JPS52147555A - Hollow billet expansion process - Google Patents
Hollow billet expansion processInfo
- Publication number
- JPS52147555A JPS52147555A JP6507476A JP6507476A JPS52147555A JP S52147555 A JPS52147555 A JP S52147555A JP 6507476 A JP6507476 A JP 6507476A JP 6507476 A JP6507476 A JP 6507476A JP S52147555 A JPS52147555 A JP S52147555A
- Authority
- JP
- Japan
- Prior art keywords
- expansion process
- hollow billet
- billet expansion
- hollow
- expansion
- 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
Landscapes
- Extrusion Of Metal (AREA)
- Forging (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6507476A JPS52147555A (en) | 1976-06-02 | 1976-06-02 | Hollow billet expansion process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6507476A JPS52147555A (en) | 1976-06-02 | 1976-06-02 | Hollow billet expansion process |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52147555A true JPS52147555A (en) | 1977-12-08 |
JPS5429417B2 JPS5429417B2 (en) | 1979-09-22 |
Family
ID=13276429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6507476A Granted JPS52147555A (en) | 1976-06-02 | 1976-06-02 | Hollow billet expansion process |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52147555A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6254538A (en) * | 1985-09-03 | 1987-03-10 | Kobe Steel Ltd | Manufacture of piercing billet for manufacturing pipe by hot extrusion |
CN105033142A (en) * | 2015-07-10 | 2015-11-11 | 河南光大管业有限公司 | Pressing die and pressing process for welding neck flange |
-
1976
- 1976-06-02 JP JP6507476A patent/JPS52147555A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6254538A (en) * | 1985-09-03 | 1987-03-10 | Kobe Steel Ltd | Manufacture of piercing billet for manufacturing pipe by hot extrusion |
CN105033142A (en) * | 2015-07-10 | 2015-11-11 | 河南光大管业有限公司 | Pressing die and pressing process for welding neck flange |
Also Published As
Publication number | Publication date |
---|---|
JPS5429417B2 (en) | 1979-09-22 |
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