Method of joining two sheet metal parts

Details Method of joining two sheet metal parts Method of joining two sheet metal parts

1977-01-21

1978-10-24

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 9121, 219 92, B23K 1110

Patent

active

041223250

ABSTRACT:
Metal parts are spot welded together. To prevent corrosion of the parts a thixotropic, non hardening, corrosion resistant material including a solvent and having a negligible gravity flow at temperatures less than about 400.degree. F to 440.degree. F and forming a heat insulating coherent gel when burnt is used between the plates. The material is known as Anchor Tuflex #23. The parts are clamped and a pressure, higher than a welding pressure that would be used without the material is used to squeeze out the material. The high pressure is continued during welding. After welding continued pressure, is applied during cooling.

REFERENCES:
patent: 1085769 (1914-02-01), Thomson
patent: 2305042 (1942-12-01), Thacker
patent: 2313941 (1943-03-01), Humphrey
patent: 2452805 (1948-11-01), Sussenbach
patent: 2977672 (1961-04-01), Telfer
patent: 3181235 (1965-05-01), Wallis
patent: 3627970 (1971-12-01), Weatherman
patent: 3798407 (1974-03-01), Becker
patent: 4072843 (1978-02-01), Szabo

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