JP3203940B2 - Decorative composite plate having curved edges and method for producing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative composite plate having a curved edge used as a partition plate of a shelf and a method of manufacturing the same.
More particularly, the present invention relates to a decorative composite plate having a wood grain pattern formed on both front and back surfaces and a curved surface portion at an edge, and a method of manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, as a decorative composite plate used as a partition plate of a shelf, etc., as shown in FIG.
And an edge member 103 made of synthetic resin is fitted into a concave groove 102 formed in the center of the end face of the core member 100 by fitting an engaging ridge 104 formed on the back side thereof. Have been.

However, in the case of the structure using the edge member 103 described above, it is impossible to form a grain or the like on the surface of the edge member 103 because of the extrusion molding, and the edge member 103 and the decorative plywood are not used. The boundary between the decorative layer 101 and the edge of the decorative layer 105 clearly appears, and the decorative layer 10
No. 5 was peeled off from the edge, and there was no harm in the appearance, and it was not possible to give a sense of quality.

As another decorative board having another structure, as shown in FIG. 7, an edge of a low-quality solid material 106 is processed by a router to form a curved surface portion 107, and the curved surface portion 7 and the front and back flat surfaces are formed. In the transfer area TA divided into three portions 108 and 108, the curved transfer layer 109 and the flat transfer layer 1
Although there is a case in which 10,110 are formed by transfer printing and the surface thereof is coated with urethane, the transfer step has to be repeated three times, and the number of processing steps is large and the cost is high.

[0005] In addition, high-grade solid wood with beautiful grain is expensive and has limited forest resources. In particular, it is hard to obtain in recent years, especially when natural destruction due to overforested forests has become a problem.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention is intended to solve a problem in which a solid plywood or a veneer is bonded to both sides of a core material without using a solid board. The present invention provides a decorative composite board having a curved edge on which a beautiful makeup such as a wood grain pattern is applied to the curved surface portion of the edge as well as both the front and back surfaces, and can be manufactured at low cost with a small number of processing steps It is to provide a manufacturing method.

[0007]

According to the present invention, in order to solve the above-mentioned problems, a decorative surface is formed by bonding a decorative plywood or a decorative plate or a veneer on both sides of a core material, and at least the decorative surface including the decorative surface is provided. On the curved surface part formed by router processing one edge,
A decorative composite plate having a curved edge was formed by forming a transfer layer having a color or pattern similar to the decorative surface by transfer printing.

Here, it is preferable that the transfer layer is formed so as to cover the cut edge of the decorative surface, and a transparent or translucent protective film layer is further formed on the transfer layer and the decorative surface. It is a preferred embodiment to form them.

[0009] It is preferable that a flash-processed core material is used as the core material.

[0010] Further, a board manufacturing process in which decorative plywood is adhered to the front and back sides of a core material subjected to flash processing, and at least one edge of a substrate including a decorative surface of the decorative plywood is processed by a router to form a curved surface portion. Part processing step, a transfer printing step of forming a transfer layer having a color or pattern similar to the decorative surface so as to cover the cut edge of the curved surface portion and the decorative surface, and on the transfer layer and the decorative surface A method for producing a decorative composite board having a curved edge, comprising a surface treatment step of forming a protective film layer by applying a transparent or translucent paint or clear.

[0011]

The decorative composite board having a curved edge according to the present invention having the above-mentioned contents has a decorative surface formed by bonding a decorative plywood, a decorative board or a veneer on both sides of the core material. A transfer having a color or pattern similar to the decorative surface by transfer printing on a curved portion formed by router processing at least one edge including the decorative surface on the surface without using a material, and at least one edge including the decorative surface is subjected to router processing. Since the layer was formed,
Appearance is harmonious, and it can be made warm with a softer shape.If used as a partition for furniture such as shelves, it will be a softer overall furniture. Is possible.

When the transfer layer is formed so as to cover the cut edge of the decorative surface, the color or pattern of the transfer layer and the decorative surface is continuous, and the decorative surface is not likely to be peeled off from the cut edge. . Further, when a transparent or translucent protective film layer is formed on the transfer layer and the decorative surface, the durability is improved and the transfer layer is not likely to be peeled off from the edge.

When a flash-processed core material is used as the core material, the weight can be reduced, and the core material can be constituted by using a medium fiber board (MDF) or a particle board, so that the cost can be reduced.

In the manufacturing method, a substrate manufacturing step of bonding a decorative plywood on both sides of a flash-processed core material, which is a step of manufacturing a normal decorative composite board, can be used as it is. At least one edge of the substrate including the decorative surface of the decorative plywood is formed into a desired edge shape by an edge processing step of forming a curved surface by router processing, and then a cutting edge of the curved surface and the decorative surface is formed by a transfer printing process. When a transfer layer having a color or a pattern similar to the decorative surface is formed so as to cover the portion, the number of steps is reduced because the time-consuming transfer printing process is required only once, and finally, a normal decorative composite board is manufactured. In the same manner as the final step in the case, a surface treatment step of forming a protective film layer by applying a transparent or translucent paint or clear on the transfer layer and the decorative surface is performed.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention; FIG. 1 shows a typical embodiment of a decorative composite board having a curved edge and a method of manufacturing the same according to the present invention. FIG. 1 (a) shows a substrate manufacturing process and an end processing step, and FIG. FIG. 1 (c) shows a surface treatment step.

In order to manufacture the decorative composite board A having a curved edge according to the present invention, first, as in the case of manufacturing a normal decorative composite board, the decorative plywood 2 and 2 are provided on both the front and back sides of the flash-processed core material 1. Is manufactured (substrate manufacturing process). Here, as the core material 1, a medium fiber board (MDF), a particle board or a plywood frame formed can be used, but it is preferable to use a medium fiber board in view of the denseness of the processed surface. The substrate A1 manufactured in this manner is extremely lightweight because the inside is hollow. Further, the decorative plywood 2 of the present embodiment is obtained by bonding a printing paper 4 on which a color or a pattern is printed on the surface of a thin plate 3 made of plywood, and is called a so-called printed plywood or a printed paper-bonded plywood. Has a decorative surface 5 formed thereon. Further, as other examples of the decorative plywood 2, natural wooden decorative plywood, polyester plywood, or the like can be used. Further, in place of the decorative plywood 2, it is also possible to use a decorative plate made of a synthetic resin such as a melamine resin.

Next, at the desired edge of the substrate A1,
At least one edge of the substrate A1 including the decorative surface 5 of the decorative plywood 2 is router-processed to form a curved surface portion 6 (end processing step). Here, in the illustrated example, a semicircular curved surface portion 6 is formed in the cross section of the substrate A1. Even if the curved surface portion 6 is formed at a linear edge in plan view, it is formed at a curved edge. May be.

Then, a transfer layer 7 having a color or pattern similar to the decorative surface 5 is formed so as to cover the curved surface portion 6 and the cut edge of the decorative surface 5 (transfer printing step). In FIG. 1B, the area of the decorative surface 5 is indicated by a decorative area PA, the area of the transfer layer 7 is indicated by a transfer area TA, and both areas overlap with each other at the cutting edge of the decorative surface 5. . This transfer method can adopt a conventionally known method. For example, a transfer sheet having a transfer layer printed on the surface of a release sheet is applied to the curved surface portion 6 by a roller or the like in a state where an adhesive is applied to the surface of the transfer layer. This is a method in which the transfer layer is adhered by pressing, and then the release sheet is peeled off.

Then, a transparent or translucent paint or clear is applied on the transfer layer 7 and the decorative surface 5 to form a protective film layer 8 (surface treatment step). Here, the protective film layer 8
May be formed on the entire surface of the transfer layer 7 and the decorative surface 5. However, when a protective film is previously formed on the decorative surface 5 as the decorative plywood 2, the transfer layer 7 and the transfer layer 7 Alternatively, it may be formed at the edge of the decorative surface 5 in contact with. The protective film layer 8 is formed by applying a paint such as a urethane resin or a melamine resin, or a clear material, and then drying. This protective film layer 8
Is formed, the step between the end of the transfer layer 7 and the decorative surface 5 is filled or the step is smoothly continuous. FIG. 1 (c) shows a decorative composite plate A having a curved edge manufactured in this manner.

As another embodiment of the decorative composite board A having a curved edge according to the present invention, the one shown in FIG. 2 uses a medium fiber board or a single board 9 of a particle board as the core material 1, and the front and back sides thereof are used. To form a substrate A1 by bonding the protruding plates 10, 10 to
The transfer layer 7 is formed by transfer printing on a curved surface 6 formed by processing the edge of the substrate A1 by a router process, and the surface thereof is covered with a protective film layer 8.

In the decorative composite plate A shown in FIG. 1 described above, all edges are constituted by curved surfaces 6, but as shown in FIGS. 3 to 5, a part of the edges is curved. If the portion 6 is formed, it belongs to the category of the present invention, and the other portion may be the straight portion 11. Specifically, FIG. 3 shows a case where a right-angled linear portion 11 is formed at the edge of the substrate A1, and the straight portion 11 and both the front and back surfaces of the substrate A1 are continuous with curved surface portions 6, 6. . FIG. 4 shows a configuration in which an inclined linear portion 11 is formed at the edge of the substrate A1, and the linear portion 11 and both front and back surfaces of the substrate A1 are continuous with curved surface portions 6, 6. FIG. 5 shows triangular straight portions 11, 11 formed at the edge of the substrate A1, and the straight portions 11, 11 are connected to each other and the straight portion 11 and both the front and back surfaces are connected by curved portions 6,. is there.

[0022]

According to the decorative composite board having a curved edge of the present invention as described above, the following effects can be obtained.

According to the first aspect, a decorative surface is formed by bonding a decorative plywood, a decorative plate, or a veneer on both sides of the core material, and at least one edge including the decorative surface is processed by a router to form a curved surface portion. Since a transfer layer having a color or pattern similar to the decorative surface was formed by transfer printing,
The entire surface, including the curved surface, is decorated with wood grain, etc., so that the appearance can be harmonized, and the shape can be reduced to make it warm and used as a partition for furniture such as shelves. If so, it is possible to make the furniture softer overall. Further, since the core material does not need to use a solid material, it can be provided at a low cost.

According to the second aspect, the color or pattern of the transfer layer and the decorative surface is continuous, and the decorative surface is not likely to be peeled off from the cut edge.

According to the third aspect, the durability is improved and the transfer layer is not likely to be peeled off from the edge.

According to the fourth aspect, the weight can be reduced, and the core material can be constituted by using a medium fiber board (MDF) or a particle board, so that the cost can be reduced.

According to the manufacturing method of the fifth aspect, the decorative composite plate having the entire surface including the curved surface portion formed on the edge portion is provided.
Utilizing board manufacturing technology to bond ordinary decorative plywood on both sides of the core material and transfer printing technology to curved surfaces, the number of processing steps is small, it can be manufactured at low cost, and this decorative composite plate is lightweight. In addition, it can have an appearance comparable to that of solid wood.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which a decorative composite board is manufactured by a manufacturing method of the present invention, in which (a) shows a state in which an edge of a substrate is curved, and (b) shows a curved surface of the edge. The part shows the state where the transfer layer was formed by transfer printing, and (c) shows the state of the final product.

FIG. 2 is a sectional view showing another embodiment of the decorative composite board of the present invention.

FIG. 3 is a cross-sectional view showing a first modified example of the decorative composite board shown in FIG. 1 (c).

FIG. 4 is a sectional view showing a second modified example of the decorative composite board shown in FIG. 1 (c).

FIG. 5 is a sectional view showing a third modified example of the decorative composite board shown in FIG. 1 (c).

FIG. 6 is a sectional view showing a conventional example.

FIG. 7 is a sectional view showing another conventional example.

[Explanation of symbols]

 A decorative composite plate having curved edges A1 substrate 1 core material 2 decorative plywood 3 thin plate 4 printing paper 5 decorative surface 6 curved surface portion 7 transfer layer 8 protective film layer 9 single plate 10 veneer plate 11 linear portion

Claims (5)

(57) [Claims] 1. A decorative surface is formed by bonding a decorative plywood or a decorative plate or a veneer on both front and back sides of a core material, and at least one edge including the decorative surface is processed by a router to form a curved surface portion by transfer printing. A decorative composite plate having a curved edge, wherein a transfer layer having a color or pattern similar to the decorative surface is formed. 2. The decorative composite board having a curved edge according to claim 1, wherein the transfer layer is formed so as to cover the cut edge of the decorative surface. 3. The decorative composite board having a curved edge according to claim 1, wherein a transparent or translucent protective film layer is formed on the transfer layer and the decorative surface. 4. The decorative composite board having a curved edge according to claim 1, wherein the core material is a core material obtained by flash processing. 5. A substrate manufacturing process in which a decorative plywood is bonded to both sides of a flash-processed core, and at least one edge of a substrate including a decorative surface of the decorative plywood is processed by a router to form a curved surface portion. Part processing step, a transfer printing step of forming a transfer layer having a color or pattern similar to the decorative surface so as to cover the cut edge of the curved surface portion and the decorative surface, and on the transfer layer and the decorative surface A surface treatment step of forming a protective film layer by applying a transparent or translucent paint or clear, and a method of manufacturing a decorative composite board having a curved edge.