AU2078467A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
AU2078467A
AU2078467A AU20784/67A AU2078467A AU2078467A AU 2078467 A AU2078467 A AU 2078467A AU 20784/67 A AU20784/67 A AU 20784/67A AU 2078467 A AU2078467 A AU 2078467A AU 2078467 A AU2078467 A AU 2078467A
Authority
AU
Australia
Prior art keywords
improvements relating
roof supports
mine workings
workings
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
AU20784/67A
Inventor
Maria Groetschell 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 AU20784/67A priority Critical patent/AU2078467A/en
Publication of AU2078467A publication Critical patent/AU2078467A/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
    • 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

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)
AU20784/67A 1967-04-24 1967-04-24 Improvements relating to roof supports for mine workings Expired AU2078467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20784/67A AU2078467A (en) 1967-04-24 1967-04-24 Improvements relating to roof supports for mine workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU20784/67A AU2078467A (en) 1967-04-24 1967-04-24 Improvements relating to roof supports for mine workings

Publications (1)

Publication Number Publication Date
AU2078467A true AU2078467A (en) 1968-10-31

Family

ID=3710095

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20784/67A Expired AU2078467A (en) 1967-04-24 1967-04-24 Improvements relating to roof supports for mine workings

Country Status (1)

Country Link
AU (1) AU2078467A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503781A (en) * 2017-09-30 2017-12-22 辽宁鑫丰矿业（集团）有限公司 Brettis and leading support equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503781A (en) * 2017-09-30 2017-12-22 辽宁鑫丰矿业（集团）有限公司 Brettis and leading support equipment

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