DE178835C - - Google Patents
Info
- Publication number
- DE178835C DE178835C DENDAT178835D DE178835DA DE178835C DE 178835 C DE178835 C DE 178835C DE NDAT178835 D DENDAT178835 D DE NDAT178835D DE 178835D A DE178835D A DE 178835DA DE 178835 C DE178835 C DE 178835C
- Authority
- DE
- Germany
- Prior art keywords
- pressure medium
- pawls
- piston
- rotary piston
- channel
- 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
- 238000005553 drilling Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE178835C true DE178835C (cs) |
Family
ID=443196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT178835D Active DE178835C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE178835C (cs) |
-
0
- DE DENDAT178835D patent/DE178835C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19944294A1 (de) | Fremdkraftgetriebener Bohrhammer mit verbessertem Betriebsmodusumschalter | |
| DE2409206A1 (de) | Schlagbohrer | |
| DE2242944A1 (de) | Bohrhammer | |
| DE4028595C2 (cs) | ||
| DE2136523A1 (de) | Elektrobohrhammer | |
| DE2404968A1 (de) | Werkzeug mit eigenem kraftantrieb | |
| EP0373106A2 (de) | Handwerkzeug mit Schaltgetriebe | |
| DE2323268A1 (de) | Schlagbohrmaschine | |
| DE1297559B (de) | Kraftbetaetigtes Schlagwerkzeug | |
| DE2408362A1 (de) | Schlagbohrer | |
| DE1503057B2 (cs) | ||
| DE2657711C2 (de) | Hydraulische Schlagvorrichtung, insbesondere für Gesteinsbohrhämmer | |
| DE178835C (cs) | ||
| EP3789161A1 (de) | Handwerkzeugmaschine | |
| EP2104594B1 (de) | Handwerkzeugmaschine | |
| DE1256597B (de) | Pneumatisch betaetigter Schlagbohrhammer | |
| DE282742C (cs) | ||
| DE183846C (cs) | ||
| DE201367C (cs) | ||
| DE239747C (cs) | ||
| AT216449B (de) | Schlagbohrhammer mit Druckluftantrieb | |
| DE2537517C3 (de) | Schlagbohrmaschine | |
| DE2526511A1 (de) | Zweikolbenbohrhammer | |
| DE2029613C (de) | Bohrhammer | |
| DE117252C (cs) |