CN1289223C - Cold-bent central beam for manufacturing railway carriage - Google Patents
Cold-bent central beam for manufacturing railway carriage Download PDFInfo
- Publication number
- CN1289223C CN1289223C CN 03125344 CN03125344A CN1289223C CN 1289223 C CN1289223 C CN 1289223C CN 03125344 CN03125344 CN 03125344 CN 03125344 A CN03125344 A CN 03125344A CN 1289223 C CN1289223 C CN 1289223C
- Authority
- CN
- China
- Prior art keywords
- cold
- central sill
- central beam
- clod wash
- roll
- 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.)
- Expired - Fee Related
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- Heat Treatment Of Sheet Steel (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03125344 CN1289223C (en) | 2003-08-28 | 2003-08-28 | Cold-bent central beam for manufacturing railway carriage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03125344 CN1289223C (en) | 2003-08-28 | 2003-08-28 | Cold-bent central beam for manufacturing railway carriage |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1515365A CN1515365A (en) | 2004-07-28 |
CN1289223C true CN1289223C (en) | 2006-12-13 |
Family
ID=34239610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03125344 Expired - Fee Related CN1289223C (en) | 2003-08-28 | 2003-08-28 | Cold-bent central beam for manufacturing railway carriage |
Country Status (1)
Country | Link |
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CN (1) | CN1289223C (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE527722C2 (en) * | 2005-07-11 | 2006-05-23 | Ortic 3D Ab | Roll forming method for producing metal beam with hat profile, comprises forming hat corners between clamping rolls for side flanges and support roll for central flange |
CN101875079A (en) * | 2009-04-29 | 2010-11-03 | 上海和达汽车配件有限公司 | Rolling and forming system for processing reinforcement beam of automobile |
CN101569902B (en) * | 2009-05-27 | 2011-01-05 | 广东金刚玻璃科技股份有限公司 | Device for cold-bending dovetail groove in fireproofing accurate steel materials |
CN101954400B (en) * | 2010-05-31 | 2012-01-11 | 南京万汇新材料科技有限公司 | Continuous roll cold bending forming method for stainless steel water stop strips |
CN102431568A (en) * | 2010-09-29 | 2012-05-02 | 齐齐哈尔轨道交通装备有限责任公司 | Inverted U-shaped center sill structure |
CN102431567A (en) * | 2010-09-29 | 2012-05-02 | 齐齐哈尔轨道交通装备有限责任公司 | Center sill structure |
CN102489569B (en) * | 2011-12-26 | 2013-08-07 | 南京万汇新材料科技有限公司 | Continuous cold roll forming method for stainless steel vehicle roof boundary beam |
CN102513473B (en) * | 2011-12-26 | 2013-11-06 | 南京万汇新材料科技有限公司 | Continuous roller type cold-roll forming process for stainless steel covering panels of car bodies |
CN103286170B (en) * | 2013-06-14 | 2015-07-01 | 宜昌船舶柴油机有限公司 | Super-long double-U-shaped guide rail manufacturing method |
CN103498552B (en) * | 2013-09-02 | 2016-08-17 | 杨玉喜 | Cold-rolled forming section and preparation method thereof |
CN104275348B (en) * | 2014-10-09 | 2016-09-21 | 武汉钢铁(集团)公司 | A kind of hat steel formation system |
CN106195607B (en) * | 2016-08-25 | 2018-05-29 | 上海佳冷型钢有限公司 | Local closed open cold-forming sectional steel and its moulding process |
CN107716628B (en) * | 2017-10-27 | 2024-05-03 | 凌云工业股份有限公司 | Rebound control device for high-strength steel cold-formed product piece |
CN108906992A (en) * | 2018-06-29 | 2018-11-30 | 上海菲格瑞特汽车科技股份有限公司 | A kind of zigzag shape beam piece forming technology and its two times punch mold |
-
2003
- 2003-08-28 CN CN 03125344 patent/CN1289223C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1515365A (en) | 2004-07-28 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: WUHAN IRON AND STEEL GROUP CORP. Free format text: FORMER OWNER: HANKOU STEEL ROLLING MILL, WUHAN IRON + STEEL GROUP Effective date: 20061110 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061110 Address after: 430083 patent office, WISCO's science and technology innovation department, No. 2, gate, Gate No., Qingshan District, Wuhan, Hubei Patentee after: Wuhan Iron & Steel (Group) Co., Ltd. Address before: 430035 Gutian road in Hubei province Wuhan City Qiaokou District No. 61 Patentee before: Hankou Steel Rolling Mill, Wuhan Iron & Steel Group |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20160828 |
|
CF01 | Termination of patent right due to non-payment of annual fee |