MX150136A - IMPROVEMENTS IN MINE ROOF SUPPORT - Google Patents

IMPROVEMENTS IN MINE ROOF SUPPORT

Info

Publication number
MX150136A
MX150136A MX181453A MX18145380A MX150136A MX 150136 A MX150136 A MX 150136A MX 181453 A MX181453 A MX 181453A MX 18145380 A MX18145380 A MX 18145380A MX 150136 A MX150136 A MX 150136A
Authority
MX
Mexico
Prior art keywords
roof support
mine roof
mine
support
roof
Prior art date
Application number
MX181453A
Other languages
Spanish (es)
Inventor
Archelaius Dawson Allen
Original Assignee
Dobson Park Ind
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 Ind filed Critical Dobson Park Ind
Publication of MX150136A publication Critical patent/MX150136A/en

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)
MX181453A 1979-03-09 1980-03-06 IMPROVEMENTS IN MINE ROOF SUPPORT MX150136A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MX150136A true MX150136A (en) 1984-03-19

Family

ID=10503765

Family Applications (1)

Application Number Title Priority Date Filing Date
MX181453A MX150136A (en) 1979-03-09 1980-03-06 IMPROVEMENTS IN 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
AU5622180A (en) 1980-09-11
GB2044331A (en) 1980-10-15
GB2044331B (en) 1984-05-31

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