JPS50129403A - - Google Patents
Info
- Publication number
- JPS50129403A JPS50129403A JP50033497A JP3349775A JPS50129403A JP S50129403 A JPS50129403 A JP S50129403A JP 50033497 A JP50033497 A JP 50033497A JP 3349775 A JP3349775 A JP 3349775A JP S50129403 A JPS50129403 A JP S50129403A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
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)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1260074A GB1466700A (en) | 1974-03-21 | 1974-03-21 | Drill bits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50129403A true JPS50129403A (ja) | 1975-10-13 |
Family
ID=10007637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50033497A Pending JPS50129403A (ja) | 1974-03-21 | 1975-03-18 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS50129403A (ja) |
| AT (1) | ATA213575A (ja) |
| AU (1) | AU7923075A (ja) |
| BE (1) | BE826797A (ja) |
| CA (1) | CA1029366A (ja) |
| DE (1) | DE2512652A1 (ja) |
| ES (1) | ES435899A1 (ja) |
| FI (1) | FI750837A (ja) |
| FR (1) | FR2264961B3 (ja) |
| GB (1) | GB1466700A (ja) |
| IE (1) | IE40686B1 (ja) |
| NL (1) | NL7502813A (ja) |
| SE (1) | SE7502904L (ja) |
| ZA (1) | ZA751175B (ja) |
| ZM (1) | ZM2975A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT376765B (de) * | 1978-05-16 | 1984-12-27 | Guergen Karlheinz | Auswechselbare bohrkrone fuer einen bei allen gesteinsarten anwendbaren gesteindrehschlagbohrer und bohrhammer |
| US5996714A (en) * | 1997-07-15 | 1999-12-07 | Kennametal Inc. | Rotatable cutting bit assembly with wedge-lock retention assembly |
| DE19844820A1 (de) * | 1998-09-30 | 2000-04-13 | Holzmann Philipp Ag | Bohrspitze für ein Bohrrohr |
| CN110064739A (zh) * | 2019-05-30 | 2019-07-30 | 广西玉柴机器股份有限公司 | 一种砂型钻头 |
-
1974
- 1974-03-21 GB GB1260074A patent/GB1466700A/en not_active Expired
-
1975
- 1975-02-24 IE IE378/75A patent/IE40686B1/xx unknown
- 1975-02-25 ZA ZA00751175A patent/ZA751175B/xx unknown
- 1975-03-04 ZM ZM29/75A patent/ZM2975A1/xx unknown
- 1975-03-10 NL NL7502813A patent/NL7502813A/xx unknown
- 1975-03-14 SE SE7502904A patent/SE7502904L/xx unknown
- 1975-03-18 FR FR7508344A patent/FR2264961B3/fr not_active Expired
- 1975-03-18 BE BE154428A patent/BE826797A/xx unknown
- 1975-03-18 AU AU79230/75A patent/AU7923075A/en not_active Expired
- 1975-03-18 JP JP50033497A patent/JPS50129403A/ja active Pending
- 1975-03-20 AT AT752135A patent/ATA213575A/de not_active Application Discontinuation
- 1975-03-20 CA CA222,633A patent/CA1029366A/en not_active Expired
- 1975-03-20 FI FI750837A patent/FI750837A/fi not_active Application Discontinuation
- 1975-03-21 DE DE19752512652 patent/DE2512652A1/de active Pending
- 1975-03-21 ES ES435899A patent/ES435899A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2264961B3 (ja) | 1977-11-25 |
| IE40686L (en) | 1975-09-21 |
| GB1466700A (en) | 1977-03-09 |
| DE2512652A1 (de) | 1975-09-25 |
| ZA751175B (en) | 1976-01-28 |
| CA1029366A (en) | 1978-04-11 |
| ZM2975A1 (en) | 1976-01-21 |
| SE7502904L (ja) | 1975-09-22 |
| IE40686B1 (en) | 1979-08-01 |
| AU7923075A (en) | 1976-09-23 |
| FI750837A (ja) | 1975-09-22 |
| NL7502813A (nl) | 1975-09-23 |
| ES435899A1 (es) | 1976-12-16 |
| ATA213575A (de) | 1977-06-15 |
| FR2264961A1 (ja) | 1975-10-17 |
| BE826797A (fr) | 1975-07-16 |