BE555053A - - Google Patents
Info
- Publication number
- BE555053A BE555053A BE555053DA BE555053A BE 555053 A BE555053 A BE 555053A BE 555053D A BE555053D A BE 555053DA BE 555053 A BE555053 A BE 555053A
- Authority
- BE
- Belgium
- Prior art keywords
- cylinder
- vein
- coal
- hydraulic cylinder
- desc
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 6
- 210000003462 vein Anatomy 0.000 description 7
- 239000003610 charcoal Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002940 vitrain 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)
- Structure Of Belt Conveyors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE555053A true BE555053A (fi) |
Family
ID=179297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE555053D BE555053A (fi) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE555053A (fi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2207241A1 (fi) * | 1972-11-21 | 1974-06-14 | Sp Konstruktors |
-
0
- BE BE555053D patent/BE555053A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2207241A1 (fi) * | 1972-11-21 | 1974-06-14 | Sp Konstruktors |
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