CN100580296C - 制造薄壁不锈钢尖角方形管的生产设备 - Google Patents
制造薄壁不锈钢尖角方形管的生产设备 Download PDFInfo
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- CN100580296C CN100580296C CN200810029874A CN200810029874A CN100580296C CN 100580296 C CN100580296 C CN 100580296C CN 200810029874 A CN200810029874 A CN 200810029874A CN 200810029874 A CN200810029874 A CN 200810029874A CN 100580296 C CN100580296 C CN 100580296C
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CN200810029874A CN100580296C (zh) | 2008-07-25 | 2008-07-25 | 制造薄壁不锈钢尖角方形管的生产设备 |
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CN200810029874A CN100580296C (zh) | 2008-07-25 | 2008-07-25 | 制造薄壁不锈钢尖角方形管的生产设备 |
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CN101334120A CN101334120A (zh) | 2008-12-31 |
CN100580296C true CN100580296C (zh) | 2010-01-13 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103316916A (zh) * | 2013-06-24 | 2013-09-25 | 衡阳华菱钢管有限公司 | 方管定方机及方管的生产方法 |
CN105583230A (zh) * | 2014-10-21 | 2016-05-18 | 天津天重中直科技工程有限公司 | 一种大型厚壁异形管材冷弯成型方法 |
CN104399751B (zh) * | 2014-11-13 | 2016-09-14 | 重庆市龙山金属材料有限公司 | 菱形钢管轧机 |
CN110722015A (zh) * | 2018-07-17 | 2020-01-24 | 欣诺冷弯型钢产业研究院(曹妃甸)有限公司 | 一种角部增厚的冷热复合成形方矩形管成型系统 |
CN111215475B (zh) * | 2019-10-28 | 2022-01-21 | 武汉钢铁江北集团冷弯型钢有限公司 | 一种方形尖角钢管的冷弯成型方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Lanshi Yuhang Star Stainless Steel Co.,Ltd. Assignor: Jin Kuiwen Contract record no.: 2010440000508 Denomination of invention: Thin wall non-corrodible steel sharp corner square, rectangular pipe and its production facility Granted publication date: 20100113 License type: Exclusive License Open date: 20081231 Record date: 20100517 |
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Granted publication date: 20100113 Termination date: 20140725 |
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