Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vincent Sean Breidenbach0
Douglas Herrin Benson0
Hugh Joseph O'Donnell0
John Lee Hammons0
Karen Denise McAffry0
Kelyn Anne Arora0
Robert Haines Turner0
Timothy Ian Mullane0
Date of Patent
August 14, 2012
0Patent Application Number
112496180
Date Filed
October 13, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for making apertures in a web comprising providing a precursor web material; providing a pair of counter-rotating, intermeshing rollers, wherein a first roller comprises circumferentially-extending ridges and grooves, and a second roller comprises teeth being tapered from a base and a tip, the teeth being joined to the second roller at the base, the base of the tooth having a cross-sectional length dimension greater than a cross-sectional width dimension; and moving the web material through a nip of the counter-rotating, intermeshing rollers; wherein apertures are formed in the precursor web material as the teeth on one of the rollers intermesh with grooves on the other of the rollers.
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