DE241507C - - Google Patents
Info
- Publication number
- DE241507C DE241507C DENDAT241507D DE241507DA DE241507C DE 241507 C DE241507 C DE 241507C DE NDAT241507 D DENDAT241507 D DE NDAT241507D DE 241507D A DE241507D A DE 241507DA DE 241507 C DE241507 C DE 241507C
- Authority
- DE
- Germany
- Prior art keywords
- cutting
- piston
- support
- hammer
- tool
- 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
- 239000011435 rock Substances 0.000 description 2
- 239000003245 coal Substances 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
- E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/22—Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE241507C true DE241507C (ca) |
Family
ID=500800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT241507D Active DE241507C (ca) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE241507C (ca) |
-
0
- DE DENDAT241507D patent/DE241507C/de active Active
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