EP2743007A1 - Baguette de carrosserie bicolore et procédé de peinture d'une telle baguette de carrosserie - Google Patents

Baguette de carrosserie bicolore et procédé de peinture d'une telle baguette de carrosserie Download PDF

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Publication number
EP2743007A1
EP2743007A1 EP13195269.9A EP13195269A EP2743007A1 EP 2743007 A1 EP2743007 A1 EP 2743007A1 EP 13195269 A EP13195269 A EP 13195269A EP 2743007 A1 EP2743007 A1 EP 2743007A1
Authority
EP
European Patent Office
Prior art keywords
layer
strip
lacquer
profile
lacquer layer
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.)
Granted
Application number
EP13195269.9A
Other languages
German (de)
English (en)
Other versions
EP2743007B1 (fr
Inventor
Martin Trier
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.)
Samvardhana Motherson Innovative Autosystems BV and Co KG
Original Assignee
Kunstoff Technik Scherer and Trier GmbH and Co KG
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 Kunstoff Technik Scherer and Trier GmbH and Co KG filed Critical Kunstoff Technik Scherer and Trier GmbH and Co KG
Publication of EP2743007A1 publication Critical patent/EP2743007A1/fr
Application granted granted Critical
Publication of EP2743007B1 publication Critical patent/EP2743007B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B05D1/286—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers using a temporary backing to which the coating has been applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones

Definitions

  • the present invention relates to an at least two-colored body strip, in particular a two-colored roof molding for a motor vehicle.
  • the present invention further relates to a method for painting an at least two-color body strip.
  • Body panels are used in vehicles of all kinds, especially in automobiles. Most such body panels are visible from the outside attached to a body and serve to cover a gap or a connecting portion. Such body panels are often used for design reasons, for example, to improve the appearance of the vehicle. Body panels may also have important functions in the field of water management and / or aerodynamics of a vehicle.
  • a particularly common form of such a body strip is a roof molding.
  • Roof trim strips serve the purpose of covering and / or sealing a joint between a roof panel and a side wall panel of a body of a motor vehicle.
  • the visual appearance of the roof bar is usually very important.
  • the European patent application EP 2 067 604 A2 describes such a roof trim strip, in which a transparent or monochrome transfer lacquer film is applied to the roof trim strip.
  • the present invention seeks to provide an improved two-color body strip and a method for painting such a body strip.
  • this object is achieved by a body strip with the features of claim 1 and / or by a method having the features of claim 8.
  • the idea on which the present invention is based is to use a lacquer carrier for lacquering an at least two-color body bar which has a lacquer or a lacquer film with a masking provided thereon.
  • This paint carrier is applied to a portion of the visible side of a trained as a body strip profile for the body strip. Subsequently, the visible side of the remaining sections of the body strip (and at least at transition sections so that the paint carrier and the masking provided thereon) with a different-colored and / or different type of paint is painted. Finally, the masking together with the differently colored and / or different varnish applied thereon is removed by, for example, simply removing or detaching this masking from the masked section.
  • the lacquer or the lacquer film is present on the visible side of the masked section and the differently colored and / or different lacquer is present on the visible side of the unmasked section.
  • a body strip is provided, which has two different, gap-free and overlap-free directly adjoining paint layers.
  • the first and / or the second lacquer layer may contain, for example, an acrylic lacquer, a water-based lacquer, a lacquer which comprises a plastic from the group of polyurethanes.
  • the paint sections may contain the same or different types of paint.
  • the first, film-like lacquer layer can be designed as a lacquer layer releasably applied to the masking film with adhesive properties or provided with an adhesion layer.
  • the first lacquer layer may also be used as another foil having a lacquer layer firmly adhered thereto at the top or at the bottom, i. be formed sandwich-like or multi-layered.
  • the masking film is additionally applied to this further film or to the lacquer layer so that the two films together form the lacquer carrier.
  • the second lacquer layer may also comprise a plurality of lacquer layers, in particular in addition to at least one colored lacquer layer also at least one clear lacquer layer. Furthermore, the second lacquer layer may optionally or additionally be provided with primers, primers or the like.
  • the first lacquer layer adhesively adheres to the strip profile and has a first surface appearance.
  • the first lacquer layer can be applied to the strip profile with an adhesive or a transfer lacquer and thus adhere to it.
  • the paint carrier can be pressed with the strip profile.
  • the paint carrier containing the first paint layer may be applied by a stamping process or a hot stamping process.
  • the paint carrier is applied by a coextrusion process directly during the manufacture of the strip profile on the same. In this case too, a transfer lacquer and / or an adhesive can be used.
  • the first lacquer layer adheres to the strip profile by molecular forces.
  • the first lacquer layer adheres to the surface of the last profile with or without the action of an adhesive or transfer lacquer or by the influence of a stamping or hot stamping process.
  • the first lacquer layer may also constitute an adhesion foil which, in particular, adheres to the surface of the last profile without adhesive or the like.
  • the second lacquer layer adheres cohesively on the strip profile.
  • the second lacquer layer in this case has a second surface appearance, which is provided differently for the first surface appearance.
  • Cohesive bonding is to be understood as meaning that the adhesion at the interface between the second lacquer layer and the last profile is higher than the strength of the last profile or the lacquer of the second lacquer layer.
  • the second coat of paint and the strip profile are not non-destructively separable from each other.
  • the second lacquer layer can also adhere adhesively to the strip profile or have a mixture and / or transitions of adhesive and cohesive adhesion to the strip profile.
  • the second lacquer layer has a dry layer thickness that is in the range the thickness of the first lacquer layer is. This is particularly advantageous because it minimizes the lacquer level between the two adjoining lacquer layers or, in the ideal case, can even be completely eliminated.
  • the first and / or the second lacquer layer each have a thickness or dry layer thickness in the range of 10 .mu.m to 50 .mu.m. These values are preferably in the range from 20 ⁇ m to 30 ⁇ m. With coating layer thicknesses or dry layer thicknesses in these thickness ranges, an optimal surface quality is ensured with at the same time low paint consumption.
  • the strip profile comprises an extrusion profile.
  • the strip profile may also comprise an extruded profile.
  • the strip profile may also comprise a co-extrusion profile, onto which the paint carrier with the film-like first lacquer layer and a masking is applied in particular already during the extrusion.
  • the strip profile contains a polymer material.
  • the strip profile may also contain an aluminum material and / or a fiber composite material and / or a sandwich structure.
  • another, suitable composite material can be used.
  • the paint carrier is applied to the strip profile by means of an adhesive method.
  • the adhesive method in a preferred embodiment comprises a sticking method.
  • an embossing method and / or a hot embossing method may also be used.
  • the masking comprises a peelable masking film which is removed from the first paint layer upon removal of the masking.
  • the paint carrier is provided such that the adhesive force between the first paint layer and the strip profile is higher than the adhesive force between masking and the first paint layer.
  • a peelable masking film is provided and designed so that it can be peeled off in the over-coated state, in particular together with the second lacquer layer, without tearing and without damaging the first lacquer layer.
  • the first lacquer layer contains a functional film provided with lacquer.
  • a functional film can fulfill a wide variety of functions and be designed in many different ways.
  • the functional film can be made resistant to the effects of weathering and / or UV radiation and / or scratch-resistant. Further, it may have various optical properties or effects such as low haze, low yellowness, high light transmittance, same or different refractive indices, high or low gloss and the like.
  • As a material for such a functional film depending on the desired function, a wide variety of materials, in particular films of polymer materials such as PMMA or metallic films in question.
  • the thickness of the masking is in the range of the thickness of the first lacquer layer.
  • an approximately the same thickness film is used in the masking as in the first paint layer.
  • lacquer in the case of sections of the visible side of the strip profile lacquer is applied to the strip profile until the second layer of lacquer has a dry layer thickness which lies in the region of the thickness of the first lacquer layer.
  • the first lacquer layer and / or the second lacquer layer and / or the masking have a thickness or dry layer thickness in the range from 10 .mu.m to 50 .mu.m. This range is preferably between 20 ⁇ m and 30 ⁇ m.
  • a thickness or dry layer thickness in the range from 10 .mu.m to 50 .mu.m. This range is preferably between 20 ⁇ m and 30 ⁇ m.
  • the second lacquer layer is applied to the strip profile by means of a spraying method and / or spraying method.
  • a spraying method and / or spraying method Alternatively, another painting or coating method may be used.
  • a possibly remaining at the end of the masking remaining paragraph of the second lacquer layer can be, for example, be ground.
  • a clearcoat layer can also be applied over the two lacquer layers, thus compensating or leveling any offset.
  • a weather-resistant clearcoat is applied over the first and second lacquer layer, which in particular is also scratch-resistant and thus gives the bodywork surface on the visible side the required mechanical stability and a uniform surface.
  • FIG. 1 shows a two-color body strip according to the invention 1.
  • the body strip 1 has a first portion 9 and a second portion 10.
  • the first lacquer layer 4 is applied on the first section 9.
  • the second lacquer layer 5 is applied.
  • the two lacquer layers 4, 5 adjoin each other directly, gap-free and do not overlap.
  • the steplessity of the transition 8 is realized in particular by a same thickness t 1 of the first lacquer layer and dry layer thickness t 2 of the second lacquer layer.
  • FIG. 2a is a longitudinal sectional view of a strip profile 2 shown having a visible side 3.
  • the representation of the strip profile 2 is indicated here only schematically.
  • Strip profiles 2 for body strips 1 are known in the art and are therefore not further explained in the context of the present application with respect to their shape, their mechanical properties and the like.
  • the provision of a strip profile 2 represents the first step of a method according to the invention.
  • FIG. 2b shows the longitudinal section through a strip profile 2 according to FIG. 2a , for the sake of clarity hatchings have been dispensed with.
  • the strip profile 2 has a first section 9 and a second section 10.
  • a paint carrier 7 is applied on the visible side 3 of the strip profile 2 sections, here on the first section 9, a paint carrier 7 is applied.
  • This has a first lacquer layer 4 and a masking 6.
  • the first lacquer layer 4 has a thickness t1 and is formed like a foil. In other words, it is provided either as a lacquer layer which can be removed from the masking film or as a sandwich, as a composite of a functional film and a lacquer layer fixedly connected thereto.
  • the masking film 6 has a thickness t3 and is preferably applied to the strip profile together with the first lacquer layer.
  • the application of the lacquer carrier 7 in sections constitutes the second step of a method according to the invention.
  • the lacquer carrier 7 on the side of the first lacquer layer is preferably fastened to the bar profile by means of an adhesive method.
  • the first lacquer layer 4 thus adheres adhesively to the strip profile 2. For example, it is glued or stamped onto the strip profile 2. It can also be imprinted with a hot stamping process.
  • the masking 6 can adhere adhesively to the first lacquer layer 4, wherein the adhesive adhesion between the first lacquer layer 4 and the strip profile 2 is significantly stronger than the adhesive adhesion between the first lacquer layer 4 and the masking 6. This is particularly important when the lacquer carrier 7, that is, the first lacquer layer 4 and the mask 6, together be applied to the last profile 2. This is advantageous, but not necessary.
  • the first lacquer layer 4 in the form of a functional film provided with lacquer could first be applied to the strip profile 2. Subsequently, the masking 6 can be applied to the first lacquer layer 4.
  • a two-layer paint carrier film 7 consisting of a functional film 4 provided with paint and a masking film 6 is preferably cut together and applied together to the molding profile 2.
  • a removable lacquer layer is provided on the masking film, which is applied together with the masking and adheres to the strip profile after application.
  • FIG. 2c is the arrangement off FIG. 2b represented with a second lacquer layer 5, 5 '.
  • the second lacquer layer 5, 5 ' The second lacquer layer 5 extends over the second section of the strip profile 2 which is not covered by the lacquer carrier 7.
  • the second lacquer layer 5 ' which extends over the lacquer carrier 6, 4, extends over the first section 9 of the strip profile is applied to the mask 6.
  • the arrows in Figure 2c symbolize the painting process, with which the second lacquer layer 5, 5 'is applied to the first and second sections 9, 10.
  • the second lacquer layer 5, 5 ' has a dry layer thickness t2, which is preferably approximately equal to the thickness t1 of the first lacquer layer 4.
  • a two-color body strip can now be achieved by removing the masking 6 and the second resist layer 5 'applied to the paint carrier 7 or the masking 6 in the first region from the first resist layer 4.
  • the masking 6 together with the first lacquer layer 5 'applied thereon can be easily removed from the first lacquer layer 4, since the first lacquer layer 4 adheres more strongly to the strip profile 2 than the masking 6 on the first lacquer layer 4.
  • Figure 2d shows the state achieved thereby, in which the masking 6 and the second lacquer layer 5 'applied thereto have been removed, which is symbolized by the arrow, and thus the first lacquer layer 4, which was previously located under the mask 6, is exposed.
  • the second section 10 to which no paint carrier 7 was applied, is still the second paint layer 5 before. Due to the fact that the first lacquer layer 4 and the second lacquer layer 5 are approximately the same thickness, there is a seamless transition 8 between the two lacquer layers.
  • the masking 6 and the first lacquer layer 4 have previously been flush with each other. Therefore, a gap-free and overlapping-free impact at the transition 8 between the two paint layers has now emerged. Consequently, the two paint layers border 4, 5 directly to each other.
  • On the visible side 3 of the inventive at least two-color body strip is thus a flat surface, which is painted two-tone, emerged.
  • paint carrier can be applied to several sections of the body strip / be, and thus multiple color transitions of adjacent paint layer are formed / be.
  • paint layers may have the same or different colors or properties.
  • a clear coat can be applied over the first, second or several lacquer layers. This UV and weather resistant is particularly advantageous.
  • these design options apply equally to the method according to the invention and to the body strip according to the invention.
  • paint carrier which is provided as a film or a composite of a paint film and a masking film.
  • this paint carrier may have any shape and / or any manufacturing form.
  • the paint carrier can also be applied liquid to the bar or the strip profile.
  • first a part which is to have the second lacquer layer later, taped.
  • the other part is painted with the first coat of paint.
  • a masking layer is applied over the first lacquer layer which, for example, by means of a liquid foil paint on the first Paint layer can be applied.
  • the foil lacquer adheres weaker to the first lacquer layer than the first lacquer layer on the ledge profile.
  • the masking on the strip profile is removed such that a common end edge of the first lacquer layer and the masking layer stops.
  • the strip profile is painted with the second layer of paint, at least at the transition of the end edge of the paint carrier on the masking.
  • the masking is removed together with the second lacquer layer applied thereon.
  • a two-color body strip is obtained with two layers of paint, which adjoin each other immediately and without gaps.
  • the aforementioned thicknesses of the paint layers are to be understood as exemplary only and, of course, depending on the used paint or number of paint layers used, also vary, i. thicker or thinner.
  • a thicker second lacquer layer could have a larger dry film thickness of 50 ⁇ m to 150 ⁇ m.
  • any materials can be used which have the said adhesive properties.
  • sequence of steps may be varied or intermediate steps, eg, cleaning steps, may be included in the manufacturing process, as long as this does not change the claimed manufacturing process.

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  • Application Of Or Painting With Fluid Materials (AREA)
EP13195269.9A 2012-12-17 2013-12-02 Baguette de carrosserie bicolore et procédé de peinture d'une telle baguette de carrosserie Not-in-force EP2743007B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012223444.6A DE102012223444A1 (de) 2012-12-17 2012-12-17 Zumindest zweifarbige Karosserieleiste und Verfahren zum Lackieren einer solchen Karosserieleiste

Publications (2)

Publication Number Publication Date
EP2743007A1 true EP2743007A1 (fr) 2014-06-18
EP2743007B1 EP2743007B1 (fr) 2017-10-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13195269.9A Not-in-force EP2743007B1 (fr) 2012-12-17 2013-12-02 Baguette de carrosserie bicolore et procédé de peinture d'une telle baguette de carrosserie

Country Status (2)

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EP (1) EP2743007B1 (fr)
DE (1) DE102012223444A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108309A1 (de) 2015-05-27 2016-12-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Herstellen eines Verbundbauteils
CN120479723A (zh) * 2025-06-06 2025-08-15 中山科欧达汽车部件有限公司 一种汽车门把手多色涂装工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015102000U1 (de) * 2015-04-22 2016-07-25 Rehau Ag + Co. Dachfugenleiste für Kraftfahrzeuge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030124254A1 (en) * 2001-12-27 2003-07-03 Rexam Image Products, Inc. Wet on wet process for producing films
GB2399040A (en) * 2003-03-04 2004-09-08 Ford Motor Co Two-tone painting
US20040209057A1 (en) * 1995-06-07 2004-10-21 Enlow Howard H. Extruded polymeric high transparency films
US20060045965A1 (en) * 2004-08-30 2006-03-02 Jun Lin Method for achieving a durable two-tone finish on a vehicle
US20060188652A1 (en) * 2005-02-23 2006-08-24 Tansey Richard S Two-tone color effect coating process
EP2067604A2 (fr) 2007-12-06 2009-06-10 Daimler AG Procédé de fabrication d'un composant et composant pour un véhicule automobile

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608223A1 (de) * 1986-03-12 1987-10-15 Huehoco Bandeisen Und Metallwa Traegerband aus metall fuer profilleisten mit mantel und zier- oder funktionsstreifen
DE3822399A1 (de) * 1988-03-19 1989-09-28 Lothar Trier Kunststoff-bauelement, insbesondere selbsttragendes bauteil
DE4319519A1 (de) * 1993-06-14 1994-12-15 Ymos Ag Ind Produkte Verfahren zum Herstellen von lackierten Teilen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040209057A1 (en) * 1995-06-07 2004-10-21 Enlow Howard H. Extruded polymeric high transparency films
US20030124254A1 (en) * 2001-12-27 2003-07-03 Rexam Image Products, Inc. Wet on wet process for producing films
GB2399040A (en) * 2003-03-04 2004-09-08 Ford Motor Co Two-tone painting
US20060045965A1 (en) * 2004-08-30 2006-03-02 Jun Lin Method for achieving a durable two-tone finish on a vehicle
US20060188652A1 (en) * 2005-02-23 2006-08-24 Tansey Richard S Two-tone color effect coating process
EP2067604A2 (fr) 2007-12-06 2009-06-10 Daimler AG Procédé de fabrication d'un composant et composant pour un véhicule automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108309A1 (de) 2015-05-27 2016-12-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Herstellen eines Verbundbauteils
CN120479723A (zh) * 2025-06-06 2025-08-15 中山科欧达汽车部件有限公司 一种汽车门把手多色涂装工艺

Also Published As

Publication number Publication date
DE102012223444A1 (de) 2014-06-18
EP2743007B1 (fr) 2017-10-18

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