Patent ID: 8931302
Filing Date: 2015-01-13
Classification: F25D

Abstract:
1. A heat exchange unit for housing a pressurized medium for use in cooling a food or beverage disposed within a container and surrounding the heat exchange unit comprising: a metal shell having an outer surface, a closed bottom and an open upper end terminating in a rim; a die cast metal top section being substantially thicker than said metal shell and having an opening defined by a solid curl and a skirt having an inner surface and a terminus shoulder fitted over the open upper end of said metal shell and extending downwardly along the outer surface of said shell; said rim of said metal shell abutting said shoulder of said skirt inner surface so that the skirt inner surface overlaps the outer surface of said shell for a substantial distance; and a metal to metal bonding adhesive disposed between said top section inner surface and said shell outer surface to permanently secure said metal top section to said metal shell.