CN101648224B - 拉拔式扩制无缝钢管的方法和钢管升降旋转装置 - Google Patents
拉拔式扩制无缝钢管的方法和钢管升降旋转装置 Download PDFInfo
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- CN101648224B CN101648224B CN2009101643248A CN200910164324A CN101648224B CN 101648224 B CN101648224 B CN 101648224B CN 2009101643248 A CN2009101643248 A CN 2009101643248A CN 200910164324 A CN200910164324 A CN 200910164324A CN 101648224 B CN101648224 B CN 101648224B
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CN2009101643248A CN101648224B (zh) | 2009-09-02 | 2009-09-02 | 拉拔式扩制无缝钢管的方法和钢管升降旋转装置 |
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CN2009101643248A CN101648224B (zh) | 2009-09-02 | 2009-09-02 | 拉拔式扩制无缝钢管的方法和钢管升降旋转装置 |
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CN101648224A CN101648224A (zh) | 2010-02-17 |
CN101648224B true CN101648224B (zh) | 2011-05-11 |
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CN2009101643248A Expired - Fee Related CN101648224B (zh) | 2009-09-02 | 2009-09-02 | 拉拔式扩制无缝钢管的方法和钢管升降旋转装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101905356B (zh) * | 2010-07-06 | 2011-10-26 | 杭州浙大精益机电技术工程有限公司 | 钢管辅助支撑装置 |
CN111992590A (zh) * | 2020-08-12 | 2020-11-27 | 龙泉市龙生不锈钢管有限公司 | 一种具有自动进料的冷拔机 |
CN112108952A (zh) * | 2020-09-16 | 2020-12-22 | 宁波精益微型轴有限公司 | 一种轴类工件扁位倒角用全自动倒角机及其加工方法 |
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CN101648224A (zh) | 2010-02-17 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: PANGANG GROUP STEEL IRON VANADIUM + TITANIUM CO., Free format text: FORMER OWNER: PANGANG GROUP CHENGDU STEEL + VANADIUM CO., LTD. Effective date: 20100827 Owner name: PANGANG GROUP CHENGDU STEEL + VANADIUM CO., LTD. |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20100827 Address after: 610303, solidarity Road, Qingbaijiang District, Sichuan, Chengdu Applicant after: Pangang Group Steel Vanadium & Titanium Co., Ltd. Co-applicant after: Pangang Group Chengdu Steel & Vanadium Co., Ltd. Address before: 610303, solidarity Road, Qingbaijiang District, Sichuan, Chengdu Applicant before: Pangang Group Chengdu Steel & Vanadium Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20160902 |