| Patent Number |
Title Of Patent |
Date Issued |
| 6533899 |
Device for conveying and guiding a lead-in strip of a web in a paper machine |
March 18, 2003 |
| The invention relates to a device for conveying and guiding a lead-in strip in a paper machine, which device comprises a conveyor belt (20) which is permeable to air and in whose connection devices (15) are fitted by whose means a vacuum effect can be produced on the run (20A) of the con |
| 6530452 |
Reactive silencer for industrial air channels and its use |
March 11, 2003 |
| A reactive silencer intended for industrial supply air or exhaust air channels has a sound attenuator chamber (10), to which is fitted a partition wall (12) dividing the sound attenuator chamber into a first and second chamber part (14, 16). The partition wall (12) is fitted with two |
| 6526854 |
Method for cutting a web feeding tail and a corresponding cutting device |
March 4, 2003 |
| The invention relates to a method for cutting a web feeding tail and a corresponding cutting device. In the method the web feeding tail is detached from a roll and tension ed for cutting. The web feeding tail is cut by the blade of a cutting device, without a counter blade, and the cut |
| 6524229 |
Composite-construction roll and a method for manufacturing it |
February 25, 2003 |
| A composite-construction roll, includes a roll frame reinforced with reinforcing fibers, and a method for manufacturing such a roll. There is at least one optical fibre among the reinforcing fibers and the roll includes terminals arranged in this optical fibre for a transmitter and a |
| 6524227 |
Roll that can be bent for a web-like material |
February 25, 2003 |
| A roll that can be bent for a web-like material, which roll comprises a continuous tubular roll mantle (11) of composite material as well as axle journals (12) connected to each end of the roll mantle (11). The axle journals (12) are attached by means of at least one mechanism (30), by |
| 6523278 |
Dryer section |
February 25, 2003 |
| The invention concerns a dryer section, comprising at least one dryer group (R) that makes use of single-wire draw and/or twin-wire draw and at least one suction roll (10) with which the web (W) to be dried is in direct contact. The surface construction of the suction roll (10) is of a f |
| 6521095 |
Composite vane hinge in a headbox |
February 18, 2003 |
| A bracket of graphite epoxy has a cylindrical portion which hingedly fits within a dovetail groove extending in the machine direction across the injection face of a papermaking headbox. The bracket has downstream portions defining a vane-receiving slot which receives a plastic sheet |
| 6521092 |
Beam that can be bent for use in a paper or board machine |
February 18, 2003 |
| A beam with a continuous body (11) of a composite material has end pieces (13) fitted at each end of the body (11) and axle journals (12) fitted on the end pieces (13). Each axle journal (12) is supported on the frame constructions of the machine by means of a support construction (15, 2 |
| 6521090 |
Method and device for changing the natural frequency of a nip roll construction in a paper or bo |
February 18, 2003 |
| The invention concerns a method and a device for changing the natural frequency of a nip roll construction in a paper or board machine so that the rigidity of one or several loading elements, for example loading cylinder or loading beam, in the nip roll construction is varied. The lo |
| 6517685 |
Process arrangement for short circulation |
February 11, 2003 |
| The invention concerns the short circulation of a paper or board machine and in particular a simplified process arrangement for the short circulation, which arrangement comprises a metering system (20) for the stock (M) or stocks, pumps (110, 130, 170), a headbox (150), and a wire pa |
| 6517679 |
Method for determination of an irreversible stretch and of a dynamic modulus of elasticity |
February 11, 2003 |
| The invention concerns a method for determination of an irreversible stretch and of a dynamic modulus of elasticity from a paper web (W). In the method, the irreversible stretch and the dynamic modulus of elasticity are determined from h paper web (W) by means of on-line measurement. The |
| 6517430 |
Supply air system |
February 11, 2003 |
| A supply air system for supplying air e.g. into a machine room. The supply air system comprises a supply air unit (12), to which means are connected for supplying the supply air from the outside air to the internal space, and an air treatment unit (14) in which means (58, 64) are arrange |
| 6514379 |
Procedure for arranging water circulations in integrated paper mill |
February 4, 2003 |
| A procedure for arranging water circulations in an integrated paper mill, the paper making process of which having three partly separate process phases concerning the water circulations (I, II, III). In the first phase, the fiber raw material is pretreated, defibered and cleaned for prod |
| 6511015 |
Method and apparatus for stabilizing the running of a web in a paper machine or a like |
January 28, 2003 |
| A method and a device for stabilizing the web run in a paper machine or the like having a blow suction module (12) mounted above and/or below the web. The blow suction module comprises a blow nozzle unit (14) extending across the web, through which gas, such as air or combustion gas, is |
| 6510623 |
Dryer group in a dryer section of a paper or board machine and a dryer section of a paper or boa |
January 28, 2003 |
| A cantilevered frame in a paper machine dryer group of a dryer section supports a drying wire loop to run by at least one impingement drying unit positioned outside the loop. The frame structure (60) supports devices and rolls situated inside the wire loop (13) of the dryer group (R) whi |
| 6500308 |
Method for coating a press or transfer belt and a corresponding coated belt |
December 31, 2002 |
| A coated press or transfer belt and method for coating a press or transfer belt is disclosed, wherein a coating of one or more polymers and possible blend components and additives is formed on the surface of the belt. Coating is carried out by rotational molding, which is, as such known, |
| 6500304 |
Method and device for changing the natural frequency of a nip roll construction in a paper or bo |
December 31, 2002 |
| A method for changing the natural frequency of a nip roll construction in a paper or board machine. In the method, the bearing elasticity of a hydrostatic bearing element (10, 20, 30, 40) of at least one roll (1) in the nip roll construction is changed, in which connect the natural f |
| 6494993 |
Multi-layer web formation by means of a simple basic-stock system |
December 17, 2002 |
| The invention concerns multi-layer web formation by means of a simple basic-stock system and in particular a method for regulation of the properties of the different layers in a stock system that comprises several layers by means of additional stocks. The source (M) of basic stock is |
| 6494823 |
Take-out roll, spreader roll, or equivalent for a web-like material |
December 17, 2002 |
| A take-out roll, spreader roll or equivalent roll for a web-like material having three parts linked with one another, namely, a middle part and two end parts, one on each side of the middle part. The middle part and end parts are pivotal with respect to one another for the purpose of ben |
| 6494399 |
Method and apparatus for control of reeling |
December 17, 2002 |
| In the method for controlling reeling in a reel-up of a paper web, a paper web (W) is guided via a rotating reeling cylinder (1) around a reel spoil (2) into a reel (R) in such a way that the paper web (W) is passed onto the reel via a nip (N) between the reeling cylinder (1) and the ree |
| 6493938 |
Thermoplastic-coated roll, method for manufacture and calendering of the thermoplastic-coated ro |
December 17, 2002 |
| The invention concerns a thermoplastic-coated roll for a paper/board machine, a method for manufacture of the roll, a composition of a thermoplastic coating for the roll, a method of calendering by using rolls in accordance with the invention, and paper/board manufactured by means of |
| 6491793 |
Arrangement for fastening a turbulence vane to a headbox |
December 10, 2002 |
| An arrangement for fastening a turbulence vane to headbox where in the headbox, a groove running parallel to the width of the headbox is formed in a plate delimiting a slice chamber, in order to fasten the turbulence vane to the plate. A fastener is fitted to the rear edge of the turbule |
| 6488815 |
Arrangement for loading a deflection compensated roll or other elongated member in a paper/board |
December 3, 2002 |
| The invention relates to an arrangement for loading a deflection compensated roll (1) or other elongated member in a paper/board or finishing machine and for providing an articulation bearing assembly, the roll or elongated member being provided with a stationary support shaft (3) ex |
| 6482296 |
Integrated machine control method and machine control module |
November 19, 2002 |
| The present invention relates to a method for controlling a papermaking machine/board machine/tissue machine or the like, which papermaking machine/board machine/tissue machine or the like includes basic unit assembly groups, such as a headbox, a wire section, a press, a drying secti |
| 6482293 |
Method and device in tail threading |
November 19, 2002 |
| The invention relates to a method in tail threading, in which a lead-in strip, tail (T) separated from the edge of a paper web is guided between two elongated mobile means in a paper web conveying machine and transferred forward between these two means along a given portion in the ma |
| 6475342 |
Method of and arrangement for treating a fiber web |
November 5, 2002 |
| The invention relates to a method and arrangement for moistening a substantially dry fiber web and subjecting the moistened web to heat and compression. |
| 6474589 |
Change device of a reel-up and method for changing a roll |
November 5, 2002 |
| A change device of a reel-up in placed in the reel-up of a paper web in connection with the reel spool (2) forming the core of a new roll and located against the web (W) running onto the old roll (R). The change device comprises a guiding device (3) which is provided with nozzles or |
| 6471827 |
Method and device for measurement of the retention profile and for control of the retention in a |
October 29, 2002 |
| A sample collecting device takes samples from the white water drained from the web through the wire in the wire part, at a number of points in the cross direction of the web. An analyzer analyses the samples and forms a retention profile for controlling the paper machine. The device for |
| 6471006 |
Method in the hydraulic roll control system of a papermaking machine or the like and a multipres |
October 29, 2002 |
| Oil is pumped from a tank (10) to points of service in the hydraulic roll control system of a papermaking machine, wherein the oil is pumped at least at one low pressure level such as is required for the lubrication of the roll bearings and/or drive gearbox and at least at one high press |
| 6464835 |
Equipment and method in a twin-wire former |
October 15, 2002 |
| The invention concerns an equipment and a method in a twin-wire former, in which a partly pre-drained or non-drained fiber stock is passed to between the forming wires of the web former in the vicinity of the former roll (11) or of a water drain box, in which connection water is drained |
| 6464163 |
Method and device in a paper machine, coating machine, intermediate winder, unwind stand of a sl |
October 15, 2002 |
| The invention concerns a method and a device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web. In the event of disturbance, the web (P) is made to be wound in a controlled way around at least one web |
| 6461687 |
Method for manufacturing a paper or board machine and coating composition therefor |
October 8, 2002 |
| A roll for use in the manufacture of paper and board, a press roll, in particular a center roll in a press, a backup roll for an extended-nip press roll, a hot press roll, or equivalent, which is in direct contact with a wet paper web, or a calender roll, a method for manufacturing the |
| 6458247 |
Loading arrangement in a paper machine doctor |
October 1, 2002 |
| A loading arrangement in a paper machine doctor includes a blade carrier, a blade holder, and loading devices to turn the blade holder in relation to the blade carrier and thus to press the doctor blade against the surface to be doctored. The loading devices include at least one operatin |
| 6458246 |
Papermaking machine for forming tissue employing an air press |
October 1, 2002 |
| A web of tissue is formed in a crescent former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics move over vacuum boxes, and the we |
| 6454685 |
Method and arrangement for removing oil from a roll |
September 24, 2002 |
| A method and arrangement is disclosed for removing oil from a roll, in which, inside a rotatable shell, there is a fixed axle beam, which supports loading shoes directed against the inner surface of the shell. An oil guide attached to the loading shoes creates an inwardly-directed jet |
| 6447648 |
Anisotropic reinforced ribbon-cast blanket for extended nip press |
September 10, 2002 |
| A Conventional blanket material, preferably a woven fabric or scrim, is formed into a loop of the desired dimensions and impregnated and coated with a two-component urethane resin. As the urethane is applied to the woven substrate, short fibers are introduced into the urethane through a |
| 6447646 |
Doctor assembly in a paper machine with a jointed bearing |
September 10, 2002 |
| The invention relates to a doctor assembly in a paper machine, which is intended to clean, e.g., a roll, and which includes a surface against which a doctor blade is set, a blade support for supporting the doctor blade, a frame, a jointed bearing assembly, which supports the doctor b |
| 6446356 |
Method of controlling the drying process in a drying section of a paper machine or the like |
September 10, 2002 |
| A method for controlling the drying process taking place in the dryer section of a paper machine. The dryer section comprises at least one drying cylinder unit and at least one air impingement unit. Optimal evaporation is first compiled in a manner known, for example, on the basis of |
| 6443880 |
Arrangement for removing oil in a roll |
September 3, 2002 |
| The roll comprises a stationary support construction (11) and a roll mantle (12) revolving around the construction, which mantle is supported from its inner face (12') on the support construction (11) by at least one hydraulically loaded loading member (13), by which the roll mantle (12) |
| 6440271 |
Method and apparatus in moistening of a web |
August 27, 2002 |
| In the method in moistening of a web, water is applied with a wetting device (2) in a predetermined point on the surface of a paper web (W) or the like passing by the point, and the web is thereafter passed to a calender (C). The liquid is applied at such an early stage that before the |
| 6432275 |
Headbox of a paper/board machine by whose means the basis weight of the web can be regulated |
August 13, 2002 |
| The invention concerns a headbox for a paper/board machine by whose means the basis weight of the web can be regulated. The headbox comprises a stock inlet header (J.sub.l), which becomes narrower towards its end. Tubes (11a.sub.1, 11a.sub.2 . . . ) in a tube bank (11) open in the stock |
| 6432273 |
Former-press section in a paper machine and method for transfer of the web from the former to th |
August 13, 2002 |
| The invention relates to a former-press section (100, 110) of a paper machine and to a method of transferring a web from a former to a press section. Between the former section (100) and the press section (110) there is a pre-press zone (PP) which removes water from the web (W) and t |
| 6428655 |
Integrated paper machine |
August 6, 2002 |
| The invention concerns an integrated paper machine, which comprises, in the running direction of the web, a multi-layer headbox (100), a gap former (200), in which there is at least one pre-press (303, 304), a press section (300), in whcih there is at least one extended-nip press (308, |
| 6427940 |
Method and device in winding of a web |
August 6, 2002 |
| The invention concerns a method in winding of a web in a centre-drive winder, wherein the roll that is being formed is loaded and/or supported by means of a rider roll unit (40) whose position can be varied and which consists of at least two rolls (42). In the method, the force that is |
| 6423185 |
Process of surface treatment for faces that become contaminated in a paper or board machine |
July 23, 2002 |
| The invention concerns a process for treatment of faces that contain chromium or aluminum in a paper/board machine or in a finishing machine. A fluorine compound of low surface energy is applied onto the face, which compound is made to adhere to the chromium or aluminum atoms in the face |
| 6423184 |
Method and equipment for regulation of the initial part of the dryer section in a paper machine |
July 23, 2002 |
| A method and an equipment for regulation of the initial part of the dryer section in a paper machine. Moisture is removed from the paper web in the press section (10) and the paper web is dried in the dryer section (R). The paper web is dried against heated faces of drying cylinders (20) |
| 6418840 |
Calendering method and a calender that makes use of the method |
July 16, 2002 |
| A calendering method and calender in which a web material is passed through a calender, the calender being defined by two rolls having resilient roll coatings and being loaded towards each other so that due to the resilient nature of the roll coatings an extended nip is defined. Each of |
| 6418639 |
Method and device in the dryer section of a paper/board machine |
July 16, 2002 |
| The invention concerns a method and a device in the dryer section of a paper/board machine. In the dryer section a normal single-wire draw is applied at least partly, in which method the web (W) is passed through the dryer group on support of a drying wire (H). The drying wire (H) presse |
| 6416843 |
Caring doctor blade and method for manufacture of same |
July 9, 2002 |
| The invention concerns a caring doctor blade for a paper/board machine, which blade comprises layers of fiberglass and carbon fiber and a caring layer as a rigid laminated structure, which caring layer comprises carbon fiber and grinding particles in direct vicinity of the carbon fibers. |
| 6416632 |
Apparatus for degassing an aqueous suspension containing pulp fibers |
July 9, 2002 |
| An apparatus for degassing an aqueous suspension containing pulp fibres, the apparatus comprising an elongated horizontal reservoir and a bypass manifold extending into the reservoir. The bypass manifold is placed inside the reservoir such that it it positioned substantially within the |
