| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
|---|
| 01/09/2003 | WO2002034357A8 Slotted screen device |
| 01/09/2003 | US20030006173 Cylindrical screen |
| 01/09/2003 | US20030006016 Refining wood raw material, and screening in a plurality of stages into regect and accept portions to form a ready made stock having a freeness value of 30-70 ml at a consistency of >/= 10% |
| 01/08/2003 | EP1273697A2 Method and device for degassing suspension, especially fibrous suspension |
| 01/08/2003 | EP1273696A1 Cylindrical screen |
| 01/07/2003 | CA2197378C Papermaking screen |
| 01/03/2003 | WO2003000982A1 Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp) |
| 01/03/2003 | CA2451155A1 Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp) |
| 01/02/2003 | US20030000870 Screening device and rotor for use in a screening device |
| 01/02/2003 | US20030000670 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method |
| 12/31/2002 | US6499603 Screen for cleaning pulp suspensions |
| 12/25/2002 | CN1096895C Method and apparatus for screening waste paper pulp |
| 12/25/2002 | CN1096873C Composite screen |
| 12/19/2002 | US20020189994 Screen for fiber suspensions and method for the manufacture thereof |
| 12/18/2002 | EP1266080A1 Method of draining water from low-consistency water-fibre suspensions |
| 12/18/2002 | EP1266079A1 Screening device and rotor for use in a screening device |
| 12/18/2002 | EP1266078A1 Raw material for printing paper, method to produce it and printing paper |
| 12/18/2002 | EP1266077A1 Arrangement and rotor for screening of pulp |
| 12/18/2002 | EP1266076A1 Method to screen pulp and a pulp screen |
| 12/18/2002 | EP1266073A1 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method |
| 12/18/2002 | EP1266072A1 Raw material for printing paper, method to produce it and printing paper |
| 12/18/2002 | CN1096527C Filter for pulp fluid used in manufacturing paper |
| 12/18/2002 | CN1096526C Paper-making screen apparatus |
| 12/12/2002 | US20020185416 Screen cylinder |
| 12/11/2002 | EP1012378B1 Screening apparatus with dilution liquid supply means |
| 12/10/2002 | US6491744 Device for deaerating of fiber stock suspensions |
| 12/10/2002 | US6491168 Pulp screen basket |
| 12/05/2002 | WO2002097190A1 Screen for screening of pulp suspensions |
| 12/05/2002 | US20020179263 Covering interior of vessel overcoating screen; supplying cleaning compound |
| 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 | CA2445483A1 Screen for screening of pulp suspensions |
| 12/04/2002 | EP1262594A1 Process for separating specified materials from an aqueous fibrous material suspension |
| 11/28/2002 | WO2002095129A1 Printing paper |
| 11/27/2002 | EP0912794B1 A cylindrical screen and a method of producing the same |
| 11/21/2002 | WO2002092906A1 Screening device |
| 11/21/2002 | DE19930088C2 Hydrozyklon zum Entfernen von Störstoffen aus einer Flüssigkeit Hydrocyclone for removing contaminants from a fluid |
| 11/20/2002 | EP0863784B1 Extended dwell reverse hydrocyclone cleaner |
| 11/13/2002 | CN2520343Y 纸浆筛选网 Pulp screening network |
| 11/12/2002 | US6479789 Manufacture of screen plate with screen slots obtained by laser beam cutting |
| 11/06/2002 | EP0975833B1 Screening apparatus with reject flow restriction means |
| 11/06/2002 | EP0928350B1 Baffle for reactors used for liquids purification |
| 10/30/2002 | EP1253239A1 Device for degassing fibrous suspension |
| 10/29/2002 | US6470898 Paper stock cleaning apparatus |
| 10/24/2002 | WO2002083578A2 Process and apparatus for the removal of scale build-up |
| 10/24/2002 | WO2002083263A1 Screen cylinder and method |
| 10/24/2002 | CA2802168A1 Screen cylinder and method |
| 10/24/2002 | CA2444853A1 Process and system for the removal of scale build-up |
| 10/23/2002 | EP1012379B1 Blade arrangement for pulp screening apparatus |
| 10/17/2002 | US20020148763 Screen cylinder and method |
| 10/17/2002 | DE10156201C1 To process high consistency paper fiber materials, an initial high consistency volume is held in a stack for a dwell time, to be taken off at the bottom by a circulation flow for dilution and delivery as a suspension |
| 10/17/2002 | DE10116367A1 Siebeinrichtung zur Nasssiebung von Papierfasersuspensionen Screening device for wet screening of paper fiber suspensions |
| 10/17/2002 | DE10115298A1 Drucksortierer zum Entfernen von Störstoffen aus einer störstoffhaltigen Papierfasersuspension Pressure screen for removing contaminants from a paper stock containing foreign fiber suspension |
| 10/15/2002 | US6464758 Gas apparatus having vessels, intakes and discharging apertures used for separation of paper/cardboard |
| 10/15/2002 | CA2124810C Hydrocyclone with turbulence creating means |
| 10/11/2002 | WO2001061104A1 Sieve for fibre suspensions and a method for producing same |
| 10/11/2002 | CA2403127A1 Sieve for fibre suspensions and a method for producing same |
| 10/10/2002 | DE10116368A1 Verfahren zur Aufbereitung von holzstoffhaltigem Altpapier A method for treating waste paper holzstoffhaltigem |
| 10/09/2002 | EP1247893A2 Screening device for wet screening of pulp suspensions |
| 10/09/2002 | EP1247892A2 Treatment of wood-containing waste paper |
| 10/08/2002 | CA2195870C Method and apparatus for screening a fiber suspension |
| 10/03/2002 | US20020139723 Pressure screen to remove impurities from a paper fiber suspension containing impurities and its use |
| 10/02/2002 | EP1245724A2 Pressure screen for cleaning paper pulp containing impurities and its use |
| 10/02/2002 | EP0889989B1 Method and device at the pumping of a medium |
| 09/28/2002 | CA2379425A1 Pressure screen to remove impurities from a paper fiber suspension containing impurities and its use |
| 09/26/2002 | WO2002075047A1 Pumping device |
| 09/19/2002 | WO2002072947A1 Method for controlling screening by measuring flow amount and consistency of the pulp |
| 09/19/2002 | US20020130075 Screening device, such as a screen cylinder, and method of manufacture of the screening device |
| 09/19/2002 | US20020129909 Method of removing high density stickies from secondary papermaking fibers |
| 09/19/2002 | DE10112478A1 Paper fibres lifted from grading sieve by relative motion between grooved wing profile and sieve surface |
| 09/19/2002 | CA2440185A1 Method for controlling screening by measuring flow amount and consistency of the pulp |
| 09/18/2002 | EP1240386A1 Method of controlling the operation of an approach system of a paper machine or the like web formation apparatus |
| 09/12/2002 | US20020124977 Device for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web |
| 09/04/2002 | CN1367711A Degassing centrifugal apparatus, process for pumping and degassing fluid and process for producing paper or board |
| 08/29/2002 | US20020117275 Process and apparatus for the production of cellulose pulps of improved quality |
| 08/29/2002 | US20020117053 Assembly and method for separating gas from flowing liquids |
| 08/29/2002 | DE10132220A1 Verfahren zur spezifischen Abscheidung unterschiedlicher Störstoffe aus einer papierfaserhaltigen Suspension Method for the specific deposition of various contaminants from a paper fibrous suspension |
| 08/22/2002 | WO2002064884A1 Filter for fibrous suspensions |
| 08/22/2002 | CA2435616A1 Filter for fibrous suspensions |
| 08/21/2002 | EP1080265B1 Method and device for flotation of pollutants from an aqueous fibrous material suspension |
| 08/14/2002 | DE10205062A1 Anordnung und Verfahren zum Abscheiden von Gas aus strömenden Flüssigkeiten Arrangement and method for separating gas from flowing liquids |
| 08/14/2002 | CN2505510Y Pule plastic and foregn matter separator |
| 08/07/2002 | EP1229164A2 Device for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web |
| 07/30/2002 | US6426003 Screening device and method of manufacture |
| 07/30/2002 | US6425986 Process for degassing a paper stock suspension |
| 07/30/2002 | US6425486 Cylindrical screen and a method of manufacturing it |
| 07/30/2002 | US6425333 Loading car for bulk materials |
| 07/25/2002 | WO2002057542A1 Apparatus for passing stock into a headbox of a paper machine or equivalent |
| 07/25/2002 | US20020096272 Method to manufacture paper using fiber filler complexes |
| 07/25/2002 | CA2433331A1 Apparatus for passing stock into a headbox of a paper machine or equivalent |
| 07/18/2002 | DE10100904A1 Fine mesh sieve, for pressure sorting in the paper industry, is tensed between flanges which also carry a supporting coarse mesh wire sieve on a diagonal, to support the fine mesh against alternating underpressure/overpressure forces |
| 07/17/2002 | CN2500704Y Double-roll displacing pressing pulp washer |
| 07/16/2002 | US6418963 Pipe attachment |
| 07/11/2002 | WO2002053831A1 Method for removing air from the tail water reservoir of a paper machine and a corresponding tail water reservoir |
| 07/10/2002 | CN2499431Y Rod type wave screen drum |
| 07/09/2002 | US6416632 Apparatus for degassing an aqueous suspension containing pulp fibers |
| 07/09/2002 | US6416622 Hybrid multistage forward cleaner system with flotation cell |
| 07/04/2002 | DE10065930A1 Production of a sieve, for sorting a wet paper fiber suspension, has grooves at the upper surface to take narrower inserted bars, to be secured by screw fasteners through them into the lower support frame |
| 07/03/2002 | EP1218590A1 Method in connection with the production of paper or cardboard |
| 07/03/2002 | CN2498197Y Screen net with spiral positioning screen bar supporting lever |
| 07/02/2002 | US6413366 Method and device for flotation of pollutants from an aqueous fibrous material suspension |