| Patents for D21D 1 - Methods of beating or refining; Beaters of the hollander type (3,356) |
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| 08/06/2008 | EP1953294A1 Refiner plates with high-strength high-performance bars |
| 08/06/2008 | CN201095709Y Horizontal pulping machine |
| 08/05/2008 | US7407123 Refiner plates with logarithmic spiral bars |
| 08/02/2008 | CA2618213A1 Refiner plates with high-strength high-performance bars |
| 07/30/2008 | CN201092635Y Grinding disc of high consistency refining machine |
| 07/30/2008 | CN201092634Y Tricone double-current type pulping machine |
| 07/30/2008 | CN101230552A Technique for chemomechanical pulp-making of poplar wood |
| 07/30/2008 | CN101230550A Method for making pulp by secondary water cyclic utilization of boiling waste fluid, waste vapour and lignin |
| 07/24/2008 | WO2008087107A1 Method for the production of high quality paper |
| 07/23/2008 | CN101225620A Method for preparing high-whiteness chemical pulp and paper products thereof by using corn stalk |
| 07/22/2008 | CA2393858C Raw material for printing paper, method to produce it and printing paper |
| 07/16/2008 | CN101220569A Pulping bleaching assistant and cold soaking pulping process |
| 07/16/2008 | CN101220565A Pulping method with zero discharge of sewage water |
| 07/15/2008 | US7399377 comprises feeding an air stream to the hammermill at an air feed location downstream from the pulp feed location; milling the pulp sheet in the hammermill to produce singulated fibers; conveying at an outlet location oriented at an angle |
| 07/09/2008 | CN101215801A Method for preparing high permeating degree fruit cultivating bag paper and products thereof |
| 07/08/2008 | US7396435 introducing pulps to rotating screw conveyors, then depositing on moving belts, smoothening and feeding to a flaker to reduce the size of pulp into flakes |
| 07/02/2008 | CN101210394A Technique for producing pure biological paper pulp |
| 06/26/2008 | US20080149291 Refiner for refining pulp |
| 06/25/2008 | CN100396846C Method for defibring recycled fibre material in a drum pulper, and a drum pulper |
| 06/19/2008 | US20080142181 High defiberization chip pretreatment apparatus |
| 06/11/2008 | CN101195890A High chromium abrasion-proof cast iron abrasive disc and manufacturing method thereof |
| 06/04/2008 | CN100392178C Cow dung paper pulp producing process with cow dung as material |
| 06/04/2008 | CN100392177C Process of immersing rolling for pulping and special eqiupment thereof |
| 06/03/2008 | US7381303 System and method for controlling a thermo-mechanical wood pulp refiner |
| 06/03/2008 | US7381294 subjecting slurry containing pulp of solid component concentration of 1 to 6 wt % to treatment with a disc refiner |
| 05/28/2008 | EP1925722A1 Refining element for refining fibres, in particular papermaking fibres, and refiner with such a refining element |
| 05/21/2008 | CN101182694A Special type latex paper production method |
| 05/15/2008 | WO2008056978A1 Apparatus for processing fibrous pulp material |
| 05/14/2008 | EP1284824B1 Method of operating a paper pulp refiner and paper pulp refiner system |
| 05/14/2008 | CN101177921A Continuous pulping method for cotton stalk natural color chemomechanical pulp |
| 05/08/2008 | US20080105391 Upstream of preheating section of a mechanical refining system defibrating fiberizing wood chip feed in a low intensity disc refiner until > 30 percent of the fibers are axially separated with < 5 percent fibrillation; > 90% fiber obtained after defibrillated in a high intensity disc; efficiency |
| 04/30/2008 | CN101171388A Process for producing mechanical pulp suitable for paper or cardboard making |
| 04/30/2008 | CN101168934A Method for preparing applique paper |
| 04/30/2008 | CN101168845A Abrasion resistance material and application thereof in paper-making paste mill |
| 04/29/2008 | US7364638 pressing out water in a thickening device to form a highly consistent paper fiber stock, then heating the highly consistent paper fiber stock, and dispersing the heated highly consistent paper fiber stock with dispersers |
| 04/23/2008 | CN100383337C Preparation method of paper cushion for protecting stainless steel |
| 04/17/2008 | DE112006001002T5 Verfahren zur Herstellung mechanischen Zellstoffs, der zur Herstellung von Papier oder Pappe geeignet ist A process for producing mechanical pulp suitable for making paper or paperboard |
| 04/16/2008 | CN100381637C Preparation method of thermostable paper cushion for protecting stainless steel |
| 04/10/2008 | WO2008041919A1 Bearing play adjustment |
| 04/10/2008 | US20080083520 low energy pulping of lignocellulosic material, such as wood chips, to produce high quality pulps |
| 04/10/2008 | CA2664981A1 Bearing play adjustment |
| 04/09/2008 | EP1028809B1 Method and device for treatment of fibrous material |
| 04/09/2008 | CN101160432A Disc housing |
| 04/09/2008 | CN101158137A Method for manufacturing lightweight acoustic insulation shock-proof wood-based panel by employing waste and old fibre |
| 04/09/2008 | CN101158136A Method for manufacturing lightweight acoustic insulation shock-proof wood-based panel by employing waste papers |
| 04/08/2008 | US7354011 Refining element |
| 04/08/2008 | CA2376795C Method and apparatus for preparing paper pulp from used paper |
| 04/03/2008 | US20080078854 Composite refiner plate |
| 04/02/2008 | EP1242676B1 Method and apparatus for washing fibre pulp mixture |
| 04/02/2008 | CN201043253Y Environment-friendly and energy-saving type fabric extruding, twisting and pulping machine |
| 04/02/2008 | CN101153472A Method for crushing paper pulp into powders and method for producing cellulose ether |
| 03/27/2008 | DE10258324B4 Verfahren zur Herstellung von Garnituren für das Mahlen von wasserhaltigem Papierfaserstoff A process for producing fittings for the grinding of water-containing paper pulp |
| 03/20/2008 | US20080066877 Feeding wood chips through a compression screw device having a pressure of >5psig of saturated steam, feeding the decompressed material into a fiberizing, low-intensity disc refiner to axially separate >30 % fiber bundles without substantial fibrillation of the fibers; fibrillation, pulping; papermaking |
| 03/19/2008 | EP1377410A4 Method of diagnosing and controlling a grinding mill for paper and the like |
| 03/05/2008 | EP1893938A1 Method and arrangement for mounting a sensor designed for measuring the distance between stator and rotor |
| 02/27/2008 | CN101130936A Method for reducing energy consumption during wet refining of mechanical pulp |
| 02/27/2008 | CN101130934A Colored cotton linter pulp used for producing viscose fiber and method for making the same |
| 02/20/2008 | EP1889971A1 Method for treating a paper fibre mixture |
| 02/20/2008 | EP1034041B1 Refining elements |
| 02/20/2008 | CN101126210A Refiner plate segment with triangular inlet feature |
| 02/19/2008 | CA2300737C Refiner force sensor |
| 02/15/2008 | CA2594471A1 Refiner plate segment with triangular inlet feature |
| 02/13/2008 | CN101122102A Paper making disc type paste mill grinding clearance on-line accurate measuring technique |
| 02/13/2008 | CN100368091C Refiner |
| 02/07/2008 | US20080029627 Tooth refiner plates with varying feeding angles and refining method |
| 02/07/2008 | US20080029232 Process and Device to Manufacture Cellulose Pulp |
| 02/06/2008 | CN201016152Y Single-plate paste mill |
| 02/06/2008 | CN101117779A Method of mechanical pulp making by using cotton pole |
| 02/05/2008 | US7325464 Method and a device for measuring stress forces in refiners |
| 01/30/2008 | CN101113578A System and method to align refiner plates during installation on a disc |
| 01/29/2008 | US7322539 Refining surface for a refiner for defibering material containing lignocellulose |
| 01/23/2008 | CN201010821Y Belt feeder of single grinding disc pressure-constant grinder |
| 01/23/2008 | CN201010820Y Multifunctional grinding pan |
| 01/22/2008 | CA2362667C Refining element |
| 01/16/2008 | CN101105014A Pulp-breaking machine extraction bedplate for fiber separation for paper pulp |
| 01/15/2008 | US7318880 Method for defibring recycled fiber material in a drum pulper, and a drum pulper |
| 01/15/2008 | CA2426014C Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof |
| 01/10/2008 | WO2008003121A1 Paper strengthening methods and apparatus |
| 01/09/2008 | EP1874999A1 Method for preparing paper-fibre raw material |
| 01/09/2008 | EP1874475A2 Refiners and methods of refining pulp |
| 01/09/2008 | CN201003124Y Oblique blade beater |
| 01/09/2008 | CN101100830A Technique for producing sheet-type electronic component paper carrying base paper by using waste paper pulp |
| 01/09/2008 | CN101100826A Pump suction type non-metal high-density paste mill |
| 01/09/2008 | CN100360739C Millstone for refiner |
| 01/09/2008 | CN100360738C Fiberizer |
| 01/03/2008 | US20080000600 Method and Device for Dilution of Cellulose Pulp |
| 01/02/2008 | EP1871949A1 Disc housing |
| 12/20/2007 | DE102004039986A1 Grinding aqueous, suspended paper fibers for paper production, by processing fibers in grinding zone between grinding tools, and supplying fluid flow of suspended fibers by pipelines leading through by grinding tools to grinding side |
| 12/19/2007 | EP1702104B1 Method for grinding water-suspended paper fibers or cellulose fibers |
| 12/19/2007 | CN101089289A Poplar ASGW pulp new process |
| 12/12/2007 | CN200988933Y Concentration controller in pulping technological process |
| 12/05/2007 | CN200985470Y Papermaking beater grinding piece and refiner stator and rotor |
| 11/29/2007 | US20070272778 TMP Refining of destructured chips |
| 11/28/2007 | EP1860232A1 Method for beating of pulp, method for treatment of process water, and process for producing pulp and paper |
| 11/27/2007 | US7300550 High intensity refiner plate with inner fiberizing zone |
| 11/27/2007 | US7300541 High defiberization chip pretreatment |
| 11/27/2007 | US7300540 Thermomechanical refining of wood chips; steaming to soften; high compression; destructuring and dewatering; dilution; feeding to rotating disc primary refiner with discs having an inner and outer ring pattern of bars and grooves; pressurized macerating screw includes expansion wall that flares |
| 11/21/2007 | EP1856324A1 Method of refining wood chips or pulp in a high consistency conical disc refiner |
| 11/21/2007 | CN101076632A Dual zone wireless pulp washer |
| 11/21/2007 | CN101074548A Production of stretched paper bag |