PREVENTIVE CHARGE FOR ROCK BREAKING Russian patent published in 1995 - IPC

Abstract RU 2027141 C1

FIELD: mining industry. SUBSTANCE: preventive charge for rock breaking has sufficient mechanical strength, is simple to manufacture and makes it possible to control crushing of rocks and coal. It includes explosive and flame-controlling structure located in center of charge. Surface of flame-controlling structure has bigger acoustic impedance. EFFECT: enhanced operational capabilities. 4 dwg

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RU 2 027 141 C1

Authors

Tsirel' Sergej Vadimovich

Laptev Evgenij Borisovich

Dates

1995-01-20—Published

1992-07-03—Filed