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IPC

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Application

94045304/03, 1994-12-27

(22)

Actual filing date

1994-12-27

(45)

Published

1999-08-10

(72)

Inventor

Pokrovskij B.V.Mashukov I.V.Karapetjan Ju.M.

(73)

Holder

Vostochnyj Nauchno-Issledovatel'Skij Gornorudnyj Institut

METHOD FOR BLASTING OF ROCK MASS Russian patent published in 1999 - IPC

Abstract RU 2134402 C1

FIELD: mining industry, applicable at blasting of rock mass by deep-hole and chamber charges of explosive. SUBSTANCE: method consists in cutting of entries, multirow drilling of holes, their charging and blasting; the rows of holes are arranged between the design contours of mass sections, blasted by charges of entires; they are blasted by rows in the direction of breaking, and the entires are blasted in the last place. EFFECT: uniform and effective breaking of rock mass. 1 dwg

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RU 2 134 402 C1

Authors

Pokrovskij B.V.

Mashukov I.V.

Karapetjan Ju.M.

Dates

1999-08-10—Published

1994-12-27—Filed

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