Electric heating – Metal heating – By arc
Patent
1980-12-05
1983-08-02
Goldberg, Elliot A.
Electric heating
Metal heating
By arc
219119, B23K 900
Patent
active
043968210
ABSTRACT:
To spot weld overlapping work pieces contact electrodes are used with concave portions. The workpiece is preheated by the contact electrodes then spot arc welded by a consumable wire fed through one of the contact electrodes. The spot arc weldment takes the final shape of the concave portions.
REFERENCES:
patent: 399019 (1889-03-01), Coffin
patent: 1344415 (1920-06-01), Longacre
patent: 3469069 (1969-09-01), Allen
patent: 4163869 (1979-08-01), Almand
Cary "Modern Welding Technology", Prentice Hall, Englewood Cliffs, N.J. 1979, pp. 264-266 & 360.
Chumachenko Valery G.
Garibov Genrikh S.
Maryanchik Mikhail A.
Matveev Viktor I.
Shtyrin Anatoly S.
Goldberg Elliot A.
Spetsialnoe Proektnokonstruktorskoe I Tekhnologicheskoe Bjuro
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