GB1090247A - Improvements in or relating to mine roof supporting devices - Google Patents

Improvements in or relating to mine roof supporting devices

Info

Publication number
GB1090247A
GB1090247A GB2352265A GB2352265A GB1090247A GB 1090247 A GB1090247 A GB 1090247A GB 2352265 A GB2352265 A GB 2352265A GB 2352265 A GB2352265 A GB 2352265A GB 1090247 A GB1090247 A GB 1090247A
Authority
GB
United Kingdom
Prior art keywords
mine roof
relating
supporting devices
roof supporting
jack
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
GB2352265A
Inventor
Ronald Leivers Greensmith
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.)
BONSER ENGINEERING Ltd
Original Assignee
BONSER ENGINEERING 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 BONSER ENGINEERING Ltd filed Critical BONSER ENGINEERING Ltd
Priority to GB2352265A priority Critical patent/GB1090247A/en
Publication of GB1090247A publication Critical patent/GB1090247A/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
    • E21D23/0418—Positioning devices and stabilizing means for the props
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)

Abstract

1,090,247. Advancing mine roof supports. BONSER ENGINEERING Ltd. May 20, 1966 [June 2, 1965], No. 23522/65. Heading E1E. In an advancing mine roof support assembly comprising a frame 1, 2, 3, 4, 8 16 adapted to be advanced by a jack 7 connected to a conveyor 10, the jack is also connected by a link 5 to one of the props-such as 3-in order to displace the assembly from the vertical on retraction of the jack 7.
GB2352265A 1965-06-02 1965-06-02 Improvements in or relating to mine roof supporting devices Expired GB1090247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2352265A GB1090247A (en) 1965-06-02 1965-06-02 Improvements in or relating to mine roof supporting devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2352265A GB1090247A (en) 1965-06-02 1965-06-02 Improvements in or relating to mine roof supporting devices

Publications (1)

Publication Number Publication Date
GB1090247A true GB1090247A (en) 1967-11-08

Family

ID=10196997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2352265A Expired GB1090247A (en) 1965-06-02 1965-06-02 Improvements in or relating to mine roof supporting devices

Country Status (1)

Country Link
GB (1) GB1090247A (en)

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