FR1194198A - - Google Patents

Info

Publication number
FR1194198A
FR1194198A FR1194198DA FR1194198A FR 1194198 A FR1194198 A FR 1194198A FR 1194198D A FR1194198D A FR 1194198DA FR 1194198 A FR1194198 A FR 1194198A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR1194198A publication Critical patent/FR1194198A/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
    • E21D15/58—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)
FR1194198D Expired FR1194198A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
FR1194198A true FR1194198A (enrdf_load_stackoverflow) 1959-11-06

Family

ID=1568667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1194198D Expired FR1194198A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
FR (1) FR1194198A (enrdf_load_stackoverflow)

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