CN208619894U - 用于衬塑复合钢管的连接结构 - Google Patents
用于衬塑复合钢管的连接结构 Download PDFInfo
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- CN208619894U CN208619894U CN201821093452.9U CN201821093452U CN208619894U CN 208619894 U CN208619894 U CN 208619894U CN 201821093452 U CN201821093452 U CN 201821093452U CN 208619894 U CN208619894 U CN 208619894U
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- Prior art keywords
- connecting flange
- connection structure
- gasket ring
- steel pipe
- welding
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CN201821093452.9U CN208619894U (zh) | 2018-07-10 | 2018-07-10 | 用于衬塑复合钢管的连接结构 |
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CN201821093452.9U CN208619894U (zh) | 2018-07-10 | 2018-07-10 | 用于衬塑复合钢管的连接结构 |
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CN208619894U true CN208619894U (zh) | 2019-03-19 |
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CN201821093452.9U Active CN208619894U (zh) | 2018-07-10 | 2018-07-10 | 用于衬塑复合钢管的连接结构 |
Country Status (1)
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CN (1) | CN208619894U (zh) |
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2018
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee after: Chengdu Common Steel and Plastic Products Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU BEIGEN PIPELINE TECHNOLOGY CO.,LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230530 Address after: No. 139, Xiangyang Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee after: Chengdu joint pipe manufacturing Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: Chengdu Common Steel and Plastic Products Co.,Ltd. |
|
TR01 | Transfer of patent right |