JP3470553B2 - panel - Google Patents

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 panel such as a flooring material based on rock wool board.

[0002]

2. Description of the Related Art Generally, a direct-attached soundproof floor is constructed by a method of directly attaching a floor material to the lower ground of a building,
The main purpose is to reduce the impact noise on the floor, to reduce the impact force applied to the floor surface and reduce the impact noise transmitted downstairs.

A conventional wooden soundproof floor material used for construction of a conventional sound-insulating floor of this type is constructed, for example, as shown in FIG . That is, the base material of the floor material is formed of plywood 1 ', a plurality of kerfs 2 are provided in rows on the back surface of the plywood 1', and the surface decorative material 3 is laminated on the front surface of the plywood 1 '. The cushion layer 4 is integrally formed on the back surface of the plywood 1 '. The wood soundproof flooring material with this structure has a groove 2 formed in the plywood 1'to reduce the bending rigidity, and the cushion layer 4 is laminated to reduce the overall spring constant per unit area of the floor. By layering vibrating materials, the vibration generated by impact is damped, and measures such as damping the impact are provided to improve the soundproofing performance.

[0004]

However, since the current wooden soundproof flooring material improves the soundproofing performance by reducing the spring constant and bending rigidity, it tends to cause a problem that the feeling of walking becomes poor. Since ′ is used as the base material, dimensional change due to humidity is likely to occur, and problems such as push-up due to moisture absorption, gaps due to drying, and cracking of the surface decorative material are likely to occur. If the surface hardness of the base material is plywood 1 ', it is likely to cause scratches or dents due to the use of furniture with casters or the impact of dropping objects, and the surface is not so smooth. Stockings in V-grooves 5, socks and socks are likely to occur.

The present invention has been made in view of the above-mentioned points, and a panel capable of improving soundproofing performance, surface hardness and smoothness, and further improving dimensional stability against temperature and humidity can be provided. The challenge is to provide.

[0006]

In order to solve the above problems, the panel according to claim 1 of the present invention has a wood wool-plastic composite material or a medium density fiberboard on the surface side of a rock wool board.
A surface decorative material is laminated via a reinforcing layer made of (MDF board), and a cushion is provided between the reinforcing layer and the rock wool board.
It is characterized by stacking a plurality of layers . As mentioned above, wood wool-plastic composite or rock wool board surface
By using a reinforcing layer made of medium-density fiberboard , when the panel is a floor material, scratches due to the use of furniture with casters and dents due to falling of objects are less than those using a conventional plywood base material. . In addition, by using a reinforcing layer made of wood powder-plastic composite material or medium density fiberboard on the surface of rock wool board, the surface becomes smoother than that using conventional plywood as a base material, so that the panel If is a floor material, stockings on the V-shaped groove of the surface decorative material,
Socks are less likely to get caught. In addition, the surface of the rock wool board should be a wood powder-plastic composite or medium density fiber.
By using the reinforcing layer made of a fiberboard, the occurrence of cracks in the surface decorative material can be suppressed because the dimensional stability due to humidity is greater than that of the conventional plywood. In addition, rock wool board is a material that has a smaller rate of dimensional change due to humidity and a smaller rate of dimensional change due to temperature than conventional plywood base materials. On the other hand made of wood flour-plastic composite or medium density fiberboard
The reinforcing layer is a material having higher dimensional stability against temperature than plywood . Therefore, the panel made of the rock wool board, the wood flour-plastic composite material, or the reinforcing layer of the medium density fiberboard reduces the dimensional change due to the temperature and humidity change of the entire panel, and reduces the thrust and the gap. Furthermore, rock wool board has a smaller spring constant than plywood base material and is a material with excellent shock absorption performance, so when the panel is a flooring material, compared to the same floor construction using plywood base material. The soundproof performance (L value) is improved by one rank with the same walking feeling.

[0007] Mataro click wool board and by providing a cushion layer between the reinforcement layer, local compression deformation of the surface, damping the vibrations due to damping effect, improving the sound insulation performance by reducing the spring constant per overall unit area Can be made.

[0008] panel according to claim 2 of the present invention, claim
1 is characterized in that the cushion layer is a resin having adhesiveness and elasticity after the adhesive is cured. Has the effect of bonding to the material of the cushion layer and the rock wool board and a reinforcing layer, according to claim 1 by and after bonding also has elasticity
It is possible to further improve the soundproofing performance than the above. Further, urethane foam resin or the like can be used as the material of the cushion layer.

[0009] panel according to claim 3 of the present invention, claim
1 is characterized in that a concave portion is formed on the front surface side of the rock wool board or the rear surface side of the reinforcing layer, and a cushion material is provided in the concave portion to form the cushion layer. By forming a recess on the front side of the rock wool board or on the back side of the reinforcing layer and providing a cushion layer in this recess, the overall spring constant per unit area can be reduced without increasing the thickness of the entire panel. Is possible. When the panel is a flooring material, walking feeling and load resistance can be ensured by the presence of the convex portion on the surface side of the rock wool board or the rear surface side of the reinforcing layer other than the concave portion.

[0010] panel according to claim 4 of the present invention, claim
3 , the cushion material of the concave portion is a resin having adhesiveness and elasticity after the adhesive is cured. The material of the cushion layer has the effect of adhering the rock wool board and the reinforcing layer, and has elasticity even after the adhesive is cured.
The soundproofing performance can be improved as compared with the third aspect . Further, it is possible to easily obtain the required thickness at the time of adhesive molding of the cushion layer having adhesiveness by the concave portion provided on the front surface side of the rock wool board or the rear surface side of the reinforcing layer. As the material of the cushion layer, urethane foam resin or the like can be used.

[0011] panel according to claim 5 of the present invention, claim
1 is characterized in that both side surfaces of the rock wool board are covered with a reinforcing layer and a real portion is provided on the reinforcing layer. The reinforcing layer covers both end portions of the rock wool board, and the real portion is provided at that portion, so that the strength of the real portion can be improved. Further, it is possible to facilitate the required thickness increase at the time of adhesive molding of the cushion layer having adhesiveness as described in claim 5 at the portion of the reinforcing layer covering both ends of the rock wool board. Wood flour - a material that can easily secure any shape such as a plastic composite material, der can be molded such as by extruding a shape including the real part
It

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION In the embodiments of the present invention, a floor material A will be described as an example of a panel.

First, the embodiment shown in FIG. 1 (embodiments corresponding to claims 1 and 2) will be described. The base material of the floor material A is formed by integrally providing the reinforcing layer 6 on the surface side of the rock wool board 1, and the surface decorative material 3 is laminated and integrated on the reinforcing layer 6 of the base material to form the floor material A. There is. One of the two end faces of the rock wool board 1 is provided with a male nut 7 and the other is provided with a male nut 8 that fits into the female nut 7. The reinforcing layer 6 provided on the surface side of the rock wool board 1 is a wood powder-plastic composite material or a medium density fiberboard (MDF board). The surface decorative material 3 is a thin wood veneer, and V grooves 5 are provided on the surface as needed. The thickness a of the rock wool board 1 is, for example, 9 mm, and the thickness b of the reinforcing layer 6 is, for example, 3 mm.

[0014] are laminated and integrated cushion layer 9 for the surface layer between the rock wool board 1 and the reinforcing layer 6. The cushion layer 9 is formed of a soft urethane foam sheet, a polyester nonwoven fabric, an urethane foam layer that also serves as an adhesive. Further, the material of the cushion layer 9 for the surface layer is preferably a material having adhesiveness such as urethane foam also serving as an adhesive and having elasticity after the adhesive is cured. In FIG. 2, the cushion layer 4 on the back side is also provided. Back on the back side of rock wool board 1
The cushion layer 4 for the surface is laminated and integrated. This
The cation layer 4 is made of a flexible urethane sheet or polyester.
It is composed of woven cloth. In this case, rock wool board 1
Since the cushion layer 4 is provided on the back surface of the conventional plywood
Has a higher spring constant than the cushion layer 4 provided on the back surface of the
Any thing can be used. The material of the cushion layer 4
Has adhesiveness like soft urethane foam, and after adhesive curing
A material having elasticity is preferable.

Next, an embodiment shown in FIG. 3 (an embodiment corresponding to claim 3 ) will be described. This example is also basically the same as the above example, but in the case of this example, a concave portion 10 is provided on the surface side of the rock wool board 1, and the concave portion 10 is filled with a cushion material to form a cushion layer 9. is there. That is, as shown in FIG. 3 (b), rectangular convex portions 11 are provided upright on the surface side of the rock wool board 1 at substantially equal intervals to form concave portions 10 in the portions other than the convex portions 11. 10 is filled with a cushion material to form a cushion layer 9. In FIG. 3B , for example, the code c is 50 mm, and d is 50.
mm and e are 10 mm, f is 65 mm, and the height of the convex portion 11 is, for example, 2 mm. Further, in the embodiment shown in FIG. 4 (the embodiment corresponding to claim 4 ), the cushion layer 9 provided in the recess 10 has adhesiveness like urethane foam that also serves as an adhesive, and is made of a material having elasticity after adhesive curing. Is formed. A cushion layer 4 for the back side is provided on the back side of the rock wool board 1. In the above example, the recess 10 is provided on the rock wool board 1 and the cushion layer 9 is provided in the recess 10.
As shown in FIG. 5 , a recess 10 may be provided on the reinforcing layer 6 and a cushion layer 9 may be provided on the recess 10.

Next, an embodiment shown in FIG. 6 (an embodiment corresponding to claim 5) will be described. This example is also basically the same as the above example, but in the case of this example, the reinforcing layer 6 made of wood powder-plastic composite material is applied not only to the surface side of the rock wool board 1 but also to both end surfaces of the rock wool board 1. In the portion of the reinforcing layer 6 on both end faces, the female seed 7 is provided on one side and the male seed 8 is provided on the other side .

Next, the embodiment shown in FIG. 7 will be described. In the case of this example, the rock wool board 1 has a plurality of blocks 1a arranged side by side, and the adjacent blocks 1a are provided with cushion layers 9a.
It is formed by integrating with. In this case, the cushion layer 9 provided on the surface side of the rock wool board 1 is formed of a cushion material having adhesiveness such as urethane foam resin also serving as an adhesive and having elasticity after the adhesive is cured. When the cushion layer 9 is formed, the cushion layer 9a is formed by filling the gap 1b between the adjacent blocks 1a with a cushion material.

In the embodiment of the present invention, the example of the floor material A has been described as an example of the panel, but the same can be applied to a wall material or a ceiling material.

[0019]

According to the first aspect of the present invention, since the surface decorative material is laminated on the surface side of the rock wool board through the reinforcing layer made of wood powder-plastic composite material or medium density fiberboard, the panel is In the case of flooring materials, scratches due to the use of furniture with casters and dents due to falling objects are less than those using conventional plywood as the base material, and those using conventional plywood as the base material. Since the surface is smoother than in the case of the above, when the panel is a floor material, the stockings and socks on the V-shaped groove of the surface decorative material are less likely to be caught. Since the dimensional stability is great, the occurrence of cracks on the surface decorative material can be suppressed. Furthermore, the dimensional change due to the temperature and humidity changes of the entire panel is small, and the push-up and the gap are reduced. Furthermore, rock wool board has a smaller spring constant than plywood base material and is a material with excellent shock absorption performance, so when the panel is a floor material, it is compared with the same floor structure using plywood base material. The soundproofing performance (L value) is improved by one rank with the same feeling of walking, and since the cushion layer is laminated between the reinforcing layer and the rock wool board, the surface is locally compressed and deformed. The soundproofing performance can be improved by damping the vibration by the damping effect and reducing the total spring constant per unit area.

The invention of claim 2 of the present invention is the invention of claim 1.
In the above, since the cushion layer has adhesiveness and is a resin having elasticity after the adhesive is cured, it has the effect of adhering the rock wool board and the reinforcing layer to the material of the cushion layer, and by having elasticity even after adhering. The soundproofing performance can be further improved than that of the fourth aspect .

The invention according to claim 3 of the present invention is the invention according to claim 1.
In the above, since the concave portion is formed on the front surface side of the rock wool board or the rear surface side of the reinforcing layer, and the cushion material is provided in the concave portion to form the cushion layer, the total unit area can be increased without increasing the thickness of the entire panel. It is possible to reduce the spring constant per hit, and the presence of protrusions on the surface side of the rock wool board or the back side of the reinforcing layer other than the above recesses ensures walking feeling and load bearing capacity. It is possible.

The invention of claim 4 of the present invention is the invention of claim 3.
In the above, since the cushion material of the concave portion is a resin having adhesiveness and elasticity after adhesive curing, the material of the cushion layer has an effect of adhering the rock wool board and the reinforcing layer, and has elasticity even after adhesive curing. According to the above, the soundproofing performance can be improved as compared with the third aspect ,
Further, it is possible to easily obtain the required thickness at the time of adhesive molding of the cushion layer having adhesiveness by the concave portion provided on the front surface side of the rock wool board or the rear surface side of the reinforcing layer.

The invention of claim 5 of the present invention is the invention of claim 1.
In the above, since both side surfaces of the rock wool board are covered with the reinforcing layer and the real portion is provided in the reinforcing layer, the strength of the real portion can be improved, and the reinforcement covering both end portions of the rock wool board is also provided. it is also possible to facilitate the required thickness out during adhesive forming the adherent is a cushioning layer such as of claim 2 in the portion of the layer.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a floor material according to an example of an embodiment of the present invention.

FIG. 2 is a sectional view of another example of the above.

FIG. 3 shows another example of the above, (a) is a cross-sectional view of the flooring material,
(B) is a top view of a rock wool board.

FIG. 4 is a sectional view of another example of the above.

FIG. 5 is a cross-sectional view of another example of the above.

FIG. 6 is a sectional view of another example of the above.

FIG. 7 is a cross-sectional view of another example of the above.

FIG. 8 is a sectional view of a conventional example.

[Explanation of symbols]

1 rock wool board 2 kerf 3 surface decorative materials 4 cushion layer 6 Reinforcement layer 7 female 8 male facts 9 cushion layer 10 recess

Continuation of the front page (56) References Japanese Patent Laid-Open No. 9-60276 (JP, A) Jpn 3-33883 (JP, Y2) Jpn 3-33884 (JP, Y2) (58) Fields investigated (Int .Cl. ⁷ , DB name) E04F 15/00-15/22 B32B 1/00-35/00

Claims (5)

(57) [Claims] 1. A wood powder-plastic composite material or medium density fiberboard (MDF board) on the surface side of a rock wool board.
The surface decorative material is laminated through the reinforcing layer consisting of
A panel characterized by laminating a cushion layer between it and a rock wool board . 2. The cushion layer has adhesiveness and is adhesively cured.
2. A resin having elasticity afterwards.
The panel described . 3. The surface side or supplement of a rock wool board
A recess is formed on the back side of the strong layer, and a cushion material is installed in the recess.
2. A cushion layer is formed by using
The panel described . 4. The cushion material of the recess has adhesiveness and
A contract characterized by being a resin having elasticity after curing and hardening
The panel according to claim 3 . 5. Both ends of the rock wool board with reinforcing layers
It is characterized by covering the surface and providing a real part in the reinforcing layer.
The panel according to claim 1, wherein