BE599512A - Advanced support system for mine ceilings - Google Patents

Advanced support system for mine ceilings

Info

Publication number
BE599512A
BE599512A BE599512A BE599512A BE599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A
Authority
BE
Belgium
Prior art keywords
support system
advanced support
ceilings
mine
mine ceilings
Prior art date
Application number
BE599512A
Other languages
French (fr)
Original Assignee
Dobson Ltd W E & F
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 Dobson Ltd W E & F filed Critical Dobson Ltd W E & F
Publication of BE599512A publication Critical patent/BE599512A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/517—Extension elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Actuator (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
BE599512A 1960-01-27 1961-01-26 Advanced support system for mine ceilings BE599512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB289960A GB973469A (en) 1960-01-27 1960-01-27 Improvements in mine roof supports

Publications (1)

Publication Number Publication Date
BE599512A true BE599512A (en) 1961-05-16

Family

ID=9748127

Family Applications (1)

Application Number Title Priority Date Filing Date
BE599512A BE599512A (en) 1960-01-27 1961-01-26 Advanced support system for mine ceilings

Country Status (2)

Country Link
BE (1) BE599512A (en)
GB (1) GB973469A (en)

Also Published As

Publication number Publication date
GB973469A (en) 1964-10-28

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