CN2116046U - 负压式砼溜管 - Google Patents
负压式砼溜管 Download PDFInfo
- Publication number
- CN2116046U CN2116046U CN 92202468 CN92202468U CN2116046U CN 2116046 U CN2116046 U CN 2116046U CN 92202468 CN92202468 CN 92202468 CN 92202468 U CN92202468 U CN 92202468U CN 2116046 U CN2116046 U CN 2116046U
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- Prior art keywords
- pipe
- concrete
- elephant trunk
- negative pressure
- millimeter
- 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.)
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Reciprocating Pumps (AREA)
Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92202468 CN2116046U (zh) | 1992-01-24 | 1992-01-24 | 负压式砼溜管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92202468 CN2116046U (zh) | 1992-01-24 | 1992-01-24 | 负压式砼溜管 |
Publications (1)
Publication Number | Publication Date |
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CN2116046U true CN2116046U (zh) | 1992-09-16 |
Family
ID=4949298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92202468 Granted CN2116046U (zh) | 1992-01-24 | 1992-01-24 | 负压式砼溜管 |
Country Status (1)
Country | Link |
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CN (1) | CN2116046U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101338562B (zh) * | 2008-08-07 | 2011-04-13 | 中国葛洲坝集团股份有限公司 | 一种高陡坡大落差地形的混凝土输送方法 |
CN102787601A (zh) * | 2012-03-28 | 2012-11-21 | 河海大学 | 抗冲击耐磨输送砼缓降器装置 |
-
1992
- 1992-01-24 CN CN 92202468 patent/CN2116046U/zh active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101338562B (zh) * | 2008-08-07 | 2011-04-13 | 中国葛洲坝集团股份有限公司 | 一种高陡坡大落差地形的混凝土输送方法 |
CN102787601A (zh) * | 2012-03-28 | 2012-11-21 | 河海大学 | 抗冲击耐磨输送砼缓降器装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: YANGTZE GEZHOUBA ENGINEERING BUREAU CONSTRUCTION INSTITUTE TO: CONSTRUCTION SCIENCE INSTITUTE, CHINA GEZHOUBA WATER POWER ENGINEERING GROUP CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Two road in Hubei city of Yichang province Qiao Lake No. 8 Patentee after: China Gezhouba Dam water conservancy and Hydropower Engineering Group Corporation Construction Science Research Institute Address before: Hubei province Yichang City Qing Road No. 18 Patentee before: Construction Research Institute of Gezhouba Dam Engineering Bureau of the Yangtze River |
|
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
RN01 | Renewal of patent term | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |