Electric heating – Metal heating – By arc
Patent
1985-10-10
1987-04-07
Paschall, M. H.
Electric heating
Metal heating
By arc
219121PP, 219 75, B23K 1500
Patent
active
046563300
ABSTRACT:
An electric arc or plasma jet torch or heater has water-cooled electrode structures and a working gas injection arrangement which produce efficiently a very stable arc of maximum length at operating currents ranging from 20 amps to more than 400 amps so that the same torch can be used to satisfy a wide range of heating requirements.
REFERENCES:
patent: 2941063 (1960-06-01), Ducati et al.
patent: 3806698 (1974-04-01), Hare et al.
patent: 3830428 (1974-08-01), Dyos
patent: 4311897 (1982-01-01), Yerushalmy
Paschall M. H.
Plasma Materials
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