BE484200A - - Google Patents
Info
- Publication number
- BE484200A BE484200A BE484200DA BE484200A BE 484200 A BE484200 A BE 484200A BE 484200D A BE484200D A BE 484200DA BE 484200 A BE484200 A BE 484200A
- Authority
- BE
- Belgium
- Prior art keywords
- coal
- installation
- teeth
- grooves
- rails
- Prior art date
Links
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
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/14—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges
- E21C27/16—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges with means for both slitting and breaking-down
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)
- Ship Loading And Unloading (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE484200A true BE484200A (enrdf_load_stackoverflow) |
Family
ID=130417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE484200D BE484200A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE484200A (enrdf_load_stackoverflow) |
-
0
- BE BE484200D patent/BE484200A/fr unknown
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