CN300809022S - 密封环（纵向楔形搭接收缩抽油杆） - Google Patents
密封环（纵向楔形搭接收缩抽油杆）Info
- Publication number
- CN300809022S CN300809022S CN200730010834.1F CN200730010834F CN300809022S CN 300809022 S CN300809022 S CN 300809022S CN 200730010834 F CN200730010834 F CN 200730010834F CN 300809022 S CN300809022 S CN 300809022S
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- lap
- sealing ring
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- receive
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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
本外观设计的楔形搭接收缩抽油杆密封环的环体为开口重叠搭接结构，环体纵向为锥台形。
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN300809022S true CN300809022S (zh) | 2008-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Main classification number: 08-08 Termination date: 20090910 |