Carburization and quenching apparatus

Details Carburization and quenching apparatus Carburization and quenching apparatus

1998-07-06

2000-11-21

Yee, Deborah

Metallurgical apparatus

Means treating solid metal

By contact with gas

C23C 800

Patent

active

061498602

ABSTRACT:
A carburization and quenching apparatus includes: a plurality of carburizing chambers for carburizing thin plate parts; a gas cooling chamber for cooling the thin plate parts carburized in the carburizing chambers; and a reservoir tank 3 connected to the gas cooling chamber for delivering a cooling gas into the gas cooling chamber. The plurality of carburizing chambers are positioned at an approximately equal distance from the gas cooling chamber to surround the gas cooling chamber.
In a continuous furnace, thin plate parts can be transported successively at least between a carburizing chamber and a pressurized cooling chamber. The thin plate parts are carburized in the carburizing chamber and then rapidly quenched in the pressurized cooling chamber by cooling the thin plate parts with a pressurized gas which can be e.g. inert gas.

REFERENCES:
patent: 3950192 (1976-04-01), Golland et al.
patent: 5868871 (1999-02-01), Yokose et al.

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