Patent ID: 7866180

Claim:
A self-cooling container comprising an outer housing including an opening; a removable outer cap sealing the opening of the outer housing; a sealing cap including a ring-shaped portion and a refrigerant releasing aperture held within the outer housing; a receptacle attached to the sealing cap, including an inner receptacle member and a plurality of nested receptacle members, each including a side wall, an open top, and a closed bottom, extending outward from the inner receptacle member, wherein the inner receptacle member has a closed bottom and an open top fastened to extend around the ring-shaped portion of the sealing cap, and wherein a top edge of each of the nested receptacle members is sealed to the open end of the inner receptacle member, a refrigerant held under pressure within the inner receptacle member a beverage held within the outer housing; and, a refrigerant releasing structure holding the refrigerant releasing aperture closed while the outer cap seals the opening of the outer housing and opening the refrigerant releasing aperture when the outer cap is removed from the opening of the outer housing.