JPH0250492U - - Google Patents
Info
- Publication number
- JPH0250492U JPH0250492U JP12935588U JP12935588U JPH0250492U JP H0250492 U JPH0250492 U JP H0250492U JP 12935588 U JP12935588 U JP 12935588U JP 12935588 U JP12935588 U JP 12935588U JP H0250492 U JPH0250492 U JP H0250492U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- fixture
- rock drilling
- cutter body
- convex portion
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12935588U JPH0250492U (en]) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12935588U JPH0250492U (en]) | 1988-09-30 | 1988-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0250492U true JPH0250492U (en]) | 1990-04-09 |
Family
ID=31383557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12935588U Pending JPH0250492U (en]) | 1988-09-30 | 1988-09-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0250492U (en]) |
-
1988
- 1988-09-30 JP JP12935588U patent/JPH0250492U/ja active Pending