KR910015666U - 내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프 - Google Patents

내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프

Info

Publication number
KR910015666U
KR910015666U KR2019900001329U KR900001329U KR910015666U KR 910015666 U KR910015666 U KR 910015666U KR 2019900001329 U KR2019900001329 U KR 2019900001329U KR 900001329 U KR900001329 U KR 900001329U KR 910015666 U KR910015666 U KR 910015666U
Authority
KR
South Korea
Prior art keywords
layer pipe
guide projections
triangular guide
spiral triangular
spiral
Prior art date
Application number
KR2019900001329U
Other languages
English (en)
Other versions
KR920006734Y1 (ko
Inventor
이종호
Original Assignee
이종호
이종모
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 이종호, 이종모 filed Critical 이종호
Priority to KR2019900001329U priority Critical patent/KR920006734Y1/ko
Priority to CN90203826U priority patent/CN2063597U/zh
Priority to FR919101084A priority patent/FR2657945B3/fr
Priority to DE9101324U priority patent/DE9101324U1/de
Publication of KR910015666U publication Critical patent/KR910015666U/ko
Application granted granted Critical
Publication of KR920006734Y1 publication Critical patent/KR920006734Y1/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
    • F16L11/04—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
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid 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)
  • Rigid Pipes And Flexible Pipes (AREA)
KR2019900001329U 1989-07-18 1990-02-07 내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프 KR920006734Y1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR2019900001329U KR920006734Y1 (ko) 1990-02-07 1990-02-07 내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프
CN90203826U CN2063597U (zh) 1989-07-18 1990-03-28 内表面上具有导流用螺旋形凸起的管子
FR919101084A FR2657945B3 (fr) 1990-02-07 1991-01-31 Tuyau a plusieurs couches comportant des protuberances helicouidales de guidage de fluide sur sa surface interieure.
DE9101324U DE9101324U1 (ko) 1990-02-07 1991-02-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900001329U KR920006734Y1 (ko) 1990-02-07 1990-02-07 내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프

Publications (2)

Publication Number Publication Date
KR910015666U true KR910015666U (ko) 1991-09-25
KR920006734Y1 KR920006734Y1 (ko) 1992-09-26

Family

ID=19295787

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900001329U KR920006734Y1 (ko) 1989-07-18 1990-02-07 내경면에 나선상의 유체 삼각 안내돌기를 갖는 다층 파이프

Country Status (3)

Country Link
KR (1) KR920006734Y1 (ko)
DE (1) DE9101324U1 (ko)
FR (1) FR2657945B3 (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718475B1 (fr) * 1994-04-07 1996-05-03 Nicoll Raccords Plastiques Elément tubulaire pour chutes sanitaires unitaires acoustiques dans le bâtiment.
DE4429045B4 (de) * 1994-08-16 2005-11-24 E. Missel Gmbh Dämmmaterial
WO1997011304A1 (fr) * 1995-09-20 1997-03-27 Etex S.A. Element tubulaire pour chutes sanitaires unitaires acoustiques dans le batiment
FR2767902B1 (fr) 1997-09-03 1999-10-15 Nicoll Raccords Plastiques Dispositif de branchement ameliore pour chute sanitaire acoustique
GB9828696D0 (en) * 1998-12-29 1999-02-17 Houston J G Blood-flow tubing
DE19908673A1 (de) * 1999-02-26 2000-09-07 Rockwool Mineralwolle Rohrschale
GB2369797B (en) 2001-11-20 2002-11-06 Tayside Flow Technologies Ltd Helical formations in tubes
GB0306176D0 (en) 2003-03-18 2003-04-23 Imp College Innovations Ltd Tubing
US8226704B2 (en) 2003-03-18 2012-07-24 Veryan Medical Limited Helical stent
GB0315714D0 (en) 2003-07-04 2003-08-13 Tayside Flow Technologies Ltd An internal formation for a conduit
GB0423422D0 (en) 2004-10-21 2004-11-24 Bard Inc C R Medical device for fluid flow, and method of forming such device
US20090095368A1 (en) * 2007-10-10 2009-04-16 Baker Hughes Incorporated High friction interface for improved flow and method
US9597214B2 (en) 2008-10-10 2017-03-21 Kevin Heraty Medical device
ATE554330T1 (de) * 2009-02-04 2012-05-15 Festo Ag & Co Kg Druckluft-schalldämpfersystem
GB201012737D0 (en) 2010-07-29 2010-09-15 Airbus Operations Ltd Improvements to aircraft refuel system piping
CN102116395A (zh) * 2011-02-23 2011-07-06 李玉珊 劈尖式螺旋降音管材
US9151415B2 (en) * 2012-07-17 2015-10-06 Chevron U.S.A. Inc. Method and apparatus for reducing fluid flow friction in a pipe
CN103721337B (zh) * 2012-10-16 2017-02-22 上海微创医疗器械（集团）有限公司 配合导丝进行血管内推送的导管及其制造方法
CN104500869A (zh) * 2014-11-25 2015-04-08 南通四通林业机械制造安装有限公司 一种有降噪功能的干燥器风管
CN106090420A (zh) * 2016-08-25 2016-11-09 吴忠仪表有限责任公司 降噪组件及其降压阀

Also Published As

Publication number Publication date
FR2657945A3 (fr) 1991-08-09
FR2657945B3 (fr) 1992-01-17
KR920006734Y1 (ko) 1992-09-26
DE9101324U1 (ko) 1991-04-25

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