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2 023 156

(13)

C1

(51)

IPC

(21) (22)

Application

5036558/03, 1991-07-08

(22)

Actual filing date

1991-07-08

(45)

Published

1994-11-15

(72)

Inventor

Igbaev Tasbulat Mombolovich[Kz]

(73)

Holder

Kazakhskij Politekhnicheskij Institut

DESIGN OF DEEP-HOLE CHARGE Russian patent published in 1994 - IPC

Abstract RU 2023156 C1

FIELD: blasting operation for breakage of hard rocks difficulty to cave by employment of the energy of blast of deep-hole and blasthole charges in underground and opencast mineral mining, construction of roads and structures. SUBSTANCE: deep-hole charge contains explosives in form of bulky hollow figures spaced in height. Each figure has concentrator and switch, and live primer installed on one side of explosive. EFFECT: improved design. 2 cl, 2 dwg

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RU 2 023 156 C1

Authors

Igbaev Tasbulat Mombolovich[Kz]

Dates

1994-11-15—Published

1991-07-08—Filed

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