Electric heating – Metal heating – By arc
Patent
1990-07-25
1991-10-01
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912139, 21912149, 266 65, B23K 900
Patent
active
050536001
ABSTRACT:
A slag chute system for a hot cutting discharge device, including upper and lower removable tubular liner sections aligned below the hot cutting discharge, the internal bores of which are chrome plated and polished to resist adhesion of spatter. A removable annular insert ring surrounds the jet and has a smaller diameter opening than the inside diameter of the upper chute liner section, which in turn is smaller than the internal diameter of the lower chute liner section to produce a stepped diameter chute.
REFERENCES:
patent: 3743260 (1973-07-01), Alleman et al.
patent: 3828159 (1974-08-01), Zoot
patent: 4063059 (1977-12-01), Brolund et al.
patent: 4338507 (1982-07-01), Scott
Chun Victor L.
Jaworski George M.
Benefiel John R.
Murata Wiedemann, Inc.
Paschall Mark H.
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