BE636934A - - Google Patents
Info
- Publication number
- BE636934A BE636934A BE636934DA BE636934A BE 636934 A BE636934 A BE 636934A BE 636934D A BE636934D A BE 636934DA BE 636934 A BE636934 A BE 636934A
- Authority
- BE
- Belgium
- Prior art keywords
- tool holder
- traction
- traction member
- plane
- return
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 11
- 210000001061 forehead Anatomy 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 2
- 241001494479 Pecora Species 0.000 description 7
- 239000003610 charcoal Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
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
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/34—Machine propelled along the working face by cable or chain
- E21C27/35—Ram-ploughs
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 Grinding (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE636934A true BE636934A (enrdf_load_stackoverflow) |
Family
ID=202715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE636934D BE636934A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE636934A (enrdf_load_stackoverflow) |
-
0
- BE BE636934D patent/BE636934A/fr unknown
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