EP0554158A1 - Multi-branched shielded connection - Google Patents

Multi-branched shielded connection Download PDF

Info

Publication number
EP0554158A1
EP0554158A1 EP93400180A EP93400180A EP0554158A1 EP 0554158 A1 EP0554158 A1 EP 0554158A1 EP 93400180 A EP93400180 A EP 93400180A EP 93400180 A EP93400180 A EP 93400180A EP 0554158 A1 EP0554158 A1 EP 0554158A1
Authority
EP
European Patent Office
Prior art keywords
branch
shielding
branches
braid
connection according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93400180A
Other languages
German (de)
French (fr)
Other versions
EP0554158B1 (en
Inventor
Pascal Clouet
François Vaille
André Viaud
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.)
Filotex SA
Original Assignee
Filotex SA
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 Filotex SA filed Critical Filotex SA
Publication of EP0554158A1 publication Critical patent/EP0554158A1/en
Application granted granted Critical
Publication of EP0554158B1 publication Critical patent/EP0554158B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/0045Cable-harnesses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces

Definitions

  • the present invention relates to multi-branched armored links, of predetermined configuration, the multiple branches of which serve a plurality of connection points and define one or more branches between them. It relates more particularly to the shielding of these multi-branch links.
  • Such a multi-branch link comprises, in known manner, a bundle made up or not of conductors.
  • the conductors are stranded.
  • the branches are connected according to the pre-established configuration, constituting individual interactive links between the connection points.
  • This overall braiding is often textile, or sometimes metallic. It generally gives good mechanical behavior to the bundle, but cannot directly provide protection high electromagnetic, especially at the branch lines.
  • a first of these techniques consists in starting from initially independent branches and shielded individually by a metallic braiding and in connecting these branches to each other by shielded connection boxes, according to the desired configuration. The bundle is thus formed simultaneously with the shielding of the branch lines, produced by the connection boxes.
  • the bundle formed and shielded obtained by this first technique exhibits excellent electromagnetic performance, due on the one hand to the homogeneity of its initial shielded branches, which are equivalent to as many individual shielded cables, and on the other hand to the low transfer impedance between each branch and the corresponding connection box. It also has generally satisfactory mechanical characteristics. On the other hand, it is heavy and is also expensive, bulky, complex and not very flexible, because of its realization made from shielded cables constituting the branches, which have a number of conductors and a section which can be very different, and from junction boxes, which can be very complex and are very often different from each other.
  • the second technique consists in starting from a bundle made up of conductors, the conductors of which are arranged together to define the different branches at the different branches according to the configuration of the connection, in shielding the branches by metallic braids of shielding executed beforehand and threaded on the temples, and to put on heat-shrink sleeves metallized on the various branches to ensure shielding continuity with the aforementioned braids.
  • the shielded connection according to this second technique has advantages but also disadvantages compared to the previous one. It is lighter, cheaper and less bulky, as well as simpler and more flexible. On the other hand, its electromagnetic performance is poor and often insufficient, as well as its mechanical characteristics, in particular of resistance to vibrations, the latter then reducing the electromagnetic protection ensured accordingly.
  • the poor performance comes in part from the threading of the braids, which deteriorates their geometry and generates relative displacements of the braiding threads, with the creation of gaps or holes between them. These faults prevent intimate contact between the wires of each braid and are accentuated with vibrations, giving rise to movements of the wires between them and on the bundle conductors. These movements are a source of abrasion, degrading the insulation of the conductors.
  • the poor performance also comes from the electrical contacts between the sleeves and the braids, which are often insufficient and / or degraded with the conditions of use of the connection. This is due to the small contact surfaces and the materials of a different nature from the sleeves and the braids, which cause prohibitive transfer impedance levels at the branch lines.
  • the object of the present invention is to avoid the drawbacks of these shielded multibranch links according to these known techniques.
  • a multi-branched armored link comprising a bundle made up of conductors defining the multiple branches and at least one branch between said branches, according to a given preset configuration, braids for shielding said branches and first means of shielding continuity on each branch line, characterized in that said first shielding continuity means on each branch line consist exclusively of openings of the shielding braids successively executed on the different branches concerned of the branch line, each extending over the branch line and at least a part of another of said branches concerned than that carrying the shielding braid to which the blooming considered belongs, and being each covered by the shielding braid of one of said other branches concerned, with the exception of blooming of the last braid performed which is not covered.
  • the shielded multibranch link aimed by the present invention is made up of conductors, with multiple branches and at least one branch, according to a pre-established configuration.
  • a branch 1 of said connection has been illustrated, defined by the bundle of conductors and having three branches 2, 3, 4 starting from this branch.
  • the conductors are stranded on each branch, one of them is designated by the reference 5. They are continuous from one branch to another. They are insulated by a coating insulator. The beam formed is initially naked.
  • the branch 4 is shown with two conductors.
  • the branches 2 and 3 have the same greater number of conductors and are both of the same section.
  • FIGS. 1B and 1C illustrate two preliminary steps, but not essential, for processing the branch line 1. These steps are desirable when the branches have a very different number of conductors and consequently have large difference sections.
  • These preliminary steps consist in making packing braids 6 and 7 on the branch 1 and the adjoining portions of the branches.
  • These packing braids are carried out successively by considering the branches two by two and by making a double filling on the branch with the smallest section. Each packing braid starts from that of the two branches concerned having the larger section.
  • Each has a number of braiding threads and a braiding pitch adapted to the diameter of the portion of branch of small diameter which it covers. As a variant, the braiding pitch is adapted progressively to the diameters of the successive portions covered by the packing braid.
  • the threads of the packing braids can be textile but are preferably metallic.
  • the first packing braid 6 starts from the branch 2, almost completely covers the branch 1 and extends over the adjoining portion of the branch 4.
  • the number of braiding threads and the pitch are adapted to the branch section 4.
  • the good lining of the branch 2 is obtained by reducing the braiding pitch.
  • the braiding pitch is greater on branch 4 than on branch 2.
  • the second packing braid 7 starts from the branch 3 and extends over the branch 4 while practically covering the length of the first packing braid 6 on this branch 4. It is executed in the same way as the first packing braid 6.
  • FIGS. 1D and 1E illustrate the two shielding steps for the three branches 2, 3 and 4 and their branching 1. This shielding is provided exclusively by metallic braids for shielding 8 and 9 of the branches, executed successively in ascending order of branch sections.
  • each shielding braid, such as 8, of one of the branches has at least one opening, such as 8A, 8B, covering the branch line 1 and extending beyond the branch line on an adjoining part of at least one of the other branches.
  • Each shielding braid with the possible exception of the last, is preferably carried out starting from one of the other branches in order to first of all develop this shielding braid.
  • the last shielding braid 9 gives the continuous shielding aspect, in particular on the branch.
  • These shielding braids 8 and 9 are mono or multilayer. One of the multiple layers or each layer presents a blossoming on another branch. The blooming of the different multiple layers can extend over the same other branch or preferably over different other branches.
  • the first shielding braid 8 is executed on the branch 4 of the smallest section. It is in two layers 8 'and 8' 'on the branch 4, which each have a bloom 8A, 8B depending on the layer considered.
  • the opening 8A extends over the branch 2 and the opening 8B of the other layer on the branch 3. The two openings overlap each other on the branch 1.
  • This shielding braid 8 covers in all the parts of the packing braids 6 and 7 on the branch 4; its openings 8A and 8B completely or partially cover the parts of the packing braids 6 and 7 on the branches 2 and 3.
  • the openings and the shielding braid 8 of branch 4 are, like the preceding packing braids, with a number of wires and no braiding adapted to the section of branch 4 covered by this shielding braid 8.
  • Branches 2 and 3 being of significantly larger section than that of branch 4, the execution of this shielding braid 8 is made by starting for each layer by its development on branch 2 or 3, with the number of wires adapted to the section of the branch 4 and with a smaller braiding pitch and adapted to the section of branch 2 or 3 concerned.
  • the last shielding braid 9 is executed continuously on the last two branches 2 and 3 having the largest sections. It covers the openings of the previous braiding (s) and the branch line 1.
  • this last shielding braid 9, for these last two branches 2 and 3 is of different braiding composition and pitch than the previous shielding braids and adapted to the diameter of the branches 2 and 3 that it covers. It and may itself present, if necessary, a development on and beyond any other branch defined on one and / or the other of branches 2 and 3.
  • the succession of shielding operations is carried out systematically on the branches of the same branch and from one branch to the other of the link.
  • all the openings of the shielding braids are completely covered by the following shielding braids, giving with the last shielding braid executed a uniform and continuous appearance to the shielding.
  • This shielding made exclusively by shielding braids gives the shielded link weight, flexibility, size, optimized electromagnetic protection and mechanical resistance. It has a lower remaining cost than that of a shielded connection with junction boxes, according to the known art indicated, and has significantly improved electromagnetic performance compared to that of a shielded connection with metallized retractable sleeves according to the known art. also indicated.
  • FIG. 2 represents one of the abovementioned branches, in this case branch 2, to which a terminal connector 10 is connected.
  • This connector is as such known, but is integrated into branch 2. It is connected to the end of branch 2 before the shielding of the link or at least of this branch 2.
  • It has a body in two parts, one rear 11 and the other front 12 which are assembled to one another by a connecting nut 13.
  • the rear part defines an expansion and distribution chamber of the conductors of the strand defining the branch 2, the excess length of the conductors possibly being cut off. She is at the rear end which forms a rear collar 14 for entry of the conductors into the chamber.
  • the front part 12 comprises a plurality of contacts 15 mounted and retained in an insulating block 16, to which the conductors of branch 2 are connected.
  • the contacts also project from the insulating block in the front face of the connector.
  • a front peripheral nut 17 on this connector ensures its locking on a complementary connector at the connection point of this branch 2.
  • the shielding braid 9 of this branch 2 has an additional development 9C, produced without discontinuity with it, directly on the rear collar 14 of the connector 10 previously connected to the branch 2.
  • This flourishing 9C is subsequently blocked on the collar for a suitable means of fixing, such as a ring 18 or a clamp.
  • This means is for example made of metal with shape memory, retractable by cryogenics or magnetostriction in particular.
  • a flexible metal protective strip 19 can be interposed between it and the opening 9C, on the ends of the wires of the opening 9C, in order to avoid the bites which the ends of these wires can cause.
  • FIG. 3 is a variant given with respect to FIG. 2.
  • the branch 2 is without terminal connector, but is pre-equipped with an expander 20 for the subsequent mounting of the connector after the shielding of the branch 2 and all the link to which this branch belongs.
  • the expander 20 is positioned at the location where the connector will be connected.
  • the shielding braid 9 is then executed, with the expander in place on the strand of conductors of branch 2, during the same braiding operations.
  • a positioner 21 is held substantially at the end of the conductor strand branch 2. It serves as a front stop for the expander then correctly positioned and prevents it from moving forward and unexpectedly withdrawing during braiding operations or subsequently from below the shielding braid.
  • This expander has identical transverse dimensions, as rigorously as possible, to those of the rear end of the connector.
  • the so-called rear end 5A of the expander, the innermost on the branch 2 is profiled by having a rounded or conical shape. It allows an easy and smooth transition of the shielding braid between the expander and the conductor strand, of different transverse dimensions.
  • the expander is made of hard material, which can be metal or plastic.
  • the shielding braid 9 produced in one or more layers overlapping each other, is executed continuously over the length of its terminal part already carrying the expander. It is thus preformed to the transverse dimensions of the expander and thereby to those of the rear end of the connector.
  • the braiding can be carried out with different braiding steps on the expander and on the conductor strand, with a continuous variation at the transition, to allow if necessary and in particular when there is a significant difference in transverse dimensions between them, obtaining high performance protection over the entire length of the branch, including the widener.
  • the shielding braid 9 completely covers the expander, or may cover it only partially. Being preformed to the transverse dimension of the rear end of the connector, it avoids any crushing liable to degrade its characteristics when the connector is installed.
  • the widener 20 also serves as a bearing surface for cutting to the correct length of the shielding braid 9. At the same time it protects the conductors it covers from injuries that this cutting could cause.
  • the section plane of the shielding braid is marked at 22, at a distance from the rear end of the expander substantially equal to the length of the rear connection end of the connector. This cut eliminates the excess braid length and removes the expander to slide the rear end of the connector under the shielding braid without deforming it.
  • This shielding braid 9 advantageously comprises a self-locking loop 24 produced with the execution of the braid.
  • This loop is almost adjacent to the rear end 20A of the expander and extends over the strand of conductors of branch 2, over a few centimeters. It is obtained by a back and forth movement of braiding, during the execution of the different layers or at least of the single final layer, when the shielding braid is multilayer, so as to form a double hem.
  • This loop prevents any sliding of the shielding braid on the conductors and / or its possible multiple layers, one on the other, in particular during the cutting of excess length of the braid and the setting in place and connection of the connector. It directly acts as a ring for fixing the shielding braid to the conductor strand. It is also opposed to the relative displacements of the shielding braid and the strand, with the possible mechanical stresses in vibration under certain conditions of use, avoiding friction and the resulting degradations of the insulators of the conductors.
  • each branch or the branch they define, is shown diagrammatically in solid lines on each axis.
  • Each braid, or each of their layers or each additional element on each branch is in turn schematized in axial half-section by a single line, that is to say without its own thickness. The lines of these half-sections of the different layers of the braids are in turn located on one side or the other of the line defining the branch for a better understanding and greater clarity of these figures.
  • a terminal dash transverse to each braid or each layer has also been translated the starting point of braiding and by an end arrow the direction and the final point of braiding.
  • Figure 4 corresponds to a first alternative embodiment of the shielding when the three branches 2, 3 and 4 of the branch 1 are substantially of the same section. This branch is then without packing braid.
  • the armor braid of branch 4 is in two layers 8 'and 8''have the openings 8A on branch 2 and 8B on the branch 3 extend over the total length of these branches 2 and 3.
  • the last braid of the shield 9 on the branches 2 and 3 is shown in a single layer, which doubles the openings 8A and 8B.
  • Figure 5 corresponds to a second alternative embodiment of the shielding when all the branches have different sections, with the section of the branch 2 significantly less than that of the branch 3 but significantly greater than that of the branch 4.
  • the branching is shown without a packing braid.
  • the absence of lining is compensated by a preliminary shielding layer 28 ′ of the branch of intermediate section 2, having a bloom 28A on the branch 4 of smaller section.
  • Each of the three branches is then treated in ascending order of the sections of these branches and is covered with an individual shielding braid.
  • Each plait is made in two layers 8 'and 8' 'on branch 4 with openings 8A and 8B on branches 2 and 3, in an additional layer 28' 'on branch 2, which doubles layer 28' mentioned above and has a terminal bloom 28B on branch 3, and first a layer 38 on branch 3 with a bloom 38A at the start on branch 2.
  • the last shielding braid 9 is essentially assigned to the additional shielding of the last branch treated 3. It is performed continuously on branches 2 and 3 having the largest sections.
  • FIG. 6 is a variant given with respect to FIGS. 1B and 1C, as regards the production of the lining of the branch line 1.
  • This lining is produced in a single braiding operation on the three branches, for which the single braid of resulting lining is equivalent to the above two 6 and 7 and designated under these two references. It is carried out from branch 2 to branch 4, with a round trip on this branch 4 to end on branch 3.
  • FIG. 7 is a variant given with respect to FIG. 1E, with regard to the execution of the shielding braids of each of the branches, independently of the presence or not of braids for lining the branch 1.
  • Each of the braids shielding is in a single layer on the branch concerned.
  • the shielding braid 8 of the branch 4 of smaller section is the first made and has a bloom 8A on the next branch 2 to be treated.
  • the shielding braid 9 'of branch 2 has a bloom 9A on branch 3.
  • the shielding braid 9' 'of branch 3 has a particular starting bloom 9D on branch 4 of smaller section.
  • the two shielding braids 9 ′ and 9 ′′ are equivalent to the final continuous braid 9 in FIG. 1E thanks to the presence of the particular bloom 9D.
  • the particular opening flourishing 9D is executed with a limited movement to go on the branch 4 from the branch 1 substantially, then a movement back to the branch 1 and beyond for the execution, directly following, 9 '' shield braid. It forms a hem on the branch 2 of self-locking braids 9 'and 9' 'as well as braid 8.
  • FIG. 8 illustrates a connection having, in addition to the aforementioned branch 1 with its three branches 2, 3 and 4, the shielding of which is produced in accordance with FIG. 7, another branch 40 on branch 3 from which two new branches leave 41 and 42 and a new branch 50 on branch 42 from which two other new branches 51 and 52 leave.
  • the armor mode of the branches of each branch is then transferred step by step along the link.
  • This shielding braid 9 '' stopped at the branch 40.
  • This shielding braid may alternatively have a final development then extending over the foot of the branch 41 of smaller section that the branch 42.
  • the branch 41 is covered with its shielding braid in a single layer 43 having a starting bloom 43A on the branch 42.
  • the latter branch 42 is itself covered with its shielding braid in a single layer 44, having a starting bloom in hem 44D executed on either side of the branch 40 on the branches 42 and 3.
  • This shielding braid 44 has another terminal bloom 44A beyond the branch 50, here on the branch 51.
  • the shielding braids 53 and 54 of the branches 51 and 52 are executed as previously, with a starting bloom in hem 54D of the last shielding braid 54 for processing the branches of the branch 50.
  • FIG. 9 shows a variant with regard to additional processing carried out at the level of the stopping or the departure of the shielding braids. This variant is given with reference to FIG. 8 and the branch 40 in this FIG. 8, but this additional treatment is applicable to any end of any one of the shielding braids which is subsequently covered by another shielding braid and in particular by the last shielding braid of the branches of the same branch.
  • This additional treatment consists in surrounding with a metal strip 45 the end of the shielding braid 9 '' stopped just below the branch 40 and a metal strip 46 on the end of the opening 43A of the shielding braid 43.
  • the latter strip 46 also preferably covers the starting end of the opening 44D when the latter forms a hem.
  • the metal strips are advantageously adhesive for good hold in place on the ends of the braids concerned.

Abstract

The multi-branched shielded connection, having at least one branch-off, has shielding braids on its various branches. It is characterised in that it includes shielding continuity means on each branch, these means being exclusively constituted by break-outs from the individual shielding braids of the various branches, each extending over this branch-off and beyond over another branch and being covered with the shielding braid of this other branch. <IMAGE>

Description

La présente invention porte sur les liaisons blindées multibranches, de configuration préétablie, dont les branches multiples desservent une pluralité de points de raccordement et définissent un ou plusieurs embranchements entre elles. Elle porte plus particulièrement sur le blindage de ces liaisons multibranches.The present invention relates to multi-branched armored links, of predetermined configuration, the multiple branches of which serve a plurality of connection points and define one or more branches between them. It relates more particularly to the shielding of these multi-branch links.

Une telle liaison multibranches comporte de manière connue un faisceau constitué ou non de conducteurs. Les conducteurs sont toronnés. Les branches sont reliées selon la configuration préétablie, en constituant des liaisons individuelles interactives entre les points de raccordement.Such a multi-branch link comprises, in known manner, a bundle made up or not of conductors. The conductors are stranded. The branches are connected according to the pre-established configuration, constituting individual interactive links between the connection points.

Les applications possibles de telles liaisons sont variées. Elles sont notamment utilisées sur des engins terrestres, aériens ou maritimes, pour des alimentations d'équipements et appareils sur ces engins et la transmission de signaux d'information entre tous ou certains de ces équipements et appareils. Ces liaisons exigent dans un bon nombre d'applications d'avoir une protection haute performance contre les perturbations électromagnétiques, en plus d'une résistance élevée aux chocs, vibrations, agressions thermiques et/ou chimiques, notamment.The possible applications of such links are varied. They are used in particular on land, air or sea vehicles, for powering equipment and devices on these vehicles and for transmitting information signals between all or some of these equipment and devices. These connections require in a good number of applications to have a high performance protection against electromagnetic disturbances, in addition to a high resistance to shocks, vibrations, thermal and / or chemical attacks, in particular.

Indépendamment du problème de protection électromagnétique haute performance, il est connu de réaliser un tressage sur un faisceau constitué de conducteurs, pour assurer principalement la cohérence ou tenue d'ensemble de ses conducteurs. Ce tressage laisse le faisceau constitué relativement maniable pour faciliter sa pose et son insertion jusqu'aux différents points de raccordement de ses branches dans l'engin auquel il est destiné.Independently of the problem of high performance electromagnetic protection, it is known to make a braiding on a bundle made up of conductors, to mainly ensure the coherence or overall behavior of its conductors. This braiding leaves the bundle constituted relatively handy to facilitate its installation and its insertion up to the various connection points of its branches in the machine for which it is intended.

Ce tressage de tenue d'ensemble est souvent textile, ou parfois métallique. Il donne en général un bon comportement mécanique au faisceau constitué, mais ne peut pas tel quel assurer directement une protection électromagnétique élevée, en particulier au niveau des embranchements.This overall braiding is often textile, or sometimes metallic. It generally gives good mechanical behavior to the bundle, but cannot directly provide protection high electromagnetic, especially at the branch lines.

Pour l'obtention d'une protection électromagnétique élevée de la liaison, deux techniques sont utilisées jusqu'à présent pour résoudre les problèmes de protection au niveau des embranchements.To obtain high electromagnetic protection of the link, two techniques have been used until now to solve the protection problems at the branching level.

Une première de ces techniques consiste à partir de branches initialement indépendantes et blindées individuellement par un tressage métallique et à raccorder ces branches les unes aux autres par des boîtes blindées de raccordement, selon la configuration souhaitée. Le faisceau est ainsi constitué simultanément avec le blindage des embranchements, réalisé par les boîtes de raccordement.A first of these techniques consists in starting from initially independent branches and shielded individually by a metallic braiding and in connecting these branches to each other by shielded connection boxes, according to the desired configuration. The bundle is thus formed simultaneously with the shielding of the branch lines, produced by the connection boxes.

Le faisceau constitué et blindé obtenu par cette première technique présente d'excellentes performances électromagnétiques, du fait d'une part de l'homogénéité de ses branches blindées initiales, qui sont équivalentes à autant de câbles individuels blindés, et d'autre part de la faible impédance de transfert entre chaque branche et la boîte de raccordement correspondante. Il présente aussi des caractéristiques mécaniques en général satisfaisantes. Par contre, il est lourd et est en outre cher, encombrant, complexe et peu souple, du fait de sa réalisation faite à partir des câbles blindés constituant les branches, qui sont à nombre de conducteurs et section pouvant être très différents, et à partir des boîtes de raccordement, qui peuvent être très complexes et sont très souvent différentes les unes des autres.The bundle formed and shielded obtained by this first technique exhibits excellent electromagnetic performance, due on the one hand to the homogeneity of its initial shielded branches, which are equivalent to as many individual shielded cables, and on the other hand to the low transfer impedance between each branch and the corresponding connection box. It also has generally satisfactory mechanical characteristics. On the other hand, it is heavy and is also expensive, bulky, complex and not very flexible, because of its realization made from shielded cables constituting the branches, which have a number of conductors and a section which can be very different, and from junction boxes, which can be very complex and are very often different from each other.

La deuxième technique consiste à partir d'un faisceau constitué de conducteurs, dont les conducteurs sont agencés entre eux pour définir les différentes branches aux différents embranchements selon la configuration de la liaison, à blinder les branches par des tresses métalliques de blindage exécutées préalablement et enfilées sur les branches, et à enfiler des manchons thermorétractables métallisés sur les différents embranchements pour assurer la continuité de blindage avec les tresses précitées.The second technique consists in starting from a bundle made up of conductors, the conductors of which are arranged together to define the different branches at the different branches according to the configuration of the connection, in shielding the branches by metallic braids of shielding executed beforehand and threaded on the temples, and to put on heat-shrink sleeves metallized on the various branches to ensure shielding continuity with the aforementioned braids.

La liaison blindée selon cette deuxième technique a des avantages mais également des inconvénients par rapport à la précédente. Elle est plus légère, moins chère et moins encombrante, ainsi que plus simple et plus souple. Ses performances électromagnétiques sont par contre médiocres et souvent insuffisantes, ainsi que ses caractéristiques mécaniques, en particulier de résistance aux vibrations, ces dernières réduisant alors en conséquence la protection électromagnétique assurée.The shielded connection according to this second technique has advantages but also disadvantages compared to the previous one. It is lighter, cheaper and less bulky, as well as simpler and more flexible. On the other hand, its electromagnetic performance is poor and often insufficient, as well as its mechanical characteristics, in particular of resistance to vibrations, the latter then reducing the electromagnetic protection ensured accordingly.

La médiocrité de ces performances provient en partie de l'enfilage des tresses, qui détériore leur géométrie et génère des déplacements relatifs des fils de tressage, avec la création d'interstices ou trous entre eux. Ces défauts empêchent le contact intime entre les fils de chaque tresse et sont accentués avec les vibrations en donnant lieu à des déplacements des fils entre eux et sur les conducteurs du faisceau. Ces déplacements sont source d'abrasion, dégradant l'isolant des conducteurs.The poor performance comes in part from the threading of the braids, which deteriorates their geometry and generates relative displacements of the braiding threads, with the creation of gaps or holes between them. These faults prevent intimate contact between the wires of each braid and are accentuated with vibrations, giving rise to movements of the wires between them and on the bundle conductors. These movements are a source of abrasion, degrading the insulation of the conductors.

La médiocrité de ces performances provient aussi des contacts électriques entre les manchons et les tresses, qui sont souvent insuffisants et/ou dégradés avec les conditions d'utilisation de la liaison. Ceci est dû aux faibles surfaces de contact et aux matériaux de nature différente des manchons et des tresses, qui entraînent des niveaux d'impédance de transfert prohibitifs au niveau des embranchements.The poor performance also comes from the electrical contacts between the sleeves and the braids, which are often insufficient and / or degraded with the conditions of use of the connection. This is due to the small contact surfaces and the materials of a different nature from the sleeves and the braids, which cause prohibitive transfer impedance levels at the branch lines.

En outre, indépendamment du blindage électromagnétique du faisceau de conducteurs et de la continuité de blindage sur les embranchements, ces deux techniques imposent le raccordement ultérieur des connecteurs terminaux de la liaison, en bout des différentes branches, et une protection électromagnétique de l'extrémité arrière de raccordement de ces connecteurs. Le montage et la protection électromagnétique de ces connecteurs entraînent une trituration des tresses de blingage des branches, qui sont enfilées et ensuite bloquées sur leur extrémité arrière. Cette trituration dégrade de manière irrémédiable la géométrie de la tresse, sur le connecteur et la partie terminale de la branche concernée, et ne permet pas d'obtenir une continuité de blindage satisfaisante entre les connecteurs et le faisceau de conducteurs, au moins pour certaines applications de ces liaisons.In addition, independently of the electromagnetic shielding of the conductor bundle and the shielding continuity on the branch lines, these two techniques require the subsequent connection of the terminal connectors of the link, at the end of the different branches, and electromagnetic protection of the rear end. connecting these connectors. The assembly and the electromagnetic protection of these connectors cause a trituration of the armor plaits of the branches, which are threaded and then blocked on their rear end. This crushing irreparably degrades the geometry of the braid on the connector and the terminal part of the branch concerned, and does not make it possible to obtain satisfactory shielding continuity between the connectors and the bundle of conductors, at least for certain applications. of these bonds.

La présente invention a pour but d'éviter les inconvénients de ces liaisons multibranches blindées selon ces techniques connues.The object of the present invention is to avoid the drawbacks of these shielded multibranch links according to these known techniques.

Elle a pour objet une liaison blindée multibranches, comportant un faisceau constitué de conducteurs définissant les branches multiples et au moins un embranchement entre lesdites branches, selon une configuration préétablie donnée, des tresses de blindage desdites branches et des premiers moyens de continuité de blindage sur chaque embranchement, caractérisée en ce que lesdits premiers moyens de continuité de blindage sur chaque embranchement sont constitués exclusivement par des épanouissements des tresses de blindage exécutées successivement sur les différentes branches concernées de l'embranchement, s'étendant chacun sur l'embranchement et sur au moins une partie d'une autre desdites branches concernées que celle portant la tresse de blindage à laquelle appartient l'épanouissement considéré, et étant recouverts chacun par la tresse de blindage de l'une desdites autres branches concernées, à l'exception de l'épanouissement de la dernière tresse exécutée qui est non recouvert.It relates to a multi-branched armored link, comprising a bundle made up of conductors defining the multiple branches and at least one branch between said branches, according to a given preset configuration, braids for shielding said branches and first means of shielding continuity on each branch line, characterized in that said first shielding continuity means on each branch line consist exclusively of openings of the shielding braids successively executed on the different branches concerned of the branch line, each extending over the branch line and at least a part of another of said branches concerned than that carrying the shielding braid to which the blooming considered belongs, and being each covered by the shielding braid of one of said other branches concerned, with the exception of blooming of the last braid performed which is not covered.

La liaison selon la présente invention a, en outre, au moins l'une des caractéristiques additionnelles suivantes:

  • la dernière tresse de blindage exécutée à chaque embranchement est continue sur deux des branches de l'embranchement et constitue la tresse de blindage de l'une de ces deux branches, dont l'épanouissement recouvre la longueur totale de l'autre de ces deux branches,
  • la dernière tresse de blindage exécutée à chaque embranchement comporte un épanouissement de départ formant un ourlet double d'auto-blocage pour elle-même et les parties sous-jacentes des tresses de blindage exécutées avant elle,
  • chaque tresse de blindage et chaque épanouissement de la tresse de blindage considérée sont à nombre de fils et à pas de tressage adaptés à la section de la branche que recouvre la tresse de blindage considérée, ou sont à nombre de fils ainsi adapté et à pas de tressage de la tresse de blindage adapté à la section de la branche que recouvre cette tresse et à pas de tressage de l'épanouissement adapté à la section de l'autre branche que recouvre au moins en partie cet épanouissement,
  • les branches sont à connecteurs terminaux intégrés dont l'extrémité raccordée à la branche est recouverte par la tresse de blindage de cette branche, directement préformée sur ce connecteur,
  • les branches non raccordées à un connecteur terminal sont équipées d'un élargisseur positionné à la place du connecteur et recouvert par la tresse de blindage de la branche, directement préformée aux dimensions de l'élargisseur sur celui-ci.
The connection according to the present invention has, in addition, at least one of the following additional characteristics:
  • the last shielding braid executed at each branch is continuous on two of the branches of the branch and constitutes the shielding braid of one of these two branches, the development of which covers the total length of the other of these two branches ,
  • the last shielding braid executed at each branching includes a starting bloom forming a double self-locking hem for itself and the underlying parts of the shielding braids executed before it,
  • each shielding braid and each blooming of the shielding braid considered have a number of wires and a braiding pitch adapted to the section of the branch covered by the shielding braid considered, or have a number of wires thus adapted and with a pitch of braiding of the shielding braid adapted to the section of the branch covered by this braid and with no braiding of the blooming adapted to the section of the other branch which at least partially covers this blooming,
  • the branches are with integrated terminal connectors whose end connected to the branch is covered by the shielding braid of this branch, directly preformed on this connector,
  • the branches not connected to a terminal connector are equipped with an expander positioned in place of the connector and covered by the shielding braid of the branch, directly preformed to the dimensions of the expander thereon.

Les caractéristiques et avantages de la présente invention ressortiront de la description faite ci-après d'exemples de réalisation illustrés dans les dessins ci-annexés. Dans ces dessins:

  • les figures 1A, 1B, 1C, 1D et 1E illustrent des étapes de réalisation d'une continuité de blindage électromagnétique sur une liaison multibranches à au moins un embranchement, selon la présente invention,
  • la figure 2 représente en coupe partielle l'une des branches de la liaison blindée selon les figures 1, équipée d'un connecteur terminal intégré à ladite liaison,
  • la figure 3 est une vue schématique d'une variante donnée par rapport à la figure 2, à branche de la liaison prééquipée pour le montage ultérieur du connecteur précité,
  • les figures 4 à 9 sont des vues très schématiques correspondant à des variantes données par rapport aux figures 1A à 1E.
The characteristics and advantages of the present invention will emerge from the description given below of exemplary embodiments illustrated in the attached drawings. In these drawings:
  • FIGS. 1A, 1B, 1C, 1D and 1E illustrate steps for producing an electromagnetic shielding continuity on a multi-branch link with at least one branch, according to the present invention,
  • FIG. 2 represents in partial section one of the branches of the shielded connection according to FIGS. 1, equipped with a terminal connector integrated into said connection,
  • Figure 3 is a schematic view of a variant given with respect to Figure 2, branch of the link pre-equipped for subsequent mounting of the above connector,
  • Figures 4 to 9 are very schematic views corresponding to variants given with respect to Figures 1A to 1E.

La liaison blindée multibranches visée par la présente invention est à faisceau constitué de conducteurs, à branches multiples et au moins un embranchement, selon une configuration préétablie.The shielded multibranch link aimed by the present invention is made up of conductors, with multiple branches and at least one branch, according to a pre-established configuration.

Dans la figure 1A, on a illustré un embranchement 1 de ladite liaison, défini par le faisceau de conducteurs et présentant trois branches 2, 3, 4 partant de cet embranchement. Les conducteurs sont toronnés sur chaque branche, l'un d'eux est désigné sous la référence 5. Ils sont continus d'une branche à une autre. Ils sont isolés par un isolant de revêtement. Le faisceau constitué est initialement nu.In FIG. 1A, a branch 1 of said connection has been illustrated, defined by the bundle of conductors and having three branches 2, 3, 4 starting from this branch. The conductors are stranded on each branch, one of them is designated by the reference 5. They are continuous from one branch to another. They are insulated by a coating insulator. The beam formed is initially naked.

Dans cette figure 1A, la branche 4 est montrée à deux conducteurs. Les branches 2 et 3 ont un même nombre plus important de conducteurs et sont toutes les deux de même section.In this FIG. 1A, the branch 4 is shown with two conductors. The branches 2 and 3 have the same greater number of conductors and are both of the same section.

Les figures 1B et 1C illustrent deux étapes préliminaires, mais non indispensables, de traitement de l'embranchement 1. Ces étapes sont souhaitables lorsque les branches sont à nombre très différent de conducteurs et présentent en conséquence des sections à forte différence. Ces étapes préliminaires consistent à réaliser des tresses de garnissage 6 et 7 sur l'embranchement 1 et les portions attenantes des branches. Ces tresses de garnissage sont exécutées successivement en considérant les branches deux à deux et en réalisant un garnissage double sur la branche de section la plus faible. Chaque tresse de garnissage part de celle des deux branches concernées ayant la section la plus forte. Chacune est à nombre de fils de tressage et à pas de tressage adaptés au diamètre de la portion de branche de faible diamètre qu'elle recouvre. En variante le pas de tressage est adapté au fur et à mesure aux diamètres des portions successives que recouvre la tresse de garnissage. Les fils des tresses de garnissage peuvent être textiles mais sont de préférence métalliques.FIGS. 1B and 1C illustrate two preliminary steps, but not essential, for processing the branch line 1. These steps are desirable when the branches have a very different number of conductors and consequently have large difference sections. These preliminary steps consist in making packing braids 6 and 7 on the branch 1 and the adjoining portions of the branches. These packing braids are carried out successively by considering the branches two by two and by making a double filling on the branch with the smallest section. Each packing braid starts from that of the two branches concerned having the larger section. Each has a number of braiding threads and a braiding pitch adapted to the diameter of the portion of branch of small diameter which it covers. As a variant, the braiding pitch is adapted progressively to the diameters of the successive portions covered by the packing braid. The threads of the packing braids can be textile but are preferably metallic.

Ainsi, dans la figure 1B, la première tresse de garnissage 6 part de la branche 2, recouvre quasi totalement l'embranchement 1 et s'étend sur la portion attenante de la branche 4. Le nombre de fils de tressage et le pas sont adaptés à la section de la branche 4. Avantageusement, le bon garnissage de la branche 2 est obtenu par réduction du pas de tressage. Le pas de tressage est plus grand sur la branche 4 que sur la branche 2.Thus, in FIG. 1B, the first packing braid 6 starts from the branch 2, almost completely covers the branch 1 and extends over the adjoining portion of the branch 4. The number of braiding threads and the pitch are adapted to the branch section 4. Advantageously, the good lining of the branch 2 is obtained by reducing the braiding pitch. The braiding pitch is greater on branch 4 than on branch 2.

Dans la figure 1C, la deuxième tresse de garnissage 7 part de la branche 3 et s'étend sur la branche 4 en recouvrant pratiquement la longueur de première tresse de garnissage 6 sur cette branche 4. Elle est exécutée de la même manière que la première tresse de garnissage 6.In FIG. 1C, the second packing braid 7 starts from the branch 3 and extends over the branch 4 while practically covering the length of the first packing braid 6 on this branch 4. It is executed in the same way as the first packing braid 6.

Les figures 1D et 1E illustrent les deux étapes de blindage pour les trois branches 2, 3 et 4 et leur embranchement 1. Ce blindage est assuré exclusivement par des tresses métalliques de blindage 8 et 9 des branches, exécutées successivement selon l'ordre croissant des sections des branches.FIGS. 1D and 1E illustrate the two shielding steps for the three branches 2, 3 and 4 and their branching 1. This shielding is provided exclusively by metallic braids for shielding 8 and 9 of the branches, executed successively in ascending order of branch sections.

Pour le blindage de l'embranchement, chaque tresse de blindage, telle que 8, de l'une des branches présente au moins un épanouissement, tel que 8A, 8B, recouvrant l'embranchement 1 et s'étendant au delà de l'embranchement sur une partie attenante d'au moins l'une des autres branches.For the shielding of the branch line, each shielding braid, such as 8, of one of the branches has at least one opening, such as 8A, 8B, covering the branch line 1 and extending beyond the branch line on an adjoining part of at least one of the other branches.

Chaque tresse de blindage, exception faite éventuellement de la dernière, est exécutée en partant de préférence de l'une des autres branches pour réaliser tout d'abord l'épanouissement de cette tresse de blindage. La dernière tresse de blindage 9 donne quant à elle l'aspect continu de blindage, en particulier sur l'embranchement.Each shielding braid, with the possible exception of the last, is preferably carried out starting from one of the other branches in order to first of all develop this shielding braid. The last shielding braid 9 gives the continuous shielding aspect, in particular on the branch.

Ces tresses de blindage 8 et 9 sont mono ou multicouches. L'une des couches multiples ou chaque couche présente un épanouissement sur une autre branche. Les épanouissements des différentes couches multiples peuvent s'étendre sur une même autre branche ou de préférence sur différentes autres branches.These shielding braids 8 and 9 are mono or multilayer. One of the multiple layers or each layer presents a blossoming on another branch. The blooming of the different multiple layers can extend over the same other branch or preferably over different other branches.

Dans la figure 1D, la première tresse de blindage 8 est exécutée sur la branche 4 de section la plus faible. Elle est en deux couches 8' et 8'' sur la branche 4, qui ont chacune un épanouissement 8A, 8B selon la couche considérée. L'épanouissement 8A s'étend sur la branche 2 et l'épanouissement 8B de l'autre couche sur la branche 3. Les deux épanouissements se recouvrent l'un l'autre sur l'embranchement 1. Cette tresse de blindage 8 recouvre en totalité les parties des tresses de garnissage 6 et 7 sur la branche 4; ses épanouissements 8A et 8B recouvrent en totalité ou partiellement les parties des tresses de garnissage 6 et 7 sur les branches 2 et 3.In FIG. 1D, the first shielding braid 8 is executed on the branch 4 of the smallest section. It is in two layers 8 'and 8' 'on the branch 4, which each have a bloom 8A, 8B depending on the layer considered. The opening 8A extends over the branch 2 and the opening 8B of the other layer on the branch 3. The two openings overlap each other on the branch 1. This shielding braid 8 covers in all the parts of the packing braids 6 and 7 on the branch 4; its openings 8A and 8B completely or partially cover the parts of the packing braids 6 and 7 on the branches 2 and 3.

Les épanouissements et la tresse de blindage 8 de la branche 4 sont, comme les tresses de garnissage précédentes, à nombre de fils et pas de tressage adaptés à la section de la branche 4 que recouvre cette tresse de blindage 8. Les branches 2 et 3 étant de section nettement plus forte que celle de la branche 4, l'exécution de cette tresse de blindage 8 est faite en commençant pour chaque couche par son épanouissement sur la branche 2 ou 3, avec le nombre de fils adapté à la section de la branche 4 et avec un pas de tressage plus petit et adapté à la section de la branche 2 ou 3 concernée.The openings and the shielding braid 8 of branch 4 are, like the preceding packing braids, with a number of wires and no braiding adapted to the section of branch 4 covered by this shielding braid 8. Branches 2 and 3 being of significantly larger section than that of branch 4, the execution of this shielding braid 8 is made by starting for each layer by its development on branch 2 or 3, with the number of wires adapted to the section of the branch 4 and with a smaller braiding pitch and adapted to the section of branch 2 or 3 concerned.

Dans la figure 1E, la dernière tresse de blindage 9 est exécutée en continu sur les deux dernières branches 2 et 3 ayant les plus fortes sections. Elle recouvre les épanouissements de la ou des tresses de blindage précédentes et l'embranchement 1.In FIG. 1E, the last shielding braid 9 is executed continuously on the last two branches 2 and 3 having the largest sections. It covers the openings of the previous braiding (s) and the branch line 1.

On note que cette dernière tresse de blindage 9, pour ces deux dernières branches 2 et 3, est de composition et de pas de tressage différents des tresses de blindage précédentes et adaptés au diamètre des branches 2 et 3 qu'elle recouvre. Elle et peut elle-même présenter le cas échéant un épanouissement sur et au delà d'un éventuel autre embranchement défini sur l'une et/ou l'autre des branches 2 et 3.It is noted that this last shielding braid 9, for these last two branches 2 and 3, is of different braiding composition and pitch than the previous shielding braids and adapted to the diameter of the branches 2 and 3 that it covers. It and may itself present, if necessary, a development on and beyond any other branch defined on one and / or the other of branches 2 and 3.

La succession des opérations de blindage est menée de manière systématique sur les branches d'un même embranchement et d'un embranchement à l'autre de la liaison. Ainsi au niveau de chaque embranchement, tous les épanouissements des tresses de blindage sont intégralement recouverts par les tresses de blindage suivantes, en donnant avec la dernière tresse de blindage exécutée un aspect uniforme et continu au blindage.The succession of shielding operations is carried out systematically on the branches of the same branch and from one branch to the other of the link. Thus at each branch line, all the openings of the shielding braids are completely covered by the following shielding braids, giving with the last shielding braid executed a uniform and continuous appearance to the shielding.

Ce blindage réalisé exclusivement par les tresses de blindage donne à la liaison blindée un poids, une souplesse, un encombrement, une protection électromagnétique et une résistance mécanique optimisés. Il est de coût restant inférieur à celui d'une liaison blindée à boîtes de raccordement, selon l'art connu indiqué, et est de performances électromagnétiques nettement améliorées par rapport à celles d'une liaison blindée à manchons rétractables métallisés selon l'art connu également indiqué.This shielding made exclusively by shielding braids gives the shielded link weight, flexibility, size, optimized electromagnetic protection and mechanical resistance. It has a lower remaining cost than that of a shielded connection with junction boxes, according to the known art indicated, and has significantly improved electromagnetic performance compared to that of a shielded connection with metallized retractable sleeves according to the known art. also indicated.

La figure 2 représente l'une des branches précitées, dans ce cas la branche 2, à laquelle est raccordé un connecteur terminal 10.FIG. 2 represents one of the abovementioned branches, in this case branch 2, to which a terminal connector 10 is connected.

Ce connecteur est en tant que tel connu, mais est intégré à la branche 2. Il est raccordé à l'extrémité de la branche 2 avant le blindage de la liaison ou tout au moins de cette branche 2.This connector is as such known, but is integrated into branch 2. It is connected to the end of branch 2 before the shielding of the link or at least of this branch 2.

Il est à corps en deux parties, l'une arrière 11 et l'autre avant 12 qui sont assemblées l'une à l'autre par un écrou de liaison 13.It has a body in two parts, one rear 11 and the other front 12 which are assembled to one another by a connecting nut 13.

La partie arrière définit une chambre d'expansion et de répartition des conducteurs du toron définissant la branche 2, l'excès de longueur des conducteurs étant éventuellement sectionné. Elle est à l'extrémité arrière qui forme un collet arrière 14 d'entrée des conducteurs dans la chambre.The rear part defines an expansion and distribution chamber of the conductors of the strand defining the branch 2, the excess length of the conductors possibly being cut off. She is at the rear end which forms a rear collar 14 for entry of the conductors into the chamber.

La partie avant 12 comporte une pluralité de contacts 15 montés et retenus dans un bloc isolant 16, auxquels sont raccordés les conducteurs de la branche 2. Les contacts sont par ailleurs saillants sur le bloc isolant dans la face avant du connecteur. Un écrou périphérique avant 17 sur ce connecteur assure son verrouillage sur un connecteur complémentaire au point de raccordement de cette branche 2.The front part 12 comprises a plurality of contacts 15 mounted and retained in an insulating block 16, to which the conductors of branch 2 are connected. The contacts also project from the insulating block in the front face of the connector. A front peripheral nut 17 on this connector ensures its locking on a complementary connector at the connection point of this branch 2.

La tresse de blindage 9 de cette branche 2 présente un épanouissement supplémentaire 9C, réalisé sans discontinuité avec elle, directement sur le collet arrière 14 du connecteur 10 précédemment raccordé à la branche 2.The shielding braid 9 of this branch 2 has an additional development 9C, produced without discontinuity with it, directly on the rear collar 14 of the connector 10 previously connected to the branch 2.

Cet épanouissement 9C est bloqué ultérieurement sur le collet pour un moyen convenable de fixation, tel qu'une bague 18 ou un collier de serrage. Ce moyen est par exemple en métal à mémoire de forme, rétractable par cryogénie ou magnétostriction notamment. Un feuillard métallique souple de protection 19 peut être intercalé entre lui et l'épanouissement 9C, sur les extrémités des fils de l'épanouissement 9C, pour éviter les piqures que peuvent occasionner les extrémités de ces fils.This flourishing 9C is subsequently blocked on the collar for a suitable means of fixing, such as a ring 18 or a clamp. This means is for example made of metal with shape memory, retractable by cryogenics or magnetostriction in particular. A flexible metal protective strip 19 can be interposed between it and the opening 9C, on the ends of the wires of the opening 9C, in order to avoid the bites which the ends of these wires can cause.

La figure 3 est une variante donnée par rapport à la figure 2. Dans cette variante la branche 2 est sans connecteur terminal, mais est prééquipée d'un élargisseur 20 pour le montage ultérieur du connecteur après le blindage de la branche 2 et de toute la liaison à laquelle appartient cette branche.FIG. 3 is a variant given with respect to FIG. 2. In this variant, the branch 2 is without terminal connector, but is pre-equipped with an expander 20 for the subsequent mounting of the connector after the shielding of the branch 2 and all the link to which this branch belongs.

L'élargisseur 20 est positionné à l'emplacement où viendra se raccorder le connecteur. La tresse de blindage 9 est alors exécutée, avec l'élargisseur en place sur le toron de conducteurs de la branche 2, au cours des mêmes opérations de tressage.The expander 20 is positioned at the location where the connector will be connected. The shielding braid 9 is then executed, with the expander in place on the strand of conductors of branch 2, during the same braiding operations.

Avantageusement un positionneur 21 est maintenu sensiblement en bout du toron de conducteur la branche 2. Il sert de butée avant à l'élargisseur alors correctement positionné et évite le déplacement vers l'avant et le retrait inopiné de celui-ci au cours des opérations de tressage ou ultérieurement du dessous de la tresse de blindage.Advantageously, a positioner 21 is held substantially at the end of the conductor strand branch 2. It serves as a front stop for the expander then correctly positioned and prevents it from moving forward and unexpectedly withdrawing during braiding operations or subsequently from below the shielding braid.

Cet élargisseur est de dimensions transversales identiques, aussi rigoureusement que possible, à celles de l'extrémité arrière du connecteur. L'extrémité dite arrière 5A de l'élargisseur, la plus intérieure sur la branche 2, est profilée en ayant une forme arrondie ou conique. Elle permet une transition aisée et douce de la tresse de blindage entre l'élargisseur et le toron de conducteurs, de dimensions transversales différentes.This expander has identical transverse dimensions, as rigorously as possible, to those of the rear end of the connector. The so-called rear end 5A of the expander, the innermost on the branch 2, is profiled by having a rounded or conical shape. It allows an easy and smooth transition of the shielding braid between the expander and the conductor strand, of different transverse dimensions.

L'élargisseur est en matériau dur, pouvant être en métal ou en plastique.The expander is made of hard material, which can be metal or plastic.

Il peut être réutilisé de nombreuses fois, en particulier lorsqu'il est de forme complexe et alors de coût relativement élevé.It can be reused many times, especially when it is complex in shape and then relatively expensive.

La tresse de blindage 9, réalisée en une ou plusieurs couches se recouvrant les unes des autres, est exécutée en continu sur la longueur de sa partie terminale portant déjà l'élargisseur. Elle est ainsi préformée aux dimensions transversales de l'élargisseur et par là à celles de l'extrémité arrière du connecteur. Le tressage peut être exécuté avec des pas de tressage différents sur l'élargisseur et sur le toron de conducteurs, avec une variation continue à la transition, pour permettre le cas échéant et en particulier lors d'une différence importante de dimensions transversales entre eux, l'obtention d'une protection haute performance sur toute la longueur de la branche, y compris sur l'élargisseur.The shielding braid 9, produced in one or more layers overlapping each other, is executed continuously over the length of its terminal part already carrying the expander. It is thus preformed to the transverse dimensions of the expander and thereby to those of the rear end of the connector. The braiding can be carried out with different braiding steps on the expander and on the conductor strand, with a continuous variation at the transition, to allow if necessary and in particular when there is a significant difference in transverse dimensions between them, obtaining high performance protection over the entire length of the branch, including the widener.

La tresse de blindage 9 recouvre entièrement l'élargisseur, ou peut ne le recouvrir que partiellement. Etant préformée à la dimension transversale de l'extrémité arrière du connecteur, elle évite toute trituration susceptible de dégrader ses caractéristiques, lors de la pose du connecteur.The shielding braid 9 completely covers the expander, or may cover it only partially. Being preformed to the transverse dimension of the rear end of the connector, it avoids any crushing liable to degrade its characteristics when the connector is installed.

L'élargisseur 20 sert en outre de surface d'appui pour la coupe à la bonne longueur de la tresse de blindage 9. Il protège en même temps les conducteurs qu'il recouvre des blessures que pourrait occasionner cette coupe. Le plan de coupe de la tresse de blindage est repéré en 22, à une distance de l'extrémité arrière de l'élargisseur sensiblement égale à la longueur de l'extrémité arrière de raccordement du connecteur. Cette coupe permet d'éliminer l'excès de longueur de tresse et de retirer l'élargisseur pour glisser en place l'extrémité arrière du connecteur sous la tresse de blindage sans la déformer.The widener 20 also serves as a bearing surface for cutting to the correct length of the shielding braid 9. At the same time it protects the conductors it covers from injuries that this cutting could cause. The section plane of the shielding braid is marked at 22, at a distance from the rear end of the expander substantially equal to the length of the rear connection end of the connector. This cut eliminates the excess braid length and removes the expander to slide the rear end of the connector under the shielding braid without deforming it.

Avantageusement, on prévoit initialement sur la partie terminale et prééquipée pour le montage du connecteur, ou on monte, après la coupe d'excès de longueur de la tresse de blindage et l'élimination de l'élargisseur, des accessoires de fixation et de protection, montrés en pointillés et désignés par leurs références dans la figue 2, tels qu'une bague ou analogue rétractable de fixation 18 et un feuillard métallique et souple de protection 19 et aussi des gaines et manchons en matériau thermorétractable ayant pour but ultérieur, après traitement, d'assurer l'étanchéité transversale de l'ensemble.Advantageously, provision is initially made on the terminal part and pre-equipped for mounting the connector, or mounting, after cutting the excess length of the shielding braid and eliminating the expander, fixing and protection accessories , shown in dotted lines and designated by their references in FIG. 2, such as a retractable fixing ring or the like 18 and a flexible metal protective strip 19 and also sheaths and sleeves made of heat-shrinkable material intended for subsequent use, after treatment , ensure transverse sealing of the assembly.

Cette tresse de blindage 9 comporte avantageusement une boucle d'auto-blocage 24 réalisée avec l'exécution de la tresse. Cette boucle est quasi-attenante à l'extrémité arrière 20A de l'élargisseur et s'étend sur le toron de conducteurs de la branche 2, sur un à quelques centimètres. Elle est obtenue par un mouvement en va et vient de tressage, lors de l'exécution des différentes couches ou au moins de la seule couche finale, lorsque la tresse de blindage est multicouches, de manière à former un double ourlet.This shielding braid 9 advantageously comprises a self-locking loop 24 produced with the execution of the braid. This loop is almost adjacent to the rear end 20A of the expander and extends over the strand of conductors of branch 2, over a few centimeters. It is obtained by a back and forth movement of braiding, during the execution of the different layers or at least of the single final layer, when the shielding braid is multilayer, so as to form a double hem.

Cette boucle évite tout glissement de la tresse de blindage sur les conducteurs et/ou de ses éventuelles couches multiples, les unes sur les autres, notamment lors de la coupe d'excès de longueur de la tresse et la mise en place et le raccordement du connecteur. Elle joue directement le rôle d'anneau de fixation de la tresse de blindage sur le toron de conducteurs. Elle s'oppose aussi aux déplacements relatifs de la tresse de blindage et du toron, avec les éventuelles sollicitations mécaniques en vibration dans certaines conditions d'utilisation, en évitant les frottements et les dégradations résultantes des isolants des conducteurs.This loop prevents any sliding of the shielding braid on the conductors and / or its possible multiple layers, one on the other, in particular during the cutting of excess length of the braid and the setting in place and connection of the connector. It directly acts as a ring for fixing the shielding braid to the conductor strand. It is also opposed to the relative displacements of the shielding braid and the strand, with the possible mechanical stresses in vibration under certain conditions of use, avoiding friction and the resulting degradations of the insulators of the conductors.

En regard des figures 4 et suivantes, on indique que les références précédentes éventuellement accompagnées d'un signe prime ou seconde sont utilisées pour désigner des éléments identiques ou analogues à ceux des figures 1, en précisant le cas échéant les différences entre eux. On indique également que les axes des branches sont illustrés en traits mixtes et désignés en chiffres romains correspondant aux références des branches individuelles concernées. L'ensemble des conducteurs de chaque branche, ou la branche qu'ils définissent, est schématisé en trait plein sur chaque axe. Chaque tresse, ou chacune de leurs couches ou chaque élément supplémentaire sur chaque branche, est quant à lui schématisé en demi-coupe axiale par un seul trait, c'est-à-dire sans épaisseur propre. Les traits de ces demi-coupes des différentes couches des tresses sont quant à eux situés d'un côté ou de l'autre du trait définissant la branche pour une meilleure compréhension et plus grande clarté de ces figures.With reference to FIGS. 4 et seq., It is indicated that the preceding references, possibly accompanied by a prime or second sign, are used to designate elements identical or analogous to those of FIGS. 1, specifying where appropriate the differences between them. It is also indicated that the axes of the branches are illustrated in mixed lines and designated in Roman numerals corresponding to the references of the individual branches concerned. The set of conductors of each branch, or the branch they define, is shown diagrammatically in solid lines on each axis. Each braid, or each of their layers or each additional element on each branch, is in turn schematized in axial half-section by a single line, that is to say without its own thickness. The lines of these half-sections of the different layers of the braids are in turn located on one side or the other of the line defining the branch for a better understanding and greater clarity of these figures.

Sur ces figures on a en outre traduit par un tiret terminal transversal à chaque tresse ou chaque couche le point de départ de tressage et par une flèche terminale le sens et le point final de tressage.In these figures, a terminal dash transverse to each braid or each layer has also been translated the starting point of braiding and by an end arrow the direction and the final point of braiding.

La figure 4 correspond à une première variante d'exécution du blindage lorsque les trois branches 2, 3 et 4 de l'embranchement 1 sont sensiblement de même section. Cet embranchement est alors sans tresse de garnissage. La tresse de blindage de la branche 4 est en deux couches 8' et 8'' ont les épanouissements 8A sur la branche 2 et 8B sur la branche 3 s'étendent sur la longueur totale de ces branches 2 et 3. La dernière tresse du blindage 9 sur les branches 2 et 3 est montrée en une seule couche, qui vient doubler les épanouissements 8A et 8B.Figure 4 corresponds to a first alternative embodiment of the shielding when the three branches 2, 3 and 4 of the branch 1 are substantially of the same section. This branch is then without packing braid. The armor braid of branch 4 is in two layers 8 'and 8''have the openings 8A on branch 2 and 8B on the branch 3 extend over the total length of these branches 2 and 3. The last braid of the shield 9 on the branches 2 and 3 is shown in a single layer, which doubles the openings 8A and 8B.

La figure 5 correspond à une deuxième variante d'exécution du blindage lorsque toutes les branches ont des sections différentes, avec la section de la branche 2 nettement inférieure à celle de la branche 3 mais nettement supérieure à celle de la branche 4. L'embranchement est montré sans tresse de garnissage. L'absence de garnissage est compensée par une couche préliminaire de blindage 28' de la branche de section intermédiaire 2, présentant un épanouissement 28A sur la branche 4 de plus petite section.Figure 5 corresponds to a second alternative embodiment of the shielding when all the branches have different sections, with the section of the branch 2 significantly less than that of the branch 3 but significantly greater than that of the branch 4. The branching is shown without a packing braid. The absence of lining is compensated by a preliminary shielding layer 28 ′ of the branch of intermediate section 2, having a bloom 28A on the branch 4 of smaller section.

Chacune des trois branches est alors traitée dans l'ordre croissant des sections de ces branches et est recouverte d'une tresse de blindage individuel. Chaque tresse de blinbage est réalisée en deux couches 8' et 8'' sur la branche 4 avec des épanouissements 8A et 8B sur les branches 2 et 3, en une couche supplémentaire 28'' sur la branche 2, qui double la couche 28' précitée et présente un épanouissement terminal 28B sur la branche 3, et en première une couche 38 sur la branche 3 avec un épanouissement 38A au départ sur la branche 2. La dernière tresse de blindage 9 est essentiellement affectée au blindage supplémentaire de la dernière branche traitée 3. Elle est exécutée en continu sur les branches 2 et 3 ayant les plus fortes sections.Each of the three branches is then treated in ascending order of the sections of these branches and is covered with an individual shielding braid. Each plait is made in two layers 8 'and 8' 'on branch 4 with openings 8A and 8B on branches 2 and 3, in an additional layer 28' 'on branch 2, which doubles layer 28' mentioned above and has a terminal bloom 28B on branch 3, and first a layer 38 on branch 3 with a bloom 38A at the start on branch 2. The last shielding braid 9 is essentially assigned to the additional shielding of the last branch treated 3. It is performed continuously on branches 2 and 3 having the largest sections.

La figure 6 est une variante donnée par rapport aux figures 1B et 1C, en ce qui concerne la réalisation du garnissage de l'embranchement 1. Ce garnissage est réalisé en une seule opération de tressage sur les trois branches, pour laquelle la tresse unique de garnissage résultante est équivalente aux deux précitées 6 et 7 et désignée sous ces deux références. Il est réalisé depuis la branche 2 vers la branche 4, avec un aller et retour sur cette branche 4 pour se terminer sur la branche 3.FIG. 6 is a variant given with respect to FIGS. 1B and 1C, as regards the production of the lining of the branch line 1. This lining is produced in a single braiding operation on the three branches, for which the single braid of resulting lining is equivalent to the above two 6 and 7 and designated under these two references. It is carried out from branch 2 to branch 4, with a round trip on this branch 4 to end on branch 3.

La figure 7 est une variante donnée par rapport à la figure 1E, en ce qui concerne l'exécution des tresses de blindage de chacune des branches, indépendamment de la présence ou non de tresses de garnissage de l'embranchement 1. Chacune des tresses de blindage est en une seule couche sur la branche concernée. La tresse de blindage 8 de la branche 4 de plus petite section est la première effectuée et présente un épanouissement 8A sur la branche 2 suivante à traiter.FIG. 7 is a variant given with respect to FIG. 1E, with regard to the execution of the shielding braids of each of the branches, independently of the presence or not of braids for lining the branch 1. Each of the braids shielding is in a single layer on the branch concerned. The shielding braid 8 of the branch 4 of smaller section is the first made and has a bloom 8A on the next branch 2 to be treated.

La tresse de blindage 9' de la branche 2 présente un épanouissement 9A sur la branche 3. La tresse de blindage 9'' de la branche 3 présente quant à elle un épanouissement particulier de départ 9D sur la branche 4 de plus petite section. Les deux tresses de blindage 9' et 9'' sont équivalentes à la tresse continue finale 9 de la figure 1E grâce à la présence de l'épanouissement particulier 9D.The shielding braid 9 'of branch 2 has a bloom 9A on branch 3. The shielding braid 9' 'of branch 3 has a particular starting bloom 9D on branch 4 of smaller section. The two shielding braids 9 ′ and 9 ″ are equivalent to the final continuous braid 9 in FIG. 1E thanks to the presence of the particular bloom 9D.

L'épanouissement particulier de départ 9D est exécuté avec un mouvement limité d'aller sur la branche 4 depuis l'embranchement 1 sensiblement, puis un mouvement de retour vers l'embranchement 1 et au delà pour l'exécution, directement à la suite, de la tresse de blindage 9''. Il forme un ourlet sur la branche 2 d'auto-blocage des tresses 9' et 9'' ainsi que de la tresse 8.The particular opening flourishing 9D is executed with a limited movement to go on the branch 4 from the branch 1 substantially, then a movement back to the branch 1 and beyond for the execution, directly following, 9 '' shield braid. It forms a hem on the branch 2 of self-locking braids 9 'and 9' 'as well as braid 8.

La figure 8 illustre une liaison présentant, outre l'embranchement 1 précité avec ses trois branches 2, 3 et 4, dont le blindage est réalisé conformément à la figure 7, un autre embranchement 40 sur la branche 3 d'où partent deux nouvelles branches 41 et 42 et un nouvel embranchement 50 sur la branche 42 d'où partent encore deux nouvelles autres branches 51 et 52.FIG. 8 illustrates a connection having, in addition to the aforementioned branch 1 with its three branches 2, 3 and 4, the shielding of which is produced in accordance with FIG. 7, another branch 40 on branch 3 from which two new branches leave 41 and 42 and a new branch 50 on branch 42 from which two other new branches 51 and 52 leave.

La mode blindage des branches de chaque embranchement est alors reporté de proche en proche le long de la liaison.The armor mode of the branches of each branch is then transferred step by step along the link.

On voit ainsi la tresse de blindage 9'' arrêtée au niveau de l'embranchement 40. Cette tresse de blindage peut en variante présenter un épanouissement final s'étendant alors sur le pied de la branche 41 de plus faible section que la branche 42. La branche 41 est recouverte de sa tresse de blindage en une seule couche 43 présentant un épanouissement de départ 43A sur la branche 42. Cette dernière branche 42 est elle même recouverte de sa tresse de blindage en une seule couche 44, présentant un épanouissement de départ en ourlet 44D exécuté de part et d'autre de l'embranchement 40 sur les branches 42 et 3. Cette tresse de blindage 44 a un autre épanouisssement terminal 44A au delà de l'embranchement 50, ici sur la branche 51.We thus see the shielding braid 9 '' stopped at the branch 40. This shielding braid may alternatively have a final development then extending over the foot of the branch 41 of smaller section that the branch 42. The branch 41 is covered with its shielding braid in a single layer 43 having a starting bloom 43A on the branch 42. The latter branch 42 is itself covered with its shielding braid in a single layer 44, having a starting bloom in hem 44D executed on either side of the branch 40 on the branches 42 and 3. This shielding braid 44 has another terminal bloom 44A beyond the branch 50, here on the branch 51.

Les tresses de blindage 53 et 54 des branches 51 et 52 sont exécutées comme précédemment, avec un épanouissement de départ en ourlet 54D de la dernière tresse de blindage 54 de traitement des branches de l'embranchement 50.The shielding braids 53 and 54 of the branches 51 and 52 are executed as previously, with a starting bloom in hem 54D of the last shielding braid 54 for processing the branches of the branch 50.

La figure 9 montre une variante en ce qui concerne un traitement supplémentaire réalisé au niveau de l'arrêt ou du départ des tresses de blindage. Cette variante est donnée en regard de la figure 8 et de l'embranchement 40 dans cette figure 8, mais ce traitement supplémentaire est applicable à toute extrémité de l'une quelconque des tresses de blindage qui est ultérieurement recouverte par une autre tresse de blindage et notamment par la dernière tresse de blindage des branches d'un même embranchement.FIG. 9 shows a variant with regard to additional processing carried out at the level of the stopping or the departure of the shielding braids. This variant is given with reference to FIG. 8 and the branch 40 in this FIG. 8, but this additional treatment is applicable to any end of any one of the shielding braids which is subsequently covered by another shielding braid and in particular by the last shielding braid of the branches of the same branch.

Ce traitement supplémentaire consiste à entourer à l'aide d'un feuillard métallique 45 l'extrémité de la tresse de blindage 9'' arrêtée juste en deçà de l'embranchement 40 et d'un feuillard métallique 46 l'extrémité de l'épanouissement 43A de la tresse de blindage 43. Ce dernier feuillard 46 recouvre aussi de préférence l'extrémité de départ de l'épanouissement 44D quand celui-ci forme un ourlet. Ces feuillards évitent que les extrémités des fils ou de leurs brins, présentant des redressements naturels ou picots vers l'extérieur, ne passent au travers de la tresse de blindage les recouvrant ou au travers de tout gainage supplémentaire extérieur, en particulier isolant.This additional treatment consists in surrounding with a metal strip 45 the end of the shielding braid 9 '' stopped just below the branch 40 and a metal strip 46 on the end of the opening 43A of the shielding braid 43. The latter strip 46 also preferably covers the starting end of the opening 44D when the latter forms a hem. These strips prevent the ends of the wires or their strands, having natural straightenings or pins towards the outside, from passing through the shielding braid covering them or through any sheathing additional exterior, in particular insulation.

Les feuillards métalliques sont avantageusement adhésifs pour une bonne tenue en place sur les extrémités des tresses concernées.The metal strips are advantageously adhesive for good hold in place on the ends of the braids concerned.

Claims (14)

1/ Liaison blindée multibranches, comportant un faisceau constitue de conducteurs définissant les branches multiples et au moins un embranchement entre lesdites branches, selon une configuration préétablie donnée, des tresses de blindage desdites branches et des premiers moyens de continuité de blindage sur chaque embranchement, caractérisée en ce que lesdits premiers moyens de continuité de blindage sur chaque embranchement (1) sont constitués exclusivement par des épanouissements (8A, 8B, 9D) des tresses de blindage (8, 9) exécutees successivement sur les différentes branches concernées (4, 3, 2) de l'embranchement, s'étendant chacun sur l'embranchement (1) et sur au moins une partie d'une autre desdites branches concernées que celle portant la tresse de blindage à laquelle appartient l'épanouissement considéré, et étant recouverts chacun par la tresse de blindage de l'une desdites autres branches concernées, à l'exception de l'épanouissement de la dernière tresse exécutée (9) qui est non recouvert. 1 / Multi-branched armored connection, comprising a bundle consisting of conductors defining the multiple branches and at least one branch between said branches, according to a given pre-established configuration, braids for shielding said branches and first means of shielding continuity on each branch, characterized in that said first shielding continuity means on each branch (1) consist exclusively of openings (8A, 8B, 9D) of the shielding braids (8, 9) executed successively on the different branches concerned (4, 3, 2) of the branch line, each extending over the branch line (1) and over at least part of another of said branches concerned than that carrying the shielding braid to which the blooming considered belongs, and being each covered by the shielding braid of one of the said other branches concerned, with the exception of the development of the last t executed resse (9) which is not covered. 2/ Liaison blindée selon la revendication 1, caractérisée en ce que chaque épanouissement (8A, 8B) de chacune des tresses de blindage, exclusion faite de la dernière tresse de blindage exécutée (9), s'étend sur l'une des autres branches concernées ayant au moins la même section que la branche (4) portant la tresse de blindage (8) à laquelle appartient l'épanouissement considéré. 2 / shielded connection according to claim 1, characterized in that each blooming (8A, 8B) of each of the shielding braids, excluding the last shielding braid executed (9), extends over one of the other branches concerned having at least the same section as the branch (4) carrying the shielding braid (8) to which the considered development belongs. 3/ Liaison blindée selon l'une des revendications 1 et 2, caractérisée en ce que chaque épanouissement et la tresse de blindage à laquelle appartient l'épanouissement considéré sont à nombre de fils de tressage et à pas de tressage adaptés à la section de la branche que recouvre la tresse de blindage considérée, ou sont à nombre de fils de tressage ainsi adapte, à pas de tressage de l'épanouissement adapté à la section de la branche qu'il recouvre et à pas de tressage de la tresse de blindage adapté à la section de la branche qu'elle recouvre. 3 / shielded connection according to one of claims 1 and 2, characterized in that each blooming and the shielding braid to which the blooming considered belongs are the number of braiding son and braiding pitch adapted to the section of the branch covered by the shielding braid considered, or have a number of braiding wires thus adapted, with a braiding step of the opening adapted to the section of the branch which it covers and with a braiding pitch of the adapted shielding braid to the section of the branch it covers. 4/ Liaison blindée selon l'une des revendications 1 à 3, caractérisée en ce que l'épanouissement d'au moins ladite dernière tresse exécutée (9) est rendu continu sur la longueur totale de l'autre branche (3) sur laquelle il s'étend. 4 / shielded connection according to one of claims 1 to 3, characterized in that the development of at least said last braid performed (9) is made continuous over the total length of the other branch (3) on which it stretches. 5/ Liaison blindée selon l'une des revendications 1 à 3, caractérisée en ce que l'épanouissement de ladite dernière tresse exécutée (9) est un ourlet double d'auto-bloquage (9D), s'étendant sur l'une des autres branches concernées (4) de l'embranchement. 5 / armored connection according to one of claims 1 to 3, characterized in that the development of said last executed braid (9) is a double self-locking hem (9D), extending over one of the other concerned branches (4) of the branch. 6/ Liaison blindée selon l'une des revendications 1 à 5, caractérisée en ce que lesdites tresses de blindage sont constituées en au moins une couche (8, 8'). 6 / shielded connection according to one of claims 1 to 5, characterized in that said shielding braids are constituted by at least one layer (8, 8 '). 7/ Liaison blindée selon l'une des revendications 1 à 6, caractérisée en ce qu'elle comporte au moins un feuillard métallique de protection (45, 46) entre l'une des tresses de blindage et l'extrémité sous jacente d'une autre tresse de blindage. 7 / shielded connection according to one of claims 1 to 6, characterized in that it comprises at least one protective metal strip (45, 46) between one of the shielding braids and the underlying end of a another shielding braid. 8/ Liaison blindée selon l'une des revendications 1 à 7, comportant, en outre, des connecteurs terminaux raccordés en bout d'au moins certaines des branches multiples et des seconds moyens de continuité de blindage sur une extrémité arrière de chaque connecteur, caractérisée en ce que lesdits seconds moyens de continuité de blindage sont constitués exclusivement par un épanouissement supplémentaire (9C) de la tresse de blindage (9) de la branche (2) à laquelle est raccordé le connecteur considéré(10), exécuté directement sur l'extrémité arrière du connecteur et bloqué sur elle en rendant le connecteur intégré à ladite liaison blindée. 8 / shielded connection according to one of claims 1 to 7, further comprising terminal connectors connected at the end of at least some of the multiple branches and second shielding continuity means on a rear end of each connector, characterized in that said second shielding continuity means consist exclusively of an additional development (9C) of the shielding braid (9) of the branch (2) to which the connector in question is connected (10), executed directly on the rear end of the connector and locked on it making the connector integrated into said shielded link. 9/ Liaison blindée selon l'une des revendications 1 à 8, caractérisée en ce qu'elle comporte, en outre, un élargisseur (20) équipant chaque branche (2) non raccordée initialement à un connecteur terminal, de dimensions transversales sensiblement identiques à celles d'une extrémité dite arrière dudit connecteur à raccorder, monté sensiblement à l'emplacement du connecteur à raccorder sur la branche et recouvert directement par la tresse de blindage (9) sur cette branche, cette tresse de blindage étant directement préformée aux dimensions dudit élargisseur, à son niveau. 9 / shielded connection according to one of claims 1 to 8, characterized in that it further comprises a widener (20) fitted to each branch (2) not initially connected to a terminal connector, of transverse dimensions substantially identical to those of a so-called rear end of said connector to be connected, mounted substantially at the location of the connector to be connected to the branch and covered directly by the shielding braid (9) on this branch, this shielding braid being directly preformed to the dimensions of said expander, at its level. 10/ Liaison blindée selon la revendication 9, caractérisée en ce qu'elle comporte en outre un positionneur terminal de butée (21), associé et monte en bout dudit élargisseur (20) sur la branche portant ledit élargisseur. 10 / shielded connection according to claim 9, characterized in that it further comprises a terminal stop positioner (21), associated and mounted at the end of said expander (20) on the branch carrying said expander. 11/ Liaison blindée selon l'une des revendications 9 et 10, caractérisée en ce que la tresse de blindage sur chaque branche équipée d'un élargisseur (20) présente une boucle d'auto-blocage (24), sensiblement attenante audit élargisseur et s'étendant vers l'embranchement sur une partie de la branche. 11 / Shielded connection according to one of claims 9 and 10, characterized in that the shielding braid on each branch equipped with a widener (20) has a self-locking loop (24), substantially adjacent to said widener and extending towards the branch on a part of the branch. 12/ Liaison blindée selon l'une des revendications 1 à 11, dans laquelle au moins certaines desdites branches concernées à un même embranchement ont entre elles des sections différentes, caractérisée en ce qu'elle comporte, en outre, au moins une tresse de garnissage (6, 7) sur l'embranchement (1) et de part et d'autre sur les parties attenantes de tout ou partie des branches concernées. 12 / armored connection according to one of claims 1 to 11, wherein at least some of said branches concerned at the same branching have different sections between them, characterized in that it further comprises at least one packing braid (6, 7) on the branch (1) and on either side on the adjoining parts of all or part of the branches concerned. 13/ Liaison blindée selon la revendication 12, caractérisée en ce qu'elle comporte plusieurs tresses de garnissage s'étendant chacune de part et d'autre de l'embranchement sur deux branches différentes. 13 / armored connection according to claim 12, characterized in that it comprises several packing braids each extending on either side of the branch on two different branches. 14/ Liaison blindée selon la revendication 13, caractérisée en ce qu'elle comporte une tresse de garnissage exécutée en continu depuis l'une des branches sur au moins deux autres branches concernées de l'embranchement, avec un mouvement aller et retour sur l'une d'elles. 14 / armored connection according to claim 13, characterized in that it comprises a packing braid executed continuously from one of the branches on at least two other branches concerned of the branch, with a back and forth movement on the one of them.
EP93400180A 1992-01-29 1993-01-26 Multi-branched shielded connection Expired - Lifetime EP0554158B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9200950 1992-01-29
FR9200950A FR2686729B1 (en) 1992-01-29 1992-01-29 MULTI-BRANCHED ARMORED LINK.

Publications (2)

Publication Number Publication Date
EP0554158A1 true EP0554158A1 (en) 1993-08-04
EP0554158B1 EP0554158B1 (en) 1996-01-03

Family

ID=9426102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93400180A Expired - Lifetime EP0554158B1 (en) 1992-01-29 1993-01-26 Multi-branched shielded connection

Country Status (5)

Country Link
US (1) US5378853A (en)
EP (1) EP0554158B1 (en)
DE (1) DE69301156T2 (en)
ES (1) ES2081691T3 (en)
FR (1) FR2686729B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728114A1 (en) * 1994-12-13 1996-06-14 Eurocopter France METHOD FOR MAKING A SHIELDING SHIELD ON A BEAM OF ELECTRIC CONDUCTORS AND BEAM OBTAINED THEREBY
CN109285633A (en) * 2017-07-21 2019-01-29 矢崎(中国)投资有限公司 Utilize the method and busbar connector of metal core wire manufacture busbar connector

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728113A1 (en) * 1994-12-13 1996-06-14 Eurocopter France ARMORED ELECTRICAL CONDUCTOR HARNESS AND ITS REALIZATION PROCESS
GB2308511B (en) * 1995-12-21 2000-03-29 Fringe Electronics Ltd Screening can
USD385254S (en) * 1996-01-29 1997-10-21 Frederick Adu Owusu Multi-pronged audio headset adaptor
US5917151A (en) * 1997-08-29 1999-06-29 Ut Automotive Dearborn, Inc. Multi-shot molds for manufacturing wire harnesses
US20040144559A1 (en) * 2003-01-27 2004-07-29 Matthew Menze Flexible braided electrical cable bundle
US6960722B2 (en) * 2003-03-04 2005-11-01 Federal-Mogul World Wide, Inc. Multi-branch junction overwrap
US7120347B2 (en) 2004-01-27 2006-10-10 Corning Cable Systems Llc Multi-port optical connection terminal
US7013074B2 (en) * 2004-02-06 2006-03-14 Corning Cable Systems Llc Optical connection closure having at least one connector port
US7680388B2 (en) 2004-11-03 2010-03-16 Adc Telecommunications, Inc. Methods for configuring and testing fiber drop terminals
US7489849B2 (en) * 2004-11-03 2009-02-10 Adc Telecommunications, Inc. Fiber drop terminal
US20060153516A1 (en) * 2005-01-13 2006-07-13 Napiorkowski John J Network interface device having integral slack storage compartment
WO2006113810A2 (en) 2005-04-19 2006-10-26 Adc Telecommunications, Inc. Fiber breakout with integral connector
US7418177B2 (en) 2005-11-10 2008-08-26 Adc Telecommunications, Inc. Fiber optic cable breakout system, packaging arrangement, and method of installation
US7590321B2 (en) * 2006-03-09 2009-09-15 Adc Telecommunications, Inc. Mid-span breakout with helical fiber routing
US7317863B2 (en) * 2006-03-09 2008-01-08 Adc Telecommunications, Inc. Fiber optic cable breakout configuration with retention block
US7422378B2 (en) 2006-03-09 2008-09-09 Adc Telecommunications, Inc. Fiber optic cable breakout configuration with excess fiber length
US7424189B2 (en) * 2006-03-09 2008-09-09 Adc Telecommunications, Inc. Mid-span breakout with potted closure
US7251411B1 (en) 2006-03-09 2007-07-31 Adc Telecommunication, Inc. Fiber optic cable breakout configuration with “Y” block
US7599598B2 (en) * 2006-08-09 2009-10-06 Adc Telecommunications, Inc. Cable payout systems and methods
WO2008021253A2 (en) * 2006-08-14 2008-02-21 Adc Telecommunications, Inc. Factory spliced cable assembly
US7840109B2 (en) * 2006-08-14 2010-11-23 Adc Telecommunications, Inc. Factory spliced cable assembly
US7289714B1 (en) 2006-09-26 2007-10-30 Adc Telecommunication, Inc. Tubing wrap procedure
US7480436B2 (en) * 2006-10-10 2009-01-20 Adc Telecommunications, Inc. Systems and methods for securing a tether to a distribution cable
US7403685B2 (en) * 2006-10-13 2008-07-22 Adc Telecommunications, Inc. Overmold zip strip
US7489843B2 (en) * 2007-02-06 2009-02-10 Adc Telecommunications, Inc. Polyurethane to polyethylene adhesion process
US7558458B2 (en) * 2007-03-08 2009-07-07 Adc Telecommunications, Inc. Universal bracket for mounting a drop terminal
US7609925B2 (en) * 2007-04-12 2009-10-27 Adc Telecommunications, Inc. Fiber optic cable breakout configuration with tensile reinforcement
US7532799B2 (en) * 2007-04-12 2009-05-12 Adc Telecommunications Fiber optic telecommunications cable assembly
US7769261B2 (en) * 2007-09-05 2010-08-03 Adc Telecommunications, Inc. Fiber optic distribution cable
US7740409B2 (en) * 2007-09-19 2010-06-22 Corning Cable Systems Llc Multi-port optical connection terminal
JP5505069B2 (en) * 2009-06-23 2014-05-28 日立金属株式会社 Cable harness
WO2011143401A2 (en) 2010-05-14 2011-11-17 Adc Telecommunications, Inc. Splice enclosure arrangement for fiber optic cables
WO2012058391A1 (en) 2010-10-28 2012-05-03 Corning Cable Systems Llc Impact resistant fiber optic enclosures and related methods
US8885998B2 (en) 2010-12-09 2014-11-11 Adc Telecommunications, Inc. Splice enclosure arrangement for fiber optic cables
US9069151B2 (en) 2011-10-26 2015-06-30 Corning Cable Systems Llc Composite cable breakout assembly
US8873926B2 (en) 2012-04-26 2014-10-28 Corning Cable Systems Llc Fiber optic enclosures employing clamping assemblies for strain relief of cables, and related assemblies and methods
US20140076628A1 (en) * 2012-09-20 2014-03-20 Icore International, Inc. Rigidified non-conduited electrical harnesses
EP3466768B1 (en) * 2017-10-09 2020-05-20 Aptiv Technologies Limited High voltage electrical junction box
JP6644824B2 (en) * 2018-04-04 2020-02-12 矢崎総業株式会社 Branch circuit body and branching method of electric wire
JP6691164B2 (en) * 2018-04-04 2020-04-28 矢崎総業株式会社 Branching circuit body and wire branching method
USD890761S1 (en) * 2018-11-27 2020-07-21 Cisco Technology, Inc. Multi-connector hub

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984622A (en) * 1976-02-20 1976-10-05 Southern Weaving Company Multi-conductor cable harness with woven breakout cover and method of making same
FR2520548A1 (en) * 1982-01-27 1983-07-29 Fileca Sa Flexible shielded electric cable for low and medium frequency - uses alternate layers of conducting and ferromagnetic braid to give adequate shielding with conductor thickness less than skin depth
US4822956A (en) * 1986-08-11 1989-04-18 American Telephone And Telegraph Company Coaxial cable
EP0396932A2 (en) * 1989-05-06 1990-11-14 DaimlerChrysler Aerospace Airbus Gesellschaft mit beschränkter Haftung Device for the protection of electrical installations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166420A (en) * 1928-12-15 1939-07-18 Bendix Aviat Corp Ignition manifold cable
US2047152A (en) * 1932-10-22 1936-07-07 Galvin Mfg Corp Automobile radio cable
US4678865A (en) * 1985-04-25 1987-07-07 Westinghouse Electric Corp. Low noise electroencephalographic probe wiring system
US5115105A (en) * 1990-02-21 1992-05-19 Amphenol Corporation Overbraided in-line data bus loom
US5052947A (en) * 1990-11-26 1991-10-01 United States Of America As Represented By The Secretary Of The Air Force Cable shield termination backshell
US5192226A (en) * 1992-05-06 1993-03-09 Wang Tsan Chi Double-output port cable assembly for notebook computers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984622A (en) * 1976-02-20 1976-10-05 Southern Weaving Company Multi-conductor cable harness with woven breakout cover and method of making same
FR2520548A1 (en) * 1982-01-27 1983-07-29 Fileca Sa Flexible shielded electric cable for low and medium frequency - uses alternate layers of conducting and ferromagnetic braid to give adequate shielding with conductor thickness less than skin depth
US4822956A (en) * 1986-08-11 1989-04-18 American Telephone And Telegraph Company Coaxial cable
EP0396932A2 (en) * 1989-05-06 1990-11-14 DaimlerChrysler Aerospace Airbus Gesellschaft mit beschränkter Haftung Device for the protection of electrical installations

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728114A1 (en) * 1994-12-13 1996-06-14 Eurocopter France METHOD FOR MAKING A SHIELDING SHIELD ON A BEAM OF ELECTRIC CONDUCTORS AND BEAM OBTAINED THEREBY
EP0717420A1 (en) * 1994-12-13 1996-06-19 EUROCOPTER FRANCE, Société Anonyme dite: Manufacturing process of a shielding jacket on an electrical conductor harness, and harness obtained by such a process
US5718041A (en) * 1994-12-13 1998-02-17 Societe Anonyme Dite: Eurocopter France Process for the production of a shielding sheath on a bundle of electrical conductors
US6066800A (en) * 1994-12-13 2000-05-23 Societe Anonyme Dite: Eurocopter France Process for the production of a shielding sheath on a bundle of electrical conductors
CN109285633A (en) * 2017-07-21 2019-01-29 矢崎(中国)投资有限公司 Utilize the method and busbar connector of metal core wire manufacture busbar connector

Also Published As

Publication number Publication date
FR2686729A1 (en) 1993-07-30
EP0554158B1 (en) 1996-01-03
DE69301156T2 (en) 1996-05-15
US5378853A (en) 1995-01-03
ES2081691T3 (en) 1996-03-16
DE69301156D1 (en) 1996-02-15
FR2686729B1 (en) 1994-03-18

Similar Documents

Publication Publication Date Title
EP0554158B1 (en) Multi-branched shielded connection
EP0554159B1 (en) Shielded fishbone connection
EP0717419B1 (en) Shielded electrical conductor harness and it&#39;s manufacturing process
EP0964408B1 (en) Information transmission cable and its manufacturing method
CA2519583C (en) Electromagnetic shielding sleeve which is intended, for example, to protect bundles of cables for use in aeronautics
EP1949515B1 (en) Elbow connection for multiple-wire electric cable
CA2088215C (en) High frequency electric cable
EP0642139B1 (en) Easily strippable cable
CH694836A5 (en) data transmission twisted pair cable and manufacturing process.
EP0763831A1 (en) Multi-pairs cable, shielded by pair and easy to connect
CH695074A5 (en) high performance data cable.
EP0554157B1 (en) Shielded connection prepared for mounting a connector
EP0717420B1 (en) Manufacturing process of a shielding jacket on an electrical conductor harness, and harness obtained by such a process
EP0165861B1 (en) Electromagnetic screening of cables made of cable bundles with branchings
FR2468189A1 (en) ELECTRIC CABLE PROTECTED AGAINST MOISTURE
FR2685141A1 (en) JUNCTION OF ELECTRIC CABLES, PREFERRED JUNCTION ASSEMBLY AND METHOD FOR IMPLEMENTING THE SAME.
EP0949636B1 (en) Multi-layer conductor with reduced skin-effect
EP3878061B1 (en) Rear connection with electromagnetic protection
FR3110279A1 (en) Method of modifying an electric cable for a vehicle
FR2785715A1 (en) HIGH FREQUENCY PAIR OR QUARTE TRANSMISSION CABLE
FR2471656A1 (en) Axially compressible sheath for cable bundles - has enlarged portion at conductor terminations enabling insertion into cable connector
FR2745116A1 (en) Shielded electric cable for connecting measurement apparatus in nuclear industry
FR2701123A1 (en) Optical submarine cable joint
FR2722909A1 (en) Multi-core electric cable suitable for high frequency signal transmission
FR2709592A1 (en) Cable resistant to chemical attack

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES FR GB IT

17P Request for examination filed

Effective date: 19931201

17Q First examination report despatched

Effective date: 19950428

RBV Designated contracting states (corrected)

Designated state(s): BE DE ES GB IT

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES GB IT

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REF Corresponds to:

Ref document number: 69301156

Country of ref document: DE

Date of ref document: 19960215

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2081691

Country of ref document: ES

Kind code of ref document: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19960326

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19981211

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19981217

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19990111

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19990122

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000131

BERE Be: lapsed

Owner name: FILOTEX

Effective date: 20000131

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001101

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20010910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050126