Boutade Worldwide Investments Nv

Hermanus Q Van Der Westhuizen

Thomas M Muller

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.

Barrel for rock breaking tool and method of use

The invention relates to a rock breaking tool having a barrel insertable into a pre-drilled, water-filled hole of the rock. The rock breaking tool utilizes a firing chamber to discharge a cartridge into the barrel. A blast absorbing mat is located over the tool to retain the tool in position in the hole during discharge. The invention also relates to the method of using the rock breaking tool.

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Pretoria, South Africa

Hermanus Q Van Der Westhuizen