[go: up one dir, main page]

GB2088458B - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB2088458B
GB2088458B GB8134996A GB8134996A GB2088458B GB 2088458 B GB2088458 B GB 2088458B GB 8134996 A GB8134996 A GB 8134996A GB 8134996 A GB8134996 A GB 8134996A GB 2088458 B GB2088458 B GB 2088458B
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
mine
support
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
GB8134996A
Other versions
GB2088458A (en
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 GB8134996A priority Critical patent/GB2088458B/en
Publication of GB2088458A publication Critical patent/GB2088458A/en
Application granted granted Critical
Publication of GB2088458B publication Critical patent/GB2088458B/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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • 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
    • E21D23/04—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
    • E21D23/0427—Shield operating devices; Hinges therefor

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)
  • Excavating Of Shafts Or Tunnels (AREA)
GB8134996A 1980-11-28 1981-11-20 Mine roof support Expired GB2088458B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8134996A GB2088458B (en) 1980-11-28 1981-11-20 Mine roof support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8038264 1980-11-28
GB8134996A GB2088458B (en) 1980-11-28 1981-11-20 Mine roof support

Publications (2)

Publication Number Publication Date
GB2088458A GB2088458A (en) 1982-06-09
GB2088458B true GB2088458B (en) 1984-04-11

Family

ID=26277661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134996A Expired GB2088458B (en) 1980-11-28 1981-11-20 Mine roof support

Country Status (1)

Country Link
GB (1) GB2088458B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227511A (en) * 1988-12-16 1990-08-01 Winster Group Roof support assembly
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support
CN104790995B (en) * 2009-07-10 2018-04-06 乔伊·姆·特拉华公司 Longwall mining roof supports
CN102720517B (en) * 2012-06-08 2014-08-13 三一重型装备有限公司 Advance support, advance support set and advance supporting device

Also Published As

Publication number Publication date
GB2088458A (en) 1982-06-09

Similar Documents

Publication Publication Date Title
AU7307581A (en) Yieldable mine roof support
GB2054018B (en) Mine roof supports
AU545888B2 (en) Mine roof supporting structure
GB2115047B (en) Mine roof support system
GB2067640B (en) Mine roof supports
ZA837429B (en) Mine roof support assembly
GB2031981B (en) Shield-type mine roof support
ZA814820B (en) Yielding mining support
GB2116618B (en) Mine roof supports
GB2051937B (en) Mine roof support
ZA832294B (en) Mine roof supports
GB2115048B (en) Mine roof supports
GB2109450B (en) Underground roof support
GB2088458B (en) Mine roof support
AU7239281A (en) Mine roof support
GB2073291B (en) Mine roof supports
GB2041056B (en) Mine roof support
GB2045325B (en) Mine roof support system
GB2093102B (en) Mine roof support
AU540670B2 (en) Mine roof support
GB2084232B (en) Mine roof support unit
GB2097454B (en) Mine roof support
GB2108559B (en) Mine roof support
GB2127885B (en) Mine roof support
GB8310348D0 (en) Roof support for mines

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee