JPH0175194U - - Google Patents
Info
- Publication number
- JPH0175194U JPH0175194U JP1987170506U JP17050687U JPH0175194U JP H0175194 U JPH0175194 U JP H0175194U JP 1987170506 U JP1987170506 U JP 1987170506U JP 17050687 U JP17050687 U JP 17050687U JP H0175194 U JPH0175194 U JP H0175194U
- Authority
- JP
- Japan
- Prior art keywords
- outer periphery
- attached
- enlarged
- rotatable
- predetermined angle
- 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
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170506U JPH0175194U (de) | 1987-11-07 | 1987-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170506U JPH0175194U (de) | 1987-11-07 | 1987-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175194U true JPH0175194U (de) | 1989-05-22 |
Family
ID=31461515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170506U Pending JPH0175194U (de) | 1987-11-07 | 1987-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175194U (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057781U (ja) * | 1991-07-08 | 1993-02-02 | 日本ベース株式会社 | 中掘拡底工法用の掘削ビツト |
| JP2019183480A (ja) * | 2018-04-09 | 2019-10-24 | ジャパンパイル株式会社 | 掘削機用拡大ヘッド |
-
1987
- 1987-11-07 JP JP1987170506U patent/JPH0175194U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057781U (ja) * | 1991-07-08 | 1993-02-02 | 日本ベース株式会社 | 中掘拡底工法用の掘削ビツト |
| JP2019183480A (ja) * | 2018-04-09 | 2019-10-24 | ジャパンパイル株式会社 | 掘削機用拡大ヘッド |