JP2007203260A - Method for surface decoration having bright metallic feeling by color clear coating material - Google Patents

Method for surface decoration having bright metallic feeling by color clear coating material Download PDF

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JP2007203260A
JP2007203260A JP2006027814A JP2006027814A JP2007203260A JP 2007203260 A JP2007203260 A JP 2007203260A JP 2006027814 A JP2006027814 A JP 2006027814A JP 2006027814 A JP2006027814 A JP 2006027814A JP 2007203260 A JP2007203260 A JP 2007203260A
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color clear
surface decoration
metallic
decoration method
painted
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JP2006027814A
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Masaaki Ishino
石野雅彰
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Masaaki Ishino
石野 雅彰
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a surface decoration method for giving repose and bright metallic feeling. <P>SOLUTION: The luster feeling relates to the ratio of [(specular reflection light 2)/(diffusion reflection light 3)]. After a pre-treatment such as chemical conversion treatment is carried out for a cut and processed aluminum-based metal part 8 before coating, a color clear coating material is applied. The coloring component of the color clear coating film 10 absorbs the diffusion reflection light 3 to give repose and bright metallic feeling in the surface decoration method. If necessary, after an under-metallic coating is carried out and coating is carried out using an under-color clear coating material and a tinkle metallic coating is carried out, further coating may be carried out using upper color clear coating material. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a surface decoration method using a color clear paint.

Metals and polymer materials are often used for automobiles, motorcycle parts, and building parts. These metals and polymer materials are coated or plated to improve corrosion resistance, weather resistance and aesthetic appearance by surface treatment. With the diversification of customer needs in recent years, not only the purpose of painting and plating is to protect materials and give aesthetics, but also parts of automobiles and motorcycles with a surface decoration that has a sense of luxury that has moved away from the conventional image. Is required.

Among these, aluminum-based metals are light weight, strong, and corrosion-resistant, so that they are often used for parts such as automobiles, and there are many prior arts for surface decoration methods. A method of coating a color clear electrodeposition coating on an anodized film with or without electrolytic coloring (Patent Document 1), forming a coating film of a polychromatic clear paint such as an alumina flake pigment, and a plating-like clear coating film thereon There is a method of forming (Patent Document 2).
Patent Publication 9-41194 JP 2004-267983

Furthermore, many applications have been filed for making use of the properties of the material itself and polishing the surface to form a clear coating to make use of the material base. A method of plating after shot blasting on an aluminum wheel (Patent Document 3), a method of mirror finishing with a single crystal diamond tool (Patent Document 4), a part of which is mirror-polished and the entire surface is clear painted or color clear painted for gloss There is a method for producing a certain metallic feeling (Patent Document 5).
JP-A-6-293993 JP-A-8-3201 Registered Utility Model No. 3115961

However, the surface decoration method requires time and labor, such as overlaying coating films or mirror-polishing the material. In addition, customer needs require a variety of luxury surface decorations. The inventor tried various paints and painting methods by trial and error, and as a result, developed a surface decoration method with a glossy metallic feeling different from the past by using a color clear paint, and further developed a color clear paint. Inventing a method that can shorten the conventional polishing and painting process by using the method.

An object of the present invention is to make use of the characteristics of a color clear paint to create a surface having a calm and glossy metallic feeling by omitting a polishing step and the like.

That is, the invention of claim 1 is a surface decoration method that uses a color clear paint to produce a calm and glossy metallic feeling. Color clear paints have been used to color the material without concealing the interior, taking advantage of the luster of the material and plated surface under the color clear paint film. Color clear paints are transparent paints that do not conceal the interior containing pigments and dyes (hereinafter sometimes referred to as colorants), and include powder paints, solvent paints, and water-soluble paints. Tables 2 to 4 show typical examples of components and mixing ratios of the solvent-based color clear paint. Table 1 shows typical examples of clear paint components and blending ratios. From Table 1 to Table 4, it can be said that the color clear paint is obtained by adding a colorant to the clear paint. Here, concealment means that the black and white lattice pattern under the coating becomes invisible by applying paint.

In the course of studying a new surface decoration method, the inventor found that the coloring component of the color clear coating film tends to absorb diffuse reflection light from the bottom of the color clear coating film. We found a new paint specification using

The invention according to claim 2 is characterized in that the aluminum-based metal member cut under the following cutting conditions is pre-painted and then painted with a color clear paint, and the calm and glossy metal feeling according to claim 1 Is a surface decoration method.
The blade feed dimension means one rotation (/ rotation) in lathe processing and one step (/ step) in linear processing. The shape of the cutting edge is arcuate, and R represents the radius of curvature at the location where the workpiece is machined.

Cutting in a broad sense includes processing with a grindstone and processing with abrasive grains, but in the present text, processing with a narrowly defined blade (cutting tool) is meant. When cutting a cast product, since the machining allowance is as large as 2 to 3 mm, it is generally processed in two steps. The first round is called roughing, and a metal cutting tool is used that has a large cutting blade feed rate and is less likely to spill. The second time is called finishing, which reduces the feed amount of the cutting blade to increase the surface roughness, that is, smoothes the surface. (Hereinafter, increasing the surface roughness or improving the surface roughness means smoothing the surface.) A natural diamond single crystal tool may be used to give a metallic feel. The cutting conditions are those for finishing, and not only metal tools but also artificial or natural diamond tools can be used.

An aluminum-based metal refers to an aluminum alloy mainly composed of metallic aluminum. Aluminum alloys include various materials such as silicon and magnesium for increasing the rigidity. The reason why the aluminum-based metal member is used is that not only the parts but also the material in which the aluminum-based metal is included in a part of the whole is expressed.

The pre-coating treatment here refers to a series of processes such as degreasing, rinsing, phosphate or chromate treatment, rinsing, etc., by removing dust adhering to the object to be coated.

In some cases, a primer paint is applied to improve adhesion after the pre-treatment, and a color clear paint is applied thereon. A clear paint may be applied on the color clear paint film. An ultraviolet absorber can be added to the color clear paint or clear paint. Clear paints include powder paints, solvent-based paints, and water-soluble paints. Table 1 shows examples of components and blending ratios of the solvent-based clear paint.

In the past, specifications for clear coating after cutting have been used a lot to take advantage of the sparkle of the metal that has been cut off. However, in order to give a metallic feeling, a diamond single crystal blade was used or the blade feed was delayed to improve the surface roughness. Furthermore, although the surface roughness was improved by barrel polishing or buffing, these operations were time consuming. Furthermore, even though the cut surface had a metallic feeling, the metal feeling was weakened by applying a clear paint, resulting in the phenomenon of white blurring and lack of glossiness. Therefore, it was necessary to increase the film thickness of the clear paint. The inventor who thought that the cause of the white blurring and lack of gloss is the influence of diffuse reflection light corrects this defect by the surface decoration method according to claim 2 which can absorb the diffuse reflection light by trial and error. I was able to. Details are described below.

In claim 2, it is expressed as “a calm and glossy metallic feeling”. A mirror surface generally refers to a “glass mirror”, which is silver-plated on glass. However, the mirror surface may be a metal mirror that has been used since ancient times. In ancient times, the copper surface was polished and used as a mirror. When light enters the object, as shown in FIG. 1, a part of the light is reflected and a part of the light is transmitted. The reflected light is divided into specular reflection light and diffuse reflection light. The ratio between the specular reflection and the diffuse reflection is affected by the roughness of the object surface. The smoother the surface, the higher the ratio of the specular reflection light. The intensity of diffusely reflected light is lower than that of specularly reflected light. This is because specularly reflected light is reflected only in one direction, but diffused reflected light disperses, that is, diffuses and reflects incident light. In a metal, since the electric field of light is blocked by free electrons, the light hardly enters the metal, and most of the incident light is reflected light. The most smooth surface is glass, and a glass mirror is common at present. Since the surface of a metal mirror is not smooth compared to a glass mirror, the ratio of specular reflection light is small and the ratio of diffuse reflection light is high. For this reason, the reflection is soft with a metal mirror. In addition, specular reflection and diffuse reflection are included in the case of reflection in the text, and specular reflection light and diffuse reflection light are included in the case of reflection light.

When light is incident on the surface coated with a color clear paint after pre-coating the cut aluminum-based metal member, the incident light is as shown in FIG. Part of the incident light is reflected by the surface of the color clear coating or the colored components of the color clear paint, but most of the incident light reaches the surface of the aluminum-based metal member and is reflected while being refracted by the color clear coating. . The longer the color clear coating is transmitted, the greater the light attenuation. The specularly reflected light is unidirectional, the light intensity is strong, the transmission distance in the color clear coating film is short, and the ratio of transmitting the color clear coating film and its colored components is large. On the other hand, the diffuse reflected light is weak in light intensity and further has a long transmission distance in the color clear coating film due to diffuse reflection, so that the diffuse reflected light tends to be absorbed by the coloring component of the color clear coating film. Since a part of the specular reflection light and most of the diffuse reflection light are absorbed, it becomes dark as a whole when viewed from the outside. On the other hand, the diffuse reflected light is generated due to the unevenness of the surface of the aluminum-based metal member. Therefore, the diffused reflected light is absorbed so that the uneven state of the aluminum-based metal member is not noticeable, and the surface of the aluminum-based metal member is smooth. It can be seen as a feeling. There are also expressions such as “gloss” or “gloss”, which seems to be related to the ratio of [(specular reflection light) / (diffuse reflection light)]. It is said that there is.

As described above, although it becomes dark as a whole when viewed from the outside, the diffuse reflected light on the surface of the aluminum-based metal member is absorbed by the colored component particularly by the color clear coating film, so [(specular reflected light) / ( The ratio of diffusely reflected light)] is increased and the glossiness is improved. Therefore, the expression “smooth and glossy metallic feeling” is used. Until now, color clear paints have been used for coloring the surface of the material without concealing the substrate. That is, as described above, the diffuse reflected light has a weaker intensity than the specular reflected light and further has a long transmission distance in the clear coating film, so that most of the diffuse reflected light is absorbed in the color clear coating film. The diffuse reflected light is proportional to the surface roughness of the material surface, and the diffuse reflected light increases when the surface roughness is low, that is, when the surface is not smooth. Therefore, the same effect as the surface roughness of the material is improved by absorbing the diffuse reflection light, and the ratio of [(specular reflection light) / (diffuse reflection light)] is increased. Therefore, the present inventors have found a method capable of omitting mirror polishing such as barrel polishing and buff polishing, which has been used to increase the surface roughness, and has developed a surface decoration method having a calm and glossy metallic feeling.

The invention of claim 3 is an aluminum base metal wheel, engine camshaft cover, crankcase, drum brake panel, hub and other aluminum base metal automobile and motorcycle parts processed by the surface decoration method of claim 2. . These parts are necessary as structural members, but are visible from the outside and require an aesthetic appearance.

The invention according to claim 4 is characterized in that after the cut aluminum-based metal member is pre-painted, it is painted with a base color clear paint, painted with a tinkle metallic paint, and further painted with an upper color clear paint. The surface decoration method for producing a calm and glossy metallic feeling according to claim 1.

In claim 4, the conditions for cutting are not shown, and “cutting” represents general finishing. The aluminum base metal member and the coating pretreatment are as described above. A transparent primer coating film for aluminum or a powder clear coating film may be placed between the surface of the aluminum-based metal member and the base color clear coating film. The base color clear paint and the upper color clear paint may be the same color or a combination of different colors. The tinkle metallic paint is a paint in which aluminum powder is basically mixed in a transparent varnish. The aluminum powder can be either leafing or non-leafing, and the particle size, particle size distribution, and concentration are arbitrary, but it is important not to conceal the substrate by giving only a glittering feeling and bright shine. To reduce the hiding power and transmit specularly reflected light from the base as much as possible. It is important to avoid the overlap of aluminum powder and apply it thinly and uniformly.

Until now, metallic paint has been mainly used to give a metallic feel after cutting. However, it was necessary to stack aluminum powder in order to conceal the surface of the material, resulting in white blurring, a rough feel, and it did not look like a white, shiny metal surface. Aluminum powder has many diffuse reflection components and few specular reflection components. Therefore, the method according to claim 4 is invented as a transparent and glossy surface decoration method utilizing the brightness of the cut surface of the material.

The decoration method of claim 4 also makes use of the characteristics of the color clear paint. As shown in FIG. 3, when light is incident on a member processed according to the specifications of this claim, a part of the light is specularly reflected and diffusely reflected by the tinkle metallic coating. This diffuse reflected light is absorbed by the upper color clear coating film coated on the tinkle metallic coating, and the specular reflection light of the aluminum powder in the tinkle metallic coating transmits the upper color clear coating and has a glossy feeling. It becomes like this. Other incident light reaches the surface of the aluminum-based metal member. Since the surface of the aluminum-based metal member is a general cutting process, the surface is not smooth and diffuse reflection light increases. This diffuse reflected light has a long transmission distance in each coating film, and is absorbed by the base color clear coating film and further absorbed by the tinkle metallic coating film and the upper color clear coating film. On the other hand, the specularly reflected light of the aluminum-based metal member is attenuated by transmitting through the base color clear coating film, tinkle metallic coating film, and upper color clear coating film, but since the transmission distance is short, the ratio of transmitting through each coating film is large. . As a whole, the ratio of [(specular reflection light) / (diffuse reflection light)] is increased to give gloss. In this way, the color clear paint is not only expressed by changing the color of the surface of the base, but also pays attention to the function of absorbing diffusely reflected light. In claim 4, it is also free to apply a clear paint on the upper color clear coating film. Further, an ultraviolet absorber can be added to the color clear paint or clear paint.

The invention of claim 5 is an aluminum-base metal wheel, engine camshaft cover, crankcase, drum brake panel, hub, and other aluminum base metal automobile and motorcycle parts processed by the surface decoration method of claim 4. . The members to which the invention of claim 4 is applied are listed.

The invention of claim 6 is characterized in that after the aluminum base metal member is pre-painted, the base metallic coating is applied, the base color clear is applied, the tinkle metallic coating is applied, and then the upper color clear coating is applied. The surface decoration method for producing a calm and glossy metallic feeling according to claim 1.

In the invention of claim 6, the surface state of the aluminum-based metal is not limited, and it may be cast or roughed. Metallic paints are made by adding pigments with low hiding power and high coloring power to alkyd resin paints and acrylic resin paints, and non-leafing aluminum powders or bronze powders. Examples of the components are shown in Table 5. . The aluminum-based metal and the coating pretreatment are as described above.

Primer coating or powder coating may be performed after pre-coating treatment and before base metallic coating. This is for improving adhesion and the like.

In the invention of claim 6, the cut surface is replaced with a lower metallic coating film. As shown in FIG. 4, this claim also exhibits the function of the color clear paint. Part of the incident light reaches the lower metallic coating. The lower metallic coating film has a higher diffuse reflection ratio than a smooth metal surface. The diffuse reflected light of the lower metallic coating film is absorbed by the base color clear coating film, the tinkle metallic coating film, and the upper color clear coating film as described above. Therefore, the ratio of [(specular reflection light) / (diffuse reflection light)] is increased, and a calm and glossy metallic feeling is generated. That is, specular reflection light is generated by the lower metallic coating instead of the aluminum base metal base, and the mechanism is the same as that of the fourth aspect. It can also be painted clear on the upper color clear coating. An ultraviolet absorber can be added to the color clear paint or clear paint.

The invention of claim 7 shows the application range of claim 6. That is, aluminum base metal wheels, engine camshaft covers, crankcases, drum brake panels, hubs and other aluminum base metal automobiles and motorcycle parts processed by the surface decoration method of claim 6.

In the invention of claim 8, after pre-coating the metal material and the plastic material excluding the aluminum base metal, the base metallic coating is applied, the base color clear coating is applied, the tinkle metallic coating is applied, and then the upper color clear coating is applied. 2. The surface decoration method according to claim 1, wherein the surface decoration method produces a calm and glossy metallic feeling.

A surface decoration method having a calm and glossy metallic feeling using a color clear paint is applied not only to an aluminum-based metal but also to other materials. This is because parts that require such a “smooth and shiny metallic appearance” are required in many fields.

The cutting surface is replaced with a lower metallic coating film to produce a metallic feeling as in the sixth aspect. The reason for using the color clear paint is as described above. Pre-painting of plastic not only removes and degreases dust on the surface, but also includes an etching process to improve the adhesion between the plastic and the coating, unlike the case of metal, and no chromate treatment is performed. . It is also possible to paint clear on the upper color clear coating. The addition of the ultraviolet absorber is the same as described above.

The invention of claim 9 includes an automobile body, a grill, a door mirror, a spoiler, a bumper, a wheel, a wheel cap and other automobile parts processed by the surface decoration method of claim 8, and a fuel tank, a handle, a front fork, a wheel, a frame, Rear swing arm, brake panel, engine camshaft cover, crankcase, front cowl, rear cowl and other motorcycle parts. This is a range that can be applied in the field of automobiles and motorcycles.

The invention of claim 10 is a refrigerator, a washing machine, a microwave oven and other home appliances processed by the surface decoration method of claim 8 and parts thereof, as well as a personal computer, communication equipment, music playback equipment, musical instrument, transport equipment and these parts. It is.
This is because the surface decoration method can be widely applied not only to automobiles and motorcycles but also to home appliances.

Tables 1 to 5 show examples of component tables and blending ratios of clear paint, color clear paint and metallic paint. However, the heating fraction as a component in each table is about 50%.





The method of using the color clear paint in the present invention has found a new use of the color clear paint, and a surface decoration method that has not been obtained until a time-consuming process such as barrel polishing and buff polishing has been performed. It can be made more easily. Both the specular reflection light and the diffuse reflection light are absorbed by the coating film and become dark as a whole. However, the degree of absorption is different, and the coloring component of the color clear paint absorbs diffuse reflection light more as described above, so the ratio of [(specular reflection light) / (diffuse reflection light)] is increased and glossiness is improved. It is something to be made.

Embodiments implemented for the above invention will be described below.

An aluminum cast wheel was cut with a radius of curvature of the blade edge of 2.0 mm and a blade feed dimension of 0.12 mm / rotation, and then subjected to chromic acid treatment as a pretreatment for coating. Next, the color clear coating film was baked at 150 ° C. for 20 minutes to a film thickness of 10 to 20 μm, and the acrylic clear coating film was further baked at 150 ° C. for 20 minutes to a film thickness of 20 to 30 μm. As a result, a surface having a glossy metallic feeling without roughness was obtained as in the case where the aluminum base metal was mirror-polished and clear-coated. In addition, the present specification of this wheel is made to have a film thickness of 100 to 150 μm by cutting and then acrylic clear powder coating.

An aluminum cast wheel was cut with a blade edge of 2.0 mm and a blade feed dimension of 0.2 mm / rotation. The blade feed rate is faster than that of the first embodiment, and the surface roughness is lowered accordingly. After chromic acid treatment, powder coating 160 ° C. × 20 minutes, film thickness 80-120 μm, base color clear coating 150 ° C. × 20 minutes, film thickness 30-60 μm, tinkle metallic coating 150 ° C. × 20 minutes, film thickness 5-20 μm, Upper color clear coating 150 ° C. × 20 minutes, film thickness 5-20 μm, clear coating 150 ° C. × 20 minutes, film thickness 20-30 μm. The result was a slightly darker metallic mirror. It is transparent and has a shiny and glossy appearance and good reflection, giving it a metallic feel like a mirror. The material was mirror polished and painted on it.

An aluminum cast wheel was cut with a blade edge of 2.0 mm and a blade feed dimension of 0.2 mm / rotation. After chromic acid treatment, powder coating 160 ° C. × 20 minutes, film thickness 80-120 μm, base metallic coating 150 ° C. × 20 minutes, film thickness 10-30 μm, and the same process from base color clear coating to clear coating in Example 2 Painted on. As a result, a slightly dark glass mirror surface was produced. Reflection was good and a metallic surface like a glass surface was completed.

Due to diversifying needs, many surface decoration methods are required. The present invention is a coating method that has found a new application of a color clear paint, and it is possible to omit steps such as mirror polishing. Many demands are expected in the future.

Effects of light on objects Coating specifications of claim 2 Coating specification of claim 4 The coating specification of claim 6 The paint specification of claim 8

Explanation of symbols

1: Incident light 2: Specular reflection light 3: Diffuse reflection light 4 Internal reflection light 5: Internal specular reflection light
6: Internal diffuse reflected light 7: Passing positive light 8: Aluminum-based metal member 9: Cutting surface
10: Color clear coating film 11: Clear coating film 12: Base color clear coating film
13: Upper color clear coating film 14: Tinkle metallic coating film 15: Metallic coating film 16: Powder coating film

Claims (10)

  1. A surface decoration method that uses a color clear paint to create a calm and glossy metallic feel.
  2. 2. The surface decoration method for producing a calm and glossy metallic feeling according to claim 1, wherein an aluminum-based metal member cut under the following cutting conditions is pre-painted and then painted with a color clear paint.
    The blade feed dimension means one rotation (/ rotation) in lathe processing and one step (/ step) in linear processing. The shape of the cutting edge is arcuate, and R represents the radius of curvature at the location where the workpiece is machined.
  3. An aluminum base metal wheel, engine camshaft cover, crankcase, drum brake panel, hub and other aluminum base metal automobile and motorcycle parts processed by the surface decoration method of claim 2.
  4. 2. The calm of claim 1, wherein the machined aluminum base metal member is pre-painted, painted with a base color clear paint, painted with tinkle metallic, and then painted with an upper color clear paint. A surface decoration method that produces a glossy metallic feel.
  5. Aluminum base metal wheels, engine camshaft covers, crankcases, drum brake panels, hubs and other aluminum base metal automobile and motorcycle parts processed by the surface decoration method according to claim 4.
  6. 2. The calmness of claim 1, wherein the aluminum base metal member is pre-painted, is coated with a base metallic paint, painted with a base color clear, painted with a tinkle metallic paint, and then painted with an upper color clear paint. A surface decoration method that produces a shiny and metallic feel.
  7. An aluminum base metal wheel, engine camshaft cover, crankcase, drum brake panel, hub, and other aluminum base metal automobile and motorcycle parts processed by the surface decoration method according to claim 6.
  8. It is characterized by pre-painting metal materials and plastic materials excluding aluminum-based metals, then applying the base metallic paint, painting with the base color clear paint, painting with tinkle metallic paint, and then painting with the upper color clear paint. The surface decoration method for producing a calm and glossy metallic feeling according to claim 1.
  9. An automobile body, a grill, a door mirror, a spoiler, a bumper, a wheel, a wheel cap and other automobile parts processed by the surface decoration method according to claim 8 and a fuel tank, a handle, a front fork, a wheel, a frame, a rear swing arm, a brake panel, Engine camshaft cover, crankcase, front cowl, rear cowl and other motorcycle parts.
  10. A refrigerator, a washing machine, a microwave oven, other household appliances processed by the surface decoration method according to claim 8 and parts thereof, a personal computer, a communication device, a music playback device, a musical instrument, a transport device, and these components.
JP2006027814A 2006-02-06 2006-02-06 Method for surface decoration having bright metallic feeling by color clear coating material Pending JP2007203260A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009140147A1 (en) * 2008-05-12 2009-11-19 Gm Global Technology Operations, Inc. Corrosion isolation of magnesium components
JP4523068B1 (en) * 2009-06-24 2010-08-11 有限会社村松研磨工業 3-piece aluminum wheel disc for motorcycles
US8919916B2 (en) 2012-04-02 2014-12-30 Seiko Epson Corporation Printing system, printing method and printing medium
JP2015000584A (en) * 2013-06-13 2015-01-05 株式会社レイズエンジニアリング Vehicle wheel
JP2016109463A (en) * 2014-12-02 2016-06-20 リコーエレメックス株式会社 Inspection system and inspection method
JP2018052492A (en) * 2017-11-15 2018-04-05 日立金属株式会社 Vehicular wheel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002233901A (en) * 2000-11-29 2002-08-20 Hayes Lemmerz Internatl Inc Method for forming decorative surface on outside surface of wheel disk and cutting tool for smoothing
JP2002233815A (en) * 2001-02-07 2002-08-20 Nippon Paint Co Ltd Method of forming photoluminescent coating film and coated material
JP2005305424A (en) * 2004-03-25 2005-11-04 Kansai Paint Co Ltd Method of forming multilayer coating film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002233901A (en) * 2000-11-29 2002-08-20 Hayes Lemmerz Internatl Inc Method for forming decorative surface on outside surface of wheel disk and cutting tool for smoothing
JP2002233815A (en) * 2001-02-07 2002-08-20 Nippon Paint Co Ltd Method of forming photoluminescent coating film and coated material
JP2005305424A (en) * 2004-03-25 2005-11-04 Kansai Paint Co Ltd Method of forming multilayer coating film

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009140147A1 (en) * 2008-05-12 2009-11-19 Gm Global Technology Operations, Inc. Corrosion isolation of magnesium components
JP4523068B1 (en) * 2009-06-24 2010-08-11 有限会社村松研磨工業 3-piece aluminum wheel disc for motorcycles
JP2011005917A (en) * 2009-06-24 2011-01-13 Muramatsu Kenma Kogyo:Kk Disc of three-piece type aluminum wheel for two wheeler
US8919916B2 (en) 2012-04-02 2014-12-30 Seiko Epson Corporation Printing system, printing method and printing medium
JP2015000584A (en) * 2013-06-13 2015-01-05 株式会社レイズエンジニアリング Vehicle wheel
JP2016109463A (en) * 2014-12-02 2016-06-20 リコーエレメックス株式会社 Inspection system and inspection method
JP2018052492A (en) * 2017-11-15 2018-04-05 日立金属株式会社 Vehicular wheel

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