One way valve for fluid evacuation from a container
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United States of America Patent
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Jun 30, 2009
Grant Date -
Sep 25, 2008
app pub date -
Apr 1, 2008
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
The present invention provides a container assembly having: (1) a flexible wall defining fluid tight chamber; (2) a valve body attached to the flexible; (3) a plunger associated with the valve body and moveable with respect to the valve body from a first position to a second position; and (4) a diaphragm positioned in the valve body for opening and closing the valve.
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