FÖRFARANDE FÖR SPRÄCKNING AV EN STEN

Patentradars sammanfattning

The invention provides a simplified rock or boulder splitting procedure in which a pyrotechnic cartridge carrying a nitrocellulose powder charge and a mechanical impact ignition assembly is propelled—by compressed air, hydraulics, or spring force—into a blind borehole with the igniter leading. Upon collision of the striker unit with the hole bottom, the striker drives into a primer cap which ignites the propellant, fracturing the rock. An optional tapered material-distribution device on the rear of the cartridge spreads blocking granules laterally to seal the borehole mouth and contain the explosion energy. The system is designed for remote-controlled vehicle integration, enhancing operator safety.

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