Excavating – Peat excavators
Patent
1974-10-15
1976-08-24
Crowder, Clifford D.
Excavating
Peat excavators
37 63, 37195, 299 9, 302 15, E02F 388
Patent
active
039758427
ABSTRACT:
Dredging or suction of a soil suspension from the sea bottom is effected through a suction conduit connected with a suction head enclosure resting on the sea bottom, there concurrently being supplied to the suction head enclosure and through a separate conduit connected therewith a transport fluid under pressure. Transport fluid is separated from the soil suspension collected at the surface and recycled to the suction head enclosure. Thus the transport fluid flows in a substantially closed recirculating flow course and consequently pollution of the sea is lessened.
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Bos Kalis Westminster Group N.V.
Crowder Clifford D.
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