BE554247A - - Google Patents
Info
- Publication number
- BE554247A BE554247A BE554247DA BE554247A BE 554247 A BE554247 A BE 554247A BE 554247D A BE554247D A BE 554247DA BE 554247 A BE554247 A BE 554247A
- Authority
- BE
- Belgium
- Prior art keywords
- key
- bolt
- rod
- keys
- fixed
- Prior art date
Links
- 239000011435 rock Substances 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 101100080277 Caenorhabditis elegans ncr-1 gene Proteins 0.000 description 1
- 241000950314 Figura Species 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE554247A true BE554247A (enExample) |
Family
ID=178755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE554247D BE554247A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE554247A (enExample) |
-
0
- BE BE554247D patent/BE554247A/fr unknown
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