发明名称 Segmented core
摘要 A segmented core includes a plurality of integral core segments defined by a respective separation slot in the outer surface thereof. A sheet is wound around the core in a plurality of layers and is slit at the slot to simultaneously wind respective sheet ribbons on the core segments to form individual rolls. The sheet slit is aligned with the core slot which allows the wound rolls to be broken apart at the slots.
申请公布号 US6775910(B1) 申请公布日期 2004.08.17
申请号 US19980085933 申请日期 1998.05.28
申请人 NCR CORPORATION 发明人 COFFEY JAMES B.
分类号 B26D1/03;B26D3/16;B26F3/00;B65H18/08;B65H35/02;B65H75/50;(IPC1-7):B26D5/00 主分类号 B26D1/03
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