METHOD FOR BREAKAGE OF HARD MATERIALS Russian patent published in 1995 - IPC

Abstract RU 2026986 C1

FIELD: coal and mining industry. SUBSTANCE: method for breakage of hard materials includes drilling blasthole in hard material, filling the blasthole with water, placing on blasthole mouth of vessel with water and explosive charge, and blasting. EFFECT: higher efficiency. 2 cl, 2 dwg

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RU 2 026 986 C1

Authors

Shpunt Vladimir Isaevich

Dates

1995-01-20—Published

1992-03-09—Filed