GB1092304A - Roof support suitable for use in a mine - Google Patents

Roof support suitable for use in a mine

Info

Publication number
GB1092304A
GB1092304A GB471065A GB471065A GB1092304A GB 1092304 A GB1092304 A GB 1092304A GB 471065 A GB471065 A GB 471065A GB 471065 A GB471065 A GB 471065A GB 1092304 A GB1092304 A GB 1092304A
Authority
GB
United Kingdom
Prior art keywords
roof support
mine
support suitable
advancing
mine roof
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
GB471065A
Inventor
Friedrich Lampl
Kenneth Law
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.)
Dowty Mining Equipment Ltd
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
Priority to GB471065A priority Critical patent/GB1092304A/en
Publication of GB1092304A publication Critical patent/GB1092304A/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)
  • Agricultural Machines (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

1,092,304. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. April 26, 1966 [Feb. 3, 1965], No. 4710/65. Addition to 957,072. Heading E1E. In an advancing mine roof support as claimed in claim 1 of Specification 957,072, the advancing means 5 act on one end of a lever 6 which is connected to the base plate 1 by a bracket 7 and is connected to a pit prop 3 by a connection 8 arranged as shown in order to apply a tilting force to the prop.
GB471065A 1965-02-03 1965-02-03 Roof support suitable for use in a mine Expired GB1092304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB471065A GB1092304A (en) 1965-02-03 1965-02-03 Roof support suitable for use in a mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB471065A GB1092304A (en) 1965-02-03 1965-02-03 Roof support suitable for use in a mine

Publications (1)

Publication Number Publication Date
GB1092304A true GB1092304A (en) 1967-11-22

Family

ID=9782335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB471065A Expired GB1092304A (en) 1965-02-03 1965-02-03 Roof support suitable for use in a mine

Country Status (1)

Country Link
GB (1) GB1092304A (en)

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