GB690030A - Improvements in section irons and structures made therefrom - Google Patents

Improvements in section irons and structures made therefrom

Info

Publication number
GB690030A
GB690030A GB11678/49A GB1167849A GB690030A GB 690030 A GB690030 A GB 690030A GB 11678/49 A GB11678/49 A GB 11678/49A GB 1167849 A GB1167849 A GB 1167849A GB 690030 A GB690030 A GB 690030A
Authority
GB
United Kingdom
Prior art keywords
irons
made therefrom
structures made
channel
section
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
GB11678/49A
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.)
fur VERWERTUNGEN und INVESTITI
Original Assignee
fur VERWERTUNGEN und INVESTITI
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 fur VERWERTUNGEN und INVESTITI filed Critical fur VERWERTUNGEN und INVESTITI
Publication of GB690030A publication Critical patent/GB690030A/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
    • E21D11/20—Special cross- sections, e.g. corrugated

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)
  • Electroluminescent Light Sources (AREA)
  • Catching Or Destruction (AREA)
  • Bipolar Transistors (AREA)

Abstract

690,030. Piling. AKT.-GES. FUR VERWERTUNGEN UND INVESTITIONEN. May 2, 1949 [May 3, 1948; May 3, 1948], Nos. 11678/49 and 11679/49. Class 68(ii) [Also in Groups X and XXXIII] Substantially V-shaped channel irons may be nested and clamped together to form mine props, posts &c. The Specification as open to inspection under Sect. 91, comprises also, channel irons of this shape arranged in pairs with their openings opposed to each other and with their channel bases located in section irons 195, Fig. 29 (Cancelled). When forming a corner the arrangement shown by the irons 196 is employed. This subjectmatter does not appear in the Specification as accepted.
GB11678/49A 1948-05-03 1949-05-02 Improvements in section irons and structures made therefrom Expired GB690030A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH690030X 1948-05-03

Publications (1)

Publication Number Publication Date
GB690030A true GB690030A (en) 1953-04-08

Family

ID=4529155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11678/49A Expired GB690030A (en) 1948-05-03 1949-05-02 Improvements in section irons and structures made therefrom

Country Status (1)

Country Link
GB (1) GB690030A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017972A (en) * 1959-11-12 1962-01-23 Van Rensselaer P Saxe Connection units
DE1124901B (en) * 1953-07-04 1962-03-08 Steinkohlenbergwerk Friedrich Compression-compliant connection for the nested profiles in the case of track expansion frames made of channel profiles
GB2141159A (en) * 1983-06-03 1984-12-12 Kloeckner Werke Ag Device for connecting adjacent segments of tunnel-wall support arches in underground tunnels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124901B (en) * 1953-07-04 1962-03-08 Steinkohlenbergwerk Friedrich Compression-compliant connection for the nested profiles in the case of track expansion frames made of channel profiles
US3017972A (en) * 1959-11-12 1962-01-23 Van Rensselaer P Saxe Connection units
GB2141159A (en) * 1983-06-03 1984-12-12 Kloeckner Werke Ag Device for connecting adjacent segments of tunnel-wall support arches in underground tunnels

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