Angular member for seismic cables towed by a vessel

Details Angular member for seismic cables towed by a vessel Angular member for seismic cables towed by a vessel

1987-02-17

1988-07-12

Peters, Jr., Joseph F.

Ships

Towing or pushing

114253, B63B 2100

Patent

active

047562684

ABSTRACT:
An angular member provided on seismic cables towed by a vessel and laterally displaced in parallel and in relation to the course of the vessel comprises a frame at least partly enclosing the cable in the area of angular deflection between an inner cable portion extending obliquely to the towing direction and the active main cable portion. The frame is formed of two frame plates secured in spaced relationship and having at the lead-in end for the cable a cable-fastening device and at the other end a pivotable ramp swingable in the plane of the frame plates. The ramp has a further fastening device for the cable. Another fastening device is pivotably connected to the frame plates for connecting thereto a wire to a paravane or the like. When towed in the water the angular member absorbs most of the forces normally exerted on the cable at the area of angular deflection.

REFERENCES:
patent: 2944507 (1960-07-01), Beal
patent: 3568623 (1971-03-01), Gustavson
patent: 4184209 (1980-01-01), Crist

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