JPH0628596Y2 - Simple tatami mat - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a simple tatami mat, and more specifically, to a mobile house,
The present invention relates to a simple tatami mat which is useful for prefabricated houses, bungalows, earthquake emergency floors, etc. and has excellent heat retention, mildew resistance, and flame retardancy.

[Prior Art] Most of the traditionally used tatami mats use straw as a material for tatami floors, and it is also known that such a tatami mat uses foamed polyurethane as a tatami mat. There is. (For example, Japanese Utility Model Publication No. 38-7858, Japanese Utility Model Publication No. 3
It is also known that a foam having a skin layer on the surface is used as a tatami floor (8-8953, JP-B-51-4506). (For example, the actual Kosho 52
-17936).

In addition, a flame-retardant insect-proof paper is provided between the tatami floor and the tatami mat in order to prevent the occurrence of insects such as mites on the tatami mat and tatami mat (for example, Japanese Utility Model Laid-Open No. 54-10852) or tatami mats. It is also known to stack felt on the floor. (For example, Japanese Utility Model Publication No. 52-47855). and again,
It is also known to sew the hem cloth to the tatami mat, change the hem cloth and fix it on the back side of the tatami floor with fasteners or adhesive tape, and to fix the tatami mat on the back surface of the tatami floor with fasteners or adhesive tape. Has been. (For example, Japanese Utility Model Publication No. 37-14978,
JP-B-57-60580, JP-B-53-3881
No. 9).

Furthermore, it is also known that the above mentioned hem has a double-sided tape. (For example, Japanese Utility Model Publication No. 50-9769).

[Problems to be solved by the invention]

Generally, conventional tatami mats are mainly made of straw, and their size is as large as 2 shaku 9 inch x 5 shaku 8 inch, so they have considerable weight, which makes them suitable for mobile homes and construction sites. It was not suitable for use in temporary buildings such as prefabricated houses or emergency floors for earthquakes.

Also, when tatami mats for straw floors are used in buildings such as mountain huts and bungalows in places with high humidity, the tatami mats easily rot under the influence of humidity,
There was a problem of mold.

A tatami mat, which uses a lightweight polyurethane foam that does not rot in place of such a straw mat, is known from the above, but the tatami mat does not have sufficient strength on the surface and side corners. On the other hand, there is a tatami of the above invention having a skin layer on the surface as a foam, but since the tatami mat is a foam such as polyethylene or polypropylene, the tatami mat has a considerable weight even if the expansion ratio is considerably large. However, it was not satisfactory as a lightweight simple tatami flooring material.

And as mentioned above, it has been attempted to provide flame-retardant insect-proof paper between the tatami floor and the tatami mat in order to prevent insects such as mites from being generated on the tatami mat, but the fungicide-proof and flame-retardant properties are also provided. The sexual performance was not satisfied at the same time.

There is also a tatami floor with a cushioning property by placing a felt on the upper surface of the tatami floor as described above, but it does not combine the properties of mold resistance and flame retardancy, but it is used in a humid place. Had some drawbacks.

Furthermore, the tatami mats above and tatami mats, which are sewn to the tatami mats with double-sided adhesive tape, are attached to the back of the tatami floor with fasteners or adhesive tape. The moldability and flame retardancy were not satisfied at the same time.

As a result of various investigations aimed at obtaining a simple tatami mat that eliminates the above-mentioned drawbacks, the present inventors have selected a hard foam polyurethane having a skin layer on the surface as a tatami mat, and as a result, a skin layer on the surface. It was found that it is much lighter in weight and stronger than the foamed polyethylene and polypropylene that have Then, a non-woven cloth and a mildew-proof difficult-to-twist paper were placed between the tatami floor and the tatami mat, and the edge cloth was bent along the corner of the tatami mat, and was fastened on the back side of the tatami mat together with the tatami mat on the stile side. We have found that a simple tatami mat that has excellent strength at the corners and sides of the tatami floor, sufficient strength against local pressure on the tatami mat, and cushioning properties, is lightweight, and has excellent anti-mold and flame-retardant properties. Then, the present invention was reached.

[Means for Solving Problems] That is, according to the present invention, a square (thickness of 2 to 5 cm, width of 75.8 to 97.6 cm) rigid foamed polyurethane whose entire surface is formed of the skin layer 3 is used for the tatami floor 1. In the simple tatami, the non-woven fabric 4 and the anti-mold flame-retardant paper 5 are laminated between the tatami floor 1 and the tatami mat 6, and the edge cloth 7 sewn on the tatami mat 6 with the thread 8 is the tatami mat 1
It is a simple tatami which is folded back from the side surface to the back surface and is fixed by a stopper 9 on the back surface of the tatami floor 1 together with the tatami mat 6 on the stile side.

[Action]

The simple tatami of the present invention constructed as described above, in particular, the tatami floor is made of square rigid polyurethane foam having a skin layer on the entire surface, so the tatami floor is lightweight, and the corners or front and back surfaces are It has sufficient strength.

That is, since the external force is dispersed by the skin layer of the entire surface of the rigid foamed polyurethane, sufficient strength is imparted to the pressing portion and the surface, and the restorability is provided even when a heavy object is placed.

In addition, the simple tatami of the present invention comprises a non-woven cloth and a mildew-proof flame-retardant paper between the tatami floor and the tatami-mat, so that the presence of the cushioning, moderate anti-mildew, and flame-retardant of the tatami floor are provided. It can be expected that various characteristics will be improved.

〔Example〕

Hereinafter, the present invention will be specifically described based on the embodiments shown in the drawings.

In the drawing, 1 is a tatami floor of the present invention, and is composed of a rigid polyurethane foam 2 having a skin layer 3 on the entire surface as shown in FIG. The tatami floor 1 has a square shape and has a thickness of about 2 to 5 cm and a width of 75.8 to 97.6 cm.

The hard foamed polyurethane 2 having the skin layer 3 on the surface has a skin layer on the surface as compared with commonly used hard foamed polyurethane, expanded polystyrene, etc., and thus has strength at corners and surface strength against pressing. It is much lighter than the conventionally known foamed polyethylene or foamed polypropylene having a skin layer on the surface.

As shown in FIG. 2, a non-woven cloth 4 and a mildewproof flame-retardant paper 5 having heat insulation and cushioning are laminated on the tatami floor 1 and a tatami mat 6 is placed thereon.

Since the non-woven cloth 4 and the mildew-proof flame-retardant paper 5 are laminated between the tatami floor 1 and the tatami mat 6 of the present invention, the skin layer surface of the rigid polyurethane foam is further strengthened. It has become a thing. Further, the tatami mat 6 is sewn with the hem cloth 7 on both sides thereof with the thread 8 by the sewing machine.

As shown in FIG. 3, the edge cloth 7 is bent along the corner of the tatami floor 1 and is fixed to the back surface of the tatami floor 1 by a stopper 9.

On the other hand, as shown in FIG. 2, the end portion of the tatami mat 6 on the stile side is bent along the corner of the tatami floor 1 like the edge cloth, and is fastened by the fasteners 9 on the back surface of the tatami floor 1. The invented simple tatami mat is constructed.

The simple tatami of the present invention is configured as described above, and its size is square and the weight is about 4 to 6 kg, so that it can be freely carried by women and children. It is useful as a tatami mat for bungalows and mountain cottages, or as an emergency mat for natural disasters.

[Brief description of drawings]

FIG. 1 is a sectional view of a tatami floor, FIG. 2 is a partially enlarged sectional view of a stile side, FIG. 3 is a partially enlarged sectional view of a flat pricking side, and FIG. 4 is a state in which a simple tatami mat of the present invention is spread. It is a top view. 1 ...... tatami floor 2 ...... rigid foamed polyurethane 3 ...... skin layer 4 ...... non-woven cloth 5 ...... mold-proof flame-retardant paper 6 ...... tatami mat 7 ...... edge cloth 8 ...... thread 9 ...... stopper

Claims (1)

[Scope of utility model registration request] 1. A simple tatami mat having a square hard foamed polyurethane whose entire surface is formed of a skin layer 3 as a tatami mat 1, and a non-woven fabric 4 and a mildew-proof flame-retardant paper between the tatami mat 1 and tatami mat 6. The edge cloth 7 in which 5 is laminated and sewn to the tatami mat 6 with the thread 8 is folded back from the side surface of the tatami floor 1 to the back surface, and is fastened together with the tatami mat 6 on the back side of the tatami mat 1 by the fastener 9. A simple tatami mat that is characterized by