Abstract: This invention provides a method for manufacturing decorated-parts of high design-quality and reliability, since the exposed surface of the base coat-layer is not bulged, and thus the color of said coat-layer is distinct. The method for manufacturing decorated-parts of this invention comprises a base coat-layer-forming process, a surface coat-layer-forming process and a laser-decorating process. In the base coat-layer-forming process, a resin-base material of a highly light color at a lightness-level of 70 or more or a clear and colorless resin base-material is formed. In the surface coat-layer forming process, the surface coat-layer of a less-bright color at a lightness-level of 20 or less is formed on the base coat-layer. In the laser-decorating process, the first laser-processed groove penetrating the surface coat-layer and exposing partially the base coat-layer is made by irradiating the infrared laser onto such surface coat-layer, thus providing a fine decoration onto the surface of said decorated-part.

Abstract: A method for manufacturing a decorated-part comprises a first and second base coat-layer-forming process, a surface coat-layer-forming process and a laser-decorating process. In the first base coat-layer-forming process, the first base coat-layer colored in a highly light color at a lightness-level of 70 or more is formed on the surface of the resin base-material 12. In the second base coat-layer-forming process, the second base coat-layer 21C colored in a chromatic color is formed on the first base coat-layer. In the surface coat-layer-forming process, the surface coat-layer colored in a less-bright color at a lightness-level of 20 or less is formed on the second base coat-layer 21C. In the laser-decorating process, the first laser-processed groove penetrating the surface coat-layer and exposing partially the second base coat-layer is made by irradiating the infrared laser onto such surface coat-layer, thus providing a fine decoration onto the surface of said decorated-part.

Abstract: This invention provides a method for manufacturing a decorated part having a dynamic visual effect of a design that is drawn onto the surface of a work, thus reducing the manufacturing cost. The decorated part is manufactured by a laser-irradiating process, which involves irradiating a laser onto a decorative surface 4, thus forming a design 20 having many laser-processed linear grooves 21 closely aligned in a specific direction F1 on said decorative surface. Also, in the laser-irradiating process, said design 20 is formed such that the angle ?2 that is made by the specific direction F1 and by the direction F2 in which the laser-processed linear grooves 21 are extending is gradually changing into the direction in which such laser-processed linear grooves are aligned.

Abstract: This invention aims at providing a decorated-part of which a design of three-dimensional effect is drawn onto the decorative-surface of a part material, thus improving design-quality. A design (4), consisting of a plurality of the same fine regularly arranged basic-pattern (5), is drawn onto the decorative-surface (3a) of the automobile interior-part (1) of this invention. The fine basic-pattern (5) consists of the first-graphic (8) drawn including the first laser-processed groove (6a) and of the second-graphic (9) located in the region surrounded by the first laser-processed groove (6a) and drawn including the second laser-processed groove (6b). The inner-surface roughness (Ra1) of the first laser-processed groove (6a) is greater than the decorative-surface roughness (Ra3) where the fine basic-pattern (5) does not exist on said decorative-surface (3a) (Ra1>Ra3).

Abstract: A method for manufacturing a decorated-part comprises a first and second base coat-layer-forming process, a surface coat-layer-forming process and a laser-decorating process. In the first base coat-layer-forming process, the first base coat-layer colored in a highly light color at a lightness-level of 70 or more is formed on the surface of the resin base-material 12. In the second base coat-layer-forming process, the second base coat-layer 21C colored in a chromatic color is formed on the first base coat-layer. In the surface coat-layer-forming process, the surface coat-layer colored in a less-bright color at a lightness-level of 20 or less is formed on the second base coat-layer 21C. In the laser-decorating process, the first laser-processed groove penetrating the surface coat-layer and exposing partially the second base coat-layer is made by irradiating the infrared laser onto such surface coat-layer, thus providing a fine decoration onto the surface of said decorated-part.

Abstract: This invention provides a decorating device for vehicle-interior components, which can accurately provide gradation on the design of the surface of a resin component. The decorating device comprises a laser-irradiating device and a control device. The control device comprises a virtual-decorating surface 5a that is deformed so as to have a different curvature than the surface of the actual decorating surface 5, thus allowing for the drawing of designs thereon. The control device prepares laser-irradiating data based on the drawing-data, and it controls the laser-irradiating device based on the laser-irradiating data. The laser-irradiating device irradiates the laser L1 focused on the virtual-decorating surface 5a and conducts the laser processing on the actual decorating surface 5, with the focal point of the laser L1 having been shifted from the actual decorating surface 5.

Abstract: This invention provides a method for manufacturing a decorative-part that makes it surely and easily possible to provide fine hairline-patterns that are similar to real texture by a laser-drawing process. By the method for manufacturing the decorative part, a laser-drawing process is done onto the coating-film 21 that has been formed on the surface 13 of the three-dimensional part-material 12. In this process a laser-processed groove-group 23 consists of a number of laser-processed grooves 24, 25, thus providing the hairline-pattern 22 on the coating-film 21. The laser processed groove-group 23 consists of various types of arc-like laser-processed grooves 24, 25 that comprise different curvature radii R of 1,000 mm or more. The arc-like laser-processed grooves 24, 25 are arranged extending appropriately in the same direction and of which each groove crosses at three degrees or less in irregular overlaps that show the line of each groove being wider than any other part.

Abstract: This invention provides a method for manufacturing decorated-parts of high design-quality and reliability, since the exposed surface of the base coat-layer is not bulged, and thus the color of said coat-layer is distinct. The method for manufacturing decorated-parts of this invention comprises a base coat-layer-forming process, a surface coat-layer-forming process and a laser-decorating process. In the base coat-layer-forming process, a resin-base material of a highly light color at a lightness-level of 70 or more or a clear and colorless resin base-material is formed. In the surface coat-layer-forming process, the surface coat-layer of a less-bright color at a lightness-level of 20 or less is formed on the base coat-layer. In the laser-decorating process, the first laser-processed groove penetrating the surface coat-layer and exposing partially the base coat-layer is made by irradiating the infrared laser onto such surface coat-layer, thus providing a fine decoration onto the surface of said decorated-part.

Abstract: This invention provides a method for manufacturing a decorated part having a dynamic visual effect of a design that is drawn onto the surface of a work, thus reducing the manufacturing cost. The decorated part is manufactured by a laser-irradiating process, which involves irradiating a laser onto a decorative surface 4, thus forming a design 20 having many laser-processed linear grooves 21 closely aligned in a specific direction F1 on said decorative surface. Also, in the laser-irradiating process, said design 20 is formed such that the angle ?2 that is made by the specific direction F1 and by the direction F2 in which the laser-processed linear grooves 21 are extending is gradually changing into the direction in which such laser-processed linear grooves are aligned.

Abstract: This invention provides a method for manufacturing a decorative-part that makes it surely and easily possible to provide fine hairline-patterns that are similar to real texture by a laser-drawing process. By the method for manufacturing the decorative part, a laser-drawing process is done onto the coating-film 21 that has been formed on the surface 13 of the three-dimensional part-material 12. In this process a laser-processed groove-group 23 consists of a number of laser-processed grooves 24, 25, thus providing the hairline-pattern 22 on the coating-film 21. The laser processed groove-group 23 consists of various types of arc-like laser-processed grooves 24, 25 that comprise different curvature radii R of 1,000 mm or more. The arc-like laser-processed grooves 24, 25 are arranged extending appropriately in the same direction and of which each groove crosses at three degrees or less in irregular overlaps that show the line of each groove being wider than any other part.

Abstract: This invention aims at providing a decorated-part of which a design of three-dimensional effect is drawn onto the decorative-surface of a part material, thus improving design-quality. A design (4), consisting of a plurality of the same fine regularly arranged basic-pattern (5), is drawn onto the decorative-surface (3a) of the automobile interior-part (1) of this invention. The fine basic-pattern (5) consists of the first-graphic (8) drawn including the first laser-processed groove (6a) and of the second-graphic (9) located in the region surrounded by the first laser-processed groove (6a) and drawn including the second laser-processed groove (6b). The inner-surface roughness (Ra1) of the first laser-processed groove (6a) is greater than the decorative-surface roughness (Ra3) where the fine basic-pattern (5) does not exist on said decorative-surface (3a) (Ra1>Ra3).

Abstract: A method for decorating a given part is designed to print designs onto a coat layer deteriorating the coat layer on the surface of the given part. In the coat layer-forming process, in spreading the metallic-coating material containing aluminum flake onto the surface of the resin compact, the coat layer is formed on the surface of it. In a laser-printing process, a laser is irradiated on the condition of being able to maintain the same state of the coat layer before and after irradiating the laser, so as to reduce the aspect ratio of the micronized-metallic powder, which is the average value of the ratio of the maximum dimension of the micronized-metallic powder to the average value of the minimum dimension of the micronized-metallic powder, which laser irradiation eventually thermally deforms the first scale-shaped micronized-metallic powder into a spherical shape in the coat layer to print designs on the film.

Abstract: This invention provides a decorating device for vehicle-interior components, which can accurately provide gradation on the design of the surface of a resin component. The decorating device comprises a laser-irradiating device and a control device. The control device comprises a virtual-decorating surface 5a that is deformed so as to have a different curvature than the surface of the actual decorating surface 5, thus allowing for the drawing of designs thereon. The control device prepares laser-irradiating data based on the drawing-data, and it controls the laser-irradiating device based on the laser-irradiating data. The laser-irradiating device irradiates the laser L1 focused on the virtual-decorating surface 5a and conducts the laser processing on the actual decorating surface 5, with the focal point of the laser L1 having been shifted from the actual decorating surface 5.

Abstract: A method for decorating a given part is designed to print designs onto a coat layer deteriorating the coat layer on the surface of the given part. In the coat layer-forming process, in spreading the metallic-coating material containing aluminum flake onto the surface of the resin compact, the coat layer is formed on the surface of it. In a laser-printing process, a laser is irradiated on the condition of being able to maintain the same state of the coat layer before and after irradiating the laser, so as to reduce the aspect ratio of the micronized-metallic powder, which is the average value of the ratio of the maximum dimension of the micronized-metallic powder to the average value of the minimum dimension of the micronized-metallic powder, which laser irradiation eventually thermally deforms the first scale-shaped micronized-metallic powder into a spherical shape in the coat layer to print designs on the film.