Helical apparatus for coupling submerged pipes

Details Helical apparatus for coupling submerged pipes Helical apparatus for coupling submerged pipes

1979-10-24

1981-07-21

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With pivotal connection between work deck and base

166346, 405169, 405171, E02B 1700, F16L 104

Patent

active

042795443

ABSTRACT:
Connecting means for connecting the ends of at least a pair of pipes, said pipe ends being immersed in water and one of the or each pair of pipe ends being mounted on a fixed structure and connected, e.g. to an oil well, and the other of the or each pair of pipes being mounted on a movable structure, e.g. a column, mounted for oscillatory movement relative to the fixed structure, comprises in respect of the or each pair of pipes a tube of a length greater than the maximum distance between the pipe ends and in a spiral and/or helical shape, wherein the tube is supported intermediate the ends thereof solely by means for correcting the buoyancy thereof to reduce the buoyancy to substantially zero.

REFERENCES:
patent: 3346045 (1967-10-01), Knapp et al.
patent: 3353594 (1967-11-01), Lewis
patent: 3718183 (1973-02-01), Scott
patent: 3756293 (1973-09-01), Adler
patent: 3911688 (1975-10-01), Behar et al.
patent: 3913668 (1975-10-01), Todd et al.
patent: 4067202 (1978-01-01), Reed
patent: 4075862 (1978-02-01), Ames

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