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2 089 844

(13)

(51)

IPC

(21) (22)

Application

5062882/03, 1992-05-22

(22)

Actual filing date

1992-05-22

(45)

Published

1997-09-10

(72)

Inventor

Shvarts Ju.D.Frantov A.E.Shchukin Ju.G.Krokhin A.V.

(73)

Holder

Nauchno-Issledovatel'Skij Proektnyj I Konstruktorskij Institut Gornogo Dela I Metallurgii Tsvetnykh Metallov

METHOD OF BLASTING OF LOW-STABLE ORE BODIES Russian patent published in 1997 - IPC

Abstract RU 2089844 C1

FIELD: mining art, in particular, practice of mining of mineral resources by blasting. SUBSTANCE: the method consists in drilling and charging of blast holes over the entire length of the drift with their subsequent blasting by separate sections. A solution of solidifying explosive is introduced in the blast holes, and an anchor is positioned in it up to solidification of the explosive, a primed cartridge is introduced at blasting. EFFECT: facilitated procedure. 5 dwg

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RU 2 089 844 C1

Authors

Shvarts Ju.D.

Frantov A.E.

Shchukin Ju.G.

Krokhin A.V.

Dates

1997-09-10—Published

1992-05-22—Filed