Sealing assembly having liquid-filled seal
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United States of America Patent
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Aug 5, 2014
Grant Date -
Jun 17, 2010
app pub date -
Dec 14, 2009
filing date -
Dec 16, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sealing assembly for a liquid conveying system includes a first structure defining an aperture, such as a pipe receiving aperture. A second structure, such as a pipe is received in the aperture. And an annular seal is disposed within the aperture for radially sealing between the first structure and the second structure. The seal includes an outer radial portion embedded in the first structure and an inner radial portion in sealing engagement with the second structure. The inner radial portion defines an internal cavity containing a substantially incompressible fluid or gel that is movable within the cavity to provide a dynamic seal with the second structure.
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