BE659998A - - Google Patents

Info

Publication number
BE659998A
BE659998A BE659998DA BE659998A BE 659998 A BE659998 A BE 659998A BE 659998D A BE659998D A BE 659998DA BE 659998 A BE659998 A BE 659998A
Authority
BE
Belgium
Prior art keywords
sheath
cutting members
support
support according
pipe
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 BE659998A publication Critical patent/BE659998A/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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE659998D 1964-02-20 1965-02-19 BE659998A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6401544A NL6401544A (enrdf_load_html_response) 1964-02-20 1964-02-20

Publications (1)

Publication Number Publication Date
BE659998A true BE659998A (enrdf_load_html_response) 1965-08-19

Family

ID=19789338

Family Applications (1)

Application Number Title Priority Date Filing Date
BE659998D BE659998A (enrdf_load_html_response) 1964-02-20 1965-02-19

Country Status (3)

Country Link
BE (1) BE659998A (enrdf_load_html_response)
DE (1) DE1936509U (enrdf_load_html_response)
NL (1) NL6401544A (enrdf_load_html_response)

Also Published As

Publication number Publication date
NL6401544A (enrdf_load_html_response) 1965-08-23
DE1936509U (de) 1966-04-14

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