Quick freezing system

Details Quick freezing system Quick freezing system

1982-02-18

1983-09-13

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62186, 62374, 62380, F25D 1306

Patent

active

044034792

ABSTRACT:
Apparatus for quick freezing of food products and the like including an insulating tank with a liquid nitrogen bath, an adjacent chamber, a conveyor system for moving product through the bath and the chamber, and an exhaust system for drawing vapor from the tank into and out of the chamber. A process for quick freezing of food products and the like wherein at least the surface of an item is frozen by immersing the item in a liquid nitrogen bath, after which the item is moved through a chamber and further cooled by vapor from the liquid bath drawn into the chamber.

REFERENCES:
patent: 3485055 (1969-12-01), Webster et al.
patent: 3832864 (1974-09-01), Rasovich
patent: 3898863 (1975-08-01), Wagner

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