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Patent

Welding method of composite material

TLDR
In this paper, an auxiliary electrode 9 is brought into contact with the bottom face of a metallic plate 2b, and at the same time, a reaction receiver 10 is brought to contact with a metal plate 2a, and current is let flow between an electrode 5' and the auxiliary electrode 8' to form a metal body.
Abstract
PURPOSE:To widen the range of use of a composite material by resistance- welding an outer face metallic material and a body made of metal, and after softening thermoplastic material and removing it, making the resistance-welding of metallic materials. CONSTITUTION:An auxiliary electrode 9 is brought into contact with the bottom face of a metallic plate 2b, and at the same time, a reaction receiver 10 is brought into contact with a metallic plate 2a, and current is let flow between an electrode 5' and the auxiliary electrode 9. The metallic plate 2b and the body made of metal 4 are resistance-welded by the welding current and deposited metal 8' is formed. At this time, metallic plates 2a, 2b and thermoplastic material are softened by welding heat, and by strong pressure contacting with electrodes 5, 5' the insulating plastic substance 3a is removed, and at the same time, the resistance-welding of metallic plates 2a, 2b and the body 4 is completed. By such a way, various weld joints become possible, and the range of use of the composite material is extended.

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