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WO2000077440A1 - Partie de raccordement de tuyau - Google Patents

Partie de raccordement de tuyau Download PDF

Info

Publication number
WO2000077440A1
WO2000077440A1 PCT/TR1999/000028 TR9900028W WO0077440A1 WO 2000077440 A1 WO2000077440 A1 WO 2000077440A1 TR 9900028 W TR9900028 W TR 9900028W WO 0077440 A1 WO0077440 A1 WO 0077440A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection part
hose
ribs
order
avoid
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.)
Ceased
Application number
PCT/TR1999/000028
Other languages
English (en)
Inventor
Salih Bekir SÖNMEZ
Hakan UZLAŞIK
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.)
TEKLAS KAUCUK SANAYI VE TICARET AS
Original Assignee
TEKLAS KAUCUK SANAYI VE TICARET AS
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 TEKLAS KAUCUK SANAYI VE TICARET AS filed Critical TEKLAS KAUCUK SANAYI VE TICARET AS
Priority to TR2001/03682T priority Critical patent/TR200103682T2/xx
Priority to PCT/TR1999/000028 priority patent/WO2000077440A1/fr
Priority to EP99902032A priority patent/EP1203182A1/fr
Priority to AU21962/99A priority patent/AU2196299A/en
Publication of WO2000077440A1 publication Critical patent/WO2000077440A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • 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
    • F16L31/00—Arrangements for connecting hoses to one another or to flexible sleeves
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/34—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with bonding obtained by vulcanisation, gluing, melting, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles

Definitions

  • the present invention is related to providing a reliable and long term usage of the connection parts of the hoses for use in fluid circuits, being protected against external conditions.
  • Hoses of various diameters, lengths and forms are being used for providing the interconnection of such engine units as radiator, collector, radiator core, water pump, expansion tank at different positions and for converging the fluids.
  • the said linking of these hoses with each other is provided by different connection parts produced by using different technologies.
  • the hoses with several connections have a branched structure. In such hoses, the diameters of the secondary hoses may be equal or different as compared with the diameter of the main hosing.
  • the hoses and particularly the connection zones of the hoses have to be reliable.
  • the constituent materials include reinforcing elements such as textile knit and other elements made of metal or plastics, in order to enhance the durability and strength of the hose structure.
  • the weakest points in the hoses against external, environmental impacts are the connection zones.
  • connection parts developed in order to eliminate the above mentioned problems, is disclosed in the German Patent No. 03430053; according to which a rigid pipe, which is usually metallic, is inserted as the connecting part, inside the hose by enlarging the end section of the hose.
  • circumferential grooves with of rectangular section are formed at the ends of the flexible hoses before the plastic injection process, that is to say, during the vulcanisation of the hoses.
  • this formation of the grooves is very difficult.
  • a connecting part comprising ribs of the same height arranged successively with no space or plane area in between, is used.
  • the ribs formed on the connection part inserted inside the flexible hose prevent the retraction of the hose.
  • the flexible hose cannot be fixed secure enough to provide the sufficient retraction resistance.
  • the ribs designed as having sharp corners in this patent substantially increase the risk of damaging the inner tubes of flexible hose connected on the siphons of the connecting part and thus the risk of leakage.
  • connection part that is inserted inside the hose does not make an angle at its inlet clearance
  • the friction surface is increased and therefore the flow rate of the fluid passing through the hose is reduced; and additionally it enhances the risk of pressurized fluid penetration between the connection piece and the inner tube of the hose.
  • An adhesive is applied between the inner surface of the hose ends and the outer surface of the connection part siphon, in order to prevent the hose from being disconnected from the connection piece.
  • foreign substances and particles may be found in the cooling water circuit.
  • the pressure values used in general are between 80 and 85 bars whereas the permanent deformation values vary between 80 to 100% ; where the latter has been obtained during the test performed according to DIN 53516 norm.
  • the object of the present invention is to provide a reliable and long term usage of the hoses and hose connections providing the fluid circuit, against all kinds of inner and outer impacts.
  • Figure 1 is the general side view of the hose connection part, with the ends calibrated, flexible hose mounted and the outer overmoulding sleeve injected;
  • Figure 2- shows the cross section view of the hose connection part;
  • Figure 3- shows the cross-section side view of the hose connection part
  • Figure 4- shows cross section views of the hose connection part, with the ends calibrated, flexible hose mounted and the outer overmoulding sleeve injected.
  • connection part formed to connect two or more flexible hoses (5) is made of rigid plastics that may be reinforced with glass fibre.
  • the connection part is made in T or Y or X form.
  • Each siphon on the connection part has at least three ribs (1 and 2) with a circumferential structure so that they can encircle the siphons.
  • These ribs (1 and 2) have lateral surfaces that are slightly inclined outwards and a structure that cuts the connection part vertically. The said lateral surfaces of the ribs contact with the connection part by a slight inclination.
  • the heights of these ribs which are preferably three in number, are different with regard to each other. Furthermore, the distance between these ribs (1 and 2) are also different. In case there exist three ribs on the connection part, the first and the third ribs (1) are of the same height and the intermediary rib (2) is higher.
  • the second rib (2) is higher than the first one (1). More over the tips of the ribs are rounded in order to fillet their sharpness.
  • the ribs (1 and 2) formed at different heights and intervals prevent any damages such as tear-off and the like that may occur on the flexible hose (5) which is compressed between the overmoulding sleeve and the ribs (1 and 2) due to their rounded tips and they also provide a faster and more secure fixation of the hose to the connection part.
  • a surface that prevents the easy passage of the fluid passing through the hose (5), while entering the connection part due to the difference between the inner diameter of the hose (5) and that of the connection part is created and this surface may cause the penetration of the fluid into the area between the hose (5) and the connection part.
  • the inner part of the end of the connection part (6) is inclined upwards at an angle greater than 45°.
  • connection part On the intermediary section of the connection part, ribs (7) with circumferential structure that join to the neck portion (8) of the connection part in order to prevent any torsions or deviations that may occur at the connection part during plastic injection, wherein the sections connecting with the edges of the said neck portion (8) form a full hoop, are formed between them.
  • the ribs (7) at the edges are connected to the siphon with a certain radius in order to prevent their breaking.
  • a blended transition is formed at the location where the neck portion (8) and the above mentioned ribs (7) are joined in order to reinforce the endurance of the connection part.
  • an abutting surface (3) has been formed, projecting outward from the surface.
  • the hose (5) rests upon the abutting surface (3) and on the other abutting surface (9) formed on the outer surface of the pipe ribs (7), between the abutting surface (3) and the neck portion (8), the other hose (5) is placed.
  • the ends of these hoses are calibrated by applying pressure using the end-moulding method.
  • the diameter and wall thickness at the hose (5) ends is made homogeneous, and thus the inner diameter and wall thickness of the hose (5) is held at narrow tolerance limits, the overmoulding sleeve gram-weight during injection process is formed with the desired precision, the overmoulding sleeve applies a compression with a permanently homogeneous force on the flexible hoses (5) and the spilling of the injection material out of the mould is prevented.
  • the flexible hoses (5) are prepared in advance using a two stage, peroxide cure mixture in order to avoid any plastic deformation and to maintain the elastic properties such as sealing and damping against the high injection pressure generated during the formation of the overmoulding sleeve.
  • a secure fixation of the flexible hose (5) ends on the connection part is obtained.
  • a ribbed surface with a varying amplitude is formed between the outer surface of the flexible hose ends (5) and the inner surface of the overmoulding sleeve adjacent to this surface which cooperates with the ribs (1 and 2) to compress the flexible hose (5) ends between the overmoulding sleeve and connection part, in order to avoid the loosening or slipping of the connection part on which the flexible hose (5) ends are connected, due do harsh operating conditions of the motor cabin.
  • connection parts are prepared as primary siphons with a nominal outer diameter of ⁇ 32 mm and secondary siphons with a nominal outer diameter of ⁇ l 8 mm.
  • the inner diameters of the connected flexible hoses (5) at their end-moulding zones, are 1 mm smaller than those of the opposite parts (siphons).
  • the pull off force required to retract the ends of the flexible hoses (5) from the location between the connection part and the outer overmoulding sleeve where they are connected, is measured by using a tensometer.
  • the values thus obtained are in the range of 1,310 N and 1,450 N i.e. an average value of 1,395N for the primary hoses, and in the range of 1,030N and 1,120 N, i.e. an average value of 1 ,0.68 N for the secondary hoses.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

La partie de raccordement formée pour raccorder au moins deux tuyaux flexibles (5) est fabriquée dans une matière plastique rigide contenant des fibres de verre de renforcement. Au moins trois rebords (1 et 2) pourvus d'extrémités arrondies et ayant une structure circulaire pour encercler les siphons sont ménagés sur chaque siphon. Pour éviter une turbulence ou une réduction du débit du fluide que pourrait provoquer la friction entre le fluide et la partie de raccordement, et également pour éviter la pénétration du fluide dans une zone entre la partie de raccordement et les extrémités du tuyau, la section interne de l'extrémité (6) de la partie de raccordement est inclinée vers le haut, formant un angle supérieur à 45°. Ni intervalles ni barrières pouvant gêner le passage du fluide ne sont laissés entre la partie de raccordement et le tuyau (5) du fait de la structure inclinée. En appliquant une pression d'injection supérieure à 130 bars, on fixe solidement les extrémités du tuyau flexible (5) à la partie de raccordement.
PCT/TR1999/000028 1999-06-15 1999-06-15 Partie de raccordement de tuyau Ceased WO2000077440A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TR2001/03682T TR200103682T2 (tr) 1999-06-15 1999-06-15 Hortum bağlantı parçası
PCT/TR1999/000028 WO2000077440A1 (fr) 1999-06-15 1999-06-15 Partie de raccordement de tuyau
EP99902032A EP1203182A1 (fr) 1999-06-15 1999-06-15 Partie de raccordement de tuyau
AU21962/99A AU2196299A (en) 1999-06-15 1999-06-15 Hose connection part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR1999/000028 WO2000077440A1 (fr) 1999-06-15 1999-06-15 Partie de raccordement de tuyau

Publications (1)

Publication Number Publication Date
WO2000077440A1 true WO2000077440A1 (fr) 2000-12-21

Family

ID=21621795

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR1999/000028 Ceased WO2000077440A1 (fr) 1999-06-15 1999-06-15 Partie de raccordement de tuyau

Country Status (4)

Country Link
EP (1) EP1203182A1 (fr)
AU (1) AU2196299A (fr)
TR (1) TR200103682T2 (fr)
WO (1) WO2000077440A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1398557A1 (fr) 2002-09-12 2004-03-17 Trelleborg Fluid Systems Geie Procédé de fabrication d'un dispositif de raccordement de tubes ou tuyaux sur un embout et dipositif de raccordement obtenu
WO2005001325A1 (fr) * 2003-06-13 2005-01-06 Cooper Technology Services, Llc. Systeme de serrage d'un tuyau fixe a un support
WO2005022022A1 (fr) * 2003-08-21 2005-03-10 Cooper Technology Services, Llc Connexion fluidique metal sur plastique munie d'un dispositif antirotation surmoule
EP2527704A1 (fr) * 2011-05-20 2012-11-28 NORMA Germany GmbH Connecteur pour une conduite de fluide et conduite de fluide
CN103743080A (zh) * 2013-12-28 2014-04-23 柳州力通车用空调有限公司 一种汽车空调排水管
CN104455871A (zh) * 2014-11-30 2015-03-25 嘉兴迈思特管件制造有限公司 一种三通连接管件
CN110121403A (zh) * 2016-12-28 2019-08-13 东洋纺株式会社 树脂成形物及树脂成形物的制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564990A1 (fr) * 1992-04-07 1993-10-13 SAIAG INDUSTRIA S.p.A. Raccord et/ou raccord en T pour tuyaux souples
US5411300A (en) * 1993-03-16 1995-05-02 Toyoda Gosei Co., Ltd. Hose connecting assembly
US5447341A (en) * 1988-06-13 1995-09-05 Metzeler Automotive Profiles Gmbh Molder rubber hose branch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447341A (en) * 1988-06-13 1995-09-05 Metzeler Automotive Profiles Gmbh Molder rubber hose branch
EP0564990A1 (fr) * 1992-04-07 1993-10-13 SAIAG INDUSTRIA S.p.A. Raccord et/ou raccord en T pour tuyaux souples
US5411300A (en) * 1993-03-16 1995-05-02 Toyoda Gosei Co., Ltd. Hose connecting assembly

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1398557A1 (fr) 2002-09-12 2004-03-17 Trelleborg Fluid Systems Geie Procédé de fabrication d'un dispositif de raccordement de tubes ou tuyaux sur un embout et dipositif de raccordement obtenu
FR2844575A1 (fr) 2002-09-12 2004-03-19 Trelleborg Fluid Systems Geie Dispositif de raccordement de tubes ou tuyaux sur un embout
WO2005001325A1 (fr) * 2003-06-13 2005-01-06 Cooper Technology Services, Llc. Systeme de serrage d'un tuyau fixe a un support
WO2005022022A1 (fr) * 2003-08-21 2005-03-10 Cooper Technology Services, Llc Connexion fluidique metal sur plastique munie d'un dispositif antirotation surmoule
US7758086B2 (en) 2003-08-21 2010-07-20 Cooper-Standard Automotive Inc. Metal to plastic fluid connection with overmolded anti-rotation retainer
EP2527704A1 (fr) * 2011-05-20 2012-11-28 NORMA Germany GmbH Connecteur pour une conduite de fluide et conduite de fluide
CN103743080A (zh) * 2013-12-28 2014-04-23 柳州力通车用空调有限公司 一种汽车空调排水管
CN103743080B (zh) * 2013-12-28 2017-06-23 柳州力通车用空调有限公司 一种汽车空调排水管
CN104455871A (zh) * 2014-11-30 2015-03-25 嘉兴迈思特管件制造有限公司 一种三通连接管件
CN110121403A (zh) * 2016-12-28 2019-08-13 东洋纺株式会社 树脂成形物及树脂成形物的制造方法
CN110121403B (zh) * 2016-12-28 2021-09-17 东洋纺株式会社 树脂成形物及树脂成形物的制造方法

Also Published As

Publication number Publication date
TR200103682T2 (tr) 2002-07-22
EP1203182A1 (fr) 2002-05-08
AU2196299A (en) 2001-01-02

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