Dispensing system including an improved throat plug assembly
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United States of America Patent
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Jun 5, 2012
Grant Date -
Aug 26, 2010
app pub date -
Feb 20, 2009
filing date -
Feb 20, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A dispensing system for use on a liquid container such as a bottle or the like for dispensing the liquid contents from the bottle. The outlet opening of the container is closed by the improved throat plug assembly of this invention having a valve positioned therein which is open when the container is mounted in a dispensing fixture which is closed when the container is not mounted on the dispensing system. A plastic spring yieldably urges the valve to its closed position. In the preferred embodiment, a retainer and plastic spring are of one-piece molded construction. The throat plug assembly also includes a specifically shaped valve which is opened slightly when the container is being stored or transported to vent vapor pressure from within the container should the same be necessary.
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