Plasma heated batch-type annealing furnace

Details Plasma heated batch-type annealing furnace Plasma heated batch-type annealing furnace

1974-06-17

1976-01-27

Envall, Jr., R. N.

Electric heating

Microwave heating

Tunnel furnace

219121P, H05H 126

Patent

active

039353710

ABSTRACT:
An apparatus for heat treatment, i.e., annealing or softening, of metal materials in the nature of coiled rod, wire, strip sheet, and the like, utilizes a conventional batch-type furnace with a controlled atmosphere heated by an electric arc source, i.e., a plasma generator.

REFERENCES:
patent: 2798716 (1957-07-01), Pugh
patent: 3147329 (1964-09-01), Gage

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