BE425915A - - Google Patents
Info
- Publication number
- BE425915A BE425915A BE425915DA BE425915A BE 425915 A BE425915 A BE 425915A BE 425915D A BE425915D A BE 425915DA BE 425915 A BE425915 A BE 425915A
- Authority
- BE
- Belgium
- Prior art keywords
- rigid
- prop
- hollow element
- tube
- hollow
- Prior art date
Links
- 238000003466 welding Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003351 stiffener 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
- E21D15/02—Non-telescopic props
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)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425915A true BE425915A (enExample) |
Family
ID=86818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425915D BE425915A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE425915A (enExample) |
-
0
- BE BE425915D patent/BE425915A/fr unknown
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