JPS62199201U - - Google Patents
Info
- Publication number
- JPS62199201U JPS62199201U JP8471786U JP8471786U JPS62199201U JP S62199201 U JPS62199201 U JP S62199201U JP 8471786 U JP8471786 U JP 8471786U JP 8471786 U JP8471786 U JP 8471786U JP S62199201 U JPS62199201 U JP S62199201U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- rear end
- center hole
- drilling
- billet
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471786U JPS62199201U (US20050192411A1-20050901-C00001.png) | 1986-06-05 | 1986-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471786U JPS62199201U (US20050192411A1-20050901-C00001.png) | 1986-06-05 | 1986-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62199201U true JPS62199201U (US20050192411A1-20050901-C00001.png) | 1987-12-18 |
Family
ID=30939467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8471786U Pending JPS62199201U (US20050192411A1-20050901-C00001.png) | 1986-06-05 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62199201U (US20050192411A1-20050901-C00001.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH039204U (US20050192411A1-20050901-C00001.png) * | 1989-06-14 | 1991-01-29 | Sumitomo Heavy Industries | |
| WO2009122620A1 (ja) | 2008-03-31 | 2009-10-08 | 住友金属工業株式会社 | 継目無金属管の製造方法及びそれに用いられるポンチ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5372763A (en) * | 1976-12-10 | 1978-06-28 | Nippon Steel Corp | Method and apparatus for forming center hole during making seamless steel pipe |
-
1986
- 1986-06-05 JP JP8471786U patent/JPS62199201U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5372763A (en) * | 1976-12-10 | 1978-06-28 | Nippon Steel Corp | Method and apparatus for forming center hole during making seamless steel pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH039204U (US20050192411A1-20050901-C00001.png) * | 1989-06-14 | 1991-01-29 | Sumitomo Heavy Industries | |
| WO2009122620A1 (ja) | 2008-03-31 | 2009-10-08 | 住友金属工業株式会社 | 継目無金属管の製造方法及びそれに用いられるポンチ |
