Barrel for rock breaking tool and method of use

Details Barrel for rock breaking tool and method of use Barrel for rock breaking tool and method of use

1988-11-28

1990-02-13

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Processes

Explosive

102313, F42D 304, E21C 3712

Patent

active

049000926

ABSTRACT:
A rock breaking method includes drilling a hole in rock, filling the hole with water, inserting a short barrel of a rock breaking tool into the hole entrance, covering the tool with a recoil restraining mat, and discharging a cartridge down the barrel.

REFERENCES:
patent: 2558924 (1951-07-01), Blake
patent: 3960082 (1976-06-01), Sloevsky et al.
patent: 4449754 (1984-05-01), Orlov et al.

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