FR1224025A - Dispositif d'ancrage perfectionné - Google Patents

Dispositif d'ancrage perfectionné

Info

Publication number
FR1224025A
FR1224025A FR747064A FR747064A FR1224025A FR 1224025 A FR1224025 A FR 1224025A FR 747064 A FR747064 A FR 747064A FR 747064 A FR747064 A FR 747064A FR 1224025 A FR1224025 A FR 1224025A
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
FR747064A
Other languages
English (en)
Inventor
Jacques Rousseau
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
Priority to FR747064A priority Critical patent/FR1224025A/fr
Application granted granted Critical
Publication of FR1224025A publication Critical patent/FR1224025A/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)
FR747064A 1957-09-11 1957-09-11 Dispositif d'ancrage perfectionné Expired FR1224025A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR747064A FR1224025A (fr) 1957-09-11 1957-09-11 Dispositif d'ancrage perfectionné

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR747064A FR1224025A (fr) 1957-09-11 1957-09-11 Dispositif d'ancrage perfectionné

Publications (1)

Publication Number Publication Date
FR1224025A true FR1224025A (fr) 1960-06-21

Family

ID=8704787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747064A Expired FR1224025A (fr) 1957-09-11 1957-09-11 Dispositif d'ancrage perfectionné

Country Status (1)

Country Link
FR (1) FR1224025A (fr)

Similar Documents

Publication Publication Date Title
FR1238993A (fr) Dispositif d'ancrage
FR1179556A (fr) Dispositif d'ancrage perfectionné
FR1268624A (fr) Dispositif d'ancrage perfectionné
FR1211478A (fr) Dispositif d'accouplement
FR1181843A (fr) Dispositif d'addition
FR1260082A (fr) Dispositif d'accouplement-moteur
CH346573A (fr) Dispositif d'ancrage pour rail
FR1152258A (fr) Dispositif d'ancrage perfectionné
FR1232426A (fr) Dispositif d'étaiement
FR1187669A (fr) Dispositif d'ancrage perfectionné
FR1171788A (fr) Dispositif d'ancrage
FR1241684A (fr) Dispositif d'ancrage écartable
FR1126528A (fr) Dispositif d'ancrage
FR1224025A (fr) Dispositif d'ancrage perfectionné
FR1191476A (fr) Dispositif d'ancrage perfectionné
FR1198302A (fr) Dispositif d'accouplement
FR75361E (fr) Dispositif d'ancrage perfectionné
FR1180682A (fr) Dispositif d'articulation
CH345926A (fr) Dispositif d'antennes
BE609310A (fr) Dispositif d'ancrage
FR1215838A (fr) Dispositif d'encroix
FR1197984A (fr) Dispositif d'ancrage notamment pour mines
BE585427A (fr) Dispositif d'ancrage ecartable.
FR1171206A (fr) Dispositif vaporisateur-insufflateur perfectionné
BE592897Q (fr) Dispositif d'ancrage