Mechanical face seals
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United States of America Patent
Stats
-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Jul 6, 1992
filing date -
Jul 24, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical face seal has a first seal face member mounted in fixed rotational and axial relationship and sealed with respect to a housing, and a second seal face member mounted with respect to a shaft by means of an elastomeric bellows unit, the bellows unit being axially compressed so that it urges the second seal face member into sealing engagement with the first seal face member; the elastomeric bellows unit being formed from an elastomeric composition with reinforcing fibres embedded therein, the reinforcing fibres being orientated axially of the bellows unit.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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