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Application filed by Криворожский Технический УниверситетfiledCriticalКриворожский Технический Университет
Priority to UAU201005327UpriorityCriticalpatent/UA53675U/en
Publication of UA53675UpublicationCriticalpatent/UA53675U/en
Method for working out ceiling includes priority working out of chamber stock under cover of ceiling with following filling of worked out chamber with dead rocks with formation under ceiling of under-console cut space, drilling of stock of ceiling with wells and its breakage with discharge of broken ore through sublevel workings. For discharge of broken ore one penetrates sublevel end workings that are lowered to dead rocks placed in worked out chamber.
UAU201005327U2010-04-302010-04-30Method for ceiling working-out
UA53675U
(en)