ZA752667B - An arrangement of supporting members - Google Patents

An arrangement of supporting members

Info

Publication number
ZA752667B
ZA752667B ZA00752667A ZA752667A ZA752667B ZA 752667 B ZA752667 B ZA 752667B ZA 00752667 A ZA00752667 A ZA 00752667A ZA 752667 A ZA752667 A ZA 752667A ZA 752667 B ZA752667 B ZA 752667B
Authority
ZA
South Africa
Prior art keywords
arrangement
supporting members
members
supporting
Prior art date
Application number
ZA00752667A
Inventor
W Dahlem
Original Assignee
Rheinstahl Ag
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 Rheinstahl Ag filed Critical Rheinstahl Ag
Publication of ZA752667B publication Critical patent/ZA752667B/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
    • E21D23/0034—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
    • E21D23/0039—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 and supported by a strut or by a row of struts parallel to 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
    • E21D23/0427—Shield operating devices; Hinges therefor

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
ZA00752667A 1974-05-09 1975-04-24 An arrangement of supporting members ZA752667B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422591A DE2422591A1 (en) 1974-05-09 1974-05-09 ARRANGEMENT OF SUPPORT ELEMENTS

Publications (1)

Publication Number Publication Date
ZA752667B true ZA752667B (en) 1976-07-28

Family

ID=5915144

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752667A ZA752667B (en) 1974-05-09 1975-04-24 An arrangement of supporting members

Country Status (3)

Country Link
DE (1) DE2422591A1 (en)
GB (1) GB1477947A (en)
ZA (1) ZA752667B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2506076C2 (en) * 1975-02-13 1976-11-18 Rheinstahl Ag SHIELD REMOVAL FOR STRUTS
DE2617141C3 (en) * 1976-04-17 1984-07-05 Thyssen Industrie Ag, 4300 Essen Cap and break shield construction for a shield support frame

Also Published As

Publication number Publication date
GB1477947A (en) 1977-06-29
DE2422591A1 (en) 1975-11-13

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