FR899391A - Support system for mines - Google Patents

Support system for mines

Info

Publication number
FR899391A
FR899391A FR899391DA FR899391A FR 899391 A FR899391 A FR 899391A FR 899391D A FR899391D A FR 899391DA FR 899391 A FR899391 A FR 899391A
Authority
FR
France
Prior art keywords
mines
support system
support
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Alfred Buschmann
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 filed Critical
Application granted granted Critical
Publication of FR899391A publication Critical patent/FR899391A/en
Expired 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
    • E21D15/50—Component parts or details of props
    • E21D15/52—Extensible units located above or below standard props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs

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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR899391D 1943-05-25 1943-11-03 Support system for mines Expired FR899391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE899391X 1943-05-25

Publications (1)

Publication Number Publication Date
FR899391A true FR899391A (en) 1945-05-29

Family

ID=6849496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899391D Expired FR899391A (en) 1943-05-25 1943-11-03 Support system for mines

Country Status (1)

Country Link
FR (1) FR899391A (en)

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