GB2237318B - A mine roof support - Google Patents

A mine roof support

Info

Publication number
GB2237318B
GB2237318B GB9023086A GB9023086A GB2237318B GB 2237318 B GB2237318 B GB 2237318B GB 9023086 A GB9023086 A GB 9023086A GB 9023086 A GB9023086 A GB 9023086A GB 2237318 B GB2237318 B GB 2237318B
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 - Fee Related
Application number
GB9023086A
Other versions
GB2237318A (en
GB9023086D0 (en
Inventor
David Chandler
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.)
Meco Mining Equipment Ltd
Original Assignee
Meco 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 Meco Mining Equipment Ltd filed Critical Meco Mining Equipment Ltd
Publication of GB9023086D0 publication Critical patent/GB9023086D0/en
Publication of GB2237318A publication Critical patent/GB2237318A/en
Application granted granted Critical
Publication of GB2237318B publication Critical patent/GB2237318B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Tents Or Canopies (AREA)
GB9023086A 1989-10-24 1990-10-24 A mine roof support Expired - Fee Related GB2237318B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898923952A GB8923952D0 (en) 1989-10-24 1989-10-24 A mine roof support

Publications (3)

Publication Number Publication Date
GB9023086D0 GB9023086D0 (en) 1990-12-05
GB2237318A GB2237318A (en) 1991-05-01
GB2237318B true GB2237318B (en) 1993-06-09

Family

ID=10665092

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898923952A Pending GB8923952D0 (en) 1989-10-24 1989-10-24 A mine roof support
GB9023086A Expired - Fee Related GB2237318B (en) 1989-10-24 1990-10-24 A mine roof support

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898923952A Pending GB8923952D0 (en) 1989-10-24 1989-10-24 A mine roof support

Country Status (1)

Country Link
GB (2) GB8923952D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847391A (en) * 2015-05-26 2015-08-19 徐州神安矿山机械科技有限公司 Plate type hydraulic support with integral top beam
CN104847392A (en) * 2015-05-26 2015-08-19 徐州神安矿山机械科技有限公司 Universal plate type hydraulic support

Also Published As

Publication number Publication date
GB8923952D0 (en) 1989-12-13
GB2237318A (en) 1991-05-01
GB9023086D0 (en) 1990-12-05

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Legal Events

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

Effective date: 19961024