JPH0453879U - - Google Patents
Info
- Publication number
- JPH0453879U JPH0453879U JP9551890U JP9551890U JPH0453879U JP H0453879 U JPH0453879 U JP H0453879U JP 9551890 U JP9551890 U JP 9551890U JP 9551890 U JP9551890 U JP 9551890U JP H0453879 U JPH0453879 U JP H0453879U
- Authority
- JP
- Japan
- Prior art keywords
- cutter bit
- cutting edge
- grained
- cemented carbide
- bit tip
- 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
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims description 2
- 238000005219 brazing Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551890U JPH0453879U (ko) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551890U JPH0453879U (ko) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453879U true JPH0453879U (ko) | 1992-05-08 |
Family
ID=31834283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9551890U Pending JPH0453879U (ko) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453879U (ko) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02204592A (ja) * | 1989-02-01 | 1990-08-14 | Mitsubishi Heavy Ind Ltd | 掘削用カッタ |
-
1990
- 1990-09-13 JP JP9551890U patent/JPH0453879U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02204592A (ja) * | 1989-02-01 | 1990-08-14 | Mitsubishi Heavy Ind Ltd | 掘削用カッタ |