GB8405568D0 - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB8405568D0
GB8405568D0 GB848405568A GB8405568A GB8405568D0 GB 8405568 D0 GB8405568 D0 GB 8405568D0 GB 848405568 A GB848405568 A GB 848405568A GB 8405568 A GB8405568 A GB 8405568A GB 8405568 D0 GB8405568 D0 GB 8405568D0
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
supports
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.)
Withdrawn
Application number
GB848405568A
Other versions
GB2155089A (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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB08405568A priority Critical patent/GB2155089A/en
Publication of GB8405568D0 publication Critical patent/GB8405568D0/en
Publication of GB2155089A publication Critical patent/GB2155089A/en
Withdrawn legal-status Critical Current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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB08405568A 1984-03-02 1984-03-02 Mine roof support with rear linkage Withdrawn GB2155089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08405568A GB2155089A (en) 1984-03-02 1984-03-02 Mine roof support with rear linkage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08405568A GB2155089A (en) 1984-03-02 1984-03-02 Mine roof support with rear linkage

Publications (2)

Publication Number Publication Date
GB8405568D0 true GB8405568D0 (en) 1984-04-04
GB2155089A GB2155089A (en) 1985-09-18

Family

ID=10557508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08405568A Withdrawn GB2155089A (en) 1984-03-02 1984-03-02 Mine roof support with rear linkage

Country Status (1)

Country Link
GB (1) GB2155089A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331309B2 (en) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Shield support frame with guide device
GB1582305A (en) * 1977-04-27 1981-01-07 Oroszlanyi Szenbanyak Apparatus for supporting mine roofs
FR2461094A1 (en) * 1979-07-06 1981-01-30 Charbonnages De France SLIDING SUPPORT PORTIC
GB2108559B (en) * 1981-10-23 1985-09-04 Dobson Park Ind Mine roof support
GB2136040B (en) * 1983-03-08 1986-06-11 Dobson Park Ind Pivotal linkage of a mine roof support

Also Published As

Publication number Publication date
GB2155089A (en) 1985-09-18

Similar Documents

Publication Publication Date Title
GB2152570B (en) Mine roof support unit
GB2116618B (en) Mine roof supports
ZA874566B (en) Mine roof supports
ZA832294B (en) Mine roof supports
GB2191236B (en) Mine roof supports
GB2115048B (en) Mine roof supports
GB8617160D0 (en) Mine roof supports
GB8424334D0 (en) Mine roof supports
GB2199068B (en) Mine roof supports
GB8520339D0 (en) Roof
GB2196371B (en) Mine roof supports
ZA844424B (en) Mine roof supports
GB2188665B (en) Mine roof supports
ZA852380B (en) Mine prop
GB8405568D0 (en) Mine roof supports
GB8306354D0 (en) Mine roof supports
GB8328281D0 (en) Mine roof supports
GB8406668D0 (en) Mine roof support
GB2182704B (en) Mine roof supports
PL249665A1 (en) Self-advancing roof supports
PL250823A1 (en) Self-advancing roof supports
PL247639A1 (en) Self-advancing roof supports
GB2197678B (en) Mine roof supports
PL250010A1 (en) Roof-bar for self-advancing roof supports
GB2201986B (en) Mine roof supports

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)