Electric heating – Metal heating – By arc
Patent
1981-08-14
1984-02-07
Paschall, M. H.
Electric heating
Metal heating
By arc
219121PN, 219121PP, 219 75, 2391323, B23K 900
Patent
active
044305460
ABSTRACT:
A plasma spray gun nozzle with a thin annular coolant passage having extended life. The thin annular passage is located adjacent a thin nozzle wall which confines the arc formed in the nozzle. The dimensions of the thin annular passage and the wall thickness are selected to assure maximum nozzle life.
REFERENCES:
patent: 3830428 (1974-08-01), Dyos
patent: 3858072 (1974-12-01), Dembovsky
patent: 4058698 (1977-11-01), Bykhovsky et al.
Welding Handbook, sixth edition, section two, "Welding Processes: Gas, Arc, and Resistance" p. 29.3.
Buzzelli Dennis K.
Irons Gary C.
Klein John F.
Smyth Richard T.
Crane J. D.
Grimes E. T.
Masselle F. L.
Metco Inc.
Paschall M. H.
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