Method apparatus and cartridge for non-explosive rock fragmentat

Details Method apparatus and cartridge for non-explosive rock fragmentat Method apparatus and cartridge for non-explosive rock fragmentat

1995-09-15

1997-03-18

Tsay, Frank

Mining or in situ disintegration of hard material

Processes

Explosive

299 16, E21C 3714

Patent

active

056116055

ABSTRACT:
A non-explosive rock breaking method. The method is accomplished by first drilling a hole into a rock. A charging system is then positioned adjacent the hole and a propellant cartridge is inserted within the charging hosing. The propellant cartridge contains a propellant and means for igniting the propellant. Finally, the propellant cartridge is forced through the charging hose and into the hole to ignite the propellant. A cartridge and apparatus for performing the method are also disclosed.

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