DE290683C - - Google Patents

Info

Publication number
DE290683C
DE290683C DENDAT290683D DE290683DA DE290683C DE 290683 C DE290683 C DE 290683C DE NDAT290683 D DENDAT290683 D DE NDAT290683D DE 290683D A DE290683D A DE 290683DA DE 290683 C DE290683 C DE 290683C
Authority
DE
Germany
Prior art keywords
face
mining
rows
supporting
arranged parallel
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.)
Active
Application number
DENDAT290683D
Other languages
German (de)
English (en)
Publication of DE290683C publication Critical patent/DE290683C/de
Active legal-status Critical Current

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
    • E21D15/58—Devices for setting props or chocks

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)
  • Nonmetallic Welding Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT290683D Active DE290683C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE290683C true DE290683C (enrdf_load_stackoverflow)

Family

ID=545623

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT290683D Active DE290683C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE290683C (enrdf_load_stackoverflow)

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