Electric heating – Metal heating – By arc
Patent
1986-04-25
1988-08-30
Paschall, M. H.
Electric heating
Metal heating
By arc
21912152, 21912159, 21912154, B23K 900
Patent
active
047679077
ABSTRACT:
A method of igniting arcs wherein an electric field is formed in the vicinity of an electrode and ignition-plasma is projected against a cathode in the electric field, to thereby ignite an arc.
REFERENCES:
patent: 3309564 (1967-03-01), Poulsen
patent: 3344256 (1967-09-01), Anderson
patent: 3450926 (1969-06-01), Kiernan
patent: 4324971 (1982-04-01), Frappier
patent: 4390773 (1983-06-01), Esser et al.
Radio Frequency-Free Arc Starting in Gas Tungsten Arc Welding, Correy et al.-Welding Journal, pp. 33-41, May 1985.
Nakamura Taizo
Otani Tadayuki
Saito Tohru
Nippon Steel Corporation
Paschall M. H.
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