JPH03115134U - - Google Patents
Info
- Publication number
- JPH03115134U JPH03115134U JP2210490U JP2210490U JPH03115134U JP H03115134 U JPH03115134 U JP H03115134U JP 2210490 U JP2210490 U JP 2210490U JP 2210490 U JP2210490 U JP 2210490U JP H03115134 U JPH03115134 U JP H03115134U
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- wall surface
- cleaning
- cleaning device
- drilling bucket
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 3
- 239000010959 steel Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
- Cleaning In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2210490U JPH03115134U (en]) | 1990-03-05 | 1990-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2210490U JPH03115134U (en]) | 1990-03-05 | 1990-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03115134U true JPH03115134U (en]) | 1991-11-27 |
Family
ID=31525124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2210490U Pending JPH03115134U (en]) | 1990-03-05 | 1990-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03115134U (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019183501A (ja) * | 2018-04-10 | 2019-10-24 | 株式会社コトブキ産業 | 拡底掘削装置 |
-
1990
- 1990-03-05 JP JP2210490U patent/JPH03115134U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019183501A (ja) * | 2018-04-10 | 2019-10-24 | 株式会社コトブキ産業 | 拡底掘削装置 |