GB2133825B - Roof support suitable for use in mines - Google Patents

Roof support suitable for use in mines

Info

Publication number
GB2133825B
GB2133825B GB08301270A GB8301270A GB2133825B GB 2133825 B GB2133825 B GB 2133825B GB 08301270 A GB08301270 A GB 08301270A GB 8301270 A GB8301270 A GB 8301270A GB 2133825 B GB2133825 B GB 2133825B
Authority
GB
United Kingdom
Prior art keywords
mines
roof support
support suitable
roof
support
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
GB08301270A
Other versions
GB2133825A (en
GB8301270D0 (en
Inventor
Stephen Arthur Brown
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 GB08301270A priority Critical patent/GB2133825B/en
Publication of GB8301270D0 publication Critical patent/GB8301270D0/en
Publication of GB2133825A publication Critical patent/GB2133825A/en
Application granted granted Critical
Publication of GB2133825B publication Critical patent/GB2133825B/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
    • E21D23/04—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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
  • Tents Or Canopies (AREA)
GB08301270A 1983-01-18 1983-01-18 Roof support suitable for use in mines Expired GB2133825B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08301270A GB2133825B (en) 1983-01-18 1983-01-18 Roof support suitable for use in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08301270A GB2133825B (en) 1983-01-18 1983-01-18 Roof support suitable for use in mines

Publications (3)

Publication Number Publication Date
GB8301270D0 GB8301270D0 (en) 1983-02-16
GB2133825A GB2133825A (en) 1984-08-01
GB2133825B true GB2133825B (en) 1986-04-09

Family

ID=10536477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08301270A Expired GB2133825B (en) 1983-01-18 1983-01-18 Roof support suitable for use in mines

Country Status (1)

Country Link
GB (1) GB2133825B (en)

Also Published As

Publication number Publication date
GB2133825A (en) 1984-08-01
GB8301270D0 (en) 1983-02-16

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Legal Events

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

Effective date: 19940118