FR1002192A - Two-piece iron mine props device - Google Patents

Two-piece iron mine props device

Info

Publication number
FR1002192A
FR1002192A FR1002192DA FR1002192A FR 1002192 A FR1002192 A FR 1002192A FR 1002192D A FR1002192D A FR 1002192DA FR 1002192 A FR1002192 A FR 1002192A
Authority
FR
France
Prior art keywords
iron mine
piece iron
mine props
props device
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 FR1002192A publication Critical patent/FR1002192A/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)
FR1002192D 1946-08-12 1946-08-12 Two-piece iron mine props device Expired FR1002192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1002192T 1946-08-12

Publications (1)

Publication Number Publication Date
FR1002192A true FR1002192A (en) 1952-03-03

Family

ID=9561925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002192D Expired FR1002192A (en) 1946-08-12 1946-08-12 Two-piece iron mine props device

Country Status (1)

Country Link
FR (1) FR1002192A (en)

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