FR1006525A - Iron support device for mines - Google Patents

Iron support device for mines

Info

Publication number
FR1006525A
FR1006525A FR1006525DA FR1006525A FR 1006525 A FR1006525 A FR 1006525A FR 1006525D A FR1006525D A FR 1006525DA FR 1006525 A FR1006525 A FR 1006525A
Authority
FR
France
Prior art keywords
mines
support device
iron support
iron
support
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)
Inventor
Hans Gerlach
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
Application granted granted Critical
Publication of FR1006525A publication Critical patent/FR1006525A/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
    • E21D11/24—Knuckle joints or links between arch members

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)
FR1006525D 1948-01-28 1948-01-28 Iron support device for mines Expired FR1006525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1006525T 1948-01-28

Publications (1)

Publication Number Publication Date
FR1006525A true FR1006525A (en) 1952-04-24

Family

ID=9565841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1006525D Expired FR1006525A (en) 1948-01-28 1948-01-28 Iron support device for mines

Country Status (1)

Country Link
FR (1) FR1006525A (en)

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