| 发明名称 |
PROCESS FOR LASER WORKING IN A TUBE, AND WORKING HEAD FOR CARRYING OUT SUCH PROCESS |
| 摘要 |
For laser welding in tubes of small diameter, protective gas is passed into the working zone by two currents originating from points situated on either side of this zone and converging towards it.
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| 申请公布号 |
US5227605(A) |
申请公布日期 |
1993.07.13 |
| 申请号 |
US19900634609 |
申请日期 |
1990.12.27 |
| 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 |
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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