Laying tool for laying of submarine cables into a sea-bottom

Details Laying tool for laying of submarine cables into a sea-bottom Laying tool for laying of submarine cables into a sea-bottom

H - Electricity

02

G

61/5.5

H02G 9/02 (2006.01) E02F 5/10 (2006.01) H02G 1/10 (2006.01)

Patent

CA 1056608

ABSTRACT OF THE DISCLOSURE Laying tool for laying of submarine cable in a sea- bottom trench. The tool consisting of a drag unit and a pulling tube joined by means of a cardanic suspension and to be drawn by a vessel may be used for the most variable sea and bottom conditions. The cable is laid out from the vessel through the pulling tube, a channel in the drag unit, and, finally, into a sea-bottom trench turned up by a ploughing means on the drag unit. This unit is constructed so that the cable is forced down onto the bottom of the trench even if the unit is not operating in a proper position due to a rough sea-bottom. Moreover, the drag unit is constructed so that all material turned up from the sea-bottom is pushed aside from the trench and the ploughing means. The laying tool may also be provided with floating tanks adjusted so that the drag unit without cable will float but with cable it will sink. The tanks may be filled with both water and air to facilitate submergence and refloating of the drag unit.

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