| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 01/16/2001 | US6174368 Stationary sliding bar |
| 01/16/2001 | US6173831 Endless belt |
| 01/11/2001 | WO2001002634A1 Warp-tied composite forming fabric |
| 01/11/2001 | WO2001002629A1 Abrasion resistant spun articles |
| 01/11/2001 | WO2000060164A3 Method of treatment of the water circuit of paper machines |
| 01/11/2001 | DE19930592A1 Stoffauflauf Headbox |
| 01/10/2001 | EP1067239A2 Multiaxial press fabric having shaped yarns |
| 01/09/2001 | US6171447 Papermaking belt having peninsular segments |
| 01/04/2001 | WO2001000928A1 Method for manufacturing colored striped paper |
| 01/03/2001 | EP1065312A2 Paper machine felt |
| 01/03/2001 | EP1065311A2 Headbox |
| 01/02/2001 | CA2253048C Warp loop seam |
| 12/28/2000 | WO2000079041A1 Method and apparatus for forming a paper web |
| 12/28/2000 | CA2312111A1 Paper making machine with variable dewatering elements including variable pulse turbulation blades adjusted by computer control system in response to sensors of paper sheet characteristics |
| 12/27/2000 | EP1063349A2 Method of manufacturing a laminated papermaking fabric |
| 12/27/2000 | EP1063348A2 Paper making machine with variable drainage foils |
| 12/27/2000 | EP1063347A1 Method of dosable dilution of pulp suspension in or before a head box of a paper machine |
| 12/27/2000 | CN1277918A Method for mfg. pressed fabric using heat acting adhesion agent spiral connecting top folding layer |
| 12/26/2000 | US6165614 Blend with liquid crystalline polymer; knot strength |
| 12/26/2000 | US6165324 Multi-layer headbox and separator vane therefor |
| 12/26/2000 | CA2219382C Laminated industrial conveying fabric having seaming end loops projecting through outer lamination |
| 12/22/2000 | CA2312301A1 Process and apparatus for metered dilution of fibrous material suspension in or in front of a material intake of a paper machine |
| 12/21/2000 | WO2000077298A1 Method for removing water on the wire section of a pulp dryer and a dewatering unit |
| 12/21/2000 | DE19928059A1 Security marking for document and banknote paper |
| 12/21/2000 | DE10026308A1 Head box distributor for paper or card machine includes devices varying constriction and swirl to smooth-out consistency profile over full width of machine |
| 12/20/2000 | EP1061174A2 Headbox |
| 12/20/2000 | CN1277646A Introduction of fiber-free foam into or near a headbox during foam process web making |
| 12/19/2000 | US6162518 Textile length, process for producing one such textile length, and a device for executing this process |
| 12/19/2000 | US6162326 Process for draining a fibrous pulp suspension |
| 12/19/2000 | CA2069866C Apparatus for filtering liquids |
| 12/14/2000 | WO2000075423A1 Process and apparatus for making papermaking belt using extrusion |
| 12/14/2000 | WO2000075422A1 Method and apparatus for preparing paper pulp from used paper |
| 12/14/2000 | WO2000075419A1 Distribution device for a device for dewatering pulp |
| 12/14/2000 | WO2000075408A2 Automatic seaming machine |
| 12/14/2000 | WO2000075407A1 Method for producing a twisted thread for technical fabric and paper machine fabric |
| 12/14/2000 | DE19941593A1 Verfahren zur Herstellung eines Zwirns für technisches Gewebe und Papiermaschinengewebe A process for producing a twisted yarn for technical fabrics and paper machine fabric |
| 12/14/2000 | DE19926809A1 Turbulence generator at the stock inlet of a papermaking/cardboard prodn machine has a structured layout for the rows of turbulence tube channels with different opening intervals at the entry and outlet ends for space saving |
| 12/14/2000 | DE19926805A1 Stock inlet for a papermaking machine etc has one or more fluid injectors at the turbulence tubes to inject controlled fluid doses with min effect on the total suspension vol flow |
| 12/14/2000 | DE19926804A1 Stoffauflauf Headbox |
| 12/14/2000 | DE19926803A1 Stock inlet for a papermaking/cardboard prodn machine has structured turbulence channels between the outer walls and the blades at the outlet to prevent the development of macrostructures in the fiber suspension |
| 12/12/2000 | US6159341 Wire part for forming a multi-ply fiber web |
| 12/12/2000 | US6158478 Wear resistant design for high temperature papermachine applications |
| 12/12/2000 | CA2215928C Headbox additive injection system |
| 12/07/2000 | WO2000073580A1 Tissue paper making machine, tissue paper produced therewith, and method for producing such a tissue paper |
| 12/07/2000 | WO2000073579A1 Screen cylinder for a screw press |
| 12/07/2000 | DE19924293A1 Tissue-Papiermaschine, damit hergestelltes Tissue-Papier und Verfahren zum Herstellen eines solchen Tissue-Papiers Tissue-paper machine, thus produced tissue paper and methods for making such a tissue paper |
| 12/05/2000 | US6155308 Industrial fabric |
| 11/28/2000 | US6153057 Methods and apparatus to enhance paper and board forming qualities |
| 11/28/2000 | CA2025418C Polyester fibers modified with carbodiimides and process for their preparation |
| 11/23/2000 | WO2000070146A2 Standardizing the cross-direction thickness profile prior to long-nip calendering |
| 11/23/2000 | DE19923404A1 Stock inlet for paper/cardboard pulp delivery has a flexible wall section at the flow channel walls to the outlet gap to compensate for pressure changes to maintain a constant gap width |
| 11/23/2000 | DE19923149A1 Fine control system for the pressures at the stock inlet of a papermaking machine |
| 11/23/2000 | DE19922817A1 Vorrichtung und Verfahren zur Steuerung oder Regelung des Flächengewichts einer Papier- oder Kartonbahn Apparatus and method for controlling or regulating the basis weight of a paper or cardboard web |
| 11/22/2000 | EP1054102A2 Process and apparatus for controlling or regulating the basis weight of a paper- or board web |
| 11/22/2000 | EP1054100A2 Method for manufacturing a paper or board web and a paper or board machine |
| 11/22/2000 | EP1054098A1 Papermaking fabric, in particular a dryer cloth |
| 11/22/2000 | EP1054097A1 Papermaking fabric, in particular a dryer cloth |
| 11/22/2000 | EP1053198A1 Method and arrangement for guiding a paper or board web |
| 11/22/2000 | CN1274028A Method of producing paper or paperboard and paper maker or paperboard maker |
| 11/21/2000 | US6149770 Underwire water weight turbulence sensor |
| 11/21/2000 | US6149767 Water solutions on paper fibers of fabrics |
| 11/21/2000 | US6148869 Dual layer papermaking fabric formed in a balanced weave |
| 11/21/2000 | US6148831 Method for cleaning a web |
| 11/21/2000 | CA2214003C Process for the manufacture of a strip material |
| 11/21/2000 | CA2188885C Method and arrangement for recovering fiber |
| 11/16/2000 | DE19922391A1 Siebwasserkreislauf und Verfahren zur Wasserzirkulation einer Papiermaschine White water circuit and method for water circulation of a paper machine |
| 11/15/2000 | EP1052327A1 White water circuit and process for the circulation of water in a papermachine |
| 11/14/2000 | US6146502 Paper making machine with a traveling deckle board |
| 11/14/2000 | US6146501 Cross-machine direction stiffened dividers for a papermaking headbox |
| 11/14/2000 | US6146500 Papermaking |
| 11/14/2000 | US6145550 Multilayer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 11/09/2000 | WO2000066832A1 Method and apparatus for recovering fibres from white water of paper mill |
| 11/09/2000 | WO2000066831A1 Method and apparatus for mixing dilution liquid into a stock flow in a paper or board machine |
| 11/09/2000 | DE19920480A1 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 11/09/2000 | CA2370162A1 Method and apparatus for recovering fibres from white water of paper mill |
| 11/08/2000 | EP1050342A1 Method for removing impurities from an aqueous paper fiber suspension |
| 11/07/2000 | US6143800 Compositions and method for inhibiting organic contaminant deposition in pulp and papermaking systems |
| 11/07/2000 | US6143135 Air press for dewatering a wet web |
| 11/07/2000 | US6143092 Process for cleaning a transport belt |
| 11/02/2000 | WO2000050695A8 Method in connection with the production of paper or cardboard |
| 11/02/2000 | EP0817887B1 Process for the production of a web of material |
| 11/02/2000 | DE19919720A1 Fiber web formation zone has flexible blades at the stock inlet jet to guide the fiber suspension flow without turbulence between the fourdriniers at the support units which apply different pressures in zones |
| 11/02/2000 | DE19917832A1 Papiermaschinen-Bespannung sowie damit hergestelltes Tissue-Papier Papermachine clothing as well as tissue paper so produced |
| 11/02/2000 | DE19917053A1 Stock inlet for papermaking has structured turbulence generators with different distributions to maintain a homogenous high speed suspension flow and prevent the formation of stripes in the paper |
| 11/01/2000 | CN1272155A Multi-layer screen for wet area of paper machine and product manufactured using same |
| 10/31/2000 | US6139690 Former with a floating upper lip |
| 10/31/2000 | US6139687 Cross-machine direction stiffened dividers for a papermaking headbox |
| 10/31/2000 | US6139685 Method and device for treating a pulp suspension |
| 10/26/2000 | WO2000063490A1 Paper machine clothing and tissue paper produced using the same |
| 10/26/2000 | WO2000063489A1 Paper machine clothing and tissue paper produced with same |
| 10/26/2000 | DE19918549A1 System to clean fourdriniers at a papermaking or cardboard production machine, has cleaning stations to direct high pressure and compressed gas/air streams at the fourdriniers in their path without fittings at guide rollers |
| 10/26/2000 | DE19917869A1 Blanket to carry a paper web for tissue paper at the through-air-drying section of a papermaking machine, has a structured repeat woven pattern with inlets or recesses on the side towards the carried web |
| 10/24/2000 | US6136152 Process and device for controlling the consistency and fiber orientation profile in a headbox |
| 10/24/2000 | US6136148 Method for cleaning fabrics of a paper machine |
| 10/24/2000 | US6135267 Device for cleaning a transport belt |
| 10/19/2000 | DE19930464C1 Paper machine blanket, used in pressing of paper machine, has fleece layer based on synthetic fibers with low water absorption containing synthetic fibers with higher water absorption |
| 10/19/2000 | DE19915735A1 Flotation assembly to separate suspension into fractions which are rich and poor with separated matter comprises flotation column with center inflow and blades to divert low fraction into collection zone |
| 10/18/2000 | CN1270545A Apparatus for cleaning a suspension, preferably a fiber mass suspension |
| 10/17/2000 | CA2214253C A vacuum apparatus having textured clothing for controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 10/13/2000 | CA2301368A1 Method for improving the edge strength of a fibrous mat |