Self-cooling beverage container with evacuated refrigerant recei

Details Self-cooling beverage container with evacuated refrigerant recei Self-cooling beverage container with evacuated refrigerant recei

1993-03-29

1994-07-05

Sollecito, John M.

Refrigeration

Container cutter or punch-type opening means

624573, 624579, F25D 310

Patent

active

053256808

ABSTRACT:
A beverage can be cooled to a temperature lower than the ambient temperature by canning said beverage within a can which is internally provided with an integral cooling system comprising a compartment containing a liquid refrigerant fluid such as Freon 22 under a relatively elevated pressure, a compartment under reduced pressure connected with said high pressure refrigerant compartment by means of a partition, and a partition breaking device for perforating said partition to permit the expansion and flashing of the refrigerant fluid into said compartment under reduced pressure, in order to produce an absorption of heat from said beverage by the evaporation of said liquid refrigerant.

REFERENCES:
patent: 4688395 (1987-08-01), Holcomb
patent: 5214933 (1993-06-01), Altchison et al.

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