BE469821A - - Google Patents
Info
- Publication number
- BE469821A BE469821A BE469821DA BE469821A BE 469821 A BE469821 A BE 469821A BE 469821D A BE469821D A BE 469821DA BE 469821 A BE469821 A BE 469821A
- Authority
- BE
- Belgium
- Prior art keywords
- foils
- series
- head
- cutting
- machine
- Prior art date
Links
- 239000011888 foil Substances 0.000 claims description 64
- 238000005520 cutting process Methods 0.000 claims description 35
- 238000005065 mining Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 description 10
- 239000011162 core material Substances 0.000 description 10
- 239000003610 charcoal Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000010878 waste rock Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21C25/58—Machines slitting by drilling hole on hole
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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469821A true BE469821A (de) |
Family
ID=120163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469821D BE469821A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE469821A (de) |
-
0
- BE BE469821D patent/BE469821A/fr unknown
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