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WO/2000/043592A1 |
Seal strip (1) for a hollow circular cylindrical screening device (2), which screening device is intended to be used in a paper or cardboard machine for the production of paper or cardboard, said seal strip exhibiting indicator means (5)...
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WO/2000/039392A1 |
The present invention relates to an apparatus (2) and a process for drying a fibre web (4), e.g. a web of paper or paperboard, the apparatus comprising an adjustable heated press nip (6) including at least one pressure device, such as a ...
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WO/2000/034570A1 |
A shoe press in a wire part with headbox and forming wire (4), which shoe press comprises a shoe press roll (14) outside and a counter roll (13) inside the loop of the forming wire, and an outer clothing (15) running outside the forming ...
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WO/2000/034571A1 |
A press in a wire part having a headbox (3) and a forming wire (4), which press has a first press member (13), arranged in the loop of the forming wire (4), a second press member (14), arranged outside the loop of the forming wire (4), w...
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WO/2000/032868A1 |
The invention relates to a system of loading and controlling a press nip in a paper or board machine. The press nip (N) is formed as an extended nip press which comprises a loading shoe (14) which is arranged to be loaded by means of two...
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WO/2000/024965A1 |
The invention concerns a method and a device for impulse dewatering, in which method a paper or board web (10) is pressed in an extended press zone (I...IV) formed between a heatable backup roll (20) and a press shoe (18). Seen in the di...
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WO/2000/020680A1 |
Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (1...
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WO/2000/020682A1 |
Method of producing an impulse dried wetlaid fibrous web-shaped material, such as paper or nonwoven, having a three-dimensional pattern of alternating raised and recessed portions, which have been provided in connection with impulse dryi...
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WO/2000/020684A1 |
Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions, which has been provided in connection with impulse drying, at which the wet paper web (10) is passed through at least one press n...
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WO/2000/020683A1 |
Method of producing an impulse dried paper having a three-dimensional pattern of alternating raised and recessed portions, which have been provided in connection with impulse drying, at which the wet paper web (10) is passed through at l...
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WO/2000/020685A1 |
Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions, which has been provided in connection with impulse drying, at which the wet paper web (10) is passed through at least one press n...
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WO/2000/020681A1 |
Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying. The paper web has a varying material composition as seen in its thickn...
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WO/2000/019010A1 |
The invention relates to a lubricating arrangement and a method when impulse-pressing a fibre web in presses having an extended press nip, such as shoe presses. The arrangement comprises a first press surface and a pressing member (5) ar...
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WO/2000/017530A1 |
The roll comprises a stationary support construction (11) and a roll mantle (12) revolving around said construction, which mantle is supported from its inner face (12') on the support construction (11) by means of at least one hydraulica...
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WO/2000/017447A1 |
A doctor arrangement for roll presses includes for each press roll (1, 2) a web transfer device (6, 7) which lies in abutment with the barrel surface of its respective roll or in abutment with a wire mounted on said barrel surface. The w...
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WO/2000/017445A1 |
A press section in a machine for manufacturing a web (1) of fibrous material, comprising a shoe press with extended press nip, said shoe press having a counter roll (2) with a cylindrical press body (6); a press shoe (3) with a concave s...
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WO/2000/014328A1 |
A process and an apparatus for making a papermaking belt (90) are provided, the belt comprising a reinforcing structure (40) and a resinous framework (50) joined together. The preferred continuous process comprises the steps of depositin...
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WO/2000/009914A2 |
Pressurized web treatment systems (1) include a moving web (2) that passes through a pressurized treatment chamber (7) having a sealing assembly (6A,6B) with a leakage control system. Leakage control is achieved by the cooperative effect...
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WO/2000/009804A1 |
The invention concerns a method and a device in a paper machine for transfer of the paper web (W) that was formed in the former section (1) to the press section (2), in which method a pick-up point (P) is formed in connection with the we...
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WO/2000/008252A2 |
A method and apparatus for producing paper or board, according to which the paper or board web is transferred continuously supported through a drying section of a paper or cardboard machine and both sides of the web are treated with a tr...
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WO/2000/006825A1 |
An endless air pumping belt (42) for a paper machine press section includes a void containing collapsible resilient elastomeric body portion (48) and a sheet contacting surface layer (44) which is permeable to pressurized gas and substan...
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WO/2000/001880A1 |
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 ...
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WO/1999/066122A1 |
The invention relates to an apparatus and a method for drying pulp. The apparatus for drying pulp comprises at least a wire section (2), which receives the pulp to be dried from a head box (1) or the like, as well as a press assembly, co...
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WO/1999/063154A1 |
The invention relates to a composite shell (1) for a nip roll in a paper/roll or finishing machine and to a method for manufacturing a composite shell. The shell (1) is provided with means (2, 4), extending at least partially in its dept...
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WO/1999/061700A1 |
An arrangement for fastening a press jacket to a press roll end. In the arrangement, thinnings (8) are formed at an edge of the press jacket (3) and the press jacket is fastened to the roll end by means of holes (9) formed at the edge of...
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WO/1999/060203A1 |
A paper or board machine having a double-felted first press nip and a double-clothed second press nip. According to the invention the first press nip has a suction roll (11) with a suction zone (49), the downstream end (51) of which is s...
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WO/1999/060202A1 |
A press section in a paper machine, which press section comprises at least two separate press nips (NP1, NP2; N1, N2, N10, N20, N30, NP10, NP11, NP20, NP21, NP30). The paper web (W) is passed through these nips as a closed draw. In the p...
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WO/1999/058761A1 |
The invention relates to a roll for a paper/board or finishing machine, which is provided with a metal-constructed shell (1). In a roll of the invention, the shell (1) is designed as a composite structure, comprising in the axial directi...
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WO/1999/055959A1 |
Significant improvements in papermaking control can be achieved by employing an array of sensors that are positioned underneath the wire of the machine to measure the conductivity of the aqueous wet stock. The conductivity of the wet sto...
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WO/1999/055956A1 |
The invention concerns a press section in a paper machine and a method for replacement of the press fabrics in said press section. The press section comprises two separate press nips (NP¿1?, NP¿2?). In the press section there is a fram...
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WO/1999/055960A1 |
A process and an apparatus for making a differential density cellulosic web comprising a first plurality of high-density micro-regions and a second plurality of low-density micro-regions are disclosed. The process comprises the steps of ...
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WO/1999/054546A1 |
A method for manufacturing a resin-impregnated endless belt structure having a texturized outer surface requires the use of a support structure, either a cylindrical mandrel or a pair of carrying rolls, having a texturized surface. An en...
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WO/1999/054741A1 |
System and method for producing paper that employ an apparatus for measuring electrical characteristics of a fibrous composition. The apparatus comprises a plurality of conductivity (or resistance) detectors (26) each comprising a sensor...
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WO/1999/054547A1 |
A paper web of the present invention has a longitudinal centerline (L) and a transverse centerline (T), and comprises a plurality of first regions (60) and a plurality of second regions (66). The first regions (60) form boundaries separa...
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WO/1999/053136A1 |
A roll cover (12), which may be in the form of a belt which is removed from contact over part of a roll, is provided with a porous nonwoven structure, for example a layer of sintered particles (55) or with or without a fabric reinforceme...
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WO/1999/051812A1 |
The invention concerns a seal construction for a suction box (11) in a suction roll (10). The suction roll comprises a suction box (11) and therein axial seals (12a¿1?, 12a¿2?), which have been fitted in grooves (U¿1?, U¿2?) in a hol...
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WO/1999/049132A1 |
A paper machine for manufacturing soft paper comprises a press section (3) with a shoe press nip, through which a substantially impermeable belt (16) and a felt (15) run with the fibrous web (1) enclosed between them, a drying cylinder (...
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WO/1999/049130A1 |
Use of an essentially impermeable transfer belt (16) for a soft tissue paper machine for conducting a soft tissue web (1) through a shoe press nip in the press section of the paper machine, and from the shoe press nip to a Yankee cylinde...
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WO/1999/049131A1 |
An embossing belt for a paper machine, intended to run through a press section in the paper machine together with a fibrous web and produce an embossment thereof in the press section, and to transfer the embossed fibrous web from the pre...
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WO/1999/047749A1 |
An apparatus and process for imprinting a web. A yankee drum (70) and pressure roll (35) are juxtaposed to form a nip. An imprinting member (30), such as through air drying belt or other patterning belt is interposed in the nip. A felt (...
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WO/1999/047747A1 |
A paper machine for manufacturing a web (1), comprising a press section (3) with two double-felted presses (6, 7) having upper and lower press members (8, 9; 15, 16) defining first and second press nips, respectively, (N1, N2), an upper ...
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WO/1999/045195A1 |
The invention relates to an extended-nip press roll (10) for a paper machine, comprising a stationary central axle (15), a loading shoe (11), and hydraulic loading elements (12) situated between the stationary axle (15) and the loading s...
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WO/1999/045076A1 |
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 a...
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WO/1999/040257A1 |
The invention concerns a roll in a paper machine, such as a suction roll (10) or a variable-crown roll, and a roll in a paper finishing machine, such as a variable-crown roll or a heated roll in a calender for paper, and a coupling arran...
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WO/1999/040255A1 |
A paper machine for manufacturing a paper web, comprising a wet section (2) including a headbox (7), a former, a clothing that carries a formed paper web from the former; a press section (3) including a shoe press having a shoe press rol...
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WO/1999/037854A1 |
A press apparatus (10) is disclosed for pressing water from the formed web (W). The apparatus includes a press frame and a center roll (12) rotatably supported by the frame. An upstream roll (14) cooperates with the center roll (12) for ...
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WO/1999/034055A1 |
Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying. The wet paper web is passed through a press nip (12) comprising a rota...
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WO/1999/032713A1 |
The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end ...
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WO/1999/031318A1 |
A paper machine for manufacturing textured soft paper comprises a press section with a press nip, through which an impermeable belt and a felt run with the fibrous web between them, a drying cylinder and a transfer roll forming a nip for...
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WO/1999/025922A1 |
A method for producing calendered paper by an on-line manufacturing system comprising at least a paper machine and a multi-nip calender. The method comprises following steps; removing water from a formed paper web by pressing, drying the...
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