Pipe joints or couplings – Swivel – Pipe in socket type
Patent
1978-05-24
1980-09-09
Arola, Dave W.
Pipe joints or couplings
Swivel
Pipe in socket type
285281, 285315, 2853342, 285351, 285354, 285DIG21, 285DIG7, F16L 2700
Patent
active
042214084
ABSTRACT:
A swivel joint for incorporation in a pipe network maintains flow path integrity at the joint for both swivel and rigid connection modes. A butt flange and a connector body having aligned flow paths therethrough are coupled together by a bearing which provides rotational movement between the butt flange and the connector body. A dynamic seal is disposed between the butt flange and the bearing. A retainer between the bearing and the connector body allows axial movement therebetween when the connector body is urged toward the butt flange, but restrains such axial movement when the connector body is urged away from the butt flange. A static seal carried by the butt flange and axially spaced from the connector body in the swivel mode is engaged by the connector body when the latter is moved axially toward the butt flange, thereby establishing the rigid connection mode. The apparatus includes diverse structure for moving the connector body axially and thereby obtaining engagement between the static seal and the connector body.
REFERENCES:
patent: 2112352 (1938-03-01), Vetrono
patent: 2927804 (1960-03-01), Snyder et al.
patent: 3142498 (1964-07-01), Press
patent: 3239248 (1966-03-01), Jones
patent: 3752507 (1973-08-01), Mourer
patent: 3874706 (1975-04-01), Arnold
patent: 3967841 (1976-07-01), Kendrick
FMC Underwater Drilling Completion System Brochure, p. 22.
Horn Charles E.
Lochte Glen E.
Arola Dave W.
FMC Corporation
Ritt, Jr. W. W.
Stanley H. M.
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