Graded pressure apparatus for cooling food and beverages and...

Details Graded pressure apparatus for cooling food and beverages and... Graded pressure apparatus for cooling food and beverages and...

2011-01-11

2011-01-11

Tapolcai, William E (Department: 3744)

Refrigeration

Container cutter or punch-type opening means

C062S371000, C062S457300

Reexamination Certificate

active

07866180

ABSTRACT:
A self cooling container for a beverage includes a receptacle holding a refrigerant under pressure. When an outer cap of the container is opened, the refrigerant is exhausted, cooling the receptacle and the beverage surrounding it. The receptacle includes an inner receptacle member and one or more walls extending around the receptacle member, with spaces between adjacent walls being established at descending pressure values outward from the inner receptacle, which is held at a high pressure.

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