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Electronic rock breaking
S African method consists of drilling rock in usual way, then charging it with cartridges containing specially compounded formula of combustible metal and chemical particles; on ignition by electronic means temperatures of from 3000-4000 C are generated in rock causing fracture; it is no longer necessary to evacuate miners from face; no noxious fumes are evolved; no damage is done to gem stones in rock.
Electronic rock breaking
S African method consists of drilling rock in usual way, then charging it with cartridges containing specially compounded formula of combustible metal and chemical particles; on ignition by electronic means temperatures of from 3000-4000 C are generated in rock causing fracture; it is no longer necessary to evacuate miners from face; no noxious fumes are evolved; no damage is done to gem stones in rock.
Electronic rock breaking
S African Min Eng J
1962
2 pages
Article (Journal)
English
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Rock breaking equipment and rock breaking method for breaking soft rock through gas expansion
| European Patent Office | 2022