Patent ID: 6820740
Filing Date: 2004-11-23
Classification: B65D

Abstract:
A bottle cap for universal retrofitting to one of a number of pre-existing beverage containers containing a beverage and having a removed cap and threaded aperture, comprising:(a) at least one container portion for containing at least one dispensable material; (b) screwable attachment means for receiving the threaded aperture and creating, when threaded, a water-tight assembly; and (c) a parseable membrane substantially planarly located within the plane defined by a cross-section of the screwable attachment means, such that on said membrane's one surface containment for said container portion is provided, and on its other surface there an air barrier to the contained material is provided, and wherein upon screwable attachment of the threaded aperture into said screwable attachment means, the threaded aperture parses at least a portion of said parseable membrane to permit feeding of said material into the beverage.