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YU43247B - Improved mine roof reinforcement - Google Patents

Improved mine roof reinforcement

Info

Publication number
YU43247B
YU43247B YU275881A YU275881A YU43247B YU 43247 B YU43247 B YU 43247B YU 275881 A YU275881 A YU 275881A YU 275881 A YU275881 A YU 275881A YU 43247 B YU43247 B YU 43247B
Authority
YU
Yugoslavia
Prior art keywords
mine roof
roof reinforcement
improved mine
improved
reinforcement
Prior art date
Application number
YU275881A
Other versions
YU275881A (en
Inventor
C J Hobbs
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 YU275881A publication Critical patent/YU275881A/en
Publication of YU43247B publication Critical patent/YU43247B/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
    • E21D23/04—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)
YU275881A 1980-11-28 1981-11-24 Improved mine roof reinforcement YU43247B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
YU275881A YU275881A (en) 1984-02-29
YU43247B true YU43247B (en) 1989-06-30

Family

ID=10517636

Family Applications (1)

Application Number Title Priority Date Filing Date
YU275881A YU43247B (en) 1980-11-28 1981-11-24 Improved mine roof reinforcement

Country Status (3)

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

Families Citing this family (3)

* 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
DE3630579C2 (en) * 1986-09-09 1994-07-14 Westfalia Becorit Ind Tech Shield removal frame with a detachable top section between the threshold and the handlebars
HUT57378A (en) * 1987-12-08 1991-11-28 Karagandinskij Polt Institut Mechanized mining supporting unit

Also Published As

Publication number Publication date
AU7731781A (en) 1982-06-03
YU275881A (en) 1984-02-29
DE3145050A1 (en) 1982-07-01
AU540670B2 (en) 1984-11-29

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