• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The structural element (10) according to the invention of a box of a motor vehicle comprises at least one base box adapted to receive a panel (11) associated, forming the visible outer skin of the element (10) and composed of a composite material lining, comprising means for fixing to said base box, and a variable thermoformed skin (16), especially in terms of color and / or appearance, depending on the version of the panel (11). ). The manufacturing method according to the invention of the structural element (10) comprises at least the steps of thermoforming the skin (16) of the structural element (10), positioning the skin (16) thermoformed in a mold of injection of the liner, injection into the mold of the constituent material of the lining (15) under vapor in contact with said skin (16) thermoformed previously positioned in the bottom of the mold, and fixing the lining and the skin (16). ) assembled on the base box of the structural element (10).
    公开号:FR3014811A1
    申请号:FR1362615
    申请日:2013-12-13
    公开日:2015-06-19
    发明作者:Loic Bezeault；Christophe Favreau；Gregor Hewak；Jean-Francois Lerooy
    申请人:Renault SAS；
    IPC主号:
    专利说明:

    [0001] BACKGROUND OF THE INVENTION The invention relates to the structural elements of a body of a motor vehicle. The invention more particularly relates to a structural element of a body of a motor vehicle comprising at least one base box adapted to receive an associated panel forming the visible outer skin of the element, said base box being a structural interface common, on which are fixed different versions of interchangeable panels. The invention also relates to a method of manufacturing such a structural element. State of the art Traditionally, the automobile industry is characterized by a model of the type that produces very large volumes of ultra-standardized parts, most of which are stamped with significant capital and capacity investments. On the other hand, the evolution of the automotive markets towards an increasingly fine segmentation with a constant multiplication of body types and types of products (and therefore a reduction in volumes per product) as well as the increasing trend of personalization also contribute to make the economic equation for the design and manufacture of a motor vehicle more and more difficult. For such a design of a motor vehicle, the car manufacturers can be brought today to make a choice between two very different worlds: - the universe of products with very large volumes and with the affordable price, exclusively built on structures of self-supporting box in stamped sheet metal; - products from small to very small volumes that open to other means of manufacture with much higher selling prices, because intended especially for high-end or for a specific professional use (for example of the commercial vehicle type) . To date and for the most part, the body skins, for example of the type side door panels, are made of metal, namely steel or aluminum, and are generally manufactured for large production to make investments profitable. However, such side door panels are generally assembled by crimping and / or welding to the common base boxes forming the framework of the side doors. It is thus difficult to dismantle and then go up to the equivalent of a new set of side door panels, especially in order to change the colors or external forms. Moreover, such side door panels are not customizable, otherwise to diversify the tools and molds for stamping, which involves very heavy investments.
    [0002] A first solution has been proposed by the Applicant in the unpublished patent application FR201355096, wherein the side door of a vehicle comprises a base box adapted to receive an associated panel forming the visible outer skin of the element, said box base being a common structural interface, on which are fixed different versions of interchangeable panels.
    [0003] However, although this solution has many advantages, the customization of the side door allowed does not go far enough in terms of interchangeable aspects or colors.
    [0004] OBJECT OF THE INVENTION The object of the invention is to remedy all of the aforementioned drawbacks and is aimed at producing structural elements of a bodywork of a motor vehicle, which may offer a possibility of increased customization. while being simple to implement, inexpensive and without heavy investments in complete re-design of a vehicle. This object of the invention is characterized, more particularly, by the fact that said panel is composed of a composite material lining, comprising fixing means to said base box, and a variable thermoformed skin, in particular in terms of color and / or appearance, depending on the version of the panel. Such a body structure element thus makes it possible to set up a personalization system, that is to say, stylistic modifications on the shapes, aspects, colors, etc., for, for example, the door panels. lateral, without any impact on the basic body structure, and therefore the structure of the vehicle body. Such high volume production body structure elements thus make it possible to imagine parts of a motor vehicle "variables" to change part of the body type, color or appearance of the body panel, to use of the vehicle according to the wishes of the customer, the purchase even see in the lifetime of the product, so with much smaller parts volumes, but at an acceptable cost. Other advantages and features of the invention may be considered in isolation or in combination: Said lining may be fixed to the base box by removable fixing means, for example of the positive attachment type. - Said lining of composite material may be made of thermoplastic material of the expanded polypropylene type, the density used for the expanded polypropylene of the liner may be between 50g / I and 250g / l. Said thermoformed skin may be made of composite material, for example polycarbonate or polypropylene without reinforcement and / or talc. Said thermoformed skin may comprise several adjacent associated portions. - Said portions of the skin may each comprise a curved edge cooperating with the curved edge of the adjacent portion, so that said associated bent edges protrude into said lining, or said portions of the skin may each comprise a superimposed edge with the edge of the adjacent portion. Said thermoformed skin may comprise a thermoformed printed or screen printed material or may comprise a painted, pre-painted, mass-dyed or thermoformed material. - The thickness of said thermoformed skin may be between 0.3mm and 1.5mm, preferably of the order of 0.5mm.
    [0005] The invention also relates to the realization of a method of manufacturing such a structural element that is simple, inexpensive and profitable in the case of a large-scale production of a motor vehicle.
    [0006] This object of the invention is characterized, more particularly, in that the method comprises at least the following steps: thermoforming of the skin of the structural element, positioning of the thermoformed skin in an injection mold of the liner injection into the mold of the material constituting the lining, for example expanded polypropylene beads, under vapor in contact with said thermoformed skin previously positioned in the bottom of the mold, fixing the lining and the skin assembled on the basic box of the structural element. Other advantages and features of the invention may be considered in isolation or in combination: the process may comprise a step of preheating the mold. - The method may comprise the application of a layer of hot melt material, only in the case where the materials of the skin and the lining are different, so as to allow the symbiosis between their respective materials, said layer of hot melt material being able to be made, for example, of polymer, in particular polypropylene, polyester, polycarbonate, or copolymer type.
    [0007] BRIEF DESCRIPTION OF THE DRAWINGS Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention given by way of non-limiting example and represented in the accompanying drawings, in which: Figures la to ld each represent a partial perspective view of a particular embodiment of a structural element of a box according to the invention, here a side door panel by way of non-limiting example, illustrating the desired personalization area.
    [0008] Figures 2a and 2b show, respectively a front view and a sectional view II-II, of a particular embodiment of a side door panel, illustrating an example of a structural element according to the invention.
    [0009] Figures 3a and 3b show, respectively a front view and a sectional view III-III, of an alternative embodiment of a side door panel, illustrating another example of a structural element according to the invention. Figures 4a and 4b show, respectively a front view and a sectional view IV-IV, of an alternative embodiment of a side door panel, illustrating another example of a structural element according to the invention. Figure 5 shows a partial view of a side door panel according to Figures 2a to 4b, and a view of the associated detail A, illustrating the association of different portions of the skin of the side door panel. FIG. 6 shows a partial view of another side door panel according to FIGS. 2a to 4b, and a view of the associated detail B, illustrating an alternative embodiment of the combination of different portions of the skin of the side door panel. . FIGS. 7 to 10 each represent a particular method of fastening the lining of the side door panel according to FIGS. 2a to 6, to the associated base box of the side door. Description of particular embodiments In the description which will be follow, identical or similar elements will bear the same numbers and reference numbers. Expressions such as "back" and "front", "left" and "right", "upper" and "lower" and "longitudinal", "transverse" and "vertical" orientations will be defined with reference to X, Y triad , Z shown in Figure la and the definitions given in the description. In particular, the longitudinal direction X corresponds to the direction of travel in the forward direction of a motor vehicle (not shown completely in the figures for the sake of clarity). With reference to the figures, the structural element 10 according to the invention aims to propose a new method of manufacture / assembly of an outer body panel of a body of a motor vehicle, to allow a stronger personalization for the customer at an acceptable cost / selling price level (see reducing the diversity of the non-personalized part in order to improve its economic performance). In particular, the principle is to have a structural element of the body, consisting of a base box and an associated panel, or visible outer skin of the element, which allows interchangeability between panels, whether in terms of colors, shapes and / or appearance, etc. In Figures la to 1 d, a particular embodiment of a structural element 10 according to the invention of a body of a motor vehicle is shown, illustrating more particularly the personalization area and the various configurations that can allow structural element according to the invention. In FIGS. 1a to 1d, the structural element 10 comprises an outer panel 11 of a side door, comprising a base box 13 (FIGS. 2a to 4b), on which the outer panel 11 is fixed. considered of the outer panel 11, it comprises a pattern 14 which can take different shapes, aspects and colors, in particular in the form of wave or comma, as in Figures 1a, 1c and 1d, or in the form of boss or overthickness, as in Figure 1b. The principle of the structural element 10 according to the invention is therefore to have a panel 11 composed of a lining of composite material, including in particular fixing means to the base box 13 and a variable thermoformed skin, c ' that is to say, may comprise one or more variable patterns 14, in particular in terms of colors, shapes and / or aspects, depending on the considered version of the panel 11 (Figures 1a to 1d). In FIGS. 1a to 1d, the principle of the invention is described in relation to a left rear side door, with respect to the longitudinal axis X of the vehicle, but the invention applies in the same way at the same time for all the lateral doors of the vehicle, but also for all the structural elements comprising the body of a motor vehicle, namely the front cover, the tailgate, or the boot door, the wings, the sides of the body , the flag, the rocker, the flap, or bottom of underbody, etc., each of its structural elements being composed therefore both of a base box 13 and an interchangeable variable outer panel 11. In Figures 2a and 2b, a first embodiment of a structural element 10 according to the invention is shown, namely the rear side door of the vehicle. This comprises the base box 13 and the outer panel 11 visible. The panel 11 comprises a lining 15 made of a composite material, preferably of thermoplastic material of the expanded polypropylene type, or PPE, and a skin 16 thermoformed, composed of two portions 16a, 16b, adjacent, namely a first upper portion 16a, or upper skin, for example of a first color, and a second lower portion 16b, or lower skin, for example of a second color different from the first, so as to give the effect of a lower rod on the panel 11 , which is then composed of two-tone or two-tone skin (Figure 2a).
    [0010] In FIG. 2b, and as shown more particularly in FIGS. 9 and 10, the liner 15 is fixed on the base box 13 of the side door by means 17 of removable fastening, for example of the positive fastening type such as a system. screw-nut. In FIG. 2b, the positive fixing means 17 are schematically represented by a dotted line axis for the sake of clarity. In general, the number and the position of the fixing means 17 depend in particular on the size, the shape and the arrangement of the lining 15 on the base box 13 at the level of the structural element 10. By Moreover, in alternative embodiments not shown, the positive fastening means 17 preferably cooperate with sliding fastening means, in particular to make it possible to release the stresses undergone by the panel 11 during sunshine or during the transition to factory paint line (very high temperature and strong dilations of the skin 16 thermoformed).
    [0011] As shown more particularly in Figures 7 to 10, the lining 15 of the panel 11 can be fixed by any fastening means allowing the interchangeability of the panel 11 on the base box 13. In Figure 7, the liner 15 is fixed by via a centering pin 19, or protuberance, integrally formed with the lining 15 and projecting from the lining 15 to cooperate with an associated orifice 20 formed in the base box 13. In FIG. the liner 15 is in close contact with the base box 13 via a raised edge 28 of the box 13. More particularly, the liner 15 interferes and is fixed on the box 13 by this "forced" contact between the two rooms. In Figure 9, the liner 15 comprises an insert 21 embedded in its thickness, wherein a screw 22 of the base box 13 is inserted for fixing. More particularly, and in general, such a fixing by insert 21 embedded is reproducible over the entire contour of the base box 13 for the attachment of the liner 15. In Figure 10, the liner 15 has a conformation 23, or protrusion, protruding from the thickness of the liner 15 so as to include a centering pin 24, intended to cooperate with an associated orifice 29 formed in the base box 13. Moreover, with reference again to FIG. 2b , the liner 15 is shaped according to the shape of the base box 13 and the two adjacent portions 16a and 16b of the skin completely cover this lining 15. Moreover, the skin 16 thermoformed is preferably very thin compared to the thickness of the lining 15. For example, the thickness E of said thermoformed skin 16 is between 0.3mm and 1.5mm, preferably of the order of 0.5mm. Thus, the combination of such a PPE lining 15 and a very thin skin 16 allows in particular to customize only the visual part of the panel 11, and especially to reinforce the skin 16 thermoformed to include all the benefits of the specifications of a side door, especially in terms of impact, hold, etc. Moreover, such an association also makes it possible to reduce the overall side door and to reduce the associated investments.
    [0012] By way of example, the material used for the liner 15, namely expanded polypropylene, has a density of between 50 g / l and 250 g / l, preferably of the order of 90 g / l. This makes it possible to offer a multitude of possibilities, particularly as regards the shape of the liner 15, as regards the rigidity of the assembly and the good cohesion with the thermoformed skin 16.
    [0013] In the embodiment variant shown in FIGS. 3a and 3b, the structural element 10 is distinguished from the structural element 10 shown in FIGS. 2a and 2b by the thermoformed skin 16. This skin still covers the lining 15, but comprises a first upper portion 16a less high and a second lower portion 16b higher relative to the portions 16a, 16b shown in Figures 2a and 2b. The first upper portion 16a of the skin 16 is, for example, of a first color, and the second lower portion 16b of the skin 16 is, for example, of a second color different from the first, and the skin 16 comprises a chromed insert 25, so as to give the outer panel 11 the appearance of a two-tone skin and the effect of a side door with lower door protection, thanks to the presence of the chromed insert 25, which can be thermoformed at the same time as the skin 16 or may be a separate piece added to the thermoformed skin 16. In the variant embodiment shown in FIGS. 4a and 4b, the structural element 10 is distinguished from the structural element 10 shown in FIGS. 2a, 2b and 3a, 3b by the thermoformed skin 16. This always covers the lining 15, but has two adjacent portions associated less evenly to provide an aesthetic visual effect to the panel 11 (Figure 2a). More particularly, the junction between the first upper portion 16a and the second lower portion 16b is inclined from one vertical edge of the panel 11 to the other vertical edge of the panel 11, so as to substantially form the effect of a comma or of a wave (Figure 4a). Again, the first upper portion 16a of the skin 16 is, for example, a first color, and the second lower portion 16b of the skin 16 is, for example, a second color different from the first, so to give the outer panel 11 a two-tone skin effect with a wave pattern. Thus, such a structural element 10 thus offers a multitude of customization possibilities, thanks to the presence of the common base box 13 for all versions of panels 11 and therefore the interchangeable panel 11 which is completely variable in terms of shapes, colors, aspects, etc.
    [0014] Moreover, as shown more particularly in FIGS. 5 and 6, irrespective of the embodiment of the thermoformed skin 16 (FIGS. 2a to 4b), the two adjacent portions 16a and 16b of the thermoformed skin 16 can be assembled differently on the liner 15, to provide the desired visual effect. In Figure 5, the upper portions 16a and 16b of the lower skin 16 thermoformed each comprises a curved edge 26a, 26b cooperating with each other. More particularly, the curved edges 26a, 26b are arranged substantially perpendicular to the remains of the portions 16a and 16b and are assembled against each other and arranged so as to protrude into the thickness of the lining 15, that is, ie towards the inside of the panel 11 so as to hide this connection. Such a configuration makes it possible in particular to assemble the two portions 16a and 16b of the skin 16 by bonding or by laser welding, before injection of the liner 15, so as to obtain a better visual appearance of the residual clearance occurring at the junction between the two portions 16a and 16b (Figure 5). In Figure 6, the upper portions 16a and 16b of the lower skin 16 each has an edge 27a, 27b superimposed on each other and substantially parallel to the rest of the portions 16a and 16b. More particularly, the edge 27b of the lower portion 16b of the skin 16 is positioned on the edge 27a of the upper portion 16a of the thermoformed skin 16, so as to cover and hide it. Such a configuration allows in particular to be able to position the portions 16a and 16b of the skin 16 thermoformed in the bottom of the injection mold, as described in more detail below, without a predefined assembly between these portions 16a and 16b. Moreover, whatever the embodiment of the panel 11 described above according to Figures 2a to 6, the thermoformed skin 16 is preferably made of composite material, for example polycarbonate or polypropylene without reinforcement and / or talc . Similarly, the thermoformed skin 16 can be made according to two distinct families: The thermoformed skin 16 comprises a printed or screen printed material. Such screen printing makes it possible to obtain hues and very precise drawings in terms of visual appearance. The printing or the screen printing is obtained in particular by depositing pigments on the thermoformed skin 16 (more particularly when it is made of polycarbonate) by several phases and several layers. The thermoformed skin 16 comprises a painted or pre-painted material, mass dyed or filmed, more particularly in the case of a polypropylene composite material generally used in the field of the automotive industry for parts of external and internal appearance. Whatever the embodiment described above, the structural element 10 according to the invention thus allows an increased personalization of its body panel 11 by the combination of the expanded polypropylene lining 15 and the thermoformed skin 16 ultra thin and ultra customizable, in terms of shapes, aspects, colors, etc. A method of manufacturing a structural element 10 according to the invention will now be described with reference to FIGS. 1 to 10. The method firstly comprises the step of thermoforming the skin 16 of the structural element 10, in particular by any type of known thermoforming process adapted to the chosen version of the skin, namely the first family, said printed or screen printed, or the second family, said painted or tinted, etc.
    [0015] Once the thermoformed skin 16 has been obtained, the method comprises a step of positioning the thermoformed skin 16 in an injection mold of the liner 15. Then, the method comprises a step of injecting the liner 15 into the mold. More particularly, the constituent material of the liner 15, for example expanded polypropylene beads, is injected under vapor in contact with said thermoformed skin 16 previously positioned in the bottom of the mold. Finally, the liner 15 and the thermoformed skin 16 thus assembled are then fixed on the associated base box 13 of the structural element 10. A preheating step of the mold can be performed before the positioning of the thermoformed skin 16 in the mold, in particular to allow a better cohesion with the expanded polypropylene which will be injected to form the lining 15. Similarly, in another variant embodiment of the method, it may comprise a step of applying a layer of hot melt material, after the positioning of the thermoformed skin 16 in the bottom of the mold and before the injection of the expanded polypropylene, only in the case where the materials of the thermoformed skin 16 and the liner 15 are different, so as to allow the symbiosis between their materials respectively. By way of example, the hot-melt material used may be made, for example, of a polymer, in particular of the polypropylene, polyester or polycarbonate type, or of a copolymer, namely with a combination of several polymers. Thus, such a method of producing a structural element 10 is simple to produce, inexpensive and very easy to use for large series. Thus, irrespective of the embodiment of the structural element 10 and the associated manufacturing method, these have many advantages: - The base box 13 is transverse to all solutions of structural elements 10, whatever the stylistic forms sought; - Such panels 11 are interchangeable during the life of the vehicle or after-sales; Such a solution thus provides flexibility in the method of repairing the structural elements of the vehicle. In known solutions, the steel structural element must be completely re-equipped (in addition to cataphoresis for after-sales) and all the associated interior and exterior equipment (from the old structural element) must be reassembled. ). Thanks to the invention, the panels 11 are easily removable, which implies a considerable gain in terms of workshop time; Such an association between a PPE liner and an ultrafine skin of thermoplastic material allows for an increased personalization of the structural element in question, especially in terms of shapes, patterns, aspects, colors, etc. ; - The overall weight of the vehicle is not impacted and even greatly reduced, the density of plastic being six times lower than that of steel. The invention is not limited to the various embodiments described above. In particular, the panels 11 of the structural element 10 may be of different materials, shapes, and dimensions and may be manufactured by any type of different process, as long as a panel 11 has a lining 15 of composite material and a skin 16 thermoformed exterior. The skin 16 thermoformed can take different forms, different aspects, different colors, as long as it allows the interchangeability and ultra customization of the structural element 10. In particular, the thermoformed skin 16 may comprise more than two adjacent portions, for to accentuate even more the personalization. Furthermore, in an alternative embodiment of the method of manufacturing a structural element 10, it may comprise a step of applying a layer of glue, after the molding step of the lining 15. Similarly, in the case of a screen printed thermoformed skin 16, the production method may also comprise a step of depositing a layer of ready-to-use glue.
    [0016] The invention applies to any type of structural element (side door, tailgate, bonnet, wing, etc.) of a motor vehicle comprising a base box and an interchangeable panel. More particularly, the invention applies to any type of motor vehicle with medium or large production volume and whose body structure seeks to imagine parts of the vehicle "variables" to change part of the body type, to use of the vehicle according to the wishes of the customer, the purchase even see in the lifetime of the product, so with much smaller parts volumes, but at an acceptable cost.
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Structural element (10) of a box of a motor vehicle comprising at least one base box (13) adapted to receive an associated panel (11) forming the visible outer skin of the element (10), said base box (13) being a common structural interface, on which are fixed different versions of panels (11) interchangeable, element (10) characterized in that said panel (11) is composed of a lining (15) of composite material, comprising fastening means (17, 19, 21, 23, 24) to said base box (13), and a variable thermoformed skin (16), in particular in terms of color and / or appearance, depending on the version considered of the panel (11).
    [0002]
    2. Element (10) according to the preceding claim, characterized in that said liner (15) is fixed on the base box (13) by means (17) for removable fastening, for example of the positive attachment type.
    [0003]
    3. Element (10) according to any one of the preceding claims, characterized in that said lining (15) of composite material is made of thermoplastic material expanded polypropylene type (or EPP).
    [0004]
    4. Element (10) according to the preceding claim, characterized in that the density used for the expanded polypropylene of the liner (15) is between 50g / I and 250g / l.
    [0005]
    5. Element (10) according to any one of the preceding claims, characterized in that said skin (16) thermoformed is made of composite material, for example polycarbonate or polypropylene without reinforcement and / or talc.
    [0006]
    6. Element (10) according to any one of the preceding claims, characterized in that said skin (16) thermoformed comprises several portions (16a, 16b) associated adjacent.
    [0007]
    7. Element (10) according to the preceding claim, characterized in that said portions (16a, 16b) of the skin (16) each comprise a curved edge (26a, 26b) cooperating with the curved edge (26a, 26b) of the portion (16a, 16b) adjacent, so that said curved edges (26a, 26b) are protruding into said liner (15).
    [0008]
    8. Element (10) according to claim 6, characterized in that said portions (16a, 16b) of the skin (16) each comprise an overlapping edge (27a, 27b) with the edge (27a, 27b) of the portion ( 16a, 16b).
    [0009]
    9. Element (10) according to any one of the preceding claims, characterized in that said skin (16) thermoformed comprises a printed matter or screen printed by thermoforming.
    [0010]
    10. Element (10) according to any one of claims 1 to 8, characterized in that said skin (16) thermoformed comprises a painted material, pre-painted, dyed mass or filmed by thermoforming.
    [0011]
    11. Element according to any one of the preceding claims, characterized in that the thickness (E) of said skin (16) thermoformed is between 0.3mm and 1.5mm, preferably of the order of 0.5mm .
    [0012]
    12.Procédé manufacturing a structural element (10) of a body of a motor vehicle according to any one of the preceding claims, characterized in that it comprises at least the following steps: - thermoforming of the skin ( 16) of the structural element (10), - positioning of the skin (16) thermoformed in an injection mold of the liner (15), - injection in the mold of the material constituting the lining (15), by example of expanded polypropylene beads, under steam in contact with said skin (16) thermoformed previously positioned in the bottom of the mold, - fixing the liner (15) and the skin (16) assembled on the base box (13) of the structural element (10).
    [0013]
    13.Procédé according to the preceding claim, characterized in that it comprises a preheating step of the mold.
    [0014]
    14.Procédé according to any one of claims 12 and 13, characterized in that it comprises the application of a layer of hot melt material, only in the case where the materials of the skin (16) and the lining ( 15) are different, so as to allow the symbiosis between their respective materials.
    [0015]
    15. Method according to the preceding claim, characterized in that said layer of hot melt material is made, for example, of polymer, in particular polypropylene, polyester, polycarbonate, or copolymer type.
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    同族专利:
    公开号 | 公开日
    FR3014811B1|2017-03-03|
    引用文献:
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    DE102012020707A1|2012-10-23|2013-05-08|Daimler Ag|Modular system for design variants of motor vehicle door, has design variant-spreading door support to which design variant specific door skin is fastened, and equaled board edge is provided on all design variants of motor vehicle door|WO2017006061A1|2015-07-09|2017-01-12|Renault S.A.S.|Motor vehicle body shell structural element comprising an interchangeable module|
    FR3098163A1|2019-07-05|2021-01-08|Compagnie Plastic Omnium Se|vehicle wrapping part|
    WO2021004954A1|2019-07-05|2021-01-14|Compagnie Plastic Omnium Se|Vehicle trim part|
    WO2022012878A1|2020-07-15|2022-01-20|Renault S.A.S|Motor vehicle side door inner panel|
    法律状态:
    2015-12-21| PLFP| Fee payment|Year of fee payment: 3 |
    2016-12-22| PLFP| Fee payment|Year of fee payment: 4 |
    2017-12-21| PLFP| Fee payment|Year of fee payment: 5 |
    2019-12-19| PLFP| Fee payment|Year of fee payment: 7 |
    2020-12-23| PLFP| Fee payment|Year of fee payment: 8 |
    2021-12-24| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1362615A|FR3014811B1|2013-12-13|2013-12-13|STRUCTURAL ELEMENT OF A BODY OF A MOTOR VEHICLE WITH INTERCHANGEABLE PANEL AND METHOD OF MANUFACTURING SUCH A STRUCTURAL ELEMENT|FR1362615A| FR3014811B1|2013-12-13|2013-12-13|STRUCTURAL ELEMENT OF A BODY OF A MOTOR VEHICLE WITH INTERCHANGEABLE PANEL AND METHOD OF MANUFACTURING SUCH A STRUCTURAL ELEMENT|
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