DE243644C - - Google Patents
Info
- Publication number
- DE243644C DE243644C DENDAT243644D DE243644DA DE243644C DE 243644 C DE243644 C DE 243644C DE NDAT243644 D DENDAT243644 D DE NDAT243644D DE 243644D A DE243644D A DE 243644DA DE 243644 C DE243644 C DE 243644C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- cutting edge
- legs
- recess
- drills
- 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 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 235000015250 liver sausages Nutrition 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material 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
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
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)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE243644C true DE243644C (https=) |
Family
ID=502750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT243644D Active DE243644C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE243644C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1002264B (de) * | 1952-09-29 | 1957-02-14 | Josef Dionisotti | Gesteinsdrehbohrer mit loesbar eingesetzten Schneidstaehlen |
-
0
- DE DENDAT243644D patent/DE243644C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1002264B (de) * | 1952-09-29 | 1957-02-14 | Josef Dionisotti | Gesteinsdrehbohrer mit loesbar eingesetzten Schneidstaehlen |
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