Dredgehead having forward water-deflecting means comprising two

Details Dredgehead having forward water-deflecting means comprising two Dredgehead having forward water-deflecting means comprising two

1980-06-02

1982-03-16

Crowder, Clifford D.

Excavating

Peat excavators

37DIG8, E02F 392

Patent

active

043194141

ABSTRACT:
Apparatus to direct the flow of water passing towards and alongside of a dredgehead (of the type, for example, utilized to obtain valuable mineral ores from the ocean depths) in a downwardly direction, so as to utilize the force of the water to assist the dredgehead in loosening and removing any particulate ore nodules from the ocean floor. The flow-directing means includes two transverse elements, one extending substantially longitudinally along the length of the dredgehead and the second transversely connecting the vertical element to the dredgehead.

REFERENCES:
patent: B531753 (1976-03-01), Brockett
patent: 1070271 (1913-08-01), Lybeck
patent: 3171219 (1965-03-01), Kaufmann et al.
patent: 3253357 (1966-05-01), Allard
patent: 4171581 (1979-10-01), Donaldson et al.

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