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Application

93008216/03, 1993-02-12

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Actual filing date

1993-02-12

(45)

Published

1997-09-27

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Inventor

Atrushkevich A.A.Mikheev O.V.Petrov A.I.Odinokov B.P.Atrushkevich V.A.Reznichenko A.A.Gordienko V.N.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Dobychi Uglja Gidravlicheskim Sposobom

METHOD OF MINING OF MINERAL UPPER HORIZONS Russian patent published in 1997 - IPC

Abstract RU 2091583 C1

FIELD: mining. SUBSTANCE: deposit upper horizons are stripped by cone-shaped pit with bench-like flanks across the strike with subsequent downward mining of upper horizons of bed by levels from boundary of opencast field to pit from underground workings driven from pit flanks along the strike with interval between them to the bed dip determined by value of zone of effect of working members of extracting machines, for instance, by effective range of giant jet. EFFECT: higher efficiency. 3 dwg

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RU 2 091 583 C1

Authors

Atrushkevich A.A.

Mikheev O.V.

Petrov A.I.

Odinokov B.P.

Atrushkevich V.A.

Reznichenko A.A.

Gordienko V.N.

Dates

1997-09-27—Published

1993-02-12—Filed

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