BE509255A - - Google Patents

Info

Publication number
BE509255A
BE509255A BE509255DA BE509255A BE 509255 A BE509255 A BE 509255A BE 509255D A BE509255D A BE 509255DA BE 509255 A BE509255 A BE 509255A
Authority
BE
Belgium
Prior art keywords
unit
knife
auxiliary
cylinder
hydraulic
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE509255A publication Critical patent/BE509255A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/32Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/36Machine 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)
  • Fluid-Pressure Circuits (AREA)
BE509255D BE509255A (de)

Publications (1)

Publication Number Publication Date
BE509255A true BE509255A (de)

Family

ID=148738

Family Applications (1)

Application Number Title Priority Date Filing Date
BE509255D BE509255A (de)

Country Status (1)

Country Link
BE (1) BE509255A (de)

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