CN2447518Y - 封隔一次充填机构 - Google Patents
封隔一次充填机构 Download PDFInfo
- Publication number
- CN2447518Y CN2447518Y CN 00250926 CN00250926U CN2447518Y CN 2447518 Y CN2447518 Y CN 2447518Y CN 00250926 CN00250926 CN 00250926 CN 00250926 U CN00250926 U CN 00250926U CN 2447518 Y CN2447518 Y CN 2447518Y
- Authority
- CN
- China
- Prior art keywords
- backwash
- packing
- central tube
- filling
- sleeve pipe
- 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.)
- Expired - Lifetime
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00250926 CN2447518Y (zh) | 2000-08-25 | 2000-08-25 | 封隔一次充填机构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00250926 CN2447518Y (zh) | 2000-08-25 | 2000-08-25 | 封隔一次充填机构 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2447518Y true CN2447518Y (zh) | 2001-09-12 |
Family
ID=33608985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 00250926 Expired - Lifetime CN2447518Y (zh) | 2000-08-25 | 2000-08-25 | 封隔一次充填机构 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2447518Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101769141B (zh) * | 2009-01-01 | 2012-11-14 | 黄石市汉威石油电子机械设备有限责任公司 | 定位热洗装置 |
-
2000
- 2000-08-25 CN CN 00250926 patent/CN2447518Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101769141B (zh) * | 2009-01-01 | 2012-11-14 | 黄石市汉威石油电子机械设备有限责任公司 | 定位热洗装置 |
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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: SHANDONG NEW DATONG PETROLEUM ENVIRONMENTAL PROTE Free format text: FORMER OWNER: WANG SONG Effective date: 20031219 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20031219 Address after: No. 68, Central Road, Hekou District, Shandong, Dongying Patentee after: Shandong Xindatong Petroleum Environmental Protection Science and Technology Co. Address before: Operation section of Hekou Oil production plant, Hekou District, Dongying, Shandong Patentee before: Wang Song |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20100825 Granted publication date: 20010912 |