KR870015079U - 유속증대용 방음파이프 - Google Patents

유속증대용 방음파이프

Info

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
Application number
KR2019860003752U
Other languages
English (en)
Other versions
KR890001690Y1 (ko
Inventor
김길자
Original Assignee
김길자
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김길자 filed Critical 김길자
Priority to KR2019860003752U priority Critical patent/KR890001690Y1/ko
Publication of KR870015079U publication Critical patent/KR870015079U/ko
Application granted granted Critical
Publication of KR890001690Y1 publication Critical patent/KR890001690Y1/ko

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)
KR2019860003752U 1986-03-27 1986-03-27 유속증대용 방음파이프 KR890001690Y1 (ko)

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)

* Cited by examiner, † Cited by third party
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
KR102120998B1 (ko) * 2017-11-27 2020-06-09 보성포리테크 주식회사 내마모성이 향상된 석탄회 이송배관 및 이의 제조장치
KR102121838B1 (ko) * 2017-11-27 2020-06-11 보성포리테크 주식회사 내마모성이 향상된 석탄회 이송파이프

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
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
J204 Request for invalidation trial [patent]
J2X1 Appeal (before the patent court)

Free format text: INVALIDATION IN ENTIRETY

J2X2 Appeal (before the supreme court)

Free format text: APPEAL BEFORE THE SUPREME COURT FOR INVALIDATION IN ENTIRETY REQUESTED 19930423

Effective date: 19940513

FPAY Annual fee payment

Payment date: 19940326

Year of fee payment: 6

EXTG Extinguishment