Electric heating – Metal heating – By arc
Patent
1983-03-30
1985-01-08
Envall, Jr., Roy N.
Electric heating
Metal heating
By arc
219119, B23K 900
Patent
active
044928483
ABSTRACT:
An apparatus for spot arc welding overlapping pieces in which a pair of contact electrodes with concave portions are arranged opposite to each other, and at least one electrode has a central hole to accommodate a consumable electrode; the concave portions are shaped to correspond to the calculated shape of the reinforcements at both sides of the spot welded joint.
REFERENCES:
patent: 2214760 (1940-09-01), Brown
patent: 2445747 (1948-07-01), Watter
patent: 4254322 (1981-03-01), Asano
patent: 4359599 (1982-11-01), Benner
Garibov Genrikh S.
Maryanchik Mikhail A.
Matveen Viktor I.
Shtyrin Anatoly S.
Strekalou Genrikhn
Envall Jr. Roy N.
Sigda Catherine M.
Spetsialnoe Konstruktorsko-Tekhnologicheskoe Bjuro "Energostalpr
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