CN101844163B - 生产中口径直缝双面埋弧焊钢管的机组及钢管成型方法 - Google Patents
生产中口径直缝双面埋弧焊钢管的机组及钢管成型方法 Download PDFInfo
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- CN101844163B CN101844163B CN2009101379743A CN200910137974A CN101844163B CN 101844163 B CN101844163 B CN 101844163B CN 2009101379743 A CN2009101379743 A CN 2009101379743A CN 200910137974 A CN200910137974 A CN 200910137974A CN 101844163 B CN101844163 B CN 101844163B
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- steel pipe
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CN2009101379743A CN101844163B (zh) | 2009-03-27 | 2009-04-26 | 生产中口径直缝双面埋弧焊钢管的机组及钢管成型方法 |
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CN200910010896.0 | 2009-03-27 | ||
CN200910010896 | 2009-03-27 | ||
CN2009101379743A CN101844163B (zh) | 2009-03-27 | 2009-04-26 | 生产中口径直缝双面埋弧焊钢管的机组及钢管成型方法 |
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CN101844163A CN101844163A (zh) | 2010-09-29 |
CN101844163B true CN101844163B (zh) | 2012-02-08 |
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CN2009101379743A Expired - Fee Related CN101844163B (zh) | 2009-03-27 | 2009-04-26 | 生产中口径直缝双面埋弧焊钢管的机组及钢管成型方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102294535A (zh) * | 2011-08-02 | 2011-12-28 | 太原华科信冶金成套设备有限公司 | 一种直缝埋弧焊管在线内焊的方法 |
CN106180307B (zh) * | 2016-08-31 | 2018-03-27 | 江苏省南扬机械制造有限公司 | 柔性辊弯成型生产线 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5862694A (en) * | 1997-08-19 | 1999-01-26 | Union Metal Corporation | Tapered tube manufacturing apparatus and process |
CN1490097A (zh) * | 2002-10-15 | 2004-04-21 | 赵春友 | 中直缝钢管的生产方法及初成型、精成型、焊接装置 |
CN1850389A (zh) * | 2006-04-26 | 2006-10-25 | 大连三高重工设备有限公司 | 新型的圆管开口空弯成型机组 |
CN200995226Y (zh) * | 2006-11-16 | 2007-12-26 | 太原市通泽成套设备有限公司 | 卧式无缝钢管轧机轧辊调整装置 |
CN201385054Y (zh) * | 2009-03-27 | 2010-01-20 | 赵春友 | 中口径直缝双面埋弧焊钢管管体初成型装置 |
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- 2009-04-26 CN CN2009101379743A patent/CN101844163B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5862694A (en) * | 1997-08-19 | 1999-01-26 | Union Metal Corporation | Tapered tube manufacturing apparatus and process |
CN1490097A (zh) * | 2002-10-15 | 2004-04-21 | 赵春友 | 中直缝钢管的生产方法及初成型、精成型、焊接装置 |
CN1850389A (zh) * | 2006-04-26 | 2006-10-25 | 大连三高重工设备有限公司 | 新型的圆管开口空弯成型机组 |
CN200995226Y (zh) * | 2006-11-16 | 2007-12-26 | 太原市通泽成套设备有限公司 | 卧式无缝钢管轧机轧辊调整装置 |
CN201385054Y (zh) * | 2009-03-27 | 2010-01-20 | 赵春友 | 中口径直缝双面埋弧焊钢管管体初成型装置 |
Non-Patent Citations (1)
Title |
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JP特开平6-206249A 1994.04.19 |
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CN101844163A (zh) | 2010-09-29 |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100929 Assignee: Liaoyang star large steel tube factory Assignor: Zhao Chunyou Contract record no.: 2014210000073 Denomination of invention: Machine set for producing medium-caliber straight-seam double-sided submerged-arc welding steel pipe and forming method of steel pipe Granted publication date: 20120208 License type: Exclusive License Record date: 20140822 |
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Granted publication date: 20120208 Termination date: 20190426 |
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