BE474607A - - Google Patents
Info
- Publication number
- BE474607A BE474607A BE474607DA BE474607A BE 474607 A BE474607 A BE 474607A BE 474607D A BE474607D A BE 474607DA BE 474607 A BE474607 A BE 474607A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- lifting
- rollers
- roller
- props
- Prior art date
Links
- 230000009467 reduction Effects 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000284 resting effect Effects 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
- E21D15/58—Devices for setting props or chocks
- E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474607A true BE474607A (en(2012)) |
Family
ID=123567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474607D BE474607A (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE474607A (en(2012)) |
-
0
- BE BE474607D patent/BE474607A/fr unknown
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