JPS61169191U - - Google Patents
Info
- Publication number
- JPS61169191U JPS61169191U JP19716885U JP19716885U JPS61169191U JP S61169191 U JPS61169191 U JP S61169191U JP 19716885 U JP19716885 U JP 19716885U JP 19716885 U JP19716885 U JP 19716885U JP S61169191 U JPS61169191 U JP S61169191U
- Authority
- JP
- Japan
- Prior art keywords
- base metal
- head
- layer
- cutting bit
- hard blade
- 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
- 239000010953 base metal Substances 0.000 claims description 6
- 238000005552 hardfacing Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985197168U JPS6323507Y2 (sv) | 1985-12-21 | 1985-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985197168U JPS6323507Y2 (sv) | 1985-12-21 | 1985-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61169191U true JPS61169191U (sv) | 1986-10-20 |
| JPS6323507Y2 JPS6323507Y2 (sv) | 1988-06-28 |
Family
ID=30755266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985197168U Expired JPS6323507Y2 (sv) | 1985-12-21 | 1985-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6323507Y2 (sv) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018021367A (ja) * | 2016-08-03 | 2018-02-08 | 株式会社奥村組 | 掘削機用ローラカッタおよびそれを備える掘削機 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173478A (ja) * | 1983-03-18 | 1984-10-01 | 株式会社 利根ボ−リング | 掘削用ビツト及びその製造方法 |
-
1985
- 1985-12-21 JP JP1985197168U patent/JPS6323507Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173478A (ja) * | 1983-03-18 | 1984-10-01 | 株式会社 利根ボ−リング | 掘削用ビツト及びその製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018021367A (ja) * | 2016-08-03 | 2018-02-08 | 株式会社奥村組 | 掘削機用ローラカッタおよびそれを備える掘削機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323507Y2 (sv) | 1988-06-28 |
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