Pipe joints or couplings – With assembly means or feature – Inserted section
Patent
1987-08-26
1989-01-03
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Inserted section
285 93, 285325, 285920, 285912, F16L 2104
Patent
active
047951982
ABSTRACT:
A connector device for an underwater pipe system which comprises one or m conduits, for connecting pipe sections together or to valves, well heads or similar, whereby such a pipe section comprises an end flange (2) which can be introduced into grooves extending in the transverse direction of a housing (1) by mutual movement of the pipe section and the housing transversely of their longitudinal direction, said housing containing an axially shiftable sleeve unit (7) having a through going duct for each conduit, and said device comprising means for biasing the end flange against surfaces in the grooves. In order to achieve sealing the sleeve unit or units (7) are equipped with at least one main sealing ring (13,19) for each duct, adapted to be pressed against a seat (15) on an end flange, and the sleeve unit or units are locked against rotation and have external threads which cooperate with internal threads in a socket (6) which partly surrounds the sleeve unit or units (7). The socket is locked against axial movement in the housing and is coupled to a worm shaft (5) in order to be rotated, for shifting of the sleeve unit or units, said worm shaft being journaled in the housing and can be controlled from the outside. A sealing bushing (24) may be provided inside of the sleeve unit or units, integral with or fastened to a sleeve unit, adapted to provide sealing for preventing that a medium in a conduit may come into contact with the socket (6) and/or the worm shaft (5).
REFERENCES:
patent: Re27340 (1972-04-01), Williams et al.
patent: 2484755 (1949-10-01), Smith
patent: 3053553 (1962-09-01), Browning
patent: 3999782 (1976-12-01), Shotbolt
patent: 4664419 (1987-05-01), Tan et al.
Arola Dave W.
Den norske stats Oljeselskap A/S and Liaaen Engineering A/S
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