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Application

93038583/03, 1993-07-27

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Actual filing date

1993-07-27

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Published

1998-01-20

(72)

Inventor

Konanykhin V.A.Vasil'Kov V.K.Filippov P.A.Konanykhin A.I.Makarenko M.B.

(73)

Holder

Vostochnyj Nauchno-Issledovatel'Skij Gornorudnyj Institut

METHOD FOR DRIVING UNDERGROUND WORKING Russian patent published in 1998 - IPC

Abstract RU 2102601 C1

FIELD: mining industry. SUBSTANCE: this can be used for driving underground workings of smooth contours. According to method, driven is blind working by blasting bore-hole charges of explosive with subsequent widening of working by blasting fan-located blast-hole charges located over its perimeter at angle to blind working equal to angle of internal friction of rock mass. EFFECT: high efficiency. 5 dwg

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RU 2 102 601 C1

Authors

Konanykhin V.A.

Vasil'Kov V.K.

Filippov P.A.

Konanykhin A.I.

Makarenko M.B.

Dates

1998-01-20—Published

1993-07-27—Filed

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