GB8321266D0 - Roof supports - Google Patents

Roof supports

Info

Publication number
GB8321266D0
GB8321266D0 GB838321266A GB8321266A GB8321266D0 GB 8321266 D0 GB8321266 D0 GB 8321266D0 GB 838321266 A GB838321266 A GB 838321266A GB 8321266 A GB8321266 A GB 8321266A GB 8321266 D0 GB8321266 D0 GB 8321266D0
Authority
GB
United Kingdom
Prior art keywords
roof supports
roof
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.)
Withdrawn
Application number
GB838321266A
Other versions
GB2144474A (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 GB08321266A priority Critical patent/GB2144474A/en
Publication of GB8321266D0 publication Critical patent/GB8321266D0/en
Priority to DE19843427861 priority patent/DE3427861A1/en
Publication of GB2144474A publication Critical patent/GB2144474A/en
Withdrawn legal-status Critical Current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
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
GB08321266A 1983-08-06 1983-08-06 Roof supports with platform suitable for use in mines Withdrawn GB2144474A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08321266A GB2144474A (en) 1983-08-06 1983-08-06 Roof supports with platform suitable for use in mines
DE19843427861 DE3427861A1 (en) 1983-08-06 1984-07-27 SCREW EXTENSION RACK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08321266A GB2144474A (en) 1983-08-06 1983-08-06 Roof supports with platform suitable for use in mines

Publications (2)

Publication Number Publication Date
GB8321266D0 true GB8321266D0 (en) 1983-09-07
GB2144474A GB2144474A (en) 1985-03-06

Family

ID=10546949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08321266A Withdrawn GB2144474A (en) 1983-08-06 1983-08-06 Roof supports with platform suitable for use in mines

Country Status (2)

Country Link
DE (1) DE3427861A1 (en)
GB (1) GB2144474A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110878702A (en) * 2018-09-05 2020-03-13 徐州中新机械科技有限公司 Mining auxiliary roadway support vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641598B1 (en) * 1976-09-16 1978-01-19 Hemscheidt Maschf Hermann PROTECTIVE WALL FOR HYDRAULIC EXTENSION FRAMES

Also Published As

Publication number Publication date
DE3427861A1 (en) 1985-02-14
GB2144474A (en) 1985-03-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)