CN101922589B - Plastic underground reinforcement pipe - Google Patents
Plastic underground reinforcement pipe Download PDFInfo
- Publication number
- CN101922589B CN101922589B CN200910215470A CN200910215470A CN101922589B CN 101922589 B CN101922589 B CN 101922589B CN 200910215470 A CN200910215470 A CN 200910215470A CN 200910215470 A CN200910215470 A CN 200910215470A CN 101922589 B CN101922589 B CN 101922589B
- Authority
- CN
- China
- Prior art keywords
- pipe
- rib
- plastic underground
- plastic
- underground reinforcement
- 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 - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910215470A CN101922589B (en) | 2007-02-13 | 2007-02-13 | Plastic underground reinforcement pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910215470A CN101922589B (en) | 2007-02-13 | 2007-02-13 | Plastic underground reinforcement pipe |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100515402A Division CN101021290B (en) | 2007-02-13 | 2007-02-13 | Deformed ribbed plastic buried pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101922589A CN101922589A (en) | 2010-12-22 |
CN101922589B true CN101922589B (en) | 2012-08-29 |
Family
ID=43337692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910215470A Expired - Fee Related CN101922589B (en) | 2007-02-13 | 2007-02-13 | Plastic underground reinforcement pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101922589B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3457963A (en) * | 1964-07-20 | 1969-07-29 | Imp Metal Ind Kynoch Ltd | Article and method of bonding reinforced rings to tubular articles |
US3992503A (en) * | 1973-05-10 | 1976-11-16 | Duropenta Holdings (Proprietary) Limited | Method of injection molding pipe |
CN1075447A (en) * | 1993-01-01 | 1993-08-25 | 张国祥 | Ribbed pressure-resistant plastic tube |
CN2214578Y (en) * | 1994-11-03 | 1995-12-06 | 凌宏图 | Superthin reinforced pipe |
CN1294274A (en) * | 1999-11-01 | 2001-05-09 | 陈自立 | Great plastic water pipe |
-
2007
- 2007-02-13 CN CN200910215470A patent/CN101922589B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3457963A (en) * | 1964-07-20 | 1969-07-29 | Imp Metal Ind Kynoch Ltd | Article and method of bonding reinforced rings to tubular articles |
US3992503A (en) * | 1973-05-10 | 1976-11-16 | Duropenta Holdings (Proprietary) Limited | Method of injection molding pipe |
CN1075447A (en) * | 1993-01-01 | 1993-08-25 | 张国祥 | Ribbed pressure-resistant plastic tube |
CN2214578Y (en) * | 1994-11-03 | 1995-12-06 | 凌宏图 | Superthin reinforced pipe |
CN1294274A (en) * | 1999-11-01 | 2001-05-09 | 陈自立 | Great plastic water pipe |
Non-Patent Citations (2)
Title |
---|
JP特开2002-54767A 2002.02.20 |
JP特开平7-224974A 1995.08.22 |
Also Published As
Publication number | Publication date |
---|---|
CN101922589A (en) | 2010-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101222 Assignee: Wuhan fine flour industry Co. Ltd. Assignor: Chen Hongjian Contract record no.: 2015420000103 Denomination of invention: Plastic underground reinforcement pipe Granted publication date: 20120829 License type: Exclusive License Record date: 20150619 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Wuhan fine flour industry Co. Ltd. Assignor: Chen Hongjian Contract record no.: 2015420000103 Date of cancellation: 20170714 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20210213 |