| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
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| 07/19/2007 | DE102006030905B3 Removing impurities from fiber suspension, especially for use in paper-making, by use of pressure sorter in which back-flow stream is recirculated to sorter via line surrounded by gas-containing tube |
| 07/12/2007 | US20070158041 Method and arrangement for treating pulp |
| 07/12/2007 | US20070158040 Method and apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp |
| 07/12/2007 | DE102005060851A1 Degassing unit for viscous and paste media e.g. for web coating processes, uses a combination of mechanical agitation and reduced pressure |
| 07/11/2007 | EP1680543B1 Screening apparatus and screen basket for screening pulp suspensions |
| 07/05/2007 | US20070151693 Device and method withdrawing cellulose pulp from a container |
| 06/28/2007 | DE102006024034A1 Production of mixed, recycled fiber suspension for papermaking machine, employs sufficient stages to maximize fibrous content in waste portion used for thermal and electrical energy generation |
| 06/28/2007 | DE102005060853A1 Vorrichtung und Verfahren zum Entgasen eines flüssigen bis pastösen Mediums, insbesondere einer Streichfarbe Apparatus and method for degassing a liquid to pasty medium, in particular a coating color |
| 06/28/2007 | DE102005060852A1 Process to remove gas from liquid or paste for use in paper coating process by atomization within vacuum container |
| 06/28/2007 | DE102005060850A1 Device for degassing a liquid to pasty medium e.g. a coating ink for coating paper or cardboard comprises a partially rotating shearing unit arranged inside a vacuum container |
| 06/28/2007 | DE102005060849A1 Assembly to de-gas liquid or paste for paper coating in vacuum container with secondary internal container discharging via curtain to baffle plate |
| 06/28/2007 | DE102005060848A1 Two-stage liquid or paste de-gassing for liquid or paste for coating paper or cardboard via cyclone and vacuum stages |
| 06/28/2007 | DE102005060847A1 Verfahren und Vorrichtung zum Entgasen eines flüssigen bis pastösen Mediums Method and apparatus for degassing a liquid to pasty medium |
| 06/27/2007 | EP1799903A1 Method for fractionating an aqueous paper fibre suspension and hydrocyclone for carrying out said method |
| 06/26/2007 | CA2307158C Method of making screen cylinder, and screen cylinder |
| 06/21/2007 | DE102006021656A1 Verfahren zur Dispergierung von Papierfaserstoff Method for dispersing paper pulp |
| 06/21/2007 | DE102005061302B3 Paper production unit comprises a treatment unit connected to a paper machine, and a cleansing and/or material recovery unit |
| 06/21/2007 | DE102005060846A1 Degassing a liquid or semisolid medium, especially a paper dye composition, in an evacuated vessel comprises causing the medium to vibrate during degassing |
| 06/20/2007 | EP1798333A2 Apparatus and method for degassing a liquid or pasty medium, in particular a coating colour |
| 06/20/2007 | EP1798332A1 Method and device for degassing a liquid or paste-like medium |
| 06/20/2007 | EP1798331A1 Process for dispersing pulp |
| 06/20/2007 | CN2913427Y Bolting sieve basket device |
| 06/20/2007 | CN2913426Y Inside and outside double-drum rotor type pressure sieve |
| 06/20/2007 | CN2913425Y Modified out-flow type pressure sieve rotor |
| 06/07/2007 | WO2007063182A2 Method for manufacturing paper |
| 06/07/2007 | CA2570289A1 Dewatering and thickening belt manufacturing method |
| 06/07/2007 | CA2570287A1 Dewatering and thickening belt having improved guide performance and manufacturing method thereof |
| 06/06/2007 | EP1792006A1 Process and device to manufacture cellulose pulp |
| 06/06/2007 | DE102004054236B4 Verfahren zum Mischen von Suspensionen mit unterschiedlichen Zusammensetzungen A process for mixing suspensions having different compositions |
| 06/06/2007 | DE102004042269B4 Drucksortierer zum Sieben einer Faserstoffsuspension A pressure grader for screening a pulp suspension |
| 06/05/2007 | CA2350988C Upgrading of tmp to an sc/lwc quality |
| 05/24/2007 | US20070114157 Screening apparatus for screening pulp suspensions and method of operating the apparatus |
| 05/23/2007 | CN2903158Y Mica paper pulp making machine system of adjustable auto feeding |
| 05/22/2007 | US7220339 Process for preparing a polymer dispersion |
| 05/22/2007 | CA2323052C Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production |
| 05/16/2007 | EP1784534A1 Screen assembly for a pulp digester |
| 05/16/2007 | CN1963017A Process for producing purified pulp |
| 05/10/2007 | WO2007051908A1 Screen cylinder |
| 05/10/2007 | CA2624767A1 Screen cylinder |
| 05/09/2007 | CN1958942A Method of ultrasound in use for producing purified pulp |
| 05/08/2007 | US7214257 Plant for cleaning and degassing a fibrous suspension |
| 05/02/2007 | CN1955373A Device for treating fibrous materials |
| 04/26/2007 | DE102006014234A1 Screening device for wet screening of paper fiber suspension has screen plate pre-stressed to exert compressive forces on middle support ring, and tensile forces on both inner and outer support rings |
| 04/25/2007 | EP1777339A1 Screening device for paper pulp |
| 04/25/2007 | CN1952256A Screening device for wet screening of paper fiber suspension |
| 04/18/2007 | EP1774089A2 A method of manufacturing a screen cylinder and a screen cylinder |
| 04/18/2007 | EP1689931B1 A screening apparatus for screening pulp suspensions and method of operating the apparatus |
| 04/18/2007 | CN1311131C Method of manufacturing pulp using sunflower seed skin |
| 04/12/2007 | DE102004042341B4 System und Verfahren zur Zuführung einer Faserstoffsuspension zu einem Stoffauflauf System and method for supplying a pulp suspension to a headbox |
| 04/12/2007 | DE102004014392B4 Verfahren zum Reinigen einer störstoffhaltigen Faserstoffsuspension für die Papiererzeugung Method of cleaning a pulp suspension containing foreign for paper |
| 04/11/2007 | EP1772554A1 Device for treating fibrous materials |
| 04/11/2007 | EP1629276B1 Determination of contaminant particles in an aqueous pulp |
| 03/28/2007 | EP1767690A2 Method for controlling sorting systems and sorting system for using the method |
| 03/28/2007 | CN2883458Y Paper making cylindrical screen |
| 03/21/2007 | CN1932147A Flow increasing pressure sieve rotor |
| 03/13/2007 | US7188733 Screening device, such as a screen cylinder, and method of manufacture of the screening device |
| 03/13/2007 | CA2271155C Zoned pressure screen |
| 03/07/2007 | CN1924186A Continuous high density hydraulic pulper |
| 02/22/2007 | US20070039899 Thickener for concentration of fibre suspensions |
| 02/15/2007 | DE112005000263T5 Verfahren zur Überwachung und Steuerung eines Papierherstellungsprozesses A method for monitoring and controlling a papermaking process |
| 02/15/2007 | DE102006003648A1 Apparatus for ventilation, cleaning or sorting of fiber suspension, has close casing with inlet, outlet, centrally arranged rotor and hydraulic lead element which moves fiber suspension in rotation |
| 02/14/2007 | CN2869093Y Low pulse head screen |
| 02/08/2007 | US20070028778 Method and arrangement at gas removal, and the use thereof |
| 02/07/2007 | EP1749923A1 Apparatus for treating a fibrous suspension |
| 02/06/2007 | US7172148 Grooved pyramid disperger plate |
| 02/01/2007 | US20070023331 Method for manufacturing screen cylinder and screen cylinder |
| 02/01/2007 | US20070023329 Method for selective removal of ray cells from cellulose pulp |
| 01/30/2007 | US7168570 Screen cylinder with performance boosting configuration |
| 01/24/2007 | EP1745879A1 Methode of manufacturing wedge wire screens and product |
| 01/24/2007 | EP1379726B1 Method and equipment for pulp fractionation in a paper or board machine |
| 01/17/2007 | EP1520072B1 Multi-stage screening apparatus and screen basket for screening pulp suspensions |
| 01/16/2007 | US7163106 Strainer for cleaning fibrous suspensions |
| 01/09/2007 | CA2161949C Pump for pumping fibrous pulp suspensions |
| 01/03/2007 | EP1497010B1 Method and device for separating out dense materials |
| 01/03/2007 | CN2853875Y Pulp deink pressure screen |
| 01/02/2007 | CA2228975C Extended dwell reverse hydrocyclone cleaner |
| 12/30/2006 | CA2548970A1 Method for removal of metals from a bleach plant filtrate system |
| 12/27/2006 | CN1884688A Environment-friendly multifunctional porous roll paper production method and its device |
| 12/21/2006 | WO2006134207A1 Method and apparatus for making a wear-resistant coating on a coating blade or equivalent |
| 12/20/2006 | EP1734175A1 Process for removing impurities from fibrous suspensions |
| 12/20/2006 | EP1734174A2 Process for the recycling of fillers and coating pigments at the production of paper and board |
| 12/20/2006 | CN1882741A A screening apparatus for screening pulp suspensions and method of operating the apparatus |
| 12/20/2006 | CA2510282A1 Filter sector, decal strip and shower system for disk filters |
| 12/13/2006 | EP0961852B2 Pump for fibrous pulp suspension with means for separating gas from the suspension |
| 12/13/2006 | CN1878617A Separation apparatus and method |
| 12/13/2006 | CN1876955A Rod drum with prestress |
| 12/06/2006 | CN1875146A Screening apparatus and screen basket for screening pulp suspensions |
| 11/29/2006 | CN2841749Y Pulp light scummer |
| 11/28/2006 | US7141139 Papermaking; cleaning pulp; controlled discharging |
| 11/23/2006 | US20060261001 Filter sector for use in rotary disc filters for separating pulp suspensions |
| 11/22/2006 | CN1865583A Pulping process for mixed Devil's Rush herb and reed |
| 11/21/2006 | CA2232858C Sorting device |
| 11/16/2006 | WO2006119614A1 Screen basket with replaceable profiled bars |
| 11/15/2006 | CN2837356Y Concentration apparatus for paste mill |
| 11/02/2006 | EP1346104B1 Apparatus for passing stock into a headbox of a paper machine or equivalent |
| 10/25/2006 | CN1853014A A thickener for concentration of fibre suspensions |
| 10/25/2006 | CN1851118A Moderate high-thick paper pulp fluidifying apparatus |
| 10/25/2006 | CN1281291C Method and appts. for transferring freely-flowing medium |
| 10/24/2006 | US7125491 Screen and process for manufacturing a screen of this kind |
| 10/24/2006 | US7125472 Slotted screen for digester |