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2 168 636

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Application

99110261/03, 1999-05-11

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Start date

1999-05-11

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Actual filing date

1999-05-11

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Published

2001-06-10

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Inventor

Konanykhin A.I.Doroshin A.V.Burmin G.M.Konanykhin V.A.Matveev I.F.Konjakhin V.I.Trubin L.V.Makarenko E.M.

(73)

Holder

Oao Nauchno-Issledovatel'Skij Gornorudnyj Institut"

METHOD OF MINE WORKING DRIVING Russian patent published in 2001 - IPC

Abstract RU 2168636 C2

FIELD: mining industry. SUBSTANCE: method includes drilling of compensation cavity and blast holes, filling of water into compensation cavity of conjugated blast holes in amount equaling 0.2 of its volumetric capacity, and filling of explosive charges into blast holes, and their blasting with short delay, with formation of cut cavity by direct blasting of explosive charges. Cut cavity is formed by explosive charges of conjugated blast holes, and stream of flowing water is passed compensation cavity. EFFECT: higher efficiency of works and reduced cost of mine working driving. 3 dwg

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RU 2 168 636 C2

Authors

Konanykhin A.I.

Doroshin A.V.

Burmin G.M.

Konanykhin V.A.

Matveev I.F.

Konjakhin V.I.

Trubin L.V.

Makarenko E.M.

Dates

2001-06-10—Published

1999-05-11—Filed

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