| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 01/02/2003 | EP1270806A1 Headbox with rotating side walls |
| 01/02/2003 | EP1270804A2 Method for removing impurities from an aqueous paper fiber suspension |
| 01/02/2003 | EP1268302A2 Pre-crimped tie components |
| 01/02/2003 | EP1027487B1 Modified spiral seam arrangement |
| 01/02/2003 | EP1019578B1 Treatment of industrial fabrics |
| 01/02/2003 | DE10125978C1 Flotation of a used paper fiber suspension, to separate impurities, takes part-flows from at least one flotation stage to be returned for flotation, to maintain a constant clean fiber suspension quality |
| 01/02/2003 | DE10125977C1 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 01/01/2003 | CN1388168A Thermoplastic elastomer material for roller of paper-feed |
| 12/31/2002 | US6500306 Arrangement with white water channel |
| 12/26/2002 | US20020195219 Head box for paper making machine with improved nozzle for stock solution |
| 12/26/2002 | US20020195215 Outer layer of unrefined hardwood fibers and an inner layer of refined hardwood, softwood and machine broke fibers |
| 12/26/2002 | US20020195214 Variable hydraulic pulse drainage cylinder former |
| 12/25/2002 | CN2527584Y Wave shaped flow pass pulp flow box |
| 12/24/2002 | US6497789 Method for making tissue sheets on a modified conventional wet-pressed machine |
| 12/24/2002 | US6497788 Backwater cycle and process for the water circulation of a paper machine |
| 12/24/2002 | CA2288029C Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 12/24/2002 | CA2214298C A vacuum apparatus having plurality of vacuum sections for controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 12/21/2002 | CA2390612A1 Papermaker's forming fabric |
| 12/19/2002 | WO2002101142A1 Means for splash separation on paper machine |
| 12/19/2002 | US20020189749 Method for making a cover for a roll core having a multiple layer construction and having minimal residual stresses |
| 12/19/2002 | CA2450714A1 Means for splash separation on paper machine |
| 12/18/2002 | EP1266080A1 Method of draining water from low-consistency water-fibre suspensions |
| 12/18/2002 | EP1005587B1 Suspension equalizer |
| 12/18/2002 | EP1000195B1 Double layer fabric having a high stability weave |
| 12/18/2002 | CN1386151A Four-layer seamed press fabric |
| 12/18/2002 | CN1096527C Filter for pulp fluid used in manufacturing paper |
| 12/18/2002 | CN1096510C Yarns of covered high modules material and fabrics formed therefrom |
| 12/12/2002 | WO2002099190A1 Security paper and methods for production thereof |
| 12/12/2002 | DE10125979A1 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 12/11/2002 | EP1109967B1 Papermaking fabric seam with additional threads in the seam area |
| 12/11/2002 | CN1095901C Under felt inclined flat former to produce multilayer or monolayer sheet of paper |
| 12/11/2002 | CN1095900C Method and device for use in production of fabric |
| 12/10/2002 | US6491794 Base structure for seamed papermaker's fabrics |
| 12/10/2002 | US6491793 Arrangement for fastening a turbulence vane to a headbox |
| 12/10/2002 | US6491792 Apparatus for controlling a headbox in a paper machine |
| 12/10/2002 | US6491791 Cleaning grooves and drilled perforations of papermaking machine using gas flow; water drainage |
| 12/10/2002 | CA2194136C A straight line motion producing apparatus |
| 12/05/2002 | WO2002097191A1 Stock feed arrangement in a paper or board machine |
| 12/05/2002 | WO2002097189A1 A method for treating circulation waters |
| 12/05/2002 | US20020183180 Roll |
| 12/05/2002 | US20020179266 Security paper and method for production thereof |
| 12/05/2002 | DE10126346A1 Verfahren und Stoffzuführsystem zum Beschicken eines Mehrschichtstoffauflaufs Procedures and stock feed for charging a multilayer headbox |
| 12/05/2002 | DE10125975A1 Verfahren zur Abscheidung von Anteilen aus einer Faserstoffsuspension A process for the deposition of components from a fibrous suspension |
| 12/05/2002 | DE10116290C1 Roller axis adjustment device uses pivot movement of disc provided with reception bore for screw securing roller axis to mounting frame |
| 12/04/2002 | EP1262595A1 Method and system for feeding pulp to a multilayer headbox |
| 12/04/2002 | EP1262594A1 Process for separating specified materials from an aqueous fibrous material suspension |
| 12/04/2002 | EP1262593A1 Process for removing impurities from an aqueous fibrous material suspension |
| 12/04/2002 | EP1262520A1 Thermoplastic elastomer material for paper feeding roller |
| 12/04/2002 | EP1261771A1 Forming fabric with machine side layer weft binder yarns |
| 12/04/2002 | EP1261763A2 Automatic seaming machine |
| 12/04/2002 | EP0932722B1 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox |
| 12/03/2002 | USH2053 Shaped yarns for use in papermaking fabrics |
| 11/28/2002 | WO2002095124A1 An arrangement for controlling the edge of pulp mass in a web former and a method for controlling the edge of pulp mass |
| 11/27/2002 | EP1260633A2 Machine for producing a fibrous web from a fibre suspension as well as process and system for monitoring a dewatering member |
| 11/27/2002 | CN2522452Y Auxiliary adsorption dewatering structure of cylinder mould machine |
| 11/27/2002 | CN2522451Y Vacuum water-absorbing panel for paper-making industry |
| 11/27/2002 | CN1095010C Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 11/26/2002 | US6484859 Shaft coupling with a dampening device |
| 11/21/2002 | WO2002092907A1 Paper-making machine wire cloth |
| 11/21/2002 | US20020170692 Machine for producing a fibrous web from a fibrous suspension as well as a process and system for monitoring a drainage element |
| 11/21/2002 | DE10123529A1 Fibrous web-manufacturing apparatus comprises temperature sensor connected to removable edge piece connected to format slide and/or drainage rail |
| 11/21/2002 | DE10123204A1 Papermaking sieve screen with individual webs for paper- and backing sides, employs alternating warp to secure webs together |
| 11/20/2002 | EP0932723B1 A roller for guiding a movable web |
| 11/20/2002 | EP0907794B1 Method for reducing the consumption of fresh water in a paper mill by means of a cooling tower |
| 11/20/2002 | CN1094542C Method and arrangement for producing foam-formed fibre or paper web |
| 11/20/2002 | CN1094540C Process for production of paper |
| 11/19/2002 | US6482294 Having a pick-up suction roll that is disposed between a wire section and a press section and is wound around by an air-permeable endless belt. |
| 11/19/2002 | US6482141 Flexible end supporting arrangement for direct drive adjustable spreader rolls |
| 11/14/2002 | WO2002090647A1 Method and apparatus for recovering fibre and fibre-based solids from filtrates containing both solids and liposoluble extractive agents of mechanical or chemi-mechanical pulp industry |
| 11/14/2002 | WO2002077362A3 Fabric seams having additional low melt yarn |
| 11/14/2002 | US20020169059 Roller |
| 11/14/2002 | US20020166646 Process for increasing the softness of base webs and products made therefrom |
| 11/14/2002 | US20020166645 Feeding pulp along an outer tube to a mixing point; feeding other pulp along inner tube arranged inside the outer tube to mixing point; combining flows of pulps at the mixing point; generating turbulence in the flows pulp; guiding |
| 11/14/2002 | US20020166601 Textile web, especially a textile-covered web for a paper-making machine |
| 11/13/2002 | EP1256654A2 Slide bearing for a roll in a paper/board or finishing machine, and method for making the same |
| 11/13/2002 | EP1255892A1 Seamed industrial fabrics |
| 11/13/2002 | CN1379833A Forming fabric woven with warp triplets |
| 11/07/2002 | DE10218079A1 Spray tube assembly, to clean a continuous blanket/Fourdrinier at a papermaking machine, has an inner tube fitted with jets which are supported by the edges of facing holes in the outer mantle tube |
| 11/07/2002 | DE10121980A1 Method for loosening dyestuffs on fibers in water, comprises use of at least two vertical walls which are identically oscillated in a horizontal direction while a stream of air bubbles passes through the water |
| 11/06/2002 | EP1254284A1 Papermaker's forming fabric with companion yarns |
| 11/06/2002 | EP1009874B1 A vacuum apparatus capable of controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 11/06/2002 | EP0928350B1 Baffle for reactors used for liquids purification |
| 11/06/2002 | CN1378612A Method and arrangement for mixing pulp compositions in manufacture of paper |
| 11/06/2002 | CN1378611A Method for minimising new water use in water circulation system of a treatment plant |
| 11/05/2002 | US6475345 Device for feeding a pulp suspension with eccentric shaft adjustment |
| 11/05/2002 | US6475344 Method of mixing jets of paper fiber stock |
| 11/05/2002 | US6475343 Process and device for dewatering a fibrous material web |
| 11/05/2002 | US6475337 Flotation of pulp suspension in de-inking; injection of air; mixing air and pulp suspension; feeding into subsequent cell and repeating; waste paper treatment; recycling |
| 10/31/2002 | WO2002086233A1 Method and process arrangement in the short circulation of a paper machine |
| 10/31/2002 | WO2002086232A1 Woven belt for a paper machine |
| 10/31/2002 | WO2002086231A1 Material belt for a paper machine |
| 10/31/2002 | US20020157915 Shaft coupling with a dampening device |
| 10/30/2002 | EP1253240A2 Papermaking belt having bilaterally alternating tie yarns |
| 10/30/2002 | EP1253239A1 Device for degassing fibrous suspension |
| 10/30/2002 | EP1252389A1 Security paper |
| 10/30/2002 | EP0906467B1 Convergent flow headbox |
| 10/30/2002 | CN1377435A Procedure and means for generating turbulence in stock suspension flow |
| 10/29/2002 | US6471829 Variable frequency fourdrinier gravity foil box |
| 10/29/2002 | US6471828 Headbox |
| 10/29/2002 | CA2198228C An inlet slice assembly, for a pulp slurry processing machine |