CN100375857C - 强磁封堵器及其封堵方法 - Google Patents
强磁封堵器及其封堵方法 Download PDFInfo
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- CN100375857C CN100375857C CNB03130480XA CN03130480A CN100375857C CN 100375857 C CN100375857 C CN 100375857C CN B03130480X A CNB03130480X A CN B03130480XA CN 03130480 A CN03130480 A CN 03130480A CN 100375857 C CN100375857 C CN 100375857C
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- plugging device
- strong magnetic
- shutoff
- face
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB03130480XA CN100375857C (zh) | 2003-07-29 | 2003-07-29 | 强磁封堵器及其封堵方法 |
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CNB03130480XA CN100375857C (zh) | 2003-07-29 | 2003-07-29 | 强磁封堵器及其封堵方法 |
Publications (2)
Publication Number | Publication Date |
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CN1474081A CN1474081A (zh) | 2004-02-11 |
CN100375857C true CN100375857C (zh) | 2008-03-19 |
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CNB03130480XA Expired - Fee Related CN100375857C (zh) | 2003-07-29 | 2003-07-29 | 强磁封堵器及其封堵方法 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102865366A (zh) * | 2012-10-08 | 2013-01-09 | 中国人民解放军军事交通学院 | 强磁堵漏栓 |
CN105333256A (zh) * | 2015-09-25 | 2016-02-17 | 重庆燕蓝科技有限公司 | 用于车载水箱的伸缩连接管 |
CN106907545A (zh) * | 2017-04-18 | 2017-06-30 | 中国石油大学(华东) | 油气管道泄漏油气快速收集装置 |
CN110553114A (zh) * | 2018-06-02 | 2019-12-10 | 张一虎 | 一种导流型堵漏基座和快连结构 |
CN111438420A (zh) * | 2020-04-17 | 2020-07-24 | 中船黄埔文冲船舶有限公司 | 一种用于在主管道上开支管的开孔装置 |
CN112372250A (zh) * | 2020-11-16 | 2021-02-19 | 广东理标信息科技有限公司 | 一种强磁封堵器的加工方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2727650A (en) * | 1954-12-15 | 1955-12-20 | Thomas F Moynihan | Magnetic seal for leaks in oil tanks and the like |
CN1054128A (zh) * | 1991-03-09 | 1991-08-28 | 山东省特种粘接技术研究所 | 快速带压堵漏方法和设备 |
CN2090803U (zh) * | 1990-11-20 | 1991-12-18 | 河北冶金企业集团特殊材料公司 | 一种磁性堵漏器 |
WO1992004574A1 (en) * | 1990-09-11 | 1992-03-19 | Environmental Emergency Seals Pty Limited | Apparatus and method of sealing ruptured tanks |
JPH10332073A (ja) * | 1997-05-27 | 1998-12-15 | Sumitomo Metal Ind Ltd | ガス導管の補修方法 |
CN1259474A (zh) * | 1999-12-16 | 2000-07-12 | 金雹峰 | 磁压堵漏器 |
-
2003
- 2003-07-29 CN CNB03130480XA patent/CN100375857C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2727650A (en) * | 1954-12-15 | 1955-12-20 | Thomas F Moynihan | Magnetic seal for leaks in oil tanks and the like |
WO1992004574A1 (en) * | 1990-09-11 | 1992-03-19 | Environmental Emergency Seals Pty Limited | Apparatus and method of sealing ruptured tanks |
CN2090803U (zh) * | 1990-11-20 | 1991-12-18 | 河北冶金企业集团特殊材料公司 | 一种磁性堵漏器 |
CN1054128A (zh) * | 1991-03-09 | 1991-08-28 | 山东省特种粘接技术研究所 | 快速带压堵漏方法和设备 |
JPH10332073A (ja) * | 1997-05-27 | 1998-12-15 | Sumitomo Metal Ind Ltd | ガス導管の補修方法 |
CN1259474A (zh) * | 1999-12-16 | 2000-07-12 | 金雹峰 | 磁压堵漏器 |
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Publication number | Publication date |
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CN1474081A (zh) | 2004-02-11 |
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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 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 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 Technology Development Co., Ltd. Address before: 300280 1 Li, Xiyuan District, No. three hospital, Tianjin, Grand Port, 2-4-501 Patentee before: Zhu Zhiqiang |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20180729 |
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CF01 | Termination of patent right due to non-payment of annual fee |