CN104466829B - 一种电力管道封堵器 - Google Patents
一种电力管道封堵器 Download PDFInfo
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- CN104466829B CN104466829B CN201410762539.0A CN201410762539A CN104466829B CN 104466829 B CN104466829 B CN 104466829B CN 201410762539 A CN201410762539 A CN 201410762539A CN 104466829 B CN104466829 B CN 104466829B
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- sliding sleeve
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- elastic rubbery
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- elastic
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- 238000012856 packing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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CN201410762539.0A CN104466829B (zh) | 2014-12-14 | 2014-12-14 | 一种电力管道封堵器 |
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CN201410762539.0A CN104466829B (zh) | 2014-12-14 | 2014-12-14 | 一种电力管道封堵器 |
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CN104466829A CN104466829A (zh) | 2015-03-25 |
CN104466829B true CN104466829B (zh) | 2018-05-01 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US3993103A (en) * | 1975-09-18 | 1976-11-23 | Inner-Tite (A Division Of Yara Engineering Corporation) | Pipe line expansion plugs and tools |
DE9211978U1 (de) * | 1992-09-05 | 1992-11-12 | Doyma-Rohrdurchführungstechnik Hans-Ullrich Ihlenfeldt, 2806 Oyten | Rohr-Dichtungseinsatz mit Zentriereinrichtung |
CN201582526U (zh) * | 2009-11-25 | 2010-09-15 | 王维平 | 船用管塞 |
CN203099207U (zh) * | 2013-03-19 | 2013-07-31 | 何伟林 | 管道密封塞 |
CN204271602U (zh) * | 2014-12-14 | 2015-04-15 | 国家电网公司 | 一种电力管道封堵器 |
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Inventor after: Liu Wei Inventor after: Li Fang Inventor after: Ren Jie Inventor after: Zhang Leilei Inventor after: Xu De Inventor after: Wang Hui Inventor after: Kong Liang Inventor after: Liu Dawei Inventor after: Niu Chuang Inventor after: Wang Xu Inventor after: Lin Xianglei Inventor after: Wang Meng Inventor before: Gao Hongying Inventor before: Wen Yan Inventor before: Zhou Weidong Inventor before: Lin Xianglei Inventor before: Zhang Liyue Inventor before: Liu Jianguang Inventor before: Other inventor requests not to publish the name |
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