JPH0458384B2 - - Google Patents
Info
- Publication number
- JPH0458384B2 JPH0458384B2 JP59167241A JP16724184A JPH0458384B2 JP H0458384 B2 JPH0458384 B2 JP H0458384B2 JP 59167241 A JP59167241 A JP 59167241A JP 16724184 A JP16724184 A JP 16724184A JP H0458384 B2 JPH0458384 B2 JP H0458384B2
- Authority
- JP
- Japan
- Prior art keywords
- fabric
- polyurethane resin
- resin layer
- layer
- moisture permeability
- 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.)
- Expired - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
Description
(イ) 産業上の利用分野
本発明は、高伸縮性と高透湿性を有する防水性
積層体の製造方法に関するものである。
(ロ) 従来の技術
従来から、防水性積層体の製法として、フイル
ムの両面に布帛を接着する方法はよく知られてお
り、そのフイルムとして透湿性フイルムを用いる
ことにより積層体に透湿性を付与することも公知
である。しかしこの場合、接着による透湿性の低
下は防ぐことが難しく、たとえ接着剤として透湿
性を有する樹脂を用いても良好な解決方法となつ
ておらず、又接着層が２層あることから、伸縮性
の良好なものは得難く、透湿性の面でも不十分な
ものが多い。
(ハ) 発明が解決使用しようとする問題点
本発明は、従来の方法では得難い良好な伸縮性
と透湿性を有する防水性積層体の製造方法を提供
しようとするものである。
(ニ) 問題点を解決するための手段及び作用
本発明は、撥水性，通気性及び伸縮性を有する
布帛を作製する第１工程、前記布帛の少なくとも
片面に通気度が50c.c.／cm2・sec以下となるごとく
カレンダ加工を行う第２工程、前記布帛のカレン
ダ加工した片面にダイレクトコーテイングにより
透湿度が4000ｇ／m2・24hrs以上で伸縮性の多孔
質ポリウレタン系樹脂層を形成する第３工程並び
に前記多孔質ポリウレタン系樹脂層に通気性及び
伸縮性を有する布帛を点状又は線状に接着する第
４工程からなることを特徴とする防水性積層体の
製造方法である。
本発明により得られる防水性積層体は、表基布
層，中間樹脂層及び裏基布層の３層の組合せから
なる構造を有している。本発明の第１工程並びに
第２工程で作製する布帛は表基布層であり、第３
工程で作成する多孔質ポリウレタン系樹脂層は中
間樹脂層であり、又第４工程で接着する布帛は裏
基布層である。
表基布層となる第１工程で作製する布帛は、撥
水性及び通気性を持つことが必要である。即ち、
その撥水性により雨や雪の浸入を防ぐことがで
き、通気性は中間樹脂層の透湿性を生かし、最終
製品の防水性積層体に透湿性を付与することがで
きる。又表基布層の布帛は伸縮性を有することが
必要であり、中間樹脂層の伸縮性を生かし防水性
積層体に伸縮性を付与することができる。伸縮性
の程度は中間樹脂層の伸縮性と同程度のものでよ
い。前記通気性及び伸縮性は、特別に組織の緻密
なものを除いて、通常の組織の織編物等の布帛
で、通気度50c.c.／cm2・sec前後，伸長率20％以上
のものでほぼ満足され、又撥水度は、常法により
弗素系，珪素系等の撥水剤を用いて撥水加工を施
した、撥水度（JIS Ｌ−1096スプレー法）80以上
のものが望ましい。
表基布層とする布帛は、織物，編物，不織布等
のいずれでもよく、天然繊維，合成繊維等の単
独，混紡，交撚，交編織のいずれで構成されてい
てもよい。
本発明の第２工程では、第１工程で作製した布
帛に対し、次の第３工程で行うダイレクトコーテ
イング加工時のポリウレタン系樹脂の該布帛内へ
の浸透を防ぐため、カレンダ加工を行う。カレン
ダ加工は、前記布帛の少なくとも片面に行うこと
が必要であり、カレンダ加工後の布帛の通気度が
50c.c.／cm2・sec以下とすることが必要である。通
気度が50c.c.／cm2・secより大きいと、次の第３工
程におけるポリウレタン系樹脂のダイレクトコー
テイングの際、布帛内への樹脂の浸透が大きく、
最終製品の風合硬化や伸縮性の低下が生じる。カ
レンダ加工は、通常艷出し加工あるいは目詰め加
工等に用いられる加熱金属ロールとコツトンロー
ルの組合せで構成されるカレンダ加工機で、加圧
加熱により行うことができる。
本発明の第３工程では、表基布層となる布帛
の、前記第２工程でカレンダ加工を行つた片面に
ポリウレタン系樹脂をダイレクトコーテイングし
て中間樹脂層を形成し、これにより最終製品の積
層体に防水性が付与される。この場合、経方向の
張力が、布帛を経方向に伸長しない程度の小さい
状態で行うことが望ましい。布帛が経方向に伸長
された状態でダイレクトコーテイングした場合、
ポリウレタン系樹脂の布帛内への浸透が大きくな
り、最終製品の風合硬化や滲出性の低下が生じる
傾向があり、好ましくない。
本発明において、上記のごとくポリウレタン系
樹脂をダイレクトコーテイングして、即ち接着剤
を介さずに表基布層に直接樹脂塗布して、中間樹
脂層を形成することにより、布帛とあらかじめ形
成したフイルム層を接着剤を介して接着する従来
構造のものに比べて、透湿性の低下を極めて小さ
くすることができる。
本発明において、表基布層上に形成するダイレ
クトコーテイングポリウレタン系樹脂層は、多孔
質で伸縮性及び透湿性を有していることが必要で
ある。多孔質とは、例えば峰の巣状の微細孔が多
数存在する状態であり、これにより高い透湿性並
びに高い伸縮性を付与することができる。本発明
の多孔質ポリウレタン系樹脂層の形成は、通常の
湿式加工によつても、又物理発泡あるいは化学発
泡による乾式加工によつても行うことができる。
上記多孔質ポリウレタン系樹脂層の伸縮性は20％
以上が望ましく、又伸縮方向に片寄りが無く、い
ずれの方向にも伸びることが望ましい。さらに透
湿性は、JIS Ｚ−0208に基づいて測定した透湿度
として4000ｇ／m2・24hrs以上であることが必要
であり、透湿度が4000ｇ／m2・24hrs未満では、
裏基布層との接着に伴う透湿度の低下により、本
発明の目的とする高透湿性を得ることが困難であ
る。
本発明で用いるポリウレタン系樹脂は、ジオー
ル成分とジイソシアネート成分からなるウレタン
結合をもつ高分子化合物であり、そのジオール成
分並びにジイソシアネート成分の種類については
特に限定は無い。
次に本発明の第４工程において、第３工程で表
基布層の片面に形成した中間樹脂層である多孔質
ポリウレタン系樹脂に、裏基布層となる布帛を接
着筒所が点状又は線状となるごとく接着させる。
布帛として、通気性及び伸縮性を有するものを用
いることが必要であるが、通気性は多孔質ポリウ
レタン系樹脂層の透湿性を阻害しなければ特に制
限は無く、又伸縮性は該多孔質ポリウレタン系樹
脂層の伸縮性と同程度であれば良い。接着剤は、
特に限定は無いが、揉みや洗濯により、積層体が
剥離を起こすことの無い程度の接着性を有するこ
とが必要である。
本発明において、中間樹脂層の多孔質ポリウレ
タン系樹脂層と裏基布層の布帛との接着は点状又
は線状で行うが、これは点状又は線状に部分的に
接着剤を塗布することにより達成される。この点
状又は線状の接着により、接着後得られる３層の
積層体の透湿性の低下を最小限にすることがで
き、全面接着したものに比べて透湿性の低下は極
めて小さい。上記の接着剤の塗布は、多孔質ポリ
ウレタン系樹脂層又は布帛のいずれの側に行つて
もよい。
(ホ) 実施例
ナイロンフイラメント糸70d／34fを用いて丸編
機により編成し、常法により弗素系撥水剤で撥水
加工を施して、目付210ｇ／m2の丸編地（撥水度
100，通気度80c.c.／cm2・sec）を作製し、該丸編地
の片面にカレンダ加工（温度150℃，圧力100Kg／
cm2）を行つて通気度を25c.c.／cm2・secとし、これ
を表基布として、そのカレンダ加工面に中間樹脂
層として下記処方1.のポリウレタン系樹脂液を
200ｇ／m2の割合でコーテイング後、120℃にて２
分間の乾熱処理を行つて乾式発泡層を形成した。
処方１
VONFLEX Ｌ−7501（ポリウレタン系樹脂：大
日本インキ化学工業(株)） 100部
VONFLEX Ｆ−５（発泡剤：大日本インキ化学
工業(株)） ５部
Ｆ−110（シリコン系柔軟剤：大日本インキ化学工
業(株)） ２部
メチルエチルケトン ５部
次に、裏基布として綿糸60′Sとナイロン仮撚加
工糸70d／34fの交編による目付150ｇ／m2の丸編
地（通気度100c.c.／cm2・sec）を用い、前記乾式発
泡多孔質ポリウレタン系樹脂層と、下記処方2.の
ポリウレタン系接着剤により点状接着させた。
処方２
クリスボン4070（ポリウレタン系樹脂：大日本イ
ンキ化学工業(株)） 100部
クリスボンCL−２（架橋剤：大日本インキ化学工
業(株)） 18部
クリスボンアクセルHR（架橋促進剤：大日本イ
ンキ化学工業(株)） ２部
クリスボンアシスターAD−81（添加剤：大日本
インキ化学工業(株)） ５部
トルエン 20部
得られた積層体の各種性能を測定した。その結
果を第１表に示す。
(a) Industrial Application Field The present invention relates to a method for manufacturing a waterproof laminate having high elasticity and high moisture permeability. (b) Conventional technology Conventionally, as a method for manufacturing waterproof laminates, a method of gluing fabric on both sides of a film is well known, and by using a moisture permeable film as the film, moisture permeability is imparted to the laminate. It is also known to do so. However, in this case, it is difficult to prevent a decrease in moisture permeability due to adhesion, and even if a resin with moisture permeability is used as an adhesive, it is not a good solution. It is difficult to obtain materials with good properties, and many have insufficient moisture permeability. (c) Problems to be Solved by the Invention The present invention aims to provide a method for manufacturing a waterproof laminate having good elasticity and moisture permeability that are difficult to obtain with conventional methods. (d) Means and effects for solving the problems The present invention provides a first step of producing a fabric having water repellency, breathability, and stretchability, wherein at least one side of the fabric has an air permeability of 50 c.c./cm. A second step of calendering the fabric to a temperature of 2.sec or less, and a second step of forming a stretchable porous polyurethane resin layer with a moisture permeability of 4000 g/m 2.24 hrs or more by direct coating on one side of the calendered fabric. This is a method for producing a waterproof laminate, comprising three steps and a fourth step of adhering a breathable and stretchable fabric to the porous polyurethane resin layer in dots or lines. The waterproof laminate obtained by the present invention has a structure consisting of a combination of three layers: a front fabric layer, an intermediate resin layer, and a back fabric layer. The fabric produced in the first step and the second step of the present invention is a surface fabric layer, and the fabric produced in the third step
The porous polyurethane resin layer created in this step is an intermediate resin layer, and the fabric bonded in the fourth step is a back base fabric layer. The fabric produced in the first step, which becomes the surface fabric layer, needs to have water repellency and breathability. That is,
Its water repellency prevents rain and snow from entering, and the breathability of the intermediate resin layer can be utilized to impart moisture permeability to the final waterproof laminate. Furthermore, the fabric of the front base fabric layer must have elasticity, and the elasticity of the intermediate resin layer can be utilized to impart elasticity to the waterproof laminate. The degree of stretchability may be the same as that of the intermediate resin layer. The above air permeability and elasticity refers to fabrics such as woven and knitted fabrics with a normal structure, excluding those with a particularly dense structure, with an air permeability of around 50 c.c./cm 2 sec and an elongation rate of 20% or more. The water repellency level is approximately 80 or higher (JIS L-1096 spray method), which is obtained by applying a water repellent treatment using a fluorine-based or silicon-based water repellent using a conventional method. desirable. The fabric used as the surface base fabric layer may be any of woven fabrics, knitted fabrics, non-woven fabrics, etc., and may be composed of natural fibers, synthetic fibers, etc. alone, blended, twisted, mixed, knitted, and woven. In the second step of the present invention, the fabric produced in the first step is subjected to calendering in order to prevent the polyurethane resin from penetrating into the fabric during the direct coating process performed in the next third step. It is necessary to perform calendering on at least one side of the fabric, and the air permeability of the fabric after calendering is
It is necessary to keep it below 50c.c./cm2・sec. If the air permeability is greater than 50 c.c./cm 2 sec, the resin will penetrate into the fabric significantly during the direct coating of polyurethane resin in the next third step.
Hardening of the texture and reduction of elasticity of the final product occur. Calender processing can be performed by pressure heating using a calender processing machine that is composed of a combination of heated metal rolls and cotton rolls, which are normally used for elongation processing, filling processing, etc. In the third step of the present invention, polyurethane resin is directly coated on one side of the fabric that is to be the front fabric layer, which has been calendered in the second step, to form an intermediate resin layer, thereby forming a laminated layer of the final product. Makes the body waterproof. In this case, it is desirable that the tension in the warp direction be so small as not to stretch the fabric in the warp direction. When the fabric is directly coated while being stretched in the warp direction,
This is undesirable because the polyurethane resin tends to penetrate into the fabric to a large extent, which tends to harden the texture of the final product and reduce exudation. In the present invention, as described above, the polyurethane resin is directly coated, that is, the resin is applied directly to the surface fabric layer without using an adhesive to form an intermediate resin layer, and the fabric and the preformed film layer are coated directly. Compared to the conventional structure in which the material is bonded with an adhesive, the decrease in moisture permeability can be extremely small. In the present invention, the direct coating polyurethane resin layer formed on the surface fabric layer needs to be porous, stretchable, and moisture permeable. Porous is a state in which a large number of fine pores exist, for example, in the shape of a nest of peaks, and this allows high moisture permeability and high elasticity to be imparted. The porous polyurethane resin layer of the present invention can be formed by ordinary wet processing or by dry processing using physical foaming or chemical foaming.
The elasticity of the above porous polyurethane resin layer is 20%
The above is desirable, and it is also desirable that there is no deviation in the direction of expansion and contraction, and that it stretches in any direction. Furthermore, the moisture permeability must be 4000g/ m2・24hrs or more as measured based on JIS Z-0208, and if the moisture permeability is less than 4000g/ m2・24hrs,
Due to the decrease in moisture permeability due to adhesion with the backing fabric layer, it is difficult to obtain the high moisture permeability that is the objective of the present invention. The polyurethane resin used in the present invention is a polymeric compound having a urethane bond consisting of a diol component and a diisocyanate component, and there are no particular limitations on the types of the diol component and diisocyanate component. Next, in the fourth step of the present invention, the fabric that will become the back base fabric layer is bonded to the porous polyurethane resin that is the intermediate resin layer formed on one side of the front base fabric layer in the third process, so that the adhesive tubes are dotted or Glue it in a linear manner.
It is necessary to use a fabric that has breathability and stretchability, but there is no particular restriction on breathability as long as it does not impede the moisture permeability of the porous polyurethane resin layer, and stretchability depends on the porous polyurethane resin layer. It is sufficient if the elasticity is the same as that of the resin layer. The adhesive is
Although there is no particular limitation, it is necessary that the laminate has adhesiveness to the extent that it will not peel off when rubbed or washed. In the present invention, the porous polyurethane resin layer of the intermediate resin layer and the fabric of the back base fabric layer are bonded in dots or lines, and this is done by partially applying adhesive in dots or lines. This is achieved by This point-like or linear adhesion can minimize the decrease in moisture permeability of the three-layer laminate obtained after adhesion, and the decrease in moisture permeability is extremely small compared to the case where the entire surface is adhered. The above adhesive may be applied to either side of the porous polyurethane resin layer or the fabric. (E) Example A circular knitted fabric (water repellent level ) of nylon filament yarn 70d/34f was knitted using a circular knitting machine and treated with a fluorine-based water repellent using a conventional method.
100, air permeability 80 c.c./cm 2 sec), and calendered one side of the circular knitted fabric (temperature 150°C, pressure 100 kg/sec).
cm 2 ) to give an air permeability of 25 c.c./cm 2 sec, use this as a base fabric, and apply a polyurethane resin liquid of the following formulation 1. as an intermediate resin layer on the calendered surface.
After coating at a rate of 200g/ m2 , 2 at 120℃
A dry foam layer was formed by performing a dry heat treatment for 1 minute. Formulation 1 VONFLEX L-7501 (polyurethane resin: Dainippon Ink & Chemicals Co., Ltd.) 100 parts VONFLEX F-5 (foaming agent: Dainippon Ink & Chemicals Co., Ltd.) 5 parts F-110 (silicone softener: Dainippon Ink & Chemicals Co., Ltd.) 2 parts Methyl ethyl ketone 5 parts Next, as a backing fabric, a circular knitted fabric with a basis weight of 150 g/m 2 (air permeability 100c.c./cm 2 ·sec), and the dry foamed porous polyurethane resin layer was bonded in spots with a polyurethane adhesive having the following formulation 2. Formulation 2 Crisbon 4070 (polyurethane resin: Dainippon Ink & Chemicals Co., Ltd.) 100 parts Crisbon CL-2 (crosslinking agent: Dainippon Ink & Chemicals Co., Ltd.) 18 parts Crisbon Accel HR (crosslinking accelerator: Dainippon Ink & Chemicals Co., Ltd.) Ink Kagaku Kogyo Co., Ltd.) 2 parts Crisbon Assister AD-81 (Additive: Dainippon Ink Kagaku Kogyo Co., Ltd.) 5 parts Toluene 20 parts Various performances of the obtained laminate were measured. The results are shown in Table 1.
【表】
第１表の記載から明らかなごとく、本発明の積
層体は、透湿性，伸縮性，防水性，風合共に良好
であつた。
(ヘ) 発明の効果
本発明は、上記の構成を有し、伸縮性と浸透性
の良好な防水性積層体を容易に製造することがで
き、さらに得られる防水性積層体は卓越した伸縮
性，透湿性及び柔軟性により、身体にフイツトし
て、なおかつ動きやすく、しかも汗などによるむ
れの無い、スキー，スケート，登山等の防水性ス
ポーツ衣料用素材として極めてすぐれたものであ
る。[Table] As is clear from the description in Table 1, the laminate of the present invention had good moisture permeability, elasticity, waterproofness, and texture. (F) Effects of the Invention The present invention has the above-mentioned configuration and can easily produce a waterproof laminate with good stretchability and permeability, and furthermore, the obtained waterproof laminate has excellent stretchability. It is an excellent material for waterproof sports clothing for skiing, skating, mountain climbing, etc., because of its moisture permeability and flexibility, it fits the body and is easy to move in, and does not get stuffy due to sweat.
Claims (1)
製する第１工程、前記布帛の少なくとも片面に通
気度が50c.c.／cm2・sec以下となるごとくカレンダ
加工を行う第２工程、前記布帛のカレンダ加工し
た片面にダイレクトコーテイングにより透湿度が
4000ｇ／m2・24hrs以上で伸縮性の多孔質ポリウ
レタン系樹脂層を形成する第３工程並びに前記多
孔質ポリウレタン系樹脂層に通気性及び伸縮性を
有する布帛を点状又は線状に接着する第４工程か
らなることを特徴とする防水性積層体の製造方
法。1. A first step of producing a fabric having water repellency, breathability, and stretchability; a second step of calendering at least one side of the fabric so that the air permeability is 50 c.c./cm 2 ·sec or less; Moisture permeability is achieved by direct coating on one side of the calendered fabric.
A third step of forming a stretchable porous polyurethane resin layer at 4000 g/m 2 · 24 hours or more, and a third step of bonding a breathable and stretchable fabric to the porous polyurethane resin layer in dots or lines. A method for producing a waterproof laminate, comprising four steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59167241A JPS6144626A (en) | 1984-08-09 | 1984-08-09 | Preparation of waterproof laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59167241A JPS6144626A (en) | 1984-08-09 | 1984-08-09 | Preparation of waterproof laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6144626A JPS6144626A (en) | 1986-03-04 |
| JPH0458384B2 true JPH0458384B2 (en) | 1992-09-17 |
Family
ID=15846074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59167241A Granted JPS6144626A (en) | 1984-08-09 | 1984-08-09 | Preparation of waterproof laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144626A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085397A (en) * | 2012-11-15 | 2013-05-08 | 苏州金尚豪纺织有限公司 | Home stain-resistant fabric |
| CN111745952B (en) * | 2020-07-06 | 2021-12-10 | 福建华峰运动用品科技有限公司 | 3D (three-dimensional) pattern fabric using waterborne polyurethane primer and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0229502B2 (en) * | 1981-01-27 | 1990-06-29 | Tore Kk | SHINSHUKUSEINOARUTSUKISEISEKISONUNONOSEIZOHOHO |
| JPS57154455A (en) * | 1981-03-13 | 1982-09-24 | Asahi Chemical Ind | Production of fabric |
| JPS58166036A (en) * | 1982-03-26 | 1983-10-01 | セ−レン株式会社 | Novel waterproof, moisture-permeable pasting cloth |
| JPS6012411Y2 (en) * | 1982-08-03 | 1985-04-22 | モリト株式会社 | Base fabric for athletic shoe uppers |
-
1984
- 1984-08-09 JP JP59167241A patent/JPS6144626A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6144626A (en) | 1986-03-04 |
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