Pipe joint structure

Details Pipe joint structure Pipe joint structure

1978-05-08

1980-11-04

Callaghan, Thomas F.

Pipe joints or couplings

Frangible element

285163, 285404, F16L 2700

Patent

active

042315948

ABSTRACT:
An arrangement of pipes, as in a riser line for use as in the art of shelf drilling, is shown as having a plurality of pipes connected in end-to-end fashion with a joint operatively interconnecting a pair of adjacent pipes and allowing relative pivotal movement of one of such pair of pipes with respect to the next adjacent of such pair of pipes about an axis extending transversely of that pair of pipes, the axis of pivotal movement of each joint being substantially at right angles to the axis of pivotal movement of each adjacent or succeeding spaced joint.

REFERENCES:
patent: 2590392 (1952-03-01), Feilden
patent: 3066960 (1962-12-01), Adams
patent: 3179447 (1965-04-01), Parr et al.
patent: 3523578 (1970-08-01), Nolan, Jr. et al.
patent: 3961815 (1976-06-01), Coulboy et al.

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