AU2287667A - Improvements relating to roof supporting systems for mine workings - Google Patents

Improvements relating to roof supporting systems for mine workings

Info

Publication number
AU2287667A
AU2287667A AU22876/67A AU2287667A AU2287667A AU 2287667 A AU2287667 A AU 2287667A AU 22876/67 A AU22876/67 A AU 22876/67A AU 2287667 A AU2287667 A AU 2287667A AU 2287667 A AU2287667 A AU 2287667A
Authority
AU
Australia
Prior art keywords
improvements relating
roof supporting
mine workings
supporting systems
systems
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
AU22876/67A
Other versions
AU432165B2 (en
Inventor
Maria Groetschel Karl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU22876/67A priority Critical patent/AU432165B2/en
Publication of AU2287667A publication Critical patent/AU2287667A/en
Application granted granted Critical
Publication of AU432165B2 publication Critical patent/AU432165B2/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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0017—Pile type supports
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
AU22876/67A 1967-06-07 1967-06-07 Improvements relating to roof supporting systems for mine workings Expired AU432165B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22876/67A AU432165B2 (en) 1967-06-07 1967-06-07 Improvements relating to roof supporting systems for mine workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU22876/67A AU432165B2 (en) 1967-06-07 1967-06-07 Improvements relating to roof supporting systems for mine workings

Publications (2)

Publication Number Publication Date
AU2287667A true AU2287667A (en) 1968-12-12
AU432165B2 AU432165B2 (en) 1973-01-30

Family

ID=3712025

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22876/67A Expired AU432165B2 (en) 1967-06-07 1967-06-07 Improvements relating to roof supporting systems for mine workings

Country Status (1)

Country Link
AU (1) AU432165B2 (en)

Also Published As

Publication number Publication date
AU432165B2 (en) 1973-01-30

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