JPS6133105Y2 - - Google Patents
Info
- Publication number
- JPS6133105Y2 JPS6133105Y2 JP13638980U JP13638980U JPS6133105Y2 JP S6133105 Y2 JPS6133105 Y2 JP S6133105Y2 JP 13638980 U JP13638980 U JP 13638980U JP 13638980 U JP13638980 U JP 13638980U JP S6133105 Y2 JPS6133105 Y2 JP S6133105Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- cutter blade
- engagement
- drill
- center
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13638980U JPS6133105Y2 (en]) | 1980-09-24 | 1980-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13638980U JPS6133105Y2 (en]) | 1980-09-24 | 1980-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5760987U JPS5760987U (en]) | 1982-04-10 |
| JPS6133105Y2 true JPS6133105Y2 (en]) | 1986-09-26 |
Family
ID=29496503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13638980U Expired JPS6133105Y2 (en]) | 1980-09-24 | 1980-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133105Y2 (en]) |
-
1980
- 1980-09-24 JP JP13638980U patent/JPS6133105Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5760987U (en]) | 1982-04-10 |