JPH0259273B2 - - Google Patents
Info
- Publication number
- JPH0259273B2 JPH0259273B2 JP57234265A JP23426582A JPH0259273B2 JP H0259273 B2 JPH0259273 B2 JP H0259273B2 JP 57234265 A JP57234265 A JP 57234265A JP 23426582 A JP23426582 A JP 23426582A JP H0259273 B2 JPH0259273 B2 JP H0259273B2
- Authority
- JP
- Japan
- Prior art keywords
- hammer
- air
- drill
- hammer drill
- outside
- 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 - Lifetime
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23426582A JPS59122689A (ja) | 1982-12-28 | 1982-12-28 | 地中への穿孔法及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23426582A JPS59122689A (ja) | 1982-12-28 | 1982-12-28 | 地中への穿孔法及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59122689A JPS59122689A (ja) | 1984-07-16 |
| JPH0259273B2 true JPH0259273B2 (de) | 1990-12-12 |
Family
ID=16968255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23426582A Granted JPS59122689A (ja) | 1982-12-28 | 1982-12-28 | 地中への穿孔法及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59122689A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61290188A (ja) * | 1985-06-17 | 1986-12-20 | 日本ニユ−マチツク工業株式会社 | ハンマ付きア−スオ−ガ |
| JPS62174491A (ja) * | 1986-01-24 | 1987-07-31 | 株式会社 利根ボ−リング | 空圧打撃式掘削装置 |
| JP7320477B2 (ja) * | 2020-05-19 | 2023-08-03 | 大成建設株式会社 | ズリ除去装置およびズリ除去方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5545718A (en) * | 1978-09-27 | 1980-03-31 | Mitsubishi Petrochem Co Ltd | Fractionation of polyolefin resin |
-
1982
- 1982-12-28 JP JP23426582A patent/JPS59122689A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59122689A (ja) | 1984-07-16 |
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