Industrial electric heating furnaces – Induction furnace device – Coreless
Patent
1985-02-06
1986-11-11
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Coreless
373153, 373156, 336207, H05B 516
Patent
active
046226796
ABSTRACT:
In a vacuum induction furnace provided with an induction coil, surrounding a furnace crucible, the coil includes a plurality of intermediate layers inserted between the individual windings, and spacer elements also inserted between the individual windings, next to the intermediate layers and at the side of the coil facing the crucible. The spacer elements are formed of insulating material.
REFERENCES:
patent: 2085450 (1937-06-01), Rohn
patent: 3300565 (1967-01-01), Junker
patent: 4152187 (1979-05-01), Caudill et al.
Envall Jr. Roy N.
Otto Junker GmbH
Striker Michael J.
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