Mining equipment

Details Mining equipment Mining equipment

1977-11-03

1979-04-17

Pate, III, William F.

Boring or penetrating the earth

Processes

173 46, 175315, 299 13, 299 18, E21D 700

Patent

active

041496043

ABSTRACT:
A method of drilling shot firing holes in the face of a roadway or tunnel by means of a bucket loader on which is displaceably mounted a drilling mast which carries a slidable drill head, with power unit to displace the drill head with respect to the mast connected between the drill head and mast, comprises the steps of:

REFERENCES:
patent: 2993685 (1961-07-01), Russeu
patent: 3999805 (1971-12-01), Lockwood

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