JPH0521313Y2 - - Google Patents
Info
- Publication number
- JPH0521313Y2 JPH0521313Y2 JP1987183968U JP18396887U JPH0521313Y2 JP H0521313 Y2 JPH0521313 Y2 JP H0521313Y2 JP 1987183968 U JP1987183968 U JP 1987183968U JP 18396887 U JP18396887 U JP 18396887U JP H0521313 Y2 JPH0521313 Y2 JP H0521313Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- cutting edge
- holder
- tip
- 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.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987183968U JPH0521313Y2 (zh) | 1987-12-02 | 1987-12-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987183968U JPH0521313Y2 (zh) | 1987-12-02 | 1987-12-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0187850U JPH0187850U (zh) | 1989-06-09 |
JPH0521313Y2 true JPH0521313Y2 (zh) | 1993-06-01 |
Family
ID=31475365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987183968U Expired - Lifetime JPH0521313Y2 (zh) | 1987-12-02 | 1987-12-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0521313Y2 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI803868B (zh) * | 2021-05-07 | 2023-06-01 | 香港商創國興業有限公司 | 鑽頭的重製方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5524893A (en) * | 1978-07-29 | 1980-02-22 | Reiling Karl | Regrinding device of drill |
JPS5761450A (en) * | 1980-08-18 | 1982-04-13 | Heruberuto Rindonaa Gmbh | Method and apparatus for fitting nose of drill |
-
1987
- 1987-12-02 JP JP1987183968U patent/JPH0521313Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5524893A (en) * | 1978-07-29 | 1980-02-22 | Reiling Karl | Regrinding device of drill |
JPS5761450A (en) * | 1980-08-18 | 1982-04-13 | Heruberuto Rindonaa Gmbh | Method and apparatus for fitting nose of drill |
Also Published As
Publication number | Publication date |
---|---|
JPH0187850U (zh) | 1989-06-09 |
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