发明名称 Perforation anvil
摘要 <p>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.</p>
申请公布号 AU2009227687(B2) 申请公布日期 2015.02.12
申请号 AU20090227687 申请日期 2009.02.02
申请人 KIMBERLY-CLARK WORLDWIDE, INC. 发明人 HAASL, MICHAEL JAY;GERMAINE, ANDREW
分类号 B26D1/62;B23D25/12;B26D7/20;B26D7/26 主分类号 B26D1/62
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