JPH0432443Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to simple tatami mats, and more specifically, the invention has insect-proof and mold-proof properties that are effective as mobile houses, prefabricated houses, bungalows, emergency tatami mats for disasters, etc. ,Flame retardance,
This relates to lightweight, simple tatami mats with excellent heat retention.

[Conventional technology]

Most of the tatami mats commonly used in the past have used straw as the material for the tatami floor, and there are also known tatami mats in which the straw floor is replaced with lightweight foamed polyurethane. (For example, Utility Model Publication No. 38-7858, Utility Model Publication No. 38-8953, Publication Utility Model Number 51-4506)
Also known is a tatami floor in which foamed polystyrene plates and glass fiber non-woven fabric are alternately laminated.
(For example, Utility Model Publication No. 43-16351) In order to prevent insects such as mites from growing on the tatami floor and tatami surface, flame-retardant insect-proof paper should be placed between the tatami floor and the tatami surface (for example, Utility Model Publication No. 16351) -108525 Publication) or so that a part of the above insect repellent paper wraps around the back side of the tatami floor (for example, Jichikodai Publication No. 12-8223), the hem cloth is sewn to the tatami surface, and the hem cloth is turned over and the tatami mat is It is also known to attach tatami mats to the back side of the floor with adhesive tape, and to attach tatami mats to the back side of the tatami floor with adhesive tape. (For example, Mikiaki
37-14978, U.S. Pat. No. 53-38819) It is also known that the above-mentioned hem fabrics have double-sided tape. (For example, Publication of Utility Model Publication No. 50-9769) [Problems that the invention aims to solve] In general, conventional tatami mats mainly use straw for the flooring material, and their size is 2 shaku 9 sun x 5 shaku. Due to its large size of 8 inches, it is quite heavy, making it unsuitable for use in temporary buildings such as mobile houses and prefabricated houses at construction sites, or as emergency floors for earthquake disasters. Furthermore, when straw-bedded tatami mats are used in buildings located in humid areas, such as mountain huts and bungalows, the tatami-matted flooring tends to rot due to the influence of humidity, and there is a problem in that mold grows.
In place of such straw beds, tatami mats made of lightweight and non-perishable foamed polyurethane are also known as mentioned above, and glass fiber cloth is also integrally molded to reinforce this foam. However, simply using such a tatami floor as a simple tatami mat does not satisfy the strength of the side part of the tatami floor or the insect repellency, mold resistance, and flame retardance of the tatami mat.

On the other hand, as mentioned above, it is also known to place flame-retardant insect-proof paper etc. between the tatami floor and the tatami surface, but this method simultaneously achieves the three properties of insect-proofing, mold-proofing, and flame-retardant properties. It is not satisfactory, and even the sides of the tatami floor have not been strengthened.

Furthermore, a tatami floor in which a part of the insect-proof paper is wrapped around the back side of the tatami floor is known from the above-mentioned Jikkodai Publication No. 12-8223, and it has both mildew resistance and flame retardancy at the same time. However, since it was not lightweight, it was not suitable for use as a simple tatami mat.

Furthermore, the tatami mats mentioned above are not lightweight enough to be used as simple tatami mats, and are not lightweight enough to be used as simple tatami mats. However, the properties of fire resistance and flame retardancy were not satisfied at the same time.

The inventors of the present invention conducted various studies with the aim of creating a simple tatami mat that eliminates the above-mentioned drawbacks, and as a result, they adopted a hard polyurethane foam board with glass fiber cloth integrally molded on both sides as the tatami floor. Apply the insect-proof, mildew-proof, and flame-retardant paper on the tatami floor so that it goes from the side to the back side of the tatami floor, and then wrap the edge cloth and the tatami face on the stile side from above to the back of the tatami floor, and then use adhesive tape. We arrived at the present invention by discovering that the simple tatami mats obtained by fixing the tatami mats are lightweight and have excellent strength at the corners of the tatami mats, and also satisfy the properties of insect repellency, mildew resistance, and flame retardance at the same time.

[Means for solving problems]

In other words, the present invention is a square (thickness 1.5 to 5 cm, width 75.8 to 97.6 cm) with glass fiber cloth 2 integrally molded on both sides.
cm) hard polyurethane foam 9 is used as the tatami mat floor 1, and an insect-proof, mildew-proof, flame-retardant paper 3 and a tatami cover 7 are placed on the tatami-proof tatami floor 1. And the hem cloth 5 sewn to the tatami floor 7 is adhesively laminated so as to go from the side to the back side of the tatami floor 1, and is fixed with adhesive tape 8 on the back side of the tatami floor 1 together with the tatami floor 7 on the stile side. This is a simple tatami mat with a special feature.

When the glass fiber cloth 2 is integrally molded on the rigid polyurethane foam 9 according to the present invention, the glass fiber cloth 2 is placed in a mold with preset dimensions, and a foamable polyurethane solution is injected into the mold to harden and release. A molding method is used.

In this invention, the shape of the tatami is made into a square because
This is because we focused on functionality such as transportation, storage, and spreading. In the present invention, an insect-proof, mildew-proof and flame-retardant paper 3 is placed on the top surface of the tatami floor 1, but this paper is not intended to prevent insects, mold, etc. The purpose is also to strengthen the side parts of the tatami floor 1.

In addition, the hem cloth 5 sewn to the tatami facing 7 and the tatami facing on the stile side are also constructed by pasting them from the side to the back of the tatami floor 1 in the same manner as the insect-proof, mildew-proof and flame-retardant paper 4, so that the entire tatami area is covered. Strength is also improved.

〔Example〕

Hereinafter, the present invention will be explained in detail with reference to Examples.

In the figure, 1 is the tatami floor of the present invention, and the material is hard polyurethane foam 9, with glass fiber cloth 2 on both sides.
is integrally molded. The above-mentioned tatami floor is square and has a thickness of approximately 1.5 to 5 cm and a width of 75.8 to 97.6 cm.

As shown in FIG. 2, insect-proof, mildew-proof, and flame-retardant paper 3 is laminated on top of the above-mentioned tatami floor 1, and this insect-proof, mildew-proof, and flame-retardant paper 3 is spread from the side to the back of the tatami floor 1. It is attached with adhesive etc.

A tatami cover 7 is further laminated on the laminate consisting of the tatami floor 1 and the insect-proof, mildew-proof and flame-retardant paper 3.
As shown in FIG. 4, on both sides of the above-mentioned tatami surface 7, a border fabric 5 is provided with double-sided adhesive tape 4 provided with a release paper.
are sewn in advance with thread 6.

One of the features of the present invention is that the hem cloth 5 is turned around so that it runs from the side to the back side of the tatami floor 1, similar to the insect-proof, mildew-proof and flame-retardant paper, and is attached to both sides.

To attach the above-mentioned hem cloth 5 to the tatami floor 1, peel off the release paper of the double-sided adhesive tape 4, turn the hem cloth 5 over, fold it along the side of the tatami floor 1, and attach it to the back side of the tatami floor 1. , stays attached.

In the present invention, an adhesive tape 8 is pasted on the hem cloth 5 in order to firmly adhere the hem cloth 5 to the back surface of the tatami floor 1.

On the other hand, as shown in FIG. 3, the end of the tatami facing 7 on the stile side is bent along the side of the tatami bed 1 like the edge cloth, turned to the back side of the tatami bed 1, and fixed with adhesive tape 8. The devised simple tatami mat is constructed.

[Function and effect of the idea]

As mentioned above, the simple tatami mat of the present invention is extremely lightweight because the tatami floor is made of glass fiber cloth with hard polyurethane foam sandwiched between them.

Furthermore, since this glass fiber cloth is not simply laminated, but is integrally molded during molding of rigid polyurethane foam, there is no fear that the glass fiber cloth will shift, unlike conventional products in which polystyrene foam plates and glass fiber cloth are alternately laminated.

In addition, insect-proof, mildew-proof and flame-retardant paper is pasted from the top of the tatami floor to the back of the sides, making it insect- and mildew-proof.
At the same time as the flame retardant effect, the strength of the side surfaces of the tatami floor is improved, and the strength of the tatami as a whole is increased, preventing corners from chipping or bending. Furthermore, since the surface of the tatami floor beneath the flame-retardant paper is made of non-combustible glass fiber, the action of both has the effect of preventing the spread of fire to the tatami floor underneath even if the tatami surface is scorched by a cigarette or the like.

The simple tatami mat of the present invention is hygienic as it does not allow the growth of insects or mold and does not easily corrode.

The simple tatami mat of this invention has excellent effects as mentioned above, and its size is square and weighs about 4~
It is lightweight at 6kg, so even women and children can carry it freely.

The simple tatami of the present invention having the above-mentioned effects has great practical value as tatami for mobile houses at construction sites, tatami for bungalows and mountain villas, or tatami for emergency use in case of natural disasters, etc.

[Brief explanation of drawings]

Figure 1 is a sectional view of the tatami floor, Figure 2 is a partially enlarged sectional view of the flat side, Figure 3 is a partially enlarged sectional view of the stile side, Figure 4 is a partially enlarged plan view of the tatami mat side, and Figure 5 is a partially enlarged sectional view of the tatami mat side. FIG. 2 is a plan view showing a state in which the simple tatami mats of the present invention are completely laid. 1... Tatami floor, 2... Glass fiber cloth, 3... Insect-proof, mildew-proof, flame-retardant paper, 4... Double-sided adhesive tape, 5... Edge cloth, 6... Thread, 7... Tatami facing, 8... Adhesive tape,
9...Rigid polyurethane foam.

Claims (1)

[Scope of utility model registration request] The tatami floor 1 is a square (1.5 to 5 cm thick, 75.8 to 97.6 cm) rigid polyurethane foam 9 with glass fiber cloth 2 integrally molded on both sides, and the insect-proof, mildew-proof, and flame-retardant paper 3 is placed on top of the tatami floor 1. This is a simple tatami mat on which a tatami cover 7 is placed, and the insect-proof, mildew-proof and flame-retardant paper 3 and the edge cloth 5 sewn to the tatami cover 7 are adhesively laminated so as to go from the side of the tatami floor 1 to the back side, and This simple tatami mat is characterized in that it is fixed to the back side of the tatami floor 1 with adhesive tape 8 along with the tatami face 7.