JPS50115101A - - Google Patents
Info
- Publication number
- JPS50115101A JPS50115101A JP49130069A JP13006974A JPS50115101A JP S50115101 A JPS50115101 A JP S50115101A JP 49130069 A JP49130069 A JP 49130069A JP 13006974 A JP13006974 A JP 13006974A JP S50115101 A JPS50115101 A JP S50115101A
- 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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
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 |
|---|---|---|---|
| US05/440,960 US3958645A (en) | 1972-04-24 | 1974-02-11 | Bore hole air hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50115101A true JPS50115101A (ja) | 1975-09-09 |
Family
ID=23750915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49130069A Pending JPS50115101A (ja) | 1974-02-11 | 1974-11-13 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50115101A (ja) |
| CA (1) | CA1013338A (ja) |
| GB (2) | GB1474502A (ja) |
| IN (1) | IN140613B (ja) |
| SE (1) | SE7413460L (ja) |
| ZA (1) | ZA747859B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289690A (ja) * | 1985-10-04 | 1987-04-24 | Nippon Soda Co Ltd | 有機チタン化合物、および、該化合物を有効成分とする表面処理剤 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1885988B1 (en) * | 2005-04-27 | 2015-09-09 | Atlas Copco Secoroc LLC | Exhaust valve and bit assembly for down-hole percussive drills |
| US7992652B2 (en) | 2009-02-05 | 2011-08-09 | Atlas Copco Secoroc Llc | Fluid distributor cylinder for percussive drills |
| US8561730B2 (en) | 2010-03-23 | 2013-10-22 | Atlas Copco Secoroc Llc | Foot valve assembly for a down hole drill |
| CN107829689B (zh) * | 2017-11-21 | 2023-10-31 | 中南大学 | 多向喷射气动潜孔锤钻头 |
-
1974
- 1974-10-25 SE SE7413460A patent/SE7413460L/xx unknown
- 1974-11-01 IN IN2387/CAL/1974A patent/IN140613B/en unknown
- 1974-11-13 JP JP49130069A patent/JPS50115101A/ja active Pending
- 1974-12-10 ZA ZA00747859A patent/ZA747859B/xx unknown
- 1974-12-12 CA CA215,815A patent/CA1013338A/en not_active Expired
-
1975
- 1975-01-16 GB GB4454376A patent/GB1474502A/en not_active Expired
- 1975-01-16 GB GB185475A patent/GB1474501A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289690A (ja) * | 1985-10-04 | 1987-04-24 | Nippon Soda Co Ltd | 有機チタン化合物、および、該化合物を有効成分とする表面処理剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1013338A (en) | 1977-07-05 |
| IN140613B (ja) | 1976-12-11 |
| ZA747859B (en) | 1976-01-28 |
| SE7413460L (ja) | 1975-08-12 |
| AU7565074A (en) | 1976-05-27 |
| GB1474502A (en) | 1977-05-25 |
| GB1474501A (en) | 1977-05-25 |