JPH01180587U - - Google Patents
Info
- Publication number
- JPH01180587U JPH01180587U JP7724888U JP7724888U JPH01180587U JP H01180587 U JPH01180587 U JP H01180587U JP 7724888 U JP7724888 U JP 7724888U JP 7724888 U JP7724888 U JP 7724888U JP H01180587 U JPH01180587 U JP H01180587U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- core bit
- utility
- scope
- longitudinal section
- 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 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7724888U JPH01180587U (cs) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7724888U JPH01180587U (cs) | 1988-06-13 | 1988-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180587U true JPH01180587U (cs) | 1989-12-26 |
Family
ID=31302244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7724888U Pending JPH01180587U (cs) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180587U (cs) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331830B2 (cs) * | 1976-09-18 | 1978-09-05 |
-
1988
- 1988-06-13 JP JP7724888U patent/JPH01180587U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331830B2 (cs) * | 1976-09-18 | 1978-09-05 |