DE198042C - - Google Patents
Info
- Publication number
- DE198042C DE198042C DENDAT198042D DE198042DA DE198042C DE 198042 C DE198042 C DE 198042C DE NDAT198042 D DENDAT198042 D DE NDAT198042D DE 198042D A DE198042D A DE 198042DA DE 198042 C DE198042 C DE 198042C
- Authority
- DE
- Germany
- Prior art keywords
- chisels
- cutting
- chisel
- another
- cutting machine
- 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
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000035939 shock Effects 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
- E21C25/02—Machines slitting solely by one or more percussive tools moved through the seam
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)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE198042C true DE198042C (enExample) |
Family
ID=460874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT198042D Active DE198042C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE198042C (enExample) |
-
0
- DE DENDAT198042D patent/DE198042C/de active Active
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