GB2165574B - Mine roof supports with anti toppling device - Google Patents

Mine roof supports with anti toppling device

Info

Publication number
GB2165574B
GB2165574B GB08425932A GB8425932A GB2165574B GB 2165574 B GB2165574 B GB 2165574B GB 08425932 A GB08425932 A GB 08425932A GB 8425932 A GB8425932 A GB 8425932A GB 2165574 B GB2165574 B GB 2165574B
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
toppling device
toppling
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.)
Expired
Application number
GB08425932A
Other versions
GB8425932D0 (en
GB2165574A (en
Inventor
William Francis Tristram
Richard Arthur Naylor
Peter John Green
Philip George Carmichael
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 HUCKNALL Ltd
Original Assignee
DOWTY HUCKNALL 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 HUCKNALL Ltd filed Critical DOWTY HUCKNALL Ltd
Priority to GB08425932A priority Critical patent/GB2165574B/en
Publication of GB8425932D0 publication Critical patent/GB8425932D0/en
Publication of GB2165574A publication Critical patent/GB2165574A/en
Application granted granted Critical
Publication of GB2165574B publication Critical patent/GB2165574B/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

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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB08425932A 1984-10-13 1984-10-13 Mine roof supports with anti toppling device Expired GB2165574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08425932A GB2165574B (en) 1984-10-13 1984-10-13 Mine roof supports with anti toppling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08425932A GB2165574B (en) 1984-10-13 1984-10-13 Mine roof supports with anti toppling device

Publications (3)

Publication Number Publication Date
GB8425932D0 GB8425932D0 (en) 1984-11-21
GB2165574A GB2165574A (en) 1986-04-16
GB2165574B true GB2165574B (en) 1987-11-18

Family

ID=10568170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08425932A Expired GB2165574B (en) 1984-10-13 1984-10-13 Mine roof supports with anti toppling device

Country Status (1)

Country Link
GB (1) GB2165574B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006130918A1 (en) * 2005-06-10 2006-12-14 William John Sutton Roof support for mines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE727824A (en) * 1968-03-12 1969-07-16
GB1384054A (en) * 1971-03-30 1975-02-19 Dowty Mining Equipment Ltd Mine roof support

Also Published As

Publication number Publication date
GB8425932D0 (en) 1984-11-21
GB2165574A (en) 1986-04-16

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Legal Events

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

Effective date: 19931013