CN101148977B - 一种油管泄油器 - Google Patents
一种油管泄油器 Download PDFInfo
- Publication number
- CN101148977B CN101148977B CN2007101138894A CN200710113889A CN101148977B CN 101148977 B CN101148977 B CN 101148977B CN 2007101138894 A CN2007101138894 A CN 2007101138894A CN 200710113889 A CN200710113889 A CN 200710113889A CN 101148977 B CN101148977 B CN 101148977B
- Authority
- CN
- China
- Prior art keywords
- sealing shroud
- friction mechanism
- draining
- pipe
- oil
- 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 - Fee Related
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- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101138894A CN101148977B (zh) | 2007-10-10 | 2007-10-10 | 一种油管泄油器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101138894A CN101148977B (zh) | 2007-10-10 | 2007-10-10 | 一种油管泄油器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101148977A CN101148977A (zh) | 2008-03-26 |
CN101148977B true CN101148977B (zh) | 2011-04-13 |
Family
ID=39249661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101138894A Expired - Fee Related CN101148977B (zh) | 2007-10-10 | 2007-10-10 | 一种油管泄油器 |
Country Status (1)
Country | Link |
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CN (1) | CN101148977B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102808597B (zh) * | 2012-08-17 | 2015-05-27 | 易鲁川 | 油管泄油器 |
CA3098850A1 (en) | 2020-11-12 | 2022-05-12 | Plainsman Mfg. Inc. | Tubing drain with burst inner body |
CN112796703B (zh) * | 2021-03-16 | 2022-03-04 | 大庆市天德忠石油科技有限公司 | 一种爪簧式滑套泄油器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2273767Y (zh) * | 1996-09-25 | 1998-02-04 | 沈阳市蓝天采油工具研究所 | 一种分体式提油管泄油器 |
CN1702291A (zh) * | 2005-06-07 | 2005-11-30 | 孙贵艳 | 提油管泄油器 |
CN2851555Y (zh) * | 2005-06-07 | 2006-12-27 | 孙贵艳 | 提旋油管泄油器 |
CN201103379Y (zh) * | 2007-10-10 | 2008-08-20 | 白霞 | 一种油管泄油器 |
-
2007
- 2007-10-10 CN CN2007101138894A patent/CN101148977B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2273767Y (zh) * | 1996-09-25 | 1998-02-04 | 沈阳市蓝天采油工具研究所 | 一种分体式提油管泄油器 |
CN1702291A (zh) * | 2005-06-07 | 2005-11-30 | 孙贵艳 | 提油管泄油器 |
CN2851555Y (zh) * | 2005-06-07 | 2006-12-27 | 孙贵艳 | 提旋油管泄油器 |
CN201103379Y (zh) * | 2007-10-10 | 2008-08-20 | 白霞 | 一种油管泄油器 |
Also Published As
Publication number | Publication date |
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CN101148977A (zh) | 2008-03-26 |
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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 | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Mingwu Inventor after: Wang Shumian Inventor after: Zhang Wangang Inventor after: Liu Sen Inventor after: Zhang Yongjun Inventor after: Zhao Hongbin Inventor after: Sun Bin Inventor after: Gu Guangbin Inventor before: Yu Tongyin Inventor before: Bo Chunxia Inventor before: Luo Zhiwen Inventor before: Bai Xia |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YU TONGYIN BU CHUNXIA LUO ZHIWEN BAI XIA TO: WANG MINGWU WANG SHUMIN ZHANGWANGANG LIU SEN ZHANG YONGJUN ZHAO HONGBIN SUN BIN GU GUANGBIN |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20121010 |