Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent
1989-07-20
1990-08-28
Reese, Randolph A.
Pipe joints or couplings
With assembly means or feature
With holding means functioning only during transportation...
2851332, 285309, 285341, 285140, F16L 2108, F16L 19065
Patent
active
049519727
ABSTRACT:
The invention relates to a method and apparatus suitable for angularly adjusting an attachment member to be sealed to a bore, for example a wellhead body (2) in the bore of a conductor (4). The attachment body (2) is to be sealed through the intermediary of a housing (6) and a metal-to-metal wedge seal. A support ring (14) encircling the external peripheral surface of the housing (6) is movable between two axially spaced positions on the peripheral surface, and movable pins are provided to maintain the support ring (14) in a first, out-of-the-way position until the housing (6) is positioned in the bore (4) mouth, the pins (9) being releasable to permit axial movement of the annular support member ring (14) from the first position towards a second position in which the member body (2) is in direct contact with the bore mouth. There are further provided ball bearings (8) for permitting rotation between the body (2) and the housing (6) prior to the support ring (14) taking up its second position, the pins (9), when withdrawn, then acting to immobilize rotation between the body (2) and the housing (6). Screws (26) are then used in a conventional manner to energize the sealing device when the support member ring (14) is in its second position.
REFERENCES:
patent: 1650102 (1927-11-01), Tschappat
patent: 2134311 (1938-10-01), Minor et al.
patent: 2313169 (1943-03-01), Penick et al.
patent: 2599039 (1952-06-01), Baker
patent: 3287030 (1966-11-01), Crain et al.
patent: 3688841 (1972-09-01), Baugh
patent: 4209193 (1980-06-01), Ahlstone
patent: 4343495 (1982-08-01), Nobileau et al.
Close Frank
MacIntyre Brian
McAvoy Sean
Cooper Industries Inc.
Reese Randolph A.
Rose David A.
Thompson Jeffrey L.
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