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

1996-09-13

1998-09-08

Tsay, Frank

Mining or in situ disintegration of hard material

Processes

Explosive

299 16, E21C 3714

Patent

active

058035516

ABSTRACT:
A non-explosive rock breaking method is disclosed. 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 system. The propellant cartridge contains a propellant and means for igniting the propellant. Finally, the propellant cartridge is forced through the charging system and into the hole to ignite the propellant. A cartridge and apparatus for performing the method are also disclosed.

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