GB2048352B - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB2048352B
GB2048352B GB7915735A GB7915735A GB2048352B GB 2048352 B GB2048352 B GB 2048352B GB 7915735 A GB7915735 A GB 7915735A GB 7915735 A GB7915735 A GB 7915735A GB 2048352 B GB2048352 B GB 2048352B
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
GB7915735A
Other versions
GB2048352A (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 GB7915735A priority Critical patent/GB2048352B/en
Publication of GB2048352A publication Critical patent/GB2048352A/en
Application granted granted Critical
Publication of GB2048352B publication Critical patent/GB2048352B/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

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)
  • Tents Or Canopies (AREA)
GB7915735A 1979-05-05 1979-05-05 Mine roof support Expired GB2048352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7915735A GB2048352B (en) 1979-05-05 1979-05-05 Mine roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7915735A GB2048352B (en) 1979-05-05 1979-05-05 Mine roof support

Publications (2)

Publication Number Publication Date
GB2048352A GB2048352A (en) 1980-12-10
GB2048352B true GB2048352B (en) 1982-12-22

Family

ID=10504984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915735A Expired GB2048352B (en) 1979-05-05 1979-05-05 Mine roof support

Country Status (1)

Country Link
GB (1) GB2048352B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643120A1 (en) * 1986-01-22 1987-07-30 Voest Alpine Ag MOVABLE RACK
EP0795680B1 (en) * 1996-03-11 2003-09-03 Council of Scientific and Industrial Research Shortwall mining equipment for extraction of pillars in underground coal mines

Also Published As

Publication number Publication date
GB2048352A (en) 1980-12-10

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Legal Events

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