Rapid freezing apparatus

Refrigeration – Cooler utilizing solidified gas

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Details

62372, 62388, 624579, F25D 312

Patent

active

049169220

ABSTRACT:
A rapid freezing apparatus utilizes a flexible bag surrounding a cooling chamber for containing solid carbon dioxide formed in situ.

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patent: 4688398 (1987-08-01), Baek
patent: 4766740 (1988-08-01), Bradley et al.
patent: 4831842 (1989-05-01), Kelley et al.

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