ES2250649T3 - PROCEDURE FOR DECORATION OF METAL PARTS THROUGH THE APPLICATION OF POWDER PAINTING. - Google Patents
PROCEDURE FOR DECORATION OF METAL PARTS THROUGH THE APPLICATION OF POWDER PAINTING.Info
- Publication number
- ES2250649T3 ES2250649T3 ES02730308T ES02730308T ES2250649T3 ES 2250649 T3 ES2250649 T3 ES 2250649T3 ES 02730308 T ES02730308 T ES 02730308T ES 02730308 T ES02730308 T ES 02730308T ES 2250649 T3 ES2250649 T3 ES 2250649T3
- Authority
- ES
- Spain
- Prior art keywords
- paint
- metal parts
- application
- procedure
- decorating
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/04—Designs imitating natural patterns of stone surfaces, e.g. marble
-
- 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
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D5/00—Surface treatment to obtain special artistic surface effects or finishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/02—Designs imitating natural patterns wood grain effects
-
- 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
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
- B05D2202/00—Metallic substrate
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0263—After-treatment with IR heaters
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/536—Base coat plus clear coat type each layer being cured, at least partially, separately
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Procedimiento de decoración de piezas metálicas mediante la aplicación de pintura en polvo.Procedure for decorating metal parts by applying powder paint.
La presente invención consiste en un procedimiento para la decoración de piezas metálicas en general, y de manera preferente de perfiles de aluminio o hierro a los que se desea aplicar una capa decorativa imitadora de un acabado natural como puede ser el mármol, la madera etc.The present invention consists of a procedure for decorating metal parts in general, and preferably of aluminum or iron profiles to which you want to apply a decorative coat imitating a natural finish such as marble, wood etc.
Es objeto de la presente invención proporcionar un procedimiento de decoración en el que motivo decorativo pueda ser reproducido con una alta precisión ofreciendo por lo tanto un acabado de muy alta calidad, y al mismo tiempo permitir que las piezas a tratar puedan ser manipuladas durante la fase de decoración sin que ello afecte a la calidad final del efecto decorativo.It is the object of the present invention to provide a decoration procedure in which decorative motif can be reproduced with high precision thus offering a Very high quality finish, and at the same time allow the pieces to be treated can be handled during the decoration phase without affecting the final quality of the decorative effect.
La presente invención tiene aplicación en el campo de la decoración de piezas metálicas, y en particular en la decoración de perfiles de aluminio o hierro mediante la aplicación de pinturas en polvo.The present invention has application in the field of decoration of metal parts, and in particular in the decoration of aluminum or iron profiles by application of powder paints.
La utilización de perfiles de aluminio para la fabricación de ventanas, puertas y otros cerramientos, ha sustituido en gran medida el empleo de la madera debido a su coste más reducido y a sus ventajas estructurales y de fabricación.The use of aluminum profiles for manufacture of windows, doors and other enclosures, has replaced largely the use of wood due to its lower cost and its structural and manufacturing advantages.
Han sido múltiples los intentos para alcanzar un acabado decorativo del aluminio lo más similar posible a la madera, pero sin embargo ninguno de estos intentos ha alcanzado un resultado satisfactorio.There have been multiple attempts to reach a decorative aluminum finish as similar as possible to wood, but none of these attempts have reached a result satisfactory.
Uno de estos primeros intentos es el descrito en la patente japonesa JP-4318195 la cual presenta un procedimiento electrolítico para la decoración del aluminio, mediante el cual se consigue que el acabado final sea muy resistente a la intemperie, pero sin embargo la calidad del efecto decorativo está muy lejos de ser aceptable.One of these first attempts is the one described in Japanese patent JP-4318195 which presents a electrolytic process for decorating aluminum, whereby the final finish is very resistant outdoors, but nevertheless the quality of the decorative effect It is far from acceptable.
Otros sistemas conocidos se basan en el empleo de la técnica conocida como "sublimación" muy empleada en el ramo textil, la cual ha permitido perfeccionar considerablemente la calidad del aspecto decorativo, pero la resistencia de sus colores a la luz, sus altos costes han causado una limitación en su aplicación.Other known systems are based on the use of the technique known as "sublimation" widely used in the field textile, which has allowed to considerably improve the quality of the decorative appearance, but the resistance of its colors to light, its high costs have caused a limitation in its application.
Otras técnicas de decoración conocidas son las descritas en las patentes europeas EP-0.843.598 y EP-0.656.231, basadas en la aplicación de pintura sobre pintura, en las que se han resuelto los problemas de coste, y de resistencia a la luz, pero que no han conseguido un aspecto decorativo con suficiente precisión que no llega a reproducir satisfactoriamente el aspecto de la madera.Other known decorating techniques are the described in European patents EP-0.843.598 and EP-0.656.231, based on the application of paint on paint, in which cost problems have been resolved, and of light resistance, but they have not achieved an appearance decorative with sufficient precision that fails to reproduce the appearance of the wood satisfactorily.
Otro ejemplo de este tipo de procedimientos es el descrito en la patente europea EP-0.818.248 basado en la aplicación de serigrafía con pintura en polvo, y mediante el que tampoco se resuelve la precisión del diseño debido a que la granulometría de la segunda capa de pintura en polvo, es muy similar o idéntica a la de la primera capa base de pintura en polvo.Another example of this type of procedure is the described in European patent EP-0.818.248 based in the application of screen printing with powder paint, and by that the accuracy of the design is also not resolved because the granulometry of the second layer of powder paint, is very similar or identical to that of the first base coat of powder paint.
El procedimiento descrito en la patente europea EP-0.818.248, comprende las siguientes fases:The procedure described in the European patent EP-0.818.248, includes the following phases:
aplicación de una primera pintura en polvo cargado electroestáticamente para su adherencia a la superficie metálica a tratar,application of a first powder paint electrostatically charged for surface adhesion metallic to treat,
someter a dicho perfil a una primera temperatura comprendida entre 170ºC y 200ºC durante un tiempo adecuado para iniciar el proceso de polimeración de dicha pintura con objeto de fundirla y extenderla homogéneamente sobre la superficie de dicho perfil,subject said profile to a first temperature between 170ºC and 200ºC for a suitable time to initiate the process of polymerization of said paint in order to melt it and spread it evenly on the surface of said profile,
enfriar dicho perfil para detener el proceso de polimerización,cool said profile to stop the process of polymerization,
aplicar por serigrafía una segunda pintura en polvo del mismo tipo de resina pero con una tonalidad o color distinto al de la primera pintura,apply a second paint in silkscreen powder of the same type of resin but with a hue or color different from the first painting,
llevar dicho perfil a una temperatura final durante un tiempo determinado para alcanzar la polimerización completa de dichas primera y segunda capa de pintura.bring said profile to a final temperature for a certain time to achieve polymerization complete of said first and second coat of paint.
Convencionalmente las pinturas comerciales
aplicadas en estos procedimientos para proteger y decorar el
aluminio destinado a la fabricación de puertas y cerramientos en
general, son pinturas de poliéster en polvo con una distribución del
tamaño de partículas del polvo que depende de cada fabricante, pero
que convencionalmente está comprendido entre 40 y
150
micras.Conventionally the commercial paints applied in these procedures to protect and decorate the aluminum destined for the manufacture of doors and enclosures in general, are polyester powder paints with a distribution of the particle size of the dust that depends on each manufacturer, but which is conventionally between 40 and
150 microns
Los expertos en estas técnicas son conscientes de que el tamaño de las partículas en polvo, tiene una influencia directa en la deposición electroestática de la pintura. Durante el proceso de decoración es necesario manipular la pieza metálica, por ejemplo en un cambio de posición de la pieza para aplicar pintura en otra de sus caras, por lo que durante esa manipulación las partículas de granulometría muy pequeña sufren desplazamientos que desfiguran el motivo decorativo y merman la calidad del resultado final.Experts in these techniques are aware of that the size of the powdered particles has an influence Direct in electrostatic deposition of the paint. During the decoration process is necessary to manipulate the metal part, by example in a change of position of the piece to apply paint on another of their faces, so during that manipulation the very small particle sizes suffer displacements that disfigure the decorative motif and reduce the quality of the result final.
El procedimiento de decoración desarrollado en la presente invención, resuelve satisfactoriamente las carencias de los procedimientos conocidos en la actualidad, puesto que permite la decoración de piezas metálicas con altísimo grado de precisión en la reproducción de diseños decorativos, y por lo tanto proporciona un acabado de una calidad muy superior a los procedimientos de decoración conocidos en el estado de la técnica.The decoration procedure developed in the This invention satisfactorily resolves the shortcomings of the currently known procedures, since it allows the decoration of metal parts with a high degree of precision in the reproduction of decorative designs, and therefore provides a finish of a quality far superior to the procedures of decoration known in the state of the art.
El procedimiento objeto de la invención parte de una primera fase convencional, en la que una primera pintura a base de poliéster en polvo se deposita electrostáticamente sobre una pieza metálica a decorar, como puede ser por ejemplo una pieza de aluminio o hierro. Igualmente de forma convencional, esta primera pintura en polvo es sometida a un tratamiento térmico.The process object of the invention starts from a first conventional phase, in which a first paint based polyester powder is electrostatically deposited on a metal piece to decorate, such as a piece of aluminum or iron Likewise conventionally, this first Powder paint is subjected to heat treatment.
La novedad de la invención radica en la aplicación mediante serigrafía de una segunda pintura en polvo con un tamaño de partículas inferior a 40 micras, contrariamente a la práctica habitual en estas técnicas, y todo ello con objeto de lograr una elevadísima definición en la reproducción del motivo decorativo gracias a la utilización de un polvo muy fino. De este modo se logra reproducir detalles, como por ejemplo puede ser el veteado de la madera, con una precisión que no sería posible con los procedimientos conocidos en la actualidad.The novelty of the invention lies in the application by screen printing of a second powder paint with a particle size of less than 40 microns, contrary to the usual practice in these techniques, and all in order to achieve a very high definition in the reproduction of the motif decorative thanks to the use of a very fine powder. Of this mode is able to reproduce details, such as the wood grain, with an accuracy that would not be possible with procedures known today.
Posteriormente esta segunda pintura en polvo con una granulometría seleccionada, es sometida a un tratamiento térmico en zonas localizadas para fijarla sobre la primera pintura. El tratamiento térmico consiste en la aplicación de una radiación, preferentemente una radiación infrarroja, con objeto de calentar la segunda pintura hasta que la misma alcance un estado gelatinoso que produzca su fijación sobre la primera capa de pintura base, y que de este modo permita la manipulación de la pieza metálica a decorar sin riesgo a que las partículas de la segunda pintura se desplacen y se desfigure el diseño decorativo.Subsequently this second powder paint with a selected grain size is subjected to a heat treatment in localized areas to fix it on the first paint. He heat treatment involves the application of radiation, preferably infrared radiation, in order to heat the second paint until it reaches a gelatinous state that produce its fixation on the first layer of base paint, and that of This mode allows the manipulation of the metal piece to be decorated without risk that the particles of the second paint move and disfigure the decorative design.
Finalmente la pieza metálica con la primera
pintura base y la segunda pintura, es sometida a un tratamiento
término final y conjunto con el que se polimeriza conjuntamente la
primera y la segunda capa de pintura obteniéndose la decoración
final del
producto.Finally, the metal part with the first base paint and the second paint, is subjected to a final and joint final treatment with which the first and second coat of paint is polymerized together obtaining the final decoration of the
product.
El procedimiento objeto de la invención consigue de este modo alcanzar niveles de definición en la reproducción de un motivo decorativo, muy superiores a los alcanzados mediante técnicas de decoración convencionales.The process object of the invention achieves in this way reach levels of definition in the reproduction of a decorative motif, far superior to those achieved through techniques of conventional decoration.
Para complementar la descripción que se está
realizando y con objeto de ayudar a una mejor comprensión de las
características del invento, de acuerdo con un ejemplo preferente de
realización práctica del mismo, se acompaña como parte integrante de
dicha descripción, una figura en donde con carácter ilustrativo y no
limitativo, se ha representado lo si-
guiente:To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of the same, a figure is included as an integral part of said description. illustrative and not limiting, the following has been represented
guiente:
La figura 1.- representa esquemáticamente el reflector elíptico empleado preferentemente en el tratamiento térmico de la segunda pintura participante en el procedimiento.Figure 1.- schematically represents the elliptical reflector preferably used in the treatment thermal of the second paint participating in the procedure.
Según lo anteriormente expuesto, el procedimiento de decoración objeto de la presente invención comprende las siguientes fases:As stated above, the procedure decoration object of the present invention comprises the following phases:
1º.- Aplicación de una primera pintura base de
poliéster en polvo que se deposita electroestáticamente sobre la
pieza de aluminio o hierro que se desea
decorar.1º.- Application of a first polyester powder base paint that is electrostatically deposited on the desired piece of aluminum or iron
decorate.
2º.- Tratamiento térmico de dicha primera pintura base por medios convencionales durante un período de tiempo comprendido entre 4 y 6 minutos a una temperatura de 130ºC.2nd.- Heat treatment of said first paint basis by conventional means for a period of time between 4 and 6 minutes at a temperature of 130 ° C.
3º.- Aplicación mediante serigrafía de una segunda pintura en polvo sobre dicha primera pintura base, formando una distribución de esta segunda pintura acorde con el motivo decorativo que se desea obtener, como por ejemplo puede ser madera, mármol o cualquier otro diseño. Con objeto de obtener un alto grado de precisión en la reproducción del diseño decorativo, la aplicación de esta segunda pintura se realiza mediante una malla de serigrafía de 40 micras de paso de malla, y las partículas de esta segunda pintura en polvo están seleccionadas con un tamaño inferior a 40 micras, puesto que partículas de un tamaño superior no pasarían a través de la malla y obstruirían los poros de la misma, perdiéndose por lo tanto definición en la reproducción del motivo decorativo. En una realización preferente de la invención la granulometría de las partículas de esta segunda pintura está comprendido entre 5 y 30 micras.3º.- Application by screen printing of a second powder paint on said first base paint, forming a distribution of this second painting according to the motive decorative that you want to obtain, such as wood, Marble or any other design. In order to obtain a high degree Precision in the reproduction of decorative design, the application This second painting is done using a screen printing mesh of 40 microns of mesh passage, and the particles of this second powder paint are selected with a size less than 40 microns, since particles of a larger size would not pass to through the mesh and clog the pores of it, losing therefore definition in the reproduction of the decorative motif. In a preferred embodiment of the invention the granulometry of the particles of this second paint is between 5 and 30 microns
4º.- A continuación se realiza un tratamiento térmico localizado en las zonas (A) donde se ha depositado dicha segunda pintura, con objeto de que la misma adquiera un estado gelatinoso que permita su fijación sobre la primera pintura base. Este tratamiento térmico consiste en la aplicación de una radiación infrarroja con una onda corta con su máxima energía situada entre 1000 y 1200 nm, estando concentrada y dirigida por un reflector elíptico (2), con el que según la disposición mostrada en la figura 1, se obtiene la concentración máxima de radiación a una distancia (C) comprendida entre 10 a 30 mm de la superficie del metal (1). En una realización preferente esta distancia está comprendida entre 15 a 17 mm.4º.- Then a treatment is carried out thermal located in areas (A) where said deposit has been deposited second painting, so that it acquires a state jelly that allows its fixation on the first base paint. This heat treatment involves the application of radiation infrared with a short wave with its maximum energy located between 1000 and 1200 nm, being concentrated and directed by a reflector elliptical (2), with which according to the arrangement shown in the figure 1, the maximum radiation concentration at a distance is obtained (C) between 10 to 30 mm of the metal surface (1). In a preferred embodiment this distance is between 15 to 17 mm.
La onda corta se obtiene mediante una lámpara de cuarzo trabajando a 2400ºC, y el tiempo de aplicación de la radiación máxima está comprendido entre 1 a 10 segundos, preferentemente entre 2 a 4 segundos. Con estos parámetros de trabajo se consigue que el tiempo necesario para completar este tratamiento térmico por aplicación de radiación infrarroja, sea considerablemente corto, y por lo tanto no influya en el tiempo total en el que se completa la decoración de una pieza metálica.The short wave is obtained by a lamp quartz working at 2400ºC, and the application time of the maximum radiation is between 1 to 10 seconds, preferably between 2 to 4 seconds. With these parameters of work you get that the time needed to complete this heat treatment by application of infrared radiation, either considerably short, and therefore does not influence time total in which the decoration of a metal piece is completed.
La aplicación de la radiación infrarroja de forma localizada en las zonas donde se ha aplicado la segunda pintura, tiene por objeto el de no incidir en la primera pintura base, de modo que no se altere el estado alcanzado por esta pintura base durante su tratamiento térmico descrito en el punto 2º.The application of infrared radiation so located in the areas where the second paint has been applied, Its purpose is not to influence the first base paint, of so that the state reached by this base paint is not altered during its heat treatment described in point 2.
Esta segunda pintura puede tener diferente tonalidad o color que la primera pintura base, con objeto de obtener el diseño decorativo deseado.This second painting may have different hue or color as the first base paint, in order to obtain The desired decorative design.
En este punto, la pieza metálica a tratar puede ser manipulada, por ejemplo se puede cambiar su posición para aplicar pintura sobre otra de sus caras, sin riesgo de que las partículas de la segunda pintura aplicadas por serigrafía se desplacen del punto exacto en el que han sido depositadas mediante la malla de serigrafía.At this point, the metal part to be treated can be manipulated, for example you can change your position to apply paint on another of their faces, without risk of particles of the second paint applied by screen printing are move from the exact point where they have been deposited by Screen printing mesh.
Los parámetros de trabajo descritos para esta fase del procedimiento, han sido seleccionados para alcanzar, en un determinado tiempo, un estado gelatinoso particular de la segunda pintura, que sin demorar excesivamente el tiempo necesario para completar el tratamiento térmico, permitan que el estado gelatinoso alcanzado sea suficiente para impedir el desplazamiento de las partículas de la segunda pintura.The work parameters described for this stage of the procedure, have been selected to reach, in a certain time, a particular gelatinous state of the second paint, which without unduly delaying the time needed to complete the heat treatment, allow the gelatinous state reached enough to prevent the displacement of particles of the second paint.
5º.- Finalmente tras la aplicación de la primera y la segunda capa de pintura con sus respectivos tratamientos térmicos, es decir, el lacado de la primera pintura base y la fijación de la segunda pintura, se somete al conjunto a un tratamiento térmico final para polimerizar conjuntamente las dos capas de pintura. En este tratamiento final se lleva a cabo a una temperatura comprendida entre 160ºC y 220ºC (de temperatura del metal) durante un tiempo de 8 a 20 minutos.5º.- Finally after the application of the first and the second layer of paint with their respective treatments thermal, that is, the lacquer of the first base paint and the fixing of the second painting, the whole is subjected to a final heat treatment to polymerize the two together paint layers. In this final treatment is carried out a temperature between 160ºC and 220ºC (from metal) for a time of 8 to 20 minutes.
Claims (9)
pintura.1. Procedure for decorating metal parts by applying powder paint, aimed at achieving a high degree of definition in the reproduction of the decorative design, in which the following phases are involved: application of a first powder paint by electrostatic deposition on the metallic surface to be decorated, heat treatment of said first paint, application in selected areas of the first paint by means of a screen printing mesh of a second powder paint to obtain a decorative design, and a final heat treatment of said first and second paint for achieve the joint polymerization of both paints, characterized in that the size of the particles that make up the second powder paint is less than 40 microns, and because said second paint after its application through the screen printing mesh, is subjected to a heat treatment by means of the application of infrared radiation in localized areas , in order to bring this second powder paint to a gelatinous state that causes its fixation on the first paint, in order to enable the manipulation of the metal part without causing a displacement of the particles of the second
painting.
20 minutos.9. Method of decorating metal parts, according to claim 1, characterized in that the final and joint heat treatment of the first and second paint is carried out at a temperature between 160 and 220 ° C of metal temperature and for a time between 8 to
20 minutes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2002/000214 WO2003095109A1 (en) | 2002-05-07 | 2002-05-07 | Method of decorating metal parts through the application of a powder paint |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2250649T3 true ES2250649T3 (en) | 2006-04-16 |
Family
ID=29414901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES02730308T Expired - Lifetime ES2250649T3 (en) | 2002-05-07 | 2002-05-07 | PROCEDURE FOR DECORATION OF METAL PARTS THROUGH THE APPLICATION OF POWDER PAINTING. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1518609B1 (en) |
AT (1) | ATE307682T1 (en) |
AU (1) | AU2002302655A1 (en) |
DE (1) | DE60206974D1 (en) |
ES (1) | ES2250649T3 (en) |
MX (1) | MXPA04011081A (en) |
WO (1) | WO2003095109A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050132930A1 (en) * | 2003-12-23 | 2005-06-23 | Schlegel Grant E. | Antique and faux finish powder coatings and powder coating methods |
ITRM20090327A1 (en) * | 2009-06-25 | 2010-12-26 | Univ Roma | MULTILAYER PAINTING PROCEDURE |
ITMI20110455A1 (en) | 2011-03-23 | 2012-09-24 | Lasa Impianti Srl | PROCEDURE AND EQUIPMENT FOR THE DECORATION OF OBJECTS WITH INKS OR LIQUID PAINTS |
US8628824B2 (en) * | 2011-11-15 | 2014-01-14 | Pi-Chu Li | Manufacture method for forming antique color on metal surface |
DE102014009945A1 (en) | 2014-07-04 | 2016-01-07 | Dürr Systems GmbH | Painting process and paint shop for decorative painting |
EP4245426B1 (en) * | 2022-03-16 | 2024-05-01 | Enviral Oberflächenveredelung GmbH | Optimised powder coating technique for the coating of metal surfaces |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2685351B1 (en) * | 1991-12-18 | 1994-04-29 | Sauvegrain Christian | PROCESS FOR DECORATING A METAL SURFACE. |
JPH07116391B2 (en) * | 1992-03-09 | 1995-12-13 | 菊水化学工業株式会社 | Paint composition and method of using the same |
ATE226853T1 (en) * | 1995-08-07 | 2002-11-15 | Mida Srl | METHOD FOR COATING AND DECORATING SURFACES IN GENERAL |
PT818248E (en) * | 1996-06-12 | 2001-03-30 | Vergani Esterina | PROCESS FOR PAINTING PLATES AND METAL SECTIONS |
-
2002
- 2002-05-07 ES ES02730308T patent/ES2250649T3/en not_active Expired - Lifetime
- 2002-05-07 MX MXPA04011081A patent/MXPA04011081A/en unknown
- 2002-05-07 AU AU2002302655A patent/AU2002302655A1/en not_active Abandoned
- 2002-05-07 AT AT02730308T patent/ATE307682T1/en not_active IP Right Cessation
- 2002-05-07 EP EP02730308A patent/EP1518609B1/en not_active Expired - Lifetime
- 2002-05-07 DE DE60206974T patent/DE60206974D1/en not_active Expired - Lifetime
- 2002-05-07 WO PCT/ES2002/000214 patent/WO2003095109A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1518609B1 (en) | 2005-10-26 |
AU2002302655A1 (en) | 2003-11-11 |
WO2003095109A1 (en) | 2003-11-20 |
EP1518609A1 (en) | 2005-03-30 |
ATE307682T1 (en) | 2005-11-15 |
MXPA04011081A (en) | 2005-09-08 |
DE60206974D1 (en) | 2005-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2250649T3 (en) | PROCEDURE FOR DECORATION OF METAL PARTS THROUGH THE APPLICATION OF POWDER PAINTING. | |
MX2007010285A (en) | Methods of forming composite coatings. | |
RU98103983A (en) | METHOD FOR COATING AND DECORATIVE FINISHING OF SURFACES | |
US3202527A (en) | Method of finishing | |
KR200390130Y1 (en) | Color coating flowerpot | |
US4405664A (en) | Exhibit of a decorative art work | |
JPS6044986B2 (en) | Decorative material manufacturing method | |
RU2012424C1 (en) | Method of producing protective-decorative covering on surface of samovar | |
JPS63287578A (en) | Method for painting ceramic ware | |
ES2144134T3 (en) | PROCEDURE FOR THE MANUFACTURE OF FLAT GLASS BODIES AND COATED WITH COLORS, GLASS BODIES AND COMPOSITE MATERIALS WITH FLAT GLASS. | |
JPH0523597Y2 (en) | ||
KR930009945A (en) | Manufacturing method of decorative glass | |
JPH02203968A (en) | Coating method | |
JPS5845079Y2 (en) | Decorative material | |
JPS60227224A (en) | Ornamental working method of spectacle frame | |
JPH03242267A (en) | Decorating method by bead coating | |
JPH05162435A (en) | Duplicated image | |
JPS54154434A (en) | Wet-on-wet coating of coating material | |
JPS5916924B2 (en) | Decorative material manufacturing method | |
JPS5847166B2 (en) | Cloisonne-like ornaments and their manufacturing method | |
JPH0568435B2 (en) | ||
JPH026878A (en) | Production of decorative sheet used for furniture | |
JPS59115768A (en) | Forming method of stone-like surface by multi-color paint | |
JPS6227080A (en) | Method for decorating coated film | |
JPS59166272A (en) | Formation of ornamental material |