Patent ID: 7296434

Claim:
A cooler comprising: a first enclosure of a first shape including a first enclosed volume and including a first controllable opening to provide access to an interior region thereof; a second enclosure of a second shape including a second enclosed volume partly defined by an insulated wall portion providing a thermal barrier relative to an ambient condition, the first and second shapes both defined in part with a wall portion common to each, a portion of the second volume extending about a portion of the first volume, so that the portion of the first volume is disposed within a region defined by the second shape, the second enclosure including a second controllable opening to provide access to an interior region thereof; and wherein the first and second enclosed volumes are separated from one another by a single wall common to each through which the first and second enclosed volumes are in a heat exchange relationship so that when a cooling material is placed within the second enclosed volume the first enclosed volume is cooled by heat exchange through the single common wall.