发明名称 |
Device for protecting tools and workpieces from damage on a hydraulically or pneumatically operated stamping press |
摘要 |
A device for precluding improper operation of a stamping press including a control cylinder the piston of which is impinged on one side by a pressure medium and on the other side by a pressure medium having a variable constant pressure. Electrical switch elements are utilized to prevent the stamping operation from progressing unless preset conditions exist.
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申请公布号 |
US4006655(A) |
申请公布日期 |
1977.02.08 |
申请号 |
US19760667840 |
申请日期 |
1976.03.17 |
申请人 |
HYDREL A.G. |
发明人 |
MAURER, MARTIN |
分类号 |
B26D5/12;B21D28/00;B21D28/20;B21D55/00;B26D7/22;B30B15/02;B30B15/28;F16P7/02;(IPC1-7):B26D7/24;B26D5/20 |
主分类号 |
B26D5/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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