EP2681081A1 - Interior trim panel for a motor vehicle - Google Patents

Interior trim panel for a motor vehicle

Info

Publication number
EP2681081A1
EP2681081A1 EP12706475.6A EP12706475A EP2681081A1 EP 2681081 A1 EP2681081 A1 EP 2681081A1 EP 12706475 A EP12706475 A EP 12706475A EP 2681081 A1 EP2681081 A1 EP 2681081A1
Authority
EP
European Patent Office
Prior art keywords
interior trim
film
metal layer
trim part
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12706475.6A
Other languages
German (de)
French (fr)
Inventor
Johanna Hoch
Gerhard Forster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Publication of EP2681081A1 publication Critical patent/EP2681081A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/263—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer having non-uniform thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005—Removing selectively parts of at least the upper layer of a multi-layer article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0415—Ornamental plaques, e.g. decorative panels, decorative veneers containing metallic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1028—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by bending, drawing or stretch forming sheet to assume shape of configured lamina while in contact therewith
    • Y10T156/1031—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by bending, drawing or stretch forming sheet to assume shape of configured lamina while in contact therewith with preshaping of lamina
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like
    • Y10T428/24157—Filled honeycomb cells [e.g., solid substance in cavities, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • Y10T428/24331—Composite web or sheet including nonapertured component
    • Y10T428/24339—Keyed

Definitions

  • the invention relates to an interior trim part for a motor vehicle according to the type defined in detail in the preamble of claim 1. Furthermore, the invention relates to a method for producing an interior trim part for a motor vehicle.
  • EP 1 577 165 B1 discloses a method for producing a motor vehicle interior trim part, in which a metal structure which is permeable perpendicularly to its surface area for fluids is connected to a barrier layer and a further layer, wherein the barrier layer penetrates the further layer through the metal structure limited. With this method, the scope for interior trim parts of motor vehicles should be increased.
  • interior trim parts can be made with the method described therein, there is still considerable interest in interior trim parts for motor vehicles, which enable novel effects, particularly with regard to the surface effect.
  • the solution according to the invention in which the film is present in the region of the at least one breakdown of the metal layer on the outer surface thereof, makes it possible to achieve completely new optical and haptic effects in interior trim parts for motor vehicles which can not be produced with the hitherto known technical means ,
  • the result is a visible part of the surface of the interior trim part, which is visible in the at least one opening, that is visible on the outside of the interior trim part. denden film a magnifying glass effect, which leads to a depth effect that has not yet been generated.
  • a further advantage of the solution according to the invention consists in the material combination present on the outside of the inner lining part by the different material of the foil and the metal layer. On the surface of the interior trim part so there are two different materials, which additionally reinforces the effect described.
  • the use of metal is particularly advantageous because, on the one hand, metal can be easily deformed to achieve the desired shape of the interior trim part, and it also has a very high stability to give the entire interior trim part a sufficiently high rigidity.
  • the thickness of the film is 0.7 - 1, 2 mm.
  • a thickness of the film in this area has proved to be a particularly good compromise with respect to a stiffness sufficient to prevent damage to the film on the one hand and a good deformability of the same on the other hand.
  • the size of the at least one aperture is at least 2 mm, preferably at least 3 mm.
  • a method for producing an interior trim part, in particular an interior trim part according to the invention, is specified in claim 9.
  • the inner lining part can be produced in a simple and reliable manner, wherein it is particularly advantageous that during the formation of the carrier layer at the same time the film is pressed through the at least one opening of the metal layer, so that very few operations for the production of the interior trim part are required , Further advantageous embodiments and modifications of the invention will become apparent from the remaining dependent claims.
  • an embodiment of the invention with reference to the drawing is shown in principle.
  • FIG. 1 shows a schematic partial view of an interior trim part according to the invention.
  • FIG. 2 shows a section through the inner lining part of FIG. 1.
  • Fig. 1 shows a portion of an interior trim part 1 for a motor vehicle, not shown.
  • the interior trim part 1 can be mounted in the interior of the motor vehicle in the area of a dashboard, on the inside of doors and at other locations known per se.
  • the interior trim part 1 has a carrier layer 2, a film 3 arranged on the carrier layer 2 and a metal layer 4 which is arranged on the film 3 and forms the outside of the interior trim part 1, that is to say the side of the interior of the motor vehicle facing it, which are also referred to as metal part can.
  • the inner lining part 1 thus formed may have any shape in order to be adapted to the shape of the component on which the inner lining part 1 is attached.
  • the metal layer 4 has at least one opening 5, in the present case a plurality of apertures 5, which are formed in the illustrated embodiment in honeycomb form and arranged side by side. In principle, however, any shapes and arrangements of the at least one opening 5 or of the multiplicity of openings 5 over the surface of the metal layer 4 are conceivable.
  • the interior trim part 1 is preferably produced as follows:
  • the at least one opening 5 or the openings 5 are produced, for example by means of a stamping method.
  • the metal layer 4 could also be an expanded metal part.
  • the metal layer 4 is deformed, to which also known methods can be used, and preferably painted or anodized. In principle, it is of course also possible to first reshape the metal layer 4 and then introduce the apertures 5 in the same.
  • the step of painting or anodizing, by which a kind of adhesion mediation between the metal layer 4 and the film 3 is achieved, can in principle be done at any time.
  • an aluminum material is particularly suitable for the same.
  • the film 3 which is preferably made of plastic, in particular of a transparent plastic such as polymethyl methacrylate, and preferably has a thickness between 0.7 - 1, 2 mm, is also deformed, in particular thermally deformed, and thereby in one of the shape of the metal layer 4 adapted form brought. Due to this thickness of the film 3, the magnifying effect described can be achieved particularly well.
  • the film 3 can be printed in a manner not shown in order to enhance the effect described yet.
  • the metal layer 4 and the film 3 are then placed touching each other in a tool, not shown, and it is preferably applied to the film 3 by so-called back injection a material for forming the carrier layer 2.
  • This application of the material for forming the carrier layer 2 takes place in such a way that the film 3 is pressed into the apertures 5 by the applied pressure such that the film 3, as described above, forms the outer surface of the inner lining part 1 in the region of the apertures 5 or on the outer surface of the interior trim part 1 is present.
  • the tool ensures that the film 3 does not protrude beyond the outer surface of the metal layer 4.
  • a plastic material is used to form the carrier layer 2, which can be processed in a conventional manner to form the carrier layer 2. If the carrier layer 2 has a light color, the effects described above are further enhanced.
  • a diameter or a clear width of at least 2 mm, preferably at least 3 mm has proved to be advantageous. If the aperture 5 is not formed symmetrically, as shown in the present case, the smallest side length of the aperture 5 should be at least 2 mm, preferably at least 3 mm. This ensures that the film 3 passes through the apertures 5 to the surface of the metal layer 4.

Abstract

An interior trim panel (1) for a motor vehicle has a support layer (2), a film (3) arranged on the support layer (2) and a metal layer (4) which is arranged on the film (3) and forms the outside of the interior trim panel (1). The metal layer (4) has at least one aperture (5). Part of the film (3) is located within the at least one aperture (5) and, in the region of the at least one aperture (5), forms the outer surface of the interior trim panel (1).

Description

Innenverkleidungsteil für ein Kraftfahrzeug  Interior trim part for a motor vehicle
Die Erfindung betrifft ein Innenverkleidungsteil für ein Kraftfahrzeug nach der im Oberbegriff von Anspruch 1 näher definierten Art. Des weiteren betrifft die Erfindung ein Verfahren zum Herstellen eines Innenverkleidungsteils für ein Kraftfahrzeug. The invention relates to an interior trim part for a motor vehicle according to the type defined in detail in the preamble of claim 1. Furthermore, the invention relates to a method for producing an interior trim part for a motor vehicle.
Aus der EP 1 577 165 B1 ist ein Verfahren zum Herstellen eines KFZ- Innenverkleidungsteils bekannt, bei dem eine senkrecht zu ihrer Flächigkeit für Fluide durchlässige Metallstruktur mit einer Sperrschicht und einer weiteren Schicht verbunden wird, wobei die Sperrschicht das Durchdringen der weiteren Schicht durch die Metallstruktur begrenzt. Mit diesem Verfahren soll der Gestaltungsspielraum bei Innenverkleidungsteilen von Kraftfahrzeugen erhöht werden. EP 1 577 165 B1 discloses a method for producing a motor vehicle interior trim part, in which a metal structure which is permeable perpendicularly to its surface area for fluids is connected to a barrier layer and a further layer, wherein the barrier layer penetrates the further layer through the metal structure limited. With this method, the scope for interior trim parts of motor vehicles should be increased.
Zwar können mit dem dort beschriebenen Verfahren bestimmte Ausführungen von Innenverkleidungsteilen hergestellt werden, es besteht jedoch weiterhin ein erhebliches Interesse an Innenverkleidungsteilen für Kraftfahrzeuge, die neuartige Effekte, insbesondere im Hinblick auf die Oberflächenwirkung, ermöglichen. Although certain embodiments of interior trim parts can be made with the method described therein, there is still considerable interest in interior trim parts for motor vehicles, which enable novel effects, particularly with regard to the surface effect.
Es ist daher Aufgabe der vorliegenden Erfindung, ein Innenverkleidungsteil für ein Kraftfahrzeug und ein Verfahren zu dessen Herstellung zu schaffen, die die Gestaltungsmöglichkeiten im Innenraum von Kraftfahrzeugen weiter erhöhen. It is therefore an object of the present invention to provide an interior trim part for a motor vehicle and a method for its production, which further increase the design options in the interior of motor vehicles.
Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 genannten Merkmale gelöst. According to the invention, this object is achieved by the features mentioned in claim 1.
Durch die erfindungsgemäße Lösung, bei welcher die Folie in dem Bereich des wenigstens einen Durchbruchs der Metallschicht an der äußeren Oberfläche derselben vorliegt, lassen sich vollkommen neue optische und haptische Effekte bei Innenverkleidungsteilen für Kraftfahrzeuge erzielen, die mit den bislang bekannten technischen Mitteln nicht erzeugt werden können. Insbesondere ergibt sich durch die in dem wenigstens einen Durchbruch vorliegende, also an der Außenseite des Innenverkleidungsteils sichtbare und einen Teil der Oberfläche des Innenverkleidungsteils bil- denden Folie ein Lupeneffekt, der zu einer bislang nicht erzeugbaren Tiefenwirkung führt. The solution according to the invention, in which the film is present in the region of the at least one breakdown of the metal layer on the outer surface thereof, makes it possible to achieve completely new optical and haptic effects in interior trim parts for motor vehicles which can not be produced with the hitherto known technical means , In particular, the result is a visible part of the surface of the interior trim part, which is visible in the at least one opening, that is visible on the outside of the interior trim part. denden film a magnifying glass effect, which leads to a depth effect that has not yet been generated.
Ein weiterer Vorteil der erfindungsgemäßen Lösung besteht in der auf der Außenseite des Innenverkleidungsteils vorliegenden Materialkombination durch das unterschiedliche Material der Folie und der Metallschicht. An der Oberfläche des Innenverkleidungsteil liegen also zwei unterschiedliche Materialien vor, was den beschriebenen Effekt zusätzlich verstärkt. Die Verwendung von Metall ist besonders vorteilhaft, da Metall einerseits sehr leicht verformt werden kann, um die gewünschte Form des Innenverkleidungsteils zu erreichen, und es außerdem eine sehr hohe Stabilität aufweist, um dem gesamten Innenverkleidungsteil eine ausreichend hohe Steifigkeit zu verleihen. A further advantage of the solution according to the invention consists in the material combination present on the outside of the inner lining part by the different material of the foil and the metal layer. On the surface of the interior trim part so there are two different materials, which additionally reinforces the effect described. The use of metal is particularly advantageous because, on the one hand, metal can be easily deformed to achieve the desired shape of the interior trim part, and it also has a very high stability to give the entire interior trim part a sufficiently high rigidity.
In einer sehr vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass die Dicke der Folie 0,7 - 1 ,2 mm beträgt. Eine Dicke der Folie in diesem Bereich hat sich als besonders guter Kompromiss hinsichtlich einer zur Verhinderung von Beschädigungen der Folie ausreichenden Steifigkeit einerseits und einer guten Verformbarkeit derselben andererseits erwiesen. In a very advantageous development of the invention can be provided that the thickness of the film is 0.7 - 1, 2 mm. A thickness of the film in this area has proved to be a particularly good compromise with respect to a stiffness sufficient to prevent damage to the film on the one hand and a good deformability of the same on the other hand.
Um sicherzustellen, dass die Folie durch den wenigstens einen Durchbruch an die Oberfläche der Metallschicht gelangen kann, kann in einer sehr vorteilhaften Weiterbildung der Erfindung vorgesehen sein, dass die Größe des wenigstens einen Durchbruchs mindestens 2 mm, vorzugsweise mindestens 3 mm beträgt. In order to ensure that the film can reach the surface of the metal layer through the at least one breakthrough, it can be provided in a very advantageous development of the invention that the size of the at least one aperture is at least 2 mm, preferably at least 3 mm.
Ein Verfahren zum Herstellen eines Innenverkleidungsteils, insbesondere eines erfindungsgemäßen Innenverkleidungsteils, ist in Anspruch 9 angegeben. A method for producing an interior trim part, in particular an interior trim part according to the invention, is specified in claim 9.
Mit diesem Verfahren kann das Innenverkleidungsteil auf einfache und zuverlässige Art und Weise hergestellt werden, wobei besonders vorteilhaft ist, dass bei der Bildung der Trägerschicht gleichzeitig die Folie durch den wenigstens einen Durchbruch der Metallschicht gepresst wird, sodass sehr wenige Arbeitsgänge zur Herstellung des Innenverkleidungsteils erforderlich sind. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den restlichen Unteransprüchen. Nachfolgend ist eine Ausführungsform der Erfindung anhand der Zeichnung prinzipmäßig dargestellt. With this method, the inner lining part can be produced in a simple and reliable manner, wherein it is particularly advantageous that during the formation of the carrier layer at the same time the film is pressed through the at least one opening of the metal layer, so that very few operations for the production of the interior trim part are required , Further advantageous embodiments and modifications of the invention will become apparent from the remaining dependent claims. Hereinafter, an embodiment of the invention with reference to the drawing is shown in principle.
Es zeigt: It shows:
Fig. 1 eine schematische Teilansicht eines erfindungsgemäßen Innenverklei- dungsteils; und 1 shows a schematic partial view of an interior trim part according to the invention; and
Fig. 2 einen Schnitt durch das Innenverkleidungsteil aus Fig. 1. 2 shows a section through the inner lining part of FIG. 1.
Fig. 1 zeigt einen Abschnitt eines Innenverkleidungsteils 1 für ein nicht dargestelltes Kraftfahrzeug. Das Innenverkleidungsteil 1 kann im Bereich eines Armaturenbretts, an der Innenseite von Türen und an anderen, an sich bekannten Stellen im Innenraum des Kraftfahrzeugs angebracht werden. Das Innenverkleidungsteil 1 weist eine Trägerschicht 2, eine auf der Trägerschicht 2 angeordnete Folie 3 und eine auf der Folie 3 angeordnete, die Außenseite des Innenverkleidungsteils 1 , also die dem Innenraum des Kraftfahrzeugs zugewandte Seite desselben bildende Metallschicht 4 auf, die auch als Metallteil bezeichnet werden kann. Prinzipiell kann das so gebildete Innenverkleidungsteil 1 eine beliebige Form aufweisen, um an die Form des Bauteils angepasst zu werden, an dem das Innenverkleidungsteil 1 angebracht wird. Fig. 1 shows a portion of an interior trim part 1 for a motor vehicle, not shown. The interior trim part 1 can be mounted in the interior of the motor vehicle in the area of a dashboard, on the inside of doors and at other locations known per se. The interior trim part 1 has a carrier layer 2, a film 3 arranged on the carrier layer 2 and a metal layer 4 which is arranged on the film 3 and forms the outside of the interior trim part 1, that is to say the side of the interior of the motor vehicle facing it, which are also referred to as metal part can. In principle, the inner lining part 1 thus formed may have any shape in order to be adapted to the shape of the component on which the inner lining part 1 is attached.
Die Metallschicht 4 weist wenigstens einen Durchbruch 5, im vorliegenden Fall eine Vielzahl von Durchbrüchen 5 auf, die in dem dargestellten Ausführungsbeispiel in Wabenform ausgebildet und nebeneinander angeordnet sind. Prinzipiell sind jedoch beliebige Formen und Anordnungen des wenigstens einen Durchbruchs 5 bzw. der Vielzahl von Durchbrüchen 5 über die Oberfläche der Metallschicht 4 denkbar. The metal layer 4 has at least one opening 5, in the present case a plurality of apertures 5, which are formed in the illustrated embodiment in honeycomb form and arranged side by side. In principle, however, any shapes and arrangements of the at least one opening 5 or of the multiplicity of openings 5 over the surface of the metal layer 4 are conceivable.
Aus dem Schnitt gemäß Fig. 2 geht hervor, dass ein Teil der Folie 3 sich innerhalb des wenigstens einen Durchbruchs 5 befindet und in dem Bereich des wenigstens einen Durchbruchs 5 die äußere Oberfläche des Innenverkleidungsteils 1 bildet. Das Innenverkleidungsteil 1 wird vorzugsweise folgendermaßen hergestellt: In dem Metallteil bzw. der Metallschicht 4 wird der wenigstens eine Durchbruch 5 bzw. werden die Durchbrüche 5 erzeugt, beispielsweise mittels eines Stanzverfahrens. Es ist jedoch auch möglich, die Durchbrüche 5 mittels Laserschneiden oder auf andere Art und Weise zu erzeugen. Beispielsweise ist es auch möglich, die Metallschicht 4 zu gießen und im Rahmen dieses Gießverfahrens die Durchbrüche 5 zu erzeugen. Bei der Metallschicht 4 könnte es sich auch um ein Streckmetallteil handeln. 2 shows that a part of the film 3 is located inside the at least one opening 5 and forms the outer surface of the inner lining part 1 in the region of the at least one opening 5. The interior trim part 1 is preferably produced as follows: In the metal part or the metal layer 4, the at least one opening 5 or the openings 5 are produced, for example by means of a stamping method. However, it is also possible to produce the openings 5 by means of laser cutting or in another way. For example, it is also possible to cast the metal layer 4 and to produce the openings 5 in the course of this casting process. The metal layer 4 could also be an expanded metal part.
Anschließend wird die Metallschicht 4 verformt, wozu ebenfalls auf an sich bekannte Verfahren zurückgegriffen werden kann, und vorzugsweise lackiert oder eloxiert. Prinzipiell ist es selbstverständlich auch möglich, die Metallschicht 4 zunächst umzuformen und anschließend die Durchbrüche 5 in dieselbe einzubringen. Auch der Schritt des Lackierens oder Eloxierens, durch den eine Art Haftvermittlung zwischen der Metallschicht 4 und der Folie 3 erreicht wird, kann im Prinzip zu einem beliebigen Zeitpunkt erfolgen. Im Falle des Eloxierens der Metallschicht 4 ist ein Aluminiumwerkstoff besonders gut für dieselbe geeignet. Subsequently, the metal layer 4 is deformed, to which also known methods can be used, and preferably painted or anodized. In principle, it is of course also possible to first reshape the metal layer 4 and then introduce the apertures 5 in the same. The step of painting or anodizing, by which a kind of adhesion mediation between the metal layer 4 and the film 3 is achieved, can in principle be done at any time. In the case of anodization of the metal layer 4, an aluminum material is particularly suitable for the same.
Die Folie 3, die vorzugsweise aus Kunststoff, insbesondere aus einem transparenten Kunststoff wie Polymethylmetacrylat, besteht, und vorzugsweise eine Dicke zwischen 0,7 - 1 ,2 mm aufweist, wird ebenfalls verformt, insbesondere thermisch verformt, und dabei in eine der Form der Metallschicht 4 angepasste Form gebracht. Durch diese Dicke der Folie 3 kann der beschriebene Lupeneffekt besonders gut erreicht werden. Die Folie 3 kann in nicht dargestellter Weise bedruckt werden, um den beschriebenen Effekt noch zu verstärken. The film 3, which is preferably made of plastic, in particular of a transparent plastic such as polymethyl methacrylate, and preferably has a thickness between 0.7 - 1, 2 mm, is also deformed, in particular thermally deformed, and thereby in one of the shape of the metal layer 4 adapted form brought. Due to this thickness of the film 3, the magnifying effect described can be achieved particularly well. The film 3 can be printed in a manner not shown in order to enhance the effect described yet.
Die Metallschicht 4 und die Folie 3 werden dann einander berührend in ein nicht dargestelltes Werkzeug eingelegt und es wird auf die Folie 3 vorzugsweise durch sogenanntes Hinterspritzen ein Material zur Bildung der Trägerschicht 2 aufgebracht. Dieses Aufbringen des Materials zur Bildung der Trägerschicht 2 erfolgt derart, dass durch den aufgebrachten Druck die Folie 3 so in die Durchbrüche 5 gepresst wird, dass die Folie 3, wie oben beschrieben, in dem Bereich der Durchbrüche 5 die äußere Oberfläche des Innenverkleidungsteils 1 bildet bzw. an der äußeren Oberfläche des Innenverkleidungsteils 1 vorliegt. Durch das Werkzeug ist sichergestellt, dass die Folie 3 nicht über die äußere Oberfläche der Metallschicht 4 übersteht. Vorzugsweise wird zur Bildung der Trägerschicht 2 ein Kunststoffmaterial verwendet, das in an sich bekannter Weise verarbeitet werden kann, um die Trägerschicht 2 zu bilden. Wenn die Trägerschicht 2 eine helle Farbe aufweist, werden die oben beschriebenen Effekte noch weiter verstärkt. The metal layer 4 and the film 3 are then placed touching each other in a tool, not shown, and it is preferably applied to the film 3 by so-called back injection a material for forming the carrier layer 2. This application of the material for forming the carrier layer 2 takes place in such a way that the film 3 is pressed into the apertures 5 by the applied pressure such that the film 3, as described above, forms the outer surface of the inner lining part 1 in the region of the apertures 5 or on the outer surface of the interior trim part 1 is present. The tool ensures that the film 3 does not protrude beyond the outer surface of the metal layer 4. Preferably, a plastic material is used to form the carrier layer 2, which can be processed in a conventional manner to form the carrier layer 2. If the carrier layer 2 has a light color, the effects described above are further enhanced.
Als Größe für den wenigstens einen Durchbruch 5 hat sich ein Durchmesser bzw. eine lichte Weite von mindestens 2 mm, vorzugsweise mindestens 3 mm, als vorteilhaft erwiesen. Falls der Durchbruch 5 nicht, wie im vorliegenden Fall dargestellt, symmetrisch ausgebildet ist, sollte die geringste Seitenlänge des Durchbruchs 5 mindestens 2 mm, vorzugsweise mindestens 3 mm, betragen. Dadurch ist sichergestellt, dass die Folie 3 durch die Durchbrüche 5 an die Oberfläche der Metallschicht 4 gelangt. As a size for the at least one opening 5, a diameter or a clear width of at least 2 mm, preferably at least 3 mm, has proved to be advantageous. If the aperture 5 is not formed symmetrically, as shown in the present case, the smallest side length of the aperture 5 should be at least 2 mm, preferably at least 3 mm. This ensures that the film 3 passes through the apertures 5 to the surface of the metal layer 4.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Innenverkleidungsteil für ein Kraftfahrzeug, mit einer Trägerschicht, einer auf der Trägerschicht angeordneten Folie und einer auf der Folie angeordneten, die Außenseite des Innenverkleidungsteils bildenden Metallschicht, 1. Interior trim part for a motor vehicle, comprising a carrier layer, a foil arranged on the carrier layer and a metal layer which is arranged on the foil and forms the outside of the inner lining part,
dadurch gekennzeichnet, dass  characterized in that
die Metallschicht (4) wenigstens einen Durchbruch (5) aufweist, und dass ein Teil der Folie (3) sich innerhalb des wenigstens einen Durchbruchs (5) befindet und in dem Bereich des wenigstens einen Durchbruchs (5) die äußere Oberfläche des Innenverkleidungsteils (1) bildet.  the metal layer (4) has at least one opening (5), and that a part of the film (3) is located inside the at least one opening (5) and in the region of the at least one opening (5) the outer surface of the inner lining part (1 ).
2. Innenverkleidungsteil nach Anspruch 1 , 2. interior trim part according to claim 1,
dadurch gekennzeichnet, dass  characterized in that
die Dicke der Folie (3) 0,7 - 1 ,2 mm beträgt.  the thickness of the film (3) is 0.7-1.2 mm.
3. Innenverkleidungsteil nach Anspruch 1 oder 2, 3. interior trim part according to claim 1 or 2,
dadurch gekennzeichnet, dass  characterized in that
die Größe des wenigstens einen Durchbruchs (5) mindestens 2 mm, vorzugsweise mindestens 3 mm beträgt.  the size of the at least one opening (5) is at least 2 mm, preferably at least 3 mm.
4. Innenverkleidungsteil nach Anspruch 1 , 2 oder 3, 4. interior trim part according to claim 1, 2 or 3,
dadurch gekennzeichnet, dass  characterized in that
die Metallschicht (4) mehrere in Wabenform ausgebildete, nebeneinander angeordnete Durchbrüche (5) aufweist.  the metal layer (4) has a plurality of honeycomb-shaped, juxtaposed openings (5).
5. Innenverkleidungsteil nach einem der Ansprüche 1 bis 4, 5. interior trim part according to one of claims 1 to 4,
dadurch gekennzeichnet, dass  characterized in that
die Folie (3) aus einem Kunststoff, vorzugsweise aus einem transparenten Kunststoff, insbesondere aus Polymethylmethacrylat, besteht.  the film (3) consists of a plastic, preferably of a transparent plastic, in particular of polymethyl methacrylate.
6. Innenverkleidungsteil nach einem der Ansprüche 1 bis 5, 6. interior trim part according to one of claims 1 to 5,
dadurch gekennzeichnet, dass  characterized in that
die Metallschicht (4) lackiert oder eloxiert ist. the metal layer (4) is painted or anodized.
7. Innenverkleidungsteil nach einem der Ansprüche 1 bis 6, 7. interior trim part according to one of claims 1 to 6,
dadurch gekennzeichnet, dass  characterized in that
die Metallschicht (4) aus einem Aluminiumwerkstoff besteht.  the metal layer (4) consists of an aluminum material.
8. Innenverkleidungsteil nach einem der Ansprüche 1 bis 7, 8. interior trim part according to one of claims 1 to 7,
dadurch gekennzeichnet, dass  characterized in that
die Trägerschicht (2) aus einem Kunststoffmaterial besteht.  the carrier layer (2) consists of a plastic material.
9. Verfahren zum Herstellen eines Innenverkleidungsteils für ein Kraftfahrzeug mit folgenden Verfahrensschritten: 9. A method for producing an interior trim part for a motor vehicle with the following method steps:
in einer die Außenseite des Innenverkleidungsteils (1) bildenden Metallschicht (4) wird wenigstens ein Durchbruch (5) erzeugt,  in at least one opening (5) is produced in a metal layer (4) forming the outside of the interior trim part (1),
die Metallschicht (4) wird verformt,  the metal layer (4) is deformed,
eine Folie (3) wird verformt,  a foil (3) is deformed,
die Metallschicht (4) und die Folie (3) werden einander berührend in ein Werkzeug eingelegt,  the metal layer (4) and the film (3) are placed touching each other in a tool,
auf die Folie (3) wird ein Material zur Bildung einer Trägerschicht (2) derart aufgebracht, dass durch den aufgebrachten Druck ein Teil der Folie (3) so in den wenigstens einen Durchbruch (5) gepresst wird, dass der sich in dem Durchbruch (5) befindliche Teil der Folie (3) die äußere Oberfläche des Innenverkleidungsteils (1) bildet.  A material for forming a carrier layer (2) is applied to the film (3) in such a way that, as a result of the applied pressure, a part of the film (3) is pressed into the at least one aperture (5) which is located in the aperture (FIG. 5) located part of the film (3) forms the outer surface of the inner lining part (1).
10. Verfahren nach Anspruch 9, 10. The method according to claim 9,
dadurch gekennzeichnet, dass  characterized in that
die Folie (3) thermisch verformt wird.  the film (3) is thermally deformed.
EP12706475.6A 2011-03-02 2012-02-25 Interior trim panel for a motor vehicle Withdrawn EP2681081A1 (en)

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DE102011012789A DE102011012789A1 (en) 2011-03-02 2011-03-02 Interior trim part for a motor vehicle
PCT/EP2012/000820 WO2012116800A1 (en) 2011-03-02 2012-02-25 Interior trim panel for a motor vehicle

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