PROCESS OF PERFORMANCE OF BLAST OPERATIONS WITH OXIDIZED SEGREGATION MATERIALS Russian patent published in 1995 - IPC

Abstract RU 2040772 C1

FIELD: blast operations. SUBSTANCE: this process includes positioning of intermediate detonator with detonating cord in borehole and loading of absorber from combustible material into borehole. After loading of absorber borehole is filled with liquid nitrogen and cured up to evaporation of nitrogen. After evaporation of liquid nitrogen borehole is poured with oxygen. EFFECT: expanded application field, reduced cost of blasting operations.

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RU 2 040 772 C1

Authors

Bass G.A.

Zharikov I.F.

Seinov N.P.

Kirillov M.A.

Dates

1995-07-25—Published

1992-12-07—Filed