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AU457554B2 - An advancible roof support for a mine - Google Patents
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AU457554B2 - An advancible roof support for a mine - Google Patents

An advancible roof support for a mine

Info

Publication number
AU457554B2
AU457554B2 AU53524/73A AU5352473A AU457554B2 AU 457554 B2 AU457554 B2 AU 457554B2 AU 53524/73 A AU53524/73 A AU 53524/73A AU 5352473 A AU5352473 A AU 5352473A AU 457554 B2 AU457554 B2 AU 457554B2
Authority
AU
Australia
Prior art keywords
advancible
mine
roof support
roof
support
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
AU53524/73A
Other versions
AU5352473A (en
Inventor
SHIGEO NAKAJIMA Mr.
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.)
Taiheiyo Coal Mining Co Ltd
Original Assignee
Taiheiyo Coal Mining 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 Taiheiyo Coal Mining Co Ltd filed Critical Taiheiyo Coal Mining Co Ltd
Priority to AU53524/73A priority Critical patent/AU457554B2/en
Publication of AU5352473A publication Critical patent/AU5352473A/en
Application granted granted Critical
Publication of AU457554B2 publication Critical patent/AU457554B2/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
    • E21D23/0004—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
    • 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
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
    • 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)
AU53524/73A 1973-03-20 1973-03-20 An advancible roof support for a mine Expired AU457554B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU53524/73A AU457554B2 (en) 1973-03-20 1973-03-20 An advancible roof support for a mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU53524/73A AU457554B2 (en) 1973-03-20 1973-03-20 An advancible roof support for a mine

Publications (2)

Publication Number Publication Date
AU5352473A AU5352473A (en) 1974-09-26
AU457554B2 true AU457554B2 (en) 1975-01-16

Family

ID=3739528

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53524/73A Expired AU457554B2 (en) 1973-03-20 1973-03-20 An advancible roof support for a mine

Country Status (1)

Country Link
AU (1) AU457554B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112302698B (en) * 2020-10-28 2022-08-12 贵州理工学院 A folding hydraulic roadway support device for easy handling
CN119860254B (en) * 2025-02-25 2025-09-23 山东科技大学 Electric bracket capable of steplessly regulating expansion ratio for coal mine

Also Published As

Publication number Publication date
AU5352473A (en) 1974-09-26

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