BE479076A - - Google Patents
Info
- Publication number
- BE479076A BE479076A BE479076DA BE479076A BE 479076 A BE479076 A BE 479076A BE 479076D A BE479076D A BE 479076DA BE 479076 A BE479076 A BE 479076A
- Authority
- BE
- Belgium
- Prior art keywords
- head
- hydraulic
- machine according
- wedge
- cutting head
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 22
- 239000003380 propellant Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 101100408384 Danio rerio piwil2 gene Proteins 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material 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
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
- E21C27/128—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with breaking-down members functioning on the slitting level
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)
- Shearing Machines (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479076A true BE479076A (de) |
Family
ID=126664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479076D BE479076A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE479076A (de) |
-
0
- BE BE479076D patent/BE479076A/fr unknown
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