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AU511334B2 - Longwall mining apparatus - Google Patents
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AU511334B2 - Longwall mining apparatus - Google Patents

Longwall mining apparatus

Info

Publication number
AU511334B2
AU511334B2 AU28934/77A AU2893477A AU511334B2 AU 511334 B2 AU511334 B2 AU 511334B2 AU 28934/77 A AU28934/77 A AU 28934/77A AU 2893477 A AU2893477 A AU 2893477A AU 511334 B2 AU511334 B2 AU 511334B2
Authority
AU
Australia
Prior art keywords
mining apparatus
longwall mining
longwall
mining
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU28934/77A
Other versions
AU2893477A (en
Inventor
C. V Peake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vencore Services and Solutions Inc
Original Assignee
Foster Miller Inc
Foster Miller Associates Inc
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 Foster Miller Inc, Foster Miller Associates Inc filed Critical Foster Miller Inc
Priority to AU28934/77A priority Critical patent/AU511334B2/en
Publication of AU2893477A publication Critical patent/AU2893477A/en
Application granted granted Critical
Publication of AU511334B2 publication Critical patent/AU511334B2/en
Expired legal-status Critical Current

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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member

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)
AU28934/77A 1977-09-20 1977-09-20 Longwall mining apparatus Expired AU511334B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28934/77A AU511334B2 (en) 1977-09-20 1977-09-20 Longwall mining apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU28934/77A AU511334B2 (en) 1977-09-20 1977-09-20 Longwall mining apparatus

Publications (2)

Publication Number Publication Date
AU2893477A AU2893477A (en) 1979-03-29
AU511334B2 true AU511334B2 (en) 1980-08-14

Family

ID=3717071

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28934/77A Expired AU511334B2 (en) 1977-09-20 1977-09-20 Longwall mining apparatus

Country Status (1)

Country Link
AU (1) AU511334B2 (en)

Also Published As

Publication number Publication date
AU2893477A (en) 1979-03-29

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