BE599512A - Advanced support system for mine ceilings - Google Patents
Advanced support system for mine ceilingsInfo
- Publication number
- BE599512A BE599512A BE599512A BE599512A BE599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A BE 599512 A BE599512 A BE 599512A
- Authority
- BE
- Belgium
- Prior art keywords
- support system
- advanced support
- ceilings
- mine
- mine ceilings
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/517—Extension elements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB289960A GB973469A (en) | 1960-01-27 | 1960-01-27 | Improvements in mine roof supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE599512A true BE599512A (en) | 1961-05-16 |
Family
ID=9748127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE599512A BE599512A (en) | 1960-01-27 | 1961-01-26 | Advanced support system for mine ceilings |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE599512A (en) |
| GB (1) | GB973469A (en) |
-
1960
- 1960-01-27 GB GB289960A patent/GB973469A/en not_active Expired
-
1961
- 1961-01-26 BE BE599512A patent/BE599512A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB973469A (en) | 1964-10-28 |
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