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FR75361E - Dispositif d'ancrage perfectionné - Google Patents

Dispositif d'ancrage perfectionné

Info

Publication number
FR75361E
FR75361E FR789638A FR789638A FR75361E FR 75361 E FR75361 E FR 75361E FR 789638 A FR789638 A FR 789638A FR 789638 A FR789638 A FR 789638A FR 75361 E FR75361 E FR 75361E
Authority
FR
France
Prior art keywords
anchoring device
advanced
advanced anchoring
anchoring
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
FR789638A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anciens Etablissements Goldenberg et Cie
Original Assignee
Anciens Etablissements Goldenberg et Cie
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 by Anciens Etablissements Goldenberg et Cie filed Critical Anciens Etablissements Goldenberg et Cie
Priority to FR789638A priority Critical patent/FR75361E/fr
Application granted granted Critical
Publication of FR75361E publication Critical patent/FR75361E/fr
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)
FR789638A 1959-03-17 1959-03-17 Dispositif d'ancrage perfectionné Expired FR75361E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR789638A FR75361E (fr) 1959-03-17 1959-03-17 Dispositif d'ancrage perfectionné

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR789638A FR75361E (fr) 1959-03-17 1959-03-17 Dispositif d'ancrage perfectionné

Publications (1)

Publication Number Publication Date
FR75361E true FR75361E (fr) 1961-06-09

Family

ID=8712595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789638A Expired FR75361E (fr) 1959-03-17 1959-03-17 Dispositif d'ancrage perfectionné

Country Status (1)

Country Link
FR (1) FR75361E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703119A (en) * 1970-09-14 1972-11-21 Lester Lerich Expansion bolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703119A (en) * 1970-09-14 1972-11-21 Lester Lerich Expansion bolt

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