| 发明名称 |
Method for the production of a metal pipe from copper |
| 摘要 |
The copper- or copper alloy strip (1) has its edge regions roughened (7) mechanically, before welding. The roughness (Ra) exceeds 12.5 mu m. Before welding, edges of the strip are wetted (2) with a liquid hydrocarbon. |
| 申请公布号 |
EP1184128(B1) |
申请公布日期 |
2003.06.25 |
| 申请号 |
EP20000402400 |
申请日期 |
2000.08.31 |
| 申请人 |
NEXANS |
发明人 |
MEYER, MICHAEL;ARNTZ, HANS-JOACHIM;HARTEN, FRIEDRICH |
| 分类号 |
B21C37/08;B23K26/18;B23K26/262;B23K26/40;B23K26/60;B23K101/06;B23K103/12 |
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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