BE422692A - - Google Patents
Info
- Publication number
- BE422692A BE422692A BE422692DA BE422692A BE 422692 A BE422692 A BE 422692A BE 422692D A BE422692D A BE 422692DA BE 422692 A BE422692 A BE 422692A
- Authority
- BE
- Belgium
- Prior art keywords
- pick
- support
- bar
- cutting
- frame
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 241000380131 Ammophila arenaria Species 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036346 tooth eruption 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
- E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
- E21C25/50—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with equipment for cleaning the slit
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)
- Framework For Endless Conveyors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422692A true BE422692A (enrdf_load_stackoverflow) |
Family
ID=84304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422692D BE422692A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE422692A (enrdf_load_stackoverflow) |
-
0
- BE BE422692D patent/BE422692A/fr unknown
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