| 摘要 |
<p>A bottle cap (2) for universal retrofitting to one of a number of pre-existingbeverage containers (10) containing a beverage and having a removed cap and threadedaperture, having at least one container portion for containing at least one dispensablematerial (4), a threaded portion (6) for receiving the threaded aperture andcreating, when threaded, a water-tight assembly; and a bag (23) containing thedispensable material located in the container portion.</p> |
