BE494564A - - Google Patents
Info
- Publication number
- BE494564A BE494564A BE494564DA BE494564A BE 494564 A BE494564 A BE 494564A BE 494564D A BE494564D A BE 494564DA BE 494564 A BE494564 A BE 494564A
- Authority
- BE
- Belgium
- Prior art keywords
- cable
- machine
- hauling
- plunger
- cylinder
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims 1
- 238000003307 slaughter Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
- E21C29/12—Machines propelled by thrust or pull against a part alternately anchored to and released from a cable or chain
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)
- Manufacturing Of Electrical Connectors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE494564A true BE494564A (pm) |
Family
ID=138290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE494564D BE494564A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE494564A (pm) |
-
0
- BE BE494564D patent/BE494564A/fr unknown
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