CN1707146A - 球阀阀芯及其制造方法 - Google Patents
球阀阀芯及其制造方法 Download PDFInfo
- Publication number
- CN1707146A CN1707146A CN 200410025327 CN200410025327A CN1707146A CN 1707146 A CN1707146 A CN 1707146A CN 200410025327 CN200410025327 CN 200410025327 CN 200410025327 A CN200410025327 A CN 200410025327A CN 1707146 A CN1707146 A CN 1707146A
- Authority
- CN
- China
- Prior art keywords
- spheroid
- ball valve
- valve core
- interior pipe
- ball
- 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.)
- Granted
Links
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- Taps Or Cocks (AREA)
- Valve Housings (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100253270A CN100356095C (zh) | 2004-06-10 | 2004-06-10 | 球阀阀芯的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100253270A CN100356095C (zh) | 2004-06-10 | 2004-06-10 | 球阀阀芯的制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1707146A true CN1707146A (zh) | 2005-12-14 |
CN100356095C CN100356095C (zh) | 2007-12-19 |
Family
ID=35581205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100253270A Expired - Fee Related CN100356095C (zh) | 2004-06-10 | 2004-06-10 | 球阀阀芯的制造方法 |
Country Status (1)
Country | Link |
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CN (1) | CN100356095C (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102211190A (zh) * | 2011-05-20 | 2011-10-12 | 北京科技大学 | 一种制备硬质合金空心球体的模具及制备方法 |
CN102601850A (zh) * | 2012-03-16 | 2012-07-25 | 奉化市釜用密封件有限公司 | 碳化硅球阀阀芯加工方法 |
CN102615292A (zh) * | 2012-04-10 | 2012-08-01 | 永高股份有限公司 | 一种给水球阀球芯的加工方法 |
CN103115163A (zh) * | 2013-03-08 | 2013-05-22 | 杨建国 | 一种球阀阀芯及其生产方法 |
CN104653812A (zh) * | 2015-03-05 | 2015-05-27 | 许晨寒 | 一种球阀阀芯及其加工方法 |
CN109866092A (zh) * | 2018-11-28 | 2019-06-11 | 自贡硬质合金有限责任公司 | 一种球阀加工方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518742A (en) * | 1967-08-30 | 1970-07-07 | Sem Tec Inc | Cavity wall valve balls and a method of manufacturing them |
JPH11320018A (ja) * | 1998-05-11 | 1999-11-24 | Kosho Ko | ボールバルブのボール形部材の形成方法 |
US5979873A (en) * | 1998-11-16 | 1999-11-09 | Wu; Lei-Jui | Method of making ball valves |
CN2490374Y (zh) * | 2001-06-22 | 2002-05-08 | 沈海星 | 封闭式空心阀球 |
-
2004
- 2004-06-10 CN CNB2004100253270A patent/CN100356095C/zh not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102211190A (zh) * | 2011-05-20 | 2011-10-12 | 北京科技大学 | 一种制备硬质合金空心球体的模具及制备方法 |
CN102211190B (zh) * | 2011-05-20 | 2012-09-19 | 北京科技大学 | 一种制备硬质合金空心球体的模具及制备方法 |
CN102601850A (zh) * | 2012-03-16 | 2012-07-25 | 奉化市釜用密封件有限公司 | 碳化硅球阀阀芯加工方法 |
CN102601850B (zh) * | 2012-03-16 | 2014-04-16 | 奉化市釜用密封件有限公司 | 碳化硅球阀阀芯加工方法 |
CN102615292A (zh) * | 2012-04-10 | 2012-08-01 | 永高股份有限公司 | 一种给水球阀球芯的加工方法 |
CN102615292B (zh) * | 2012-04-10 | 2013-10-23 | 永高股份有限公司 | 一种给水球阀球芯的加工方法 |
CN103115163A (zh) * | 2013-03-08 | 2013-05-22 | 杨建国 | 一种球阀阀芯及其生产方法 |
CN103115163B (zh) * | 2013-03-08 | 2015-10-28 | 杨建国 | 一种球阀阀芯及其生产方法 |
CN104653812A (zh) * | 2015-03-05 | 2015-05-27 | 许晨寒 | 一种球阀阀芯及其加工方法 |
CN104653812B (zh) * | 2015-03-05 | 2017-01-11 | 许晨寒 | 一种球阀阀芯及其加工方法 |
CN109866092A (zh) * | 2018-11-28 | 2019-06-11 | 自贡硬质合金有限责任公司 | 一种球阀加工方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100356095C (zh) | 2007-12-19 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Huacheng Valve Co., Ltd. Assignor: Zhejiang University of Technology Contract fulfillment period: 2008.8.5 to 2024.6.9 contract change Contract record no.: 2008330000156 Denomination of invention: Production method of valve core of ball valve and its special-purpose mould Granted publication date: 20071219 License type: Exclusive license Record date: 2008.8.11 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.5 TO 2024.6.9 Name of requester: NINGBO HUA CHENG VALVE CO. Effective date: 20080811 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20140610 |
|
EXPY | Termination of patent right or utility model |