Patent ID: 6530235
Filing Date: 2003-03-11
Classification: B65D,B67D,F25D

Abstract:
A self-chilling beverage container assembly comprising:a bottle having a neck portion with an end surface and a circumferential exterior thread about the neck; a cartridge support member of a generally dome-shaped configuration, and having a base end with an outwardly extending flange thereon, the cartridge support member projecting inside the neck portion of the bottle and having its base end flange in engagement with the end surface of the bottle neck; a refrigerant cartridge inside the bottle, having an end surface engaging with and supported by the cartridge support member; a bottle cap having an interiorly threaded circumferential wall and a bottom wall, the bottom wall having a central opening therein, the interiorly threaded circumferential wall of the bottle cap engaging the exterior threads of the bottle neck; a sealing member disposed within the central opening of the bottle cap and extending thereacross; and an elongated cartridge piercing mechanism having one end portion adjustably attached to the bottle cap, an intermediate portion extending through the seal member, and an operating end positioned in close proximity to the interengaging portions of the cartridge support member and refrigerant cartridge; whereby upon adjustment of the cartridge piercing mechanism inwardly relative to the bottle cap its operating end opens the refrigerant cartridge and thereby releases the refrigerant to cool the beverage contained in the remaining portion of the bottle.