Device for sucking up solid materials or objects

Details Device for sucking up solid materials or objects Device for sucking up solid materials or objects

1979-08-21

1981-03-24

Rowland, James L.

Conveyors: fluid current

With adjunctive substance added

Solid

37 58, 37DIG8, E02F 388

Patent

active

042577233

ABSTRACT:
A device for sucking up solid objects, such as manganese modules, from the sea bed having a suction tube within which the density of the water is reduced by feeding in to said tube form-retaining light objects by means of a vertical supply conduit filled with air under high pressure through which the light objects fall down to enter the suction tube through a water slot, the said supply conduit being connected at its lower and upper end to an air filled return conduit to form a closed circuit, mechanism being provided to generate a downward flow of air in said supply conduit.

REFERENCES:
patent: 2857873 (1958-10-01), Norelli et al.
patent: 3815267 (1974-06-01), Laarman
patent: 3971593 (1976-07-01), Porte et al.
patent: 4030216 (1977-06-01), Willums
patent: 4053181 (1977-10-01), Saito

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