BE570567A - - Google Patents
Info
- Publication number
- BE570567A BE570567A BE570567DA BE570567A BE 570567 A BE570567 A BE 570567A BE 570567D A BE570567D A BE 570567DA BE 570567 A BE570567 A BE 570567A
- Authority
- BE
- Belgium
- Prior art keywords
- chain
- guide chain
- crew
- planing
- length
- Prior art date
Links
- 239000010813 municipal solid waste Substances 0.000 claims 1
- 238000004873 anchoring Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007665 sagging Methods 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
- E21C29/08—Anchoring arrangements
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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE570567A true BE570567A (enrdf_load_stackoverflow) |
Family
ID=189074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE570567D BE570567A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE570567A (enrdf_load_stackoverflow) |
-
0
- BE BE570567D patent/BE570567A/fr unknown
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