发明名称 Fastener for unperforated written matter
摘要 A clamping folder for unperforated written material containing a rear folder cover (14), which is connected using a folded back (13) with a narrow strip (17), to which is welded a front sheet made from transparent or translucent plastic. A clip (16) is used for securing the written matter and is secured against removal in that it engages on one edge (19) of the folder. Edge (19) can e.g. be formed by a slot (15). The engagement of clip (16) for preventing removal can take place on both the front and rear sides.
申请公布号 US4904104(A) 申请公布日期 1990.02.27
申请号 US19880202232 申请日期 1988.06.03
申请人 HETZEL & CO. 发明人 GLOECKLE, FRIEDRICH
分类号 B42F7/00;B42F9/00 主分类号 B42F7/00
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