DE3875710D1 - Gesteinsbohrer. - Google Patents
Gesteinsbohrer.Info
- Publication number
- DE3875710D1 DE3875710D1 DE8888119291T DE3875710T DE3875710D1 DE 3875710 D1 DE3875710 D1 DE 3875710D1 DE 8888119291 T DE8888119291 T DE 8888119291T DE 3875710 T DE3875710 T DE 3875710T DE 3875710 D1 DE3875710 D1 DE 3875710D1
- Authority
- DE
- Germany
- Prior art keywords
- groove
- drill
- angle
- helical
- gamma
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 abstract 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
-
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888119291T DE3875710D1 (de) | 1987-12-01 | 1988-11-21 | Gesteinsbohrer. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873740692 DE3740692A1 (de) | 1987-09-18 | 1987-12-01 | Gesteinsbohrer |
DE8888119291T DE3875710D1 (de) | 1987-12-01 | 1988-11-21 | Gesteinsbohrer. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3875710D1 true DE3875710D1 (de) | 1992-12-10 |
Family
ID=6341652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888119291T Expired - Lifetime DE3875710D1 (de) | 1987-12-01 | 1988-11-21 | Gesteinsbohrer. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0322554B1 (de) |
DE (1) | DE3875710D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4314868C2 (de) * | 1993-05-05 | 2002-05-16 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
DE10011108A1 (de) * | 2000-03-09 | 2001-09-13 | Hawera Probst Gmbh | Gesteinsbohrer |
DE102011007694A1 (de) * | 2011-04-19 | 2012-10-25 | Robert Bosch Gmbh | Bohrwerkzeug bzw. Verfahren zur Herstellung eines Bohrwerkzeugs |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE832379C (de) * | 1950-06-06 | 1952-02-25 | Carl Sauer | Mauer- und Betonschlangenbohrer sowie Verfahren zu seiner Herstellung |
US3360960A (en) * | 1966-02-16 | 1968-01-02 | Houston Oil Field Mat Co Inc | Helical grooved tubular drill string |
DE2350985A1 (de) * | 1973-10-11 | 1975-04-24 | Uwe C Seefluth | Gesteinsbohrer mit vorrichtung zur absaugung des bohrstaubes |
DE3317989A1 (de) * | 1983-05-18 | 1984-11-22 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Bohrwerkzeug |
DE3517560A1 (de) * | 1985-05-15 | 1986-11-20 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Austausch-foerderwendel fuer gesteinsbohrer |
DE3544433C2 (de) * | 1985-12-16 | 1995-12-14 | Hilti Ag | Gesteinsbohrer |
-
1988
- 1988-11-21 EP EP88119291A patent/EP0322554B1/de not_active Expired - Lifetime
- 1988-11-21 DE DE8888119291T patent/DE3875710D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0322554A1 (de) | 1989-07-05 |
EP0322554B1 (de) | 1992-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |