FR84470E - Anchoring device, in particular for bolting to the roof of mine galleries - Google Patents

Anchoring device, in particular for bolting to the roof of mine galleries

Info

Publication number
FR84470E
FR84470E FR941398A FR84470DA FR84470E FR 84470 E FR84470 E FR 84470E FR 941398 A FR941398 A FR 941398A FR 84470D A FR84470D A FR 84470DA FR 84470 E FR84470 E FR 84470E
Authority
FR
France
Prior art keywords
bolting
roof
anchoring device
mine galleries
galleries
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
FR941398A
Other languages
French (fr)
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.)
Lorraine Escaut SA
Original Assignee
Lorraine Escaut SA
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 granted granted Critical
Publication of FR84470E publication Critical patent/FR84470E/en
Application filed by Lorraine Escaut SA filed Critical Lorraine Escaut SA
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)
FR941398A 1963-07-13 1963-07-13 Anchoring device, in particular for bolting to the roof of mine galleries Expired FR84470E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR84470T 1963-07-13

Publications (1)

Publication Number Publication Date
FR84470E true FR84470E (en) 1963-02-19

Family

ID=1365657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941398A Expired FR84470E (en) 1963-07-13 1963-07-13 Anchoring device, in particular for bolting to the roof of mine galleries

Country Status (1)

Country Link
FR (1) FR84470E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016901A1 (en) * 1979-04-02 1980-10-15 HILTI Aktiengesellschaft Fixing element with an anchor bolt and a spacing wedge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016901A1 (en) * 1979-04-02 1980-10-15 HILTI Aktiengesellschaft Fixing element with an anchor bolt and a spacing wedge

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