发明名称 |
PUNCH FOR THIN-PLATE METAL AND PUNCH DEVICE FOR THIN-PLATE METAL WITH THE PUNCH |
摘要 |
<p>An apparatus 1 for punching sheet metal includes an upper die holder 2 which is raised and lowered by a hydraulic ram and the like; a pressing plate 3 secured to the upper die holder 2; a pressing pad 5 suspended from the upper die holder 2 through a resilient member 4; a punch holder 7 constructed as a punch unit secured to the pressing pad 5 by means of a bolt 6 and the like; a lower die 9 on which sheet metal 8 to be subjected to punching is placed; and a die 10 embedded in the lower die 9.</p> |
申请公布号 |
EP1621268(A1) |
申请公布日期 |
2006.02.01 |
申请号 |
EP20040729976 |
申请日期 |
2004.04.28 |
申请人 |
OILES CORPORATION;OILES CORPORATION |
发明人 |
OISHI, MASATOSHI;UEMURA, YUKIHARU;TSUJI, HIROSHI |
分类号 |
B21D28/26;B21D28/34;(IPC1-7):B21D28/34 |
主分类号 |
B21D28/26 |
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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