CN211331186U - 一种用于螺栓大头部内孔成型的冲头系统及热锻冲床 - Google Patents
一种用于螺栓大头部内孔成型的冲头系统及热锻冲床 Download PDFInfo
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- CN211331186U CN211331186U CN201922237598.7U CN201922237598U CN211331186U CN 211331186 U CN211331186 U CN 211331186U CN 201922237598 U CN201922237598 U CN 201922237598U CN 211331186 U CN211331186 U CN 211331186U
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| CN201922237598.7U CN211331186U (zh) | 2019-12-13 | 2019-12-13 | 一种用于螺栓大头部内孔成型的冲头系统及热锻冲床 |
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| CN201922237598.7U CN211331186U (zh) | 2019-12-13 | 2019-12-13 | 一种用于螺栓大头部内孔成型的冲头系统及热锻冲床 |
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| CN211331186U true CN211331186U (zh) | 2020-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579145A (zh) * | 2021-07-24 | 2021-11-02 | 海盐科宏模具有限公司 | 一种冷镦精密螺钉加工用十字槽冲头组件 |
| CN113926916A (zh) * | 2021-10-27 | 2022-01-14 | 襄阳润欣圆锻造有限公司 | 一种便于排气的内圈封闭成型冲头 |
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2019
- 2019-12-13 CN CN201922237598.7U patent/CN211331186U/zh active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579145A (zh) * | 2021-07-24 | 2021-11-02 | 海盐科宏模具有限公司 | 一种冷镦精密螺钉加工用十字槽冲头组件 |
| CN113926916A (zh) * | 2021-10-27 | 2022-01-14 | 襄阳润欣圆锻造有限公司 | 一种便于排气的内圈封闭成型冲头 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Guotai PGU Technology Co.,Ltd. Assignor: Hunan PGU Technology Co.,Ltd. Contract record no.: X2024980020003 Denomination of utility model: A punch system and hot forging punch for forming inner holes of bolt head Granted publication date: 20200825 License type: Common License Record date: 20241028 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Henan Guotai PGU Technology Co.,Ltd. Assignor: Hunan PGU Technology Co.,Ltd. Contract record no.: X2024980020003 Date of cancellation: 20250923 |