BE461091A - - Google Patents
Info
- Publication number
- BE461091A BE461091A BE461091DA BE461091A BE 461091 A BE461091 A BE 461091A BE 461091D A BE461091D A BE 461091DA BE 461091 A BE461091 A BE 461091A
- Authority
- BE
- Belgium
- Prior art keywords
- groups
- knives
- knife
- machine
- chains
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 2
- 230000010006 flight Effects 0.000 claims 5
- 239000004606 Fillers/Extenders Substances 0.000 claims 2
- 239000003245 coal Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 206010048232 Yawning Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004904 shortening Methods 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
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
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 |
|---|---|
| BE461091A true BE461091A (de) |
Family
ID=113815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE461091D BE461091A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE461091A (de) |
-
0
- BE BE461091D patent/BE461091A/fr unknown
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