Contaminated marine sediments dredging apparatus

Details Contaminated marine sediments dredging apparatus Contaminated marine sediments dredging apparatus

1995-07-21

1996-07-30

Melius, Terry Lee

Excavating

Beneath a body of water

Grab

37187, 294 6823, E02F 334, E02F 347

Patent

active

055400051

ABSTRACT:
A marine dredging device comprised of scoop buckets hinge-connected to a soil receiver chamber with deployable silt curtains. The silt curtains are deployed to close off the aperture between the scoop buckets and prevent the extrusion of soil. Introduction of pressurized air lowers the water level in the soil receiver chamber to provide a void for dredged soil.

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patent: 5199194 (1993-04-01), Scott
Cable Arm Clamshell. Advertisement attached. (1994, no month).
Proprietary clamshell dredge. Dow Environmental, Inc. p. 15, Statement of Qualifications attached. May 1992.

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