Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1979-06-26
1982-03-09
Rubinson, Gene Z.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
21914541, 21914652, B23K 916, B23K 3538, B23K 3502, B23K 3534
Patent
active
043191169
ABSTRACT:
A procedure is disclosed in the application, for carrying out arc welding under water or in otherwise difficult external conditions. In the procedure, there is introduced in the arc area or in its immediate vicinity, an auxiliary substance having the purpose to boost the ignition of the arc and its burning and to retard the cooling of the weld bead produced, so that the emergence of gases from the welded seam is promoted and the quality of the weld seam improves. The auxiliary substance used consists mainly of soap which is a salt formed by anions of a fatty acid, a fatty acid mixture or a mixture of fatty and resin acids and by metal cations or a mixture of such salts and which may in addition contain water and inorganic salts. Best results have been obtained by using for auxiliary substance soft soaps made of tall oil and which contain salts of both fatty acids, such as oleic and linoleic acid and of resin acids, such as abietic acid. Good results have further been obtained with soft soaps based exclusively on salts of saturated or unsaturated fatty acids.
REFERENCES:
patent: 2446922 (1948-08-01), Grundner
patent: 2497629 (1950-02-01), Rieppel
patent: 3835288 (1974-09-01), Henderson
The Condensed Chemical Dictionary, Ninth Edition 1977 pp. 514, 636, 781-782, 836; Litton Educational Publishing Inc.; Published by Van Nostrand Reinhold Co., N.Y.
Noller, Carl R.; Chemistry of Organic Compounds; 3rd Edition, W. B. Saunders Co., 1966; p. 968.
The Condensed Chemical Dictionary, 4th Edition, 1950; Reinhold Publishing Corp., N.Y.; p. 586.
Kauppi Markku
Niinivaara Juhani
Nurminen, administrator by Marjatta
Nurminen, deceased Markku
George Keith E.
Rubinson Gene Z.
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