JPH10286518A - Method for coating metallic tone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To sufficiently cope with load and impact by forming a metallic coat on the surface of a core body with a resin coating containing metallic powder and forming plural layers of a protecting coat of transparent resin coating on the metallic coat. SOLUTION: A silver metallic coating is sprayed onto the entire face of a core body 10. The silver metallic coating is a two-pack type coating, containing microalumina powder, which is composed of a principal liquid and a curing agent. This coat dilued properly with a urethane thinner is sprayed for coating. To form a first protecting coat 22 on the sliver metallic coat 21, a transparent urethane resin coating diluted properly with a thinner is sprayed for coating. Further, to form a second protecting coat 23 on the first protecting coat 22, a transparent polyester resin coating diluted properly with the thinner is sprayed for coating. The entire surface of the second protecting coat 23 is smoothly polished and a transparent ultraviolet curable acrylic resin coating is sprayed onto the smooth face of the second protecting coat 23 to form a top coat 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metallic coating method, and more particularly to a coating method for finishing, for example, an outer surface of a snowboard into a metallic painted surface.

[0002]

2. Description of the Related Art Conventionally, for example, when the outer surface of a snowboard is finished with a silver metallic color, a metallic coating cannot be obtained. It is painted in. In addition, snow
The core body serving as the board was patterned by screen printing, but in this case also, a metallic tone could not be obtained.

[0003]

SUMMARY OF THE INVENTION
A user of the board has desired a snowboard finished in a metallic tone such as silver metallic. Therefore,
As a result of research, the present invention has been found to be able to paint in a good metallic tone, and to know that this coating film has durability against loads or impacts, thereby achieving the present invention.

[0004] That is, an object of the present invention is to provide a metallic coating method capable of forming a beautiful metallic coating on a core body to which a load or impact such as a snowboard is applied.

[0005]

In order to solve the above-mentioned problems, an invention according to claim 1 is a method of coating a core body to which a load or impact is applied in a metallic tone, wherein a surface of the core body is coated. A metallic coating is formed by a resin coating containing metal powder, and a plurality of protective coatings of a transparent resin coating are formed on the metallic coating.

According to the first aspect of the present invention, the coating film of the paint subbed on the core exhibits a metallic color tone by containing the metal powder. The undercoat is covered with a plurality of transparent protective coatings. The protective coating has resistance to load or impact.

According to a second aspect of the present invention, to solve the above-mentioned problem, in the first aspect of the present invention, the outer surface of the protective coating is polished to a smooth surface, and then a transparent resin paint is overcoated. Features.

According to the second aspect of the present invention, the protective coating film is smoothed by polishing and then a transparent resin coating film is formed, so that the surface of the core body has a smooth and glossy metallic color tone. Becomes

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS. 1 to 7 in the case of a snowboard. The front view of FIG. 2 and the back view of FIG.
2 shows the shape and structure of the core body 10 of FIG. As shown in FIGS. 2 and 3, the core body 10 is formed of a slender plate-like body having both ends in the longitudinal direction arcuate, and as shown in FIG. Warpage 10A is provided. Core 1
As shown in FIG. 2 and FIG. 3, metal edges 15 are attached to both sides of the back surface. In addition, the edge 15 is screwed with a screw 16 on the mounting piece 15A.

The core 10 has a multilayer structure. That is, as shown in FIG.
A glass fiber layer 12 is bonded to both sides of the glass fiber layer 12 (or a polyurethane layer). One glass fiber layer 12 has a polyethylene layer 13 and the other glass fiber layer 12 has an AB layer.
It has a structure in which the S resin layers 14 (or phenol resin layers) are respectively joined. In addition, the attachment piece 15 of the edge 15
A is fixed with a screw 16 in a cutout portion on the long side of the polyethylene layer 13 serving as the lower surface with the edge 15 protruding.

Next, the core 10 having the above-described structure is coated with a silver metallic color tone. First, core 1
As a base treatment of 0, the entire surface is wiped off with a thinner. Next, silver metallic paint is sprayed on the entire surface of the core body 10. As shown in Table 1, the Silva metallic paint is a two-pack paint containing alumina fine powder consisting of the present solution and a curing agent, and is sprayed after being appropriately diluted with urethane thinner (solvent). The paint is applied and dried overnight at 20 ° C. to form a silver metallic coating film 21.

[0012]

[Table 1]

Next, in order to form a first protective coating film 22 on the silver metallic coating film 21, a transparent polyurethane resin coating material shown in the column of Table 1 was sprayed in a state diluted appropriately with a thinner. Painted. After the coating, the coating was dried at 20 ° C. for about 4 hours to obtain a transparent first protective coating film 22.

Thereafter, in order to form the second protective coating 23 on the first protective coating 22, the transparent polyester resin coating shown in the column of Table 1 is sprayed in a state diluted appropriately with a thinner. Painted. After the coating, the coating was dried at 20 ° C. for about 10 minutes to obtain a transparent second protective coating film 23.

Thus, the entire surface of the second protective coating film 23 of the core body 10 is polished with, for example, a sandpaper of fine abrasive grains of 400 to 600 to smooth the surface. Then, a transparent ultraviolet-curable acrylic resin paint was sprayed on the smooth surface, and the coating was completed by irradiating ultraviolet rays at 20 ° C. for about several seconds with an ultraviolet irradiator. By painting of each process mentioned above,
The core body 10 has a coating layer 20 having a good silver metallic color tone.
Is formed on the snowboard 1. In addition, the attachment piece 15A of the edge 15 attached to the long side of the polyethylene layer 13 is attached to the coating layer 20, and the side surface of the core body 10 is covered with the coating layer 20, so that only the corners of the edge 15 are covered. It is exposed.

The snowboard 1 is composed of a silver protective coating 22 and a second protective coating 22,
Due to being covered with the transparent layers of the protective coating film 23 and the top coating film 24, the snowboard 1 has durability against load and impact when the snowboard 1 is used, and peels off silver metallic color. Will not fall. The polyethylene layer 13 serving as the lower surface is
It is convenient because it slides well against the snow surface and is hardly damaged. The snowboard 1 has a silver metallic coating 21.
Is viewed from the outside through the transparent layer, so that a product having a beautiful appearance with a silver metallic color tone can be obtained.

When the snowboard 1 was left at a low temperature of -30.degree. C. for 20 hours to examine the state of the coating layer 20, no abnormal appearance such as scratches or cracks was observed.

In the above-described embodiment, as shown in FIG.
The second protective coating film 23 was applied, and the surface of the second protective coating film 23 was polished to form an overcoating film 24. However, only the load resistance or impact resistance of the silver metallic coating film 23 was mainly used. In this case, as shown in FIG. 7, the coating layer 30 can be obtained by omitting the surface polishing of the second protective coating film 23 and the overcoating film 24.

Although the above-mentioned snowboard 1 has a silver metallic color tone, the metallic color tone may be a metallic tone containing other metal powder if necessary. 1st, 2nd
Can be another transparent resin coating film having load resistance and impact resistance.

Although the core 10 in the above-described embodiment has a plurality of structures as shown in FIG. 5, the structure of the core is not limited to this. Can be.

The coating method of the present invention is not limited to the snowboard 1, but can be widely applied to a core body to which a load or impact is applied, such as a ski plate or a surfboard. The core may be an organic material such as a wood plywood, a laminate of a synthetic resin, or a laminate of a wood and a synthetic resin, or may include a glass fiber or a carbon fiber and have a painted surface made of an organic material such as a wood or synthetic resin layer. It may be a material composite.

[0022]

According to the first aspect of the present invention, a metallic coating can be applied to the core body. In this coating, since a plurality of transparent protective coatings are formed on the metallic coating, it is possible to sufficiently cope with load resistance and impact resistance. For this reason,
This coating method is applied to snow
It is suitable for coating cores such as boards and surf boards.

According to the second aspect of the present invention, it is possible to paint the core body with a smooth and glossy metallic color tone.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of a main part showing a metallic-painted structure.

FIG. 2 is a front view of a snowboard core body.

FIG. 3 is a rear view of the core of the snowboard.

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;

FIG. 5 is an enlarged sectional view taken along line VV of FIG. 2;

FIG. 6 is an enlarged cross-sectional view of a main part of a snowboard having an outer peripheral surface of a core body painted;

FIG. 7 is an enlarged cross-sectional view of a main part showing another structure of the painted surface in metallic tone.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Snowboard 10 Core body 20 and 30 Coating layer 21 Silver metallic coating 22 First protective coating 23 Second protective coating

Claims (2)

[Claims] 1. A method for applying a metallic body to a core to which a load or impact is applied, wherein a metallic coating film made of a resin paint containing a metal powder is formed on a surface of the core body. A metallic coating method characterized by forming a plurality of protective coatings of a transparent resin paint on the surface. 2. The metallic coating method according to claim 1, wherein after the outer surface of the protective coating film is polished to a smooth surface, a transparent resin paint is overcoated.