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Class Information
Number: 162/203
Name: Paper making and fiber liberation > Processes and products > Running or indefinite length work forming and/or treating processes (e.g., web) > Forming single web between opposed forming surfaces
Description: Processes in which a unitary fibrous web is produced by continuously introducing slurry between separate face-to-face foraminous molds whereby formation and interfelting of the fibers occurs at both faces of the web.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8448789 Apparatus for washing and dewatering pulp May. 28, 2013
8246782 Apparatus with an impermeable transfer belt in a papermaking machine, and associated methods Aug. 21, 2012
8206555 Methods employing an impermeable transfer belt in a papermaking machine Jun. 26, 2012
8092651 Methods employing an impermeable transfer belt in a papermaking machine Jan. 10, 2012
8048269 Forming section Nov. 1, 2011
7918966 Method for producing extensible paper, plant for implementing the method, product obtained by the method, and paper material obtained from the product Apr. 5, 2011
7887673 Paper machine and method for manufacturing paper Feb. 15, 2011
7871493 Environmentally-friendly tissue Jan. 18, 2011
7811418 Papermaking machine employing an impermeable transfer belt, and associated methods Oct. 12, 2010
7794568 Method and apparatus of a twin-wire press Sep. 14, 2010
7682489 Twin-wire press Mar. 23, 2010
7585395 Structured forming fabric Sep. 8, 2009
7491297 Papermachine clothing Feb. 17, 2009
7491295 Dewatering element having non-pulsing dewatering followed by pulsing dewatering Feb. 17, 2009
7476292 Method and apparatus for use with a twin-wire press Jan. 13, 2009
7445693 Device, method and arrangement for pressing two axis-parallel rollers approachable to one another in a device for producing and/or treating a web of material Nov. 4, 2008
7387706 Process of material web formation on a structured fabric in a paper machine Jun. 17, 2008
7364643 Forming of a paper or board web in a twin-wire former or in a twin-wire section of a former Apr. 29, 2008
7332060 Twin wire former Feb. 19, 2008
7300553 Arrangement for a wire section of a paper or board machine Nov. 27, 2007
7192507 Machine for producing a fibrous material web Mar. 20, 2007
7147755 Ultrasonic transducer system Dec. 12, 2006
7135092 Arrangement for controlling the edge of pulp mass in a web former and a method for controlling the edge of pulp mass Nov. 14, 2006
7090746 Process and device for removing water from a mechanical pulp, chemical pulp or paper sheet Aug. 15, 2006
7067042 Twin wire former Jun. 27, 2006
6986830 Method and a machine for the manufacture of a fiber web Jan. 17, 2006
6972074 Equipment for fabric guiding in a paper machine Dec. 6, 2005
6942760 Arrangement in the wet end of a paper machine Sep. 13, 2005
6880583 Papermaker's and industrial fabric seam Apr. 19, 2005
6875309 Twin wire former Apr. 5, 2005
6855230 Method and regulation arrangement for controlling dewatering profile of a former Feb. 15, 2005
6841037 Machine and process for producing a tissue web Jan. 11, 2005
6838401 Heat-resistant fibrous paper Jan. 4, 2005
6821392 Headbox sealing device Nov. 23, 2004
6730192 Method and machine for manufacturing printing paper or paperboard May. 4, 2004
6669820 Twin-wire former Dec. 30, 2003
6589390 Press section and process for guiding a fiber material web through the press section Jul. 8, 2003
6554959 Tissue paper making machine Apr. 29, 2003
6521091 Twin wire former Feb. 18, 2003
6478928 Process for dewatering a pulp web Nov. 12, 2002
6464835 Equipment and method in a twin-wire former Oct. 15, 2002
6413369 Arrangement and method for forming a multilayered paper or paperboard web Jul. 2, 2002
6383340 Press arrangement and process May. 7, 2002
6375799 Process and apparatus for producing a fibrous material web Apr. 23, 2002
6372091 Method and apparatus for forming a paper web Apr. 16, 2002
6361654 Air knife assisted sheet transfer Mar. 26, 2002
6358367 Pulping system for a paper machine Mar. 19, 2002
6342126 Wire section, belt guidance device, and process for forming fibrous material web in wire section Jan. 29, 2002
6342125 Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby Jan. 29, 2002
6338773 Device for dewatering solid/liquid suspensions, especially pulp suspensions Jan. 15, 2002

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