RU97115412A - HYDRAULIC DRILL BIT - Google Patents
HYDRAULIC DRILL BITInfo
- Publication number
- RU97115412A RU97115412A RU97115412/03A RU97115412A RU97115412A RU 97115412 A RU97115412 A RU 97115412A RU 97115412/03 A RU97115412/03 A RU 97115412/03A RU 97115412 A RU97115412 A RU 97115412A RU 97115412 A RU97115412 A RU 97115412A
- Authority
- RU
- Russia
- Prior art keywords
- drill bit
- hydraulic drill
- ring
- coating
- central channel
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 1
- 230000003746 surface roughness Effects 0.000 claims 1
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU97115412A RU2122102C1 (en) | 1997-08-25 | 1997-08-25 | Jetting nozzle of drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU97115412A RU2122102C1 (en) | 1997-08-25 | 1997-08-25 | Jetting nozzle of drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2122102C1 RU2122102C1 (en) | 1998-11-20 |
RU97115412A true RU97115412A (en) | 1999-03-20 |
Family
ID=20197178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU97115412A RU2122102C1 (en) | 1997-08-25 | 1997-08-25 | Jetting nozzle of drill bit |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2122102C1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121544B (en) * | 2016-08-15 | 2019-08-02 | 中国电建集团贵阳勘测设计研究院有限公司 | A awl grinds integral type drill bit for ground stress test |
RU2686735C1 (en) * | 2018-08-20 | 2019-04-30 | Рустем Флитович Гаффанов | Flushing assembly of drilling bit |
-
1997
- 1997-08-25 RU RU97115412A patent/RU2122102C1/en active
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