Flow regulating stopcocks and related methods
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United States of America Patent
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Apr 2, 2013
Grant Date -
Mar 18, 2010
app pub date -
Oct 29, 2008
filing date -
Sep 16, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dispenser using a stopcock valve has a first and second chamber. The first chamber has a flow material and is pressurized with air. The first chamber is connected to a stopcock valve that holds a second chamber which has a pressure sensor when the stopcock valve is rotated to the proper orientation. The stopcock valve is then rotated to a dispensing position where the flow material is dispensed under pressure to an outlet. By using the air pressure sensor and by taking into consideration the volume of the second chamber, the amount of flow of material can be dosed out consistently.
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