Extrusion dredging apparatus

Details Extrusion dredging apparatus Extrusion dredging apparatus

1995-08-22

1996-10-08

Melius, Terry Lee

Excavating

Beneath a body of water

Suction

37341, E02F 392

Patent

active

055619223

ABSTRACT:
A marine dredging device comprised of scoop buckets pivotally connected to a reciprocating mechanism that extrudes soil into a receiver chamber and thence to upwardly extending soil transport tubes. Powered helices in the transport tubes serve to propel soil upwards to a discharge chute. Deployable silt curtains serve to close off the aperture between the scoop buckets and prevent the escape of sediments.

REFERENCES:
patent: 2029858 (1936-02-01), Couch
patent: 3748760 (1973-07-01), Suhnell
patent: 4574501 (1986-03-01), Sloan
patent: 4631844 (1986-12-01), Deal
Cable Arm Clamshell. 1994.
Proprietary clamshell dredge. Dow Environmental, Inc. p. 15, (No date).

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