SELF-COOLING CONTAINER INCLUDING LINER MEMBER, VALVE WITH AUTOMATIC SHUT-OFF AND OVERCAP PROTECTION

摘要

A self-cooling container (10) including a heat exchange unit (24) mounted to the bottom portion of the container such that a portion of the stem valve (50) protrudes from the botom of the container for cooling a product, such as a beverage. The heat exchange unit (24) includes a chamber (28) for containing a quantity of a gas, the chamber including a wall (32) in contact with the medium to be cooled, a valve (54) for controlling the release of the gas from the chamber, a liner member (34) disposed concentric and inside the wall of the chamber for facilitating flow of the gas throughout the heat exchange unit, and a means for exhausting the gas from the chamber. The liner member includes a plurality of ribs spaced along an outer surface of the liner member to form a plurality of channels (42) when the liner member is disposed adjacent the wall.