EP0557143B1 - Housing for a bundle of electric wires connectable to terminals - Google Patents

Housing for a bundle of electric wires connectable to terminals Download PDF

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Publication number
EP0557143B1
EP0557143B1 EP19930400148 EP93400148A EP0557143B1 EP 0557143 B1 EP0557143 B1 EP 0557143B1 EP 19930400148 EP19930400148 EP 19930400148 EP 93400148 A EP93400148 A EP 93400148A EP 0557143 B1 EP0557143 B1 EP 0557143B1
Authority
EP
European Patent Office
Prior art keywords
receptacle
circuit
conductors
terminals
folded
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
EP19930400148
Other languages
German (de)
French (fr)
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EP0557143A1 (en
Inventor
Olaf Dunkel
Jean-Paul Viennois
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Dav SA
Original Assignee
Dav SA
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Publication date
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Publication of EP0557143A1 publication Critical patent/EP0557143A1/en
Application granted granted Critical
Publication of EP0557143B1 publication Critical patent/EP0557143B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
    • H01H1/585—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs and piercing the wire insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators

Definitions

  • the present invention relates to a receptacle for a bundle of electrical conductors connectable to connection terminals and capable of being used, for example for connecting a switch for car window regulators, to one or more manual and / or automatic operating modes. .
  • an electronic time delay can be provided, a command by fleeting press on a switch key, a selection of several functions, a progressive command by pulses, the detection and taking into account of various parameters. , etc.
  • control assemblies of such devices include in particular a primary electrical circuit constituting part of a function management electronics, a manual switching device and switching devices for high currents or power circuits (relays) for controlling the load.
  • the control assemblies are generally provided with output connection terminals to be connected to connector boxes which are themselves connected to a vehicle wiring harness.
  • the connector housings occupy a volume which can sometimes be as large and even exceed the volume of the control assemblies. It was therefore essential, for reasons of space, to reduce these volumes and it was quite natural to replace the connector housings with bundles of conductors.
  • connection wiring comes, among other things, from the bundle (s) of electrical conductors intended to be connected directly to the elements of the control chain.
  • each output terminal of the circuit which can be in the form of a connection tab, must be connected to one of said conductors.
  • the conductors are brought together in bundles.
  • the bundle can be obtained by twisting the conductors together so that the stripped free ends or without insulating sheath can be welded to the corresponding connection tabs, each free conductor end being manually welded or crimped to the connection tab.
  • the conductors are of unequal lengths due to the positions occupied by the connection tabs, it is necessary to pull one of the conductors of the harness, starting with one of the sides of the circuit.
  • the FR patent. 2,204,863 relates to a switch comprising in particular a three-conductor cable which is cut to allow certain sections of the conductors to be separated from each other, the sections thus separated being able to be housed in notches provided for this purpose in the housing.
  • DE-A-32 03 651 it is known to use a cylindrical bundle of conductors or cables which are drawn to enable them to cross a circuit and then to be connected to connection tabs which are arranged below said conductors .
  • DE-A-32 03 651 presents a receptacle mounted on one face of a circuit according to the preamble of claim 1.
  • An object of the present invention is to provide a bundle of conductors in which it is not necessary to separate said conductors from one another, and which allows each of the conductors to be connected securely and without manipulation to the corresponding connection tab. .
  • the invention is as defined in the characterizing part of claim 1.
  • An advantage of such a characteristic resides in the fact that there is in the presence, at the level of the circuit, a layer of conductors, the width of which is substantially that of the circuit and the thickness of which is at most equal to the thickness to the diameter of the insulating and protective sheath of the conductive wire.
  • the bundle of conductors is flat and disposed on one face of the circuit through which two lateral ramps of connection tabs open, said flat bundle being disposed between said lateral rows.
  • Another advantage of the present invention is that when the receptacle is fixed to the circuit, any movement of the conductors is prevented while allowing prepositioning according to the position of the output terminals, so as to automatically bring the folded ends of the conductors opposite or above the output terminals, which greatly facilitates connection.
  • Figure 1 is an exploded view of a receptacle associated with a circuit of a switch.
  • Figure 2 is an exploded view of the receptacle according to an embodiment of the invention.
  • Figure 3 is a plan view of an example of a pre-cut primary circuit used with the receptacle according to the present invention.
  • FIG. 4 is a perspective view of the overmolded circuit of FIG. 3.
  • Figure 5 is a top view of a switch, the control button removed.
  • Figure 6 is a view along VI-VI of Figure 5 but with the control key.
  • the bundle of conductors 1 comprises at least one layer of conductors.
  • the conductors are substantially adjacent to each other and are located substantially in the same horizontal plane.
  • the bundle 1 comprises six conductors 2 to 7, of unequal lengths, the conductor 2 being smaller and associated with an output tab 8a of a circuit of the type shown in FIG. 3, the conductor 4 being the longest and associated with the output tab 8b.
  • the free ends 2a to 7a of the conductors 2 to 7 are folded at a right angle so as to come opposite or above the corresponding output tabs, depending on the connection mode chosen to connect said conductors to said output tabs.
  • the end parts 2a to 7a can be stripped before their connection to the outlet tongues 8.
  • the connection can also be made by displacement of insulation when the edges 9 of the forks 10 of the outlet tongues are sharp.
  • the parts of one end of the conductors are overmolded in a receptacle 11 which is shaped such that it can be inserted between the lateral rows of outlet tongues 8, with the folded ends 2a to 7a of the conductors 2 to 7 free, not overmolded and opening out laterally so that they can be connected with the corresponding output tabs.
  • the connection of the receptacle on the face of the circuit preferably overmolded, can be produced by means of connecting studs 12 engaging in orifices 13 formed for this purpose in the receptacle 11.
  • the receptacle 11 it is made in two parts 14 and 15 which may or may not be integral with each other, the separation being shown in FIG. 1 by a dotted line 16.
  • the lower part 15 is provided with grooves 17 in each of which is housed a conductor, the upper part 14 then constituting a kind of cover which can be connected, for example by a flexible hinge to the lower part 15 so as to constitute an openable housing.
  • the receptacle 11 can also be constituted solely by the upper part 14 forming a cover on the internal face of which grooves 17 are provided for housing the conductors 2 to 7.
  • grooves 17 In all cases where grooves 17 exist, these each have a length equal to that of the corresponding conductor.
  • the receptacle according to the present invention has a small volume and can be inserted between the rows of the circuit output tabs.
  • the receptacle includes areas cut both to lighten it and possibly to constitute a gripping area.
  • the grooves 17 are formed so that the conductors open on the lateral faces and not on the upper and / or lower face of said receptacle. However, if this were necessary, one could provide outlet orifices on the lower and upper parts 14 and 15 for the conductors 2 to 7, depending on the positioning of the outlet tabs 8 of the circuit.
  • each conductor When the connection of the conductors 2 to 7 with the output tabs 8 is effected by displacement of insulation, there is provided for each conductor at least one opening formed in the upper 14 and lower 15 parts, of which only one 7b corresponding to the conductor 7 is shown in figure 2.
  • the circuit 23 which is associated with the receptacle 11 with its bundle 1 of conductors is precut and comprises (FIG. 3) tracks 18 which are connected to each other in the usual way.
  • Two extreme lateral foldable tracks 19 and 20 are also precut and are intended to receive electrical contacts 21, other electrical contacts 22, being provided on some of the tracks 18.
  • the electrical contacts 21 and 22 are produced on a strip. comprising a number of circuits 23, similar to that shown in FIG. 3, and connected to each other. In this way, the positioning and the making of the electrical contacts can be done relatively quickly, with good precision and automatically, with suitable means which are not described since they are not concerned with the present invention.
  • the circuit 23 also includes connection tabs 8 which are provided at suitable locations, so that after folding, the circuit 23 takes the configuration shown in FIG. 3 in which the output tabs 8 are substantially orthogonal to the horizontal plane containing tracks 18. It is understood that depending on the configuration of the circuit and its use, the output tabs 8 can be folded up instead of being folded down, some of them being able to be horizontal.
  • free ends of the outlet tongues 8 are in the form of a fork 10 which appears to be the suitable form for receiving conductors and even partially stripping the conductors, as is known under the name of displacement of insulation by specialists in the field.
  • edges 9 which is sharp so as to effect a partial removal of the insulating sheath surrounding the conductive wire during the forceing of the complete conductor (wire and sheath) in a fork 10.
  • the two edges 9 of the fork are sharp.
  • the lateral tracks 19 and 20 each have preformed notches 24 and 25 to facilitate folding.
  • the lateral tracks 19 and 20 can, independently of one or both of them together, be folded back so as to occupy various positions shown in solid lines and in dotted lines in FIG. 4. They can be held perpendicular to the upper face 26 of the circuit, or folded back so that they are parallel to said upper face of the circuit, the contacts 21 being, in this case, opposite the contacts 22, or even occupying an intermediate position, that is to say -to say inclined on said upper face of the circuit.
  • the position of tracks 19 and 20 will essentially depend on the positioning of the rocker or other mechanism associated with said electrical contacts.
  • the circuit 23 comprises support means 27 for a mechanism such as a rocker and support means 28 for a component such as a light emitting diode for example.
  • the rocker support 27 consists of two portions of circuit 29 which are folded along notches 30 so as to be parallel to each other and substantially perpendicular to the upper face 26 of the circuit 1 ( Figures 3 and 4).
  • the rocker is of the type comprising a frame 31 and a spring 32, as shown in FIGS. 5 and 6, then the circuit portions 29 are provided with hooking notches 33 and larger positioning notches 34 of the rocker ( Figure 4).
  • the circuit 23 includes two support members or means 27 because it is intended to be placed in a switch with two rockers, as will be described with reference to FIGS. 5 and 6.
  • the support member 28 is also folded back to occupy the position shown in FIG. 4, that is to say perpendicular to the upper face 26 of the circuit.
  • the tracks 19 and 20 occupy vertical positions which are not the final positions.
  • the underside 35 is molded, that is to say covered with an insulating layer 36, which is provided with fixing lugs 37 for the switch, come with said insulating layer during overmolding, so as to obtain an overmolded circuit as shown in FIG. 4, passages for the passage of the outlet tongues 8 having been made during overmolding.
  • a simple way of carrying out overmolding consists in depositing the circuit in a mold, the foldable parts being arranged vertically; the overmolding of the lower face of the circuit is carried out in such a way that the upper face of said circuit is substantially level with the upper surface 38 of the overmolding, as can be seen in FIG. 4.
  • the output tabs 8 are in a certain position determined by their cutout on the circuit 23.
  • Each output tab must correspond to a conductor of the bundle of conductors 1.
  • conductor is meant the 'assembly consisting of an insulating sheath in which is disposed a conductive metal wire.
  • the circuits 23 with the harnesses 1 can be used in many pieces of equipment, such as for example a switch for automobile window regulators as shown in FIGS. 5 and 6.
  • the mechanisms supported by the circuit are constituted by two rockers.
  • Each rocker 43 is constituted by a frame 31 which is supported by the support members 27, the frame 31 being arranged, by one of its sides, in the notches 33 of the vertical walls 29 of the support.
  • the rocker comprises a leaf spring 32, one end of which rests on the bottom of notches 33a formed in vertical walls of the support 27, and a contact 44 carried by a central blade 45 of the rocker.
  • the lateral tracks 19 and 20 of the circuit 23 are parallel to the upper face 26 of the said circuit, so that the contact opposite the contact 44 of the rocker cooperates with the upper contact 21 of the circuit.
  • the switch usually comprises a control key 46, a housing 47, a piston 48 with its support 49 acting on the central blade 45 of the rocker, a partition wall 50 and a light-emitting diode 51 mounted on the support column 28 which is an integral part of the circuit.

Description

La présente invention concerne un réceptacle pour faisceau de conducteurs électriques connectables à des bornes de connexion et susceptible d'être utilisé, par exemple pour raccorder un commutateur de lève-vitres d'automobiles, à un ou plusieurs modes de fonctionnement manuel et/ou automatique.The present invention relates to a receptacle for a bundle of electrical conductors connectable to connection terminals and capable of being used, for example for connecting a switch for car window regulators, to one or more manual and / or automatic operating modes. .

Des équipements et accessoires électriques, de plus en plus nombreux, sont montés à bord des automobiles. Le fonctionnement de certains d'entre eux est maintenant géré par des circuits électroniques de gestion de commande. C'est ainsi qu'on peut prévoir, par exemple, une temporisation électronique, une commande par appui fugitif sur une touche de commutateur, une sélection de plusieurs fonctions, une commande progressive par impulsions, la détection et la prise en compte de divers paramètres, etc.More and more electrical equipment and accessories are installed on board cars. The operation of some of them is now managed by electronic control management circuits. Thus, for example, an electronic time delay can be provided, a command by fleeting press on a switch key, a selection of several functions, a progressive command by pulses, the detection and taking into account of various parameters. , etc.

Les ensembles de commande de tels appareils comprennent notamment un circuit électrique primaire constituant une partie d'une électronique de gestion de fonction, un organe manuel de commutation et des organes de commutation en courants élevés ou circuits de puissance (relais) pour commander la charge.The control assemblies of such devices include in particular a primary electrical circuit constituting part of a function management electronics, a manual switching device and switching devices for high currents or power circuits (relays) for controlling the load.

Les ensembles de commande sont pourvus, en général, de bornes de connexion de sortie à connecter à des boîtiers connecteurs qui sont eux-mêmes reliés à un faisceau de câblage du véhicule. Très souvent, les boîtiers connecteurs occupent un volume qui peut parfois être aussi important et même dépasser le volume des ensembles de commande. Il était donc indispensable, pour des raisons d'encombrement, de réduire ces volumes et on fut amené tout naturellement à remplacer les boîtiers connecteurs par des faisceaux de conducteurs.The control assemblies are generally provided with output connection terminals to be connected to connector boxes which are themselves connected to a vehicle wiring harness. Very often, the connector housings occupy a volume which can sometimes be as large and even exceed the volume of the control assemblies. It was therefore essential, for reasons of space, to reduce these volumes and it was quite natural to replace the connector housings with bundles of conductors.

Ceci a eu pour effet d'introduire un câblage de liaison important entre les éléments constituant une chaîne de commande liée à un ensemble de commutation, notamment lorsqu'il s'agit de commandes unitaires et de fonctions simples.This had the effect of introducing a significant connection wiring between the elements constituting a control chain linked to a switching assembly, especially when it comes to unitary controls and simple functions.

Or, une des difficultés rencontrées lors du câblage de liaison provient, entre autres, du ou des faisceaux des conducteurs électriques destinés à être connectés directement aux éléments de la chaîne de commande.However, one of the difficulties encountered in connection wiring comes, among other things, from the bundle (s) of electrical conductors intended to be connected directly to the elements of the control chain.

En effet, chaque borne de sortie du circuit, qui peut se présenter sous la forme d'une languette de connexion, doit être connectée à un desdits conducteurs. De manière à éviter que les conducteurs ne puissent se déplacer les uns par rapport aux autres, ou perturber, par contact, les autres organes de la chaîne de commande qui sont voisins, les conducteurs sont réunis en faisceaux. Le faisceau peut être obtenu en torsadant les conducteurs entre eux de telle sorte que les extrémités libres dénudées ou sans gaine isolante puissent être soudées aux languettes de connexion correspondantes, chaque extrémité libre de conducteur étant soudée manuellement ou sertie à la languette de connexion. Comme les conducteurs sont de longueurs inégales en raison des positions occupées par les languettes de connexion, il est nécessaire de tirer un des conducteurs du faisceau, en commençant par un des côtés du circuit. Cela implique d'écarter les autres conducteurs du faisceau pour permettre l'opération de soudure ou de sertissage. On conçoit aisément que non seulement les opérations de soudure sont malaisées mais qu'elles nécessitent une immobilisation relativement longue du préposé à la soudure et donc grèvent, de façon importante, le coût de fabrication des circuits terminés avec leurs faisceaux de conducteurs. Par ailleurs, une torsade de conducteurs occupe nécessairement un certain volume alors que la tendance actuelle est de réaliser des ensembles compacts et de faible volume.Indeed, each output terminal of the circuit, which can be in the form of a connection tab, must be connected to one of said conductors. In order to prevent the conductors from being able to move relative to one another, or to disturb, by contact, the other members of the control chain which are neighboring, the conductors are brought together in bundles. The bundle can be obtained by twisting the conductors together so that the stripped free ends or without insulating sheath can be welded to the corresponding connection tabs, each free conductor end being manually welded or crimped to the connection tab. As the conductors are of unequal lengths due to the positions occupied by the connection tabs, it is necessary to pull one of the conductors of the harness, starting with one of the sides of the circuit. This involves removing the other conductors from the bundle to allow the soldering or crimping operation. It is easy to see that not only are the welding operations difficult, but that they require a relatively long immobilization of the welder and therefore add significantly to the cost of manufacturing finished circuits with their bundles of conductors. Furthermore, a twist of conductors necessarily occupies a certain volume whereas the current trend is to produce compact assemblies and of small volume.

Enfin, pour éviter que les conducteurs ne se détachent des faisceaux, ce qui pourrait provoquer la rupture d'une soudure, il est, de plus en plus, fait appel à des moyens de liaison supplémentaires qui maintiennent les faisceaux dans un état donné.Finally, to prevent the conductors from coming off the bundles, which could cause the rupture of a weld, it is increasingly used additional connecting means which keep the bundles in a given state.

Le brevet FR. 2 204 863 concerne un commutateur comprenant notamment un câble à trois conducteurs qui est découpé pour permettre à certains tronçons des conducteurs d'être séparés les uns des autres, les tronçons ainsi séparés pouvant être logés dans des encoches ménagées à cet effet dans le boîtier.The FR patent. 2,204,863 relates to a switch comprising in particular a three-conductor cable which is cut to allow certain sections of the conductors to be separated from each other, the sections thus separated being able to be housed in notches provided for this purpose in the housing.

Par DE-A-32 03 651 il est connu d'utiliser un faisceau cylindrique de conducteurs ou câbles qui sont tirés pour leur permettre de traverser un circuit et ensuite d'être connectés à des languettes de connexion qui sont disposées au-dessous desdits conducteurs. DE-A-32 03 651 présente un réceptacle monté sur une face d'un circuit selon le préambule de la revendication 1.By DE-A-32 03 651 it is known to use a cylindrical bundle of conductors or cables which are drawn to enable them to cross a circuit and then to be connected to connection tabs which are arranged below said conductors . DE-A-32 03 651 presents a receptacle mounted on one face of a circuit according to the preamble of claim 1.

Un but de la présente invention est de réaliser un faisceau de conducteurs dans lequel il n'est pas nécessaire de séparer lesdits conducteurs les uns des autres, et qui permette de connecter de façon sûre et sans manipulation chacun des conducteurs à la languette de connexion correspondante.An object of the present invention is to provide a bundle of conductors in which it is not necessary to separate said conductors from one another, and which allows each of the conductors to be connected securely and without manipulation to the corresponding connection tab. .

L'invention est telle que définie dans la partie caractérisante de la revendication 1.The invention is as defined in the characterizing part of claim 1.

Un avantage d'une telle caractéristique réside dans le fait qu'on est en présence, au niveau du circuit, d'une couche de conducteurs, dont la largeur est sensiblement celle du circuit et dont l'épaisseur est au plus égale à l'épaisseur au diamètre de la gaine isolante et protectrice du fil conducteur.An advantage of such a characteristic resides in the fact that there is in the presence, at the level of the circuit, a layer of conductors, the width of which is substantially that of the circuit and the thickness of which is at most equal to the thickness to the diameter of the insulating and protective sheath of the conductive wire.

Selon une autre caractéristique de l'invention, le faisceau de conducteurs est plat et disposé sur une face du circuit à travers lequel débouchent deux rampes latérales de languettes de connexion, ledit faisceau plat étant disposé entre lesdites rangées latérales.According to another characteristic of the invention, the bundle of conductors is flat and disposed on one face of the circuit through which two lateral ramps of connection tabs open, said flat bundle being disposed between said lateral rows.

Un autre avantage de la présente invention est que lorsque le réceptacle est fixé au circuit, tout déplacement des conducteurs est empêché tout en permettant un prépositionnement en fonction de la position des bornes de sortie, de manière à amener automatiquement les extrémités repliées des conducteurs en regard ou au-dessus des bornes de sortie, ce qui facilite grandement la connexion.Another advantage of the present invention is that when the receptacle is fixed to the circuit, any movement of the conductors is prevented while allowing prepositioning according to the position of the output terminals, so as to automatically bring the folded ends of the conductors opposite or above the output terminals, which greatly facilitates connection.

D'autres caractéristiques sont définies dans les revendications 2 à 20.Other features are defined in claims 2 to 20.

D'autres avantages et caractéristiques apparaîtront à la lecture d'un mode de réalisation de la présente invention, ainsi que des dessins annexés sur lesquels :Other advantages and characteristics will appear on reading an embodiment of the present invention, as well as the appended drawings in which:

La figure 1 est une vue éclatée d'un réceptacle associé à un circuit d'un commutateur.Figure 1 is an exploded view of a receptacle associated with a circuit of a switch.

La figure 2 est une vue éclatée du réceptacle selon un mode de réalisation de l'invention.Figure 2 is an exploded view of the receptacle according to an embodiment of the invention.

La figure 3 est une vue en plan d'un exemple de circuit primaire prédécoupé utilisé avec le réceptacle selon la présente invention.Figure 3 is a plan view of an example of a pre-cut primary circuit used with the receptacle according to the present invention.

La figure 4 est une vue en perspective du circuit surmoulé de la figure 3 .FIG. 4 is a perspective view of the overmolded circuit of FIG. 3.

La figure 5 est une vue de dessus d'un commutateur, la touche de commande enlevée.Figure 5 is a top view of a switch, the control button removed.

La figure 6 est une vue selon VI-VI de la figure 5 mais avec la touche de commande.Figure 6 is a view along VI-VI of Figure 5 but with the control key.

Dans la forme de réalisation représentée sur la figure 1, le faisceau de conducteurs 1 comprend au moins une couche de conducteurs. Dans la couche, les conducteurs sont sensiblement adjacents les uns des autres et sont situés sensiblement dans un même plan horizontal. Dans l'exemple représenté, le faisceau 1 comprend six conducteurs 2 à 7, d'inégales longueurs, le conducteur 2 étant plus petit et associé à une languette de sortie 8a d'un circuit du type représenté sur la figure 3, le conducteur 4 étant le plus long et associé à la languette de sortie 8b. Les extrémités libres 2a à 7a des conducteurs 2 à 7 sont repliées à angle droit de manière à venir en regard ou au-dessus des languettes de sortie correspondantes, selon le mode de connexion choisi pour connecter lesdits conducteurs auxdites languettes de sortie.In the embodiment shown in Figure 1, the bundle of conductors 1 comprises at least one layer of conductors. In the layer, the conductors are substantially adjacent to each other and are located substantially in the same horizontal plane. In the example shown, the bundle 1 comprises six conductors 2 to 7, of unequal lengths, the conductor 2 being smaller and associated with an output tab 8a of a circuit of the type shown in FIG. 3, the conductor 4 being the longest and associated with the output tab 8b. The free ends 2a to 7a of the conductors 2 to 7 are folded at a right angle so as to come opposite or above the corresponding output tabs, depending on the connection mode chosen to connect said conductors to said output tabs.

Les parties d'extrémité 2a à 7a peuvent être dénudées préalablement à leur connexion aux languettes de sortie 8. La connexion peut être également réalisée par déplacement d'isolant lorsque les bords 9 des fourches 10 des languettes de sortie sont tranchants.The end parts 2a to 7a can be stripped before their connection to the outlet tongues 8. The connection can also be made by displacement of insulation when the edges 9 of the forks 10 of the outlet tongues are sharp.

Selon l'invention, les parties d'une extrémité des conducteurs sont surmoulées dans un réceptacle 11 qui est de forme telle qu'il puisse s'insérer entre les rangées latérales de languettes de sortie 8, avec les extrémités repliées 2a à 7a des conducteurs 2 à 7 dégagées, non surmoulées et débouchant latéralement de manière à pouvoir les connecter avec les languettes de sortie correspondantes. La liaison du réceptacle sur la face du circuit, de préférence surmoulée, peut être réalisée au moyen de tétons de liaison 12 s'engageant dans des orifices 13 ménagés à cet effet dans le réceptacle 11.According to the invention, the parts of one end of the conductors are overmolded in a receptacle 11 which is shaped such that it can be inserted between the lateral rows of outlet tongues 8, with the folded ends 2a to 7a of the conductors 2 to 7 free, not overmolded and opening out laterally so that they can be connected with the corresponding output tabs. The connection of the receptacle on the face of the circuit, preferably overmolded, can be produced by means of connecting studs 12 engaging in orifices 13 formed for this purpose in the receptacle 11.

Selon un autre mode de réalisation du réceptacle 11, celui-ci est réalisé en deux parties 14 et 15 qui peuvent être solidaires ou non entre elles, la séparation étant matérialisée sur la figure 1 par une ligne en pointillés 16. Dans ce cas, la partie inférieure 15 est pourvue de rainures 17 dans chacune desquelles est logé un conducteur, la partie supérieure 14 constituant alors une sorte de couvercle qui peut être relié, par exemple par une charnière souple à la partie inférieure 15 de manière à constituer un boîtier ouvrable.According to another embodiment of the receptacle 11, it is made in two parts 14 and 15 which may or may not be integral with each other, the separation being shown in FIG. 1 by a dotted line 16. In this case, the lower part 15 is provided with grooves 17 in each of which is housed a conductor, the upper part 14 then constituting a kind of cover which can be connected, for example by a flexible hinge to the lower part 15 so as to constitute an openable housing.

Le réceptacle 11 peut également être constitué uniquement par la partie supérieure 14 formant couvercle sur la face interne de laquelle on ménage des rainures 17 pour le logement des conducteurs 2 à 7.The receptacle 11 can also be constituted solely by the upper part 14 forming a cover on the internal face of which grooves 17 are provided for housing the conductors 2 to 7.

Dans tous les cas où des rainures 17 existent, celles-ci présentent chacune une longueur égale à celle du conducteur correspondant.In all cases where grooves 17 exist, these each have a length equal to that of the corresponding conductor.

Le réceptacle selon la présente invention présente un faible volume et peut être inséré entre les rangées des languettes de sortie du circuit. De plus, le réceptacle comprend des zones découpées à la fois pour l'alléger et éventuellement pour constituer une zone de préhension.The receptacle according to the present invention has a small volume and can be inserted between the rows of the circuit output tabs. In addition, the receptacle includes areas cut both to lighten it and possibly to constitute a gripping area.

Dans la forme de réalisation représentée les rainures 17 sont ménagées de telle sorte que les conducteurs débouchent sur les faces latérales et non pas sur la face supérieure et/ou inférieure dudit réceptacle. Mais, si cela était nécessaire, on pourrait prévoir des orifices de sortie sur les parties inférieure et supérieure 14 et 15 pour les conducteurs 2 à 7 et ce, en fonction du positionnement des languettes de sortie 8 du circuit.In the embodiment shown the grooves 17 are formed so that the conductors open on the lateral faces and not on the upper and / or lower face of said receptacle. However, if this were necessary, one could provide outlet orifices on the lower and upper parts 14 and 15 for the conductors 2 to 7, depending on the positioning of the outlet tabs 8 of the circuit.

Lorsque la liaison des conducteurs 2 à 7 avec les languettes de sortie 8 est effectuée par déplacement d'isolant, on prévoit pour chaque conducteur au moins une ouverture ménagée dans les parties supérieure 14 et inférieure 15, dont une seule 7b correspondant au conducteur 7 est représentée sur la figure 2.When the connection of the conductors 2 to 7 with the output tabs 8 is effected by displacement of insulation, there is provided for each conductor at least one opening formed in the upper 14 and lower 15 parts, of which only one 7b corresponding to the conductor 7 is shown in figure 2.

Selon une autre caractéristique de la présente invention, le circuit 23 qui est associé au réceptacle 11 avec son faisceau 1 de conducteurs est prédécoupé et comprend (figure 3) des pistes 18 qui sont reliées les unes aux autres de manière habituelle. Deux pistes latérales extrêmes repliables 19 et 20 sont également prédécoupées et sont destinées à recevoir des contacts électriques 21, d'autres contacts électriques 22, étant prévus sur certaines des pistes 18. La réalisation des contacts électriques 21 et 22 est effectuée, sur une bande comprenant un certain nombre de circuits 23, analogues à celui représenté sur la figure 3, et rattachés les uns aux autres. De cette manière, le positionnement et la réalisation des contacts électriques peut se faire relativement vite, avec une bonne précision et de façon automatique, avec des moyens appropriés qui ne sont pas décrits car ils ne sont pas concernés par la présente invention.According to another characteristic of the present invention, the circuit 23 which is associated with the receptacle 11 with its bundle 1 of conductors is precut and comprises (FIG. 3) tracks 18 which are connected to each other in the usual way. Two extreme lateral foldable tracks 19 and 20 are also precut and are intended to receive electrical contacts 21, other electrical contacts 22, being provided on some of the tracks 18. The electrical contacts 21 and 22 are produced on a strip. comprising a number of circuits 23, similar to that shown in FIG. 3, and connected to each other. In this way, the positioning and the making of the electrical contacts can be done relatively quickly, with good precision and automatically, with suitable means which are not described since they are not concerned with the present invention.

Le circuit 23 comprend également des languettes de connexion 8 qui sont prévues à des endroits appropriés, de manière telle qu'après repliage, le circuit 23 prenne la configuration représentée sur la figure 3 sur laquelle les languettes de sortie 8 sont sensiblement orthogonales au plan horizontal contenant les pistes 18. Il est bien entendu qu'en fonction de la configuration du circuit et de son utilisation, les languettes de sortie 8 peuvent être repliées vers le haut au lieu d'être repliées vers le bas, certaines d'entre elles pouvant être horizontales. De préférence, les extrémités libres des languettes de sortie 8 sont en forme de fourche 10 qui semble être la forme adéquate pour recevoir des conducteurs et même dénuder partiellement les conducteurs, ainsi que cela est connu sous le nom de déplacement d'isolant par les spécialistes en la matière. Pour avoir un déplacement d'isolant, il est nécessaire d'avoir au moins un des bords 9 qui soit tranchant de manière à effectuer un enlèvement partiel de la gaine isolante entourant le fil conducteur lors de la mise à force du conducteur complet (fil et gaine) dans une fourche 10. De préférence, les deux bords 9 de la fourche sont tranchants.The circuit 23 also includes connection tabs 8 which are provided at suitable locations, so that after folding, the circuit 23 takes the configuration shown in FIG. 3 in which the output tabs 8 are substantially orthogonal to the horizontal plane containing tracks 18. It is understood that depending on the configuration of the circuit and its use, the output tabs 8 can be folded up instead of being folded down, some of them being able to be horizontal. Preferably, free ends of the outlet tongues 8 are in the form of a fork 10 which appears to be the suitable form for receiving conductors and even partially stripping the conductors, as is known under the name of displacement of insulation by specialists in the field. To have an insulation displacement, it is necessary to have at least one of the edges 9 which is sharp so as to effect a partial removal of the insulating sheath surrounding the conductive wire during the forceing of the complete conductor (wire and sheath) in a fork 10. Preferably, the two edges 9 of the fork are sharp.

Les pistes latérales 19 et 20 comportent chacune des encoches préformées 24 et 25 pour faciliter le pliage. Les pistes latérales 19 et 20 peuvent, indépendamment l'une de l'autre ou toutes les deux ensemble, être repliées de telle sorte à occuper diverses positions représentées en traits pleins et en pointillés sur la figure 4. Elles peuvent être maintenues perpendiculairement à la face supérieure 26 du circuit, ou repliées de telle sorte qu'elles soient parallèles à ladite face supérieure du circuit, les contacts 21 étant, dans ce cas, en regard des contacts 22, ou encore occuper une position intermédiaire, c'est-à-dire inclinée sur ladite face supérieure du circuit. En fait, la position des pistes 19 et 20 dépendra essentiellement du positionnement du basculeur ou autre mécanisme associé auxdits contacts électriques.The lateral tracks 19 and 20 each have preformed notches 24 and 25 to facilitate folding. The lateral tracks 19 and 20 can, independently of one or both of them together, be folded back so as to occupy various positions shown in solid lines and in dotted lines in FIG. 4. They can be held perpendicular to the upper face 26 of the circuit, or folded back so that they are parallel to said upper face of the circuit, the contacts 21 being, in this case, opposite the contacts 22, or even occupying an intermediate position, that is to say -to say inclined on said upper face of the circuit. In fact, the position of tracks 19 and 20 will essentially depend on the positioning of the rocker or other mechanism associated with said electrical contacts.

En se référant à nouveau à la figure 3, on constate que le circuit 23 comprend des moyens de support 27 pour un mécanisme tel qu'un basculeur et des moyens de support 28 pour un composant tel qu'une diode électroluminescente par exemple.Referring again to Figure 3, we see that the circuit 23 comprises support means 27 for a mechanism such as a rocker and support means 28 for a component such as a light emitting diode for example.

Le support 27 de basculeur est constitué par deux portions de circuit 29 qui sont repliées le long d'encoches 30 de manière à être parallèles entre elles et sensiblement perpendiculaires à la face supérieure 26 du circuit 1 (figures 3 et 4). Lorsque le basculeur est du type comportant un cadre 31 et un ressort 32, ainsi que cela est représenté sur les figures 5 et 6, alors les portions de circuit 29 sont pourvues d'encoches d'accrochage 33 et de plus grandes encoches 34 de positionnement du basculeur (figure 4).The rocker support 27 consists of two portions of circuit 29 which are folded along notches 30 so as to be parallel to each other and substantially perpendicular to the upper face 26 of the circuit 1 (Figures 3 and 4). When the rocker is of the type comprising a frame 31 and a spring 32, as shown in FIGS. 5 and 6, then the circuit portions 29 are provided with hooking notches 33 and larger positioning notches 34 of the rocker (Figure 4).

Sur les figures, le circuit 23 comprend deux organes ou moyens de support 27 car il est destiné à être disposé dans un commutateur à deux basculeurs, comme cela sera décrit à propos des figures 5 et 6.In the figures, the circuit 23 includes two support members or means 27 because it is intended to be placed in a switch with two rockers, as will be described with reference to FIGS. 5 and 6.

L'organe de support 28 est également replié pour occuper la position représentée sur la figure 4, c'est-à-dire perpendiculaire à la face supérieure 26 du circuit. Sur cette figure, les pistes 19 et 20 occupent des positions verticales qui ne sont pas les positions définitives.The support member 28 is also folded back to occupy the position shown in FIG. 4, that is to say perpendicular to the upper face 26 of the circuit. In this figure, the tracks 19 and 20 occupy vertical positions which are not the final positions.

Lorsque le circuit 23 est dans la position représentée sur la figure 4, la face inférieure 35 est surmoulée c'est-à-dire recouverte d'une couche d'isolant 36, qui est munie de pattes de fixation 37 pour le commutateur, venues avec ladite couche d'isolant lors du surmoulage, de manière à obtenir un circuit surmoulé tel que représenté sur la figure 4, des passages pour la traversée des languettes de sortie 8 ayant été ménagés lors du surmoulage.When the circuit 23 is in the position shown in Figure 4, the underside 35 is molded, that is to say covered with an insulating layer 36, which is provided with fixing lugs 37 for the switch, come with said insulating layer during overmolding, so as to obtain an overmolded circuit as shown in FIG. 4, passages for the passage of the outlet tongues 8 having been made during overmolding.

Une manière simple de réaliser le surmoulage consiste à déposer le circuit dans un moule, les parties repliables étant disposées verticalement; le surmoulage de la face inférieure du circuit est effectué de telle sorte que la face supérieure dudit circuit soit sensiblement de niveau avec la surface supérieure 38 du surmoulage, ainsi que cela est visible sur la figure 4.A simple way of carrying out overmolding consists in depositing the circuit in a mold, the foldable parts being arranged vertically; the overmolding of the lower face of the circuit is carried out in such a way that the upper face of said circuit is substantially level with the upper surface 38 of the overmolding, as can be seen in FIG. 4.

Une fois que le surmoulage individuel ou en série, lorsqu'il y a plusieurs circuits primaires attachés entre eux, est terminé, alors on procède à la séparation des pistes de chaque circuit primaire, les orifices 39 de la figure 4 matérialisant ladite séparation.Once the individual or serial overmolding, when there are several primary circuits attached to each other, is finished, then the tracks of each primary circuit are separated, the orifices 39 in FIG. 4 materializing said separation.

Ainsi que cela est représenté sur la figure 1, les languettes de sortie 8 sont dans une certaine position déterminée par leur découpe sur le circuit 23. A chaque languette de sortie doit correspondre un conducteur du faisceau de conducteurs 1. Par conducteur, on entend l'ensemble constitué par une gaine isolante dans laquelle est disposé un fil métallique conducteur.As shown in Figure 1, the output tabs 8 are in a certain position determined by their cutout on the circuit 23. Each output tab must correspond to a conductor of the bundle of conductors 1. By conductor is meant the 'assembly consisting of an insulating sheath in which is disposed a conductive metal wire.

Lorsque le réceptacle 11 est fixé sur le circuit, on est en présence d'un ensemble compact, de faible volume et dont les conducteurs ne peuvent ni se déplacer ni interférer les uns avec les autres. De plus, la connexion des conducteurs avec les languettes de sortie est effectuée très facilement et sans risque d'erreur car chaque conducteur est automatiquement associé à la languette de sortie correspondante.When the receptacle 11 is fixed on the circuit, we are in the presence of a compact assembly, of small volume and whose conductors can neither move nor interfere with each other. In addition, the connection of the conductors with the output tabs is carried out very easily and without risk of error because each conductor is automatically associated with the corresponding output tab.

Les circuits 23 avec les faisceaux 1 peuvent être utilisés dans de nombreux équipements, comme par exemple un commutateur pour lève-vitres d'automobiles tel que représenté sur les figures 5 et 6. Dans cet exemple de commutateur, les mécanismes supportés par le circuit sont constitués par deux basculeurs.The circuits 23 with the harnesses 1 can be used in many pieces of equipment, such as for example a switch for automobile window regulators as shown in FIGS. 5 and 6. In this example of a switch, the mechanisms supported by the circuit are constituted by two rockers.

Chaque basculeur 43 est constitué par un cadre 31 qui est supporté par les organes de support 27 , le cadre 31 étant disposé, par un de ses côtés, dans les encoches 33 des parois verticales 29 du support. De manière habituelle, le basculeur comprend un ressort à lame 32 dont une extrémité prend appui sur le fond d'encoches 33a ménagées dans des parois verticales du support 27, et un contact 44 porté par une lame centrale 45 du basculeur. Dans ce mode de réalisation, les pistes latérales 19 et 20 du circuit 23 sont parallèles à la face supérieure 26 dudit circuit, de façon que le contact opposé au contact 44 du basculeur coopère avec le contact supérieur 21 du circuit. Le commutateur comprend, de façon usuelle, une touche de commande 46, un boîtier 47, un piston 48 avec son appui 49 agissant sur la lame centrale 45 du basculeur, une paroi de séparation 50 et une diode électroluminescente 51 montée sur la colonne support 28 qui fait partie intégrante du circuit. Pour une description plus détaillée de commutateur et de son fonctionnement, on se reportera utilement à EP-A-0 515 269.Each rocker 43 is constituted by a frame 31 which is supported by the support members 27, the frame 31 being arranged, by one of its sides, in the notches 33 of the vertical walls 29 of the support. Usually, the rocker comprises a leaf spring 32, one end of which rests on the bottom of notches 33a formed in vertical walls of the support 27, and a contact 44 carried by a central blade 45 of the rocker. In this embodiment, the lateral tracks 19 and 20 of the circuit 23 are parallel to the upper face 26 of the said circuit, so that the contact opposite the contact 44 of the rocker cooperates with the upper contact 21 of the circuit. The switch usually comprises a control key 46, a housing 47, a piston 48 with its support 49 acting on the central blade 45 of the rocker, a partition wall 50 and a light-emitting diode 51 mounted on the support column 28 which is an integral part of the circuit. For a more detailed description of the switch and its operation, reference will usefully be made to EP-A-0 515 269.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrit ci-dessus, mais en couvre au contraire toutes les variantes qui sont accessibles à l'homme de l'art.Of course, the present invention is not limited to the embodiments described above, but on the contrary covers all the variants which are accessible to those skilled in the art.

Claims (20)

  1. A receptacle (11) for the electric conductors of a bunch of which (1) mounted on a side of an electric circuit (27), each electric conductor being associated with an output terminal (8), said receptacle comprising at least one layer of conductors of which the end parts of said conductors to be connected are arranged substantially in a same horizontal plane, the ends (2a-7a) of said conductors (2-7) to be connected emerging out onto at least one of the lateral sides of said receptacle, wherein said receptacle (11) is mounted on the side of the electric circuit (27) between the lateral output terminals (8) of said circuit (27), said conductors (2-7) having different lengths and each having an end (2a-7a) bent at right angles, so that each end is near the output terminal to which it must be connected.
  2. The receptacle as claimed in claim 1, wherein said receptacle (11) is constituted by a duplicate molding in which are housed at least part of said conductors (2-7), with the exception of the bent end parts (2a-7a) which are free to be able to be connected to the connection terminals (8).
  3. The receptacle as claimed in either claim 1 or 2, wherein said receptacle (11) is constituted by a base (15) fitted with separate grooves (17) for housing said conductors (2-7), the length of each groove being equal to the length of the corresponding conductors (2-7).
  4. The receptacle as claimed in claim 3, wherein said base (15) is covered by a lid fitted with grooves similar to those of the base, so as to completely enclose said conductors.
  5. The receptacle as claimed in any one of claims 1 to 4, wherein it further comprises openings (7b) for connection by displacement of insulating between said conductors (2-7) and said ouput terminals (8).
  6. The receptacle as claimed in claim 1, wherein said circuit is a precut primary circuit (23) constituting the mechanism support, said circuit comprising at least two folded parts (19, 20, 27), a first part (19, 20) being fitted with at least one contact (21) area and a second part (27) forming the support for a mobile contact part (43).
  7. The receptacle as claimed in claim 6, wherein said first part (19, 20) is folded in such a way that one portion is substantially parallel to said circuit (23).
  8. The receptacle as claimed in claim 7, wherein said first part (19, 20) is folded along scallopings (24).
  9. The receptacle as claimed in claim 6, wherein said second folded part (27) is comprised of two parallel supporting elements (29) fitted with mechanism mounting means (33, 33a).
  10. The receptacle as claimed in claim 6, wherein said circuit (23) comprises output terminals constituted by output blade terminals (8) disposed in the same horizontal plane of said circuit (23).
  11. The receptacle as claimed in claim 10, wherein said output blade terminals (8) are disposed in planes perpendicular to the plane containing said circuit (23).
  12. The receptacle as claimed in any one of claims 6, 9 or 11, wherein certain of said output blade terminals (8) are disposed in the prolongation of said second folded part (27) and, preferably, between said parallel supporting elements (29).
  13. The receptacle as claimed in either claim 10 or 12, wherein the free ends of said output blade terminals (8) are fork-shaped (10).
  14. The receptacle as claimed in claim 6, wherein said primary circuit further comprises a third folded part (28) forming the support for a component such as an electroluminescent diode (51).
  15. The receptacle as claimed in claim 14, wherein said third part (28) is perpendicular to said plane of said circuit.
  16. The receptacle as claimed in any one of the previous claims, wherein said circuit is duplicate molded on the side receiving the receptacle.
  17. The receptacle as claimed in any one of claims 7 to 17, wherein the fork-shaped ends of said output blade terminals (18) are each provided with at least one sharp edge (19).
  18. The receptacle as claimed in any one of the previous claims, wherein said circuit is an element of a continuous strip comprising several circuits (23) connected by joining pieces.
  19. The receptacle as claimed is any one of the previous claims, wherein it constitutes at least one element of a switch.
  20. The receptacle as claimed in claim 19, wherein it is an element of a switch used as electric window control in automobiles.
EP19930400148 1992-02-21 1993-01-22 Housing for a bundle of electric wires connectable to terminals Expired - Lifetime EP0557143B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9201991 1992-02-21
FR9201991A FR2687855B1 (en) 1992-02-21 1992-02-21 RECEPTACLE FOR A BEAM OF ELECTRICAL CONDUCTORS CONNECTABLE TO CONNECTION TERMINALS.

Publications (2)

Publication Number Publication Date
EP0557143A1 EP0557143A1 (en) 1993-08-25
EP0557143B1 true EP0557143B1 (en) 1996-01-03

Family

ID=9426876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930400148 Expired - Lifetime EP0557143B1 (en) 1992-02-21 1993-01-22 Housing for a bundle of electric wires connectable to terminals

Country Status (5)

Country Link
EP (1) EP0557143B1 (en)
JP (1) JPH0696805A (en)
DE (1) DE69301164T2 (en)
ES (1) ES2084456T4 (en)
FR (1) FR2687855B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807217B1 (en) * 2000-04-03 2004-03-05 Dav ELECTRICAL FUNCTION EXECUTION DEVICE INCLUDING MEANS OF CONNECTION TO A WIRING
GB2415835B (en) * 2004-06-30 2008-05-28 Contactum Ltd Cable connection method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT995986B (en) * 1972-10-26 1975-11-20 Amp Inc ELECTRIC SWITCH
US3865460A (en) * 1973-04-30 1975-02-11 Minnesota Mining & Mfg Component connector
US3882296A (en) * 1973-11-05 1975-05-06 Amp Inc Leaf spring switching means
DE3203651A1 (en) * 1982-02-03 1983-08-18 Maigler, geb. Maigler, Brigitta, 7100 Heilbronn Plug connector and printed-circuit board/cable connector with insulation-piercing terminal contact connections for the connection of cables to a plurality of individual conductors which are mechanically independent of one another
DE8208576U1 (en) * 1982-03-25 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Device for connecting wire or stranded electrical conductors to contact organs
JPS61189522U (en) * 1985-05-17 1986-11-26

Also Published As

Publication number Publication date
DE69301164T2 (en) 1996-06-05
JPH0696805A (en) 1994-04-08
FR2687855B1 (en) 1996-06-28
EP0557143A1 (en) 1993-08-25
ES2084456T4 (en) 1996-06-01
DE69301164D1 (en) 1996-02-15
FR2687855A1 (en) 1993-08-27
ES2084456T3 (en) 1996-05-01

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