DE249234C - - Google Patents
Info
- Publication number
- DE249234C DE249234C DENDAT249234D DE249234DA DE249234C DE 249234 C DE249234 C DE 249234C DE NDAT249234 D DENDAT249234 D DE NDAT249234D DE 249234D A DE249234D A DE 249234DA DE 249234 C DE249234 C DE 249234C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- knife
- plate
- cutout
- auger
- 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
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B11/00—Other drilling tools
- E21B11/005—Hand operated drilling tools
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249234C true DE249234C (cs) |
Family
ID=507875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT249234D Active DE249234C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE249234C (cs) |
-
0
- DE DENDAT249234D patent/DE249234C/de active Active
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