JPH0442097B2 - - Google Patents
Info
- Publication number
- JPH0442097B2 JPH0442097B2 JP61308045A JP30804586A JPH0442097B2 JP H0442097 B2 JPH0442097 B2 JP H0442097B2 JP 61308045 A JP61308045 A JP 61308045A JP 30804586 A JP30804586 A JP 30804586A JP H0442097 B2 JPH0442097 B2 JP H0442097B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- pipe
- diameter
- rolls
- stage
- 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.)
- Expired - Lifetime
Links
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30804586A JPS63165021A (ja) | 1986-12-25 | 1986-12-25 | 電縫鋼管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30804586A JPS63165021A (ja) | 1986-12-25 | 1986-12-25 | 電縫鋼管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63165021A JPS63165021A (ja) | 1988-07-08 |
| JPH0442097B2 true JPH0442097B2 (en]) | 1992-07-10 |
Family
ID=17976217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30804586A Granted JPS63165021A (ja) | 1986-12-25 | 1986-12-25 | 電縫鋼管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63165021A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03169432A (ja) * | 1989-11-30 | 1991-07-23 | Kawasaki Steel Corp | 電縫鋼管のフィンパス成形方法 |
| JP2661474B2 (ja) * | 1992-07-14 | 1997-10-08 | 住友金属工業株式会社 | レーザ溶接管の製造方法 |
| JP6252454B2 (ja) * | 2014-12-05 | 2017-12-27 | Ｊｆｅスチール株式会社 | 高強度厚肉電縫鋼管の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028005A1 (de) * | 1980-07-24 | 1982-02-18 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von pharmazeitischen und kosemtischen dispersionen |
| JPS60108118A (ja) * | 1983-11-16 | 1985-06-13 | Kawasaki Steel Corp | 電縫鋼管用素管のフインパスロ−ル成形方法 |
| JPS60257924A (ja) * | 1984-06-02 | 1985-12-19 | Kawasaki Steel Corp | 角形管の製造方法およびその装置 |
-
1986
- 1986-12-25 JP JP30804586A patent/JPS63165021A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63165021A (ja) | 1988-07-08 |
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