BE667793A - - Google Patents

Info

Publication number
BE667793A
BE667793A BE667793DA BE667793A BE 667793 A BE667793 A BE 667793A BE 667793D A BE667793D A BE 667793DA BE 667793 A BE667793 A BE 667793A
Authority
BE
Belgium
Prior art keywords
support
intermediate piece
sleeve
sliding
notched
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Publication of BE667793A publication Critical patent/BE667793A/fr

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
    • E21D11/183—Supporting means for arch members, not provided for in E21D11/22
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
BE667793D 1964-08-05 1965-08-02 BE667793A (en(2012))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6408945A NL6408945A (en(2012)) 1964-08-05 1964-08-05

Publications (1)

Publication Number Publication Date
BE667793A true BE667793A (en(2012)) 1966-02-02

Family

ID=19790699

Family Applications (1)

Application Number Title Priority Date Filing Date
BE667793D BE667793A (en(2012)) 1964-08-05 1965-08-02

Country Status (3)

Country Link
BE (1) BE667793A (en(2012))
DE (1) DE1930023U (en(2012))
NL (1) NL6408945A (en(2012))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU63057A1 (en(2012)) 1971-04-23 1972-12-11 Oreal

Also Published As

Publication number Publication date
DE1930023U (de) 1965-12-30
NL6408945A (en(2012)) 1966-02-07

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