JP2000337037A - Facing material and fixing method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent cracks of a sliced veneer of a facing plate when being bent by sticking the sliced veneer to one face of a base material formed by a wooden plate piece, providing a cut groove substantially V-shaped in section, which is a bent part, on the other face, and forming the bottom of the cut groove to be substantially flat, so that a thin part having a specified thickness is formed on the sliced veneer side. SOLUTION: A facing plate 1 used for, a building material such as a door of a dwelling house includes a base material 2, a sliced veneer 3 and a surface sheet 4, wherein the sliced veneer 3 is stuck to one face of the base material 2 of a wooden plate material, and a cut groove 5 substantially V-shaped in section, which is a bent part, is provided in the other face of the base material 2. In this arrangement, the bottom of the cut groove is formed to be flat so that a thin part 6 having a width ranging from 0.2 to 0.5 mm is formed on the sliced veneer 3 side. Preferably the thin part 6 has a wall thickness ranging from 0.1 to 0.3 mm. The bent part is heated to such a degree that the sliced veneer 3 is softened, and then the bent part is bent to be fixed to the surface of a member to be faced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative material provided with a bent V-shaped cutting groove having a substantially V-shaped cross section, which is used for a building material such as a door of a house, a door or the like, or a cabinet of furniture and electric appliances. It relates to the fixing method.

[0002]

2. Description of the Related Art Conventionally, building materials such as doors and doors of houses,
Alternatively, as shown in FIG. 5A, in order to finish the corners of the decorative material A used for surface decoration such as cabinets of furniture and electric appliances, a cross section having a bent portion on one surface of the base material 2 as shown in FIG. By providing a substantially V-shaped cutting groove B as shown in FIG.
As shown in (b), for example, when it is used for a door frame of a house, it is widely used to bond the cut groove B portion to the surface of the member to be decorated C made of a laminated material using an adhesive. Is being done.

[0003]

However, in the above-mentioned prior art, when the decorative material A is provided with the colored veneer 3 on the surface of the base material 2, the decorative material A is bent. In some cases, the abutting plate 3 in the cutting groove B was cracked. For this reason, there is a problem that, after attaching to the member to be decorated C, the broken portion needs to be repaired.

Recently, in order to solve this problem, a veneer plate 3 is laminated with a surface sheet formed of a colored film material instead of the above-mentioned colored coating. However, also in this case, there is a problem that the veneer under the colored film material is broken after the decorative material is bent, and the surface of the colored film material is whitened, resulting in a poor appearance.

The present invention has been made in view of the above circumstances, and an object of the present invention is to prevent a veneer of a decorative material from cracking when it is bent. It is an object of the present invention to provide a cosmetic material that is unnecessary and that can prevent whitening even when a colored film material is used, and a method for fixing the same.

[0006]

Means for Solving the Problems To achieve the above object, in the decorative material of the present invention, a veneer is adhered to one surface of a base made of a wooden board, and the other surface of the base is made of the same. In the decorative material provided with a substantially V-shaped cutting groove serving as a bent portion, the cutting groove has a width dimension of 0.2 mm to 0.5 mm on the side of the veneer plate.
The bottom is formed in a substantially flat shape so as to form a thin portion having a range of (1).

In this case, the decorative material has a width dimension of 0.2.
mm to 0.5 mm, the bottom of a substantially V-shaped cross-section cut groove provided on the other surface of the base material on the opposite side to the veneer attached to one surface of the base material made of a wooden board. Is bent at the thin portion.

Preferably, the thin portion has a thickness in the range of 0.1 mm to 0.3 mm.

In this case, the decorative material has a width dimension of 0.2.
mm to 0.5 mm, and the wall thickness is set to 0.1 mm.
It is bent at a thin portion within a range of 1 mm to 0.3 mm.

In the method of fixing a decorative material according to the present invention, the bent portion is heated to such an extent that the veneer is softened, and then the bent portion is bent and fixed to the surface of the member to be decorated. I have.

In this case, the decorative material has a width dimension of 0.2
mm to 0.5 mm is a bent portion of the decorative material,
The thin part formed by the abutting plate is bent after being heated and softened, and is fixed to the surface of the member to be decorated.

Further, it is preferable that a heating type adhesive in a predetermined high temperature state is filled in the cutting groove to heat the bent portion so that the veneer is softened.

In this case, the decorative material is bent and fixed to the surface of the member to be decorated after the veneer is heated and softened by filling a predetermined high temperature heating type adhesive in the cut groove at the bent portion thereof. Is done.

[0014]

1 to 3 show a first embodiment corresponding to all of claims 1 to 3 of the present invention, and FIG.
Shows a second embodiment corresponding to claim 4 of the present invention.

[First Embodiment] FIG. 1 is a side sectional view showing a decorative material according to a first embodiment. FIG. 2 is an explanatory view showing a manufacturing procedure of the decorative material. FIG. 3 is a side sectional view showing another embodiment of the decorative material.

In the decorative material of this embodiment, a veneer plate 3 is adhered to one surface of a base material 2 made of a wooden board, and a cut portion having a substantially V-shaped cross section as a bent portion is formed on the other surface of the base material 2. In the decorative material 1 provided with the groove 5, the bottom of the cut groove 5 is made substantially flat so as to form a thin portion 6 having a width in the range of 0.2 mm to 0.5 mm on the side of the veneer plate 3. Formed.

The thickness of the thin portion 6 according to the embodiment is in the range of 0.1 mm to 0.3 mm.
In addition, the method of fixing the decorative material according to this embodiment includes the steps of:
Heat is applied to such an extent that the abutment plate 3 is softened, and then the bent portion is bent and fixed to the surface of the member to be decorated.

More specifically, the decorative material 1 is a door for a house,
It is used for building materials such as doors, or for surface decoration of furniture, cabinets for electric appliances, etc. In this case, it is used for the surface decoration material of the entrance frame described with reference to FIG. Is done. Then, as shown in FIG.
, A veneer plate 3 and a topsheet 4.

The substrate 2 is made of plywood or MDF (med
It is made of a wood board such as a medium fiber board called ium density fiberboard. In this case, a board having a thickness of 2.5 mm is used. This base material 2 has an adhesive applied to one side thereof,
After the veneer 3 having a thickness of 0.25 mm is laminated and bonded, a colorant is applied to the entire surface of the veneer 3.

Thereafter, as shown in FIG. 2A, a polypropylene film, which is a colored film material having a thickness of approximately 20 μm and having an adhesive layer on the back surface thereof, is provided on the side of the veneer plate 3 on which the coloring agent is applied. A topsheet 4 formed of a synthetic resin sheet material such as a resin sheet is passed through between heating and pressing rolls D, D to perform a laminating process, and a flat decorative material E as shown in FIG. Get.

The cutting groove 5 for forming the thin portion 6 is formed by changing the shape of the flat portion at the bottom, which is the V-shaped processing condition, based on the conditions of Examples 1 to 5 shown in Table 1 below. In addition to those shown in FIG. 1, the intersections F, F between the thin portion 6 and the V-shaped slope as shown in FIG.
It is preferable to form the shape of the cutting groove 5 including the above in order to bend the bent portion and prevent the veneer plate 3 from cracking. In addition, confirmation of the crack prevention effect due to the difference in the shape of the cutting groove 5 is as follows.
It can be performed by sticking to the above-described member C to be made of laminated wood and bending the bent portion to form an entrance frame and confirming the appearance of the corner portion. In order to confirm the effect due to the difference in the method of fixing the decorative material 1, the bent portion is heated to such an extent that the veneer 3 is softened, and then the bent portion is bent and fixed to the surface of the member to be decorated. In addition to (Example 5), the appearance of Comparative Examples 1 to 3 as shown in Table 1 was confirmed for the thin portions 6 having different width dimensions.

[0022]

[Table 1]

In the decorative material 1 under the conditions of Examples 1 to 4, the width of the decorative material 1 is from 0.2 mm to 0.2 mm.
The bottom of a cutting groove 5 having a substantially V-shaped cross-section provided on the other surface of the base material 2 on the opposite side to the veneer plate 3 attached to one surface of the base material 2 made of a wooden board and having a range of 5 mm. For example, the above-mentioned entrance frame is formed by bending at the thin portion 6, which has been confirmed from the experimental results that a good appearance is obtained at the corner. In the case of the fifth embodiment, the thin portion 6 of the veneer 3, which is a bent portion of the decorative material 1 whose width dimension is in a range of 0.2 mm to 0.5 mm, is softened by heating. After being bent, it can be fixed to the surface of the entrance frame with less bending force.

In Comparative Example 1, the width of the thin portion 6 was 0.1
mm due to the V-shaped processing conditions of the cutting groove 5
A crack was confirmed at a part of the corner, and the cutting groove 5 of Comparative Example 2 having a width of the thin portion 6 of 0.1 mm and a thin thickness of 0.5 mm was used.
In the case of the V-shaped processing conditions, it was confirmed that cracks occurred in the entire corners. Thus, the decorative material 1 has a thin portion 6 whose width is in the range of 0.2 mm to 0.5 mm and whose thickness is in the range of 0.1 mm to 0.3 mm.
It can be seen that a better appearance can be obtained by bending. Further, the width of the thin portion 6 of Comparative Example 3 was 0.8 m.
In the case of the V-shaped machining condition of the cutting groove 5 where m was set, the occurrence of round and curved blisters was confirmed over the entire corners, which proved to be a defect in appearance.

Therefore, according to the decorative material 1 described above, the decorative material 1 has a width dimension of 0.2 mm to 0.5 mm.
At the bottom of a substantially V-shaped cross-section cut groove 5 provided on the other surface of the base material 2 on the other side of the veneer plate 3 adhered to one surface of the base material 2 made of a wooden board. Since it is bent at a certain thin portion 6, it is possible to prevent the veneer plate 3 of the decorative material 1 from cracking when bent, so that surface repair is unnecessary,
Further, even if the topsheet 4 is used, the whitening can be prevented.

The width of the decorative material 1 is 0.2.
mm to 0.5 mm, and the wall thickness is set to 0.1 mm.
Since it is bent at the thin portion 6 within the range of 1 mm to 0.3 mm, it can be easily bent to have a better appearance.

According to the above-described method of fixing the decorative material, the decorative material 1 has a width of 0.2 mm to 0.5 m.
The thin portion 6 of the veneer 3, which is a bent portion of the decorative material in the range of m, is heated and softened and then bent and fixed to the surface of the member to be decorated, so that it can be easily formed with less bending force. It can be fixed to and has excellent workability.

[Second Embodiment] FIG. 4 is an explanatory view of a decorative material according to a second embodiment and a method of fixing the same.

The cosmetic material of this embodiment and the method of fixing the cosmetic material are different from those of the first embodiment in that the configuration of the cutting groove serving as the bent portion of the cosmetic material and a part of the method of fixing the cosmetic material are different from those of the first embodiment.
The other structure is the same as that of the first embodiment. In the fixing method of the decorative material according to the second embodiment, the bent portion is formed by cutting the heating type adhesive in a predetermined high temperature state so that the veneer plate 3 is softened. The grooves are filled and heated.

In this case, as shown in FIG. 4A, as the decorative material 7, a cutting groove for forming the same thin portion 6 as described above is formed on one surface of the base material after the bending of the bent portion. Two cutting grooves 8 and 8 are used side by side so that G is formed. Each of the cutting grooves 8 has a substantially V-shaped cross-section with a slope and an upright facing each other. ing. Then, the bent portion formed by the cut grooves 8, 8 is bent, and as shown in FIG.
A chamfered portion G of approximately 45 degrees is formed on one surface side. The cutting grooves 8, 8 are formed simultaneously or separately, but in either case, a defective portion H may be generated in an intermediate portion of the cutting grooves 8, 8. Therefore, based on the conditions of Examples 6 and 7 as shown in Table 2 below, the defective portion H
The bent portions forming the shapes of the cutting grooves 8 and 8 are bent, including those having a groove, and adhered to the above-described decorative member C made of laminated wood in the same manner as described above to form an entrance frame, The appearance of the corner forming the chamfered portion G was confirmed.

[0031]

[Table 2]

In the decorative material 1 under the conditions of the sixth embodiment, the decorative material 7 is heated without heating the bent portion.
However, the width dimension is set to 0.2 mm to 0.5 mm so that a chamfered portion G is formed on one surface side of the base material 2 of the decorative material 7 after bending.
After the heating type adhesive 9 in a predetermined high-temperature state is filled in the cutting grooves 8 arranged side by side with the thin portions 6 having the above range, they are bent and fixed to the surface of the member C to be decorated. Therefore, the veneer plate 3 is easily heated and softened without being provided with a special heating step, and is fixed to the surface of the member to be decorated C. In this case, in the case where the cut portion H is formed in the middle portion between the cutting grooves 8, 8,
As shown in (c), after bending, the heating-type adhesive 9 is filled in the defective portion H on the other surface side of the base material 2 after bending, and is stably fixed.

Therefore, according to the above-described method for fixing the decorative material, the decorative material 7 is filled with the heating type adhesive 9 in a predetermined high temperature state in the cutting grooves 8 at the bent portions, and the veneer 3 is formed. After being heated and softened, it is bent and fixed to the surface of the member to be decorated, so that the veneer plate 3 can be easily heated without providing a special heating step, and thus can be easily performed in a shorter time. Can be fixed.

[0034]

The cosmetic material of the present invention is embodied as in the above-described embodiment, and the width of the cosmetic material is 0.2 mm to 0.2 mm.
It is the bottom of a substantially V-shaped cross-section cut groove provided on the other surface of the base material on the opposite side to the veneer attached to one surface of the base material made of a wooden plate material, which is in a range of 0.5 mm. Since it is bent at the thin portion, it is possible to prevent the veneer of the decorative material from cracking when bent, thereby eliminating the need for repair of the surface and preventing the whitening of the surface sheet even when used. .

The width of the decorative material is 0.2 m.
m to 0.5 mm and a wall thickness of 0.1
Since it is bent at the thin portion within the range of mm to 0.3 mm, it can be easily bent to have a better appearance.

The decorative material has a width of 0.2 mm.
Since the thin portion of the veneer, which is a bent portion of the decorative material having a range of about 0.5 mm, is heated and softened and then bent and fixed to the surface of the member to be decorated, with a smaller bending force. It can be easily fixed and has excellent workability.

Further, the decorative material is filled with a predetermined high-temperature heating-type adhesive in the cutting groove at the bent portion, and the veneer is heated and softened, and then bent and fixed to the surface of the member to be decorated. Therefore, the veneer plate can be easily heated without providing a special heating step, and thus can be easily fixed in a shorter time.

[0038]

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a decorative material according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a manufacturing procedure of the decorative material.

FIG. 3 is a side sectional view showing another embodiment of the decorative material.

FIG. 4 is an explanatory diagram of a decorative material according to a second embodiment and a method of fixing the same.

FIG. 5 is an explanatory view showing a decorative material according to a conventional example of the present invention.

[Description of Signs] 1 Cosmetic material 2 Base material 3 Veneer plate 5 Cutting groove 6 Thin part 7 Cosmetic material 8 Cutting groove 9 Heating adhesive

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroyuki Ishikawa 1048 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Works Co., Ltd. F-term (reference) 2E016 HA06 HA09 JA01 JA11 JC01 JC07 KA01 LA01 LB11 LB13 LC03 LD02 MA07 NA01 QA13 4F100 AK07C AP00A AP01B AP02A AP03A AT00A AT00C BA02 BA03 BA10C DB15 DD05 GB08 JL01 JL05

Claims (4)

[Claims] 1. A decorative material in which a veneer is adhered to one surface of a base material made of a wooden board and a cut groove having a substantially V-shaped cross section as a bent portion is provided on the other surface of the base material. With the width dimension of 0.2 mm to 0.5
A decorative material characterized in that its bottom is formed in a substantially flat shape so as to form a thin portion having a thickness in the range of mm. 2. The thin portion has a thickness of 0.1 mm or more.
2. The decorative material according to claim 1, wherein the thickness is in a range of 0.3 mm. 3. The decorative material according to claim 1, wherein the bent portion is heated to such an extent that the veneer is softened, and then the bent portion is bent and fixed to the surface of the member to be decorated. Fixing method. 4. The method of fixing a decorative material according to claim 3, wherein the bent portion is filled with a heating type adhesive in a predetermined high temperature state into the cutting groove and heated so that the veneer is softened.