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FR2657945B3 - Tuyau a plusieurs couches comportant des protuberances helicouidales de guidage de fluide sur sa surface interieure. - Google Patents

Tuyau a plusieurs couches comportant des protuberances helicouidales de guidage de fluide sur sa surface interieure.

Info

Publication number
FR2657945B3
FR2657945B3 FR919101084A FR9101084A FR2657945B3 FR 2657945 B3 FR2657945 B3 FR 2657945B3 FR 919101084 A FR919101084 A FR 919101084A FR 9101084 A FR9101084 A FR 9101084A FR 2657945 B3 FR2657945 B3 FR 2657945B3
Authority
FR
France
Prior art keywords
helicoudal
protuberances
fluid guidance
layered pipe
layered
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 - Lifetime
Application number
FR919101084A
Other languages
English (en)
Other versions
FR2657945A3 (fr
Inventor
Lee Jong Ho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2657945A3 publication Critical patent/FR2657945A3/fr
Application granted granted Critical
Publication of FR2657945B3 publication Critical patent/FR2657945B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
FR919101084A 1990-02-07 1991-01-31 Tuyau a plusieurs couches comportant des protuberances helicouidales de guidage de fluide sur sa surface interieure. Expired - Lifetime FR2657945B3 (fr)

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
FR2657945A3 FR2657945A3 (fr) 1991-08-09
FR2657945B3 true FR2657945B3 (fr) 1992-01-17

Family

ID=19295787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR919101084A Expired - Lifetime FR2657945B3 (fr) 1990-02-07 1991-01-31 Tuyau a plusieurs couches comportant des protuberances helicouidales de guidage de fluide sur sa surface interieure.

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10188532B2 (en) 1998-12-29 2019-01-29 Vascular Flow Technologies Limited Blood-flow tubing

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
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
ATE446065T1 (de) 2003-03-18 2009-11-15 Veryan Medical Ltd Spiralförmiger stent
GB0306176D0 (en) 2003-03-18 2003-04-23 Imp College Innovations Ltd Tubing
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
EP2216579B1 (fr) * 2009-02-04 2012-04-18 FESTO AG & Co. KG Système d'amortissement d'oscillations à air comprimé
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
CN114151624B (zh) * 2021-11-09 2024-08-27 东台市竹林高科技材料有限公司 一种高强度抗压埋地式pvc改性三层结构实壁排水管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10188532B2 (en) 1998-12-29 2019-01-29 Vascular Flow Technologies Limited Blood-flow tubing

Also Published As

Publication number Publication date
KR910015666U (ko) 1991-09-25
DE9101324U1 (de) 1991-04-25
KR920006734Y1 (ko) 1992-09-26
FR2657945A3 (fr) 1991-08-09

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