BE526457A - - Google Patents
Info
- Publication number
- BE526457A BE526457A BE526457DA BE526457A BE 526457 A BE526457 A BE 526457A BE 526457D A BE526457D A BE 526457DA BE 526457 A BE526457 A BE 526457A
- Authority
- BE
- Belgium
- Prior art keywords
- pillar
- pillar according
- locking
- lock
- wedge
- Prior art date
Links
- 210000000078 claw Anatomy 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- E21D15/60—Devices for withdrawing props or chocks
-
- 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
- E21D15/48—Chocks or the like
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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526457A true BE526457A (enrdf_load_html_response) |
Family
ID=160415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526457D BE526457A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE526457A (enrdf_load_html_response) |
-
0
- BE BE526457D patent/BE526457A/fr unknown
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