BE380891A - - Google Patents
Info
- Publication number
- BE380891A BE380891A BE380891DA BE380891A BE 380891 A BE380891 A BE 380891A BE 380891D A BE380891D A BE 380891DA BE 380891 A BE380891 A BE 380891A
- Authority
- BE
- Belgium
- Prior art keywords
- cap
- rail
- flat
- wedge
- slots
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/34—Joints between vertical props and horizontal top bars
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380891A true BE380891A (cs) |
Family
ID=50544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380891D BE380891A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE380891A (cs) |
-
0
- BE BE380891D patent/BE380891A/fr unknown
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