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WO2001042055A1 - Procede d'injection de passe-cables et element de centrage/separation utilise dans ce procede - Google Patents

Procede d'injection de passe-cables et element de centrage/separation utilise dans ce procede Download PDF

Info

Publication number
WO2001042055A1
WO2001042055A1 PCT/ES2000/000439 ES0000439W WO0142055A1 WO 2001042055 A1 WO2001042055 A1 WO 2001042055A1 ES 0000439 W ES0000439 W ES 0000439W WO 0142055 A1 WO0142055 A1 WO 0142055A1
Authority
WO
WIPO (PCT)
Prior art keywords
centering
procedure
separating element
injection
cable
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/ES2000/000439
Other languages
English (en)
Spanish (es)
Inventor
Eduard Torrents Gavalda
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.)
Lear Automotive EEDS Spain SL
Original Assignee
Lear Automotive EEDS Spain SL
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 Lear Automotive EEDS Spain SL filed Critical Lear Automotive EEDS Spain SL
Publication of WO2001042055A1 publication Critical patent/WO2001042055A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C45/14385—Coating a portion of a bundle of inserts, e.g. making brushes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/26—Installations of cables, lines, or separate protective tubing therefor directly on or in walls, ceilings, or floors

Definitions

  • the present invention consists in accordance with its statement in a "PASSENGER INJECTION PROCEDURE AND CENTRATOR / SEPARATOR ELEMENT TO USE IT WITH SUCH PROCEDURE", whose new construction, conformation and design characteristics fulfill the mission for which they have been specifically projected, with a maximum safety and efficiency and providing numerous advantages as detailed herein.
  • the electrical installation of a vehicle implies that a large number of electrical cables must run through various parts of the vehicle, which are grouped into mallets. These cables must run through walls and other elements of the vehicle, which is why cable glands are used.
  • the cable glands consist of an area of the cable harness in which an insulating plastic material has been injected that corresponds to the area of the cable harness that crosses a vehicle wall or any part thereof that interposes in the cable harness path .
  • the cable harness is subjected to injection molding of a plastic material that is introduced between the electric cables being isolated from any external element.
  • this injection technique for the formation of cable glands presents several drawbacks.
  • One of these drawbacks is that the harness is offset from the injected plastic mass. Indeed, a cross-section of a cable gland obtained by a conventional injection procedure makes it possible to observe that the cable harness is not in a centered position, concentric to the injected material. Consequently, the thickness of the cable gland obtained is not homogeneous throughout the periphery of the cable harness, presenting areas of greater thickness than others. In certain cases, the thickness can become so reduced
  • SUBSTITUTE SHEET (RULE 26) that some cables may be exposed and, therefore, the required sealing conditions are not met, obtaining an unsecured cable gland.
  • Another drawback derived from the conventional injection technique for the formation of cable glands is that in order to guarantee minimum sealing conditions a large amount of plastic injection material must be used in order to provide a cable gland with a relatively large thickness to ensure the sealing of the set.
  • the present invention has been developed in order to solve all the inconveniences of conventional cable gland injection procedures and modifies the state of the art mentioned above so that the intended objectives are achieved.
  • the invention also relates to a centering / separating element for use with the procedure described below.
  • the process of the invention is based on a conventional method of injecting a plastic material onto a harness of conductive cables that are part, for example, of the electrical installation of a vehicle.
  • the process comprises the stages of fluidization of the plastic material and injection of said material into a mold on the cable harness.
  • the particularity of the procedure described is that it also includes the step of incorporating a centering / separating element on the cable harness surrounding it to offer a minimum thickness and a homogeneous distribution of the injected material. Said centering / separating element is applied to the harness before injecting the plastic material and is subsequently fixed thereto.
  • this centering / separating element which is permanently applied In the cable harness after the injection process, a cable gland with a minimum wall thickness is obtained that guarantees the necessary sealing conditions in the electrical installation.
  • This advantage is associated with a considerable saving of injection material, which favorably influences the total production cost.
  • the result obtained offers a high degree of quality since the cable harness is perfectly centered on the cable gland and, therefore, the injection material is distributed homogeneously on the periphery thereof.
  • the centering / separating element used in the injection procedure described above is configured by two plastic semiaros that are joined together by one end.
  • the junction zone that is to say, the common end of the aforementioned semiaros, is a zone of reduced section that allows the movement of a semiaro with respect to the other in order to close the assembly surrounding the harness of cables that will be injected later to form the cable gland.
  • Said centering / separating element includes adjustable closing means of said semiaros among themselves consisting of an inner tooth formed at the free end of a semiaro, which is conveniently designed to fit into any of the outer projections of a stepped surface of the other. semi. This advantageously allows the internal diameter of the centering / separating element to be adjusted according to the number of cables in the cable harness.
  • the centering / separating element has a universal character, so that a single type of centering / separating element is used for cable harnesses formed by a different number of cables.
  • each semiaro is provided with a plurality of studs protruding outwards, which are intended to retain the centering / separating element in position relative to the harness.
  • Each stud has a substantially cylindrical configuration with a spherical finish at its end. Said end part is the contact area with the wall of the mold cavity, thus ensuring the centering of the harness to be injected.
  • These lugs allow the passage of the injection material towards the cables and, thus, allow the centering / separator element to be fully covered with said injection material.
  • each semiaro of the centering / separating element of the invention is internally provided with a flexible flap that acts on the cables by pressing them when said semiaros close to each other on the harness.
  • a centering / separating element is thus obtained with which the inconveniences derived from the conventional injection technique are solved.
  • the centering / separating element With said centering / separating element, the centering of the cables in the cable harness is maintained during the injection process, allowing to ensure a minimum thickness of injected material between each cable and the outside of the injected cable gland.
  • Figure 1 is a perspective view of a centering / separating element according to the present invention, which has been illustrated with the semiaros forming said centering / separating element in the open position.
  • Figure 2 is a sectional view of a plane containing the center of all the lugs of the Semiaros
  • Figure 3 is a perspective view in which a partially sectioned cable gland is shown in order to partially visualize the centering / separating element object of the present invention.
  • the elements described in the figures correspond to (1) semiaro of the centering / separating element, (2) semiaro of the centering / separating element, (3) connecting end of the semiaros to each other, (4) inner tooth of the semiaro (1) , (5) semiaro free end (1), (6, 7, 8) outer projections, (9) stepped semiaro surface (2), (10) outer surface of the centering / separating element, (11) studs, ( 12, 13) flexible fins, (14) wire harness, and (15) cable glands.
  • a centering / separating element can be seen that is used in the process of the invention, which modifies the conventional methods of injecting plastic material onto harnesses of conductive cables. the electrical installations of the vehicles.
  • the centering / separating element used in the injection procedure described above is configured by two semiaros (1, 2) made of plastic.
  • the semiaros are joined together by their common end (3), which defines a junction zone of reduced section to allow both semiaros (1, 2) to be folded and closed by surrounding a wire harness.
  • the centering / separating element illustrated includes adjustable means for closing the semiaros (1, 2) together.
  • These closing means consist of a wedge-shaped inner tooth (4) formed at the free end
  • This inner tooth (4) has a geometry such that it can fit into any of the outer projections (6, 7, 8) of a stepped surface (9) of the semiaro (2).
  • the outer surface (10) of the centering / separating element is provided with a series of lugs (11) projecting outwardly therefrom.
  • the lugs (11), which allow the centering / separating element to be held in position with respect to the cable harness, have a cylindrical shape with a spherical finish at its end, which is the area of contact with the wall of the mold cavity. This allows to ensure the centering of the harness to be injected and allow the passage of the injection material so that the centering / separating element is completely covered with said injection material.
  • the semiaros (1, 2) each incorporate a flexible fin (12, 13) of substantially rectangular shape that emerges from the free ends of each semiaro (1, 2).
  • the fins (12, 13) act on the cables of the cable harness by pressing them when said semiaros (1, 2) close each other on the cable harness.
  • the centering / separating element is permanently applied in the cable harness (14) after the injection process, as shown in Figure 3, whereby a cable gland (15) with a minimum wall thickness is obtained that guarantees the sealing conditions required.
  • the cable harness (14) is perfectly centered on the cable gland (15) and, therefore, the injection material is distributed homogeneously on the periphery of said cable harness.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing Of Terminals (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

Avant l'injection d'une matière plastique, on applique sur le faisceau de câbles (14) un élément de centrage/séparation afin d'obtenir un passe-câbles (15) d'une épaisseur minimale et assurant la répartition homogène de la matière injectée. L'élément de centrage/séparation se compose de deux demi-cercles (1, 2) reliés par une extrémité (3) présentant des moyens réglables de fermeture mutuelle des demi-cercles (1, 2), d'une série de tétons (11) qui font saillie vers l'extérieur de manière à maintenir l'élément de centrage/séparation en position par rapport au faisceau de câbles (14) et de deux languettes flexibles (12, 13) agissant sur les câbles (14) par pression lorsque les demi-cercles (1, 2) se referment sur eux-mêmes.
PCT/ES2000/000439 1999-12-07 2000-11-16 Procede d'injection de passe-cables et element de centrage/separation utilise dans ce procede Ceased WO2001042055A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP9902687 1999-12-07
ES9902687A ES2158818B1 (es) 1999-12-07 1999-12-07 Procedimiento de inyeccion de pasacables y elemento centrador separador para utilizarlo con dicho procedimiento.

Publications (1)

Publication Number Publication Date
WO2001042055A1 true WO2001042055A1 (fr) 2001-06-14

Family

ID=8310839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2000/000439 Ceased WO2001042055A1 (fr) 1999-12-07 2000-11-16 Procede d'injection de passe-cables et element de centrage/separation utilise dans ce procede

Country Status (2)

Country Link
ES (1) ES2158818B1 (fr)
WO (1) WO2001042055A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2236358A1 (fr) * 2009-04-03 2010-10-06 Sika Technology AG Élément d'étanchéité ou le renforcement d'une cavité et les procédures de l'introduction d'un élément de pénétration dans un tel élément
EP2760091A1 (fr) * 2013-01-28 2014-07-30 gabo Systemtechnik GmbH Cable protection for le passage de cables
DE102018220197B3 (de) * 2018-11-23 2020-03-19 Leoni Bordnetz-Systeme Gmbh Distanzelement, ummanteltes Leitungsbündel sowie Verfahren zur Herstellung eines ummantelten Leitungsbündels
EP4289594A1 (fr) * 2022-06-07 2023-12-13 Aptiv Technologies Limited Espaceur pour faisceau de harnais
DE102023212428A1 (de) * 2023-12-08 2025-06-12 Leoni Bordnetz-Systeme Gmbh Verfahren zur Herstellung eines elektrischen Bauteils sowie elektrisches Bauteil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2193906B1 (fr) 2008-12-03 2017-02-08 Gjm, S.A. Procédé de fabrication d'un axe de connecteur pour pare-soleil de véhicule et axe de connecteur ainsi obtenu

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822665A1 (de) * 1988-07-05 1989-02-16 Kathrein Werke Kg Verfahren zur herstellung einer kunststoffummantelung fuer einen flexiblen stab sowie danach hergestellter mit kunststoff ummantelter stab
DE4013785A1 (de) * 1990-04-28 1991-10-31 Minnesota Mining & Mfg Verfahren zum abdichten eines kabelbuendels in laengsrichtung und flexibles element zur durchfuehrung des verfahrens
ES2047533T3 (es) * 1987-12-03 1994-03-01 Ver Schuhmasch Gmbh Dispositivo y procedimiento para alimentar tachuelas.
EP0612132A1 (fr) * 1993-02-19 1994-08-24 Automobiles Peugeot Dispositif pour réaliser le passage d'un faisceau de fils électriques à travers une paroi,en particulier dans un véhicule automobile
ES2082054T3 (es) * 1990-08-07 1996-03-16 Delphi Automotive Systems Gmbh Molde de fundicion.
WO1997031415A2 (fr) * 1996-02-21 1997-08-28 Raychem Limited Element de traversee pour une paroi ou une cloison permettant de faire passer un faisceau de fils metalliques
US5834694A (en) * 1997-05-23 1998-11-10 General Motors Corporation Capillary action preventor
WO1999010152A1 (fr) * 1997-08-29 1999-03-04 Ut Automotive Dearborn, Inc. Appareil servant a centrer un faisceau de cables dans un moule
ES1041811U (es) * 1998-11-23 1999-08-01 Mecanismos Aux Ind Conjunto pasacables.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US583469A (en) * 1897-06-01 Paper box
DE3742731A1 (de) * 1987-12-17 1989-06-29 Reinshagen Kabelwerk Gmbh Abgedichtete durchfuehrung oder einfuehrung, verfahren zu ihrer herstellung und zur herstellung eines laengsdichten zuleitungsbuendels zu einer vorrichtung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2047533T3 (es) * 1987-12-03 1994-03-01 Ver Schuhmasch Gmbh Dispositivo y procedimiento para alimentar tachuelas.
DE3822665A1 (de) * 1988-07-05 1989-02-16 Kathrein Werke Kg Verfahren zur herstellung einer kunststoffummantelung fuer einen flexiblen stab sowie danach hergestellter mit kunststoff ummantelter stab
DE4013785A1 (de) * 1990-04-28 1991-10-31 Minnesota Mining & Mfg Verfahren zum abdichten eines kabelbuendels in laengsrichtung und flexibles element zur durchfuehrung des verfahrens
ES2082054T3 (es) * 1990-08-07 1996-03-16 Delphi Automotive Systems Gmbh Molde de fundicion.
EP0612132A1 (fr) * 1993-02-19 1994-08-24 Automobiles Peugeot Dispositif pour réaliser le passage d'un faisceau de fils électriques à travers une paroi,en particulier dans un véhicule automobile
WO1997031415A2 (fr) * 1996-02-21 1997-08-28 Raychem Limited Element de traversee pour une paroi ou une cloison permettant de faire passer un faisceau de fils metalliques
US5834694A (en) * 1997-05-23 1998-11-10 General Motors Corporation Capillary action preventor
WO1999010152A1 (fr) * 1997-08-29 1999-03-04 Ut Automotive Dearborn, Inc. Appareil servant a centrer un faisceau de cables dans un moule
ES1041811U (es) * 1998-11-23 1999-08-01 Mecanismos Aux Ind Conjunto pasacables.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2236358A1 (fr) * 2009-04-03 2010-10-06 Sika Technology AG Élément d'étanchéité ou le renforcement d'une cavité et les procédures de l'introduction d'un élément de pénétration dans un tel élément
US8597763B2 (en) 2009-04-03 2013-12-03 Sika Technology Ag Element for sealing or reinforcing a cavity and method for introducing a penetrating element into such an element
EP2760091A1 (fr) * 2013-01-28 2014-07-30 gabo Systemtechnik GmbH Cable protection for le passage de cables
DE102018220197B3 (de) * 2018-11-23 2020-03-19 Leoni Bordnetz-Systeme Gmbh Distanzelement, ummanteltes Leitungsbündel sowie Verfahren zur Herstellung eines ummantelten Leitungsbündels
EP4289594A1 (fr) * 2022-06-07 2023-12-13 Aptiv Technologies Limited Espaceur pour faisceau de harnais
US12390966B2 (en) 2022-06-07 2025-08-19 Aptiv Technologies AG Spacer for harness bundle
DE102023212428A1 (de) * 2023-12-08 2025-06-12 Leoni Bordnetz-Systeme Gmbh Verfahren zur Herstellung eines elektrischen Bauteils sowie elektrisches Bauteil
DE102023212428B4 (de) * 2023-12-08 2025-08-28 Leoni Bordnetz-Systeme Gmbh Verfahren zur Herstellung eines elektrischen Bauteils sowie elektrisches Bauteil

Also Published As

Publication number Publication date
ES2158818B1 (es) 2002-05-01
ES2158818A1 (es) 2001-09-01

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