BE538359A - - Google Patents
Info
- Publication number
- BE538359A BE538359A BE538359DA BE538359A BE 538359 A BE538359 A BE 538359A BE 538359D A BE538359D A BE 538359DA BE 538359 A BE538359 A BE 538359A
- Authority
- BE
- Belgium
- Prior art keywords
- path
- chain
- frames
- machine according
- frame
- Prior art date
Links
- 210000003462 vein Anatomy 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
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
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
- E21C27/04—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means
- E21C27/06—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means with a slewing frame
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)
- Excavating Of Shafts Or Tunnels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538359A true BE538359A (de) |
Family
ID=168410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538359D BE538359A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE538359A (de) |
-
0
- BE BE538359D patent/BE538359A/fr unknown
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