Industrial electric heating furnaces – Induction furnace device – Coreless
Patent
1984-07-26
1986-04-01
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Coreless
373155, 373156, 373142, H05B 500
Patent
active
045802734
ABSTRACT:
A furnace comprises a crucible surrounded by an induction heating coil and having a filling mouth and a pouring spout. The crucible is cylindrical in shape having an oval external cross-sectional profile with a major diameter and a minor diameter, and an internal profile of substantially constant diameter. In the portions of the crucible wall of greater thickness are formed a filling duct and a pouring duct which connect the filling mouth and the pouring spout respectively to the bottom of the crucible.
REFERENCES:
patent: 3162710 (1964-12-01), Anderson
patent: 3703600 (1972-11-01), Scott
patent: 3811001 (1974-05-01), Lethen
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