Patent ID: 7967135

Claim:
A container for providing a mixture of a primary fluid and a secondary substance to a consumer, comprising: a. a can having a hollow interior, said hollow interior containing a primary fluid; b. a lid on said can; c. a secondary container having a hollow interior within said hollow interior of said can; d. a secondary substance located within said secondary container; e. a hatch in said lid, said hatch being connected to said lid by a hinge; f. a hatch-actuating lever on said lid, positioned so that lifting said lever forces said hatch to swing downward into said hollow interior of said can; g. said secondary container including an opening with a stiff boundary; h. said opening in said secondary container being closed by a thin seal; i. a piercer located within said hollow interior of said can, said piercer including a point, and said piercer being positioned so that when said hatch swings down into said hollow interior of said can, said hatch forces said point of said piercer into said thin seal covering said opening of said secondary container.