FR990397A - Keyed joint for th profiles, in particular for mine arch support - Google Patents

Keyed joint for th profiles, in particular for mine arch support

Info

Publication number
FR990397A
FR990397A FR990397DA FR990397A FR 990397 A FR990397 A FR 990397A FR 990397D A FR990397D A FR 990397DA FR 990397 A FR990397 A FR 990397A
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 FR990397A publication Critical patent/FR990397A/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)
FR990397D 1949-07-07 1949-07-07 Keyed joint for th profiles, in particular for mine arch support Expired FR990397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990397T 1949-07-07

Publications (1)

Publication Number Publication Date
FR990397A true FR990397A (en) 1951-09-20

Family

ID=9543813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990397D Expired FR990397A (en) 1949-07-07 1949-07-07 Keyed joint for th profiles, in particular for mine arch support

Country Status (1)

Country Link
FR (1) FR990397A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325799A1 (en) * 1975-09-24 1977-04-22 Bergbaustahl Gmbh & Co TENSIONER CONNECTION DEVICE FOR ELEMENTS USED AS SUPPORT PANELS IN MINING GALLERIES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325799A1 (en) * 1975-09-24 1977-04-22 Bergbaustahl Gmbh & Co TENSIONER CONNECTION DEVICE FOR ELEMENTS USED AS SUPPORT PANELS IN MINING GALLERIES

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