JPS6447892U - - Google Patents
Info
- Publication number
- JPS6447892U JPS6447892U JP14290787U JP14290787U JPS6447892U JP S6447892 U JPS6447892 U JP S6447892U JP 14290787 U JP14290787 U JP 14290787U JP 14290787 U JP14290787 U JP 14290787U JP S6447892 U JPS6447892 U JP S6447892U
- Authority
- JP
- Japan
- Prior art keywords
- base
- chips
- tip
- edges
- ring bit
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14290787U JPH0340956Y2 (en)van) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14290787U JPH0340956Y2 (en)van) | 1987-09-17 | 1987-09-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6447892U true JPS6447892U (en)van) | 1989-03-24 |
JPH0340956Y2 JPH0340956Y2 (en)van) | 1991-08-28 |
Family
ID=31409250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14290787U Expired JPH0340956Y2 (en)van) | 1987-09-17 | 1987-09-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0340956Y2 (en)van) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH044986U (en)van) * | 1990-04-24 | 1992-01-17 |
-
1987
- 1987-09-17 JP JP14290787U patent/JPH0340956Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH044986U (en)van) * | 1990-04-24 | 1992-01-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0340956Y2 (en)van) | 1991-08-28 |