Method of preparing and using a pressure actuated release mechan

Details Method of preparing and using a pressure actuated release mechan Method of preparing and using a pressure actuated release mechan

1982-07-26

1983-08-23

Combs, Ervin M.

Metal working

Method of mechanical manufacture

With testing or indicating

29414, 29415, 29421R, 405154, 405168, 405171, B23P 1700, F16L 104

Patent

active

043996019

ABSTRACT:
A pressure-actuated release mechanism is assembled using a prebuckled pipe segment as a pressure-triggering mechanism. The trigger mechanism is employed to attach buoys to an offshore structure or pipeline under construction. The attached buoys move with the structure or newly added pipe string toward the sea bottom, easing the descent. As a preselected external pressure is sensed, the buckle in the pipe segment propagates and the trigger mechanism actuates, releasing buoys from the structure or pipeline as each buoy in turn reaches the same depth or pressure.

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