DE102011075720A1 - Strapless interior design - Google Patents

Abstract

Strapless interior part for a vehicle that has a haptic layer made of textile (A), a stiffening material (P) being introduced into the textile in such a way that the textile is at least partially stiffened, the insertion depth of the stiffening material (P) always being such that a haptic zone (10) is retained on the decorative side of the textile (A).

Description

Technical area

The invention relates to an interior design for a vehicle which has a textile haptic layer. The invention further relates to a method for producing such a Interieurteils and a semi-finished product, which is suitable for further processing to such Interieurteil.

State of the art

In vehicle interiors of motor vehicles, in particular the upper middle class and upper class, interior parts are used with haptic layer to improve the quality of the surface finish of the Interieurteils. The generic term "interior judgment" includes, for example, the instrument panel, the center console or door interior trim. The haptic layer is typically composed of a foam or a textile layer, with the latter often being used in spacer fabrics, nonwovens or knitted fabrics.

An interior design with a haptically appealing surface usually comprises a dimensionally stable support, which is produced, for example, in an injection molding process and on which the haptic layer is laminated, and a decorative layer which is laminated on the side of the haptic layer facing away from the support. The three layers form a composite which, on the one hand, ensures the required stability and assembly capability of the interior trim by the support, and on the other hand has a surface appearance which is both visually and haptically appealing. There are also interior components with a two-layer structure, made of a dimensionally stable carrier and a spacer knitted fabric, wherein the upper layer of the spacer knitted fabric takes over the task of the decorative layer. The currently used carrier materials have an average thickness of more than 2 mm. For instrument panel carriers, this thickness is preferably 3 mm.

The 11A to 11C show a conventional instrument panel support structure with a Nähkleidkaschierung. Here, the reference numeral 50 a Nähkleid, for example, from assembled leather blanks, which are applied to a haptic material. The reference number 51 shows an injection molded plastic, the edge partially over the Nähkleid 50 protrudes. The injection-molded carrier serves both stabilization and the vehicle-side attachment of the instrument panel carrier. The sewing dress 50 has various ornamental and joint seams N. A section through a conventional structure is in 11C shown. On the injection-molded carrier 51 is a haptic layer 52 and a decor 53 laminated. With the reference number 54 a seam of the decorative layer is designated, which is bordered by the injection-molded carrier. It should be noted that the injection molded support in the conventional structure not only stabilizes the entire decorative area, but, as in the 11C is shown as an assembly aid at the edges partly goes beyond the decor.

Summary of the invention

An object of the present invention is to reduce the weight and / or the manufacturing cost of an interior design without significantly affecting its stability.

The object is achieved with a Interieurteil according to claim 1, a method according to claim 11 and a semi-finished product according to claim 14.

The inventive substantially carrierless Interieurteil has a haptic layer of a textile, wherein a stiffening material, such as a polymer material, is introduced into the textile. Due to the introduced stiffening material, the textile is at least partially stiffened, wherein the insertion depth of the stabilizing stiffening material is such that a haptic zone is retained on the decorative side of the textile. For this purpose, the stiffening material, which may be a polymer or a metal, preferably introduced in the liquid phase in the textile and then cured. Due to the partial stiffening of the textile itself can be dispensed with a conventional support element for stabilization and assembly. "Conventional" in this case means the production of a carrier by an injection molding process, to which a haptic layer and / or a decorative layer is applied in a subsequent process step. By partial stiffening is meant that the textile does not have to be provided over the entire surface with stiffening material, because it may be sufficient, for example, depending on the load requirement to make a ribbed and / or frame-like stiffening. A general principle of the invention is to manipulate a flexible and haptic spacer material, such as nonwoven fabrics, spacer fabrics, etc., such that a stiff zone and a haptic zone remain in the direction of the thickness of the spacer material. The open-pored textile structure is not only used to determine the haptic properties of the interior, but also to produce a very durable and compact connection with the stiffening material. As a result, the material required for stiffening can be reduced in comparison to a conventional injection-molded carrier. The haptic layer can be stiffened flat. Alternatively or additionally, contour regions and / or seam regions of the textile can be stiffened. Further is it is possible, in particular for large interior parts such as an instrument panel support to vary the degree of stiffening along the extent of the Interieurteils to meet different load requirements. By using the invention, the previously separately manufactured carrier structure can be completely or partially omitted. In a complete elimination of the support structure take over the stiffened areas of the haptic the function of the support structure. In a partial elimination, the support structure has material breakthroughs and in the areas in which the material breakthroughs are arranged, the stiffened areas of the haptic take over the function of the support structure.

The stiffening or dimensional stability of the textile, for example the lower layer of a spacer knitted fabric, in addition to the properties of the stiffening material, the Einbringtiefe etc. can be selectively influenced by the many possibilities of textile construction, for example by the fabric having a structure with various openings, cavities or gaps , which are provided depending on the load requirement of the respective component area and filled with a stiffening material. Textile control parameters for this are, for example, the dimensions and geometry of the openings and properties of the fiber material.

The haptic layer can be produced from suitable materials (for example, thermoplastics or high-performance polymers, glass, metal, carbon or natural fibrous materials, fiber composites formed therefrom or blends or other combinations of the aforementioned materials). In addition to aspects of mechanical stability (such as the creation of a defined haptic), the selection of materials may also be based on functional aspects (light-conducting or light-transparent materials, electrically conductive or electrically shielding materials, antibacterial or catalytically active materials).

A textile haptic layer in the sense of the invention is thus understood to mean any structure of fibrous or filamentary materials with which it is possible to generate planar semifinished products, which can preferably be combined to form a sewing dress comprising a plurality of blanks. In the case of a multilayer structure of the haptic layer, at least the layer lying adjacent to the decorative side has the previously described materials. The intermediate layers and the backside may be optimized for their respective function and may include other materials. In particular, the back layer has an open-pore, fibrous structure for receiving and reinforcing the introduced stiffening agent.

In a particularly preferred embodiment, the intermediate layer can be a barrier layer in the form of a film or a polymer layer or in any other suitable form such that penetration of the stiffening material into the first layer is avoided.

In an alternative embodiment, a barrier layer in the form of a film is arranged on the back of the haptic layer, which has openings. Through the openings can selectively penetrate a defined amount of the stiffening material in the haptic and surround the existing fibers or threads there and so make an intimate connection.

In a further preferred embodiment, the material and / or the structure of the second layer is selected so that the stiffening material remains only in the region of the second layer. For example, the second layer could be made of an absorbent and / or swellable material such that the stiffening material substantially stores or forms a flow barrier for the polymer material as a result of the swelling, thus preventing the penetration of the polymer into the regions of the first textile layer provided as the haptic zone ,

It has already been mentioned that a spacer knitted fabric is preferably used as the haptic layer. The spacer fabric has an upper fabric layer, a lower fabric layer, and a pile thread region in which the upper and lower fabric layers are connected and held apart with threads running back and forth. Preferably, only the lower textile layer (the textile side facing away from the decorative side) is mixed with stiffening material. The fabric may be sprayed, wetted or soaked with stiffening material or the stiffening material may be injected or rolled. Alternatively or additionally, individual fibers of the textile can already be stiffened during the production process by being enveloped with activatable and / or reactive polymer material. This further weight reduction is achieved by the stiffening material is applied even more targeted. The lower textile layer may be partially or completely provided with stiffening material. Thus, the polymer causes stiffening of individual fibers, fiber groups or fiber constructions. In a particular embodiment, the stiffening material extends into the pile thread area, wherein the stiffening material does not comprise the entire pile thread height. The pile thread area can be structurally designed such that the complete filling with the stiffening agent is not is possible. It must be ensured that a haptic zone remains on the decorative side next to the stiffened zone.

The lower textile layer of the spacer knit fabric is preferably constructed of two layers, wherein at least one of the two layers is stiffened. The at least other layer can be structurally designed so that penetration of the stiffening material is prevented in the haptic zone. The two layers forming the textile layer can be produced separately and provided with a polymer. Alternatively, the two layers forming the lower textile layer can be impregnated in combination with stiffening material. Of course, more than two layers can be used, which form the lower textile layer of the spacer knit. In addition to the textile other materials can be used here. Also in this embodiment, a weight reduction can be achieved due to the combination of textile and stiffening material.

The spacer knitted fabric or generally the haptic layer can also have a profiling or structure in which the lower textile layer is spaced apart from the upper textile layer at different distances, with respect to a spacer knitted fabric, for example by a varying length of the pile threads. In this case, the lower side of the haptic layer preferably has parallel or lattice-like protruding ribs, the protruding areas preferably being provided with the stiffening material.

As already indicated, a polymer material is particularly suitable as a stiffening material. Preferred material groups that can be used as a stiffening material are thermoplastics or thermosets (for example, PES, PP, PE, PA, caprolactam, PUR, PMI, TPU, ABS-PC or resins such as acrylate resin, polyester resin, epoxy resin, phenolic resin, o .).

The stiffening material can be applied in a preferred embodiment as a foam which can be designed closed or open-pored.

In an alternative embodiment, the stiffening material is applied as a flat semifinished product (for example fleece, film, fabric, or the like) at least in regions on the haptic layer. The material properties of the stiffening material are designed so that the melting temperature is lower than that of the material of the zone of the haptic layer to be stiffened.

The aforementioned materials may be provided with additional fillers or reinforcing materials in the form of fibers as loops or sections (carbon, glass or natural fibers or mixtures thereof) or particulate solids (ceramic, metal, glass, etc.).

Preferably, at least the haptic layer is constructed from interconnected textile blanks. Here, a so-called "sewing dress" is made from blanks having functional seams and / or decorative seams. The result is a stitching dress having a three-dimensional shape that already has or at least approximates the shape of the interior trim to be made.

The individual textile blanks can be of different textile type. Furthermore, a decorative layer can already be arranged on the textile blanks prior to sewing.

The joining of fabrics, textiles, nonwovens, woven, knitted, crocheted, leather, leather-like materials, papers, boards, foils, sheets, composites or combinations thereof into a sewing dress is accomplished by joining techniques such as sewing, welding, gluing, pressing, stapling , force, material and positive locking procedures. In other words, the production of a "Nähkleids" here should not be limited to joining methods, which include a sewing process in the conventional sense.

Preferably, at least some seams of the textile blanks are stiffened so that the stiffened seams form stiffening ribs. A targeted stiffening of this kind, the weight of the Interieurteils can be further reduced.

Depending on the desired mechanical stability of the component area and additional seams can be introduced by a textile blank is previously made of several parts, or formed by a fold or loop laying back outstanding seam areas that form additional stiffening ribs or struts after the introduction of the stiffening material ,

The textile blanks may preferably have sections that are used to form out of the back surface of the sewing dress protruding stabilizing struts, which are at least partially, preferably completely, also provided with the stiffening material. These stabilizing struts can be connected to one another, to one another and / or to one or more sections of the sewing dress. For this, the struts are designed as point to point (substantially linear) or point to multipoint (branched) struts. The struts may also have a varying width over their course or be connected to a (hollow) body, such as a pipe.

Alternatively or in addition, it is possible that the textile blanks are dimensioned so that at the seams in comparison to known seams larger supernatant is present, in which the stiffening material is introduced. The size of the seam projection (or after a previously defined trimming of the seam: the so-called seam stub) is preferably greater than 3 mm, particularly preferably more than 10 mm, depending on the mechanical stability to be achieved.

In order to avoid the penetration of stiffening material in the areas of the textile blanks, which are formed as a haptic zone, the blanks adjacent to the seam may additionally be temporarily or permanently pressed or embossed, so that a flow of the stiffening material is omitted in the aforementioned haptic.

In an alternative embodiment, additional stabilizing elements in the form of profiled rails can be applied in the region of the seams, which have a seam trench for positioning the seam and furthermore can have contouring support regions for the regions of the sewing dress adjacent to the seam. The profile rails can be connected to the sewing dress via the stiffening agent by an adhesive process or only via a clamping process with the previously stiffened seam area. The profile rails and the stiffening agent preferably have an identical matrix material (for example polypropylene (PP), ABS-PC).

The aforementioned stiffening ribs can have openings for optimizing the weight of the component, for example by the textile blanks already having cutouts at the corresponding locations and consequently no stiffening material remains or being arranged at these locations, or by opening the stiffening material after the stiffening material has been applied additional processing step are created (for example by a suitable cutting or punching process).

If the Nähkleid for later integration of other components in the Interieurteil, such as fittings, speakers, switch strips, or the like, already has breakthroughs, the textile blanks can be made larger at the openings facing the openings edge portions in their thickness, for example by an envelope of the Textile a fold or a bead is formed. After the introduction of the stiffening material, this area is characterized by a greater mechanical strength than the surrounding areas.

Furthermore, different areas of the sewing garment or fabric can be stabilized with different polymer penetration depths.

The stiffened textile preferably has means for fastening the interior trim to vehicle-mounted fastening means. In this case, in particular openings, slots, bores and the like are meant in the fabric impregnated with stiffening material. It is also possible to connect elements which have been specially designed to fasten the interior trim on vehicle-side areas before the application of the stiffening material to the sewing dress. By introducing the stiffening material, an additional connection and final positional fixation of the elements on the sewing dress can be achieved. By features of this kind is particularly emphasized that is dispensed with an injection-molded support in the conventional sense, at least in some areas of Interieurteils.

Preferably, a decorative layer is provided on the stiffening side facing away from the textile, ie on the decorative side, wherein in a preferred embodiment, stiffened portions of the textile at least partially project beyond the edge of the decor. Usually, the conventional carrier protrudes at least partially beyond the decorative edge, in order to ensure the vehicle-mounted ability to install the Interieurteils. Since the carrier function in the present invention is taken over by a part of the haptic layer, it protrudes at least partially over the edge of the decorative layer. These protruding, stiffened parts of the haptic layer serve as fastening elements and / or assembly aids for the interior design.

With the present invention, it is possible to store or transport the textile and the optionally associated decorative layer between the semifinished product prior to the production of the sewing garment and / or its stiffening. Since the semi-finished product does not yet have to have the final shape and is not yet stiffened, it is particularly easy and inexpensive to transport. The semifinished product is characterized in that the textile for the reason described above at least partially protrudes beyond the edge of the decorative layer and / or on the back has outstanding stabilizing struts and / or seam areas.

In a preferred embodiment, the semifinished product can already before or after the production of the sewing garment a stiffening of substantially flat areas of the haptic layer have, with the advantages described above in terms of transport and storage still exist. The stiffening of the substantially flat areas can be designed as a compact or apertured layer. In a subsequent step, the mechanical stability of the Interieurteils could be done by the additional stiffening of seam and / or contour areas and stabilization struts.

Preferably, at least a part of the part of the textile projecting beyond the edge of the decorative layer or projecting on the rear side is completely stiffened. In other words, in this case, a haptic zone is dispensed with in the region of the protrusion, since it mainly depends on the carrier function.

For the production of the invention Interieurteils is a method in which a device is used, in which the textile is introduced. The device gives the textile a three-dimensional shape that corresponds to the final shape of the Interieurteils. The introduction of the stiffening material in the textile via the device. Optionally, according to their subtasks, different or multiple devices may become necessary. For it is not necessarily surface areas that are stiffened, but above all contour areas or seam areas. Textile blanks can be introduced individually and already assembled as a sewing dress in a device of the above type and stiffened. In a particular embodiment, the lower layer of the sewing dress can be made injection-proof, so that the stiff contour sewing dress (while the upper layer and the pile threads are still movable) can be back-injected in a subsequent processing step. The back-injection can thin-walled and / or in the region of the seams for the formation of solid rib structures and / or include the spraying of fasteners and / or borders in breakthroughs.

In a preferred method step, the sewing dress is temporarily pressed adjacent to the contour regions and / or the seams in such a way that the stiffening material applied in the region of the seams can be applied locally to a limited extent. The pressing is preferably carried out in such a way that the function of the haptic layer after insertion is also given in the region of the seams, d. H. the haptic layer is pressed in such a way that essentially the so-called seam stub or other regions of the haptic layer projecting from the back of the sewing dress are substantially completely provided with the stiffening material.

Various other ways of performing the coating are conceivable. For example, the stiffening material can be sprayed, sprayed, poured or rolled. The textile may alternatively be soaked in a bath of stiffening material.

After infecting the stiffening material, this is cured and optionally subjected to a final shaping.

It is obvious to a person skilled in the art that the embodiments described above are only a selection of the possible implementations of the invention and that further, as yet unspecified variants would be possible inasmuch as they have the combination of features set forth in the claims.

For example, it would also be conceivable to produce the interiors of the invention for the time being without a decorative layer as a dimensionally stable three-dimensional component and to apply the decorative layer in a subsequent step, for example as a leather sewing dress, to the interior trim according to the invention.

Brief description of the drawings

1A shows schematically a cross section through a spacer knitted fabric;

1B shows an alternative spacer knit;

2A and 2 B schematically show cross sections through seams on a sewing dress made of spacer;

3A and 3B show spacer fabrics provided with openings or other structures;

4A schematically shows a sewing dress of different blanks;

4B schematically shows a cross section through seams on a sewing dress of different blanks;

5 shows a cutting plan for an instrument panel carrier;

6 shows the cross section through a sewing dress with multiple Nähkleidsegmenten and seams;

7 shows an alternative construction of the 6 ;

8th shows a seam with mounting aid;

9 shows the cross section through a directly coated spacer fabric with stabilization areas;

10A and 10B show joints of Nähkleidsegmenten with a guide frame;

11A to 11C show the conventional structure of an instrument panel carrier.

Ways to carry out the invention

1A schematically shows a cross section through a spacer fabric A, which is suitable as a textile for a haptic layer. The spacer fabric A has an upper cover layer 1 and a lower cover layer 2 on that with a pile layer 3 connected to each other. The polar layer 3 consists of pile threads or spacer threads, which are the two cover layers 1 and 2 connect together and keep at a distance. The spacer threads are symbolically represented as X-lapping, of course other types of lacing, such as N-lacing, are possible. The two cover layers 1 and 2 can consist of knitwear, for example knitted or knitted fabrics, in which a loop formed by means of a thread is looped into another loop, or layers of fabric which have at least two thread systems crossed at right angles. Furthermore, the cover layers can each consist of one or more knitted, knitted or woven fabric layers. In addition to the materials used, in particular the density of the pile threads determines the haptic behavior of the haptic layer.

The stiffening material P, which in the present case is a polymer, can only in the lower cover layer 2 or a part of the lower cover layer 2 be introduced. Alternatively, a part of the pile thread area 3 be mixed with the polymer P. In the latter case, it should be noted that not the entire pile thread height is offset with the polymer material P, so that the haptic ability of the spacer fabric A on the decorative side, ie on the side of the cover layer 1 , preserved. The polymer material P may be incorporated into the fabric by soaking, injecting, wetting, spraying, rolling or a combination thereof. In a preferred embodiment, unlike a textile material embedded in a polymer material P, the thread material is individually sheathed with polymer, thereby achieving the required stability with further weight reduction. For example, the wrapping of a thread with polymer can take place before or during the weaving or manufacturing process of the textile.

1B shows a further embodiment of the haptic material, which consists of a spacer fabric A with upper cover layer 1 , lower cover layer 2 and pile thread area 3 is constructed. The lower cover layer 2 is made by two partial cover layers 2 ' and 2 '' educated. In this embodiment, essentially two preferred possibilities for stiffening are mentioned. The two lower partial cover layers 2 ' and 2 '' can be prepared separately and at least one of both provided with a polymer. Alternatively it is possible to use the two lower partial cover layers 2 ' and 2 '' to be compounded with a polymer, as in the right part of the 1B outlined. In both cases, only the lower partial cover layer 2 '' be stiffened with a polymer P, wherein the other lower partial cover layer 2 ' left untreated. Furthermore, it is conceivable that the two lower partial cover layers 2 ' . 2 '' made of different materials. In question come in addition to textile materials and paper, wood, cellulose, metal, films and the like. The two lower partial cover layers 2 ' and 2 '' can be constructed over the entire surface or from sections. Of course, it is also possible in this embodiment, the spacer fabric A to the pile thread area 3 to be provided with a reinforcing material P. This can in turn be realized by soaking, spraying, rolling or wrapping individual fibers.

If a 3 mm thick spacer fabric A is soaked with resin, so that the lower cover layer 2 is completely stiffened, a weight saving of about 40% can be achieved compared to an injection-molded carrier with a thickness of 3 mm.

The cover layers 1 and 2 respectively. 1 . 2 ' . 2 '' may differ in their construction and their properties, for example their extensibility.

The upper cover layer 1 can already take over the function of the decorative layer. Alternatively, on the upper cover layer 1 a decorative layer laminated.

The 2A and 2 B demonstrate the stiffening of seams on a sewing dress made of a spacer knit A.

The spacer fabric A of both figures in turn has an upper cover layer 1 , a lower cover layer 2 and a pile thread area 3 on. In the figures are two spacer fabric A with seams 4 connected with each other. A plurality of these cut spacer fabrics A form a sewing dress, which in turn has a three-dimensional structure which already has or at least approximates the final shape of the interior trim to be produced. The lower cover layer 2 is stiffened by a polymer filling P. Due to the concentrated stiffening of two sides at the seams 4 Stabilizing ribs are formed, which specify a stabilization frame for the interior judgment in their entirety. Although in the 2A and 2 B a plane Stiffening along both blanks provided, however, it is conceivable that in some cases a stiffening only in the region of the seam is sufficient to achieve the required stability of the Interieurteils.

In the 2 B is the cross section of a distinct suture 4 shown, which is intended as a decorative seam next to the function of connecting two blanks. The production of such a seam, for example, via a suture sword. Also, the geometry generated via the seam sword can serve as a so-called seam trench, which has a seam area of a sewn decorative material applied to the upper cover layer, eg. B. receives leather.

In the following, the production of a strapless Interieurteils will be described in more detail.

First of all, a sewing dress is produced from a plurality of blanks of a spacer knit A and placed in a negative mold such that the still unstiffened sewing dress assumes the final, three-dimensional shape. Thereafter, polymer material P is applied by spraying, sprinkling, rolling or the like on the side facing away from the decor of the spacer fabric A. Alternatively, a preformed and activatable polymer film can be placed on the side facing away from the decor of the sewing dress. Subsequently, the tool is closed with a freely selectable press nip, so that the polymer is possibly activated and introduced into the spacer fabric A. After curing and, if necessary, after a final shaping, there is a partially stiffened textile layer which does not require any additional, conventional carrier and nevertheless has the desired haptic properties.

Depending on the coating quantity, temperature and press nip or pressing pressure, the proportion of the stiffening zone can be adjusted relative to the flexible zone. It should be noted that the Einbringtiefe or the density of the introduced polymer material does not have to be homogeneous, but can change along the extension of the decorative element to meet different stress zones of the decorative element. For this purpose, during the application of the polymer material and / or during the introduction of the material into the textile, in addition a stencil or masking on the side facing away from the decor can be used.

The entry of the polymer for stiffening the spacer fabric A can also be carried out by means of an HPF process (high-pressure molding). For this purpose, in a preferred embodiment, the lower cover layer 2 airtight coated with the polymer material. This coating is deformable or activatable for the actual HPF process. During deformation, the textile is mitverformt with the polymer and stabilized after cooling. The upper cover layer and part of the pile thread area remain flexible. It should be noted that the pile threads are distributed as homogeneously as possible in order not to give rise to preferred sink marks for the polymer when deforming the textile.

Even if the attention is paid to the polymer entry in the haptic material, this should not exclude the possibility that the interior trim can be provided with further layers, for example a decorative layer or stiffening inserts, which form the interiors as a composite. In other words, the spacer fabric A provided with a polymer insert can be part of a layer structure as long as the stiffened haptic layer is generally self-supporting.

The 3A and 3B show further embodiments of the Interieurteil to be used spacer fabric A, which in turn from an upper cover layer 1 , a lower cover layer 2 and a pile thread area 3 is constructed.

In the 3A are openings 5 provided in the stiffened area, which serve to mount the built-up of the spacer fabric A Interieurteils on vehicle-mounted fasteners. The depressions, openings, bores, slots and the like can be introduced via the textile construction or via subsequent treatment (thermal lasing, burn-in, etc.).

Also in the 3A are connecting threads 6 shown, which bridge the openings and are part of the textile. They serve to stabilize the introduced openings 5 ,

In the 3B Alternatively, a profile-like spacer fabric A is shown in which the production of depressions 7 not carried out by material removal of the lower cover layer, but by profiling. In other words, the lower cover layer was 2 not pierced but partially pressed into the textile. In the figure is a profile with rectangular openings 7 shown improved bonding with the polymer material 8th serves.

The 4A schematically shows a sewing dress, which is made of several, possibly different spacer materials. The spacer materials may differ in terms of their thickness, their basis weight, the textile structure, the incorporation of openings and the like. Using the example of an instrument panel carrier different load zones are realized here, for example in the airbag area, in the area for attachments or mounting parts and on mounting zones. Different zones are designated here by Z1 to Z4, their corresponding blanks are connected to each other at the seams N1 to N3. In cross-section of 4B it is shown that the zones Z1, Z2 and Z4 have different thicknesses. An additional ribbing of the overall structure is created by a stiffening of the seams N1 to N3. How out 4B it can be seen, the suture stub is substantially stiffened with the polymer. One or more of the sections Z1 to Z4 may also be designed as an airbag cover which ruptures in the event of triggering an airbag provided behind the decorative element. For this purpose, the polymer entry first takes place in a preferred production process. Subsequently, a tear-open region is produced by thinning, for example sharp-split, along a tear seam.

Coming back to the sewing dress, this can be made as a pure substructure material from blanks. The result is a sewing dress that has a three-dimensional shape. The sub-construction material sewing dress consists of at least one layer. The substructure materials may be textiles, nonwovens of synthetic or natural fibers or cellulose fibers, or a combination or mixture thereof. Preferred partial stiffening material groups are: thermoplastics, thermosets (for example PET, PP, PE, PA, PUR, TPU), natural fibers, natural fiber composites, resins, acrylate resins, polyester resins, epoxy resins, foams, dispersions with and without fillers, mixtures or combinations thereof. Different textiles can be put together to form a sewing dress and / or provided with different polymer insertion depths (with the remaining haptic thickness), in which case also the feel impression along the interior trim can be varied.

The joining of fabrics, textiles, nonwovens, nonwovens, fabrics, knitted fabrics, leather, leather-like fabrics, papers, cardboards, foils, sheets, composites or combinations thereof to a sewing dress by joining methods such as sewing, welding, gluing, pressing, stapling, force , substance and form-fitting processes.

The 5 shows an example of a cutting plan for an instrument panel carrier.

Here, the sewing dress consists of the blanks Z1, Z2 and Z3. The blank Z3 has a decorative layer Z3.1 made of leather, synthetic leather or a leather-like material, which is laminated directly onto a spacer material Z3.2. The spacer material Z3.2 protrudes at the edge over the decorative layer. Z2 is made of a synthetic material leather, leather, leather-like material, film, textile, paper or the like directly coated spacer material. Z1 is provided with a decorative layer Z1.1 made of leather, synthetic leather or a leather-like material, which is laminated on a spacer material or haptic material Z1.2. In contrast to Z3, a further layer or an insert part or molded part Z1.3 is applied.

The cross-section through an interior judgment, for example, by an instrument panel carrier constructed of plural sewing dress segments, is shown in FIG 6 shown. Hereby designated 1.3 a sewing dress made of sewing dress segments 1.3.1 to 1.3.3 is constructed. The segment 1.3.1 comprises a spacer fabric A, a nonwoven fabric or the like stiffened with a polymer P. The segments 1.3.2 and 1.3.3 are made of a spacer fabric A or fleece coated directly with PVC or PUR. In this case, with regard to a further weight saving, preferably only the thread material or the surface of the thread material is coated with a polymer P. In the enlarged section of the 6 denotes the reference numeral 10 the soft or haptic zone, wherein the reference numeral 11 the stiffening at a certain effective height H denotes. Optionally, the or a part of the seams with additional stabilizing elements 12 , such as rails, profile clamps, etc., or stabilized with an additional coating.

A comparable structure is in 7 shown. In addition, a decorative dress 13 intended. The decorative dress 13 may be constructed of a thermoforming sheet, a leather, a leather-like material, wood, paper and the like. Optionally, locally, an additional haptic coating 14 be provided on the decorative dress. The sewing dress 1.3 consists of sewing dress segments 1.3.1 to 1.3.3 with polymer stiffening. As described above, the segments consist of a layer with a dimensionally stable and haptic zone. Optionally, the seams with stabilizing elements 12 be strengthened. The impregnation with the polymer material can be carried out in segments, in layers or in a composite.

8th shows a particular embodiment of a seam into which an assembly aid 16 is implemented. The mounting aid 16 is a plastic part that fits into the joint of two segments 1.3.1 and 1.3.2 is sewn and forms part of the stiffening frame. The mounting aid can serve to guide and fix the interior judgment. In one case, assembly aids of this kind are introduced either before inserting the Nähkleids in the mentioned device and placed after inserting the Nähkleids with this in combination. In another case, the assembly aids are incorporated into the sewing dress and then introduced together into the device for introducing the polymer material P into the textile. In a third case, the sewing dress is first inserted into the device and then the assembly aids are introduced into the sewing dress. Cases 1 to 3 can also be combined.

With regard to the introduction of the polymer material, microperforations may be provided in the textile which form degassing bores for regulating the introduction depth of the polymer entry. Such degassing holes are schematically in the 9 shown and with the reference sign 25 designated. "A" refers to the spacer fabric A, which is in the form of two blanks with a seam 4 Is provided. On the left side of the interior judgment is a thinned area 26 shown with a stabilizing element 27 or a stabilizing coating. The stabilizing element or stabilizing coating is preferably porous or has blind holes to ensure anchoring to the polymeric material. Alternatively or additionally, the stabilizing elements or the stabilizing layer can have pins which penetrate into the spacer fabric A in a form-fitting manner. With the reference numerals 28 and 29 Further stabilizing elements or stabilizing layers are designated in the region of a blank or seam. Preferably, the area around the seam has been thinned out. Also in the area of the seam can blind holes or other hollow structures 30 be provided to ensure anchoring of the spacer fabric A with the stabilizing elements or the stabilizing layer.

10A shows a joint or seam of Nähkleidsegmenten that with a guide frame 31 Is provided. The guide frame 31 has a groove 32 for introducing and guiding the seam 4 on. In the 10B is a guide frame 31 ' for a folded seam 4 shown. Optional is a stiffening foil or a profile layer 33 provided with the frame 31 ' is in contact and can form a unity with this.

Claims (16)

Interieurteil for a vehicle having a haptic layer of textile (A), wherein a stiffening material (P) is introduced into the textile, that the textile is at least partially stiffened, wherein the insertion depth of the stiffening material (P) is always such that on the decorative side of the textile (A) a haptic zone ( 10 ) preserved. Interie judgment according to claim 1, characterized in that the textile (A) has a first layer on the decorative side and at least one associated with this second layer, wherein the insertion depth of the stiffening material (P) is always such that the stiffening material is not in the first layer is arranged. Interieurteil according to claim 1, characterized in that the textile (A) a spacer knitted fabric with an upper cover layer ( 1 ), a lower cover layer ( 2 ) and a pile thread area ( 3 ). Interie judgment according to claim 3, characterized in that the lower cover layer ( 2 ) of at least two layered partial cover layers ( 2 ' . 2 '' ), wherein at least one of the partial cover layers ( 2 '' ) is stiffened. Interie judgment according to claim 3 or 4, characterized in that the stiffening material (P) at least partially in one of the cover layers ( 2 ) is provided and in the pile thread area ( 3 ) may be provided, in which case the stiffening material (P) does not occupy the entire pile thread height. Interieurteil according to any one of the preceding claims, characterized in that the stiffening material (P) is a polymer, preferably from the group of thermoplastics or thermosets. Interie judgment according to claim 6, characterized in that the textile (A) is embedded in the polymer (P) or more textile threads of the polymer (P) are enveloped. Interie judgment according to one of the preceding claims, characterized in that the haptic layer of interconnected textile blanks (Z1, Z2, Z3) is constructed. Interieur judgment according to claim 8, characterized in that at least some interfaces ( 4 ) between the textile blanks (Z1, Z2, Z3) are stiffened so that they form stiffening ribs. Interieurteil according to any one of the preceding claims, characterized in that the stiffened textile (A) with means for fastening ( 5 ) of the Interieurteils on vehicle-mounted fasteners is equipped. Interieurteil according to one of the preceding claims, characterized in that on the side facing away from the stiffening of the textile, a decorative layer ( 13 ), wherein stiffened sections of the textile (A) at least partially over the edge of the decor ( 13 ) protrude. A method of making an interior article, comprising the steps of: a) applying or applying a textile (A) to a forming device; b) introduction of stiffening material (P) into the textile (A) by means of the device, so that the textile (A) is at least partially stiffened, wherein the insertion depth of the stiffening material (P) is always such, that on the decorative side of the textile (A) a haptic zone ( 10 ) preserved. A method according to claim 12, characterized in that the textile (A) prior to step a) from several textile blanks (Z1, Z2, Z3) is joined together, wherein at least some seams ( 4 ) between the textile blanks are stiffened so that they form stiffening ribs. A method according to claim 12 or 13, characterized in that the textile (A) with the stiffening material (P) is sprayed, wetted or soaked, or the stiffening material (P) is rolled. Semifinished product for further processing into an interior seal according to claim 11, wherein the semifinished product comprises a textile (A) and a decorative layer ( 13 ) and the textile (A) at least partially over the edge of the decorative layer ( 13 protruding). Semifinished product according to claim 15, characterized in that at least a part of the over the edge of the decorative layer ( 13 ) protruding part of the textile is completely stiffened.

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