METHOD OF PRODUCTION OF STONE BLOCKS AT STONE QUARRIES Russian patent published in 1995 - IPC

Abstract RU 2047083 C1

FIELD: mining. SUBSTANCE: outline holes are drilled in rock mass, loaded with explosive charges that are placed in the axis of symmetry of the blast-hole and fixed in such a position. Then damping material is placed between the blast-hole wall and charge; synthetic resin is used as damping material. After that explosive charges are blasted. EFFECT: facilitated procedure. 1 dwg

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RU 2 047 083 C1

Authors

Balbachan I.P.

Dates

1995-10-27—Published

1991-06-27—Filed