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2 081 317

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(51)

IPC

(21) (22)

Application

5066162/03, 1992-06-16

(22)

Actual filing date

1992-06-16

(45)

Published

1997-06-10

(72)

Inventor

Gorshkov I.V.

(73)

Holder

Makeevskij Nauchno-Issledovatel'Skij Institut Po Bezopasnosti Rabot V Gornoj Promyshlennosti

METHOD FOR MINING STEEP COAL SEAMS Russian patent published in 1997 - IPC

Abstract RU 2081317 C1

FIELD: coal mining industry. SUBSTANCE: according to method, line of stope is formed along seam dipping. Installed at side of worked-out space are coal catching troughs. As stope is advancing along seam dipping, mounted on troughs are guarding made up of pneumatically operated cribs. Guarding creates coal accumulating receptacles where mined coal is stored. When air pressure is released from lower pneumatically operated cribs, mined coal is transported along coal catching troughs. EFFECT: high efficiency. 1 dwg

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RU 2 081 317 C1

Authors

Gorshkov I.V.

Dates

1997-06-10—Published

1992-06-16—Filed