JPH0212013Y2 - - Google Patents
Info
- Publication number
- JPH0212013Y2 JPH0212013Y2 JP2481986U JP2481986U JPH0212013Y2 JP H0212013 Y2 JPH0212013 Y2 JP H0212013Y2 JP 2481986 U JP2481986 U JP 2481986U JP 2481986 U JP2481986 U JP 2481986U JP H0212013 Y2 JPH0212013 Y2 JP H0212013Y2
- Authority
- JP
- Japan
- Prior art keywords
- margin
- drill
- width
- section
- cutting
- 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
- 230000000694 effects Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2481986U JPH0212013Y2 (en)van) | 1986-02-21 | 1986-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2481986U JPH0212013Y2 (en)van) | 1986-02-21 | 1986-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62138519U JPS62138519U (en)van) | 1987-09-01 |
| JPH0212013Y2 true JPH0212013Y2 (en)van) | 1990-04-04 |
Family
ID=30824388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2481986U Expired JPH0212013Y2 (en)van) | 1986-02-21 | 1986-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0212013Y2 (en)van) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009033942A1 (de) * | 2009-07-14 | 2011-01-20 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Bohrer |
-
1986
- 1986-02-21 JP JP2481986U patent/JPH0212013Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62138519U (en)van) | 1987-09-01 |
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