DE253152C - - Google Patents
Info
- Publication number
- DE253152C DE253152C DENDAT253152D DE253152DA DE253152C DE 253152 C DE253152 C DE 253152C DE NDAT253152 D DENDAT253152 D DE NDAT253152D DE 253152D A DE253152D A DE 253152DA DE 253152 C DE253152 C DE 253152C
- Authority
- DE
- Germany
- Prior art keywords
- housing
- worm wheel
- drill
- worm
- square
- 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 claims 1
- 238000005553 drilling Methods 0.000 description 4
- 238000009527 percussion Methods 0.000 description 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000010521 absorption reaction Methods 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
- E21B6/08—Separate drives for percussion and rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE253152C true DE253152C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=511446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT253152D Active DE253152C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE253152C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1012879B (de) * | 1951-04-19 | 1957-08-01 | Atlas Copco Ab | Gesteinshammerbohrmaschine od. dgl. mit einem Hammerkolben |
| DE19734140A1 (de) * | 1997-08-07 | 1999-02-11 | Hawera Probst Gmbh | Bohrwerkzeug |
-
0
- DE DENDAT253152D patent/DE253152C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1012879B (de) * | 1951-04-19 | 1957-08-01 | Atlas Copco Ab | Gesteinshammerbohrmaschine od. dgl. mit einem Hammerkolben |
| DE19734140A1 (de) * | 1997-08-07 | 1999-02-11 | Hawera Probst Gmbh | Bohrwerkzeug |
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