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2 100 773

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(51)

IPC

(21) (22)

Application

94002569/03, 1994-01-26

(22)

Actual filing date

1994-01-26

(45)

Published

1997-12-27

(72)

Inventor

Kutuzov B.N.Buldin A.A.

(73)

Holder

Moskovskij Gosudarstvennyj Gornyj Universitet

METHOD OF CHARGING OF DESCENDING BLAST HOLES WITH HOT-FLOWING WATER-CONTAINING EXPLOSIVES Russian patent published in 1997 - IPC

Abstract RU 2100773 C1

FIELD: blasting operations in mining industry and construction with employment of hot-flowing water-containing explosives in rocks of any degree of water content, containing inclusions of sulfides. SUBSTANCE: prior to placement of hot-flowing water-containing explosive in the blast hole, the blast hole face is filled with a layer of granulated material that is inert with respect to hot-flowing water-containing explosive. Natural quartz sand is preferable for use as granulated material. EFFECT: facilitated procedure. 2 cl

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RU 2 100 773 C1

Authors

Kutuzov B.N.

Buldin A.A.

Dates

1997-12-27—Published

1994-01-26—Filed

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