DE303526C - - Google Patents
Info
- Publication number
- DE303526C DE303526C DENDAT303526D DE303526DA DE303526C DE 303526 C DE303526 C DE 303526C DE NDAT303526 D DENDAT303526 D DE NDAT303526D DE 303526D A DE303526D A DE 303526DA DE 303526 C DE303526 C DE 303526C
- Authority
- DE
- Germany
- Prior art keywords
- pin
- drill bit
- drill
- cutting edge
- bayonet lock
- 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 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000004804 winding 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
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 |
|---|---|
| DE303526C true DE303526C (enrdf_load_stackoverflow) |
Family
ID=557233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT303526D Active DE303526C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE303526C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT303526D patent/DE303526C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2624370C3 (de) | Scheibenschneider für Blech o.dgl | |
| DE3242862A1 (de) | Handgeraet mit verstellbarem tiefenanschlag | |
| DE2737492A1 (de) | Mitnehmergabel fuer antriebswellen | |
| DE2409143C2 (de) | Bohrstange | |
| DE303526C (enrdf_load_stackoverflow) | ||
| DE621325C (de) | Werkzeugspindel fuer Werkzeugmaschinen mit einer Vorrichtung zum Festklemmen und Ausstossen des mit einem konischen Schaft versehenen Werkzeuges | |
| DE693842C (de) | Drueckerrosette | |
| WO2002036282A1 (de) | Vorsatzgerät und verfahren zum stanzen von polygonlöchern sowie verfahren zum anbringen von blindnietmuttern oder blindnietschrauben unter verwendung eines solchen vorsatzgerätes | |
| EP0123671B1 (de) | Vorrichtung zum Bohren | |
| DE3413285A1 (de) | Spannvorrichtung fuer werkzeuge, wie bohrer, fraeser oder dgl. | |
| DE966915C (de) | Einrichtung an Werkzeugmaschinen zum schnellen Befestigen und Loesen der Werkzeuge | |
| DE20205832U1 (de) | Haltestiel für drehend zur Wirkung zu bringende Erdbodenbearbeitungselemente | |
| DE1202583B (de) | Schliessbolzen fuer einen Blindniet | |
| EP0061066B1 (de) | Rillenzieher | |
| DE1188529B (de) | Bohrmeissel | |
| DE8335453U1 (de) | Zentrierbohrer für eine Hohlbohrkrone | |
| DE295212C (enrdf_load_stackoverflow) | ||
| DE1254103B (de) | Meissel fuer Kohlenhobel | |
| DE245348C (enrdf_load_stackoverflow) | ||
| DE311413C (enrdf_load_stackoverflow) | ||
| DE259730C (enrdf_load_stackoverflow) | ||
| DE160609C (enrdf_load_stackoverflow) | ||
| DE126767C (enrdf_load_stackoverflow) | ||
| DE200843C (enrdf_load_stackoverflow) | ||
| DE567628C (de) | Schraemwerkzeug fuer Kettenschraemmaschinen |