BE486517A - - Google Patents

Info

Publication number
BE486517A
BE486517A BE486517DA BE486517A BE 486517 A BE486517 A BE 486517A BE 486517D A BE486517D A BE 486517DA BE 486517 A BE486517 A BE 486517A
Authority
BE
Belgium
Prior art keywords
machine
mineral
layer
roof
structures
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486517A publication Critical patent/BE486517A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/36—Machine self-propelled along the working face

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE486517D BE486517A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE486517A true BE486517A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=132169

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486517D BE486517A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE486517A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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