| 发明名称 |
Hydroforming a tubular structure of varying diameter from a tubular blank made using electromagnetic pulse welding |
| 摘要 |
A method of hydroforming a tubular structure of varying diameter along its longitudinal axis, comprising the formation of a tubular blank member by welding together, at their periphery, tubes of different diameters using electromagnetic pulse welding.
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| 申请公布号 |
US2002003159(A1) |
申请公布日期 |
2002.01.10 |
| 申请号 |
US20010841176 |
申请日期 |
2001.04.25 |
| 申请人 |
GABBIANELLI GIANFRANCO;KOTAGIRI SEETARAMA S.;ASHLEY RICHARD |
发明人 |
GABBIANELLI GIANFRANCO;KOTAGIRI SEETARAMA S.;ASHLEY RICHARD |
| 分类号 |
B21C37/15;B21D26/033;B21D26/14;B23K13/02;B23K20/06;(IPC1-7):B21D39/04;B23K31/02 |
主分类号 |
B21C37/15 |
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