GB1141195A - Improvements in or relating to mine roof supporting devices - Google Patents

Improvements in or relating to mine roof supporting devices

Info

Publication number
GB1141195A
GB1141195A GB5355765A GB5355765A GB1141195A GB 1141195 A GB1141195 A GB 1141195A GB 5355765 A GB5355765 A GB 5355765A GB 5355765 A GB5355765 A GB 5355765A GB 1141195 A GB1141195 A GB 1141195A
Authority
GB
United Kingdom
Prior art keywords
mine roof
relating
supporting devices
roof supporting
roof support
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
GB5355765A
Inventor
Ronald Leievers 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 GB5355765A priority Critical patent/GB1141195A/en
Publication of GB1141195A publication Critical patent/GB1141195A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

1,141,195. Mine roof support frames. BONSER ENG. Ltd. 15 March, 1967 [15 Dec., 1965], No. 53557/65. Heading E1E. A mine roof support frame is provided with a retraction device 7, 8 which is so mounted on the .frame that it is adapted to simultaneously impart a component of force to the props to bring them into a predetermined vertical setting.
GB5355765A 1965-12-15 1965-12-15 Improvements in or relating to mine roof supporting devices Expired GB1141195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5355765A GB1141195A (en) 1965-12-15 1965-12-15 Improvements in or relating to mine roof supporting devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5355765A GB1141195A (en) 1965-12-15 1965-12-15 Improvements in or relating to mine roof supporting devices

Publications (1)

Publication Number Publication Date
GB1141195A true GB1141195A (en) 1969-01-29

Family

ID=10468224

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5355765A Expired GB1141195A (en) 1965-12-15 1965-12-15 Improvements in or relating to mine roof supporting devices

Country Status (1)

Country Link
GB (1) GB1141195A (en)

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