JPH01180586U - - Google Patents
Info
- Publication number
- JPH01180586U JPH01180586U JP7725188U JP7725188U JPH01180586U JP H01180586 U JPH01180586 U JP H01180586U JP 7725188 U JP7725188 U JP 7725188U JP 7725188 U JP7725188 U JP 7725188U JP H01180586 U JPH01180586 U JP H01180586U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- tip
- bucket
- view
- casing
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077251U JPH07540Y2 (ja) | 1988-06-13 | 1988-06-13 | ボーリングマシンの中掘り掘削装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077251U JPH07540Y2 (ja) | 1988-06-13 | 1988-06-13 | ボーリングマシンの中掘り掘削装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01180586U true JPH01180586U (es) | 1989-12-26 |
| JPH07540Y2 JPH07540Y2 (ja) | 1995-01-11 |
Family
ID=31302247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988077251U Expired - Lifetime JPH07540Y2 (ja) | 1988-06-13 | 1988-06-13 | ボーリングマシンの中掘り掘削装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07540Y2 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101598198B1 (ko) * | 2014-04-02 | 2016-03-02 | 송무진 | 코어 배럴 작업용 굴착함마의 확공장치 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62169089U (es) * | 1986-04-14 | 1987-10-27 | ||
| JPS6376091U (es) * | 1986-11-06 | 1988-05-20 |
-
1988
- 1988-06-13 JP JP1988077251U patent/JPH07540Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62169089U (es) * | 1986-04-14 | 1987-10-27 | ||
| JPS6376091U (es) * | 1986-11-06 | 1988-05-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07540Y2 (ja) | 1995-01-11 |