Upholstery element comprising a positioning profile for a seam line and associated manufacturing process

Abstract

Upholstery element comprising a stitching line positioning profile and associated manufacturing method. The upholstery element (10) comprises: - a support (12) having a groove (18) defining a channel (20) and comprising a bottom wall (22), a first side wall (24) and a second side wall (26); - a covering layer (40); - a stitch (50) passing through the covering layer (40) and extending along a stitching line (SL); and - a positioning profile (60) fixed to the covering layer (40) by the stitch (50). The support (12) further comprises a rib (30), the positioning profile (60) cooperating with the first side wall (24), the second side wall (26) and the rib (30) to position the stitching line (SL) opposite the rib (30). Figure for the abbreviation: Figure 2

Description

Title of the invention: Upholstery element comprising a positioning profile for a stitching line and associated manufacturing method

[0001] The present invention relates to a vehicle trim element comprising:

[0002] - a support having at least one groove defining a recessed channel from an external surface of the support, the groove comprising a bottom wall, a first lateral wall and a second lateral wall delimiting the groove;

[0003] - at least one coating layer having an inner face extending over the external surface of the support and a free external face opposite the internal face;

[0004] - at least one seam passing through at least one coating layer from the face internal to the free external face and extending along a seam line;

[0005] - at least one positioning profile fixed to at least one coating layer by at least one seam and configured to position the seam line opposite the throat.

[0006] In such a trim element, the positioning profile allows the seam to be positioned on the support opposite the groove.

[0007] However, such a trim element is not entirely satisfactory. Indeed, the positioning of a decorative (non-functional) seam is not precise. Furthermore, the attachment of the positioning profile to the support is not very robust.

[0008] There is therefore a need to provide a filling element allowing precise and durable positioning of a stitching line, in particular to allow a factory operator to position the stitching in its precise position quickly and repeatably.

[0009] One object of the invention is then to propose a filling element allowing to position precisely and durably a line of stitching extending through a layer of coating.

[0010] To this end, the invention relates to a filling element of the aforementioned type and in which the support further comprises a rib extending from the bottom wall of the groove into the groove, the positioning profile cooperating with the first side wall, the second side wall and the rib to position the stitching line opposite the rib.

[0011] The cooperation of the positioning profile with the first and second side walls of the groove, as well as with the rib of the support, allows for very precise positioning of the stitching line and ensures durable positioning. over time. Indeed, the cooperation between the positioning profile and the support is robust.

[0012] According to other advantageous aspects of the invention, the filling element comprises one or more of the following features, taken individually or in all technically possible combinations:

[0013] - the positioning profile has a straight section in the general shape of a U, the positioning profile including:

[0014] - a main part forming a base of the U and extending opposite the rib; And

[0015] - two auxiliary parts forming branches of the U and extending from two opposite lateral ends of the main part towards the bottom wall of the groove on either side of the rib;

[0016] - the positioning profile includes a folding groove extending between one of the two auxiliary parts and the main part and a folding groove extending between the other of the two auxiliary parts and the main part;

[0017] - at least one seam crosses the main part of the positioning profile and secures at least one coating layer to the main part of the positioning profile;

[0018] - the main part of the positioning profile has an external surface extending against the inner face of at least one coating layer, the outer surface of the main part extending in line with the outer surface of the support;

[0019] - the auxiliary parts of the positioning profile each comprise at least an external projection resting on the lateral walls of the groove;

[0020] - the auxiliary parts of the positioning profile each comprise at least an internal projection resting on the rib of the support;

[0021] - the positioning profile is made of thermoplastic elastomer, in particular made of thermoplastic polyester elastomer, preferably TPE-E;

[0022] - the filling element comprises a single layer of coating, the at least a seam running through the coating layer from the inner face to the free outer face; and

[0023] - the throat extends along a path having at least one straight portion and at less a curved portion, the trim element comprising for each straight portion of the path a straight positioning profile and for each curved portion of the path a curved positioning profile.

[0024] The invention further relates to a method for manufacturing a vehicle trim element as described above, comprising the following steps:

[0025] - fabrication of the support, at least one coating layer and the profile of positioning;

[0026] - making at least one seam so that it passes through at least one coating layer and positioning profile and that it secures at least one coating layer to the positioning profile;

[0027] - arrangement of the positioning profile so that the positioning profile cooperates with the first lateral wall of the groove, the second lateral wall of the groove and the rib to maintain the stitch line opposite the rib.

[0028] According to other advantageous aspects of the invention, the filling element comprises one or more of the following features, taken individually or in all technically possible combinations:

[0029] - during the positioning profile arrangement step, a main part of the a positioning profile forming a U base is arranged opposite the rib and two auxiliary parts of the positioning profile forming branches of the U from two opposite lateral ends of the main part extend towards the bottom wall of the groove on either side of the rib;

[0030] - during the support fabrication stage, at least one coating layer and of the positioning profile, the positioning profile is made so that the main part and the auxiliary parts extend substantially in the same plane,

[0031] the method further comprising between the step of making at least one seam and the step of arranging the positioning profile, a step of folding the positioning profile comprising a rotational movement of one of the two auxiliary parts around a folding groove of the positioning profile to form a first branch of the U and a rotational movement of the other of the two auxiliary parts around a folding groove of the positioning profile to form a second branch of the U;

[0032] - during the step of making at least one seam, at least one seam is made so that it passes through the main part of the positioning profile and that it bonds at least one coating layer and the main part of the positioning profile;

[0033] - during the positioning profile arrangement step, the profile of positioning is arranged so that an external surface of the main part of the positioning profile extending against the internal face of at least one coating layer extends in line with the external surface of the support.

[0034] The invention will become clearer upon reading the following description, given solely by way of non-limiting example, and made with reference to the drawings in which:

[0035] [Fig.1] - [Fig.1] is a simplified schematic top view representation of a trim element according to the invention;

[0036] [Fig.2] - [Fig.2] is a simplified schematic representation in section along a section plane II-II of a part of the trim element of [Fig.1];

[0037] [Fig.3] - the [Fig.3] is a simplified schematic cross-sectional representation of a straight section of the positioning profile, part of the coating layer and part of the seam of the filling element of the [Fig.1], before the positioning profile undergoes the folding step of the manufacturing process according to the invention;

[0038] [Fig.4] - [Fig.4] is a simplified schematic cross-sectional representation of the folding step of the manufacturing process according to the invention;

[0039] [Fig.5] - [Fig.5] is a flowchart of a manufacturing process for the trim element, according to the invention.

[0040] With reference to figures 1 and 2, a trim element 10 according to the invention is described.

[0041] The trim element 10 is in particular intended to be mounted on a part of a vehicle and to extend into a passenger compartment of the vehicle.

[0042] In the description, unless otherwise indicated, the terms "internal" and "interior" refer to elements facing the part of the vehicle on which the trim element 10 is intended to be mounted, and the terms "external" and "exterior" refer to elements facing the passenger compartment of the vehicle.

[0043] The trim element 10 includes a support 12, at least one coating layer 40, at least one seam 50 and at least one positioning profile 60.

[0044] In what follows, a padding element 10 is described, comprising a single layer of covering 40, a single seam 50, and a plurality of positioning profiles 60. In particular, an example of a padding element 10 is described, comprising, for each straight portion PR1, PR2 of a path P of a groove 20 of the support 12, a straight positioning profile 60A, and for each curved portion PC of the path P of the groove 20, a curved positioning profile 60B. The invention also applies, of course, when the padding element 10 comprises a plurality of seams 50, with seam lines that are, in particular, parallel to each other, and / or a single positioning profile 60.

[0045] The support 12 comprises a body having the shape of at least a portion of the trim element 10 and, for example, made of a substantially rigid material. The support 12 thus imparts its shape and rigidity to at least a portion of the trim element 10. The support 12 can have any desired shape, such as a three-dimensional shape, depending on the nature of the trim element.

[0046] For example, the support 12 is made of plastic material, for example a polyolephine or a styrenic, for example by molding.

[0047] With reference to [Fig.2], the support 12 comprises an internal surface 14 and an external surface 16 opposite the internal surface 14.

[0048] The support 12 further comprises at least one groove 18 defining a groove 20 extending inward from the external surface 16 of the support 12. By "extending inward from the external surface", it is understood that the groove 20 forms a recess relative to the rest of the external surface 10, as shown in [Fig. 2].

[0049] Still with reference to [Fig.2], the support 12 further comprises a rib 30 extending from a bottom wall 22 of the groove 18 into the groove 20.

[0050] Still with reference to [Fig.2], the groove 18 comprises the bottom wall 22, a first side wall 24 and a second side wall 26.

[0051] The bottom wall 22, the first side wall 24 and the second side wall 26 delimit the groove 20. In other words, the groove 20 is defined as the space between the bottom wall 22, the first side wall 24, the second side wall 26, in particular set back from the external surface 16 of the support 12.

[0052] For example, the first side wall 24 extends from the external surface 16 of the support 12 towards the bottom wall 22 in a direction towards the internal surface 14 and forms a non-zero angle α with the external surface 16 of the support 12. The angle α is in particular greater than or equal to 90°, in particular greater than or equal to 100°.

[0053] For example, the second side wall 26 extends from the external surface 16 of the support 12 towards the bottom wall 22 in a direction towards the internal surface 14 and forms a non-zero angle [3 with the external surface 16 of the support 12. The angle [3 is in particular greater than or equal to 90°, in particular greater than or equal to 100°.

[0054] Advantageously, the second side wall 26 and the first side wall 24 converge towards each other as they approach the bottom wall 22. Thanks to this feature, the support 12 has a draft angle which facilitates the demolding of the support 12.

[0055] For example, the bottom wall 22 extends between the first side wall 24 and the second side wall 26, at their end away from the external surface 16 of the support 12. According to the example illustrated in [Fig.2], the bottom wall 22 extends substantially parallel to the external surface 16 of the support 12.

[0056] As illustrated in the example in [Fig.2], the groove 20 includes an opening 28 opposite the bottom wall 22.

[0057] With reference to the example in [Fig. 1], the groove 20 extends along path P. Path P has at least one straight portion, in particular a first straight portion PR1 and a second straight portion PR2, and at least one portion curved PC connecting the first straight portion PR1 and the second straight portion PR2.

[0058] With reference to [Fig.2], the width WA of the groove 20 is defined as the distance between the first side wall 24 and the second side wall 26, in particular at the opening 28. The width WA of the groove 20 is for example substantially between 7 mm and 10 mm.

[0059] Still with reference to [Fig.2], the depth DA of the groove 20 is defined as the distance between the external surface 16 of the support 12 and the bottom wall 22 of the groove 18 measured along a direction substantially perpendicular to an extension plane of the external surface 16. The depth DA of the groove 20 is for example substantially between 4 mm and 7 mm.

[0060] According to the example illustrated in [Fig.2], the rib 30 advantageously comes from the material with the support 12, in particular with the body of the support 12.

[0061] For example, the rib 30 includes a first lateral wall 32, a second lateral wall 34 and a free end wall 36.

[0062] For example, the first lateral wall 32 extends from the bottom wall 22 of the groove 18 of the support 12 towards the opening 28 in a direction going towards the external surface 16 of the support 12 and forms a non-zero angle y with the bottom wall 22 of the groove 18. According to the example illustrated in [Fig.2], the first lateral wall 32 of the rib 30 extends opposite the first lateral wall 24 of the groove 18. The angle y is in particular greater than or equal to 90°, in particular greater than or equal to 100°.

[0063] For example, the second lateral wall 34 extends from the bottom wall 22 of the groove 18 of the support 12 towards the opening 28 in a direction going towards the external surface 16 and forms a non-zero angle ô with the bottom wall 22 of the groove 18. According to the example illustrated in [Fig.2], the second lateral wall 34 of the rib 30 extends opposite the second lateral wall 26 of the groove 18. The angle ô is in particular greater than or equal to 90°, in particular greater than or equal to 100°.

[0064] Advantageously, the second lateral wall 34 and the first lateral wall 32 of the rib 30 converge towards each other as they approach the opening 28. Thanks to this feature, the rib 30 has a draft which facilitates the demolding of the support 12.

[0065] For example, the free end wall 36 of the rib 30 extends between the first lateral wall 32 and the second lateral wall 34, at their end away from the bottom wall 22 of the groove 18. Thus, the groove 20 has a cross-section substantially in the shape of a U, a first branch of the U being delimited by the first lateral wall 24 of the groove 18 and the first lateral wall 32 of the rib 30, a second branch of the U being delimited by the second lateral wall 26 of the groove 18 and the second lateral wall 34 of the rib 30 and the base of the U being delimited between the opening 28 and the free end wall 36 of the rib 30.

[0066] The width WB of the rib 30 is defined as the distance between the first lateral wall 32 and the second lateral wall 34, at the level of the base of the rib 30, in other words at the level of the bottom 22 of the groove 20. The width WB of the rib 30 is for example substantially between 1 mm and 3 mm.

[0067] The height HB of the rib 30 is defined as the distance between the bottom wall 22 of the groove 18 and the free end wall 36 of the rib 30, measured along a direction substantially perpendicular to an extension plane of the bottom wall 22 of the groove 18. Advantageously, the height HB of the rib 30 is less than or equal to the depth DA of the groove 20. For example, the height HB of the rib 30 is between 3 mm and 7 mm.

[0068] The coating layer 40 extends over the support 12. More specifically, the coating layer comprises an inner face 42 extending opposite the outer surface 16 of the support 12 and an outer face 44 opposite the inner face 42. The outer face 44 is free and forms a visible portion of the trim element 10 from the passenger compartment of the vehicle in which the trim element 10 is intended to be installed. By "free," it is understood that the outer face 44 is exposed to the ambient air of the vehicle's passenger compartment, in other words, that it is not covered by any element. The inner face 42 is, for example, applied to the outer surface 16 of the support 12. The thickness of the coating layer 40 is defined as the distance between the inner face 42 and the outer face 44. The thickness of the coating layer 40 is, for example, between 0.8 mm and 3.5 mm.

[0069] For example, the coating layer 40 is made of textile, leather, thermoplastic elastomer, polyurethane (PU) or polyvinyl chloride (PVC), possibly lined with a layer of foam, for example low density.

[0070] The coating layer 40 is fixed to the support 12. According to a particular example, the coating layer 40, in particular the inner face 42, is glued to the support 12, in particular to the outer surface 16 of the support 12, for example using a thermo-activatable adhesive.

[0071] The coating layer 40 covers the groove 18, in particular the groove 20, especially the opening 28.

[0072] With reference to [Fig. 1], the seam 50 extends along a seam line LC.

[0073] With reference to [Fig. 2], the seam 50 passes through the coating layer 40 from the inner face 42 to outer face 44.

[0074] Still with reference to [Fig.2], the seam 50 further passes through the corresponding positioning profile 60 and secures the coating layer 50 to the corresponding positioning profile 60.

[0075] In particular, the seam 50 passes through a main part 62 of the corresponding positioning profile 60 and secures the coating layer 50 to the main part 62 of the corresponding positioning profile 60.

[0076] The seam 50 is preferably decorative. It is designed to give the upholstery element 10 a desired appearance, without in particular having a function of joining two layers of covering together. In particular, the seam 50 is intended to be visible on the free outer face 44 of the covering layer 40.

[0077] For example, the LC stitching line extends along a path forming a specific pattern.

[0078] In an embodiment not shown, the trim element 10 comprises a plurality of stitching lines, in particular parallel to each other. In this embodiment, several stitches 50 of different stitching lines pass through the same main part 62 of the profile.

[0079] Seam 50 is for example made of polyester (PES).

[0080] In what follows, a single positioning profile 60 is described. Of course, this description also applies when the trim element 10 comprises several positioning profiles 60, as is the case in the example of [Fig.1].

[0081] The positioning profile 60 is fixed to the coating layer 40.

[0082] In particular, the positioning profile 60 is also fixed to the support 12, in particular by cooperation, in particular by friction, of the positioning profile 60 with the groove 18 and the rib 30.

[0083] The positioning profile 60 is configured to position the LC stitch line opposite the groove 20.

[0084] The positioning profile 60 cooperates with the first side wall 24 of the groove 18, the second side wall 26 of the groove 18 and the rib 30 of the support 12 to position the stitch line LC opposite the rib 30.

[0085] Advantageously, the positioning profile is made of thermoplastic elastomer, in particular of thermoplastic polyester elastomer (TPE-E).

[0086] In particular, with reference to figures 3 to 4, the positioning profile 60 has a straight section in the general shape of a U.

[0087] In particular, the positioning profile 60 comprises a main part 62 and two auxiliary parts 68.

[0088] The main part 62 of the positioning profile 60 forms a base of the U and extends opposite the rib 30.

[0089] Advantageously, the main part 62 of the positioning profile 60 has an external surface 64 extending against the internal face 42 of the coating layer 40. In particular, the external surface 64 of the main part 62 of the profile Positioning 60 extends in line with the external surface 16 of the support 12. This allows the coating layer 40 to have a continuously evolving appearance despite the presence of the opening 28.

[0090] The main part 62 of the positioning profile 60 further has, for example, an internal surface 66 opposite the external surface 64, extending in relation to the rib 30, in particular in relation to the free end wall 36 of the rib 30.

[0091] The two auxiliary parts 68 of the positioning profile 60 form branches of the U and extend from two opposite lateral ends of the main part 62 of the positioning profile 60 towards the bottom wall 22 of the groove 18 on either side of the rib 30.

[0092] Advantageously, the auxiliary parts 68 of the positioning profile 60 each have at least one external projection 70 bearing on the lateral walls 24, 26 of the groove 18. For example, the at least one external projection 70 extends from the corresponding auxiliary part 68 of the positioning profile 60 towards the corresponding lateral wall 24, 26 of the groove 18. Here, by "external projection", it is understood that the external projections are oriented towards the lateral walls 24, 26 of the groove 18. Preferably, the at least one external projection 70 forms a rounded or convex protuberance.

[0093] Advantageously, the auxiliary parts 68 of the positioning profile 60 each have at least one internal projection 72 bearing on the rib 30 of the support 12, in particular on the corresponding lateral wall 32, 34 of the rib 30. For example, at least one internal projection 72 extends from the corresponding auxiliary part 68 of the positioning profile 60 towards the rib 30, in particular towards the corresponding lateral wall 32, 34 of the rib 30. Here, by "internal projection" it is understood that the internal projections 72 are oriented towards the rib 30.

[0094] The cooperation of at least one external projection 70 with the lateral walls 24, 26 of the groove 18 and / or of at least one internal projection 72 with the rib 30 of the support 12, in particular by friction, allows the positioning profile 60 to be correctly positioned in the groove 20.

[0095] Advantageously, the positioning profile 60 further comprises a folding groove 74 extending between one of the two auxiliary parts 68 and the main part 62 and a folding groove 74 extending between the other of the two auxiliary parts 68 and the main part 62. These folding grooves 74 facilitate the folding of the positioning profile 60 during a manufacturing process 100 of the trim element 10 described below.

[0096] With reference to [Fig.5], a manufacturing process 100 for the trim element 10 is described.

[0097] The process 100 includes a step 110 of making the support 12, the coating layer 40 and the positioning profile 60.

[0098] Advantageously, with reference to [Fig. 3], during step 110 of manufacturing the support 12, the coating layer 40 and the positioning profile 60, the positioning profile 60 is manufactured so that the main part 62 and the auxiliary parts 68 extend substantially in the same PE plane. For example, the positioning profile 60 is manufactured by extrusion.

[0099] The process 100 further includes a step 120 of making the seam 50 so that it passes through the coating layer 40 and the positioning profile 60 and that it secures the coating layer 40 to the positioning profile 60.

[0100] Advantageously, during step 120 of making the seam 50, the seam 50 is made so that it passes through the main part 62 of the positioning profile 60 and that it joins the coating layer 40 and the main part 62 of the positioning profile 60.

[0101] The method 100 further includes a step 140 of arranging the positioning profile 60 so that the positioning profile 60 cooperates with the first side wall 24 of the groove 18, the second side wall 26 of the groove 18 and the rib 30 to position the stitch line LC opposite the rib 30.

[0102] Advantageously, during step 140 of arranging the positioning profile 60, the main part 62 of the positioning profile 60 is arranged opposite the rib 30 and the two auxiliary parts 68 of the positioning profile 60 extend towards the bottom wall 22 of the groove 18 on either side of the rib 30.

[0103] In particular, during the arrangement step 140, the positioning profile 60 is inserted into the groove 20 so that the main part 62 of the positioning profile 60 extends opposite the rib 30 and the two auxiliary parts 68 of the positioning profile 60 extend towards the bottom wall 22 of the groove 18 on either side of the rib 30.

[0104] Further advantageously, during the positioning profile 60 arrangement step 140, the positioning profile 60 is arranged so that the external surface 64 of the main part 62 of the positioning profile 60 extending against the internal face 42 of the coating layer 40 extends in the continuation of the external surface 16 of the support 12.

[0105] Advantageously, the method further comprises, between step 120 of creating the seam 50 and step 140 of arranging the positioning profile 60, a step 130 of folding the positioning profile 60, illustrated in [Fig. 4]. In particular, the folding step 130 comprises a rotational movement of one of the two auxiliary parts 68 around a folding groove 74 of the positioning profile 60 to form a first arm of the U and a movement in rotation of the other between the two auxiliary parts 68 around a folding groove 74 of the positioning profile 60 to form a second branch of the U.

[0106] Advantageously, the method further comprises, particularly after step 140, a step 150 of fixing the coating layer 40, in particular the inner face 42, to the substrate 12, in particular the outer surface 16. In particular, the inner face 42 and / or the outer surface 16 of the substrate 12 is coated with adhesive, in particular a thermo-activatable adhesive. Advantageously, during step 150, the coating layer 40 is bonded to the substrate 12 by applying a force to the coating layer 40 and, in particular, by applying heat to the coating layer 40 in the case where the adhesive is thermo-activatable.

[0107] Thanks to the invention, the LC seam line is positioned very precisely. The positioning of the LC seam line is also durable over time since the positioning profile 60 is securely fixed in the groove 20. The interaction between the support 12 and the positioning profile 60 keeps the LC seam line in position despite any impacts that might be applied to the coating layer 40 and / or the positioning profile 60. Furthermore, the invention prevents any waviness of the coating layer 40 near the seam 50.

Claims

Demands

1. Vehicle trim element (10) comprising: - a support (12) having at least one groove (18) defining a channel (20) extending inward from an external surface (16) of the support (12), the groove (18) comprising a bottom wall (22), a first side wall (24) and a second side wall (26) defining the channel (20); - at least one layer of covering (40) having an inner face (42) extending over the external surface (16) of the support (12) and a free outer face (44) opposite the inner face (42); - at least one seam (50) passing through the at least one layer of covering (40) from the inner face (42) to the free outer face (44) and extending along a seam line (LC);- at least one positioning profile (60) fixed to at least one coating layer (40) by at least one seam (50) and configured to position the seam line (LC) opposite the groove (20), characterized in that the support (12) further comprises a rib (30) extending from the bottom wall (22) of the groove (18) into the groove (20), the positioning profile (60) cooperating with the first side wall (24), the second side wall (26) and the rib (30) to position the seam line (LC) opposite the rib (30).

2. Filling element (10) according to claim 1, wherein the positioning profile (60) has a straight section in the general shape of a U, the positioning profile (60) comprising: - a main part (62) forming a base of the U and extending opposite the rib (30); and - two auxiliary parts (68) forming branches of the U and extending from two opposite lateral ends of the main part (62) towards the bottom wall (22) of the groove (18) on either side of the rib (30).

3. A trim element (10) according to claim 2, wherein the positioning profile (60) comprises a folding groove (74) extending between one of the two auxiliary parts (68) and the main part (62) and a folding groove (74) extending between the other among the two auxiliary parts (68) and the main part (62).

4. Filling element (10) according to claim 2 or 3, wherein at least one seam (50) passes through the main part (62) of the positioning profile (60) and secures at least one coating layer (40) to the main part (62) of the positioning profile (60).

5. Filling element (10) according to any one of claims 2 to 4, wherein the main part (62) of the positioning profile (60) has an external surface (64) extending against the internal face (42) of at least one coating layer (40), the external surface (64) of the main part (62) extending in the continuation of the external surface (16) of the support (12).

6. Filling element (10) according to any one of claims 2 to 5, wherein the auxiliary parts (68) of the positioning profile (60) each have at least one external projection (70) bearing on the lateral walls (24, 26) of the groove (18).

7. Filling element (10) according to any one of claims 2 to 6, wherein the auxiliary parts (68) of the positioning profile (60) each have at least one internal projection (72) bearing on the rib (30) of the support (12).

8. Filling element (10) according to any one of the preceding claims, wherein the positioning profile (60) is made of thermoplastic elastomer, in particular of thermoplastic polyester elastomer, preferably TPE-E.

9. Upholstery element (10) according to any one of the preceding claims, comprising a single layer of covering (40), at least one seam (50) passing through the layer of covering (40) from the inner face (42) to the free outer face (44).

10. A method (100) for manufacturing a vehicle trim element (10) according to any one of the preceding claims, comprising the following steps: - fabrication (110) of the support (12), at least one coating layer (40), and the positioning profile (60); - fabrication (120) of at least one seam (50) such that it passes through at least one coating layer (40) and the positioning profile. positioning (60) and that it secures at least one coating layer (40) to the positioning profile (60); - arrangement (140) of the positioning profile (60) so that the positioning profile (60) cooperates with the first side wall (24) of the groove (18), the second side wall (26) of the groove (18) and the rib (30) to maintain the seam line (LC) opposite the rib (30).

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