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US Patent 8621966 Perforation anvil

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US Patent D1045407 Paper product
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US Patent 11952722 Sanitary tissue product with a shaped line of weakness
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Patent abstract

A method and apparatus for perforating a web includes an anvil roll having an outer surface wherein at least a portion of the outer surface defines an anvil surface. The anvil surface includes a plurality of angled grooves having a variable groove width. The method may include phasing the cutting position on the anvil to effect varying perforation patterns.

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Patent Inventor Names
Andrew Germaine0
Michael Jay Haasl0
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US Patent 11745378 Nonlinear line of weakness formed by a perforating apparatus
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US Patent 11697219 Method of perforating a nonlinear line of weakness
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US Patent 11668051 Sanitary tissue product with a shaped line of weakness
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US Patent 11661301 Method for perforating a nonlinear line of weakness
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US Patent 08621966 Perforation anvil US Patent 8621966 Perforation anvil

Infobox
Patent Number
086219660
Patent Number
86219660
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
086219660
Date of Patent
January 7, 2014
0
Patent Application Number
120773990
Date Filed
March 18, 2008
0
Patent Primary Examiner
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Omar Flores Sanchez
0
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 US Patent 08621966 Perforation anvil

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08621966
Date of patent
January 7, 2014
Patent application number
12077399
Date Filed
March 18, 2008
Patent primary examiner
‌
Omar Flores Sanchez

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