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WO/2009/129843A1 |
The invention is related to a press and dryer section of a web forming machine, for example a paper machine, comprising a pressing nip (1), an endless, heat-conductive metal belt (3) and an endless fluid-permeable belt (5) both arranged ...
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WO/2009/129842A1 |
The invention relates to a press section of a web forming machine comprising a pressing nip (1) formed by a first roll (3) and a second roll (5), an endless heat-conductive metal belt (9) and an endless first fluid-permeable fabric (11),...
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WO/2009/130380A1 |
The invention relates to an impingement dryer (10, 20, 30) and a method for reducing runnability problems caused by gas flows in an impingement dryer (10, 20, 30) for a fibre web, which impingement dryer has gas blowing means (104) and g...
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WO/2009/127399A1 |
A heatable roll is described, in particular for processing web-like materials, having a hollow-cylindrical roll body. In the inner wall, the roll body (10) has a groove-shaped recess (13n) for receiving at least one heating element (13),...
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WO/2009/129047A2 |
A system includes a roll (119, 214, 304) formed from a conductive material, where the roll is configured to rotate about an axis (218). The system also includes an induction heating workcoil (202, 302) configured to generate currents (21...
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WO/2009/127775A1 |
The invention relates to a method (1) for controlling the curling of a paper/board web (W) for a heat sensitive product (2), said method comprising the use of an applicator device (5) for applying at least one coating agent or the like s...
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WO/2009/083637A9 |
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...
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WO/2009/112071A1 |
The invention relates to a belt 100 made from metal for use in a paper- or board making machine and a method for manufacturing such a belt. The belt has a plate shaped belt body 10 adapted to be formed into an endless loop, and has a coa...
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WO/2009/112593A1 |
The present invention relates to a fibrous material mixture for the production of paper or paper-like products obtained through a method comprising the steps of mechanical de-watering of the fibrous material mixture to a dry content of b...
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WO/2009/092485A1 |
The invention relates to a drier section for drying a paper, cardboard, or other fiber material web (1) in a machine for producing the same, having at least two drying groups (7,8,9) wherein the fiber material web (1) is supported by an ...
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WO/2009/086638A1 |
A steam distributor for applying steam to a continuously moving paper sheet employs one or more drop-out steam profiling cartridges. Each cartridge is connected to a steam distribution apparatus and includes a number of profiling zones t...
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WO/2009/083636A1 |
The invention relates to an arrangement and a method of a paper machine or the like for saving energy in the drying section. According to the invention, in the drying section of a paper machine or the like in connection with a pocket spa...
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WO/2008/152195A1 |
The invention relates to a method and apparatus for removing water in paper-making, wherein paper is formed by feeding pulp to a wire section through a headbox, a web is formed at the wire section and the web is led from the wire section...
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WO/2008/152196A1 |
The invention relates to a method and apparatus for removing water in paper-making, wherein paper is formed by feeding pulp to a wire section (2) through a headbox, a web is formed at the wire section, and the web is led from the wire se...
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WO/2008/150185A1 |
A device which improves drying of the paper is installed within the cylinders pocket - close to the point where the paper 2 looses its contact with the cylinder surface 3. The device consists of the two chambers 4 and 5. To the chamber 4...
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WO/2008/149249A1 |
The objective of the present invention is to realize a sanitary paper production method which eliminates problems that originate from the mains power supply and cause disruption in production, while enabling energy conservation in sanita...
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WO/2008/148726A2 |
The invention relates to a method for producing a fiber web, especially a graphic paper web, from a material composition that contains at least 20% by weight of the fiber material, selected from the group consisting of BCTMP, CTMP, APMP ...
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WO/2008/145519A1 |
A method and an apparatus for drying a chemical pulp web, wherein the chemical pulp web (W) is dried by means of at least one dryer (3, 4), in which both surfaces (S1, S2) of the chemical pulp web (W) is subjected to heat. In the dryer (...
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WO/2008/138683A1 |
The invention relates to a method for cleaning a running paper, cardboard, or other fibrous material web (6) during the production thereof in a production machine (4), the fibrous material web (6) being cleaned of loose or non-bonded, un...
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WO/2008/128890A1 |
The invention relates to a drying (1) or smoothing arrangement for a web-producing or a web-processing machine, in particular paper, cardboard or tissue machine, comprising a rotatable drying (2) or smoothing cylinder and an overpressure...
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WO/2008/117167A1 |
Combustion chamber (1) for paper drying machines, comprising an external, basically cylindrical body (2), provided with a bottom (3) for the flame input, and with at least one inlet (5) for the air, a distributor (6) essentially composed...
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WO/2008/105005A1 |
The steel-made Yankee cylinder includes a cylindrical shell (11) joined to two ends (13, 15), to which are fixed respective- support journals (3). The cylindrical shell (11) is joined to the ends through a circumferential weld formed bet...
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WO/2008/090259A1 |
The invention relates to a system in a web forming machine for guiding a web (28) in connection with a grooved roll (12). The grooved roll (12) includes a surface structure (16) with grooves (56) said grooves (56) being open only to the ...
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WO/2008/090258A1 |
The invention relates to a system in a dryer section of a web forming machine for guiding a fabric (12) and further the web (14) with guide rolls (16). Of the guide rolls (16), at least one is covered by the web (14) supported by the fab...
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WO/2008/087146A1 |
A fabric (14) for use on a paper machine includes a plurality of filaments (16) woven together. At least a portion of the filaments have a generally flat machine side base (18), a generally flat web side face (20), and a pair of generall...
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WO/2008/077869A1 |
In a method for drying a fibrous web, in particular a paper, paperboard or tissue web, in which method the running fibrous web is loaded with hot air in the region of a predefinable drying zone, the fibrous web is loaded with steam at le...
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WO/2008/077856A1 |
An apparatus for producing a fibrous web which is provided with a three-dimensional surface structure, in particular a paper, paperboard or tissue web, comprises a headbox, a forming element such as, in particular, a forming roll, a stru...
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WO/2008/077874A1 |
In a method for drying a fibrous material web, in particular a web of paper, cardboard, or tissue, the running fibrous material web is acted upon with hot air from a hot air hood in the region of a preceding specifiable drying zone and, ...
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WO/2008/069728A1 |
The invention relates to a drying box for drying a cellulose pulp web. The box has a plurality of fans (3, 5), each fan being driven by a motor (9, 11) and contributing to generate a positive pressure in the drying box interior (7). The ...
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WO/2008/059102A1 |
The object of the invention is an end part (1) of an air dryer, the air dryer being applicable for drying a pulp web, such as a cellulose web or the like. The end part comprises a fan tower (11), and a roll tower in which a number of tur...
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WO/2008/052876A1 |
The invention relates to a drying arrangement for drying a paper, cardboard, tissue, or other fibrous material web (1) in a machine for producing and/or finishing of the same, comprising at least one heated drying cylinder (2), being sur...
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WO/2008/052853A1 |
The invention relates to a device for treating a running material web, particularly a paper web with a treatment unit, comprising a circulating conveyor belt, forming a closed loop and carrying the material web. The invention further rel...
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WO/2008/046961A1 |
The invention relates to an arrangement in a dryer section of a web forming machine for controlling air flows during tail threading. A tail is arranged to be taken from a dryer cylinder (10) to a turning roll (12) in several positions of...
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WO/2008/040852A1 |
The invention relates to method for drying a coated or surface-sized fibrous web (W), in which method the fibrous web is coated or surface-sized and after the coating or surface-sizing the fibrous web is dried in a drying line (1) compri...
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WO/2008/036497A1 |
A method of operating a papermaking process containing a press section with at least one press nip is disclosed. The method comprises simultaneously performing the following steps: (a) providing a press media for said papermaking process...
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WO/2008/023090A1 |
The invention relates to a method and device for guiding a paper web, or corresponding web-like moving track, by using jets of compressed air as an aid. There are two jet directions, one essentially facing the arrival direction of the we...
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WO/2008/019577A1 |
An electromagnetic heating apparatus for controlling the moisture of base paper comprises a heating roll (6), an electromagnetic heating unit (1), a paper guide roll (4,5), and a gearing device (7). The heating roll (6) and the paper gui...
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WO/2008/015011A2 |
The invention relates to a housing element (2 to 10) for a housing (1) of a fume hood for a papermaking and/or board machine, in particular for the dry part of a papermaking and/or board machine. The housing element (2 to 10) has an inne...
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WO/2008/003569A1 |
The invention relates to a machine for producing a fibrous web (1), in particular a tissue web, with at least one extended press gap for dewatering the fibrous web (1), which press gap is formed between a shoe press unit (2) and a drying...
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WO/2007/144460A1 |
The invention relates to a hood for a web forming, press and/or dryer section. The hood (10) is located above a web forming section (12) , a press section (14) and/or a dryer section. The hood (10) includes a ceiling (30) , a back side w...
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WO/2007/128867A1 |
The invention relates to a method and apparatus for the surface treatment of paper/board. The method comprises treating a fibrous web with a drying- shrinkage achieving chemical, such that the chemical penetrates substantially throughout...
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WO/2007/093672A1 |
The invention relates to a method in connection with manufacturing a surface- sized fibre web, particularly a paper or board web, in which method the fibre web is dried in a front drying section (100) by drying causing a curling tendency...
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WO/2007/085618A1 |
The present invention concerns a convective system for a dryer installation for a passing web, more particularly paper. The convective system 7 is an assembly of an exterior casing 13 for suction of combustion products with opening 14 to...
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WO/2007/085698A1 |
The invention relates to a method in a dryer section of a fibre-web machine, in which at least one drying group employs single-wire draw in which a paper web (W) that is being dried runs on support of a drying wire (F) such that the dryi...
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WO/2007/085617A1 |
The object of the invention is an dryer in the dryer section (26) of a machine for treating or producing a web (12). This drying section (26) has, amongst other things, a burner assembly (10), wherein this burner assembly (10) is adapted...
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WO/2007/085699A1 |
A method in a dryer section of a fibre-web machine, in which dryer section at least one drying group employs single-wire draw in which a paper web (W) that is being dried runs on support of a drying wire (F) such that the drying wire (F)...
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WO/2007/078363A1 |
A paper web having discrete elevated elements molded in the z-direction is generally disclosed, along with methods of making the same. The molded web has improved bulk retention when subjected to compression in the z-direction. The discr...
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WO/2007/062926A1 |
The invention relates to a method and a device for web monitoring in a machine for producing and/or refining a web (1) of paper, cardboard, tissue or other fiber material. The web of fiber (1) is supported by an air-permeable belt (8, 9,...
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WO/2007/010088A1 |
The invention relates to a method and an apparatus for drying a moving web of material at a paper or board machine. The drying is performed by a heated drying cylinder (1 ) transverse to the direction of travel of the web, past which the...
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WO/2006/136298A1 |
The invention is characterized in that a condensation sensor array or a condensation sensor system, by means of which the internal surface of an air dome can be monitored regarding a potential or imminent formation of condensation, is pr...
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