FR2657945A3 - Multi-layer hose including fluid-guiding helical projections on its internal surface - Google Patents

Multi-layer hose including fluid-guiding helical projections on its internal surface Download PDF

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Publication number
FR2657945A3
FR2657945A3 FR9101084A FR9101084A FR2657945A3 FR 2657945 A3 FR2657945 A3 FR 2657945A3 FR 9101084 A FR9101084 A FR 9101084A FR 9101084 A FR9101084 A FR 9101084A FR 2657945 A3 FR2657945 A3 FR 2657945A3
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FR
France
Prior art keywords
fluid
layer
synthetic resin
formed
multi
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.)
Granted
Application number
FR9101084A
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French (fr)
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FR2657945B3 (en
Inventor
Lee Jong Ho
Original Assignee
Lee Jong Ho
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Filing date
Publication date
Priority to KR1019900001329A priority Critical patent/KR900012581A/en
Application filed by Lee Jong Ho filed Critical Lee Jong Ho
Publication of FR2657945A3 publication Critical patent/FR2657945A3/en
Application granted granted Critical
Publication of FR2657945B3 publication Critical patent/FR2657945B3/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/21Rigid pipes made of sound-absorbing materials or with sound-absorbing structure

Abstract

The invention relates to a multiple-layer hose (10) for transporting a fluid. The problem to be solved consists especially in avoiding the transmission of flow noises. The hose is characterised in that a layer of foamy material (2), intended to dissipate the noise, is formed between an internal layer made of synthetic resin (3) exhibiting several helical projections (4) for guiding fluid, and an external covering layer made from a synthetic resin (1), a passage (5) being formed between the projections. The invention is applicable to the transport of fluids. <IMAGE>

Description

Tuyau à plusieurs couches comportant des protubérances hélicoïdales de guidage de fluide sur sa surface intérieure. Multilayer pipe having helical protrusions fluid guide on its inner surface.

La présente invention a pour objet un tuyau à plusieurs couches pour transporter un fluide. The present invention relates to a multilayer hose for transporting a fluid.

La plupart des tuyaux classiques utilisés jusqu'à maintenant présentent une surface intérieure simple, rectiligne et lisse, ce qui pose quelques problèmes Most conventional pipes used until now have a simple interior surface, straight and smooth, which poses some problems
Quand le fluide tombe verticalement ou s'écoule dans le tuyau, le bruit engendré par l'écoulement lent, les chocs dans le fluide lui-même et les chocs de frottement irréguliers du fluide contre la surface intérieure du tuyau se propagent vers l'extérieur. When the fluid falls or flows vertically in the pipe, the noise generated by the slow flow, shocks in the fluid itself and irregular friction shock of the fluid against the inner surface of the pipe propagate outwardly . Le fluide qui tombe engorge le volume intérieur du tuyau et élève la pression régnant à l'intérieur du tuyau, ce qui nécessite l'adjonction de tuyaux supplémentaires dans la partie inférieure de la canalisation pour tenir compte de cette pression. The fluid that falls clog the interior of the pipe and increases the pressure inside the pipe, which requires adding additional pipes at the bottom of the pipe to accommodate this pressure.

En conséquence la présente invention a pour but de créer un tuyau à plusieurs couches évitant les inconvénients ci-dessus. Accordingly the present invention aims to create a multilayer pipe avoiding the above drawbacks. L'invention concerne à cet effet un tuyau à plusieurs couches pour transporter un fluide, caractérisé en ce qu'une couche de matière mousse destinée à dissiper le bruit est formée entre une couche intérieure présentant plusieurs protubérances hélicoïdales de guidage de fluide en résine synthétique et une couche de recouvrement extérieure en résine synthétique, un passage étant formé entre les protubérances hélicoïdales de guidage de fluide disposées à intervalles sur la surface intérieure de la couche intérieure à protubérances hélicoïdales en résine synthétique. Provided for this purpose a multilayered hose for transporting a fluid, characterized in that for dissipating the noise foam material layer is formed between an inner layer having a plurality of helical protrusions medium guiding synthetic resin and an outer covering layer of synthetic resin, a passage being formed between the helical projections of fluid guide arranged at intervals on the inner surface of the inner layer with helical protrusions synthetic resin.

L'invention est décrite plus en détail ciaprès en se référant aux dessins annexés, dans lesquels The invention is described in more detail below with reference to the accompanying drawings, wherein
- la figure 1 est une vue en perspective de la présente invention avec une partie découpée - Figure 1 is a perspective view of the present invention with a cutout portion
- la figure 2 est une vue en coupe transversale suivant la ligne AA de la figure 1 - Figure 2 is a cross-sectional view along line AA of Figure 1
- la figure 3 est une vue en coupe longitudinale suivant la ligne BB de la figure 2. - Figure 3 is a longitudinal sectional view along the line BB of Figure 2.

On va maintenant se référer en détail aux dessins qui représentent un exemple de réalisation préférentiel de la présente invention. We will now refer in detail to the drawings which represent a preferred embodiment of the present invention. Le tuyau à plusieurs couches 10 représenté sur les figures 1 à 3 comporte une couche de matière mousse 2 destinée à dissiper les bruits, cette couche étant formée entre une couche intérieure hélicoïdale en résine synthétique 3 et une couche de recouvrement extérieure en résine synthétique 1. Un passage 5 est formé par un certain nombre de protubérances de guidage de fluide 4 légèrement incurvées et qui se répètent à intervalles sur la surface intérieure de la couche intérieure hélicoïdale en résine synthétique 3. The multilayer pipe 10 shown in Figures 1 to 3 comprises a layer of foam material 2 for dissipating sounds, this layer being formed between a helical inner synthetic resin layer 3 and an outer covering layer of synthetic resin 1. a passage 5 is formed by a number of fluid guide protrusions 4 slightly curved and which are repeated at intervals along the inner surface of the helical inner synthetic resin layer 3.

Par conséquent, dans le cas de la présente invention, le fluide se déplace dans le passage 5, de type hélicoïdal, formé dans le tuyau 10. Il en est ainsi parce qu'un certain nombre de protubérances de guidage de fluide 4, répétées à intervalles, légèrement incurvées avec une forme hélicoïdale, sont formées dans la couche hélicoïdale en résine synthétique 3 et guident le fluide. Therefore, in the case of the present invention, the fluid moves through the passage 5, of the helical type, formed in the pipe 10. This is so because a number of fluid guide protrusions 4, repeated at intervals, slightly curved with a helical shape, are formed in the helical synthetic resin layer 3 and guide the fluid.

En outre, quand le fluide se déplace, c'està-dire quand il tombe ou s'écoule en étant guidé dans le passage 5, les chocs sont évités dans le fluide luimême. Further, when the fluid moves, that is to say when it falls or flows being guided in the passage 5, the shocks are avoided in the fluid itself. La vitesse de l'écoulement est aussi accélérée. The velocity of the flow is also accelerated.

Pour supprimer le bruit engendré en proportion de la vitesse d'écoulement ainsi que les vibrations engendrées par le mouvement du fluide le long de la couche hélicoïdale en résine synthétique 3, on dispose la couche de matière mousse 2 de dissipation du bruit. To remove the noise generated in proportion to the flow velocity and vibrations caused by the movement of the fluid along the helical synthetic resin layer 3, there is the foam material layer 2 dissipation noise.

La couche de matière mousse 2 destinée à dissiper le bruit supprime effectivement les vibrations de la couche hélicoïdale en résine synthétique 3 dues aux chocs provenant du fluide en mouvement. The layer of foam material 2 for dissipating noise effectively suppresses vibration of the spiral synthetic resin layer 3 due to shocks from the moving fluid. Cela évite la propagation à la couche de recouvrement extérieure en résine synthétique 1. On dissipe aussi le bruit engendré par le mouvement du fluide. This prevents the propagation to the outer covering layer of synthetic resin 1. It also dissipates the noise generated by the movement of fluid.

De plus, dans le cas du tuyau 10 suivant la présente invention, quand le fluide se déplace, notamment quand il tombe, il descend le long du passage 5 et ce fluide descendant conserve une descente en rotation ou un léger vortex dus à son contact étroit avec le passage 5, ce qui crée un espace vide ou une couche d'air au centre. In addition, in the case of tube 10 according to the present invention, when the fluid moves, in particular when it falls, it descends along the passageway 5 and the descending fluid retains a rotational descent or a slight vortex due to its close contact with the passage 5, which creates an empty space or an air layer in the center. Il n'est donc pas nécessaire d'adjoindre un tuyau additionnel pour évacuer la pression de l'air, comme c'est le cas dans les tuyaux classiques. It is thus not necessary to add an additional pipe for discharging air pressure, as is the case in conventional pipes. On obtient ainsi un meilleur aspect. This gives a better appearance.

En conclusion, la présente invention est très utile. In conclusion, the present invention is very useful. On obtient de nombreux effets tels que l'accroissement de la quantité de mouvement du fluide par unité de temps, la suppression du bruit et des vibrations, ce qui augmente notamment la résistance à la pression et la durabilité du tuyau. This gives many effects such as increasing the amount of movement of the fluid per unit time, the elimination of noise and vibration, increasing notably the pressure resistance and durability of the pipe.

Claims (1)

  1. REVENDICATION CLAIM
    Tuyau (10) à plusieurs couches pour transporter un fluide, caractérisé en ce qu'une couche de matière mousse (2) destinée à dissiper le bruit est formée entre une couche intérieure présentant plusieurs protubérances hélicoïdales (4) de guidage de fluide en résine synthétique (3) et une couche de recouvrement extérieure en résine synthétique (1), un passage (5) étant formé entre les protubérances hélicoïdales (4) de guidage de fluide disposées à intervalles sur la surface intérieure de la couche intérieure à protubérances hélicoïdales en résine synthétique. Pipe (10) several layers for transporting a fluid, characterized in that a layer of foam material (2) for dissipating the noise is formed between an inner layer having a plurality of helical projections (4) medium guiding synthetic resin (3) and an outer covering layer of synthetic resin (1), a passage (5) being formed between the helical protrusions (4) of fluid arranged at intervals guide on the inner surface of the inner layer with helical protrusions resin synthetic.
FR9101084A 1989-02-05 1991-01-31 Multilayer pipe comprising helicouidales protuberances fluid guide on its inner surface. Expired - Lifetime FR2657945B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900001329A KR900012581A (en) 1989-02-05 1990-02-05 A method for correcting the defective portion coupled to the human jaw and calibration plate for him

Publications (2)

Publication Number Publication Date
FR2657945A3 true FR2657945A3 (en) 1991-08-09
FR2657945B3 FR2657945B3 (en) 1992-01-17

Family

ID=19295786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9101084A Expired - Lifetime FR2657945B3 (en) 1989-02-05 1991-01-31 Multilayer pipe comprising helicouidales protuberances fluid guide on its inner surface.

Country Status (2)

Country Link
DE (1) DE9101324U1 (en)
FR (1) FR2657945B3 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718475A1 (en) * 1994-04-07 1995-10-13 Nicoll Raccords Plastiques Sound damping tube for sanitation downpipe
WO1997011304A1 (en) * 1995-09-20 1997-03-27 Etex S.A. Tubular member for unitary acoustic sanitary ducts in a building
FR2767902A1 (en) 1997-09-03 1999-03-05 Nicoll Raccords Plastiques Branching device for acoustic bathroom fall pipe
WO2000038591A3 (en) * 1998-12-29 2000-10-26 Tayside University Hospitals N Blood-flow tubing
EP1031782A3 (en) * 1999-02-26 2003-04-09 Deutsche Rockwool Mineralwoll GmbH &amp; Co. OHG Half-section pipe
WO2006045555A1 (en) 2004-10-21 2006-05-04 C.R. Bard, Inc. Medical device for fluid flow, and method of forming such device
EP2216579A1 (en) * 2009-02-04 2010-08-11 FESTO AG & Co. KG Compressed air acoustic dampening system
US7968036B2 (en) 2001-11-20 2011-06-28 Tayside Flow Technologies Limited Method for introducing an internal helical formation into a flexible tubular material
CN102116395A (en) * 2011-02-23 2011-07-06 李玉珊 Wedge type spiral sound reducing pipe
US8226704B2 (en) 2003-03-18 2012-07-24 Veryan Medical Limited Helical stent
US8454675B2 (en) 2003-07-04 2013-06-04 Tayside Flow Technologies Ltd. Internal formation for a conduit
WO2014059922A1 (en) * 2012-10-16 2014-04-24 上海微创医疗器械(集团)有限公司 Catheter coupling with guide wire for intravascular delivery and manufacturing method thereof
CN104500869A (en) * 2014-11-25 2015-04-08 南通四通林业机械制造安装有限公司 Dryer air pipe with noise reduction function
US9272791B2 (en) 2010-07-29 2016-03-01 Airbus Operations Limited Aircraft refuel system piping
US9572694B2 (en) 2003-03-18 2017-02-21 Veryan Medical Limited Helical graft
US9597214B2 (en) 2008-10-10 2017-03-21 Kevin Heraty Medical device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429045B4 (en) * 1994-08-16 2005-11-24 E. Missel Gmbh insulation
US9151415B2 (en) 2012-07-17 2015-10-06 Chevron U.S.A. Inc. Method and apparatus for reducing fluid flow friction in a pipe
CN106090420A (en) * 2016-08-25 2016-11-09 吴忠仪表有限责任公司 Noise reduction assembly and pressure reducing valve comprising same

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718475A1 (en) * 1994-04-07 1995-10-13 Nicoll Raccords Plastiques Sound damping tube for sanitation downpipe
WO1997011304A1 (en) * 1995-09-20 1997-03-27 Etex S.A. Tubular member for unitary acoustic sanitary ducts in a building
FR2767902A1 (en) 1997-09-03 1999-03-05 Nicoll Raccords Plastiques Branching device for acoustic bathroom fall pipe
US7682673B2 (en) 1998-12-28 2010-03-23 Tayside Flow Technologies Limited Blood-flow tubing
US20120123520A1 (en) * 1998-12-28 2012-05-17 Tayside University Hospitals Nhs Trust Blood-flow tubing
US9737421B2 (en) * 1998-12-28 2017-08-22 Vascular Flow Technologies Limited Blood-flow tubing
US8110267B2 (en) 1998-12-29 2012-02-07 Tayside Flow Technologies Limited Blood-flow tubing
WO2000038591A3 (en) * 1998-12-29 2000-10-26 Tayside University Hospitals N Blood-flow tubing
EP1031782A3 (en) * 1999-02-26 2003-04-09 Deutsche Rockwool Mineralwoll GmbH &amp; Co. OHG Half-section pipe
US7968036B2 (en) 2001-11-20 2011-06-28 Tayside Flow Technologies Limited Method for introducing an internal helical formation into a flexible tubular material
US8784476B2 (en) 2003-03-18 2014-07-22 Veryan Medical Limited Helical stent
US9572694B2 (en) 2003-03-18 2017-02-21 Veryan Medical Limited Helical graft
US8226704B2 (en) 2003-03-18 2012-07-24 Veryan Medical Limited Helical stent
US8454675B2 (en) 2003-07-04 2013-06-04 Tayside Flow Technologies Ltd. Internal formation for a conduit
WO2006045555A1 (en) 2004-10-21 2006-05-04 C.R. Bard, Inc. Medical device for fluid flow, and method of forming such device
US8133277B2 (en) 2004-10-21 2012-03-13 Bard Peripheral Vascular, Inc. Medical device for fluid flow and method of forming such device
US9883961B2 (en) 2008-10-10 2018-02-06 Veryan Medical Limited Medical device
US9597214B2 (en) 2008-10-10 2017-03-21 Kevin Heraty Medical device
EP2216579A1 (en) * 2009-02-04 2010-08-11 FESTO AG & Co. KG Compressed air acoustic dampening system
US9272791B2 (en) 2010-07-29 2016-03-01 Airbus Operations Limited Aircraft refuel system piping
CN102116395A (en) * 2011-02-23 2011-07-06 李玉珊 Wedge type spiral sound reducing pipe
WO2014059922A1 (en) * 2012-10-16 2014-04-24 上海微创医疗器械(集团)有限公司 Catheter coupling with guide wire for intravascular delivery and manufacturing method thereof
CN104500869A (en) * 2014-11-25 2015-04-08 南通四通林业机械制造安装有限公司 Dryer air pipe with noise reduction function

Also Published As

Publication number Publication date
DE9101324U1 (en) 1991-04-25
FR2657945B3 (en) 1992-01-17

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