JP2003213903A - Plate material for floor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plate material for use in floors of a detached house, an apartment house and the like, which facilitates execution of work and allows some of the plate materials to be easily replaced after the execution of the work. <P>SOLUTION: A joint 120 is formed at one long side end of a surface 10 of the plate material 1 for the floor in such a manner as to protrude in the direction of a plate width with respect to a product effective width of the plate material 1 and continue in a longitudinal direction; a backside part of the joint 120 serves as a surface which continues into a backside 11 of a plate material body 1; and in a surface part, a first recessed groove 12 is provided inside a position of half of thickness from the end. A joint 130 at the other end is formed on the backside 11 of the product effective width of the plate material 1, and a second recessed groove 13 is provided inside a position of half of thickness from the end. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor board used for a floor of a detached house, a condominium, etc., which is easy to install and can be partly replaced after the board is installed. It is about.

[0002]

[Background of the Invention] Conventionally, in the construction of a floor plate material, for example, a concave groove is formed on a side surface of each plate material, a coupling member is inserted into the concave groove, and the coupling member is inserted into a concave groove of an adjacent plate material. Then, a method of connecting the board members using adhesive etc.,
Alternatively, a plate member having a tie joint structure on the side surface as shown in the cross-sectional view of FIG.
It was carried out by a method of connecting the two by fitting them with each other.

As described above, in the conventional construction method, the concave groove or the convex portion 51 and the concave portion 52 of the pit joint are used for temporary fixing,
It was based on the method of using an adhesive. Therefore, it is necessary to apply an adhesive and fit the side surfaces of the plate members together, and not only is the connecting work of the plate members complicated and difficult, but also after the plate member for the floor is installed, one plate member at an arbitrary position can be attached. It was extremely difficult or impossible to remove or to fit after removing. Therefore, even if dirt or damage occurs on one plate material, it is not necessary to replace only this plate material, and it is necessary to either replace it entirely or perform repairs to make dirt and damage as inconspicuous as possible. .

Recently, from the viewpoint of protecting global resources and from the viewpoint of workability, the whole plate material can be easily installed, and after the installation, part of the plate material is damaged or partially soiled. In this case, there is an increasing demand for partial replacement of the plate material instead of complete replacement of the plate material.

[0005]

OBJECT OF THE INVENTION The present invention has the following advantages:
An object of the present invention is to provide a floor board material that can be easily installed without using an adhesive, a joining member, or the like, and can be partially replaced after the installation.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, a floor board of the present invention comprises [1] a board body having a joining structure at both ends in the longitudinal direction and having a design surface material attached to the front side. In the floor board, the joint structure at one end is formed continuously in the length direction so as to protrude from the product effective width of the board and has a thickness of 1/4 to 3/4 of the thickness of the board body. ,
The back surface of the joining structure is a surface continuous with the plate body, and the front surface has a concave groove inside the position 1/2 of the end of the joining structure. The width of the groove is 1/2, and the depth of the groove is 1/2 to 2/3 of the thickness of the joint structure portion.
The joining structure portion at the other end is formed on the back surface of the product effective width of the plate material, has a thickness of 1/4 to 3/4 of the thickness of the plate material body, and is located inside the position 1/2 from the end portion. The concave groove has a width of 1/2 of the joint structure, and the depth of the groove is 1/2 to 2/3 of the thickness of the joint structure portion. The joining structure portion at one end and the joining structure portion at the other end can be fitted to each other.

In order to achieve the above object, the floor plate material of the present invention is [2] (1) a plate material having a joining structure at both ends in the longitudinal direction and having a design face material adhered to the front side. In the floor board material consisting of the main body, the joint structure part at both ends is
It is formed continuously in the longitudinal direction so as to protrude from the product effective width of the plate material and has a thickness of 1/4 to 3/4 of the thickness of the plate material main body, and the back surface part of the joint structure is continuous with the plate material main body. The surface has a concave groove inside the position ½ of the end of the joint structure, and the concave groove is 1/3 of the joint structure.
2 and the depth of the groove is 1/2 of the thickness of the bonded structure.
A floor board material characterized in that
(2) In a floor plate made of a plate body having a joining structure at both ends in the longitudinal direction and having a design face material adhered to the front side, the joining structure portions at both ends are provided on the back surface of the product effective width of the plate member. Is formed, has a thickness of 1/4 to 3/4 of the thickness of the plate body, and has a concave groove inside the position of 1/2 from the end,
The recessed groove has a width of 1/2 of the joint structure, and the depth of the groove is 1/2 to 2/3 of the thickness of the joint structure portion. It is characterized by being constructed by alternately using (1) and (2). When these two types of plate materials are used, both plate materials may have the same width, or one plate material may have a width smaller than the other plate material.

The product effective width of the plate material in the present invention means a portion that appears as the width of one plate material that actually appears on the floor surface when the plate material of the present invention is applied to a floor, and a joint protruding from there. The structure part (hereinafter also referred to as the joint part) is
It is fitted with a joint formed on the back surface of the other effective width of the product and is present under the adjacent plate material.

In the present invention, the thickness of each joint is 1/4 to 3/4 of the thickness of the plate body, preferably 1/3/4.
3 to 2/3. If the thickness is less than 1/4 of the thickness of the plate body, the strength of the joint becomes insufficient and there is a risk of damage during transportation, construction, or use after construction. The depth of the recessed groove portion formed in 2 cannot be sufficiently secured, the fitting of the joint portions to each other becomes insufficient, and there is a risk that the plate material will rise after the construction. If the depth of the concave groove portion is sufficiently secured, the thickness of the bottom surface portion of the concave groove portion becomes insufficient, and there is a risk of damage during transportation, construction, or use after construction.

The depth of the concave groove in the joint is set to 1/2 to 2/3 of the thickness of the joint. If the thickness of the joint is less than 1/2, the depth of the concave groove portion cannot be sufficiently secured, the fitting of the joints with each other becomes insufficient, and there is a risk that the plate material will rise after the construction. If the depth is more than 2/3, the thickness of the bottom surface of the concave groove portion becomes insufficient, and there is a risk of damage during transportation, construction, or use after construction.

In the present invention, the width of each joint is preferably about 1.0 to 5.0 cm. 1.0c
If it is less than m, it becomes unstable only by this joint structure,
There is a possibility that the fitting of the joint portion of the plate material may be disengaged, the joint portion itself may be damaged, and the plate material may float. If it exceeds 5.0 cm, there is no problem in the strength of the joint structure, but the width of the whole plate material with respect to the product effective width becomes wider, resulting in higher costs and deterioration of transportability and workability.

Further, in order to absorb the unevenness of the floor construction surface or to reduce the sound of falling objects, walking noises, etc., the floor board material of the present invention has a polyurethane foam on the back surface in the same manner as a normal floor material. A synthetic resin foam such as polyethylene foam, a cushioning material made of a rubber sheet, a non-woven fabric or the like, or a cushioning material having a laminated structure thereof is laminated and used. Alternatively, these cushioning materials may be preliminarily applied on the construction surface of the floor, and the floor plate material of the present invention may be applied thereon. Lamination of the cushioning material on the back surface is generally performed using an adhesive, an adhesive tape, or the like suitable for the cushioning material.
Further, the cushioning material is preferably laminated on the entire back surface of the floor plate material of the present invention, but is laminated on the back surface of the product effective width of the plate material, not laminated on the joint portion, but on the rear surface formed to project. They may be laminated, and by laminating in this way, the joining portions can be smoothly fitted to each other, and the cushioning material can be constructed in a state where the cushioning material is not missing on the entire construction surface.

As the plate material main body used for the floor plate material of the present invention, use is made of a material which is used as a normal floor plate material, for example, general wood, plywood, synthetic wood, synthetic resin plate or the like. You can The thickness of these plate materials may be the same as that of a normal floor material, and is, for example, about 0.5 to 5.0 cm. In addition, paper, synthetic resin-impregnated paper, synthetic resin film laminated paper, synthetic resin on the back surface of the plate body for the purpose of improving water resistance, preventing distortion of the plate body, smoothness, improving adhesiveness with cushioning material, etc. Sheets such as the above may be laminated as the back surface material.

As the design face material to be attached to the front side of the plate-shaped main body, those used for ordinary floor materials can be used.
Thin paper, titanium paper, fibrous non-woven fabric, etc. printed with a design such as wood grain; melamine resin as a base material
Decorative paper coated with unsaturated polyester resin, epoxy resin, or copolymer resin of these, impregnated and dried and cured by heating or irradiation with ultraviolet rays; polyester resin, polyethylene resin, polypropylene resin, EVA, vinyl chloride resin Alternatively, a decorative film obtained by printing a design such as wood grain on a sheet composed of these copolymer resins; and the like can be used. Further, if necessary, an uneven design may be formed on the surface of these decorative papers or decorative films by means of embossing or the like. Furthermore, on the decorative surface of these decorative papers and decorative films, scratch resistance, antifouling property, water resistance, chemical resistance, dent resistance due to local weighting, etc. to impart or improve cigarette fire resistance, in order to improve, A transparent or translucent synthetic resin layer may be provided. Incidentally, the above-mentioned design face material, in order to improve the water resistance of the side surface portion of the plate material main body, in the range not hindering the fitting of the joints, not only the product effective width portion of the plate material surface,
You may adhere so that the side surface part of an edge part of a longitudinal direction may be covered.
Thereby, when water or the like is spilled on the floor on which the floor plate material of the present invention is constructed, even if water or the like enters the gap between the plate materials, the influence on the plate body can be reduced.

[0015]

1 is a schematic cross-sectional view showing an embodiment of a floor plate material of [1] of the present invention, in which 1 is the plate material, and the surface of the plate material 1 is shown. A joint portion 120 is formed at one end of one long side of the member 10 so as to project in the plate width direction from the product effective width of the plate material and continuously in the length direction.
The joint portion 120 is composed of a concave groove portion and a ridge portion, and has an inverted L-shape in a sectional view. The thickness of the joint 120 (α,
β) is 1/4 to 3/4, preferably 1/3 to 2/3 of the thickness of the plate body 1. The back surface of the joint portion 120 is a surface continuous with the back surface 11 of the plate body 1, and the front surface is provided with a concave first groove 12 inside from a position ½ from the end. There is. The width of the first groove 12 is equal to the width of the joint portion 1.
The width (1/2) of 20 and the depth (d1, d2) is equal to that of the joint 12
It is 1/2 to 2/3 of the thickness of 0.

In FIG. 1, α is the length from the back surface of the plate body 1 to the bottom surface of the concave groove (12), β is the length from the top surface of the ridge, and d2 is the bottom surface of the plate material from the concave groove. Up to, and d1 is the length up to the upper surface of the ridge. If α + d1 = β + d2, α = d1
(Β = d2) is not necessary, and α is 1/4 to 1/3
The degree is enough. The concave groove width and the ridge width are each preferably about 1 to 5 cm, and the ridge width is the same as or smaller than the concave groove width.

The joining portion 130 at the other end is formed on the back surface 11 of the plate material 1 having the product effective width, and the thickness (α, β) thereof is 1/4 to 3/4 of the thickness of the plate body 1, preferably. 1/3 to 2 /
3 and the second concave shape that is concave inward from the position ½ from the end
Groove 13 is provided. The width of the second groove 13 is 1/2 of the width of the joint 130, and the depth (d1, d2) is 1/2 to 2/3 of the thickness of the joint 130.

Then, the first groove 12 and the second groove 1
As shown in the schematic cross-sectional view of FIG. 2, the reference numeral 3 refers to the first groove 12 of one plate 1 and the other plate 1'when connecting the floor plates 1 and 1'having the same structure. Second groove 1
3'is adapted so that the joint portion 120 of one plate material 1 and the joint portion 130 of another plate material 1'are fitted and connected (these joint portions 12
(0, 130 concave grooves <12, 13 '> and ridges are respectively fitted in the vertical direction <plate thickness direction>, and are fitted and connected)
Is configured to. Further, on the back surfaces 11 and 11 ′ of the plate materials 1 and 1 ′, cushioning materials F and F ′ made of a synthetic resin foam are formed at the product effective width portion of the plate material and the joint portion 120.
Is not laminated on the joint portion 130.

In FIG. 1, the plate material 1 is a core material 10.
0, a design surface material 101, and a back surface material 102. The core material 100 is made of synthetic resin powder, small pieces or powders of a cellulosic material such as waste paper or wood powder, and an epoxy adhesive. The surface material for design 101 is a melamine resin-impregnated decorative paper, and the back surface material 102 is a melamine resin-impregnated paper, which is a molded body or an aggregate of synthetic resin particles obtained by compressing the mixture containing the resin. Further, in this example, as shown in FIG. 1, the design surface material 101 covers the end side surfaces 12x and 14x of the first groove 12 which are continuous with the surface 10 (product effective width) of the plate material 1. It is extended. As for the dimensions of the plate material 1 in this example, the product effective width is 295 mm, the plate thickness is 12 mm, and the length is 182.
0 mm, the width of the concave grooves (12, 13) is 10 mm, the groove depth is 6 mm from the surface of the plate material 1, and the thickness of the cushioning materials F and F ′ is 3 mm.

In FIG. 2, the plate materials 1 having the same product effective width are
Although the 1's are connected and laid, the present invention is not limited to this, and plate members having different product effective widths may be appropriately combined and arranged to be connected and laid.

FIG. 3 (A) is a schematic cross-sectional view showing an embodiment of the floor plate material of [2] (1) of the present invention. In the figure, 2a is the plate material, and this plate material 2a At both ends on the long side of the front surface 20a, the joint portion 24a has an L-shaped cross section and the joint portion 25a has an inverted L-shaped cross section continuously protruding in the plate width direction from the product effective width of the plate material 1 and continuously in the length direction. The thickness (α, β) of the joint portions 24a, 25a is 1/4 to 3/4, preferably 1/3 to 2 of the thickness of the plate material body 1.
/ 3. The back surface 21a of the joint portions 24a and 25a is a surface that is continuous with the plate body 2a, and the front surface 20a has a first groove that is concave inward from the position 1/2 of the end portion of the joint portions 24a and 25a. 22 and 22 are provided. The width of the first grooves 22 and 22 is 1/2 of the width of the joint portions 24a and 25a, and the depth (d1, d2) is the joint portions 24a and 25a.
It is 1/2 to 2/3 of the thickness of a. A cushioning material Fa is laminated on the entire back surface 21a.

FIG. 3B is a schematic sectional view showing an embodiment of the floor plate material of [2] and (2) of the present invention. In the figure, 2b is the plate material, and this plate material 2b On the back surface 21b of the product effective width, joint portions 24b and 25b having concave grooves open vertically are formed at both ends on the long side, and the thicknesses (α, β) of the joint portions 24b and 25b are the same as those of the plate body 1. The thickness is 1/4 to 3/4, preferably 1/3 to 2/3. The plate material 2b is a plate material having the back surface side of the plate material 2a shown in FIG. Second concave grooves 23, 23 are provided on the inner side of a position ½ of the ends of the joints 24b, 25b. The width of the second grooves 23, 23 is equal to that of the joint portion 24.
The width (b1, 25b) is 1/2 and the depth (d1, d2) is 1 / 2-2 / 3 of the thickness of the joint portions 24b, 25b. In addition, the portion of the back surface 21b excluding the joint portions 24b and 25b min
The cushioning material Fb is laminated on.

Then, when connecting the plate materials 2a and 2b, as shown in FIG. 4, one first groove 22 of the plate material 2a and one second groove 23 of the plate material 2b are fitted to each other. Thus, the joint portion 24a of the one plate member 2a and the joint portion 25b of the other plate member 2b are fitted together.

In FIGS. 3A and 3B, the plate members 2a and 2b are the same as the floor plate member 1 of [1] above.
It is composed of a core material 100, a design surface material 101, and a back surface material 102. These core material 100 and design surface material 1
01 and the back surface material 102 are the same materials as the floor board material 1 of the above [1]. When laying the plate materials 2a and 2b, the plate material 2
The a and the plate member 2b are alternately arranged, and like the case of FIG. 2, the respective grooves are fitted and the respective joint portions are fitted and connected.
In addition, in this example, as shown in FIG. 3 (A), the plate material 2 a includes the design surface material 101 and the plate material 2 of the first grooves 22 and 22.
The side surfaces 22x and 22 following the surface 20a (effective product width) of a.
x is extended so as to cover x, and the plate member 2b has the design surface member 101 as shown in FIG. 3 (B).
Sides 24x and 25x following the surface 20b (effective product width) of the
It is extended so as to cover and.

FIG. 5 (A) is a perspective view of the floor board 2a constructed as described above as seen from the front side.
(B) is a perspective view of the floor plate member 2b configured as described above as viewed from the back side, and in the present example, these plate members 2b
Short side edges 26a, 27a, 26b, 27b of a and 2b
Although not shown, has a conventional tie joint structure. In addition, in FIG. 5B, for convenience of description, the plate member 2
Illustration of the cushioning material (Fb in FIG. 3B) attached to the back surface 21b of b is omitted.

FIG. 6 is a perspective view showing a connection mode of the one plate member 2a and the other plate member 2b shown in FIG. 4 with the positions of the plate members 2a and 2b being shifted, and FIGS. The same reference numerals indicate the same parts as in FIGS. In FIG. 6, cushioning materials (Fa and Fb in FIG. 4) not shown in the figure are attached to the back surfaces 21a and 21b of the plate materials 2a and 2b. As shown in FIG. 6, one plate member 2a is replaced with the plate member 2a.
The cushioning material (not shown) attached to the back surface 21a of the plate is placed in contact with the floor surface of the building, and the other plate material 2b is similarly placed in contact with the cushioning material (not shown) on the floor surface. The groove 22 of No. 1 and the second groove 23 of the plate member 2b are matched with each other to fit the joint portion 24a and the joint portion 25b.

4 to 6, one plate member 2a and the other plate member 2b are shown to have the same size, but one of the plate member 2a and the other plate member 2b has a narrow width. Alternatively, the plate material 2b may be narrow (for convenience, the plate material 2b may be narrow), and the wide plate material 2a and the narrow plate material 2b may be alternately connected and laid.

In the present invention described above, as a floor plate material, a powder obtained by crushing a synthetic resin such as hard urethane foam, a small piece of a cellulosic material, or a compression molded body containing the powder and an adhesive is used as a core material. When using the core material with the front and back surfaces attached, it is possible to use waste materials such as rigid urethane foam and waste materials of cellulosic material such as waste paper or wood chips. In addition to being extremely effective for protection, the floor material of the present invention is also used again after the floor material of the present invention has been used for a long period of time or the waste material such as the plate material that has been replaced due to contamination or damage. It can be recycled as a board material. Moreover, since this floor plate material has excellent durability, it can be used in a good floor condition for a long period of time.

In addition, when the design surface material to be attached to the above surface is extended so as to cover not only the product effective width portion of the surface but also the end side surface portion, the floor plate material of the present invention. After connecting and laying, even if liquid such as water spills on the floor surface, it is possible to prevent water and the like from entering the core,
Chamfering of the core material can be omitted.

When a cushioning material is laminated on the back surface of the floor plate material, it is possible to prevent sound due to various impacts on the floor from being transmitted to the lower floor and to absorb the unevenness of the building floor surface. can do.

[0031]

As described above, according to the present invention, a plurality of floor board members are fitted with the concave first groove and the second groove groove so that the plurality of floor board members have practical strength. The plate materials can be connected, and the use of adhesives or nails can be omitted when connecting the plate materials. Moreover, the matching of the grooves can be performed by a simple operation such as a sliding method from the end portion on the short side of the plate material or a fitting method in the vertical direction. As a result of these, when replacing one plate material at an arbitrary place after laying, it can be carried out by an extremely easy work.

Further, in the case of the floor plate material of [2] (1) and (2) of the present invention, the width of the plate material provided with the first groove of (1) and the second groove of (2) are provided. Since the width of the plate material can be different, and the narrow plate material can be used as a joint member of the wide plate material, not only can the connection laying be further facilitated but also the wide width can be achieved. It is possible to obtain the versatility of the floor design by using both the plate material and the narrow plate material.

[Brief description of drawings]

FIG. 1 is a schematic sectional view showing an embodiment of a floor plate material of [1] of the present invention.

FIG. 2 shows a connection mode when a plurality of the plate materials of FIG. 1 are connected and laid.

FIG. 3 is a schematic cross-sectional view showing an embodiment of a floor plate material according to [2] of the present invention, (A) showing the structure of the plate material of (2) and (1), and (B) showing [2] ( The structure of the plate material of 2) is shown.

FIG. 4 shows a connection mode when the plate material of (1) and the plate material of (2) shown in FIGS. 3A and 3B are connected and laid.

5A is a perspective view of the floor board shown in FIG. 3A viewed from the front side, and FIG. 5B is a perspective view of the floor board shown in FIG. 3B viewed from the back side. is there.

FIG. 6 is a perspective view showing a connection mode of the plate material of (1) and the plate material of (2) shown in FIG. 4 with the positions of the plate material of (1) and the plate material of (2) being displaced from each other, as seen from the front surface side; is there.

FIG. 7 is a cross-sectional view showing a conventional tie joint structure for a floor plate material.

[Explanation of symbols]

1, 1 ', 2a, 2b Floor plate material 10, 20a, 20b Front surface of plate material 11, 21a, 21b Back surface of plate material 12, 12', 18, 22 First groove 13, 13 ', 19, 23 Second Grooves F, F ', Fa, Fb Buffer material 100 Floor board core material 101 Floor board design surface material 102 Floor board back surface material 14, 14', 15, 15 'Long side of floor board material Edges 16 and 17 Edges on the short side of the floor plate

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kenro Hattori             300-15 Ukimachi, Moriyama City, Shiga Prefecture             Zon Moriyama 4-926

Claims (3)

[Claims] 1. A floor board comprising a board body having a joining structure at both ends in the longitudinal direction and having a surface material for design adhered to the front side, wherein the joining structure portion at one end protrudes from the product effective width of the board. Is formed continuously in the length direction, and is 1 of the thickness of the plate material body.
/ 4 to 3/4 in thickness, the back surface of the joining structure is a surface continuous with the plate material main body, and the front surface portion has a concave groove inward from a position 1/2 of the end of the joining structure. And the concave groove has a width of ½ of the joint structure, the depth of the groove is ½ to ⅔ of the thickness of the joint structure portion, and the other end of the joint structure portion is of the plate material. Formed on the back surface of the product effective width, consisting of a thickness of 1/4 to 3/4 of the thickness of the plate body,
There is a concave groove inside the position ½ from the end, and the concave groove has a width of ½ of the joint structure, and the depth of the groove is ½ to ½ of the thickness of the joint structure portion. 3, the floor plate member is characterized in that the joint structure portion at one end and the joint structure portion at the other end of the adjacent floor plate members can be fitted to each other. 2. A floor board made of a board body having a joining structure at both ends in the longitudinal direction and having a design face material adhered to the front side, wherein the joining structures at both ends have a product effective width of the board. It is more protruding and is formed continuously in the length direction, and has a thickness of 1/4 to 3/4 of the thickness of the plate material main body, and the back surface of the joint structure is a surface continuous with the plate material main body. In addition, the surface portion has a concave groove inside a position ½ of the end of the joining structure, the concave groove has a width of ½ of the joining structure, and the depth of the groove is A floor plate material having a thickness of 1/2 to 2/3. 3. A floor board comprising a board main body having a joining structure at both ends in the longitudinal direction and having a surface material for design adhered to the front side, wherein the joining structures at both ends have a product effective width of the board. It is formed on the back surface and has a thickness of 1/4 to 3/4 of the thickness of the plate material main body, and has a concave groove inside the position of 1/2 from the end, and the concave groove is 1/3 of the joining structure. A floor plate material having a width of 2 and the depth of the groove is 1/2 to 2/3 of the thickness of the joint structure portion.