JPH09109305A - Manufacture of composite material having a heat retaining property, moisture absorbing/releasing and water absorbing heat-generating property - Google Patents
Manufacture of composite material having a heat retaining property, moisture absorbing/releasing and water absorbing heat-generating propertyInfo
- Publication number
- JPH09109305A JPH09109305A JP29168595A JP29168595A JPH09109305A JP H09109305 A JPH09109305 A JP H09109305A JP 29168595 A JP29168595 A JP 29168595A JP 29168595 A JP29168595 A JP 29168595A JP H09109305 A JPH09109305 A JP H09109305A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- fiber
- melting point
- absorbing
- heat
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000003578 releasing effect Effects 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 105
- 238000002844 melting Methods 0.000 claims abstract description 28
- 230000008018 melting Effects 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 14
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 14
- 230000004927 fusion Effects 0.000 claims abstract description 4
- 238000003795 desorption Methods 0.000 claims description 8
- 230000020169 heat generation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 4
- 239000011162 core material Substances 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、吸放湿性及び保温
性に優れ、しかも、吸湿あるいは吸水した場合に発熱す
るような複合材に関し、特に、靴の中敷き、靴の内張
り、布団の芯材、防寒用衣料等に適したものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite material which is excellent in moisture absorption and desorption and heat retention and generates heat when it absorbs moisture or water, and particularly to a shoe insole, a shoe lining, and a futon core material. , Those suitable for winter clothing, etc.
【０００２】[0002]
【従来の技術】靴の中敷きや内張り等の素材としては、
従来は、ポリウレタンフォームシート（以下「フォーム
シート」という）を使用したものや、あるいは、保温性
の良い繊維をフェルト状の不織布としたもの等が使用さ
れてきた。2. Description of the Related Art As materials for insoles and linings of shoes,
Conventionally, a polyurethane foam sheet (hereinafter referred to as "foam sheet") or a felt-like non-woven fabric made of fibers having good heat retention has been used.
【０００３】しかし、フォームシートは、クッション性
には優れているものの、フォームシートそのものには保
温性や吸放湿性に乏しい。そのため、十分な保温性を得
るには、シートを厚くしなければならず、そうすると、
吸放湿性が悪いため、靴内部のムレが生じるという問題
があった。However, although the foam sheet is excellent in cushioning property, the foam sheet itself is poor in heat retaining property and moisture absorbing / releasing property. Therefore, in order to obtain sufficient heat retention, the sheet must be made thick, and then
There is a problem that stuffiness inside the shoes occurs due to poor moisture absorption and desorption.
【０００４】一方、吸放湿性を有する繊維をフェルト状
にした素材では、靴内部のムレに関してはかなり改良さ
れるが、保温性及びクッション性が悪く、履き心地が良
くないという問題があった。On the other hand, the felt-like material made of fibers having moisture absorbing / releasing properties has considerably improved the stuffiness inside the shoes, but has a problem that the heat retaining properties and the cushioning properties are poor and the wearing comfort is not good.
【０００５】[0005]
【発明が解決しようとする課題】本願は、上記の問題の
解決を図ったもので、吸放湿性と保温性に優れ、かつ吸
湿及び吸水によって発熱して保温効果をより高め、しか
も、クッション性も良好な複合材の製造方法を提供する
ことを目的としている。DISCLOSURE OF THE INVENTION The present invention is intended to solve the above problems and is excellent in moisture absorption and desorption and heat retention, and heat generation due to moisture absorption and water absorption enhances the heat retention effect. Also aims to provide a good method of manufacturing a composite material.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、吸放湿吸水発熱性繊維と、高融点繊維と
低融点繊維とからなる複合繊維とを混合してウェブを形
成し、このウェブを軟質ポリウレタンフォームシートに
重ね、ニードルパンチにより繊維同士及び繊維と軟質ポ
リウレタンフォームシートとを絡ませた後、上記低融点
繊維の融点以上に加熱して繊維相互および繊維と上記軟
質ポリウレタンフォームシートとを融着により結合させ
ることを特徴としている。In order to achieve the above-mentioned object, the present invention forms a web by mixing moisture absorbing / releasing water absorbent heat generating fiber and a composite fiber composed of a high melting point fiber and a low melting point fiber. Then, this web is superposed on a flexible polyurethane foam sheet, and after the fibers are entangled with each other by a needle punch and the fibers and the flexible polyurethane foam sheet are entangled with each other, the fibers are heated above the melting point of the low-melting fiber and the fibers and the flexible polyurethane foam are mixed. It is characterized in that the sheet and the sheet are joined by fusion.
【０００７】上記の方法において、上記吸放湿吸水発熱
性繊維と複合繊維との混合比が、重量比で、９：１ない
し５：５としたり、繊維目付を１０〜３００ｇ／ｍ２と
することが望ましい。In the above method, the mixing ratio of the moisture absorbing / releasing water absorbing heat generating fiber and the composite fiber is 9: 1 to 5: 5 by weight, or the fiber areal weight is 10 to 300 g / m2. Is desirable.
【０００８】[0008]
【発明の実施の形態】以下に本発明の実施例を図面を用
いて説明する。図１は本発明により製造された複合材の
断面構造を示す図である。同図において、１はフォーム
シート、２は繊維層を示す。繊維層２は、図中に細い線
で示した吸放湿吸水発熱性繊維２ａと、太い線で示した
複合繊維２ｂとを混合して形成している。なお、吸放湿
吸水発熱性繊維２ａと複合繊維２ｂを図では太さの差と
して表したが、これは、便宜上のことであり、必ずしも
実際どおりのものを表すものではない。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a cross-sectional structure of a composite material manufactured according to the present invention. In the figure, 1 is a foam sheet and 2 is a fiber layer. The fiber layer 2 is formed by mixing the moisture absorbing / releasing water absorbing heat generating fiber 2a shown by a thin line in the figure and the composite fiber 2b shown by a thick line. In addition, although the moisture absorbing / releasing water absorbing and heat generating fiber 2a and the composite fiber 2b are shown as the difference in thickness in the drawing, this is for convenience and does not always represent the actual one.
【０００９】フォームシート１は、軟質ポリウレタンフ
ォームを所望の厚さにスライスしてシート状にしたもの
である。シートの厚さは、１〜５０ｍｍの範囲で用途に
合わせて決められる。１ｍｍ未満ではクッション性とい
う特性を生かせなくなり、５０ｍｍを越えると、ニード
ルパンチ機によるニードリングがほとんど不能になるか
らである。The foam sheet 1 is made by slicing a flexible polyurethane foam into a sheet having a desired thickness. The thickness of the sheet is determined in the range of 1 to 50 mm according to the application. If it is less than 1 mm, the characteristic of cushioning property cannot be utilized, and if it exceeds 50 mm, the needling by the needle punching machine becomes almost impossible.
【００１０】本発明に使用する吸放湿吸水発熱性繊維２
ａとしては、特開平２−８４５２８号公報に開示されて
いる様なアクリル繊維を改質し、繊維中に親水基を導入
し、架橋した繊維のように、吸湿性がウール以上の吸湿
性を有し、また、一般の繊維加工機で加工可能な繊維強
度を併せ持った繊維であれば、全て使用することができ
る。Moisture-absorbing / water-absorbing heat-generating fiber 2 used in the present invention
As a, a hygroscopic property is obtained by modifying an acrylic fiber as disclosed in JP-A-2-84528, introducing a hydrophilic group into the fiber, and crosslinking the fiber so that the hygroscopic property is higher than that of wool. Any fiber can be used as long as it has a fiber strength that can be processed by a general fiber processing machine.
【００１１】上記のアクリル繊維を改質した吸放湿吸水
発熱性繊維の場合、気温２０℃湿度４０％の環境条件
で、２０℃に保たれた１００ｇの水中に投入すると、約
６０Ｊ／ｇの発熱量のあるものを得ることができる。こ
れは、同一の条件におけるウール繊維の場合の発熱量、
約１５Ｊ／ｇに比較してほぼ４倍であり、非常に大き
い。In the case of the moisture absorbing / releasing water absorbing heat generating fiber obtained by modifying the above acrylic fiber, when it is put into 100 g of water kept at 20 ° C. under an environmental condition of temperature 20 ° C. and humidity 40%, it is about 60 J / g. It is possible to obtain a product having a heating value. This is the calorific value in the case of wool fiber under the same conditions,
It is almost four times as large as about 15 J / g, which is very large.
【００１２】また、上記の繊維では、吸湿量の面におい
て、相対湿度変化における重量変化率が、気温２０℃、
湿度６５％の標準状態で４０％あり、ウールの２倍以上
の差がある。さらに、吸放湿性の面では、温度を２０℃
と一定に保ち、湿度を９０％と４５％の２とおりに９０
分毎に変化させた場合、約３０分で吸放湿が平衡状態に
達し、極めてレスポンスが良い。Further, in the above fiber, in terms of the amount of moisture absorption, the rate of change in weight due to changes in relative humidity is
The humidity is 40% under the standard condition of 65%, which is more than double the difference of wool. Furthermore, in terms of moisture absorption and desorption, the temperature should be 20 ° C.
Keep it constant and keep the humidity 90% and 45% 90%
When changed every minute, the moisture absorption and desorption reaches an equilibrium state in about 30 minutes, and the response is extremely good.
【００１３】図２は、複合繊維２ｂの構造を示す図であ
る。複合繊維２ｂは、高融点繊維３を芯材とし、その外
側に低融点繊維５を被覆させた構造である。高融点繊維
としては、ポリエステル又はポリアミド等を、低融点繊
維としては、ポリプロピレン、ポリエチレン等を使用
し、融点の差が３０℃程度できるようにしている。FIG. 2 is a diagram showing the structure of the composite fiber 2b. The composite fiber 2b has a structure in which the high melting point fiber 3 is used as a core material and the low melting point fiber 5 is coated on the outside thereof. Polyester, polyamide or the like is used as the high melting point fiber, and polypropylene, polyethylene or the like is used as the low melting point fiber so that the difference in melting point can be about 30 ° C.
【００１４】なお、複合繊維２ｂの構造としては、図示
の構造に限定されず、高融点繊維を中心にして両側に低
融点繊維を配置するサンドイッチ構造など、種々の構造
とすることができる。The structure of the composite fiber 2b is not limited to the structure shown in the figure, and various structures such as a sandwich structure in which the high melting point fiber is placed at the both sides of the low melting point fiber can be used.
【００１５】次に本発明の複合材の製造方法を説明す
る。まず、吸放湿吸水発熱性繊維２ａと複合繊維２ｂと
を所定の比率で混合した後、ウェブを形成する。ウェブ
の形成方法は、通常の不織布を作るときと同じで、カー
ド法やエヤーレイ法等の乾式でも、あるいは水等に溶融
させたスラリーから形成する湿式でもよい。Next, a method for manufacturing the composite material of the present invention will be described. First, the web is formed after mixing the moisture absorbing / releasing water absorbing heat generating fiber 2a and the composite fiber 2b at a predetermined ratio. The method for forming the web is the same as that for producing a normal non-woven fabric, and may be a dry method such as a card method or an air lay method, or a wet method formed from a slurry melted in water or the like.
【００１６】ウェブが形成されたら、これをフォームシ
ート１に重ね、図示を省略するが、ニードルパンチ機の
ストリッパープレートとベッドプレートとの間に供給す
る。フェルト針が繊維層２内の繊維を把持して両プレー
トの孔を突き抜け、繊維２ａ，２ｂをフォームシート内
に差し込み、同時に繊維同士を絡ませる。繊維２ａ，２
ｂの一部はフォームシート１の反対側に達し、反対側で
も繊維同士が絡み合う。ただし、通常のニードルパンチ
と異なり、中心にフォームシート１があるので、繊維の
絡み付きは若干弱い。After the web is formed, it is placed on the foam sheet 1 and, although not shown, it is supplied between the stripper plate and the bed plate of the needle punch machine. The felt needle grasps the fibers in the fiber layer 2 and penetrates through the holes of both plates, inserts the fibers 2a and 2b into the foam sheet, and simultaneously entangles the fibers. Fibers 2a, 2
A part of b reaches the opposite side of the foam sheet 1, and the fibers are entangled with each other on the opposite side. However, unlike the ordinary needle punch, since the foam sheet 1 is at the center, the entanglement of the fibers is slightly weak.
【００１７】そこで、ニードリングが終了したら、複合
繊維２ｂの低融点繊維５が溶融する温度以上に加熱し、
繊維層２が形成されたフォームシート１を上下から押圧
し、低融点繊維を接着剤として、吸放湿吸水発熱性繊維
２ａ同士やこれらと高融点繊維とを接着する。併せて、
繊維層２とフォームシート１とも接着する。これによっ
て、繊維層２は繊維同士の結合力が上昇し、同時にフォ
ームシート１にも接着して、繊維の抜け落ちを防止でき
る。Then, after the needling is finished, the composite fiber 2b is heated to a temperature above the melting point of the low melting point fiber 5,
The foam sheet 1 on which the fiber layer 2 is formed is pressed from above and below, and the low melting point fibers are used as an adhesive to bond the moisture absorbing / releasing water absorbing heat generating fibers 2a to each other and the high melting point fibers. together,
The fiber layer 2 and the foam sheet 1 are also bonded. As a result, in the fiber layer 2, the bonding force between the fibers is increased, and at the same time, the fibers are bonded to the foam sheet 1 and the fibers can be prevented from falling off.
【００１８】図３は、本発明の別の実施例で、フォーム
シート１が厚い場合である。ニードルパンチ機のフェル
ト針の長さにもよるが、フォームシート１が厚いと、針
がフォームシートを貫通できない場合がある。このよう
な場合でも、本発明の複合材は製造可能である。すなわ
ち、フェルト針は図３に示すようにフォームシート１の
中間までしか達しない。しかし、針の達したところとほ
ぼ同じ深さまで繊維層２は到達し、繊維同士は絡み合う
ことができる。この後、加熱して低融点繊維で融着する
のは、前記の実施例と同じである。FIG. 3 shows another embodiment of the present invention in which the foam sheet 1 is thick. Depending on the length of the felt needle of the needle punching machine, if the foam sheet 1 is thick, the needle may not be able to penetrate the foam sheet. Even in such a case, the composite material of the present invention can be manufactured. That is, the felt needle reaches only the middle of the foam sheet 1 as shown in FIG. However, the fiber layer 2 reaches almost the same depth as where the needle reaches, and the fibers can be intertwined with each other. Thereafter, heating and fusing with the low melting point fiber is the same as in the above-mentioned embodiment.
【００１９】上記において、吸放湿吸水発熱性繊維２ａ
と複合繊維２ｂとの混合比は、複合繊維２ｂを重量で１
０％以上５０％以下（吸放湿吸水発熱性繊維２ａと複合
繊維２ｂの比で９：１〜５：５）とすることが望まし
い。１０％未満では、所望の接着力を得ることができな
り、５０％を越えると、吸放湿吸水発熱繊維２ａの量が
減少しすぎて、所望の吸湿性や発熱性を得られなくなる
からである。In the above, moisture absorbing / releasing water absorbing heat generating fiber 2a
The mixing ratio of the composite fiber 2b and the composite fiber 2b is 1 by weight of the composite fiber 2b.
It is desirable to be 0% or more and 50% or less (the ratio of the moisture absorbing / releasing water absorbing heat generating fiber 2a and the composite fiber 2b is 9: 1 to 5: 5). If it is less than 10%, the desired adhesive strength cannot be obtained, and if it exceeds 50%, the amount of the moisture absorbing / releasing water absorbing heat generating fiber 2a is excessively reduced and the desired hygroscopicity or heat generating property cannot be obtained. is there.
【００２０】また、繊維層２の目付け（単位面積当たり
の質量で表す数値）は、１０〜３００ｇ／ｍ2の範囲内
とする。これが１０ｇ未満では、ニードルパンチをして
も繊維の絡まりが極端に少なくなって、繊維が脱落し易
くなり、３００ｇを越えると、ニードルパンチそのもの
が困難になってしまうからである。The basis weight of the fiber layer 2 (numerical value represented by mass per unit area) is in the range of 10 to 300 g / m 2 . This is because if it is less than 10 g, the entanglement of the fibers is extremely reduced even if needle punching is performed, and the fibers easily fall off, and if it exceeds 300 g, the needle punching itself becomes difficult.
【００２１】[0021]
【発明の効果】以上に説明したように、本発明は、吸放
湿吸水発熱性繊維と、複合繊維とを混合してウェブを形
成し、このウェブを軟質ポリウレタンフォームシートに
重ね、ニードルパンチにより該シートと繊維及び繊維同
士を絡ませた後、上記低融点繊維の融点以上に加熱して
繊維相互および繊維とポリウレタンフォームシートとを
融着により結合させるので、吸放湿性と吸水発熱性に優
れ、クッション性にも優れた複合材を得ることができ
る。この複合材は、靴の中敷きや内張りには勿論、フォ
ームシートを厚くすれば、布団の芯材や防寒衣料として
も使用することができる。As described above, according to the present invention, a web is formed by mixing moisture absorbing / releasing and water absorbing heat generating fiber and a composite fiber, and the web is superposed on a flexible polyurethane foam sheet and needle punched. After entwining the sheet and the fibers and the fibers with each other, the fibers are heated to a temperature equal to or higher than the melting point of the low melting point fibers to bond the fibers with each other and the polyurethane foam sheet by fusion, so that the moisture absorptive and desorbing property and the water absorbing and heat generating property are excellent, A composite material having excellent cushioning properties can be obtained. This composite material can be used not only as an insole or lining for shoes, but also as a core material for a futon or as a winter clothes by thickening the foam sheet.
【図１】本発明の保温性、吸放湿吸水発熱性を有する複
合材の構造を示す模式図である。FIG. 1 is a schematic diagram showing the structure of a composite material having heat retention, moisture absorption / release and water absorption / heat generation according to the present invention.
【図２】複合繊維の１例について、その構造を示す図で
ある。FIG. 2 is a diagram showing the structure of one example of a composite fiber.
【図３】本発明の別の複合材における構造を示す模式図
である。FIG. 3 is a schematic view showing the structure of another composite material of the present invention.
１ 軟質ポリウレタンフォームシート ２ 繊維層 ２ａ 吸放湿吸水発熱性繊維 ２ｂ 複合繊維 ３ 高融点繊維 ５ 低融点繊維 1 Soft Polyurethane Foam Sheet 2 Fiber Layer 2a Moisture Absorption / Desorption Water Absorption Exothermic Fiber 2b Composite Fiber 3 High Melting Point Fiber 5 Low Melting Point Fiber
Claims (3)
低融点繊維とからなる複合繊維とを混合してウェブを形
成し、このウェブを軟質ポリウレタンフォームシートに
重ね、ニードルパンチにより繊維同士及び繊維と軟質ポ
リウレタンフォームシートとを絡ませた後、上記低融点
繊維の融点以上に加熱して繊維相互および繊維と上記軟
質ポリウレタンフォームシートとを融着により結合させ
ることを特徴とする保温性、吸放湿吸水発熱性を有する
複合材の製造方法。1. A web is formed by mixing moisture-absorbing and desorbing water-absorbing exothermic fibers with a composite fiber composed of high-melting point fibers and low-melting point fibers. The web is laminated on a flexible polyurethane foam sheet, and the fibers are needle-punched. After entwining each other and the fiber and the flexible polyurethane foam sheet, the heat retention property, characterized in that the fibers are heated to a melting point or higher of the low melting point fiber and the fibers and the flexible polyurethane foam sheet are bonded by fusion bonding, A method for producing a composite material having moisture absorption / desorption, water absorption and exothermicity.
性繊維と複合繊維との混合比が、重量比で、９：１ない
し５：５であることを特徴とする、保温性、吸放湿吸水
発熱性を有する複合材の製造方法。2. The heat retaining property, the heat absorbing property as claimed in claim 1, wherein the mixing ratio of the moisture absorbing / releasing water absorbing heat generating fiber and the composite fiber is 9: 1 to 5: 5 by weight. A method for producing a composite material having moisture absorption and heat generation.
０〜３００ｇ／ｍ2であることを特徴とする、保温性、
吸放湿吸水発熱性を有する複合材の製造方法。3. The fiber unit weight according to claim 1 or 2,
0 to 300 g / m 2 , characterized by heat retention,
A method for producing a composite material having moisture absorption / desorption, water absorption and exothermicity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7291685A JP2989765B2 (en) | 1995-10-16 | 1995-10-16 | Method for producing composite material having heat retention, moisture absorption / release moisture absorption and heat generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7291685A JP2989765B2 (en) | 1995-10-16 | 1995-10-16 | Method for producing composite material having heat retention, moisture absorption / release moisture absorption and heat generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09109305A true JPH09109305A (en) | 1997-04-28 |
| JP2989765B2 JP2989765B2 (en) | 1999-12-13 |
Family
ID=17772093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7291685A Expired - Fee Related JP2989765B2 (en) | 1995-10-16 | 1995-10-16 | Method for producing composite material having heat retention, moisture absorption / release moisture absorption and heat generation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2989765B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0933467A3 (en) * | 1998-01-28 | 2000-11-29 | Toyo Boseki Kabushiki Kaisha | Heat-retaining, moisture-permeable, waterproof fabrics |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102771202B1 (en) * | 2024-03-11 | 2025-02-26 | 주식회사 발루코퍼레이션 | Pillow cushion manufacturing method |
-
1995
- 1995-10-16 JP JP7291685A patent/JP2989765B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0933467A3 (en) * | 1998-01-28 | 2000-11-29 | Toyo Boseki Kabushiki Kaisha | Heat-retaining, moisture-permeable, waterproof fabrics |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2989765B2 (en) | 1999-12-13 |
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