GB2093515B - Improvements in or relating to mine roof supports - Google Patents

Improvements in or relating to mine roof supports

Info

Publication number
GB2093515B
GB2093515B GB8134835A GB8134835A GB2093515B GB 2093515 B GB2093515 B GB 2093515B GB 8134835 A GB8134835 A GB 8134835A GB 8134835 A GB8134835 A GB 8134835A GB 2093515 B GB2093515 B GB 2093515B
Authority
GB
United Kingdom
Prior art keywords
relating
mine roof
roof supports
supports
mine
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
GB8134835A
Other versions
GB2093515A (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 GB8134835A priority Critical patent/GB2093515B/en
Publication of GB2093515A publication Critical patent/GB2093515A/en
Application granted granted Critical
Publication of GB2093515B publication Critical patent/GB2093515B/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
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0095—Temporary supports at the driving front
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports

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)
  • Road Paving Structures (AREA)
GB8134835A 1981-02-24 1981-11-19 Improvements in or relating to mine roof supports Expired GB2093515B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8134835A GB2093515B (en) 1981-02-24 1981-11-19 Improvements in or relating to mine roof supports

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8105842 1981-02-24
GB8134835A GB2093515B (en) 1981-02-24 1981-11-19 Improvements in or relating to mine roof supports

Publications (2)

Publication Number Publication Date
GB2093515A GB2093515A (en) 1982-09-02
GB2093515B true GB2093515B (en) 1984-12-05

Family

ID=26278543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134835A Expired GB2093515B (en) 1981-02-24 1981-11-19 Improvements in or relating to mine roof supports

Country Status (1)

Country Link
GB (1) GB2093515B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373147A (en) * 2014-09-19 2015-02-25 郑东风 Folding extension type roadway hydraulic bracket and application method thereof
CN104405418A (en) * 2014-04-28 2015-03-11 中铁二院工程集团有限责任公司 Novel steel frame for preliminary support of tunnel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643942B (en) * 2018-07-16 2023-11-10 西安科技大学 Temporary inverted arch with adjustable hydraulic pressure
CN116753008B (en) * 2023-08-11 2023-10-27 北京科技大学 Large-section roadway flexible supporting equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405418A (en) * 2014-04-28 2015-03-11 中铁二院工程集团有限责任公司 Novel steel frame for preliminary support of tunnel
CN104373147A (en) * 2014-09-19 2015-02-25 郑东风 Folding extension type roadway hydraulic bracket and application method thereof

Also Published As

Publication number Publication date
GB2093515A (en) 1982-09-02

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Legal Events

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