Continuous laying of pipes of large diameter

Details Continuous laying of pipes of large diameter Continuous laying of pipes of large diameter

1977-04-20

1978-08-22

Sheridan, Robert G.

Traversing hoists

Overhead

Cable

212 8B, 214142, 214152, B66C 2372

Patent

active

041083172

ABSTRACT:
A method of and apparatus for the continuous laying of pipe utilizing a plurality of counterbalanced pipe-laying vehicles wherein each pipe-laying vehicle has a movable-arm lifting crane for maneuvering pipe and a movable-arm balancing crane to effect counterbalancing during pipe-laying operation. The lifting arm and the balancing arm are supported on opposite sides of the pipe-laying vehicle such that the lifting arm may be attached to a pipe and the balancing arm may be attached to a counterweight. A second self-propelled vehicle is positioned adjacent to each pipe-laying vehicle such that the movable-arm balancing crane can be attached thereto so that the attached vehicle functions as a counterweight for the pipe-laying vehicle during pipe-laying operation.

REFERENCES:
patent: 3501021 (1970-03-01), Schreier
patent: 3955684 (1976-05-01), Novotny

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