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Fluid tight pipe joints - formed by inserting layers of flux and filler material between contacting pipe surfaces the induction welding using time variable magnetic field.
Fluid tight pipe joints - formed by inserting layers of flux and filler material between contacting pipe surfaces the induction welding using time variable magnetic field.
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机译:流体密封管接头-通过使用时变磁场在感应管之间的接触管表面之间插入助焊剂和填充剂层而形成。
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摘要
A fluid tight joint between two metal pipes, using induction welding techniques, is formed by:- (a) depositing a non-corrosive flux, on the inner and outer surfaces of the ends of the respective pipes to be joined, and inserting one pipe into the other, together with a filler material between the inner and outer contacting surfaces of the respective pipe ends; (b) subjecting the joint area to a magnetic field, varying with respective to time, and concentrated at the joint, in order to melt the flux and filler material by induction heating. Also claimed is a system for induction welding, two pipe ends, one partially inserted into the other, to form a fluid-tight joint between the pipes. A heat exchanger, having an inlet header, and an outlet header connected by a number of pipes, welded to the headers by the method and system claimed above is also claimed.
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