JPS6395795U - - Google Patents
Info
- Publication number
- JPS6395795U JPS6395795U JP18760886U JP18760886U JPS6395795U JP S6395795 U JPS6395795 U JP S6395795U JP 18760886 U JP18760886 U JP 18760886U JP 18760886 U JP18760886 U JP 18760886U JP S6395795 U JPS6395795 U JP S6395795U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential side
- tip
- outer circumferential
- inner circumferential
- chip
- 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
- 238000005553 drilling Methods 0.000 claims description 4
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18760886U JPH04150Y2 (fr) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18760886U JPH04150Y2 (fr) | 1986-12-05 | 1986-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6395795U true JPS6395795U (fr) | 1988-06-21 |
| JPH04150Y2 JPH04150Y2 (fr) | 1992-01-06 |
Family
ID=31138223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18760886U Expired JPH04150Y2 (fr) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04150Y2 (fr) |
-
1986
- 1986-12-05 JP JP18760886U patent/JPH04150Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04150Y2 (fr) | 1992-01-06 |