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DE4419197A1 - Process for the production of a paint finish with a coloured decoration - Google Patents

Process for the production of a paint finish with a coloured decoration

Info

Publication number
DE4419197A1
DE4419197A1 DE4419197A DE4419197A DE4419197A1 DE 4419197 A1 DE4419197 A1 DE 4419197A1 DE 4419197 A DE4419197 A DE 4419197A DE 4419197 A DE4419197 A DE 4419197A DE 4419197 A1 DE4419197 A1 DE 4419197A1
Authority
DE
Germany
Prior art keywords
paint
decor
color
layer
component
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.)
Ceased
Application number
DE4419197A
Other languages
German (de)
Inventor
Hans-Ulrich Trescher
Manfred Dr Meier
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE4419197A priority Critical patent/DE4419197A1/en
Publication of DE4419197A1 publication Critical patent/DE4419197A1/en
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005Removing selectively parts of at least the upper layer of a multi-layer article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/228Removing surface-material, e.g. by engraving, by etching by laser radiation

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A process for the production of a paint finish having a coloured decoration on a component (1) proposes first applying a paint film (4) in the desired decoration colour to the component (1) and then applying a further paint film (5) in the desired principal colour of the finish on top of the first film. After curing, part (6) of the further paint film (5) is removed by means of a laser to the depth of the paint film (4) having the desired decoration colour, so that subsequent filling of the zone (6) where the paint has been removed is not necessary for producing the decoration colour (Figure 2). <IMAGE>

Description

Die Erfindung betrifft ein Verfahren gemäß dem Oberbegriff des Patentanspruchs 1. Ein derartiges Verfahren ist beispielsweise aus einem Prospekt "Materialbearbeitung mit dem Laser - Par­ tielles Entlacken" der Firma Heraeus Industrielaser in der Weise bekannt, daß mittels eines Lasers - genannt ist dort ein CO₂-Laser - in eine durch Pulverbeschichtung hergestellte Lack­ schicht durch partiellen Lackabtrag gleichsam eine Rinne mit dem gewünschten Dekorverlauf eingearbeitet und dort durch galva­ nische Beschichtung, also gleichsam nachträgliches Ausfüllen der Rinne, die gewünschte Dekorfarbe erzeugt wird.The invention relates to a method according to the preamble of Claim 1. Such a method is for example from a brochure "Material processing with the laser par tical paint stripping "from Heraeus Industrielaser in this way known that by means of a laser - is called there CO₂ laser - in a coating made by powder coating layers a gutter with the the desired decor pattern incorporated and there by galva African coating, so to speak, filling out the Channel, the desired decor color is created.

Dieses bekannte Verfahren bietet zwar erhebliche Vorteile gegen­ über dem üblichen nachträglichen Auftragen eines Dekors auf die Lackschicht beispielsweise in Gestalt eines Bandes, ist aber insofern nachteilig, als eigens zur "Gewinnung" der Farbe des Dekors ein besonderer Arbeitsgang - dort Galvanisieren - er­ forderlich ist. Insbesondere bei großen zu lackierenden Bau­ teilen, wie Kraftfahrzeugkarosserien, ist ein derartiger zusätzlicher Aufwand aber kostenträchtig und unerwünscht.This known method offers considerable advantages against over the usual subsequent application of a decor to the Lacquer layer, for example in the form of a tape, but is disadvantageous in that especially for "obtaining" the color of the Decor a special step - electroplating there - he is required. Especially for large buildings to be painted sharing, such as automobile bodies, is one such additional effort but costly and undesirable.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, ein gattungs­ gemäßes Verfahren unter Wahrung der Vorteile des partiellen Lackabtrags (scharfe Konturen sind schnell herstellbar) zu schaffen, das einen zusätzlichen Arbeitsgang eigens zur Gewin­ nung der Farbe des Dekors vermeidet.The invention is therefore based on the object, a genus according procedure while preserving the advantages of the partial Paint removal (sharp contours can be produced quickly) too  create an additional work step specifically to win avoids the color of the decor.

Die erfindungsgemäße Lösung dieser Aufgabe besteht in den kennzeichnenden Merkmalen des Hauptanspruchs, eine vorteilhafte Ausführungsform der Erfindung beschreibt der Unteranspruch.The inventive solution to this problem consists in the characterizing features of the main claim, an advantageous Embodiment of the invention describes the subclaim.

Der besondere Vorteil der Erfindung liegt darin, daß die in der gewünschten Dekorfarbe gehaltene Lackschicht, die sich über die gesamte zu lackierende Oberfläche des Bauteils erstreckt, einen zusätzlichen Schutz des Bauteils darstellt. In aller Regel ist eine derartige Lackschicht in Gestalt einer sogenannten Füller­ schicht ohnehin vorhanden, so daß in der Mehrzahl der Anwen­ dungsfälle des erfindungsgemäßen Verfahrens die Gewinnung der Dekorfarbe überhaupt keinen zusätzlichen Arbeitsgang erfordert.The particular advantage of the invention is that the desired decor color held varnish layer, which over the extends the entire surface of the component to be painted, one represents additional protection of the component. Usually is such a layer of paint in the form of a so-called filler layer is present anyway, so that in the majority of users Application cases of the method according to the invention, the extraction of Decor color does not require any additional work at all.

Zwecks Konservierung und Vergleichmäßigung der Oberfläche der Lackierung nach dem partiellen Lackabtrag, der sich also nur so tief erstreckt, daß die in der gewünschten Dekorfarbe gehaltene Lackschicht freigelegt wird, kann gemäß Anspruch 2 nach dem partiellen Lackabtrag eine Klarsichtschicht aufgebracht werden, wie sie bei vielen Teilen, insbesondere Kraftfahrzeugkaros­ serien, ohnehin aufgebracht wird, beispielsweise um einen besonderen Effekt (Perleffekt) zu erzielen.In order to preserve and even out the surface of the Painting after the partial removal of paint, which is just so extends deeply, that in the desired decor color Paint layer is exposed, according to claim 2 after a clear layer can be partially applied, as with many parts, especially motor vehicle checks series, is applied anyway, for example by one to achieve a special effect (pearl effect).

Die Erfindung wird im folgenden anhand der Zeichnung erläutert, deren Figuren senkrechte Schnitte durch Bauteil nebst Lackierung in verschiedenen Fertigungsstadien darstellen.The invention is explained below with reference to the drawing, whose figures are vertical cuts through the component and the paintwork in different stages of production.

Betrachtet man zunächst Fig. 1, so ist auf das Bauteil 1, hier eine Kraftfahrzeugkarosserie (es kann sich aber auch um ein Kunststoffteil handeln), die Phosphatierung 2, darüber die Grun­ dierung 3, die in der gewünschten Farbe des Dekors gehaltene Füllerschicht 4 und darüber die Decklackschicht 5 aufgetragen, deren Farbe identisch mit der gewünschten Farbe der Lackierung außerhalb des Dekors ist. Looking first at Fig. 1, it is on the component 1 , here a motor vehicle body (but it can also be a plastic part), the phosphating 2 , above the base 3 , the filler layer 4 and held in the desired color of the decor applied the top coat layer 5 , the color of which is identical to the desired color of the paint outside the decor.

Nach Aushärtung aller dieser Schichten wird mittels eines bekannten Lasers, der zweckmäßigerweise mit einem gesteuerten Roboter kombiniert ist, entsprechend Fig. 2 die Decklackschicht partiell bei 6 entsprechend der gewünschten Dekorform abgetra­ gen. Dieser Bereich 6 erscheint also in der Farbe der Füller­ schicht 4 und ist scharf gegenüber der verbleibenden Decklack­ schicht 5 abgegrenzt.After all of these layers have hardened, the top coat layer is partially removed at 6 according to the desired decorative shape by means of a known laser, which is expediently combined with a controlled robot, as shown in FIG. 2. This area 6 thus appears in the color of the filler layer 4 and is sharply demarcated from the remaining topcoat layer 5 .

Wie in Fig. 3 dargestellt, kann nach diesem partiellen Lackab­ trag in der Zone 6 die Lackierung durch eine Klarlackschicht 7 komplettiert werden, die die Ausnehmung 6 zumindest teilweise ausfüllt. Diese Klarlackschicht kann zur Erzeugung besonderer Effekte dienen.As shown in Fig. 3, after this partial paint removal in zone 6, the painting can be completed by a clear coat 7 which at least partially fills the recess 6 . This clear coat can be used to create special effects.

Selbst dann, wenn man für die Füllerschicht 4 nur eine einzige Farbe vorsieht, kann durch Variation der Farbe der Decklack­ schicht 5 eine Vielzahl von Farbkombinationen erzeugt werden. Dies gilt verständlicherweise in verstärktem Maße, wenn man auch verschiedenfarbige Füllerschichten 4 einsetzt.Even if only one single color is provided for the filler layer 4 , a variety of color combinations can be produced by varying the color of the top coat layer 5 . Understandably, this applies to an increased extent if one also uses filler layers 4 of different colors.

Mit der Erfindung ist demgemäß ein gattungsgemäßes Verfahren geschaffen, das mit gegenüber dem Stand der Technik verringertem Fertigungsaufwand auskommt.Accordingly, the invention is a generic method created that with reduced compared to the prior art Manufacturing effort comes out.

Claims (2)

1. Verfahren zum Herstellen einer ein farbiges Dekor aufweisen­ den Lackierung auf einem Bauteil mit partiellem Lackabtragen entsprechend der gewünschten Dekorkontur mittels eines Laser­ strahls, dadurch gekennzeichnet, daß auf das Bauteil (1) zu­ nächst eine Lackschicht (4) in der gewünschten Dekorfarbe und darüber eine weitere Lackschicht (5) in der außerhalb des Dekors gewünschten Farbe der Lackierung aufgebracht werden und nach Aushärtung derselben der partielle Lackabtrag (6) begrenzt auf die weitere Lackschicht (5) vorgenommen wird.1. A method for producing a colored decor have the paint on a component with partial paint removal according to the desired decor contour by means of a laser beam, characterized in that on the component ( 1 ) next to a paint layer ( 4 ) in the desired decor color and above a further lacquer layer ( 5 ) is applied in the color of the lacquer desired outside the decor and, after it has hardened, the partial lacquer removal ( 6 ) is carried out limited to the further lacquer layer ( 5 ). 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß nach dem partiellen Lackabtrag (6) eine Klarlackschicht (7) aufge­ bracht wird.2. The method according to claim 1, characterized in that after the partial paint removal ( 6 ) a clear coat ( 7 ) is brought up.
DE4419197A 1993-06-11 1994-06-01 Process for the production of a paint finish with a coloured decoration Ceased DE4419197A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4419197A DE4419197A1 (en) 1993-06-11 1994-06-01 Process for the production of a paint finish with a coloured decoration

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4319447 1993-06-11
DE4419197A DE4419197A1 (en) 1993-06-11 1994-06-01 Process for the production of a paint finish with a coloured decoration

Publications (1)

Publication Number Publication Date
DE4419197A1 true DE4419197A1 (en) 1994-12-15

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Application Number Title Priority Date Filing Date
DE4419197A Ceased DE4419197A1 (en) 1993-06-11 1994-06-01 Process for the production of a paint finish with a coloured decoration

Country Status (1)

Country Link
DE (1) DE4419197A1 (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005965A1 (en) * 1995-08-07 1997-02-20 Mida S.R.L. Method for coating and decorating surfaces in general
DE19701547A1 (en) * 1996-09-10 1998-03-12 Schmalbach Lubeca Metallic background with contrasting visual structures
WO2000046045A2 (en) * 1999-02-04 2000-08-10 Textron Automotive Company Inc. Method for forming design in a layered panel using a laser
US6169266B1 (en) 1998-03-25 2001-01-02 Xirom, Inc. Etching of multi-layered coated surfaces to add graphic and text elements to an article
WO2001015916A1 (en) * 1999-08-31 2001-03-08 Xircom, Inc. Etching of multi-layered coated surfaces to add graphic and text elements to an article
WO2001039991A1 (en) * 1999-12-01 2001-06-07 Techni-Coat International, Naamloze Vennootschap Method for the ornamental treatment of objects
EP1238816A1 (en) 2001-03-05 2002-09-11 INTERCOS ITALIA S.p.A. Process for the provision of variedly coloured incisions on compact or poured cosmetic products
FR2855455A1 (en) * 2003-05-26 2004-12-03 Techpack Int METHOD FOR DECORATING A SUPPORT INCLUDING A TRANSPARENT OUTER LAYER
FR2865945A1 (en) * 2004-02-10 2005-08-12 Mvm Furniture panel e.g. door panel, decorating process, involves applying set of decorative layers on hollow parts of panel, and another set of decorative layers on front side before drying
FR2869816A1 (en) * 2004-05-03 2005-11-11 Kuo Bin Chen Formation of coating on wheel by surface enameling process guarding layer formed by spreading enamel made of majority of resin, surface turning process guarding layer and color layer, and surface electroplating process electroplated layer
DE102005046264A1 (en) * 2005-09-27 2007-04-12 Kronotec Ag Timber material panel manufacturing method for lining e.g. cover, involves laying raw pore layer, and positioning pores on pore layer using laser operation, where pattern is applied on pore layer
EP2574419A1 (en) 2011-09-29 2013-04-03 Borbet GmbH Wheel with optically designed outer surface and method for producing same
WO2018028950A1 (en) * 2016-08-08 2018-02-15 BSH Hausgeräte GmbH Method for producing a coated plastic panel, a plastic panel, and household appliance containing said plastic panel
EP3530476A1 (en) * 2018-02-27 2019-08-28 Compagnie Plastic Omnium Treatment of a painted surface using a laser
FR3089433A1 (en) * 2018-12-10 2020-06-12 Exel Industries Method for forming at least one pattern on a part
DE102019118640A1 (en) * 2019-07-10 2021-01-14 HELLA GmbH & Co. KGaA Method for producing a partially translucent component and partially translucent component for a vehicle body
EP3772381A1 (en) * 2019-08-05 2021-02-10 Compagnie Plastic Omnium SE Method for manufacturing a transparent vehicle part
DE102019123495A1 (en) * 2019-09-03 2021-03-04 Bayerische Motoren Werke Aktiengesellschaft Process for the production of a multicolored visible component
US11358173B2 (en) 2019-08-05 2022-06-14 Compagnie Plastic Omnium Se Method for manufacturing a transparent vehicle part
GB2605178B (en) * 2021-03-25 2025-02-19 Bayerische Motoren Werke Ag Method for finishing motor vehicle parts and products produced therefrom

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03146174A (en) * 1989-10-31 1991-06-21 Toyoda Gosei Co Ltd Development of pattern in decorative article
DE4134271C1 (en) * 1991-10-17 1992-12-24 Leonhard Kurz Gmbh & Co, 8510 Fuerth, De

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03146174A (en) * 1989-10-31 1991-06-21 Toyoda Gosei Co Ltd Development of pattern in decorative article
DE4134271C1 (en) * 1991-10-17 1992-12-24 Leonhard Kurz Gmbh & Co, 8510 Fuerth, De

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005965A1 (en) * 1995-08-07 1997-02-20 Mida S.R.L. Method for coating and decorating surfaces in general
DE19701547A1 (en) * 1996-09-10 1998-03-12 Schmalbach Lubeca Metallic background with contrasting visual structures
US6169266B1 (en) 1998-03-25 2001-01-02 Xirom, Inc. Etching of multi-layered coated surfaces to add graphic and text elements to an article
US6633019B1 (en) 1999-02-04 2003-10-14 Textron Automotive Company, Inc. Method for forming design in a layered panel using a laser
WO2000046045A3 (en) * 1999-02-04 2000-12-28 Textron Automotive Co Inc Method for forming design in a layered panel using a laser
WO2000046045A2 (en) * 1999-02-04 2000-08-10 Textron Automotive Company Inc. Method for forming design in a layered panel using a laser
WO2001015916A1 (en) * 1999-08-31 2001-03-08 Xircom, Inc. Etching of multi-layered coated surfaces to add graphic and text elements to an article
WO2001039991A1 (en) * 1999-12-01 2001-06-07 Techni-Coat International, Naamloze Vennootschap Method for the ornamental treatment of objects
BE1013163A3 (en) * 1999-12-01 2001-10-02 Techni Coat International Nv Method for the treatment of decorative items.
EP1238816A1 (en) 2001-03-05 2002-09-11 INTERCOS ITALIA S.p.A. Process for the provision of variedly coloured incisions on compact or poured cosmetic products
FR2855455A1 (en) * 2003-05-26 2004-12-03 Techpack Int METHOD FOR DECORATING A SUPPORT INCLUDING A TRANSPARENT OUTER LAYER
FR2865945A1 (en) * 2004-02-10 2005-08-12 Mvm Furniture panel e.g. door panel, decorating process, involves applying set of decorative layers on hollow parts of panel, and another set of decorative layers on front side before drying
FR2869816A1 (en) * 2004-05-03 2005-11-11 Kuo Bin Chen Formation of coating on wheel by surface enameling process guarding layer formed by spreading enamel made of majority of resin, surface turning process guarding layer and color layer, and surface electroplating process electroplated layer
DE102005046264B4 (en) * 2005-09-27 2013-10-17 Kronotec Ag Method for producing a panel with a surface coating
DE102005046264A1 (en) * 2005-09-27 2007-04-12 Kronotec Ag Timber material panel manufacturing method for lining e.g. cover, involves laying raw pore layer, and positioning pores on pore layer using laser operation, where pattern is applied on pore layer
EP2574419A1 (en) 2011-09-29 2013-04-03 Borbet GmbH Wheel with optically designed outer surface and method for producing same
CN109562411B (en) * 2016-08-08 2021-09-28 Bsh家用电器有限公司 Method for producing a coated plastic panel, plastic panel and household appliance comprising the plastic panel
CN109562411A (en) * 2016-08-08 2019-04-02 Bsh家用电器有限公司 For manufacturing the method for coated plastic front board, plastic front board and comprising the household appliance of the plastic front board
WO2018028950A1 (en) * 2016-08-08 2018-02-15 BSH Hausgeräte GmbH Method for producing a coated plastic panel, a plastic panel, and household appliance containing said plastic panel
EP3530476A1 (en) * 2018-02-27 2019-08-28 Compagnie Plastic Omnium Treatment of a painted surface using a laser
FR3078272A1 (en) * 2018-02-27 2019-08-30 Compagnie Plastic Omnium TREATMENT OF A PAINTED SURFACE USING A LASER
CN110194019A (en) * 2018-02-27 2019-09-03 全耐塑料公司 By means of laser process painted surface
FR3089433A1 (en) * 2018-12-10 2020-06-12 Exel Industries Method for forming at least one pattern on a part
DE102019118640A1 (en) * 2019-07-10 2021-01-14 HELLA GmbH & Co. KGaA Method for producing a partially translucent component and partially translucent component for a vehicle body
FR3099713A1 (en) * 2019-08-05 2021-02-12 Compagnie Plastic Omnium Se Manufacturing process of a transparent vehicle part
EP3772381A1 (en) * 2019-08-05 2021-02-10 Compagnie Plastic Omnium SE Method for manufacturing a transparent vehicle part
US11305312B2 (en) 2019-08-05 2022-04-19 Compagnie Plastic Omnium Se Method for manufacturing a transparent vehicle part
US11358173B2 (en) 2019-08-05 2022-06-14 Compagnie Plastic Omnium Se Method for manufacturing a transparent vehicle part
DE102019123495A1 (en) * 2019-09-03 2021-03-04 Bayerische Motoren Werke Aktiengesellschaft Process for the production of a multicolored visible component
GB2605178B (en) * 2021-03-25 2025-02-19 Bayerische Motoren Werke Ag Method for finishing motor vehicle parts and products produced therefrom

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