Flared tube coupling having a disposable sealing boot
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United States of America Patent
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-
Apr 2, 1996
Grant Date -
N/A
app pub date -
Feb 10, 1995
filing date -
Feb 10, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a tube coupling a resilient sealing boot is disposed between facing frusto-conical sealing surfaces to prevent fluid flow therebetween. A first tube is provided an external frusto-conical sealing surface and an outer cylindrical surface adjoining the external sealing surface, and a second tube is provided an internal frusto-conical sealing surface within an end thereof. The sealing boot is preferably formed entirely of a flexible graphite material to include a cylindrical collar that fits over the outer cylindrical surface of the first tube, and a skirt having one or more integral O-rings which engage one or both of the facing frusto-conical sealing surfaces as the ends of the first and second tubes are drawn together.
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