Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1977-11-17
1980-10-21
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
1510404, 405154, F16L 100
Patent
active
042291216
ABSTRACT:
A tool is provided for removing concrete from underwater pipes which tool is comprised of a frame or member having two coaxially opposed concrete removal jets mounted thereon, whereby the opposing forces of the two jets cancel out the thrusting effect of one against the other to thereby provide a device which does not require massive rigid equipment to hold the jets or nozzles in place adjacent to the pipe.
REFERENCES:
patent: 293011 (1884-02-01), Hall et al.
patent: 2823398 (1958-02-01), Curran
patent: 3820184 (1974-06-01), Stone
patent: 3933519 (1976-01-01), Koch et al.
patent: 4028903 (1977-06-01), Dietrich
Johnson Kenneth H.
Taylor Dennis L.
The Sea Horse Corporation
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