Apparatus for hardening metallic workpieces including furnace an

Details Apparatus for hardening metallic workpieces including furnace an Apparatus for hardening metallic workpieces including furnace an

1982-01-08

1983-07-26

Rutledge, L. Dewayne

Metallurgical apparatus

Means treating solid metal

By contact with gas

148 166, 266251, C23C 1110

Patent

active

043950248

ABSTRACT:
An apparatus for the treatment of a metallic workpiece includes (a) a transport structure which includes a mounting portion and a platform portion, the platform portion, which is the part of the transport structure on which the workpiece to be treated is positioned, being electrically insulated from the mounting portion, and (b) a hollow furnace which includes heating elements and two spaced apart electrodes, the furnace being constructed to allow the platform portion of the transport structure to be located within the hollow furnace during its operation while the mounting portion remains exterior thereto.

REFERENCES:
patent: 634499 (1899-10-01), Hundley
patent: 2434852 (1946-10-01), Jackson
patent: 4124199 (1978-11-01), Jones et al.
patent: 4179618 (1979-12-01), Tanaka et al.
patent: 4221972 (1980-09-01), Oppel et al.
"Ion Carburizing Furnace Energy Conservation-Antipollution Processing", FIC Series Ulvac Corporation, technical pamphlet, Kennebunk Me.

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