CN200974998Y - Double-walled hollow spiral-flute silencing drainage pipe - Google Patents
Double-walled hollow spiral-flute silencing drainage pipe Download PDFInfo
- Publication number
- CN200974998Y CN200974998Y CN 200620159166 CN200620159166U CN200974998Y CN 200974998 Y CN200974998 Y CN 200974998Y CN 200620159166 CN200620159166 CN 200620159166 CN 200620159166 U CN200620159166 U CN 200620159166U CN 200974998 Y CN200974998 Y CN 200974998Y
- Authority
- CN
- China
- Prior art keywords
- double
- gutter
- wall
- helical form
- walled hollow
- 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
- 230000030279 gene silencing Effects 0.000 title 1
- 239000011229 interlayer Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000003475 lamination Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000001603 reducing effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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- Sink And Installation For Waste Water (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620159166 CN200974998Y (en) | 2006-11-22 | 2006-11-22 | Double-walled hollow spiral-flute silencing drainage pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620159166 CN200974998Y (en) | 2006-11-22 | 2006-11-22 | Double-walled hollow spiral-flute silencing drainage pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN200974998Y true CN200974998Y (en) | 2007-11-14 |
Family
ID=38901286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620159166 Expired - Fee Related CN200974998Y (en) | 2006-11-22 | 2006-11-22 | Double-walled hollow spiral-flute silencing drainage pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN200974998Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013185291A1 (en) * | 2012-06-12 | 2013-12-19 | Nie Pingsheng | Water supply and drainage pipe |
CN106015772A (en) * | 2016-07-29 | 2016-10-12 | 天佑电器(苏州)有限公司 | Flow rectification and noise reduction air outlet pipe |
CN106402566A (en) * | 2016-08-30 | 2017-02-15 | 安徽金洁塑业有限公司 | Mesopore spiral pipe |
CN113356311A (en) * | 2021-05-14 | 2021-09-07 | 长沙理工大学 | Anti-blocking drain pipe for high-rise building |
-
2006
- 2006-11-22 CN CN 200620159166 patent/CN200974998Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013185291A1 (en) * | 2012-06-12 | 2013-12-19 | Nie Pingsheng | Water supply and drainage pipe |
CN106015772A (en) * | 2016-07-29 | 2016-10-12 | 天佑电器(苏州)有限公司 | Flow rectification and noise reduction air outlet pipe |
CN106402566A (en) * | 2016-08-30 | 2017-02-15 | 安徽金洁塑业有限公司 | Mesopore spiral pipe |
CN106402566B (en) * | 2016-08-30 | 2019-10-11 | 湖州金洁实业有限公司 | Mesoporous helix tube |
CN113356311A (en) * | 2021-05-14 | 2021-09-07 | 长沙理工大学 | Anti-blocking drain pipe for high-rise building |
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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: YU ZHONGDI Free format text: FORMER OWNER: LIU TIANCHENG Effective date: 20100712 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 730000 ROOM 601, NO.170, HONGXING LANE, CHENGGUAN DISTRICT, LANZHOU CITY, GANSU PROVINCE TO: 641000 NO.49, GROUP 4, SHUANGLIE VILLAGE, GAOQIAO TOWN, DONGXING DISTRICT, NEIJIANG CITY, SICHUAN PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100712 Address after: 641000, No. 4, No. 49, Shuang Yan village, Gaoqiao Town, Dongxing District, Sichuan, Neijiang Patentee after: Yu Zhongdi Address before: 730000, room 170, No. 601, Hongxing lane, Chengguan District, Gansu, Lanzhou Patentee before: Liu Tiancheng |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20111122 |