Cooling apparatus

Refrigeration – Processes – Treating an article

Patent

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Details

62381, F25D 1306

Patent

active

058361669

ABSTRACT:
The present invention provides a food freezing apparatus and method in which food is passed through an elongated tube in which it is subjected to both crust and atmospheric freezing before being removed for packing. The crust freezing is facilitated by spraying liquid cryogen onto the outside of the tube at an upstream portion thereof.

REFERENCES:
patent: 3485055 (1969-12-01), Webster et al.
patent: 3992899 (1976-11-01), Spahn
patent: 5036673 (1991-08-01), Miller et al.
patent: 5186019 (1993-02-01), Weyermanns et al.
patent: 5220802 (1993-06-01), Kiczek et al.

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