FR1002193A - two-piece iron mine prop, in particular a prop for temporary construction - Google Patents

two-piece iron mine prop, in particular a prop for temporary construction

Info

Publication number
FR1002193A
FR1002193A FR1002193DA FR1002193A FR 1002193 A FR1002193 A FR 1002193A FR 1002193D A FR1002193D A FR 1002193DA FR 1002193 A FR1002193 A FR 1002193A
Authority
FR
France
Prior art keywords
prop
temporary construction
iron mine
piece iron
piece
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
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
Application granted granted Critical
Publication of FR1002193A publication Critical patent/FR1002193A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded

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)
FR1002193D 1946-08-12 1946-08-12 two-piece iron mine prop, in particular a prop for temporary construction Expired FR1002193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1002193T 1946-08-12

Publications (1)

Publication Number Publication Date
FR1002193A true FR1002193A (en) 1952-03-03

Family

ID=9561926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002193D Expired FR1002193A (en) 1946-08-12 1946-08-12 two-piece iron mine prop, in particular a prop for temporary construction

Country Status (1)

Country Link
FR (1) FR1002193A (en)

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