JPS6294186U - - Google Patents
Info
- Publication number
- JPS6294186U JPS6294186U JP18541485U JP18541485U JPS6294186U JP S6294186 U JPS6294186 U JP S6294186U JP 18541485 U JP18541485 U JP 18541485U JP 18541485 U JP18541485 U JP 18541485U JP S6294186 U JPS6294186 U JP S6294186U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- ring body
- annular groove
- notch
- roller 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
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18541485U JPH0242791Y2 (OSRAM) | 1985-11-29 | 1985-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18541485U JPH0242791Y2 (OSRAM) | 1985-11-29 | 1985-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6294186U true JPS6294186U (OSRAM) | 1987-06-16 |
| JPH0242791Y2 JPH0242791Y2 (OSRAM) | 1990-11-14 |
Family
ID=31134018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18541485U Expired JPH0242791Y2 (OSRAM) | 1985-11-29 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242791Y2 (OSRAM) |
-
1985
- 1985-11-29 JP JP18541485U patent/JPH0242791Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0242791Y2 (OSRAM) | 1990-11-14 |