EP3717829A1 - Bodywork component having an optical element fitted by snap-fastening - Google Patents

Bodywork component having an optical element fitted by snap-fastening

Info

Publication number
EP3717829A1
EP3717829A1 EP18811537.2A EP18811537A EP3717829A1 EP 3717829 A1 EP3717829 A1 EP 3717829A1 EP 18811537 A EP18811537 A EP 18811537A EP 3717829 A1 EP3717829 A1 EP 3717829A1
Authority
EP
European Patent Office
Prior art keywords
optical element
wall
slot
shoulder
outer face
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
EP18811537.2A
Other languages
German (de)
French (fr)
Other versions
EP3717829B1 (en
Inventor
Bertrand Hache
Stéphane GUILLIER
Issam KHAYAT
Aurélie HERNANDEZ
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.)
Plastic Omnium SE
Original Assignee
Plastic Omnium SE
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 Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of EP3717829A1 publication Critical patent/EP3717829A1/en
Application granted granted Critical
Publication of EP3717829B1 publication Critical patent/EP3717829B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/27—Attachment thereof

Definitions

  • the invention relates to the field of the automotive industry, and more particularly to a motor vehicle body part comprising an optical element.
  • the chrome strips running along the side of the vehicle, the sill protectors, the logo of the brand, the door handles hubcaps, the hulls of mirrors are these pieces of style whose design is the subject of special care on the part of the designers of the vehicle.
  • all parts of the body visible from the outside and participating in the general appearance of the vehicle, such as an opening, a bumper, a grille, can also be considered as bodywork elements or style parts within the scope of the invention.
  • optical elements include light sources placed directly under the transparent surface.
  • light devices comprising light sources disposed in cavities formed in a diffusing body. When the light source is on, the light passes through the transparent element and the entire element is illuminated.
  • the invention aims to overcome the disadvantages mentioned above, by providing a motor vehicle body part provided with a flexible and transparent optical element adapted to be reported in the skin of a large body part. without play or outcrop.
  • the invention relates to a bodywork part of a motor vehicle, comprising a wall having an outer face, an inner face, and at least one slot.
  • the part comprises an optical element provided with a body attached in the slot by elastic casing, the optical element comprising at least a portion of transparent or translucent material capable of transmitting light from the inner face to the outer face of the wall.
  • the part according to the invention thus allows an assembly in full body skin, without play or outcrop. Thanks to the flexibility of the optical element, it is possible to follow the curve of the bodywork part more easily.
  • the part of the invention also allows to retain the absorption characteristics of plastic body parts without adding stiffness due to a stack of plastic parts.
  • the part may further comprise one or more of the following features, taken alone or in combination:
  • the optical element has a flexibility able to allow him to follow a curve of the piece
  • the body comprises a surface forming a shoulder in contact with the outer face of the wall;
  • the shoulder comprises at least one protrusion fitting into a shape complementary to the wall, so as to prevent opening of the slot;
  • the body comprises at least one fastening clip making it possible to assemble the body by elastic coupling, and cooperating with the shoulder so that the engagement of the optical element in the slot comes to exert a counter-force to hold in sandwich the thickness of the wall under the shoulder;
  • the fixing clip makes it possible to permanently assemble the optical element on the bodywork part
  • the fixing clip makes it possible to dismountably assemble the optical element on the bodywork part
  • the fastening clip comprises a protrusion fitting into a shape complementary to the wall, so as to prevent opening of the slot;
  • the outer face of the wall has a partial recess at the edge of the slot, and the shoulder engages in the recess without apparent assembly play;
  • the body has a cavity on its opposite side to the shoulder, providing the optical element with a p-shaped cross section;
  • the slot and the optical element are elongate
  • the slot does not come into contact with one of the edges of the coin
  • the optical element is made of polycarbonate mixed with an elastomer type additive, such as TPU;
  • the optical element is made of transparent polypropylene, or any transparent or translucent material
  • the optical element is adapted to be assembled by insertion into the bodywork part by the outer face of the wall;
  • the piece comprises a light element whose light is transmitted via the optical element to the outside of the vehicle, when the part is mounted on a vehicle.
  • FIG. 1 illustrates an example of a motor vehicle body part according to the invention, comprising a wall, a slot and a flexible optical element attached in the slot by elastic casing;
  • FIG. 2 illustrates a motor vehicle comprising a plurality of bodywork parts according to the invention
  • FIGS. 3A and 3B illustrate two examples of detail of an optical element
  • FIGS. 4A and 4B illustrate two examples of detail of a flexible optical element
  • FIG. 5 illustrates a cross section of a portion of a first example of a motor vehicle body part according to the invention
  • FIGS. 6A and 6B illustrate in detail two embodiments of the engagement of a protuberance of the optical element in the wall;
  • Figure 7 illustrates a cross section of a portion of a second example of a motor vehicle body part according to the invention
  • FIG. 8 illustrates the diffraction of the light emitted by a source as it passes through the optical element
  • Figure 9 illustrates a part with reflectors on each side of the light source.
  • FIG. 1 illustrates an example of a body part 10 of a motor vehicle according to the invention.
  • the body part 10 has a wall 20 having an outer face 22 and an inner face 24.
  • the outer face 22 is visible from the outside of the vehicle when the part 10 is mounted on a vehicle, unlike the inner face, directed towards inside the vehicle.
  • the wall 20 has at least one slot 30.
  • the slot 30 may be "full skin” that is to say that the slot 30 does not come into contact with one of the edges of the part 10.
  • the part 10 also comprises an optical element 40.
  • the optical element is an element capable of transmitting light from the inner face 24 to the outer face 22 of the wall 20, that is to say towards the outside the vehicle when the part 10 is mounted on a vehicle.
  • FIG. 2 illustrates a motor vehicle comprising several body parts 10 according to the invention, each part comprising an optical element 40.
  • the bodywork part may be a roof, a hood or a door. , a bumper, but it could also be a hatchback for example.
  • the optical element 40 is provided with a body 50 reported in the slot 30 by elastic casing, including the clip type.
  • the casing is sealed.
  • the elastic casing is a method of assembly where the elements are deformed during the introduction.
  • the optical element 40 comprises at least a portion 60 of transparent or translucent material capable of transmitting light from the inner face 24 to the outer face 22 of the wall 20.
  • the plastic element is made of one piece, transparent or translucent material.
  • the transparent or translucent material has the ability to diffuse the light, to distribute it over the entire outer surface of the optical element, and also avoid hot spots.
  • Such an embodiment is illustrated in FIG. on which the angle a indicates the opening angle of the diffusion.
  • Such diffusion can be achieved by adding charges to diffract the light into the plastic of the portion 60.
  • the body 50 can also have a funnel shape.
  • the optical element 40 has a flexibility adapted to allow it to follow the curve of the part 10.
  • a large body part (length greater than 800mm), and having a thickness about 3mm, usually has a curve. Now it is very difficult, if not impossible, to follow such a curve with a rigid optical element, especially when the slot is elongated.
  • An elongated member is a slender, elongate member.
  • the optical element is a member having a length greater than 100 mm, a width of less than 25 mm (preferably between 5 and 10 mm), and a thickness of between 1.5 mm and 5 mm. .
  • the assembly of the elongate optical element 40 and of small section, on the part 10, is made possible by the flexibility of the optical element 40 which conforms to the part 10 which accommodates it.
  • the optical element 40 according to the invention has a flexibility adapted to allow it to follow the curve of the workpiece 10, even if it is large and has an elongated slot also large.
  • the optical element 40 has a flexibility adapted to follow a radius of curvature of the bodywork part.
  • Such flexibility can be achieved by making the optical element 40 polycarbonate mixed with an elastomeric type additive, such as TPU.
  • Such flexibility can also be achieved by making the optical element 40 transparent polypropylene.
  • the optical element 40 according to the invention is perfectly suitable for slits 30.
  • the body 50 comprises a surface forming a shoulder 52 in contact with the outer face 22 of the wall 20.
  • the shoulder 52 is preferably continuous all around the body 50 on the side of the outer face 22 of the wall 20, once the optical element 40 reported in the slot 30.
  • the shoulder 52 has at least one protrusion 54 substantially perpendicular to the external face 22, and fitting into a complementary shape 26 of the wall 20, so as to avoid opening of the slot 30. Indeed, once inserted into the complementary shape 26, the protuberances 54, preferably arranged from and other of the slot 30, all around the slot, retain the wall 20 on both sides of the slot 30.
  • FIG. 6A illustrates a particular embodiment in which the surface of the shoulder 52 in contact with the surface 22 is not parallel with the external surface 22.
  • FIG. 6B illustrates a particular embodiment in which the protuberance 54 is positioned at the end of the shoulder 52.
  • the body 50 comprises at least one fastening clip 56 for assembling the body 50 by elastic casing, and cooperating with the shoulder 52 so that the interlocking of the element 40 in the slot 30 come to exert a counter-effort to pinch, to sandwich the thickness of the wall 20 under the shoulder 52.
  • the fastening clip 56 can be permanently assembled or dismountable optical element 40 on the body part 10.
  • the fastening clip 56 comprises a protrusion 58 substantially perpendicular to the outer face 22 fitting into a complementary shape 28 of the wall 20, so as to prevent opening of the slot 30.
  • the outer face 22 of the wall has a recess 23 partially, that is to say not over the entire thickness of the wall 20, at the edge of the slot 30.
  • the slot 30 and has a cross section substantially T, as illustrated in Figures 1, 5 and 7.Le shoulder 52 fits into the recess 23 without apparent assembly clearance.
  • the shoulder 52 engages in the recess 23 without outcropping: the outer surface of the optical element 40 is flush with the outer surface 22 of the wall 20.
  • the body 50 may comprise a cavity 51 on its face opposite to the shoulder 52, providing the optical element 40 with a cross-section in the form of pi (TT), and increased flexibility.
  • TT pi
  • the optical element 40 is adapted to be assembled by insertion into the bodywork part 10 by the face external 22 of the wall 20, which allows easy assembly on automobile assembly lines.
  • the part 10 comprises a light source 70 whose light is transmitted via the optical element 40 to the outside of the vehicle, when the part 10 is mounted on a vehicle.
  • the light source 70 is placed behind the bodywork part 10, for example behind a bumper skin, but it is not necessarily fixed beforehand on the optical element 40.
  • D represents the distance between the light source 70 and the optical element 40. This distance can vary to zero when the light source 70 is glued to the optical element 40, or when the light source 70 is integrated in the optical element 40.
  • the part 10 comprises reflectors 80 on each side of the source 70 so as to be able to direct the light output of the optical element 40 with an angle not perpendicular to the external surface of the wall 20.
  • the reflectors allow to concentrate the light in order to use a maximum of light emitted by the source.
  • the optical element 40 may be made by means of an extrusion molding process, as illustrated in FIGS. 4A and 4B.
  • the optical element preferably has a thickness greater than 1.2 mm, preferably greater than 1.5 mm for parts of great length (greater than 800 mm). According to this method of manufacture, the clip 56 is present continuously all around the optical element 40 ( Figure 4B), thus promoting a good seal.
  • the optical element 40 can be realized by means of an injection molding process.
  • the optical element preferably has a thickness of between 2 and 3.5 mm for parts of great length and / or height (greater than 200 mm), and greater than 1 2 mm for parts of smaller dimensions.
  • the clip 56 can also be present at the ends and it is possible not to have the profile of the clip over the entire length of the optical element 40, to facilitate installation on the part 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to a motor vehicle bodywork component (10) having a wall (20) that has an external face (22), an internal face (24), and at least one slot (30), characterized in that the component (10) has an optical element (40) provided with a body fitted in the slot (30) by snap-fastening (of the clip type), the optical element (40) having at least one part made of transparent or translucent material that is able to transmit light from the internal face (24) to the external face (22) of the wall (20).

Description

PIÈCE DE CARROSSERIE COMPORTANT UN ÉLÉMENT OPTIQUE RAPPORTÉ PAR EMBOITAGE  BODY PIECE COMPRISING AN OPTICAL ELEMENT REPORTED BY EMBODY
ÉLASTIQUE  ELASTIC
[001] U invention concerne le domaine de l’industrie automobile, et plus particulièrement une pièce de carrosserie de véhicule automobile comportant un élément optique. [001] The invention relates to the field of the automotive industry, and more particularly to a motor vehicle body part comprising an optical element.
[002] On connaît des éléments rapportés sur une pièce de carrosserie ayant notamment pour objet de rehausser une ligne ou de souligner une forme dans le but de renforcer l’image que le constructeur souhaite associer à son modèle de véhicule.  [002] There are known elements reported on a body part whose particular purpose is to enhance a line or emphasize a shape in order to strengthen the image that the manufacturer wants to associate with his vehicle model.
[003] A titre d’exemple, les baguettes chromées courant le long de la partie latérale du véhicule, les protections de bas de caisse, le logo de la marque, les enjoliveurs de poignées de porte, les coques de rétroviseurs sont ces pièces de style dont le design fait l’objet d’un soin particulier de la part des concepteurs du véhicule. Par extension, toutes les pièces de la carrosserie visibles de l’extérieur et participant à l’aspect général du véhicule, telles qu’un ouvrant, un parechoc, une calandre, peuvent être considérées également comme des éléments de carrosserie ou des pièces de style entrant dans le champ d’application de l’invention.  [003] For example, the chrome strips running along the side of the vehicle, the sill protectors, the logo of the brand, the door handles hubcaps, the hulls of mirrors are these pieces of style whose design is the subject of special care on the part of the designers of the vehicle. By extension, all parts of the body visible from the outside and participating in the general appearance of the vehicle, such as an opening, a bumper, a grille, can also be considered as bodywork elements or style parts within the scope of the invention.
[004] Dans le but de renforcer l’effet produit par ces éléments de carrosserie il a été proposé de placer une source lumineuse derrière une surface de l’élément de carrosserie formée d’un matériau transparent. On parle alors d’éléments optiques pour ces éléments de carrosserie.  [004] In order to reinforce the effect produced by these bodywork elements, it has been proposed to place a light source behind a surface of the bodywork element formed of a transparent material. These are called optical elements for these bodywork elements.
[005] Actuellement, la plupart de ces éléments optiques comportent des sources lumineuses placées directement sous la surface transparente. On peut par exemple retrouver des dispositifs lumineux comprenant des sources de lumière disposées dans des cavités pratiquées dans un corps diffusant. Lorsque la source lumineuse est allumée, la lumière traverse l’élément transparent et l’élément tout entier est illuminé.  [005] Currently, most of these optical elements include light sources placed directly under the transparent surface. For example, there can be found light devices comprising light sources disposed in cavities formed in a diffusing body. When the light source is on, the light passes through the transparent element and the entire element is illuminated.
[006] Ces éléments optiques présentent l’inconvénient de devoir préparer un support rigide qui soit parfaitement adapté au logement présent dans la pièce de carrosserie. Ainsi, il est difficile d’adapter cette solution à tous types de logements de manière aisée.  [006] These optical elements have the disadvantage of having to prepare a rigid support that is perfectly adapted to the housing present in the bodywork part. Thus, it is difficult to adapt this solution to all types of housing easily.
[007] De plus, l'assemblage de tels éléments optiques sur des peaux de carrosserie, a l'inconvénient de mettre en évidence des jeux d'assemblage et des affleurements importants, incompatible avec la qualité visuelle requise pour un véhicule automobile.  [007] In addition, the assembly of such optical elements on body skin, has the disadvantage of highlighting assembling games and important outcrops, incompatible with the visual quality required for a motor vehicle.
[008] Ce problème est d’autant plus important pour de grandes pièces de carrosserie lorsque l’élément optique doit être de grande taille. En effet, la seule possibilité pour rapporter un tel élément optique longiligne est de prévoir une fente longiligne dans la pièce de carrosserie pour l’accueillir. Or, une telle fente, de par la souplesse de la paroi de la pièce, a tendance à s’ouvrir, accentuant ainsi les jeux et/ou les affleurements. [009] Ce problème peut être résolu pour des pièces non transparentes, en utilisant des points d'accroche avec la paroi de la pièce, car ces derniers ne seraient pas visibles depuis l’extérieur du véhicule. Mais pour un élément optique, il est nécessaire que la lumière ne soit pas perturbée par des éléments tels que des éléments d’accroche, la lumière devant être homogène sur toute la longueur de l’élément optique. [008] This problem is all the more important for large body parts when the optical element must be large. Indeed, the only possibility to report such an elongated optical element is to provide an elongated slot in the bodywork part to accommodate it. However, such a slot, due to the flexibility of the wall of the room, tends to open, thus accentuating the games and / or the outcrops. [009] This problem can be solved for non-transparent parts, using points of attachment with the wall of the part, because they would not be visible from outside the vehicle. But for an optical element, it is necessary that the light is not disturbed by elements such as hanging elements, the light to be homogeneous over the entire length of the optical element.
[0010] L’invention a pour objet de s’affranchir des inconvénients évoqués précédemment, en fournissant une pièce de carrosserie de véhicule automobile munie d’un élément optique souple et transparent apte à être rapporté en pleine peau d’une grande pièce de carrosserie, sans jeu ni affleurement.  The invention aims to overcome the disadvantages mentioned above, by providing a motor vehicle body part provided with a flexible and transparent optical element adapted to be reported in the skin of a large body part. without play or outcrop.
[0011] De façon générale, l’invention concerne une pièce de carrosserie de véhicule automobile, comportant une paroi possédant une face externe, une face interne, et au moins une fente. La pièce comporte un élément optique muni d’un corps rapporté dans la fente par emboîtage élastique, l’élément optique comportant au moins une partie en matière transparente ou translucide apte à transmettre une lumière depuis la face interne vers la face externe de la paroi.  In general, the invention relates to a bodywork part of a motor vehicle, comprising a wall having an outer face, an inner face, and at least one slot. The part comprises an optical element provided with a body attached in the slot by elastic casing, the optical element comprising at least a portion of transparent or translucent material capable of transmitting light from the inner face to the outer face of the wall.
[0012] La pièce selon l’invention permet ainsi un assemblage en pleine peau de carrosserie, sans jeu ni affleurement. Grâce à la souplesse de l’élément optique, il est possible de suivre le galbe de la pièce de carrosserie plus facilement.  The part according to the invention thus allows an assembly in full body skin, without play or outcrop. Thanks to the flexibility of the optical element, it is possible to follow the curve of the bodywork part more easily.
[0013] La pièce selon l’invention permet également de conserver les caractéristiques d'absorption des pièces de carrosserie en plastique sans ajouter de raideur due à un empilage de pièces plastique.  The part of the invention also allows to retain the absorption characteristics of plastic body parts without adding stiffness due to a stack of plastic parts.
[0014] La pièce peut en outre comporter l'une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison :  The part may further comprise one or more of the following features, taken alone or in combination:
l’élément optique possède une souplesse apte à lui permettre de suivre un galbe de la pièce ;  the optical element has a flexibility able to allow him to follow a curve of the piece;
le corps comprend une surface formant un épaulement en contact avec la face externe de la paroi ;  the body comprises a surface forming a shoulder in contact with the outer face of the wall;
l’épaulement comporte au moins une protubérance s’emboîtant dans une forme complémentaire de la paroi, de façon à éviter une ouverture de la fente ;  the shoulder comprises at least one protrusion fitting into a shape complementary to the wall, so as to prevent opening of the slot;
le corps comporte au moins un clip de fixation permettant d'assembler le corps par emboîtage élastique, et coopérant avec l’épaulement de façon à ce que l'emboitement de l'élément optique dans la fente viennent exercer un contre-effort pour tenir en sandwich l'épaisseur de la paroi sous l’épaulement ;  the body comprises at least one fastening clip making it possible to assemble the body by elastic coupling, and cooperating with the shoulder so that the engagement of the optical element in the slot comes to exert a counter-force to hold in sandwich the thickness of the wall under the shoulder;
le clip de fixation permet d’assembler de manière définitive l’élément optique sur la pièce de carrosserie ; the fixing clip makes it possible to permanently assemble the optical element on the bodywork part;
le clip de fixation permet d’assembler de manière démontable l’élément optique sur la pièce de carrosserie ;  the fixing clip makes it possible to dismountably assemble the optical element on the bodywork part;
le clip de fixation comporte une protubérance s’emboîtant dans une forme complémentaire de la paroi, de façon à éviter une ouverture de la fente ;  the fastening clip comprises a protrusion fitting into a shape complementary to the wall, so as to prevent opening of the slot;
la face externe de la paroi comporte un évidement partiel en bordure de la fente, et l’épaulement s’emboîte dans l’évidement sans jeu d’assemblage apparent ;  the outer face of the wall has a partial recess at the edge of the slot, and the shoulder engages in the recess without apparent assembly play;
l’épaulement s’emboîte dans l’évidement sans affleurement ;  the shoulder fits into the recess without outcropping;
le corps comporte une cavité sur sa face opposée à l’épaulement, procurant à l’élément optique une section transversale en forme de p ;  the body has a cavity on its opposite side to the shoulder, providing the optical element with a p-shaped cross section;
la fente et l’élément optique sont longilignes ;  the slot and the optical element are elongate;
la fente ne vient pas en contact avec l’un des bords de la pièce ;  the slot does not come into contact with one of the edges of the coin;
l’élément optique est réalisé en polycarbonate mélangé à un additif de type élastomère, tel que le TPU ;  the optical element is made of polycarbonate mixed with an elastomer type additive, such as TPU;
l’élément optique est réalisé en polypropylène transparent, ou toute matière transparente ou translucide ;  the optical element is made of transparent polypropylene, or any transparent or translucent material;
l'élément optique est apte à être assemblé par insertion dans la pièce de carrosserie par la face externe de la paroi ;  the optical element is adapted to be assembled by insertion into the bodywork part by the outer face of the wall;
la pièce comporte un élément lumineux dont la lumière est transmise via l’élément optique vers l’extérieur du véhicule, lorsque la pièce est montée sur un véhicule.  the piece comprises a light element whose light is transmitted via the optical element to the outside of the vehicle, when the part is mounted on a vehicle.
[0015] L'invention sera mieux comprise à la lecture des figures annexées, qui sont fournies à titre d'exemples et ne présentent aucun caractère limitatif, dans lesquelles :  The invention will be better understood on reading the appended figures, which are provided by way of examples and are in no way limiting, in which:
la figure 1 illustre un exemple de pièce de carrosserie de véhicule automobile selon l’invention, comportant une paroi, une fente et un élément optique souple rapporté dans la fente par emboîtage élastique ;  FIG. 1 illustrates an example of a motor vehicle body part according to the invention, comprising a wall, a slot and a flexible optical element attached in the slot by elastic casing;
la figure 2 illustre un véhicule automobile comportant plusieurs pièce de carrosserie selon l’invention ;  FIG. 2 illustrates a motor vehicle comprising a plurality of bodywork parts according to the invention;
les figures 3A et 3B illustrent deux exemples de détail d’un l’élément optique ;  FIGS. 3A and 3B illustrate two examples of detail of an optical element;
les figures 4A et 4B illustrent deux exemples de détail d’un l’élément optique souple ; la figure 5 illustre une coupe transversale d’une partie d’un premier exemple de pièce de carrosserie de véhicule automobile selon l’invention ; les figures 6A et 6B illustrent en détail deux modes de réalisation de l’emboitement d’une protubérance de l’élément optique dans la paroi ; Figures 4A and 4B illustrate two examples of detail of a flexible optical element; FIG. 5 illustrates a cross section of a portion of a first example of a motor vehicle body part according to the invention; FIGS. 6A and 6B illustrate in detail two embodiments of the engagement of a protuberance of the optical element in the wall;
la figure 7 illustre une coupe transversale d’une partie d’un second exemple de pièce de carrosserie de véhicule automobile selon l’invention ;  Figure 7 illustrates a cross section of a portion of a second example of a motor vehicle body part according to the invention;
la figure 8 illustre la diffraction de la lumière émise par une source lorsqu’elle traverse l’élément optique ;  FIG. 8 illustrates the diffraction of the light emitted by a source as it passes through the optical element;
la figure 9 illustre une pièce comportant des réflecteurs de chaque côté de la source lumineuse.  Figure 9 illustrates a part with reflectors on each side of the light source.
[0016] On se réfère maintenant à la figure 1 qui illustre un exemple de pièce 10 de carrosserie de véhicule automobile selon l’invention. La pièce 10 de carrosserie comporte une paroi 20 possédant une face externe 22 et une face interne 24. La face externe 22 est visible depuis l’extérieur du véhicule lorsque la pièce 10 est montée sur un véhicule, contrairement à la face interne, dirigée vers l’intérieur du véhicule.  Referring now to Figure 1 which illustrates an example of a body part 10 of a motor vehicle according to the invention. The body part 10 has a wall 20 having an outer face 22 and an inner face 24. The outer face 22 is visible from the outside of the vehicle when the part 10 is mounted on a vehicle, unlike the inner face, directed towards inside the vehicle.
[0017] La paroi 20 comporte au moins une fente 30. La fente 30 peut-être « pleine peau » c’est-à-dire que la fente 30 ne vient pas en contact avec l’un des bords de la pièce 10.  The wall 20 has at least one slot 30. The slot 30 may be "full skin" that is to say that the slot 30 does not come into contact with one of the edges of the part 10.
[0018] La pièce 10 comporte également un élément optique 40. L’élément optique est un élément apte à transmettre une lumière depuis la face interne 24 vers la face externe 22 de la paroi 20, c’est-à-dire vers l’extérieur du véhicule lorsque la pièce 10 est montée sur un véhicule.  The part 10 also comprises an optical element 40. The optical element is an element capable of transmitting light from the inner face 24 to the outer face 22 of the wall 20, that is to say towards the outside the vehicle when the part 10 is mounted on a vehicle.
[0019] La figure 2 illustre un véhicule automobile comportant plusieurs pièces 10 de carrosserie selon l’invention, chaque pièce comportant un élément optique 40. Comme illustré sur la figure 2, la pièce de carrosserie peut être un toit, un capot, une portière, un parechoc, mais elle pourrait également être un hayon par exemple.  [0019] FIG. 2 illustrates a motor vehicle comprising several body parts 10 according to the invention, each part comprising an optical element 40. As illustrated in FIG. 2, the bodywork part may be a roof, a hood or a door. , a bumper, but it could also be a hatchback for example.
[0020] Comme l’illustrent les figures 3A et 3B, l’élément optique 40 est muni d’un corps 50 rapporté dans la fente 30 par emboîtage élastique, notamment du type clip. De préférence, l’emboitage est étanche. L'emboîtage élastique est un mode d'assemblage où les éléments sont déformés lors de l'introduction.  As illustrated in Figures 3A and 3B, the optical element 40 is provided with a body 50 reported in the slot 30 by elastic casing, including the clip type. Preferably, the casing is sealed. The elastic casing is a method of assembly where the elements are deformed during the introduction.
[0021] L’élément optique 40 comporte au moins une partie 60 en matière transparente ou translucide apte à transmettre une lumière depuis la face interne 24 vers la face externe 22 de la paroi 20. De préférence, l’élément plastique est réalisé d’une seule pièce, en matière transparente ou translucide.  The optical element 40 comprises at least a portion 60 of transparent or translucent material capable of transmitting light from the inner face 24 to the outer face 22 of the wall 20. Preferably, the plastic element is made of one piece, transparent or translucent material.
[0022] Selon un mode avantageux, la matière transparente ou translucide a la capacité à diffuser la lumière, afin de la répartir sur toute la surface extérieure de l’élément optique, et également éviter les points chauds. Un tel mode de réalisation est illustré sur la figure 8, sur laquelle l’angle a indique l’angle d’ouverture de la diffusion. Une telle diffusion peut être obtenue en ajoutant des charges permettant de diffracter la lumière dans la matière plastique de la partie 60. Pour diffuser la lumière, le corps 50 peut également avoir une forme d’entonnoir. According to an advantageous embodiment, the transparent or translucent material has the ability to diffuse the light, to distribute it over the entire outer surface of the optical element, and also avoid hot spots. Such an embodiment is illustrated in FIG. on which the angle a indicates the opening angle of the diffusion. Such diffusion can be achieved by adding charges to diffract the light into the plastic of the portion 60. To diffuse the light, the body 50 can also have a funnel shape.
[0023] Comme l’illustre la figure 4A, l’élément optique 40 possède une souplesse apte à lui permettre de suivre le galbe de la pièce 10. Une pièce de carrosserie de grande dimension (longueur supérieure à 800mm), et ayant une épaisseur d’environ 3mm, comporte généralement un galbe. Or il est très difficile, voire impossible, de suivre un tel galbe avec un élément optique rigide, notamment lorsque la fente est longiligne. Un élément longiligne est un membre allongé et mince. Pour une pièce de carrosserie selon l’invention, l’élément optique est un membre ayant une longueur supérieure à 100mm, une largeur inférieure à 25mm (de préférence comprise entre 5 et 10mm), et une épaisseur comprise entre 1 ,5 mm et 5mm.  As illustrated in Figure 4A, the optical element 40 has a flexibility adapted to allow it to follow the curve of the part 10. A large body part (length greater than 800mm), and having a thickness about 3mm, usually has a curve. Now it is very difficult, if not impossible, to follow such a curve with a rigid optical element, especially when the slot is elongated. An elongated member is a slender, elongate member. For a bodywork part according to the invention, the optical element is a member having a length greater than 100 mm, a width of less than 25 mm (preferably between 5 and 10 mm), and a thickness of between 1.5 mm and 5 mm. .
[0024] L’assemblage de l’élément optique 40 longiligne et de faible section, sur la pièce 10, est rendu possible grâce à la souplesse de l’élément optique 40 qui se conforme à la pièce 10 qui l'accueille.  The assembly of the elongate optical element 40 and of small section, on the part 10, is made possible by the flexibility of the optical element 40 which conforms to the part 10 which accommodates it.
[0025] Ainsi, l’élément optique 40 selon l’invention possède une souplesse apte à lui permettre de suivre le galbe de la pièce 10, même si celle-ci est de grande dimension et possède une fente longiligne également de grande dimension.  Thus, the optical element 40 according to the invention has a flexibility adapted to allow it to follow the curve of the workpiece 10, even if it is large and has an elongated slot also large.
[0026] L’élément optique 40 comporte une souplesse apte à suivre un rayon de courbure de la pièce de carrosserie.  The optical element 40 has a flexibility adapted to follow a radius of curvature of the bodywork part.
[0027] Une telle souplesse peut être obtenue en réalisant l’élément optique 40 en polycarbonate mélangé à un additif de type élastomère, tel que du TPU.  Such flexibility can be achieved by making the optical element 40 polycarbonate mixed with an elastomeric type additive, such as TPU.
[0028] Une telle souplesse peut également être obtenue en réalisant l’élément optique 40 en polypropylène transparent.  Such flexibility can also be achieved by making the optical element 40 transparent polypropylene.
[0029] De par sa souplesse, l’élément optique 40 selon l’invention est parfaitement adapté pour des fentes longilignes 30.  By its flexibility, the optical element 40 according to the invention is perfectly suitable for slits 30.
[0030] Selon un mode de réalisation préféré, le corps 50 comprend une surface formant un épaulement 52 en contact avec la face externe 22 de la paroi 20.  According to a preferred embodiment, the body 50 comprises a surface forming a shoulder 52 in contact with the outer face 22 of the wall 20.
[0031] L’épaulement 52 est de préférence continu sur tout le pourtour du corps 50 du côté de la face externe 22 de la paroi 20, une fois l’élément optique 40 rapporté dans la fente 30.  The shoulder 52 is preferably continuous all around the body 50 on the side of the outer face 22 of the wall 20, once the optical element 40 reported in the slot 30.
[0032] Comme l’illustre la figure 5, sur laquelle les flèches représentent la lumière émise, l’épaulement 52 comporte au moins une protubérance 54 sensiblement perpendiculaire à la face externe 22, et s’emboîtant dans une forme complémentaire 26 de la paroi 20, de façon à éviter une ouverture de la fente 30. En effet, une fois insérée dans la forme complémentaire 26, les protubérances 54, de préférence disposées de part et d’autre de la fente 30, sur tout le pourtour de la fente, retiennent la paroi 20 de part et d’autre de la fente 30. As shown in Figure 5, in which the arrows represent the emitted light, the shoulder 52 has at least one protrusion 54 substantially perpendicular to the external face 22, and fitting into a complementary shape 26 of the wall 20, so as to avoid opening of the slot 30. Indeed, once inserted into the complementary shape 26, the protuberances 54, preferably arranged from and other of the slot 30, all around the slot, retain the wall 20 on both sides of the slot 30.
[0033] La figure 6A illustre un mode de réalisation particulier selon lequel la surface de l’épaulement 52 en contact avec la surface 22 n’est pas parallèle avec la surface externe 22.  FIG. 6A illustrates a particular embodiment in which the surface of the shoulder 52 in contact with the surface 22 is not parallel with the external surface 22.
[0034] La figure 6B illustre un mode de réalisation particulier selon lequel la protubérance 54 est positionnée à l’extrémité de l’épaulement 52.  FIG. 6B illustrates a particular embodiment in which the protuberance 54 is positioned at the end of the shoulder 52.
[0035] Selon un exemple de réalisation, le corps 50 comporte au moins un clip de fixation 56 permettant d'assembler le corps 50 par emboîtage élastique, et coopérant avec l’épaulement 52 de façon à ce que l'emboîtement de l'élément optique 40 dans la fente 30 viennent exercer un contre-effort pour pincer, tenir en sandwich l'épaisseur de la paroi 20 sous l’épaulement 52.  According to an exemplary embodiment, the body 50 comprises at least one fastening clip 56 for assembling the body 50 by elastic casing, and cooperating with the shoulder 52 so that the interlocking of the element 40 in the slot 30 come to exert a counter-effort to pinch, to sandwich the thickness of the wall 20 under the shoulder 52.
[0036] Le clip de fixation 56 permet d’assembler de manière définitive ou démontable l’élément optique 40 sur la pièce 10 de carrosserie.  The fastening clip 56 can be permanently assembled or dismountable optical element 40 on the body part 10.
[0037] Selon un mode de réalisation illustré sur la figure 7, sur laquelle les flèches représentent la lumière émise, le clip de fixation 56 comporte une protubérance 58 sensiblement perpendiculaire à la face externe 22 s’emboîtant dans une forme complémentaire 28 de la paroi 20, de façon à éviter une ouverture de la fente 30.  According to an embodiment illustrated in Figure 7, in which the arrows represent the emitted light, the fastening clip 56 comprises a protrusion 58 substantially perpendicular to the outer face 22 fitting into a complementary shape 28 of the wall 20, so as to prevent opening of the slot 30.
[0038] Selon un mode de réalisation préféré, la face externe 22 de la paroi comporte un évidement 23 partiel, c’est-à-dire pas sur toute l’épaisseur de la paroi 20, en bordure de la fente 30. La fente 30 a ainsi une section transversale sensiblement en T, comme l’illustrent les figures 1 , 5 et 7.L’épaulement 52 s’emboîte dans l’évidement 23 sans jeu d’assemblage apparent.  According to a preferred embodiment, the outer face 22 of the wall has a recess 23 partially, that is to say not over the entire thickness of the wall 20, at the edge of the slot 30. The slot 30 and has a cross section substantially T, as illustrated in Figures 1, 5 and 7.Le shoulder 52 fits into the recess 23 without apparent assembly clearance.
[0039] De préférence, l’épaulement 52 s’emboîte dans l’évidement 23 sans affleurement : la surface externe de l’élément optique 40 est affleurante avec la surface externe 22 de la paroi 20.  Preferably, the shoulder 52 engages in the recess 23 without outcropping: the outer surface of the optical element 40 is flush with the outer surface 22 of the wall 20.
[0040] Comme l’illustrent les figures 3B et 4B, le corps 50 peut comporter une cavité 51 sur sa face opposée à l’épaulement 52, procurant à l’élément optique 40 une section transversale en forme de pi (TT), et une souplesse accrue.  As illustrated in FIGS. 3B and 4B, the body 50 may comprise a cavity 51 on its face opposite to the shoulder 52, providing the optical element 40 with a cross-section in the form of pi (TT), and increased flexibility.
[0041] Conformément aux modes de réalisation illustrés sur les figures, l'élément optique 40 est apte à être assemblé par insertion dans la pièce 10 de carrosserie par la face externe 22 de la paroi 20, ce qui permet un assemblage aisé sur des chaînes de montage automobile. According to the embodiments illustrated in the figures, the optical element 40 is adapted to be assembled by insertion into the bodywork part 10 by the face external 22 of the wall 20, which allows easy assembly on automobile assembly lines.
[0042] Enfin, la pièce 10 comporte une source lumineuse 70 dont la lumière est transmise via l’élément optique 40 vers l’extérieur du véhicule, lorsque la pièce 10 est montée sur un véhicule. La source lumineuse 70 est placée derrière la pièce 10 de carrosserie, par exemple derrière une peau de parechoc, mais elle n'est pas forcément fixée au préalable sur l’élément optique 40.  Finally, the part 10 comprises a light source 70 whose light is transmitted via the optical element 40 to the outside of the vehicle, when the part 10 is mounted on a vehicle. The light source 70 is placed behind the bodywork part 10, for example behind a bumper skin, but it is not necessarily fixed beforehand on the optical element 40.
[0043] Sur la figure 7, D représente la distance entre la source lumineuse 70 et l’élément optique 40. Cette distance peut varier jusqu’à être nulle lorsque la source lumineuse 70 est collée à l’élément optique 40, ou lorsque la source lumineuse 70 est intégrée dans l’élément optique 40.  In FIG. 7, D represents the distance between the light source 70 and the optical element 40. This distance can vary to zero when the light source 70 is glued to the optical element 40, or when the light source 70 is integrated in the optical element 40.
[0044] Selon un mode de réalisation, illustré sur la figure 9, la pièce 10 comporte des réflecteurs 80 de chaque côté de la source 70 afin de pouvoir diriger la lumière en sortie de l’élément optique 40 avec un angle non perpendiculaire à la surface externe de la paroi 20. Les réflecteurs permettent de concentrer la lumière afin d’utiliser un maximum de lumière émise par la source.  According to one embodiment, illustrated in Figure 9, the part 10 comprises reflectors 80 on each side of the source 70 so as to be able to direct the light output of the optical element 40 with an angle not perpendicular to the external surface of the wall 20. The reflectors allow to concentrate the light in order to use a maximum of light emitted by the source.
[0045] Fabrication de l’élément optique 40  Manufacturing of the optical element 40
[0046] L’élément optique 40 peut être réalisé au moyen d’un procédé de moulage par extrusion, comme illustré sur les figures 4A et 4B. L’élément optique a de préférence une épaisseur supérieure à 1.2mm, de préférence supérieure à 1.5mm pour des pièces de grande longueur (supérieure à 800mm). Selon ce mode de fabrication, le clip 56 est présent de façon continue sur tout le pourtour de l’élément optique 40 (figure 4B), favorisant ainsi une bonne étanchéité.  The optical element 40 may be made by means of an extrusion molding process, as illustrated in FIGS. 4A and 4B. The optical element preferably has a thickness greater than 1.2 mm, preferably greater than 1.5 mm for parts of great length (greater than 800 mm). According to this method of manufacture, the clip 56 is present continuously all around the optical element 40 (Figure 4B), thus promoting a good seal.
[0047] L’élément optique 40 peut être réalisé au moyen d’un procédé de moulage par injection. L’élément optique a de préférence une épaisseur comprise entre 2 et 3.5mm pour des pièces de grande longueur et/ou hauteur (supérieure à 200mm), et supérieure à 1 2mm pour des pièces de plus petites dimensions. Selon ce mode de fabrication, le clip 56 peut aussi présent aux extrémités et il est possible de ne pas avoir le profil du clip sur toute la longueur de l’élément optique 40, pour faciliter la pose sur la pièce 10. NOMENCLATURE The optical element 40 can be realized by means of an injection molding process. The optical element preferably has a thickness of between 2 and 3.5 mm for parts of great length and / or height (greater than 200 mm), and greater than 1 2 mm for parts of smaller dimensions. According to this method of manufacture, the clip 56 can also be present at the ends and it is possible not to have the profile of the clip over the entire length of the optical element 40, to facilitate installation on the part 10. NOMENCLATURE
10 pièce de carrosserie de véhicule automobile 10 piece of bodywork of a motor vehicle
20 paroi de la pièce de carrosserie 10 20 wall of the bodywork part 10
22 face externe de la paroi 20 22 outer face of the wall 20
23 évidement de la paroi 20  23 recess of the wall 20
24 face interne de la paroi 20  24 inner face of the wall 20
26 forme complémentaire de la paroi 20 dans laquelle s’emboîte la protubérance 54 28 forme complémentaire de la paroi 20 dans laquelle s’emboîte la protubérance 58 30 fente de la paroi 20 26 complementary shape of the wall 20 in which fits the protuberance 54 28 complementary shape of the wall 20 in which fits the protuberance 58 30 slot of the wall 20
40 élément optique  40 optical element
50 corps de l’élément optique 40  50 bodies of optical element 40
51 cavité du corps 50  51 body cavity 50
52 épaulement du corps 50 de l’élément optique 40  52 shoulder of the body 50 of the optical element 40
54 protubérance de l’épaulement 52 54 protrusion of the shoulder 52
56 clip de fixation  56 fixing clip
58 protubérance du clip de fixation 56 58 protrusion of the fastening clip 56
60 partie de l’élément optique 40 en matière transparente ou translucide 60 part of the optical element 40 in transparent or translucent material
70 source lumineuse 70 light source
80 réflecteurs associés à la source lumineuse 70 80 reflectors associated with the light source 70

Claims

REVENDICATIONS
1. Pièce (10) de carrosserie de véhicule automobile, comportant une paroi (20) possédant une face externe (22), une face interne (24), et au moins une fente (30), caractérisée en ce que la pièce (10) comporte un élément optique (40) muni d’un corps (50) rapporté dans la fente (30) par emboîtage élastique, l’élément optique (40) comportant au moins une partie (60) en matière transparente ou translucide apte à transmettre une lumière depuis la face interne (24) vers la face externe (22) de la paroi (20). Motor vehicle bodywork part (10), comprising a wall (20) having an outer face (22), an inner face (24), and at least one slot (30), characterized in that the piece (10) ) comprises an optical element (40) provided with a body (50) attached in the slot (30) by resiliently fitting, the optical element (40) comprising at least a portion (60) of transparent or translucent material capable of transmitting a light from the inner face (24) to the outer face (22) of the wall (20).
2. Pièce (10) selon la revendication 1 , dans laquelle l’élément optique (40) possède une souplesse apte à lui permettre de suivre un galbe de la pièce (10).  2. Part (10) according to claim 1, wherein the optical element (40) has a flexibility adapted to enable him to follow a curve of the workpiece (10).
3. Pièce (10) selon l’une des revendications précédentes, dans laquelle le corps (50) comprend une surface formant un épaulement (52) en contact avec la face externe (22) de la paroi (20).  3. Part (10) according to one of the preceding claims, wherein the body (50) comprises a surface forming a shoulder (52) in contact with the outer face (22) of the wall (20).
4. Pièce (10) selon la revendication précédente, dans laquelle l’épaulement (52) comporte au moins une protubérance (54) (sensiblement perpendiculaire à la face externe) s’emboîtant dans une forme complémentaire (26) de la paroi (20), de façon à éviter une ouverture de la fente (30).  4. Part (10) according to the preceding claim, wherein the shoulder (52) comprises at least one protrusion (54) (substantially perpendicular to the outer face) fitting into a complementary shape (26) of the wall (20). ), so as to prevent opening of the slot (30).
5. Pièce (10) selon l’une des revendications 3 et 4, dans laquelle le corps (50) comporte au moins un clip de fixation (56) permettant d'assembler le corps (50) par emboîtage élastique, et coopérant avec l’épaulement (52) de façon à ce que l'emboîtement de l'élément optique (40) dans la fente (30) viennent exercer un contre-effort pour tenir en sandwich (pincer) l'épaisseur de la paroi (20) sous l’épaulement (52).  5. Part (10) according to one of claims 3 and 4, wherein the body (50) comprises at least one fastening clip (56) for assembling the body (50) by elastic casing, and cooperating with the shoulder (52) so that the interlocking of the optical element (40) in the slot (30) comes to exert a counter-force to sandwich (pinch) the thickness of the wall (20) under the shoulder (52).
6. Pièce (10) selon la revendication 5, dans laquelle le clip de fixation (56) permet d’assembler de manière définitive l’élément optique (40) sur la pièce (10) de carrosserie.  6. Part (10) according to claim 5, wherein the fastening clip (56) allows to permanently assemble the optical element (40) on the part (10) of bodywork.
7. Pièce (10) selon la revendication 5, dans laquelle le clip de fixation (56) permet d’assembler de manière démontable l’élément optique (40) sur la pièce (10) de carrosserie.  7. Part (10) according to claim 5, wherein the fastening clip (56) can removably assemble the optical element (40) on the body part (10).
8. Pièce (10) selon l’une des revendications 5 à 7, dans laquelle le clip de fixation (56) comporte une protubérance (58) s’emboîtant dans une forme complémentaire (28) de la paroi (20), de façon à éviter une ouverture de la fente (30).  8. Part (10) according to one of claims 5 to 7, wherein the fastening clip (56) comprises a protrusion (58) fitting into a complementary shape (28) of the wall (20), so that to prevent opening of the slot (30).
9. Pièce (10) selon l’une des revendications précédentes, dans laquelle la face externe (22) de la paroi comporte un évidement (23) partiel en bordure de la fente (30), et l’épaulement (52) s’emboîte dans l’évidement (23) sans jeu d’assemblage apparent. 9. Part (10) according to one of the preceding claims, wherein the outer face (22) of the wall has a recess (23) partial edge of the slot (30), and the shoulder (52) s' fits in the recess (23) without apparent assembly play.
10. Pièce (10) selon la revendication précédente, dans laquelle l’épaulement (52) s’emboîte dans l’évidement (23) sans affleurement. 10. Part (10) according to the preceding claim, wherein the shoulder (52) engages in the recess (23) without outcropping.
11 . Pièce (10) selon l’une des revendications précédentes, dans laquelle le corps (50) comporte une cavité (51 ) sur sa face opposée à l’épaulement (52), procurant à l’élément optique (40) une section transversale en forme de TT. 11. Part (10) according to one of the preceding claims, wherein the body (50) has a cavity (51) on its opposite side to the shoulder (52), providing the optical element (40) with a cross section in the form of TT.
12. Pièce (10) selon l’une des revendications précédentes, dans laquelle la fente (30) et l’élément optique (40) sont longilignes.  12. Part (10) according to one of the preceding claims, wherein the slot (30) and the optical element (40) are elongated.
13. Pièce (10) selon l’une des revendications précédentes, dans laquelle la fente (30) ne vient pas en contact avec l’un des bords de la pièce (10). 13. Part (10) according to one of the preceding claims, wherein the slot (30) does not come into contact with one of the edges of the part (10).
14. Pièce (10) selon l’une des revendications 1 à 13, dans lequel l’élément optique (40) est réalisé en polycarbonate mélangé à un additif de type élastomère, tel que le TPU. 14. Part (10) according to one of claims 1 to 13, wherein the optical element (40) is made of polycarbonate mixed with an elastomeric type additive, such as TPU.
15. Pièce (10) selon l’une des revendications 1 à 13, dans lequel l’élément optique (40) est réalisé en polypropylène transparent, ou toute matière transparente ou translucide.15. Part (10) according to one of claims 1 to 13, wherein the optical element (40) is made of transparent polypropylene, or any transparent or translucent material.
16. Pièce (10) selon l’une des revendications précédentes, dans lequel l'élément optique (40) est apte à être assemblé par insertion dans la pièce (10) de carrosserie par la face externe (22) de la paroi (20). 16. Part (10) according to one of the preceding claims, wherein the optical element (40) is adapted to be assembled by insertion into the body part (10) by the outer face (22) of the wall (20). ).
17. Pièce (10) selon l’une des revendications précédentes, comportant un élément lumineux (70) dont la lumière est transmise via l’élément optique (40) vers l’extérieur du véhicule, lorsque la pièce (10) est montée sur un véhicule.  17. Part (10) according to one of the preceding claims, comprising a light element (70) whose light is transmitted via the optical element (40) to the outside of the vehicle, when the piece (10) is mounted on a vehicle.
EP18811537.2A 2017-11-30 2018-11-29 Bodywork component comprising an optical element applied by elastic interlocking Active EP3717829B1 (en)

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FR1761460A FR3074116B1 (en) 2017-11-30 2017-11-30 BODY PART CONTAINING AN OPTICAL ELEMENT REPORTED BY ELASTIC HOUSING
PCT/EP2018/083058 WO2019106111A1 (en) 2017-11-30 2018-11-29 Bodywork component having an optical element fitted by snap-fastening

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EP3717829B1 EP3717829B1 (en) 2023-01-04

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EP3717829B1 (en) 2023-01-04
FR3074116B1 (en) 2021-06-18
FR3074116A1 (en) 2019-05-31

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