ZA795460B - A rock drilling tool - Google Patents
A rock drilling toolInfo
- Publication number
- ZA795460B ZA795460B ZA00795460A ZA795460A ZA795460B ZA 795460 B ZA795460 B ZA 795460B ZA 00795460 A ZA00795460 A ZA 00795460A ZA 795460 A ZA795460 A ZA 795460A ZA 795460 B ZA795460 B ZA 795460B
- Authority
- ZA
- South Africa
- Prior art keywords
- drilling tool
- rock drilling
- rock
- tool
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 239000011435 rock Substances 0.000 title 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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7810992 | 1978-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA795460B true ZA795460B (en) | 1980-10-29 |
Family
ID=20336161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00795460A ZA795460B (en) | 1978-10-23 | 1979-10-12 | A rock drilling tool |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU5146579A (en) |
DE (1) | DE2940274A1 (en) |
FR (1) | FR2439868A1 (en) |
GB (1) | GB2033454B (en) |
ZA (1) | ZA795460B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361197A (en) * | 1980-09-24 | 1982-11-30 | Kennametal Inc. | Blast hole grooving bit and wear resistant compact |
CN113404435B (en) * | 2021-07-12 | 2022-04-12 | 潍坊盛德石油机械制造有限公司 | Eccentric drill bit and drilling equipment |
EP4239159A1 (en) * | 2022-03-04 | 2023-09-06 | Sandvik Mining and Construction Tools AB | Central flushing channel comprising id marker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1003544A (en) * | 1947-01-21 | 1952-03-19 | Lorraine Carbone | Improvements in percussion mine cutters |
DE1920510A1 (en) * | 1969-04-23 | 1970-11-12 | John Higgins | Drill bit for rock drill |
DE2718920A1 (en) * | 1977-04-28 | 1978-11-09 | Wallram Hartmetall Gmbh | Stone cutting head with three radial cutting inserts - has hard metal plate shaped inserts with convex cutting faces |
-
1979
- 1979-10-04 DE DE19792940274 patent/DE2940274A1/en not_active Ceased
- 1979-10-04 GB GB7934466A patent/GB2033454B/en not_active Expired
- 1979-10-04 AU AU51465/79A patent/AU5146579A/en not_active Abandoned
- 1979-10-12 ZA ZA00795460A patent/ZA795460B/en unknown
- 1979-10-16 FR FR7925697A patent/FR2439868A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2033454B (en) | 1982-09-22 |
AU5146579A (en) | 1980-05-01 |
FR2439868B3 (en) | 1981-10-16 |
DE2940274A1 (en) | 1980-04-30 |
FR2439868A1 (en) | 1980-05-23 |
GB2033454A (en) | 1980-05-21 |
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