CN202531540U - 内部围压缓冲缸 - Google Patents
内部围压缓冲缸 Download PDFInfo
- Publication number
- CN202531540U CN202531540U CN2012200403545U CN201220040354U CN202531540U CN 202531540 U CN202531540 U CN 202531540U CN 2012200403545 U CN2012200403545 U CN 2012200403545U CN 201220040354 U CN201220040354 U CN 201220040354U CN 202531540 U CN202531540 U CN 202531540U
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- CN
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- Prior art keywords
- confined pressure
- cylinder body
- cushion
- pressure cushion
- peripheral pressure
- 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.)
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Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200403545U CN202531540U (zh) | 2012-02-08 | 2012-02-08 | 内部围压缓冲缸 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200403545U CN202531540U (zh) | 2012-02-08 | 2012-02-08 | 内部围压缓冲缸 |
Publications (1)
Publication Number | Publication Date |
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CN202531540U true CN202531540U (zh) | 2012-11-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200403545U Expired - Fee Related CN202531540U (zh) | 2012-02-08 | 2012-02-08 | 内部围压缓冲缸 |
Country Status (1)
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CN (1) | CN202531540U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108801799A (zh) * | 2018-07-05 | 2018-11-13 | 中国地质大学(北京) | 岩石压裂物理模拟系统及试验方法 |
-
2012
- 2012-02-08 CN CN2012200403545U patent/CN202531540U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108801799A (zh) * | 2018-07-05 | 2018-11-13 | 中国地质大学(北京) | 岩石压裂物理模拟系统及试验方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151022 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
|
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: 20121114 Termination date: 20210208 |