AU417348B2 - Improvements in and relating to mine roof supports - Google Patents

Improvements in and relating to mine roof supports

Info

Publication number
AU417348B2
AU417348B2 AU20751/67A AU2075167A AU417348B2 AU 417348 B2 AU417348 B2 AU 417348B2 AU 20751/67 A AU20751/67 A AU 20751/67A AU 2075167 A AU2075167 A AU 2075167A AU 417348 B2 AU417348 B2 AU 417348B2
Authority
AU
Australia
Prior art keywords
relating
mine roof
roof supports
supports
mine
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
AU20751/67A
Other versions
AU2075167A (en
Inventor
Shuttleworth Peter
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co Ltd
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 Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority to AU20751/67A priority Critical patent/AU417348B2/en
Publication of AU2075167A publication Critical patent/AU2075167A/en
Application granted granted Critical
Publication of AU417348B2 publication Critical patent/AU417348B2/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • 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
    • E21D23/0043—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 and supported by two or more rows of struts parallel to the working face

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)
AU20751/67A 1967-04-24 1967-04-24 Improvements in and relating to mine roof supports Expired AU417348B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20751/67A AU417348B2 (en) 1967-04-24 1967-04-24 Improvements in and relating to mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU20751/67A AU417348B2 (en) 1967-04-24 1967-04-24 Improvements in and relating to mine roof supports

Publications (2)

Publication Number Publication Date
AU2075167A AU2075167A (en) 1968-10-31
AU417348B2 true AU417348B2 (en) 1971-09-17

Family

ID=3710047

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20751/67A Expired AU417348B2 (en) 1967-04-24 1967-04-24 Improvements in and relating to mine roof supports

Country Status (1)

Country Link
AU (1) AU417348B2 (en)

Also Published As

Publication number Publication date
AU2075167A (en) 1968-10-31

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