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WO/2003/029557A1 |
The invention relates to a method of draining a fibre pulp suspension (3), where the fibre pulp suspension (3) is applied to a convergent dewatering space (9) arranged between two wires (1, 2) travelling in the same direction. In the dew...
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WO/2003/023137A1 |
A paper forming device of a paper−making machine switchable to a structure suitable for the high−speed formation of thin paper and the formation of thick paper, wherein paper making material (S) is discharged from a head box (1) onto...
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WO/2003/000990A1 |
The invention relates to a multi-layered soft paper web, and a method for forming such. A multi-layered soft paper web consists of at least one layer, showing basis weight variations in a pattern. A base-layer of a fibre furnish is first...
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WO/2002/103109A1 |
A method, a paper machine and a base paper for the manufacture ofLWC printing paper which is coated once. The paper machine comprises a headbox (100), a gap former (200), a press section (300) which comprises at least one extended nip pr...
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WO/2002/095124A1 |
The invention relates to an arrangement for controlling the edge of pulp mass (M) in a web former (1), the web former (1) comprising a space (5) formed by two wires (3,4) or the like, into which space the pulp mass (M) is fed. The wires ...
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WO/2002/092908A1 |
Stock is fed from a headbox (100) to a gap former (200) in which water is removed from a web in two directions. The web formed in the gap former is passed to a press section (300) comprising at least one extended nip (N1, N2), in which p...
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WO/2002/084021A1 |
The aim of the invention is to provide a method and device with which the distribution of binders (2) and/or other additives in a nonwoven material layer (5) for the production of nonwovens can be homogenized. To this end, a binder (addi...
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WO/2002/072950A1 |
The invention relates to a twin wire former (10) of a machine for producing a fibrous web (12), especially a paper or a cardboard web, from at least one fibrous suspension (28). The invention is characterised in that the two wires (14, 1...
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WO/2002/070817A1 |
The invention relates to a dewatering device (10) in a paper machine or equivalent. The dewatering device comprises a suction box (11) including guide elements (12a, 12a, 12a3...) for a fabric (H1, H2), such as a wire, so that a pulp web...
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WO/2002/063097A2 |
The invention relates to a former of a machine for producing a web of fibrous material, in particular a paper web or cardboard web. Said former comprises a headbox (12), which has at least one material suspension feed (14), a turbulence ...
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WO/2002/048455A1 |
A process, and an apparatus, for improving sheet properties in a twin fabric paper making machine forming section whereby pressure pulse generation in the stock can be controlled. The pressure pulses are controlled by mounting a vacuum a...
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WO/2002/046523A1 |
The invention relates to a method for controlling the solids profile of a web in a paper/board machine in a wire section in which a slice jet of a headbox (10) of the paper/board machine is discharged to the wire section (12). The wire s...
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WO/2002/044469A1 |
The invention relates to a method in a paper or board machine, in which method water is removed from a paper or board web (W) by pressing in a press section (30), in which pressing stage the web (W) is pressed in at least one press nip (...
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WO/2002/020899A1 |
A vented lead blade (5) for use in a paper making machine located so that the stock jet (9) impinges the forming fabric (3) at, or near to, its trailing edge (14). The vented lead blade serves to bend the forming fabric before it enters ...
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WO/2002/012620A1 |
The invention concerns a method and an improved paper machine for making a surface-sized paper web. Pulp is supplied from the headbox (100), wherein additives and/or fillers and/or fines are admixed into the pulp, to the wire section (20...
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WO/2002/010509A1 |
A twin-wire belt press for dewatering of a fibre suspension and forming of a continuous web thereof comprises two dewatering tables (11, 12) forming a wedge-shaped pressure space (13) between the wire belts (5, 6) for initially pressing ...
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WO/2001/098581A1 |
A method and a regulation arrangement for controlling the dewatering profile in a former of a paper or board machine, which former comprises two forming wire loops (50, 60) having dewatering elements (52, 53, 64, 65) placed inside them, ...
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WO/2001/098064A2 |
The invention provides for the formation of composites, in particular, laminates from a wet-laid fibrous nonwoven molding compound (1) prepared from a white water slurry (3), or from a dried mat formed from the wet-laid compound. The com...
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WO/2001/083882A2 |
The invention relates to a twin wire former (1) for producing a fibrous web (4), in particular a paper, cardboard or tissue web, from a fibrous suspension according to the generic terms of claim 1. The twin wire former (1) is characteriz...
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WO/2001/081677A1 |
A mat containing highly machine direction oriented (90 % or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly dispersed in an aqueous medium containing...
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WO/2001/068977A1 |
A machine for manufacturing a paper or cardboard web (1) comprises a press section (5) with first, second and third presses (52, 60, 63), which each have first and second press elements (53, 54; 61, 62; 64, 65), in which the first press ...
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WO/2001/068228A1 |
A method of mixing including providing a slurry (26, 126) having a first fiber (14, 114) into a container (20, 120), introducing an agitation fluid (31, 138) into the slurry to cause a mixing motion (38, 138) within the slurry, and deliv...
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WO/2001/065005A1 |
The invention relates to a method and arrangement for processing a wide paper or board web in connection with such a manufacturing method, in which a wide base web (14) is manufactured and the base web is processed in at least one proces...
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WO/2001/057310A2 |
The invention relates to an arrangement in a paper machine, in which a paper web (PR) is treated with at least one finishing unit, such as a calender (2), after the dryer section before the reeling up stage of the paper web (PR) in the r...
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WO/2001/051703A1 |
A method and apparatus for improving forming of a web of paper or paper board employing prepressing during web forming. Forming wires (4, 6) are brought together over at least one roll (109) or alternatively two rolls (10, 12). The web t...
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WO/2001/044564A1 |
The invention relates to a method of recovering energy in a forming section of a papermaking or boardmaking machine, wherein stock from a headbox (2) is fed into a forming zone of a forming section, said forming zone including at least o...
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WO/2001/044566A1 |
A compact multilevel paper making machine is provided comprising a web-receiving region where a web of paper is received on a fabric forming a continuous loop, a reel-up for winding the paper web onto a roll, and a web transfer point dis...
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WO/2001/044568A1 |
A through-air drying paper making apparatus is provided comprising a twin-fabric forming section, a water-removing section arranged downstream of the forming section, and a web transfer device disposed between the forming section and the...
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WO/2001/044569A1 |
The invention relates to an arrangement for forming a multilayered paper or paperboard web (D) from stock suspensions with papermaking fibres and fines, said arrangement including at least a first (101; 201; 301; 401; 501) and a second (...
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WO/2001/036746A1 |
The invention relates to a device for removing water from a fibrous material strip, comprising a dewatering component (1) composed of an upper (3) and a lower sieve (4) whereby a first wedge-shaped dewatering zone (5) is provided which c...
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WO/2001/036742A2 |
The invention relates to a device for removing water from a fibrous material strip, comprising a dewatering component (1) composed of an upper (3) and a lower sieve (4) whereby a first wedge-shaped dewatering zone (5) is provided which c...
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WO/2001/032981A1 |
A leader having a shape substantially that of a triangle which is used to pull a seamable papermaker's fabric onto a paper machine comprising a plastic coated substrate having plastic reinforcing strips thereon.
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WO/2001/031120A1 |
An arrangement in the wet end of a paper machine for transferring web from the former to the press section. The former comprises a twin wire zone defined by an upper wire loop (11) and a lower wire loop (10), after which the web (W) foll...
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WO/2001/018309A1 |
The invention relates to a method for the production of a liner comprising at least a top layer and a base layer, wherein a forming section is used, with at least two forming units to create a fibre web, said fibre web being conveyed thr...
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WO/2001/004413A1 |
Forming belts in combination with a forming section of a papermaking machine which act to form a paper sheet of prescribed width. The combination includes an outer forming belt (10) comprising a continuous porous fabric having a support ...
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WO/2001/002159A1 |
Disclosed is a method and calender device for calendering an absorbent layer formed from fiber material by means of a dry-forming technique. The calender device (1) comprises at least two opposing calender rolls (6a and 6b), forming a ni...
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WO/2001/000925A1 |
An apparatus for making textured tissue paper includes a forming section for forming a wet paper web, a pressing device in which the wet paper web is pressed between a texturing fabric and a dewatering felt or fabric to texture and dewat...
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WO/2000/079041A1 |
A method and apparatus for beginning the formation of a paper web on a traveling forming wire, or between a pair of converging forming wires (40, 42), includes a headbox (44) on a papermaking machine for projecting a stock stream (46) on...
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WO/2000/077299A1 |
Method for forming multiply paper or board product, where all the plies are formed by means of roll forming of the type where the fibre suspension jet is introduced in the twin-wire nip at such a speed that the outer wire of the tensione...
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WO/2000/075427A2 |
A unitary absorbent composite having a plurality of strata is disclosed. In the composite, adjacent strata are separated by a transition zone integrally connecting the strata. Each stratum includes fibers and a binder, and the transition...
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WO/2000/073580A1 |
The invention relates to a tissue paper making machine, a tissue paper product, and to a method for producing such a tissue paper product. According to the invention, a dewatering and sheet-forming wire (13; 14) is deposited in the pulp ...
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WO/2000/073581A1 |
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 (32). A headbox (22) injects stock between upper and lower dryer fabrics (26, 28) brought tog...
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WO/2000/070144A1 |
The present invention relates to a method for the manufacture of paper, in particular of fine paper. In the method, paper stock is fed from a headbox (100) to a wire section (200) to drain water from a paper web, the paper web (W) is pas...
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WO/2000/066832A1 |
A method and an apparatus for recovering fibres from white water of a paper mill. In the method, filtering is carried out by conveying the white water through auxiliary pulp produced from a long-fibred fraction of the fibre material remo...
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WO/2000/056975A1 |
A cylinder former (10) having a variable hydraulic pulse whilst drainage, for use in papermaking comprising a drainage means comprising a cylinder mould (12) and a contoured member (34) adjacent the cylinder mould having a plurality of h...
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WO/2000/044980A1 |
The invention relates to a machine for producing a multilayer web of fibrous material, especially a paper web or cardboard web. Layers (A, B) are moulded by a former (10, 12). Said layers (A, B) are couched with one another. At least two...
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WO/2000/043588A1 |
An arrangement for adjusting the width of a fibre web in an apparatus comprising two filter wires permeable to water, the filter wires having the same direction of travel, and means for placing pulp suspension between the wires. The arra...
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WO/2000/039395A1 |
The invention relates to a multi-layer web former for forming a three-layer paper web, advantageously a fine paper web. The web forming device comprises three successive web forming units, each of them comprising a headbox (12, 22, 32) a...
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WO/2000/036212A2 |
An aerodynamic method of making tissue paper comprises the steps of preparing an aerosuspension out of cellulose fibers, forming a layer of fibers (8) on a forming wire (7), moistening the formed layer of fibers and pressing and drying o...
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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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