JPS6144190B2 - - Google Patents
Info
- Publication number
- JPS6144190B2 JPS6144190B2 JP56032740A JP3274081A JPS6144190B2 JP S6144190 B2 JPS6144190 B2 JP S6144190B2 JP 56032740 A JP56032740 A JP 56032740A JP 3274081 A JP3274081 A JP 3274081A JP S6144190 B2 JPS6144190 B2 JP S6144190B2
- Authority
- JP
- Japan
- Prior art keywords
- water jet
- solid particles
- nozzle
- excavation
- pressure water
- Prior art date
- 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.)
- Expired
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3274081A JPS57146885A (en) | 1981-03-07 | 1981-03-07 | Method and apparatus for drilling sea bottom rock bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3274081A JPS57146885A (en) | 1981-03-07 | 1981-03-07 | Method and apparatus for drilling sea bottom rock bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57146885A JPS57146885A (en) | 1982-09-10 |
| JPS6144190B2 true JPS6144190B2 (2) | 1986-10-01 |
Family
ID=12367229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3274081A Granted JPS57146885A (en) | 1981-03-07 | 1981-03-07 | Method and apparatus for drilling sea bottom rock bed |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57146885A (2) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60203793A (ja) * | 1984-03-29 | 1985-10-15 | 大成建設株式会社 | ウオ−タ−ジエツト式加工装置 |
| CN119754765B (zh) * | 2024-12-13 | 2025-10-31 | 河南理工大学 | 一种液氮射流联合粒子冲击的破岩装置及破岩方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4713842U (2) * | 1971-03-18 | 1972-10-18 |
-
1981
- 1981-03-07 JP JP3274081A patent/JPS57146885A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57146885A (en) | 1982-09-10 |
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