BE492245A - - Google Patents

Info

Publication number
BE492245A
BE492245A BE492245DA BE492245A BE 492245 A BE492245 A BE 492245A BE 492245D A BE492245D A BE 492245DA BE 492245 A BE492245 A BE 492245A
Authority
BE
Belgium
Application number
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.)
Publication of BE492245A publication Critical patent/BE492245A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/26—Methods of surface mining; Layouts therefor
    • 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
    • E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
    • E21F13/047—Transport of mined material in gravity inclines; in staple or inclined shafts comprising helically running channels

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)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE492245D 1949-10-27 BE492245A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG176A DE844733C (de) 1949-10-27 1949-10-27 Verfahren zum Zutagefoerdern des gewonnenen Gutes im Bergbau

Publications (1)

Publication Number Publication Date
BE492245A true BE492245A (xx)

Family

ID=7115681

Family Applications (1)

Application Number Title Priority Date Filing Date
BE492245D BE492245A (xx) 1949-10-27

Country Status (2)

Country Link
BE (1) BE492245A (xx)
DE (1) DE844733C (xx)

Also Published As

Publication number Publication date
DE844733C (de) 1952-07-24

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