CN101244434B - Technique head of cold drawing steel tube - Google Patents
Technique head of cold drawing steel tube Download PDFInfo
- Publication number
- CN101244434B CN101244434B CN2008100197211A CN200810019721A CN101244434B CN 101244434 B CN101244434 B CN 101244434B CN 2008100197211 A CN2008100197211 A CN 2008100197211A CN 200810019721 A CN200810019721 A CN 200810019721A CN 101244434 B CN101244434 B CN 101244434B
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- CN
- China
- Prior art keywords
- steel tube
- cold
- coupling part
- cold drawing
- technique head
- 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 (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100197211A CN101244434B (en) | 2008-03-13 | 2008-03-13 | Technique head of cold drawing steel tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100197211A CN101244434B (en) | 2008-03-13 | 2008-03-13 | Technique head of cold drawing steel tube |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101244434A CN101244434A (en) | 2008-08-20 |
CN101244434B true CN101244434B (en) | 2010-06-16 |
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ID=39945238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100197211A Active CN101244434B (en) | 2008-03-13 | 2008-03-13 | Technique head of cold drawing steel tube |
Country Status (1)
Country | Link |
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CN (1) | CN101244434B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102500639B (en) * | 2011-10-27 | 2014-08-06 | 隆昌山川精密焊管有限责任公司 | Rectangular tube production process method for reducing square tube sharpening times |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2226987Y (en) * | 1995-03-14 | 1996-05-15 | 王玮 | Tube drawing apparatus |
EP0796676A2 (en) * | 1996-03-22 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Plugs for tube drawing machines |
US6735998B2 (en) * | 2002-10-04 | 2004-05-18 | George A. Mitchell Company | Method of making metal ball bats |
FR2848130A1 (en) * | 2002-12-04 | 2004-06-11 | Roehm Gmbh | Tensioner for strip or wire material has a tapering bore to increase the grip effect of grip jaws and to prevent the tensioner loosening inadvertently |
CN1796017A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Method for preparing seamless precision tube in large size |
CN201161253Y (en) * | 2008-03-13 | 2008-12-10 | 朱国良 | Technique head of cold drawing steel tube |
-
2008
- 2008-03-13 CN CN2008100197211A patent/CN101244434B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2226987Y (en) * | 1995-03-14 | 1996-05-15 | 王玮 | Tube drawing apparatus |
EP0796676A2 (en) * | 1996-03-22 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Plugs for tube drawing machines |
US6735998B2 (en) * | 2002-10-04 | 2004-05-18 | George A. Mitchell Company | Method of making metal ball bats |
FR2848130A1 (en) * | 2002-12-04 | 2004-06-11 | Roehm Gmbh | Tensioner for strip or wire material has a tapering bore to increase the grip effect of grip jaws and to prevent the tensioner loosening inadvertently |
CN1796017A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Method for preparing seamless precision tube in large size |
CN201161253Y (en) * | 2008-03-13 | 2008-12-10 | 朱国良 | Technique head of cold drawing steel tube |
Also Published As
Publication number | Publication date |
---|---|
CN101244434A (en) | 2008-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: Jiangsu Wujin Stainless Steel Pipe Group Co.,Ltd. Assignor: Zhu Guoliang Contract record no.: 2010320000792 Denomination of invention: Technique head of cold drawing steel tube License type: Exclusive License Open date: 20080820 Record date: 20100625 |
|
ASS | Succession or assignment of patent right |
Owner name: JIANGSU WUJIN STAINLESS CO., LTD. Free format text: FORMER OWNER: ZHU GUOLIANG Effective date: 20120705 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213111 DONGSHU VILLAGE COMMITTEE, ZHENGLU TOWN, WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE TO: 213111 NO.1, WUDENG ROAD(WEST), ZHENGLU TOWN, WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120705 Address after: Zheng Lu Wu Cheng Road Wujin District 213111 Jiangsu city of Changzhou province No. 1 Patentee after: Jiangsu Wujin Stainless Steel Co., Ltd. Address before: Zheng Lu Wujin District 213111 Jiangsu city of Changzhou province Dong Shu Cun Wei Qian Dong Shu Patentee before: Zhu Guoliang |