发明名称 |
MANUFACTURE OF HEAT TREATED COIL SPRINGS |
摘要 |
An apparatus is disclosed for the manufacture of a coil spring from a wire. The apparatus comprises first and second tools for contacting the wire prior to, and/or during, deformation of the wire into a coil spring. The apparatus includes means for applying an electrical potential difference between the first and second tools such that an electric current is caused to flow through at least part of the wire during use. |
申请公布号 |
EP2389262(A2) |
申请公布日期 |
2011.11.30 |
申请号 |
EP20090775270 |
申请日期 |
2009.12.15 |
申请人 |
SPRINGFORM TECHNOLOGY LIMITED |
发明人 |
WHITWORTH, IAN JAMES |
分类号 |
B21F3/02;B21F33/04;B68G9/00;C21D8/06;C21D9/02 |
主分类号 |
B21F3/02 |
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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