JPH08135147A - Composite floor material - Google Patents

Abstract

PURPOSE: To fit and remove a tile easily by boring a large number of small holes in the base part of a resin mat, providing the lower face of the tile protrusively with pins, and fitting these pins into the small holes to form composite floor material. CONSTITUTION: A large number of vertically piercing small holes 14 are disposed in a long batten plate like flexible resin mat 11 with a sheet like base part 12, and supporting leg parts 17 are protrusively provided at the lower face of the base part 12. Four pins 15 made of metal are protruded from the lower face of a square plate like tile 30 formed of ceramic, plastic, or the like. This tile 30 is placed on the base part 12 of the resin mat 11, and four pins 15 protrusively provided at the lower face of the tile 30 are fitted into the small holes 14 formed at the base part 12 to integrate the tile 30 with the resin mat 11. The tile floor face can thereby be constructed easily only by placing the tile from above.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor-standing composite flooring material in which a tread board such as a plurality of tiles is joined to the upper surface of a resin mat so that the floor surface of the tread board can be constructed by a simple operation. The present invention relates to a composite floor material suitable as a floor material for a balcony or a floor material for an entrance.

[0002]

2. Description of the Related Art When a tile floor surface such as a balcony or an entrance is to be constructed, the wet method requires a professional craftsman and cannot be constructed by anyone. Therefore, there is provided a composite flooring material capable of easily constructing a tile floor surface by a dry method. As a stationary floor type composite floor material of this type, a material disclosed in Japanese Utility Model Laid-Open No. 3-68254 is conventionally known. This composite flooring material is formed by joining tiles to the upper surface of each tile laying portion of a resin mat having a plurality of tile laying portions arranged in a grid pattern.

FIG. 12 is a plan view of a conventional composite floor material 1 described in the above publication, FIG. 13 is a plan view of a resin mat 2 used in the composite floor material 1, and FIG. It is an exploded perspective view showing the important section of the same composite flooring material 1.

The resin mat 2 has a square substrate portion 3 formed in a grid pattern, and nine tile laying portions 4 are formed on the upper surface of the substrate portion 3 in vertical and horizontal directions to form a recess. The square tiles 5 are placed on the upper surface of each tile laying portion 4. Further, the partition walls 6 that define each tile laying portion 4 are provided with projecting tile holding pieces 7 having elasticity at four corners, and the tile holding pieces 7 allow the tiles 5 accommodated in the tile laying portion 4 to be accommodated. The tile 5 is fixed to the resin mat 2 by pressing the four corners.
Further, the hook portion 8 is provided on two adjacent sides of the resin mat 2, and the engaging portion 9 with which the hook portion 8 engages is provided on the remaining two sides. The hook portion 8 and the engaging portion 9 fulfill the function of connecting the resin mats 2 of the adjacent composite floor materials 1 when a plurality of composite floor materials 1 are laid. In addition, the back surface (lower surface) of the resin mat 2 is provided with a support leg portion 3a including a protrusion or a protrusion. The support legs 3a are for securing a space for circulating rainwater or the like between the composite floor material 1 and the floor base surface on which the composite floor material 1 is placed.

In the above composite floor material 1, the tile 5 is fixed to the resin mat 2 by the tile holding piece 7 provided on the partition wall 6, but as another example, the partition wall is provided with an oblique downward elasticity. A projecting flange piece that is provided to support the side portion of the tile with this flange piece (Japanese Utility Model Publication No. 4-7205, etc.),
Affixing the tile to the resin mat with an adhesive (Actual Kaihei 6
No. 14344, Japanese Utility Model Publication No. 3-32561, etc.), and when the tile is a wooden brick, those that fix the brick with screws from below (Japanese Patent Laid-Open No. 4-85401, etc.) are known.

[0006]

By the way, in the conventional composite floor covering, tiles are joined by using a holding piece or a collar piece formed on a resin mat, or by using an adhesive,
Since they are fixed with screws from below, they have the following problems. That is, if the tile is fixed with a holding piece or a brim piece formed on the resin mat, the tile can be easily attached / detached, but since the holding piece or the brim piece must be molded on the resin mat, the structure of the resin mat Is complicated and the manufacturing cost is increased. Further, since a partition wall on which a holding piece or a flange piece is provided is always required, it is impossible to arrange tiles ignoring the partition wall, and the degree of freedom in arranging tiles is limited by the tile holding structure. There was a problem.

Further, in the case of joining using an adhesive,
The joining work is very troublesome, and once glued,
Since the tiles cannot be removed freely, there is an inconvenience that the user at the end has little freedom to install the tiles while devising the arrangement of the tiles. Also, if the screws are fixed from below, the installation work is troublesome and
There was also a problem that it was difficult to adopt it for ceramic tiles.

The present invention has been made in view of the above circumstances, and the stepping plate can be easily attached to the resin mat from above, and the stepping plate can be removed, so that the stepping plate can be replaced. It is an object of the present invention to provide a composite flooring material that can be realized in a simple manner and can secure the degree of freedom in arranging a tread, and can be easily applied to a ceramic tile, which has a simple structure and can be realized at low cost.

[0009]

In order to solve the above-mentioned problems, the invention according to claim 1 is a composite comprising a resin mat having a substrate portion and a tread plate joined to the upper surface of the substrate portion of the resin mat. The floor material is characterized in that a large number of small holes are formed in the substrate portion of the resin mat, and pins that can fit into the small holes are provided in a protruding manner on the lower surface of the tread plate.

According to a second aspect of the present invention, in the composite flooring material according to the first aspect, the tread plate has a quadrangular shape, and four pins are arranged at positions corresponding to respective corners of the quadrangular tread plate. It is characterized by that.

According to a third aspect of the present invention, in the composite flooring material according to the first or second aspect, a supporting leg portion is projectingly provided on the lower surface of the substrate portion of the resin mat, and the small hole is provided at the position of the supporting leg portion. It is characterized by being drilled.

According to a fourth aspect of the present invention, in the composite floor covering according to any one of the first to third aspects, the pin projecting on the lower surface of the tread is located at a position slightly closer to the base end than the tip end. ,
It has a large-diameter portion larger than the diameter of the small hole, and further toward the tip side of the large-diameter portion, the diameter becomes smaller from the large-diameter portion toward the tip direction, and the small-diameter end is smaller than the diameter of the small hole. A second taper having a small first taper portion and having a smaller diameter toward the base end side of the large diameter portion in the base end direction from the large diameter portion and contacting the lower surface side peripheral portion of the small hole at the time of fitting. It is characterized by having a taper part.

According to a fifth aspect of the present invention, in the composite flooring material according to any one of the first to fourth aspects, the resin mat is molded as an elongated body, and the tread plate is joined to a large number of substrate parts. It is characterized by being wound in a roll shape during storage.

According to a sixth aspect of the present invention, in the composite floor covering according to any one of the first to fifth aspects, a plurality of the resin mats are arranged adjacent to each other, and the resin mat is placed at a position straddling the adjacent resin mats. A tread plate is provided, and a part of the pins of the tread plate is fitted into a small hole in the base plate portion of the adjacent resin mat, and the remaining number of the pins is set to the other of the adjacent pins. It is characterized in that the resin mats are fitted into the small holes of the substrate portion, and thereby the adjacent resin mats are connected to each other.

[0015]

According to the first aspect of the present invention, the tread plate can be attached to the resin mat by fitting the pin into the small hole formed in the substrate portion of the resin mat. You can remove the tread from the mat. Further, when mounting, the arrangement of the treads, etc. can be freely determined by appropriately selecting the small holes into which the pins are fitted. Moreover, if the treads are arranged so as to straddle a plurality of resin mats, and each pin of the treads is fitted to each resin mat,
A plurality of resin mats can be connected via a tread.

According to the second aspect of the present invention, the four pins at the positions corresponding to the respective corners of the square tread are fitted into the small holes of the base portion of the resin mat, so that the tread can be kept stable. It can be fixed to a resin mat. Further, if two treads are arranged so as to straddle the boundary between two resin mats adjacent to each other and each two pins are fitted into each resin mat, the two composite floor materials are reliably prevented from rotating. Can be connected in a state.

According to the third aspect of the present invention, since the support leg portion is present at the position of the small hole into which the pin on the tread plate side is fitted, the pin is reliably supported by the support leg portion.

According to the fourth aspect of the present invention, when the pin protruding from the lower surface of the tread is pushed into the small hole of the resin mat, the first tapered portion at the tip of the pin comes into contact with the inner edge of the small hole to make the small hole. Enter the inside of the small hole while elastically expanding the diameter of. When the large diameter portion of the pin passes through the elastically expanded small hole, the second tapered portion provided on the base end side of the large diameter portion contacts the lower surface side peripheral edge of the small hole, and By the action of the slope of the taper part,
The pin receives force in the insertion direction. Therefore, in the state where the second tapered portion is in contact with the lower surface side peripheral edge of the small hole, the pin is prevented from coming off and is pressed without rattling. When the pin is pulled out from the small hole, the second tapered portion is pulled up while being in contact with the inner edge of the small hole, thereby expanding the small hole. Therefore, the large diameter part can smoothly pass through the small hole,
The pin can be pulled out from the small hole.

According to the fifth aspect of the present invention, the resin mat can be rolled and stored as a roll in a state where the tread is joined to the resin mat. Therefore, the resin mat is cut out while being unrolled from the roll at the time of use. By doing so, it can be easily laid at the construction site.

Further, in the invention according to claim 6, the resin mat is first laid at the construction site, and the tread plate is arranged thereafter, so that a plurality of resin mats can be connected through the tread plate to form a wide space. It is possible to construct the floor surface of the tread.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a cross-sectional view of a main part of a composite flooring material 10 according to an embodiment of the present invention, FIG. 2 is a bottom view of a tile 30 of the composite flooring material 10, and FIG. 3 is a resin mat 11 of the composite flooring material 10. 4 is a plan view showing the arrangement of the small holes 14 in the resin mat 11, and FIG. 5 is a partial plan view of the composite flooring 10.

This composite flooring material 10 is laid on a flat floor base surface 40 such as concrete, and is a resin mat integrally obtained from a polyolefin material such as polyethylene or polypropylene by three-dimensional extrusion molding. 11 and a plurality of tiles 30 placed on and bonded to each other. The tile 30 is a square flat plate made of ceramic or plastic, and has four metal pins 15 protruding downward on the lower surface. The four pins 15 are arranged at positions corresponding to the four corners of the square tile 30, and each is formed in a shape and size that can be press-fitted into the small hole 14.

The resin mat 11 is a long strip plate having flexibility and has a sheet-like substrate portion 12 corresponding to a main body. The sheet-like substrate portion 12 has tiles 3
Small hole 14 through which the pin 0 of 0 is fitted
Are regularly arranged. The positions of the small holes 14 are as shown in FIG. 4 (white circles in the drawing indicate the positions of the small holes 14, and black circles indicate the positions of the small holes 14 used in the tile arrangement of this embodiment). 30 shape and size, position of pins 15, number of tiles, and expected tiles 30
Is set in accordance with the arrangement form of the above, and a cylindrical support leg portion 17 protruding from the lower surface of the substrate portion 12 is arranged below each small hole 14 as shown in FIG. There is. The support leg portion 17 holds the substrate portion 12 at a predetermined height from the floor base surface 40, and secures a space under the substrate portion 12 where rainwater or the like flows. The lower end of the small hole 14 opens inside the cylindrical support leg portion 17. Further, in the substrate portion 12 of the resin mat 11, a large number of rectangular water-permeable holes 19 are arranged at positions avoiding the small holes 14.

Next, a procedure for assembling the composite flooring material 10 having the above-described structure and its operation will be described. In this composite flooring 10, the tile 30 is placed on the substrate portion 12 of the resin mat 11, and the small holes 14 formed in the substrate portion 12 are placed.
The tile 30 can be integrated with the resin mat 11 by fitting the four pins 15 protrudingly provided on the lower surface of the tile 30. At that time, since the tile 30 can be easily attached only by pressing the tile 30 from above toward the resin mat 11, the resin mat 11 is laid on the floor base surface 40 in advance, and then the tile 30 is attached. The tile floor surface can be completed. Also, if you want to remove the tile 30, you can move the tile 3
The tile 30 can be easily removed from the resin mat 11 by lifting 0 and pulling out the pin 15 from the small hole 14.

Further, it is possible to freely select the small hole 14 into which the pin 15 is fitted at the time of mounting, and various positions can be selected by appropriately selecting the position of the small hole 14 into which the pin 15 is fitted. The tiles 30 can be arranged in the arrangement form,
The arrangement of the tiles 30 can be freely decided by the end user. Further, various sizes, shapes, and colors of tiles can be prepared, and the tiles can be freely attached to the resin mat 11 to form floor surfaces having various tile patterns.

Further, according to the composite flooring material 10 of the above-described embodiment, since the support leg portion 17 is present at the position of the small hole 14 into which the pin 15 on the tile 30 side is fitted, the pin 15 is supported by the support leg portion 1.
Since it is directly supported by 7, the board portion 12 is not unnecessarily bent, and the tile floor surface can be stabilized. Further, the water-permeable hole 19 is formed in the substrate portion 12 of the resin mat 11.
Since the opening is open, even if rainwater or the like flows on the substrate portion 12, it can be directly drained to the space below the substrate portion 12 through the water permeable hole 19. Further, as for the construction procedure, instead of laying the resin mat 11 on the floor base surface 40 first and then disposing the tile 30 as described above, the tile 30 is attached to the resin mat 11 in advance, and the tile 30 is constructed. It may be cut according to the size of the place and laid on the floor base surface 40.

Next, another embodiment of the present invention will be described. In the composite flooring material 10B of the embodiment shown in FIG. 6, a small square tile 30A and a rectangular tile 30B are arranged so as to straddle two resin mats 11A and 11B that are adjacently arranged in parallel. Each of the four pins 15 of the tiles 30A and 30B is provided with two pins 15 for each of the resin mats 11A and 1A.
It fits in the small hole 14 of 1B. Tile 30 like this
By disposing A and 30B, adjacent resin mats 1 can be provided without special connecting means provided on the resin mats 11A and 11B.
1A and 11B can be connected to each other via tiles 30A and 30B. Therefore, the structure of the resin mat 11 and the work can be simplified. In addition, in the other area of the resin mat 11, an appropriately rectangular tile 3
0B and square large tiles 30C are laid to complete the composite flooring 10B.

In this embodiment, the square tile 30
Four pins 1 at positions corresponding to each corner of A and 30B
Since the two 5 are fitted into the small holes 14 of the substrate portion 12 of the resin mat 11, the tiles 30A and 30B should be fixed to the resin mats 11 and 11 in a stable state (non-rotating state). You can 7A to 7D show examples of various tile arrangements. In any case, the tile 30 is formed so as to straddle over the boundary 45 between the adjacent resin mats 11, 11.
By disposing A and 30C, resin mats 11 and 1
1 is connected to each other. 8A to 8J show other tile arrangement examples. Just prepare a few tiles,
It is possible to create a design for the tile floor surface by combining a number of combinations.

Next, referring to FIG. 9, the best shape of the pin 15 projecting from the lower surface of the tile 30 will be described. In this pin 15, the anchor portion 15d at the base end is the tile 30.
It is embedded in the tile 30 at the time of molding, and the tip end side thereof vertically projects from the lower surface of the tile 30. The pin 15 has a large diameter portion 15a having a diameter larger than that of the small hole 14 in the vicinity of the tip, and further toward the tip side of the large diameter portion 15a, the diameter becomes smaller from the large diameter portion 15a toward the tip. The small-diameter end has a first tapered portion 15b smaller than the diameter of the small hole 14, and the diameter becomes smaller toward the base end side of the large-diameter portion 15a from the large-diameter portion 15a toward the base end and becomes smaller at the time of fitting. Second taper portion 1 in contact with the lower surface side peripheral portion of the hole 14
Have 5c. The second taper portion 15c is formed continuously up to the anchor portion 15d.

According to the pin 15 having such a shape, when the pin 15 is pushed into the small hole 14 of the resin mat 11, the pin 1
The first tapered portion 15b at the tip of No. 5 contacts the inner edge of the small hole 14 and elastically expands the diameter of the small hole 14,
Enter inside. When the large-diameter portion 15a of the pin 15 passes through the elastically expanded small hole 14, the second tapered portion 15c provided on the base end side of the large-diameter portion 15a is attached to the lower surface side peripheral edge of the small hole 14. The pin 15 receives a force in the insertion direction due to the action of the slope of the second tapered portion 15c. Therefore, the pin 15 is prevented from coming off and is pressed without rattling. When the pin 15 is pulled out from the small hole 14, the second tapered portion 15c is pulled up while being in contact with the inner edge of the small hole 14 to enlarge the small hole 14. Therefore, the large diameter portion 15a can smoothly pass through the small hole 14, and the pin 15 can be pulled out from the small hole 14.

Next, a resin mat according to still another embodiment of the present invention will be described. As shown in FIG. 10, in the resin mat 51, the substrate portion 52 and the support leg portions 57 are made of different resin materials and integrated. The substrate portion 52 is made of a soft or semi-hard resin so as to have flexibility, and the supporting leg portion 57 is made of a hard resin so as to enhance the supporting force. Urethane foam or the like can be used as the soft or semi-hard resin, and polypropylene or polyethylene can be used as the hard resin. The support leg portion 57 has a shape in which the upper end of the cylindrical portion 57a is partially covered by the upper wall portion 57b, and the upper surface of the upper wall portion 57b is joined to the lower surface of the substrate portion 52. Then, the substrate portion 5 is provided on the upper wall portion 57b.
A small hole 54 continuous with the small hole 14 on the second side is bored, and the outer periphery of the pin 15 contacts the lower surface side edge portion of the small hole 54 on the support leg 57 side formed of hard resin. .

In the case of this embodiment, since the supporting leg portion 57 is formed of a material different from that of the substrate portion 52, the strengths of the supporting leg portion 57 and the substrate portion 52 can be made different as described above. The colors of can be different.

Next, the form of the above-mentioned composite floor material 10 in storage will be described. In this composite flooring material 10, since the resin mat 11 is formed in a long strip shape and has flexibility, as shown in FIG. It can be rolled up and stored. Therefore, when the resin mat 11 is cut out while being unrolled from the roll during use and the resin mat 11 is cut, the resin mat 11 can be easily laid at the construction site.

The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific structure is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the present invention. Also included in the present invention. For example, in the above embodiment, the tile shape is a square or a rectangle,
The shape of the tile may be another polygon, or may have a curved contour such as a circle or an oval. The material of the tile 30 is not limited to ceramic or plastic. Further, the number and shape of the pins 15 can be freely changed. For example, a pin may be formed by pressing from a sheet metal, or a pin may be formed by forging from a filament.

The method of manufacturing the resin mat 11 is not limited to the integral extrusion molding process. As the material of the resin mat 11, in addition to the above-mentioned polyethylene and polypropylene, as long as it has excellent moldability and mechanical strength, for example, polycarbonate, polyamide, polyacetal, polyethylene terephthalate, chlorinated polyethylene, polystyrene,
Polyesteramide, polyphenylene sulfide, polyether ester, polyvinyl chloride, polymethacrylic acid ester, polyacrylic acid ester, polymethylmethacrylate, fluororesin, sulfone resin, ethylene-vinyl acetate copolymer, vinyl chloride-vinylidene chloride copolymer Coalescing,
Thermoplastics such as polyvinyl butyral, polyvinylidene fluoride, styrene-acrylic copolymer, thermosetting plastics such as urea resin, melia resin, melamine / phenolic resin, metal-containing plastics, reinforced plastics compounded with glass fiber, etc. Can be used. The composite flooring material 10 of the present invention is particularly suitable as a flooring material for balconies and entrances, but can also be used as a flooring material for dressing rooms in pools, locker rooms for sports facilities, and the like. The tread referred to in this invention is
Not limited to tiles. As long as it is a plate-shaped floor finishing material that is joined to the upper surface of the resin mat, it is included in the tread plate referred to in the present invention.

[0036]

As described above, according to the invention as set forth in claim 1, the tile is made of the resin by simply fitting the pins protruding from the lower surface of the tile into the small holes formed in the substrate portion of the resin mat. Can be attached to the top of the mat. Therefore, the tile floor surface can be easily constructed simply by placing the tile from above while the resin mat is first laid in the construction site. Further, the tile can be easily removed from the resin mat by lifting the tile upward and pulling out the pin from the small hole. Therefore, it is possible to easily replace the tile even if the operator is not a specialist. In addition, by appropriately selecting the small holes to fit the pins, the tile placement,
The arrangement can be set freely, and even tiles having different tile sizes and shapes can be freely selected and combined to be attached, so that the degree of freedom in designing tiles can be increased. Further, since the plurality of resin mats can be connected to each other by the tiles, it is not necessary to provide an interconnecting means such as a hook portion on the resin mat, and the structure of the resin mat can be simplified. The cost can be reduced and the work can be simplified. Further, as a means for joining the tile to the resin mat, it is sufficient to provide a small hole on the resin mat side and to embed the pin on the tile side, so that the structure is simple and can be realized at low cost. Is also very suitable when used.

According to the second aspect of the present invention, since the tile is joined to the resin mat with the four pins, the tile can be fixed to the resin mat in a stable state, and the tile is straddled between two adjacent resin mats. Even when the tiles are arranged with the tiles and the resin mats are connected by the tiles, the resin mats can be surely connected.

According to the third aspect of the invention, since the small hole into which the pin on the tile side is fitted is provided at the position of the supporting leg portion, the pin can be reliably supported by the supporting leg portion, and the resin mat. The tile can be stably held without being affected by the influence of bending of the tile.

According to the fourth aspect of the present invention, since the pin is provided with the large diameter portion and the first and second taper portions, the pin can be easily inserted and pulled out, and the pin does not rattle. You can securely prevent it from coming off. Therefore, even if the molding accuracy of the resin mat is not very high, the tile can be reliably and stably held.

According to the fifth aspect of the present invention, it does not take up space because it can be rolled into a roll and stored. In addition, since it can be cut to a required size when it is used, it can be easily laid at a construction site, and the troublesomeness of connecting resin mats can be minimized.

According to the invention of claim 6, it is possible to construct the composite flooring while joining a plurality of resin mats through the tiles. Therefore, a means for connecting the resin mats is separately provided. Therefore, the structure of the resin mat can be simplified and the manufacturing cost can be reduced. In addition, it is possible to construct a continuous floor surface by simply placing the tiles on the resin mat and fitting the pins into the small holes of the resin mat, so there is no need for special connection work and the work is easy. Is.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a composite floor covering according to an embodiment of the present invention.

FIG. 2 is a bottom view of a tile used in the composite flooring material of the same example.

FIG. 3 is a bottom view of a resin mat used in the composite flooring material of the same example.

FIG. 4 is a plan view showing an arrangement of small holes of the resin mat.

FIG. 5 is a plan view showing an arrangement example of tiles in the example.

FIG. 6 is a plan view of a composite floor covering according to another embodiment of the present invention.

FIG. 7 is a plan view showing various modified examples of the same embodiment.

FIG. 8 is a plan view showing an example of an array of various types of tiles according to the present invention.

FIG. 9 is a sectional view showing a fitting structure of a pin and a small hole used in each embodiment of the present invention.

FIG. 10 is a cross-sectional view of a main part of a resin mat according to still another embodiment of the present invention.

FIG. 11 is a perspective view showing a storage mode of each embodiment of the present invention.

FIG. 12 is a plan view of a conventional composite floor covering.

FIG. 13 is a plan view of a resin mat that constitutes a conventional composite floor material.

FIG. 14 is an exploded perspective view showing a main part configuration of a conventional composite flooring.

[Explanation of symbols]

 10, 10B Composite floor material 11,51 Resin mat 12,52 Substrate portion 14,54 Small hole 15 pin 15a Large diameter portion 15b First tapered portion 15c Second tapered portion 17,57 Support leg portion 19 Water permeable hole 30, 30A, 30B, 30C Tile (Tread)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location E04F 15/16 C 9024-2E

Claims (6)

[Claims] 1. A composite floor material comprising a resin mat having a substrate portion and a tread joined to the upper surface of the substrate portion of the resin mat, wherein a large number of small holes are formed in the substrate portion of the resin mat. A composite floor covering characterized in that a pin capable of fitting into the small hole is provided on the lower surface of the tread plate so as to project therefrom. 2. The composite flooring material according to claim 1, wherein the tread plate has a quadrangular shape, and four pins are arranged at positions corresponding to respective corners of the quadrangular tread plate. 3. A support leg portion is provided on a lower surface of a substrate portion of the resin mat, and the small hole is formed at a position of the support leg portion. Composite flooring. 4. The pin projectingly provided on the lower surface of the tread has a large-diameter portion, which is larger in diameter than the diameter of the small hole, at a position slightly closer to the base end than the tip portion. Further, on the tip end side, there is a first taper portion that becomes smaller in diameter from the large diameter portion toward the tip end and has a smaller diameter end smaller than the diameter of the small hole. 4. The second taper portion, which has a smaller diameter from the diameter portion toward the base end direction and is in contact with the lower surface side peripheral edge portion of the small hole at the time of fitting. Composite flooring. 5. The resin mat is formed as a long body, and the tread plate is wound in a roll shape during storage in a state of being joined to a large number of substrate parts.
The composite floor material according to 2, 3, or 4. 6. A plurality of the resin mats are arranged adjacent to each other, the tread plate is arranged at a position straddling the adjacent resin mats, and some of the pins of the tread plate are adjacent to each other. Fit into a small hole in the board of one resin mat, and fit the remaining number of the pins into a small hole in the board of the other adjacent resin mat, thereby connecting adjacent resin mats. Claims 1, 2, 3, characterized in that
The composite flooring material according to 4 or 5.