EP1404460A1 - Masking article for use in vehicle manufacturing - Google Patents

Masking article for use in vehicle manufacturing

Info

Publication number
EP1404460A1
EP1404460A1 EP01947432A EP01947432A EP1404460A1 EP 1404460 A1 EP1404460 A1 EP 1404460A1 EP 01947432 A EP01947432 A EP 01947432A EP 01947432 A EP01947432 A EP 01947432A EP 1404460 A1 EP1404460 A1 EP 1404460A1
Authority
EP
European Patent Office
Prior art keywords
equipment
vehicle
painting process
article
masking
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
EP01947432A
Other languages
German (de)
French (fr)
Other versions
EP1404460B1 (en
Inventor
Volker Beckord
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.)
Pro-Tech Beratungs- und Entwicklungs GmbH
Original Assignee
Pro-Tech Beratungs- und Entwicklungs GmbH
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 Pro-Tech Beratungs- und Entwicklungs GmbH filed Critical Pro-Tech Beratungs- und Entwicklungs GmbH
Priority to AT01947432T priority Critical patent/ATE343434T1/en
Publication of EP1404460A1 publication Critical patent/EP1404460A1/en
Application granted granted Critical
Publication of EP1404460B1 publication Critical patent/EP1404460B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/24—Masking elements, i.e. elements defining uncoated areas on an object to be coated made at least partly of flexible material, e.g. sheets of paper or fabric
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means

Definitions

  • the invention relates to a device for masking areas of a vehicle during the painting process.
  • the invention also relates to a method for producing and recycling operating equipment of this type and a method for masking areas of a vehicle during the painting process with such operating equipment.
  • a cathodic dip coating (KTL) is applied to the body shell as a corrosion protection layer.
  • B. is baked in a dryer at temperatures up to 220 degrees Celsius.
  • a filler is first applied to compensate for the surface and to protect against stone chips.
  • a base coat for coloring and effects
  • a clear coat to protect against external influences.
  • the actual painting process carried out after the KTL coating is carried out at temperatures of up to approx.
  • the window panes (windshield, rear window, fixed side windows) are usually used in large-scale production robot-controlled at the installation site and glued (direct glazing).
  • the pane adhesive is first applied in a bead-like manner all around in the edge region of the window pane before this region is brought into contact with the body flange (window flange) at the installation opening and pressed.
  • the window and the body serve both for stabilization in the sense of a torsionally rigid body and for power transmission in the event of a crash.
  • the window adhesive achieves good adhesion on many different top coats (colors).
  • the structural connection of the window and the body in assembly, where there are painted surfaces, has not been satisfactorily resolved, since the paint structure itself cannot absorb the structural forces, especially in a crash.
  • this process also requires a corresponding masking of the body flange after passing through the KTL painting in order to keep away the paint layers applied in the subsequent painting steps in this area.
  • the masking ensures perfect adhesion of the pane adhesive to the KTL-coated flange.
  • a method for bonding windows in which the body flange with an adhesive tape or with an organic mass, such as. B. a PVC pastisol, is masked.
  • the plastisol is e.g. B. gelled by means of IR emitters or in a PVC oven and achieves a firm consistency.
  • the flange masking is usually manually removed and disposed of, and direct glazing is carried out on the KTL-coated flange.
  • Both the plastisol and the adhesive tape are not recyclable, which means that considerable waste has to be disposed of.
  • the device for masking areas of a vehicle, in which the device consists of a plastic and can be placed on the body flange of vehicle or vehicle module openings in a form-fitting manner on a cathodic dip coating.
  • the design of the masking is specifically designed for the respective area of application and depending on the vehicle type and window cutout.
  • the mask is pressed onto the body flange or slipped over it and completely covers it. This cover is form-fittingly sealed against the penetration of paint in order to prevent the KTL sheet from being coated with paint and to achieve optimal adhesive adhesion for the direct glazing.
  • the resource is from one Plastic is manufactured so that it can be ground in its entirety after use, even in the paint-adhering state, and finally an injection molding process can be added.
  • the equipment is made of a temperature-resistant plastic with a continuous operating temperature of at least 170 ° Celsius.
  • plastics which have the required properties and can be used for injection molding, were only found after detailed practical tests.
  • plastics such. B. polysulfone, poly (aryl ether) ketone, polyamides etc. into consideration, which from the plastics compendium, Vogel specialist book, 4th edition 1996, by Dr. A. Frank, ISBN 3-8023- 1589-8 can be seen.
  • Plastics that are made of fibers such as e.g. Glass, Keflar etc. are reinforced.
  • Glass fiber reinforced polyamide has proven to be the best plastic in terms of procurement costs, recyclability, injection molding (optimum flow behavior) and mechanical properties even at high temperatures, such as those found in the stoving ovens.
  • the advantages described can be demonstrated in particular in the case of equipment whose plastic material is reinforced by fillers in a ratio of 0.1 to 40%.
  • a desirable optimum can be achieved.
  • the object is also achieved by a method for producing and recycling operating means for masking areas of a vehicle during the painting process, in which steps a) the operating means are produced by spraying; b) the equipment is ground in the varnished after each use; c) the resulting powder is fed back to the spraying process for the production of the operating materials as a raw material.
  • the equipment according to the invention is first produced by injection molding and ground in the lacquered state after each use, the resulting powder being able to be used directly again for the production of the equipment.
  • the entire process is simplified by using the special plastics.
  • there is no type-related sorting since the equipment can be ground in the coated state after each use and can thus be delivered to the injection molding as bulk material. In particular, this means that there are no costs for handling and, if necessary, repairing the functionality.
  • the concept according to the invention is also ecological. A mechanical, thermal or chemical operation is not required for the paint stripping, since the equipment according to the invention can be supplied to the injection molding in the lacquered state after grinding.
  • a certain amount of original raw material is preferably added during injection molding in the recycling plant. This can be particularly useful when the quality of the plastic recyclate contaminated with paint is no longer satisfactory. By adding the original raw material, the function of the masking can be maintained with the advantages mentioned above.
  • the amount of original raw material added is preferably about 10%. This slight addition of the original raw material guarantees, in particular, repeated use of the recyclate without sacrificing the mechanical and temperature-resistant properties.
  • the object of the present invention is also achieved by a method for masking areas of a vehicle during the painting process with an item of equipment according to one of the preceding claims, in which the item of equipment is placed on the body flange of the vehicle or vehicle module openings in a form-fitting manner on a cathodic dip coating and is removed after the final painting process.
  • the pane can be glued to the KTL coating, thus avoiding the structural weaknesses in the filler material and in the top coat.
  • Structural bonding of the windows to the body in this way increases the torsional rigidity of the body and improves the derivation of forces in the event of a crash. This fundamentally supports the trend towards lightweight body construction.
  • the device according to the invention can also be used for masking other module bonds, such as, for example, for window bonding.
  • the single figure shows a device 1 for masking a body flange 2, which is encompassed by the device 1 in a form-fitting manner.
  • the body flange 2 is circumferentially attached to an installation opening for a window pane 3, which is provided with a bead of adhesive 4 in its edge region.
  • the flange 2 is only adhered to with the KTL paint, but not with the paint layers applied in the further painting process.
  • the underlying adhesive area is exposed, onto which the window pane 3 is pressed.
  • a structural vulnerability in the form of e.g. B. a filler and topcoat layer between the adhesive 4 and the KTL coated body flange 2 is avoided. This creates a torsionally rigid overall structure in the sense of a lightweight construction with good crash properties.
  • the equipment can be recycled and reused, saving process costs.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to an article (1) for masking areas of a vehicle during a painting process. The invention also relates to a method for producing and recycling articles (1) of this type and to a method for masking areas of a vehicle during the painting process while using said article (1). The aim of the invention is to provide recyclable articles (1) of the aforementioned type that, under painting process conditions, have a type of shape, stability and rigidity that render the use of these articles advantageous with regard to economic, qualitative and ecological aspects. To this end, an article (1) for masking areas of a vehicle is provided that is made of a synthetic material and can be sealingly applied with form-fit to a cathodic immersion painting on the body flange (2) of vehicle or vehicle module openings. A good adhesion and aging-resistant bonding quality results between an adhesive (4) and a window pane (3) after the article (1) is removed from the body flange (2). When painted, the article can be easily and ecologically recycled and reused.

Description

Maskierungsmittel für den Fahrzeugbau Masking agents for vehicle construction
Beschreibungdescription
Die Erfindung betrifft ein Betriebsmittel zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorgangs. Die Erfindung betrifft auch ein Verfahren zum Herstellen und zum Recy- celn von Betriebsmitteln dieser Art sowie ein Verfahren zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorganges mit einem solchen Betriebsmittel.The invention relates to a device for masking areas of a vehicle during the painting process. The invention also relates to a method for producing and recycling operating equipment of this type and a method for masking areas of a vehicle during the painting process with such operating equipment.
Die Autoserienlackierung ist heute eine der technologisch anspruchsvollsten Lackanwendungen. Wichtigste Anforderungen sind Farbeffekt und Glanzgebung sowie der Schutz der Metalloberflächen vor äußeren Einflüssen. Die gewünschten Eigenschaften der Lackierung werden durch einen funktionalen Schichtaufbau erzielt, bei dem die einzelnen Schichten unterschiedliche Aufgaben übernehmen. So wird zunächst eine kathodische Tauchlackie- rung (KTL) als Korrisionsschutzschicht auf die Rohkarosserie aufgebracht, welche z. B. in einem Trocknerofen bei Temperaturen bis 220 Grad Celsius eingebrannt wird. Erst danach gelangt die grundierte Karosserie in den eigentlichen Lackprozeß, bei dem zunächst ein Füller zum Ausgleich des Untergrundes und als Steinschlagschutz aufgebracht wird. Danach erfolgt eine Basis- lackierung zur Färb- und Effektgebung, schließlich eine Klar- lackierung zum Schutz vor äußeren Einflüssen. Der nach der KTL- Beschichtung durchgeführte eigentlichen Lackierprozeß wird bei Temperaturen von bis zu ca. 170 Grad Celsius durchgeführt. Erst nach dem Durchlaufen der Lackierstraße wurden bislang Einbauten an der Karosserie eines Fahrzeuges vorgenommen. Insbesondere die Fensterscheiben (Windschutzscheibe, Heckscheibe, feststehende Seitenscheiben) werden in der Großserienproduktion üblicherweise robortergesteuert am Verbauort eingesetzt und verklebt (Direktverglasung) . Der Scheibenklebstoff wird dabei zunächst im Randbereich der Fensterscheibe umlaufend wulstartig aufgebracht, bevor dieser Bereich mit dem Karosserieflansch (Fensterflansch) an der Einbauöffnung in Kontakt gebracht und angepreßt wird. Die strukturelle Verbindung zwischen derAutomobile series painting is one of the most technologically demanding paint applications today. The most important requirements are the color effect and gloss, as well as the protection of the metal surfaces from external influences. The desired properties of the coating are achieved through a functional layer structure, in which the individual layers take on different tasks. For example, a cathodic dip coating (KTL) is applied to the body shell as a corrosion protection layer. B. is baked in a dryer at temperatures up to 220 degrees Celsius. Only then does the primed body go into the actual painting process, in which a filler is first applied to compensate for the surface and to protect against stone chips. This is followed by a base coat for coloring and effects, and finally a clear coat to protect against external influences. The actual painting process carried out after the KTL coating is carried out at temperatures of up to approx. 170 degrees Celsius. Up until now, installations on the body of a vehicle have only been carried out after passing through the painting line. In particular, the window panes (windshield, rear window, fixed side windows) are usually used in large-scale production robot-controlled at the installation site and glued (direct glazing). The pane adhesive is first applied in a bead-like manner all around in the edge region of the window pane before this region is brought into contact with the body flange (window flange) at the installation opening and pressed. The structural link between the
Scheibe und der Karosserie dient dabei sowohl der Stabilisierung im Sinne einer torsionssteifen Karosserie, als auch der Kraftableitung im Crashfall.The window and the body serve both for stabilization in the sense of a torsionally rigid body and for power transmission in the event of a crash.
Da alle im Lackierprozeß aufgespritzten Beschichtungen, wieSince all coatings sprayed on in the painting process, such as
Füller und Decklack, gemäß Kundenwunsch aufgetragen werden, ist es notwendig, daß der Scheibenklebstoff auf vielen unterschiedlichen Decklacken (Farben) eine gute Haftung erzielt. Die strukturelle Verbindung der Scheibe und der Karosserie in der Montage, wo lackierte Oberflächen vorliegen, ist jedoch nicht befriedigend gelöst, da der Lackaufbau selbst die strukturellen Kräfte, besonders im Crash, nicht aufnehmen kann. Zum Erzielen eines guten Haftungsresultates zwischen dem Karosserieflansch und dem Scheibenklebstoff ist deshalb eine Verklebung des Fen- sters auf der KTL-Beschichtung optimal, da dann die strukturellen Schwachstellen im Füllermaterial und im Decklack wegfallen. Ein strukturelles Verkleben in dieser Art unterstützt den Trend in Richtung der Leichtbauweise und zur Erhöhung der Torsionssteifigkeit der Karosserie. Allerdings setzt dieses Verfahren auch eine entsprechende Maskierung des Karosserieflansches nach dem Durchlaufen der KTL-Lackierung zum Fernhalten der in den nachfolgenden Lackierungsschritten aufgebrachten Lackschichten in diesem Bereich voraus. Durch die Maskierung wird eine einwandfreie Haftung des Scheibenklebstoffes zum KTL beschichteten Flansch erzielt. Bekannt ist unter anderem ein Verfahren zur Scheibenverklebung, bei dem der Karosserieflansch mit einem Klebeband oder mit einer organischen Masse, wie z. B. einem PVC-Pastisol, maskiert wird. Das Plastisol wird z. B. mittels IR-Strahler oder im PVC- Ofen geliert und erreicht dabei eine feste Konsistenz. Am Ende des Lackierprozesses und vor der Scheibenmontage wird die Flanschmaskierung meistens manuell wieder entfernt und entsorgt, und die Direktverglasung erfolgt auf den KTL beschichte- ten Flansch. Sowohl das Plastisol als auch das Klebeband sind dabei nicht recycelbar, wodurch die Entsorgung von Verfahrensabfällen in erheblichen Umfang notwendig wird.Filler and top coat, applied according to customer requirements, it is necessary that the window adhesive achieves good adhesion on many different top coats (colors). The structural connection of the window and the body in assembly, where there are painted surfaces, has not been satisfactorily resolved, since the paint structure itself cannot absorb the structural forces, especially in a crash. To achieve a good adhesion result between the body flange and the window adhesive, it is therefore optimal to glue the window to the KTL coating, since the structural weak points in the filler material and in the top coat are then eliminated. Structural gluing in this way supports the trend towards lightweight construction and increasing torsional rigidity of the body. However, this process also requires a corresponding masking of the body flange after passing through the KTL painting in order to keep away the paint layers applied in the subsequent painting steps in this area. The masking ensures perfect adhesion of the pane adhesive to the KTL-coated flange. Known is, inter alia, a method for bonding windows, in which the body flange with an adhesive tape or with an organic mass, such as. B. a PVC pastisol, is masked. The plastisol is e.g. B. gelled by means of IR emitters or in a PVC oven and achieves a firm consistency. At the end of the painting process and before installing the window, the flange masking is usually manually removed and disposed of, and direct glazing is carried out on the KTL-coated flange. Both the plastisol and the adhesive tape are not recyclable, which means that considerable waste has to be disposed of.
Es ist Aufgabe der vorliegenden Erfindung, recycelbare Be- triebsmittel zum Maskieren von Bereichen eines Fahrzeuges während des Lackiervorgangs bereitzustellen, welche unter den Bedingungen eines Lackierprozesses eine solche Form, Stabilität und Festigkeit aufweisen, daß ihre Verwendung unter wirtschaftlichen und qualitativen, wie auch unter ökologischen Gesichts- punkten Vorteile mit sich bringt.It is an object of the present invention to provide recyclable equipment for masking areas of a vehicle during the painting process which, under the conditions of a painting process, have such a shape, stability and strength that their use is economical and qualitative as well as ecological - scores benefits.
Diese Aufgabe wird durch ein Betriebsmittel zum Maskieren von Bereichen eines Fahrzeugs gelöst, bei dem das Betriebsmittel aus einem Kunststoff besteht und am Karosserieflansch von Fahr- zeug- oder Fahrzeugmodulöffnungen formschlüssig dichtend auf eine kathodische Tauchlackierung auflegbar ist.This object is achieved by means of a device for masking areas of a vehicle, in which the device consists of a plastic and can be placed on the body flange of vehicle or vehicle module openings in a form-fitting manner on a cathodic dip coating.
Die Auslegung der Maskierung ist für den jeweiligen Einsatzbereich und abhängig von Fahrzeugtyp und Fensterausschnitt spezi- fisch konstruiert. Dabei wird die Maskierung an den Karosserieflansch angedrückt bzw. darübergestülpt und verdeckt diesen vollständig. Diese Abdeckung ist gegenüber eindringendem Lack formschlüssig dicht, um eine Lackbeschichtung des KTL-Bleches zu verhindern und eine optimale Klebstoffhaftung für die Di- rektverglasung zu erzielen. Das Betriebsmittel ist aus einem Kunststoff gefertigt, so daß es nach der Verwendung, auch im lackbehaftenden Zustand, gesamthaft gemahlen werden und schließlich neu einen Spritzgußverfahren zugeführt werden kann.The design of the masking is specifically designed for the respective area of application and depending on the vehicle type and window cutout. The mask is pressed onto the body flange or slipped over it and completely covers it. This cover is form-fittingly sealed against the penetration of paint in order to prevent the KTL sheet from being coated with paint and to achieve optimal adhesive adhesion for the direct glazing. The resource is from one Plastic is manufactured so that it can be ground in its entirety after use, even in the paint-adhering state, and finally an injection molding process can be added.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Betriebsmittel sind in den folgenden Unteransprüchen 2 - 4 angegeben.Advantageous further developments of the equipment according to the invention are specified in the following subclaims 2-4.
Von besonderen Vorteil ist es, wenn das Betriebsmittel aus einem temperaturbeständigen Kunststoff mit einer Dauergebrauch- stemperatur von mindestens 170° Celsius besteht. Diese speziellen Kunststoffe, welche die geforderten Eigenschaften besitzen und sich für das Spritzgießen verwenden lassen, wurden erst nach detaillierten Praxisversuchen gefunden. Es kommen dabei Kunststoffe wie z. B. Polysulfon, Poly- (arylether) keton, Polya- mide etc. in Betracht, welche aus dem Kunststoffkompendium, Vogel Fachbuch, 4. Auflage 1996, von Dr. A. Frank, ISBN 3-8023- 1589-8 zu ersehen sind.It is particularly advantageous if the equipment is made of a temperature-resistant plastic with a continuous operating temperature of at least 170 ° Celsius. These special plastics, which have the required properties and can be used for injection molding, were only found after detailed practical tests. There are plastics such. B. polysulfone, poly (aryl ether) ketone, polyamides etc. into consideration, which from the plastics compendium, Vogel specialist book, 4th edition 1996, by Dr. A. Frank, ISBN 3-8023- 1589-8 can be seen.
Für ein derartiges Betriebsmittel eignen sich insbesondere Kunststoffe, welche mit Fasern, wie z.B. Glas, Keflar etc. verstärkt sind. Als besten Kunststoff hat sich bezüglich Beschaffungskosten, Recycelbarkeit, Spritzgießen (optimales Fließverhalten) sowie mechanischen Eigenschaften auch bei hohen Temperaturen, wie sie in den Einbrennöfen vorkommen, glasfaserver- stärktes Polyamid erwiesen.Plastics that are made of fibers such as e.g. Glass, Keflar etc. are reinforced. Glass fiber reinforced polyamide has proven to be the best plastic in terms of procurement costs, recyclability, injection molding (optimum flow behavior) and mechanical properties even at high temperatures, such as those found in the stoving ovens.
Die bezeichneten Vorteile können insbesondere bei Betriebsmitteln, deren Kunststoffmaterial durch Füllstoffe im Verhältnis von 0,1 bis 40 % verstärkt ist, nachgewiesen werden. In diesem Variationsbereich der Füllung kann in Abhängigkeit der Anforderungen an ein gutes Fließverhalten beim Spritzgießen und an einem entsprechende Formbeständigkeit und Festigkeit des Betriebsmittels während Lackierprozesses ein wünschenstwertens Optimum erzielt werden. Die Aufgabe wird auch durch ein Verfahren zum Herstellen und zum Recyceln von Betriebsmitteln zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorganges gelöst, bei dem die Schritte a) die Betriebmittel werden im Spritzverfahren hergestellt; b) die Betriebsmittel werden nach jedem Einsatz im lackiertem gemahlen; c) das resultierende Pulver wird als Rohstoff wieder dem Spritzverfahren zur Herstellung der Betriebsmittel zugeführt, gelöst.The advantages described can be demonstrated in particular in the case of equipment whose plastic material is reinforced by fillers in a ratio of 0.1 to 40%. In this variation range of the filling, depending on the requirements for a good flow behavior during injection molding and a corresponding dimensional stability and strength of the equipment during the painting process, a desirable optimum can be achieved. The object is also achieved by a method for producing and recycling operating means for masking areas of a vehicle during the painting process, in which steps a) the operating means are produced by spraying; b) the equipment is ground in the varnished after each use; c) the resulting powder is fed back to the spraying process for the production of the operating materials as a raw material.
Das erfindunggemäße Betriebsmittel wird zunächst im Spritzgußverfahren hergestellt und nach jedem Einsatz im lackiertem Zustand gemahlen, wobei das resultierende Pulver direkt wieder zur Herstellung des Betriebsmittel verwendet werden kann. Durch die Verwendung der speziellen Kunststoffe vereinfacht sich dabei der gesamte Ablauf. Nach dem Gebrauch des Betriebsmittel entfällt eine typbezogene Sortierung, da die Betriebsmittel nach jedem Einsatz im lackiertem Zustand gemahlen und damit als Schüttgut dem Spritzgießen zugeliefert werden können. Dies be- inhaltet insbesondere, daß keine Kosten für die Handhabung sowie gegebenenfalls die Instandsetzung der Funktionsfähigkeit anfallen.The equipment according to the invention is first produced by injection molding and ground in the lacquered state after each use, the resulting powder being able to be used directly again for the production of the equipment. The entire process is simplified by using the special plastics. After using the equipment, there is no type-related sorting, since the equipment can be ground in the coated state after each use and can thus be delivered to the injection molding as bulk material. In particular, this means that there are no costs for handling and, if necessary, repairing the functionality.
Ferner ist das erfindungsgemäße Konzept auch ökologisch. Eine mechanisch, thermische oder chemische Operation ist für die Entlackung nicht erforderlich, da die erfindungsgemäßen Betriebsmittel im lackiertem Zustand nach dem Mahlen dem Spritzgießen zugeführt werden können.Furthermore, the concept according to the invention is also ecological. A mechanical, thermal or chemical operation is not required for the paint stripping, since the equipment according to the invention can be supplied to the injection molding in the lacquered state after grinding.
Weiterhin ist die Verwendung der erfindungsgemäßen Betriebsmittel wirtschaftlich. Der Anwender, insbesondere der Fahrzeugbauer wird nicht mit der Bereitstellung belastet, da diese Aufgabe von den Zulieferern der Spritzgießerei übernommen wird, bei welcher das Mahlen des Schüttgut und die Verwendung des Re- zyklates zur Kerntätigkeit gehören. Vorteilhafte Weiterbildungen des Verfahrens sind in den folgenden Unteransprüchen 6 und 7 angegeben.Furthermore, the use of the equipment according to the invention is economical. The user, in particular the vehicle manufacturer, is not burdened with the provision, since this task is taken over by the suppliers to the injection molding plant, in which the grinding of the bulk material and the use of the recyclate are part of the core activity. Advantageous developments of the method are specified in the following subclaims 6 and 7.
In bevorzugter Weise wird beim Spritzgießen im Recyclingbetrieb eine gewisse Menge von Originalrohstoff zugegeben. Dies kann insbesondere dann sinnvoll sein, wenn die Qualität des lackkontaminierten Kunststoffrezyklates nicht mehr zufriedenstellend ist. Durch Zugabe des Originalrohstoffes kann die Funktion der Maskierung mit dem oben genannten Vorteilen aufrechterhalten werden.A certain amount of original raw material is preferably added during injection molding in the recycling plant. This can be particularly useful when the quality of the plastic recyclate contaminated with paint is no longer satisfactory. By adding the original raw material, the function of the masking can be maintained with the advantages mentioned above.
In bevorzugter Weise beträgt die Zugabemenge von Originalrohstoff etwa 10 %. Diese geringfügige Zugabe des Originalrohstof- fes garantiert insbesondere eine mehrmalige Verwendung des Rezyklates ohne Einbußen der mechanischen und temperaturrezisten- ten Eigenschaften.The amount of original raw material added is preferably about 10%. This slight addition of the original raw material guarantees, in particular, repeated use of the recyclate without sacrificing the mechanical and temperature-resistant properties.
Die Aufgabe der vorliegenden Erfindung wird auch durch ein Ver- fahren zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorgangs mit einem Betriebsmittel nach einem der hervorgehenden Ansprüche gelöst, bei dem das Betriebsmittel am Karosserieflansch von Fahrzeug oder Fahrzeugmodulöffnungen formschlüssig dichtend auf eine kathodische Tauchlackierung aufge- legt und nach dem abschließenden Lackiervorgang wieder entfernt wird.The object of the present invention is also achieved by a method for masking areas of a vehicle during the painting process with an item of equipment according to one of the preceding claims, in which the item of equipment is placed on the body flange of the vehicle or vehicle module openings in a form-fitting manner on a cathodic dip coating and is removed after the final painting process.
Dadurch ist nach der abschließenden Lackierung eine Verklebung der Scheibe auf der KTL-Beschichtung möglich, womit die struk- turellen Schwachstellen im Füllermaterial und im Decklack umgangen werden. Durch ein derartigen strukturelles Verkleben der Fenster mit der Karosserie wird insbesondere die Torsionsstei- figkeit der Karosserie erhöht und die Ableitung von Kräften im Crashfall verbessert. Damit wird grundsätzlich der Trend zur Leichtbauweise von Karosserien unterstützt. Das erfindungsgemäße Betriebsmittel läßt sich neben der Scheibenverklebung auch auf die Maskierung von anderen Modulverkle- bungen, wie z. B. Frontklappen, Heckklappen, Kotflüge, Seiten- wände etc. übertragen, wobei auch hier die lackierten Kunststoffen praktisch zu 100 % für ein Spritzgießen wiederverwendbar sind.This means that after the final painting, the pane can be glued to the KTL coating, thus avoiding the structural weaknesses in the filler material and in the top coat. Structural bonding of the windows to the body in this way increases the torsional rigidity of the body and improves the derivation of forces in the event of a crash. This fundamentally supports the trend towards lightweight body construction. The device according to the invention can also be used for masking other module bonds, such as, for example, for window bonding. B. front flaps, tailgates, fenders, side walls, etc. transferred, here too, the painted plastics are practically 100% reusable for injection molding.
Das erfindungsgemäße Betriebsmittel wird im Folgenden anhand einer Figur näher erläutert.The equipment according to the invention is explained in more detail below with reference to a figure.
Die einzige Figur zeigt ein Betriebsmittel 1 zum Maskieren eines Karosserieflansches 2, welcher von dem Betriebsmittel 1 formschlüssig dichtend umfaßt ist. Der Karosserieflansch 2 ist dabei umlaufend an einer Einbauöffnung für eine Fensterscheibe 3 angebracht, welche in ihrem Randbereich mit einem Wulst aus Klebstoff 4 versehen ist. Durch Abdecken mit dem Betriebsmittel 1 ist der Flansch 2 nur mit der KTL-Lackierung, nicht aber mit den im weiteren Lackierprozeß aufgebrachten Lackschichten be- haftet. Nach dem Entfernen des Betriebsmittel 1 wird der darunterliegende Klebebereich freigelegt, auf den die Fensterscheibe 3 aufgedrückt wird. Eine strukturelle Schwachstelle in Form z. B. einer Füller- und Decklackschicht zwischen dem Klebstoff 4 und dem KTL beschichteten Karosserieflansch 2 wird dadurch um- gangen. Dadurch entsteht eine torsionssteife Gesamtstruktur im Sinne einer Leichtbaukonstruktion mit guten Crasheigenschaften. Das Betriebsmittel kann unter Einsparung von Prozeßkosten recy- celt und wiederverwendet werden.The single figure shows a device 1 for masking a body flange 2, which is encompassed by the device 1 in a form-fitting manner. The body flange 2 is circumferentially attached to an installation opening for a window pane 3, which is provided with a bead of adhesive 4 in its edge region. By covering with the operating medium 1, the flange 2 is only adhered to with the KTL paint, but not with the paint layers applied in the further painting process. After the removal of the equipment 1, the underlying adhesive area is exposed, onto which the window pane 3 is pressed. A structural vulnerability in the form of e.g. B. a filler and topcoat layer between the adhesive 4 and the KTL coated body flange 2 is avoided. This creates a torsionally rigid overall structure in the sense of a lightweight construction with good crash properties. The equipment can be recycled and reused, saving process costs.
An dieser Stelle sei darauf hingewiesen, daß alle oben beschriebenen Teile für sich alleine gesehen und in jeder Kombination, insbesondere die in der Zeichnung dargestellten Details als erfindungswesentlich beansprucht werden. Abänderung hiervon sind dem Fachmann geläufig. BezugszeichenlisteAt this point, it should be pointed out that all the parts described above are seen on their own and in any combination, in particular the details shown in the drawing, are claimed as essential to the invention. Modifications to this are familiar to the person skilled in the art. LIST OF REFERENCE NUMBERS
1 Betriebsmittel1 equipment
2 Karosserieflansch2 body flange
3 Fensterscheibe3 window pane
4 Klebstoff 4 glue

Claims

Patentansprücheclaims
1. Betriebsmittel zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorgangs, d a d u r c h g e k e n n z e i c h n e t , d a s s das Betriebsmittel (1) aus einem Kunststoff besteht und am Karosserieflansch (2) von Fahrzeug- oder Fahrzeugmodul- Öffnungen formschlüssig dichtend auf eine kathodische Tauchlackierung auflegbar ist.1. Equipment for masking areas of a vehicle during the painting process, so that the equipment (1) consists of a plastic and can be placed on the body flange (2) of vehicle or vehicle module openings with a positive seal on a cathodic dip coating.
2. Betriebsmittel nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , d a s s das Betriebsmittel (1) aus einem temperaturbeständigen Kunststoff mit einer Dauergebrauchstemperatur von mindestens 170° C besteht.2. Equipment according to claim 1, d a d u r c h g e k e n n z e i c h n e t, that the equipment (1) consists of a temperature-resistant plastic with a continuous use temperature of at least 170 ° C.
3. Betriebsmittel nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t , d a s s das Betriebsmittel (1) aus einem glasfaserverstärkten Polyamid besteht.3. Equipment according to claim 1 or 2, d a d u r c h g e k e n n z e i c h n e t, s a s s the operating means (1) consists of a glass fiber reinforced polyamide.
4. Betriebsmittel nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , d a s s das Betriebsmittel durch Füllstoffe im Verhältnis von 0,1 - 40% verstärkt wird.4. Equipment according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t, d a s s the resource is reinforced by fillers in a ratio of 0.1 - 40%.
5. Verfahren zum Herstellen und zum Recyceln von5. Process for manufacturing and recycling
Betriebsmitteln zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorganges mit folgenden Schritten:Equipment for masking areas of a vehicle during the painting process with the following steps:
a) die Betriebsmittel (1) werden im Spritzgussverfahren hergestellt;a) the equipment (1) are manufactured by injection molding;
b) die Betriebsmittel (1) werden nach jedem Einsatz im lackierten Zustand gemahlen; und c) das resultierende Pulver wird als Rohstoff wieder dem Spritzgussverfahren zur Herstellung der Betriebsmittel (1) zugeführt.b) the equipment (1) is ground after each use in the coated state; and c) the resulting powder is fed back as the raw material to the injection molding process for the production of the equipment (1).
Verfahren nach Anspruch 5, d a d u r c h g e k e n n z e i c h n e t, d a s s dem Spritzgussverfahren im Recycling-Betrieb ein beliebigerThe method of claim 5, d a d u r c h g e k e n n z e i c h n e t, that the injection molding process in the recycling operation any
Anteil von Originalrohstoff zugegeben wird.Proportion of original raw material is added.
Verfahren nach Anspruch 6, d a d u r c h g e k e n n z e i c h n e t, d a s s die Zugabemenge von Originalrohstoff etwa 10 % beträgt.The method of claim 6, d a d u r c h g e k e n n z e i c h n e t, that the addition amount of original raw material is about 10%.
8. Verfahren zum Maskieren von Bereichen eines Fahrzeugs während des Lackiervorgangs mit einem Betriebsmittel nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, d a s s das Betriebsmittel am Karosserieflansch (2) von Fahrzeug- oder Fahrzeugmodul-Öffnungen formschlüssig dichtend auf eine kathodische Tauchlackierung aufgelegt und nach dem abschließenden Lackiervorgang wieder entfernt wird.8. A method for masking areas of a vehicle during the painting process with an operating medium according to one of the preceding claims, characterized in that the operating medium on the body flange (2) of vehicle or vehicle module openings is placed in a sealing manner on a cathodic dip coating and after the final painting process is removed again.
9. Verwendung des Betriebsmittels nach einem der Ansprüche 1 bis 4 zum Maskieren von Modulverklebungen am Fahrzeug, insbesondere Frontklappen, Heckklappen, Kotflügeln, Seitenwänden oder dergleichen. 9. Use of the equipment according to one of claims 1 to 4 for masking module adhesives on the vehicle, in particular front flaps, tailgates, fenders, side walls or the like.
EP01947432A 2001-06-29 2001-06-29 Masking article for use in vehicle manufacturing Expired - Lifetime EP1404460B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT01947432T ATE343434T1 (en) 2001-06-29 2001-06-29 MASKING AGENTS FOR VEHICLE CONSTRUCTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/007501 WO2003004174A1 (en) 2001-06-29 2001-06-29 Masking article for use in vehicle manufacturing

Publications (2)

Publication Number Publication Date
EP1404460A1 true EP1404460A1 (en) 2004-04-07
EP1404460B1 EP1404460B1 (en) 2006-10-25

Family

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Application Number Title Priority Date Filing Date
EP01947432A Expired - Lifetime EP1404460B1 (en) 2001-06-29 2001-06-29 Masking article for use in vehicle manufacturing

Country Status (12)

Country Link
US (1) US20040238985A1 (en)
EP (1) EP1404460B1 (en)
JP (1) JP2004535921A (en)
CN (1) CN1277622C (en)
CA (1) CA2450498A1 (en)
CZ (1) CZ20033499A3 (en)
DE (2) DE50111332D1 (en)
HU (1) HUP0400811A2 (en)
MX (1) MXPA03011661A (en)
PL (1) PL365204A1 (en)
SK (1) SK16282003A3 (en)
WO (1) WO2003004174A1 (en)

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DE10260215A1 (en) 2002-12-20 2004-07-01 Pro-Tech Beratungs- Und Entwicklungs Gmbh Masking agents and coating processes
DE10355562A1 (en) * 2003-11-28 2005-06-30 Daimlerchrysler Ag Full repair process by using a plasma process
GB0622340D0 (en) * 2006-11-09 2006-12-20 3M Innovative Properties Co Masking article
GB0711109D0 (en) * 2007-06-11 2007-07-18 3M Innovative Properties Co Masking article comprising skinned foam
FR2921890B1 (en) * 2007-10-05 2015-02-06 Renault Sas MASKING ASSEMBLY FOR PROTECTING A PART OF A FACE OF A STRUCTURAL ELEMENT OF A VEHICLE.
USD751358S1 (en) 2007-11-09 2016-03-15 3M Innovative Properties Company Masking article
DE102010026259A1 (en) 2010-07-06 2012-01-19 Daimler Ag Falzgestaltung a component connection
FR2978473B1 (en) * 2011-07-29 2013-08-09 Exsto Thermoplastics BI-MATERIAL PROVISIONAL CLOSURE DEVICE FOR AN ELEMENT OPENING ON A FIXED ELEMENT OF A BODY OF A MOTOR VEHICLE
FR3004412B1 (en) * 2013-04-16 2016-12-09 Exsto Thermoplastics PROTECTIVE INTERFACE OF A PROVISIONAL CLOSURE DEVICE
FR3030314B1 (en) * 2014-12-19 2019-06-21 Compagnie Plastic Omnium METHOD FOR PRODUCING AN AUTOMOTIVE VEHICLE APPEARANCE PIECE
JP7034676B2 (en) * 2017-11-17 2022-03-14 ブリヂストンスポーツ株式会社 How to make a golf club head
FR3089849B1 (en) 2018-12-18 2020-12-25 Plastic Omnium Cie Process of covering a plastic surface with a permanent coating
CN110339991B (en) * 2019-08-08 2021-11-02 达州华川车辆制造有限公司 Semitrailer product spraying method based on tool assistive device

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JPH11276948A (en) * 1998-03-27 1999-10-12 Nagoya Oil Chem Co Ltd Masking material
WO2000013804A1 (en) * 1998-09-07 2000-03-16 Nagoya Oilchemical Co., Ltd. Masking material

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Also Published As

Publication number Publication date
DE20203933U1 (en) 2002-05-23
CN1520340A (en) 2004-08-11
PL365204A1 (en) 2004-12-27
HUP0400811A2 (en) 2004-08-30
EP1404460B1 (en) 2006-10-25
WO2003004174A1 (en) 2003-01-16
US20040238985A1 (en) 2004-12-02
SK16282003A3 (en) 2004-05-04
CA2450498A1 (en) 2003-01-16
JP2004535921A (en) 2004-12-02
DE50111332D1 (en) 2006-12-07
MXPA03011661A (en) 2004-12-06
CZ20033499A3 (en) 2004-07-14
CN1277622C (en) 2006-10-04

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