JPH0326840Y2 - - Google Patents

Description

[Detailed explanation of the idea] 〔Technical field〕 This invention relates to a flooring material having a soundproofing effect.

[Background technology]

2. Description of the Related Art Floors of buildings made of steel frames, reinforcing bars, etc. are often made by laying floor finishing materials such as wooden tiles, synthetic resin tiles, rubber tiles, etc. on a floor base made of concrete or the like. Using wooden tiles as a floor finishing material has the advantage of making rooms etc. calmer and adding a sense of luxury to buildings, but wooden tiles have poor sound absorbing properties, so they are less likely to be affected by the sound of footsteps. There are some disadvantages, such as the fact that it resonates. On the other hand, synthetic resin tiles and rubber tiles have higher sound absorption properties than wooden tiles, so using them as floor finishing materials has the advantage of reducing the sound of footsteps; A disadvantage is that it is difficult to give a sense of luxury.

Therefore, a soundproof flooring material as shown in Figure 1 was developed. This soundproof flooring material 1 is a wooden piece 1
b are adhered to the surface of the sheet 1a made of sound-absorbing material so that they are laid out in a checkered pattern or the like without any gaps. Thickness for wood piece 1b is 3.0 to 8.0
The sheet 1a has a thickness of about 2.0 mm.
A diameter of about mm is used. When such soundproof flooring material 1 is laid and fixed on the floor base as shown in the figure, the upper surface of the wooden piece 1b constitutes the floor surface, making the room etc. calm and giving the building a luxurious look. You can also give Moreover, since the sheet 1a made of a sound absorbing material is provided on the back side of the wooden piece 1b, a soundproofing effect can also be obtained.

However, such soundproofing flooring materials have low soundproofing effects, the wooden pieces easily peel off from the sheet, and the wooden pieces have large dimensional changes due to humidity, etc., so the expansion and contraction of the wooden pieces causes the phenomenon of the wooden pieces pushing up. There were also problems such as gaps forming in the floor surface and spoiling the aesthetic appearance of the floor surface.

[Purpose of invention]

This idea was made in view of these circumstances, and it is made up of a sheet and a wooden piece, but it has a great soundproofing effect, the wooden piece is difficult to peel off from the sheet, and even if the wooden piece expands and contracts, the wooden piece remains intact. The purpose is to provide a soundproof flooring material that does not cause the phenomenon of pieces pushing up or impair the aesthetic appearance of the floor surface.

[Disclosure of invention]

In order to achieve the above-mentioned purpose, this invention consists of a sheet made of sound-absorbing material, in which a predetermined number of wooden pieces are embedded, spaced apart from each other, and with the front side protruding, and are joined together inseparably. The gist of this is an integrated soundproof flooring material in which notches are provided at the end faces of the embedded portions of the wooden pieces so as to increase the distance between the wooden pieces in the same portion. This invention will be explained in detail below based on the drawings.

FIGS. 2 and 3 show the soundproof flooring material according to this invention. As shown in the figure, this soundproof flooring material 2
The sheets 2a made of sound absorbing material are spaced apart from each other and the front side portions are made to protrude,
A predetermined number of wooden pieces 2b... are embedded and joined together. As the sound absorbing material, for example, soft rubber such as silicone rubber, soft plastics, and others are used. When using soft rubber or soft plastic, it is preferable to use one with a hardness (shore hardness) of 10 to 70°. The wooden piece may be a single piece, but plywood, a substrate made of plywood, and an artificial decorative veneer or a natural decorative veneer bonded to each other are used. As mentioned above, the soundproof flooring material according to this embodiment has spaces between the wooden pieces and the bases of the wooden pieces are embedded in the sheet. The sound is blocked by the sound-absorbing material surrounding the wooden piece, making it difficult for it to be transmitted to the adjacent wooden piece. Therefore, compared to a soundproof flooring material in which wooden pieces are spread tightly over the sheet surface, sound is less likely to be transmitted in the lateral direction, and the sound absorption effect is higher. Even if the dimensions of the wooden pieces change, the sheet portion between the wooden pieces expands and contracts to absorb the change in the dimensions of the wooden pieces, so the wooden pieces do not push up or a gap occurs between the wooden pieces and the sheet. do not. In addition, since there are gaps between the wooden pieces that serve as joints from the beginning, even if the dimensions of the wooden pieces change, the dimensional changes are absorbed by the gaps, so the aesthetic appearance of the floor is not impaired. . The wooden piece is
Since it is embedded in the sheet, the contact area between the wood piece and the sheet is larger than if it were just glued to the sheet surface. Therefore, it is difficult to peel off from the sheet. By appropriately determining the spacing and protruding height of the wooden pieces, it is possible to eliminate problems such as those caused by people tripping on the edges of the wooden pieces, even if the heights of the wooden pieces are slightly different. It is. On the other hand, if there are no gaps between the wooden pieces, as with conventional soundproof flooring, and the heights of the wooden pieces are different, problems such as those caused by people tripping on the protruding parts of the wooden pieces may occur. There are many. The soundproof flooring material according to this example does not require nailing and can be fixed to the floor base with adhesive, so it is easy to install.

Furthermore, the soundproof flooring material according to this example has a third
As shown in the figure, on the end face of the embedded part of each wooden piece 2b, the wooden piece 2b-2b of the same part
Notches 3 are provided to increase the spacing. This notch 3 is cut out so that it always has the same depth throughout the top and bottom. 4 in the figure is the concrete that will serve as the base of the floor. Due to the material of the sheet, if the interval between the wooden pieces is set small, such as 1.0 to 3.0 mm, if the sheet is bent between the wooden pieces, the bond with the wooden pieces may come undone and the wooden pieces may peel off. However, in the soundproof flooring material according to this embodiment, as described above, notches are provided on the end faces of the embedded parts of each wooden piece to increase the distance between the wooden pieces in the same part, so the sheet between the wooden pieces is The longer the width, the higher the tensile strength of the sheet applied to the joint surface with the wooden piece when the sheet is bent. Therefore, the wooden piece becomes more difficult to peel off from the sheet.
Additionally, the sheet is less likely to bend between the wooden pieces.

FIG. 4 shows another embodiment of the soundproof flooring material according to this invention. As shown in the figure, this soundproof flooring material 5 has a predetermined number of wooden pieces 5b embedded in a sheet 5a made of a sound-absorbing material, spaced apart from each other and with the front side protruding. Integrated joint. Therefore, similar to the first embodiment, effects such as a high sound absorption effect, no pushing up of the wooden pieces, no deterioration of the aesthetic appearance of the floor surface, and easy construction are brought about.
As the sound absorbing material, for example, soft rubber such as silicone rubber, soft plastics, and others are used. When using soft rubber or soft plastic, it is preferable to use one with a hardness (shore hardness) of 10 to 70°. The wooden piece may be a single piece, but plywood, a substrate made of plywood, and an artificial decorative veneer or a natural decorative veneer bonded to each other are used.

Furthermore, the soundproof flooring material according to this example has a fourth
As shown in the figure, on the end face of the embedded part of each wooden piece 5b, the wooden piece 5b-5b of the same part
Notches 6 are provided to increase the spacing. Therefore, similar to the first embodiment, the wooden pieces 5b... are less likely to peel off from the sheet 5a, and the wooden pieces 5b are less likely to bend between them. The notch 6 is wedge-shaped so that it is deepest at the center in the thickness direction of the end face of each wooden piece 5b. Therefore, since the contact area of each wooden piece 5b with the sheet 5a increases,
The sound absorption effect is further improved. In the figure, 4 is the concrete that will serve as the base of the floor.

In the soundproof flooring material according to this invention, there is no particular restriction on the shape of the notch formed on the end face of the embedded portion of the wooden piece. The notch may be provided over the entire length in the width direction of the end face, or may be provided only in a part of the width direction, or may be provided intermittently in the width direction.

The interval between the wooden pieces formed by the notches is preferably in the range of about 5 to 10 mm, but is not limited to this range.

As for the wood pieces, it is recommended to use reinforced wood (WPC), which is impregnated with monomers and then chemically polymerized using radiation or catalysts to strengthen them with resin. preferable. This is because properties such as strength, dimensional stability, weather resistance, and corrosion resistance of the wood piece are improved. The thickness of the sheet is preferably 3.0 to 20.0 mm, considering the sound absorption effect, the feeling of walking, and the ability to absorb some irregularities in the subfloor, and the thickness of the wooden piece is preferably 1 to 20 mm. preferable. The size of the sheet and the wooden pieces, and the number of wooden pieces to be joined to the sheet are determined as appropriate depending on the installation location, etc. For example, the sheet is 180cm x 180cm square, and the wooden piece is 10cm x 10cm square.

The soundproof flooring material according to this invention is produced by, for example, pouring liquid sound-absorbing material into a mold, then embedding a predetermined number of wooden pieces at intervals and with the front side protruding, and then hardening the sound-absorbing material. It can be made by A large number of wooden pieces may be arranged in a predetermined manner by fitting the back sides of the wooden pieces into a mold, and the sound absorbing material may be poured into the back side of the wooden pieces and allowed to harden. Instead of pouring the sound-absorbing material into a mold, it may be poured directly onto the subfloor, and the wood pieces may be placed over it.

Note that if a wooden piece made by bonding and integrating a substrate made of plywood or the like and a decorative veneer with a wood grain pattern reinforced by resin is used for the soundproof flooring material according to this invention, the wood grain pattern will appear on the floor surface. You will be able to allocate

When wood is sliced into rings to create wood pieces with a butt end pattern, the wood fibers are cut into short pieces, making them extremely susceptible to cracking, chipping, warping, etc. when dried. If the thickness is about 1.0 to 10.0 mm, it will be so thin that cracks will easily occur. Therefore, it is difficult to use such wood pieces for the soundproof flooring material according to this invention.
However, as mentioned above, when decorative veneer with a wood edge pattern is reinforced with resin, it may crack, chip, or warp.
Since it is less likely to cause scratches and has good water resistance, it can be used as a soundproof flooring material.

For example, the wooden piece can be made as follows. First, a veneer is made by slicing broad-leaved trees such as oak, oak, bamboo, and lauan, coniferous trees such as pine, ash, fir, and cypress, and other logs and square timbers. Thickness is 1.0~10.0mm
It is preferable that Next, the veneer is impregnated with a thermosetting resin such as polyester resin, melamine resin, or phenol resin by vacuum pressure impregnation. The amount of impregnation is preferably 100 to 120%. After that, the veneer is adhered to a substrate such as plywood, and the impregnated resin is cured. After adhering the veneer to the substrate, it may be integrally molded with the sound absorbing material and the impregnated resin may be cured. It is preferable to use plywood as the substrate. This is because plywood usually has rough conduits, which improves the bonding (adhesion) of the wooden piece to the sound absorbing material.

In the embodiment, the square wooden pieces are arranged parallel to the sheet, but this does not necessarily have to be the case. As shown in Fig. 5, rectangular wooden pieces 8 may be placed on the sheet 7, or small chip-shaped wooden pieces may be embedded in the sheet with a portion exposed and joined. It may be as if they are integrated.

The soundproof flooring material according to this invention can also be used as wall material, ceiling material, etc.

[Effect of idea]

The soundproof flooring material according to this invention has a predetermined number of wooden pieces embedded in a sheet made of a sound-absorbing material at intervals and with the front side protruding, and are integrally joined together inseparably. This is a soundproof flooring material, and notches are provided on the end surfaces of the embedded parts of the wooden pieces to increase the distance between the wooden pieces in the same part, so the soundproofing effect is large, the wooden pieces are difficult to peel off from the sheet, and the wooden pieces do not stretch. Even if it shrinks, the wooden pieces will not push up or the aesthetic appearance of the floor will be damaged.In addition, the wooden pieces will not easily peel off from the sheet, and the sheet will not bend easily between the wooden pieces. It brings about an effect.

In particular, with this invention, the wooden piece is integrally bonded to the sound-absorbing sheet in an inseparable manner, so compared to the case where the wooden piece is removably attached to the sound-absorbing sheet, the wooden piece does not move or float. You can more reliably prevent the top from dripping.

This is because when soundproof flooring materials are used for a long period of time, the entire construction surface inevitably shifts or deforms. If the wooden piece and the sound-absorbing material sheet are removable, the wooden piece and the sound-absorbing material sheet can be moved relative to each other, so there may be gaps between the wooden piece and the sound-absorbing material sheet, or individual parts may be separated from the sound-absorbing material sheet. The wooden pieces may move apart, and there is a possibility that the arrangement of the wooden pieces may be misaligned or some of the wooden pieces may be lifted up on the construction surface. Also,
If there is a gap between the sound absorbing material sheet and the wooden piece,
It is also possible that the soundproofing performance deteriorates or that the wooden pieces rattle, causing more noise.

However, if the wooden piece is inseparably joined and integrated with the sound-absorbing sheet as in this invention, a gap may be created between the wooden piece and the sound-absorbing sheet.
There is no need to worry about the individual wooden pieces moving separately from the sound-absorbing material sheet or lifting up, and a good finish can be maintained over a long period of time. Furthermore, if the wooden piece and the sound-absorbing material sheet are reliably joined and integrated, good soundproofing performance can be achieved, and the wooden piece will not cause noise.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a conventional soundproof flooring material laid down, Fig. 2 is a perspective view of one embodiment of the soundproof flooring material according to this invention, and Fig. 3 is a longitudinal section of a part of the same soundproof flooring material. 4 is a longitudinal sectional view of a part of another embodiment of the soundproof flooring material according to this invention, and FIG. 5 is a plan view of still another embodiment of the soundproofing flooring material according to this invention. 2, 5...Soundproof flooring material, 2a, 5a, 7...Sheet, 2b, 5b, 8...Wood piece, 3,6...
Notch.

Claims (1)

[Claims for Utility Model Registration] (1) Sheets made of sound absorbing material are spaced apart from each other and the front side portions are made to protrude,
A soundproofing flooring material in which a predetermined number of wooden pieces are embedded and integrally joined together in an inseparable manner, in which notches are provided at the end faces of the embedded parts of the wooden pieces to increase the distance between the wooden pieces in the same part. flooring. (2) The soundproof flooring material according to claim 1, wherein the cutouts are cut out so that the depth is always the same throughout the top and bottom. (3) Utility model registration claim No. 1 in which the cutout is wedge-shaped so that it is deepest at the center of the end face of the wooden piece in the thickness direction.
Soundproof flooring materials as described in section.