BE518972A - - Google Patents
Info
- Publication number
- BE518972A BE518972A BE518972DA BE518972A BE 518972 A BE518972 A BE 518972A BE 518972D A BE518972D A BE 518972DA BE 518972 A BE518972 A BE 518972A
- Authority
- BE
- Belgium
- Prior art keywords
- machine according
- conveyor
- machine
- jacks
- carried
- Prior art date
Links
- 239000000969 carrier Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 2
- 241000251131 Sphyrna Species 0.000 claims 1
- 239000003245 coal Substances 0.000 description 13
- 210000003462 vein Anatomy 0.000 description 6
- 230000035515 penetration Effects 0.000 description 3
- 238000013138 pruning Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 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
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)
- Excavating Of Shafts Or Tunnels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518972A true BE518972A (enrdf_load_stackoverflow) |
Family
ID=155349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518972D BE518972A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE518972A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2427461A1 (fr) * | 1978-05-31 | 1979-12-28 | Dobson Park Ind | Excavatrice travaillant en souterrain |
| US4360235A (en) * | 1979-12-26 | 1982-11-23 | John J. Simala | Cutting and chiseling assembly for mining machine and method performed thereby |
-
0
- BE BE518972D patent/BE518972A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2427461A1 (fr) * | 1978-05-31 | 1979-12-28 | Dobson Park Ind | Excavatrice travaillant en souterrain |
| US4360235A (en) * | 1979-12-26 | 1982-11-23 | John J. Simala | Cutting and chiseling assembly for mining machine and method performed thereby |
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