Electric heating – Metal heating – By arc
Patent
1983-09-16
1986-03-25
Paschall, M. H.
Electric heating
Metal heating
By arc
219121PP, 219121PQ, 31511151, 356316, B23K 900
Patent
active
045785600
ABSTRACT:
A high frequency induction coupled plasma torch is disclosed. The torch is comprised of a multi-pipe structure and is used for forming a plasma flame by high frequency power induction. The torch is comprised of a plurality of pipes which are coaxially arranged within each other. Each of the pipes has one or more flanged openings positioned on its surface whereby it is interconnected to the adjacent pipe. By means of the flanged openings any given pipe may be interconnected with any number of outer pipes. The torch can be economically produced and maintained.
REFERENCES:
patent: 3296410 (1967-01-01), Hedger
patent: 3467471 (1969-09-01), Greenfield et al.
patent: 3586905 (1971-06-01), Bignell
patent: 4035604 (1977-07-01), Meleka et al.
patent: 4147916 (1979-04-01), Fairbairn
Fujiwara Kunio
Miyajiri Tetsuo
Tanaka Gotaro
Paschall M. H.
Sumitomo Electric Industries Ltd.
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