| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
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| 05/26/2010 | EP2188442A1 Constant part for a paper machine |
| 05/25/2010 | CA2461732C Extraction bedplate with laser or water jet cut apertures |
| 05/20/2010 | WO2010054912A1 Hydrocyclone |
| 05/20/2010 | DE102008057339A1 Hydrozyklon Hydrocyclone |
| 05/19/2010 | CN201473830U Papermaking pulp moderate pressure pulp screen |
| 05/19/2010 | CN101117779B Method of mechanical pulp making by using cotton pole |
| 05/18/2010 | US7718034 reducing volatile organic compound (VOC) emissions generated during refining cellulose fibers, by transporting a mixture of fibers and steam containing VOC's into a steam separator, then discharging cleaned fibers, mixing with a phenol-formaldehyde resin and drying the mixture |
| 05/12/2010 | EP2183427A1 Apparatus for separating from cellulose fibres in paper recycling processes |
| 05/12/2010 | DE102008056505A1 Arrangement for production of finished fibrous material suspension for manufacturing paper-, cardboard-, tissue- or another fibrous material web, has high-consistency flow containing fiber or filler material and low-consistency flow |
| 05/12/2010 | CN201459502U Pulp stock disperser |
| 05/12/2010 | CN1865583B Pulping process for mixed Devil's Rush herb and reed |
| 05/06/2010 | DE112008001476T5 Verfahren zur Verarbeitung von Faserstoff A method for processing the fibrous |
| 05/05/2010 | CN201447633U Fiber separator |
| 05/05/2010 | CN101701431A Method for producing bleached pulp for viscose fibers from bamboo |
| 04/22/2010 | WO2010043766A1 Pulp processing method and system |
| 04/22/2010 | WO2010043756A1 A method of manufacturing a rotor for a screening apparatus, a rotor and a turbulence element for a rotor |
| 04/22/2010 | WO2010043279A1 Degassing method |
| 04/22/2010 | CA2740555A1 A method of manufacturing a rotor for a screening apparatus and a rotor |
| 04/21/2010 | CN1742134B Apparatus and method in the treatment of the stock passed to a headbox of a paper machine |
| 04/14/2010 | EP2173454A1 Improved filtering basket for fibres in water dispersion. |
| 04/14/2010 | CN101694075A Low energy consumption clean paper pulp extracting method and papermaking process thereof |
| 04/14/2010 | CN101260629B Physical method ecological paper pulp manufacturing technique |
| 04/08/2010 | DE202010001595U1 Lochanordnung für Siebe Hole arrangement for screens |
| 04/07/2010 | EP2170482A1 Separation pump |
| 04/07/2010 | CN101103153B Screen and method for screening pulp |
| 04/06/2010 | US7691184 Method and arrangement at gas removal, and the use thereof |
| 04/01/2010 | WO2008131976A8 Screen |
| 03/25/2010 | WO2010031119A1 A separation device with dual drives and a method of reducing donutting in a separation device |
| 03/25/2010 | CA2736782A1 A separation device with dual drives and a method of reducing donutting in a separation device |
| 03/24/2010 | EP2165018A1 High yield and enhanced performance fiber |
| 03/23/2010 | CA2651702C Fiberboards, uses and methods of preparation thereof |
| 03/18/2010 | US20100065670 Extraction bedplate with laser or water jet cut apertures |
| 03/17/2010 | CN101675192A Method for the production of a screen, particularly a rigid screen, for the treatment of fibrous material suspensions suitable for the production of paper |
| 03/17/2010 | CN101671970A Split type rotary drum pulping device |
| 03/16/2010 | US7678283 Filtering a pulp slurry in a tank with a rotary drum filter having a filter deck assembly of a corrugated sheet, drainage slots, perforated filter plate, seal clip; easy replacement of the filter plate and corrugated sheet combination(s) and/or cap strip |
| 03/03/2010 | CN201417388Y Control system of fiber classification screen |
| 03/03/2010 | CN201416126Y Control system of pre-net flow pressure screen |
| 03/03/2010 | CN201416125Y Seal device for rotation shaft of pressure screen |
| 03/03/2010 | CN201416124Y Rotor for screening plant |
| 03/03/2010 | CN201416123Y Double layer paper pulp purifying vibration sieve frame |
| 03/03/2010 | CN201416122Y Disintegrating unit of single-effect fiber separator |
| 03/03/2010 | CN201416121Y Control system of high-consistency cleaner |
| 03/03/2010 | CN201416120Y Control system of fine-mesh pressure screen |
| 03/03/2010 | CN201416119Y Control system of upflow pressure coarse screen |
| 03/03/2010 | CN201416118Y Control system of single-effect fiber separator |
| 02/25/2010 | DE102008038601A1 Arrangement for treatment of pulp suspension, has fraction arrangement, which is formed with fine fraction and coarse fraction |
| 02/24/2010 | CN201411591Y Screw conveying/quality adjusting type pulp storing device |
| 02/24/2010 | CN100591847C A method of manufacturing a screen cylinder and a screen cylinder |
| 02/24/2010 | CN100591846C Screen device |
| 02/18/2010 | WO2010018120A2 Fractionating arrangement |
| 02/17/2010 | EP2152962A1 Screen |
| 02/17/2010 | EP2152961A1 Method for the production of a screen, particularly a rigid screen, for the treatment of fibrous material suspensions suitable for the production of paper |
| 02/17/2010 | CN201406608Y Pressurized screen device for papermaking |
| 01/27/2010 | EP2147150A1 Rotor element and a rotor for a screening apparatus |
| 01/27/2010 | CN100585069C Method for papermaking utilizing waste paper containing wax |
| 01/20/2010 | CN201386233Y Strainer drum unit provided with disturbance grooves |
| 01/20/2010 | CN100582364C Method of preparing double-embedded type rod drum |
| 01/13/2010 | EP2142700A1 An apparatus for removing gas in connection with a paper machine or corresponding |
| 01/13/2010 | EP1395704B1 Printing paper |
| 01/07/2010 | WO2010002348A1 A method and an apparatus for controlling a flow of pulp suspension |
| 01/07/2010 | CA2729452A1 A method and an apparatus for controlling a flow of pulp suspension |
| 12/30/2009 | CN100575598C Intermittent pressure pulp screen |
| 12/24/2009 | DE102008029038A1 Method for separating plastic particles, particularly foil remainder, from mixture, particularly aqueous mixture, involves applying mixture on filter device with shaft field |
| 12/23/2009 | CN100572658C Method for controlling gooey with 100% waste newsprint paper deinked pulp esterase |
| 12/22/2009 | CA2492202C System for separating fluid-borne material from a fluid that carries particulate matter along with the material |
| 12/22/2009 | CA2376238C Sealing arrangement for a pulp dewatering arrangement |
| 12/16/2009 | CN101603277A Hydraulic push rod type bin |
| 12/08/2009 | US7628890 Extraction bedplate with laser or water jet cut apertures |
| 11/26/2009 | WO2009141147A1 Improved filtering drum for fibre suspensions in water |
| 11/25/2009 | CN101586314A Mechanical method for making pulp by extruding sunflower stems |
| 11/24/2009 | US7622018 Modernization of existing pulp towers either to allow the use of higher consistencies in the storage part thereof, or to allow the dilution to a lower consistency; for use in the wood processing industry for bleaching and/or storage of high-consistency pulp; efficiency, upgrading |
| 11/18/2009 | CN101581052A Spiral dual-embedded screen cylinder and manufacture method thereof |
| 11/11/2009 | CN101575822A Lug blade type screening rotor |
| 11/11/2009 | CN101575821A Screen drum device with interference tank |
| 10/28/2009 | EP2112272A1 Method and apparatus for the integrated cleaning of a paper-pulp processing plant |
| 10/28/2009 | CN101565913A Method for producing corrugated paper with ultralow gram weight and high strength |
| 10/22/2009 | DE102008019197A1 Method for removing contaminants from aqueous fiber suspension, particularly waste paper suspension, involves separating fiber suspension into two streams |
| 10/07/2009 | CN101553622A Method of manufacturing a multilayer fibrous product |
| 10/06/2009 | US7597201 Device for cleaning fibrous suspensions for paper production |
| 09/30/2009 | EP2104766A1 Sieve apparatus for a contaminated fibrous stock suspension, and its use |
| 09/24/2009 | US20090236267 Screen and method for screening pulp |
| 09/24/2009 | DE102008014950A1 Impurities separating method for fibrous material suspension in paper production, involves holding set of openings of filter freely by temporal changes of difference of pressure arising in sorter openings |
| 09/23/2009 | CN101542040A Sieve apparatus for a contaminated fibrous stock suspension, and its use |
| 09/23/2009 | CN100542651C Filtering baskets for filtering fibers in suspension and the filtering basket manufacture method |
| 09/17/2009 | DE102008013458A1 Method for eliminating extraneous material from aqueous fiber suspension, particularly waste paper suspension, involves accomplishing fractionation of aqueous fiber suspension for forming fine fraction and coarse fraction |
| 09/17/2009 | DE102008013034B3 Verfahren zum Einstellen und/oder Optimieren einer einen Gutstoff von einem Schlechtstoff trennenden Sortieranlage und Sortieranlage A method for adjusting and / or optimizing an accepted stock from a bad one substance separating and sorting sorting |
| 09/16/2009 | CN201310052Y Drum-circle middle ring of screen cylinder capable of changing spoke |
| 09/11/2009 | WO2009109278A1 Method for setting and/or optimizing a sorting system separating acceptable material from unacceptable material, and sorting system |
| 09/09/2009 | EP2098272A1 Arrangement for splicing flat screen panels together for forming a cylindrical screen therewith |
| 09/09/2009 | CN100536976C Method and device for mixing material flows |
| 09/03/2009 | DE102008011744A1 Heavy parts separating method for fiber suspension in paper producing industry, involves measuring electrical conductivity of wear detector in certain time intervals using measuring device, and giving signal during change of conductivity |
| 08/27/2009 | DE102008010447A1 Fibrous material suspension treating and utilizing method for manufacturing paper, involves forming fine fraction and coarse fraction by fractioning function, where coarse fraction is predominantly used for layer of paper |
| 08/26/2009 | CN201296878Y Bottom cutter of coarse sieve |
| 08/26/2009 | CN100532706C Screening apparatus and screen basket for screening pulp suspensions |
| 08/19/2009 | CN201292478Y Sifter blade and sifter for screening paper pulp |
| 08/19/2009 | CN101512067A A method and apparatus for filling and cleaning a pulp tower. |
| 08/13/2009 | US20090201975 Degassing centrifugal apparatus with sensor |
| 08/13/2009 | DE102008008762A1 Filtrate treating method for use during thickening of paper fiber suspension obtained from waste paper to produce graphical paper, involves adding partial flows to filtrates, where partial flows are produced from condensed substances |
| 08/12/2009 | CN201288273Y Screen drum with replaceable spokerib component |
| 08/12/2009 | CN201288272Y Compound double-layer barrate type pulping engine for filtrating broken slurry |