JPH0179692U - - Google Patents
Info
- Publication number
- JPH0179692U JPH0179692U JP1987172885U JP17288587U JPH0179692U JP H0179692 U JPH0179692 U JP H0179692U JP 1987172885 U JP1987172885 U JP 1987172885U JP 17288587 U JP17288587 U JP 17288587U JP H0179692 U JPH0179692 U JP H0179692U
- 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.)
- Granted
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 |
|---|---|---|---|
| JP1987172885U JPH0434233Y2 (en, 2012) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172885U JPH0434233Y2 (en, 2012) | 1987-11-11 | 1987-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0179692U true JPH0179692U (en, 2012) | 1989-05-29 |
| JPH0434233Y2 JPH0434233Y2 (en, 2012) | 1992-08-14 |
Family
ID=31464834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172885U Expired JPH0434233Y2 (en, 2012) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434233Y2 (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025077324A (ja) * | 2023-11-06 | 2025-05-19 | 日本コンクリート工業株式会社 | 拡大掘削装置 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5322404U (en, 2012) * | 1976-08-03 | 1978-02-24 | ||
| JPS5519370A (en) * | 1978-07-28 | 1980-02-12 | Tone Boring Co | Device for enlarging hole |
| JPS56596U (en, 2012) * | 1979-06-15 | 1981-01-06 | ||
| JPS56596A (en) * | 1979-04-12 | 1981-01-07 | Framatome Sa | Liquid recirculation type centrifugal pump |
| JPS5637031U (en, 2012) * | 1979-08-30 | 1981-04-09 | ||
| JPS5716948U (en, 2012) * | 1980-07-04 | 1982-01-28 | ||
| JPS5753514A (en) * | 1980-09-17 | 1982-03-30 | Mitsubishi Rayon Co Ltd | Preparation of high-impact resin |
| JPS5976391A (ja) * | 1982-10-25 | 1984-05-01 | 株式会社利根ボ−リング | 空圧打撃式拡孔掘削装置 |
-
1987
- 1987-11-11 JP JP1987172885U patent/JPH0434233Y2/ja not_active Expired
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5322404U (en, 2012) * | 1976-08-03 | 1978-02-24 | ||
| JPS5519370A (en) * | 1978-07-28 | 1980-02-12 | Tone Boring Co | Device for enlarging hole |
| JPS56596A (en) * | 1979-04-12 | 1981-01-07 | Framatome Sa | Liquid recirculation type centrifugal pump |
| JPS56596U (en, 2012) * | 1979-06-15 | 1981-01-06 | ||
| JPS5637031U (en, 2012) * | 1979-08-30 | 1981-04-09 | ||
| JPS5716948U (en, 2012) * | 1980-07-04 | 1982-01-28 | ||
| JPS5753514A (en) * | 1980-09-17 | 1982-03-30 | Mitsubishi Rayon Co Ltd | Preparation of high-impact resin |
| JPS5976391A (ja) * | 1982-10-25 | 1984-05-01 | 株式会社利根ボ−リング | 空圧打撃式拡孔掘削装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434233Y2 (en, 2012) | 1992-08-14 |