| 发明名称 |
Laser working procedure within a tube and working head for the execution of the working procedure. |
| 摘要 |
<p>Shielding gas is sent into the working zone in two streams coming from points (22) situated on either side of this zone and converging on it. …<??>Application to laser welding in small-diameter tubes. …<IMAGE>… </p> |
| 申请公布号 |
EP0437998(B1) |
申请公布日期 |
1993.11.03 |
| 申请号 |
EP19900403676 |
申请日期 |
1990.12.19 |
| 申请人 |
FRAMATOME |
发明人 |
BOUDOT, CECILE;GRIFFATON, JACQUES |
| 分类号 |
B23K26/00;B23K26/06;B23K26/14;B23K26/20;B23K26/28;G21D1/00;(IPC1-7):B23K26/00;F22B37/00 |
主分类号 |
B23K26/00 |
| 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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