DE210269C - - Google Patents
Info
- Publication number
- DE210269C DE210269C DENDAT210269D DE210269DA DE210269C DE 210269 C DE210269 C DE 210269C DE NDAT210269 D DENDAT210269 D DE NDAT210269D DE 210269D A DE210269D A DE 210269DA DE 210269 C DE210269 C DE 210269C
- Authority
- DE
- Germany
- Prior art keywords
- protective sleeve
- arm
- support
- drill
- support frame
- 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
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000011435 rock Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 description 4
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000007787 solid 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE210269C true DE210269C (enrdf_load_stackoverflow) |
Family
ID=472175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT210269D Active DE210269C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE210269C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT210269D patent/DE210269C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2315227A1 (de) | Verfahren und vorrichtung zum rotieren von rohren | |
| DE210269C (enrdf_load_stackoverflow) | ||
| DE346157C (de) | Drehstahlhalter | |
| DE1278968B (de) | Druckluftschlagwerkzeug | |
| DE179977C (enrdf_load_stackoverflow) | ||
| DE314695C (enrdf_load_stackoverflow) | ||
| DE568527C (de) | Vorschubvorrichtung fuer Gesteinsbohrmaschinen | |
| DE823688C (de) | Bohrgeraet zur Erzeugung von Bohrungen polygonalen Querschnittes | |
| DE63194C (de) | Universalwerkzeug | |
| CH232680A (de) | Vorrichtung zum Festspannen von zu bohrenden Werkstücken. | |
| DE259043C (enrdf_load_stackoverflow) | ||
| DE218433C (enrdf_load_stackoverflow) | ||
| DE131416C (enrdf_load_stackoverflow) | ||
| DE260007C (enrdf_load_stackoverflow) | ||
| DE73144C (de) | Mitnehmer für Drehbänke | |
| DE681194C (de) | Saegenschaerfvorrichtung mit in einer zur Saege einstellbaren Fuehrung gleitender Feile und einem die Fuehrung tragenden, an der Saege befestigten Halter | |
| DE40156C (de) | Klemmvorrichtung | |
| DE1017114B (de) | Bohrstange mit abnehmbarer Bohrkrone | |
| DE174092C (enrdf_load_stackoverflow) | ||
| DE217306C (enrdf_load_stackoverflow) | ||
| DE528613C (de) | Spannzwinge | |
| DE519135C (de) | Zange oder Rohrschluessel fuer Erdbohrungen, bestehend aus mehreren aneinandergelenkten Backengliedern | |
| DE223470C (enrdf_load_stackoverflow) | ||
| DE811883C (de) | Handbodenfraese mit wahlweise einstellbarer Ackerbreite | |
| DE126767C (enrdf_load_stackoverflow) |