FR62499E - Annular or curved beam for mine galleries - Google Patents

Annular or curved beam for mine galleries

Info

Publication number
FR62499E
FR62499E FR62499DA FR62499E FR 62499 E FR62499 E FR 62499E FR 62499D A FR62499D A FR 62499DA FR 62499 E FR62499 E FR 62499E
Authority
FR
France
Prior art keywords
annular
curved beam
mine galleries
galleries
mine
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)
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Application granted granted Critical
Publication of FR62499E publication Critical patent/FR62499E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/20—Special cross- sections, e.g. corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR62499D 1952-03-26 1952-03-26 Annular or curved beam for mine galleries Expired FR62499E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62499T 1952-03-26

Publications (1)

Publication Number Publication Date
FR62499E true FR62499E (en) 1955-06-14

Family

ID=8695906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62499D Expired FR62499E (en) 1952-03-26 1952-03-26 Annular or curved beam for mine galleries

Country Status (1)

Country Link
FR (1) FR62499E (en)

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