JP2000064491A - Ceiling panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve strength, prevent deformation, and protect a ceiling panel surface by preventing a veneer from cracking. SOLUTION: Folding grooves 5 are applied to a back face of a decorative board 4 wherein a veneer 2 having a laminated synthetic resin film 1 is pasted on a surface of a base material 3, at a forward position of an end part of the decorative board 4. A folding side surfaces 6 are formed on the end part of the decorative board 4 by folding the end part to its back face side along the folding grooves 5, and a recessed part 7 is formed on the back face of the decorative board 4. Moreover, reinforcing materials are provided in the recessed part 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a ceiling panel used for the interior of a ceiling.

[0002]

2. Description of the Related Art A conventional ceiling panel A'is formed as shown in FIG. That is, a base material b made of plywood is attached to the back surface of a decorative material a made of natural wood, artificial wood, decorative paper or the like to form a decorative board c, and vertical boards d and horizontal boards e made of wooden lumber are formed.
Are combined in a ladder shape to form a backing board f, and the backing board f is lined with the backing board f to give strength. Then, a groove h for joining is formed in the end surface of the back board f by groove processing,
The end face makeup material i is attached to the end face of the decorative plate c to apply makeup to the end face.

[0003]

However, the structure of the ceiling panel A'of the above conventional example has the following problems.

1). Since the strength of the ceiling panel A'is determined only by the strength of the backing f, bending and twisting are likely to occur. In addition, swelling and warpage are likely to occur due to variations in material conditions such as the water content of the material of the decorative board c and the material of the back f.

2). There has also been an attempt to provide a bent groove such as a V groove on the back surface of the veneer pasting base material and to bend the bent groove to make up the surface of the end face, but the veneer itself does not have strength against pulling and cracks along a conduit Cracks occur,
It has a bad appearance and is difficult to realize.

3). Although the surface of the veneer is coated with the veneer-attached base material for colored makeup and surface protection, it requires a line for painting and drying, which easily causes process variations.

4). Since the back boards must be assembled in a ladder shape, many steps such as assembling step and laminating step with the decorative plate c are required, and since the batch production is performed, productivity is low and there is a limit to improvement in productivity. .

5). Since the end face can be seen at the time of construction, the end face must be makeup, and a process of attaching or printing a decorative paper separate from the surface makeup is required, which causes a feeling of discomfort with the surface makeup and a process defect.

6). In the case of a watermark-shaped ceiling, an actual eyeboard is required in addition to the ceiling panel A '. Further, it is necessary to process the eye plate that matches the decorative surface of the ceiling, and it is necessary to incorporate it into the ceiling panel A ′ even as an integrated body, which causes damage and loss during transportation, and troublesome fitting during construction. In addition, in the above-mentioned actual shape, it was necessary to apply makeup to the visible parts.

The present invention has been made in view of the above points, and an object of the present invention is to provide a ceiling panel which has no problems of strength and deformation and which can prevent cracks of the veneer and protect the surface. is there.

[0011]

In order to solve the above-mentioned problems, the ceiling panel according to claim 1 of the present invention comprises a decorative plate 4 in which a veneer 2 laminated with a synthetic resin film 1 is attached to the surface of a base material 3. A bending groove 5 is formed on the back surface at a position in front of the end of the decorative plate 4, and the end is bent along the bending groove 5 to the back surface side to form a bending end face 6 at the end of the decorative plate 4 and the decorative plate 4 It is characterized in that a recess 7 is formed on the back surface of and the reinforcing member 8 is provided in the recess 7. As described above, the decorative plate 4 is restricted to the box shape, and strength and shape are exhibited at the bent portion, and the above problem 1). The problem of strength and deformation is solved.
Further, since the projecting plate 2 laminated with the synthetic resin film 1 is used, the projecting plate 2 can be prevented from cracking and the surface can be protected, so that the above problem 2). And problem 3). Can be solved.
Further, since the surface makeup and the end surface makeup are made integrally and only the decorative plate 4 needs to be bent, the above problem 5). Can be solved.

A ceiling panel according to a second aspect of the present invention is characterized in that, in the first aspect, the reinforcing member 8 is a vertical rod 8a made of a wood material, a metal material, or a resin molded product. The above problem 1) is required because the shape of the bent portion can be regulated and reinforced. Can be solved. Moreover, unlike the conventional method, there is no need for a claw assembly, and it is possible to bond them continuously. Can improve productivity.

A third aspect of the present invention is the ceiling panel according to the first aspect, which is a foamed resin molded product 8b in which the reinforcing material 8 is entirely or partially filled. The above problem 1) is required because the shape of the bent portion can be regulated and reinforced. Can be solved. Moreover, unlike the conventional method, there is no need for a claw assembly, and it is possible to bond them continuously. Can improve productivity. It is also possible to add functions such as weight reduction and heat insulation.

Further, the ceiling panel according to claim 4 of the present invention is characterized in that, in any one of claims 1 to 5, an actual structure is provided on the bent end surface of the decorative plate 4. Eye plate part 9 is also decorative plate 4
Since it can be processed and molded integrally with
Problem 6), which does not require actual makeup. Can be solved.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The decorative plate 4 which is the main body of the ceiling panel A is a rectangular plate member, and as shown in FIG.
The film laminate veneer sheet 10 is formed on the base material 3 such as an F board (medium density fiber board) or a particle board. Film laminated veneer sheet 1
As shown in FIG. 2 (b), a synthetic resin film 1 such as polypropylene is laminated on the front surface side of the veneer plate 2 via a hot melt layer 11 and a coating layer 12, and a nonwoven fabric 13 is formed on the rear surface side of the veneer board 1. Are formed by stacking. Veneer 4
Specifically, as shown in FIG. 1 (a), the film laminated veneer sheet 10 is formed by adhering the film laminated veneer sheet 10 to the base material 3 made of an MDF board having a thickness of 27 mm. As shown in FIG. 1B, a bent groove 5 such as a V-shaped groove 5 is formed in front of both sides of the back surface of the decorative plate 4 thus formed, as shown in FIG.
1 is provided, and an adhesive 19 such as a hot melt adhesive is applied to the bending groove 5 as shown in FIG.
5 is applied. Next, as shown in FIG. 1 (d), a reinforcing material 8 is arranged along the bending groove 5 on the back surface of the decorative plate 4, bent at a right angle in the bending groove 5 and press-formed to be bent on both sides. The end face 6 is formed. Figure 1
In the case of the example, a vertical shaft 8a made of wood, metal, or a resin molded product is used as the reinforcing material 8. As shown in FIG. 3A, the vertical shaft 8a is aligned with the position inside the bending groove 5. 3B and is integrated as shown in FIG. 3B on both sides in the recess 7 by bending at the bending groove 5. After the bent end surface 6 is formed by bending as described above, a groove is formed in the bent end surface 6 as shown in FIG.

Although the ceiling panel A is formed as described above, the decorative plate 4 is restricted to a box shape and the bending portion has strength and shape, so that the strength is increased and the problem of deformation is eliminated. Further, since the synthetic resin film 1 is laminated on the surface of the projecting plate 2, cracking of the projecting plate 2 can be prevented and the surface can be protected. Moreover, the makeup on the surface and the makeup on the end face are integrated, and it is not necessary to separately attach a decorative paper to the end face as in the conventional case. Further, unlike the conventional case, the vertical cauldron 8a can be incorporated without the need for a back cauldron assembly, and the productivity can be improved. Further, when constructing the ceiling panel A, it is possible to arrange an eye plate having an actual structure between adjacent ceiling panels A and insert the eye plates into the concave grooves 16 to connect them.

4 and 5 show another example of the embodiment. In the case of this example, a foamed resin molded product 8b is used as the reinforcing member 8 and is filled in the entire recess 7 on the back surface. In the case of the example of FIG. 4, a separately formed foamed resin molded product 8b is loaded in the recess 7, and in the case of the example of FIG. 5, after forming the recess 7 as shown in FIG. By injection molding a foamed resin, a foamed resin molded product 8b is loaded as shown in FIG. 5 (b). The ceiling panel A formed in this way can be added with functions such as weight reduction and heat insulation.

FIG. 6 shows another example of the embodiment. When the bending groove 5 is provided on the back surface of the decorative plate 4, one bending groove 5 is provided at one side end, and two bending grooves 5 are provided in parallel at the other side end. On the back surface side of the decorative plate 4, a vertical board 8a is provided as a reinforcing material 8, is bent along the bending groove 5 and is press-formed to form a ceiling panel A as shown in FIG. 6B. However, one of the vertical bars 8a has a projecting piece 17 and the other vertical bar 8a has an inclined surface 18. An actual concave groove 16 is formed between the bent end surface 6 and the projecting piece 17 in one vertical cauldron 8a, and a valley fold is formed in the inside bent groove 5 and an outside in the other vertical cauldron 8a. A mountain fold is made at the portion of the bending groove 5. In the mountain-folded portion, the back surface is along the inclined surface 18, and the actual eye plate portion 9 protruding laterally is integrally formed at the other end portion. When the ceiling panel A thus formed is constructed, the eye plate portion 9 is inserted into the concave groove 16 and connected between the adjacent ceiling panels A. In this case, since the eye plate part 9 can also be integrally processed with the decorative plate 4, the eye plate processing, assembling and actual makeup are not required.

[0019]

According to the first aspect of the present invention, a veneer laminated with a synthetic resin film is attached to the front surface of the base material, and the back surface of the decorative board is provided with a bending groove at a position near the end of the decorative board. Since the end is bent along the bending groove to the back surface side to form a bent end surface at the end of the decorative plate, a concave portion is formed on the rear surface of the decorative plate, and the reinforcing material is provided in the concave portion. Is box-shaped and has strength and shape at the bent part, and there is no problem of strength and deformation.Because a veneer laminated with a synthetic resin film is used, cracking of the veneer is prevented. In addition to being able to protect the surface, the surface makeup and the end face makeup are integrated, and it is only necessary to bend the decorative plate, and no separate makeup is required on the end face as in the conventional case.

In addition to the effect of the above-mentioned claim 1, the invention of claim 2 of the present invention, in addition to the effect of claim 1, is that the reinforcing material is a vertical shaft made of a wood material, a metal material, or a resin molded product. It is possible to improve productivity because continuous bonding is possible without the need for a claw assembly.

In addition to the effect of the above-mentioned claim 1, the invention of claim 3 of the present invention is a foamed resin molded product in which the reinforcing material is wholly or partially filled with the reinforcing material, so that it is possible to reduce the weight and heat insulation. Functions can also be added.

The invention of claim 4 of the present invention is the invention of claim 1.
In addition to the effects of claim 3, since the actual structure is provided on the bent end surface of the decorative plate, the eye plate part can also be integrally processed with the decorative plate, so processing, assembling and actual makeup of the eye plate are required. And not.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a process of forming a ceiling panel according to an embodiment of the present invention.

FIG. 2 (a) is a cross-sectional view of the same decorative plate, and FIG. 2 (b) is a cross-sectional view of a film laminate veneer sheet.

3 (a) and 3 (b) are perspective views for explaining a state in which the same vertical casket is incorporated.

FIG. 4 is a perspective view illustrating an example of a state in which the foamed resin molded article of the same is loaded.

5 (a) and 5 (b) are perspective views for explaining another example of a state in which the foamed resin molded product of the same is loaded.

6 (a) and 6 (b) are perspective views illustrating a manufacturing process of another example of the ceiling panel of the above, and FIG. 6 (c) is a cross-sectional view for enlarging a portion to which the ceiling panel is connected.

7A shows a conventional example, FIG. 7A is an exploded perspective view, and FIG. 7B is a sectional view taken along the line XX ′ in the assembled state of FIG.

[Explanation of symbols]

1 film 2 veneer 3 base materials 4 Veneer 5 Bending groove 6 Bend end face 7 recess 8 Reinforcement material 8a vertical board 8b Foamed resin molded product 9th board

Claims (4)

[Claims] 1. A bending groove is formed on a back surface of a decorative board having a synthetic resin film laminated on a front surface of a base material at a position in front of an end portion of the decorative board, and the end portion is a back surface along the bending groove. A ceiling panel characterized by being bent to a side to form a bent end face at an end of a decorative plate, a concave portion being formed on a rear surface of the decorative plate, and a reinforcing material being provided in the concave portion. 2. The ceiling panel according to claim 1, wherein the reinforcing material is a vertical board made of a wood material, a metal material, or a resin molded product. 3. The ceiling panel according to claim 1, wherein the reinforcing material is a foamed resin molded product which is wholly or partially filled with the reinforcing material. 4. The ceiling panel according to any one of claims 1 to 3, wherein an actual structure is provided on a bent end surface of the decorative plate.