HEIDELBERGER DRUCKMASCHINEN AG Patent applications |
Patent application number | Title | Published |
20140323602 | DIRECT PRINTING METHOD WITH A BASE LAYER - A method and a device for direct printing onto plastic containers, where an intermediate layer is in a first step using a first device applied onto the container to be printed and the container is in a second step using a second device printed in certain areas, and the intermediate layer enters into a bond with the container and the print layer that is insoluble in aqueous solutions having a pH value between 3 and 10, and is very soluble in aqueous solutions having a pH value in a range less than 3 and/or greater than 10; and a recycling method for a plastic container having an intermediate layer applied. | 10-30-2014 |
20140320561 | METHOD FOR CREATING A PRINTED IMAGE COMPOSED OF SECTIONS - A method for creating a printed image with sections on an object using at least two inkjet print heads, includes forming the image of first and second image sections, in a y direction at a fixed angle different than 0° and 180° relative to an object conveying direction, printing print dots of the first and second sections using first and second heads having first and second inkjet nozzles with the sections partially overlapping in a region and potentially forming a light or dark line, defining first and second complementary nozzle fields of the first and second heads to be active for each column of dots in the y direction, and placing a joint between the fields in the overlap region in a light or dark area of the column for each column of dots, avoiding potentially disruptive light or dark lines at the joint and keeping the image without defect. | 10-30-2014 |
20140313547 | DEVICE HAVING AN INK ZONE OPERATING PANEL WITH A TOUCH SCREEN FOR OPERATING PRINTING SUBSTRATE PROCESSING MACHINES - A device for operating printing substrate processing machines includes a control panel having a deposition surface for receiving printing substrates and an operating element embodied as a touch screen for controlling the printing substrate processing machine by using a control computer. The touch screen is disposed at a front edge of the control panel in front of the deposition surface for receiving the printing substrate. The touch screen extends at least across the entire width of the deposition surface for receiving the printing substrate. | 10-23-2014 |
20140299448 | CYLINDER FOR CONVEYING PRINTED SHEETS ALONG A UV OR ELECTRON BEAM DRIER AND METHOD FOR CONVEYING PRINTED SHEETS - A cylinder for conveying printed sheets along a UV or electron beam drier has inert-gas openings to which an inert gas is supplied at least temporarily during operation. A method for conveying printed sheets is also provided. | 10-09-2014 |
20140283696 | FOIL TRANSFER DEVICE - A foil transfer device includes a transport cylinder for transporting a printed sheet, a pressure cylinder for pressing a web of transfer foil against the transported printed sheet, and a support belt for supporting the web of transfer foil. The support belt passes through a transfer nip jointly formed by the transport cylinder and the pressure cylinder. | 09-25-2014 |
20140251764 | MACHINE HAVING A PNEUMATIC DRUM FOR PROCESSING SHEETS OF DIFFERENT FORMATS - A machine for processing sheets of different formats includes a pneumatic drum having an outer sleeve with pneumatic nozzle channels and an inner sleeve with a covering segment for covering the nozzle channels in a format-dependent way. A motor is provided to rotate the inner sleeve relative to the outer sleeve while the machine is running to carry out a flying format change of the pneumatic drum. | 09-11-2014 |
20140247300 | METHOD FOR PRODUCING A PRINTING IMAGE MADE UP OF SECTIONS ON A MATERIAL TO BE PRINTED USING TWO INKJET PRINTING HEADS - A method produces a printing image formed of sections on a material using two inkjet printing heads. The printing image has first and second printing image sections meeting at a y coordinate Y1. The method includes choosing a data stripe extending in the x direction having a width about the location Y1, and examining the data in the selected stripe for a data field of the extent dx in the x direction and dy in the y direction, in which edge detection is possible. The data field is selected and the x coordinate x1 and the y coordinate y1 of the data field are captured. The printing image is then produced. An image of a measurement field correlated to the data field is recorded. The image is recorded, and edge detection is carried out. The image is corrected when an edge is detected. | 09-04-2014 |
20140234067 | DEVICE FOR DELIVERING PRINT SHOP PRODUCTS SUPPLIED IN A PRODUCT STREAM ON TWO SEPARATE STACKS - A device for delivering print shop products supplied in a product stream in two separate stacks contains a transport belt on which the print shop products are deposited, a first deflection roller, a second deflection roller arranged in an horizontal plane with the first deflection roller, a third deflection roller arranged below the second deflection roller, and a stationary fourth deflection roller arranged below the third deflection roller and guiding the transport belt. An actuator jointly moves the second and third deflection rollers in parallel with a horizontal plane from a first delivery position, in which the print shop products are transported to a first stop, into a second delivery position, in which the print shop products are transported to a further stop. First and second first adjustment devices change a distance between the bottom of the respective first and second product receiving spaces and the horizontal plane. | 08-21-2014 |
20140208966 | ROTARY EMBOSSING DEVICE WITH MOUNTING SYSTEM AND ANGULAR ADJUSTMENT - A rotary embossing device, in particular for making Braille embossments, includes a drive shaft and at least one embossing tool disposed thereon. The embossing tool includes a roller body, a mounting system and a tool sleeve. The tool sleeve is mounted to the roller body by the mounting system. The mounting system includes at least one mounting ring disposed between the roller body and the tool sleeve. The at least one mounting ring is advantageously engaged with an adjustment device for rotating the at least one mounting ring to adjust the angular position of the tool sleeve. The mounting ring includes at least one elastomeric ring and the mounting system further includes an axially displaceable mounting cover for compressing the at least one elastomeric ring. Tool sleeves can therefore be easily and quickly mounted and adjusted. | 07-31-2014 |
20140204135 | METHOD FOR CREATING A PRINTED IMAGE ON A ROTATING, THREE-DIMENSIONAL BODY - A method for creating a printed image on a rotating, three-dimensional body or bottle eccentrically on a turntable, includes providing an inkjet printing unit having inkjet nozzles along a straight line for printing at a clock rate, rotating the body about a rotation axis parallel to the line using a motor, prescribing a fundamental frequency f | 07-24-2014 |
20140198345 | METHOD FOR CONTROLLING THE SPEED OF PRINTING - A method for controlling printing speed of print jobs having different printing images on printing material, includes calculating printing data from a first static component, calculating and combining printing data from first variable components with printing data from the first static component forming first printing data and forwarding the first printing data to a printing unit, counting a current value with a counter, calculating printing data from a second static component, printing first printing images with the printing unit using first printing data and controlling printing speed of the printing unit to conclude the calculation before the counter reaches a value, calculating and combining printing data from the second variable components with printing data from the second static component forming second printing data and forwarding second printing data to the printing unit, and printing the second printing images with the printing unit using second printing data. | 07-17-2014 |
20140195038 | DIE-CUTTING MACHINE AND METHOD FOR ADJUSTING A PRESSING FORCE IN A DIE-CUTTING MACHINE - A method for adjusting a pressing force of a flat-bed die-cutting and/or stamping/embossing machine having at least one die-cutting and/or embossing/stamping tool for processing a flat printing substrate, includes supplying tool data describing an individual structure of a die-cutting and/or stamping/embossing tool of a plurality of tool parts, reading specific force data out of a database, the specific force data assigning a specific pressing force to a respective tool part, calculating a target pressing force at least from the tool data and the specific force data adjusting the pressing force of the flat-bed die-cutting and/or stamping/embossing machine to the target pressing force. The adjustment of the pressing force is advantageously simplified to a considerable extent and reduces the error-proneness and the time required for setting up the flat-bed die-cutting and/or stamping/embossing machine. A machine for implementing the method is also provided. | 07-10-2014 |
20140174217 | APPARATUS FOR FRONT/TOP LAY VERTICAL ADJUSTMENT AND SHEET-FED ROTARY PRINTING PRESS HAVING THE APPARATUS - An apparatus for the vertical adjustment of combined front/top lays in a sheet processing machine includes a front/top lay carrier shaft carrying the front/top lays jointly in such a way that it can be pivoted with respect to a front/top lay drive shaft, or thrust joints disposed in carriers or coupling links for the front/top lays in such a way that they effect a lengthening of the carriers or coupling links in order to adjust the front/top lays. A sheet-fed rotary printing press having the apparatus, is also provided. | 06-26-2014 |
20140161383 | BEARING FOR A SHAFT OF A PRINTING TECHNOLOGY MACHINE - A bearing for a shaft of a printing technology machine includes a bearing housing composed of an upper part and a lower part. The bearing housing has a bore for receiving a rolling-contact bearing for the shaft. The upper part and the lower part are separated by an interstice disposed in the region of the bore. The rolling-contact bearing is an axial bearing including at least one rolling body cage and at least one race washer having an annular shape. The race washer is clamped between the upper part and the lower part, which both exert a radial pressure on an outer circumferential surface of the race washer. | 06-12-2014 |
20140146360 | GESTURE CONTROL FOR PRINTING PRESSES - A device controls at least one of a machine, a color measurement device or an inspection system of the graphic arts industry. The device contains a control console that has at least one screen for displaying at least one of machine information, color information or image information. The control console includes a plurality of sensors for detecting gestures of an operator who operates the machine, the color measurement device or the inspection system via the control console. | 05-29-2014 |
20140123865 | METHOD FOR COATING SHEETS WITH A FILM IN A PRINTING PRESS - A method for coating sheets with a film in a printing press includes, in a first step, creating the film in a liquid state on a first cylinder, in a second step, pressing a web of foil onto the film, thus forming a surface of the film, and simultaneously curing the film by irradiation and, in a third step, using the first cylinder to roll the film in a cured state onto a sheet that is transported by a second cylinder during the process. | 05-08-2014 |
20140109782 | METHOD AND DEVICE FOR PRODUCING AND TRANSFERRING DIFFRACTIVE MICROSTRUCTURES TO A PRINTING MATERIAL AND PRINTING PRESS HAVING THE DEVICE - A method and a device for producing and transferring diffractive microstructures to a printing material include applying a fluid to an embossing cylinder and there, during the rotation of the embossing cylinder, solidifying the fluid to such an extent that the fluid is transferred to a printing material in the manner of a film with a solidified microstructure. The embossing cylinder has a cover which is preferably constructed to be either soft as a “flexoshim” or hard as a “nickel shim.” A web-fed or sheet-fed rotary printing press having the device is also provided. | 04-24-2014 |
20140102249 | GUARD FOR A MACHINE FOR PROCESSING SHEETS, E.G. PUNCH OR PRINTING MACHINE, IN PARTICULAR IN THE REGION OF THE EXTENSION ARM - On a machine for processing sheets it is provided, in particular in a region of an extension arm, to completely close a rear opening on the end side by at least one upper and one lower cover. Lateral openings are also closable by movable guards, which at least partially are formed from a transparent material. | 04-17-2014 |
20140079874 | METHOD AND DEVICE FOR PRINTING FUNCTIONAL LAYERS FOR ELECTRONIC COMPONENTS - A method for printing fluid layers for producing functional layers for electronic components in a rotary printing machine. The drying time t | 03-20-2014 |
20140069288 | METHOD FOR REGISTER ADJUSTMENT DURING SET-UP PROCESSES IN PRINTING PRESSES AND PRINTING PRESS CARRYING OUT THE METHOD - A method for setting up printing presses includes providing cylinders, a drive for at least one cylinder, a register adjustment device for at least one cylinder and at least one control unit. During set-up operations on the printing press, the control unit actuates the register adjustment device while the printing press is being accelerated or decelerated or while washing operations in the printing press are being carried out and while a production run is switched off and cylinders are rotating. A printing press carrying out the method is also provided. | 03-13-2014 |
20140069286 | METHOD FOR SETTING UP AND/OR OPERATING A WEB-FED PRINTING PRESS AND WEB-FED PRINTING PRESS FOR CARRYING OUT THE METHOD - A method for setting up and/or operating a web-fed printing press includes winding a material web onto a roller, printing a portion of the material web, then unwinding and removing an unprinted part of the material web located before from the roller, and then fixing a cut start of the printed material web to the take-up roller. During the method, the material web is first conveyed backward for the unprinted part to be cut off, then a drive of the material web is switched to a holding mode, in which the material web stands still while maintaining web tension, the material web is drawn from a web start in direction of the take-up roller with little tensile force and the web start is fixed to the take-up roller. A web-fed printing press for carrying out the method is also provided. | 03-13-2014 |
20140063096 | METHOD AND DEVICE FOR IMAGING AND/OR VARNISHING THE SURFACES OF OBJECTS - A method and a device for imaging and/or varnishing the surfaces of objects or vehicles, etc. includes adapting a time lag between an application of fluid and further treatment thereof, such as drying ink or varnish, to a spreading behavior of the fluid during the application thereof. The fluid may be applied to the surface of the object in sections, firstly drying the fluid in individual sections before applying it to the next section. | 03-06-2014 |
20140061976 | METHOD AND APPARATUS FOR PRODUCING EMBOSSED STRUCTURES IN RADIATION-CURING MATERIALS - For the production of embossed microstructures in radiation-curing materials, use is made of a micro embossing form fixed to a reflective or scattering cylinder surface. Via a press nip, the micro embossing form comes into contact with the substrate guided over a cylinder or a deflection roller. The radiation-curing material is acted on in one or both pockets, before or after the press nip, with radiation which penetrates into the press nip by reflection or scattering. | 03-06-2014 |
20140029054 | MACHINE-STATE-BASED DISPLAY OF DOCUMENTATION - A method displays documentation about a machine on a preferably portable display device. The method is distinguished by the fact that the display device communicates with the machine via a data link. The portable display device communicates with the machine via a data link and the documentation contains partial items of documentation. The states of the machine are registered by a computer of the machine, and that the parts of the documentation matching the registered machine states are selected automatically and displayed on the display device. | 01-30-2014 |
20140026772 | SHEET GUIDING DEVICE AND SHEET BRAKE, DIECUTTER AND PRINTING PRESS HAVING THE DEVICE - A device for guiding sheets in a sheet-fed rotary printing press or diecutter includes a sheet-guiding plate with openings and a cover plate disposed parallel thereto and being displaceable by an applied operating pressure. A flexible intermediate layer disposed between the sheet-guiding plate and the cover plate has passages with a cross section which is variable by the operating pressure. A sheet brake, a diecutter and a printing press having the sheet guiding device are also provided. | 01-30-2014 |
20140022566 | METHOD FOR GENERATING DIGITAL IMAGING DATA, AND RASTER IMAGE PROCESSOR - A method for generating digital imaging data for an imaging unit, in which digital imaging data are defined from a signature of input image data, in that a section of the signature corresponding to the imaging format of the imaging unit is processed ( | 01-23-2014 |
20130312629 | OFFSET PRINTING METHOD - An offset printing method includes creating halftone dots corresponding to a printed image and formed of printing ink, on a surface of a transfer cylinder and transferring the halftone dots to a printing substrate while the transfer cylinder rotates about its longitudinal axis. A halftone value in a printed image on the printing substrate is adjusted to a desired value by modifying a halftone dot size. The offset printing method improves the quality of the printed image by increasing the halftone dot size by a desired amount by providing a relative offset between a device that creates the halftone dots and the surface of the transfer cylinder. | 11-28-2013 |
20130305939 | PRINTING UNIT HAVING A DISTRIBUTOR ROLLER WITH A SEPARATE DRIVE MOTOR AND PRINTING PRESS HAVING THE PRINTING UNIT - A printing unit for a printing press includes a plurality of distributor rollers for carrying out an axial movement. At least one of the distributor rollers is associated with a separate drive motor exclusively for driving the axial movement and is adjustable independently of the movements of the other distributor rollers by using a control device. | 11-21-2013 |
20130269556 | DOCTOR-TYPE INK FOUNTAIN HAVING A REAR WALL IN A PRINTING PRESS AND PRINTING PRESS HAVING A DOCTOR-TYPE INK FOUNTAIN - A doctor-type ink fountain includes a rear wall and a row of flow profiles provided along the rear wall. The flow profiles are obliquely aligned at an acute angle relative to an axis of rotation of a screen roller interacting with the doctor-type ink fountain. A printing press having the doctor-type ink fountain is also provided. | 10-17-2013 |
20130262929 | METHOD FOR REMOTE MAINTENANCE OF A DEVICE - A method for the remote maintenance of devices that include a computer by way of a remote maintenance computer. At least one protocol is used to exchange data between the local computer and the remote maintenance computer. The protocol adaptation level is provided which, prior to a data transfer process, evaluates the protocol for exchanging data between the computer and the remote maintenance computer in terms of the compatibility of the protocol with the upcoming data transfer process. If necessary, the protocol is adapted. | 10-03-2013 |
20130257984 | SYSTEM FOR PRINTING ON AN OBJECT - A system for printing an image, preferably a multicolor halftone image, onto at least one non-planar area of a surface of an object, for example a section of a body of a vehicle, includes an inkjet print head having nozzles, a robot, preferably an articulated robot, creating a primary movement, the primary movement including at least two printing paths of the inkjet print head being lateral to each other, and a device creating a secondary movement, the secondary movement being substantially perpendicular to the primary movement and causing the printing paths to laterally adjoin each other. As a result, undesired streaks between the printing paths may advantageously be reduced or prevented. | 10-03-2013 |
20130255573 | DEVICE FOR ADJUSTING COMPONENTS OF FOLDING-BOX GLUING MACHINES FOR SAFE OPERATION - A device for adjusting components of a printing material processing machine, in particular a folding-box gluing machine, includes at least one group of processing stations which have an associated operating element and a remote control as well as a safety-path computer and an operating-path computer. A first step for initiating an adjustment process of the components is carried out by a common signal transmitter both when operating a switch on the machine and when operating the remote control. | 10-03-2013 |
20130247735 | CUTTING DEVICE - A device for simultaneous three-sided trimming of products in a plurality of cutting stations includes a common upper knife carrier operable in a vertical motion, blades to be attached to the upper knife carrier for at least front edge trimming and top and bottom trimming of the products and a first drive for driving the upper knife carrier. A conveyor system has top-related and bottom-related pairs of conveyor belts for conveying the products through the cutting stations of the device and a second drive driving the conveyor system. The first and second drives are self-contained, mutually independent drives connected to one another by control units. The top-related and bottom-related pairs of conveyor belts of the conveyor system are each driven by self-contained, mutually independent, position-controlled drives. | 09-26-2013 |
20130241137 | DEVICE FOR CONTROLLING A PNEUMATIC CONSUMER IN A SHEET-PROCESSING MACHINE, IN PARTICULAR A ROTARY PRINTING PRESS OR DIECUTTER, AND ROTARY PRINTING PRESS OR DIECUTTER HAVING THE DEVICE - A device for controlling a pneumatic consumer in a sheet-processing machine, for example a printing press or a diecutter, includes a rotary valve supplying a fluid, such as suction air, to the pneumatic consumer to be driven in a sinusoidal manner in accordance with a cycle of the sheet-processing machine. The rotary valve is drivable by an electric motor for increased flexibility. A rotary printing press or diecutter having the device is also provided. | 09-19-2013 |
20130199391 | METHOD FOR PRODUCING A CONTROL AREA FOR OFFSET PRINTING, CONTROL AREA AND PRINTING FORM HAVING A CONTROL AREA - A method for producing a control area to prevent scumming of a printing form that can be used for offset printing with dampening solutions, includes producing the control area separately from the printing form and joining the control area to the printing form thereafter. A cut-out is introduced into the printing form and the control area is inserted into the cut-out. A control area and a printing form having a control area are also provided. | 08-08-2013 |
20130192485 | METHOD AND APPARATUS FOR CHANGING PRINTING PLATES - A method and an apparatus for changing a printing plate on a printing press, include feeding the printing plate to a withdrawal chute of a plate changing apparatus by rotating the plate cylinder backward. Drivable transport rollers grip the printing plate and pull the latter out of a previously opened clamping device for the leading edge of the printing plate during the plate cylinder rotation, without the plate cylinder having to be stopped. | 08-01-2013 |
20130181395 | METHOD FOR FEEDING SHEETS TO A PRINTING TECHNOLOGY MACHINE - A method for feeding sheets to a printing technology machine improves reliability of feeding sheets and reduces an acceleration time from a base speed to a production speed. The sheets are conveyed onto a feed table in shingled formation by a first drive and are individually and successively conveyed from the feed table to a first processing station of the machine by a second drive. The sheets are conveyed onto the feed table before an acceleration of the second drive to production speed is completed and the first drive is accelerated to the production speed when the processing station has reached the production speed. | 07-18-2013 |
20130154177 | METHOD FOR CONTROLLING A FEEDER OF A GATHERING-STITCHING MACHINE - A method for controlling a feeder of a gathering-stitching machine reduces the operating effort when setting the feeder, increases reliability when laying folded sheets on a transport device and improves quality during collating and stitching. Opening and closing times of grippers are regulated under program control, continuously and as a function of format when controlling the feeder of the gathering-stitching machine. Data relating to the dimensions and to the number of pages of the folded sheets is thus entered into a control device, from which data actuating signals for actuating elements of the grippers are generated. | 06-20-2013 |
20130147109 | NON-CIRCULAR SUCTION WHEEL AND SHEET FEEDER - A suction wheel attracts sheets by suction and transports them. The suction wheel contains a suction wheel body rotatable about an axis of rotation and provided with a plurality of suction openings formed in the circumferential surface of the suction wheel body. Accordingly, the suction wheel body is of a non-circular shape. In particular, the suction wheel includes an attraction area for attracting a sheet, a retaining area for retaining and conveying a sheet, and a release area for releasing a sheet. A sheet feeder ideally incorporates such a suction wheel. | 06-13-2013 |
20130147108 | SHEET FEEDER WITH TWO SUCTION WHEELS - A sheet feeder for separating sheets from a stack and for feeding the sheets to a downstream sheet processing machine includes a first suction wheel and a second suction wheel. The first suction wheel is disposed above the stack and the second suction wheel is disposed downstream of the stack and below a sheet travel plane. The first suction wheel separates a respective sheet from the stack and the second suction wheel accelerates the sheet. | 06-13-2013 |
20130141022 | SIMPLIFIED ELECTRIC BRAKE DEVICE - An electric brake device is provided for electronically controlled synchronous motors which are supplied with voltage by way of a converter. The synchronous motor contains a winding center point and that the winding center point is connected by way of an electric resistor and a switch to a ground point of the converter and that the phases of the converter that are connected to the ground point contain in each case a free-wheeling diode. | 06-06-2013 |
20130134668 | METHOD AND DEVICE FOR FORMING AN AUXILIARY STACK - A method for forming an auxiliary stack when a sheet stack is changed in a sheet delivery of a sheet-processing machine includes providing an auxiliary stack support for supporting the auxiliary stack during a non-stop stack change and multiple stop and separator elements disposed outside a stacking area in front of edges of the sheet stack to form a gap in a stream of sheets conveyed by a conveying system and released to fall onto the sheet stack. The sheet stack is lowered to form a gap for the auxiliary stack support, the stop elements for the front edge and the rear edge of the sheet stack are moved into a disengaged stand-by position before the main stack is lowered. For this purpose, the stop elements are equipped with remote-controllable actuating devices that are connected to a control unit. A device for forming an auxiliary stack is also provided. | 05-30-2013 |
20130121718 | METHOD FOR DELIVERING ELECTRIC POWER TO POWER CONSUMERS OF A PRINTING TECHNOLOGY MACHINE - A method for delivering electric power to power consumers of a printing technology machine, which permits high availability of the machine with low idling losses, includes taking start-up time periods of the power consumers into account when switching over the power delivery to power consumers of a printing machine. | 05-16-2013 |
20130120775 | COLOR MONITORING METHOD FOR PRINTING PRESSES - A method of signaling or indicating a coloration condition upon a change of an operating condition in a printing press having a control unit, includes the steps of specifying a target ink density for a print job, storing the specified target ink density in the control unit, calculating an actual ink density using the control unit based on an actual operating condition of the printing press, comparing the actual ink density to the target ink density in the control unit, and emitting a first signal using the control unit when the actual ink density is within a range of tolerance about the target ink density stored in the control unit. | 05-16-2013 |
20130106019 | METHOD FOR EMBOSSING PRODUCTS WITH A ROTARY EMBOSSING DEVICE AND FOLDER GLUER HAVING A ROTARY EMBOSSING DEVICE | 05-02-2013 |
20130057892 | STORAGE MEDIUM AND METHOD FOR PRODUCING A PRINTED PRODUCT - In a method for creating a printed product, JDF files are converted into a DOM tree to represent the files in a representation in a main memory of a computer. The conversion, as well as individual processing steps, is time-consuming. To accelerate the encoding and processing steps, a method is performed wherein a file in a first data format is stored in a memory, the file contains information for creating the printed product. The file is decoded into a representation in the main memory. The first data format includes two memory areas, a first memory area contains attributes for method steps to be implemented and/or for materials of the printing process and/or of the printed product. The representation is included in the two memory areas, and the data of a first memory area of the representation are essentially identical with the data of the first memory area of the file. | 03-07-2013 |
20130036926 | PRINTING FORM - A printing form includes a bonding layer, an intermediate layer and a top layer. The top layer includes silicon nitride. | 02-14-2013 |
20130036198 | METHOD FOR IMPROVING THE OPERATION OF MACHINES OR APPLIANCES - A method for improving the operation of machines or appliances having an associated machine computer and being connected to at least one further computer over a communication network, includes transmitting operating data and/or order data from the machine computer to the further computer through the communication network and storing the operating data and/or order data in the further computer. The further computer compares the performance of at least one machine with the performance of further machines, and the further computer calculates improved settings for at least one of the machines on the basis of the performance comparison and provides the settings for the purpose of setting the machine. | 02-07-2013 |
20130032052 | METHOD OF CONTROLLING INKING UNITS IN CASE OF PRINTING SPEED CHANGES - A method controls a printing speed and a temperature of a printing press to attain a predetermined actuating variable. The printing press includes a control computer. The method is characterized by calculating a target temperature to attain the predetermined actuating variable at a desired printing speed and initiating the adjustment operations to attain the target temperature by the control computer. The actual printing speed is changed via a first acceleration within a tolerance limit with respect to fluctuations about the predetermined actuating variable. The first acceleration process is stopped if the desired printing speed is attained in the process. The first acceleration is changed if the tolerance limits are reached and the desired printing speed has not been attained yet. The printing speed is ran at a modified second acceleration along the tolerance limits until the desired printing speed is attained. | 02-07-2013 |
20130021420 | METHOD FOR DRYING PRINTED MATERIAL - A method for drying printed material operates with the aid of a one-dimensional or two-dimensional array of radiation sources which can be driven individually or in groups. At the same time, the high-resolution image data describing the printing image or a content of printing forms for individual color separations is transformed into image data of lower resolution. Position data which describes the position of the printed image in the transport direction is also obtained from a device for transporting the printing material. Control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array are generated from the image data of lower resolution and the position data, so that the printing material is swept over in the transport direction with time-modulated radiation points which in each case include a plurality of image points of the higher-resolution printed image. | 01-24-2013 |
20130014659 | METHOD FOR CONTROLLING THE AMOUNT OF DAMPENING SOLUTION IN A PRINTING UNIT OF A PRINTING PRESSAANM ELTER; PETERAACI MUHLHAUSENAACO DEAAGP ELTER; PETER MUHLHAUSEN DEAANM PFEIFFER; NIKOLAUSAACI HEIDELBERGAACO DEAAGP PFEIFFER; NIKOLAUS HEIDELBERG DE - A method for controlling an amount of dampening solution in a printing unit of a printing press using a computer and a measuring device, includes setting an amount of dampening solution in the printing unit based on data of a current print job, reducing the amount of dampening solution towards a smearing threshold with the computer, recording color measurement values with the measuring device in at least one full tone area with low area coverage and in at least one halftone area with high area coverage on a printing material of the current print job, and stopping the reduction of the amount of dampening solution with the computer when a dot gain of the halftone in areas with high area coverage increases significantly and a density of the full tone in areas with low area coverage increases significantly. | 01-17-2013 |
20130008327 | METHOD FOR OPERATING AN ANILOX PRINTING UNIT AND PRINTING PRESS WITH AN ANILOX PRINTING UNIT - A printing press includes an anilox printing unit having a screen roller and a feed blade as components, in which ink accumulates on an outer side of the feed blade during printing. A method for operating the anilox printing unit includes removing the accumulated ink from the feed blade by moving one of the two components relative to the other of the two components in a first direction in a first step, causing the accumulated ink to be flattened by the feed blade and to be spread onto the screen roller. The component that was moved in the first direction in the first step may be moved in an opposite, second direction in a second step, causing the accumulated ink to be scraped off the screen roller by the feed blade. | 01-10-2013 |
20120316664 | METHOD FOR CREATING A FOLD PREPARATION PATTERN, COMPUTER FOR IMPLEMENTING THE METHOD AND SYSTEM HAVING THE COMPUTER - A method for creating a fold preparation pattern includes supplying job-specific signature characteristics to a computer and determining job-specific cutting requirements by using general cutting requirements assigned to respective general signature characteristics in the computer and using the job-specific signature characteristics. The computer accesses a database that contains cutting, trimming, and clipping patterns and compiles job-specific fold preparation patterns in accordance with the job-specific cutting requirements. A computer for implementing the method and a system having the computer are also provided. | 12-13-2012 |
20120312178 | METHOD AND APPARATUS FOR CONDITIONING A DAMPENING SOLUTION FOR HARDNESS CONTROL - A method and an apparatus for conditioning a dampening solution of a wet offset printing machine, include keeping constant or changing the hardness of the dampening solution added to a container during processing of a print job. The hardness of the dampening solution is determined by measuring the conductivity of the dampening solution and is converted into a hardness value according to a determined formula-based or table-based relationship between the hardness and the conductivity of the dampening solution. The change of the hardness of the dampening solution is compensated for during printing by replacing used or withdrawn dampening solution with dampening solution that has a lower or higher hardness, wherein the amount and/or the degree of hardness of the supplied dampening solution having lower or higher hardness is determined from the conductivity measurements and the formula-based or table-based relationship. | 12-13-2012 |
20120304165 | METHOD FOR INSTALLING AND SIMULTANEOUSLY UPDATING OPERATING SYSTEM SOFTWARE - A method for installing operating system software on a machine computer for controlling machines includes:
| 11-29-2012 |
20120297999 | PRINTING METHOD AND OFFSET PRINTING UNIT - A printing method in a printing press includes zonally metering a printing ink at a first viscosity with a metering device and transferring the printing ink at a second viscosity with a printing form cylinder, in which the second viscosity is greater than the first viscosity. An offset printing unit for implementing the method is also provided. | 11-29-2012 |
20120297995 | DEVICE FOR CONVEYING A SHEET THROUGH A PRINTING PRESS - A gripper control gearing has a reduced complexity for providing adjustments. Stops are provided on a reversing drum for a slide that supports cam rollers. Pinions with a helical toothing are arranged on a gripper shaft and on a gripper tube. Such a simplified arrangement allows for easier adjustments of the gripper system. | 11-29-2012 |
20120286808 | SYSTEM FOR LOCATING AND IDENTIFYING AT LEAST TWO SEPARATE ITEMS - A system for locating and identifying at least two separate items, for example packaging, includes a capacitive first sensor detecting a first measuring region at a first position of a sensor device, for example a sensor film on a shelf bottom for packaging, a capacitive second sensor detecting a second measuring region at a second position, differing from the first position, of the sensor device, an electrically conductive first mark of a first item in the measuring region of one sensor, an electrically conductive second mark of a second item in the measuring region of the other sensor, and an evaluation device evaluating signals from the sensors, the signals caused or changed by electrical conductivity of the marks. Items can be capacitively detected and information obtained can be used to improve warehousing. The sensors and the marks can be produced quickly and cost-effectively by printing processes or film transfer. | 11-15-2012 |
20120279410 | METHOD FOR DETERMINING SETTING ERRORS IN A SHEET-FED PRINTING PRESS - A method for determining setting errors in a sheet-fed printing press includes recording a geometry of a printed sheet running through the printing press with an imaging system and comparing the recorded geometry with intended geometries for evaluation. An imaging system oriented substantially perpendicular to a sheet surface at least partly registers visible contours of sheet edges and conclusions are drawn, from measured deviations of the sheet edges in relation to intended contours, as to at least one of the following setting errors of the printing press:
| 11-08-2012 |
20120279408 | METHOD FOR CLEANING INKING UNITS IN OFFSET PRINTING PRESSES AND OFFSET PRINTING PRESS - An offset printing press and a method for cleaning inking units in offset printing presses include emptying and subsequently refilling ink fountains of individual inking units of the printing units with ink sequentially one after the other. Immediately after the emptying of a first ink fountain, a washing operation for an associated inking unit is started even before remaining ink fountains have been emptied. After a respective further one of the remaining ink fountains has been emptied, the washing operation for a respective further inking unit is started and refilling of the first ink fountain is started while washing operations for one or more of the further inking units are still running. | 11-08-2012 |
20120272851 | METHOD FOR OPERATING A PRINTING PRESS - A method of operating a sheet-fed printing press includes storing various print jobs and/or associated setting values and process steps in a memory device to set up the printing press upon a job change. A computer implements or suggests settings or process steps of the printing press for a print job based on the job data of a print job and/or as a result of inputs by the operator. Before or immediately after a print job is completed, the computer generates a query requesting inputs that determine if the same print job requires further passes and if so, which passes are required and, based on the information input therein, implements only those settings on the printing press and/or initiates or suggests only those process steps that are necessary for the subsequent pass of the sheets that have already been printed. | 11-01-2012 |
20120272847 | PRINTING METHOD AND PERFECTING PRINTING PRESS FOR RECTO AND VERSO PRINTING ON SHEETS - A printing method for printing on both sides of sheets in a perfecting printing press includes first, second and third steps. In the first step, the sheet is transported on a first cylinder, with the first cylinder having its temperature controlled to a first temperature, and the sheet is printed on a first side. In a second step, the sheet is turned by a turning device. In a third step, the sheet is transported on a second cylinder, with the second cylinder having its temperature controlled to a second temperature, which is different from the first temperature, and the sheet is printed on a second side. A perfecting printing press for recto and verso printing on sheets for implementing the printing method is also provided. | 11-01-2012 |
20120250095 | METHOD AND PRINTING SYSTEM FOR GRAY BALANCE CORRECTION OF A PRINTING PROCESS, COMPUTER PROGRAM PRODUCT AND COMPUTER PROGRAM STORAGE DEVICE - A method and a printing system for gray balance correction of a printing process include determining first color values at/on a gray axis of a color space of a reference printing process. These first color values determine tonal values describing a corrected gray balance of the target printing process. To avoid wastage and a further proof for gray balance calibration of the printing process, second color values of the printing process, describing the corrected gray balance, are derived from the first color values. The tonal values of the target printing process corresponding to the second color values are determined from first characterization data and the second color values of the printing process. A correction function created from these tonal values describes the corrected gray balance. Determining corrected characterization data is also possible. A printing form is produced and a printing material is imaged by using the corrected gray balance. | 10-04-2012 |
20120249679 | APPARATUS FOR PRINTING SURFACES HAVING A PLURALITY OF MOVABLE PRINT HEADS AND SYSTEM HAVING THE APPARATUS - An apparatus for printing surfaces, for example of three-dimensionally shaped vehicle body parts, includes movable print heads having actuable, preferably inkjet, nozzles, and at least one printing position and one parking position into which the print heads can be moved or rotated. At least one first and one second print head have mutually different nozzle configurations, sizes or shapes. In a first mode, the first print head is in a printing position and the second print head is in a parking position, and in a second mode, the first print head is in a parking position and the second print head is in a printing position. The print heads can be on a rotation apparatus which can be on a robot arm. Surfaces of any shape, having curvatures and/or undercuts, can be printed in one or multiple colors (in image terms). A system having the apparatus is also provided. | 10-04-2012 |
20120240801 | PRINTING PROCESS AND SYSTEM FOR ASCERTAINING REGISTER DEFECTS - Printing material printing processes generate a raster bit map manipulated by matrix manipulation to compensate for geometrical distortions of the printed image on the printing material. First of all, the same correction functions are used for following raster bit maps, if the intention is to dispense with the imaging of test printing formes. Measuring marks are also printed, while printing is underway, at fixed positions on a sheet to establish any present register defects. Different repeat configurations for follow-up printing means that it is no longer possible for the measuring marks to be provided at the same positions. The ascertained deviations are used to interpolate adjusted deviations at the first positions for the first measuring marks to make it possible to use the second measuring marks at the shifted positions. Further technical measures are then implemented on this basis. A printing system for printing a printing material is also provided. | 09-27-2012 |
20120216695 | METHOD FOR CONTROLLING INKING IN A PRINTING PRESS WITH MACHINE-DEPENDENT COMPENSATION IN INKING AND DAMPENING UNITS - A method for controlling the inking in a printing press includes compensation of an ink requirement in an inking unit and/or compensation of a dampening solution requirement in a dampening unit of the printing press in the event of a change in the printing speed. The printing speed profile or machine state prevailing before the instant of the change in the printing speed is taken into consideration in the compensation of the metering of ink or dampening solution. | 08-30-2012 |
20120216692 | METHOD FOR COMPENSATING DEFLECTION OF AN INK FOUNTAIN IN PRINTING PRESSES - A method for adjusting ink zone openings in an ink fountain of a printing press uses a computer. The computer calculates a deflection of the ink fountain on the basis of an ink fountain model which contains forces that act on the ink fountain, and takes the calculated deflection of the ink fountain into consideration during the adjustment of the ink zone openings. | 08-30-2012 |
20120202671 | FOLDING MACHINE HAVING A DEVICE FOR TRIMMING FOLDED EDGES AND METHOD OF FOLDING SHEETS - A folding machine for folding sheet-like elements includes at least a first buckle-folding station, a second buckle-folding station and possibly a further buckle-folding station, for respectively forming folding configurations having at least one fold. A folded edge trimming device is provided upstream of a respective folding station, for removing the at least one previously-formed fold. A method of folding using such a folding machine is also provided. It is thus possible to generate folded products with a high level of folding accuracy. | 08-09-2012 |
20120163942 | BOOK BINDING MACHINE WITH A BOOK BLOCK TRANSPORT SYSTEM AND LUBRICATION CLAMP FOR A BOOK BLOCK TRANSPORT SYSTEM IN A BOOK BINDING MACHINE - A book binding machine includes a book block transport system and a plurality of clamps for clamping stacks of leaves. The clamps are disposed at a distance from each other and are guided in guide tracks of a machine frame. The book block transport system includes a clamp, which is also referred to as a lubrication clamp, having a device for lubricating the guide track. An applicator is assigned to each track roller of the clamp, and the lubricant is transferred to the track rollers through the use of a respective applicator such as a brush. The track rollers transfer the lubricant to contact surfaces of the guide track. A lubrication clamp for a book block transport system in a book binding machine, is also provided. | 06-28-2012 |
20120152444 | METHOD AND DEVICE FOR CHANGING THE CONDITION OF A WEB OF FOIL - A device and a method for coating a printing material include a foil engaged with a printing material on an impression cylinder using guide rollers. The foil and the printing material are guided together in an engagement area and a functional layer, such as glue or varnish, is dried, i.e. activated or polymerized, through the foil in the engagement area using a drier. The guide rollers are disengaged from the impression cylinder to avoid contact between the foil and grippers of the impression cylinder. To improve a detachment behavior of the foil from the functional layer, an angle of detachment between the foil and the sheet is varied by pivoting the guide rollers about an external geometrical pivot axis or an internal geometrical pivot axis, or at least assisting the disengagement of the foil from the impression cylinder by a change of a pneumatic condition of a foil-guiding element. | 06-21-2012 |
20120152134 | PRODUCTION UNIT HAVING AN INDIVIDUAL DRIVE AND PRINTING PRESS HAVING AT LEAST ONE PRODUCTION UNIT - A production unit for a printing material processing machine includes a drive, a computer, a cylinder and an associated impression cylinder having a circumference different from that of the cylinder. Provision is made to detect an increase in drive torque on the cylinder and to calculate therefrom a differential angle of rotation varying at least over one revolution between the cylinder and the impression cylinder in the computer, to be used to actuate the drive of the cylinder. A printing press having at least one production unit is also provided. | 06-21-2012 |
20120147413 | SYSTEM AND METHOD FOR PRODUCING AND INSPECTING PRINTS HAVING STATIC AND VARIABLE CONTENTS - A system for producing and inspecting prints having static and variable contents includes a printing unit, an inspection unit, and a computation unit. The computation unit integrates print-specific information having static and variable contents in the form of print parameters and inspection parameters into a common JobTicket and routes the JobTicket i) both to the printing unit and to the inspection unit or ii) routes the JobTicket first of all to the printing unit and from the printing unit to the inspection unit, or vice versa. The print parameters are extracted from the common JobTicket and the printing unit uses the extracted print parameters to create prints. The inspection parameters are extracted from the common JobTicket and the inspection unit uses the extracted inspection parameters to inspect the prints. | 06-14-2012 |
20120146558 | REDUNDANT BRAKING SYSTEM WITH CONSTANT BRAKING TORQUE AND PRINTING PRESS HAVING THE BRAKING SYSTEM - An electric braking device for printing material processing machines includes at least one electric drive to be braked that is supplied by a power converter in motor operation and is braked by the power converter in generator operation. A control unit switches on a redundant electric braking device in the case of a failure of the power converter by using a switch. The braking device has at least two braking stages, an additional switch for actuation in at least two stages, and at least one brake resistor. In the circuit of the redundant electric braking device, a braking current is measured and the measured value is fed to a comparator for comparing the actual braking current to a desired braking current. A printing press having the braking device is also provided. | 06-14-2012 |
20120137537 | SHEET PROCESSING MACHINE, IN PARTICULAR SHEET-FED PRINTING PRESS AND METHOD OF DRYING SHEETS - A sheet processing machine, in particular a sheet-fed printing press, includes a varnishing unit and at least one combination drier for applying radiation energy and heated air to a newly varnished sheet. The at least one combination drier includes a plurality of circular or polygonal air nozzles and narrow-band high-power infrared light sources disposed between the air nozzles. The infrared light sources apply radiation at a radiation density of at least 25 kW/m | 06-07-2012 |
20120123565 | METHOD FOR OPERATING MACHINERY USING A BROWSER - A method for operating machinery uses a control unit and a display device for displaying a first user interface of a first application program and at least one second user interface of a second application program. The first user interface and the second user interface form a common display window on the display device. | 05-17-2012 |
20120118185 | SHEET-FED PERFECTING PRINTING PRESS WITHOUT SHEET REVERSAL - A sheet-fed, rotary, printing press for printing on both sides of sheets without a sheet reversing device, includes printing units having a modular construction. Each module includes at least a plate cylinder, a blanket cylinder, an impression cylinder, a transfer cylinder and at least one drive wheel. Modules for printing on the first side of the sheets and modules for printing on the second side of the sheets have an identical construction and are disposed in such a way that one is rotated through 180° relative to the other about an axis extending in a sheet processing direction. | 05-17-2012 |
20120118184 | FOIL TRANSFER DEVICE HAVING A VARIABLE GUIDE SYSTEM - A transfer device for transferring a transfer layer to a printing material includes a transfer module disposed above a basic module. A guide system provides a way of easily and safely moving the transfer module within the foil transfer device or to a further foil transfer device in the same pressroom. The guide system includes tracks that are connected to the transfer module through rollers of a guide frame. | 05-17-2012 |
20120099956 | DEVICE AND METHOD FOR TURNING STACKS OF SHEET-SHAPED MATERIAL - A device and a method for turning stacks of sheet-shaped material include a device for transporting the stacks into a pivot fork. The pivot fork is part of a turning unit and includes upper grippers, lower grippers and a stack stop. The pivot fork is open on one side to receive the stacks. The pivot fork is supported at its other end to pivot on a horizontal pivot shaft that extends in a direction transverse to a direction of introduction of the stacks and is disposed off-center relative to the pivot fork. | 04-26-2012 |
20120073464 | PRINT CONTROL STRIP FOR COLOR MEASUREMENT ON PRINTING MATERIAL, MEASURING METHOD AND METHOD OF METERING INK - A print control strip to be applied to printing material during a multicolor printing process, includes multiple measuring fields associated with one ink zone on the printing material. The measuring fields, which are associated with one ink zone, include at least two gray measuring fields. A method of measuring measuring fields in print control strips on printing material with a measuring device and a control unit connected thereto, and a method of controlling metering of ink in offset printing presses including at least one ink metering device in each printing unit and a control unit, are also provided. | 03-29-2012 |
20120072901 | METHOD FOR COMBINED UNICAST/MULTICAST SOFTWARE TRANSMISSION - A method for transmitting software from a central computer to at least two further computers, includes connecting the central computer and the at least two further computers with a communication link for data transmission. The central computer sets up a connection to the at least two further computers and requests properties of the at least two further computers. The central computer transmits to the at least two further computers, which have been identified as having multicast capability, those parts of the software which are suitable for multicast transmission. The central computer sets up a unicast connection to the at least two further computers for those parts of the software not suitable for multicast transmission. | 03-22-2012 |
20120060712 | METHOD FOR SETTING THE INKING IN PRINTING PRESSES - A method for controlling the inking in printing presses having at least one control computer and at least one printing unit with an inking unit and a dampening unit, includes carrying out settings for controlling the inking in the inking unit and/or dampening unit of the printing press through the use of the control computer. The settings are displayed on a display device and the settings that are carried out are recorded and stored periodically by the control computer. | 03-15-2012 |
20120032376 | METHOD AND APPARATUS FOR RE-IMAGING A PREVIOUSLY USED PRINTING FORM - In a method for re-imaging a printing form that has been used for printing in a prior printing process a substrate of the printing form is cleaned globally of ink or varnish and the substrate is treated abrasively globally in order to erase a preceding printing image. The substrate to be imaged with a new printing image is treated locally in image regions with a pulsed laser beam and, in the process, a nanoscopic and hydrophobic surface structure is produced locally. The substrate is treated globally with a hydrophilicity intensifier, as a result of which the substrate becomes hydrophilic locally in the previously hydrophobic image regions. An apparatus has a corresponding erasing unit and an imaging unit with a femtosecond laser. | 02-09-2012 |
20120024175 | DEVICE FOR POWDERING PRINTED SHEETS IN A PRINTING PRESS, AND PRINTING PRESS WITH A POWDERING DEVICE - A device for powdering a printed sheet in a printing press is formed with nozzle groups that are arranged in a row and that each are formed with several spray nozzles, each of which emits a powder/air mixture. A respective feed line is connected upstream of the nozzles of each nozzle group. The feed line of the spray nozzles of the respective nozzle group is preceded by a common collective line. Along a defined segment of a given length of the course of the respective collective line, a product of the radius of curvature of the segment and the fourth power of an inner diameter of the respective collective line equals 3.125×10 | 02-02-2012 |
20110277650 | FILM TRANSFER DEVICE - A film transfer device guides a transfer film at least partly around a transfer cylinder having a channel. As a result of entrainment of the transfer film by an edge region of the channel during indexing, considerable impairment to web tension occurs, requiring an indexing speed to be reduced so as not to cause damage to the film. In order to increase an indexing frequency, in one region, i.e. more precisely in an edge region of the channel of the transfer cylinder, a coating is provided having such a nature that it at least reduces an adhesion of a rear side of the transfer film to the edge region of the channel, i.e. to the transfer cylinder in this case. In this way, the film slides better off the edge region of the channel and a higher indexing speed can be achieved. | 11-17-2011 |
20110270651 | SYSTEM FOR IMPROVING PRODUCTION PROCESSES - A performance evaluation system has a computer for displaying the production performance of a machine compared with the production performance of other machines. The machines a connected via a network link to a performance comparison computer. The invention is set up such that comparison data from the performance comparison computer are displayed at least to the operator of a machine via the display of the computer for displaying the production performance. | 11-03-2011 |
20110235073 | METHOD FOR GRAY BALANCE CORRECTION OF A PRINTING PROCESS - In printing processes, even when a process calibration under predefined printing conditions is used, it is possible for deviations in the gray balance to occur. Attempts have been made to correct the deviations, for example by changing the layer thickness of the printing inks in the printing process, but that can lead to color deviations in other regions. A gray balance correction method with which wastage that regularly occurs can be reduced and an occurrence of undesired color fluctuations can be avoided, is achieved by using differences between black and chromatic gray areas in gray balance areas to replace the measured values from a first process calibration with corrected measured values and carrying out a new process calibration. | 09-29-2011 |
20110226585 | LOGISTICS SYSTEM FOR A SHEET-PROCESSING MACHINE - A logistics system for a sheet-processing machine, in particular a printing press, permits pallets and sheet stacks on transport boards to be displaced along transport paths. Storage spaces are provided for the intermediate storage of sheet stacks and a corner transfer device is provided for the transverse displacement of pallets and sheet stacks. The corner transfer device has two height-adjustable conveying devices disposed at right angles with respect to one another. The transport boards cover the transport path at ground level and the corner transfer device is configured in such a way that all of the transport boards are conveyed at a common height level, for example the height level of the machine hall floor. | 09-22-2011 |
20110226146 | METHOD FOR CHANGING PRINTING PLATES IN ROTARY PRINTING PRESSES HAVING A PLURALITY OF PRINTING UNITS, PRINTING PRESS AND CONTROLLER - A method for changing printing plates in rotary printing presses, including a plurality of printing units each having a plate cylinder and a dedicated drive for driving the plate cylinder independently of an associated blanket cylinder in a respective printing unit, includes moving the respective blanket cylinder at a somewhat higher circumferential speed than the associated plate cylinder while conveying one or more printing plates out of the printing unit, at least in one operating mode, during a plate changing operation. A printing press and a controller are also provided. | 09-22-2011 |
20110222123 | AUTOMATED PRODUCTION CONTROL METHOD - In a method for operating at least one machine with a computer, it is possible for at least one task for the production of a printed product to be stored in the computer, which task is processed on the machine. Parameters for setting the machine are stored as parameter sets in templates and relate to one or more production steps. For the purpose of job-specific adaptation, the settings in the templates must be modified. On account of settings which have not been tried and tested and not proven worthwhile, costs arise in terms of quality; in addition the settings can be made only by specialized personnel. To increase quality and to allow less qualified personnel to operate the machines, a parameter set based on rough entered data is compared with templates and that a most similar template be used to set the production step or steps. | 09-15-2011 |
20110220014 | APPARATUS FOR DUSTING PRINTED SHEETS WITH POWDER - An apparatus for dusting printed sheets with powder contains at least one powder nozzle, an actuating element which is mounted such that it can be adjusted into a position, in which the actuating element is situated in the jet path of the powder nozzle and the powder bounces off the actuating element, and an extraction device for extracting the powder which has bounced off the actuating element. An air-conducting connection exists permanently between the powder nozzle and the surroundings of the apparatus. | 09-15-2011 |
20110219969 | METHOD FOR PRODUCING A STRUCTURED SURFACE CONTACTING PRINTING MATERIAL, STRUCTURED SURFACE, MACHINE AND METHOD FOR SELF-REPAIR OF STRUCTURED SURFACES - A method for producing a structured surface making contact with printing material, preferably a cylinder cover, includes producing a structured coating having microparticles on a substrate, preferably a stainless steel plate. The microparticles are encased antiadhesively and agglomerated by adsorption of nanoparticles, and the agglomerates being produced are fixed in a sol-gel matrix. A surface produced in this way has a structured coating on a substrate and the coating has microparticles. The coating has agglomerates fixed in a sol-gel matrix and including microparticles encased antiadhesively by adsorption of nanoparticles and preferably formed of silicon carbide. The surfaces advantageously have a self-repair function since, in the case of abrasion of structural elevations, the antiadhesive casings of the microparticles are exposed and the antiadhesive property of the coating is maintained. | 09-15-2011 |
20110215512 | SHEET GUIDING APPARATUS, PRODUCTION SYSTEM FOR PRINTED PRODUCTS HAVING A SHEET GUIDING APPARATUS AND METHOD FOR PRODUCING PRINTED PRODUCTS - A sheet guiding apparatus with a sheet diverter function, a production system with a printer and a folding machine for printed products, in which such a sheet guiding apparatus is used, and a method for producing printed products with the production system, permit productivity to be raised without increasing the operating speed of the folding machine. | 09-08-2011 |
20110202148 | SERVICE SYSTEM AND SERVICE METHOD - A service system includes at least one administration computer having a display device and a user interface for administering machines having components. A respective configuration of components of delivered machines is stored in the administration computer. When a component in one of the machines in the administration computer is exchanged, a spare part that has been installed is stored in the administration computer instead of an original component. A current configuration of the components can be displayed on the display device by operating the user interface, for each of the machines stored in the administration computer. A servicing method is also provided. | 08-18-2011 |
20110199626 | METHOD AND TEST ELEMENT FOR DETERMINING CHARACTERIZATION DATA OF A PRINTING PROCESS AND APPARATUS FOR CARRYING OUT THE METHOD - A method for calculating characterization data of a printing process, is more manageable and less complicated than previously-known methods, in which determining printing tables for CMYK printing systems with special colors or for multicolor systems easily becomes unwieldy and complicated because of necessary colored areas in test elements. A test element supplies actual spectral data. By using subsets of this actual data, tonal value curves or tonal value gain curves, parameters of a model of the printing process for determining spectra of overprinted printing inks and adapted input variables, are determined in a calculating device in accordance with the model, taking into account the tonal value gain, to determine corrected tonal values or their spectra. Then only a few colored areas are needed to calculate characterization data. A test element for determining characterization data of a printing process and an apparatus for carrying out the method are also provided. | 08-18-2011 |
20110192305 | INK CONTROL METHOD FOR PRINTING PRESSES HAVING SHORT INKING UNITS - A method for closed-loop or open-loop control of ink feed in lithographic offset printing presses having at least one inking unit, a control unit and an operating element for adjusting the ink feed across a predetermined ink feed control range, includes subdividing the predetermined control range into partial ranges in the control unit. At least one adjustment parameter of the inking unit or the printing press is assigned to each partial range in the control unit. The control unit determines the appropriate partial range as a function of the ink feed selected with the operating element and adjusts the selected ink feed in the inking unit with associated adjustment parameters in the inking unit and/or in the printing press. | 08-11-2011 |
20110132214 | PRINTING UNIT - A printing unit contains a dampening unit and an inking unit which includes a screen roller with a circumference and an ink applicator roller with a circumference and a gap having an arc length or curve length, the ink applicator roller resting against the screen roller. The circumference of the screen roller and the circumference of the ink applicator roller and the arc length or curve length of the gap are dimensioned in predetermined proportions relative to each other so as to avoid ghosting. | 06-09-2011 |
20110111118 | PROCESS FOR THE SCREENED APPLICATION OF FLUIDS TO SUBSTRATES - A process for screened application of fluids to substrates includes i) providing a substrate being unscreened at least in a portion or a coating of the substrate unscreened at least in the portion, having a screened first image of a first fluid applied to the substrate in the portion, or ii) a substrate being screened at least in the portion or a coating of the substrate screened at least in the portion, having a first image of a first fluid with a different screen applied to the substrate in the portion (preferably with an offset printing form in i) and ii)). An unscreened second image of a second fluid (preferably transparent varnish) is applied to the substrate, covering the first image, in the portion (preferably with flexographic printing form). Formation of the second fluid on the substrate in the portion is substantially determined with the screen of the first image. | 05-12-2011 |
20110107931 | PRINTING PRESS WITHOUT PAPER DURING POWER FAILURE AND METHOD OF OPERATING THE PRINTING PRESS - An electrical voltage supply device for machines processing printing material includes at least one drive motor for the transport of printing material and at least one further electrical consumer. A control unit is provided which, when the supply voltage drops below a minimum acceptable supply voltage of the machine processing printing material, switches of electrical consumers which are not required for the transport of printing material and supplies the drive motor for the transport of printing material from energy stored in the moving masses of the machine processing printing material. | 05-12-2011 |
20110104394 | PROCESS FOR THE PERMANENT MULTICOLOR PAINTING OF A PRODUCT - A process for the permanent multicolor painting of a product, e.g. a body part, includes defining a first region, a first location within the first region and a second location within the first region but different from the first location, on the surface of the product. The surface is provided with a first release layer, at least in the first region and the first release layer is exposed to electromagnetic radiation, e.g. IR radiation, at the first location but not at the second location. The surface is provided with a first layer of paint at least at the first location. The first layer of paint is fixed, at least at the first location. Alternatively, the first release layer is applied at least at the second location but not at the first location, so that an exposure to electromagnetic energy at the first location can be omitted. | 05-05-2011 |
20110100240 | PRINTING PRESS WITH CYLINDER ADJUSTMENT AND CONTROL DEVICES - A printing press includes a printing form cylinder, a blanket cylinder, an impression cylinder, an adjusting device for setting a printing pressure between the blanket cylinder and the impression cylinder, a control device for throwing the pressure of the blanket cylinder on and off relative to the impression cylinder and springs for producing bearer ring pressure between bearer rings of the printing form cylinder and bearer rings of the blanket cylinder. The springs are integrated into coupling links and are connected to at least one of the two devices in such a way that, as a result of the actuation of that device, the springs are also adjusted, in order to keep the bearer ring pressure at least substantially constant. | 05-05-2011 |
20110011289 | ROTARY LITHOGRAPHIC PRINTING MACHINE - A rotary lithographic printing machine includes an inking unit with a plurality of inking rollers and a dampening unit with a plurality of dampening rollers. One of the dampening rollers has a porous surface from which dampening solution emerges. At least two further rollers are disposed in a dampening solution flow between the dampening roller having the porous surface and a plate cylinder. | 01-20-2011 |
20100275798 | METHOD FOR HYBRID INLINE COLOR CONTROL FOR PRINTING PRESSES - A method for color control in printing presses having at least one first color measuring instrument and at least one second color measuring instrument, includes registering at least one first inking zone on a printing material with the first color measuring instrument and registering at least one other, second inking zone on the printing material with the second color measuring instrument. In a first step, a color difference between actual colorations of the first and second inking zones is calculated, in a second step, a color difference between an actual coloration of the first inking zone and a desired coloration of the second inking zone is calculated and, in a further step, the calculated color differences are added and supplied to a color control for the second inking zone. | 11-04-2010 |
20100269274 | Washing Device - A washing device has a washing cloth for removing contaminants, ink, etc. from a surface and an ultrasound device for assisting a cleaning operation. The washing device includes one or more ultrasound generators and one or more resonators each in the form of an oscillating flat metal body, from which sound energy is output onto a substantially linear region on the surface to be cleaned. | 10-28-2010 |
20100248924 | FOLDED BOX GLUING MACHINE FOR PRODUCTION OF FOLDED BOXES FROM BLANKS - A folded box gluing machine for making folded boxes from blanks includes several processing stations and a conveying mechanism for delivering the blanks through the individual processing stations. The machine also includes an embossing mechanism that includes embossing dies for embossing a script for the blind in the blanks and that is preferably arranged between two processing stations. | 09-30-2010 |
20100245926 | METHOD FOR SCREENING COLOR SEPARATIONS OF A LENTICULAR IMAGE, COMPUTER PROGRAM PRODUCT AND METHOD FOR PRODUCING A LENTICULAR IMAGE ON A PRINTING MATERIAL - A method for screening color separations of a lenticular image having a lenticular frequency of lenticular lenses for viewing the image, with a lens width l. An amplitude-modulated halftone image is calculated for each color separation at one screen angle with a rational number tangent and screen frequency. The screen has non-orthogonal screen cells spanned by vectors u, v for a specific color separation. A distance k is defined. Directions of vectors u, v relating to perpendicular direction relative to image strips of the lenticular image are defined for the specific color separation. First (n, m) and second (i, j) pairs of rational numbers are defined, to satisfy a system of equations: n*u | 09-30-2010 |
20100245882 | DEVICE FOR IMAGING A FLAT OBJECT AND PRINTING MATERIAL PROCESSING MACHINE HAVING THE DEVICE - A device for imaging a flat object, for example a paper sheet in a printing machine, includes a light source, preferably an LED row, a lens and an image sensor. An observation angle between the object plane and lens axis is flat, that is to say less than 45°. The light source illuminates the flat object in a first, near region with light of a first wavelength and illuminates the flat object in a second, far region with light of a second wavelength. The first wavelength is shorter than the second wavelength, preferably being blue and red spectral regions. The first region is disposed nearer the image sensor than the second region. The device permits the so-called chromatic aberration of the lens to be utilized to advantageously reduce the tilt angle of the image sensor required by the so-called Scheimpflug condition. A printing machine having the device is also provided. | 09-30-2010 |
20100243126 | Method for Cold Film Transfer with Dynamic Film Tensioning - A cold film transfer method with dynamic film tensioning guides a film web intermittently through a transfer nip with dancers to use less film web. The intermittent drive and action of a transfer cylinder channel result in undesired fluctuations in film tension or web force, which directly affect dancer motors. A control system is used to avoid high loads on the motors and the web. A control circuit acts on the dancer movement, a first process variable is mapped in the control circuit and the first process variable is a function of a force acting on the dancers as a result of the transfer film or is a function of the actual current movement profile of the dancers. A measure for web tension is calculated as a function of the first process variable and/or the amplitude of the web tension is at least limited by the control system. | 09-30-2010 |
20100242758 | ROTARY TRANSFER APPARATUS FOR TRANSFERRING DIFFERENT MEDIA AND PRINTING PRESS HAVING THE APPARATUS - An apparatus for transferring different media into a rotatably mounted component of a machine, such as a rotary leadthrough, includes a connection for introducing the media to a stator and through a rotor into the rotatably mounted component. The invention can be used, for example, on a plate cylinder of a printing press. | 09-30-2010 |
20100236354 | CAM MECHANISM HAVING A CONTROL CAM AND A CONTROL ROLLER, ALIGNMENT CYLINDER AND SHEET PROCESSING MACHINE - A cam mechanism includes a control cam and a control roller rolling on the control cam to produce a deflection of the control roller. The control cam and the control roller each have a respective anti-twist safeguard, protection or device interacting with each other and being constructed, for example, as a toothing system. An alignment cylinder for sheets and a sheet processing machine are also provided. | 09-23-2010 |
20100232911 | GATHERING AND STITCHING MACHINE AND METHOD FOR OPERATING THE GATHERING AND STITCHING MACHINE - A method collates multiple-layer brochures containing a plurality of n signatures having a gathering and stitching machine. Here, in a first step, the depositing of a first signature takes place by a first feeder into a first transport segment and, in a second step, the depositing of a second signature takes place by a second feeder into a second transport segment. Correspondingly further depositing of further signatures can take place by further feeders into further transport segments. Finally, depositing of an n-th signature takes place by an n-th feeder into an n-th transport segment. The signatures which are deposited on a gathering element in this way are transported through the stitching station and the trimming station and are delivered in the delivery station. A gathering and stitching machine performs the method and has a control unit which has a machine program for collating multiple-layer brochures having a plurality of n signatures. | 09-16-2010 |
20100202002 | Method and Printing Technology Machine for Conversion of Color Measured Values Measured Without a Filter Into Color Measured Values Measured With a Filter and Vice Versa - A method for controlling color in printing technology machines, includes measuring color measured values without/with a UV filter and converting them with a computer to color measured values measured with/without a UV filter. The color measured values measured without/with a UV filter are recorded by a color measurement instrument on a substrate. The spectral remission values of the substrate measured with and without a UV filter are supplied to the computer and the computer converts color measured values measured without/with a UV filter to color measured values measured with/without a UV filter taking into account these supplied spectral remission values of the substrate, and uses them to control the color in the printing technology machine. A printing technology machine having a computer for carrying out the method, is also provided. | 08-12-2010 |
20100200171 | FILM TRANSFER APPARATUS WITH VARIABLE FILM WEB GUIDANCE - An apparatus for film transfer includes at least one printing press and at least one transfer film supply roller, a transfer film guiding device for guiding the transfer film web from the transfer film supply roller to a transfer nip. In order to ensure a variable film transfer in different printing units of the printing press, up to now the transfer film supply roller is moved with a film module into the region of the desired printing unit. In order to make a variable film transfer possible without complicated moving, the guiding device has web guiding elements at least in the region of the at least one printing press and the web guiding elements are enabled to selectively guide the transfer film web to different positions on the at least one printing press, such as to possible potential transfer nips. | 08-12-2010 |
20100177332 | METHOD OF ADAPTING A PRINTING PROCESS WHILE MAINTAINING BLACK BUILD-UP - A method of adapting color values, which have been produced for a first printing process to a second printing process, is performed so that the visual impressions of the colors in the two printing processes are identical. Starting from a first printing process adaptation U without maintaining the black build-up, which transforms the color values [C | 07-15-2010 |
20100156021 | Gatherer Stitcher with Variable Chain Pitch - A gatherer stitcher for collating signatures made of paper, paperboard and the like, for stitching the collated signatures and for delivering the stitched signatures, includes a gathering section, a stitching station and a delivery station. The stitching station has a stitching carriage with at least one stitching head and, during a stitching operation, the stitching carriage is moved by a stitching carriage drive at a speed of the collated signatures. A switching unit is disposed between the stitching carriage drive and the stitching carriage for adapting a stitching carriage movement to a gatherer chain pitch, that is to say for adapting a horizontal reciprocating movement of the stitching carriage, and for adapting a horizontal distance between the stitching carriage and the delivery station. | 06-24-2010 |
20100147167 | METHOD AND APPARATUS FOR CORRECTING THE LATERAL POSITION OF A PRINTING MATERIAL, PRINTING MATERIAL CONVEYING SYSTEM AND MACHINE PROCESSING PRINTING MATERIAL - A method for correcting the lateral position of a printing material, includes gripping the printing material with a transport unit, rotating the transport unit in a lateral position correction angular range for correcting the lateral position of the printing material, and rotating the transport unit out of the lateral position correction angular range while retaining the correction of the lateral position of the printing material. An apparatus for correcting the lateral position of a printing material, a printing material conveying system and a machine for processing printing material, are also provided. | 06-17-2010 |
20100139510 | PRINTING FORM WITH THERMALLY INSULATING LAYER - Reusable printing forms and thermal image setting on the printing forms are optimized in terms of performance. The printing form includes a substrate and a thermally insulating layer that is formed on the substrate. The thermally insulating layer includes a multilayer system. The printing form can have images set on it with a low power image setting device since it is possible to effectively prevent heat from dissipating in an undesirably pronounced manner, for example, into a metallic carrier. | 06-10-2010 |
20100128319 | METHOD FOR EXPOSING A PRINTING FORM AND CORRESPONDING COMPUTER PROGRAM PRODUCT - A method for exposing a printing form includes the following steps: A matrix having device-dependent image information is provided on a computer for supplying data to a printing form exposer. The matrix having device-dependent image information is transformed in a matrix manipulation device into a corrected matrix having device-dependent image information. A printing form is exposed in the printing form exposer with the image information in accordance with the corrected matrix. Here, a first part of the transformation rule for producing the corrected matrix in a first zone of the matrix is defined as a function of the area coverage of the first zone, and a second part of the transformation rule for producing the corrected matrix in a second zone of the matrix, which is different from the first zone, is defined as a function of the area coverage of the second zone, the area coverage in the first zone and the area coverage in the second zone being different from each other. | 05-27-2010 |
20100104759 | Printing Material Coating System and Method for Operating the System - A system for coating printing materials with coating fluids and a method for operating the system include, in a first step, coating printing material with a first coating fluid using a coating device of the system and keeping a first feed device of the system connected to the coating device for feeding the first coating fluid to the coating device using the first feed device. In a second step following the first step, printing material is coated with a second coating fluid using the coating device and a second feed device of the system is kept connected to the coating device for feeding the second coating fluid to the coating device using the second feed device. In a third step carried out after the first step and, at least to some extent, during the second step, the first feed device is flushed through with a cleaning fluid. | 04-29-2010 |
20100083857 | Printing Press - A printing press includes a roller having a first antifriction bearing and a second antifriction bearing. The first antifriction bearing has rolling bodies, a first ring and a second ring. One of the two rings forms an outer ring and the other of the two rings forms an inner ring. Roller sockets are configured as quick action changing devices for receiving the anti-friction bearings during insertion of the roller into the printing press. The first antifriction bearing is configured as an axial floating bearing with a considerable axial movement play of the rolling bodies between the latter and one of the rings. The second antifriction bearing is configured as an axial locating bearing without such a considerable axial movement play. A centering device centers one of the rings relative to the other. | 04-08-2010 |
20100077933 | SHEET-FED OFFSET PRINTING PRESS FOR PRINTING ON BOTH SIDES OF SHEETS - A sheet-fed offset printing press for printing on both sides of sheets has a compact construction and permits a number of color separations to be printed over one another in recto printing or recto and verso printing in a flexible manner and with high print quality. A plurality of printing units, which are disposed behind one another, each include at least one form cylinder, a transfer cylinder, a first impression cylinder and an inking unit having at least one ink applicator roll associated with the form cylinder. A second impression cylinder, which interacts with the transfer cylinder and the first impression cylinder, is provided in at least one printing unit. | 04-01-2010 |
20100075822 | METHOD AND FOLDING MACHINE FOR FOLDING SHEETS - A folding machine and a folding method perform overlapped folding of sheets of paper, paperboard and the like. The folding machine has at least one first and one second folding station each having driven folding rolls, a transport device disposed between the first and second folding stations, a drive and a common control unit connected to the drives. The products are transported between the first and the second folding stations in an overlapping manner. | 03-25-2010 |
20100072695 | METHOD AND DEVICE FOR EJECTING DEFECTIVE SHEETS AT A FEEDER OF A PROCESSING MACHINE AND FEEDER HAVING THE EJECTING DEVICE - A method and a device for ejecting a defective sheet at a feeder of a processing machine, in particular a sheet-fed rotary printing machine, include a transporting device, which can be regulated independently of machine operation, for transporting a sheet identified as a defective sheet with deceleration in such a way that gripper devices of a cylinder cannot grip the sheet and the sheet is transported to a depositing location by the transporting device and a guide. A feeder of a sheet-fed rotary printing machine having an ejecting device, is also provided. | 03-25-2010 |
20100072694 | METHOD AND APPARATUS FOR LATERALLY ALIGNING A SHEET IN A PROCESSING MACHINE AND SHEET-FED PRINTING MACHINE HAVING THE APPARATUS - A method and an apparatus for laterally aligning a sheet in a processing machine, in particular a printing machine, carries out lateral sheet alignment on a cylinder of the printing machine, e.g. a feed cylinder. In order to achieve large correction distances in relation to a possible lateral movement capability of a gripper bar, the latter is prealigned prior to correction in such a way that, in the event of deviation from predetermined desired values, it is prealigned laterally to defined positions. A sheet-fed rotary printing machine having the apparatus, is also provided. | 03-25-2010 |
20100066007 | METHOD AND APPARATUS FOR FEEDING SHEETS TO A PROCESSING MACHINE - A method and an apparatus for conveying and aligning sheets being fed to a processing machine, include conveying a sheet which has been separated from an overlapping stream back into the overlapping stream in the case of a machine “stop,” wherein a rear sheet edge is raised by a mechanical or pneumatic device. | 03-18-2010 |
20100064922 | Method for Controlling Inking Units and/or Dampening Units - A method for controlling inking units having a plurality of zones and/or dampening units in printing presses, includes determining reference values, which are dependent on surface area coverage and/or location, through the use of a computer for the inking zones in the inking unit. Deviations of detected color measuring values from the reference values are calculated for each inking zone. The calculated deviations are compared with data stored in the computer and corresponding with causes of color problems. The computer determines causes of color problems in the inking unit and/or dampening unit by comparison with the data. | 03-18-2010 |
20100064916 | Method For Separating At Least Two Bridges Of A Segmented Transport System For Printing Materials, Apparatus For Implementing The Method And Machine For Processing Printing Materials - A method and apparatus for separating at least two bridges, especially gripper bars, of a segmented transport system for printing materials, e.g. sheets of paper in a printing press, include a transport system having a segmented electric linear drive with first and second primary parts constructed as segmented. The drive has a plurality of secondary parts constructed as carriages. Each secondary part assigned to the first primary part and each secondary part assigned to the second primary part are coupled by a crossmember to form a movable bridge. Two bridges in the same segment are moved jointly. A first bridge, reaching into a further segment due to jointly controlled movement, is moved individually under closed-loop control and separated from a second bridge, for locating the two bridges in different segments during further movement. Electrical and mechanical collisions of the bridges or of the carriages can therefore be eliminated. | 03-18-2010 |
20100022376 | FOLDING MACHINE AND KNIFE HOLDER FOR A KNIFE SHAFT OF A FOLDING MACHINE - A folding machine for folding sheets of paper, board and the like, includes at least one knife-shaft unit for cutting, perforating, scoring or crimping the sheets. The knife-shaft unit has at least one pair of driven knife shafts. Knife-retaining units for retaining knives are fitted in a rotationally fixed manner on the knife shafts. The knife-retaining units have a split construction and are formed by a plurality of partial shells. A knife holder for a knife shaft of a folding machine, is also provided. | 01-28-2010 |
20100011980 | METHOD AND MACHINE FOR TREATING A REUSABLE PRINTING TECHNOLOGY SURFACE WITH AT LEAST ONE LIQUID AND MACHINE FOR PROCESSING PRINTING MATERIAL - A method for treating a reusable printing technology surface, preferably a printing form that can be re-imaged, with at least one liquid, for example cleaning fluid, rinsing liquid, solution of amphiphilic molecules or gumming agent, includes rotating the printing technology surface about a cylinder axis, applying the liquid to the printing technology surface in the form of a jet and at a varying angle and contacting the printing technology surface with a movable cloth. The printing technology surface is rotated at a varying rotational speed. The rotational speed is preferably varied in stages, in particular increased, in order to achieve the best possible treatment results, for example cleaning and (re-) covering with amphiphilic molecules. The method can preferably be implemented in a printing press or a plate exposer. A machine for treating a reusable printing technology surface and a machine for processing printing material, are also provided. | 01-21-2010 |
20100007690 | REGISTER MARK TO BE DETECTED BY A REGISTER SENSOR - An apparatus in a machine for processing printing material has a register sensor for register measurement between at least two color separations of a printed image printed above one another on a printing material. The register sensor registers optically deviations between the two color separations and forwards the deviations onto a computer. The register sensor contains at least one photodiode having at least two quadrants. The largely rectangular evaluation areas of the photodiode are aligned obliquely in relation to the edges of the conveyed printing material. A register mark to be detected by the register sensor has a plurality of wedge-shaped colored areas pointing in a peripheral direction of the printing material, one of the wedge-shaped colored areas being a reference color used as a reference variable and others of the wedge-shaped colored areas being register colors to be controlled. An alternative register mark has a first field for length calibration; a second field having a wedge of a reference color selected as a reference variable; and a third field containing a register color to be controlled. The may also be provided a measuring field formed as a point-symmetrical field exhibiting a color of a color separation as a full tone. | 01-14-2010 |
20100007082 | APPARATUS FOR FEEDING AND ALIGNING SHEETS FED TO A PROCESSING MACHINE, IN PARTICULAR A PRINTING MACHINE - An apparatus for feeding and aligning sheets which are fed to a processing machine, e.g. a printing machine, includes at least two parallel transporting belts which, on a side directed toward the sheet, subject the sheet to different retaining forces, in such a way that the retaining force in outer peripheral regions is greater than in an inner region located therebetween. The transporting belts can be activated individually in dependence on the position of the sheet, and they can therefore align the sheet in its transporting direction and obliquely thereto. | 01-14-2010 |
20090294039 | Film Transfer Apparatus, Cassette for a Film Transfer Apparatus and Method for Operating a Film Transfer Apparatus - A film transfer unit is provided on an inking unit of a printing unit. If such a film transfer unit includes an intermittent drive device having dancers then, as a result, access to an ink fountain or an inking unit is generally rather restricted. Adjustable guide elements of the intermittent drive device are provided in a frame of an intermittent drive module which can be pushed, in the form of a cassette, out of an opening of the film transfer unit when the film transfer unit is not to be used to transfer a transfer layer from a transfer film to a printing material, so that an installation space which has thus become free can be used to operate an ink fountain of the inking unit. A cassette for a film transfer apparatus and a method for operating a film transfer apparatus, are also provided. | 12-03-2009 |
20090294038 | Intermittent Film Drive and Method - A method and an apparatus for reducing web tension change during intermittent driving of a transfer film in a film transfer unit, include severely impairing the web tension by contact sections before and after a transfer nip of the film transfer unit as the transfer film runs through a channel at the transfer nip. In order to reduce the web tension changes, front and/or rear guide elements before and after the transfer nip are moved time-asynchronously in relation to one other in order to at least reduce web tension fluctuations of the transfer film as it passes through the transfer nip. | 12-03-2009 |
20090293747 | Method of Operating a Printing Machine and Printing Machine for Carrying out the Method - A method for operating a printing machine in a print operating mode and another operating mode, for example a maintenance mode. In the print operating mode, bringing a vibrating roller periodically into contact with a first roller of an inking unit, driving the first roller rotationally by a first motor, driving a second roller of the inking unit rotationally by a second motor, transmitting no torque from the first motor to the second roller through a clutch therebetween, and activating the first motor by a control device causing the first roller to rotate at a rotational speed in a constant ratio to a rotational speed of the second roller. In the other operating mode, driving the first and second rollers rotationally by the first motor and transmitting torque from the first motor to the second roller through the clutch. A printing machine for carrying out the method Is also provided. | 12-03-2009 |
20090284587 | METHOD FOR DISPLAYING EVENTS IN PRINTING MATERIAL PROCESSING MACHINES AND VIDEO-MONITORED PRINTING MACHINE - A method for displaying events in printing material processing machines, includes capturing the events with at least one camera and storing the captured events on a computer. Sensors for detecting machine states are provided in the printing material processing machine. Records of the events recorded by the camera as a video sequence are electronically marked in dependence on the detected machine states. A printing machine for carrying out the method is also provided. | 11-19-2009 |
20090274298 | METHOD FOR PRODUCING A SECURITY FEATURE ON A FLAT SUBSTRATE - A security feature is produced on a flat substrate, e.g. on paper or board. Particles—forming a cryptographic random pattern—are applied, preferably scattered on, to the substrate or incorporated into the substrate. Flexible pieces of wire or fiber, in particular thin pieces of copper wire, are applied to or incorporated into the substrate in a feature area corresponding to the security feature. The security feature can be provided with a protective layer, e.g. a laminate. A security feature produced in accordance with the invention can be detected simply and faultlessly and evaluated cryptographically. Furthermore, it cannot be imitated, or can be imitated only uneconomically, with known printing processes. | 11-05-2009 |
20090256087 | Measuring Apparatus Having a Movable Measuring Device in a Press - A measuring apparatus for scanning moving, preferably sheet-like, printing materials in a printing material-processing machine, such as a press for processing sheet material. The apparatus has a measuring device which can be moved, at least in the transport direction of the printing materials. The measuring apparatus is set up in such a way that, during a measuring operation, the measuring device is moved over the moving printing material in the transport direction of the printing material with a differential speed relative to the transport speed of the printing material. | 10-15-2009 |
20090241792 | Method and Apparatus for Feeding Printing Plates to a Plate Cylinder of a Processing Machine - In an apparatus for feeding printing plates to a plate cylinder of a printing press, the printing plate is prealigned on stops outside the plate cylinder with a lateral offset and with an oblique skew. Then the printing plate is fed, in the thusly aligned position to the register pins of the plate cylinder, wherein the printing plate is finally aligned by lateral displacement and by a pivoting movement about the first register pin, until the printing plate bears with its receptacles against both register pins. | 10-01-2009 |
20090230618 | SHEET BRAKING MECHANISM - A sheet braking mechanism for a sheet punching and/or embossing machine for the braking a sheet in a processing station of the sheet punching and/or embossing machine, includes a movable pneumatic sheet brake and a movable carrier, on which at least one brake brush is mounted. The pneumatic sheet brake and the carrier are mechanically coupled, for example, by a driving element, so that a movement of the pneumatic sheet brake causes a movement of the carrier. | 09-17-2009 |
20090205772 | Method for Transferring a Transfer Layer from a Carrier Film, Film Transfer Apparatus and Covering Surface for a Film Transfer Apparatus - A film transfer apparatus includes an application unit, a transfer unit downstream of the application unit, and at least one third unit for further processing a printing material with a transfer layer applied. In the prior art, if contact pressure is exerted on coated printing material again in a following nip, the adhesive layer under the transfer layer can be pressed out. A blanket can then be contaminated with adhesive, ink itself can be contaminated and parts of the transfer layer can be detached from the coated sheet. In order to avoid pressing out the adhesive, measured values in the transfer unit are compared with corresponding values in the third unit. At least one controlled variable in the units can then be readjusted on the basis of a difference, to at least reduce the quantity of adhesive squeezed out. A transfer method and a covering surface are also provided. | 08-20-2009 |
20090205521 | Method and Apparatus for Coupling and Uncoupling a Plate Cylinder in a Sheetfed Printing Press and Sheetfed Rotary Printing Press Having the Apparatus - A method and an apparatus for coupling or uncoupling a cylinder, in particular a plate or blanket cylinder, to or from a gear train of a printing press or for coupling and uncoupling the cylinder to and from an auxiliary drive, for example for service work or during changeover processes, includes firstly accelerating the auxiliary drive to a predefined rotational speed, then coupling the auxiliary drive to the cylinder and then uncoupling the cylinder from the main drive. A sheetfed rotary printing press having the apparatus is also provided. | 08-20-2009 |
20090199731 | Method for Setting Up an Ink Fountain of a Printing Press and Printing Press Having an Ink Fountain - A method for setting-up or making-ready an ink fountain of a printing press includes setting side walls of the ink fountain against an ink fountain roller of the ink fountain, while simultaneously tensioning or stressing springs so that the springs press the side walls against the ink fountain roller. A printing press including an ink fountain configured for performing the foregoing method is also provided. | 08-13-2009 |
20090193988 | Printing Press Having an Anilox Inking Unit with an Associated Washing Device - A printing press includes an anilox inking unit having an engraved roller and a washing device with a feed device for introducing detergent and a removal device for removing the detergent and printing ink. Further rollers are disposed between the feed device and the engraved roller and between the engraved roller and the removal device, as viewed in a conveying direction of the detergent. An effective length of the further rollers increases from the feed device to the removal device. | 08-06-2009 |
20090175704 | BOOKBINDING MACHINE - A book binding machine for producing printed products, such as books, magazines or brochures, includes individually driven processing stations, such as a book spine processing station, a glue application station, a cover feeder and a pressing station, which are connected by a transport system that has a multiplicity of clamps for clamping-in book blocks. The clamps are driven individually, in particular by linear motors or servomotors, and are guided on a guide track. | 07-09-2009 |
20090148620 | Method for Drying Printed Material - A method for drying printed material operates with the aid of a one-dimensional or two-dimensional array of radiation sources which can be driven individually or in groups. At the same time, the high-resolution image data describing the printing image or a content of printing forms for individual color separations is transformed into image data of lower resolution. Position data which describes the position of the printed image in the transport direction is also obtained from a device for transporting the printing material. Control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array are generated from the image data of lower resolution and the position data, so that the printing material is swept over in the transport direction with time-modulated radiation points which in each case include a plurality of image points of the higher-resolution printed image. | 06-11-2009 |
20090145319 | Apparatus for Transporting a Printing Plate to or From a Plate Cylinder of a Printing Press and Printing Unit and Printing Press Having the Apparatus - An apparatus for transporting a printing plate to or from a plate cylinder of a printing press includes a first, driven transport roller that is stationarily disposed and a second transport roller that is disposed so as to be movable in the direction of the first transport roller. The second transport roller is mounted so as to be pivotable about a pivot axis disposed perpendicularly to its axis of rotation, preferably by a ball and socket joint or a fork bearing. | 06-11-2009 |
20090145318 | Method for Drying Printing Ink and Printing Ink - A method for drying printing ink containing an inactive active substance enclosed before drying in a reaction-inhibited form in a transport substance, for accelerating the drying of the printing ink on a print medium, includes applying the printing ink to a print medium being dried at a reaction site by supplying energy to the printing ink, and releasing the active substance by an energy supply from the transport substance at the reaction site for activation. A printing ink includes an active substance enclosed before drying in a reaction-inhibited form in a transport substance, for accelerating the drying of the printing ink on a print medium. The active substance is releasable during the drying by an energy supply from the transport substance at the reaction site. | 06-11-2009 |
20090139420 | Gripper for Conveying a Sheet Through a Printing Technology Machine - A gripper for conveying a sheet through a printing machine makes it possible to increase speed. The gripper includes gripper fingers with finger tips disposed at a rotary articulation or joint. | 06-04-2009 |
20090129911 | DEVICE FOR TURNING FLAT ARTICLES INCLUDING FOLDED BOX BLANKS - A device for the turning of flat articles, particularly blanks of folded boxes, includes conveying elements which define at least two conveying sections that are permeable to air and on which the articles are conveyed lying substantially flat, the conveying elements being mounted in a frame, a suction device arranged below the conveying element and to extend through the conveying section to increase the friction between the conveying elements and the articles, and a separate drive for each of the conveying elements of the respective conveying sections. The frame is mounted such that it can swivel about a pivot in the exit region of the frame relative to a machine frame. | 05-21-2009 |
20090127318 | Method for Manufacturing a Printing Form and Printing Form with Thermally Insulating Layer - Reusable printing forms and thermal image setting on the printing forms is optimized in terms of performance. A method for manufacturing the printing form, in particular a rewritable printing form, having a thermally insulating layer, is distinguished by the fact that the thermally insulating layer is produced by the configuration of individual layers to form a layer sequence as a multilayer system. A printing form which is manufactured by the method according to the invention can have images set on it with a low power image setting device, as it is possible to effectively prevent heat from dissipating in an undesirably pronounced manner, for example into a metallic carrier. | 05-21-2009 |
20090120224 | Apparatus for Driving a Roller of a Printing Press and Printing Press Having the Apparatus - An apparatus for driving a roller of a printing press includes a main motor configured to drive the roller through a first gear wheel and a first freewheel, and an auxiliary motor configured to drive the roller through a second gear wheel and a second freewheel. A brake that is different from the main motor, for example a band brake, is configured to brake the roller during overrunning of the roller following a machine stop signal. A printing press having the apparatus is also provided. | 05-14-2009 |
20090107354 | Display Device and Method for Printing Material Processing Machines and Printing Press Having a Display Device - A display device and a display method are provided for printing material processing machines having components disposed relative to a printing material. The display device and method are configured in such a way that changes in a relative position of the components of the machine are displayed on the display device in relation to the printed image and/or the printing material. A printing press having a display device is also provided. | 04-30-2009 |
20090103578 | Method of Protecting a Laser Against Damage Caused by Undesired Incident Light in a Resonator - A method of protecting a laser against damage caused by undesired incident light in a resonator includes measuring a parameter, which is a measure for the optical power of the incident light. In more concrete terms, the optical power occurring at a resonator mirror is measured. In response to a result of the measurement, a pumping power for the laser is reduced to reduce the optical power in the resonator to a value that is uncritical for the laser. | 04-23-2009 |
20090101036 | Printing Press and Method for Operating a Printing Unit of a Printing Press - A method for operating a printing unit of a printing press includes operating the printing unit in a first operating mode, for example printing operation, and in a second operating mode, for example maintenance operation. In the first operating mode, a printing unit cylinder and a distributor roller are driven rotationally by a first motor and the distributor roller is driven axially by a second motor. In the second operating mode, the distributor roller is driven rotationally by a third motor and the distributor roller is driven axially by the second motor. A printing press for carrying out the method is also provided. | 04-23-2009 |
20090101035 | Device for Feeding Printing Plates to a Plate Cylinder of a Printing Press and Sheet-Fed Rotary Printing Press Having the Device - A device for feeding printing plates to a plate cylinder in a printing press includes a pivotable guide element. The pivotable guide element has pivotable guide members which are in contact with an image side of the printing plate when the printing plate is being fed to the plate cylinder. These pivotable guide members are disposed in such a way that they can be disengaged from the printing plate when the printing plate is being wrapped around the plate cylinder. A sheet-fed rotary printing press having the device, is also provided. | 04-23-2009 |
20090101031 | DEVICE FOR CONTROLLING A SHEET-FED ROTARY PRINTING MACHINE HAVING A PLURALITY OF DRIVE MOTORS AND SHEET-FED ROTARY PRINTING MACHINE HAVING THE DEVICE - A sheet-fed rotary printing machine includes at least two electric drive motors acting on a gearwheel train which mechanically connects a plurality of printing units to one another. A device for controlling the printing machine includes a control loop for each electric drive motor having a higher-frequency control element. At least one control loop has a low-frequency control element supplying an output signal picked up at the control loops in a predetermined ratio. A sheet-fed rotary printing machine having the device is also provided. | 04-23-2009 |
20090095181 | Transfer Drum Between Printing Units of a Sheet-Fed Printing Press - A transfer drum for conveying a sheet in a printing press improves the accuracy of a sheet transfer. The transfer drum includes a drum body which is supported for rotation in a frame and a gripper system on the drum body for holding an edge of the sheet. The gripper system is formed of a row of spaced-apart gripper fingers jointly pivotable about an axis which is parallel to the axis of rotation of the drum body. A device for actuating the gripper fingers during a revolution of the drum body includes an actuating element which is displaceable in the direction of the axis and on which at least two drive elements of cam joints are formed. Each of the drive elements is in operative connection with a group of the gripper fingers. | 04-16-2009 |
20090085272 | Stitching Device and Saddle Stitcher Having the Stitching Device - A device for stitching collated printed products, in particular signatures, with staples, includes a stitching head base body, a former, a clincher, a staple support and a driver. The former has a supporting projection and a control projection. The supporting projection extends beyond a contour of the control projection. A saddle stitcher having a stitching device is also provided. | 04-02-2009 |
20090084280 | Device for Mounting a Printing Plate on a Plate Cylinder of a Printing Press, Printing Unit Having the Device and Printing Press Having the Printing Unit - A device for clamping and tensioning an edge of a printing plate on a plate cylinder of a printing press includes a single actuating shaft for releasing clamping and tensioning forces. The actuating shaft has a control cam for releasing the tensioning forces and a control roller for releasing the clamping forces. A printing unit having the device and a printing press having the printing unit are also provided. | 04-02-2009 |
20090078136 | Printing Press with Bearer Rings - A printing press includes a first rotary body with a first bearer ring and a second rotary body with an axle which eccentrically supports a second bearer ring. The second bearer ring is in rolling contact with the first bearer ring and is rotatably coupled to the second rotary body. | 03-26-2009 |
20090068340 | Machine for Processing Printing Material and Method for Structuring the Printing Material - A machine for processing printing material has at least one processing unit in which a printing material is modified in terms of shape or by application of a printing ink onto its surface. The printing material includes a surface area which either carries an electrically conductive substance or to which an electrically conductive substance is applied by an application unit of the machine for processing printing material. The machine further has a laser treatment unit for structuring the electrically conductive substance located on the printing material by partial modification or removal of the electrically conductive substance by a focused laser beam. In a corresponding method of operating the machine, at least one focused laser beam structures the electrically conductive substance located on the printing material by partial modification or removal of the electrically conductive substance. Structures of less than 10 micrometers in size can be achieved. | 03-12-2009 |
20090062095 | FOLDED BOX GLUING MACHINE WITH IMPROVED ACCESSIBILITY - A folded box gluing machine for the processing of folded box blanks includes at least one feeder unit arranged to transport the folded box blanks to downstream processing stations including a folding station, a glue applicator unit, a transfer station, a gathering and pressing mechanism, and a safety mechanism for a machine component presenting a danger to the human operator defined by a light curtain. The safety mechanism can be deactivated via a mobile operator unit, and the operator unit is designed such that it can only be operated with both hands. | 03-05-2009 |
20090058971 | Method of Printing - A method of printing an image on a substrate in a printing machine having at least a first printing unit and an inkjet printing unit, includes moving the substrate through the printing machine. A raster image formed of image dots is printed on the substrate at a first moment using at least the first printing unit. At least one contiguous area of inkjet dots in the raster image is printed at a second moment, after the first moment, using the inkjet printing unit. Substantially all inkjet dots forming the contiguous area are printed at dot locations having similar surface wetting properties. | 03-05-2009 |
20090056579 | Print substrate-contacting element having an ink-repellent coating and method for coating a print substrate-contacting element - A print substrate-contacting element having an ink-repellent coating on a surface of a microstructured carrier is described, the coating including at least one derivative of an amphiphilic organic compound whose polar region has an acidic character. A method for coating a surface of a microstructured carrier of a print substrate-contacting element is distinguished by the application of an amount of substance, which includes at least one derivative of an amphiphilic organic compound whose polar region has an acidic character, by treating the surface with an alcoholic solution of the amount of substance. The print substrate-contacting element can very advantageously be the surface of a back-pressure cylinder in a print substrate-processing machine, in particular in a printing press. The coating method can be carried out in a print substrate-processing machine. | 03-05-2009 |
20090047101 | Book Binding Machine with a Book Block Transport System and Lubrication Clamp for a Book Block Transport System in a Book Binding Machine - A book binding machine includes a book block transport system and a plurality of clamps for clamping stacks of leaves. The clamps are disposed at a distance from each other and are guided in guide tracks of a machine frame. The book block transport system includes a clamp, which is also referred to as a lubrication clamp, having a device for lubricating the guide track. An applicator is assigned to each track roller of the clamp, and the lubricant is transferred to the track rollers through the use of a respective applicator such as a brush. The track rollers transfer the lubricant to contact surfaces of the guide track. A lubrication clamp for a book block transport system in a book binding machine, is also provided. | 02-19-2009 |
20090025585 | Method for Starting Continuous Printing with Reduced Application of Dampening Solution and Printing Press for Carrying out the Method - A method for operating an offset printing press having at least one printing unit with an inking unit, a plate cylinder for receiving a printing plate, a blanket cylinder, an impression cylinder and a dampening unit, and for controlling an application of dampening solution from the dampening unit onto the plate cylinder, includes predampening the printing plate. After a printing pressure has been switched on between the blanket cylinder and the impression cylinder and after a printing material transport through the offset printing press has been switched on, a supply of dampening solution to the plate cylinder in the printing unit is reduced to a pronounced extent at least once for a short predefined time period, as a result of which an excess of dampening solution produced by the predampening does not accumulate permanently in the inking unit. A printing press for carrying out the method is also provided. | 01-29-2009 |
20090025584 | Method for Developing Printing Plates in an Offset Printing Press and Printing Press for Carrying out the Method - A method for developing printing plates in a printing press having at least one printing unit includes loading an imaged, undeveloped printing plate with dampening solution before a start of printing for dampening in at least one printing unit of the printing press for an active duration corresponding at least to one and one half times a time duration or number of machine revolutions provided before a start of printing when an already developed printing plate is used in the same printing press. A printing press for carrying out the method is also provided. | 01-29-2009 |
20090022538 | Apparatus with Electrical Crush Protector and Printing Press Having the Apparatus - An apparatus for safely operating at least two components which are movable relative to one another in a machine for processing printing materials, includes drive motors each driving a respective one of the movable components. At least one control computer detects movement of the movable components. The control computer is set up in such a way that, if a spacing is reduced between the movable components, at least that movable component, which is the cause for the reduction in the spacing between the movable components, is brought to a standstill. A printing press having the apparatus is also provided. | 01-22-2009 |
20090020031 | Apparatus and Method for Treating a Rotating Printing Technology Surface with a Process Liquid, Machine for processing Printing Material and machine for Treating Printing Forms - An apparatus and method for treating a rotating printing technology surface, especially a re-imageable printing form, with a process liquid, such as cleaning, covering or rinsing liquid, include jet nozzles disposed along a straight line substantially parallel to the axis of rotation of the printing technology surface, and a cloth device substantially parallel to the axis of rotation. The nozzles pivot about a pivot axis substantially perpendicular to the axis of rotation for producing a substantially uniform distribution of process liquid parallel to the axis of rotation. The cloth device preferably has a cloth with segmented or calendered portions substantially parallel to the axis of rotation, for substantially limiting spread of process liquid in the cloth parallel to the feed direction of the cloth and assisting substantially uniform distribution of process liquid parallel to the axis of rotation. Machines for processing printing material and for treating printing forms are also provided. | 01-22-2009 |
20090015855 | Method for Correcting the Gray Balance of a Printing Process - A method for correcting gray balance of a printing process includes imaging printing forms assigned to color separations with a test form, printing a printing material using the printing forms in a printing press and calorimetrically measuring the test form printed onto the printing material. It is undesirably possible to produce a new color error in other tonal value ranges due to changing the layer thickness of a process ink to correct the gray balance. In order to perform a gray balance correction without disruptive secondary effects, a test form is imaged with colored gray areas, after their colorimetric measurement, at least two of the colored gray areas are selected and, based on their color values, a corrected tonal value of a non-black chromatic process ink is determined, and this corrected tonal value is recorded as a corrected set point of the process ink for imaging following printing forms. | 01-15-2009 |
20090013889 | Method for Improved Plate Change and Sheet-fed Offset Printing Press Having a Plate Change Apparatus - An apparatus and a method for changing printing plates in sheet-fed rotary printing presses include a plurality of printing units and plate cylinders being coupled to one another mechanically in the printing units during a printing operation. At the beginning of a plate change, the plate cylinders are coupled to one another mechanically and are driven jointly by a main drive motor. After an old printing plate has been conveyed out, each plate cylinder is decoupled from the common mechanical connection and is driven by a separate drive motor. | 01-15-2009 |
20090013884 | SHEET PUNCHING AND EMBOSSING MACHINE AND METHOD FOR ORIENTING THE SHEETS - A method of orienting a sheet in a sheet punching and embossing machine and a sheet punching and embossing machine includes at least one processing station, a machine control system and a sheet transport system including circulating gripper carts with gripper bridges on which grippers are secured. The sheet is gripped and moved through the machine by the grippers. The sheet transport system includes circulating chains. The gripper carts include travel carts which are connected to the sheet transport system, and the gripper carts stop at a respective processing station to process the sheet. The gripper bridge of a gripper cart is connected by spring elements to the travel carts, and the gripper bridge includes a contact surface which can be brought into contact with at least one driven adjustment element of a respective processing station to orient the sheet in the processing station and to lower the gripper bridge into the processing stations. | 01-15-2009 |
20090007810 | Washing Device for a Cylinder in a Printing Press - A washing device for a cylinder in a printing press includes a washing cloth for removing contaminants and ink, etc. from the surface of the cylinder and an ultrasonic source directing sound energy onto the surface of the cylinder to assist a washing operation. A focusing device disposed in front of the ultrasonic source concentrates the sound energy on a substantially linear focus region on the surface of the cylinder, extending parallel to the axis of the cylinder. | 01-08-2009 |
20090002430 | Measurement Field for Determining the Smearing Limit During Printing - A measurement field allows determining the smearing limit during printing, in particular during lithographic wet offset printing. The measurement field is arranged on a printing form, in particular a printing plate, which has printing, ink-carrying regions and nonprinting, dampening solution-carrying regions on its surface. A dampening solution-carrying property in the region of the measurement field is reduced by a nanoscopic coating (e.g., with amphiphilic molecules) or an unscreened, microscopic coating (e.g., a polymer coating) in comparison with the dampening solution-carrying property in the nonprinting regions of the surface of the printing form. The nanoscopic coating or the microscopic coating advantageously leads to a shifting of the smearing limit, that is to say to a displacement of the starting point of scumming, by the dampening solution requirement which is increased for scum-free printing within the region of the measurement field. Such a measurement field is thus advantageously used for the closed-loop control of a dampening solution supply. | 01-01-2009 |
20080314268 | Improved Print Control Strip for Color Measurement on Printing Material, Measuring Method and Method of Metering Ink - A print control strip to be applied to printing material during a multicolor printing process, includes multiple measuring fields associated with one ink zone on the printing material. The measuring fields, which are associated with one ink zone, include at least two gray measuring fields. A method of measuring fields in print control strips on printing material with a measuring device and a control unit connected thereto, and a method of controlling metering of ink in offset printing presses including at least one ink metering device in each printing unit and a control unit, are also provided. | 12-25-2008 |
20080313878 | Sliding-Surface Mounting and Method of Producing the Mounting - In a method for producing a pivotable bearing between a gripper and a gripper tube bearing the latter or between a gripper shaft and a gripper tube enclosing the latter coaxially, provision is made for all the components to be mounted on the gripper tube to be fixed before a sliding bearing formed as a resin-hardener system is introduced between the respectively pivotably connected parts. In this manner, deformations brought about by the fixing of the components can be compensated for. | 12-25-2008 |
20080298825 | Method for Converting Color Measured Values in Polarized or Unpolarized Form - A method for converting polarized color measured values to unpolarized color measured values or vice versa uses a computer. The conversion is carried out by the computer by using a pair of reference measured values determined in polarized and unpolarized form. | 12-04-2008 |
20080295723 | Printing press - A printing press for processing a web of printing material, in particular for producing labels or packaging, includes a plurality of printing units which are convertible between different printing processes. Each of the convertible printing units includes at least one receiving element to releasably connect and receive a printing unit subassembly or printing unit component in such a way that the printing process can be implemented on the web of printing material passing through the printing unit in a printing nip formed between a cylinder and an impression cylinder. In order to provide diagonal register adjustment, the axis of rotation of the cylinder is tiltable relative to the axis of rotation of the impression cylinder by a linear movement of the at least one receiving element perpendicular to a direction of engagement between the cylinder and the impression cylinder. | 12-04-2008 |
20080295719 | Method for drying a printing ink on a printing substrate in a printing press, and a printing press - A method for drying a printing ink ( | 12-04-2008 |
20080293532 | Machine for Processing Printed Sheets - A machine for processing printed sheets includes a sheet delivery having a first conveying device for leading sheet ends, a second conveying device for trailing sheet ends, and a setting device for adjusting one of the two conveying devices relative to the other in a manner dependent on sheet format. The setting device includes a variable ratio gear unit for superimposing two movements. | 11-27-2008 |
20080293501 | Centering Bush and Combination, System and Printing Press Having the Centering Bush - A centering bush for connecting components includes a bush head having a construction generally in accordance with that of a blade pin. A combination, a system and a printing press having the centering bush, are also provided. | 11-27-2008 |
20080290594 | Transfer Drum for Conveying a Sheet in a Machine of the Graphic Arts Industry - A transfer drum for conveying a sheet in a machine of the graphic arts industry. The transfer drum is developed for controlling grippers without much effort and without much wear to the components of the gearing mechanism. The transfer drum includes grippers that are suited for holding an edge of the sheet and are arranged on a gripper shaft. Levers are fixed to the ends of the shafts. A cam mechanism for opening and closing the grippers has control cams that are connected to the frame and have contact surfaces, and cam followers fixed to the levers and in contact with the contact surfaces. Opposing torques act on the ends of the gripper shaft. | 11-27-2008 |
20080290592 | Apparatus for Feeding Sheets to a Processing Machine and Method for Loading the Apparatus - An apparatus for feeding sheets made from paper, paperboard and the like to a processing machine, includes a stacking table with a delivery device, by way of which the sheets disposed upright on one of their edges are fed to a separating apparatus. The stacking table is divided and has a fixed part and a part mounted in such a way that it can pivot about a rotational axis. A method for feeding a stack or bundle of sheets into the apparatus is also provided. | 11-27-2008 |
20080289527 | Device and Method for Correcting Lateral Position of a Printing Substrate - A device for correcting the lateral position of a printing substrate, preferably a sheet of paper, held by a gripper bar and conveyed in a transporting direction has a linear drive that includes a first primary part and a first secondary part configured as a first carriage and associated with the first primary part, and a second secondary part configured as a second carriage. The first carriage and the second carriage are arranged on the same side of the printing substrate in the lateral direction and—to correct the position of the printing substrate in the lateral direction—are movable relative to each other in the direction of transport. Such a device may be used for transporting printing substrates and for correcting the register position of printing substrates in machines for processing printing substrates, preferably printing presses or machines for the further processing of printed products. The relative movement of the two carriages with respect to each other initiates a lateral movement of the gripper bar without influencing the advancement of the printing substrate. | 11-27-2008 |
20080289523 | Anilox Printing Unit and Printing Press Having an Anilox Printing Unit - An anilox printing unit includes, as inking unit rolls, an ink applicator roll and an engraved roll mounted in rapid change roll sockets, for removing the engraved roll from the roll sockets and inserting another engraved roll into the roll sockets by an operator. The engraved roll is hollow and a temperature control fluid flows therethrough. The engraved roll and the ink applicator roll each have bearer rings. A device which presses the bearer rings of one inking unit roll against the bearer rings of the other inking unit roll has springs for compensating for diameter differences as a result of manufacturing tolerances between the bearer rings of the engraved roll and the bearer rings of the other engraved roll and for compensating for thermally induced diameter changes of the bearer rings of the engraved roll. A printing press having an anilox printing unit is also provided. | 11-27-2008 |
20080289522 | Apparatus for Turning a Sheet During Transport Through a Printing Press - An apparatus for turning a sheet during transport through a printing press provides better printed results as a result of improved sheet guidance. A transfer drum has gripper systems disposed in channels for holding the sheet at the leading and trailing sheet edge, and guide elements covering the channels. | 11-27-2008 |
20080282920 | Device for Feeding Printing Plates to a Plate Cylinder and Printing Unit Having the Device - A device for feeding printing plates to a plate cylinder includes a pressure roller for pressing the printing plate against the circumferential surface of the plate cylinder when the printing plate is being mounted. In order to compensate for uneven pressing forces resulting from a bending of the pressure roller, cylindrical segments are provided that have different widths and/or different diameters and/or different distances between the segments. A printing unit of a rotary printing press having the device, is also provided. | 11-20-2008 |
20080282916 | Surface with a Surface Structure for Contacting Printing Material, Machine for Processing Material and Method for Producing Areas with a Surface Structure - A surface, especially a galvanically molded transport cylinder sleeve, has a surface structure for contacting printing material, in particular sheets of paper. The surface structure includes first structural elevations spaced apart from each other by a minimum distance A | 11-20-2008 |
20080277067 | Blanket for Use in a Cold-foil Stamping Process and Cold-foil Stamping Device Having a Blanket - A blanket for use in a cold-foil stamping process includes hard elements at least partially embedded in a cover layer. As a result, a line pressure in a transfer nip of a transfer unit of a cold-foil stamping device can be adjusted and increased to such an extent that a transfer layer is transferred with sharper edges from a transfer foil to a printing substrate. Structuring of the transfer layer due to the hard elements can be successfully avoided at the same time, if desired, by completely embedding the hard elements into the cover layer. A cold-foil stamping device including a transfer cylinder and a corresponding blanket, is also provided. | 11-13-2008 |
20080276816 | Method for Automatically Adjusting Pressure Between Rotary Bodies in a Printing Press and Printing Press for Carrying out the Method - A method for automatically adjusting a pressure between rotary bodies in a printing press, includes measuring an image of a pressure strip on printing material. An image of a first pressure strip formed by a first rotary body together with a second body and an image of a second pressure strip formed by the second rotary body together with a third rotary body, are measured on the printing material. A printing press for carrying out the method is also provided. | 11-13-2008 |
20080276815 | Transfer Drum Between Printing Units of a Sheet-fed Printing Press - A transfer drum between printing units in a sheet-fed printing press includes gripper systems which can be switched to a desired mode of operation by simple measures and ensure stable and reliable transport of a sheet between printing units when in a respective operating position. A drum body has journals for supporting the drum body in side walls and two gripper systems provided on the drum body. The gripper systems are radially extendable into an operating position depending on a selected mode of operation for printing on only one side or for printing on both sides of the sheet. The gripper systems are disposed diametrically opposite each other relative to an axis of rotation of the drum body and are attached to a support disposed in the drum body to move in radial direction. | 11-13-2008 |
20080272538 | Configuration for Detecting a Physical Parameter at a Stack of Sheets Lying on Top of One Another - A configuration for detecting a physical parameter at a stack of sheets resting on top of each other obtains signals from inside a stack in a wireless manner. At least one sensor that responds to changes in the parameter, is disposed between two sheets in the stack and is connected to a stationary evaluation unit. The sensor and the evaluation unit are connected by a wireless connection. | 11-06-2008 |
20080250957 | Ink Fountain of a Printing Press, Ink Fountain Roll and Printing Press - An ink fountain of a printing press includes a component having a bearing face for bearing printing ink and cells made in the bearing face. An ink fountain roll for an ink fountain of a printing press and a printing press having an ink fountain, are also provided. | 10-16-2008 |
20080246209 | Method and Device for Separating Printing Plates from a Stack - In order to separate printing plates and intermediate layers present in pairs, suckers having a delimiting device are known which, on the basis of the different flexibility of intermediate layers and printing plates, permit these to be separated from one another. For particularly thin intermediate layers, this configuration reaches its limits. Accordingly, by moving a suction element slowly downward at a speed V | 10-09-2008 |
20080241718 | Method and Device for Receiving a Used Web of Transfer Foil - A method and device for receiving a used web of transfer foil on a wind-up reel overcome the disadvantage of telescoping of the wound-up web of transfer foil on the wind-up reel, which tends to increase as a used web of transfer foil continues to be fed to the wind-up reel. Telescoping is at least reduced by providing a device for receiving a used web of transfer foil with at least one dielectric layer, causing web regions adjacent each other in the radial direction on the wind-up reel to adhere to each other due to electrostatic forces. At least one charging device for charging the dielectric layer of the web of transfer foil is provided in a transfer foil web region upstream of the wind-up reel, to charge the used web of transfer foil. The charging device substantially extends over the entire width of the web of transfer foil. | 10-02-2008 |
20080236732 | Method for the Production of a Steganographic Image on a Printing Material - A method for the production of a steganographic image on a printing material includes bringing the printing material into contact with a transfer film after an adhesive raster corresponding to the steganographic image was previously applied to the printing material and/or the transfer film. | 10-02-2008 |
20080236430 | Method for Determining Optimized Ink Presetting Characteristic Curves for Controlling Inking Units in Printing Presses and Printing Press for Carrying out the Method - A method for determining optimized ink presetting characteristic curves for the control of inking units in printing presses through the use of a computer, includes acquiring measured values on a printing material produced by a printing press within the context of a running print job, through the use of a color measuring instrument. The acquired measured values are compared with a color set point to be achieved, fluctuations in the acquired measured values are determined and, if fluctuations lie within a defined permissible tolerance band around the color set point, the computer generates a signal to adapt and store the ink presetting characteristic curves used for the running print job. A printing press for carrying out the method is also provided. | 10-02-2008 |
20080236411 | Printing Unit of a Printing Material Processing Machine and Method and Machine for Treating Printing Material - A printing unit of a printing material processing machine, preferably a sheetfed offset printing press, includes a form cylinder and an impression cylinder. The form cylinder has a printing form for applying printed information to the printing material and the impression cylinder has a microstructured surface, preferably a cover, contacting the printing material. A surface of the impression cylinder contacting the printing material is provided with micro-embossed structures for applying embossed information to the printing material. The printing material is printed and embossed simultaneously. A security feature and/or a change in gloss can be implemented on the printed product through the use of the embossed, preferably micro-embossed, information. | 10-02-2008 |
20080230977 | Apparatus for Feeding Sheets with Variable Overlap Length and Sheet Arrival Control and Printing Press Having the Apparatus - An apparatus for feeding sheets in sheet-processing machines includes a transport belt which transports sheets from a first location to a second location. The transport belt can be driven at variable speed by a drive. The speed of the transport belt can be controlled by a control device in such a way that, through the use of a combination of at least two speed profiles, the number of sheets on the transport belt and the transfer of the sheets at the first and second locations can be adjusted. A printing press having the apparatus is also provided. | 09-25-2008 |
20080229951 | Device for the Transport of Sheets by Means of a Chain-driven Gripper Bar - In a device for the transport of sheets in a sheet-processing machine, preferably a printing press, provision is made to transport the sheets on chain-guided gripper bars. The gripper bars are fixed respectively to two chain links arranged indirectly beside each other. The forces acting on the gripper bars are more evenly distributed. | 09-25-2008 |
20080229947 | Deliver Drum and Perfecting Printing Press Having the Delivery Drum - A delivery drum includes at least one supporting shell for supporting a printed sheet and for producing a vacuum region between the supporting shell and the printed sheet. The supporting shell extends over the entire width of the printed sheet. A circumferential length, which is at least one quarter of the sheet length of the printed sheet, is disposed between the sheet start of the printed sheet and the start of the vacuum region. | 09-25-2008 |