FR1355480A - étançon de mine réglable - Google Patents

étançon de mine réglable

Info

Publication number
FR1355480A
FR1355480A FR934940A FR934940A FR1355480A FR 1355480 A FR1355480 A FR 1355480A FR 934940 A FR934940 A FR 934940A FR 934940 A FR934940 A FR 934940A FR 1355480 A FR1355480 A FR 1355480A
Authority
FR
France
Prior art keywords
mine prop
adjustable mine
adjustable
prop
mine
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
FR934940A
Other languages
English (en)
Inventor
Karl Gerlach
Hans Gerlach
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
Priority to FR934940A priority Critical patent/FR1355480A/fr
Application granted granted Critical
Publication of FR1355480A publication Critical patent/FR1355480A/fr
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
    • E21D15/54—Details of the ends of props

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)
FR934940A 1963-05-15 1963-05-15 étançon de mine réglable Expired FR1355480A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR934940A FR1355480A (fr) 1963-05-15 1963-05-15 étançon de mine réglable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934940A FR1355480A (fr) 1963-05-15 1963-05-15 étançon de mine réglable

Publications (1)

Publication Number Publication Date
FR1355480A true FR1355480A (fr) 1964-03-13

Family

ID=8803918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934940A Expired FR1355480A (fr) 1963-05-15 1963-05-15 étançon de mine réglable

Country Status (1)

Country Link
FR (1) FR1355480A (fr)

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