METSO PAPER INC. Patent applications |
Patent application number | Title | Published |
20140240696 | Method for Calibrating the Position of the Slitter Blades of a Slitter-Winder - The positions of the slitter blades of a slitter-winder are calibrated using a laser to perform measurement and calibration of the fiber web cutting point of each slitter blade pair. Measurement and calibration is preformed on the top slitter blade of each of a multiplicity of slitter blade pairs one after another. The laser measures one slitter blade of each slitter blade pair while they are engaged. The slitter blade pairs between the laser and the slitter blade pair being measured are not engaged. Carriages which support the slitter blades have position sensors which the laser measurements calibrate and the blade pair positions are measured and the carriage positions are read simultaneously. The cutting edges of the slitter blades are sharpened to have straight sides and the laser measurement system is located so the laser beam is directed to the straight side. | 08-28-2014 |
20140166442 | METHOD AND APPARATUS FOR UNLOADING A STOCKPILE - The present invention is directed to an apparatus and a method for unloading a stockpile with an elongated unloading bridge, which is provided at its both ends with support wheels, the unloading bridge being horizontally movable at least in an essentially transverse direction with respect to a longitudinal direction of the unloading bridge. The unloading bridge includes at least one car movable along the unloading bridge, the car comprising at least one rake extending essentially transversally with respect to a longitudinal direction of the unloading bridge and inclined to a position between the horizontal and the vertical. Characteristically, the unloading bridge includes at least two adjacent conveyor screws below the unloading bridge and extending between the ends of the unloading bridge, each conveyor screw being provided with a thread opposite to that of an adjacent conveyor screw, and each conveyor screw being rotatable in a direction opposite to that of an adjacent conveyor screw. Further, the conveyor screws are positioned adjacently so that a free space is left between them, and the threads and rotating directions of the conveyor screws have been arranged so that the conveyor screws are adapted to forming a bank in the free space between them. | 06-19-2014 |
20140138471 | Slitter-winder of a Fiber Production Line - The invention relates to a winder guard in a two-drum winder which combines the web cutting and the winder guard functions to one device. The winder guard is movable in an arcuate path around the front (downstream) winding drum. The winder guard has an upstream edge on which a cutting blade is mounted so as to align with the winder guard, and pass between the two winding drums and then to be bent to engage the rear (upstream) winding drum so as to cut a plurality of partial fiber webs WP slit from a machine web W in a slitter and wrapped around the rear winding drum onto winding cores | 05-22-2014 |
20140083354 | ROD-BED ASSEMBLY - A rod-bed assembly has a holder ( | 03-27-2014 |
20140061358 | Method for Separating Partial Webs in a Slitter Winder - Partial webs are separated in a slitter-winder. The partial webs (WP) are separated by spreading in a spreading device having at least a first, bowed spreader roll ( | 03-06-2014 |
20130306770 | Refiner and Blade Element - A refiner ( | 11-21-2013 |
20130306769 | Refiner and Blade Element - A refiner comprises at least one first refining surface ( | 11-21-2013 |
20130306768 | Blade Element - A blade element ( | 11-21-2013 |
20130277489 | Method and Device for Winding of Fiber Webs, Especially of Partial Paper and Board Webs - Fiber webs are wound into partial web rolls ( | 10-24-2013 |
20130270383 | Method and Device for Winding of Fiber Webs, Especially of Paper and Board Webs - A method and apparatus for winding fiber webs, particularly paper and board webs, in which partial web rolls (R | 10-17-2013 |
20130240658 | DEVICE FOR WINDING OF FIBER WEBS, ESPECIALLY OF PAPER AND BOARD WEBS - The invention relates to a device for winding fiber webs, particularly paper and board webs, into partial web rolls, which device includes winding stations ( | 09-19-2013 |
20130231230 | METHOD FOR MODERNIZING A MULTIROLL CALENDER, IN PARTICULAR FOR MODERNIZING A SUPERCALENDER AND A MODERNIZED MULTIROLL CALENDER, IN PARTICULAR A MODERNIZED SUPERCALENDER - A method for modernizing a existing multiroll calender, having at least one stack of calender rolls ( | 09-05-2013 |
20130220565 | Arrangement for Treating Fiber Web - An arrangement for treating a fiber web, in particular for sizing paper and board web (W), using a sizer ( | 08-29-2013 |
20130118701 | Method and Arrangement for Fiber Web Machine, and Software Product - The invention relates to a method in a fiber web machine. In the method, a fabric ( | 05-16-2013 |
20130105101 | Roll Coating Roll and Method for its Manufacture | 05-02-2013 |
20130098461 | Booster for a Digital Hydraulic Controller and Method for Using a Booster in Connection with a Digital Hydraulic Controller - A booster for a digital hydraulic controller which has at least one digital valve ( | 04-25-2013 |
20130075520 | METHOD IN TURN-UP OF REELING OF FIBER WEBS AND A TURN-UP DEVICE FOR A REEL-UP OF FIBER WEBS - A fiber web is reeled by a reeling drum of a reel-up onto a parent roll. When the parent roll has reached the desired diameter size, reeling is changed from the parent roll onto a new parent roll. The web is cut by jet cutting means and the beginning part of the cut web is directed onto a reeling shaft of a new parent roll. The jet cutting path has a main cutting path and at least one edge area cutting path. The length of the main cutting path is at least 60% of the whole cutting path length from one edge of the web (W) to the other edge of the web (W). A turn-up device for a reel-up has one cutting module ( | 03-28-2013 |
20130074361 | Drying Arrangement and Method for Drying a Moving Web - Moisture profiling is carried out in the transverse direction of a moving paper or board web. An air dryer has a first air supply channel extending transverse to the web and second air supply channels which are connected with the first air supply channel, and into which heated drying air is supplied from the first air supply channel. The second air supply channels are parallel to the travel direction of the web. The air dryer has elongated blowing members, each arranged in connection with a plurality of second air supply channels for supplying heated drying air from the second air supply channels to the blowing members. A profiling connection is arranged in connection with at least one, preferably several, second air supply channels for supplying additional air into the second air supply channel in order to change the moisture profile of the web in the transverse direction of the web. | 03-28-2013 |
20130064968 | Method and Apparatus for Controlling a Coating Head, and a Coating Head - A method and apparatus are described for controlling a coating head, which exerts a nip pressure to a fibrous web to be coated while the fibrous web is supported by a backing roll. An output signal of a sensor integrated within the backing roll is read, thus producing a measured indication of the nip pressure. A number of actuator control values are derived at least partly from said measured indication of the nip pressure. Said actuator control values are delivered as commands to a number of respective actuators that contribute to creating the nip pressure, to control an amount of a coating substance on the fibrous web in the coating head. | 03-14-2013 |
20130042988 | Vacuum Equipment for a Fiber Web Machine and a Fiber Web Machine Provided with Vacuum Equipment - The invention relates to vacuum equipment for a fiber web machine. The vacuum equipment includes a frame ( | 02-21-2013 |
20130040793 | Segmented Roll Assembly and Stopping Device for a Segmented Roll - A stopping device ( | 02-14-2013 |
20120318901 | DEVICE AND A METHOD FOR UN-REELING OF WIRE FROM A COIL - Apparatus and methods for unreeling wire from a wire coil are disclosed including a wire stand around which the wire coil is arranged, a wire admission point to which the wire is fed from the wire coil and a bar flexibly mounted with respect to the wire stand so that the bar can be tilted with respect to the wire admission point so that loose wire drawn from the wire coil without having entered the wire admission point is prevented from becoming entangled by tilting of the bar. | 12-20-2012 |
20120285376 | Device for Applying Adhesive in a Slitter-Winder of Fiber Web Machine | 11-15-2012 |
20120255679 | Winding Section in a Slitter Winder for a Fibrous Web and Apparatus for Bringing a Fastening Means onto the Surface of a Partial Web - The present invention relates to a winding section ( | 10-11-2012 |
20120247703 | APPARATUS FOR INSERTING OR REMOVING A CLOTHING IN AN INDUSTRIAL MACHINE - An apparatus ( | 10-04-2012 |
20120234962 | Set Changing Device of a Slitter-Winder - A set changing device of a slitter-winder has a pusher device for pushing completed wound fiber web rolls ( | 09-20-2012 |
20120145347 | DRY END WEB TRANSPORT SYSTEM - The invention relates to a system for transporting a fibre web ( | 06-14-2012 |
20120125554 | Device for Drying and Treating a Tissue Paper Web - A device for drying and treating a fiber-based moving fiber web ( | 05-24-2012 |
20120111516 | Method and Apparatus for Treating a Fibrous Web - Treatment liquid is sprayed onto a fibrous web surface by one or more spray boxes ( | 05-10-2012 |
20120104132 | Refiner - A refiner ( | 05-03-2012 |
20120091248 | Method and Apparatus for Threading a Fibrous Material Web in a Winder - A method of adhesive-free threading of a fibrous material web for winding around a winding body includes the steps of diverting the fibrous material web in the circumferential direction of the winding body, guiding the fibrous material web with its unfolded leading edge ahead in the direction of a nip formed between the winding body and a drum and catching the leading edge of the fibrous material web by interaction with the fibrous material web and/or the winding body. An apparatus for adhesive-free threading of a fibrous material web for winding around a winding body has a diverting device for diverting the fibrous material web in the circumferential direction of the winding body and a mechanical guide for guiding the fibrous material web with its unfolded leading edge ahead in the direction of a nip formed between the winding body and a drum. | 04-19-2012 |
20120083928 | Method for Controlling a Digital Hydraulic Controller - A digital hydraulic controller has a feed line, a drain line, an output line and a plurality of individually switchable on/off valves which selectively connect the feed line to the output line or which connect the output line to the drain line. A controlled quantity is detected which includes a pressure and/or a flow rate of a fluid in the output line. One of the valves is selected to be switched to control the amount and direction of fluid passing through the valve for controlling the controlled quantity to approach a target value. A test sequence is performed including calibration of the individual valves by alternately opening two of the valves, one of which connects the feed line to the output line and the other connects the output line to the drain line, and by calculating and setting calibration values for the individual valves. | 04-05-2012 |
20120073496 | Rod-Bed Assembly - A rod bed assembly ( | 03-29-2012 |
20120073431 | Digital Hydraulic Controller - A digital hydraulic controller has at least two rows of valve elements: one can connect a supply line to a controller output, the other can connect the controller output to an outlet line. The valve elements of each row are connected in parallel and are switchable individually or simultaneously in different combinations with each other and have different flow cross sections. The valve element with the smallest flow cross section is present twice in the row. A system unit has a differential cylinder and a digital hydraulic controller with four rows of valve elements, two of which are, with their common controller output, connected to the one pressure chamber of the differential cylinder, while the other two rows of valve elements are, with their common controller output, connected to the other pressure chamber of the differential cylinder. The differential cylinder can be used as a precisely adjustable linear actuator. | 03-29-2012 |
20120067378 | Method for Removing Foreign Matter from a Digital Hydraulic Pressure Controller - Foreign matter is removed from a digital hydraulic pressure controller having two portions connectable to each other and each including two valve arrays with a plurality of individually switchable valve means having different flow cross-sections and connected in parallel within a valve array. One valve array of each pressure controller portion can connect a supply line to a controller output line and the other valve array can connect the output line to a drain line. The two pressure controller portions are connected, the valve means having the largest flow cross-section of the valve array of the one portion on the supply line side is opened, the valve means o having the largest flow cross-section of the valve array of the other portion on the drain line side is opened and the opened flow path is flushed through the pressure controller with pressurized working fluid, while the other valve means are closed. | 03-22-2012 |
20120032011 | Refining Surface for a Refiner - A refining surface ( | 02-09-2012 |
20120012267 | DOCTOR BLADE ARRANGEMENT AND METHOD IN FIBRE PROCESSING - Apparatus for removing fiber webs from fiber conveying supports are disclosed including a doctor beam, a doctor blade having a web contacting edge, a hose for fluids for applying a force between the doctor beam and the doctor blade when pressurized to move the web contacting edge towards the fiber conveying support, the fiber web having a basis weight over 1000 g/m | 01-19-2012 |
20120006924 | Refining Surface for a Refiner - A refining surface ( | 01-12-2012 |
20120000623 | Roll Assembly for a Fiber-Web Machine and Method of Attenuating Vibration of a Fiber-Web Machine Roll - A roll assembly ( | 01-05-2012 |
20120000619 | ARRANGEMENT, SYSTEM AND METHOD FOR TREATMENT OF CELLULOSE PULP - Apparatus for screening cellulose pulp streams is disclosed including first and second screens contained in a housing, and a primary inlet for directing the cellulose pulp stream into the housing, an accept outlet for withdrawing an accept portion from the housing, a reject outlet for withdrawing a reject portion from the housing, a first accept chamber for receiving the accept portion which has passed through the first screen, a second screen chamber for directing the first accept portion to the second screen, and a secondary pulp inlet for receiving a second cellulose pulp feed stream comprising a screened cellulose pulp accept fraction and directing it to the second screen whereby the second accept fraction is delivered to the accept outlet. Methods and systems for screening cellulose pulp systems are also disclosed. | 01-05-2012 |
20110303380 | Arrangement For Washing And Dewatering Cellulose Pulp - The invention relates to a washing arrangement ( | 12-15-2011 |
20110233130 | METHOD AND ARRANGEMENT FOR FIXING AN ENDLESS WIRE - The invention relates to a method and an arrangement for fixing an endless wire ( | 09-29-2011 |
20110198423 | Refiner and Method for Refining Fibrous Material - A refiner ( | 08-18-2011 |
20110162230 | Paper or Board Machine Employing a Single-Wire Draw Dryer Section - A paper or board machine having a machine dryer section with a drying group with single-wire draw. A drying wire (F) presses the web (W) on a drying cylinder ( | 07-07-2011 |
20110139384 | METHOD AND AN APPARATUS FOR CONTROLLING A FLOW OF PULP SUSPENSION - Apparatus and methods for controlling the flow of a pulp suspension from a container in which the pulp is processed or stored are disclosed. The container is pressurized to a first pressure and includes an outlet for the pulp suspension, a pump includes an inlet and an outlet, and the pump inlet is connected to the container. The pulp suspension is fed from the inlet to the outlet of the pump and provides a controlled decrease in pressure to which the pulp suspension is subjected in the pump during such transport, and the flow from the container is controlled by adjusting this controlled decrease in pressure. | 06-16-2011 |
20110089273 | Refiner and Method for Refining Fibrous Material - A refiner ( | 04-21-2011 |
20110056637 | PREHYDROLYSIS SULFATE COOKING PROCESS - Processes for the preparation of prehydrolyzed pulp from lignin-containing cellulosic material are described including prehydrolyzing the cellulosic material with steam at a first pressure, terminating the prehydrolyzing by at least one addition of an alkaline liquid at the first pressure followed by at least one pressure reduction and delignifying the prehydrolyzed cellulosic material in a cooking stage. The pressure reduction can be a single pressure reduction or a gradual pressure reduction carried out in incremental stages. | 03-10-2011 |
20110056088 | Method for Reducing Runnability Problems Caused By Gas Flows in an Impingement Dryer for a Fibre Web and an Impingement Dryer - The invention relates to an impingement dryer and a method for reducing runnability problems caused by gas flows in an impingement dryer for a fibre web, which impingement dryer has gas blowing opening and gas exhaust openings. The fibre web to be dried is supported with a support fabric. The support fabric and the fibre web to be dried are moved in the machine direction inside the impingement dryer past the blowing openings and exhaust openings. At the same time hot gas is blown from the blowing openings toward the fibre web to be dried and gas is removed from the vicinity of the fibre web to the exhaust openings. At least one edge control strip is moved in the machine direction edges of the impingement dryer in front of the blowing openings or the exhaust openings or both. With its aid a desired number of blowing openings or exhaust openings or both are covered and thus their effect is controlled. | 03-10-2011 |
20110024540 | Blade Made of Steel Alloy - A refiner or disperser blade is made of a steel alloy by casting. The alloy comprises, in weight percent: | 02-03-2011 |
20110020532 | PAPERMAKING COATING STATION WITH PRESSURE-SENSITIVE FILM ROLL - A counter roll ( | 01-27-2011 |
20110017646 | Apparatus For Washing And Dewatering Pulp - Apparatus for washing and dewatering pump comprising a pair of rotatable press rolls with permeable outer surfaces, a casing comprising a vat in which the rolls are installed, and a feed for feeding the pulp to the gap formed between the vat and the press roll is disclosed. The vat includes a first side vat segment partially enclosing the first press roll and a second side vat segment partially enclosing the second press roll and casing members for each of the vat segments, the first casing member being pivotable about an axis of rotation and between closed and open positions, pulp distribution devices for distributing pulp onto the press rolls, at least one of the pulp distribution devices being mounted on the casing member whereby it is moved away from the press roll together with the casing member when it is opened. | 01-27-2011 |
20100325912 | Method, a Blade Holder and a Doctor Apparatus for Detaching a Web Threading Tail From a Moving Surface in a Fiber Web Machine - In a method for detaching a web threading tail from a moving surface in a fiber web machine, the web threading tail ( | 12-30-2010 |
20100314476 | Refiner - A refining surface ( | 12-16-2010 |
20100294708 | APPARATUS FOR WASHING AND DEWATERING PULP - Apparatus for washing and dewatering pulp comprising rotatable press rolls including permeable outer surfaces and a casing comprising a vat in which the rolls are installed are disclosed. A feed for feeding the pulp through the gap between the vat and the outer surfaces of the press rolls is provided and the vat includes a vat segment providing at least one compartment between the vat segment and the casing, the at least one compartment extending along the longitudinal extension of one of the first and second rotatable press rolls and a pressure device to maintain the pressure in the at least one compartment corresponding to the pressure in the gap. | 11-25-2010 |
20100276097 | Arrangement and Method for Controlling Underpressure in a Drying Section of a Paper Machine or the Like - The object of the invention is an arrangement and a method for controlling underpressure in the drying section of a paper machine or the like in connection with a pocket space between two drying cylinders and one turn roll. The object of the invention is also a runnability component in a paper machine or the like, such as a board or a finishing machine. The runnability component comprises an entry side, a lower part and an exit side, which are in contact with each other and delimit the volume of a box-like runnability component, and a sealing element, which is arranged in connection with the entry side surface and which divides the surface into a first part and a second part. The runnability component is provided with a channel, which extends from the first part of the entry side surface to its second part and connects them. | 11-04-2010 |
20100276094 | Apparatus For Washing And Dewatering Pulp, A System For Controlling Such An Apparatus, And A Method For Processing Pulp In Such An Apparatus - Methods for processing pulp in an apparatus for washing and dewatering pulp and a system for controlling this apparatus are provided. The apparatus includes a pair of rotatable press rolls installed in vats and including a press nip therebetween, an inlet for feeding the pulp to the press nip, with one of the press rolls being movable in relation to the other and in which the processing of the pulp is determined by the number of variable operating parameters. The method includes utilizing the distance between the press rolls as a variable operating parameter, setting a desired value for a specific control parameter, measuring the specific control parameter, and adjusting at least two of the variable operating parameters during operation to maintain the difference between the desired value and the measured value of the specific control parameter below a predetermined difference. Systems for controlling this apparatus are also disclosed. | 11-04-2010 |
20100269997 | APPARATUS FOR WASHING AND DEWATERING PULP - Apparatus for washing and dewatering pulp including a pair of rotatable press rolls with a permeable outer surface in a casing including a vat in which the press rolls are installed is provided. A gap is provided between the vat and the press rolls as well as means for feeding the pulp into the gap between the rolls and the vat includes a first segment partially enclosing the first roll and a second segment partially enclosing the second roll, and casing members for each segment are pivotable about axes of rotation to open and close the casing, and the distance between the axes of rotation is less than the sum of the outer diameter of the two press rolls. | 10-28-2010 |
20100252215 | ARRANGEMENT IN CONNECTION WITH THE PRESS SECTION OF A WEB-FORMING MACHINE AND BOARD OR PAPER PRODUCED IN SUCH ARRANGEMENT - The invention relates to an arrangement in connection with the press section of a web-forming machine. The arrangement includes at least one press nip ( | 10-07-2010 |
20100252214 | Method and a Device for the Dewatering of a Fibre Suspension Supplied by a Nozzle Assembly - A vertically elongate and oriented container ( | 10-07-2010 |
20100243185 | APPARATUS AND METHOD FOR TREATMENT OF PULP - Washing apparatus as well as methods for washing and dewatering a cellulose pulp are disclosed comprising a rotary drum with outer compartments for pulp washing, and a stationary casing surrounding the drum to define an annular space between the casing and the drum which is divided into zones by longitudinal seals. The function of the seals is optimized by a force measurement device for measuring forces acting on the longitudinal seal for measuring a biasing force of a spring package in the measurement device and for measurement of a force acting on a load transmission shaft of the device as well as an extractor for extracting a force acting against the seal in a direction away from the drum. | 09-30-2010 |
20100226602 | Bearing Play Adjustment - A rotating machine is disclosed including a rotor, a stator, a radial bearing arranged for supporting radial forces between the rotor and the stator by mechanical contacts and a bearing housing. The bearing housing is provided in the stator or the rotor in direct mechanical contact with the radial bearing and the rotating machine further comprises a thermal energy exchanger, arranged in the bearing housing, and a thermal controller. The thermal energy exchanger is capable of providing both heat and cold, and the thermal controller is arranged to control the thermal energy exchange during operation of the rotating machine. The rotating machine is typically a large machine, such as a refiner. A method for vibration control of a rotating machine is also disclosed comprising measuring properties related to vibrational properties. | 09-09-2010 |
20100215857 | Doctor Apparatus and a Method for a Web Forming Machine for Doctoring a Moving Surface as Well as a Blade Holder - A doctor apparatus for a web forming machine for doctoring a moving surface with the doctor apparatus ( | 08-26-2010 |
20100206508 | DISTRIBUTION UNIT IN AN INLET BOX FOR A DEWATERING PRESS - A distribution unit for adding a fiber suspension to an inlet space in a dewatering press is disclosed. The distribution unit comprises a distribution housing, which forms at least one distribution slit intended to be connected to the inlet space of the dewatering press, and at least one inlet member for adding the fiber suspension to the distribution slit. The distribution housing is provided with at least one opening to the distribution slit and a matching hatch for sealing the opening. The hatch is hinged to the distribution housing so that it is pivotable relative to the distribution housing between a first position and a second position. An inlet box is also disclosed comprising a number of the distribution units. | 08-19-2010 |
20100206500 | APPARATUS AND METHOD FOR MANUFACTURING FIBRE MASS SUSPENSION - A fiber mass suspension is produced by mixing together a fiber material (FM) and water (W) in a pulper ( | 08-19-2010 |
20100204364 | ROLL COVER MATERIAL, USE THEREOF FOR PREPARING A COVER LAYER, AND METHOD OF MANUFACTURING AN ELASTIC ROLL COVER - The present invention relates to a roll cover material comprising a polymer matrix consisting of at least one elastomeric material and at least one stiffening agent on the basis of a nanomodified polymer material, the use thereof for preparing the outermost cover layer of a roll and a method of manufacturing an elastic roll cover. | 08-12-2010 |
20100200520 | Method and a Device for the Dewatering of a Fibre Suspension in a Vertical Elongate Container Formed of Two Endless Wire Bands - A fiber suspension is dewatered by being introduced from above into a container formed of a wider endless flexible wire band and a more slender endless flexible wire band, which mutually are lap joined at adjacent border parts, which carry a respective part of a coupling, the wider band being reshaped to a C-shape, by folding its border parts over one of the main surfaces, and bringing them into overlapping contact with the overlapping border parts of the extended more slender band. The screening pipe is established along a common longitudinal section of the tracks of the two wire bands, the lower end part of the screening container being kept substantially sealed, and the fiber suspension being introduced by elevated pressure to a centrally placed nozzle assembly with spray nozzles spaced-apart around the nozzle assembly, toward the screening pipe's inside. | 08-12-2010 |
20100186609 | PLUG SCREW FEEDER FOR FEEDING CELLULOSE PULP/CHIPS - A screw pipe unit intended to cooperate with and at least partly enclose a screw in a plug screw feeder for cellulose chips/pulp is provided. The screw pipe unit comprises a plurality of openings for filtrate dewatered from the chips/pulp in the screw pipe when the plug screw feeder is in operation. The screw pipe is, on at least a portion of its inner surface, provided with bars inclined with respect to the longitudinal axis of the screw pipe. The angle of inclination of the bars decreases in the longitudinal direction, from a first portion of the screw pipe unit with maximum inclination to a second portion of the screw pipe unit with bars substantially parallel to the axis, the second portion being further away from the inlet end of the screw pipe unit than the first portion. | 07-29-2010 |
20100155007 | Arrangement For Washing And Dewatering Cellulose Pulp - Apparatus for washing and dewatering cellulose pulp is disclosed comprising: a rotatable press roll having a perforated outer surface for dewatering the pulp; a stationary guide surface arranged at a distance from the perforated outer surface so as to enclose the press roll in the circumferential direction, such that a substantially closed vat is defined between stationary guide surface and the press roll; a pulp passage, being provided between the perforated outer surface and its stationary guide surface, such that during operation, pulp is transported in the direction of rotation and, at the end of the pulp passage, is pressed in a pinch between the press roll and a second press roll. A radial distance between the stationary guide surface and the associated press roll is generally increasing towards the pinch, such that the vat diverges, towards the pinch. | 06-24-2010 |
20100139882 | Installation Module for a Paper or Board Machine - A wet end of the machine comprises at least one vertical, self-supporting installation module ( | 06-10-2010 |
20100139880 | WIRELESS MOISTURE MEASUREMENT FOR THE ROLL COATINGS OF FIBER WEB MACHINES AND MEASURING EQUIPMENT - The various embodiments of the invention are connected to a radio-frequency identifier of the roll coating in a fiber web machine. The fiber web machine comprises a radio-frequency identifier (for example RFID, RFID-tag), so that the moisture content can be measured from the roll or from the roll coating of a fiber web machine. | 06-10-2010 |
20100132904 | ROLL COVER AND A COVERED ROLL - Invention relates to a roll cover and a covered roll for paper, board, finishing and tissue machines. More specifically it relates to a roll particularly used in calendar which roll comprises a metal roll body and a cover of a composite material on it. The cover has at least three layers which comprise polymer matrix and fiber reinforcement the material of the being different at least in successive layers. | 06-03-2010 |
20100126825 | Method and Apparatus for Handling Rolls - A sorting deck for paper, board, or pulp rolls has a plane ( | 05-27-2010 |
20100090048 | KNIFE SYSTEM FOR A DISC CHIPPER - A knife system of a disc chipper, the knife in said system being clamped to its operation position between a wear plate and a press block. The wear plate is supported to the knife disc adjustably for the inclination with respect to the surface of the knife disc. The adjustability is provided by means of a hinge and an adjustment strip. The hinge strip is located adjacent a knife and the adjustment strip is located at the next chip opening. A convergent space is provided for the adjustment strip. The adjustment strip is correspondingly wedge-shaped and has a position adjustable and locking means. | 04-15-2010 |
20100089313 | Rod Cradle, Instert to be Used in a Rod Cradle, and Method for Inserting a Rod in a Rod Cradle - A rod cradle for a film, coating, or dam rod includes a frame profile ( | 04-15-2010 |
20100074724 | METHOD OF SUPPORTING AN UNLOADING CONVEYOR BRIDGE - The invention relates to method of supporting a unloading conveyor bridge extending substantially horizontally at the bottom level of a bulk material pile storage, implemented as supports in the area of the bridge ends as well as in at least one point therebetween. At least one of the supports is positionally adjusted in the vertical direction. The support force is thereby kept substantially constant at the actual support point. For the adjustment can be used spring loading, fluid pressure loading or gravity loading, for example. | 03-25-2010 |
20100071480 | Load Measuring Device, Manufacturing Method for the Device and Control Method Using the Device - A load measuring device for measuring a load acting on an elastically deformable member, has a distance sensor for measuring a length change in response to a deformation of the deformable member under a load. The sensor has a sensing element and a reference element arranged such that a portion of the elastically deformable member is interposed between the sensing element and the reference element. For paper manufacturing or finishing, two members between which the load is measured are cooperating rolls, at least one of which is provided with an elastic cover. One of the rolls includes the sensing element and the other roll includes the reference element. Alternatively, the two members are a roll and a cooperating belt, one having an elastic cover. Also, the sensing element and the reference element may be formed in one and the same member. | 03-25-2010 |
20100065239 | Headbox Slice Beam Removal System and Device - An apparatus for the repair or maintenance of a papermaking headbox has two devices, one of which is used on the tending side and one of which is used on the drive side of the headbox. Each device has three parts, a lower bracket mounted to the headbox frame, an upper bracket mounted to the headbox slice beam, and a carriage which moves on a track formed on the lower bracket. The carriage is adjustably mounted to the upper bracket, and supports the slice beam which is attached to the upper bracket, and allows the slice beam to be precisely raised and lowered with respect to the headbox, so as to disconnect the slice beam from the headbox. Once separated, the slice beam is moved on the track, displacing it in the machine direction from the head box. | 03-18-2010 |
20100051736 | Reeling Apparatus for Fiber Web and Method of Reeling Fiber Web - The present invention relates to a reeling apparatus ( | 03-04-2010 |
20100048371 | PRESS ROLL FOR WASHING AND/OR DEWATERING PULP, AND A METHOD FOR MANUFACTURING OR REPAIRING SUCH A PRESS ROLL - Press rolls for washing or dewatering pulp are disclosed including a core, a mantle section attached around the core, at least one perforated roll plate extending around the circumference of the press roll, and including a plurality of mounting openings disposed between the end edges of the perforated roll plate and distributed around the entire circumference of the press roll, and a plurality of fixing pins corresponding to the mounting openings, each being anchored to the mantle section and surrounded by the corresponding plurality of mounting openings whereby movement of the perforated roll plate relative to the mantle section in a circumferential direction of the press roll is prevented. | 02-25-2010 |
20100043995 | SEALING ELEMENTS IN A TWIN-WIRE PAPER MACHINE - Twin-wire presses are disclosed for dewatering fiber suspensions comprising endless upper and lower wires defining a dewatering space, upper and lower wire guides for guiding the wires obliquely towards the inlet end of the dewatering space, and upper and lower wedge-shaped seals extending from an inlet box towards the dewatering space inlet to create a seal in the tapering space between the wires and the fiber suspension entering the dewatering space. The inner surfaces of the wedge-shaped seals define a passage for the fiber suspension and the outer surfaces extend at an acute angle towards the inner surfaces so that at least part of the seals are sealed against the wires and the distance between the inner surfaces of the seals is substantially equal to the distance between the wires at the dewatering space inlet. | 02-25-2010 |
20100043994 | End Part of an Air Dryer, Air Dryer, Method in the End Part of an Air Dryer and Use of Fan - The object of the invention is an end part ( | 02-25-2010 |
20100043993 | Method and a System for Controlling the Manufacturing or Finishing Process of a Fiber Web - A method and a system for controlling the manufacturing or finishing process of a fiber web at a transition stage of the process. In the method a corrected error profile (P | 02-25-2010 |
20100024996 | METHOD AND ARRANGEMENT FOR THE TREATMENT OF CELLULOSE PULP - A washer for washing and dewatering cellulose pulp is disclosed including a rotatable drum with a plurality of axial compartment walls defining a plurality of outer compartments, a stationary cylindrical casing enclosing the drum, and at least one axially disposed seal dividing the annular space between the stationary casing and the drum into a number of zones for treating the pulp. The function of the seals is optimized by units for seal adjustment which include a load cell for registering a pulse signal indicating the force acting on the seals, an extractor for deriving a pulse height parameter from the registered pulse signal and a motor for moving the seal radially with respect to the drum based on the pulse height parameter. | 02-04-2010 |
20100019076 | Refining Apparatus of Disc-Type - A disc refiner is disclosed, including a shaft, a rotatable disc and a stationary disc, both with refiner elements. Between the stationary refiner elements and the stationary disc, axially deformable chambers are arranged, filled with an incompressible hydraulic medium, whereby the stationary refiner elements can move angularly in order to adjust themselves tangentially in parallel to the refiner elements of the rotatable disc, and the incompressibility of the hydraulic medium prevents stationary refiner elements from moving axially and impairing the axial stiffness. | 01-28-2010 |
20090321031 | Method and Device in a Dryer Section of a Fibre-Web Machine, Such as a Paper or Board Machine | 12-31-2009 |
20090312168 | Elastic Roll Cover, Covered Roll and Method of Manufacturing a Covered Roll - An elastic roll cover for manufacturing or finishing of a fiber web material has at least one layer of rubber mixture, wherein the at least one layer of rubber mixture contains synthetic fiber polymer in powder form. | 12-17-2009 |
20090301529 | Arrangement for the treatment of cellulose pulp in a washing apparatus arranged with seal removing means - A washer for washing and dewatering cellulose pulp is disclosed, comprising a rotary drum with a plurality of external compartments, which compartments are defined by axial compartment walls distributed along the circumference of the drum, a stationary cylindrical casing enclosing the drum, whereby a ring-shaped space is defined between the casing and the drum, and which by means of longitudinal seals in the axial direction of the drum is divided into a forming zone for forming the pulp, at least one washing zone for washing the pulp, and a discharge zone for feeding out the washed pulp where the casing is provided with longitudinal through openings in the axial direction for each longitudinal seal, in which the longitudinal seals are placed so that the seal can be removed from the washer in a direction outwardly from the drum center. | 12-10-2009 |
20090301303 | Method and Apparatus for Degassing Coating Material - Coating material is fed into a vacuum container inside which are apparatus for separating gas from the coating material. The degassing apparatus ( | 12-10-2009 |
20090258149 | Forming Section - A forming section has a lower wire loop ( | 10-15-2009 |
20090250180 | Method for Controlling a Pulping Process - Please delete the Abstract as originally filed and substitute therefore the attached substitute Abstract which is submitted in both marked-up and clean copy versions. | 10-08-2009 |
20090236465 | Arrangement for Attenuating Vibration of a Roll Assembly - An arrangement of attenuating the vibration in a roll assembly of a fiber web machine, in which assembly the roll ( | 09-24-2009 |
20090236066 | Apparatus and Method for Removing a Broken Pulp Web From a Pulp Dryer - The invention relates to an apparatus and a method for removing a broken pulp web from a pulp dryer. The apparatus includes a maintenance platform arranged at the first or the second end of the pulp dryer, outside the walls of the pulp dryer; a device for shifting the maintenance platform in a substantially vertical direction to a desired height with respect to the pulp dryer, and an extraction device fixed to the edge of the maintenance platform facing the dryer for pulling a broken pulp web out of the pulp dryer. | 09-24-2009 |
20090229778 | Arrangement For Treatment Of Cellulose Pulp - A washer for washing and dewatering of cellulose pulp is disclosed, comprising a rotatable drum with a plurality of outer compartments for the pulp to be washed defined by axial compartment walls distributed along the circumference of the drum, a stationary cylindrical casing that encloses the drum, whereby an annular space is defined between the casing and the drum, the annular space divided by means of longitudinal seals in the axial direction of the drum into zones for forming, washing and discharge of the pulp. At least two of the longitudinal seals are arranged such that, when the drum rotates, they meet compartment walls at shifted points in time with respect to each other. Preferably, all of these longitudinal seals are arranged along the circumference of the drum at different positions with respect to respective opposite axial compartment walls. | 09-17-2009 |
20090218065 | Arrangement for the Treatment of Cellulose Pulp Involving Seal Positioning Means - A washer for washing and dewatering cellulose pulp is disclosed, comprising a rotary drum with a plurality of external compartments on the drum defined by axial compartment walls distributed along the circumference of the drum, a stationary cylindrical casing enclosing the drum, defining a ring-shaped space between the casing and the drum, and longitudinal seals in the axial direction of the drum diving the ring-shaped space into a forming zone for forming the pulp, at least one washing zone for washing the pulp at an overpressure, and a discharge zone, and where the longitudinal axial seals are attached to positioning cylinders for adjusting the radial position of the seals, and the longitudinal seal has an articulated connection with the positioning cylinders to make possible oblique positioning of the seal. | 09-03-2009 |
20090189008 | Reel-Up and Also a Method and Measuring Unit in Such a Reel-Up - A reel-up for reeling a fibre web where the fibre web to be reeled and a supporting body form a reel nip. The reel-up has at least one measuring body which is arranged in order to be influenced by a turning torque which is a function of the linear load in the reel nip. | 07-30-2009 |
20090188586 | Method and apparatus for drum debarking of wood - The invention concerns a method and an apparatus for drum debarking of wood, the bark being removed from the wood in a debarking drum being rotatable alternatively in the opposite directions and having different debarking properties in the alternative directions of rotation thereof. According to the invention, the wood and the loosened bark along with it are guided to a bark separation dependent on the direction of rotation of the debarking drum. | 07-30-2009 |
20090173467 | Static Dewatering Element for a Web Forming Machine and a Method for Covering a Static Dewatering Element Designed for a Web Forming Machine - A static dewatering element ( | 07-09-2009 |
20090166465 | Method in a Reel-Up and a Reel-Up - In a reeler, a reeling nip is formed by a reeling core or a growing machine reel and at least one loop of an endless supporting member, which is substantially continuous in the axial direction of the reeling core. Variables proportional to the tension of the endless supporting member are measured and the tension profile of the endless supporting member is determined or the cross-directional linear load profile of the reeling nip is measured. | 07-02-2009 |
20090165973 | Web-Forming Section and Method for Manufacturing Multi-Layer Web - A web-forming section of a paper or board machine has a first web-forming unit with a first fiber layer (W | 07-02-2009 |
20090120602 | Roll Body for a Press Roll - A press roll for washing pulp is disclosed, comprising a central drum and mantle section to which at least one perforated roll plate is attached, comprising a plurality of first and second chambers between the central drum and the roll plate. The chambers of each pair are separated from each other, the first chamber includes at least one inlet defining a radial flow path and the second chamber comprising at least one inlet defining a tangential flow path. At one end of the press roll, the first chamber includes a discharge and the second chamber is closed, and at the other end of the press roll, the second chamber includes an outlet and the first chamber is closed. | 05-14-2009 |
20090101298 | Arrangement for the treatment of cellulose pulp - A washing arrangement for washing and dewatering cellulose pulp is disclosed, comprising at least one rotary cylindrical element, against which the pulp is dewatered, and where a seal is located in an end seal holder, so that the seal has a contact surface against the rotary cylindrical element and an application surface placed against an applicator located in a groove in the end seal holder, where the seal has a longitudinal extension, which corresponds to either the entire or at least a greater part of the circumference of the cylindrical element, and is intended to seal against the end of the cylindrical element, and where the seal is a polymer ledge provided with an arming element. | 04-23-2009 |
20090090477 | FEEDER - A fluid transfer apparatus for bulk material is disclosed. The transfer apparatus includes a rotor mounted on a rotatable shaft and including axially extending flow channels extending through the rotor parallel to the shaft, flow connectors for connecting a low-pressure flow of fluid and a high-pressure flow of fluid into and out of the axially extending flow channels, a casing enclosing the rotor, a pair of axially sealing plates disposed between the ends of the rotor and the casing, a pressurizing fluid fed into the chamber defined by the casing to pressurize the rotor, the flow connectors, and the axially movable sealing plates. | 04-09-2009 |
20090078808 | Device for Aligning the Refining Disc of a Refining Apparatus - Apparatus for aligning a refining disc is a refiner is disclosed, the apparatus including a first wedge slidable along a support for the axle package of the refining disc, a second wedge disposed between the first wedge and a bearing housing in which the rotatable axle of the axle package is journalled, the second wedge being slidable transversely to the slidable movement of the first wedge, a controller for controlling displacement of the first wedge including an actuator at one end of the support and a control axle extending from the actuator to the first wedge, the control axle being rotatable and rotatably secured to the first wedge whereby operation of the actuator causes rotation of the control axle, which in turn causes displacement of the first wedge which causes transverse displacement of the second wedge. | 03-26-2009 |
20090072070 | Web winding cores and method of manufacture thereof - A paper, board or material web is wound in a winder of the two-drum type. Winding core ( | 03-19-2009 |
20090056895 | Method and a Device for Feeding Pulp from a Dewatering Unit - A device for feeding cellulose-containing pulp from a dewatering unit, the dewatered pulp being discharged via an outlet included in the dewatering unit to a reception means positioned below the outlet, whereupon the pulp is transported to a stand pipe via an inlet included in the stand pipe, in which stand pipe the pulp falls freely under the influence of gravity, the reception means being positioned at a higher level than the inlet of the stand pipe. At least one feeding down surface is arranged which extends from the reception means to the inlet of the stand pipe, and the transport of the pulp between the reception means and the inlet of the stand pipe is effected by feeding the pulp downwards along this feeding down surface under the influence of gravity, the pulp being diluted during the feeding of the pulp downwards. | 03-05-2009 |
20090053022 | Method and Apparatus for Transporting Rolls During Packing - The invention relates to a method for moving paper, board and cellulosic web rolls in a roll packaging system comprising a plurality of roll handling stations. According to the method, to the system are imported at least three rolls ( | 02-26-2009 |
20090038912 | Method and Apparatus for Turning Paper Rolls - Method and arrangement for changing the direction of travel of a reel being moved by a incoming conveyor ( | 02-12-2009 |
20090032630 | Method and a Device for Controlling the Alignment Between Refining Surfaces - Methods and apparatus controlling the alignment between refining surfaces of opposite refining discs are disclosed which are relatively rotatable and which are incorporated in a refiner for disintegrating and refining lignocellulose-containing material in a refining gap between the refining surfaces. The disclosed method includes positioning at least three sensors at least three measurement positions, measuring the vibrations at each of the measurement positions during refiner operation, and comparing each of the measured vibrations at each of the measurement positions with each other. The apparatus disclosed includes at least three sensors disposed in at least three predetermined measurement positions, each of the sensors comprising a vibration sensor disposed on a refining disc for measuring the vibrations at the measurement positions whereby measuring can take place during operation of the refiner and a comparator for comparing the measurements of the measurement positions to provide a comparison therebetween. | 02-05-2009 |
20090025249 | Method and Device in a Dryer Section of a Fibre-Web Machine, Such as a Paper or Board Machine - A fiber-web machine dryer section has a drying group with single-wire draw. A drying wire (F) presses the web (W) on a drying cylinder ( | 01-29-2009 |
20090020581 | Method and Arrangement in Tail Threading of a Web Forming Machine - In a web-forming machine, a threading tail is formed from the web. The threading tail is transferred to the production section ( | 01-22-2009 |
20090019723 | Method and Device in a Dryer Section of a Fibre-Web Machine, Such as a Paper or Board Machine - A fiber-web machine dryer section has a drying group with single-wire draw so the drying wire (F) presses the web (W) against heated cylinder surfaces with the web (W) at the side of the outside curve of reversing cylinders ( | 01-22-2009 |
20090014138 | Production of Pulp Using a Gaseous Organic Agent as Heating and Reaction-Accelerating Media - The invention relates to an improved process to break down lignin macromolecules and liberating cellulose fibers in lignocellulosic material using delignifying reactants with a gaseous organic agent as a heating and reaction-accelerating media. Lignocellulosic material is first impregnated with reactant chemicals, e.g. commonly used agents such as sodium hydroxide and sodium sulfide. Subsequently, the energy required for the delignification reactions is provided through heating with a gaseous organic agent such as methanol or ethanol, condensing and releasing energy to the solid lignocellulosic material. The temperature during the heating step with a gaseous organic agent is higher than the temperature during the impregnation step. | 01-15-2009 |
20090007451 | Arrangement and method for sealing of a pocket space between drying cylinders in a paper machine or similar, runnability component, and method for manufacturing a runnability component - The invention relates to an arrangement and a method for sealing of a pocket space between drying cylinders ( | 01-08-2009 |
20090005897 | Method for Supplying a Chemical or Chemical Compound in a Fibrous Web Machine and an Apparatus for Implementing the Method - A chemical or chemical compound (L) is supplied via at least two displacement pumps ( | 01-01-2009 |
20090000753 | Strip Means and an Improved Suction Roll for a Material Web Machine and an Arrangement and a Method for Improving the Duration of the Suction Roll - A sealing strip of a suction roll ( | 01-01-2009 |
20080315057 | Support Arrangement of Roll in Fibrous-Web Machine - A support arrangement ( | 12-25-2008 |
20080289784 | Method For Treating A Fibrous Web Downstream Of Slitting - The invention relates to a method for treating a fibrous web downstream of slitting. In the method, the finishing of a fibrous web for providing desired properties is performed by using one or more finishing units, at least one of which comprises a web processing apparatus provided with a metal belt. | 11-27-2008 |
20080283208 | Press, Method in a Press and Press Element for a Press - Press for a fibre web supported by a clothing, said press having first and second press elements that interact with each other in order to form an extended nip in a press zone for the clothing-supported fibre web, said first press element having: —a support; —a press body, being supported by the support; —an endless, flexible belt, sliding over and forming a closed loop around the press body; and —a support element, being placed inside the loop for supporting the belt, said clothing surrounding together with the belt between a first position and a second position along the loop, wherein at least the first position is located outside the press zone. According to the invention, the support element is located in the first position. The invention also relates to a method in, and a press element for such a press. | 11-20-2008 |
20080277086 | Twin-Wire Press - A frame for a twin-wire press is disclosed including pairs of side members including upper and lower side members arranged on opposite sides of the press, between which upper and lower rolls are attached, a plurality of transverse beams arranged between the pairs of side members which themselves are sections of flat sheet metal and spacers for mutually releasably connecting the side members with the sheet metal being formed so that it permits a degree of curing in the vertical plane to facilitate access to the space between the upper and lower rolls. A method for exchanging wire in a twin-wire press of this type is also disclosed. | 11-13-2008 |
20080273949 | Method and Apparatus for Transporting Rolls During Packing - The invention relates to a method for moving paper, board and cellulosic web rolls in a roll packaging system comprising a plurality of roll handling stations. According to the method, to the system are imported at least three rolls ( | 11-06-2008 |
20080264113 | Arrangement for the Treatment of Cellulose Pulp in a Washing Apparatus Arranged With a Reinforcing Frame - The present invention relates to a washing apparatus for washing of cellulose pulp comprising: a rotatable drum ( | 10-30-2008 |
20080245497 | Arrangement for the Treatment of Cellulose Pulp in a Washing Apparatus Adapted to Facilitate Service and Inspection of the Apparatus - The present invention relates to a washing apparatus ( | 10-09-2008 |
20080210806 | Winder Roll Starting Apparatus with Pressure Device for Thick Webs - A winder has a scraper mounted about the axis of a winder drum for circumferential movement. The scraper has a semi-cylindrical concave surface which extends in the cross machine direction, the concave surface meets a second surface to form a scraping edge. The scraping edge engages the winder drum, scraping a web from the surface of the winder drum and pressing the web into engagement with double-sided sticky tape on a winder core with the concave surface. | 09-04-2008 |
20080210107 | Actuator Means to Accomplish a Linear Movement - A regulating unit for accomplishing a linear movement includes a cylindrical frame part ( | 09-04-2008 |
20080209706 | Method and Device for Changing a Fabric in a Paper or Board Machine - A device has two units placed one on top of the other, each unit comprising a first side frame ( | 09-04-2008 |