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Class Information
Number: 162/114
Name: Paper making and fiber liberation > Processes and products > Non-uniform, irregular or configured web or sheet > By perforating
Description: Processes in which the configuration is imparted to the web or sheet by formation of an opening which extends completely through the thickness of the web or sheet, and the products thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
8287976 Uniquely perforated web product Oct. 16, 2012
8287977 Uniquely perforated web product Oct. 16, 2012
8283013 Uniquely perforated web product Oct. 9, 2012
8268429 Perforated web product Sep. 18, 2012
8142617 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength Mar. 27, 2012
8132830 Security and/or valuable document Mar. 13, 2012
8016978 Method and apparatus of manufacturing a hygiene paper product Sep. 13, 2011
7967949 Packaging device and method for absorbing moisture Jun. 28, 2011
7857941 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength Dec. 28, 2010
7838725 Dispersible absorbent products having a multi-layered structure and methods of manufacture and use Nov. 23, 2010
7799168 Method of manufacturing a hygiene paper product, apparatus for such manufacture and hygiene paper product Sep. 21, 2010
7531062 Cross-machine direction embossing of absorbent paper products having an undulatory structure including ridges extending in the machine direction May. 12, 2009
7425245 Fibrous sheets Sep. 16, 2008
7384505 Method of manufacturing a hygiene paper product, apparatus for such manufacture and hygiene paper product Jun. 10, 2008
7326322 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength Feb. 5, 2008
7320742 Packaging device and method for absorbing moisture Jan. 22, 2008
7294231 Cross-machine direction embossing of absorbent paper products having an undulatory structure including ridges extending in the machine direction Nov. 13, 2007
7182838 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength Feb. 27, 2007
7077073 Identifying marker for end of rolled product Jul. 18, 2006
7037406 Cross-machine direction embossing of absorbent paper products having an undulatory structure including ridges extending in the machine direction May. 2, 2006
7005035 Packaging device and method for absorbing moisture Feb. 28, 2006
6998018 Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web Feb. 14, 2006
6887349 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength May. 3, 2005
6797115 Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web Sep. 28, 2004
6733626 Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength May. 11, 2004
6592636 Flow control within a press fabric using batt fiber fusion methods Jul. 15, 2003
6270623 Method for making apertured nonwoven fabric Aug. 7, 2001
6010090 Method of perforating a web Jan. 4, 2000
5861081 Paper towel with dual level diagonal infundibulate striae of slitted elongate hexagonal bosses Jan. 19, 1999
5098519 Method for producing a high bulk paper web and product obtained thereby Mar. 24, 1992
4503318 Apparatus for the spark perforation of sheet materials Mar. 5, 1985











 
 
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