JP4174741B1 - Bathroom washroom floor - Google Patents

Abstract

The present invention provides a bathroom washroom floor that can make a user feel soft while having surface durability as a washroom floor.
The bathroom washroom floor of the present invention has a support base layer for supporting a load, a cushion layer laminated on the support base layer and elastically deformable, and laminated on the cushion layer and having durability. The surface layer has a thick part for securing strength and a thin part for imparting flexibility.
[Selection] Figure 2

Description

  The present invention relates to a bathroom washroom floor.

Conventionally, a structure for imparting cushioning properties to a bathroom floor is proposed. For example, Patent Literature 1 discloses a bathroom washing floor in which a foam layer and a soft material made of a thermoplastic elastomer are sequentially laminated and integrated with a base material made of a resin material such as FRP.
JP 2001-245814 A

  In order to simply add softness to the washing floor, it is easy to make the material of the surface with a soft composition with sufficient elasticity, but if it is too soft, it will cause wear, scratches and holes. There is a concern that the durability required for the floor surface is insufficient, such as damage such as perforation and sag.

  That is, in order not to impair the durability required as a bathroom washroom floor while imparting softness, a cushion layer having a function of imparting softness to the floor, and a highly durable surface layer provided thereon Need to be laminated.

  However, it is usually relatively strong and hard to have the durability required for the washing floor surface, and when such a hard material is provided on the cushion layer, the floor that the cushion layer is intended to obtain It becomes difficult to enjoy the feeling of softness. In other words, when a load is applied in the vertical direction, such as when a person steps on the foot, the hard surface layer is strong, and the load is averaged over the entire floor, and only the vicinity of the step is sinking. It is difficult to get such a soft feeling.

  This invention is made in view of the above-mentioned problem, and provides the washroom floor for bathrooms which can make a user feel softness while providing the surface durability as a washroom floor.

According to one aspect of the present invention, a support base layer for supporting a load, a cushion layer laminated on the support base layer and elastically deformable, and laminated on the cushion layer are durable. A bathroom washroom floor comprising a thick part for securing strength and a surface layer having a thin part for imparting flexibility , wherein the thick part is Provided is a bathroom washroom floor characterized in that when a load is applied on the surface layer, the portion to which the load is applied has a thickness that does not cause local deformation .
According to another aspect of the present invention, a support base layer for supporting a load, a cushion layer laminated on the support base layer and elastically deformable, and a laminate on the cushion layer A bathroom washroom floor having a thick wall portion for ensuring durability and a surface layer having a thin wall portion for imparting flexibility, and having an environmental temperature of 20 The amount of displacement at the maximum downward displacement point when the load of 20 N / cm ² is applied to the surface layer having the thick part and the thin part under the condition of ° C is the same as that of the surface layer The amount of displacement of the maximum downward displacement point when the same load of 20 N / cm ² is applied to the surface layer having the same thickness as the thick part without having the thin part is b. Then, a bathroom wash floor characterized by a / b being 1.1 or more is provided. .
According to another aspect of the present invention, a support base layer for supporting a load, a cushion layer laminated on the support base layer and elastically deformable, and a laminate on the cushion layer A bathroom washroom floor comprising a thick wall portion for ensuring durability and a surface layer having a thin wall portion for imparting flexibility, the surface layer When a load is applied, the portion where the load is applied bends with the thin wall portion as the maximum downward displacement point, and the thick wall portion around the maximum displacement point is inclined downward toward the maximum displacement point. A bathroom washroom floor is provided.
According to another aspect of the present invention, a support base layer for supporting a load, a cushion layer laminated on the support base layer and elastically deformable, and a laminate on the cushion layer A bathroom washroom floor comprising a thick wall portion for ensuring durability and a surface layer having a thin wall portion for imparting flexibility, the surface layer Provides a bathroom washroom floor characterized in that it is made of FRP material.

  ADVANTAGE OF THE INVENTION According to this invention, the washroom floor for bathrooms which can make a user feel softness while providing the surface durability as a washroom floor is provided.

  In order to give softness to the washroom floor in the bathroom, it is conceivable to construct the washroom floor with a material having an elastically deformable cushioning property. For example, a foam having a cushioning property is water resistant, chemical resistant, The basic performance required for a washing floor such as impact is not excellent, and it is difficult to provide a washing floor made of only a cushioning material as a product. In addition to foam, there are rubber materials as cushioning materials, but since rubber materials have a rubber odor, such materials are placed in a highly airtight bathroom over a relatively large area such as a washroom floor. It is not preferable to use it.

  Therefore, when foam is provided as a cushion layer on the washing floor, the basic surface (durability) required for the unit bath, such as water resistance, chemical resistance, wear resistance, and impact resistance, is applied to the surface exposed inside the bathroom. A surface layer of a material satisfying

  Cushion layers and surface layers that satisfy the characteristics described above are difficult to ensure sufficient strength to support the load, and apart from these layers, the base layer has a stronger strength to support the load than the cushion layer and surface layer. A material layer is required. That is, it is desirable to have a structure in which at least a base material layer, a cushion layer, and a surface layer are combined in order to ensure the minimum basic performance required for a wash floor while giving softness to the wash floor.

FIG. 1 is a schematic cross-sectional view of a bathroom washroom floor according to an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of a main part in FIG.
FIG. 3 is an enlarged perspective view of the surface of the surface layer in the washroom floor.

  The washing floor according to this embodiment includes a hard support base layer 1, a cushion layer 4 having cushioning properties laminated on the support base material layer 1, and a surface layer 5 laminated on the cushion layer 4. With.

  The supporting base material layer (hereinafter simply referred to as the base material layer) 1 is waterproof so that hot water does not leak out of the bathroom, static load on the wall panel 50, ceiling panel, bath chair, basin, etc., and dynamic load of the user It is formed from a hard material having sufficient strength that does not bend or break even when subjected to heat. For example, it is made of a thermosetting resin such as FRP (Fiber Reinforced Plastic) or a thermoplastic resin such as polypropylene or polyethylene reinforced.

  The base material layer 1 is provided with a concave portion 2 formed in a concave shape in a longitudinal sectional view. The concave portion 2 occupies most of the area of the base material layer 1 as viewed from above, and an edge 6 is provided on the outer side of the concave portion 2 so as to be one step higher than the upper surface (bottom surface) of the concave portion 2. A side wall portion 8 that functions as a water return wall rising upward is provided on the outermost side of the base material layer 1 on the outer side of the edge portion 6.

  The base material layer 1 is integrally formed by hot-molding a hard material (for example, FRP), and thus the recess 2, the edge 6 and the side wall 8 are integrally formed.

  The cushion layer 4 is entirely accommodated in the recess 2 of the base material layer 1, and is bonded and fixed to the upper surface (bottom surface) of the recess 2 with an adhesive such as a double-sided tape. The cushion layer 4 is elastically deformable and is made of a foamed material such as urethane. The cushion layer 4 may be an elastically deformable rubber material, but a foam without a rubber odor is preferable for use as a bathroom floor in a bathroom with high airtightness.

  The surface layer 5 is made of a relatively hard and tough material so as to satisfy the basic performance (durability) required for the washing floor surface, such as water resistance, chemical resistance, abrasion resistance, and impact resistance. . Examples of the material for the surface layer 5 include FRP, PVC (vinyl chloride), polypropylene, polyethylene, urethane resin, polyester resin, styrene / polyester / olefin / acrylic elastomers, rubber such as EVA, EPDM, and silicone rubber. Examples thereof include (hard) systems, those prepared by adjusting the hardness to such an extent that sufficient durability can be expected, or composite materials obtained by adding fillers and reinforcing materials to these as bases. These materials are examples, and other materials for the surface layer 5 may be materials that have a certain degree of flexibility and are tough enough to have sufficient durability for general use in bathrooms. , Not limited to those described above. In particular, it is possible to provide a highly reliable product by using, for the surface layer 5, FRP that has a proven track record in exhibiting the basic performance required for washroom flooring.

  As shown in FIGS. 2 and 3, the surface layer 5 provides the surface layer 5 with flexibility that can follow the deformation of the cushion layer 4 and the thick portion 5 a for ensuring the surface strength of the washing floor. And a thin portion 5b. By forming the groove 12 cut from the surface side exposed in the bathroom in the surface layer 5, the thick part 5a and the thin part 5b are formed. The groove 12 does not reach the lower cushion layer 4, and the groove 12 does not completely divide the surface layer 5.

  The thin part 5b is located below the groove 12, and the thickness of the thin part 5b is thinner than the thickness of the thick part 5a. The groove 12 and the thin portion 5b located below the groove 12 are formed in a lattice shape over the entire surface layer 5, and the thick portion 5a is formed in an island shape surrounded by the groove 12 and the thin portion 5b. .

  The width of the thin portion 5b when the groove 12 is viewed in the concave sectional view is smaller than the width of the thick portion 5a in the same sectional view. The planar area of the thick part 5a in the entire surface layer 5 is larger than the planar area of the thin part 5b.

  Referring to FIG. 1 again, the surface layer 5 is laminated on the cushion layer 4 so as to cover the upper surface of the cushion layer 4 and the recess 2. The planar size of the surface layer 5 is larger than the planar size of the cushion layer 4 (longer in both length and width), and the peripheral portion of the surface layer 5 that protrudes from the cushion layer 4 does not pass through the cushion layer 4. Is laminated on the upper surface of the edge 6 of the. The back surface opposite to the surface on which the groove 12 is formed in the surface layer 5 is bonded and fixed to the upper surface of the cushion layer 4 and the upper surface of the edge portion 6 of the base material layer 1 with an adhesive such as double-sided tape.

  The surface layer 5 is thinner than the cushion layer 4. The planar size of the surface layer 5 is smaller than the entire planar size of the base material layer 1 (formed in a short length and width) and larger than the planar size of the recess 2 (formed in a long length and width).

  In obtaining a laminated structure of the base material layer 1, the cushion layer 4, and the surface layer 5, they may be welded and fixed to each other by hot molding integrally (insert and laminate molding), or the base material layer 1 After the molding process, the cushion layer 4 is attached to the upper surface (bottom surface) of the concave portion 2 by using an adhesive such as a double-sided tape, and further the adhesive layer such as a double-sided tape is used on the surface of the cushion layer 4. The surface layer 5 may be pasted.

  The peripheral portion of the surface layer 5 disposed on the outer side of the recess 2 of the base material layer 1 is water-tightly sealed with a sealing material 11 such as silicon or a joint member, for example, and the surface layer 5 and the base material layer 1 are Intrusion of water between them is prevented.

  A bathroom wall panel 50 is placed on the upper surface of the edge 6 of the base material layer 1 on the outer side from the peripheral edge of the surface layer 5. The sealing material 11 is used to seal watertightly between the peripheral portion of the surface layer 5 and the base material layer 1 and between the wall panel 50 and the base material layer 1.

  As described above, in the structure in which the surface layer 5 is laminated on the surface side of the cushion layer 4, the user touches the surface layer 5, but the user feels the function (softness) of the cushion layer 4. Therefore, the surface layer 5 is required to be flexible enough to follow the deformation of the cushion layer 4.

  Further, the surface layer 5 needs to have durability required for the washing floor surface, but usually, the material having such durability is relatively hard and the floor to be obtained by the cushion layer 4 is used. It is difficult to enjoy a soft feeling.

  As shown in the comparative example of FIG. 8, when a flat sheet-like hard material is simply used as the surface layer 15, the surface layer 15 is strong and the load is averaged over the entire floor surface. There is a tendency that it is difficult to obtain a soft sensation that sinks only in the vicinity.

  On the other hand, when a soft elastomer is used for the surface layer and a soft elastomer is used as in Patent Document 1, for example, as described above, there is a problem of poor durability such as wear, scratches, and holes. Furthermore, as shown in FIG. 9, if a soft material such as elastomer or rubber is used for the surface layer 25, for example, deformation when a local load (pin spot load) such as a leg of a bath chair or a shampoo rack is applied becomes excessive. There is also concern about the problem of local crushing and sag.

  On the other hand, in the present embodiment, even if the hard surface layer 5 has durability, the thickness of the surface layer 5 is not uniform in the surface direction, and has a structure having a thick portion 5a and a thin portion 5b. Therefore, the surface layer 5 can be flexed flexibly following the deformation of the cushion layer 4, and the softness of the cushion layer 4 can be transmitted to the user.

FIG. 4 is a schematic cross-sectional view showing a state where a load is applied to the washing floor according to the present embodiment by being stepped on by a person's foot and the cushion layer 4 and the surface layer 5 are bent.
FIG. 5 is an enlarged view of a main part in FIG.
FIG. 6 is a schematic perspective view showing a state in which a load is applied to the washing floor and the surface layer 5 is bent.

  In the present embodiment, when a load is applied to the surface layer 5, the groove 12 and the thin portion 5 b below it become a node and bend into a concave cross section. That is, the portion of the surface layer 5 where the load is applied bends (sinks) with the thin portion 5b as the maximum downward displacement point, and the thick portion 5a around the maximum displacement point is inclined downward toward the maximum displacement point. To do. As a result, even if it is the hard surface layer 5, the surface layer 5 does not continue to bend and suppresses bending, flexing around the stepped area, and feeling soft as if only its vicinity sinks. Obtainable.

  The thin portions 5b that play a role of imparting flexible flexibility to the surface layer 5 are formed in a lattice shape over the entire surface of the surface layer 5, that is, the deformation nodes vertically and horizontally on the surface of the surface layer 5. The thin-walled portion 5b is distributed without being unevenly distributed, and no matter where the load is applied on the floor surface, directivity is not generated in the direction of deformation, and the stepped portion is omnidirectional in all directions. Can be indented.

  As described above, according to the present embodiment, when having stepped on or kneeling while sufficiently having various performances such as durability, robustness, water resistance, chemical resistance and the like required for a bathroom floor. The part can bend flexibly and give a soft touch to the user.

  As a result, it is possible to obtain a soft touch that does not hurt even if the user kneels. In addition, the floor fits in with your feet, making it difficult to slip even with wet feet. Furthermore, for example, even if the basin is dropped on the floor, no sound is heard. Furthermore, it is difficult for the user to feel cold.

  In the surface layer 5, only the periphery around the portion where the load is applied flexes flexibly, and the entire surface layer 5 is hardly displaced. Therefore, it is possible to prevent the peripheral portion of the surface layer 5 sealed by the sealing material 11 from being pulled or lifted to prevent the seal from being cut.

  The thick part 5a ensures the strength against the pin spot load by having a thickness that does not cause local deformation of the part to which the load is applied. That is, with respect to a pin spot load applied by a leg such as a bath chair or a shampoo rack, the thick wall portion 5a takes charge of the load, and the thick wall portion 5a has a sufficient strength against the pin spot load and has a local strength. Because it is not deformed, it can be difficult to cause partial collapse or sag.

  For example, the cushion layer 4 is formed of foam, the surface layer 5 is formed of FRP, the thickness of the thin portion 5b is 0.5 mm to 2.0 mm, the width of the thin portion 5b is within 3 mm, and the thickness of the thick portion 5a is 3 mm to When the length of one side of 5 mm and one island-shaped thick part 5a is 20 mm or less, only the periphery of the stepped part will sink effectively while ensuring sufficient strength against the pin spot load. It was confirmed that a soft feeling can be imparted.

Further, as a result of the study by the present inventors, when a load of 20 N / cm ² is applied to the surface layer 5 according to the present embodiment having the thick part 5a and the thin part 5b under the environment temperature of 20 ° C. The amount of displacement of the maximum displacement point vertically below is a, and the same material as that of the surface layer 5 is the same 20 N / cm for the surface layer having the same thickness as the thick portion 5 a without the thin portion 5 b. When the amount of displacement at the maximum downward displacement point when the load of ² is applied is b, if a / b is 1.1 or more, a person can recognize that the improvement is softer, The knowledge that it is effective when seen from the sensitivity evaluation side was obtained. This result shows that the amount of deflection is greater by 10% or more in the configuration (this embodiment) with the groove 12 (thin wall portion 5b) formed under the same conditions except for the presence or absence of the groove 12 (thin wall portion 5b). ing.

Here, the load of 20 N / cm ² assumes the load per unit area when a person with a weight of 60 kg stands on one leg, assuming that the area of the human heel or toe is about 30 cm ² and is actually used. It assumes a load when a person sometimes feels the softness of the floor.

  In this embodiment, since the width of the thin portion 5b (groove 12) is smaller than the width (length of one side) of the thick portion 5a, the thick portion 5a is thinner on the surface of the surface layer 5. The area of the surface layer 5 is larger than that of the portion 5b, and it is difficult for the user's load or external impact to act directly on the cut portion (thin wall portion 5b) for preferential deformation when a load is applied. The surface strength can be increased. In addition, since the surface of the thick part 5a is arranged above the surface of the thin part 5b, the user's load or external impact is less likely to act directly on the thin part 5b, and the surface strength of the surface layer 5 itself is reduced. Can be big.

  In the above-described embodiment, the thin portion 5b was formed by cutting the groove 12 from the surface side exposed in the bathroom in the surface layer 5, but in order to facilitate more supple deformation, as shown in FIG. You may form the thin part 5c by forming the groove | channel 13 cut also from the back surface side.

  Or it is good also as a structure of only the thin part 5c of the surface side, without providing the thin part 5b. However, from the viewpoint of increasing the surface strength of the surface layer 5, the structure in which the thin portion 5 b is located on the back side of the surface layer 5 by cutting the groove 12 from the front side rather than the thin portion 5 c existing on the front side. preferable.

  Moreover, in this embodiment, as shown in FIG. 3, the corrugated unevenness | corrugation is formed in the surface of the thick part 5a which touches a user, and anti-slip is aimed at. As described above with reference to FIGS. 4 to 6, the thick portion 5 a around the maximum displacement point is inclined downward toward the maximum displacement point, so that a part of the sole contacts with the floor so as to sink. This also makes it difficult to slip.

The schematic cross section of the bathroom washroom floor which concerns on embodiment of this invention. The expanded sectional view of the principal part in FIG. Enlarged perspective view of the surface layer on the floor FIG. 3 is a schematic cross-sectional view showing a state where a load is applied to the washing floor and the cushion layer and the surface layer are bent. The enlarged view of the principal part in FIG. FIG. 3 is a schematic perspective view showing a state where a load is applied to the washing floor and the surface layer is bent. The principal part expansion schematic sectional drawing of the washing-room floor for the bathroom which concerns on other embodiment of this invention. The principal part expansion schematic cross section of the washroom floor for the bathroom which concerns on a 1st comparative example. The principal part expansion schematic cross section of the washroom floor for bathrooms concerning the 2nd comparative example.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Base material layer, 4 ... Cushion layer, 5 ... Surface layer, 5a ... Thick part, 5b ... Thin part, 5c ... Thin part

Claims (6)

A supporting base material layer for supporting a load;
A cushion layer laminated on the support base layer and elastically deformable;
Laundry floor for bathrooms, comprising a surface layer that is laminated on the cushion layer and has durability and has a thick part for securing strength and a thin part for imparting flexibility. Because
The bathroom washroom floor , wherein the thick portion has a thickness that does not cause local deformation of the portion where the load is applied when a load is applied on the surface layer . A supporting base material layer for supporting a load;
A cushion layer laminated on the support base layer and elastically deformable;
Laundry floor for bathrooms, comprising a surface layer that is laminated on the cushion layer and has durability and has a thick part for securing strength and a thin part for imparting flexibility. Because
The displacement amount of the maximum displacement point in the vertically downward direction when a load of 20 N / cm ² is applied to the surface layer having the thick part and the thin part under the condition of an environmental temperature of 20 ° C. is a.
The maximum displacement point in the vertically downward direction when the same load of 20 N / cm ² is applied to the surface layer having the same material as the surface layer and having the same thickness as the thick portion without the thin portion. If the displacement is b,
a / b is washing place floor bath room you wherein a is 1.1 or more. A supporting base material layer for supporting a load;
A cushion layer laminated on the support base layer and elastically deformable;
Laundry floor for bathrooms, comprising a surface layer that is laminated on the cushion layer and has durability and has a thick part for securing strength and a thin part for imparting flexibility. Because
When a load is applied on the surface layer, the portion where the load is applied bends with the thin-walled portion as a vertically downward maximum displacement point, and the thick-walled portion around the maximum displacement point is directed toward the maximum displacement point. washing place floor bath room characterized in that downward inclination. A supporting base material layer for supporting a load;
A cushion layer laminated on the support base layer and elastically deformable;
Laundry floor for bathrooms, comprising a surface layer that is laminated on the cushion layer and has durability and has a thick part for securing strength and a thin part for imparting flexibility. Because
The surface layer, washing place floor bath room you characterized in that it is formed from FRP material. The bathroom washroom floor according to any one of claims 1 to 4 , wherein a width of the thin portion is smaller than a width of the thick portion.   The bathroom washroom floor according to any one of claims 1 to 4, wherein the thin portion is formed in a lattice shape over the entire surface layer.

Images