METHOD FOR INCREASE OF COEFFICIENT OF USE OF PRESSURE FORCE OF DRILL MACHINE FOR DRILLING BLAST HOLES

The invention relates to technology of development of mineral beds through implementation of face rock loosening with blast for its following extraction at open-pit development. In the method for increase of coefficient of use of pressure force of drill machine for drilling blast holes that is in af...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHEVCHENKO MYKOLA IVANOVYCH, DZERZHYNSKYI VITALII OLEKSANDROVYCH, TOKAREV OLEKSII ZAKHAROVYCH, KHORUNZHYI VOLODYMYR DMYTROVYCH
Format:	Patent
Sprache:	eng ; rus ; ukr
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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