Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1982-08-03
1984-07-31
Envall, Jr., Roy N.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
21913051, 252372, B23K 916
Patent
active
044632436
ABSTRACT:
An electric arc welding gas system utilizing a welding gas comprising a mixture of argon, helium, carbon dioxide and oxygen; electrode currents in the range of 100 to 1100 amperes so as to form electrode metal globules of at least the size of the electrode diameter at the rate of 400 to 1200 globules per second.
REFERENCES:
patent: 2753427 (1956-07-01), Yenni et al.
Brosilow, R., "Gases for Shielded Metal Arc Welding," Welding Design & Fabrication, Oct. '78, pp. 53-72.
Crichton, A., "Selecting Shielding Gases," Metal Progress, Dec. '75, pp. 50-53.
Envall Jr. Roy N.
Sigda Catherine M.
T.I.M.E. Welding Gas Corporation
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