METHOD FOR OPEN EXTRACTION OF BED-LIKE DEPOSITS Russian patent published in 2005 - IPC

Abstract RU 2254476 C1

FIELD: mining industry.

SUBSTANCE: method includes serial extraction of drifts with placement of opened rocks of drifts in extracted space of previous drifts, continuous combined processes of softening, extraction and movement of rock to dump. Drifts are positioned along cut trench, extraction is performed by adjacent horizontal shavings of face area, rock of each drift is moved by throwing directly to extracted space and compacted in range by realization of kinetic energy of rock.

EFFECT: higher efficiency.

2 dwg

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RU 2 254 476 C1

Authors

Mikhajlenko G.G.

Dates

2005-06-20—Published

2003-12-16—Filed