GB8707842D0 - Mine/tunnel roof supports - Google Patents

Mine/tunnel roof supports

Info

Publication number
GB8707842D0
GB8707842D0 GB878707842A GB8707842A GB8707842D0 GB 8707842 D0 GB8707842 D0 GB 8707842D0 GB 878707842 A GB878707842 A GB 878707842A GB 8707842 A GB8707842 A GB 8707842A GB 8707842 D0 GB8707842 D0 GB 8707842D0
Authority
GB
United Kingdom
Prior art keywords
mine
roof supports
tunnel roof
tunnel
supports
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.)
Granted
Application number
GB878707842A
Other versions
GB2189529A (en
GB2189529B (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.)
Caledonian Mining Co Ltd
Original Assignee
Caledonian Mining 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
Priority claimed from GB868609221A external-priority patent/GB8609221D0/en
Application filed by Caledonian Mining Co Ltd filed Critical Caledonian Mining Co Ltd
Publication of GB8707842D0 publication Critical patent/GB8707842D0/en
Publication of GB2189529A publication Critical patent/GB2189529A/en
Application granted granted Critical
Publication of GB2189529B publication Critical patent/GB2189529B/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
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/26—Shoes for connecting arch members to longitudinal struts

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)
GB08707842A 1986-04-16 1987-04-02 Improvements in and relating to mine or tunnel roof supports Expired GB2189529B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868609221A GB8609221D0 (en) 1986-04-16 1986-04-16 Mine/tunnel roof supports
GB868615901A GB8615901D0 (en) 1986-04-16 1986-06-30 Mine/tunnel roof supports

Publications (3)

Publication Number Publication Date
GB8707842D0 true GB8707842D0 (en) 1987-05-07
GB2189529A GB2189529A (en) 1987-10-28
GB2189529B GB2189529B (en) 1988-11-30

Family

ID=26290630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08707842A Expired GB2189529B (en) 1986-04-16 1987-04-02 Improvements in and relating to mine or tunnel roof supports

Country Status (1)

Country Link
GB (1) GB2189529B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8814641D0 (en) * 1988-06-20 1988-07-27 Caledonian Mining Co Ltd Improvements in/relating to joint members
CN103670468B (en) * 2013-12-04 2015-12-02 中国矿业大学(北京) Allow pressure type base angle sleeve pipe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291705A (en) * 1928-01-18 1928-06-07 Waldemar Moll Improvements in or relating to shoring structures for mines
GB986448A (en) * 1963-01-19 1965-03-17 Downings Barnsley Ltd Improvements in or relating to struts for use in mining

Also Published As

Publication number Publication date
GB2189529A (en) 1987-10-28
GB2189529B (en) 1988-11-30

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Legal Events

Date Code Title Description
775 Application for amendment of specification (sect. 75/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940402