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Class Information
Number: 162/212
Name: Paper making and fiber liberation > Processes and products > Running or indefinite length work forming and/or treating processes (e.g., web) > Directing slurry into association with mold
Description: Processes including a step of bringing the pulp slurry into direct contact with a foraminous molding surface.










Sub-classes under this class:

Class Number Class Name Patents
162/215 Counter or transverse of mold movement 3
162/216 Mechanical treatment of slurry in head box or approach flow 106
162/214 Pressure forming 23
162/213 Projecting or slinging stock 23


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7776183 Twin wire gap former paper making machine with variable wrap impingement shoe Aug. 17, 2010
7588663 Multiple mode headbox Sep. 15, 2009
7578905 Method and apparatus for transverse distribution of a flowing medium Aug. 25, 2009
7560009 Method and apparatus at a twin-wire press and also a twin-wire press Jul. 14, 2009
7520961 Process and device for blending fluid flows Apr. 21, 2009
7332060 Twin wire former Feb. 19, 2008
7141139 Multiple cleaning stages with various dilution points and accepts recirculated through a common pipe Nov. 28, 2006
6833055 Multi-ply paperboard prepared from recycled materials and methods of manufacturing same Dec. 21, 2004
6821390 Process and device to control quality parameters in paper, tissue and pulp dewatering plants Nov. 23, 2004
6770171 Method and system for controlling headbox in a paper/board machine Aug. 3, 2004
6733627 Method for manufacturing paper having variable characteristics May. 11, 2004
6706151 Pulp moulding process and related system Mar. 16, 2004
6679974 Procedure and means for generating turbulence in stock suspension flow Jan. 20, 2004
6669814 Multi-ply paperboard prepared from recycled materials and methods of manufacturing same Dec. 30, 2003
6491792 Apparatus for controlling a headbox in a paper machine Dec. 10, 2002
6461479 Process and device for distributing a pulp suspension, particularly at medium consistency Oct. 8, 2002
6451167 Wetlay process for manufacture of highly-oriented fibrous mats Sep. 17, 2002
6419793 Paper making apparatus having pressurized chamber Jul. 16, 2002
6406595 Methods and apparatus to enhance paper and board forming qualities Jun. 18, 2002
6342125 Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby Jan. 29, 2002
6319363 Sheet forming system and method for controlling the same Nov. 20, 2001
6294051 Method for improving the edge strength of a fibrous mat Sep. 25, 2001
6284100 Method and apparatus for controlling a headbox in a paper machine Sep. 4, 2001
6221210 Transfer paper for electrophotography and a method for producing thereof Apr. 24, 2001
6214169 Sheet formation system with deckle plates and method for reducing edge waves Apr. 10, 2001
6176975 Headbox Jan. 23, 2001
6146500 Suction breast roll former and method, with flexible headbox roof Nov. 14, 2000
6139687 Cross-machine direction stiffened dividers for a papermaking headbox Oct. 31, 2000
6117271 Slice lip apparatus Sep. 12, 2000
6066235 Wetlay process for manufacture of highly-oriented fibrous mats May. 23, 2000
6019871 Effective utilization of sap in producing non-woven webs using the foam process Feb. 1, 2000
5843281 Headbox of a paper machine with edge feed arrangements Dec. 1, 1998
5814191 Arrangement and method for combining a dilution flow with a stock flow passed out of an inlet header in a paper/board machine Sep. 29, 1998
5800678 Method and device for regulating a flow of dilution liquid in connection with a headbox of a paper/board machine Sep. 1, 1998
5688372 Method and device in the regulation of a headbox Nov. 18, 1997
5674363 Method and device in the regulation of a headbox Oct. 7, 1997
5578171 Method and device for supplying pulp to a headbox of a paper machine Nov. 26, 1996
5565064 Paper machine wet forming section and method of operation thereof Oct. 15, 1996
5545293 Method and device in the regulation of a headbox Aug. 13, 1996
5527433 Device and method for choking a stock suspension flow in a paper machine Jun. 18, 1996
5490905 Method in the regulation of a multi-layer headbox and a multi-layer headbox Feb. 13, 1996
5409575 Two-wire web-forming section of a paper machine Apr. 25, 1995
5298125 Fluid jet supported headbox Mar. 29, 1994
5279736 Bend type separator for solid particle separation Jan. 18, 1994
5277762 Composite fiberboard and process of manufacture Jan. 11, 1994
5250153 Method for manufacturing a mineral wool panel Oct. 5, 1993
RE33741 Apparatus and method for controlling the amount of coatings on paper or other materials Nov. 12, 1991
5009748 Process and system for controlling the basis weight of a sheet material Apr. 23, 1991
4804441 Paper machine headbox and approach flow system Feb. 14, 1989
4764253 Method for controlling feed of foamed fiber slurries Aug. 16, 1988

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