| 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 whilst exerting local pressure. |
| 申请公布号 |
CA1122389(A) |
申请公布日期 |
1982.04.27 |
| 申请号 |
CA19790327634 |
申请日期 |
1979.05.15 |
| 申请人 |
EVERTS & VAN DER WEYDEN EXPLOITATIEMAATSCHAPPIJ EWEM N.V. |
发明人 |
LUBBERS, MARIUS H. |
| 分类号 |
B21D7/00;B21D7/04;B21D11/10;B21D53/36 |
主分类号 |
B21D7/00 |
| 代理机构 |
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