FR62678E - Keyed joint for t and h profiles, in particular for mine arch support - Google Patents

Keyed joint for t and h profiles, in particular for mine arch support

Info

Publication number
FR62678E
FR62678E FR62678DA FR62678E FR 62678 E FR62678 E FR 62678E FR 62678D A FR62678D A FR 62678DA FR 62678 E FR62678 E FR 62678E
Authority
FR
France
Prior art keywords
profiles
arch support
keyed joint
mine arch
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 FR62678E publication Critical patent/FR62678E/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
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

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)
FR62678D 1952-04-07 1952-04-07 Keyed joint for t and h profiles, in particular for mine arch support Expired FR62678E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62678T 1952-04-07

Publications (1)

Publication Number Publication Date
FR62678E true FR62678E (en) 1955-06-16

Family

ID=8696063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62678D Expired FR62678E (en) 1952-04-07 1952-04-07 Keyed joint for t and h profiles, in particular for mine arch support

Country Status (1)

Country Link
FR (1) FR62678E (en)

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