CN201339771Y - 石油、天然气管道抗震防护管 - Google Patents
石油、天然气管道抗震防护管 Download PDFInfo
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- CN201339771Y CN201339771Y CNU2008201444423U CN200820144442U CN201339771Y CN 201339771 Y CN201339771 Y CN 201339771Y CN U2008201444423 U CNU2008201444423 U CN U2008201444423U CN 200820144442 U CN200820144442 U CN 200820144442U CN 201339771 Y CN201339771 Y CN 201339771Y
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- natural gas
- earthquake
- gas line
- protecting pipe
- tube body
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201444423U CN201339771Y (zh) | 2008-12-12 | 2008-12-12 | 石油、天然气管道抗震防护管 |
Applications Claiming Priority (1)
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CNU2008201444423U CN201339771Y (zh) | 2008-12-12 | 2008-12-12 | 石油、天然气管道抗震防护管 |
Publications (1)
Publication Number | Publication Date |
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CN201339771Y true CN201339771Y (zh) | 2009-11-04 |
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CNU2008201444423U Expired - Fee Related CN201339771Y (zh) | 2008-12-12 | 2008-12-12 | 石油、天然气管道抗震防护管 |
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CN (1) | CN201339771Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105442692A (zh) * | 2015-12-09 | 2016-03-30 | 武汉理工大学 | 一种高性能水泥基复合材料管 |
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2008
- 2008-12-12 CN CNU2008201444423U patent/CN201339771Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105442692A (zh) * | 2015-12-09 | 2016-03-30 | 武汉理工大学 | 一种高性能水泥基复合材料管 |
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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: CNOOC Haohua Environmental Engineering Co., Ltd. Assignor: Tianjin Waterline Pipeline Engineering Co., Ltd. Contract record no.: 2011990001114 Denomination of utility model: Earthquake-resistant protecting pipe with prestressed reinforcement framework and plastic inner lining for petroleum and natural gas pipelines Granted publication date: 20091104 License type: Exclusive License Record date: 20111226 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20131212 |