BE639734A - - Google Patents
Info
- Publication number
- BE639734A BE639734A BE639734DA BE639734A BE 639734 A BE639734 A BE 639734A BE 639734D A BE639734D A BE 639734DA BE 639734 A BE639734 A BE 639734A
- Authority
- BE
- Belgium
- Prior art keywords
- flanders
- support
- roof
- devices
- frame
- Prior art date
Links
- 230000008093 supporting effect Effects 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000036961 partial effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 4
- 239000004606 Fillers/Extenders Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 13
- 210000003462 vein Anatomy 0.000 description 10
- 230000008901 benefit Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000036316 preload Effects 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 101100324465 Caenorhabditis elegans arr-1 gene Proteins 0.000 description 1
- 206010011416 Croup infectious Diseases 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 241000950314 Figura Species 0.000 description 1
- 101100505280 Mus musculus Golga5 gene Proteins 0.000 description 1
- 101100460719 Mus musculus Noto gene Proteins 0.000 description 1
- 241001377010 Pila Species 0.000 description 1
- 101100187345 Xenopus laevis noto gene Proteins 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 201000010549 croup Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 210000004013 groin Anatomy 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical class O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/04—Cantilever extension or similar protecting devices for use in longwall working
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)
- Body Structure For Vehicles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE639734A true BE639734A (enrdf_load_stackoverflow) |
Family
ID=203999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE639734D BE639734A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE639734A (enrdf_load_stackoverflow) |
-
0
- BE BE639734D patent/BE639734A/fr unknown
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