JPS6419690U - - Google Patents
Info
- Publication number
- JPS6419690U JPS6419690U JP11128387U JP11128387U JPS6419690U JP S6419690 U JPS6419690 U JP S6419690U JP 11128387 U JP11128387 U JP 11128387U JP 11128387 U JP11128387 U JP 11128387U JP S6419690 U JPS6419690 U JP S6419690U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- expanding
- shaft
- shaft hole
- excavator
- 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
- 238000005553 drilling Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11128387U JPS6419690U (es) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11128387U JPS6419690U (es) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6419690U true JPS6419690U (es) | 1989-01-31 |
Family
ID=31349192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11128387U Pending JPS6419690U (es) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6419690U (es) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055198A (ja) * | 1983-09-05 | 1985-03-30 | 丸五基礎工業株式会社 | ア−スドリル工法における先端拡幅用ドリリングバケツト |
| JPS6145085A (ja) * | 1984-08-06 | 1986-03-04 | 井上 八郎 | ア−スドリル工法に用いる拡底掘削バケツトと拡底掘削工法 |
| JPS61277795A (ja) * | 1985-05-31 | 1986-12-08 | 井上 八郎 | 拡底掘削バケツト |
| JPS6210392A (ja) * | 1985-07-05 | 1987-01-19 | 株式会社 奥村組 | 拡底杭用の拡底部掘削機 |
-
1987
- 1987-07-22 JP JP11128387U patent/JPS6419690U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055198A (ja) * | 1983-09-05 | 1985-03-30 | 丸五基礎工業株式会社 | ア−スドリル工法における先端拡幅用ドリリングバケツト |
| JPS6145085A (ja) * | 1984-08-06 | 1986-03-04 | 井上 八郎 | ア−スドリル工法に用いる拡底掘削バケツトと拡底掘削工法 |
| JPS61277795A (ja) * | 1985-05-31 | 1986-12-08 | 井上 八郎 | 拡底掘削バケツト |
| JPS6210392A (ja) * | 1985-07-05 | 1987-01-19 | 株式会社 奥村組 | 拡底杭用の拡底部掘削機 |
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