| KOMORI CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120103158 | WEB CUTTING DEVICE - A web cutting device, which achieves cost reduction by a simplified structure, ensures operational stability, and enhances the reliability of the device, is provided. The web cutting device is equipped with a knife for cutting a web, and comprises: a cutting blade support member supporting the knife and supported to be pivotable between a standby position and a cutting position; a return spring for urging the cutting blade support member toward the standby position; a stopper pin and an engaging groove for stopping the cutting blade support member at least at the standby position; a cutting blade bearing member provided with a slit for receiving the knife, and a knock bolt for pivoting the cutting blade support member to the cutting position; and drive means, composed of an L-shaped lever and an air cylinder, for moving the cutting blade bearing member toward and away from the cutting blade support member. | 05-03-2012 |
| 20110297028 | CONTACT PRESSURE ADJUSTING METHOD AND CONTACT PRESSURE ADJUSTING APPARATUS FOR PRINTING PRESS - A contact pressure adjusting method and a contact pressure adjusting apparatus for a printing press, which can adjust a contact pressure automatically and always highly accurately without the influence of mechanical oscillations (disturbance such as noise), are provided. For this purpose, the contact pressure (load) of a wiping roll on an intaglio cylinder is converted into the torque value (electric current value) of a wiping roll drive motor, and given as feedback to a wiping roll contact pressure adjusting motor. | 12-08-2011 |
| 20110237415 | SHEET TRANSPORT APPARATUS - For effective achievement of an increase in productivity, prolongation of the life cycle of a consumable part, a decrease in the running cost, a lighter burden on the operator's work, and a reduction in spending on plants and equipment, a sheet transport apparatus comprises: a folding cylinder ( | 09-29-2011 |
| 20110192298 | DRIVE CONTROL METHOD AND DRIVE CONTROL APPARATUS FOR PRINTING PRESS - According to a drive control method and apparatus, an offset printing section and an intaglio printing section are connected together by a gear train. Separately from an offset printing section prime motor for driving an entire sheet-fed printing press, an intaglio printing section auxiliary motor is provided in the intaglio printing section where load is heaviest and load variations are great. By so doing, the entire sheet-fed printing press is driven by the offset printing section prime motor and the intaglio printing section auxiliary motor. Moreover, the electric current value (driving torque value) of the intaglio printing section auxiliary motor is controlled in accordance with an electric current value (torque value) for driving the offset printing section prime motor, the torque distribution rate of the intaglio printing section auxiliary motor, and the rated electric current value of the intaglio printing section auxiliary motor. | 08-11-2011 |
| 20110126729 | REGISTER APPARATUS OF PRINTING PRESS AND REGISTER METHOD FOR PRINTING PRESS - In a printing press including a printing section to print patterns, a register apparatus captures an image of register marks printed in the printing section, and causes positions of the patterns, which are to be printed in the printing section, to be in register on the basis of positions of the register marks in the image. The register apparatus comprises: a front surface camera or a back surface camera for capturing an image of an edge of a print sheet together with the register marks, the print sheet already subjected to printing in the printing section; and a first-color register adjustment mechanism, a second-color register adjustment mechanism, a third-color register adjustment mechanism and a fourth-color register adjustment mechanism for adjusting the positions of the patterns to be printed in the printing section, on the basis of the positions of the register marks in the image and a position of the edge of the print sheet in the image. | 06-02-2011 |
| 20110116853 | METHOD FOR ADJUSTING COLOR TONES OF PRINTED MATTER - Provided is a method for adjusting color tones of a printed matter. The method includes a displaying step of displaying an image of a printed matter on a display apparatus ( | 05-19-2011 |
| 20110072994 | SHEET DRYER - A sheet dryer includes: a coating section | 03-31-2011 |
| 20100294149 | INTAGLIO PRINTING PRESS - An intaglio printing press includes: an intaglio cylinder; an ink collecting cylinder which has a blanket attached to a circumferential surface of the collecting cylinder, is in contact with the intaglio cylinder, and transfers ink onto the intaglio cylinder; multiple chablon rollers which are in contact with the ink collecting cylinder and transfer ink onto the ink collecting cylinder; and an inking device which feeds ink to the chablon rollers. In the intaglio printing press, a work space is formed between the chablon roller located at the highest position and the chablon roller immediately below the highest chablon roller. The work space allows an access to the ink collecting cylinder without detachment of the chablon rollers. | 11-25-2010 |
| 20100237560 | QUALITY INSPECTION APPARATUS FOR SHEET-SHAPED MATTER - Provided is a quality inspection apparatus including: gripper units provided to each delivery chain, each gripper unit configured to hold an end portion of a sheet; an arc-shaped track portion provided in a part of a movement track of the gripper units and formed by the movement track; an inspection unit installed at an opposite side of the arc-shaped track portion from an arc center of the arc-shaped track portion; and a vacuum cylinder installed at the same side of the arc-shaped track portion as the arc center. In the apparatus, while running along the arc-shaped track portion, the sheet is inspected by the inspection unit under a guidance of the vacuum cylinder. | 09-23-2010 |
| 20100230893 | SHEET GUIDE APPARATUS - A sheet guide apparatus includes an impression cylinder having a gripper device for holding a thin sheet or a thick sheet and adapted to transport the thin sheet or the thick sheet, and an air blowing device comprising an air discharge duct and discharge nozzles for blowing air on the thin sheet or thick sheet being transported by the impression cylinder. The sheet guide apparatus comprises: a displacement gauge for detecting the distance to the thin sheet or thick sheet being transported by the impression cylinder; and a control device for controlling the air blowing device, based on the detection results of the displacement gauge, to adjust the flow rate of discharged air so that the distance between the thin sheet or thick sheet and the displacement gauge becomes a distance which prevents the unstable motion of the thin sheet or thick sheet. | 09-16-2010 |
| 20100109234 | DRIVE CONTROL METHOD AND DRIVE CONTROL APPARATUS FOR PROCESSING MACHINE - An upstream-side printing unit group and a downstream-side printing unit group, respectively, are driven by separate prime motors and synchronously controlled. In addition to rotary encoders for the upstream-side and downstream-side prime motors, rotary encoders are provided on a last impression cylinder of the upstream-side printing unit group and a first transfer cylinder of the downstream-side printing unit group to detect differences between rotational phases, which the upstream-side and downstream-side printing unit groups should have, and the actual rotational phase of the last impression cylinder of the upstream-side printing unit group or the first transfer cylinder of the downstream-side printing unit group. In accordance with the rotational phase differences, the rotational speeds of the prime motors are corrected. | 05-06-2010 |
| 20100043655 | SYNCHRONOUS CONTROL METHOD AND APPARATUS FOR ROTARY STENCIL PRINTING PRESS - A synchronous control method and apparatus for a rotary stencil printing press individually drive a rotary screen cylinder by a dedicated drive motor, can set how many rotations have been made before arrival of a sheet at a screen printing unit when synchronous control of the drive motor with respect to a prime motor of a sheet-fed offset printing press is started, and stop the rotation of the rotary screen cylinder until the start of the synchronous control. | 02-25-2010 |
| 20100037790 | METHOD AND APPARATUS FOR DRIVING PRINTING PRESS - In a printing press including; a blanket cylinder gear driven by a drive motor of the printing press; a blanket cylinder including a notch, the blanket cylinder being rotationally driven by the blanket cylinder gear; a plate cylinder gear rotationally driven by the drive motor of the printing press through the blanket cylinder gear; and a plate cylinder including a notch at a position corresponding to the notch of the blanket cylinder, the plate cylinder being rotationally driven by the plate cylinder gear, a load motor is provided to the plate cylinder or the plate cylinder gear, and a braking force of the load motor is controlled according to load applied to the drive motor of the printing press. | 02-18-2010 |
| 20100037789 | METHOD AND APPARATUS FOR DRIVING PROCESSOR - In a sheet-fed printing press including; an impression cylinder gear driven by an upstream drive motor of an upstream printing unit group; an impression cylinder rotationally driven by the impression cylinder gear; a transfer cylinder gear of a convertible press mechanism rotationally driven by the upstream drive motor through the impression cylinder; and a transfer cylinder which is provided with a notch and is rotationally driven by the transfer cylinder gear, a load motor is provided to the transfer cylinder or the transfer cylinder gear, and braking force of the load motor is controlled according to load on the upstream drive motor. | 02-18-2010 |
| 20090295915 | SHEET BEHAVIOR MONITOR FOR SHEET PROCESSOR - A sheet behavior monitor for a sheet processor includes: a folding machine processing a sheet; and a camera taking an image once for each signature (Wb) folded by the folding machine. The camera takes every image at a folding machine rotation phase different from that of the image immediately before taken. | 12-03-2009 |
| 20090295057 | SHEET MONITOR FOR FOLDING MACHINE - A folding machine includes: pairs of upper and lower downstream-side conveying belts ( | 12-03-2009 |
| 20090293745 | SHEET MONITOR FOR PERFECTOR - A perfecter includes: a transfer cylinder ( | 12-03-2009 |
| 20090267289 | TRANSPORT APPARATUS - A transport apparatus, including a first transport portion for transporting one signature, a second transport portion for transporting other signature, and a fan wheel for entering both sheets, which have been transported by the first and second transport portions, between vanes thereof, and rotationally transporting the sheets, comprises: a main frame for supporting the first transport portion and the fan wheel; a movable frame for supporting the second transport portion; a first adjusting device for moving the main frame and the movable frame by the same amount; and a second adjusting device for moving the movable frame relative to the main frame. | 10-29-2009 |
| 20090165660 | LIQUID COATING MACHINE - A rotary screen printing press, which includes a rotary screen cylinder for coating ink on a sheet transported by transport means, and a plate or forme replacing work space whose upper side is closed, with respect to which a transport direction of the sheet is restrained by other device and a liquid coating unit including the rotary screen cylinder, which is open in at least one of directions orthogonal to the transport direction of the sheet, and where an operator performs work of replacing a screen printing forme, comprises a plate or forme rest provided below the rotary screen cylinder and supported to be movable to a first position within the liquid coating unit and a second position within the forme replacing work space. | 07-02-2009 |
| 20090041931 | Liquid supply apparatus and method of manufacturing plate therefor - A screen printing unit equipped with a rotary screen apparatus comprises a cylindrical screen rotatably supported so as to be brought into contact with a rotatable impression cylinder. Multiple small holes are formed in the circumferential surface of the screen, and are filled up with a coating material. Some of the holes corresponding to a pattern not being filled with the coating material, and a special ink stored inside the screen can be supplied to a sheet held on the outer circumferential surface of the impression cylinder so as to form a shape corresponding to the pattern. The small holes are formed only in an area of the screen in the circumferential direction thereof extending from a position corresponding to the downstream-side end of the sheet in the sheet-conveying direction to a position corresponding to the upstream-side end of the sheet in the sheet-conveying direction. | 02-12-2009 |
| 20090020027 | Synchronous control method and apparatus for web rotary printing press - A synchronous control method and apparatus are disclosed for a web rotary printing press which comprises a first printing press, a second printing press, a drive motor for driving the second printing press, and a folder provided in the first printing press, and enables a web printed by the first printing press and a web printed by the second printing press to be superposed and folded by the folder. The synchronous control apparatus comprises a pattern phase deviation detecting sensor provided halfway through a transport path, on which the web printed by the second printing press is transferred so that the web is superposed on a web printed by the first printing press, and adapted to measure the position of a pattern printed by the second printing press, and a pattern phase deviation computing device and a central control device for controlling the rotation phase of the drive motor based on the position of the pattern printed by the second printing press, the position having been measured by the sensor. | 01-22-2009 |
| 20090000497 | Liquid transfer member pressing force adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, has a groove portion provided in an outer peripheral surface thereof, the groove portion accommodating a gripper device for holding a material to be printed, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to the material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a squeegee throw-on and throw-off control device which, when the squeegee opposes the groove portion of the impression cylinder, brings the squeegee into contact with the inner peripheral surface of the screen printing forme, and controls the pressing force of the squeegee acting on the inner peripheral surface of the screen printing forme to be lower than its pressing force exerted during printing. | 01-01-2009 |
| 20080314277 | Printing quality control method and system for relief printing press - Provided are an ink supply amount adjustment method and system for a relief printing press including: a first rotor, such as an ink form roller, to which ink is supplied; a second rotor, such as a plate cylinder, to which the ink is supplied from the first rotor; and adjustment means, such as a motor, for adjusting, for example, the nip pressure between the first rotor and the second rotor. The width of a line portion printed on paper W by the relief printing press is measured by a line-width measuring camera, and the adjustment means such as the motor is controlled on the basis of the line portion width obtained by the line-width measuring camera. | 12-25-2008 |
| 20080314269 | Printing quality control method and apparatus for printing press - A printing quality control method and apparatus are disclosed for a printing press including an ink fountain for storing ink, and a motor for driving an ink fountain roller which adjusts the amount of ink supplied from the ink fountain. According to the method and apparatus, a face side distance measuring instrument measures the ink film thickness of a printing product of printing by the printing press, and control means controls the motor for driving the ink fountain roller based on the ink film thickness measured. | 12-25-2008 |
| 20080314267 | Printing quality control method and apparatus for printing press - A printing quality control method and apparatus are disclosed for an intaglio printing press including an intaglio cylinder which is supplied with ink, an impression cylinder opposing the intaglio cylinder, and holding a sheet which is supplied with the ink from the intaglio cylinder, and a motor for adjusting a printing pressure between the intaglio cylinder and the impression cylinder. The emboss amount of a printing product of printing by the intaglio printing press is measured by a face side distance measuring instrument and a reverse side distance measuring instrument, and the motor for adjusting the printing pressure between the intaglio cylinder and the impression cylinder is drivingly controlled based on the emboss amount measured. | 12-25-2008 |
| 20080307987 | Liquid transfer member position adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes, a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to a material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a setting instrument for setting the length in the transport direction of the material to be printed, and a squeegee throw-on and throw-off control device for controlling the squeegee to be moved to a retreat position in accordance with the length in the transport direction of the material to be printed which has been set by the setting instrument. | 12-18-2008 |
| 20080307986 | Liquid transfer member pressing force adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes, a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to a material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a squeegee throw-on and throw-off control device which controls the pressing force of the squeegee acting on the inner peripheral surface of the screen printing forme during printing in accordance with the type and thickness of the material to be printed. | 12-18-2008 |
| 20080257186 | DRYING APPARATUS FOR SHEET - In a printing press equipped with a UV lamp for drying UV ink printed on a sheet transported by a transfer cylinder and a delivery cylinder, the UV lamp is accommodated within each of the transfer cylinder and the delivery cylinder, and is supported to be non-pivotable with respect to frames and immovable in the axial direction of the cylinder when the printing press is in operation. | 10-23-2008 |
| 20080252001 | Sheet-speed reduction mechanism for fan wheel - A sheet-speed reduction mechanism for a fan wheel including: fan wheels that hold, between fan blades thereof, a signature transported from a printing press thereto, and that rotates with the held signature; a stopper portion that restricts the front end of the signature held between the fan blades, and that then discharges the signature from the inside of the fan wheels; and speed-reduction guides that presses a surface of the signature advancing between the fan blades before the front end of the signature comes into contact with the stopper portion, so as to reduce the advancing speed of the signature. | 10-16-2008 |
| 20080223239 | Printing press abnormal state display method and apparatus - In a printing press abnormal state display method, the current states of a plurality of elements of a printing press are detected. The detected current state of each element is compared with a normal state predetermined for the element. It is determined on the basis of the comparison result whether the current state of the element is abnormal. The abnormal state of only an element determined to be abnormal is displayed on the basis of the determination result. A printing press abnormal state display apparatus is also disclosed. | 09-18-2008 |
| 20080216697 | CONTACT-PRESSURE ADJUSTING METHOD AND CONTACT-PRESSURE ADJUSTING SYSTEM FOR LIQUID APPLICATION MACHINE - Disclosed is a contact-pressure adjusting method and a contact-pressure adjusting system, each of which automatically adjusts the contact pressure between two rotors, for a liquid application machine including: a first rotor to which liquid is supplied; a second rotor to which the liquid is supplied from the first rotor; and a contact-pressure adjusting unit for adjusting the contact pressure between the first rotor and the second rotor. By using a temperature measuring unit, measured is: the temperature of at least one of the surfaces of the first and second rotors; the temperature of at least one of the liquid on the surface of the first rotor and the liquid on the surface of the second rotor; or the temperature of at least one of the vicinity of the first rotor and the vicinity of the second rotor. The contact-pressure adjusting unit is adjusted in accordance with the measured temperature. | 09-11-2008 |
