CN203900264U - 一种有效避免直边的扩径模具 - Google Patents
一种有效避免直边的扩径模具 Download PDFInfo
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- CN203900264U CN203900264U CN201420329570.0U CN201420329570U CN203900264U CN 203900264 U CN203900264 U CN 203900264U CN 201420329570 U CN201420329570 U CN 201420329570U CN 203900264 U CN203900264 U CN 203900264U
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Cited By (1)
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CN104001817A (zh) * | 2014-06-19 | 2014-08-27 | 湘潭华进科技有限公司 | 一种有效避免直边的扩径模具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104001817A (zh) * | 2014-06-19 | 2014-08-27 | 湘潭华进科技有限公司 | 一种有效避免直边的扩径模具 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HUNAN PROVINCIAL TRANSMISSION AND DISTRIBUTION ENG Free format text: FORMER OWNER: XIANGTAN HUAJIN TECHNOLOGY CO., LTD. Effective date: 20150617 Owner name: XIANGTAN HUAJIN TECHNOLOGY CO., LTD. Effective date: 20150617 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150617 Address after: 411101 Xiangtan high tech Zone, Hunan Province South Road, No. 1 Patentee after: HUNAN SHENGLI XIANGGANG STEEL PIPE CO., LTD. Patentee after: Xiangtan Huajin Technology Co., Ltd. Address before: 411100 Xiangtan University Science Park, No. 112 Tan Shao Road, Hunan, Xiangtan Patentee before: Xiangtan Huajin Technology Co., Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUNAN SHENGLI XIANGGANG STEEL PIPE CO., LTD. Assignor: Hunan Shengli Steel Pipe Co. Ltd.|Xiangtan Xiangtan Huajin Technology Co. Ltd. Contract record no.: 2015430000094 Denomination of utility model: Expanding die effectively avoiding straight flanges Granted publication date: 20141029 License type: Exclusive License Record date: 20150706 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |