发明名称 Card punching machine
摘要 The card punching machine has a hollow cylindrical punching tool (12) which is driven into a flat sheet (10) to be punched. The sheet (10) is punched on a plastic back-pressure plate (8) and is essentially made of polycarbonate or a laminate that includes at least one layer made of polycarbonate. The card punching machine can be used to manufacture high-quality cards from polycarbonate or from the above mentioned laminate.
申请公布号 US2002046635(A1) 申请公布日期 2002.04.25
申请号 US20010951360 申请日期 2001.09.13
申请人 CHRISTEN PAUL;ARZENSEK DINO 发明人 CHRISTEN PAUL;ARZENSEK DINO
分类号 B26D7/18;B26D7/20;B26F1/40;(IPC1-7):B26D5/08 主分类号 B26D7/18
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