JPH0417439U - - Google Patents
Info
- Publication number
- JPH0417439U JPH0417439U JP5905490U JP5905490U JPH0417439U JP H0417439 U JPH0417439 U JP H0417439U JP 5905490 U JP5905490 U JP 5905490U JP 5905490 U JP5905490 U JP 5905490U JP H0417439 U JPH0417439 U JP H0417439U
- Authority
- JP
- Japan
- Prior art keywords
- tool body
- excavation guide
- guide section
- tool
- drilling tool
- 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 5
- 238000010276 construction Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5905490U JPH0417439U (no) | 1990-06-04 | 1990-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5905490U JPH0417439U (no) | 1990-06-04 | 1990-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417439U true JPH0417439U (no) | 1992-02-13 |
Family
ID=31585217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5905490U Pending JPH0417439U (no) | 1990-06-04 | 1990-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417439U (no) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4926306B1 (no) * | 1970-06-10 | 1974-07-08 | ||
| JPS4934503B1 (no) * | 1970-11-18 | 1974-09-14 |
-
1990
- 1990-06-04 JP JP5905490U patent/JPH0417439U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4926306B1 (no) * | 1970-06-10 | 1974-07-08 | ||
| JPS4934503B1 (no) * | 1970-11-18 | 1974-09-14 |