FR84750E - 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
FR84750E
FR84750E FR954136A FR954136A FR84750E FR 84750 E FR84750 E FR 84750E FR 954136 A FR954136 A FR 954136A FR 954136 A FR954136 A FR 954136A FR 84750 E FR84750 E FR 84750E
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
FR954136A
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 filed by Lorraine Escaut SA filed Critical Lorraine Escaut SA
Priority to FR954136A priority Critical patent/FR84750E/en
Priority to BE646241A priority patent/BE646241A/fr
Priority to LU45829A priority patent/LU45829A1/xx
Application granted granted Critical
Publication of FR84750E publication Critical patent/FR84750E/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)
FR954136A 1963-06-13 1963-11-18 Anchoring device, in particular for bolting to the roof of mine galleries Expired FR84750E (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR954136A FR84750E (en) 1963-11-18 1963-11-18 Anchoring device, in particular for bolting to the roof of mine galleries
BE646241A BE646241A (en) 1963-06-13 1964-04-07
LU45829A LU45829A1 (en) 1963-06-13 1964-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR954136A FR84750E (en) 1963-11-18 1963-11-18 Anchoring device, in particular for bolting to the roof of mine galleries

Publications (1)

Publication Number Publication Date
FR84750E true FR84750E (en) 1965-04-02

Family

ID=8816824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR954136A Expired FR84750E (en) 1963-06-13 1963-11-18 Anchoring device, in particular for bolting to the roof of mine galleries

Country Status (1)

Country Link
FR (1) FR84750E (en)

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