BE355455A - - Google Patents
Info
- Publication number
- BE355455A BE355455A BE355455DA BE355455A BE 355455 A BE355455 A BE 355455A BE 355455D A BE355455D A BE 355455DA BE 355455 A BE355455 A BE 355455A
- Authority
- BE
- Belgium
- Prior art keywords
- air
- pipe
- path
- vertical
- current
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 58
- 230000005484 gravity Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000717 retained effect Effects 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)
- Air Transport Of Granular Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE355455A true BE355455A (enExample) |
Family
ID=29699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE355455D BE355455A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE355455A (enExample) |
-
0
- BE BE355455D patent/BE355455A/fr unknown
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