发明名称 |
Extenable tool and machine having the same |
摘要 |
Apparatus for making folds or bends of adjustable length in sheet metal. The apparatus includes a retractable chain-like die which can be shortened or lengthened so as to adjust the operative length of the die.
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申请公布号 |
US4089198(A) |
申请公布日期 |
1978.05.16 |
申请号 |
US19760699306 |
申请日期 |
1976.06.24 |
申请人 |
AMADA COMPANY, LTD. |
发明人 |
AMANO, TADASHI;KAWANO, SUSUMU;MANO, KENJI |
分类号 |
B21D5/02;B21D5/04;B21D37/14;(IPC1-7):B21D37/12 |
主分类号 |
B21D5/02 |
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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