GB733487A - Improvements in or relating to mine road walling - Google Patents

Improvements in or relating to mine road walling

Info

Publication number
GB733487A
GB733487A GB14379/52A GB1437952A GB733487A GB 733487 A GB733487 A GB 733487A GB 14379/52 A GB14379/52 A GB 14379/52A GB 1437952 A GB1437952 A GB 1437952A GB 733487 A GB733487 A GB 733487A
Authority
GB
United Kingdom
Prior art keywords
walling
relating
clamps
girders
arch
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
GB14379/52A
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.)
Bergbaustahl & Co GmbH
Bergbaustahl GmbH
Original Assignee
Bergbaustahl & Co GmbH
Bergbaustahl GmbH
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 Bergbaustahl & Co GmbH, Bergbaustahl GmbH filed Critical Bergbaustahl & Co GmbH
Publication of GB733487A publication Critical patent/GB733487A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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

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)

Abstract

733,487. Arch supports in mines. BERGBAUSTAHL GES. June 6, 1952 [June 6, 1951], No. 14379/52. Class 20 (2). Overlapping U-section girders a, b, Fig. 1, of a mine arch support are clamped one inside the other by clamps comprising hook bolts e, Fig. 2, and clips f, the clamps being made to move with the girders a, h on yielding of the arch by closed or open shackles g, h which grip behind the clamps and on the end edges of the girders a, b as shown in Fig. 1.
GB14379/52A 1951-06-06 1952-06-06 Improvements in or relating to mine road walling Expired GB733487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE733487X 1951-06-06

Publications (1)

Publication Number Publication Date
GB733487A true GB733487A (en) 1955-07-13

Family

ID=6640711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14379/52A Expired GB733487A (en) 1951-06-06 1952-06-06 Improvements in or relating to mine road walling

Country Status (1)

Country Link
GB (1) GB733487A (en)

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