Induction heated casting channel with graphite sleeve

Details Induction heated casting channel with graphite sleeve Induction heated casting channel with graphite sleeve

1983-08-31

1984-10-09

Rutledge, L. Dewayne

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

222593, B22D 3506, C21C 542

Patent

active

044757212

ABSTRACT:
A fusing furnace casting channel 13 is surrounded by an induction heating coil 17 embedded in a refractory lining 12. A graphite sleeve 20 having a refractory inner coating 16 defines the casting channel. The sleeve serves as a permanent, single turn secondary winding such that the channel may be preheated even when no molten metal is present in the channel, which would ordinarily act as the secondary winding or core. This enables the casting channel to be maintained at a high temperature between successive casting operations.

REFERENCES:
patent: 2882570 (1959-04-01), Brennan
patent: 3435992 (1969-04-01), Tilsdale et al.
patent: 3604598 (1971-09-01), Kappmeyer et al.
patent: 3623541 (1971-11-01), Schmitz

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