JPH01108704U - - Google Patents
Info
- Publication number
- JPH01108704U JPH01108704U JP351888U JP351888U JPH01108704U JP H01108704 U JPH01108704 U JP H01108704U JP 351888 U JP351888 U JP 351888U JP 351888 U JP351888 U JP 351888U JP H01108704 U JPH01108704 U JP H01108704U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- shank
- core bit
- utility
- grooves
- 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.)
- Granted
Links
- 230000003247 decreasing effect Effects 0.000 claims 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351888U JPH0452011Y2 (ko) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351888U JPH0452011Y2 (ko) | 1988-01-14 | 1988-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108704U true JPH01108704U (ko) | 1989-07-24 |
| JPH0452011Y2 JPH0452011Y2 (ko) | 1992-12-08 |
Family
ID=31205220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP351888U Expired JPH0452011Y2 (ko) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452011Y2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010082812A (ja) * | 2008-09-29 | 2010-04-15 | Consec Corp | コアビット |
-
1988
- 1988-01-14 JP JP351888U patent/JPH0452011Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010082812A (ja) * | 2008-09-29 | 2010-04-15 | Consec Corp | コアビット |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0452011Y2 (ko) | 1992-12-08 |
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