EP3180826A1 - Ringed tubular sheath having a detachable longitudinal strip - Google Patents

Ringed tubular sheath having a detachable longitudinal strip

Info

Publication number
EP3180826A1
EP3180826A1 EP15766746.0A EP15766746A EP3180826A1 EP 3180826 A1 EP3180826 A1 EP 3180826A1 EP 15766746 A EP15766746 A EP 15766746A EP 3180826 A1 EP3180826 A1 EP 3180826A1
Authority
EP
European Patent Office
Prior art keywords
longitudinal
sheath
longitudinal strip
strip
tubular sheath
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.)
Withdrawn
Application number
EP15766746.0A
Other languages
German (de)
French (fr)
Inventor
Dalille ZAÏDI
Patrick Loison
Matthieu BERNICOT
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.)
Delfingen FR Anteuil SA
Original Assignee
Delfingen FR Anteuil 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 Delfingen FR Anteuil SA filed Critical Delfingen FR Anteuil SA
Publication of EP3180826A1 publication Critical patent/EP3180826A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0468—Corrugated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B60R16/0215—Protecting, fastening and routing means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/18—Pleated or corrugated hoses

Definitions

  • the invention relates to a corrugated tubular sheath which comprises a longitudinal band which can easily be detached by a user, in particular manually.
  • the invention also relates to a method of manufacture and the use of such a sheath.
  • Ribbed tubular sleeves have long been used to protect wires and / or cables, particularly in the field of the automotive industry.
  • the international application published under the number WO 02/087048 relates to an annular tubular sheath having a longitudinal strip of flexible material.
  • the second embodiment of this sheath illustrated by FIGS. 4 and 5 of this international application, provides for the production of a longitudinal section in a longitudinal strip of flexible material whose width is limited so as not to modify the characteristics of the original product. The cut is intended to obtain a slot for placing the son or cables inside the sheath.
  • the German patent application published under the number DE 10 2004 005 307 relates to a closure means for longitudinally split tubular sleeves, in particular annular tubular sleeves intended to protect electrical cables in vehicles.
  • This closure means is made in the form of a double T. As can be seen in particular in Figure 4 of this document, it may comprise an alternation of upper fins 12 and lower 13 fixed on a central longitudinal bar 14 .
  • the German patent application published under the number DE 10 2006 062 544 relates to a device for the manufacture of corrugated tubes for protecting longitudinally split cables, comprising a closing element supply reel for closing the slot.
  • This closure element is designated by the number 4 in Figure 4, where it can be seen that it has a rail shape.
  • WO 2013/065352 relates to a member for maintaining the shape of a split corrugated tube having a groove for each longitudinal edge of the tube.
  • the upper portions of the grooves may be corrugated to partially penetrate the spaces between the corrugations.
  • EP 223 424 relates to a closing element for circular sheath slit longitudinally.
  • This sheath is however not annealed and the longitudinal edges of the slot each extend by a rail-shaped upper portion forming a groove extending longitudinally.
  • a discontinuous closing channel is provided in order to keep the sheath closed and a closing element made in the form of a clip can thus introduce its two longitudinal ends in the grooves and in the discontinuity of the closure channel.
  • Japanese Patent Application No. JP 2006 320181 proposes an auxiliary member intended to be introduced into the slot of a split tube to protect the electrical wires contained in the tube and prevent, thanks to locking walls located at its longitudinal ends. , moving the tube in a longitudinal direction.
  • the major object of the invention is to provide a corrugated tubular sheath whose opening is facilitated and can be done at a later stage in the manufacture of the sheath, especially at the place of use of the sheath.
  • this object is achieved by means of an annular tubular sheath having a sheath body and a longitudinal band and wherein the sheath body and the band consist of materials not substantially adhering to each other.
  • the longitudinal strip comprising, on each of its longitudinal sides, an upper overflow and a lower overflow between which a respective longitudinal edge of the sheath is accommodated, this sheath having this particular feature that the longitudinal strip has substantially the shape of an arc of corrugated tube.
  • the annular tubular sleeve according to the invention can retain all its flexibility despite the presence of the longitudinal band.
  • Figure 1 an annular tubular sleeve according to the invention in perspective, before detachment of the longitudinal strip;
  • Figure 3 a tubular annular sheath according to the invention in longitudinal section along A-A;
  • FIG. 8 an annular tubular sleeve according to an advantageous embodiment of the invention, in perspective;
  • the annular tubular sleeve according to the invention resembles a conventional annular tubular sheath. It generally has a longitudinal sheath body 1 and a longitudinal strip 6.
  • the sheath body consists of a first material and the longitudinal band of a second material.
  • the first and second materials do not substantially adhere to one another, so that the two parts of the sheath can be easily separated, especially by hand, by a user. To do this, it is sufficient for the user to grasp, for example between the thumb and forefinger of one hand, one axial end of the band and to hold the sheath with the other hand, then to pull the light band to remove it from the sheath, in order to arrive at the situation visible in FIG. 2, where a longitudinal band 6 partially detached longitudinally from the sheath body 1 is distinguished.
  • the longitudinal band comprises, on each of its longitudinal sides, an upper overflow and a lower overflow between which the respective longitudinal edge of the sheath is housed and in a manner pinched.
  • a left longitudinal edge 5 of the sheath body 1 partially surrounded by an upper left overflow 2, a lower left overflow 3 and a left bottom 4 of the longitudinal strip 6, the last three elements forming a left groove housing the left longitudinal edge 5, and
  • a right longitudinal edge 7 of the sheath body 1 partially surrounded by a right upper overflow 8, a right lower overflow 9 and a straight bottom 10 of the longitudinal strip 6, these last three elements forming a straight groove housing the right longitudinal edge 7.
  • the longitudinal strip 6 has substantially the shape of a corrugated tube arc.
  • the central part of the longitudinal band 6, that is to say the longitudinal band 6 without its overflows 2,3,8,9, is perfectly similar to a piece of annular tubular sheath, its shape is that, or corresponds to that, of an arc of corrugated tube.
  • the longitudinal band 6 is formed by a circular arc in cross section, which develops longitudinally parallel to the longitudinal axis of the sheath and crenellated, marrying the shape of the corrugations of the sheath body 1 , so as to be able to completely extend the latter which then appears to be complete, devoid of longitudinal slit.
  • the longitudinal strip 6 completes the sheath body 1 by serving as a junction between the left and right longitudinal edges 7 of the sheath body 1.
  • the longitudinal strip 6 is crenellated, its crenellations 15 corresponding to the corrugations of the sheath body 1 and extending them.
  • the longitudinal band 6 does not obstruct the depressions, that is to say the inter-annular spaces, contrary to what happens with the solutions proposed in the state of the art, and, thanks to this, it allows the annular tubular sheath to retain all its flexibility.
  • outer 11 and inner faces 12 of the longitudinal strip 6 are curved like the sheath body 1, so that it appears to be complete, that is to say completely closed (to obviously part at its axial ends), as can be seen in particular in Figure 1.
  • the respective proportions of the sheath body 1 and the longitudinal strip 6 they can be defined, when the sheath body 1 is circular, by the angle ⁇ formed by the straight lines connecting in cross section (FIG. ), the left side ends 13 and right 14 in the center of the sheath body 1 represented by the point X corresponding to the projection of the longitudinal axis X of the sheath on the plane of the cross section.
  • This angle a is generally between 5 and 150 degrees and preferably between 80 and 150 degrees, or between 5 and 30 degrees.
  • the width of the longitudinal strip 6 is varied, that is to say that the angle a varies along the longitudinal axis X of the sheath. It can thus increase or decrease regularly along the longitudinal axis X, or undergo any other axial variation.
  • the dimensions of the overflows 2,3,8,9 of the longitudinal strip 6 on the sheath body 1 depend in particular on the tearing force of the desired longitudinal strip and the materials used. They can be defined by the depths of the grooves formed by the upper overflows 2.8 and lower 3.9 of the longitudinal strip 6, grooves into which the longitudinal edges 5 and 7 of the sheath body 1 penetrate, being generally in contact with the respective funds 4.10 of these grooves.
  • the thicknesses e of overflows generally represent between 5 and 30% and preferably between 10 and 15 of the thickness f of the longitudinal strip 6.
  • the sheath body 1 is generally made of a polyamide.
  • Polyamide 6 is preferably used.
  • the material of which the longitudinal strip 6 is made must not adhere (or adhere as little as possible) to the material of the sheath body.
  • a polyolefin such as polypropylene or polyethylene, is generally chosen.
  • polypropylene is used.
  • any other combination of suitable materials may be suitable, provided that the material of the strip does not (substantially) adhere to the material of the sheath body.
  • the sheath is made with a transverse preload exerted against the two longitudinal edges of the strip 6, so that once removed, the sheath closes again. herself.
  • the annular tubular sleeve according to the invention comprises at least one internal longitudinal reinforcement.
  • this longitudinal reinforcement can be formed by a filling 16 of the interior space located between the ridges 17 and the bases 18 of the corrugations with slight overflows - substantially of the thickness of the sheath - creating material bridges 19 between two adjacent corrugations.
  • an angle ⁇ generally between 5 and 30 degrees and preferably between 10 and 20 degrees .
  • the corrugated tubular sheath according to the invention can be manufactured in known manner by coextrusion of the two abovementioned materials. Those skilled in the art are able to modify a conventional annular tubular sheath extrusion head to allow the arrival of the second material at the desired location. It can in particular be inspired by the teachings of the international application No. WO 02/078048 and / or prior art cited in the search report for this application.
  • Coextrusion is followed by three-dimensional forming, which is also conventional.
  • the corrugated tubular sheath according to the invention thus resembles a conventional sheath, as can be seen in FIG. 1. It can therefore be used to protect wires and / or cables in a standard manner.
  • the sheath can be brought closed on its place of use, open and installed. Alternatively, it can be brought closed and then opened and installed at the same time. Of course, the sheath can be opened, then brought open to its place of use and then installed.
  • the opening can be done manually by a user, simply tearing the longitudinal strip 6, as described above. This has the effect of creating a longitudinal slot through which the user can then slide son and / or cables, as it would with a conventional slotted tubular annular sheath.
  • the opening of the sheath is achievable by the user at the time of use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Indoor Wiring (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to a ringed tubular sheath which comprises a longitudinal strip which can be easily detached by a user, in particular manually. More specifically, the invention relates to a ringed tubular sheath comprising a sheath body (1) and a longitudinal strip (6) which are made of materials that substantially do not adhere to one another, the longitudinal strip (6) comprising, on each of its longitudinal sides, an upper projection (2, 8) and a lower projection (3, 9), between which a respective longitudinal edge (5, 7) of the sheath body (1) is fitted, this sheath being distinctive in that the longitudinal strip (6) is substantially in the shape of an arc of a ringed tube. The invention also relates to a manufacturing method and to the use of such a sheath.

Description

GAINE TUBULAIRE ANNELÉE À BANDE LONGITUDINALE DÉTACHABLE  ANNULATED TUBULAR SHEATH WITH DETACHABLE LONGITUDINAL BAND
L' invention concerne une gaine tubulaire annelée qui comporte une bande longitudinale pouvant facilement être détachée par un utilisateur, notamment manuellement. L' invention a également trait à un procédé de fabrication ainsi qu'à l'utilisation d'une telle gaine. The invention relates to a corrugated tubular sheath which comprises a longitudinal band which can easily be detached by a user, in particular manually. The invention also relates to a method of manufacture and the use of such a sheath.
Arrière-plan de l'invention Background of the invention
On utilise depuis longtemps des gaines tubulaires annelées pour protéger des fils et/ou câbles, notamment dans le domaine de l'industrie automobile.  Ribbed tubular sleeves have long been used to protect wires and / or cables, particularly in the field of the automotive industry.
La demande internationale publiée sous le numéro WO 02/087048 a pour objet une gaine tubulaire annelée comportant une bande longitudinale en matière souple. En particulier, le deuxième mode de réalisation de cette gaine, illustré par les figures 4 et 5 de cette demande internationale, prévoit la réalisation d'une coupe longitudinale dans une bande longitudinale en matière souple dont la largeur est limitée afin de ne pas modifier les caractéristiques du produit d'origine. La coupe est destinée à l'obtention d'une fente permettant la mise en place des fils ou des câbles à l'intérieur de la gaine.  The international application published under the number WO 02/087048 relates to an annular tubular sheath having a longitudinal strip of flexible material. In particular, the second embodiment of this sheath, illustrated by FIGS. 4 and 5 of this international application, provides for the production of a longitudinal section in a longitudinal strip of flexible material whose width is limited so as not to modify the characteristics of the original product. The cut is intended to obtain a slot for placing the son or cables inside the sheath.
La demande de brevet allemand publiée sous le numéro DE 10 2004 005 307 a pour objet un moyen de fermeture pour des gaines tubulaires fendues longitudinalement , en particulier des gaines tubulaires annelées destinées à protéger des câbles électriques dans des véhicules. Ce moyen de fermeture est réalisé sous la forme d'un double T. Comme on peut le voir en particulier sur la figure 4 de ce document, il peut comporter une alternance d'ailettes supérieures 12 et inférieures 13 fixées sur une barre centrale longitudinale 14. La demande de brevet allemand publiée sous le numéro DE 10 2006 062 544 a trait à un dispositif pour la fabrication de tubes annelés de protection de câbles fendus longitudinalement, comportant une bobine d'alimentation en élément de fermeture pour fermer la fente. Cet élément de fermeture est désigné par le chiffre 4 sur la figure 4, où l'on peut voir qu'il présente une forme de rail. The German patent application published under the number DE 10 2004 005 307 relates to a closure means for longitudinally split tubular sleeves, in particular annular tubular sleeves intended to protect electrical cables in vehicles. This closure means is made in the form of a double T. As can be seen in particular in Figure 4 of this document, it may comprise an alternation of upper fins 12 and lower 13 fixed on a central longitudinal bar 14 . The German patent application published under the number DE 10 2006 062 544 relates to a device for the manufacture of corrugated tubes for protecting longitudinally split cables, comprising a closing element supply reel for closing the slot. This closure element is designated by the number 4 in Figure 4, where it can be seen that it has a rail shape.
La demande internationale n° WO 2013/065352 concerne un élément de maintien de la forme d'un tube annelé fendu présentant une rainure pour chaque bord longitudinal du tube. Les parties supérieures des rainures peuvent être ondulées pour pénétrer partiellement dans les espaces entre les annelures.  International Application No. WO 2013/065352 relates to a member for maintaining the shape of a split corrugated tube having a groove for each longitudinal edge of the tube. The upper portions of the grooves may be corrugated to partially penetrate the spaces between the corrugations.
La demande de brevet européen publiée sous le numéro EP 223 424 se rapporte à un élément de fermeture pour gaine circulaire fendue longitudinalement. Cette gaine n'est cependant pas annelée et les bords longitudinaux de la fente se prolongent chacun par une partie supérieure en forme de rail formant une rainure s' étendant longitudinalement. Un canal de fermeture discontinu est prévu afin de maintenir la gaine fermée et un élément de fermeture réalisé sous forme de clip peut ainsi introduire ses deux extrémités longitudinales dans les rainures et dans la discontinuité du canal de fermeture.  The European patent application published under the number EP 223 424 relates to a closing element for circular sheath slit longitudinally. This sheath is however not annealed and the longitudinal edges of the slot each extend by a rail-shaped upper portion forming a groove extending longitudinally. A discontinuous closing channel is provided in order to keep the sheath closed and a closing element made in the form of a clip can thus introduce its two longitudinal ends in the grooves and in the discontinuity of the closure channel.
La demande de brevet japonais n° JP 2006 320181 propose un organe auxiliaire prévu pour s'introduire dans la fente d'un tube fendu pour protéger les fils électriques contenu dans le tube et empêcher, grâce à des parois de blocage situées à ses extrémités longitudinales, le déplacement du tube dans une direction longitudinale.  Japanese Patent Application No. JP 2006 320181 proposes an auxiliary member intended to be introduced into the slot of a split tube to protect the electrical wires contained in the tube and prevent, thanks to locking walls located at its longitudinal ends. , moving the tube in a longitudinal direction.
Toutes les solutions proposées dans les cinq documents précédents conduisent en particulier à une rigidification du tube ou de la gaine. Exposé sommaire de l'invention All the solutions proposed in the five preceding documents lead in particular to a stiffening of the tube or the sheath. Summary of the invention
Le but majeur de l'invention est de proposer une gaine tubulaire annelée dont l'ouverture soit facilitée et puisse se faire à une étape ultérieure à la fabrication de la gaine, notamment sur le lieu d'utilisation de la gaine.  The major object of the invention is to provide a corrugated tubular sheath whose opening is facilitated and can be done at a later stage in the manufacture of the sheath, especially at the place of use of the sheath.
Selon l'invention, ce but est atteint au moyen d'une gaine tubulaire annelée comportant un corps de gaine et une bande longitudinale et dans laquelle le corps de gaine et la bande sont constitués de matériaux n' adhérant pas sensiblement l'un à l'autre, la bande longitudinale comportant, sur chacun de ses côtés longitudinaux, un débordement supérieur et un débordement inférieur entre lesquels un bord longitudinal respectif de la gaine est logé, cette gaine ayant ceci de particulier que la bande longitudinale présente sensiblement la forme d'un arc de tube annelé.  According to the invention, this object is achieved by means of an annular tubular sheath having a sheath body and a longitudinal band and wherein the sheath body and the band consist of materials not substantially adhering to each other. the longitudinal strip comprising, on each of its longitudinal sides, an upper overflow and a lower overflow between which a respective longitudinal edge of the sheath is accommodated, this sheath having this particular feature that the longitudinal strip has substantially the shape of an arc of corrugated tube.
Grâce à cette caractéristique, la gaine tubulaire annelée selon l' invention peut conserver toute sa souplesse malgré la présence de la bande longitudinale.  Thanks to this feature, the annular tubular sleeve according to the invention can retain all its flexibility despite the presence of the longitudinal band.
D'autres caractéristiques et avantages de l'invention vont maintenant être décrits en détail dans l'exposé suivant qui est donné en référence aux figures annexées, lesquelles représentent schématiquement :  Other features and advantages of the invention will now be described in detail in the following description which is given with reference to the appended figures, which schematically represent:
figure 1 : une gaine tubulaire annelée selon l'invention en perspective, avant détachement de la bande longitudinale ;  Figure 1: an annular tubular sleeve according to the invention in perspective, before detachment of the longitudinal strip;
- figure 2 : la gaine tubulaire annelée de la figure 1, après détachement partiel de la bande longitudinale ;  - Figure 2: the annular tubular ring of Figure 1, after partial detachment of the longitudinal strip;
figure 3 : une gaine tubulaire annelée selon 1' invention en section longitudinale suivant A-A;  Figure 3: a tubular annular sheath according to the invention in longitudinal section along A-A;
- figure 4 : la gaine tubulaire annelée de la figure 3, en vue de droite ; - figure 5 : la gaine tubulaire annelée de la figure 3, en vue de gauche en section suivant B-B ; - Figure 4: the annular tubular ring of Figure 3, in a right view; - Figure 5: the annular tubular ring of Figure 3, in left view in section along BB;
- figure 6 : un détail de la figure 4 ;  - Figure 6: a detail of Figure 4;
- figure 7 : un détail de la figure 5 ;  - Figure 7: a detail of Figure 5;
- figure 8 : une gaine tubulaire annelée selon un mode de réalisation avantageux de l'invention, en perspective ;  - Figure 8: an annular tubular sleeve according to an advantageous embodiment of the invention, in perspective;
- figure 9 : une section partielle longitudinale de la gaine de la figure 8 ; et  - Figure 9: a longitudinal partial section of the sheath of Figure 8; and
- figure 10 : une section transversale de la gaine de la figure 8.  - Figure 10: a cross section of the sheath of Figure 8.
Exposé détaillé de l'invention Detailed exposition of the invention
Un exemple de réalisation d'une gaine tubulaire annelée selon l'invention est représenté sur les figures 1 à 4.  An embodiment of an annular tubular sheath according to the invention is shown in FIGS. 1 to 4.
Comme on peut le voir sur la figure 1, la gaine tubulaire annelée selon l'invention ressemble à une gaine tubulaire annelée classique. Elle possède généralement un corps de gaine longitudinal 1 et une bande longitudinale 6.  As can be seen in Figure 1, the annular tubular sleeve according to the invention resembles a conventional annular tubular sheath. It generally has a longitudinal sheath body 1 and a longitudinal strip 6.
Selon l'invention, le corps de gaine est constitué d'un premier matériau et la bande longitudinale d'un second matériau .  According to the invention, the sheath body consists of a first material and the longitudinal band of a second material.
Les premier et second matériaux n' adhèrent pas sensiblement l'un à l'autre, de sorte que les deux parties de la gaine pourront être aisément séparées, notamment à la main, par un utilisateur. Pour ce faire, il suffira à l'utilisateur de saisir, par exemple entre le pouce et l'index d'une main, une extrémité axiale de la bande et de tenir de l'autre main la gaine, puis de tirer la bande claire pour l'arracher de la gaine, afin d'aboutir à la situation visible sur la figure 2, où l'on distingue une bande longitudinale 6 partiellement détachée longitudinalement du corps de gaine 1. Pour que la séparation de la bande longitudinale soit possible, il est nécessaire de réaliser un maintien mécanique de cette bande sur le corps de gaine qui soit à la fois suffisant pour la manipulation normale, le transport et la mise en place de la gaine, mais pas trop ferme de manière à ce que le détachement soit possible, notamment manuellement, sans qu'il faille employer trop de force. The first and second materials do not substantially adhere to one another, so that the two parts of the sheath can be easily separated, especially by hand, by a user. To do this, it is sufficient for the user to grasp, for example between the thumb and forefinger of one hand, one axial end of the band and to hold the sheath with the other hand, then to pull the light band to remove it from the sheath, in order to arrive at the situation visible in FIG. 2, where a longitudinal band 6 partially detached longitudinally from the sheath body 1 is distinguished. In order for the separation of the longitudinal strip to be possible, it is necessary to mechanically hold this strip on the sheath body which is at the same time sufficient for the normal handling, transport and positioning of the sheath, but not too firm so that detachment is possible, especially manually, without having to use too much force.
Selon l'invention, un tel résultat est obtenu en prévoyant que la bande longitudinale comporte, sur chacun de ses côtés longitudinaux, un débordement supérieur et un débordement inférieur entre lesquels le bord longitudinal respectif de la gaine est logé et en quelque sorte pincé.  According to the invention, such a result is obtained by providing that the longitudinal band comprises, on each of its longitudinal sides, an upper overflow and a lower overflow between which the respective longitudinal edge of the sheath is housed and in a manner pinched.
Cette caractéristique apparaît clairement sur la figure 7, où l'on distingue  This feature appears clearly in Figure 7, where we distinguish
- d'une part, un bord longitudinal gauche 5 du corps de gaine 1 entouré partiellement par un débordement supérieur gauche 2, un débordement inférieur gauche 3 et un fond gauche 4 de la bande longitudinale 6, ces trois derniers éléments formant une rainure gauche logeant le bord longitudinal gauche 5, et  - On the one hand, a left longitudinal edge 5 of the sheath body 1 partially surrounded by an upper left overflow 2, a lower left overflow 3 and a left bottom 4 of the longitudinal strip 6, the last three elements forming a left groove housing the left longitudinal edge 5, and
- d'autre part, un bord longitudinal droit 7 du corps de gaine 1 entouré partiellement par un débordement supérieur droit 8, un débordement inférieur droit 9 et un fond droit 10 de la bande longitudinale 6, ces trois derniers éléments formant une rainure droite logeant le bord longitudinal droit 7.  - On the other hand, a right longitudinal edge 7 of the sheath body 1 partially surrounded by a right upper overflow 8, a right lower overflow 9 and a straight bottom 10 of the longitudinal strip 6, these last three elements forming a straight groove housing the right longitudinal edge 7.
Selon l'invention, la bande longitudinale 6 présente sensiblement la forme d'un arc de tube annelé. La partie centrale de la bande longitudinale 6, c'est-à-dire la bande longitudinale 6 sans ses débordements 2,3,8,9, s'apparente parfaitement à un morceau de gaine tubulaire annelée, sa forme est celle, ou correspond à celle, d'un arc de tube annelé . En d'autres termes, la bande longitudinale 6 est formée par un arc de cercle en section transversale, qui se développe longitudinalement parallèlement à l'axe longitudinal de la gaine et de manière crénelée, en épousant la forme des annelures du corps de gaine 1, de manière à pouvoir prolonger complètement celle-ci qui apparaît alors comme étant complète, dépourvue de fente longitudinale. According to the invention, the longitudinal strip 6 has substantially the shape of a corrugated tube arc. The central part of the longitudinal band 6, that is to say the longitudinal band 6 without its overflows 2,3,8,9, is perfectly similar to a piece of annular tubular sheath, its shape is that, or corresponds to that, of an arc of corrugated tube. In other words, the longitudinal band 6 is formed by a circular arc in cross section, which develops longitudinally parallel to the longitudinal axis of the sheath and crenellated, marrying the shape of the corrugations of the sheath body 1 , so as to be able to completely extend the latter which then appears to be complete, devoid of longitudinal slit.
Ainsi, comme cela ressort des figures 4 à 7, la bande longitudinale 6 complète le corps de gaine 1 en servant de jonction entre les bords longitudinaux gauche 5 et droit 7 du corps de gaine 1.  Thus, as is apparent from FIGS. 4 to 7, the longitudinal strip 6 completes the sheath body 1 by serving as a junction between the left and right longitudinal edges 7 of the sheath body 1.
Comme on peut le voir sur la figure 3, la bande longitudinale 6 est crénelée, ses créneaux 15 correspondant aux annelures du corps de gaine 1 et prolongeant celles-ci. Ainsi, la bande longitudinale 6 n'obstrue pas les creux, c'est-à-dire les espaces inter-annelures, contrairement à ce qui se passe avec les solutions proposées dans l'état de la technique, et, grâce à cela, elle permet à la gaine tubulaire annelée de conserver toute sa flexibilité.  As can be seen in FIG. 3, the longitudinal strip 6 is crenellated, its crenellations 15 corresponding to the corrugations of the sheath body 1 and extending them. Thus, the longitudinal band 6 does not obstruct the depressions, that is to say the inter-annular spaces, contrary to what happens with the solutions proposed in the state of the art, and, thanks to this, it allows the annular tubular sheath to retain all its flexibility.
De plus, il est préférable que les faces extérieure 11 et intérieure 12 de la bande longitudinale 6 soient incurvées comme le corps de gaine 1, de sorte que celle-ci apparaisse comme étant complète, c'est-à-dire totalement fermée (à part évidemment au niveau de ses extrémités axiales), comme on peut le voir notamment sur la figure 1.  In addition, it is preferable that the outer 11 and inner faces 12 of the longitudinal strip 6 are curved like the sheath body 1, so that it appears to be complete, that is to say completely closed (to obviously part at its axial ends), as can be seen in particular in Figure 1.
S' agissant des proportions respectives du corps de gaine 1 et de la bande longitudinale 6, elles peuvent être définies, lorsque le corps de gaine 1 est circulaire, par l'angle a formé par les droites reliant, en section transversale (fig. 4), les extrémités latérales gauche 13 et droite 14 au centre du corps de gaine 1 représenté par le point X correspondant à la projection de l'axe longitudinal X de la gaine sur le plan de la section transversale. Cet angle a est généralement compris entre 5 et 150 degrés et de préférence, soit entre 80 et 150 degrés, soit entre 5 et 30 degrés. With regard to the respective proportions of the sheath body 1 and the longitudinal strip 6, they can be defined, when the sheath body 1 is circular, by the angle α formed by the straight lines connecting in cross section (FIG. ), the left side ends 13 and right 14 in the center of the sheath body 1 represented by the point X corresponding to the projection of the longitudinal axis X of the sheath on the plane of the cross section. This angle a is generally between 5 and 150 degrees and preferably between 80 and 150 degrees, or between 5 and 30 degrees.
Selon un mode de réalisation avantageux, on fait varier la largeur de la bande longitudinale 6, c'est-à-dire que l'angle a varie le long de l'axe longitudinal X de la gaine. Il peut ainsi augmenter ou diminuer régulièrement le long de l'axe longitudinal X, ou subir n'importe quelle autre variation axiale.  According to an advantageous embodiment, the width of the longitudinal strip 6 is varied, that is to say that the angle a varies along the longitudinal axis X of the sheath. It can thus increase or decrease regularly along the longitudinal axis X, or undergo any other axial variation.
Concernant les dimensions des débordements 2,3,8,9 de la bande longitudinale 6 sur le corps de gaine 1, elles dépendent notamment de la force d'arrachage de la bande longitudinale recherchée et des matériaux employés. Elles peuvent être définies par les profondeurs des rainures formées par les débordements supérieurs 2,8 et inférieurs 3,9 de la bande longitudinale 6, rainures dans lesquelles pénètrent les bords longitudinaux 5 et 7 du corps de gaine 1, en étant généralement en contact avec les fonds 4,10 respectifs de ces rainures.  Regarding the dimensions of the overflows 2,3,8,9 of the longitudinal strip 6 on the sheath body 1, they depend in particular on the tearing force of the desired longitudinal strip and the materials used. They can be defined by the depths of the grooves formed by the upper overflows 2.8 and lower 3.9 of the longitudinal strip 6, grooves into which the longitudinal edges 5 and 7 of the sheath body 1 penetrate, being generally in contact with the respective funds 4.10 of these grooves.
Ces profondeurs représentent généralement entre 10 et These depths generally represent between 10 and
50% et de préférence entre 20 et 30% de la largeur de la bande longitudinale 6. 50% and preferably between 20 and 30% of the width of the longitudinal band 6.
Quant aux épaisseurs e des débordements, elles représentent généralement entre 5 et 30% et de préférence entre 10 et 15 de l'épaisseur f de la bande longitudinale 6.  As for the thicknesses e of overflows, they generally represent between 5 and 30% and preferably between 10 and 15 of the thickness f of the longitudinal strip 6.
Pour ce qui est des matériaux employés, le corps de gaine 1 est généralement fait d'un polyamide. De préférence on utilise du polyamide 6.  As for the materials used, the sheath body 1 is generally made of a polyamide. Polyamide 6 is preferably used.
Selon l'invention, le matériau dont est faite la bande longitudinale 6 ne doit pas adhérer (ou adhérer le moins possible) au matériau du corps de gaine. On choisit alors généralement une polyoléfine, comme le polypropylène ou le polyéthylène . De préférence, on utilise le polypropylène. Bien entendu, toute autre combinaison de matériaux appropriés peut convenir, à condition que le matériau de la bande n'adhère (sensiblement) pas au matériau du corps de gaine . According to the invention, the material of which the longitudinal strip 6 is made must not adhere (or adhere as little as possible) to the material of the sheath body. A polyolefin, such as polypropylene or polyethylene, is generally chosen. Preferably, polypropylene is used. Of course, any other combination of suitable materials may be suitable, provided that the material of the strip does not (substantially) adhere to the material of the sheath body.
Selon un mode de réalisation particulièrement avantageux de l'invention, la gaine est réalisée avec une précontrainte transversale s' exerçant contre les deux bords longitudinaux de la bande 6, de sorte qu'une fois celle-ci retirée, la gaine se referme d'elle-même.  According to a particularly advantageous embodiment of the invention, the sheath is made with a transverse preload exerted against the two longitudinal edges of the strip 6, so that once removed, the sheath closes again. herself.
Selon un autre mode de réalisation avantageux de l'invention visible sur les figures 8 à 10, la gaine tubulaire annelée selon l'invention comporte au moins un renfort longitudinal interne.  According to another advantageous embodiment of the invention visible in FIGS. 8 to 10, the annular tubular sleeve according to the invention comprises at least one internal longitudinal reinforcement.
Comme on peut le voir en particulier sur la figure 9, Ce renfort longitudinal peut être formé par un remplissage 16 de l'espace intérieur situé entre les crêtes 17 et les bases 18 des annelures avec des débordements peu épais - sensiblement de l'épaisseur de la gaine - créant des ponts de matière 19 entre deux annelures adjacentes.  As can be seen in particular in FIG. 9, this longitudinal reinforcement can be formed by a filling 16 of the interior space located between the ridges 17 and the bases 18 of the corrugations with slight overflows - substantially of the thickness of the sheath - creating material bridges 19 between two adjacent corrugations.
Comme on peut le voir sur la figure 10, le remplissage As can be seen in Figure 10, the filling
16 s'étend peu de manière périmétrique ou circonférentielle, de sorte qu'il peut former en section transversale, si on le relie à l'axe X, un angle β compris généralement entre 5 et 30 degrés et de préférence entre 10 et 20 degrés. 16 extends little perimetrically or circumferentially, so that it can form in cross section, if it is connected to the X axis, an angle β generally between 5 and 30 degrees and preferably between 10 and 20 degrees .
Fabrication Manufacturing
La gaine tubulaire annelée selon l'invention peut être fabriquée de façon connue par co-extrusion des deux matériaux précités. L'homme du métier est en mesure de modifier une tête d'extrusion de gaine tubulaire annelée classique pour permettre l'arrivée du second matériau à l'endroit voulu. Il peut notamment s'inspirer des enseignements de la demande internationale n° WO 02/078048 et/ou des antériorités citées dans le rapport de recherche relatif à cette demande. The corrugated tubular sheath according to the invention can be manufactured in known manner by coextrusion of the two abovementioned materials. Those skilled in the art are able to modify a conventional annular tubular sheath extrusion head to allow the arrival of the second material at the desired location. It can in particular be inspired by the teachings of the international application No. WO 02/078048 and / or prior art cited in the search report for this application.
Cette modification étant minime et à la portée de tout homme du métier, la fabrication peut encore être considérée comme étant une extrusion standard.  This modification is minimal and within the reach of any person skilled in the art, the manufacture can still be considered as a standard extrusion.
La co-extrusion est suivie d'un formage tridimensionnel qui, lui aussi, est classique.  Coextrusion is followed by three-dimensional forming, which is also conventional.
Ceci est particulièrement intéressant car le formage d'une gaine déjà ouverte entraine des décalages d' annelures posant ultérieurement des problèmes de fermeture. D'autre part, l'ouverture classique d'une gaine déjà formée demande des moyens importants (dispositif de coupe, etc.).  This is particularly interesting because the forming of a sheath already open causes offsets annellations subsequently posing closure problems. On the other hand, the conventional opening of a sheath already formed requires significant resources (cutting device, etc.).
La gaine selon l'invention est donc obtenue fermée.  The sheath according to the invention is thus obtained closed.
Utilisation use
La gaine tubulaire annelée selon l'invention ressemble donc à une gaine classique, comme cela ressort de la figure 1. Elle peut donc servir à protéger des fils et/ou câbles de façon standard.  The corrugated tubular sheath according to the invention thus resembles a conventional sheath, as can be seen in FIG. 1. It can therefore be used to protect wires and / or cables in a standard manner.
Toutefois, selon l'invention, elle est mise en œuvre d'une manière originale. En effet, la gaine peut être amenée fermée sur son lieu d'utilisation, ouverte puis installée. En variante, elle peut être amenée fermée puis ouverte et installée en même temps. Bien entendu, la gaine peut être ouverte, puis amenée ouverte sur son lieu d'utilisation et ensuite installée.  However, according to the invention, it is implemented in an original way. Indeed, the sheath can be brought closed on its place of use, open and installed. Alternatively, it can be brought closed and then opened and installed at the same time. Of course, the sheath can be opened, then brought open to its place of use and then installed.
L'ouverture peut se faire notamment manuellement par un utilisateur, en arrachant tout simplement la bande longitudinale 6, comme cela a été décrit précédemment. Ceci a pour effet de créer une fente longitudinale au travers de laquelle l'utilisateur peut ensuite glisser des fils et/ou des câbles, comme il le ferait avec une gaine tubulaire annelée fendue classique. Ainsi, grâce à l'invention, l'ouverture de la gaine est réalisable par l'utilisateur au moment de son utilisation. The opening can be done manually by a user, simply tearing the longitudinal strip 6, as described above. This has the effect of creating a longitudinal slot through which the user can then slide son and / or cables, as it would with a conventional slotted tubular annular sheath. Thus, thanks to the invention, the opening of the sheath is achievable by the user at the time of use.
D'autre part, il est maintenant possible de réaliser une gaine ayant une ouverture longitudinale d'une largeur variable et déterminée lors de la conception ou fabrication de la gaine.  On the other hand, it is now possible to make a sheath having a longitudinal opening of a variable width and determined during the design or manufacture of the sheath.

Claims

Revendications claims
1. - Gaine tubulaire annelée comportant un corps de gaine (1) et une bande longitudinale (6) constitués de matériaux n'adhérant pas l'un à l'autre, la bande longitudinale (6) comportant, sur chacun de ses côtés longitudinaux, un débordement supérieur (2,8) et un débordement inférieur (3,9) entre lesquels un bord longitudinal respectif (5,7) du corps de gaine (1) est logé, caractérisée en ce que la bande longitudinale (6) présente sensiblement la forme d'un arc de tube annelé. 1. - annular tubular sleeve comprising a sheath body (1) and a longitudinal strip (6) consisting of non-adhering materials to each other, the longitudinal strip (6) having on each of its longitudinal sides , an upper overflow (2,8) and a lower overflow (3,9) between which a respective longitudinal edge (5,7) of the sheath body (1) is accommodated, characterized in that the longitudinal band (6) has substantially the shape of a corrugated tube arc.
2. - Gaine tubulaire annelée selon la revendication 1, dans laquelle la bande longitudinale (6) complète le corps de gaine (1) en servant de jonction entre les bords longitudinaux (5,7) du corps de gaine (1). 2. - annular tubular sleeve according to claim 1, wherein the longitudinal strip (6) completes the sheath body (1) serving as a junction between the longitudinal edges (5,7) of the sheath body (1).
3. - Gaine tubulaire annelée selon la revendication 1 ou 2, dans laquelle la bande longitudinale (6) est crénelée, ses créneaux (15) prolongeant les annelures du corps de gaine (1) . 3. - corrugated tubular sheath according to claim 1 or 2, wherein the longitudinal band (6) is crenellated, its crenellations (15) extending the annular grooves of the sheath body (1).
4. - Gaine tubulaire annelée selon l'une des revendications 1 à 3, dans laquelle la bande longitudinale (6) est incurvée, son rayon de courbure étant le même que celui du corps de gaine (1) . 4. - corrugated tubular sheath according to one of claims 1 to 3, wherein the longitudinal strip (6) is curved, its radius of curvature being the same as that of the sheath body (1).
5. - Gaine tubulaire annelée selon l'une des revendications 1 à 4, dans laquelle les extrémités latérales (13,14) de la bande longitudinale (6) forment avec le centre de la gaine un angle (a) compris entre 5 et 150 degrés. 5. - corrugated tubular sheath according to one of claims 1 to 4, wherein the lateral ends (13,14) of the longitudinal strip (6) form with the center of the sheath an angle (a) between 5 and 150 degrees.
6. - Gaine tubulaire annelée selon la revendication 5, dans laquelle les extrémités latérales (13,14) de la bande longitudinale (6) forment avec le centre de la gaine un angle (a) compris soit entre 80 et 150 degrés, soit entre 5 et 30 degrés. 6. - annular tubular sleeve according to claim 5, wherein the lateral ends (13,14) of the longitudinal strip (6) form with the center of the sheath an angle (a) between 80 and 150 degrees, or between 5 and 30 degrees.
7. - Gaine tubulaire selon la revendication 5 ou 6, dans laquelle l'angle (a) varie le long de l'axe longitudinal (X) de la gaine. Tubular sheath according to claim 5 or 6, wherein the angle (a) varies along the longitudinal axis (X) of the sheath.
8. - Gaine tubulaire annelée selon l'une des revendications 1 à 7, dans laquelle les débordements inférieurs (3,9) et supérieurs (2,8) créent des rainures dont les profondeurs représentent entre 10 et 50% de la largeur de la bande longitudinale (6) . 8. - corrugated tubular sheath according to one of claims 1 to 7, wherein the lower overhangs (3,9) and upper (2,8) create grooves whose depths are between 10 and 50% of the width of the longitudinal band (6).
9. - Gaine tubulaire annelée selon la revendication 8, dans laquelle les débordements inférieurs et supérieurs (3, 9; 2, 8) représentent entre 20 et 30% de la largeur de la bande longitudinale (6) . 9. - annular tubular sleeve according to claim 8, wherein the upper and lower overflows (3, 9; 2, 8) represent between 20 and 30% of the width of the longitudinal strip (6).
10. - Gaine tubulaire annelée selon l'une des revendications 1 à 9, dans laquelle les épaisseurs (e) des débordements (2,3,8,9) représentent entre 5 et 30% de l'épaisseur (f) de la bande longitudinale (6) . 10. - corrugated tubular sheath according to one of claims 1 to 9, wherein the thicknesses (e) of the overflows (2,3,8,9) represent between 5 and 30% of the thickness (f) of the strip longitudinal (6).
11. - Gaine tubulaire annelée selon la revendication 10, dans laquelle les épaisseurs (e) des débordements (2,3,8,9) représentent entre 10 et 15% de l'épaisseur (f) de la bande longitudinale (6) . 11. annular tubular sleeve according to claim 10, wherein the thicknesses (e) of the overflows (2,3,8,9) represent between 10 and 15% of the thickness (f) of the longitudinal strip (6).
12. - Gaine tubulaire annelée selon l'une des revendications 1 à 11 dont le corps de gaine (1) est en polyamide et la bande longitudinale (6) en polyoléfine. 12. annealed tubular sheath according to one of claims 1 to 11, the sheath body (1) is made of polyamide and the longitudinal strip (6) of polyolefin.
13. - Gaine tubulaire annelée selon la revendication 12, la polyoléfine étant le polypropylène et le polyamide, le polyamide 6. 13. - corrugated tubular sheath according to claim 12, the polyolefin being polypropylene and polyamide, polyamide 6.
14. Gaine tubulaire annelée selon l'une des revendications 1 à 13 réalisée avec une précontrainte transversale s' exerçant contre la bande longitudinale (6), de sorte qu'une fois celle-ci retirée, la gaine se referme automatiquement. 14. corrugated tubular sheath according to one of claims 1 to 13 made with a transverse prestress against the longitudinal band (6), so that once removed, the sheath closes automatically.
15. - Gaine tubulaire annelée selon l'une des revendications 1 à 14, comportant au moins un renfort longitudinal interne15. - corrugated tubular sheath according to one of claims 1 to 14, comprising at least one internal longitudinal reinforcement
(16) . (16).
16. - Gaine tubulaire selon la revendication 15, dans laquelle le renfort longitudinal interne (16) est formé par un remplissage de l'espace intérieur situé entre les crêtesThe tubular sheath according to claim 15, wherein the internal longitudinal reinforcement (16) is formed by filling the interior space between the crests.
(17) et les bases (18) des annelures, avec des débordements de matière créant des ponts (19) entre deux annelures adj acentes . (17) and the bases (18) of the corrugations, with overflows of material creating bridges (19) between two adjacent corrugations.
17. - Procédé de fabrication d'une gaine tubulaire annelée selon l'une des revendications 1 à 16, comportant une étape de co-extrusion du matériau du corps de gaine (1) et du matériau de la bande longitudinale (6) . 17. - A method of manufacturing an annular tubular sheath according to one of claims 1 to 16, comprising a step of co-extrusion of the material of the sheath body (1) and the material of the longitudinal strip (6).
18.- Procédé selon la revendication 17, dans lequel on fait varier axialement la largeur de la bande longitudinale (6) . 18. A process according to claim 17, wherein the width of the longitudinal strip (6) is axially varied.
19.- Procédé selon la revendication 17 ou 18, dans lequel l'étape de co-extrusion est suivie d'une étape de formage tridimensionnel . 19. The method of claim 17 or 18, wherein the coextrusion step is followed by a three-dimensional forming step.
20.- Utilisation d'une gaine tubulaire annelée selon l'une des revendications 1 à 16 pour protéger des fils et/ou des câbles . 20.- Use of a corrugated tubular sheath according to one of claims 1 to 16 for protecting wires and / or cables.
21.- Utilisation selon la revendication 20, dans laquelle on détache la bande longitudinale (6) . 21.- Use according to claim 20, wherein the longitudinal strip (6) is detached.
EP15766746.0A 2014-08-13 2015-08-10 Ringed tubular sheath having a detachable longitudinal strip Withdrawn EP3180826A1 (en)

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FR1401847A FR3024922B1 (en) 2014-08-13 2014-08-13 ANNELED TUBULAR SHEATH WITH DETACHABLE LONGITUDINAL BAND
PCT/EP2015/001642 WO2016023630A1 (en) 2014-08-13 2015-08-10 Ringed tubular sheath having a detachable longitudinal strip

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JP2017532505A (en) 2017-11-02
WO2016023630A1 (en) 2016-02-18
US20170309372A1 (en) 2017-10-26
FR3024922A1 (en) 2016-02-19
FR3024922B1 (en) 2018-04-20

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