JPH09314518A - Panel and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form slender woods appropriate as furniture and fittings, additionally, as finishing carpentry materials for buildings by sticking surface woods on both sides of a heartwood which is formed by arranging slender woods in which the fiber direction of Aphanabthe asperd is made the longitudinal direction in parallel longitudinally in a free state. SOLUTION: A panel 1 is composed of a heart wood 2, middle boards on both sides of the heartwood 2, and a surface decorative wood 4 as a surface wood on the outside of the heartwood 2. The heart wood 2, without fixing a slender wood 5 in which parallel fiber directions are made the longitudinal direction, is constituted to keep flat plate constitution by binding the whole with a thread. On both sides of the heartwood 2, by an adhesive 9, the respective middle boards 3 which are formed from sliced veneer are arranged perpendicularly to the installation direction of the slender wood 5 to be fixed. Additionally, the respective surface decorative woods formed from sliced veneer are fixed by the adhesive 9 on the surfaces of the respective middle boards 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel for furniture and fittings, as well as a building material for houses.

[0002]

2. Description of the Related Art Recently, it has become difficult to assemble furniture and fittings using solid wood due to the exhaustion of raw wood. Usually, furniture and fittings are manufactured by using a so-called flash panel in which a surface material is fixed to a frame-shaped core material. Are configured.

However, since such a flash panel has a space inside, the sound at the time of contact is not heavy and the texture is poor.

As an alternative to the flash panel,
There is a panel with a board or a decorative paper on the surface of particle board or laminated wood, but when particle board is used, since wood chips are used by all means, moisture absorption, expansion and contraction due to drying, and warpage based on it The problem was so big that it had limited use. On the other hand, when the laminated wood is used, such a problem is small, but the following problems still remain in the manufacturing process.

[0005]

That is, since the laminated wood is formed by arranging a plurality of sawn timbers called lamina, and they are fixed to each other with an adhesive to form a panel, it takes a lot of time to apply the adhesive. At the same time, the weight of the adhesive is increased and the cost is increased. In addition, there is a problem in that the sawing material is warped due to the expansion and contraction of the sawing material.

The present invention has been made in view of the above points, solves the problems of the laminated wood, and is suitable for furniture, fittings, etc., and as a construction material for houses. The purpose is to provide.

[0007]

In order to achieve the above object, the present invention has the following arrangement.

That is, according to the first aspect of the present invention, the panel is formed by arranging a plurality of thin members made of Muku material and having their fiber directions as longitudinal directions in parallel with their longitudinal directions being in a mutually free state. The surface material was attached to both surfaces of the constructed core material.

According to the above construction, since the thin materials are not fixed to each other by the adhesive in the core material, the step of applying the adhesive is not required in the production of the core material, and the panel is inexpensive because the adhesive is not used. It is also lightweight.

Further, since the fine material is not integrally fixed to the core material by the adhesive, the warpage of the entire panel due to the expansion and contraction of the fine material over time is small.

According to the second aspect of the invention, the panel is formed by arranging a plurality of thin members made of Muku material and having their fiber directions in the longitudinal direction in parallel so that their longitudinal directions are in a mutually free state. The middle plate is attached to both sides of the heartwood,
A surface material was stuck on the middle plate.

According to the above construction, since the thin materials are not fixed to each other by the adhesive in the core material, the step of applying the adhesive is not required in manufacturing the core material, and the panel is inexpensive because the adhesive is not used. It is also lightweight.

Further, since the thin material is not integrally fixed to the core material by the adhesive, the warpage of the entire panel due to expansion and contraction of the thin material over time is small.

In addition, by covering the surface of the core material with the intermediate plate, it is possible to prevent unevenness or the like of the joint portion of each thin material from appearing on the surface of the surface material.

According to a third aspect of the present invention, in the panel according to the first or second aspect, the fine material is a low specific gravity material.

According to the above structure, the panel according to the first or second aspect of the present invention is further lightweight because the thin material constituting the core material is lightweight.

According to a fourth aspect of the present invention, there is provided a core material composed of a plurality of fine materials made of muku material and having their fiber directions in the longitudinal direction are arranged side by side in such a manner that the longitudinal directions thereof are in a mutually free state. A panel was manufactured by adhering an intermediate plate coated with an adhesive on both sides, and further adhering a surface decorative material on the intermediate plate.

According to the above construction, the panel according to the invention of claim 2 can be obtained in one pressing step.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of the panel, and FIG. 2 is an exploded view of the panel.

The panel 1 comprises a core material 2 and intermediate plates 3 on both sides thereof.
And a surface decorative material 4 as a surface material outside thereof.

As shown in FIG. 2, in the core material 2, the lamina 5, which is a plurality of juxtaposed thin materials, is not fixed to each other with an adhesive at the time of manufacturing, but the whole is bound by the thread 7 to form a flat plate structure. It is configured to be maintained. As Lamina 5, sumauma (specific gravity 0.26-0.41), balsa (specific gravity 0.1
0 to 0.17), Falcata (specific gravity 0.3 to 0.4), and further low specific gravity materials such as cedar (specific gravity 0.38) are used.

An intermediate plate 3 made of a laminated plate is fixed to both surfaces of the core material 2 by an adhesive agent 9. Further, a surface decorative material 4 made of a laminated plate is made by an adhesive agent 9 on each surface of the intermediate plate 3. Is stuck.

The backing plate of the intermediate plate 3 is made of sapphire or the like having a thickness of about 2 mm, and the backing plate of the surface decorative material 4 is made of oak or the like having a thickness of about 3 mm. As the surface decorative material 4, a decorative paper or the like may be used in addition to the above-mentioned board.

The intermediate plate 3 is arranged such that the fiber direction of the plate is orthogonal to the direction in which the lamina 5 of the core 2 is arranged.
The surface decorative material 4 is arranged such that the fiber direction of the laminated plate is orthogonal to the fiber direction of the laminated plate of the middle plate 3.

In the panel 1 having the above-mentioned structure, since the lamina 5 of the core material 2 is not fixed to each other by using an adhesive, no adhesive applying step is required in the manufacturing process, and the bonding is not performed. It is inexpensive and lightweight because no agent is used. In particular, the weight can be further reduced by adopting the lamina 5 having a small specific gravity as the lamina 5 constituting the core material 2 as described above.

Further, it has been experimentally confirmed that since the lamina 5 is not integrally fixed to the core material 2 by an adhesive, the warpage of the entire panel due to the expansion and contraction of the lamina 5 during the use over time is small. There is. This is presumed to be because even if each of the lamina 5 expands and contracts, the stress due to the expansion and contraction is dispersed because they are independent of each other.

Further, due to the presence of the intermediate plate 3, the unevenness or the like of the joint portion of each lamina 5 of the core material 2 does not appear on the surface decorative material 4. Since the core material 2 is joined to the lamina 5, a step may occur at the joint portion during manufacturing, and the step may increase over time due to the difference in the degree of expansion and contraction of each lamina 5. The lamina 5 has different expansion and contraction rates in the core material and the sapwood portion, and the expansion and contraction degrees differ from each other. Even when a step or the like occurs between the lamina 5 as described above, the intermediate plate 3 covers it, so that the unevenness based on it is not formed on the surface decorative material 4 and the surface design of the panel 1 becomes good. .

The panel 1 is manufactured by applying an adhesive 9 to the upper and lower surfaces of each of the intermediate plates 3 and integrally hot pressing with a pressing machine in the arrangement shown in FIG. . In this way, the panel 1 in which the core material 2, the intermediate plate 3, and the surface material are integrated can be easily obtained in one pressing step.

FIGS. 3 and 4 show the panel 1 of the present invention with the end plate 2.
0 shows the structure of the door 21 used as the frame member 24.

The panel 1 used here is one in which the core material 2 has two layers and the intermediate plate 3 has three layers. The core material 2 part that integrates the central middle plate 3 is provided with a stud 22 on both sides.
And the frame member 24 has a middle plate 3 and a core member 2.
Are removed integrally to form a fitting groove 25. Then, the hood 22 is fitted into the fitting groove 25, and the molding material 27 is attached to the fitting edge to form the door 21.
The frame member 24 has its end face covered with a decorative material 29.

In the above-mentioned structure, when the seed 22 is formed, the fiber direction of the lamina 5 of the core 2 portion is the seed 22.
Although the structure is fragile with respect to the force in the direction of the arrow A which is orthogonal to the protruding direction of the
Since it has the same strength as that of the protruding direction, the hood 22 reinforced by the intermediate plate 3 has a stable structure.

The door 21 exhibits the characteristics of the panel 1 described above due to the configuration using the panel 1, that is, it is lightweight and is manufactured at low cost, and the surface design of the end plate 20 portion thereof is excellent.

Although the end plate 20 and the frame member 24 can be made light by using a low specific gravity as the lamina 5 of the core member 2, as described above, the stud 22 portion and the fitting groove 25 portion have high strength. Since it is necessary, it is preferable that the material is a hard material having a high specific gravity. Therefore, the lamina 5 having a low specific gravity is used in a portion of the panel 1 where the processing is not performed, and the lamina 5 having a high specific gravity is used in a portion to be processed. By doing so, the panel 1 more suitable for the end plate 20 and the frame member 24 can be obtained. In this way, a panel in which lamina having different specific gravity is appropriately arranged according to the application may be manufactured. Materials with high specific gravity include elm (specific gravity 0.55), oak (specific gravity 0.67), and cherry (specific gravity 0.
62) and beech (specific gravity 0.69) are used.

[0034]

As is apparent from the above description, according to the present invention, it is easy to manufacture, inexpensive, lightweight, and excellent in quality and design, suitable for furniture and fittings, and also suitable for building materials for houses. You will be able to get a great panel

[Brief description of drawings]

FIG. 1 is A- when the panel shown in FIG. 2 is assembled.
Sectional view of part A

FIG. 2 is an exploded view showing a panel assembly structure.

FIG. 3 is a front view of a door made using a panel.

FIG. 4 is an exploded sectional view of a door made by using a panel.

[Explanation of symbols]

 1 panel 2 core material 3 middle plate 4 surface decorative material (surface material) 5 lamina (fine material)

Claims (4)

[Claims] 1. A surface material is provided on both sides of a core material, which is formed by juxtaposing a plurality of fine materials made of Muku material and having their fiber directions as longitudinal directions so that their longitudinal directions are aligned in a mutually free state. A panel characterized by being attached. 2. An intermediate plate is provided on both surfaces of a core material, which is formed by juxtaposing a plurality of fine materials made of Muku wood and having their fiber directions as longitudinal directions so that their longitudinal directions are aligned in a mutually free state. A panel characterized by being adhered and further having a surface material adhered on the middle plate thereof. 3. The panel according to claim 1, wherein the fine material is a low specific gravity material. 4. A core material composed of a plurality of fine materials, which are made of Muku material and whose longitudinal direction is the fiber direction, are arranged side by side so that their longitudinal directions are aligned with each other. A method for manufacturing a panel, which comprises applying an intermediate plate coated with the agent, and further applying a surface decorative material on the intermediate plate.