Air valve for a cap provided with mouthpiece for drinking
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United States of America Patent
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Apr 27, 2010
Grant Date -
Mar 23, 2006
app pub date -
Dec 23, 2003
filing date -
Jan 20, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An air valve for the cap of a liquid container comprising an annular membrane. The cap has at least one air passage opening. A holding element having an encircling groove that is open toward the inside of the cap is fixed to the inside of the cap. This holding element has at least one air inlet opening connected to the air passage opening of the cap and which leads into the groove. A ring can be placed or is placed inside the groove. Also provided is a mouthpiece for drinking from a liquid container, which is made, in essence, of elastic material and placed on a cap provided with the inventive air valve.
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