Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1990-07-02
1992-02-18
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405158, 405163, 37 98, F16L 104
Patent
active
050888579
ABSTRACT:
Scavenging apparatus for embedding cables or the like into the soil of waters, comprising an elongated scavenging sword being adapted to be attached at different heights to an embedding vessel movable on the soil of waters or to a surface water vessel, the sword having a guide channel extending through the sword from the top to the bottom in the rear area thereof for the guidance of the cable and its depositing on the bottom of the trench scavenged free, the sword further including a water channel extending through from the top to the bottom in the front region thereof and connected to a pressurized water supply at the upper end and to a set of scavenging nozzles located at the front side of the scavenging sword, and a vibrator for the scavenging sword, the vibrator being connected to an energy source located on the vessels by energy supply lines, with the vibrator being located with the scavenging sword near the sole of the sword and the energy supply lines for the vibrator extend inside the sword.
REFERENCES:
patent: 2850815 (1958-09-01), Edwards
patent: 3338060 (1967-08-01), Harmstorf
patent: 3434297 (1969-03-01), Gretter et al.
patent: 4498813 (1985-02-01), Nelson et al.
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