CN109296007B - 一种用于内涝防脱的球墨圆形下水道井盖的泄压装置 - Google Patents
一种用于内涝防脱的球墨圆形下水道井盖的泄压装置 Download PDFInfo
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- CN109296007B CN109296007B CN201811062338.4A CN201811062338A CN109296007B CN 109296007 B CN109296007 B CN 109296007B CN 201811062338 A CN201811062338 A CN 201811062338A CN 109296007 B CN109296007 B CN 109296007B
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- pressure relief
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1436—Covers for manholes or the like; Frames for covers with overflow or explosion control means, e.g. check or relief valves
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
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CN201811062338.4A CN109296007B (zh) | 2018-09-12 | 2018-09-12 | 一种用于内涝防脱的球墨圆形下水道井盖的泄压装置 |
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CN201811062338.4A CN109296007B (zh) | 2018-09-12 | 2018-09-12 | 一种用于内涝防脱的球墨圆形下水道井盖的泄压装置 |
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CN109296007A CN109296007A (zh) | 2019-02-01 |
CN109296007B true CN109296007B (zh) | 2020-09-08 |
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CN201811062338.4A Active CN109296007B (zh) | 2018-09-12 | 2018-09-12 | 一种用于内涝防脱的球墨圆形下水道井盖的泄压装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110512652B (zh) * | 2019-08-28 | 2021-04-30 | 安徽普瑞明精密机械有限公司 | 一种承载达到f900的重型球墨铸铁井盖 |
CN111608255B (zh) * | 2020-07-09 | 2021-04-20 | 高平市隆兴泰农业机械制造有限公司 | 一种城市防涝窨井盖 |
CN113338342B (zh) * | 2021-06-08 | 2023-09-26 | 山东工业职业学院 | 一种固定排水井盖的固定与标识装置 |
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Effective date of registration: 20200722 Address after: Room 309-17, Fuquan scientific innovation industrial park, Fuquan street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Jingyue Intelligent Technology Co.,Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 205, Wuhan University of Technology Applicant before: Guo Junhua |
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Effective date of registration: 20221129 Address after: 061300 Da Nan Ma Cun Section, Zhenggang Industrial Zone, Yanshan County, Cangzhou City, Hebei Province Patentee after: Hebei Jianliang Metal Products Co.,Ltd. Address before: Room 309-17, Fuquan scientific innovation industrial park, Fuquan street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Jingyue Intelligent Technology Co.,Ltd. |
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