| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 05/31/2000 | CN2380598Y Dry pulp paper-machine without pollution |
| 05/31/2000 | CN1255174A Papermaking belt with improved elongation resin |
| 05/31/2000 | CN1254642A Pressing figured fabrics and making method thereof |
| 05/30/2000 | US6068736 Slice lip clamp assembly for a slice lip of a headbox |
| 05/30/2000 | US6068582 Roll shell support |
| 05/30/2000 | US6068132 Perfected reactor for liquids purification |
| 05/30/2000 | CA2157205C Twin-wire former |
| 05/25/2000 | WO2000029668A1 A method for forming a web from aerosuspension of fibrous material |
| 05/25/2000 | DE3448581C2 Seaming ends of fabric to form endless belt, used e.g. in paper making |
| 05/25/2000 | DE19854079A1 Powered roller for a papermaking/paper finishing machine has a mantle rotating on journals at the ends with a closed electromotor drive within one journal at the supporting pedestal |
| 05/25/2000 | CA2350508A1 A method for forming a web from aerosuspension of fibrous material |
| 05/24/2000 | EP1002892A1 Flat textile fabric |
| 05/24/2000 | EP1002155A1 Fabric seam |
| 05/24/2000 | CN2379509Y Strength fiber dewatering net |
| 05/23/2000 | US6066390 Low permeability spiral fabric |
| 05/23/2000 | US6065505 Helix seam for woven papermaking dryer fabrics |
| 05/23/2000 | CA2069876C An apparatus for filtering suspensions and a method of operating the apparatus |
| 05/18/2000 | WO2000028139A1 Method for forming web from aerosuspension of fibrous material |
| 05/18/2000 | WO2000028138A2 A device for feeding fibrous aerosuspension onto forming wire of paper-making machine |
| 05/18/2000 | DE19852635A1 Entry into the fourdrinier section of a papermaking/cardboard production machine has fourdrinier support surfaces at the converging entry for a pulp flow from the stock inlet without turbulence |
| 05/18/2000 | DE19852634A1 Blattbildungssystem Sheet forming system |
| 05/18/2000 | DE19852549A1 Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension Method and apparatus for removing particles from an aqueous paper fiber-containing suspension |
| 05/18/2000 | DE19852548A1 Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension Method and apparatus for removing particles from an aqueous paper fiber-containing suspension |
| 05/18/2000 | CA2350129A1 Method for forming web from aerosuspension of fibrous material |
| 05/18/2000 | CA2349294A1 A device for feeding fibrous aerosuspension onto forming wire of paper-making machine |
| 05/17/2000 | EP1001080A2 Forming section |
| 05/17/2000 | EP1001079A1 Method and device for removing particles from aqueous paper fibre suspension |
| 05/17/2000 | EP1001078A1 Method and device for removing particles from aqueous paper fibre suspension |
| 05/17/2000 | EP1001077A2 Process and apparatus for treating a web material |
| 05/17/2000 | EP1000197A1 Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 05/17/2000 | EP1000196A1 Multi-layer screen for the wet area of a paper machine and product manufactured using the same |
| 05/17/2000 | EP1000195A1 Double layer fabric having a high stability weave |
| 05/17/2000 | CN1253194A Method for producing decorative paperboard |
| 05/16/2000 | US6063241 Headbox with pulp consistency control |
| 05/16/2000 | US6063239 Security paper |
| 05/16/2000 | CA2214235C A vacuum apparatus having textured web-facing surface for controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 05/16/2000 | CA2123821C Web former in a paper machine |
| 05/11/2000 | DE19851593A1 Verfahren und Vorrichtung zur Behandlung einer Materialbahn Method and apparatus for treating a material web |
| 05/10/2000 | EP0999306A2 Embossed fabrics and method of making the same |
| 05/10/2000 | EP0998607A1 Warp-tied composite forming fabric |
| 05/10/2000 | EP0998606A1 Industrial fabrics and method of treatment |
| 05/10/2000 | CN1252847A Papermaker's fabric with auxiliary yarns |
| 05/09/2000 | US6060161 A multifilament pintle wire comprising a polyolefin being free of a resin coating; tensile strength; durability; nonstretching; wear resistance; joining the ends of papermachine clothing, press and dryer fabrics; papermaking |
| 05/09/2000 | US6059929 Multilayer fiber web |
| 05/04/2000 | WO2000024964A1 Method and device for attenuation of screen pulsations in the short circulation in a paper/board machine |
| 05/03/2000 | EP0997578A1 Headbox |
| 05/03/2000 | EP0997577A1 Headbox |
| 05/03/2000 | EP0996540A1 Paper machine clothings constructed of expanded ptfe |
| 05/03/2000 | EP0925393A4 Laminated integrally woven papermaker's fabric |
| 05/03/2000 | EP0602182B1 Apparatus and method for deinking waste paper pulp |
| 05/03/2000 | CN1252112A Modified spiral seam arrangement |
| 05/02/2000 | US6057255 Flat structure permeable to liquid, and a method for manufacturing such a structure |
| 05/02/2000 | US6056856 Blower for an air/water separator in a paper-making machine |
| 05/02/2000 | CA2214251C A vacuum apparatus having flow management device for controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 05/02/2000 | CA2160754C Process for the production of a breast box for a paper or cartonmaking machine as well as an intermediate portion for carrying out the process |
| 05/02/2000 | CA2127309C Method and device in the regulation of a headbox |
| 04/27/2000 | DE19848630A1 Paper web drying station, has support belt with specific dimensions, suction rollers and drying cylinders |
| 04/27/2000 | DE19847400A1 Apparatus for crushing and distributing particles to form a suspension includes a rotor whose stator side has an axial passage linked to an inlet passage and branches into several radial passages at its perimeter |
| 04/27/2000 | DE19845898A1 Drallbrecher Swirl breaker |
| 04/26/2000 | EP0995834A1 Method and device for improving the cross-machine shrinkage profile in a paper machine |
| 04/26/2000 | EP0778911B1 Method and device for washing the drying wire in a paper or board machine |
| 04/25/2000 | US6053986 Cleaning device and process |
| 04/25/2000 | US6053328 Baffle for reactors used for liquids purification |
| 04/20/2000 | WO2000022230A1 Channel in connection with a paper/board machine |
| 04/20/2000 | WO2000022229A1 Apparatus and method for mounting and dismantling a wear body in a paper making machine |
| 04/19/2000 | EP0993557A1 Spreader roll |
| 04/19/2000 | EP0993521A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions |
| 04/19/2000 | EP0993520A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions |
| 04/18/2000 | US6051108 Cleaning wet press felts and forming wires using a aqueous cleaning solution containing an acidic cleaning compound and peracetic acid |
| 04/18/2000 | US6051076 Cleaning a transport belt of a machine for manufacturing a material web |
| 04/18/2000 | CA2196231C Press felt resistant to nip rejection and method |
| 04/18/2000 | CA2053504C Recovery of surfactant from papermaking process |
| 04/13/2000 | WO2000020683A1 Method of producing a paper having a three-dimensional pattern |
| 04/13/2000 | DE19846614A1 Design of headbox nozzle in papermaking machine recognizes that high static pressure of initial suspension acceleration followed by lower pressure in parallel flow and offers material- and weight optimization opportunity |
| 04/12/2000 | EP0992625A1 Headbox system and method for improving the transverse consistency profile of a fiber web |
| 04/12/2000 | EP0992624A1 Apparatus for removing rotating flows |
| 04/12/2000 | EP0991810A1 A cleaning apparatus for cleaning a forming wire |
| 04/12/2000 | EP0991799A1 Paper machine clothings constructed of interconnected bicomponent fibers |
| 04/12/2000 | CN2373476Y Coating device for applying pulp on coarse cotton cloth |
| 04/12/2000 | CN1250500A Process for preparing fiber boards |
| 04/06/2000 | WO2000019152A1 Reactive silencer for industrial air channels and its use |
| 04/06/2000 | WO2000019014A1 High caliper paper and papermaking belt for producing the same |
| 04/06/2000 | WO2000019011A1 Pollution control method for cylindrical dryer used in paper machine |
| 04/06/2000 | WO2000019009A1 Pollution prevention method for canvas used in paper machine |
| 04/06/2000 | WO2000019008A1 Bridge device for paper forming equipment and method |
| 04/06/2000 | WO2000019007A1 Method and apparatus for dewatering a moving web |
| 04/06/2000 | DE19927241A1 Papermaking stock inlet jet structure |
| 04/06/2000 | DE19845722A1 Papermaking stock inlet jet structure |
| 04/06/2000 | CA2344343A1 Bridge device for paper forming equipment and method |
| 04/04/2000 | US6045656 Process for making and detecting anti-counterfeit paper |
| 03/30/2000 | WO2000017443A1 Method and apparatus for the thickening of fiber suspensions |
| 03/30/2000 | WO2000016888A1 A mixing method and a mixing chamber |
| 03/30/2000 | DE19843729A1 Control of the lateral shrinkage profile of a running paper or cardboard web uses on-line mapping to set the composition of the fiber suspension flows by sections at the stock inlet across the machine width |
| 03/30/2000 | DE19843728A1 Verfahren und Vorrichtung zur Reinhaltung beziehungsweise Reinigung des Niederkonsistenzstrangs eines Stoffauflaufsystems Method and apparatus for purification or cleaning the low consistency train of a headbox system |
| 03/30/2000 | DE19843727A1 Verfahren und Stoffauflaufsystem zur Verbesserung des Konsistenzquerprofils einer Faserbahn Method and system for improving the headbox consistency cross-section of a fiber web |
| 03/30/2000 | DE19831530C1 Flotation for cleaning fiber suspensions of used paper for recycling uses additional and larger gas bubbles to carry up the foreign matter with the air bubbles into a floating foam for removal |
| 03/29/2000 | EP0989476A2 Balance based mixing control device and control method |
| 03/29/2000 | EP0989230A1 Method and device for keeping clean or cleaning the low consistency line of a headbox system |
| 03/29/2000 | EP0988419A1 Cellulosic web, method and apparatus for making the same using papermaking belt having angled cross-sectional structure, and method of making the belt |
| 03/29/2000 | EP0988416A1 Papermachine clothing |