JPS53125954A - Method of producing thick pipes - Google Patents
Method of producing thick pipesInfo
- Publication number
- JPS53125954A JPS53125954A JP4045377A JP4045377A JPS53125954A JP S53125954 A JPS53125954 A JP S53125954A JP 4045377 A JP4045377 A JP 4045377A JP 4045377 A JP4045377 A JP 4045377A JP S53125954 A JPS53125954 A JP S53125954A
- Authority
- JP
- Japan
- Prior art keywords
- producing thick
- thick pipes
- press
- proximity
- pressing
- 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
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
PURPOSE: To accomplish welding without formation of any sharp point in the proximity of the groove, preventing crack in the welded zone while avoiding increase in press powder during the operation of O press for production of large diameter thick steel pipes by providing shrinking operation after 0 pressing.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4045377A JPS53125954A (en) | 1977-04-11 | 1977-04-11 | Method of producing thick pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4045377A JPS53125954A (en) | 1977-04-11 | 1977-04-11 | Method of producing thick pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53125954A true JPS53125954A (en) | 1978-11-02 |
Family
ID=12581048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4045377A Pending JPS53125954A (en) | 1977-04-11 | 1977-04-11 | Method of producing thick pipes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53125954A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57121823A (en) * | 1981-01-20 | 1982-07-29 | Toshiba Corp | Manufacture of metallic cylindrical member |
-
1977
- 1977-04-11 JP JP4045377A patent/JPS53125954A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57121823A (en) * | 1981-01-20 | 1982-07-29 | Toshiba Corp | Manufacture of metallic cylindrical member |
JPS6247088B2 (en) * | 1981-01-20 | 1987-10-06 | Tokyo Shibaura Electric Co |
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