Industrial furnaces for the heat treatment of metallic workpiece

Details Industrial furnaces for the heat treatment of metallic workpiece Industrial furnaces for the heat treatment of metallic workpiece

1979-10-15

1981-07-14

Camby, John J.

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

98 40E, 266251, 266259, 432144, 432199, 432203, F27B 904

Patent

active

042784212

ABSTRACT:
An industrial furnace, particularly a single-chamber vacuum furnace, for heat treatment of metallic workpieces, with a heating chamber which is formed in a housing, which heating chamber is heatable via heating elements and is provided on the bottom and on the ceiling with a closable chamber opening for the passage of a quenching gas which can be circulated by means of a blower. A flap is swingably mounted at the chamber opening underneath a closing slide, which chamber opening is provided for the entrance of the gas. The flap controls the incoming flow of gas within the range of the free cross-section of the chamber opening.

REFERENCES:
patent: 2471775 (1949-05-01), Reece
patent: 3301541 (1967-01-01), Ipsen
patent: 3677166 (1972-07-01), Sisk, Jr. et al.
patent: 4007673 (1977-02-01), Zaloga
patent: 4162141 (1979-07-01), West

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