发明名称 Method of folding a signature for use in bookbinding
摘要 An improved fully folded signature for subsequent use in gathering and combining or binding in bookbinding. The fully folded signature includes uniquely positioned perforated folds and sequences of folding which reduces folding time, alter folded signature orientation during gathering, and eliminates the need for having a conventional backbone.
申请公布号 US5655866(A) 申请公布日期 1997.08.12
申请号 US19950412311 申请日期 1995.03.20
申请人 BELLANCA, JOSEPH V. 发明人 BELLANCA, JOSEPH V.
分类号 B42B5/00;B42C3/00;B42C19/00;B42D15/00;B65H45/04;B65H45/12;(IPC1-7):B42C9/00 主分类号 B42B5/00
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