JPS6365794U - - Google Patents
Info
- Publication number
- JPS6365794U JPS6365794U JP16044486U JP16044486U JPS6365794U JP S6365794 U JPS6365794 U JP S6365794U JP 16044486 U JP16044486 U JP 16044486U JP 16044486 U JP16044486 U JP 16044486U JP S6365794 U JPS6365794 U JP S6365794U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- steel
- protruded
- center
- tip
- 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
- 238000009412 basement excavation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 4
- 239000010959 steel Substances 0.000 claims 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16044486U JPS6365794U (en]) | 1986-10-20 | 1986-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16044486U JPS6365794U (en]) | 1986-10-20 | 1986-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6365794U true JPS6365794U (en]) | 1988-04-30 |
Family
ID=31085831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16044486U Pending JPS6365794U (en]) | 1986-10-20 | 1986-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6365794U (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310731U (en]) * | 1976-07-10 | 1978-01-28 | ||
| JPS59213891A (ja) * | 1983-05-20 | 1984-12-03 | 有限会社上肥重機 | 穴掘削方法 |
-
1986
- 1986-10-20 JP JP16044486U patent/JPS6365794U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310731U (en]) * | 1976-07-10 | 1978-01-28 | ||
| JPS59213891A (ja) * | 1983-05-20 | 1984-12-03 | 有限会社上肥重機 | 穴掘削方法 |