| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
|---|
| 08/12/2009 | CN101503867A Method for producing wrapping paper by oil palm empty fruit bunches mechanical pulping |
| 08/06/2009 | WO2009096890A1 Hydrocyclone |
| 08/06/2009 | CA2713843A1 Hydrocyclone |
| 08/05/2009 | CN101498112A Method for producing packaging paper by all cotton stalk mechanical pulping |
| 08/05/2009 | CN101498110A Method and apparatus for treating pulp |
| 07/29/2009 | EP2083118A1 Method and apparatus for treating a fiber suspension with hydrocyclone cleaners |
| 07/29/2009 | EP1784534B1 Screen assembly for a pulp digester |
| 07/29/2009 | CN201280661Y Stirrer |
| 07/29/2009 | CN101492894A Stirring process for paper-pulp |
| 07/22/2009 | EP2080557A1 Extraction bedplate with laser or water jet cut apertures |
| 07/22/2009 | EP2079874A1 Method and device for degassing a suspension |
| 07/22/2009 | CN100516357C Medium dense pulp tower |
| 07/14/2009 | US7560008 Extraction with compaction and springback considerations |
| 07/07/2009 | CA2361480C Device for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web |
| 07/01/2009 | EP2074258A1 Fiberboards, uses and methods of preparation thereof |
| 06/25/2009 | WO2009077001A1 Method for pulp preparation and pulp treatment and a paper, especially a tissue paper |
| 06/17/2009 | CN100500992C Process for producing purified pulp |
| 06/10/2009 | CN100497811C Rod drum with prestressed ring |
| 06/04/2009 | DE102007057846A1 Removing coloring particle, preferably printing ink particle from a fiber material comprises dissolving fiber material to form a suspension, adding calcium hydroxide and carbon dioxide into the suspension and removing the coloring particle |
| 06/03/2009 | EP2064387A1 A method and apparatus for filling and cleaning a pulp tower |
| 06/03/2009 | CN201250360Y 筛选机 Screening |
| 05/27/2009 | EP2061932A1 Method of manufacturing a multilayer fibrous product |
| 05/27/2009 | CN101440592A Production process of dispensable paper tableware |
| 05/27/2009 | CN101440586A Paper-making method by mechanical fibration of maize straw |
| 05/27/2009 | CN100492005C System and method for monitoring paper-making process |
| 05/22/2009 | WO2009062287A1 Screen basket |
| 05/22/2009 | CA2705475A1 Screen basket |
| 05/20/2009 | EP2060674A1 Method for defoaming and/or de-aerating process fluids in a paper machine |
| 05/20/2009 | CN100489192C Shaft sealer for pressurized slurry sieve |
| 05/07/2009 | WO2009056682A1 Screen, screen cylinder, flat screen and methods for manufacturing screen cylinder |
| 05/07/2009 | DE102007052461A1 Impurities i.e. larger printing ink particles, removal method for aqueous waste paper suspension, involves performing fractionation of waste paper suspension, removing printing ink particles and fractionating part of fine fraction |
| 05/07/2009 | DE102007052459A1 Wax separating method for preparation of fibers during paper or cardboard production, involves forming aqueous fiber suspension, removing floating layer from containing wax liquid and separating predominant part of liquid wax |
| 05/06/2009 | EP1450958B1 Extraction bedplate with laser or water jet cut apertures |
| 04/29/2009 | EP1407060B1 Hard-chromed sieve basket |
| 04/23/2009 | WO2009050338A1 Process for improving characteristics of pulp |
| 04/23/2009 | WO2009050335A1 Screen cylinder manufacturing method and screen cylinder |
| 04/21/2009 | US7520961 Process and device for blending fluid flows |
| 04/07/2009 | CA2356527C Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 04/02/2009 | WO2009040464A1 Apparatus for screening fibrous suspensions |
| 04/02/2009 | DE102007044952A1 Verfahren zur Behandlung einer Papierfasersuspension A method for treating a paper fiber suspension |
| 04/02/2009 | CA2700264A1 Apparatus for screening fibrous suspensions |
| 04/01/2009 | CN101400852A Arrangement in connection with screening apparatuses |
| 04/01/2009 | CN101397764A Apparatus for screening fibrous suspensions |
| 03/31/2009 | CA2360223C Method in connection with the production of paper or cardboard |
| 03/25/2009 | EP2039828A1 Method for treating a paper fibre suspension |
| 03/24/2009 | US7506767 Method for manufacturing screen cylinder and screen cylinder |
| 03/11/2009 | CN100467714C Method for manufacturing screen cylinder and screen cylinder |
| 03/05/2009 | WO2009026861A1 Pressure filter with vibrator |
| 03/05/2009 | DE102007041119A1 Druckfilter mit Vibrationsantrieb Pressure filter with vibration drive |
| 03/05/2009 | CA2704047A1 Pressure filter with vibrator |
| 02/25/2009 | EP1838453A4 Degassing centrifugal apparatus with sensor |
| 02/25/2009 | CN201197911Y Acid bath filter for cellophane |
| 02/19/2009 | WO2009021805A1 Constant part for a paper machine |
| 02/17/2009 | US7491296 Multi-stage screening apparatus, screen basket and method for screening pulp suspensions |
| 02/12/2009 | DE102007038091A1 Konstantteil 2 Constant Part 2 |
| 02/12/2009 | DE102007038090A1 Konstantteil IV Constant Part IV |
| 02/12/2009 | DE102007038089A1 Konstantteil Constant part |
| 02/12/2009 | DE102007038088A1 Konstantteil 3 Constant part 3 |
| 02/05/2009 | WO2009016246A1 Improved filtering basket for fibres in water dispersion. |
| 02/05/2009 | WO2009015701A1 Method for producing fine material from fibrous material-rejects |
| 02/03/2009 | CA2237649C Novel xylanase composition and method for production thereof |
| 01/29/2009 | WO2009013391A1 Separation pump |
| 01/29/2009 | WO2009012566A1 Apparatus for separating from cellulose fibres in paper recycling processes |
| 01/29/2009 | US20090025899 Apparatus for Cleaning a Fiber Suspension for a Papermaking Process |
| 01/29/2009 | CA2693940A1 Apparatus for separating waste from cellulose fibres in paper recycling processes |
| 01/29/2009 | CA2693541A1 Separation pump |
| 01/28/2009 | EP2019167A2 Device for cleaning a fibrous suspension for paper manufacture |
| 01/23/2009 | CA2613794A1 Apparatus for cleaning a fiber suspension for a papermaking process |
| 01/22/2009 | DE112007000609T5 Vorrichtung und Verfahren zum Entfernen von Luft aus Zellstoffbrei Apparatus and method for removing air from pulp stock |
| 01/20/2009 | CA2421886C Method of removing high density stickies from secondary papermaking fibers |
| 01/14/2009 | CN100451236C Screen device |
| 01/07/2009 | CN101338533A Method for producing toilet paper |
| 01/07/2009 | CN101338532A Pulping process for grinding wood pulp of cotton wood by mechanical abrader |
| 01/07/2009 | CN101338531A Method for producing coated kraft card board by home-made paper machine |
| 01/02/2009 | DE102007029806A1 Verfahren zur Aufbereitung von Altpapier Process for the treatment of waste paper |
| 01/02/2009 | DE102007029805A1 Verfahren zur Erzeugung von mehrlagigem Karton oder Verpackungspapier aus Altpapier Process for the production of multi-layer cardboard or paper packaging from recycled paper |
| 12/31/2008 | WO2009000348A1 Method of processing waste paper |
| 12/31/2008 | EP2009176A2 Method for creating multilayer cardboard or packaging paper made from recycled paper |
| 12/31/2008 | CN101333780A Adjustable energy-conserving type multifunctional mixer |
| 12/30/2008 | US7470347 Device and method withdrawing cellulose pulp from a container |
| 12/24/2008 | CN201169727Y Ultrasonic pulp screen |
| 12/24/2008 | CN101328695A Production process of cotton pulp for manufacturing automobile oil-gas filter parer |
| 12/24/2008 | CN101328692A Paper pulp fabrication process and system |
| 12/18/2008 | WO2008154073A1 High yield and enhanced performance fiber |
| 12/18/2008 | WO2008153565A1 A fiber blend having high yield and enhanced pulp performance and method for making same |
| 12/18/2008 | DE102007027310A1 Fibrous material sheet e.g. paper web, producing device, has fractionation device connected upstream to two-ply head box for dividing fibrous material suspension into vessel cells, molder, press section and drier section |
| 12/18/2008 | CA2801905A1 High yield and enhanced performance fiber |
| 12/17/2008 | CN201165619Y Improved pressure screen highly effective rotor wing |
| 12/17/2008 | CN101324036A Screen grader having untwining function |
| 12/16/2008 | CA2527742C Determination of contaminant particles in an aqueous pulp |
| 12/10/2008 | CN101321910A 造纸方法 Papermaking process |
| 12/10/2008 | CN101319473A Hydraulic shaker |
| 12/10/2008 | CN100441773C Method of ultrasound in use for producing purified pulp |
| 12/10/2008 | CN100441772C Production technology of thermomechanical bamboo pulp |
| 12/04/2008 | WO2008145821A1 A method for the processing of pulp |
| 12/04/2008 | US20080296206 Process and device for aerating suspensions |
| 12/03/2008 | EP1996763A1 Arrangement in connection with screening apparatuses |
| 12/03/2008 | EP1799903B1 Method for fractionating an aqueous paper fibre suspension and hydrocyclone for carrying out said method |
| 12/03/2008 | CN201158780Y Pressure screen with auxiliary support bearing |
| 12/03/2008 | CN201158779Y Energy-saving pressure screen rotor capable of reducing winding |