DE222090C - - Google Patents
Info
- Publication number
- DE222090C DE222090C DENDAT222090D DE222090DA DE222090C DE 222090 C DE222090 C DE 222090C DE NDAT222090 D DENDAT222090 D DE NDAT222090D DE 222090D A DE222090D A DE 222090DA DE 222090 C DE222090 C DE 222090C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- drill
- relocating
- drill sleeve
- channels
- 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 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003380 propellant 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
- 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 |
---|---|
DE222090C true DE222090C (zh) |
Family
ID=483011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT222090D Active DE222090C (zh) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE222090C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969081C (de) * | 1952-07-13 | 1958-04-30 | Albert Enners | Schwingbohrhammer, insbesondere fuer Gesteinsbohrarbeiten im Grubenbetrieb |
DE1116173B (de) * | 1958-05-19 | 1961-11-02 | Rudolf Hausherr & Soehne G M B | Schlagbohrhammer |
-
0
- DE DENDAT222090D patent/DE222090C/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969081C (de) * | 1952-07-13 | 1958-04-30 | Albert Enners | Schwingbohrhammer, insbesondere fuer Gesteinsbohrarbeiten im Grubenbetrieb |
DE1116173B (de) * | 1958-05-19 | 1961-11-02 | Rudolf Hausherr & Soehne G M B | Schlagbohrhammer |
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