| 发明名称 |
Production of a metal tube with different wall thicknesses comprises locally heating the tube having a starting wall thickness which is the same over its length in the longitudinal regions to be changed and loading with a traction force |
| 摘要 |
<p>Production of a metal tube (2) with different wall thicknesses comprises locally heating the tube having a starting wall thickness (AWD) which is the same over its length (L) in the longitudinal regions (LB) to be changed and loading with an axial traction force (F1).</p> |
| 申请公布号 |
DE102006028873(A1) |
申请公布日期 |
2007.12.27 |
| 申请号 |
DE20061028873 |
申请日期 |
2006.06.21 |
| 申请人 |
BENTELER AUTOMOBILTECHNIK GMBH |
发明人 |
DOERR, JOCHEN;PELLMANN, MARKUS |
| 分类号 |
B21C37/16 |
主分类号 |
B21C37/16 |
| 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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