Dredge units

Details Dredge units Dredge units

1974-12-10

1976-04-13

Lutter, Frank W.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Sifting and stratifying

209458, 209485, 209488, 209500, 299 9, B03B 526

Patent

active

039502465

ABSTRACT:
A dredge unit having a buoyant support carrying a sluice box suspended beneath, a water suction system connected to an outlet end on the box and a suction hose operatively connected to an inlet end thereof. The water suction system operates to draw water and material through the suction hose and into the sluice box where material of relatively high specific gravity is contained while the remainder and the water is discharged from the system.

REFERENCES:
patent: 594041 (1897-11-01), Strong
patent: 855200 (1907-05-01), Pennick et al.
patent: 1208880 (1916-12-01), Wright et al.
patent: 1490016 (1924-04-01), Mackenzie
patent: 1973770 (1934-09-01), McCullough
patent: 1987475 (1935-01-01), Hanson
patent: 2073122 (1937-03-01), Silke
patent: 3045623 (1962-07-01), Tyler
patent: 3161438 (1964-12-01), Novak
patent: 3558043 (1971-01-01), Smith et al.

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