JPH0215811U - - Google Patents
Info
- Publication number
- JPH0215811U JPH0215811U JP9324088U JP9324088U JPH0215811U JP H0215811 U JPH0215811 U JP H0215811U JP 9324088 U JP9324088 U JP 9324088U JP 9324088 U JP9324088 U JP 9324088U JP H0215811 U JPH0215811 U JP H0215811U
- Authority
- JP
- Japan
- Prior art keywords
- drill blade
- hole
- bored
- fixed
- passage hole
- 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
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9324088U JPH0215811U (en]) | 1988-07-13 | 1988-07-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9324088U JPH0215811U (en]) | 1988-07-13 | 1988-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0215811U true JPH0215811U (en]) | 1990-01-31 |
Family
ID=31317687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9324088U Pending JPH0215811U (en]) | 1988-07-13 | 1988-07-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0215811U (en]) |
-
1988
- 1988-07-13 JP JP9324088U patent/JPH0215811U/ja active Pending