Expansion tank with double diaphragm
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United States of America Patent
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-
Dec 4, 2007
Grant Date -
Jan 27, 2005
app pub date -
Apr 21, 2004
filing date -
Jul 22, 2003
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture adapted and constructed to be connected to a liquid port, and the peripheral edges of the non-flexible diaphragm and the flexible diaphragm are sealed together. The bladder is suitable for use in an expansion tank.
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Cited Art Landscape
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