发明名称 Method and arrangement for improving quality in fusion welding operations
摘要 Arrangement for improving quality in fusion welding operations where protective gas is supplied to the welding point via a hose line. The arrangement comprises means (5, 6), such as a bypass line connected parallel to the solenoid valve (4) which is usually connected into the protective-gas hose (3), in order make a small flush-gas flow pass through the protective-gas hose (3) or a considerable part of its length, when the normal protective-gas flow is shut off. In this way, the quantity of impurities brought along by the protective-gas flow from the inside of the protective-gas hose (3) and supplied to the pool is reduced.
申请公布号 AU4660699(A) 申请公布日期 1999.12.06
申请号 AU19990046606 申请日期 1999.05.11
申请人 AGA AKTIEBOLAG 发明人 FRED GALESLOOT
分类号 B23K;B23K9/16;B23K9/32;B23K26/14;B23K35/38 主分类号 B23K
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