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Application filed by Віктор Вікторович Назимко, Виктор Викторович НазимкоfiledCriticalВіктор Вікторович Назимко
Priority to UA98010326ApriorityCriticalpatent/UA30194A/en
Publication of UA30194ApublicationCriticalpatent/UA30194A/en
The invention relates to mining. The invention includes blast hole drilling, fixation of anchor in the blast hole and installation of draw nut at section of anchor going to the cavity of the working. The anchor is placed to blast hole not completely, at that the section between the mouth of the blast hole and the draw nut going to the cavity of the working is 0.01-0.5 of total length of the anchor.
UA98010326A1998-01-211998-01-21Method for rock anchor installation
UA30194A
(en)
Dust collector for use in building underground tunnels and in underground mining as well as method of operating mining machinery used in building underground tunnels and underground mining at high temperatures