| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
|---|
| 06/21/2005 | CA2363944C Cylindrical screen |
| 06/16/2005 | WO2005054573A1 A screening apparatus for screening pulp suspensions and method of operating the apparatus |
| 06/16/2005 | US20050126986 Papermaking screen device |
| 06/16/2005 | US20050126725 Device for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web |
| 06/16/2005 | CA2545631A1 A screening apparatus for screening pulp suspensions and method of operating the apparatus |
| 06/15/2005 | EP1540074A1 Production of refined cellulose fibre from waste materials |
| 06/15/2005 | EP1540073A1 Method of manufacturing mechanical or chemi-mechanical pulp and an apparatus for manufacturing the same |
| 06/15/2005 | CA2482564A1 Papermaking screen device |
| 06/14/2005 | US6905032 Screens for fibrous paper suspensions and process for making same |
| 06/14/2005 | CA2179729C Apparatus and process for pumping and separating a mixture of gas and liquid |
| 06/08/2005 | CN1205383C Drum sieve |
| 06/08/2005 | CN1205382C Screening machine |
| 06/02/2005 | DE19826879B4 Verfahren und Behälter zum Stapeln von hochkonsistentem Papierfaserstoff Method and container stacking high-consistency paper pulp |
| 05/31/2005 | USRE38738 Cylindrical screen, particularly for paper pulp |
| 05/26/2005 | WO2005046879A1 Separation apparatus and method |
| 05/25/2005 | EP1533040A1 Hydrocyclone |
| 05/19/2005 | WO2005045128A1 Screening apparatus and screen basket for screening pulp suspensions |
| 05/19/2005 | DE102004047949A1 Sieb- bzw. Sortiervorrichtung Screeners and sorter |
| 05/19/2005 | DE102004047948A1 Sieve assembly to separate foreign bodies from a fiber suspension in a paper making process has a profiled sieve setting up vortices in incoming suspension |
| 05/18/2005 | EP0865484B1 Novel xylanase composition and method for production thereof |
| 05/12/2005 | WO2005042832A1 Method and apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp |
| 05/12/2005 | US20050098481 Fractionation or screening device |
| 05/12/2005 | DE202005003105U1 Collection container for heavy particles, separated from a fiber suspension of recycled paper by a hydrocyclone, has an inner cylindrical guide to give an axial flow into the container |
| 05/12/2005 | DE202005003104U1 Collection container for heavy particles, separated from a fiber suspension of recycled paper by a hydrocyclone, has a fixed insert of spaced and axial brake bars |
| 05/12/2005 | CA2543781A1 Method and apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp |
| 05/11/2005 | CN1614141A Papermaking strainer |
| 05/11/2005 | CN1201049C Pulp-screening device |
| 05/10/2005 | CA2072771C Screen element |
| 04/28/2005 | DE20320880U1 Hydrocyclone assembly for the separation of abrasive particles from recycled paper is a two-part converging ceramic structure linked by a sleeve |
| 04/28/2005 | CA2447098A1 Method for estimating an optimal dosage of bleaching agent to be mixed with wood chips |
| 04/27/2005 | CN1198675C Screen mesh |
| 04/26/2005 | US6883669 Multi-element airfoil for pulp screens |
| 04/21/2005 | US20050082206 Screen for a pulp strainer |
| 04/20/2005 | CN1607297A Sieve net |
| 04/20/2005 | CN1198109C Method and apparatus for separation of steam and gas from possibly glue-coated fibre pulp produced by a refiner |
| 04/19/2005 | US6881028 Pumping device |
| 04/14/2005 | US20050078390 Gasket for a sector of a disc filter |
| 04/13/2005 | EP1522628A1 Papermaking strainer |
| 04/12/2005 | US6878236 Raw material for printing paper, a method for producing said raw material and a printing paper |
| 04/07/2005 | US20050072730 Papermaking strainer |
| 04/07/2005 | CA2482563A1 Papermaking strainer |
| 04/06/2005 | EP1520072A1 Multi-stage screening apparatus, screen basket and method for screening pulp suspensions |
| 04/06/2005 | CN2690437Y Out flow type pressure sieve rotary wing sheet |
| 03/31/2005 | WO2005028745A1 A thickener for concentration of fibre suspensions |
| 03/22/2005 | US6869504 Apparatus for passing stock into a headbox of a paper machine or equivalent |
| 03/22/2005 | US6868973 Drum type refining or washing apparatus |
| 03/17/2005 | DE10337944A1 Process to remove gas from fibrous suspension in paper or carton manufacturing assembly |
| 03/16/2005 | EP1322898B1 Method and apparatus for separation of steam and gas from possibly glue-coated fibre pulp produced by a refiner |
| 03/10/2005 | WO2005021865A1 Screen structure for use in the manufacture of a fiber product |
| 03/10/2005 | US20050053496 Pulp pump |
| 03/10/2005 | DE202004019123U1 Hydro-cyclone, especially for separation of paper/cellulose fibers from a suspension, has a cone at the separation chamber in two parts locked together by a connector for easy replacement |
| 03/09/2005 | EP1512786A2 Rotor for screening apparatus for screening papermaking pulp |
| 03/09/2005 | EP0929714B2 Screening device, such as a screen cylinder, and method of manufacture of the screening device |
| 03/09/2005 | CN1590642A Rotor blade for paper making pulp pressure pulp screening machine |
| 03/03/2005 | WO2005019529A1 Method for manufacturing screen cylinder and screen cylinder |
| 03/03/2005 | US20050045530 Rotor with multiple foils for screening apparatus for papermaking pulp |
| 03/03/2005 | US20050045529 Vortex inducing rotor for screening apparatus for papermaking pulp |
| 03/02/2005 | EP1509652A1 Basket for the filtering of fibres in aqueous suspension |
| 03/02/2005 | EP1509331A1 Hydrocyclone |
| 03/02/2005 | EP1147316B1 Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 03/02/2005 | CA2479272A1 Rotor with multiple foils for screening apparatus for papermaking pulp |
| 02/24/2005 | WO2005017253A1 Method and device for separating material flows |
| 02/24/2005 | US20050040099 Screen cylinder |
| 02/24/2005 | US20050039615 Extraction bedplate with laser or water jet cut apertures |
| 02/23/2005 | EP1508638A1 Method for treating pulp containing disturbing vessel cells |
| 02/23/2005 | EP1507922A1 Bar screen device |
| 02/22/2005 | CA2478566A1 Screen |
| 02/22/2005 | CA2477941A1 Gasket for a sector of a disc filter |
| 02/10/2005 | US20050029373 Refiner steam separation system for reduction of dryer emissions |
| 02/03/2005 | WO2005010274A1 Isolation of sclereids |
| 02/03/2005 | DE10331488A1 Verfahren zur Bestimmung des bei der Flotation oder Wäsche einer Papierfasersuspension auftretenden Feststoff- oder Faserverlustes Method for determining the loss of solids or fibers occurring during flotation or washing of a paper fiber suspension |
| 02/02/2005 | EP1159481B1 Upgrading of tmp to an sc/lwc quality |
| 01/27/2005 | US20050016700 Isolation of sclereids |
| 01/25/2005 | US6846381 Measuring consistency; adjust defibering; process control |
| 01/20/2005 | WO2005005716A1 Method and arrangement for treating pulp |
| 01/20/2005 | CA2531642A1 Method and arrangement for treating pulp |
| 01/19/2005 | EP1497010A1 Method and device for separating out dense materials |
| 01/19/2005 | CN1568229A Extraction bedplate with laser or water jet cut apertures |
| 01/13/2005 | DE10337821B3 Process to remove non-cellular matter from cellular paper pulp cellulose and foreign matter are dispersed and fractionated |
| 01/12/2005 | EP1496154A1 Process for determining the loss of solid material or fibres during washing or flottation of a fibrous suspension |
| 01/12/2005 | CN2670418Y Rotor screen for paper pulp filter |
| 01/11/2005 | CA2095302C Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby |
| 01/06/2005 | US20050000891 Screen and process for manufacturing a screen of this kind |
| 01/04/2005 | CA2325432C Method and device for the flotation of pollutants from an aqueous fibrous material suspension |
| 12/30/2004 | US20040261619 Method and apparatus for separation of steam and gas from possibly blue-coated fiber pulp produced by a refiner |
| 12/16/2004 | WO2004109276A1 Determination of contaminant particles in an aqueous pulp |
| 12/16/2004 | WO2004109010A1 Method for the manufacture of a multilayer web |
| 12/15/2004 | CN2663494Y Stock cleaner capable of eliminating multi foreign substances |
| 12/15/2004 | CN1180161C Screen mesh device |
| 12/15/2004 | CN1180160C Screen mesh device |
| 12/15/2004 | CN1180159C Sieve mesh device |
| 12/09/2004 | WO2004106632A1 Refiner steam separation system for reduction of dryer emissions |
| 12/09/2004 | US20040245165 Screen basket for screening suspensions |
| 12/09/2004 | US20040244926 Removal impurities during papermaking using screen housing; rinsing, flushing with aqueous solution |
| 12/09/2004 | CA2526119A1 Refiner steam separation system for reduction of dryer emissions |
| 12/08/2004 | EP1483443A1 Screen basket for screening suspensions |
| 12/08/2004 | CN1553979A Method and apparatus and screen for screening mechanical fibre pulp |
| 12/07/2004 | US6827820 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board |
| 12/01/2004 | CN2659548Y Skim gate for pipeline |
| 12/01/2004 | CN1550612A Plant for cleaning and degassing fibrous suspension |