CN205877296U - 一种防火止回阀用连接机构及防火止回阀 - Google Patents
一种防火止回阀用连接机构及防火止回阀 Download PDFInfo
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- CN205877296U CN205877296U CN201620865723.2U CN201620865723U CN205877296U CN 205877296 U CN205877296 U CN 205877296U CN 201620865723 U CN201620865723 U CN 201620865723U CN 205877296 U CN205877296 U CN 205877296U
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- fire
- hole
- check valve
- bindiny mechanism
- preventing check
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- 230000008878 coupling Effects 0.000 title abstract 4
- 238000010168 coupling process Methods 0.000 title abstract 4
- 238000005859 coupling reaction Methods 0.000 title abstract 4
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620865723.2U CN205877296U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀用连接机构及防火止回阀 |
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CN201620865723.2U CN205877296U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀用连接机构及防火止回阀 |
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CN205877296U true CN205877296U (zh) | 2017-01-11 |
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CN201620865723.2U Expired - Fee Related CN205877296U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀用连接机构及防火止回阀 |
Country Status (1)
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CN (1) | CN205877296U (zh) |
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2016
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Denomination of utility model: Connecting mechanism for fireproof check valve and fireproof check valve Granted publication date: 20170111 License type: Exclusive License Record date: 20200727 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Date of cancellation: 20201113 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000595 Denomination of utility model: The utility model relates to a connecting mechanism for a fire-proof check valve and a fire-proof check valve Granted publication date: 20170111 License type: Exclusive License Record date: 20201113 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |