| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 03/23/2001 | CA2320504A1 Device for guiding backwater produced in a paper machine |
| 03/22/2001 | DE19945156A1 Web spreader roller for a papermaking or cardboard prodn machine has a rotating roller mantle tube on an inner body supported by a center and side bearings with relative radial movements to set the roller bend |
| 03/22/2001 | DE19932745A1 Regelung des Druckes in einer Stoffauflaufdüse Regulating the pressure in a headbox |
| 03/21/2001 | EP1085126A1 Wet web transfer belt |
| 03/21/2001 | EP1085121A2 Device for cleaning a papermaking fabric |
| 03/21/2001 | EP1085120A1 Band for use in machines and process for making the same |
| 03/21/2001 | EP1084473A1 Paper stock shear and formation control |
| 03/21/2001 | EP1084295A2 A process for the production of paper |
| 03/21/2001 | EP1084294A1 Papermaker's double layer forming fabric |
| 03/21/2001 | CN2424224Y Anti-skid anti-bias spiral net conveyor belt pulp washing machine |
| 03/21/2001 | CN1063506C Wire-cloth made of composite material for paper-making machine and its making method |
| 03/20/2001 | US6203667 Method for regulating basis weight of paper or board in a paper or board machine |
| 03/20/2001 | US6203666 Method and device for paper web manufacturing |
| 03/20/2001 | US6203665 Measuring and setting desired basis weight cross-direction profile by adjusting sectional consistency in headbox; adjusting sectional, specific pulp slurry flow rate at die exit opening; enlarging die exit; increasing flow rate |
| 03/20/2001 | US6202705 Warp-tied composite forming fabric |
| 03/15/2001 | WO2000043591A8 Headbox and setting device therefor |
| 03/14/2001 | EP1083259A2 Headbox |
| 03/14/2001 | EP0828889B9 Use of agents for cellulose and paper production |
| 03/14/2001 | CN1286956A Paper napkin capable of being fast degraded biologically and its production process |
| 03/13/2001 | US6200423 Measuring the cross-machine direction overall basis weight profile of web and measuring cross-machine direction basis weight profile of each layers in web and in response of measurement increasing or decreasing the dilution water |
| 03/13/2001 | US6200421 Apparatus and process for feeding stock to a papermachine |
| 03/13/2001 | US6200417 Process and device for mixing stock suspensions |
| 03/07/2001 | EP1080265A1 Method and device for flotation of pollutants from an aqueous fibrous material suspension |
| 03/07/2001 | EP1080264A1 Paper forming activity control with lifting variable inertial stimulation blades with limited-vent indented-surfaces |
| 03/07/2001 | CN1062927C Antifalsification paper and tape, and method for making same |
| 03/07/2001 | CN1062925C Suspension-treating device |
| 03/06/2001 | US6197161 Profile bar assembly for a headbox in a paper-making machine |
| 03/06/2001 | US6197159 Paper making machine and method for web transfer |
| 03/06/2001 | US6197158 Pressing drying screen against fibrous pulp web, whereby elastic layer compresses against fibrous pulp web; adhering fibrous pulp web to drying screen via temporary suction by elastic layer; guiding fibrous pulp web on shaped surface |
| 03/06/2001 | US6197154 Low density resilient webs and methods of making such webs |
| 03/01/2001 | WO2001014636A1 Wire pit |
| 03/01/2001 | WO2001014635A1 Bi-component molded modular link and a fabric made from a plurality thereof |
| 03/01/2001 | WO2001014634A1 Molded modular link and a fabric made from a plurality thereof |
| 03/01/2001 | WO2001014633A1 Method of controlling the operation of an approach system of a paper machine or the like web formation apparatus |
| 03/01/2001 | DE19940980A1 Assembly to clean a roller surface at the gap between the roller and the departing fourdrinier/blanket has a structured suction channel and cleaning spray tube with a suction box and deflector bars |
| 03/01/2001 | DE19940915A1 Papermaking system has jets linked to chambers to delivery a variety of pulp masses on to a fourdrinier under control to structure the character of the paper/cardboard to be produced |
| 03/01/2001 | DE19940424A1 Roller with a rotating mantle tube around a fixed core has setting units and bearings to adjust and maintain the radial gap between the mantle and core in a controlled bending action |
| 03/01/2001 | DE10043142A1 Stock inlet control uses pulp density sensors and flow meters to register the pulp condition for comparison with nominal values for deviations to be corrected rapidly by a control circuit |
| 03/01/2001 | DE10040999A1 Assembly for cleaning the wet blanket at the press section of a paper/cardboard prodn machine has an underlay below the moving blanket with angled surfaces to create underpressure pockets to extract debris and water |
| 03/01/2001 | CA2383417A1 Method of controlling the operation of an approach system of a paper machine or the like web formation apparatus |
| 03/01/2001 | CA2382304A1 Bi-component molded modular link and a fabric made from a plurality thereof |
| 03/01/2001 | CA2382299A1 Molded modular link and a fabric made from a plurality thereof |
| 02/22/2001 | WO2000070146A3 Standardizing the cross-direction thickness profile prior to long-nip calendering |
| 02/22/2001 | DE19939514A1 System for cleaning continuous belts/blankets at papermaking machines sprays the belt surface with a cleaning fluid to give wet surfaces exposed to ultrasonic waves and dissolve impurities for removal with the fluid |
| 02/22/2001 | DE19938799A1 Recovery of waste water from the fourdrinier section of a papermaking machine takes the water sprays into an initial zone for deceleration and air extraction to be passed into a second zone as a suspension for further air separation |
| 02/21/2001 | EP1076735A1 Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production |
| 02/21/2001 | EP0641404B1 Process and apparatus for circulating backwater in a papermaking machine |
| 02/20/2001 | US6190504 At least a part of the recovered different water flows are cleaned, and the cleaned water flows are recirculated to applications of reuse suitable in view of their washing potential in the papermaking process. |
| 02/20/2001 | US6190503 Insoluble, only slightly swellable polymers which contain polymerized vinylamine units, and these polymers are used as adsorbents for treating water circulations in papermaking and for treating paper machine wastewaters |
| 02/20/2001 | US6189577 Papermakers fabric with stacked machine direction yarns |
| 02/20/2001 | CA2162791C Endless multilayer fabric for densifying paper materials and production process thereof |
| 02/15/2001 | WO2000056974A3 Papermaker's yarn |
| 02/15/2001 | DE19942047A1 Stock inlet turbulence generator, has insert for at least one turbulence tube with mechanism to vary its cross section by structured movements in wide setting range with high mechanical stability |
| 02/15/2001 | DE19937302A1 Stock inlet for papermaking machine has turbulence insert with structured turbulence channels shaped with expansion zones to prevent stripe effects and reduce or eliminate flow instabilities |
| 02/14/2001 | CN1062035C Method and appts for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 02/13/2001 | US6187146 Mounting arrangement for wet end weight measurement system |
| 02/08/2001 | DE19936330A1 Stoffauflauf Headbox |
| 02/08/2001 | DE19936089A1 Suction box to hold a fiber web against a carrier belt has an open side to act on the carrier and web with a guide rod to reduce the penetration of the belt into the box through the suction action |
| 02/07/2001 | EP1074656A2 Headbox |
| 02/07/2001 | EP1073789A1 System of regulation for a paper machine |
| 02/07/2001 | EP0991799A4 Paper machine clothings constructed of interconnected bicomponent fibers |
| 02/07/2001 | CN2418151Y Device for recovering micro-fiber from paper-making |
| 02/07/2001 | CN1283243A Low density resilient webs and method of making such webs |
| 02/06/2001 | US6183602 Twin wire former dewatering device for a paper machine |
| 02/06/2001 | US6183595 Aqueous fibrous material |
| 02/06/2001 | US6182478 Apparatus for cleaning a suspension, preferably a fiber mass suspension |
| 02/06/2001 | CA2039210C Paper mill press felt conditioner |
| 02/01/2001 | WO2001007711A1 Method and apparatus for washing fibre pulp mixture |
| 01/31/2001 | EP1071846A1 Method and device for concentrating liquid-drenched material |
| 01/31/2001 | CN1282396A Air press for dewatering wet web |
| 01/31/2001 | CN1282395A Method for making soft tissue |
| 01/31/2001 | CN1282394A Method for making tissue sheets on modified conventional wet-pressed machine |
| 01/31/2001 | CN1282393A Method for making low-density tissue with reduced energy input |
| 01/31/2001 | CN1282392A Textured impermeable papermaking belt, process of making, and process of making paper therewith |
| 01/31/2001 | CN1282391A Woven fabric |
| 01/30/2001 | US6179963 Influence the cross-machine profiles of breaking length ratio and basis weight so that they primarily run linearly by directly correlating the breaking length ratio with the fiber alignment or fiber orientation in the paper web |
| 01/30/2001 | US6179013 Low caliper multi-layer forming fabrics with machine side cross machine direction yarns having a flattened cross section |
| 01/25/2001 | WO2001006241A1 Arrangement for measuring properties of a moving paper web |
| 01/25/2001 | WO2001006046A1 Industrial fabrics having components of polytrimethylene terephthalate |
| 01/25/2001 | DE19934879A1 Drying sieve guiding paper, card or tissue webs during manufacture or finishing, has edges which are much more heat resistant than its central region |
| 01/25/2001 | CA2379603A1 Arrangement for measuring properties of a moving paper web |
| 01/24/2001 | EP1070172A1 Papermaking belt providing improved drying efficiency for cellulosic fibrous structures |
| 01/24/2001 | EP1070164A1 Fabric and seam construction |
| 01/24/2001 | CN1281076A Transfer belt of wet roll paper |
| 01/23/2001 | US6176976 Profile control weir for cylinder paper machines |
| 01/23/2001 | US6176975 Headbox |
| 01/23/2001 | US6176939 Cleaning device and process |
| 01/23/2001 | US6176271 Fabric seams |
| 01/23/2001 | CA2203025C Method to reduce forming fabric edge curl |
| 01/18/2001 | WO2001004415A1 Method for eliminating detrimental substances in a process liquid |
| 01/18/2001 | WO2001004411A1 Woven fabric |
| 01/18/2001 | WO2001004201A1 High molecular weight zwitterionic polymers |
| 01/18/2001 | DE19928488C1 Verfahren zur dosierbaren Verdünnung der Faserstoffsuspension in oder vor einem Stoffauflauf einer Papiermaschine A process for metered dilution of the pulp suspension in or before a headbox of a paper machine |
| 01/18/2001 | CA2377695A1 Method for eliminating detrimental substances in a process liquid |
| 01/17/2001 | EP1069236A2 Regulating the pressure in a headbox |
| 01/17/2001 | EP1069235A1 Transfer belt for a paper machine |
| 01/17/2001 | CN1280227A Multiple shaft press fabric with forming garn |
| 01/17/2001 | CN1280225A Conveyer belt for paper making machine |
| 01/16/2001 | US6174825 Resin-impregnated belt for application on papermaking machines and in similar industrial application |
| 01/16/2001 | US6174410 Process apparatus for recovering raw materials from paper mill effluents |