GB1388566A - Mine roof support assemblies - Google Patents

Mine roof support assemblies

Info

Publication number
GB1388566A
GB1388566A GB1205472A GB1205472A GB1388566A GB 1388566 A GB1388566 A GB 1388566A GB 1205472 A GB1205472 A GB 1205472A GB 1205472 A GB1205472 A GB 1205472A GB 1388566 A GB1388566 A GB 1388566A
Authority
GB
United Kingdom
Prior art keywords
roof support
support assemblies
mine roof
mine
assemblies
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
GB1205472A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB1388566A publication Critical patent/GB1388566A/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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/10—Anchorings for conveyors

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)
  • Mechanical Engineering (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
GB1205472A 1971-03-27 1972-03-15 Mine roof support assemblies Expired GB1388566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712115014 DE2115014A1 (en) 1971-03-27 1971-03-27 Extension frame with three movable frames

Publications (1)

Publication Number Publication Date
GB1388566A true GB1388566A (en) 1975-03-26

Family

ID=5803025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1205472A Expired GB1388566A (en) 1971-03-27 1972-03-15 Mine roof support assemblies

Country Status (3)

Country Link
DE (1) DE2115014A1 (en)
FR (1) FR2131217A5 (en)
GB (1) GB1388566A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116950687A (en) * 2023-09-20 2023-10-27 太原西北二环高速公路发展有限公司 Tunnel supporting system penetrating through multilayer goaf and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116950687A (en) * 2023-09-20 2023-10-27 太原西北二环高速公路发展有限公司 Tunnel supporting system penetrating through multilayer goaf and construction method thereof
CN116950687B (en) * 2023-09-20 2023-12-01 太原西北二环高速公路发展有限公司 Tunnel supporting system penetrating through multilayer goaf and construction method thereof

Also Published As

Publication number Publication date
DE2115014A1 (en) 1972-10-12
FR2131217A5 (en) 1972-11-10

Similar Documents

Publication Publication Date Title
AU3777172A (en) Tunnelling
CA995908A (en) Mine roof supports
GB1385197A (en) Tunnels
ZA75367B (en) Mine roof support
GB1387311A (en) Mine roof supports
ZA757612B (en) Mine roof support
AU7990475A (en) Mine support assemblies
GB1384054A (en) Mine roof support
CA946633A (en) Self propelled mine roof supports
GB1388566A (en) Mine roof support assemblies
ZA734686B (en) Mine roof supports
CA839498A (en) Mine roof support assembly
ZA746078B (en) Mine roof support
CA942959A (en) Mine roof supports
GB1388842A (en) Mine roof supports
CA936027A (en) Mine roof bolt assembly
CA873649A (en) Mine roof support
CA830734A (en) Mine roof supports
AU2396170A (en) Mine roof support means
CA864777A (en) Advancing mine roof support
GB1388018A (en) Roof construction
IL38863A0 (en) Greenhouse roof
GB1404578A (en) Tunnel burner
CA888477A (en) Control of mine roof support assemblies
CA839497A (en) Mine roof supports

Legal Events

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