Patent ID: 8136693

Claim:
A removable closure for a beverage container, comprising: a. a cap for covering a mouth of the container; b. an arcuate member, having a first extremity and a second extremity separated one from another, connection of which would close a periphery of the arcuate member; c. a passageway, having a rectangular annular recess formed around a periphery of the passageway, extending through the arcuate member and by which the arcuate member is connected to the cap; d. a base of a valve, seated in the rectangular annular recess formed around the periphery of the passageway; and e. a springing member, being pivotally moveable between a first position at which the springing member closes and completes the periphery of the arcuate member and a second position at which the periphery of the arcuate member is open.