Directly heatable crucible for induction melting furnaces

Details Directly heatable crucible for induction melting furnaces Directly heatable crucible for induction melting furnaces

1989-08-09

1991-06-04

Reynolds, Bruce A.

Industrial electric heating furnaces

Induction furnace device

Coreless

373156, 219 10491, H05B 622

Patent

active

050220446

ABSTRACT:
In a directly heatable crucible 3 for induction melting furnaces, especially for melting refractory and highly-pure metals, including an inductor coil 11 surrounding a crucible 3 and a housing 5, which at least partially encloses the inductor coil 11 and the crucible 3 and which forms together with the external wall 9, 9' of the crucible a closed chamber having an annular portion 10 and a flat cylindrical base portion 10'. This chamber is passed through by a cooling agent and the crucible 3 is made of the material to be molten.

REFERENCES:
patent: 1707294 (1929-03-01), Woodson
patent: 3162710 (1964-12-01), Anderson
patent: 3383840 (1968-05-01), Johnson et al.
patent: 3935412 (1976-01-01), McDonough et al.
patent: 4738713 (1988-04-01), Stickle et al.

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