发明名称 Stamping system
摘要 A method and apparatus for a punch removal system in which the punch is pulled free of the retainer block without the removal of the stripper plate. The punch end is larger than the punch shank and has an access hole in vertical alignment with an access hole in the retainer block.
申请公布号 US4726270(A) 申请公布日期 1988.02.23
申请号 US19870000688 申请日期 1987.01.05
申请人 LUCAS, ROSE E. 发明人 LUCAS, ROSE E.
分类号 B21D28/34;B21D37/04;B23D35/00;B26D7/26;(IPC1-7):B26D7/26;B26F1/14 主分类号 B21D28/34
代理机构 代理人
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