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2 087 716

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IPC

(21) (22)

Application

95108073/03, 1995-05-24

(22)

Actual filing date

1995-05-24

(45)

Published

1997-08-20

(72)

Inventor

(73)

Holder

Ural'Skij Gosudarstvennyj Ehkonomicheskij UniversitetGajskij Gorno-Obogatitel'Nyj Kombinat

METHOD OF MINERAL EXTRACTION FROM FLANKS OF OPENCAST Russian patent published in 1997 - IPC

Abstract RU 2087716 C1

FIELD: mining industry; applicable in mineral opencast mining. SUBSTANCE: crossover is formed in zone of adjoining of the working to opencast flank on working transportation side, and the other sides of working are formed without haulage berms. Analytical relationships for determination of height of haulage side and boundaries of mining operations are offered in the invention description. EFFECT: higher efficiency. 4 dwg

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RU 2 087 716 C1

Authors

Dates

1997-08-20—Published

1995-05-24—Filed

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