METHOD FOR MECHANIZED CHARGING OF FLOODED DEEP-HOLES WITH FLUID EXPLOSIVES Russian patent published in 1999 - IPC

Abstract RU 2140621 C1

FIELD: mining art, applicable for formation of deep-hole charges at blasting operations on surface minings. SUBSTANCE: at an approach of the upper level of the charge column to the elevation of the intermediate detonator the charge hose is lifted above the intermediate detonator, explosive is fed to the deep-hole without lifting of the charge hose, and at an entry of the hose is continued at a rate of deep-hole filling. EFFECT: enhanced reliability of fixing of detonating cord to intermediate detonators in the column of deep-hole charge.

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RU 2 140 621 C1

Authors

Shemenev V.G.

Vetluzhskikh V.P.

Ushakov V.N.

Dresvjannikov A.P.

Andreev A.S.

Dates

1999-10-27Published

1997-07-08Filed