CN201739573U - 水表用倒流防止器 - Google Patents
水表用倒流防止器 Download PDFInfo
- Publication number
- CN201739573U CN201739573U CN2010201436640U CN201020143664U CN201739573U CN 201739573 U CN201739573 U CN 201739573U CN 2010201436640 U CN2010201436640 U CN 2010201436640U CN 201020143664 U CN201020143664 U CN 201020143664U CN 201739573 U CN201739573 U CN 201739573U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- valve
- joint
- backflow preventer
- water meter
- 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 34
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012856 packing Methods 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Check Valves (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201436640U CN201739573U (zh) | 2010-03-29 | 2010-03-29 | 水表用倒流防止器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201436640U CN201739573U (zh) | 2010-03-29 | 2010-03-29 | 水表用倒流防止器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201739573U true CN201739573U (zh) | 2011-02-09 |
Family
ID=43554848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010201436640U Expired - Lifetime CN201739573U (zh) | 2010-03-29 | 2010-03-29 | 水表用倒流防止器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201739573U (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207214A (zh) * | 2010-03-29 | 2011-10-05 | 刘永 | 水表用倒流防止器 |
CN103062452A (zh) * | 2013-01-30 | 2013-04-24 | 安英子 | 防倒流装置 |
CN104843626A (zh) * | 2014-02-19 | 2015-08-19 | 北大方正集团有限公司 | 化学品中央共酸系统用连接装置 |
-
2010
- 2010-03-29 CN CN2010201436640U patent/CN201739573U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207214A (zh) * | 2010-03-29 | 2011-10-05 | 刘永 | 水表用倒流防止器 |
CN103062452A (zh) * | 2013-01-30 | 2013-04-24 | 安英子 | 防倒流装置 |
CN103062452B (zh) * | 2013-01-30 | 2015-03-04 | 安英子 | 防倒流装置 |
CN104843626A (zh) * | 2014-02-19 | 2015-08-19 | 北大方正集团有限公司 | 化学品中央共酸系统用连接装置 |
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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 |
Free format text: FORMER OWNER: LIU QING Effective date: 20120924 Owner name: TIANJIN GUOWEI WATER SUPPLY AND DRAINAGE EQUIPMENT Free format text: FORMER OWNER: LIU YONG Effective date: 20120924 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120924 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 |
|
DD01 | Delivery of document by public notice |
Addressee: Liu Qing Document name: Notification of Passing Examination on Formalities |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Backflow preventing device for water meter Effective date of registration: 20131122 Granted publication date: 20110209 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Tianjin Guowei Feeding & Drainage Equipment Ment Manufacturing Co., Ltd. Registration number: 2013120000050 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140305 Granted publication date: 20110209 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Tianjin Guowei Feeding & Drainage Equipment Ment Manufacturing Co., Ltd. Registration number: 2013120000050 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CX01 | Expiry of patent term |
Granted publication date: 20110209 |
|
CX01 | Expiry of patent term |