JPH09291688A - Tatami straw mat floor - Google Patents
Tatami straw mat floorInfo
- Publication number
- JPH09291688A JPH09291688A JP10545096A JP10545096A JPH09291688A JP H09291688 A JPH09291688 A JP H09291688A JP 10545096 A JP10545096 A JP 10545096A JP 10545096 A JP10545096 A JP 10545096A JP H09291688 A JPH09291688 A JP H09291688A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- tatami
- tatami mat
- plate
- floor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Floor Finish (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は製造が容易で、品質の優
れた畳床に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tatami mat which is easy to manufacture and has excellent quality.
【０００２】[0002]
【従来の技術】近年、畳床を構成する藁の一部あるいは
全部が熱可塑性樹脂発泡体やインシュレーションボード
等で形成された畳が使用されるようになってきている。
一方、従来よりも厚みが薄く軽い素材の畳の需要が増え
つつある。例えば特開平７−２１７１６３号公報には、
ベニヤ板の両面に厚さ方向に圧縮した発泡体を積層した
畳床を使用した畳が開示されている。ベニヤ板を畳床に
使用すると、畳全体の厚さを薄くでき、しかも厚みが薄
い割には適度な強度が得られることから、薄畳には特に
有効に使用されている。2. Description of the Related Art In recent years, tatami mats, which partially or wholly make up a tatami mat floor, are made of a thermoplastic resin foam, an insulation board, or the like.
On the other hand, the demand for tatami mats, which are thinner and lighter than before, is increasing. For example, in Japanese Patent Laid-Open No. 7-217163,
A tatami mat is disclosed that uses a tatami floor in which foamed sheets compressed in the thickness direction are laminated on both sides of a plywood board. When a veneer board is used for a tatami floor, the thickness of the entire tatami can be reduced, and since the thickness of the tatami is moderate, a suitable strength can be obtained.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、ベニヤ
板を一定寸法に切断する場合には鋸や鋭利な刃物を使用
しなければならないことから、切削加工に少し手間がか
かるという問題があった。また、畳表と畳床とを縫着す
る際に、ベニヤ板の有する固さが逆に作業性を損なうと
いう問題があった。以上の理由からベニヤ板と同等かそ
れ以上の物性を有し、且つベニヤ板よりも切削加工性に
優れた製造の容易な素材が求められていた。However, when cutting the veneer plate to a certain size, a saw or a sharp blade must be used, which causes a problem that the cutting process requires a little labor. Further, when the tatami mat and the tatami floor are sewn together, there is a problem that the hardness of the veneer plate adversely impairs workability. For the above reasons, there has been a demand for a material which has physical properties equal to or higher than those of the veneer plate and which is superior in cutting workability to the veneer plate and which can be easily manufactured.
【０００４】この発明者は、前記畳床の問題点を解決す
るために鋭意研究した結果、本発明を完成したもので、
本発明の目的は、切削加工が容易で且つ曲げ剛性等の物
性に優れた畳床を提供するものである。The present inventor has completed the present invention as a result of earnest research to solve the problems of the tatami floor.
An object of the present invention is to provide a tatami floor that is easy to cut and has excellent physical properties such as bending rigidity.
【０００５】[0005]
【課題を解決するための手段】即ち、本発明の要旨は、
熱可塑性樹脂３０〜７０重量％と木粉７０〜３０重量％
との混合物が押出成形された板状物が積層されてなるこ
とを特徴とする畳床である。前記木粉としては、大鋸
屑、かんなくず、端材の粉砕品等があげられる。特に１
０〜１００メッシュの粒子が良い物性が得られる点で好
ましい。That is, the gist of the present invention is as follows.
30-70% by weight of thermoplastic resin and 70-30% by weight of wood flour
It is a tatami mat characterized by being formed by laminating extruded plate-like materials. Examples of the wood powder include sawdust, cannabis, and crushed end materials. Especially 1
Particles of 0 to 100 mesh are preferable because good physical properties can be obtained.
【０００６】前記熱可塑性樹脂としては、ポリプロピレ
ン系樹脂又はポリエチレン系樹脂又はエチレン酢酸ビニ
ル共重合体樹脂が畳床を加工する時の縫製、切削性の点
で好ましい。前記熱可塑性樹脂の中でもポリプロピレン
は耐熱性の点で特に好ましい。前記各熱可塑性樹脂は単
独で用いても、また樹脂同士を混合して用いても良い。The thermoplastic resin is preferably a polypropylene resin, a polyethylene resin, or an ethylene vinyl acetate copolymer resin in terms of sewing and cutting properties when processing a tatami floor. Among the thermoplastic resins, polypropylene is particularly preferable in terms of heat resistance. Each of the thermoplastic resins may be used alone, or the resins may be mixed and used.
【０００７】板状物の厚みは、０．５〜５ｍｍであるこ
とが、必要とされる物性、あるいは縫製、切削加工性の
点から好ましい。また、畳床に断熱性、曲げ剛性の向上
や、柔らかい感触を与えたり、重量を分散させる目的
で、板状物に、熱可塑性樹脂発泡体、インシュレーショ
ンボード、藁、紙材のうち少なくとも一つを積層させる
ことは好ましい態様である。The thickness of the plate-like material is preferably 0.5 to 5 mm from the viewpoint of required physical properties or sewing and cutting workability. In addition, for the purpose of improving heat insulation and bending rigidity of the tatami floor, giving a soft feel, and distributing weight, at least one of thermoplastic resin foam, insulation board, straw, and paper material is used as the plate-like material. Laminating two is a preferred embodiment.
【０００８】[0008]
【発明の実施の形態】本発明について詳細に説明する。
本発明の板状物としては、熱可塑性樹脂３０〜７０重量
％と木粉（松、檜、樫等の端材を３０メッシュに粉砕し
て乾燥したもの）７０〜３０重量％とを予め混合し、押
出機のホッパーから該混合物を投入してフラット金型か
ら押し出した後、２本の鉄ロールに挟み、冷却して厚さ
１ｍｍ、巾１２００ｍｍの板状物を得た。DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in detail.
The plate-like material of the present invention is preliminarily mixed with 30 to 70% by weight of a thermoplastic resin and 70 to 30% by weight of wood powder (a pine, cypress, oak etc. milled into 30 mesh and dried). Then, the mixture was charged from the hopper of the extruder, extruded from the flat mold, sandwiched between two iron rolls, and cooled to obtain a plate-shaped product having a thickness of 1 mm and a width of 1200 mm.
【０００９】板状物は単独で用いることも可能である
が、断熱性を付加させたり、踏み心地を良くしたり、柔
らかい感触をもたせる為に、前記板状物の片面あるいは
両面に熱可塑性樹脂発泡体、インシュレーションボー
ド、藁、紙材等を両面接着テープやゴム系の接着剤等の
接着手段を用いて積層させても良い。特に熱可塑性樹脂
発泡体は、断熱性、軽量性、緩衝性に優れ、しかも衛生
的であるので特に好ましい。The plate-like material may be used alone, but one or both sides of the plate-like material may be made of a thermoplastic resin in order to add heat insulating property, improve the feeling of stepping, and give a soft feeling. Foams, insulation boards, straws, paper materials and the like may be laminated using an adhesive means such as a double-sided adhesive tape or a rubber adhesive. In particular, a thermoplastic resin foam is particularly preferable because it has excellent heat insulating properties, lightweight properties, buffer properties, and is hygienic.
【００１０】前記熱可塑性樹脂発泡体としては、ポリス
チレン、ポリプロピレン、ポリエチレン、架橋ポリエチ
レン、スチレン改質ポリエチレン、ポリウレタン、ＥＶ
Ａ等の発泡体があげられる。中でも、ポリスチレン樹脂
の押出発泡体は、断熱性、剛性、生産性の点で優れてい
る。ポリスチレン樹脂の押出発泡体の密度としては、２
８〜３５ｋｇ／ｍ3が強度、軽量性の点から好適であ
る。As the thermoplastic resin foam, polystyrene, polypropylene, polyethylene, cross-linked polyethylene, styrene-modified polyethylene, polyurethane, EV
Examples of the foam include A. Above all, the extruded foam of polystyrene resin is excellent in heat insulation, rigidity, and productivity. The density of the extruded foam of polystyrene resin is 2
8 to 35 kg / m 3 is preferable in terms of strength and lightness.
【００１１】本発明の板状物は、熱可塑性樹脂３０〜７
０重量％と木粉７０〜３０重量％との混合物からなる。
熱可塑性樹脂が３０重量％未満であると欠けや割れを生
じ易く、実用上好ましくなく、逆に７０重量％を超える
と縫製が難しく、風合いや吸湿性の点で好ましくない。
本発明において使用する板状物の厚さは、加工を容易に
する目的のため、余り厚いものは使用できず、０．５〜
５ｍｍ程度のものが好ましく、０．５ｍｍ以下のもので
は畳床としての曲げ剛性が保てず、また、５ｍｍを越え
るものでは切削加工性、逢着作業性が悪くなり、目的に
合わない。The plate-like material of the present invention comprises a thermoplastic resin 30-7.
It consists of a mixture of 0% by weight and 70 to 30% by weight of wood flour.
If the thermoplastic resin content is less than 30% by weight, chipping or cracking is likely to occur, which is not preferable for practical use. Conversely, if it exceeds 70% by weight, sewing is difficult and it is not preferable in terms of texture and hygroscopicity.
Regarding the thickness of the plate-like material used in the present invention, for the purpose of facilitating the processing, a too thick material cannot be used, and is 0.5 to
It is preferably about 5 mm, and if it is 0.5 mm or less, the flexural rigidity as a tatami floor cannot be maintained, and if it exceeds 5 mm, the cutting workability and adhesion workability deteriorate, which is not suitable for the purpose.
【００１２】本発明で使用しうる熱可塑性樹脂発泡体と
しては、ポリウレタン、ＥＶＡ、架橋ポリエチレン、ポ
リプロピレン、ポリエチレン等の発泡体を挙げることが
できる。圧縮ポリウレタン発泡体は、繰り返し圧縮して
も残留ひずみが小さい点で薄畳等には好ましい。この場
合、畳の厚みにもよるが、この圧縮発泡体の厚さは約２
ｍｍ程度のものが好ましい。一般用の畳においては、ポ
リスチレン発泡体が、断熱性、軽量性、緩衝性の点で最
も好ましい。Examples of the thermoplastic resin foam that can be used in the present invention include foams such as polyurethane, EVA, crosslinked polyethylene, polypropylene and polyethylene. The compressed polyurethane foam is preferable for thin tatami mats because the residual strain is small even after repeated compression. In this case, depending on the thickness of the tatami mat, the thickness of this compressed foam is about 2
mm is preferable. In a common tatami mat, a polystyrene foam is most preferable in terms of heat insulation, lightness, and cushioning.
【００１３】板状物に熱可塑性樹脂発泡体、インシュレ
ーションボード、藁、紙材等を積層することによって、
畳表面の柔らかい感触が得られ、また、荷重分散を行う
ことができるので、畳全体の厚みを薄くしても曲げ剛性
等の強度を持たせることができる。曲げ弾性率として
は、ＪＩＳ Ｋ−７２０３に準拠して常温測定した１ｍ
ｍ厚みで２０００〜１００００ＭＰａの範囲が望まし
い。By laminating a thermoplastic resin foam, an insulation board, a straw, a paper material, etc. on a plate-like material,
Since the soft texture of the tatami mat surface can be obtained and the load can be distributed, strength such as bending rigidity can be provided even if the thickness of the tatami mat is reduced. The flexural modulus is 1 m measured at room temperature according to JIS K-7203.
A range of 2000 to 10,000 MPa in m thickness is desirable.
【００１４】板状物と熱可塑性樹脂発泡体、インシュレ
ーションボード、藁、紙材等との積層手段としては特に
限定するものではないが、一般的に畳糸を使用して縫製
する事が多く、その他の手段として、両面接着テ−プ等
を使用することもできる。また、畳表と、その長手方向
の側縁部に重ねた畳縁とは、従来の畳の場合と同様に針
で縫ったり、ホチキスで止めたりして取り付ける。本発
明で使用する畳表及び畳縁は通常の畳で使用されている
ものと同じで、例えば、畳表については、い草等を麻糸
等の糸で織ったもの、又は、ポリプロピレン等の合成樹
脂を使用し、また、畳縁については綿、合成樹脂等の通
常のものを使用する。畳の裏面は積層した熱可塑性樹脂
発泡体、インシュレーションボード、藁、紙材等の保護
のために、例えば、ポリプロピレンクロス等のシ−トを
貼着することが好ましい。The laminating means for laminating the plate-like material with the thermoplastic resin foam, insulation board, straw, paper material, etc. is not particularly limited, but in general, tatami thread is often used for sewing. Alternatively, a double-sided adhesive tape or the like can be used as another means. In addition, the tatami mat and the tatami edges that overlap the side edges in the longitudinal direction are sewn with a needle or stapled and attached as in the case of a conventional tatami mat. The tatami mat and the tatami mat used in the present invention are the same as those used in ordinary tatami mats. For example, for tatami mats, weeds made of hemp threads or the like, or synthetic resins such as polypropylene are used. For the tatami mat, ordinary ones such as cotton and synthetic resin are used. To protect the laminated thermoplastic resin foam, insulation board, straw, paper material and the like, it is preferable to attach a sheet of polypropylene cloth or the like to the back surface of the tatami mat.
【００１５】[0015]
【実施例】次に実施例として図面に基づいて本願発明を
具体的に説明する。図１は本願発明の畳床を使用した畳
で、図２はＡＡの切断端面である。図２において、１は
ポリプロピレン樹脂７０重量％と木粉（３０メッシュ粉
砕品）３０重量％との混合物が押出成形されて得られ
た、厚み１ｍｍの板状物である。曲げ弾性率は、３７５
０ＭＰａであった。（ＪＩＳ Ｋ−７２０３に準拠 常
温） 板状物１の下面に厚み１５ｍｍ、密度３０ｋｇ／ｍ3の
ポリスチレン樹脂発泡体２を両面テープで積層させた。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be specifically described with reference to the drawings as an embodiment. FIG. 1 is a tatami using the tatami floor of the present invention, and FIG. 2 is a cut end surface of AA. In FIG. 2, reference numeral 1 is a plate-shaped product having a thickness of 1 mm obtained by extrusion-molding a mixture of 70% by weight of polypropylene resin and 30% by weight of wood powder (30 mesh crushed product). Flexural modulus is 375
It was 0 MPa. (Standard temperature according to JIS K-7203) A polystyrene resin foam 2 having a thickness of 15 mm and a density of 30 kg / m 3 was laminated on the lower surface of the plate-shaped material 1 with a double-sided tape.
【００１６】この畳床に畳表４を畳床の端縁部に沿って
折り返し、その端部を畳裏に積層したポリエチレン樹脂
発泡体３の端部に設けた凹部に取付け裏面を平らにす
る。そして、畳表の側縁部には畳縁５を重ね通常の畳の
場合と同様に畳床に取付ける。得られた畳は厚さが約１
８ｍｍで、軽量で取扱が容易であり、また、表面は平ら
でクッション性に富んでいる。縫製作業も問題なく行わ
れた。必要に応じて裏面全体にポリプロピレンクロスを
接着剤又は両面テ−プ等で貼着してもよい。On the tatami mat, the tatami mat 4 is folded back along the edge of the tatami mat, and the end of the tatami mat is attached to a recess provided at the end of the polyethylene resin foam 3 laminated on the tatami mat and the back surface is made flat. Then, the tatami edge 5 is overlapped on the side edge portion of the tatami mat and attached to the tatami floor as in the case of a normal tatami mat. The obtained tatami mat has a thickness of about 1
It is 8 mm, lightweight and easy to handle, and the surface is flat and has a good cushioning property. The sewing work was done without problems. If necessary, polypropylene cloth may be attached to the entire back surface with an adhesive or a double-sided tape.
【００１７】本実施例では、熱可塑性樹発泡体を使用し
たが、インシュレーションボード、藁、紙材等を用途、
目的に応じて使用することができる。また、ハニカム材
料、パーム繊維板等を使用することも可能である。Although a thermoplastic resin foam is used in this embodiment, it is used for insulation boards, straws, paper materials, etc.
It can be used according to the purpose. It is also possible to use a honeycomb material, palm fiber board, or the like.
【００１８】[0018]
【発明の効果】以上述べたように、本願発明の畳床は、
熱可塑性樹脂３０〜７０重量％と木粉７０〜３０重量％
との混合物が押出成形された板状物からなることを特徴
としているので、品質が均一で、ベニヤ板に比べて切削
加工性、逢着作業性に優れるため、畳の製造を容易に行
うことができる。また、ベニヤ板よりも風合いが良く、
防虫性に優れる。さらに吸水性がなく、吸湿性を有する
ので、適度の湿度を保つことができ、仮に畳に水等の液
体をこぼしても、畳床にしみこむことがないので衛生的
である。また、熱伝導性に優れるため、暖房畳等として
使用する場合には極めて有用である。吸水性を有するイ
ンシュレーションボード、藁、紙材等を積層して使用す
る場合には、上面に本願発明の板状物を配置させるか、
板状物のさらに上面に吸水性のない独立気泡を有する、
例えばポリエチレン樹脂発泡シート等を積層すればよ
い。As described above, the tatami floor of the present invention is
30-70% by weight of thermoplastic resin and 70-30% by weight of wood flour
It is characterized in that the mixture with and is made of extruded plate-like material, so that the quality is uniform, and it has better cutting workability and adhesion workability than veneer boards, so that tatami can be easily manufactured. . Also, the texture is better than plywood,
Excellent in insect repellency. Furthermore, since it does not absorb water and has hygroscopicity, it is possible to maintain an appropriate humidity, and even if a liquid such as water is spilled on the tatami mat, it does not soak into the tatami mat and is hygienic. Further, since it has excellent thermal conductivity, it is extremely useful when used as a heating tatami mat or the like. Insulation board having a water-absorbing property, straw, when laminated and used, etc., the plate-like object of the present invention is arranged on the upper surface,
It has closed cells with no water absorption on the upper surface of the plate-like material.
For example, a polyethylene resin foam sheet or the like may be laminated.
【００１９】さらに、板状物に、熱可塑性樹脂発泡体、
インシュレーションボード、藁、紙材等を積層すると、
表面が柔らかく、踏み心地がよく、柔らかい感触が得ら
れ、しかも、曲げ剛性等の機械的強度、断熱性を持たせ
ることができる等の効果を奏する。以上より本願の畳床
は、一般の畳、薄畳、暖房畳等に好適に使用できる。Further, the plate-shaped material is provided with a thermoplastic resin foam,
When insulation board, straw, paper materials, etc. are laminated,
The effect is that the surface is soft, comfortable to walk on, a soft feel can be obtained, and mechanical strength such as bending rigidity and heat insulation can be provided. From the above, the tatami floor of the present application can be suitably used for general tatami mats, thin tatami mats, heating tatami mats, and the like.
【図１】 本発明にかかる畳床を使用した畳FIG. 1 A tatami mat using a tatami mat floor according to the present invention
【図２】 図１における切断線ＡＡの切断端面図FIG. 2 is a cut end view of a cutting line AA in FIG.
１ 板状物 ２、３ 熱可塑性樹脂発泡体 ４
畳表 ５ 畳縁1 plate-like material 2, 3 thermoplastic resin foam 4
Tatami mat 5 tatami mat
Claims (4)
０〜３０重量％との混合物が押出成形された板状物が積
層されたものからなることを特徴とする畳床。1. A thermoplastic resin of 30 to 70% by weight and wood flour 7
A tatami mat, characterized in that it comprises a laminate of plate-like materials extruded with a mixture of 0 to 30% by weight.
又はポリエチレン系樹脂又はエチレン酢酸ビニル共重合
体樹脂のいずれか、またはそれらの混合物であることを
特徴とする特許請求の範囲第１項記載の畳床。2. The tatami mat according to claim 1, wherein the thermoplastic resin is any one of a polypropylene resin, a polyethylene resin, an ethylene vinyl acetate copolymer resin, or a mixture thereof. floor.
ことを特徴とする特許請求の範囲第１項又は第２項に記
載の畳床。3. The tatami floor according to claim 1 or 2, wherein the plate-shaped material has a thickness of 0.5 to 5 mm.
ュレーションボード、藁、紙材のうち少なくとも一つが
積層されてなることを特徴とする特許請求の範囲第１項
又は第２項又は第３項記載の畳床。4. The plate-like material is laminated with at least one of a thermoplastic resin foam, an insulation board, a straw, and a paper material. The tatami floor described in item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10545096A JPH09291688A (en) | 1996-04-25 | 1996-04-25 | Tatami straw mat floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10545096A JPH09291688A (en) | 1996-04-25 | 1996-04-25 | Tatami straw mat floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09291688A true JPH09291688A (en) | 1997-11-11 |
Family
ID=14407934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10545096A Pending JPH09291688A (en) | 1996-04-25 | 1996-04-25 | Tatami straw mat floor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09291688A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000030845A1 (en) * | 1998-11-19 | 2000-06-02 | G.O.R. Applicazioni Special S.P.A. | Multilayer panel and use thereof as a formwork |
| KR100380226B1 (en) * | 1998-08-26 | 2003-04-14 | 마츠시다 덴코 가부시키가이샤 | Floor panel |
| KR100484703B1 (en) * | 2001-08-10 | 2005-04-22 | 가부시키가이샤 브리지스톤 | Sound insulating material and sound insulating structure |
| JP2020101075A (en) * | 2018-12-21 | 2020-07-02 | 積水成型工業株式会社 | Floor material |
-
1996
- 1996-04-25 JP JP10545096A patent/JPH09291688A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100380226B1 (en) * | 1998-08-26 | 2003-04-14 | 마츠시다 덴코 가부시키가이샤 | Floor panel |
| WO2000030845A1 (en) * | 1998-11-19 | 2000-06-02 | G.O.R. Applicazioni Special S.P.A. | Multilayer panel and use thereof as a formwork |
| KR100484703B1 (en) * | 2001-08-10 | 2005-04-22 | 가부시키가이샤 브리지스톤 | Sound insulating material and sound insulating structure |
| JP2020101075A (en) * | 2018-12-21 | 2020-07-02 | 積水成型工業株式会社 | Floor material |
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