JP2002303025A - Floor material for staircase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor material for a staircase reducing noise during going up and down of the staircase made of a metal or concrete and comprising a vinyl-chloride-based resin composition superior in wear resistance, durability, further nonslip property and cushioning property. SOLUTION: In the floor material for the staircase, comprising vinyl-chloride- based resin composition formed integrally by connecting to substantially orthogonally fold a tread face coating part 11 and a rise coating part 13 covering the tread face and the rise of the staircase respectively via a corner part coating part 12 covering the corner part of the front end of the staircase, a nonslip groove 7, whose cross section is V-shaped is formed on the surface of the tread face covering part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor material for stairs, and more particularly, to a tread covering portion and a rising covering portion for covering a tread surface and a rising portion of a stair, respectively, and a corner covering portion for covering a corner portion at a front end of the staircase. The present invention relates to a floor material for stairs integrally formed by being bent and connected to a substantially right angle via a staircase.

[0002]

2. Description of the Related Art Conventionally, in order to reduce noise when climbing up and down stairs made of metal or concrete, etc., and to improve anti-slip properties and cushioning properties, tread covering portions for covering treads and rises of the stairs, respectively. A synthetic resin stair floor material integrally formed by bending and connecting the riser covering portion at a substantially right angle via a corner covering portion covering a corner portion at the front end of the stairs has been proposed and put into practical use. ing.

[0003]

By the way, the conventional synthetic resin stair flooring is provided with a non-slip projection on the surface of the tread covering portion in order to further improve the anti-slip property. A small anti-slip ridge 8 (see FIG. 2 (c)) is formed on the surface. However, this small anti-slip ridge 8 is the same as other parts of the floor material for stairs for manufacturing reasons. It is desirable that the height of the anti-slip projection is set to 5 mm or less, more preferably about 2 mm in order to safely raise and lower the person without tripping. The problem of poor sex was pointed out. That is, for example, when the conventional synthetic resin stair flooring is used for the stairs of an urban station having 240,000 passengers per day, the wear amount in January reaches 0.035 mm and the height of 2
The small anti-slip ridges 8 mm are worn out in about 57 months, and the anti-slip properties are significantly reduced. Further, if this is left as it is, a crack or the like will be generated on the surface of the tread covering portion, and this portion will be stumbled, which is dangerous. There was a problem that it was necessary to replace the product in a short period of time, and it was troublesome and costly.

The present invention has been made in consideration of the problems of the conventional flooring material for stairs, and is intended to reduce noise when climbing up and down stairs made of metal or concrete and to have excellent wear resistance and durability. In addition, it is another object of the present invention to provide a floor material for stairs having good anti-slip properties and cushioning properties.

[0005]

In order to achieve the above object, a floor material for a staircase according to the present invention comprises a tread covering portion and a rising covering portion which respectively cover a tread surface and a rise of a stair, and a corner portion at a front end of the stair. In a staircase flooring material integrally formed by being bent and connected to a substantially right angle via a corner covering portion for covering, a non-slip groove having a substantially V-shaped cross section is formed on the surface of the tread covering portion. It is characterized by becoming.

[0006] This floor material for stairs not only reduces noise when climbing up and down stairs made of metal or concrete, improves cushioning properties, and also has a cross section substantially on the surface of the tread covering portion. Since the V-shaped anti-skid groove is formed, the anti-slip property can be further improved, and the abrasion amount of the floor material for stairs can be further reduced. A safe use environment can be provided throughout, and the period for replacing the floor material for stairs with a new one can be extended.

In this case, a built-up portion is formed from the corner covering portion to the rising cover portion, and a built-up portion having a required width is formed at the front edge of the tread covering portion continuously from the built-up portion. An anti-slip groove having a substantially V-shaped cross section can be formed on the surface of the built-up portion formed at the front edge of the tread covering portion.

[0008] Thus, while maintaining the slip resistance, the area ratio of the effective tread surface can be increased to further reduce the wear amount.

In addition, a tread covering portion formed from the corner covering portion to the rising covering portion, and a tread covering portion formed at a front edge portion of the tread covering portion formed continuously with the covering portion. The communicating grooves can be formed at predetermined intervals.

As a result, it is possible to prevent water, sand, and the like from accumulating in the tread covering portion, and to further improve the slip resistance.

[0011] Further, at least the longitudinal section structure of the corner portion covering portion and the vicinity thereof has a laminated structure of two or more layers of a base material layer and a surface layer, and the base material layer is added to the resin composition constituting the surface layer. A resin composition having a higher hardness than the constituent resin composition can be used.

[0012] This makes it possible to reduce the amount of wear at the corner covering portion where the wear is most likely to occur and at the vicinity thereof.
Moreover, the durability of the staircase flooring material can be improved while maintaining cushioning properties, in combination with having appropriate elasticity as the whole of the staircase flooring material.

Further, the floor material for the stairs may have a laminated structure including a foamed synthetic resin layer.

Thus, the cushioning properties of the floor material for stairs can be further improved.

[0015] The floor material for the stairs may have a laminated structure including a fiber reinforced layer.

Thus, the durability of the floor material for stairs can be further improved.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a staircase flooring material according to an embodiment of the present invention.

1 to 3 show an embodiment of a floor material for stairs according to the present invention. The floor material 1 for stairs is installed by, for example, attaching to the stairs with an adhesive in order to reduce noise when climbing up and down stairs made of metal or concrete, and to improve anti-slip properties and cushioning properties. The tread covering portion 11 and the rising covering portion 13 that respectively cover the tread surface and the rising of the stairs are bent at substantially right angles via the corner covering portion 12 that covers the corner portion at the front end of the stairs and connected. It is made of a synthetic resin that is integrally formed.

Although the floor material 1 for stairs is not particularly limited, its main component is made of a vinyl chloride resin composition, and at least the corner covering portion 12 and the vicinity thereof (in the present embodiment). In (1), the vertical cross-sectional structure of the entire flooring for stairs 1) is a laminated structure of two or more layers (in the present embodiment, two layers) of the base material layer 1A and the surface layer 1B, and constitutes the surface layer 1B. In order to make the hardness of the resin composition higher than the hardness of the resin composition constituting the base material layer 1A, the surface layer 1
The amount of the plasticizer in the vinyl chloride resin composition constituting B is 30 to 70% of the amount of the plasticizer in the vinyl chloride resin composition constituting the base material layer 1A, more preferably 60 to 70%.
About 70%, the addition amount of the filler of the vinyl chloride resin composition constituting the surface layer 1B is set to 0 to 60% of the addition amount of the filler of the vinyl chloride resin composition constituting the base layer 1A. Preferably, it is set to about 45 to 55%.

In this case, the plasticizer to be added to the vinyl chloride resin is not particularly limited. However, dioctyl phthalate (DOP), di-2-ethylhexyl phthalate, dibutyl phthalate (DBP), diisononyl phthalate (DINP) Any plasticizer can be used.

As the filler to be added to the vinyl chloride resin composition, any filler such as calcium carbonate can be used.

The amount of the plasticizer in the vinyl chloride resin composition forming the surface layer 1B is less than 30% of the amount of the plasticizer in the vinyl chloride resin composition forming the base layer 1A. Although the hardness of the surface layer 1B increases, it becomes brittle, which is not preferable. Conversely, the amount of the plasticizer of the vinyl chloride resin composition constituting the surface layer 1B is different from that of the base material layer 1A.
If the amount of the plasticizer in the vinyl chloride resin composition constituting the above is more than 70%, the flexibility of the surface layer 1B is increased, but the hardness is lowered, which is not preferable.

On the other hand, the amount of the filler of the vinyl chloride resin composition forming the surface layer 1B is more than 60% of the amount of the filler of the vinyl chloride resin composition forming the base layer 1A. , The tenacity of the surface layer 1B decreases, which is not preferable.

In this embodiment, the overall vertical cross-sectional structure of the staircase flooring 1 is a two-layered structure of the base material layer 1A and the surface layer 1B. For example, as shown in the first modified example of FIG. 4, only the corner portion covering portion 12 and the vicinity thereof are provided, or as shown in the second modified example of FIG. The vertical cross-sectional structure of the tread covering portion 11 in addition to an arbitrary portion, specifically, the corner portion covering portion 12 and the vicinity thereof is a laminated structure of two or more layers of the base material layer 1A and the surface layer 1B. be able to. Thereby, an effective configuration can be adopted according to the use status of the floor material for stairs 1 and the like.

As described above, the vertical sectional structure of at least the corner covering portion 12 of the floor material for stairs 1 and the vicinity thereof has a laminated structure of two or more layers of the base material layer 1A and the surface layer 1B. The amount of the plasticizer and the filler of the vinyl chloride resin composition constituting the base material layer is 30 to 70% of the amount of the plasticizer of the vinyl chloride resin composition constituting the base material layer 1 and the amount of the filler added. Since it is set to 0 to 60%, it is possible to reduce the amount of wear at the corner covering portion 12 of the floor material 1 for stairs, which is most likely to be worn, and at the vicinity thereof, and as a whole for the floor material 1 for stairs. Is capable of providing a safe use environment for a long period of time with excellent cushioning and durability in combination with having a suitable elasticity, and replacing the stair flooring 1 with a new one. The period can be extended, , It becomes capable of reducing the labor and cost required for replacement of the stairs floorings.

On the other hand, it is preferable to form the anti-slip projections 2 on the surface of the tread covering portion 11 of the floor material 1 for stairs. The height, shape, arrangement, and the like of the anti-slip projections 2 are not particularly limited, and can be appropriately designed according to the use location of the floor material 1 for stairs. In the flooring material 1 for stairs according to the present embodiment, the anti-slip projections 2 having a height of about 0.5 to 5 mm are formed over the entire surface of the tread covering 11. In the front end portion of the tread covering portion 11, a projection 21 long in the width direction of the flooring material 1 for stairs, and in a middle portion of the tread covering portion 11, a main projection 22 having a dense arrangement and a large height, In addition, at the rear end of the tread, the sub-projections 23 having a small height and a sparse array are provided.
Are formed over a plurality of rows.

The anti-slip projections 2, ie, the long projections 21, the main projections 22, and the sub-projections 23,
The drainage groove 4 is formed from the tread covering portion 11 to the rise covering portion 13 through the corner portion covering portion 12.

As described above, the drainage groove 4 is formed in the tread covering portion 11 and the corner covering portion of the stair flooring material 1 is formed in order to prevent accumulation of water, sand and the like in the tread covering portion 11. 12 to the riser covering portion 13, the floor material for stairs 1
Grooves 5 communicating with the grooves 4 formed in the tread covering portion 11 are formed at predetermined intervals in the built-up portions 3 having the same height as the anti-slip projections 2 formed in order to improve the durability. I have to.

In the flooring material 1 for stairs according to the present embodiment, the anti-slip projections 2 formed on the tread covering section 11, namely the long projections 21, the main projections 22 and the sub-projections 23, and the corner covering sections 12 are provided. The material of the built-up portion 3 formed over the rise cover portion 13 is formed of the same vinyl chloride resin composition as at least the corner portion cover portion 12 and the surface layer 1B in the vicinity thereof. As a result, the surface of the tread surface covering portion 11 including the corner covering portion 12 and the vicinity thereof and the anti-slip projections 2 and the surface of the build-up portion 3 formed from the corner covering portion 12 to the rising covering portion 13 are formed. The stair floor material 1 is less likely to be worn, the durability of the stair floor material 1 is improved, and a safe use environment can be provided for a long period of time, and the period for replacing the stair floor material 1 with a new one is extended. This can reduce the number of steps and cost required for replacing the floor material 1 for stairs.

As shown in FIGS. 2 and 6 (third modified embodiment), the surface of the tread covering portion 11 (the tread covering portion 1) is formed.
1 includes the surface of the anti-slip projection 2 formed. ), A non-slip groove 7 having a substantially V-shaped cross section can be formed. The anti-skid groove 7 is not particularly limited, but preferably has a width and depth of about 0.5 to 2 mm and a distance between adjacent anti-skid grooves 7 of about 3 to 10 mm. Thereby, the anti-slip property can be further improved,
In order to improve the slip resistance, it is possible to prevent the area ratio of the effective tread surface from being reduced when the tread surface of the stair flooring 1 is formed with irregularities, and to further reduce the wear amount.
Durability can be improved. in this case,
As shown in a third modified example of FIG.
Anti-slip projections 2, specifically long projections 21
And the build-up portion 3 formed from the corner portion cover portion 12 to the rise cover portion 13 is formed continuously, thereby forming a build-up portion having a required width at the front edge of the tread surface cover portion 11. It is also possible to increase the area ratio of the effective tread surface to further reduce the amount of wear, specifically,
In comparison with the embodiment shown in FIG. 2, the third modified embodiment shown in FIG. 6 can further reduce the amount of wear by about ２.

Further, the stair flooring 1 is formed with a bending groove 6 extending in the width direction on the back surface of the tread covering portion 11. Accordingly, the staircase made of metal or concrete, to which the staircase flooring 1 is attached, etc., in particular, the staircase flooring 1 is not cut off in accordance with the size of the tread surface, and the bending groove 6 is not cut off. The stair floor material 1 can be stuck at the position of the stairs, and the construction can be performed easily, and the stuck state of the edge of the stair floor material 1 can be neatly finished. It will be.

Further, in the floor material for stairs 1 of the present embodiment, the surfaces of the anti-slip projections 2 formed on the tread surface covering portion 11, that is, the long projections 21, the main projections 22, and the sub-projections 23 are stepped on. It is formed in parallel with the back surface of the surface covering portion 11, and rises from the tread surface covering portion 11 formed between the anti-slip projections 2 via the corner portion covering portion 12.
The groove 4 leading to 3 is formed so as to be inclined so as to be gradually lower toward the rear side of the tread covering portion 11 toward the kick-up side (the tip side of the tread covering portion 11). Thereby, the surface of the anti-slip protrusion 2 serving as a substantial tread surface can be made horizontal while maintaining the drainage property, and the anti-slip property can be favorably maintained. In this case, the slope α of the surface of the tread covering portion 11 (the groove 4 formed in the tread covering portion 11) is set to 1/50 to 1/200, and more preferably to about 1/100, so that drainage is performed. While maintaining the property, it does not give anxiety to the person due to the inclination, and can maintain good anti-slip property.

Also, in the staircase flooring material 1 of the present embodiment, only the grooves 4 formed in the tread covering portion 11 are inclined, but in addition to the grooves 4 formed in the tread covering portion 11,
Anti-slip projection 2 formed on tread surface covering portion 11, ie,
The surfaces of the long projections 21, the main projections 22, and the sub-projections 23 are inclined so as to be gradually lower toward the kick-up side (the tip side of the tread surface covering portion 11) with respect to the back surface of the tread covering portion 11. It can be formed (not shown). As a result, the anti-slip projection 2 serving as a substantial tread surface is provided.
Water can be prevented from staying on the surface of the substrate, and good anti-slip properties can be maintained.

In this embodiment, the floor material 1 for stairs is used.
Has been described as an example of a laminated structure of two layers of the base material layer 1A and the surface layer 1B. However, a laminated structure of three or more layers including a foamed synthetic resin layer and a fiber reinforced layer in the middle can also be used. In addition, the cushioning property and durability of the floor material for stairs 1 can be further improved.

[0035]

Next, an example of the vinyl chloride resin composition used for the floor material 1 for stairs will be described below. [Base layer 1A] Vinyl chloride resin: 100 parts by weight Plasticizer (dioctyl phthalate (DOP)): 60 parts by weight Filler (calcium carbonate): 20 parts by weight [Surface layer 2B] Vinyl chloride resin: 100 parts by weight Plasticizer (dioctyl phthalate (DOP)): 40 parts by weight (67% of plasticizer of base material layer 1A) Filler (calcium carbonate): 10 parts by weight (50% of filler of base material layer 1A)

FIG. 7 shows a wear resistance comparison test (JIS K 7204) of the above embodiment and a case where the surface layer 2B is formed of the same vinyl chloride resin composition as the base layer 1A (conventional example).
The result is shown. As is clear from the test results, it was confirmed that when the example and the conventional example were compared, the effect of reducing the wear amount by about 1.6 times was obtained.

As described above, the stair flooring material of the present invention has been described based on a plurality of embodiments. However, the present invention is not limited to the configuration described in the above embodiment. As the material, a resin composition other than the vinyl chloride-based resin composition used in the present example, for example, an olefin-based resin composition such as polypropylene can be used (in that case, the composition of the resin composition is appropriately adjusted). Thereby, the hardness of the resin composition constituting the surface layer can be made higher than the hardness of the resin composition constituting the base layer.)
The configuration can be changed as appropriate without departing from the spirit of the invention.

[0038]

According to the floor material for stairs of the present invention, the noise at the time of ascending and descending a stair made of metal or concrete can be reduced, the cushioning property can be improved, and the covering of the tread surface covering portion can be improved. Since a non-slip groove having a substantially V-shaped cross section is formed on the surface, the anti-slip property can be further improved, and the abrasion amount of the stair floor material can be further reduced, and the durability can be improved. It is possible to provide a safe use environment for a long period of time, and to extend the period for replacing the floor material for stairs with a new one. And cost can be reduced.

Further, a built-up portion is formed from the corner covering portion to the rising cover portion, and a built-up portion having a required width is formed at the front edge of the tread covering portion continuously from the built-up portion. By forming a non-slip groove having a substantially V-shaped cross section on the surface of the built-up portion formed at the front edge of the tread surface covering portion, the area ratio of the effective tread surface is increased while maintaining the slip resistance. The amount of wear can be further reduced.

Further, the tapped surface covering portion formed from the corner covering portion to the kick-up covering portion, and the tapped surface covering portion formed at the front edge of the tread surface covering portion formed continuously with the overlaid portion are provided. By forming the communicating grooves at predetermined intervals, it is possible to prevent water, sand, and the like from accumulating in the tread covering portion, and to further improve the slip resistance.

Further, the longitudinal section structure of at least the corner portion covering portion and the vicinity thereof has a laminated structure of two or more layers of a base material layer and a surface layer, and the base material layer is added to the resin composition constituting the surface layer. By using a resin composition having a higher hardness than the constituent resin composition, it is possible to reduce the amount of wear at the corner portion coating portion where the wear is most likely to occur and the vicinity thereof, and
As a whole, the durable flooring material for stairs can be improved in durability while maintaining cushioning properties in combination with having appropriate elasticity.

Further, by making the floor material for stairs a laminated structure including a foamed synthetic resin layer, the cushioning properties of the floor material for stairs can be further improved.

In addition, the durability of the staircase flooring material can be further improved by forming the staircase flooring material with a laminated structure including a fiber reinforced layer.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an embodiment of a floor material for stairs of the present invention.

2 (a) is an external perspective view, FIG. 2 (b) is an explanatory view of a non-slip groove, and FIG. 2 (c) is an explanatory view of a small anti-slip ridge.

3A is a sectional view of the same, FIG.
(B) is a BB cross-sectional view of FIG. 1, and (C) is an enlarged cross-sectional view of a main part.

4A and 4B are cross-sectional views showing a first modified example of the flooring material for stairs of the present invention, wherein FIG. 4A is a cross-sectional view corresponding to the AA cross-sectional view of FIG. 1, and FIG. It is sectional drawing corresponding to B sectional drawing.

5A and 5B are cross-sectional views showing a second modified example of the flooring material for stairs of the present invention, wherein FIG. 5A is a cross-sectional view corresponding to the AA cross-sectional view of FIG. 1, and FIG. It is sectional drawing corresponding to B sectional drawing.

6A and 6B show a main part of a third modified example of the floor material for stairs of the present invention, wherein FIG. 6A is an external perspective view, and FIG.

FIG. 7 is a graph showing the results of a wear resistance comparison test.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor material for stairs 1A Base material layer 1B Surface layer 11 Tread surface covering part 12 Corner covering part 13 Kick-up covering part 2 Anti-slip projection 21 Projection 22 Main projection 23 Secondary projection 3 Overlay part 4 Groove 5 Groove 6 Groove 7 Anti-slip Groove 8 Anti-slip small ridge

Claims (6)

[Claims] 1. A tread covering portion and a rising covering portion that respectively cover a tread surface and a rising portion of a stair are integrally bent at a substantially right angle via a corner covering portion that covers a corner portion at a front end of the stairs and connected. The stair flooring material according to claim 1, wherein a non-slip groove having a substantially V-shaped cross section is formed on the surface of the tread covering portion. 2. A build-up portion is formed from the corner cover portion to the rise cover portion, and a build-up portion having a required width is formed at the front edge of the tread covering portion continuously from the build-up portion.
On the surface of the built-up portion formed at the front edge of the tread covering portion,
The floor material for stairs according to claim 1, wherein a non-slip groove having a substantially V-shaped cross section is formed. 3. A padding portion formed from the corner portion covering portion to the kick-up covering portion, and a padding portion at a front edge portion of the tread surface covering portion formed continuously with the padding portion, The stair flooring according to claim 1 or 2, wherein the communicating grooves are formed at predetermined intervals. 4. A longitudinal sectional structure of at least a corner covering portion and a position in the vicinity thereof has a laminated structure of two or more layers of a base material layer and a surface layer, and the base material layer is added to the resin composition constituting the surface layer. The stair flooring according to claim 1 or 2, wherein the resin composition has a higher hardness than the constituent resin composition. 5. The stair flooring according to claim 1, wherein the stair flooring includes a foamed synthetic resin layer. 6. The stair flooring according to claim 1, wherein the stair flooring includes a fiber reinforced layer.