JPS61116891U - - Google Patents
Info
- Publication number
- JPS61116891U JPS61116891U JP19351685U JP19351685U JPS61116891U JP S61116891 U JPS61116891 U JP S61116891U JP 19351685 U JP19351685 U JP 19351685U JP 19351685 U JP19351685 U JP 19351685U JP S61116891 U JPS61116891 U JP S61116891U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- bit
- shaped
- face surface
- bit body
- 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
- 238000005219 brazing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
- Blast Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19351685U JPS61116891U (et) | 1985-12-18 | 1985-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19351685U JPS61116891U (et) | 1985-12-18 | 1985-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61116891U true JPS61116891U (et) | 1986-07-23 |
Family
ID=30750940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19351685U Pending JPS61116891U (et) | 1985-12-18 | 1985-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61116891U (et) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100396072B1 (ko) * | 1998-08-21 | 2003-11-28 | 주식회사 포스코 | 용광로의출선구개공용비트및그제조방법 |
| KR100419770B1 (ko) * | 1999-12-18 | 2004-02-21 | 주식회사 포스코 | 고로 출선구의 개공기용 드릴비트 |
| JP2007126728A (ja) * | 2005-11-07 | 2007-05-24 | Jfe Steel Kk | 錐先ビット |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS477361U (et) * | 1971-02-20 | 1972-09-27 |
-
1985
- 1985-12-18 JP JP19351685U patent/JPS61116891U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS477361U (et) * | 1971-02-20 | 1972-09-27 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100396072B1 (ko) * | 1998-08-21 | 2003-11-28 | 주식회사 포스코 | 용광로의출선구개공용비트및그제조방법 |
| KR100419770B1 (ko) * | 1999-12-18 | 2004-02-21 | 주식회사 포스코 | 고로 출선구의 개공기용 드릴비트 |
| JP2007126728A (ja) * | 2005-11-07 | 2007-05-24 | Jfe Steel Kk | 錐先ビット |