Pipeline breakaway protection mechanism

Details Pipeline breakaway protection mechanism Pipeline breakaway protection mechanism

1992-01-27

1993-12-14

Reese, Randolph A.

Pipe joints or couplings

Safety release

With frangible or deformable element

285 1, 248548, 248 62, 294264, 29414, F16L 5700

Patent

active

052695654

ABSTRACT:
A pipeline breakaway mechanism is provided which includes an elbow in a pipeline and two clamps holding the pipeline to a structure such as a platform or another pipeline. When a strong pull is exerted on the pipeline, the pipeline is bent until it buckles around the first clamp; the first clamp then fails at a preset load, causing the pipe to bend around the second clamp and causing the previously formed buckle to straighten. This buckling and straightening of pipe causes the pipe wall to fracture at a load much smaller than its tensile strength.

REFERENCES:
patent: 2439067 (1948-04-01), Wood
patent: 3219119 (1965-11-01), Matthews, Jr.
patent: 3498374 (1970-03-01), Drouin
patent: 3744505 (1973-07-01), Huvey et al.
patent: 3870350 (1975-03-01), Loncaric
patent: 3955599 (1976-05-01), Walker
patent: 4116015 (1978-09-01), Duncan
patent: 4295484 (1981-10-01), Meisenheimer, Jr.
patent: 4301989 (1981-11-01), Kallenbach
patent: 4351351 (1982-09-01), Flory et al.
patent: 4617975 (1986-10-01), Rabushka et al.

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