JPH02104911U - - Google Patents
Info
- Publication number
- JPH02104911U JPH02104911U JP1417589U JP1417589U JPH02104911U JP H02104911 U JPH02104911 U JP H02104911U JP 1417589 U JP1417589 U JP 1417589U JP 1417589 U JP1417589 U JP 1417589U JP H02104911 U JPH02104911 U JP H02104911U
- Authority
- JP
- Japan
- Prior art keywords
- outer cover
- cover
- drill part
- drill
- scattering prevention
- 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
- 230000002265 prevention Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1417589U JPH02104911U (et) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1417589U JPH02104911U (et) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02104911U true JPH02104911U (et) | 1990-08-21 |
Family
ID=31225139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1417589U Pending JPH02104911U (et) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104911U (et) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5716667U (et) * | 1980-07-02 | 1982-01-28 | ||
| JPS63200905A (ja) * | 1987-02-13 | 1988-08-19 | Nikken Tool Kk | ドリル装置 |
-
1989
- 1989-02-09 JP JP1417589U patent/JPH02104911U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5716667U (et) * | 1980-07-02 | 1982-01-28 | ||
| JPS63200905A (ja) * | 1987-02-13 | 1988-08-19 | Nikken Tool Kk | ドリル装置 |