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1. 发明授权

US3643853A Flux backup unit 失效
标题翻译：通路备份单元
公开(公告)号：US3643853A
公开(公告)日：1972-02-22
申请号：US3643853D
申请日：1969-12-22
申请人： VALLEY STEEL PRODUCTS CO
发明人： HILLER JAMES J
IPC分类号： B23K9/035 , B23K1/00
CPC分类号： B23K9/0352
摘要： A flux backup unit applies a continuous flow of granular flux to the underside of a joint as a weld is made at that joint. The backup unit includes a hopper, an open top container within the hopper, and a feed screw for lifting the flux from the bottom of the hopper to the container. The continuous flow of flux into the container causes the container to remain full as the joint is moved relative to it so that the joint is continuously backed with flux. The excess flux introduced into the container overflows into the hopper and is thereby automatically recirculated through the container by the feed screw.
摘要翻译：助焊剂备用装置在接头处进行焊接时，将连续的颗粒状流动流施加到接头的下侧。备用单元包括料斗，料斗内的开口顶部容器和用于将料斗从料斗底部提升到容器的进料螺杆。随着接头相对于其移动，助熔剂持续流入容器使得容器保持充满，使得接头连续地具有助焊剂。引入到容器中的过量的通量溢出到料斗中，从而通过进料螺杆自动地循环通过容器。

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