BE537195A - - Google Patents
Info
- Publication number
- BE537195A BE537195A BE537195DA BE537195A BE 537195 A BE537195 A BE 537195A BE 537195D A BE537195D A BE 537195DA BE 537195 A BE537195 A BE 537195A
- Authority
- BE
- Belgium
- Prior art keywords
- roof
- cantilever
- rock
- held
- support
- Prior art date
Links
- 239000011435 rock Substances 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims 2
- 210000001061 forehead Anatomy 0.000 description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/06—Cantilever extension or similar protecting devices for use in drifting galleries
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE537195A true BE537195A (cg-RX-API-DMAC7.html) |
Family
ID=167621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE537195D BE537195A (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE537195A (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107902A (en) * | 1958-12-29 | 1963-10-22 | Joy Mfg Co | Method of supporting mine roofs and supporting means therefor |
-
0
- BE BE537195D patent/BE537195A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107902A (en) * | 1958-12-29 | 1963-10-22 | Joy Mfg Co | Method of supporting mine roofs and supporting means therefor |
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