DE245616C - - Google Patents
Info
- Publication number
- DE245616C DE245616C DENDAT245616D DE245616DA DE245616C DE 245616 C DE245616 C DE 245616C DE NDAT245616 D DENDAT245616 D DE NDAT245616D DE 245616D A DE245616D A DE 245616DA DE 245616 C DE245616 C DE 245616C
- Authority
- DE
- Germany
- Prior art keywords
- towing track
- shaft
- cutting machine
- track
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000032258 transport Effects 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
- E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
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 |
|---|---|
| DE245616C true DE245616C (cs) |
Family
ID=504561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT245616D Active DE245616C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE245616C (cs) |
-
0
- DE DENDAT245616D patent/DE245616C/de active Active
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