JP2673123B2 - Bathtub - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden bathtub used for bathing.

[0002]

2. Description of the Related Art As conventional bathtubs, various bathtubs made of stainless steel, enamel and reinforced plastic have been proposed. Since none of these bathtubs require work such as assembling, pasting or nailing, they can be mass-produced and are advantageous in that necessary and sufficient ones can be obtained in terms of design and strength.

On the other hand, it is said that it is superior to the above-mentioned stainless steel, enamel, etc. in terms of the unique texture of wood, heat retention and the moisturizing feeling of wood grain. Square and vat wooden bathtubs are also widely used.

FIG. 5 shows such a conventional wooden bathtub, in which thick side plates 11 and 12 are butted against each other so as to form a rectangular frame, and nails 13 are hammered in to bond them, and a bottom plate 14 is attached to the lower open end of these. Is also made by tying nails together.

[0005]

However, in such a conventional bathtub made of stainless steel or enamel, the heat conductivity is 450 times higher than that of a wooden bathtub, and therefore the heat retention is difficult, and There is a problem that the skin feels uncomfortable, particularly when it comes into contact with bare skin, in terms of coldness and heat, stains are apt to be conspicuous, and there is a case where remarkably discomfort occurs.

Further, the bathtub made of only reinforced plastic has a problem that its quality deteriorates quickly and becomes brittle and cracks occur.

On the other hand, in the conventional wooden bathtub as described above, since the water absorption is large, the dryness is poor, the thermal conductivity is increased, the heat retention is gradually lowered, and the dirt adheres to the surface. In addition to becoming slimy and more uncomfortable,
There was also a problem in terms of durability such as easy decay.

Further, in order to eliminate these discomforts, it is required to keep the room clean at all times, and it is necessary to introduce such a wooden bathtub into the home in anticipation of the situation of lack of hands in the home. There were difficulties.

The present invention has been made by paying attention to the above-mentioned conventional problems, and it is possible to obtain excellent heat resistance, beauty of wood grain, and good texture while maintaining excellent surface dirt. The aim is to obtain a durable, low cost wooden bathtub.

[0010]

A bathtub according to the present invention has a container-shaped core material and a wood layer provided so as to cover at least the inner surface of the core material, and the wood layer is provided on the surface of the wood layer. It is provided with a fluororesin processed film.

The bath according to the present invention is formed by laminating a wood layer on a core material or by injecting a reinforced plastic material between the two wood layers.

In the bathtub according to the present invention, the wood layer is provided so as to cover the core material through the space or the heat insulating material.

Further, in the bathtub according to the present invention, a narrow skirting board is assembled as an internal wood layer through a packing material,
This is a container made of a core material, an inner wood layer, and an outer wood layer, and has a handrail formed on the opening end surface thereof, which is dowel-bonded.

Further, in the bathtub according to the present invention, an inner wood layer made of a laminated lumber laminated with a lumber layer bonded to a core material intersects with the inner lumber direction in the laminating direction and covers the inner lumber layer. It is composed of an external wood layer made of laminated lumber provided.

Further, the bathtub according to the present invention is provided so as to cover the container-shaped core material, the inner wood layer provided so as to cover at least the inner surface of the core material, and the outer surface of the core material. The outer wood layer and the surfaces of the inner and outer wood layers are treated with a fluororesin film.

[0016]

The wood layer according to the present invention is attached to the core material and reinforced so that it has a good heat retaining property while exhibiting the appearance of beautiful wood grain, and the fluororesin processed film prevents the penetration of water and the decay thereof. The bathtub should be easy to clean.

According to the present invention, the wood layer is attached to the core material so as to be integrated with the core material so that the strength of the wood layer can be increased. By integrating with the injected reinforced plastic material, the strength of the entire wood container is further improved.

By interposing a space between the core material and the wood layer or by interposing a heat insulating material, the heat retaining property as a bathtub is improved.

Further, by interposing packing between the narrow skirting boards of the wood layer, deformation of the bathtub due to mechanical stress is prevented, and it is possible to sufficiently cope with the difference in thermal expansion of the core material and the like, if necessary. By providing handrails on the headstock, it is easy to enter and leave the bathtub during use.

By providing an inner wood layer and an outer wood layer around the core material so as to intersect the laminated wood of the skirting boards, the strength between the wood layers can be increased.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is a rectangular bathtub when the present invention is applied to a wooden bathtub, and the entire surface of the wood grain surface originally has the grain of wood.

The bathtub 1 has, as the core material 2, a material such as reinforced plastic having durability, heat resistance, and a predetermined strength that does not change withstanding water pressure.
On the inner surface and outer surface of the core material 2, the inner wood layer 3 as a wood layer made of laminated wood of the narrow skirting 3a so as to cover it.
Are bonded with an adhesive or the like as shown in FIGS.

As shown in FIG. 3, the inner wood layer 2 is a laminated plate (trade name: Harmony Wood Yawata Wood Co., Ltd.) to which elastic packing materials are attached.
By adhering each of the skirting boards 3a through the packing material 4 made of, for example, the difference in the coefficient of thermal expansion from the core material 2, the deformation due to the thermal stress of each laminated material, and the attachment on this It is designed to absorb mechanical and thermal stresses from the outer wood layer to be combined, which will be described later. As a result, the degree of integration of the core material 2, the inner wood layer 3, and the outer wood layer described later is increased.

Further, an outer wood layer 5 as a wood layer is attached to the outside of the inner wood layer 3. Like the inner wood layer 3, the outer wood layer 5 also includes a plurality of narrow skirting boards 5a.
It is made of laminated wood by laminating the above with an adhesive or the like.

Further, in this embodiment, each of the laminated lumbers is horizontally arranged so as to intersect with each of the narrow skirting boards 3a of the inner lumber layer 3 and is integrated with each other. I try to increase it. In addition, such a skirting board 3
The crossing arrangement of a and 5a is similarly performed on the bottom portion.

As the narrow width trees 3a and 5a, natural woods having a beautiful grain pattern such as cypress, straw, and hiba, and having a warm taste are used. This natural wood is made of stainless steel,
As described above, the materials such as enamel and reinforced plastic are superior in terms of heat retention, texture and appearance.

Further, the outer wood layer 5 on which the skirting boards 5a are assembled is subjected to a fluororesin treatment on the surface side thereof to prevent water from seeping into the outer wood layer 5,
It makes the bathtub easy to dry, makes it possible to wipe off the slimy feel, and improves durability.

As shown in FIG. 2, the fluororesin processing of the surface is performed by bringing the inner wood layer 3 and the outer wood layer 5 into close contact with the core material 2 and further pressing the head tree 6 to integrate them, and then, first, , Apply base material to all surfaces of bathtub. A fluorine-containing resin (for example, Bonflon manufactured by Asahi Glass Coat And Resin Co., Ltd.) is applied as it is or as a diluted solution with a thinner, etc., and sprayed or applied to form a fluororesin layer on the wood surface. It was to so.

Although the inner wood layer 3 and the outer wood layer 5 are attached to the core material 2 one after another in the above embodiment, the inner wood layers 3 inside and outside the container have been described in advance.
Are formed in advance, and a reinforcing material such as reinforced plastic is injected into the gap formed between these and cured to further strengthen their integration. Mechanical and mechanical stress can be sufficiently dealt with.

Further, as shown in FIGS. 2 and 4, at the upper open end of the bath 1 in which the inner wood layer 3 and the outer wood layer 5 are integrated with the core material 2, as shown in FIGS. A larger head 6 is dowel-bonded so that the upper surface of the opening end has a beautiful appearance and the opening end is prevented from expanding outward due to water pressure.

Further, a handrail hole 7 as a handrail is bored in a part of the above-mentioned headboard 6, and even an elderly person can put his or her hand on the handrail to access the bathtub when using it as a bathtub. It is easier and safer.

In the above embodiment, the inner wood layer 3 and the outer wood layer 5 are attached to both inner and outer sides of the core material 2 such as reinforced plastic. It may be provided only in this case, in which case the heat retaining property is somewhat lowered in use as a bathtub, but in addition to being practically advantageous in terms of cost, the above-mentioned advantages are sufficiently obtained. .

Regarding the actual installation of the bathtub 1, almost all of the outer surface of the bathtub 1 is buried, that is, only the headstock faces the floor surface of the bathtub, or a part of the outer surface of the bathtub 1 is installed. It may be installed so that it is buried in the wall.
In such a case, the inner wood layer 3 and / or the outer wood layer 5 on the outer surface side of the core material 2 can be omitted in the portion buried in the floor surface or the wall surface of the bathtub 1 while saving the material. Only the inner surface side of the core material 2 can be a wood layer having beautiful wood grain.

In the above embodiment, the wood layer is the inner wood layer 3 and the outer wood layer 5 superposed on each other.
Instead of the inner wood layer 3, a space may be provided between the core material 2 and a wood layer such as the outer wood layer 5, or a heat insulating material may be interposed. Adiabatic effect and heat retention can be obtained.

Although a wooden bathtub has been described in the above embodiment, it is also possible to apply it to other containers such as a water storage tank, a cold storage, a brewing tank, etc. The same effect can be obtained.

[0036]

As described above, according to the present invention, the container-shaped core material and the wood layer provided so as to cover at least the inner surface of the core material are provided on the surface of the wood layer. Since it is configured to provide a fluororesin processed film, the heat retention property of wood,
There is an effect that a wooden capacity with excellent design and durability can be secured at low cost while obtaining the beauty of wood grain and the softness of the skin.

Further, since the wood layer is attached to the core material, or the core material is formed by injecting the reinforced plastic material between the two wood layers, the wood layer can be securely bonded to the core material. It is possible to obtain the effect that these strengths can be remarkably improved.

Further, since the wood layer is provided so as to cover the core material through the space or the heat insulating material, it is possible to obtain the effect of further improving the heat insulating property and heat retaining property.

Furthermore, by gathering small skirting boards as a wood layer through a packing material, it is possible to absorb mutual deformation due to a difference in thermal expansion between the wood and the core material and prevent deterioration of the strength of the wood layer. Since the cap tree formed with handrails is dowel-bonded to the opening end surface of the container made of the core material and the wood layer, it is possible to obtain an effect that even an elderly person can easily enter and leave the bathtub.

Also, an internal wood layer made of laminated lumber of laminated lumber laminated with a core material on a core material, and a laminated lumber provided so as to intersect with and cover the laminated direction of the wooden lumber. Since it is composed of an outer wood layer made of wood, it is possible to form an extremely strong wooden bathtub.

Further, since the fluororesin-processed film applied to the surface of the wood layer is applied with the interposition of the base agent, the adhesion between the wood layer surface and the fluororesin film is improved, and there is almost no risk of peeling. There is an extremely excellent effect that the durability of the bathtub is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire bathtub according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the bathtub in FIG.

3 is an enlarged perspective sectional view showing a laminated structure of the bathtub in FIG. 1. FIG.

4 is a plan view of the bathtub in FIG. 1. FIG.

FIG. 5 is a perspective view showing a conventional wooden bathtub.

[Explanation of symbols]

 1 Bathtub 2 Core material 3 Inner wood layer (wood layer) 3a, 5a Small width wood 4 Packing material 5 External wood layer (wood layer) 6 Kasagi 7 Handrail

Claims (10)

(57) [Claims] 1. A container-shaped bathtub core material, a wood layer provided so as to cover at least the inner surface of the core material on the bathtub side, and a fluororesin-processed film applied to the surface of the wood layer as an undercoating agent. A bathtub that is characterized by being interposed. 2. The bathtub according to claim 1, wherein the wood layer is attached to the core material. 3. The bathtub according to claim 1, wherein the wood layer is provided so as to cover the core material through a predetermined space. 4. The bathtub according to claim 1, wherein the wood layer is provided so as to cover the core material with a heat insulating material having a predetermined thickness interposed therebetween. 5. The bathtub according to claim 1, wherein the core material is formed by injecting a reinforced plastic material between two layers of wood. 6. The bathtub according to claim 1, wherein the wood layer covering the inner surface of the core material is made by assembling a narrow skirting board through a packing material. 7. The bathtub according to claim 1, wherein the container-shaped core material and a headboard formed with handrails are bonded to the open end surface of the wood layer. 8. A container-shaped bath core material, an inner wood layer provided so as to cover at least the bath-side inner surface of the core material, and an outer wood layer provided so as to cover the outer surface of the core material. A bathtub characterized in that a fluororesin-processed film is applied to the surfaces of the inner and outer wood layers through a base agent. 9. The inner wood layer is made of laminated lumber of a skirting board bonded to a core material, and the outer wood layer is made of laminated wood of a skirting tree laminated to a core material. The bathtub according to item 8. 10. The wood layer covering the inner surface of the core material is made by laminating a narrow skirting board through a packing material, and the outer wood layer is made of a glutinous wood laminated material forming the inner wood layer. 9. The bathtub according to claim 8, wherein the bathtub comprises an outer wood layer made of laminated lumber that is provided so as to cross the laminated direction and cover the laminated wooden board.