CN104466829B - A kind of power pipe plugging device - Google Patents
A kind of power pipe plugging device Download PDFInfo
- Publication number
- 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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- CN
- China
- Prior art keywords
- sliding sleeve
- rubbery body
- elastic rubbery
- leading screw
- elastic
- Prior art date
- 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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- 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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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410762539.0A CN104466829B (en) | 2014-12-14 | 2014-12-14 | A kind of power pipe plugging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410762539.0A CN104466829B (en) | 2014-12-14 | 2014-12-14 | A kind of power pipe plugging device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104466829A CN104466829A (en) | 2015-03-25 |
CN104466829B true CN104466829B (en) | 2018-05-01 |
Family
ID=52912435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410762539.0A Active CN104466829B (en) | 2014-12-14 | 2014-12-14 | A kind of power pipe plugging device |
Country Status (1)
Country | Link |
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CN (1) | CN104466829B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3993103A (en) * | 1975-09-18 | 1976-11-23 | Inner-Tite (A Division Of Yara Engineering Corporation) | Pipe line expansion plugs and tools |
DE9211978U1 (en) * | 1992-09-05 | 1992-11-12 | Doyma-Rohrdurchführungstechnik Hans-Ullrich Ihlenfeldt, 2806 Oyten | Pipe sealing insert with centering device |
CN201582526U (en) * | 2009-11-25 | 2010-09-15 | 王维平 | Marine pipe plug |
CN203099207U (en) * | 2013-03-19 | 2013-07-31 | 何伟林 | Pipeline seal plug |
CN204271602U (en) * | 2014-12-14 | 2015-04-15 | 国家电网公司 | A kind of power pipe plugging device |
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2014
- 2014-12-14 CN CN201410762539.0A patent/CN104466829B/en active Active
Also Published As
Publication number | Publication date |
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CN104466829A (en) | 2015-03-25 |
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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 | ||
CB03 | Change of inventor or designer information |
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 |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |