Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...
Patent
1995-06-07
1997-08-26
Neuder, William P.
Boring or penetrating the earth
With above-ground means for handling drilling fluid or cutting
Fluid or cuttings directing or receiving means engaging bore...
E21B 2100
Patent
active
056602405
ABSTRACT:
A water and dust collector for the bit of a wet core drilling operation. The device comprises a dome-shaped element with a hole in its top to receive the core bit with relatively close clearance, and an annular planar bottom edge adapted to rest upon the surface being drilled, about the drilling site. The device has an outlet tube assembly near its bottom edge for connection to a wet-dry vacuum system, and at least one air inlet formed in the annular bottom surface substantially opposite the outlet tube assembly.
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Catalog 393, "Milwaukee Heavy-Duty Electric Tools for Contractors and Industry", Milwaukee Electric Tool Corporation, 13135 West Lisbon Road, Brookfield, Wisconsin 53005, p. 39.
Harms Gregory W.
Harms Keith W.
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