JPS607179Y2 - decorative board - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a decorative board having a three-dimensional embossed pattern on its surface for use in buildings.

Decorative laminates having three-dimensional patterned surfaces using a screen printing method have already been proposed.

In other words, the screen printing method has the advantage of being able to obtain a raised three-dimensional decorative surface by increasing the amount of printing ink transferred.

However, it is actually difficult to make the pattern itself rich in color tone, and the three-dimensional pattern that is printed becomes monotonous.

In order to compensate for these disadvantages of screen printing, after creating a three-dimensional pattern by screen printing, a pattern corresponding to the pattern can be printed using a normal printing method (gravure printing, offset printing, etc.) to create a surface with a change in shape. A method of manufacturing a decorative board is proposed.

Although the decorative board obtained by this method has overcome the monotony of the three-dimensional pattern, the following problems still remain.

■ After the three-dimensional pattern is formed, the pattern is formed using a normal printing method, so the three-dimensional pattern is crushed or worn away during printing, resulting in a poor three-dimensional effect.

■ The normal printing method itself requires smoothness on the surface of the printing material, but the height of the convex parts of the three-dimensional pattern by screen printing is uneven, and since printing is performed on top of that, the pattern itself looks mottled and the design This results in less effective results.

(2) After forming a three-dimensional pattern, it may be possible to polish the tops of the convex portions to make a smooth surface for printing, but if this is done, the three-dimensional pattern will become smaller due to polishing and the design effect will be low.

Furthermore, as in Utility Model Publication No. 56-54996, the convex pattern is formed by screen printing, and the mesh pattern left on the top surface of the convex portion is used as the concavo-convex pattern on the top surface of the convex portion 3a, creating an embossed pattern. A decorative board that expresses this has also been proposed.

However, such a mesh pattern on the upper surface of the convex portion of a decorative board cannot be said to have a high design quality when the decorative pattern is made to stand out, for reasons described below.

The object of the present invention is thus to obtain a decorative board that can express an elegant three-dimensional embossed pattern that could not be expressed conventionally.

The gist of the present invention is to provide a decorative board in which a decorative sheet 1 which has been optionally decorated in advance is laminated and adhered to the surface of a substrate 2, and a transparent convex pattern 3 is formed on the surface by screen printing. After forming the convex pattern 3 by screen printing on the top surface of the convex part 3a of the transparent convex pattern 3, a small concave and convex pattern 4 in a mesh pattern different from the remaining net pattern 6 is formed, and further a small concave and convex pattern is formed. Surface protective layer 5 on the entire surface without filling 4
A decorative board is provided with.

By adopting such a configuration, the present invention has a convex pattern 3.
When forming, the screen-printed mesh pattern 6 left behind is combined with the mesh pattern-like small unevenness pattern 4 formed later to provide a decorative board with a higher design quality than before. be.

The present invention will be explained below based on the embodiments shown in the accompanying drawings.

(2) Reference numeral 1 is a decorative sheet, in which a sheet-like material such as paper, cloth, resin sheet or metal foil is used as a base sheet, and a pattern is formed by arbitrary decoration, for example, by printing, or the sheet itself is colored.

(1) First, the decorative sheet 1 is laminated and adhered to the surface of the substrate 2.

Substrate 2 is plywood, fiberboard, cement board, gypsum board, metal board,
It is a plate-shaped body made of inorganic or organic material such as synthetic resin, or a mixture of inorganic and organic materials.

The surface of the substrate 2 is treated with markings, sealer, etc. as necessary.
Surface treatments such as sanding and undercoating are applied to create a smooth surface, conceal any irregularities in the material color, and adjust the color to a uniform tone.

After applying vinyl acetate resin adhesive or epoxy resin adhesive to the surface of the substrate 2 or the back surface of the decorative sheet 1 using a coating device such as a roll coater or flow coater, the decorative sheet is applied to the surface of the substrate 2 using a laminator device. 1 is laminated and pasted.

Alternatively, the decorative sheet 1 may be impregnated with a thermosetting resin such as a melamine resin or a phenol resin, and then bonded under heat using a hot press.

(2) A transparent convex pattern 3 is formed on the surface of the decorative sheet 1 by screen printing using a transparent paint.

3a is the convex portion. At this time, since the convex pattern 3 is formed by screen printing, the mesh pattern 6 of the screen remains on the upper surface of the convex part 3a.

(2) Next, on the upper surface of the convex portions 3a of the transparent convex pattern 3, a small concavo-convex pattern 4 in the form of a net pattern is formed in addition to the mesh pattern 6.

The small concavo-convex pattern 4 may be formed by pressing the transparent convex pattern 3 after drying or in an undried state using a mesh pattern embossing plate, a net, etc., and the method is not limited in any way.

The transparent convex pattern 3 may be formed in synchronization with the pattern formed on the decorative sheet 1, or may be formed without synchronization.

Due to the transparent convex pattern 3, the underlying pattern 1a can be seen through the transparent coating, and due to the phenomenon of light refraction, the pattern in that part stands out compared to other parts la' and appears profound. ,
Moreover, the color tone itself is expressed palely, and the small uneven pattern 4 formed on the surface has a crystal-like surface luster.

Therefore, three-dimensional patterns that have not been seen in the past are expressed like stained glass, improving the design effect.

Further, as shown in FIG. 3, the pattern 1a stands out with different luster in the mesh pattern 6 and the portions d and l of the small uneven pattern 4, giving an elegant design feeling.

The resin and viscosity of the paint for forming the transparent convex pattern 3 may be determined by taking into consideration the printing method, the thickness and height of the coating film, etc.Also, the transparent paint can be optionally colored and used to create colored transparent convex patterns. It may be formed as a pattern to bring about a change in color tone.

■ After drying or in an undried state, the transparent convex pattern 3 with the small uneven pattern 4 is coated with transparent paint or translucent paint using a roll coater, flow coater, etc. without filling the small uneven pattern 4 over the entire surface. After the top coat is applied by the device, it is dried to provide a transparent or translucent surface protective layer 5.

Effects of the present invention: ■ The decorative surface 1a of the decorative sheet 1 located below the transparent convex pattern 3 stands out compared to the other portions 1a', and its color tone is lighter. Because of this, it has a high level of design.

■ Separately from the mesh pattern 6 left on the surface of the projections 3a of the projection pattern 3 by screen printing, the mesh-like small unevenness pattern 4 was formed on the upper surface of the projections 3a of the projection pattern 3. The pale and prominent decorative surface 1a is expressed as having a crystal-like surface luster, giving the entire decorative surface a stained glass-like feel and imparting a high design effect.

In particular, since the mesh pattern 6 and the small uneven pattern 4 coexist on the upper surface of the convex portion 3a, the light projected onto the decorative surface 1a and the decorative surface 1
The reflected light from a has a partially different refractive index,
The pattern is elegantly embossed.

For example, if a fine screen-printed mesh pattern 6 is combined with a large mesh-like small uneven pattern 4 as shown in FIG. 2, even if the same flower pattern is the same as shown in FIG. It becomes a different luster and stands out, allowing you to express the pattern elegantly.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of the decorative board according to the present invention, FIG. 2 is an explanatory diagram of the operation of the present invention, and FIG. 3 is an explanatory diagram of the state in which the pattern is embossed. 1... Decorative sheet, 2... Substrate, 3.
...Transparent convex pattern, 3a...Convex part, 4.
...Small uneven pattern, 5...Surface protective layer, 1
a...Convex pattern 3 Pattern pattern on the lower surface, 1a'...
...Pattern pattern other than the bottom surface of convex pattern 3.

Claims (1)

[Scope of Claim for Utility Model Registration] A decorative board in which a decorative sheet 1, which has been optionally decorated in advance, is laminated and adhered to the surface of a substrate 2, and a transparent convex pattern 3 formed by screen printing is formed on the surface of the decorative sheet 1. In this step, a small uneven pattern 4 in a mesh pattern is formed on the upper surface of the transparent projecting pattern 3 and the projecting part 3a, which is different from the mesh pattern 6 left when the projecting pattern 3 is formed by screen printing. A decorative board characterized in that a surface protective layer 5 is provided on the entire surface without filling the surface.