BE353544A - - Google Patents
Info
- Publication number
- BE353544A BE353544A BE353544DA BE353544A BE 353544 A BE353544 A BE 353544A BE 353544D A BE353544D A BE 353544DA BE 353544 A BE353544 A BE 353544A
- Authority
- BE
- Belgium
- Prior art keywords
- machine
- arm
- shaft
- coal
- chopping
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/66—Machines for making slits with additional arrangements for drilling
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)
- Crushing And Pulverization Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE353544A true BE353544A (OSRAM) |
Family
ID=28117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE353544D BE353544A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE353544A (OSRAM) |
-
0
- BE BE353544D patent/BE353544A/fr unknown
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