Electric heating – Metal heating – By arc
Patent
1988-03-30
1989-09-12
Paschall, M. H.
Electric heating
Metal heating
By arc
21912148, 219 7616, 427233, 427236, B23K 900
Patent
active
048662410
ABSTRACT:
An apparatus for coating the internal surface of a tubular object having an irregular internal surface which comprises a combination of arms which enable the torch to be in the optimal coating position as it moves over and coats the internal surface.
REFERENCES:
patent: 3911175 (1975-10-01), Chemeris et al.
patent: 3915114 (1975-10-01), Pelton
patent: 4514443 (1985-04-01), Kostecki
patent: 4667081 (1987-05-01), Turin et al.
Doherty William G.
McCoy Mark
Sharp David J.
Lieberstein E.
Paschall M. H.
Union Carbide Corporation
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