GB1125174A - Mine roof support assemblies - Google Patents

Mine roof support assemblies

Info

Publication number
GB1125174A
GB1125174A GB367966A GB367966A GB1125174A GB 1125174 A GB1125174 A GB 1125174A GB 367966 A GB367966 A GB 367966A GB 367966 A GB367966 A GB 367966A GB 1125174 A GB1125174 A GB 1125174A
Authority
GB
United Kingdom
Prior art keywords
mine roof
jacks
roof support
stirrups
cylinders
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
GB367966A
Other languages
English (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.)
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 GB1125174A publication Critical patent/GB1125174A/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB367966A 1965-02-08 1966-01-27 Mine roof support assemblies Expired GB1125174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0042776 1965-02-08

Publications (1)

Publication Number Publication Date
GB1125174A true GB1125174A (en) 1968-08-28

Family

ID=7127011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB367966A Expired GB1125174A (en) 1965-02-08 1966-01-27 Mine roof support assemblies

Country Status (3)

Country Link
BE (1) BE676178A (US06265458-20010724-C00056.png)
GB (1) GB1125174A (US06265458-20010724-C00056.png)
NL (1) NL6601388A (US06265458-20010724-C00056.png)

Also Published As

Publication number Publication date
BE676178A (US06265458-20010724-C00056.png) 1966-08-08
NL6601388A (US06265458-20010724-C00056.png) 1966-08-09

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