Excavating – Peat excavators
Patent
1981-04-02
1983-10-11
Crowder, Clifford D.
Excavating
Peat excavators
405 11, E02F 500
Patent
active
044084056
ABSTRACT:
An underwater excavator comprising a modular non-metallic cofferdam wherein ater under pressure exits from a plurality of nozzles along at least one side of the base of the cofferdam and a fluid driven eductor driven by pressurized fluid evacuates the suspended solids raised by the pressurized fluid that flows through the nozzles, with a plurality of small barrier nozzles located along one or more horizontal conduits used to sink the cofferdam.
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Faccini Ernest
Hill Terry E.
Reidy John J.
Shafley William K.
Williams Harry S.
Branning A. L.
Crowder Clifford D.
LaPrade J. C.
Sciascia R. S.
The United States of America as represented by the Secretary of
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