Vent plug for self-contained viscous liquid dispenser
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United States of America Patent
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Oct 3, 2006
Issued Date -
N/A
app pub date -
Dec 23, 2003
filing date -
Dec 23, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A self-contained viscous liquid dispenser having an improved vent valve is provided. The vent valve includes a plug member having a sealing ridge at its perimeter. The vent valve is activated at reduced pressure differentials between the inside and outside of the dispenser. The vent valve also provides redundant sealing capability.
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