Heat exchange unit for self-cooling containers
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United States of America Patent
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Jan 13, 2015
Grant Date -
Aug 22, 2013
app pub date -
Apr 15, 2011
filing date -
Apr 23, 2010
priority date (Note) -
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Abstract
A heat exchange unit (HEU) for positioning internally of a container for housing a food or beverage, the HEU including a metal shell having an outer surface, and a metal top section having a skirt, which fits over the outer surface of the metal shell and is permanently secured to said metal shell by an adhesive material, compressed carbon particles are disposed within said metal shell and carbon dioxide gas is adsorbed by said carbon particles and upon activation of a valve secured to said top section desorbs to cool the food or beverage.
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