FR72263E - Device allowing effective support in the case of poor soils or other applications - Google Patents

Device allowing effective support in the case of poor soils or other applications

Info

Publication number
FR72263E
FR72263E FR72263DA FR72263E FR 72263 E FR72263 E FR 72263E FR 72263D A FR72263D A FR 72263DA FR 72263 E FR72263 E FR 72263E
Authority
FR
France
Prior art keywords
applications
case
device allowing
effective support
allowing effective
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
Jacques-Emmanuel-Hen Berte
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 FR72263E publication Critical patent/FR72263E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR72263D 1957-09-14 1957-09-14 Device allowing effective support in the case of poor soils or other applications Expired FR72263E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR72263T 1957-09-14

Publications (1)

Publication Number Publication Date
FR72263E true FR72263E (en) 1960-08-12

Family

ID=8703758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR72263D Expired FR72263E (en) 1957-09-14 1957-09-14 Device allowing effective support in the case of poor soils or other applications

Country Status (1)

Country Link
FR (1) FR72263E (en)

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