CN1323250C - 双向四氟密封蝶阀 - Google Patents
双向四氟密封蝶阀 Download PDFInfo
- Publication number
- CN1323250C CN1323250C CNB2005100267403A CN200510026740A CN1323250C CN 1323250 C CN1323250 C CN 1323250C CN B2005100267403 A CNB2005100267403 A CN B2005100267403A CN 200510026740 A CN200510026740 A CN 200510026740A CN 1323250 C CN1323250 C CN 1323250C
- Authority
- CN
- China
- Prior art keywords
- valve body
- pressing plate
- valve
- groove
- sealing seat
- 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.)
- Active
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title abstract 2
- 239000004810 polytetrafluoroethylene Substances 0.000 title abstract 2
- -1 polytetrafluoroethylene Polymers 0.000 title 1
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 7
- 238000010008 shearing Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100267403A CN1323250C (zh) | 2005-06-15 | 2005-06-15 | 双向四氟密封蝶阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100267403A CN1323250C (zh) | 2005-06-15 | 2005-06-15 | 双向四氟密封蝶阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1699805A CN1699805A (zh) | 2005-11-23 |
CN1323250C true CN1323250C (zh) | 2007-06-27 |
Family
ID=35475995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100267403A Active CN1323250C (zh) | 2005-06-15 | 2005-06-15 | 双向四氟密封蝶阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1323250C (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1282365A (en) * | 1970-07-06 | 1972-07-19 | Fwi Inc | Butterfly valve having improved positive closure means |
GB1388821A (en) * | 1972-03-10 | 1975-03-26 | Crane Canada Ltd | Butterfly fluid control valves |
GB2101278A (en) * | 1981-05-28 | 1983-01-12 | Itt | Bidirectional valve sea |
EP0086314A1 (fr) * | 1982-02-15 | 1983-08-24 | APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I. Société anonyme dite: | Dispositif de serrage, à déplacement de faible amplitude, d'un élément tel qu'un joint d'étanchéité |
US5579718A (en) * | 1995-03-31 | 1996-12-03 | Applied Materials, Inc. | Slit valve door |
CN2799997Y (zh) * | 2005-06-15 | 2006-07-26 | 黄作兴 | 双向四氟密封蝶阀 |
-
2005
- 2005-06-15 CN CNB2005100267403A patent/CN1323250C/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1282365A (en) * | 1970-07-06 | 1972-07-19 | Fwi Inc | Butterfly valve having improved positive closure means |
GB1388821A (en) * | 1972-03-10 | 1975-03-26 | Crane Canada Ltd | Butterfly fluid control valves |
GB2101278A (en) * | 1981-05-28 | 1983-01-12 | Itt | Bidirectional valve sea |
EP0086314A1 (fr) * | 1982-02-15 | 1983-08-24 | APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I. Société anonyme dite: | Dispositif de serrage, à déplacement de faible amplitude, d'un élément tel qu'un joint d'étanchéité |
US5579718A (en) * | 1995-03-31 | 1996-12-03 | Applied Materials, Inc. | Slit valve door |
CN2799997Y (zh) * | 2005-06-15 | 2006-07-26 | 黄作兴 | 双向四氟密封蝶阀 |
Also Published As
Publication number | Publication date |
---|---|
CN1699805A (zh) | 2005-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGNAN VALVES CO., LTD. Free format text: FORMER OWNER: HUANG ZUOXING Effective date: 20081107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: No. 616, Airport Avenue, Wenzhou, Zhejiang Patentee after: JIANGNAN VALVE Co.,Ltd. Address before: No. 8, Song Yuan Garden, 698 song song Garden Road, Shanghai Patentee before: Huang Zuoxing |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Bi-directional PTFE sealed butterfly valve Effective date of registration: 20231007 Granted publication date: 20070627 Pledgee: Zhejiang Wenzhou Longwan Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: JIANGNAN VALVE Co.,Ltd. Registration number: Y2023980059799 |