| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 05/25/1999 | CA2142262C A multi-ply web forming apparatus |
| 05/24/1999 | CA2230117A1 Loop/tie-back woven loop seam press base |
| 05/20/1999 | WO1999024665A1 Method of drying a fiber web, and arrangement in a fiber web drying apparatus |
| 05/20/1999 | WO1999024661A1 A process for improving the drainage of cellulosic pulps |
| 05/20/1999 | CA2309714A1 Method of drying a fiber web, and arrangement in a fiber web drying apparatus |
| 05/19/1999 | EP0916000A1 Perfected reactor for liquids purification |
| 05/19/1999 | EP0748403B1 Papermaker's fabric of polyphthalamide monofilament |
| 05/19/1999 | CN1217036A Improved system for making absorbent paper products |
| 05/18/1999 | US5904809 Producing non-woven web of fibrous material, such as synthetic or cellulose fibers |
| 05/18/1999 | US5904187 Seam integrity in multiple layer/multiple seam press fabrics |
| 05/14/1999 | WO1999023303A1 Method for making soft tissue |
| 05/14/1999 | WO1999023302A1 Method for making low-density tissue with reduced energy input |
| 05/14/1999 | WO1999023301A1 Air press for dewatering a wet web |
| 05/14/1999 | WO1999023300A1 Method for making tissue sheets on a modified conventional wet-pressed machine |
| 05/14/1999 | WO1999023299A1 Low density resilient webs and methods of making such webs |
| 05/14/1999 | WO1999023296A1 Air press |
| 05/14/1999 | CA2309076A1 Air press for dewatering a wet web |
| 05/14/1999 | CA2307675A1 Method for making low-density tissue with reduced energy input |
| 05/14/1999 | CA2307205A1 Method for making soft tissue |
| 05/14/1999 | CA2306962A1 Method for making tissue sheets on a modified conventional wet-pressed machine |
| 05/12/1999 | EP0914518A1 Tissue membrane felt |
| 05/12/1999 | EP0914506A1 Papermaker's fabric with additional cross machine direction yarns positioned in saddles |
| 05/12/1999 | EP0914232A1 Device for surface working of extended coating elements |
| 05/12/1999 | EP0662170B1 Liquid removal apparatus and method for wood pulp |
| 05/11/1999 | US5902456 Dewatering apparatus |
| 05/11/1999 | US5901423 Endless loop finishing assembly |
| 05/11/1999 | US5901422 Endless loop finishing assembly |
| 05/11/1999 | CA2150190C Papermaker's forming fabric |
| 05/06/1999 | EP0912800A1 Pulp and linerboard former with improved dewatering |
| 05/06/1999 | EP0912798A1 Suction box in a paper machine and method in the suction box in a paper machine |
| 05/06/1999 | EP0912797A1 An arrangement for feeding stock to a headbox in a papermaking machine |
| 05/05/1999 | CN1216077A Laminated integrally woven papermaker's fabric |
| 05/05/1999 | CN1215773A Improved process for adjusting alkalinity of pulp slurry in broke pulper |
| 05/04/1999 | US5900121 Dosing feeder for the breast box of papermaking machine |
| 05/04/1999 | US5900117 Wet cleaning of papermachine pressed felts |
| 05/04/1999 | US5899240 Papermaker's fabric with additional first and second locator and fiber supporting yarns |
| 04/29/1999 | WO1999020835A1 Paper comprising an embossed pattern, method for producing and cloth for making same |
| 04/29/1999 | WO1999020831A1 Device for cleaning a paper machine wire web |
| 04/29/1999 | WO1999020820A1 Improvement of seam integrity in multiple layer/multiple seam press fabrics |
| 04/29/1999 | DE19746848A1 Continuous woven blanket for corrugated cardboard manufacture |
| 04/28/1999 | EP0911443A1 Improved process for adjusting the alkalinity of a pulp slurry in a broke pulper |
| 04/28/1999 | EP0910697A1 Method of reusing fillers and coating pigments used in paper, paperboard and cardboard manufacture |
| 04/28/1999 | EP0910696A2 High absorbance/low reflectance felts with a pattern layer |
| 04/28/1999 | EP0828793B1 Polyesters of 2,6-naphthalenedicarboxylic acid having improved hydrolytic stability |
| 04/28/1999 | EP0767850B1 Web patterning apparatus comprising a felt layer and a photosensitive resin layer and method of forming the apparatus |
| 04/28/1999 | EP0763158B1 Multiple layer papermaking belt providing improved fiber support for cellulosic fibrous structures |
| 04/28/1999 | CN2316331Y Corrugated paper making cylinder |
| 04/27/1999 | US5897772 Draft tubes; froth floation |
| 04/27/1999 | CA2162126C Improved formation in a two fabric paper machine |
| 04/24/1999 | CA2251272A1 Improved process for adjusting the alkalinity of a pulp slurry in a broke pulper |
| 04/22/1999 | WO1999019564A1 Multi-layer seamed felt with at least two offset seams |
| 04/21/1999 | EP0909846A1 Process and device for presenting the warp yarn ends of a woven band |
| 04/21/1999 | CN2315136Y Stick piece net cage |
| 04/21/1999 | CN2315135Y Net cage |
| 04/20/1999 | US5894867 Process for producing paper using papermakers forming fabric |
| 04/15/1999 | WO1999018282A1 Improved industrial fabrics |
| 04/15/1999 | WO1999006631B1 Double layer fabric having a high stability weave |
| 04/15/1999 | CA2305719A1 Improved industrial fabrics |
| 04/14/1999 | EP0908556A2 Paper machine and process for making a paper web |
| 04/14/1999 | EP0907797A1 Method and apparatus for making soft tissue |
| 04/14/1999 | EP0907794A1 Method for reducing the consumption of fresh water in a paper mill by means of a cooling tower as well as a cooling tower |
| 04/14/1999 | EP0907793A1 Method for arrangement of the water circulation in a paper mill |
| 04/14/1999 | EP0907792A1 Method in a paper machine for arrangement of its water circulation |
| 04/14/1999 | EP0907791A1 Cleaning device for cleaning a dewatering screen in a wet or dry section or a wet felt in a press section of a paper making machine |
| 04/14/1999 | EP0907790A1 Equipment for combining a dilution flow with the stock flow passed out of the inlet header in a paper/board machine |
| 04/14/1999 | CN2313950Y Sylinder screen |
| 04/14/1999 | CN1214092A Improved system for making absorbent paper products |
| 04/10/1999 | CA2229121A1 Multi-layer seamed felt with at least two offset seams |
| 04/08/1999 | WO1999016966A1 Fabric made from extruded, cut to size hollow tubes |
| 04/08/1999 | WO1999016965A1 Woven loop seam fabric with improved loop alignment |
| 04/08/1999 | WO1999016964A1 Treatment of industrial fabrics |
| 04/07/1999 | EP0906471A1 A method and board machine for manufacturing a paperboard web |
| 04/07/1999 | EP0906468A1 Set of ribs in a dewatering device in a paper machine |
| 04/07/1999 | EP0906467A1 Convergent flow headbox |
| 04/07/1999 | EP0906460A1 Yarns of covered high modulus material and fabrics formed therefrom |
| 04/07/1999 | EP0809731B1 Process for recovering raw materials from a flow of residual or collected materials during paper manufacture and plant therefor |
| 04/07/1999 | CN2312958Y Oblique-net part of high-speed thin-paper machine |
| 04/07/1999 | CN1213419A Paper having improved pinhole characteristics and papermaking belt for making the same |
| 04/06/1999 | US5891309 Web stabilizing device |
| 04/06/1999 | US5891307 Volumetric percentage of air in the fiber suspension is determined, dependent upon the established speed of sound through the fiber suspension |
| 04/01/1999 | WO1999015278A1 Apparatus for cleaning a suspension, preferably a fiber mass suspension |
| 03/31/1999 | EP0905312A2 Web stabilizing device |
| 03/31/1999 | EP0905310A2 Industrial fabric |
| 03/31/1999 | EP0904450A1 Papermakers fabric with stacked machine and cross machine direction yarns |
| 03/31/1999 | EP0813631B1 Method and apparatus for treating filler-containing material such as recycled fibers |
| 03/31/1999 | EP0636194B1 Support apparatus for papermaking machine rotating felt suction pipes |
| 03/31/1999 | CN2312239Y Cylinder mould for paper making |
| 03/30/1999 | US5888915 Sheath component has a lower melting point than core component that can be heated for a fused, bonded structure; improved soil resistance, dimensional stability, abrasion resistance and durability |
| 03/30/1999 | US5888353 Flatsided parabolic header for headboxes |
| 03/30/1999 | US5888352 Apparatus for wet manufacturing fiber reinforced thermoplastic resin sheet |
| 03/30/1999 | US5888349 Apparatus includes airfoil adapted to extend along surface of sheet |
| 03/30/1999 | US5888347 Using cellulosic web, forming fabric, transferring fabric and noncompressive drying |
| 03/30/1999 | US5888345 Absorbent granular product |
| 03/30/1999 | US5887630 Papermakers fabric with enhanced cmd support and stacking |
| 03/30/1999 | CA2229371A1 Fabric made from extruded, cut to size hollow tubes |
| 03/30/1999 | CA2228297A1 Woven loop seam fabric with improved loop alignment |
| 03/30/1999 | CA2179795C Clip type fastener |
| 03/30/1999 | CA2126115C Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine |
| 03/25/1999 | WO1999014430A1 Floor absorbent granular product |
| 03/25/1999 | WO1999014146A1 Method and arrangement for guiding a paper or board web |