GB892179A - Improvements in or relating to hydraulically actuated self advancing roof props - Google Patents

Improvements in or relating to hydraulically actuated self advancing roof props

Info

Publication number
GB892179A
GB892179A GB1220/61A GB122061A GB892179A GB 892179 A GB892179 A GB 892179A GB 1220/61 A GB1220/61 A GB 1220/61A GB 122061 A GB122061 A GB 122061A GB 892179 A GB892179 A GB 892179A
Authority
GB
United Kingdom
Prior art keywords
props
relating
hydraulically actuated
actuated self
advancing 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
GB1220/61A
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.)
Hoesch Bergbautechnik GmbH
Original Assignee
Hoesch Bergbautechnik GmbH
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 Hoesch Bergbautechnik GmbH filed Critical Hoesch Bergbautechnik GmbH
Publication of GB892179A publication Critical patent/GB892179A/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)
  • Pinball Game Machines (AREA)

Abstract

892,179. Mineral - mining equipment. HOESCH - BERGBAUTECHNIK G.m.b.H. Jan 11, 1961 [Jan 20, 1960], No. 1220/61. Class 68(1). In a system of mineral-mining equipment in which a winning machine is guided along a face on a guide rail that is, advanced as winning occurs simultaneously with and by associated roof props, the rail is formed by a series of telescopic units 12, each unit at one end being pivotally connected at 11 to one of a pair of mutually advancing props 3, 4 and at the other end to the corresponding prop of the next pair of mutually advancing props 5, 6.
GB1220/61A 1960-01-20 1961-01-11 Improvements in or relating to hydraulically actuated self advancing roof props Expired GB892179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE892179X 1960-01-20

Publications (1)

Publication Number Publication Date
GB892179A true GB892179A (en) 1962-03-21

Family

ID=6846236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1220/61A Expired GB892179A (en) 1960-01-20 1961-01-11 Improvements in or relating to hydraulically actuated self advancing roof props

Country Status (1)

Country Link
GB (1) GB892179A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812681A (en) * 1971-07-16 1974-05-28 Gullick Dobson Ltd Mine roof supports
EP0042479A1 (en) * 1980-06-19 1981-12-30 Centrum Mechanizacji Gornictwa "Komag" Goaf screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812681A (en) * 1971-07-16 1974-05-28 Gullick Dobson Ltd Mine roof supports
EP0042479A1 (en) * 1980-06-19 1981-12-30 Centrum Mechanizacji Gornictwa "Komag" Goaf screen

Similar Documents

Publication Publication Date Title
US3094198A (en) Structural panel
GB892179A (en) Improvements in or relating to hydraulically actuated self advancing roof props
FR1279025A (en) Support for coal mining site by raising with reverse fault working face, preferably operated mechanically
GB934062A (en) Improvements in or relating to roof supports for mines
AU246228B2 (en) Improvements in or relating to locking means in drilling machines
AU6756060A (en) Improvements in or relating to locking means in drilling machines
AU242945B2 (en) Improvements in or relating to mining machines
FR1289337A (en) hydraulic mine prop
BE603540A (en) Mine prop
GB849424A (en) Mechanised mineral-winning and conveying mechanism
AU254548B2 (en) Improvements in or relating to guiding devices for percussion drills
AU252545B2 (en) Improvements in or relating to percussion drilling apparatus
AU241219B2 (en) Improvements to or relating to rock or mining drills
AU262447B2 (en) Improvements in or relating to knitting machines
AU234397B2 (en) Improvements relating to excavating equipment
AU998561A (en) Improvements in or relating to guiding devices for percussion drills
AU238621B2 (en) Improvements in or relating to railroad tie-handling machines
AU239186B2 (en) Mining machine
AU251451B2 (en) Improvements in or relating to drilling machines
AU916761A (en) Improvements in or relating to percussion drilling apparatus
GB912575A (en) Improvements in or relating to methods for drilling bore holes
AU278757B2 (en) Improvements in or relating to pit props or jacks
CA608771A (en) Gripperhead for hydraulic stretching machines
AU261083B2 (en) Improvements in or relating to firefighting particularly mine firefighting
AU252000B2 (en) Improvements in and relating to props or jacks