KR870015079U - 유속증대용 방음파이프 - Google Patents
유속증대용 방음파이프Info
- Publication number
- KR870015079U KR870015079U KR2019860003752U KR860003752U KR870015079U KR 870015079 U KR870015079 U KR 870015079U KR 2019860003752 U KR2019860003752 U KR 2019860003752U KR 860003752 U KR860003752 U KR 860003752U KR 870015079 U KR870015079 U KR 870015079U
- Authority
- KR
- South Korea
- Prior art keywords
- flow velocity
- increasing flow
- soundproof pipe
- soundproof
- pipe
- Prior art date
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
- F16L11/26—Hoses, i.e. flexible pipes made of sound-absorbing materials or with sound-absorbing structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sink And Installation For Waste Water (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860003752U KR890001690Y1 (ko) | 1986-03-27 | 1986-03-27 | 유속증대용 방음파이프 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860003752U KR890001690Y1 (ko) | 1986-03-27 | 1986-03-27 | 유속증대용 방음파이프 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870015079U true KR870015079U (ko) | 1987-10-24 |
| KR890001690Y1 KR890001690Y1 (ko) | 1989-04-07 |
Family
ID=19249945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019860003752U KR890001690Y1 (ko) | 1986-03-27 | 1986-03-27 | 유속증대용 방음파이프 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR890001690Y1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101233849B1 (ko) * | 2012-11-12 | 2013-02-15 | 김준규 | 파이프 내부에 삽입되는 유체 회전 장치의 제조방법 및 설치방법 |
| KR102121838B1 (ko) * | 2017-11-27 | 2020-06-11 | 보성포리테크 주식회사 | 내마모성이 향상된 석탄회 이송파이프 |
| KR102120998B1 (ko) * | 2017-11-27 | 2020-06-09 | 보성포리테크 주식회사 | 내마모성이 향상된 석탄회 이송배관 및 이의 제조장치 |
-
1986
- 1986-03-27 KR KR2019860003752U patent/KR890001690Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR890001690Y1 (ko) | 1989-04-07 |
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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: 19860327 |
|
| UA0201 | Request for examination |
Patent event date: 19860327 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: 19881116 |
|
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19890224 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19890622 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19890826 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19890826 |
|
| J204 | Request for invalidation trial [patent] | ||
| UJ0204 | Invalidation trial for utility model registration |
Comment text: Request for Trial Patent event code: UJ02042R01D Patent event date: 19901214 Comment text: Registration of Establishment Patent event code: UJ02041E01I Patent event date: 19890826 Request date: 19901214 Appeal kind category: Invalidation in entirety Decision date: 19910422 Appeal identifier: 1990100001093 |
|
| J2X1 | Appeal (before the patent court) |
Free format text: INVALIDATION IN ENTIRETY |
|
| UJ2001 | Appeal |
Decision date: 19930325 Appeal identifier: 1991200000171 Request date: 19910517 Appeal kind category: Invalidation in entirety |
|
| UR1001 | Payment of annual fee |
Payment date: 19920117 Start annual number: 4 End annual number: 4 |
|
| UR1001 | Payment of annual fee |
Payment date: 19930406 Start annual number: 5 End annual number: 5 |
|
| J2X2 | Appeal (before the supreme court) |
Free format text: APPEAL BEFORE THE SUPREME COURT FOR INVALIDATION IN ENTIRETY REQUESTED 19930423 Effective date: 19940513 |
|
| UJ2002 | Appeal before the supreme court |
Decision date: 19940513 Request date: 19930423 Appeal kind category: Invalidation in entirety Appeal identifier: 1993300000657 |
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| FPAY | Annual fee payment |
Payment date: 19940326 Year of fee payment: 6 |
|
| UR1001 | Payment of annual fee |
Payment date: 19940326 Start annual number: 6 End annual number: 6 |
|
| EXTG | Ip right invalidated | ||
| UC2102 | Extinguishment |