| 发明名称 |
Gas shielding arc welding apparatus with a back draught security device |
| 摘要 |
Device for supplying gas to a working process, especially a gas shielded welding process with at least one gas line and a backflow safety element (5) in the working side end region of the gas line. |
| 申请公布号 |
EP1537936(A1) |
申请公布日期 |
2005.06.08 |
| 申请号 |
EP20040025162 |
申请日期 |
2004.10.22 |
| 申请人 |
K.B. SCHWEISSMASCHINEN VERMIETUNG UND VERTRIEB GMBH |
发明人 |
FREYE, CHRISTIAN;FREYE, JOSEF FRANZ |
| 分类号 |
B23K5/00;B23K9/16;B23K9/29;B23K9/32;B23K26/12;B23K26/14;B23K37/00;F16K17/02;F16K17/04 |
主分类号 |
B23K5/00 |
| 代理机构 |
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代理人 |
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