CN87213742U - 封刮器 - Google Patents
封刮器 Download PDFInfo
- Publication number
- CN87213742U CN87213742U CN 87213742 CN87213742U CN87213742U CN 87213742 U CN87213742 U CN 87213742U CN 87213742 CN87213742 CN 87213742 CN 87213742 U CN87213742 U CN 87213742U CN 87213742 U CN87213742 U CN 87213742U
- Authority
- CN
- China
- Prior art keywords
- rubber
- sealing
- oil
- wick
- sealing scraper
- 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.)
- Withdrawn
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- Sealing Material Composition (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 87213742 CN87213742U (zh) | 1987-09-20 | 1987-09-20 | 封刮器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 87213742 CN87213742U (zh) | 1987-09-20 | 1987-09-20 | 封刮器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN87213742U true CN87213742U (zh) | 1988-08-31 |
Family
ID=4828180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 87213742 Withdrawn CN87213742U (zh) | 1987-09-20 | 1987-09-20 | 封刮器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN87213742U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102720457A (zh) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | 一种可调抽油杆密封组件 |
-
1987
- 1987-09-20 CN CN 87213742 patent/CN87213742U/zh not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102720457A (zh) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | 一种可调抽油杆密封组件 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Patentee address after: Shaping Town, Chongqing, Sichuan Province, Chongqing Pump Factory Address of the applicant after: Study on Chongqing water pump factory in Chongqing City, Sichuan Province town of Sha Ping Address of the applicant before: Qianjiang County, Hubei province fan Xing Aluminum mining room Patentee address before: Qianjiang County, Hubei province fan Xing Aluminum mining room |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT ADDRESS; FROM: ROOM 3, FANXINGLVCAI INSTITUTE, QIANJIANG CITY COUNTY, HUBEI PROVINCE TO: SHAPING TOWN, CHONGQING, SICHUAN PROVINCE, CHONGQING WATER PUMP PLANT INSTITUTE; APPLICANT ADDRESS; FROM: ROOM 3, FANXINGLVCAI INSTITUTE, QIANJIANG CITY COUNTY, HUBEI PROVINCE TO: SHAPING TOWN, CHONGQING, SICHUAN PROVINCE, CHONGQING WATER PUMP PLANT INSTITUTE |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |