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1. 发明授权

US06634544B1 Method and arrangement for improving quality in fusion welding operations 失效
标题翻译：融合焊接作业质量的方法和装置
公开(公告)号：US06634544B1
公开(公告)日：2003-10-21
申请号：US09700152
申请日：2001-02-12
申请人： Fred Galesloot
发明人： Fred Galesloot
IPC分类号： B23K3538
CPC分类号： B23K26/1494 , B23K9/16 , B23K2103/10
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.
摘要翻译：用于提高通过软管线将保护气体供应到焊接点的熔焊操作中的质量的布置。该装置包括装置（5,6），例如平行于电磁阀（4）连接的旁通管线，该旁路管线通常连接到保护气体软管（3）中，以使小的冲洗气体流通过保护气体软管（3）或其长度相当大的部分，当正常的保护气体流动被关闭时。以这种方式，保护气体管道从保护气体软管（3）的内部带来的并且供应到池中的杂质的量减少。

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