One-way valve
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United States of America Patent
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Aug 21, 1990
Grant Date -
N/A
app pub date -
Aug 31, 1988
filing date -
Aug 31, 1988
priority date (Note) -
Expired
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Abstract
A one-way valve comprising flat resilient members in face-to-face relationship which are bonded upon two generally parallel tracks defining a passageway therebetween, where the tracks have a tortuous profile along their inner edges, and optionally, where the passageway is creased and/or wetted.
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