FR71092E - étai télescopique - Google Patents

étai télescopique

Info

Publication number
FR71092E
FR71092E FR71092DA FR71092E FR 71092 E FR71092 E FR 71092E FR 71092D A FR71092D A FR 71092DA FR 71092 E FR71092 E FR 71092E
Authority
FR
France
Prior art keywords
telescopic prop
prop
telescopic
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
English (en)
Inventor
Nicolas-Joseph Rutigliano
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 FR71092E publication Critical patent/FR71092E/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)
FR71092D 1957-03-05 1957-03-05 étai télescopique Expired FR71092E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR71092T 1957-03-05

Publications (1)

Publication Number Publication Date
FR71092E true FR71092E (fr) 1959-10-08

Family

ID=8702712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR71092D Expired FR71092E (fr) 1957-03-05 1957-03-05 étai télescopique

Country Status (1)

Country Link
FR (1) FR71092E (fr)

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