Patent ID: 8439221

Claim:
A container for chilling a beverage held therein, comprising: a body having a cylindrical wall with a top lip and a bottom lip openings and an inner and outer faces, said body holding the beverage; a bottom which is hollow and encapsulates a chill fluid; a hollow sleeve insert positioned within said body against said cylindrical wall inner face and positioned above as spaced away from said bottom; wherein said hollow sleeve insert encapsulates a chill fluid; wherein said chill fluid within said bottom and within said sleeve insert freezes at a temperature of 32 F or below and wherein said chill fluid expands upon freezing; wherein said cylindrical wall is frustoconical-shaped with its larger diameter at its bottom; wherein said hollow sleeve insert is frustoconical-shaped with a top and bottom openings and its larger diameter at its bottom; wherein said hollow sleeve insert position against said cylindrical wall is by friction press-fit; and wherein said cylindrical wall inner face carries a plurality of receiving grooves proximate said hollow sleeve insert position, and wherein said hollow sleeve insert outer face carries a plurality of retaining and sealing rings wherein a respective ring of said insert engages a respective groove of said cylindrical wall.