| 发明名称 |
Method of manufacturing a resilient, single or double C-shaped rail clamp |
| 摘要 |
A method of manufacturing a resilient, C-shaped rail clamp wherein rod-shaped material is clamped tight at one end and starting from the clamped end the rod is deformed into the desired shape by a movement of a roller towards the free end while exerting local pressure.
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| 申请公布号 |
US4281529(A) |
申请公布日期 |
1981.08.04 |
| 申请号 |
US19790040870 |
申请日期 |
1979.05.21 |
| 申请人 |
EVERTS & VAN DER WEYDEN EXPLOITATIEMAATSCHAPPIJ EWEM N.V. |
发明人 |
LUBBERS, MARIUS H. |
| 分类号 |
B21D11/10;B21D53/36;(IPC1-7):B21D7/00 |
主分类号 |
B21D11/10 |
| 代理机构 |
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代理人 |
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