Patent ID: 6935493

Claim:
A cap device for a bottle, said cap device comprising: a cap cover defining a cavity therein for containing an additive therein; a partition wall provided in the cavity to divide the cavity into two chambers, each chamber capable of containing an additive therein; a first funnel part provided at a lower section of the cap cover, said first funnel part having an open lower end; a breakable sheet provided at the lower end of the first funnel part to cover the open lower end of the first funnel part; said breakable sheet structured to be easily broken by external impact; a cap body removably assembled to a lower end of the cap cover, said cap body removably connected to said bottle; a second funnel part provided at an upper section of the cap body; wherein the first and second funnel parts are spaced apart from each other in a non-usage position of the cap device; wherein the first and second funnel parts move substantially close together when said cap cover is twisted in a first predetermined direction to move the cap device to a mixing position; and, means for breaking the breakable sheet so as to open the lower end of the first funnel part.