JP5932452B2 - Composite skin material for vehicles - Google Patents

Composite skin material for vehicles Download PDF

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JP5932452B2
JP5932452B2 JP2012093725A JP2012093725A JP5932452B2 JP 5932452 B2 JP5932452 B2 JP 5932452B2 JP 2012093725 A JP2012093725 A JP 2012093725A JP 2012093725 A JP2012093725 A JP 2012093725A JP 5932452 B2 JP5932452 B2 JP 5932452B2
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warp
skin material
weft
yarn
surface resistance
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JP2013220593A (en
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久幸 苅谷
久幸 苅谷
和徳 川村
和徳 川村
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Seiren Co Ltd
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  • Seats For Vehicles (AREA)
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Description

本発明は、車両座席などの表面を覆う表皮材に関する。詳しくは、織物からなる表皮材とポリウレタンフォームシートからなる裏打ち材とを備えてなり、軽量性と耐久性とを兼ね備えた車両用複合表皮材に関する。   The present invention relates to a skin material that covers a surface of a vehicle seat or the like. More specifically, the present invention relates to a composite skin material for a vehicle that is provided with a skin material made of a woven fabric and a backing material made of a polyurethane foam sheet and has both light weight and durability.

地球環境への負荷低減に対する関心が高まるなか、車両から排出される二酸化炭素の削減にダイレクトの結びつく車両の軽量化が重要な課題となっている。これに伴い、車両を構成するあらゆる部品において、いっそうの軽量化が求められている。   Amid growing interest in reducing the burden on the global environment, the weight reduction of vehicles that are directly linked to the reduction of carbon dioxide emitted from vehicles has become an important issue. Along with this, further weight reduction is demanded in all parts constituting the vehicle.

例えば、特許文献1には、車両座席の表皮部材として、適用される部位毎に目付の異なる織物を用いることにより、軽量化を図り得ることが記載されている。具体的には、表皮部材のうち座部や背もたれ部に相当する織物部分には、耐久性、例えば、人の着座の繰り返しに伴う損耗防止の観点から、厚く、400〜700g/mの目付のものを用い、かまち部に相当する織物部分には、薄く、200〜350g/mの目付のものを用いる。 For example, Patent Document 1 describes that, as a skin member of a vehicle seat, weight reduction can be achieved by using a fabric having a different basis weight for each part to be applied. Specifically, the fabric portion corresponding to the seat portion and the backrest portion of the skin member is thick and has a weight per unit area of 400 to 700 g / m 2 from the viewpoint of durability, for example, prevention of wear caused by repeated seating of a person. The fabric portion corresponding to the stile portion is thin and has a weight of 200 to 350 g / m 2 .

しかしながら、かまち部の表面積は、座席の全表面積に対し20〜30%にすぎず、十分な軽量化が達成されているとは言い難い。また、ほつれ防止のため、織物の裏面に樹脂が塗布されており(「バッキング」と呼ばれる)、風合いが硬くなる傾向にあった。この樹脂の乾燥重量は50〜100g/mにも及び(前記目付はこれを含んだ値である)、軽量化を妨げる要因となっていた。 However, the surface area of the stake portion is only 20 to 30% of the total surface area of the seat, and it is difficult to say that a sufficient weight reduction has been achieved. Further, in order to prevent fraying, a resin was applied to the back surface of the fabric (called “backing”), and the texture tended to be hard. The dry weight of this resin reached 50 to 100 g / m 2 (the basis weight is a value including this), which was a factor that hindered weight reduction.

実開平5−91500号公報Japanese Utility Model Publication No. 5-91500

本発明は、かかる現状に鑑みてなされたものであり、軽量でありながら、車両用途として十分な耐久性を有する複合表皮材を提供することを目的とする。   This invention is made | formed in view of this present condition, and it aims at providing the composite skin material which has sufficient durability as a vehicle use, while being lightweight.

本発明は、織物からなる表皮材と、前記表皮材の裏面に積層されたポリウレタンフォームシートからなる裏打ち材とを備えてなり、前記織物が以下の要件を満たすことを特徴とする、車両用複合表皮材である。
(1)緯方向25.4mm間に存在する経糸の繊度の合計、および、経方向25.4mm間に存在する緯糸の繊度の合計がともに9000〜18000dtexである。
(2)緯方向25.4mm間に存在する経糸の表面抵抗値の合計と、経方向25.4mm間に存在する緯糸の表面抵抗値の合計との和が160N以上である。
The present invention comprises a skin material comprising a woven fabric and a backing material comprising a polyurethane foam sheet laminated on the back surface of the skin material, wherein the woven fabric satisfies the following requirements: It is a skin material.
(1) The sum total of the fineness of the warp yarns existing between 25.4 mm in the weft direction and the total fineness of the weft yarns present between 25.4 mm in the warp direction are 9000 to 18000 dtex.
(2) The sum of the sum of the surface resistance values of the warp yarns existing in the weft direction 25.4 mm and the sum of the surface resistance values of the weft yarns existing in the warp direction 25.4 mm is 160 N or more.

前記車両用複合表皮材において、経糸および緯糸の表面抵抗値はともに0.6〜1.2Nであることが好ましい。
また、経糸および緯糸はともに紡績糸、捲縮糸、異収縮混繊糸からなる群より選択される少なくとも1種であることが好ましい。
また、織物の目付は100〜200g/mであることが好ましい。
In the vehicle composite skin material, the surface resistance values of the warp and the weft are both preferably 0.6 to 1.2N.
The warp and weft are preferably at least one selected from the group consisting of spun yarn, crimped yarn, and different shrinkage mixed yarn.
Moreover, it is preferable that the fabric weight of a textile fabric is 100-200 g / m < 2 >.

本発明によれば、軽量でありながら、車両用途として十分な耐久性を有する複合表皮材を提供することを目的とする。   An object of the present invention is to provide a composite skin material that is lightweight and has sufficient durability for vehicle use.

以下、本発明の実施の形態について、詳細に説明する。
本発明の車両用複合表皮材は、織物からなる表皮材と、前記表皮材の裏面に積層されたポリウレタンフォームシートからなる裏打ち材とを備えてなる。
Hereinafter, embodiments of the present invention will be described in detail.
The vehicle composite skin material of the present invention includes a skin material made of a woven fabric and a backing material made of a polyurethane foam sheet laminated on the back surface of the skin material.

はじめに、表皮材としての織物について説明する。
織物とは、周知の通り、糸条を経(タテ)と緯(ヨコ)に組み合わせて作った布地である。
First, the woven fabric as the skin material will be described.
As is well known, a woven fabric is a fabric made by combining yarns with warp and weft.

糸条を構成する繊維(単繊維)の素材は特に限定されるものではなく、例えば、天然繊維、再生繊維、半合成繊維、合成繊維など挙げることができる。なかでも、耐久性、特には機械的強度、耐熱性、耐光性の観点から、合成繊維が好ましく、ポリエステルがより好ましく、ポリエチレンテレフタレート、または、ポリエチレンテレフタレートを一成分とする複合繊維がさらに好ましい。   The material of the fibers (single fibers) constituting the yarn is not particularly limited, and examples thereof include natural fibers, regenerated fibers, semi-synthetic fibers, and synthetic fibers. Among these, from the viewpoint of durability, particularly mechanical strength, heat resistance, and light resistance, synthetic fibers are preferable, polyester is more preferable, and polyethylene terephthalate or composite fiber containing polyethylene terephthalate as one component is more preferable.

繊維のタイプは、長繊維、短繊維のいずれであってもよい。また、断面形状も特に限定されるものではなく、通常の丸型であっても、扁平型、楕円型、三角形、中空型、Y型、T型、U型などの異型であってもよい。さらには、表面に微細な凹凸(「ミクロクレーター」と呼ばれる)を有するものであってもよい。   The fiber type may be either a long fiber or a short fiber. Also, the cross-sectional shape is not particularly limited, and may be a normal round shape, or a flat shape, an elliptical shape, a triangular shape, a hollow shape, a Y shape, a T shape, a U shape, or the like. Furthermore, the surface may have fine irregularities (called “microcraters”).

繊維の繊度(単繊維繊度)は、0.3〜10dtexであることが好ましく、0.3〜5dtexであることがより好ましい。繊度が0.3dtex未満であると、十分な耐久性、特には耐光性が得られない虞がある。繊度が10dtexを超えると、糸条の表面抵抗値が低くなり、十分な耐久性が得られなかったり、風合いが硬くなったりする虞がある。   The fiber fineness (single fiber fineness) is preferably 0.3 to 10 dtex, and more preferably 0.3 to 5 dtex. If the fineness is less than 0.3 dtex, sufficient durability, particularly light resistance, may not be obtained. When the fineness exceeds 10 dtex, the surface resistance value of the yarn becomes low, and there is a possibility that sufficient durability cannot be obtained or the texture becomes hard.

前記繊維より構成される糸条のタイプは、フィラメント糸(長繊維糸)、紡績糸(短繊維糸)のいずれであってもよい。さらに、フィラメント糸、特にマルチフィラメント糸は、必要に応じて撚りをかけてもよいし、仮撚加工や流体撹乱処理(タスラン加工、インターレース加工等)などにより、捲縮性や嵩高性を付与してもよい。   The type of yarn composed of the fibers may be either a filament yarn (long fiber yarn) or a spun yarn (short fiber yarn). Furthermore, filament yarns, especially multifilament yarns, may be twisted as necessary, and impart crimpability and bulkiness by false twisting or fluid disturbance treatment (taslan processing, interlace processing, etc.). May be.

糸条の繊度(糸繊度)は、56〜440dtexであることが好ましく、84〜330dtexであることがより好ましい。繊度が56dtex未満であると、十分な耐久性、特には耐摩耗性が得られない虞がある。繊度が440dtexを超えると、十分な軽量化が達成されない虞がある。   The fineness (yarn fineness) of the yarn is preferably 56 to 440 dtex, and more preferably 84 to 330 dtex. If the fineness is less than 56 dtex, sufficient durability, particularly wear resistance, may not be obtained. If the fineness exceeds 440 dtex, there is a possibility that sufficient weight reduction cannot be achieved.

糸条の表面抵抗値は、0.6〜1.2Nであることが好ましく、0.7〜0.9Nであることがより好ましい。表面抵抗値が0.6N未満であると、経糸と緯糸が滑りやすく、十分な耐久性、特には縫目強度、耐縫目疲労性が得られない虞がある。表面抵抗値が1.2Nを超えると、製織が困難となる虞がある。   The surface resistance value of the yarn is preferably 0.6 to 1.2N, and more preferably 0.7 to 0.9N. If the surface resistance value is less than 0.6 N, warps and wefts are slippery, and there is a possibility that sufficient durability, particularly seam strength and seam fatigue resistance may not be obtained. If the surface resistance value exceeds 1.2 N, weaving may be difficult.

糸条の表面抵抗値は、以下のように測定される。表面抵抗値が0.7NであるA4台紙上に、長さ25cmの糸条10本を27mm間に等間隔で並べ、その両端をテープで固定し、測定試料とする。
オートグラフAG−1 15KN(株式会社島津製作所製)に前記試料を固定し、底面にジーンズ生地を貼り付けた6cm四方で重さ200gの錘を、前記試料の一端にのせ、100mm/分の速さで錘を動かしたときに錘に掛かる力(N)を読みとり、これを糸条の表面抵抗値とする。
The surface resistance value of the yarn is measured as follows. Ten pieces of 25 cm long yarn are arranged at equal intervals between 27 mm on an A4 mount having a surface resistance value of 0.7 N, and both ends thereof are fixed with tape to obtain a measurement sample.
Autograph AG-1 15KN (manufactured by Shimadzu Corporation), the sample was fixed, and a weight of 200 g in 6 cm square with a jeans fabric stuck on the bottom was placed on one end of the sample, and the speed was 100 mm / min. Now, the force (N) applied to the weight when the weight is moved is read, and this is used as the surface resistance value of the yarn.

表面抵抗値の要件を満たすには、表面積の大きな糸条を用いればよい。例えば、紡績糸、捲縮糸(タスラン加工糸など)、潜在捲縮糸、異捲縮混繊糸、異収縮混繊糸、極細繊維からなる糸条、ミクロクレーター繊維からなる糸条などである。なかでも、耐久性の観点から、紡績糸、捲縮糸、異収縮混繊糸が好ましく、異収縮混繊糸がより好ましい。   In order to satisfy the requirement of the surface resistance value, a yarn having a large surface area may be used. For example, spun yarns, crimped yarns (taslan processed yarn, etc.), latent crimped yarns, differently crimped mixed yarns, different shrinkage mixed yarns, yarns made of ultrafine fibers, yarns made of microcrater fibers, etc. . Among these, from the viewpoint of durability, spun yarn, crimped yarn, and different shrinkage mixed yarn are preferable, and different shrinkage mixed yarn is more preferable.

異収縮混繊糸とは、熱収縮率が好ましくは1.5倍以上、より好ましくは2倍以上異なる繊維同士を、インターレース加工により混ぜ合わせてなる糸条をいう。製織後、熱処理を施すことにより高収縮繊維が収縮することで、低収縮繊維が長さ方向に引き寄せられ、高い嵩高性を発現する。こうして、前記表面抵抗値の要件を容易に満たすことができる。   The different shrinkage mixed yarn refers to a yarn formed by intermixing fibers having different heat shrinkage rates, preferably 1.5 times or more, more preferably 2 times or more, by interlacing. After weaving, the high shrinkage fiber shrinks by heat treatment, so that the low shrinkage fiber is drawn in the length direction and high bulkiness is exhibited. Thus, the requirement for the surface resistance value can be easily satisfied.

表皮材としての織物は、以上に説明した糸条より構成される。
織物の組織は特に限定されるものではなく、例えば、三元組織である平織、斜文織、朱子織;これら三元組織の変化組織;なし地織などの特別組織;さらにこれらを2種以上組み合わせた混合組織などを挙げることができる。なかでも、軽量化の観点から、平織またはその変化組織が好ましく、耐久性、特には引裂強度の観点から、平織の変化組織であるななこ織がより好ましく、正則ななこ織がさらに好ましい。
The fabric as the skin material is composed of the yarns described above.
The structure of the woven fabric is not particularly limited. For example, a ternary structure such as plain weave, oblique weave, and satin weave; a change structure of these ternary structures; a special structure such as a plain weave; Examples of the mixed tissue may be combined. Among them, a plain weave or a changed structure thereof is preferable from the viewpoint of weight reduction, and a saw weave which is a changed structure of the plain weave is more preferable from the viewpoint of durability, particularly tear strength, and a regular weave is further preferable.

経糸の密度(緯方向25.4mm間に存在する経糸の本数)、および、緯糸の密度(経方向25.4mm間に存在する緯糸の本数)は、ともに40〜350本/25.4mmであることが好ましく、50〜200本/25.4mmであることがより好ましい。密度が40本/25.4mm未満であると、十分な耐久性、特には引張強度、引裂強度が得られない虞がある。密度が350本/25.4mmを超えると、十分な軽量化が達成されない虞がある。   Both the density of the warp (the number of warp yarns existing between 25.4 mm in the weft direction) and the density of the weft (the number of weft yarns existing between the 25.4 mm in the warp direction) are 40 to 350 / 25.4 mm. It is preferable that the number is 50 to 200 / 25.4 mm. If the density is less than 40 / 25.4 mm, sufficient durability, particularly tensile strength and tear strength may not be obtained. When the density exceeds 350 / 25.4 mm, there is a possibility that sufficient weight reduction cannot be achieved.

ここで、緯方向25.4mm間に存在する経糸の繊度の合計、および、経方向25.4mm間に存在する緯糸の繊度の合計は、ともに9000〜18000dtexであることが肝要であり、さらには、9900〜11000dtexであることが好ましい。この値が9000dtex未満であると、十分な耐久性、特には引張強度、引裂強度、縫目強度、耐縫目疲労性、耐スナッキング性が得られない。この値が18000dtexを超えると、十分な軽量化が達成されない。   Here, it is important that the total fineness of the warp yarns existing between the weft directions 25.4 mm and the total fineness of the weft yarns existing between the warp directions 25.4 mm are both 9000 to 18000 dtex, 9900-11000 dtex. When this value is less than 9000 dtex, sufficient durability, in particular, tensile strength, tear strength, seam strength, seam fatigue resistance, and snacking resistance cannot be obtained. When this value exceeds 18000 dtex, sufficient weight reduction cannot be achieved.

また、軽量化の観点から、前記経糸の繊度の合計と、前記緯糸の繊度の合計との和は、28000dtex以下であることが好ましい。   Further, from the viewpoint of weight reduction, the sum of the total fineness of the warps and the total fineness of the wefts is preferably 28000 dtex or less.

前記経糸の繊度の合計は、基本的に、経糸の繊度と、経糸の密度との積により算出される。ただし、経糸として複数種の糸条を用いる場合、例えば経糸1と経糸2を用いる場合には、経糸1の繊度Dと、緯方向25.4mm間に存在する経糸1の本数Nとの積(D×N)、および、経糸2の繊度Dと、緯方向25.4mm間に存在する経糸2の本数Nとの積(D×N)をそれぞれ算出し、それらを積算する(D×N+D×N)。
前記緯糸の繊度の合計についても概ね同様に算出される。
The sum of the warp fineness is basically calculated by the product of the warp fineness and the warp density. However, when using a plurality of kinds of yarns as the warp, for example, in the case of using the warp 1 and warp 2 has a fineness D 1 of the warp 1, the number N 1 of warps 1 existing between the weft direction 25.4mm The product (D 1 × N 1 ) and the product (D 2 × N 2 ) of the fineness D 2 of the warp 2 and the number N 2 of warps 2 existing between the weft directions 25.4 mm are calculated, respectively. (D 1 × N 1 + D 2 × N 2 ).
The sum of the fineness of the weft is calculated in the same manner.

また、緯方向25.4mm間に存在する経糸の表面抵抗値の合計と、経方向25.4mm間に存在する緯糸の表面抵抗値の合計との和が、160N以上であることが肝要であり、さらには160〜230Nであることが好ましい。この値が160N未満であると、経糸と緯糸が滑って絡みにくく、十分な耐久性、特には引張強度、引裂強度、縫目強度、耐縫目疲労性、耐スナッキング性が得られない。また、裏打ち材であるポリウレタンフォームシートを積層した場合に、密着性が悪く、十分な耐摩耗性が得られない。   Further, it is important that the sum of the surface resistance values of the warps existing between the weft directions 25.4 mm and the sum of the surface resistance values of the weft yarns existing between the warps 25.4 mm is 160 N or more. Furthermore, it is preferable that it is 160-230N. If this value is less than 160 N, the warp and weft are less likely to slip and become entangled, and sufficient durability, particularly tensile strength, tear strength, seam strength, seam fatigue resistance, and snack resistance cannot be obtained. Further, when a polyurethane foam sheet as a backing material is laminated, adhesion is poor and sufficient wear resistance cannot be obtained.

前記経糸の表面抵抗値の合計は、基本的に、経糸の表面抵抗値と、経糸の密度との積により算出される。ただし、経糸として複数種の糸条を用いる場合、例えば経糸1と経糸2を用いる場合には、経糸1の表面抵抗値Rと、緯方向25.4mm間に存在する経糸1の本数Nとの積(R×N)、および、経糸2の表面抵抗値Rと、緯方向25.4mm間に存在する経糸2の本数Nとの積(R×N)をそれぞれ算出し、それらを積算する(R×N+R×N)。
前記緯糸の表面抵抗値の合計についても概ね同様に算出される。
The sum of the surface resistance values of the warps is basically calculated by the product of the surface resistance value of the warps and the density of the warps. However, when a plurality of types of warps are used as the warp, for example, when warp 1 and warp 2 are used, the number N 1 of warps 1 existing between the surface resistance value R 1 of warp 1 and the weft direction 25.4 mm. product of (R 1 × N 1), and a surface resistance value R 2 of the warp 2, the product of the number N 2 of the warp 2 existing between the weft direction 25.4mm a (R 2 × N 2), respectively Calculate and integrate them (R 1 × N 1 + R 2 × N 2 ).
The sum of the surface resistance values of the wefts is calculated in a similar manner.

織物の目付は、100〜200g/mであることが好ましく、100〜130g/mであることがより好ましい。目付が100g/m未満であると、十分な耐久性が得られない虞がある。目付が200g/mを超えると、十分な軽量化が達成されない虞がある。 Basis weight of the fabric is preferably 100 to 200 g / m 2, and more preferably 100~130g / m 2. If the basis weight is less than 100 g / m 2 , sufficient durability may not be obtained. If the basis weight exceeds 200 g / m 2 , there is a possibility that sufficient weight reduction cannot be achieved.

本発明の車両用複合表皮材は、以上に説明した織物からなる表皮材の裏面に、ポリウレタンフォームシートからなる裏打ち材を積層し、一体化してなるものである。これにより、バッキングを施さなくてもほつれを防止することができ、風合いが硬くなることもなく、加えて、十分な耐久性、特には、引張強度、引裂強度、縫目強度、耐縫目疲労性、耐スナッキング性を有する車両用複合表皮材となる。   The vehicle composite skin material of the present invention is formed by laminating and integrating a backing material made of a polyurethane foam sheet on the back surface of the skin material made of the woven fabric described above. As a result, fraying can be prevented without backing, the texture does not become hard, and in addition, sufficient durability, especially tensile strength, tear strength, seam strength, seam fatigue resistance It becomes the composite skin material for vehicles which has the property and snacking resistance.

ポリウレタンフォームシートは特に限定されるものではなく、車両用表皮材の裏打ち材として一般的に用いられているものを用いることができる。例えば、軟質スラブ発泡により連続的に製造したブロックを長手方向にスライスし、長尺のシート状としたものを挙げることができる。   The polyurethane foam sheet is not particularly limited, and those generally used as a backing material for vehicle skin materials can be used. For example, the block continuously manufactured by soft slab foaming is sliced in the longitudinal direction to form a long sheet.

積層一体化の方法は特に限定されるものではなく、例えば、接着剤を用いる方法、フレームラミネートによる方法などを挙げることができる。なかでも、工程負荷や軽量化の観点から、フレームラミネートによる方法が好ましい。   The method for stacking and integration is not particularly limited, and examples thereof include a method using an adhesive and a method using frame lamination. Among these, the method using frame lamination is preferable from the viewpoint of process load and weight reduction.

かくして、本発明の車両用複合表皮材を得ることができる。   Thus, the composite skin material for a vehicle of the present invention can be obtained.

以下、実施例により本発明をさらに詳しく説明するが、本発明は以下の実施例に限定されるものではない。また、得られた複合表皮材の評価は以下の方法に従った。   EXAMPLES Hereinafter, although an Example demonstrates this invention further in detail, this invention is not limited to a following example. Moreover, evaluation of the obtained composite skin material followed the following method.

[引張強度]
幅50mm、長さ250mmの大きさの試験片を、経方向・緯方向からそれぞれ1枚採取した。室温20±2℃、湿度65±5%RHの雰囲気下で、試験片を、引張試験機オートグラフAG−100A(株式会社島津製作所製)のつかみ具に、つかみ幅50mm、つかみ間隔150mmで、たるみのないように取り付けた。試験片を、つかみ具の移動速度200mm/分で試験片が破断するまで引っ張り、荷重(N/50mm)を測定した。試験片が破断したときの荷重(最大荷重)を引張強度の値とし、下記の基準に従って判定した。
合 格:500N/50mm以上
不合格:500N/50mm未満
[Tensile strength]
One test piece having a width of 50 mm and a length of 250 mm was sampled from the longitudinal direction and the weft direction. In an atmosphere of room temperature 20 ± 2 ° C. and humidity 65 ± 5% RH, the test piece was placed on a gripper of tensile tester Autograph AG-100A (manufactured by Shimadzu Corporation) with a grip width of 50 mm and a grip interval of 150 mm. It was installed so that there was no slack. The test piece was pulled at a gripping tool moving speed of 200 mm / min until the test piece broke, and the load (N / 50 mm) was measured. The load when the test piece broke (maximum load) was taken as the value of tensile strength, and the determination was made according to the following criteria.
Pass: 500N / 50mm or more Fail: Less than 500N / 50mm

[引裂強度]
幅50mm、長さ200mmの大きさの試験片を、経方向・緯方向からそれぞれ1枚採取し、試験片に上辺が100mm、底辺が150mmの等脚台形のマークを付け、このマークの上辺の中央に辺と垂直に10mmの切り込みを入れた。室温20±2℃、湿度65±5%RHの雰囲気下で、試験片を、引張試験機オートグラフAG−100A(株式会社島津製作所製)のつかみ具に、つかみ幅50mm、つかみ間隔100mmで、たるみのないように取り付けた。試験片を、つかみ具の移動速度200m/分で引き裂き、荷重(N)を測定した。ピーク値の平均値を引裂強度の値とし、下記の基準に従って判定した。
合 格:100N以上
不合格:100N未満
[Tear strength]
One test piece with a width of 50 mm and a length of 200 mm is taken from the longitudinal direction and the weft direction, and an isosceles trapezoidal mark having an upper side of 100 mm and a base side of 150 mm is attached to the test piece. A 10 mm cut was made in the center perpendicular to the side. Under an atmosphere of room temperature 20 ± 2 ° C. and humidity 65 ± 5% RH, the test piece is placed on a gripping tool of a tensile tester Autograph AG-100A (manufactured by Shimadzu Corporation) with a gripping width of 50 mm and a gripping interval of 100 mm. It was installed so that there was no slack. The test piece was torn at a moving speed of the gripping tool of 200 m / min, and the load (N) was measured. The average value of the peak values was taken as the tear strength value and judged according to the following criteria.
Pass: 100N or more Fail: Less than 100N

[縫目強度]
100mm四方の大きさの試験片を、経方向・緯方向からそれぞれ2枚1組で採取し、2枚の表側を合わせて重ね、1辺の端から6mmの位置をミシン掛けし、経・緯の試験片を作製した。室温20±2℃、湿度65±5%RHの雰囲気下で、試験片を、引張試験機オートグラフAG−100A(株式会社島津製作所製)のつかみ具に、つかみ幅25.4mm、つかみ間隔76.2mmで、たるみのないように取り付けた。試験片を、つかみ具の移動速度200mm/分で試験片が破断するまで引っ張り、荷重(N/25.4mm)を測定した。試験片が破断したときの荷重(最大荷重)を引張強度の値とし、下記の基準に従って判定した。
合 格:300N/25.4mm以上
不合格:300N/25.4mm未満
[Stitch strength]
Samples of 100mm square size are collected in pairs from the warp direction and the weft direction, and the two front sides are overlapped together. A test piece was prepared. In an atmosphere of a room temperature of 20 ± 2 ° C. and a humidity of 65 ± 5% RH, the test piece is placed on a gripping tool of a tensile tester Autograph AG-100A (manufactured by Shimadzu Corporation) with a gripping width of 25.4 mm and a gripping interval of 76. .2 mm and attached so as not to sag. The test piece was pulled at a gripping tool moving speed of 200 mm / min until the test piece broke, and the load (N / 25.4 mm) was measured. The load when the test piece broke (maximum load) was taken as the value of tensile strength, and the determination was made according to the following criteria.
Pass: 300N / 25.4mm or more Fail: Less than 300N / 25.4mm

[耐縫目疲労性]
100mm四方の大きさの試験片を、経方向・緯方向からそれぞれ2枚1組で採取し、2枚の表側を合わせて重ね、1辺の端から6mmの位置をミシン掛けし、経・緯の試験片を作製した。試験片を縫目疲労試験機(山口科学産業社製)に取り付けて、試験片の一端に荷重29.4Nを掛け、引っ張り・戻りの動作を2500回繰り返し後に、荷重29.4Nを掛けた状態で、目盛り付きルーペを用いて縫目疲労を測定し、下記の基準に従って判定した。ここで縫目疲労とは、繰り返し疲労によって荷重方向に移動したミシン糸に最も近い生地の糸とミシン糸との距離を指し、0.1mm単位で測定される。
合 格:2.2mm以下
不合格:2.2mm超
[Seam fatigue resistance]
Samples of 100mm square size are collected in pairs from the warp direction and the weft direction, and the two front sides are overlapped together. A test piece was prepared. A state in which a test piece is attached to a seam fatigue tester (manufactured by Yamaguchi Kagaku Sangyo Co., Ltd.), a load of 29.4N is applied to one end of the test piece, and after pulling / returning operation is repeated 2500 times, a load of 29.4N is applied. The seam fatigue was measured using a graduated magnifying glass and judged according to the following criteria. Here, the seam fatigue refers to the distance between the thread of the fabric closest to the sewing thread that has moved in the load direction due to repeated fatigue and the sewing thread, and is measured in units of 0.1 mm.
Pass: 2.2mm or less Fail: Over 2.2mm

[耐平面摩耗性]
幅70mm、長さ300mmの大きさの試験片を、経方向・緯方向からそれぞれ1枚採取し、裏面に幅70mm、長さ300mm、厚み10mmの大きさのウレタンフォームシートを添えて、平面摩耗試験機T−TYPE(株式会社大栄科学精器製作所製)に固定した。綿布(綿帆布)をかぶせた摩擦子に荷重9.8Nを掛けて、試験片の表面上140mmの間を60回往復/分の速さで10000回往復摩耗した。この間、摩耗回数2500回往復ごとに綿布を交換した。摩耗後の試験片を観察し、下記の基準に従って判定した。
5級:表面状態に変化がない
4級:やや毛羽立ちがある
3級:毛羽立ちがある
2級:毛羽立ちが多く、糸が細くなっている
1級:糸切れがある
[Plane wear resistance]
One test piece with a width of 70 mm and a length of 300 mm was taken from each of the warp direction and the weft direction, and a urethane foam sheet with a width of 70 mm, a length of 300 mm and a thickness of 10 mm was attached to the back side, and flat wear It was fixed to a testing machine T-TYPE (manufactured by Daiei Scientific Instruments). A load of 9.8 N was applied to a friction piece covered with a cotton cloth (cotton canvas), and it was worn back and forth 10,000 times at a speed of 60 reciprocations per minute between 140 mm on the surface of the test piece. During this time, the cotton cloth was changed every 2500 reciprocations. The test piece after abrasion was observed and judged according to the following criteria.
5th grade: No change in surface condition 4th grade: Slightly fuzzed 3rd grade: Fuzzy 2nd grade: Many fuzzed and thin yarns 1st grade: Yarn breakage

[耐テーバ摩耗性]
JIS L 1096 8.17.3 C法(テーバ形法)に準拠して測定した。条件は、摩耗輪CS−10、荷重4.9N、摩耗回数1000回とした。摩耗後の試験片を観察し、下記の基準に従って判定した。
5級:表面状態に変化がない
4級:やや毛羽立ちがある
3級:毛羽立ちがある
2級:毛羽立ちが多く、糸が細くなっている
1級:糸切れがある
[Taber wear resistance]
Measured according to JIS L 1096 8.17.3 C method (Theba type method). The conditions were a wear wheel CS-10, a load of 4.9 N, and a wear frequency of 1000 times. The test piece after abrasion was observed and judged according to the following criteria.
5th grade: No change in surface condition 4th grade: Slightly fuzzed 3rd grade: Fuzzy 2nd grade: Many fuzzed and thin yarns 1st grade: Yarn breakage

[耐スクラッチ性]
幅50mm、長さ300mmの大きさの試験片を、経方向・緯方向からそれぞれ2枚1組で採取し、2枚の表側を合わせて重ね、1辺の端から6mmの位置をミシン掛けし、経・緯の試験片を作製した。裏面に幅88mm、長さ300mm、厚み10mmの大きさのウレタンフォームシートを添えて、平面摩耗試験機T−TYPE(株式会社大栄科学精器製作所製)に固定した。
摩擦子の先端に25mm×50mmの大きさの面ファスナー(A8693Y−71:クラレ製)を貼り付け、荷重9.8Nを掛けて、試験片の表面上140mmの間を60回往復/分の速さで5回往復摩耗した。摩耗後の試験片を観察し、下記の基準に従って判定した。
5級:表面状態に変化がない
4級:繊維が組織から引き出されている状態(毛羽立ち)がわずかに認められる
3級:こすった部分がもやもやと毛羽立っているが、糸切れや組織の異常は目立たない
2級:繊維・糸ともに組織から引き出され、毛羽立ちが著しく目立つ
1級:繊維・糸ともに組織から引き出され、組織が波打つ
[Scratch resistance]
Specimens with a width of 50 mm and a length of 300 mm are collected in pairs from the warp direction and the weft direction, and the two front sides are stacked together. The position of 6 mm from the edge of one side is machined. A test piece of warp and latitude was prepared. A urethane foam sheet having a width of 88 mm, a length of 300 mm, and a thickness of 10 mm was attached to the back surface and fixed to a flat surface wear tester T-TYPE (manufactured by Daiei Scientific Instruments).
A surface fastener (A8693Y-71: manufactured by Kuraray Co., Ltd.) having a size of 25 mm × 50 mm is attached to the tip of the friction element, a load of 9.8 N is applied, and a speed of 60 reciprocations per minute between 140 mm on the surface of the test piece is performed. Now it was worn out 5 times. The test piece after abrasion was observed and judged according to the following criteria.
5th grade: No change in surface condition 4th grade: A state in which fibers are pulled out from the tissue (fluffing) is slightly observed. 3rd grade: Although the scraped part is somewhat fuzzy, there is no thread breakage or abnormal tissue Inconspicuous Grade 2: Both fibers and threads are pulled out from the structure, and the fluff is noticeable. Grade 1: Both fibers and threads are pulled out from the structure, and the structure is undulated.

[耐スナッキング性]
JIS L 1058 7.1 ICI形メース試験機法(A法)に準拠して測定した。ドラム回転数は600回とした。試験後の試験片を観察し、ICIの標準見本と比較して、等級判定した。
[Snacking resistance]
Measured in accordance with JIS L 1058 7.1 ICI Type Mace Tester Method (Method A). The drum rotation speed was 600 times. The test piece after the test was observed and graded by comparison with a standard sample of ICI.

[耐燃焼性]
米国自動車安全基準FMVSS302の試験方法に準拠して評価した。幅100mm、長さ350mmの大きさに裁断した試験片の端部に、ガスバーナーで15秒間接炎させて着火操作を行い、着火した炎が端部から38mmの位置に設けた標線を越えてから消火するまでの距離と時間を測定した。経方向・緯方向でそれぞれ10点ずつ測定した。試験片が燃焼しない、または、標線前に自己消火したものを不燃性、燃焼距離が50mm未満且つ燃焼時間が60秒未満のものを自己消火性とし、不燃性、自己消火性以外のものについては、燃焼速度を算出した。
[Flame resistance]
Evaluation was performed in accordance with the test method of the US automobile safety standard FMVSS302. The end of the test piece cut to a size of 100 mm in width and 350 mm in length was ignited by indirect flame for 15 seconds with a gas burner, and the ignited flame exceeded the marked line provided at a position 38 mm from the end. The distance and time from extinction to extinguishing were measured. Ten points were measured in each of the longitudinal and lateral directions. Test specimens that do not burn or that self-extinguish before marking are non-flammable, those with a combustion distance of less than 50 mm and burning time of less than 60 seconds are self-extinguishing, and other than non-flammable and self-extinguishing Calculated the burning rate.

[実施例1]
経糸として、110dtex/24fのポリエチレンテレフタレート仮撚加工糸(表面抵抗値:0.732N)を用い、緯糸として、33dtex/12fのポリエチレンテレフタレート高収縮糸(熱収縮率:19.5%)と66dtex/144fのポリエチレンテレフタレート仮撚加工糸(熱収縮率:3.2%)とをインターレース加工により混ぜ合わせてなる100dtex/156fの異収縮混繊糸(表面抵抗値:0.899N)と、84dtex/36fのポリエチレンテレフタレート糸(表面抵抗値:0.671N)とを交互に用いて、正則ななこ織の組織で製織し、生機を得た。
[Example 1]
A 110 dtex / 24 f polyethylene terephthalate false twisted yarn (surface resistance value: 0.732 N) was used as the warp, and a 33 dtex / 12 f polyethylene terephthalate high shrink yarn (heat shrinkage: 19.5%) and 66 dtex / were used as the weft. 144 dtex / 156 f different shrinkage mixed yarn (surface resistance value: 0.899 N) obtained by mixing 144 f polyethylene terephthalate false twisted yarn (heat shrinkage rate: 3.2%) by interlacing, 84 dtex / 36 f Of polyethylene terephthalate (surface resistance value: 0.671 N) were alternately used to weave with a regular woven weave structure to obtain a living machine.

次いで、ヒートセッターにより150℃で2分間熱処理してプレセット(収縮処理を兼ねる)した後、分散染料を用いて130℃で30分間染色し、次いで、ヒートセッターにより150℃で1分間熱処理して乾燥・仕上げセットした。   Next, after heat-treating at 150 ° C. for 2 minutes with a heat setter and pre-set (also serves as shrinkage treatment), dyed with disperse dye at 130 ° C. for 30 minutes, and then heat-treated at 150 ° C. for 1 minute with a heat setter. Dry and finish set.

得られた織物の経糸の密度は96本/25.4mm、緯糸の密度は118本/25.4mm、経糸の繊度の合計は10560dtex、緯糸の繊度の合計は10856dtex、経糸の表面抵抗値の合計と緯糸の表面抵抗値の合計との和は162.9N、目付は108g/mであった。 The resulting fabric has a warp density of 96 yarns / 25.4 mm, a weft density of 118 yarns / 25.4 mm, a total warp fineness of 10560 dtex, a total weft fineness of 10856 dtex, and a total warp surface resistance value. And the sum of the surface resistance values of the wefts were 162.9 N and the basis weight was 108 g / m 2 .

かかる織物を表皮材とし、その裏面に、裏打ち材として厚さ3mmのポリウレタンフォームシートを、フレームラミネート法により積層し、実施例1の複合表皮材を得た。得られた複合表皮材の目付は192g/mであった。
評価結果を表1に示す。
また、ポリウレタンフォームシートを積層しない織物単体について評価した結果を、参考例1として示す。
The woven fabric was used as a skin material, and a polyurethane foam sheet having a thickness of 3 mm was laminated as a backing material on the back surface thereof by a frame lamination method to obtain a composite skin material of Example 1. The basis weight of the obtained composite skin material was 192 g / m 2 .
The evaluation results are shown in Table 1.
Moreover, the result evaluated about the textile single body which does not laminate | stack a polyurethane foam sheet is shown as the reference example 1. FIG.

[実施例2]
経糸および緯糸として、ともに110dtex/24fのポリエチレンテレフタレート仮撚加工糸(表面抵抗値:0.732N)を用いて、平二重織の組織で製織し、生機を得た。
[Example 2]
As warp and weft, 110 dtex / 24f polyethylene terephthalate false twisted yarn (surface resistance value: 0.732N) was used to weave a flat double weave structure to obtain a living machine.

これ以降は実施例1と同様に処理して、経糸の密度が111本/25.4mm、緯糸の密度が108本/25.4mm、経糸の繊度の合計が12210dtex、緯糸の繊度の合計が11880detx、経糸の表面抵抗値の合計と緯糸の表面抵抗値の合計との和が160.3N、目付が120g/mの織物を得た。 Thereafter, the same processing as in Example 1 was performed, and the warp density was 111 yarns / 25.4 mm, the weft density was 108 yarns / 25.4 mm, the total warp fineness was 12210 dtex, and the total weft fineness was 11880 dtex. A woven fabric having a sum of the surface resistance values of the warps and the surface resistance of the wefts of 160.3 N and a basis weight of 120 g / m 2 was obtained.

かかる織物を表皮材とし、その裏面に、裏打ち材として厚さ3mmのポリウレタンフォームシートを、フレームラミネート法により積層し、実施例2の複合表皮材を得た。得られた複合表皮材の目付は210g/mであった。
評価結果を表1に示す。
The woven fabric was used as a skin material, and a polyurethane foam sheet having a thickness of 3 mm was laminated as a backing material on the back surface thereof by a frame lamination method to obtain a composite skin material of Example 2. The basis weight of the obtained composite skin material was 210 g / m 2 .
The evaluation results are shown in Table 1.

[比較例1]
経糸および緯糸として、ともに110dtex/24fのポリエチレンテレフタレート仮撚加工糸(表面抵抗値:0.732N)を用いて、平織の組織で製織して、生機を得た。
[Comparative Example 1]
As warp and weft, a polyethylene terephthalate false twisted yarn (surface resistance value: 0.732N) of 110 dtex / 24f was used to weave a plain weave structure to obtain a living machine.

これ以降は実施例1と同様に処理して、経糸の密度が108本/25.4mm、緯糸の密度が86本/25.4mm、経糸の繊度の合計が11880dtex、緯糸の繊度の合計が9460detx、経糸の表面抵抗値の合計と緯糸の表面抵抗値の合計との和が142.0N、目付が108g/mの織物を得た。 Thereafter, the same processing as in Example 1 was performed, and the density of the warp was 108 / 25.4 mm, the density of the weft was 86 / 25.4 mm, the total fineness of the warp was 11880 dtex, and the total fineness of the weft was 9460 detex. A woven fabric having a sum of the surface resistance values of the warps and the surface resistance of the wefts of 142.0 N and a basis weight of 108 g / m 2 was obtained.

かかる織物を表皮材とし、その裏面に、裏打ち材として厚さ3mmのポリウレタンフォームシートを、フレームラミネート法により積層し、比較例1の複合表皮材を得た。得られた複合表皮材の目付は208g/mであった。
評価結果を表1に示す。
The woven fabric was used as a skin material, and a polyurethane foam sheet having a thickness of 3 mm was laminated as a backing material on the back surface thereof by a frame lamination method to obtain a composite skin material of Comparative Example 1. The basis weight of the obtained composite skin material was 208 g / m 2 .
The evaluation results are shown in Table 1.

Figure 0005932452
Figure 0005932452

Claims (4)

織物からなる表皮材と、前記表皮材の裏面に積層されたポリウレタンフォームシートからなる裏打ち材とを備えてなり、前記織物が以下の要件を満たすことを特徴とする、車両用複合表皮材。
(1)緯方向25.4mm間に存在する経糸の繊度の合計、および、経方向25.4mm間に存在する緯糸の繊度の合計がともに9000〜18000dtexである。
(2)緯方向25.4mm間に存在する経糸の表面抵抗値の合計と、経方向25.4mm間に存在する緯糸の表面抵抗値の合計との和が160N以上である。
A vehicular composite skin material comprising a skin material made of a woven fabric and a backing material made of a polyurethane foam sheet laminated on the back surface of the skin material, wherein the woven fabric satisfies the following requirements.
(1) The sum total of the fineness of the warp yarns existing between 25.4 mm in the weft direction and the total fineness of the weft yarns present between 25.4 mm in the warp direction are 9000 to 18000 dtex.
(2) The sum of the sum of the surface resistance values of the warp yarns existing in the weft direction 25.4 mm and the sum of the surface resistance values of the weft yarns existing in the warp direction 25.4 mm is 160 N or more.
経糸および緯糸の表面抵抗値がともに0.6〜1.2Nであることを特徴とする、請求項1に記載の車両用複合表皮材。   The composite skin material for a vehicle according to claim 1, wherein the surface resistance values of the warp and the weft are both 0.6 to 1.2N. 経糸および緯糸がともに紡績糸、捲縮糸、異収縮混繊糸からなる群より選択される少なくとも1種であることを特徴とする、請求項1または2に記載の車両用複合表皮材。   The vehicular composite skin material according to claim 1 or 2, wherein both the warp and the weft are at least one selected from the group consisting of spun yarn, crimped yarn, and different shrinkage mixed yarn. 織物の目付が100〜200g/mであることを特徴とする、請求項1〜3のいずれか一項に記載の車両用複合表皮材。 Wherein the basis weight of the fabric is 100 to 200 g / m 2, a vehicle composite skin material according to any one of claims 1-3.
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