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WO/2000/009308A1 |
The invention comprises a method for applying a curable resin (50) to a reinforcing structure (40) and an apparatus therefor. The apparatus comprises a working surface (72) having a pattern of recesses therein structured and designed to ...
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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/2000/004226A1 |
The invention relates to a device for transferring a threading strip or material web, within a machine for producing and/or processing said material web, from a receiving area to a transfer area along a web travel path. Said device compr...
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WO/2000/001884A1 |
The invention concerns an equipment and a method for passing a paer/board web into a pulper. The equipment comprises a needle-nozzle pipe (22) in connection with a roll (13), out of which needle-nozzle pipe needle-like water jets are app...
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WO/2000/000695A1 |
The invention relates to inventive methods for smoothing fibre strips (6), preferably paper or cardboard strips, in a chemical engineering process, whereby a medium (13) consisting of several constituents (14, 15) is applied in front of ...
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WO/1999/066124A1 |
A papermaking belt (10) for dewatering and imprinting a paper web. The belt comprises two laminae (20, 50) joined together in a face to face relationship to form a unitary laminate. The first lamina (20) comprises a foraminous imprinting...
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WO/1999/064963A1 |
The system controls formation of wet stock (55) comprising fibers on a moving water permeable wire (13) of a de-watering machine that has a refiner (135) that is subject to a variable load and a headbox (10) having at least one slice (50...
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WO/1999/064670A1 |
The invention ralates to a method of manufacturing a press felt, according to which method a press felt is manufactured which has a good initial density by means a water soluble material, such as polymer, preferably polyvinyl alcohol (PV...
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WO/1999/061130A1 |
A phase-separation member comprises a porous substrate (11) containing void spaces, a microporous polymer material (14) which at least partially impregnates the porous substrate by entering into the void spaces, and a layer of a fluoropo...
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WO/1999/058763A1 |
A method of dividing a formed paper web (1) into at least two part-webs (8, 9) during production of creped paper in a paper machine having a cylinder (3) with an adhesive coating to which the web adheres. According to the invention the w...
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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/1999/055958A1 |
The invention relates to a method for heating a band of fibrous material on a drainage screen (6), whereby warm or hot water is applied on and impregnates the band (11). The invention is particularly characterized in that steam is suppli...
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WO/1999/053125A1 |
A woven fabric comprises cross-machine direction weft yarns (10), and an array of interwoven warp yarns, the warp yarns being woven in the machine direction in alternating groups of relatively narrow yarns (11) and relatively wide yarns ...
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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/1999/051811A2 |
A sensor imbedded rolle (40) for detecting changes in properties of a material and a measurement apparatus including a fixed impedance element coupled in series with a variable sensor imbedded roller (40) between an input signal and a re...
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WO/1999/051814A1 |
The present invention is a papermaking belt (10) comprising two primary elements: a reinforcing structure (12) and pattern layer (30). The reinforcing structure (12) comprises a web facing first surface of interwoven first machine direct...
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WO/1999/049128A1 |
Ethyleneamine compound(s), or mixtures thereof, are used in effective amounts to reduce or inhibit the deposition of white pitch on the paper making equipment during the processing to recycle coated paper.
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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/1999/047748A1 |
A multilayer porous fabric (10) which comprises a porous core fabric provided with hook means (11), and at least one layer of pre-needled nonwoven fibrous batt (12A, 12B) attached by entanglement onto the hook means (11) by pressing the ...
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WO/1999/042656A1 |
A feedback-connected on-line system of regulation of the headbox (10) of a paper or board machine. The headbox (10) comprises a flow duct for stock suspension or separate flow ducts placed one above the other, which flow duct(s) extend(s...
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WO/1999/041447A1 |
A porous belt or filter cloth comprises a woven or nonwoven textile substrate (11), which is coated on at least one surface with a coagulated polymer layer (12). The layer (12) preferably substantially impregnates the substrate, and the ...
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WO/1999/041450A1 |
The invention relates to a steam box (10) for a paper/board machine, comprising a distribution chamber (11), into which steam is passed first, and which steam box comprises steam feed sections (A¿1?, A¿2?, A¿3? ...), into which the st...
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WO/1999/040258A1 |
A method and a system in a paper web finishing machine or equivalent, for discharging in a controlled manner air which surrounds the machine and which contains impurities or steam. A first air curtain (30') extending from the first side ...
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WO/1999/032714A1 |
A method and apparatus for drying a paper web, in which method the paper web (W) is dried against the heated cylinder surfaces of the drying cylinders (20, 24, 24'; 410) and by means of air impingement drying with at least one air imping...
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WO/1999/032383A1 |
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 b...
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WO/1999/032715A1 |
A papermaking fabric, such as a press felt, has a paper contacting surface (15) provided by a layer (11) which includes a high proportion of fibrillatable fibres (16) to provide a fine structure of the surface (15). The fibrillatable fib...
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WO/1999/031317A1 |
In the method for threading a tail (7) of a paper or board web through a paper or board machine or a section thereof, or through an aftertreatment machine for paper or board or a section thereof, the tail (7) is prevented from wandering ...
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WO/1999/028550A1 |
Felt changing device and procedure for changing an endless felt, in which procedure an endless felt is placed around rollers. In the procedure, an elongated lifting beam (4) with the endless felt (5) placed around it is attached to the f...
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WO/1999/027183A1 |
The invention relates to a method and equipment for controlling properties of paper, in which method the effect of the flow of retention agent (F¿ra?) and the stock flow (F¿ts?) on the basis weight of the paper (BW) is modelled. The fu...
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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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WO/1999/020836A1 |
The invention concerns a method for detecting contamination and/or damage in a face (11, 12') running through a nip (N) or nips in a paper machine or in a paper finishing machine, such as a calender or a coating device. In the method, vi...
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WO/1999/020820A1 |
An on-machine-seamable papermaker's fabric (100) includes first (110) and second (120) base fabrics, joinable into an endless form with a seam (112, 122). The fabrics are attached to one another by at least one layer of staple fiber batt...
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WO/1999/019564A1 |
A multi-layer papermaking fabric having at least two sets of offset seam loops (26, 27) at each end of the fabric. The respective seam loop sets are joined to render the fabric endless.
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WO/1999/019563A1 |
A plant for drying a web of material (2) has a housing (4), which has an entry (6) and an exit (8) and through which the web is fed from the entry to the exit. The housing (4) contains a plurality of superposed, horizontal drying decks (...
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WO1999006631B1 |
A double layer papermaking fabric having first and second layers (1, 2) of cross machine direction (CMD) yarns (1A-1H, 2A-2H) interwoven with a system of machine direction (MD) yarns (3A-3H). The MD repeat pattern is characterized by a p...
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WO/1999/018282A1 |
An industrial fabric, suitable for use as papermachine clothing, belting or a filter cloth, comprises a permeable support (11) carrying a layer of sintered polymeric particles (15), and a layer (16) providing a smooth surface coating. Th...
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WO/1999/014429A1 |
An apparatus for drying a cellulosic fibrous structure. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a relat...
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WO/1999/014428A1 |
An apparatus for drying a cellulosic fibrous structure. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a relat...
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WO/1999/014425A1 |
A belt (10) for supporting a cellulosic fibrous structure in a papermaking process. The belt comprises a reinforcing structure (12) having two layers (16, 18), a web contacting first layer and a machine facing second layer and a pattern ...
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WO/1999/013153A1 |
An apparatus for drying an embryonic web. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a surface oriented to...
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WO/1999/013158A1 |
The present invention is related to a method of treating a material web in a paper or paper-board machine, in which method the moving web (1) is treated with a gas (2), particularly with steam. At least one supplementary treatment agent ...
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WO/1999/009247A1 |
A papermaking fabric (10) for producing paper with a pattern embossed thereon, the fabric (10) comprising a base layer (11), in the form of a woven substrate, and a fibrous batt layer (12) with a paper contacting surface (13). Raised pat...
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WO/1999/005358A1 |
An industrial fabric comprises synthetic yarns or fibres which have been subjected to plasma treatment. If fibres are used, they may be treated as fibres, when made up into yarns or when formed into a woven or nonwoven layer. One or both...
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WO/1999/003593A1 |
A steam applicator for processing paper comprising a center steam supply conduit having at least one orifice in the bottom of the supply conduit for providing wet steam to exit the at least one orifice and circulate therearound. A longit...
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WO/1999/002941A1 |
The invention relates to a method for determining the thickness of a web of continuous material, in which contactless optical methods are used, and measuring takes place with optical spectra, preferably in the infrared (IR) range. In acc...
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WO/1999/000546A1 |
An excimer or ablation laser is used to cut selected, e.g. warp yarns in a fabric, particularly in joining the ends of a papermaking fabric to make the fabric endless. Optical imaging and electronic guidance of the laser projection is us...
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WO/1999/000547A1 |
The invention relates to a control and/or regulating system for a machine used for producing a fiber web, in particular a paper and/or cardboard web. This system comprises several actuators (A1-A6), each associated to at least one final ...
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WO/1998/058120A1 |
A papermaking fabric (1) comprised of modular panels (10, 11) secured to one another by hook and loop tape fastener material (18, 19) or similar fastening means. The fabric (1) can be repaired by removing therefrom a section encumbering ...
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WO/1998/058123A1 |
A limiting orifice through-air-drying medium for papermaking or other absorbent embryonic webs. The medium may be used in an apparatus which can be embodied in a cover and a roll. The medium has the unique combination of a relatively hig...
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