JPH0370257U - - Google Patents
Info
- Publication number
- JPH0370257U JPH0370257U JP13058289U JP13058289U JPH0370257U JP H0370257 U JPH0370257 U JP H0370257U JP 13058289 U JP13058289 U JP 13058289U JP 13058289 U JP13058289 U JP 13058289U JP H0370257 U JPH0370257 U JP H0370257U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- drill
- opening
- hemispherical
- 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
- 239000000112 cooling gas Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130582U JPH0634359Y2 (ja) | 1989-11-10 | 1989-11-10 | 高炉出銑口の開孔用錐 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130582U JPH0634359Y2 (ja) | 1989-11-10 | 1989-11-10 | 高炉出銑口の開孔用錐 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370257U true JPH0370257U (fr) | 1991-07-15 |
| JPH0634359Y2 JPH0634359Y2 (ja) | 1994-09-07 |
Family
ID=31678149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989130582U Expired - Lifetime JPH0634359Y2 (ja) | 1989-11-10 | 1989-11-10 | 高炉出銑口の開孔用錐 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634359Y2 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046078A (ja) * | 2005-08-08 | 2007-02-22 | Nippon Steel Corp | 熱間穿孔用ビットおよびこれを用いた転炉の出湯孔スリーブ穿孔方法 |
| JP2007119868A (ja) * | 2005-10-28 | 2007-05-17 | Nakazono Kogyosho:Kk | 出湯口開孔用ドリル |
| WO2020189393A1 (fr) * | 2019-03-19 | 2020-09-24 | Ｊｆｅスチール株式会社 | Embout de perforation et procédé d'ouverture de trou de coulée le mettant en œuvre |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151407A (ja) * | 1982-03-03 | 1983-09-08 | Kawasaki Steel Corp | 高炉出銑口座ぐり用ビツト |
| JPS58157907A (ja) * | 1982-03-11 | 1983-09-20 | Mitsubishi Metal Corp | 出銑用ビツト |
-
1989
- 1989-11-10 JP JP1989130582U patent/JPH0634359Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151407A (ja) * | 1982-03-03 | 1983-09-08 | Kawasaki Steel Corp | 高炉出銑口座ぐり用ビツト |
| JPS58157907A (ja) * | 1982-03-11 | 1983-09-20 | Mitsubishi Metal Corp | 出銑用ビツト |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046078A (ja) * | 2005-08-08 | 2007-02-22 | Nippon Steel Corp | 熱間穿孔用ビットおよびこれを用いた転炉の出湯孔スリーブ穿孔方法 |
| JP2007119868A (ja) * | 2005-10-28 | 2007-05-17 | Nakazono Kogyosho:Kk | 出湯口開孔用ドリル |
| WO2020189393A1 (fr) * | 2019-03-19 | 2020-09-24 | Ｊｆｅスチール株式会社 | Embout de perforation et procédé d'ouverture de trou de coulée le mettant en œuvre |
| CN113490754A (zh) * | 2019-03-19 | 2021-10-08 | 杰富意钢铁株式会社 | 开孔钻头以及使用其的出铁口的开孔方法 |
| US11821048B2 (en) | 2019-03-19 | 2023-11-21 | Jfe Steel Corporation | Hole-opening bit and tap hole opening method using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634359Y2 (ja) | 1994-09-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |