Device for heat-treating metal workpieces

Details Device for heat-treating metal workpieces Device for heat-treating metal workpieces

1994-07-15

1995-04-04

Rosenberg, Peter D.

Metallurgical apparatus

Means treating solid metal

By contact with gas

266 96, 266262, C21D 900, C21D 174

Patent

active

054029945

ABSTRACT:
An apparatus for heat-treating metallic workpieces, which includes two successive furnaces, a feeding device for feeding workpieces to the first furnace, and conveyor means from transporting workpieces from the first to the second furnace. Both furnaces are equipped with gas-tight inlet and out doors. The conveyor means are also gas-tight. The furnaces are each equipped with means for controlling temperature, dwell time and atmosphere.

REFERENCES:
patent: 4238122 (1980-12-01), Snyder
patent: 4415145 (1983-11-01), Herdieckerhoff
patent: 4480822 (1984-11-01), Mauratelli
patent: 5164145 (1992-11-01), Smith
patent: 5190718 (1993-03-01), Buffard
patent: 5265851 (1993-11-01), Beuret
patent: 5286007 (1994-02-01), Takagi

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