Continuous ion-carburizing and quenching system

Details Continuous ion-carburizing and quenching system Continuous ion-carburizing and quenching system

1989-12-19

1990-07-03

Rosenberg, Peter D.

Metallurgical apparatus

Means treating solid metal

Having evacuated chamber

148 165, 266249, C21D 174

Patent

active

049384589

ABSTRACT:
A heating process, a carburizing process and a diffusion process are successively carried out in a continuous ion-carburizing and quenching system, which is provided with a rotary hearth type continuous ion-carburizing furnace and a continuous diffusion furnace disposed adjacent to the ion-carburizing furnace. The ion-carburizing furnace is provided with a charge vestibule and a discharge vestibule while the diffusion furnace is provided with a charge vestibule and a quenching chamber. The discharge vestibule of the ion-carburizing furnace is connected to the charge vestibule of the diffusion furnace by a transfer vestibule so that a material to be treated may be transferred from the ion-carburizing furnace towards the diffusion furnace through the transfer vestibule. An airtight door is disposed midway of the transfer vestibule for partitioning the discharge vestibule of the ion-carburizing furnace and the charge vestibule of the diffusion furnace from each other.

REFERENCES:
patent: 4019064 (1977-04-01), Michel
patent: 4342918 (1982-08-01), Tanaka
patent: 4853046 (1989-08-01), Verhoff

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