CN2359550Y - 球型万向密封组合装置 - Google Patents
球型万向密封组合装置 Download PDFInfo
- Publication number
- CN2359550Y CN2359550Y CN 98247372 CN98247372U CN2359550Y CN 2359550 Y CN2359550 Y CN 2359550Y CN 98247372 CN98247372 CN 98247372 CN 98247372 U CN98247372 U CN 98247372U CN 2359550 Y CN2359550 Y CN 2359550Y
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- Prior art keywords
- ball
- spheroid
- ball seat
- fixed
- sealing
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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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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98247372 CN2359550Y (zh) | 1998-12-23 | 1998-12-23 | 球型万向密封组合装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98247372 CN2359550Y (zh) | 1998-12-23 | 1998-12-23 | 球型万向密封组合装置 |
Publications (1)
Publication Number | Publication Date |
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CN2359550Y true CN2359550Y (zh) | 2000-01-19 |
Family
ID=33992623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 98247372 Expired - Lifetime CN2359550Y (zh) | 1998-12-23 | 1998-12-23 | 球型万向密封组合装置 |
Country Status (1)
Country | Link |
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CN (1) | CN2359550Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101900010A (zh) * | 2010-06-24 | 2010-12-01 | 天津雷沃动力股份有限公司 | 接插式液体传输装置 |
CN1944940B (zh) * | 2006-10-23 | 2011-06-08 | 杜文刚 | 抽油杆空心导向器 |
-
1998
- 1998-12-23 CN CN 98247372 patent/CN2359550Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944940B (zh) * | 2006-10-23 | 2011-06-08 | 杜文刚 | 抽油杆空心导向器 |
CN101900010A (zh) * | 2010-06-24 | 2010-12-01 | 天津雷沃动力股份有限公司 | 接插式液体传输装置 |
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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: MSP/DRILEX (SHANGHAI) CO.,LTD Free format text: FORMER OWNER: AMERICAN DRILLING AND PRODUCTION SYSTEM (SHANGHAI) CO., LTD. Effective date: 20070907 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070907 Address after: 200437, room 800, 407 Quyang Road, Shanghai, Hongkou District Patentee after: MSP/DRILEX (Shanghai) Inc. Address before: 401-402 room 800, 200437 Quyang Road, Shanghai Patentee before: America Drilling System (Shanghai) Co., Ltd. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |