Device for locking and unlocking two concentric pipes

Details Device for locking and unlocking two concentric pipes Device for locking and unlocking two concentric pipes

1975-06-17

1977-08-02

Arola, Dave W.

Pipe joints or couplings

Frangible element

285 24, 285138, 285140, 285261, 285317, F16L 3500

Patent

active

040392082

ABSTRACT:
A device for locking and unlocking two concentric pipes, for example extending between an underwater oil well and a surface apparatus, comprising first and second locking means on one of said pipes and at least two stop means on the other of said pipes operative to limit relative movement of said pipes in the connection direction and to prevent relative movement of said pipes, when locked together, in the disconnection direction, wherein locking and unlocking is effected solely by relative axial movement of the pipes.

REFERENCES:
patent: 3090438 (1963-05-01), Roulins
patent: 3139141 (1964-06-01), Fredd et al.
patent: 3288493 (1966-11-01), Brown
patent: 3356389 (1967-12-01), Fredd
patent: 3791442 (1974-02-01), Watkins

Affiliated with

Also associated with

Rating

Device for locking and unlocking two concentric pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for locking and unlocking two concentric pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for locking and unlocking two concentric pipes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2295943