CN201381548Y - Oval tube - Google Patents
Oval tube Download PDFInfo
- Publication number
- CN201381548Y CN201381548Y CN200920137155U CN200920137155U CN201381548Y CN 201381548 Y CN201381548 Y CN 201381548Y CN 200920137155 U CN200920137155 U CN 200920137155U CN 200920137155 U CN200920137155 U CN 200920137155U CN 201381548 Y CN201381548 Y CN 201381548Y
- Authority
- CN
- China
- Prior art keywords
- tube
- section
- oval
- head section
- water
- 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
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920137155U CN201381548Y (en) | 2009-03-19 | 2009-03-19 | Oval tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920137155U CN201381548Y (en) | 2009-03-19 | 2009-03-19 | Oval tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201381548Y true CN201381548Y (en) | 2010-01-13 |
Family
ID=41525023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200920137155U Expired - Fee Related CN201381548Y (en) | 2009-03-19 | 2009-03-19 | Oval tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201381548Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207228A (en) * | 2011-05-21 | 2011-10-05 | 张允铭 | Elliptical polyvinyl chloride assembly tube |
CN102865694A (en) * | 2012-08-31 | 2013-01-09 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage water source heat pump |
CN102865757A (en) * | 2012-08-31 | 2013-01-09 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage source heat pump |
EP2778304A1 (en) * | 2013-03-11 | 2014-09-17 | Blücher Metal A/S | Drainage channel with bottom ditch |
CN110159840A (en) * | 2019-06-28 | 2019-08-23 | 康命源(安徽)塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity double-layer structure wall pipe and its installation method |
CN110185849A (en) * | 2019-06-28 | 2019-08-30 | 康命源(安徽)塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity solid wall pipe and its installation method |
WO2020259468A1 (en) * | 2019-06-28 | 2020-12-30 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid-wall pipe and installation method therefor |
-
2009
- 2009-03-19 CN CN200920137155U patent/CN201381548Y/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207228A (en) * | 2011-05-21 | 2011-10-05 | 张允铭 | Elliptical polyvinyl chloride assembly tube |
CN102865694A (en) * | 2012-08-31 | 2013-01-09 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage water source heat pump |
CN102865757A (en) * | 2012-08-31 | 2013-01-09 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage source heat pump |
CN102865694B (en) * | 2012-08-31 | 2015-03-11 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage water source heat pump |
CN102865757B (en) * | 2012-08-31 | 2015-03-11 | 大连葆光节能空调设备厂 | Heat exchanger special for sewage source heat pump |
EP2778304A1 (en) * | 2013-03-11 | 2014-09-17 | Blücher Metal A/S | Drainage channel with bottom ditch |
DE202014011314U1 (en) | 2013-03-11 | 2019-04-02 | Blücher Metal A/S | Drainage channel with floor duct |
CN110159840A (en) * | 2019-06-28 | 2019-08-23 | 康命源(安徽)塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity double-layer structure wall pipe and its installation method |
CN110185849A (en) * | 2019-06-28 | 2019-08-30 | 康命源(安徽)塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity solid wall pipe and its installation method |
WO2020259468A1 (en) * | 2019-06-28 | 2020-12-30 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid-wall pipe and installation method therefor |
CN110159840B (en) * | 2019-06-28 | 2024-06-07 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped double-layer structure wall pipe and installation method thereof |
CN110185849B (en) * | 2019-06-28 | 2024-06-07 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid wall pipe and installation method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yunnan Yatong Polymer Material Science & Technology Co., Ltd. Assignor: Yatong New Material Science and Technology Co., Ltd., Fujian Prov. Contract record no.: 2012530000052 Denomination of utility model: Ovate tubular filter cartridges and filter systems using the same Granted publication date: 20100113 License type: Exclusive License Record date: 20120827 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20150319 |
|
EXPY | Termination of patent right or utility model |