| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
|---|
| 12/03/2008 | CN201158778Y Stick screen drum with long direction reinforced stick |
| 12/03/2008 | CN201158777Y Double anti-insertion type stick of stick screen drum |
| 12/03/2008 | CN201158776Y Pressure screen housing with dilution belt device |
| 11/19/2008 | EP1992735A1 Method and device for aerating suspensions |
| 11/13/2008 | US20080277087 Screen Cylinder |
| 11/13/2008 | DE212007000035U1 Siebflügel und Sieb zum Sieben von Stoff Siebflügel and sieve for screening material |
| 11/12/2008 | CN201148569Y Replaceable spoke rib type screen cylinder |
| 11/06/2008 | WO2008131976A1 Screen |
| 11/06/2008 | WO2008131974A1 Method for the production of a screen, particularly a rigid screen, for the treatment of fibrous material suspensions suitable for the production of paper |
| 11/06/2008 | WO2008131818A1 Method for forming calcium carbonate in a fibrous material suspension |
| 11/06/2008 | DE102007000645A1 Sieb IV Sieve IV |
| 11/06/2008 | DE102007000642A1 Sieb II Sieve II |
| 11/06/2008 | DE102007000641A1 Rigid sieve for treatment of fiber suspensions suitable for generating paper, has two openings and linked to layers with part of openings is designed and arranged so that openings are provided through all layers of sieve |
| 11/06/2008 | CA2685390A1 Screen |
| 11/05/2008 | EP1988211A2 Outlet device for a pressurized vessel having a combined radial bearing and hydraulic drive motor |
| 11/05/2008 | CN101300387A 筛鼓 Drum sieve |
| 10/23/2008 | US20080257506 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 |
| 10/23/2008 | DE102007039744A1 Pulper zum Recyceln eines Gemenges Pulper for recycling of a mixture |
| 10/15/2008 | CN201132912Y Pressure screen rotor |
| 10/15/2008 | CN201132911Y Novel pressure screen mechanical sealing chamber |
| 10/09/2008 | WO2008119880A1 Rotor element and a rotor for a screening apparatus |
| 10/09/2008 | WO2008119872A1 An apparatus for removing gas in connection with a paper machine or corresponding |
| 10/09/2008 | DE102007015901A1 Siebvorrichtung Screening device |
| 10/09/2008 | CA2682652A1 An apparatus for removing gas in connection with a paper machine or corresponding |
| 10/09/2008 | CA2682457A1 Rotor element and a rotor for a screening apparatus |
| 10/08/2008 | EP1585857B1 A multi-element airfoil for pulp screens |
| 10/08/2008 | CN101280533A Method for preparing low quantitative paper sheets |
| 10/08/2008 | CN101280532A Process of paper line base paper for spinning |
| 10/01/2008 | CN201125346Y Double-embedded type bar drum |
| 10/01/2008 | CN101275371A Non-chemical steaming semi-mechanical pulping paper making process and apparatus therefor |
| 10/01/2008 | CN100422437C Screen for cleaning a fiber suspension |
| 09/17/2008 | CN101265674A Intelligence control pressure screen |
| 09/17/2008 | CN100418605C Strainer for cleaning fibrous suspensions |
| 09/10/2008 | EP1967646A2 Screen device |
| 09/10/2008 | CN101260629A Physical method ecological paper pulp manufacturing technique |
| 09/10/2008 | CN101260627A Papermaking screen device |
| 09/08/2008 | CA2623889A1 Papermaking screen device |
| 09/03/2008 | CN201109887Y Discontinuous pressure strainer |
| 09/03/2008 | CN201109886Y Multilevel single drum rotor pressure screen |
| 09/03/2008 | CN101255661A Energy-saving type pressure screen with preprocessing function |
| 08/28/2008 | US20080202713 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 |
| 08/20/2008 | CN201103074Y Adjustable energy-saving multifunctional mixer |
| 08/13/2008 | EP1954874A1 Screen cylinder |
| 08/13/2008 | EP1954873A2 Method for manufacturing paper |
| 08/06/2008 | CN101235613A Method for preparing glue-free lightweight high-strength fiber board |
| 08/05/2008 | US7407563 Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent |
| 07/29/2008 | CA2397138C Method of draining water from low-consistency water-fibre suspensions |
| 07/24/2008 | WO2008087107A1 Method for the production of high quality paper |
| 07/23/2008 | CN101225618A Pulp concentration adjusting method and device for used paper recycling apparatus |
| 07/22/2008 | CA2393858C Raw material for printing paper, method to produce it and printing paper |
| 07/18/2008 | CA2614219A1 Screen plates having diagonal slots with curved inlets for a digester |
| 07/16/2008 | CN201087308Y Desander for papermaking |
| 07/16/2008 | CN101220567A Method for controlling with 100aste newsprint paper deinked pulp esterase |
| 07/16/2008 | CN100402743C Method for extruding black liquor from high-hardness plasm obtained by boiling grass plant raw material |
| 07/09/2008 | CN101215796A Discharging device for middle and high concentration reserving tower |
| 06/17/2008 | US7387708 Process for feeding pulp into a blow tank or storage tank |
| 06/10/2008 | US7384503 Removal impurities during papermaking using screen housing; rinsing, flushing with aqueous solution |
| 06/03/2008 | US7381295 Centrifuging, cleaning; pressurized screens; bypass manifolds; circulation |
| 05/29/2008 | WO2008061582A1 Sieve apparatus for a contaminated fibrous stock suspension, and its use |
| 05/29/2008 | US20080121358 Method And System For Treating A Fibrous Suspension |
| 05/29/2008 | DE102006008760B4 Anordnung zur Zuführung von Stoffkomponenten in eine Papiermaschine Arrangement for feeding material components in a paper machine |
| 05/29/2008 | DE102004047949B9 Sieb- oder Sortiervorrichtung Screen or sorter |
| 05/20/2008 | US7374050 High capacity and high efficiency filter deck assembly |
| 05/20/2008 | CA2527780C Isolation of sclereids |
| 05/15/2008 | WO2008055762A1 Method mtd device for degassing a suspension |
| 05/15/2008 | WO2008035368A3 Core board |
| 05/14/2008 | EP1921205A1 Method for removing disturbing fibres, fibre fragments or vessel cells from an aqueous fibrous solution |
| 05/06/2008 | US7368037 Refiner steam separation system for reduction of dryer emissions |
| 04/30/2008 | CN201053497Y Shaft sealing device of pressure pulp screen |
| 04/30/2008 | CN101171390A Screen basket with replaceable profiled bars |
| 04/24/2008 | DE202008001967U1 Sieb Sieve |
| 04/24/2008 | DE202007014091U1 Sieb, insbesondere starres Sieb für die Behandlung von zur Papiererzeugung geeigneten Faserstoffsuspensionen Sieve, especially rigid sieve suitable for the treatment of papermaking fiber suspensions |
| 04/16/2008 | EP1567710B1 Apparatus and method for production of pulp |
| 04/16/2008 | CN101161928A Bleaching process for broussonetia papyrifera white bast bio-pulp |
| 04/13/2008 | CA2593240A1 Gas free valve for pulp vacuum washer and method |
| 04/09/2008 | CN101158128A Intermittent pressure pulp screen |
| 04/08/2008 | CA2376795C Method and apparatus for preparing paper pulp from used paper |
| 03/27/2008 | WO2008035368A2 Core board |
| 03/20/2008 | WO2008031921A1 Method of manufacturing a multilayer fibrous product |
| 03/20/2008 | CA2663134A1 Method for manufacturing a fibrous product incorporating screening of fines |
| 03/13/2008 | WO2008028771A1 A method and apparatus for filling and cleaning a pulp tower |
| 03/13/2008 | CA2662731A1 A method and apparatus for filling and cleaning a pulp tower |
| 03/12/2008 | EP1576230B1 System for separating fluid-borne material from a fluid that carries particulate matter along with the material |
| 03/12/2008 | EP1266072B1 Raw material for printing paper, method to produce it and printing paper |
| 03/05/2008 | EP1895046A1 Pulper with screen plate having maximum defibering edges |
| 03/05/2008 | CN101135121A Pulper with screen plate having maximum defibering edges |
| 02/21/2008 | WO2008019507A1 Fiberboards, uses and methods of preparation thereof |
| 02/21/2008 | DE102006038866A1 Verfahren zur Behandlung eines Papierfasergemisches A method for treating a paper fiber mixture |
| 02/20/2008 | EP1889971A1 Method for treating a paper fibre mixture |
| 02/13/2008 | EP1664422B1 A thickener for concentration of fibre suspensions |
| 02/13/2008 | CN201021484Y Multi-level dual drum rotary wing pressure sifter |
| 02/12/2008 | CA2186328C Blade for a screening apparatus |
| 02/07/2008 | US20080029232 Process and Device to Manufacture Cellulose Pulp |
| 02/06/2008 | EP1884592A1 Method for feeding a fibrous material suspension into the headbox of a paper machine |
| 02/06/2008 | EP1884591A1 Method for feeding a fibrous material suspension into a headbox |
| 02/06/2008 | CN101117779A Method of mechanical pulp making by using cotton pole |
| 01/31/2008 | DE102006055316B3 Sieve for the recovery of fibers from recycled paper has main cylinder section inclined at an angle to that of the rotor |
| 01/30/2008 | EP1882773A1 Screen apparatus |
| 01/30/2008 | CN101115567A Degassing centrifugal apparatus with sensor |
| 01/30/2008 | CN101113579A Screen apparatus |