CN1274988C - 强磁堵漏装置及其封堵方法 - Google Patents
强磁堵漏装置及其封堵方法 Download PDFInfo
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- CN1274988C CN1274988C CN 02149211 CN02149211A CN1274988C CN 1274988 C CN1274988 C CN 1274988C CN 02149211 CN02149211 CN 02149211 CN 02149211 A CN02149211 A CN 02149211A CN 1274988 C CN1274988 C CN 1274988C
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- Prior art keywords
- baffling device
- plugging
- leak stopping
- strong magnetic
- stopping piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02149211 CN1274988C (zh) | 2002-11-06 | 2002-11-06 | 强磁堵漏装置及其封堵方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02149211 CN1274988C (zh) | 2002-11-06 | 2002-11-06 | 强磁堵漏装置及其封堵方法 |
Publications (2)
Publication Number | Publication Date |
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CN1499121A CN1499121A (zh) | 2004-05-26 |
CN1274988C true CN1274988C (zh) | 2006-09-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 02149211 Expired - Fee Related CN1274988C (zh) | 2002-11-06 | 2002-11-06 | 强磁堵漏装置及其封堵方法 |
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CN (1) | CN1274988C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102060151B (zh) * | 2010-11-24 | 2012-08-22 | 太原理工大学 | 风险源泄漏自适应万向强磁封堵装置及其快速封堵方法 |
CN102198882B (zh) * | 2010-11-25 | 2013-04-10 | 陈苏 | 独立控制强磁堵漏装置的独立控制器及其堵漏装置 |
JP6893802B2 (ja) * | 2017-03-06 | 2021-06-23 | 東京瓦斯株式会社 | 噴出ガス応急遮断具及び噴出ガスの応急遮断方法 |
CN111981241B (zh) * | 2020-08-21 | 2021-10-26 | 燕山大学 | 一种基于磁力控制的管道带压封堵装置 |
CN112576856A (zh) * | 2020-12-16 | 2021-03-30 | 华能海南发电股份有限公司电力检修分公司 | 一种新型的电磁式管道堵漏工具及其使用方法 |
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2002
- 2002-11-06 CN CN 02149211 patent/CN1274988C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN1499121A (zh) | 2004-05-26 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TIANJIN MAGIC-SEAL SCIENCE AND TECHNOLOGY DEVELOPM Free format text: FORMER OWNER: ZHU ZHIQIANG Effective date: 20110902 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300282 DAGANG, TIANJIN TO: 300180 DONGLI, TIANJIN |
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TR01 | Transfer of patent right |
Effective date of registration: 20110902 Address after: 300180, room 31, 2-218, five, Haibin Road, Tianjin Port Free Trade Zone Patentee after: TIANJIN MAGIC-SEAL SCIENCE AND TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 300282, Tianjin, Grand Port, West Bridge Street transportation port West three base 26-4 Patentee before: Zhu Zhiqiang |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20211106 |
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CF01 | Termination of patent right due to non-payment of annual fee |