Patent ID: 6851565

Claim:
An integral single piece adapter ring with internal female and external male threads, for adapting a conventional baby bottle nipple-and-collar to fit a conventional narrow-mouthed threaded beverage bottle top, said adapter comprising: a cylindrical ring ( 2 ) having an internal void ( 3 ) therein; said female threads located on an inner wall ( 4 ) of said ring ( 2 ); said female threads for mating with respective male bottle-top threads of a conventional narrow-diameter threaded-cap beverage container ( 8 ), said female threads on said inner wall ( 4 ) for permitting alternate user mounting and user removal of said cylindrical ring ( 2 ) respectively onto and from said conventional beverage bottle ( 8 ); said cylindrical ring ( 2 ) having external male threads on an outer wall of said ring ( 2 ); said male threads for alternate user mounting and removal respectively onto and from respective internal female threads on a conventional baby-bottle nipple collar ( 6 ); an unbraced, unencumbered resilient circumferential sealing flange ( 5 ), said sealing flange being completely flat on its respective top and bottom surfaces, said sealing flange extending radially inward from said inner wall of said ring ( 2 ); said completely flat sealing flange ( 5 ) having a central aperture for permitting fluid flow to a conventional baby-bottle nipple ( 7 ) therethrough; said completely flat sealing flange ( 5 ) sealably contacting an upper edge of the conventional beverage bottle spout when said cylindrical ring ( 2 ) and said conventional baby-bottle collar are in their respective mounted positions; and an uninterrupted top chamber above said sealing flange ( 5 ) and a bottom chamber below said sealing flange ( 5 ), said top chamber having a smooth, cylindrical interior wall and a diameter larger than the diameter of said bottom chamber.