GB2058170B - Roof support apparatus for tunnels or shafts - Google Patents

Roof support apparatus for tunnels or shafts

Info

Publication number
GB2058170B
GB2058170B GB7931195A GB7931195A GB2058170B GB 2058170 B GB2058170 B GB 2058170B GB 7931195 A GB7931195 A GB 7931195A GB 7931195 A GB7931195 A GB 7931195A GB 2058170 B GB2058170 B GB 2058170B
Authority
GB
United Kingdom
Prior art keywords
tunnels
shafts
support apparatus
roof 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
GB7931195A
Other versions
GB2058170A (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.)
MARKHAM AND CO Ltd
Original Assignee
MARKHAM AND CO 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 MARKHAM AND CO Ltd filed Critical MARKHAM AND CO Ltd
Priority to GB7931195A priority Critical patent/GB2058170B/en
Priority to GB8028998A priority patent/GB2057539A/en
Publication of GB2058170A publication Critical patent/GB2058170A/en
Application granted granted Critical
Publication of GB2058170B publication Critical patent/GB2058170B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
GB7931195A 1979-09-07 1979-09-07 Roof support apparatus for tunnels or shafts Expired GB2058170B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7931195A GB2058170B (en) 1979-09-07 1979-09-07 Roof support apparatus for tunnels or shafts
GB8028998A GB2057539A (en) 1979-09-07 1980-09-08 Improvements in clamping elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7931195A GB2058170B (en) 1979-09-07 1979-09-07 Roof support apparatus for tunnels or shafts

Publications (2)

Publication Number Publication Date
GB2058170A GB2058170A (en) 1981-04-08
GB2058170B true GB2058170B (en) 1982-12-22

Family

ID=10507696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7931195A Expired GB2058170B (en) 1979-09-07 1979-09-07 Roof support apparatus for tunnels or shafts

Country Status (1)

Country Link
GB (1) GB2058170B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327869A1 (en) * 1982-08-04 1984-02-09 Pandrol Ltd., London ATTACHING PANEL MATERIAL TO A LONG-TERM SUPPORT

Also Published As

Publication number Publication date
GB2058170A (en) 1981-04-08

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Legal Events

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