Suction dredge

Details Suction dredge Suction dredge

1998-04-28

2000-09-05

Shackelford, H.

Excavating

Self-loading vehicle

Having endless digger or conveyor

37321, 37324, E02F 392

Patent

active

061124397

ABSTRACT:
A suction dredge for the planned taking up of suction material, particularly for excavating soil from underground pipes, has a pneumatic suction hose for taking up the suction material and at whose lower end is provided a suction stub. At its opposite, upper end the suction hose issues into a collecting tank. To simplify the handling of the suction stub, it is provided with a guide body fitted to the suction hose and a suction nozzle axially movable relative thereto and which by means of a drive mechanism can be retracted into and extended from the guide body. As a result the stroke frequency of the suction nozzle and/or its stroke length and/or the impact energy on the soil can be adjusted.

REFERENCES:
patent: 3307278 (1967-03-01), Bodine, Jr.
patent: 3585739 (1971-06-01), De Koning
patent: 3930324 (1976-01-01), Wightman et al.
patent: 4624066 (1986-11-01), Heuvelman
patent: 4776731 (1988-10-01), Briggs et al.
patent: 4936031 (1990-06-01), Briggs et al.
patent: 5195852 (1993-03-01), Malugani et al.
patent: 5408766 (1995-04-01), Pobihushchy
patent: 5425188 (1995-06-01), Rinker
patent: 5487229 (1996-01-01), Nathenson et al.
patent: 5791073 (1998-08-01), Palmer

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