Excavating – Beneath a body of water – Suction
Patent
1997-05-29
1999-05-11
Will, Thomas B.
Excavating
Beneath a body of water
Suction
E02F3/88
Patent
active
059014784
ABSTRACT:
The present invention is a high velocity pneumatic and water device for excavating a work area. The device comprises a "T" shaped tubular body that is connected to an external source of high velocity air and water mix. At the top end of the device exists a valve and regulator assembly for individually adjustably controlling the amount of air and water which is delivered to the ports of three separate manifolds contained within the device. Through this adjustable control the device can deliver varying amounts of motive force to a surface and thereby be used to excavate a wide range of materials.
REFERENCES:
patent: 2262943 (1941-11-01), Kalbaugh
patent: 2413561 (1946-12-01), Hehr
patent: 2599980 (1952-06-01), Dunning
patent: 2960368 (1960-11-01), Watanabe
patent: 4991321 (1991-02-01), Artzberger
patent: 5212891 (1993-05-01), Schuermann et al.
Pezzuto Robert
Will Thomas B.
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