Seal assembly
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United States of America Patent
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Nov 8, 2016
Grant Date -
Sep 10, 2015
app pub date -
Mar 5, 2015
filing date -
Mar 5, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A seal assembly comprises a first ring and a second ring which are rotatable relative to each other about a longitudinal axis (A-A). A first annular seal surface is formed on the first ring and is inclined with respect to the longitudinal axis and a second annular seal surface is formed on the second ring and is complementarily inclined to, and in abutment with, said first annular seal surface on the first ring. An annular groove is formed in at least one of said first and second seal rings adjacent to the seal surface on said seal ring and preferably a portion of the other ring projects into, or to a location adjacent to, the annular groove.
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