Cover Device For A Drink Container
(57) Abstract
A cover device ( 2 ) for a drink container comprises a basic assembly ( 9 ) which is provided with a drink opening ( 32 ), and a valve arrangement ( 20 ) for blocking or unblocking a passage to the drink opening ( 32 ) from a drink container side of the cover device ( 2 ). The valve arrangement ( 20 ) comprises a valve element ( 26 ) having two portions ( 27, 28 ) which are connected to each other through an area of the valve element ( 26 ) at a position where the valve element ( 26 ) is hingably associated with the basic assembly ( 9 ), the valve element ( 26 ) has a slit ( 42 ), and at least one of the valve element ( 26 ) and the connecting member ( 37 ) is shaped in such a way that the tighter the valve element ( 26 ) is pushed onto the connecting member ( 37 ), the more firmly the slit ( 42 ) is closed.
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