发明名称 DRAW PUNCH AND METHOD OF MAKING DIFFERENT SHAPED CUTOUTS
摘要 A draw punch assembly for making one or more desired cutouts in a work piece is disclosed. The draw punch assembly includes a draw punch with a peripheral cutting edge on an outer surface and a bending edge on an inner surface, and a die with a shaped cavity for receiving a slug, where the slug is a cutout portion of the work piece. The die and the draw punch maintain a pre-defined clearance with respect to each other during operation.
申请公布号 US2013061728(A1) 申请公布日期 2013.03.14
申请号 US201113699713 申请日期 2011.05.25
申请人 PRABAKAR K.N. 发明人 PRABAKAR K.N.
分类号 B21D37/00;B21D28/34 主分类号 B21D37/00
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