Patent ID: 7069739

Claim:
A device for cooling or heating a liquid contained in a bottle or can, said device comprising a tube having an open top and for insertion in the bottle or can; a first container provided in said tube and a first heat-exchanging fluid provided in said first container; a second container provided in said tube beneath said first container and a second heat-exchanging fluid provided in said second container; connecting means fixed to said first container and slidably engaging said second container for connecting said first container to said second container; at least one tube opening provided in said tube for flowing the liquid from the bottle or can, through said tube opening and from said open top when the bottle or can is inverted; a seal provided in said second container between said first heat-exchanging fluid and said second heat-exchanging fluid to prevent commingling of said first heat-exchanging fluid and said second heat-exchanging fluid through said connecting means; and a button slidably disposed in said tube and contacting said second container for displacing said second container in said tube, contacting said seal with said connecting means, rupturing said seal and mixing said first heat-exchanging fluid with said second heat-exchanging fluid in said second container, responsive to application of pressure on said button.