GB736254A - Improvements relating to beams or girders - Google Patents

Improvements relating to beams or girders

Info

Publication number
GB736254A
GB736254A GB1587053A GB1587053A GB736254A GB 736254 A GB736254 A GB 736254A GB 1587053 A GB1587053 A GB 1587053A GB 1587053 A GB1587053 A GB 1587053A GB 736254 A GB736254 A GB 736254A
Authority
GB
United Kingdom
Prior art keywords
girders
beams
improvements relating
web
mine roofs
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
GB1587053A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1587053A priority Critical patent/GB736254A/en
Publication of GB736254A publication Critical patent/GB736254A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

736,254. Girders, particularly for supporting mine roofs. REPPEL, W. June 9, 1953, No. 15870/53. Class 20 (2). An I-section beam, more particularly for supporting mine roofs, has a web 1 which undulates in the longitudinal direction and has strengthening ribs 2 the same height as the web. Two beams are connected by end 4 to jaw 3 as described in Specification 729,171.
GB1587053A 1953-06-09 1953-06-09 Improvements relating to beams or girders Expired GB736254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1587053A GB736254A (en) 1953-06-09 1953-06-09 Improvements relating to beams or girders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1587053A GB736254A (en) 1953-06-09 1953-06-09 Improvements relating to beams or girders

Publications (1)

Publication Number Publication Date
GB736254A true GB736254A (en) 1955-09-07

Family

ID=10067015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1587053A Expired GB736254A (en) 1953-06-09 1953-06-09 Improvements relating to beams or girders

Country Status (1)

Country Link
GB (1) GB736254A (en)

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