Selectively expandable and contractible barrier
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United States of America Patent
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Apr 17, 2012
Grant Date -
Jun 25, 2009
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
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Abstract
A barrier membrane assembly for sealing a constant velocity joint assembly includes at least one selectively expandable and contractible barrier membrane body. The barrier membrane body has no openings therethrough and may selectively expand and contract in response to operational pressures acting against the barrier membrane body.
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