DE222274C - - Google Patents
Info
- Publication number
- DE222274C DE222274C DENDAT222274D DE222274DA DE222274C DE 222274 C DE222274 C DE 222274C DE NDAT222274 D DENDAT222274 D DE NDAT222274D DE 222274D A DE222274D A DE 222274DA DE 222274 C DE222274 C DE 222274C
- Authority
- DE
- Germany
- Prior art keywords
- wing
- screw
- section
- pipe
- wings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010802 sludge Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Screw Conveyors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE222274C true DE222274C (enrdf_load_stackoverflow) |
Family
ID=483183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT222274D Active DE222274C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE222274C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT222274D patent/DE222274C/de active Active
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