FR1249554A - Walk-behind support system usable in mechanized vein felling sites - Google Patents

Walk-behind support system usable in mechanized vein felling sites

Info

Publication number
FR1249554A
FR1249554A FR811400A FR811400A FR1249554A FR 1249554 A FR1249554 A FR 1249554A FR 811400 A FR811400 A FR 811400A FR 811400 A FR811400 A FR 811400A FR 1249554 A FR1249554 A FR 1249554A
Authority
FR
France
Prior art keywords
mechanized
vein
walk
support system
system usable
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
FR811400A
Other languages
French (fr)
Inventor
Alain-Georges-Ernest Binaut
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 FR811400A priority Critical patent/FR1249554A/en
Application granted granted Critical
Publication of FR1249554A publication Critical patent/FR1249554A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
FR811400A 1959-11-23 1959-11-23 Walk-behind support system usable in mechanized vein felling sites Expired FR1249554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR811400A FR1249554A (en) 1959-11-23 1959-11-23 Walk-behind support system usable in mechanized vein felling sites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR811400A FR1249554A (en) 1959-11-23 1959-11-23 Walk-behind support system usable in mechanized vein felling sites

Publications (1)

Publication Number Publication Date
FR1249554A true FR1249554A (en) 1960-12-30

Family

ID=8721827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811400A Expired FR1249554A (en) 1959-11-23 1959-11-23 Walk-behind support system usable in mechanized vein felling sites

Country Status (1)

Country Link
FR (1) FR1249554A (en)

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