AU540670B2 - Mine roof support - Google Patents

Mine roof support

Info

Publication number
AU540670B2
AU540670B2 AU77317/81A AU7731781A AU540670B2 AU 540670 B2 AU540670 B2 AU 540670B2 AU 77317/81 A AU77317/81 A AU 77317/81A AU 7731781 A AU7731781 A AU 7731781A AU 540670 B2 AU540670 B2 AU 540670B2
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.)
Ceased
Application number
AU77317/81A
Other versions
AU7731781A (en
Inventor
Clifford Jack Hobbs
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Publication of AU7731781A publication Critical patent/AU7731781A/en
Application granted granted Critical
Publication of AU540670B2 publication Critical patent/AU540670B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/04—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)
  • Excavating Of Shafts Or Tunnels (AREA)
AU77317/81A 1980-11-28 1981-11-09 Mine roof support Ceased AU540670B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8038264 1980-11-28
GB8038264 1980-11-28

Publications (2)

Publication Number Publication Date
AU7731781A AU7731781A (en) 1982-06-03
AU540670B2 true AU540670B2 (en) 1984-11-29

Family

ID=10517636

Family Applications (1)

Application Number Title Priority Date Filing Date
AU77317/81A Ceased AU540670B2 (en) 1980-11-28 1981-11-09 Mine roof support

Country Status (3)

Country Link
AU (1) AU540670B2 (en)
DE (1) DE3145050A1 (en)
YU (1) YU43247B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591424B2 (en) * 1986-09-09 1989-11-30 Dbt Deutsche Bergbau-Technik Gmbh Roof supports

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306585A1 (en) * 1983-02-25 1984-09-06 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Powered support assembly
HUT57378A (en) * 1987-12-08 1991-11-28 Karagandinskij Polt Institut Mechanized mining supporting unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591424B2 (en) * 1986-09-09 1989-11-30 Dbt Deutsche Bergbau-Technik Gmbh Roof supports

Also Published As

Publication number Publication date
YU43247B (en) 1989-06-30
AU7731781A (en) 1982-06-03
YU275881A (en) 1984-02-29
DE3145050A1 (en) 1982-07-01

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