Dredging suction-jet head

Details Dredging suction-jet head Dredging suction-jet head

1982-09-09

1983-11-01

Crowder, Clifford D.

Excavating

Peat excavators

37 62, E02F 388

Patent

active

044123949

ABSTRACT:
A placer stream dredging head including a relatively short section of open end pipe coaxially secured to the depending end of a boat supported gangue tube. A closed bottom cage is connected with the depending end of the pipe section. A first force pump supplied water pressure hose is connected with the upper end portion of the pipe section in a manner to induce a jet action pressure reduction for lifting gangue into the gangue tube. A second force pump supplied water pressure hose is secured to the upper end portion of the pipe section and divided for exhausting downwardly directed high velocity water streams at diametrically opposite sides of the cage.

REFERENCES:
patent: 168278 (1875-09-01), Newton
patent: 619727 (1899-02-01), Davis
patent: 669192 (1901-03-01), Whisler
patent: 811275 (1906-01-01), Cole
patent: 893743 (1908-07-01), Moore
patent: 967797 (1910-08-01), Lovett
patent: 1688109 (1928-10-01), Berry
patent: 1851565 (1932-03-01), Claytor
patent: 2125740 (1938-08-01), Schacht
patent: 2599980 (1952-06-01), Dunning
patent: 3153290 (1964-10-01), Saito

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