Continuous laying of pipes of large diameters

Details Continuous laying of pipes of large diameters Continuous laying of pipes of large diameters

B - Operations, Transporting

66

C

212/34, 61/4.6

B66C 23/72 (2006.01) B66C 23/74 (2006.01) E21B 19/15 (2006.01) F16L 1/036 (2006.01)

Patent

CA 1053919

A B S T R A C T 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 mova- ble-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.

277418

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