GB736254A - Improvements relating to beams or girders - Google Patents
Improvements relating to beams or girdersInfo
- 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
Links
- 238000005728 strengthening Methods 0.000 abstract 1
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.
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) |
-
1953
- 1953-06-09 GB GB1587053A patent/GB736254A/en not_active Expired
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