CN100528390C - 限动芯棒冷拔管工艺及其设备 - Google Patents
限动芯棒冷拔管工艺及其设备 Download PDFInfo
- Publication number
- CN100528390C CN100528390C CNB2007102025130A CN200710202513A CN100528390C CN 100528390 C CN100528390 C CN 100528390C CN B2007102025130 A CNB2007102025130 A CN B2007102025130A CN 200710202513 A CN200710202513 A CN 200710202513A CN 100528390 C CN100528390 C CN 100528390C
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- Prior art keywords
- steel pipe
- plug
- core rod
- pipe base
- draw
- 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.)
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Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007102025130A CN100528390C (zh) | 2007-11-14 | 2007-11-14 | 限动芯棒冷拔管工艺及其设备 |
Applications Claiming Priority (1)
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CNB2007102025130A CN100528390C (zh) | 2007-11-14 | 2007-11-14 | 限动芯棒冷拔管工艺及其设备 |
Publications (2)
Publication Number | Publication Date |
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CN101172287A CN101172287A (zh) | 2008-05-07 |
CN100528390C true CN100528390C (zh) | 2009-08-19 |
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Family Applications (1)
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CNB2007102025130A Expired - Fee Related CN100528390C (zh) | 2007-11-14 | 2007-11-14 | 限动芯棒冷拔管工艺及其设备 |
Country Status (1)
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CN (1) | CN100528390C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102327915A (zh) * | 2011-07-29 | 2012-01-25 | 胡顺珍 | 长芯棒拔管 |
CN102513389A (zh) * | 2011-11-21 | 2012-06-27 | 胡顺珍 | 长芯棒复合模拔管装置 |
CN112157431A (zh) * | 2020-09-01 | 2021-01-01 | 无锡市腾茂液压机械有限公司 | 一种高精密冷拔管的制造流程 |
CN112246898A (zh) * | 2020-09-25 | 2021-01-22 | 北京工业大学 | 一种用于Mg-Zn-Mn-Ca镁合金微细管的制备方法 |
CN112756424B (zh) * | 2020-12-19 | 2022-03-25 | 江苏图南合金股份有限公司 | 一种金属管材扩径拉拔成形的方法 |
CN112934992A (zh) * | 2021-03-29 | 2021-06-11 | 中国科学院金属研究所 | 一种差动长芯头管材拉拔方法 |
CN114102071A (zh) * | 2021-12-01 | 2022-03-01 | 浙江中达新材料股份有限公司 | 一种高效换热器用内槽式奥氏体不锈钢无缝钢管生产工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87103588A (zh) * | 1987-05-14 | 1988-11-30 | 徐宏熔 | 高精度冷拔无缝钢管加工简易装置 |
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2007
- 2007-11-14 CN CNB2007102025130A patent/CN100528390C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87103588A (zh) * | 1987-05-14 | 1988-11-30 | 徐宏熔 | 高精度冷拔无缝钢管加工简易装置 |
Also Published As
Publication number | Publication date |
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CN101172287A (zh) | 2008-05-07 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Pangang Group Chengdu steel vanadium Co., Ltd. Assignor: Pangang Group Chengdu Iron & Steel Co., Ltd Contract fulfillment period: 2009.11.24 to 2015.11.24 contract change Contract record no.: 2009510000174 Denomination of invention: Limiting core rod cold drawn tube technique and equipment thereof Granted publication date: 20090819 License type: Exclusive license Record date: 20091130 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.24 TO 2015.11.24; CHANGE OF CONTRACT Name of requester: PANGANG GROUP CHENGDU STEEL + VANADIUM CO., LTD. Effective date: 20091130 |
|
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: 20090819 Termination date: 20161114 |