Protective cover for underwater flow line hub

Details Protective cover for underwater flow line hub Protective cover for underwater flow line hub

1979-11-30

1983-02-01

Corbin, David H.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, 405169, F16L 5510

Patent

active

043710050

ABSTRACT:
A temporary hub cover for the hubs of flow lines, hydraulic lines, and electrical conduits and the mating hubs of the underwater production unit includes a body enclosing the hub, plungers within the body for releasably engaging into detents on the hub to hold the cover on the hub, and a trigger mechanism operable from a remote location to release the engagement between the cover and hub whereby the cover can be removed from the hub.

REFERENCES:
patent: 2997070 (1961-08-01), Penhale
patent: 3701261 (1972-10-01), Nolan
patent: 3766947 (1973-10-01), Osburn
patent: 3795115 (1974-03-01), Bergquist et al.
patent: 3837685 (1974-09-01), Miller
patent: 3967462 (1976-07-01), DeJong
patent: 3968838 (1976-07-01), Baugh
patent: 4004635 (1977-01-01), Marquaire et al.
"Deep Water Production Without Divers", Offshore Services, Jan. 1978, pp. 26-31, 34.

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