Method and equipment for rock drilling

Details Method and equipment for rock drilling Method and equipment for rock drilling

1984-07-03

1987-02-10

Levy, Stuart S.

Boring or penetrating the earth

Processes

Boring horizontal bores

173 43, 175162, E21C 1100, E21D 1000

Patent

active

046417168

ABSTRACT:
A drilling equipment and a method is intended for horizontally boring rocks with a low bench height. The drilling equipment can be used as an accessory to an ordinary dredger or the like. The whole drilling equipment is arranged to turn in a plane parallel to the plane of the brackets of the dredger's boom, and the drilling machine itself together with its drill-propulsion unit is arranged to turn in a plane perpendicular to said brackets' plane. These turnings are preferentially effected by hydraulic power from the dredger.

REFERENCES:
patent: 2969844 (1961-01-01), Hamrick
patent: 3020012 (1962-02-01), Moracco et al.
patent: 3374975 (1968-03-01), Bronder
patent: 3746104 (1973-07-01), McIntosh et al.
patent: 3967686 (1976-07-01), Fogelstrom
patent: 3980142 (1976-09-01), Grigorieu et al.
patent: 3999805 (1976-12-01), Lockwood
patent: 4199033 (1980-04-01), Van Gundy, Jr.
patent: 4499953 (1985-02-01), Molin

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