CN201858397U - 水表用倒流防止器 - Google Patents
水表用倒流防止器 Download PDFInfo
- Publication number
- CN201858397U CN201858397U CN2010202757545U CN201020275754U CN201858397U CN 201858397 U CN201858397 U CN 201858397U CN 2010202757545 U CN2010202757545 U CN 2010202757545U CN 201020275754 U CN201020275754 U CN 201020275754U CN 201858397 U CN201858397 U CN 201858397U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- valve
- water meter
- spring
- backflow preventer
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202757545U CN201858397U (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202757545U CN201858397U (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201858397U true CN201858397U (zh) | 2011-06-08 |
Family
ID=44104203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010202757545U Expired - Lifetime CN201858397U (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201858397U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102345751A (zh) * | 2010-07-29 | 2012-02-08 | 刘永 | 水表用倒流防止器 |
-
2010
- 2010-07-29 CN CN2010202757545U patent/CN201858397U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102345751A (zh) * | 2010-07-29 | 2012-02-08 | 刘永 | 水表用倒流防止器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TIANJIN GUOWEI WATER SUPPLY AND DRAINAGE EQUIPMENT Free format text: FORMER OWNER: LIU YONG Effective date: 20120926 Free format text: FORMER OWNER: LIU QING Effective date: 20120926 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120926 Address after: 300300 Tianjin District of Dongli City Yuejin Road No. 13 Patentee after: Tianjin Guowei Feeding & Drainage Equipment Ment Manufacturing Co., Ltd. Address before: 300300, Dongli District, Tai'an, Tianjin, 7, 2, 105 Patentee before: Liu Yong Patentee before: Liu Qing |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110608 |