AT274711B - Method for operating a mobile hydraulic longwall construction for underground mining operations and device for carrying out this method - Google Patents

Method for operating a mobile hydraulic longwall construction for underground mining operations and device for carrying out this method

Info

Publication number
AT274711B
AT274711B AT1030466A AT1030466A AT274711B AT 274711 B AT274711 B AT 274711B AT 1030466 A AT1030466 A AT 1030466A AT 1030466 A AT1030466 A AT 1030466A AT 274711 B AT274711 B AT 274711B
Authority
AT
Austria
Prior art keywords
carrying
operating
underground mining
mining operations
mobile hydraulic
Prior art date
Application number
AT1030466A
Other languages
German (de)
Original Assignee
Becorit Grubenausbau Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Becorit Grubenausbau Gmbh filed Critical Becorit Grubenausbau Gmbh
Application granted granted Critical
Publication of AT274711B publication Critical patent/AT274711B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Framework For Endless Conveyors (AREA)
AT1030466A 1965-12-22 1966-11-07 Method for operating a mobile hydraulic longwall construction for underground mining operations and device for carrying out this method AT274711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0085095 1965-12-22

Publications (1)

Publication Number Publication Date
AT274711B true AT274711B (en) 1969-09-25

Family

ID=6982747

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1030466A AT274711B (en) 1965-12-22 1966-11-07 Method for operating a mobile hydraulic longwall construction for underground mining operations and device for carrying out this method

Country Status (4)

Country Link
US (1) US3395616A (en)
AT (1) AT274711B (en)
FR (1) FR1505297A (en)
GB (1) GB1108710A (en)

Also Published As

Publication number Publication date
FR1505297A (en) 1967-12-08
US3395616A (en) 1968-08-06
GB1108710A (en) 1968-04-03

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