CN2599223Y - Wafer valve for oil field - Google Patents
Wafer valve for oil field Download PDFInfo
- Publication number
- CN2599223Y CN2599223Y CNU022929061U CN02292906U CN2599223Y CN 2599223 Y CN2599223 Y CN 2599223Y CN U022929061 U CNU022929061 U CN U022929061U CN 02292906 U CN02292906 U CN 02292906U CN 2599223 Y CN2599223 Y CN 2599223Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- seal ring
- ring
- valve body
- 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
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- Lift Valve (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU022929061U CN2599223Y (en) | 2002-12-23 | 2002-12-23 | Wafer valve for oil field |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU022929061U CN2599223Y (en) | 2002-12-23 | 2002-12-23 | Wafer valve for oil field |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2599223Y true CN2599223Y (en) | 2004-01-14 |
Family
ID=34151732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU022929061U Expired - Lifetime CN2599223Y (en) | 2002-12-23 | 2002-12-23 | Wafer valve for oil field |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2599223Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832119A (en) * | 2010-03-18 | 2010-09-15 | 江苏咸中石油机械有限公司 | Low-consumption flat valve |
CN101979819A (en) * | 2010-10-01 | 2011-02-23 | 江苏信得石油机械有限公司 | Embedded high-pressure side door floating sealing device |
-
2002
- 2002-12-23 CN CNU022929061U patent/CN2599223Y/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832119A (en) * | 2010-03-18 | 2010-09-15 | 江苏咸中石油机械有限公司 | Low-consumption flat valve |
CN101832119B (en) * | 2010-03-18 | 2013-01-23 | 江苏咸中石油机械有限公司 | Low-consumption flat valve |
CN101979819A (en) * | 2010-10-01 | 2011-02-23 | 江苏信得石油机械有限公司 | Embedded high-pressure side door floating sealing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Xinde Petroleum Machinery Co., Ltd. Assignor: Xinde Petroleum Machinery Plant, Yancheng City Contract fulfillment period: 2008.5.18 to 2013.5.18 Contract record no.: 2009320000510 Denomination of utility model: Wafer valve for oil field Granted publication date: 20040114 License type: Exclusive license Record date: 20090327 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.18 TO 2013.5.18; CHANGE OF CONTRACT Name of requester: JIANGSU XINDE PETROLEUM MECHANICAL CO., LTD. Effective date: 20090327 |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20121223 Granted publication date: 20040114 |