Method for controlling quenching

Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal

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148143, C21D 118

Patent

active

039635350

ABSTRACT:
A method for regulated cooling of hot objects by liquid medium or media in which the cooling is varied by varying the pressure under which said cooling takes place, and means for carrying out the method, said means comprising an open or closed container for the cooling agent or agents having means for regulating the temperature of the cooling agent, means for stirring the cooling agent, means for conveying the cooling agent to a shaft-constituting part of the container, means for inserting the object into the shaft and means for regulating the pressure of the cooling agent in said shaft.

REFERENCES:
patent: 1834702 (1931-03-01), Hafer
patent: 2672430 (1954-03-01), Simons
patent: 3164656 (1965-01-01), Ipsen
patent: 3415694 (1968-12-01), Engelhard
patent: 3441453 (1969-04-01), Western
patent: 3633895 (1972-01-01), Genrich
patent: 3669762 (1972-06-01), Takeo et al.

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