BE497327A - - Google Patents
Info
- Publication number
- BE497327A BE497327A BE497327DA BE497327A BE 497327 A BE497327 A BE 497327A BE 497327D A BE497327D A BE 497327DA BE 497327 A BE497327 A BE 497327A
- Authority
- BE
- Belgium
- Prior art keywords
- extension
- prop
- driving end
- shoe
- mine
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 3
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003462 vein Anatomy 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
- E21D15/50—Component parts or details of props
- E21D15/52—Extensible units located above or below standard 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)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE497327A true BE497327A (https=) |
Family
ID=140324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE497327D BE497327A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE497327A (https=) |
-
0
- BE BE497327D patent/BE497327A/fr unknown
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