KR920004642Y1 - 내측면에 다수의 삼각 유체 안내돌기에 소공이 통공된 파이프 - Google Patents
내측면에 다수의 삼각 유체 안내돌기에 소공이 통공된 파이프 Download PDFInfo
- Publication number
- KR920004642Y1 KR920004642Y1 KR2019900007422U KR900007422U KR920004642Y1 KR 920004642 Y1 KR920004642 Y1 KR 920004642Y1 KR 2019900007422 U KR2019900007422 U KR 2019900007422U KR 900007422 U KR900007422 U KR 900007422U KR 920004642 Y1 KR920004642 Y1 KR 920004642Y1
- Authority
- KR
- South Korea
- Prior art keywords
- pipe
- fluid
- fluid guide
- triangular
- present
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/112—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements embedded in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/26—Hoses, i.e. flexible pipes made of sound-absorbing materials or with sound-absorbing structure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims (1)
- 내면에 다수의 요철부가 회전하여서 된 파이프에 있어서, 파이프(1)의 내측면에 다수의 삼각 유체 안내돌기(2)를 나선형으로 완만하면서도 반복적으로 형성시켜 삼각 유체 안내돌기(2)의 사이에 유로(3)가 형성되도록 하고 유체 안내돌기(2)의 내면에 소공(2)이 통공되어서 된 파이프.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900007422U KR920004642Y1 (ko) | 1990-05-30 | 1990-05-30 | 내측면에 다수의 삼각 유체 안내돌기에 소공이 통공된 파이프 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900007422U KR920004642Y1 (ko) | 1990-05-30 | 1990-05-30 | 내측면에 다수의 삼각 유체 안내돌기에 소공이 통공된 파이프 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910020451U KR910020451U (ko) | 1991-12-20 |
KR920004642Y1 true KR920004642Y1 (ko) | 1992-07-10 |
Family
ID=19299327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900007422U Expired KR920004642Y1 (ko) | 1990-05-30 | 1990-05-30 | 내측면에 다수의 삼각 유체 안내돌기에 소공이 통공된 파이프 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920004642Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008035917A1 (en) * | 2006-09-21 | 2008-03-27 | Postech Academy-Industry Foundation | Method for fabricating solid body having superhydrophobic surface structure and superhydrophobic tube using the same method |
-
1990
- 1990-05-30 KR KR2019900007422U patent/KR920004642Y1/ko not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008035917A1 (en) * | 2006-09-21 | 2008-03-27 | Postech Academy-Industry Foundation | Method for fabricating solid body having superhydrophobic surface structure and superhydrophobic tube using the same method |
KR100824712B1 (ko) * | 2006-09-21 | 2008-04-24 | 포항공과대학교 산학협력단 | 극소수성 표면 구조물을 갖는 고체기재의 가공방법 및 이를이용한 극소수성 유체 이송관 |
US8707999B2 (en) | 2006-09-21 | 2014-04-29 | Postech Academy-Industry Foundation | Method for fabricating solid body having superhydrophobic surface structure and superhydrophobic tube using the same method |
Also Published As
Publication number | Publication date |
---|---|
KR910020451U (ko) | 1991-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19900530 |
|
UA0201 | Request for examination |
Patent event date: 19900530 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19920227 |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19920612 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19920921 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19920928 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19920928 |
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UR1001 | Payment of annual fee |
Payment date: 19950629 Start annual number: 4 End annual number: 4 |
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UR1001 | Payment of annual fee |
Payment date: 19960731 Start annual number: 5 End annual number: 5 |
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UR1001 | Payment of annual fee |
Payment date: 19970905 Start annual number: 6 End annual number: 6 |
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UR1001 | Payment of annual fee |
Payment date: 19981123 Start annual number: 7 End annual number: 7 |
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FPAY | Annual fee payment |
Payment date: 20000106 Year of fee payment: 8 |
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UR1001 | Payment of annual fee |
Payment date: 20000106 Start annual number: 8 End annual number: 8 |
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LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |