CN201259067Y - 内加厚隔热油管 - Google Patents
内加厚隔热油管 Download PDFInfo
- Publication number
- CN201259067Y CN201259067Y CNU2007203122148U CN200720312214U CN201259067Y CN 201259067 Y CN201259067 Y CN 201259067Y CN U2007203122148 U CNU2007203122148 U CN U2007203122148U CN 200720312214 U CN200720312214 U CN 200720312214U CN 201259067 Y CN201259067 Y CN 201259067Y
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- Prior art keywords
- outer tube
- insulation layer
- heat insulation
- thickening
- pipe
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Abstract
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007203122148U CN201259067Y (zh) | 2007-12-28 | 2007-12-28 | 内加厚隔热油管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007203122148U CN201259067Y (zh) | 2007-12-28 | 2007-12-28 | 内加厚隔热油管 |
Publications (1)
Publication Number | Publication Date |
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CN201259067Y true CN201259067Y (zh) | 2009-06-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2007203122148U Expired - Fee Related CN201259067Y (zh) | 2007-12-28 | 2007-12-28 | 内加厚隔热油管 |
Country Status (1)
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CN (1) | CN201259067Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101520119B (zh) * | 2009-04-10 | 2011-02-16 | 李恒清 | 同心双层油管 |
CN102071879A (zh) * | 2011-01-07 | 2011-05-25 | 辽河石油勘探局总机械厂 | 一种新型预应力隔热油管 |
-
2007
- 2007-12-28 CN CNU2007203122148U patent/CN201259067Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101520119B (zh) * | 2009-04-10 | 2011-02-16 | 李恒清 | 同心双层油管 |
CN102071879A (zh) * | 2011-01-07 | 2011-05-25 | 辽河石油勘探局总机械厂 | 一种新型预应力隔热油管 |
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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 |
Owner name: SHANDONG PURUISITE PETRO-TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENGLI OIL FIELDLIWEI PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20091218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091218 Address after: Shandong, Dongying Shengli Industrial Park, south of Cheng Nan Road, east of route three, zip code: 257063 Co-patentee after: Petroleum Exploitation Center of Sinopec Shengli Petroleum Administration Bureau Patentee after: Shandong advanced Petroleum Technology Co., Ltd. Address before: Stone Science Park, south two road, Dongying, Shandong, zip code: 266107 Co-patentee before: Petroleum Exploitation Center of Sinopec Shengli Petroleum Administration Bureau Patentee before: Shengli Oilfield Liwei Petroleum Technology Co Ltd |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20161228 |