发明名称 |
RECOIL DEVICE FOR A ROTARY FORGING MILL |
摘要 |
Operating a rotary forging mill with a gas recoil device by compressing the recoil gas to a limit pressure and then keeping the recoil gas at approximately the same pressure as the recoil piston continues its rearward travel.
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申请公布号 |
US3638466(A) |
申请公布日期 |
1972.02.01 |
申请号 |
USD3638466 |
申请日期 |
1969.06.19 |
申请人 |
JEAN-PAUL CALMES |
发明人 |
JEAN-PAUL CALMES |
分类号 |
B21B21/04;(IPC1-7):B21J9/12 |
主分类号 |
B21B21/04 |
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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