CN2900756Y - 螺杆钻具传动轴下径向轴承防转装置 - Google Patents
螺杆钻具传动轴下径向轴承防转装置 Download PDFInfo
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- CN2900756Y CN2900756Y CN 200620118210 CN200620118210U CN2900756Y CN 2900756 Y CN2900756 Y CN 2900756Y CN 200620118210 CN200620118210 CN 200620118210 CN 200620118210 U CN200620118210 U CN 200620118210U CN 2900756 Y CN2900756 Y CN 2900756Y
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- Prior art keywords
- radial bearing
- transmission shaft
- lower radial
- power transmission
- moving cover
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- 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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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620118210 CN2900756Y (zh) | 2006-06-02 | 2006-06-02 | 螺杆钻具传动轴下径向轴承防转装置 |
Applications Claiming Priority (1)
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CN 200620118210 CN2900756Y (zh) | 2006-06-02 | 2006-06-02 | 螺杆钻具传动轴下径向轴承防转装置 |
Publications (1)
Publication Number | Publication Date |
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CN2900756Y true CN2900756Y (zh) | 2007-05-16 |
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CN 200620118210 Expired - Fee Related CN2900756Y (zh) | 2006-06-02 | 2006-06-02 | 螺杆钻具传动轴下径向轴承防转装置 |
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CN (1) | CN2900756Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268962A (zh) * | 2011-08-09 | 2011-12-07 | 西南石油大学 | 一种具有压力补偿功能的油密封螺杆钻具传动轴总成 |
CN107859688A (zh) * | 2017-12-04 | 2018-03-30 | 潍坊市宇宏石油机械有限公司 | 一种新型螺杆钻具用径向轴承及其生产工艺 |
-
2006
- 2006-06-02 CN CN 200620118210 patent/CN2900756Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268962A (zh) * | 2011-08-09 | 2011-12-07 | 西南石油大学 | 一种具有压力补偿功能的油密封螺杆钻具传动轴总成 |
CN107859688A (zh) * | 2017-12-04 | 2018-03-30 | 潍坊市宇宏石油机械有限公司 | 一种新型螺杆钻具用径向轴承及其生产工艺 |
CN107859688B (zh) * | 2017-12-04 | 2023-08-25 | 潍坊市宇宏石油机械有限公司 | 一种新型螺杆钻具用径向轴承及其生产工艺 |
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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: CNPC BOHAI PETROLEUM EQUIPMENT MANUFACTURING CO., Free format text: FORMER OWNER: DAGANG OIL FIELD GROUP CO., LTD. Effective date: 20100906 Free format text: FORMER OWNER: DAGANG OILFIELD GROUP, ZHONGCHENG MACHINERY MANUFACTURING CO., LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 DAGANG OILFIELD GROUP CO., LTD., YARD 3, DAGANG OILFIELD, TIANJIN CITY TO: 300280 CHUANGANG ROAD, DAGANG OILFIELD, DAGANG DISTRICT, TIANJIN CITY |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100906 Address after: 300280 Tianjin City, Grand Port Dagang Oilfield Sichuan Road Patentee after: CNPC Bohai Equipment Manufacturing Co., Ltd. Address before: 300280 Dagang Oilfield No. three, Dagang Oilfield, Tianjin, Refco Group Ltd Co-patentee before: Dagang Oilfield Group, Zhongcheng Machinery Manufacturing Co., Ltd. Patentee before: Dagang Oil Field Group Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20150602 |
|
EXPY | Termination of patent right or utility model |