CN103173599B - 一种高精度、高强度钢材料的冷挤压方法 - Google Patents
一种高精度、高强度钢材料的冷挤压方法 Download PDFInfo
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- CN103173599B CN103173599B CN201310083016.9A CN201310083016A CN103173599B CN 103173599 B CN103173599 B CN 103173599B CN 201310083016 A CN201310083016 A CN 201310083016A CN 103173599 B CN103173599 B CN 103173599B
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CN103173599B true CN103173599B (zh) | 2015-08-05 |
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CN103934642B (zh) * | 2014-04-29 | 2016-06-01 | 华创融盛展示(北京)有限公司 | 一种钢材冷挤压工艺 |
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CN1757765A (zh) * | 2005-11-03 | 2006-04-12 | 上海保捷汽车零部件锻压有限公司 | 汽车零部件冷挤压坯料的软化方法 |
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CN1757765A (zh) * | 2005-11-03 | 2006-04-12 | 上海保捷汽车零部件锻压有限公司 | 汽车零部件冷挤压坯料的软化方法 |
Non-Patent Citations (1)
Title |
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"特深孔钢件冷挤压工艺";辛选荣等;《锻压技术》;20051231(第1期);第51-53页 * |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Cold Extrusion Method for High Precision and High Strength Steel Materials Effective date of registration: 20220927 Granted publication date: 20150805 Pledgee: Hubei Three Gorges Rural Commercial Bank Co.,Ltd. Qiaobian Sub branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2022980016697 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230911 Granted publication date: 20150805 Pledgee: Hubei Three Gorges Rural Commercial Bank Co.,Ltd. Qiaobian Sub branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2022980016697 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-precision and high-strength cold extrusion method for steel materials Effective date of registration: 20230920 Granted publication date: 20150805 Pledgee: Hubei Three Gorges Rural Commercial Bank Co.,Ltd. Qiaobian Sub branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980057665 |