| 发明名称 |
HALSTANSENHET |
| 摘要 |
The unit has an upper plate (7) holding a punch holder (5) via a spring unit in a position away from a cushion (3). This allows material to be inserted in a space (10) between the punch and the cushion. - The spring unit comprises a hollow cylindrical plastics part (11). The spring unit dimensions and spring properties coincide with those of a group of plate springs used for such an application. |
| 申请公布号 |
SE8801090(D0) |
申请公布日期 |
1988.03.24 |
| 申请号 |
SE19880001090 |
申请日期 |
1988.03.24 |
| 申请人 |
NILS GUSTAF REINHOLD * BECK |
发明人 |
NILS GUSTAF REINHOLD * BECK |
| 分类号 |
B21D28/14;B21D28/34;(IPC1-7):B21D28/14 |
主分类号 |
B21D28/14 |
| 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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