Excavating – Peat excavators
Patent
1979-01-24
1981-04-14
Crowder, Clifford D.
Excavating
Peat excavators
406154, 406161, 239455, E02F 388
Patent
active
042611172
ABSTRACT:
A dredging vessel, specifically intended for the dredging of rivers or similar water courses, equipped with propulsion means allowing the vessel to move independently through the water; an adjustable suction line, with suction head, connected to the suction side of a pump installed in the vessel; and a discharge pipe, connected to the delivery side of the pump, rotatable about an approximately vertical axis and terminating in a nozzle with adjustable passage opening.
REFERENCES:
patent: 576250 (1897-02-01), Bates
patent: 808800 (1906-01-01), Wright
patent: 935745 (1909-10-01), Dodge
patent: 1420543 (1922-06-01), Hahn
patent: 2926437 (1960-03-01), Ellicott, Jr.
patent: 2927424 (1960-03-01), Hyde
patent: 2963801 (1960-12-01), Ellicott, Jr.
patent: 3352035 (1967-11-01), Joyce
patent: 4026049 (1977-05-01), Johnson
"Converted Tanker Opens Channel", Construction Methods and Equipment, Mar. 1960, pp. 171, 172, 174.
Crowder Clifford D.
DHV Raadgevend Ingenieursbureau BV
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