AT362331B - TUBE EXTENSION - Google Patents

TUBE EXTENSION

Info

Publication number
AT362331B
AT362331B AT561377A AT561377A AT362331B AT 362331 B AT362331 B AT 362331B AT 561377 A AT561377 A AT 561377A AT 561377 A AT561377 A AT 561377A AT 362331 B AT362331 B AT 362331B
Authority
AT
Austria
Prior art keywords
tube extension
extension
tube
Prior art date
Application number
AT561377A
Other languages
German (de)
Other versions
ATA561377A (en
Original Assignee
Bochumer Eisen Heintzmann
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 Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of ATA561377A publication Critical patent/ATA561377A/en
Application granted granted Critical
Publication of AT362331B publication Critical patent/AT362331B/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Clamps And Clips (AREA)
AT561377A 1976-11-08 1977-07-29 TUBE EXTENSION AT362331B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762650930 DE2650930C3 (en) 1976-11-08 1976-11-08 Tunnel expansion

Publications (2)

Publication Number Publication Date
ATA561377A ATA561377A (en) 1980-10-15
AT362331B true AT362331B (en) 1981-05-11

Family

ID=5992641

Family Applications (1)

Application Number Title Priority Date Filing Date
AT561377A AT362331B (en) 1976-11-08 1977-07-29 TUBE EXTENSION

Country Status (5)

Country Link
AT (1) AT362331B (en)
BE (1) BE858922A (en)
CH (1) CH621385A5 (en)
DE (1) DE2650930C3 (en)
FR (1) FR2370166A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT355535B (en) * 1978-05-31 1980-03-10 Voest Ag REMOVAL FRAME
CN112049032B (en) * 2020-07-27 2022-05-17 成龙建设集团有限公司 Method for reinforcing municipal highway door opening

Also Published As

Publication number Publication date
ATA561377A (en) 1980-10-15
BE858922A (en) 1978-01-16
FR2370166A1 (en) 1978-06-02
DE2650930A1 (en) 1978-05-11
DE2650930C3 (en) 1979-04-12
CH621385A5 (en) 1981-01-30
DE2650930B2 (en) 1978-08-17
FR2370166B3 (en) 1980-08-08

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee