CN202137728U - 真空偏芯蝶阀阀芯渗油处理专用工具 - Google Patents
真空偏芯蝶阀阀芯渗油处理专用工具 Download PDFInfo
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- CN202137728U CN202137728U CN201120218990U CN201120218990U CN202137728U CN 202137728 U CN202137728 U CN 202137728U CN 201120218990 U CN201120218990 U CN 201120218990U CN 201120218990 U CN201120218990 U CN 201120218990U CN 202137728 U CN202137728 U CN 202137728U
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- butterfly valve
- valve core
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- tool
- oil leakage
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- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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CN201120218990U CN202137728U (zh) | 2011-06-17 | 2011-06-17 | 真空偏芯蝶阀阀芯渗油处理专用工具 |
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CN201120218990U CN202137728U (zh) | 2011-06-17 | 2011-06-17 | 真空偏芯蝶阀阀芯渗油处理专用工具 |
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CN202137728U true CN202137728U (zh) | 2012-02-08 |
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CN201120218990U Expired - Fee Related CN202137728U (zh) | 2011-06-17 | 2011-06-17 | 真空偏芯蝶阀阀芯渗油处理专用工具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329474A (zh) * | 2014-10-31 | 2015-02-04 | 国家电网公司 | 一种快速紧固220kV主变压器蝶阀阀杆压圈工具及其制造方法 |
CN109323044A (zh) * | 2018-12-08 | 2019-02-12 | 大连福佳·大化石油化工有限公司 | 变压器真空管线蝶阀渗漏处理工装 |
-
2011
- 2011-06-17 CN CN201120218990U patent/CN202137728U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329474A (zh) * | 2014-10-31 | 2015-02-04 | 国家电网公司 | 一种快速紧固220kV主变压器蝶阀阀杆压圈工具及其制造方法 |
CN109323044A (zh) * | 2018-12-08 | 2019-02-12 | 大连福佳·大化石油化工有限公司 | 变压器真空管线蝶阀渗漏处理工装 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131203 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: HUANGGANG POWER SUPPLY COMPANY, HUBEI ELECTRIC POWER CO., LTD. Patentee after: MAINTENANCE COMPANY, HUANGGANG POWER SUPPLY CO., LTD. Address before: 438000 No. 9 Yanjiang Avenue, Huangzhou District, Hubei, Huanggang Patentee before: Huanggang Power Supply Company Substation Maintenance Center |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20190617 |