JPH0415684U - - Google Patents
Info
- Publication number
- JPH0415684U JPH0415684U JP5482990U JP5482990U JPH0415684U JP H0415684 U JPH0415684 U JP H0415684U JP 5482990 U JP5482990 U JP 5482990U JP 5482990 U JP5482990 U JP 5482990U JP H0415684 U JPH0415684 U JP H0415684U
- Authority
- JP
- Japan
- Prior art keywords
- pipe rod
- underground drilling
- drilling device
- protrusions
- protrusion
- 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 6
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002689 soil Substances 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5482990U JPH0415684U (cs) | 1990-05-25 | 1990-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5482990U JPH0415684U (cs) | 1990-05-25 | 1990-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415684U true JPH0415684U (cs) | 1992-02-07 |
Family
ID=31577241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5482990U Pending JPH0415684U (cs) | 1990-05-25 | 1990-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415684U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013155496A (ja) * | 2012-01-27 | 2013-08-15 | Giken Seisakusho Co Ltd | 回転切削用円筒体 |
-
1990
- 1990-05-25 JP JP5482990U patent/JPH0415684U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013155496A (ja) * | 2012-01-27 | 2013-08-15 | Giken Seisakusho Co Ltd | 回転切削用円筒体 |