| 发明名称 |
METHOD AND DEVICE FOR THE FORMATION OF PIPES |
| 摘要 |
<p>A welding unit (1) comprises several reduction stages and a transfer device which permit formation of the tube from the blank sheet thereof without dama ge to the outer surface.</p> |
| 申请公布号 |
CA2387861(A1) |
申请公布日期 |
2001.05.03 |
| 申请号 |
CA20002387861 |
申请日期 |
2000.08.25 |
| 申请人 |
ELPATRONIC AG |
发明人 |
GYSI, PETER |
| 分类号 |
B21C37/08;B23K15/00;B23K26/262;B23K37/047;B23K37/053;B23K101/06;(IPC1-7):B21C37/08;B23K26/08;B23K26/00 |
主分类号 |
B21C37/08 |
| 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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