Cable detensioning apparatus

Details Cable detensioning apparatus Cable detensioning apparatus

1980-01-23

1982-03-09

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

By means advancing along terrain and guiding pipe or cable...

405178, F16L 102, F16L 322

Patent

active

043186386

ABSTRACT:
A buried cable laying apparatus to lay a cable in an open trench in the ground in a relaxed or tension-free state. The apparatus progressively forms a trench and then buries detensioning line and a cable in the trench. The detensioning line is in tension and the cable is in a relaxed state. The detensioning line and the cable are both unreeled from drums moving at the same rotational speed. The drum of the detensioning line is of a smaller diameter than the drum of the cable whereby the detensioning line drum will feed more cable than is required but slip relative to the cable until the cable gets tight.

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patent: 3802210 (1974-04-01), D'Andrea
patent: 3822834 (1974-07-01), Fjarlie
patent: 3851489 (1974-12-01), Richardson
patent: 3941324 (1976-03-01), Green

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