GB1120318A - Roof girder for mining workings - Google Patents
Roof girder for mining workingsInfo
- Publication number
- GB1120318A GB1120318A GB4697265A GB4697265A GB1120318A GB 1120318 A GB1120318 A GB 1120318A GB 4697265 A GB4697265 A GB 4697265A GB 4697265 A GB4697265 A GB 4697265A GB 1120318 A GB1120318 A GB 1120318A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nov
- roof girder
- roof support
- mine roof
- prop
- 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
- 238000005065 mining Methods 0.000 title 1
- 230000003245 working effect Effects 0.000 title 1
- 238000012856 packing 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
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)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
1,120,318. Mine roof support beams. GEWERKSCHAFT EISENHUTTE WESTFALIA. 5 Nov., 1965 [7 Nov., 1964], No. 46972/65. Heading E1E. A mine roof support girder system consists of two beams 10 spaced apart by a member 12 which is shaped as shown and provided with a spherical seating for a pit prop 23, the members 10, 12, 22 being interconnected by bolts 16 with the interposition of packing pieces 17 as necessary. For cross-sectional shape of member 12 remote from the prop seating, Fig. 3 (not shown) should be referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0041972 | 1964-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1120318A true GB1120318A (en) | 1968-07-17 |
Family
ID=7126814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4697265A Expired GB1120318A (en) | 1964-11-07 | 1965-11-05 | Roof girder for mining workings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1120318A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095432A (en) * | 1975-05-22 | 1978-06-20 | Fletcher Sutcliffe Wild Limited | Mine roof supports |
-
1965
- 1965-11-05 GB GB4697265A patent/GB1120318A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095432A (en) * | 1975-05-22 | 1978-06-20 | Fletcher Sutcliffe Wild Limited | Mine roof supports |
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