Method for welding through paint

Details Method for welding through paint Method for welding through paint

1975-09-18

1978-05-30

Goldberg, Elliot A.

Electric heating

Metal heating

For bonding with pressure

156155, 156247, 219 92, 219 98, 427273, B23K 1100

Patent

active

040925145

ABSTRACT:
Relates to a method of and apparatus for electric welding through insulation coatings, such as paint, on metallic surfaces by directing a vapor jet of paint solvent upon a selected area of a painted metal surface to first soften and then vaporblast the softened paint away from the area to expose a bare spot of the metal surface for welding. Then, before the softened paint reflows back over the bare spot as a result of the discontinuance of the vapor jet, quickly bringing a metal part into welding range of the bare spot and welding the two metal parts together. Following the welding operation, the softened paint coating reflows over the exposed welded juncture and hardens to form a protective film thereover.

REFERENCES:
patent: 2563417 (1951-08-01), Pessel
patent: 3037886 (1962-06-01), Ryznar
patent: 3181235 (1965-05-01), Wallis
patent: 3233073 (1966-02-01), Ruetschi
patent: 3277268 (1966-10-01), Williams
patent: 3335088 (1967-08-01), Mandell
patent: 3663326 (1972-05-01), Wanesky
patent: 3869813 (1976-07-01), Minetti

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