AU5622180A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
AU5622180A
AU5622180A AU56221/80A AU5622180A AU5622180A AU 5622180 A AU5622180 A AU 5622180A AU 56221/80 A AU56221/80 A AU 56221/80A AU 5622180 A AU5622180 A AU 5622180A AU 5622180 A AU5622180 A AU 5622180A
Authority
AU
Australia
Prior art keywords
roof support
mine roof
mine
support
roof
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.)
Abandoned
Application number
AU56221/80A
Inventor
Archelaius Dawson Allen
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of AU5622180A publication Critical patent/AU5622180A/en
Abandoned 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
    • E21D23/0017—Pile type supports
    • E21D23/0021—Pile type supports comprising two walking elements
    • 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

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)
  • Bridges Or Land Bridges (AREA)
AU56221/80A 1979-03-09 1980-03-06 Mine roof support Abandoned AU5622180A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7908418 1979-03-09
GB7908418A GB2044331B (en) 1979-03-09 1979-03-09 Mine-roof supports

Publications (1)

Publication Number Publication Date
AU5622180A true AU5622180A (en) 1980-09-11

Family

ID=10503765

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56221/80A Abandoned AU5622180A (en) 1979-03-09 1980-03-06 Mine roof support

Country Status (5)

Country Link
AU (1) AU5622180A (en)
GB (1) GB2044331B (en)
IN (1) IN152972B (en)
MX (1) MX150136A (en)
ZA (1) ZA801330B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114233359B (en) * 2022-01-24 2024-03-01 中煤能源研究院有限责任公司 Roof-caving type gangue filling hydraulic support and filling method

Also Published As

Publication number Publication date
ZA801330B (en) 1981-03-25
IN152972B (en) 1984-05-12
GB2044331A (en) 1980-10-15
GB2044331B (en) 1984-05-31
MX150136A (en) 1984-03-19

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