Self-chilling food or beverage container

Details Self-chilling food or beverage container Self-chilling food or beverage container

1993-12-09

1995-03-07

Tapolcai, William E.

Refrigeration

Vortex tube, e.g., ranque

62294, 62371, F25D 310, F25B 904

Patent

active

053947037

ABSTRACT:
A portable, self contained heating or cooling apparatus for a beverage can is disclosed. A vortex tube is provides which supplies the needed heating or cooling effect to the beverage in the can.

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