Flowline swivel with removable product seal surfaces

Details Flowline swivel with removable product seal surfaces Flowline swivel with removable product seal surfaces

1986-03-05

1986-11-04

Callaghan, Thomas F.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

285 98, 285276, F16L 2708

Patent

active

046207287

ABSTRACT:
The present invention relates to a flowline swivel. The swivel is configured so that the product seals are easily replaceable, the included bearing are not exposes to contamination either during use or during replacement of the product seals, and the seal surfaces may be cleaned without disturbing the bearings. The swivel incorporates removable product and environmental seal surfaces.

REFERENCES:
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patent: 3405980 (1968-10-01), Stonebraker
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patent: 3889983 (1975-06-01), Freize et al.
patent: 4221408 (1980-09-01), Lochte et al.
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patent: 4304310 (1981-12-01), Garrett
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patent: 4326736 (1982-04-01), Kusumi et al.
patent: 4355827 (1982-10-01), Ehret
patent: 4366973 (1983-01-01), Brekke
patent: 4449739 (1984-05-01), Raether
patent: 4468056 (1984-08-01), Kramer et al.

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