| Patent Number |
Title Of Patent |
Date Issued |
| D514265 |
Dryer of a web-like product, such as a paper web |
January 31, 2006 |
|
| D492072 |
Body of a dryer of a web-like product, such as a paper web |
June 22, 2004 |
|
| 7618518 |
Composite doctor arrangement |
November 17, 2009 |
| A composite doctor arrangement for a web forming machine or web handling machine has a beam structure (10) with a mounting piece (13) fitted to it. A blade holder (11) is fitted to the mounting piece, with a blade (12) fitted to the blade holder (11). The mounting piece (13) is fitted |
| 7610823 |
Perpetual bidirectional ratchet |
November 3, 2009 |
| A two directional traversing mechanism uses a ratchet bar moved by an actuator to oscillate. Notches in the ratchet bar engage a pawl pivotally mounted to a piece of equipment so that the pawl and equipment move in the first direction. When the direction of the ratchet bar is reversed |
| 7608165 |
Multi-layer web formation section |
October 27, 2009 |
| A multi-layer web formation section has at least two successive wire units (300, 310). First and second headboxes (100, 110) supply pulp suspension jets to the forward end of the first wire unit (300) and the second wire unit respectively to form a first partial web (W1) and a second par |
| 7608149 |
Nozzle |
October 27, 2009 |
| A nozzle (1) for use in coating a web-like material by means of high-pressure spraying techniques is manufactured by forming a piece having a tapered duct ending in a closed tip, with a transverse V-shaped groove (3) subsequently machined in the tip. The angle of the V-shaped groove |
| 7600545 |
Processing apparatus of wood to be chipped |
October 13, 2009 |
| The present invention concerns an apparatus for receiving and feeding into a chipper wood to be chipped, said apparatus containing a feed conveyor receiving log bundles, a tumbling drum breaking the bundles, and a receiving conveyor. The feed conveyor is speed-controlled according to |
| 7584772 |
Method for clamping a knife in a disc chipper and a knife clamp for a knife assembly |
September 8, 2009 |
| The invention concerns a method for clamping a knife of a disc chipper, wherein the knife is pressed from the knife disc via knife a clamp against a wear plate in a diagonal position (.alpha.) with respect to the plane of the knife disc with a compressive force (N) substantially para |
| 7584674 |
On-line measurement for a pressure profile |
September 8, 2009 |
| A method for measuring a nip pressure and/or a pressure profile is provided, wherein a nip-forming roll is fitted with a pressure sensor under a coating layer which is protective and functions as a spring on top of the sensor, and the nip pressure delivers to the bottom surface of th |
| 7582189 |
Method for optimizing production of paper or board |
September 1, 2009 |
| The invention relates to a method in the manufacture of a fiber-based web-like product for optimizing the operation of the process being used, in which method quality factors are defined for the product being manufactured control variables, which affect the state of the process, or q |
| 7575657 |
Method and apparatus for reducing the amount of sludge produced in a pulp and/or paper mill |
August 18, 2009 |
| Method and apparatus for reducing the amount of sludges produced in a pulp and/or paper mill. The sludge produced in a pulp and/or paper mill as a result of waste water treatment is conveyed to solid fuel and the produced fuel-sludge mixture is burned in a power boiler. The solid fuel |
| 7575013 |
Method and arrangement in the manufacture of coating |
August 18, 2009 |
| Coating is manufactured by mixing two or more components together in two or more mixing zones arranged in series and/or in parallel, of which at least some are pressurized. |
| 7569265 |
Seal strip for a suction roll |
August 4, 2009 |
| The invention relates to a suction roll seal strip and a method for manufacturing it from a mixture, which mostly consists of nitrile rubber and graphite. A seal blank is formed from the mixture and hardened at a chosen temperature. The mixture to be hardened includes wax. |
| 7564363 |
Method and measuring arrangement for monitoring the condition of a grinder stone of a pulp grind |
July 21, 2009 |
| A method and a measuring arrangement for monitoring the condition of a grinder stone of a pulp grinder. A temperature profile for a grinding surface of the grinder stone is determined substantially along the entire length of the grinder stone, a variable representing at least one piece |
| 7559883 |
Beam structure for a paper, board or finishing machine |
July 14, 2009 |
| A beam structure for a paper, board or finishing machine is suited for use in all applications where, for instance, a doctor or a coating device or a measuring device needs to be supported on a cross-directional beam of a paper or board machine. The beam (50) has an inner and outer shell |
| 7559182 |
Method and arrangement for placing reel end shields |
July 14, 2009 |
| The invention relates to a method and arrangement for placing end shields on the ends of paper, pulp, or board reels (1) in connection with packing. The arrangement comprises at least one first conveyor (1) for transporting the reels (3) in a direction parallel to their axes and at l |
| 7549370 |
Actuator means to accomplish a linear movement |
June 23, 2009 |
| A regulating unit for accomplishing a linear movement includes a cylindrical frame part (1) having a cylinder part (11) and cylinder head (12), which define a piston space (131, 132), and a piston unit (2) to be moved by a pressurized medium in the piston space. The height of a first |
| 7540941 |
Method and apparatus in the surface sizing of a paper or board web |
June 2, 2009 |
| An applicator device (1) applies surface size to at least one side of a web (W). A pressure effect is applied to the web (W) by subjecting the web (W) to an underpressure and/or to an overpressure such that surface size is forced to penetrate into the pores of the web. Most advantage |
| 7540366 |
Method for centering of rolls |
June 2, 2009 |
| The invention relates to a method for moving paper, board and cellulosic web rolls in a roll packaging system having a plurality of roll handling stations and at least one indexing conveyor capable of operating on at least two elevation levels. According to the method, the rolls are move |
| 7536806 |
Arrangement in a paper machine |
May 26, 2009 |
| An arrangement and method for improving runnability, and dryer section length, by using a vertical impingement dryer before a first dryer cylinder of a group of dryer cylinders. After a pressing section, the web is dried with a pre-impingement dryer, closely followed by a vertical im |
| 7520963 |
Equipment for moving the roll of a paper machine |
April 21, 2009 |
| Equipment for moving a roll in a paper machine has a movable cradle (13) for attachment to a roll (10). Two pairs of masses (16, 17) are supported rotatably on the cradle (13), in each of which there is an own drive shaft (18) for rotating the pairs of masses (16, 17). Drive devices (19) |
| 7510069 |
Vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine |
March 31, 2009 |
| A vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine has a frame construction (15) and an air permeable belt loop (20), which is arranged around rolls (16, 17). The vacuum belt conveyor also has a first vacuum means (22) for creating a vacuum effect |
| 7507314 |
Vane intended for a headbox of a paper machine and method for ensuring the straightness of a van |
March 24, 2009 |
| A vane intended for a headbox of a paper machine or equivalent is moistened and enclosed in a vapor-proof package to ensure the straightness of the vane. At least a portion of the vane is made of a water-absorbing material, such as plastic or a composite. Advantageously, the vane con |
| 7506767 |
Method for manufacturing screen cylinder and screen cylinder |
March 24, 2009 |
| A method is provided for manufacturing a screen cylinder, as well as a screen cylinder with screen wires in the axial direction of the screen cylinder set at predefined intervals into a cylindrical screen surface and fastened to support rods, with end rings are arranged at the ends of |
| 7503519 |
Winder roll starting apparatus with pressure device for thick webs |
March 17, 2009 |
| 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 |
| 7502661 |
Method for calculating and optimizing the diameter of a paper or board web reel based on custome |
March 10, 2009 |
| A web is wound in a paper or board machine into machine reels, which are run on a slitter-winder to form customer rolls, whose desired diameter and width are determined according to customer need. A continuous-trimming running mode is used in which a desired amount of web is run into |
| 7500553 |
Belt conveyor for transferring a web threading tail in a web manufacturing machine and a method |
March 10, 2009 |
| A belt conveyor for transferring a web threading tail in a web manufacturing machine has a frame construction (15) and a belt loop (20), which is arranged around rolls (16, 17). The belt conveyor has adjustment elements (21) for changing the relative position of the rolls (16, 17). T |
| 7492271 |
Method and device for monitoring the condition of shoe roll |
February 17, 2009 |
| The condition of a shoe roll is monitored by a device which continuously analyzes the lubricant used in a lubrication system (14) integrated with the shoe roll. The analysis determines the amount of contaminant particles which have entered the lubricant. Particles (19) originating fr |
| 7491295 |
Dewatering element having non-pulsing dewatering followed by pulsing dewatering |
February 17, 2009 |
| A forming section of a paper or board machine 10 in the forming section of a paper or board machine has a cover 36 having an outlet groove 20 between a suction zone 18 of circular holes and an outlet edge 40. A wire comes to the cover area from an inlet edge 38 and leaves from an outlet |
| 7491160 |
Grooved forming roll |
February 17, 2009 |
| A grooved forming roll in a paper machine has a rotably supported shell (20) with circular openings (21) arranged to be open at least on the outer surface of the shell (20). Each opening (21) has a circular groove which is formed on the outer surface and which is arranged concentrically |
| 7485206 |
Apparatus in connection with a headbox of a paper machine or equivalent |
February 3, 2009 |
| A headbox apparatus of a paper machine or equivalent has a body (11). Dilution water (arrow L.sub.2) is conducted through at least two rows of ducts (12a.sub.1, 12a.sub.2 . . . ) into each body mixing chambers (13a.sub.1, 13a.sub.2 . . . ). Each mixing chamber (13a.sub.1, 13a.sub.2 . |
| 7472860 |
Method for winding a board, paper or material web and a winder for a paper, board or material we |
January 6, 2009 |
| A paper, board or material web is wound in a winder of the two-drum type. Winding core (10) ends placed against each other are coupled to be on the same axis of rotation during winding by severing cuts (12U, 12N) which are formed in the ends (11A, 11B) of the winding cores (10) and which |
| 7461744 |
Apparatus for separating fibers from reject material |
December 9, 2008 |
| An apparatus for separating fibers from reject material produced in the manufacture of recycled pulp. The apparatus comprises a rotating reject cylinder provided with openings, to one end of which the reject material is fed and from the other end of which it is discharged, water nozzles |
| 7458539 |
Winder roll starting apparatus for thick webs |
December 2, 2008 |
| 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 |
| 7455259 |
Method for controlling the structure of a fibrous web roll, for example, a paper or board roll |
November 25, 2008 |
| The structure of a fibrous web roll is controlled by winding a fibrous web (W) into a fibrous web roll (15) through a winding nip (N) between the fibrous web roll (15) being formed and a winding drum (13). The structure of the fibrous web roll (15) being formed is controlled by regulatin |
| 7452579 |
Method for manufacturing a coating for a roll |
November 18, 2008 |
| The invention relates to a method for manufacturing a roll coating onto a roll frame (1), which coating comprises a base layer (2) on the roll frame (1) and a surface layer (3) on the base layer (2). The base layer (2) is brought to its final form after the surface layer (3) has been |
| 7449671 |
Method and apparatus for reeling control having an electromagnetic radiation detection |
November 11, 2008 |
| In a method and an apparatus for controlling reeling used in connection with the making of paper/board/some equivalent web-like material, a reeler is used in the reeling which has a reeling element (2), a reeling core (T), around which the web (W) is reeled to form a reel (3), as well |
| 7444862 |
Web tension profile measuring method and roll applying the same |
November 4, 2008 |
| A method and a roll for measuring a tension profile is provided. The roll has planted on its surface a spirally helical pressure-sensitive film sensor, such as an EMFi pressure-sensitive film sensor, which makes contact with a web obliquely and which, co-directionally with the web, h |
| 7438784 |
Method and apparatus for calendering a paper or paperboard web |
October 21, 2008 |
| A method and a device for calendering a paper or paperboard web, in which the web is led first into a calendering step and then into a reeling step. At least one edge area of the web is calendered separately in the reeling step. |
| 7435315 |
Arrangement for stabilizing a web |
October 14, 2008 |
| The object of the invention is an arrangement for stabilizing a paper web (3) in a paper machine, which arrangement comprises at least three cylinders (4, 5, 6) which have been arranged so that a pocket space is formed between them, a blow box (7) arranged in the pocket space, which |
| 7429311 |
Method and assembly for moistening a moving web or paperboard |
September 30, 2008 |
| A method and assembly is disclosed for moistening a web of paper or paperboard, the assembly comprising a steam blow cavity open toward a moving web (1). The steam blow cavity houses spray nozzles (5, 6, 7) at least for injecting steam into the cavity so as to form a steam atmosphere |
| 7429310 |
Method, arrangement and equipment for tensioning and guiding a fabric in a paper or board machin |
September 30, 2008 |
| A paper or board machine has a fabric (10) that is adapted mobile as well as rolls (11, 11') arranged to support the fabric (10). The fabric (10) is tensioned by changing the position of one roll (11') of the rolls (11, 11'). Correspondingly, the fabric (10) is guided by changing the |
| 7422662 |
Sealing arrangement against a moving fabric |
September 9, 2008 |
| The invention relates to a sealing arrangement (7) against a moving fabric (4b) in a paper machine or the like. The sealing arrangement includes a stiff sealing element (9) placed on the fabric's (4b) side on the entire width in connection with a paper sheet (4a) supported by the fabric |
| 7422661 |
Equipment for leading a web threading tail in a paper machine |
September 9, 2008 |
| Equipment for leading a web threading tail in a paper machine has at least two sequential surfaces (11) in the direction of travel of the web threading tail (10), between which a nozzle (12) is arranged to form a directed air blast and thus to transport the web threading tail (10). The |
| 7419571 |
Method for controlling the temperature of a cellulosic web entering a dryer |
September 2, 2008 |
| The invention relates to a method for controlling the temperature of a web, which is formed from cellulosic pulp and is to be passed to a dryer, by way of applying temperature-controlled liquid to the web. According to the invention, the thus formed web is passed into a closed space defi |
| 7419112 |
Refining surface and a blade segment for a refiner |
September 2, 2008 |
| A refining surface of a refining member, adapted for use with a refiner for defibrating a lignocellulose-containing material, is provided. Such a refining surface comprises a plurality of first grooves, each first groove being defined between two adjacent first bar portions of the re |
| 7415774 |
Method and arrangement for measuring the position of a circular object |
August 26, 2008 |
| Method and arrangement for measuring the position of the end shields of a paper, pulp, or board reel relative to the grab (1, 2) transporting it, when an end shield is attached to the grab (1, 2). During measurement, a detector (7) is moved along such a curve of a circle that can be assu |
| 7413632 |
Method for calendering a fibrous web and a calender |
August 19, 2008 |
| A calender includes at least two roll stacks which each have at least three rolls, and in each of which the web path of a fibrous web meanders between each roll pair of the stack. In order to produce a selectable fibrous web grade, the web is passed between each roll pair of each sta |
| 7407563 |
Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equ |
August 5, 2008 |
| An apparatus in the treatment of stock passed to a headbox of a paper machine or equivalent includes at least two stock chests (10a.sub.1, 10a.sub.2). Stock (M.sub.1) from a first stock chest (10a.sub.1) is passed along a line (a.sub.1, a.sub.2) to a hydrococyclone plant (20) in the |
| 7407562 |
Method, system and calendar for controlling the moisture profile and/or moisture gradient of a p |
August 5, 2008 |
| The moisture profile and/or moisture gradient of a paper web of at least SC quality paper is controlled in a paper machine comprising a calender (1) which has at least two roll stacks (21, 22; 31, 32), one stack has at least three rolls and another has at least five rolls. The web is |
