Multi-linked seal assembly having friction-reducing layer
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United States of America Patent
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Oct 21, 2003
Grant Date -
Jan 16, 2003
app pub date -
Jul 10, 2001
filing date -
Jul 10, 2001
priority date (Note) -
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Abstract
A annular seal assembly having a friction-reducing layer, such as wire mesh, on the inner surface that is in contact with a pipe, whereby the friction-reducing layer decreases the coefficient of friction between the pipe and the seal assembly is decreased so that the seal is not dislodged from the wall when the pipe is pushed through the seal assembly.
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