BE473316A - - Google Patents
Info
- Publication number
- BE473316A BE473316A BE473316DA BE473316A BE 473316 A BE473316 A BE 473316A BE 473316D A BE473316D A BE 473316DA BE 473316 A BE473316 A BE 473316A
- Authority
- BE
- Belgium
- Prior art keywords
- pneumatic
- support
- cylinder
- coal
- hammers
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/46—Mineral freed by means not involving slitting by percussed planing means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473316A true BE473316A (enrdf_load_stackoverflow) |
Family
ID=122642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473316D BE473316A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE473316A (enrdf_load_stackoverflow) |
-
0
- BE BE473316D patent/BE473316A/fr unknown
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