BE498196A - - Google Patents

Info

Publication number
BE498196A
BE498196A BE498196DA BE498196A BE 498196 A BE498196 A BE 498196A BE 498196D A BE498196D A BE 498196DA BE 498196 A BE498196 A BE 498196A
Authority
BE
Belgium
Prior art keywords
tube
outer tube
sections
collar
frame
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE498196A publication Critical patent/BE498196A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/18Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22Clamps 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)
  • Tents Or Canopies (AREA)
BE498196D BE498196A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE498196A true BE498196A (enEXAMPLES)

Family

ID=140945

Family Applications (1)

Application Number Title Priority Date Filing Date
BE498196D BE498196A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE498196A (enEXAMPLES)

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