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GB932213A - Hydraulic roof support framework comprising interchangeable props for use in mines - Google Patents

Hydraulic roof support framework comprising interchangeable props for use in mines

Info

Publication number
GB932213A
GB932213A GB729760A GB729760A GB932213A GB 932213 A GB932213 A GB 932213A GB 729760 A GB729760 A GB 729760A GB 729760 A GB729760 A GB 729760A GB 932213 A GB932213 A GB 932213A
Authority
GB
United Kingdom
Prior art keywords
props
support framework
roof support
mines
interchangeable
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
GB729760A
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.)
GEWERKSAHAFT EISENHUTTE WESTFA
Original Assignee
GEWERKSAHAFT EISENHUTTE WESTFA
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 GEWERKSAHAFT EISENHUTTE WESTFA filed Critical GEWERKSAHAFT EISENHUTTE WESTFA
Publication of GB932213A publication Critical patent/GB932213A/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
    • E21D23/04—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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

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)
  • Tents Or Canopies (AREA)

Abstract

932,213. Mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. March 1, 1960 [March 9, 1959], No. 7297/60. Class 20 (2). A frame unit of an advancing mine roof support framework comprises two hydraulic props 1, 2 which are releasably secured by bolted plates 6, 7 to trough-shaped shoes 4 interconnected by a resilient floor bar 9. The props 1, 2 may likewise be connected to a roof bar and the shoes employed may be circular. The member 6 has straps pivoted thereto for interconnecting frame units together.
GB729760A 1959-03-09 1960-03-01 Hydraulic roof support framework comprising interchangeable props for use in mines Expired GB932213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0026588 1959-03-09

Publications (1)

Publication Number Publication Date
GB932213A true GB932213A (en) 1963-07-24

Family

ID=7122976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB729760A Expired GB932213A (en) 1959-03-09 1960-03-01 Hydraulic roof support framework comprising interchangeable props for use in mines

Country Status (2)

Country Link
BE (1) BE588401A (en)
GB (1) GB932213A (en)

Also Published As

Publication number Publication date
BE588401A (en) 1960-09-08

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