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Class Information
Number: 162/380
Name: Paper making and fiber liberation > Apparatus > Slurry supply conditioning or condition maintaining
Description: Apparatus including means to prepare the stock material for the forming step or to maintain or continue the proper condition of the stock material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8540847 Methods and apparatus for processing cellulosic biomass Sep. 24, 2013
8313618 Screening in an approach flow system Nov. 20, 2012
8216428 Screen Jul. 10, 2012
8157966 Apparatus for removing gas in connection with a paper machine or corresponding Apr. 17, 2012
8123912 Screen Feb. 28, 2012
8048273 Arrangement for treatment of cellulose pulp Nov. 1, 2011
8048272 Arrangement for the treatment of cellulose pulp involving seal positioning means Nov. 1, 2011
8025772 Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device Sep. 27, 2011
8025760 Feeder Sep. 27, 2011
7931779 Screening apparatus and screen basket for screening pulp suspensions Apr. 26, 2011
7879196 Tank assembly for making fibre products from stock Feb. 1, 2011
7820013 Screen cylinder Oct. 26, 2010
7807020 Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device Oct. 5, 2010
7799173 Screen plates having diagonal slots with curved inlets for a digester Sep. 21, 2010
7776184 Arrangement for the treatment of cellulose pulp in a washing apparatus adapted to facilitate service and inspection of the apparatus Aug. 17, 2010
7758725 Method of mixing a paper making chemical into a fiber suspension flow Jul. 20, 2010
7651591 Fire retardant composite panel product and a method and system for fabricating same Jan. 26, 2010
7569120 Method for converting an up-flow tower for cellulose pulp to a down-flow tower Aug. 4, 2009
7550060 Method and arrangement for feeding chemicals into a process stream Jun. 23, 2009
7537674 Closed floatation de-inking module for recycled paper May. 26, 2009
7407563 Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent Aug. 5, 2008
7381295 Pulp fractionation using centrifugal cleaners and power screens with multi-layer headbox and deaeration tank Jun. 3, 2008
7318883 Equipment and method in a paper or board machine for mixing of fresh stock and of water for dilution of fresh stock Jan. 15, 2008
7294226 Method of removing high density stickies from secondary papermaking fibers Nov. 13, 2007
7229527 Method for the controlled thickening of low consistency fiber suspensions Jun. 12, 2007
7101418 Method and device for degassing a suspension, specifically a fiber stock suspension Sep. 5, 2006
7063770 Method of removing high density stickies from secondary papermaking fibers Jun. 20, 2006
6986832 Arrangement for mixing flows in papermaking process Jan. 17, 2006
6950777 Method and system for assessing pulp and paper mill performance Sep. 27, 2005
6869504 Apparatus for passing stock into a headbox of a paper machine or equivalent Mar. 22, 2005
6868973 Drum type refining or washing apparatus Mar. 22, 2005
6746572 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method Jun. 8, 2004
6733629 Method of controlling the operation of an approach system of a paper machine or the like web formation apparatus May. 11, 2004
6730193 Wire pit May. 4, 2004
6638394 Method and apparatus for discharge of whitewater Oct. 28, 2003
6571957 Screening apparatus for fiber suspension Jun. 3, 2003
6521096 Screen and method for manufacturing a reinforcement element for a screen plate Feb. 18, 2003
6425986 Process for degassing a paper stock suspension Jul. 30, 2002
6416632 Apparatus for degassing an aqueous suspension containing pulp fibers Jul. 9, 2002
6395132 Washing system and washer for a fiber suspension May. 28, 2002
6284096 Process for discharging impurities from a hydrocyclone and a hydrocyclone Sep. 4, 2001
6267845 Process arrangement for the short circulation in a paper or board machine Jul. 31, 2001
6238523 Decontamination apparatus May. 29, 2001
6171448 Apparatus for screening waste paper pulp Jan. 9, 2001
6136150 Method and device achieveing a flow of stock in a forming tank Oct. 24, 2000
6096120 Deaeration vessel Aug. 1, 2000
6051103 Paper-making screen apparatus Apr. 18, 2000
5997693 Stock liquor pressure pulsation absorbing apparatus and method Dec. 7, 1999
5901585 Drum supported by support rollers for washing fibre material May. 11, 1999
5900123 Device for distributing liquid, especially washing liquid, for washing paper pulp May. 4, 1999

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