DE88167C - - Google Patents
Info
- Publication number
- DE88167C DE88167C DENDAT88167D DE88167DA DE88167C DE 88167 C DE88167 C DE 88167C DE NDAT88167 D DENDAT88167 D DE NDAT88167D DE 88167D A DE88167D A DE 88167DA DE 88167 C DE88167 C DE 88167C
- Authority
- DE
- Germany
- Prior art keywords
- screw
- drill
- around
- lever
- hand
- 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 4
- 239000011435 rock Substances 0.000 claims description 3
- 238000005065 mining 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
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)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE88167C true DE88167C (cs) |
Family
ID=360075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT88167D Active DE88167C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE88167C (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2581667A (en) * | 1946-09-04 | 1952-01-08 | Joy Mfg Co | Mining apparatus |
| DE908603C (de) * | 1949-07-03 | 1954-04-08 | Demag Ag | Vorrichtung zum Sohlbohren mittels eines Schlagbohrhammers |
-
0
- DE DENDAT88167D patent/DE88167C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2581667A (en) * | 1946-09-04 | 1952-01-08 | Joy Mfg Co | Mining apparatus |
| DE908603C (de) * | 1949-07-03 | 1954-04-08 | Demag Ag | Vorrichtung zum Sohlbohren mittels eines Schlagbohrhammers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE88167C (cs) | ||
| DE1203711B (de) | Vorrichtung zum Verdrehen eines Maschinen-teiles um einen weiten Winkel im Verhaeltnis zu einem Maschinengestell, vorzugsweise einer Bohrlafette | |
| DE2040583B2 (de) | Mehrschariger aufsatteldrehpflug | |
| DE72178C (de) | Schwengel-Anordnung für Tiefbohrungen | |
| DE44090C (de) | Vorrichtung zum Verstellen der Höhenlage der Arbeitsschienen bei Falz- und Abbiegeapparaten | |
| DE559482C (de) | Naehmaschinenmoebel mit einem die Fusstrittplatte tragenden Rahmen | |
| DE1096835B (de) | Planiergeraet | |
| DE255715C (cs) | ||
| DE67123C (de) | Handdrehbohrmaschine für Gruben und Steinbrüche | |
| DE68525C (de) | Krafthammer | |
| DE19648C (de) | Schneidemaschine für Papier, Pappe, Leder u. dergl | |
| DE72915C (de) | Zwei- bezw. vierräderige Bockleiter für Feuerwebrzwecke | |
| DE97830C (cs) | ||
| DE108843C (cs) | ||
| DE57354C (de) | Maschine zum Kopiren | |
| DE164230C (cs) | ||
| DE104193C (cs) | ||
| DE172816C (cs) | ||
| DE11842C (de) | Neuerungen an Schweifmaschinen mit drehbarem Sägeblatt | |
| DE290758C (cs) | ||
| DE110223C (cs) | ||
| AT246659B (de) | Universalbagger | |
| DE282405C (cs) | ||
| DE114131C (cs) | ||
| DE200979C (cs) |