JPH0373371B2 - - Google Patents
Info
- Publication number
- JPH0373371B2 JPH0373371B2 JP60163700A JP16370085A JPH0373371B2 JP H0373371 B2 JPH0373371 B2 JP H0373371B2 JP 60163700 A JP60163700 A JP 60163700A JP 16370085 A JP16370085 A JP 16370085A JP H0373371 B2 JPH0373371 B2 JP H0373371B2
- Authority
- JP
- Japan
- Prior art keywords
- bending
- turk
- sizing mill
- state
- heads
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16370085A JPS6224821A (ja) | 1985-07-24 | 1985-07-24 | 電縫管の曲がり矯正方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16370085A JPS6224821A (ja) | 1985-07-24 | 1985-07-24 | 電縫管の曲がり矯正方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6224821A JPS6224821A (ja) | 1987-02-02 |
JPH0373371B2 true JPH0373371B2 (enrdf_load_stackoverflow) | 1991-11-21 |
Family
ID=15778951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16370085A Granted JPS6224821A (ja) | 1985-07-24 | 1985-07-24 | 電縫管の曲がり矯正方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6224821A (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5636317A (en) * | 1979-09-03 | 1981-04-09 | Nippon Steel Metal Prod Co Ltd | Manufacture of welded steel pipe |
-
1985
- 1985-07-24 JP JP16370085A patent/JPS6224821A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6224821A (ja) | 1987-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS63188426A (ja) | 板状材料の連続成形方法 | |
US4260096A (en) | Method for reduction and sizing of welded pipes and mill for effecting same | |
US4583675A (en) | Method of production of a part formed with an opening | |
JPH0373371B2 (enrdf_load_stackoverflow) | ||
MXPA01010623A (es) | Metodo para formar un tubo por rotacion. | |
JPH06198337A (ja) | 溶接鋼管矯正方法 | |
EP0126795B1 (en) | Method for manufacturing welded pipes | |
JPH0261854B2 (enrdf_load_stackoverflow) | ||
JPS6327913Y2 (enrdf_load_stackoverflow) | ||
JP3332217B2 (ja) | ベンディングロールによるパイプ成形方法 | |
JP3358654B2 (ja) | ベンディングロールによるパイプ成形方法 | |
US2442850A (en) | Method of and apparatus for making flat metal tubes | |
JP3868797B2 (ja) | ロックボルト用異形管の製造方法およびその製造装置 | |
EP0243533B1 (en) | Method for maufacturing welded pipes | |
JPS61115685A (ja) | 電縫鋼管の製造方法 | |
JP2820524B2 (ja) | 曲げロール | |
JPH0440090B2 (enrdf_load_stackoverflow) | ||
JP2921415B2 (ja) | 油井管の管端部加工方法 | |
JP3264153B2 (ja) | Uoe鋼管の製造方法 | |
JPH10211510A (ja) | 継目無管の製造方法 | |
JPH0311851B2 (enrdf_load_stackoverflow) | ||
JPH0639444A (ja) | 溶接鋼管の反り矯正方法 | |
JP2769240B2 (ja) | 薄肉溶接管のビード厚み制御方法 | |
JPH07328720A (ja) | 精整ラインにおける矯正機配列 | |
JP2001105032A (ja) | ベンディングロールによるパイプ成形装置、成形方法及びパイプ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |