Removable bottle cap assembly

摘要

A removable bottle cap assembly 100 has an outflow cap 110, sleeve 140, reservoir section 120 and a breachable sealing member. The outflow cap comprising a threaded member 112 and a mouthpiece 114 configured to selectively block and enable liquid flow through the mouthpiece and may be conventional. The sleeve is configured to screw onto a bottle 160. The reservoir section is disposed between the outflow cap and the sleeve. And the breachable sealing member is disposed on the reservoir section such that when the sealing member is intact the sealing member and the outflow cap retain a volume of liquid within the reservoir section and when the sealing member is breached the sleeve provides a conduit between the volume of liquid within the reservoir section and a bottle to which the sleeve may be screwed. In the illustrated embodiments the reservoir section defines bulbous sidewalls, which may define an interior volume at least 1.5 fluid ounces.