NO892223D0 - Borkrone. - Google Patents
Borkrone.Info
- Publication number
- NO892223D0 NO892223D0 NO89892223A NO892223A NO892223D0 NO 892223 D0 NO892223 D0 NO 892223D0 NO 89892223 A NO89892223 A NO 89892223A NO 892223 A NO892223 A NO 892223A NO 892223 D0 NO892223 D0 NO 892223D0
- Authority
- NO
- Norway
- Prior art keywords
- bit
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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)
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA883939 | 1988-06-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO892223D0 true NO892223D0 (no) | 1989-06-01 |
NO892223L NO892223L (no) | 1989-12-04 |
Family
ID=25579277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89892223A NO892223L (no) | 1988-06-03 | 1989-06-01 | Borkrone. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0345096A1 (no) |
FI (1) | FI892721A (no) |
NO (1) | NO892223L (no) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO316856B1 (no) * | 2000-12-21 | 2004-06-01 | Moe Per Thomas | Fremgangsmåte ved boring og slagborekrone for utførelse av denne |
GB2516626B (en) * | 2013-07-25 | 2018-01-10 | Padley & Venables Ltd | Percussive Drill Bit |
CN104329029A (zh) * | 2014-11-25 | 2015-02-04 | 安徽理工大学 | 一种冲击钻头 |
PL3760828T3 (pl) * | 2019-07-05 | 2022-06-20 | Sandvik Mining And Construction Tools Ab | Narzędzie wiertnicze |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR983901A (fr) * | 1948-04-30 | 1951-06-29 | Joy Mfg Co | Perfectionnement aux trépans ou fleurets à perforer les roches |
US4296825A (en) * | 1977-11-25 | 1981-10-27 | Sandvik Aktiebolag | Rock drill |
US4304312A (en) * | 1980-01-11 | 1981-12-08 | Sandvik Aktiebolag | Percussion drill bit having centrally projecting insert |
SE452636B (sv) * | 1983-09-20 | 1987-12-07 | Santrade Ltd | Bergborrkrona |
US4730682A (en) * | 1985-12-23 | 1988-03-15 | Ingersoll-Rand Company | Erosion resistant rock drill bit |
-
1989
- 1989-06-01 NO NO89892223A patent/NO892223L/no unknown
- 1989-06-02 FI FI892721A patent/FI892721A/fi not_active Application Discontinuation
- 1989-06-05 EP EP89305634A patent/EP0345096A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI892721A0 (fi) | 1989-06-02 |
EP0345096A1 (en) | 1989-12-06 |
NO892223L (no) | 1989-12-04 |
FI892721A (fi) | 1989-12-04 |
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