JP2922793B2 - Laminated sheet - Google Patents
Laminated sheetInfo
- Publication number
- JP2922793B2 JP2922793B2 JP6226320A JP22632094A JP2922793B2 JP 2922793 B2 JP2922793 B2 JP 2922793B2 JP 6226320 A JP6226320 A JP 6226320A JP 22632094 A JP22632094 A JP 22632094A JP 2922793 B2 JP2922793 B2 JP 2922793B2
- Authority
- JP
- Japan
- Prior art keywords
- melting point
- mesh cloth
- heat
- synthetic resin
- flat yarn
- 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 - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、紙や布などの基材に防
水性やシ−ル性を付与するために合成樹脂ラミネ−ト加
工を施されたシ−トであって、高強力を有しかつ積層体
として接合強力に優れた剥離し難苦い積層シ−トに関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet obtained by subjecting a base material such as paper or cloth to a synthetic resin laminating process in order to impart waterproofness or sealability to the substrate. The present invention relates to a laminated sheet which has excellent bonding strength and is hard to peel off as a laminate.
【０００２】[0002]
【従来の技術】包装用をはじめとしてクラフト紙、布、
繊維状不織布、アルミ箔などのシ−ト基材に合成樹脂を
ラミネ−トした積層シ−トが多く使用されているが、こ
れはラミネ−ト加工によってシ−ト基材単体が有する特
徴に防水性やガスバリヤ性或いはヒ−トシ−ル性など付
加価値を付与することで用途を拡大できるものとして盛
んに開発されている。また、強力に劣るシ−ト基材を補
強するために、合成樹脂製フラットヤ−ンのメッシュク
ロスを貼り合わせることが行われており、通常は、シ−
ト基材とメッシュクロスの間にサンド樹脂としてラミネ
−ト層を介在させて圧接して積層シ−トとする、或いは
シ−ト基材にメッシュクロスを重ね合わせて該メッシュ
クロス上面からラミネ−ト樹脂を被覆してクロス目隙部
を通して樹脂とシ−ト基材を接着して積層シ−トとした
ものである。BACKGROUND OF THE INVENTION Kraft paper, cloth,
A laminated sheet in which a synthetic resin is laminated on a sheet base material such as a fibrous nonwoven fabric or an aluminum foil is often used, but this is a characteristic that the sheet base material itself has by laminating. It has been actively developed as a product that can be used for a wider range of applications by providing added value such as waterproofness, gas barrier property or heat sealability. In addition, in order to reinforce a sheet base material which is inferior in strength, a mesh cloth of a synthetic resin flat yarn is attached to the base material.
A laminating layer is sandwiched between the base material and the mesh cloth as a sand resin and pressed to form a laminated sheet, or a mesh cloth is overlaid on the sheet base material and the laminating is performed from the upper surface of the mesh cloth. The sheet is coated with a resin, and the resin and the sheet base material are bonded to each other through a cross opening to form a laminated sheet.
【０００３】このようなメッシュクロスを補強した積層
シ−トは全面的にラミネ−ト層で一体化されているが、
前者の場合はメッシュクロスを構成するフラットヤ−ン
の経緯の交差部が浮いた状態で積層体の外側に位置する
ため外観上好ましくなく表面平滑性に劣ったものとな
り、一方、後者の場合はメッシュクロスは積層シ−トの
中間に位置するためにフラットヤ−ンとシ−ト基材の当
接面が非接着の状態となり積層体として接合強力が劣り
剥離しやすいものとなる点で問題となることがある。[0003] The laminated sheet reinforced with such a mesh cloth is entirely integrated with a laminating layer.
In the former case, since the intersection of the process of the flat yarns constituting the mesh cloth is located outside the laminate in a floating state, the appearance is unfavorable and the surface smoothness is inferior. Since the cloth is located in the middle of the laminated sheet, the contact surface between the flat yarn and the sheet base material is in a non-adhered state, which causes a problem in that the laminated body has poor bonding strength and is easily peeled. Sometimes.
【０００４】[0004]
【発明が解決しようとする課題】したがって本発明は、
シ−ト基材と補強部材に合成樹脂ラミネ−ト加工を施し
た積層体において、高強力であってかつ強固に各部材が
一体化をなし積層体として剥離し難苦く、さらには効率
よく低廉に製造することが可能な積層シ−トを提供する
ことを目的としたものである。Accordingly, the present invention provides
In a laminate in which a sheet base material and a reinforcing member are subjected to a synthetic resin laminating process, each member is integrated with high strength and firmly, and it is difficult to peel off as a laminate. It is an object of the present invention to provide a laminated sheet that can be manufactured at a low cost.
【０００５】[0005]
【課題を解決するための手段】本発明は、高融点成分で
芯層６を形成しかつ低融点成分で表裏両面の外層７を形
成した複層フラットヤーン５を経緯条に用いて織成され
る格子状に開口部を形成した熱融着性メッシュクロス３
の裏面にシート基材２を重ね合わせ、該熱融着性メッシ
ュクロス３の上面に、前記複層フラットヤーン５の低融
点成分の融点を超え、かつ高融点成分の融点未満の融点
を有する合成樹脂を用いた合成樹脂フィルム４を溶融押
出ラミネート法により被覆して積層されたことを特徴と
する積層シートである。The present invention is woven using a multilayer flat yarn 5 in which a core layer 6 is formed of a high melting point component and outer layers 7 on both front and back sides are formed of a low melting point component as a weft. Heat-fusible mesh cloth 3 having openings formed in a lattice shape
Low melting overlay sheet base material 2 on the rear surface, the upper surface of the heat-fusible mesh cloth 3, of the multilayer flat yarn 5
Melting point above the melting point of the point component and below the melting point of the high melting point component
A laminated sheet characterized in that a synthetic resin film 4 using a synthetic resin having the following is coated and laminated by a melt extrusion lamination method.
【０００６】本発明において、熱融着性メッシュクロス
３は、高融点成分の芯層６と低融点成分の外層７からな
る複層フラットヤ−ン５を経緯条に用いて織成されたも
のであって、ここで複層フラットヤ−ン５とは、多層で
のＴダイフラット法やインフレ−ション法により共押出
積層された、或いは逐次押出ラミネ−ト法で積層された
芯層と両外層で構成の３層フィルムを細断した後に縦一
軸延伸して得られる複合偏平糸条である。複層フラット
ヤ−ン５の構成を図３に示す。In the present invention, the heat fusible mesh cloth 3 is woven using a multilayer flat yarn 5 comprising a core layer 6 of a high melting point component and an outer layer 7 of a low melting point component as a weft. Here, the multi-layer flat yarn 5 is a core layer and both outer layers which are co-extruded and laminated by a multi-layer T-die flat method or an inflation method or laminated by a sequential extrusion laminating method. This is a composite flat yarn obtained by shredding a three-layer film having the configuration and then longitudinally and uniaxially stretching. The configuration of the multilayer flat yarn 5 is shown in FIG.
【０００７】複層フラットヤ−ン５の芯層６及び外層７
をなす合成樹脂としては安定品質と連続生産性において
熱可塑性合成樹脂が該当するものであり、芯層となる高
融点成分の熱可塑性合成樹脂として、例えば、ポリプロ
ピレン、高密度ポリエチレン、ポリエステル、ポリアミ
ド、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリビニル
アルコ−ル、ポリスチレン、ポリアクリロニトリル、お
よびこれらの系列に属する共重合体などが代表的なもの
として挙げられ、一方、外層となる低融点成分の熱可塑
性合成樹脂として、例えば、低密度ポリエチレン、エチ
レン−プロピレン共重合体、エチレン−酢酸ビニル共重
合体、エチレン−アクリル酸共重合体などが挙げられ
る。The core layer 6 and the outer layer 7 of the multilayer flat yarn 5
As the synthetic resin that constitutes, a thermoplastic synthetic resin corresponds to stable quality and continuous productivity, and as the thermoplastic synthetic resin of the high melting point component to be the core layer, for example, polypropylene, high-density polyethylene, polyester, polyamide, Representative examples include polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polystyrene, polyacrylonitrile, and copolymers belonging to these series, while a thermoplastic synthetic resin having a low melting point component serving as an outer layer. Examples thereof include low-density polyethylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and the like.
【０００８】熱融着性メッシュクロス３としての目合い
つまり糸条の打込密度は、シ−ト基材２の補強程度によ
って適宜選択されるが、後述するラミネ−ト樹脂が熱融
着性メッシュクロス３の開口部を透過してシ−ト基材２
と接着することから、経糸及び緯糸の相互の離間隔が５
mm以上ある格子状に開口部を有することが強接合の積層
シ−ト１を得ることにおいて望ましい。The mesh size of the heat-fusible mesh cloth 3, that is, the driving density of the yarn, is appropriately selected depending on the degree of reinforcement of the sheet base material 2. The sheet base material 2 is transmitted through the opening of the mesh cloth 3.
And the warp and weft are separated from each other by 5
It is desirable to have the openings in a lattice shape having a thickness of at least mm in order to obtain a strongly bonded laminated sheet 1.
【０００９】次に、シ−ト基材２としては特に制限され
ることはなく、洋紙、和紙、合成紙などの紙質体、天然
繊維や合成繊維などの編織布、湿式法や乾式法による繊
維状不織布、アルミニウム箔など金属箔、ポリウレタン
やポリエチレンなどの発泡体などが挙げられる。Next, the sheet base material 2 is not particularly limited, and is a paper material such as paper, Japanese paper or synthetic paper, a woven fabric such as natural fiber or synthetic fiber, a fiber obtained by a wet method or a dry method. Nonwoven fabrics, metal foils such as aluminum foil, and foams such as polyurethane and polyethylene.
【００１０】本発明の積層シ−ト１の構成を図１および
図２に示すが、積層シ−ト１を形成するにおいて、前記
シ−ト基材２上に前記熱融着性メッシュクロス３を重ね
合わせ、熱融着性メッシュクロス３の上面から押出ラミ
ネ−ト法によって合成樹脂製フィルム４を被覆するもの
である。この押出ラミネ−ト法を採用することで、溶融
されたラミネ−ト樹脂は無定形状態で被覆されるために
熱融着性メッシュクロス３の開口部を透過してシ−ト基
材２と強固に接着し、加えて、ラミネ−ト加工時の加熱
と加圧によって複層フラットヤ−ン５の交差部さらに複
層フラットヤ−ン５とシ−ト基材２の当接面が外層低融
点成分で熱融着することにより、積層シ−ト１として接
合強力が優れたものとなる。The structure of the laminated sheet 1 of the present invention is shown in FIGS. 1 and 2. In forming the laminated sheet 1, the heat-fusible mesh cloth 3 is placed on the sheet substrate 2. Are laminated, and a synthetic resin film 4 is coated from the upper surface of the heat-fusible mesh cloth 3 by an extrusion laminating method. By adopting the extrusion laminating method, the molten laminating resin is coated in an amorphous state, so that the laminating resin penetrates through the opening of the heat-fusible mesh cloth 3 to be in contact with the sheet base 2. It adheres firmly, and in addition, the heat and pressure applied during laminating process causes the intersection of the multilayer flat yarn 5 and the contact surface between the multilayer flat yarn 5 and the sheet base 2 to have an outer layer having a low melting point. By heat-sealing the components, the laminated sheet 1 has excellent bonding strength.
【００１１】したがって、押出ラミネ−ト法によって積
層される合成樹脂製フィルム４は、前記複層フラットヤ
−ン５の低融点成分の融点以上でかつ高融点成分の融点
以下のものが採用される。これは、複層フラットヤ−ン
５の低融点成分の融点以下の合成樹脂はラミネ−ト加工
時の熱容量が不足してシ−ト基材２と熱融着性メッシュ
クロス３との熱融着が不充分となり、一方、複層フラッ
トヤ−ン５の高融点成分の融点以上の合成樹脂は高温に
より熱融着性メッシュクロス３が収縮したり熱劣化する
ことで強度低下が発現するために問題となるからであ
る。Accordingly, as the synthetic resin film 4 laminated by the extrusion laminating method, a film having a melting point higher than the low melting point component and lower than the melting point of the high melting point component of the multilayer flat yarn 5 is employed. This is because the synthetic resin having a melting point lower than the low melting point component of the multilayer flat yarn 5 has insufficient heat capacity at the time of laminating, so that the heat fusion between the sheet base material 2 and the heat-fusible mesh cloth 3 is performed. On the other hand, the synthetic resin having a melting point higher than the melting point of the high melting point component of the multilayer flat yarn 5 causes a problem in that the heat-fusible mesh cloth 3 contracts or deteriorates due to high temperature, resulting in a decrease in strength. This is because
【００１２】こうした本発明の基本的な構成において、
合成樹脂フィルム４の上面にさらに第二のシ−ト基材を
積層することも差し支えない。具体的には、合成樹脂フ
ィルム４を熱融着性メッシュクロス面に被覆する際に、
サンド樹脂として第二のシ−ト基材との間に介在させる
ことで４層の積層シ−トとなる。In such a basic configuration of the present invention,
A second sheet base may be further laminated on the upper surface of the synthetic resin film 4. Specifically, when coating the synthetic resin film 4 on the heat-fusible mesh cloth surface,
By interposing between the second sheet base material as a sand resin, a four-layer laminated sheet is obtained.
【００１３】[0013]
【実施例】以下、実施例によって本発明の構成に説明を
加える。DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of the present invention will be described below with reference to embodiments.
【００１４】実施例１ 芯層６に高融点成分として高密度ポリエチレン（MFR=1.
2、融点132℃）、外層７に低融点成分としてエチレン−
酢酸ビニル共重合体（MFR=1.5、融点112℃）を選び、二
台の押出機により層比（外層：芯層：外層）を１：８：
１として各々の樹脂を多層円形ダイスからインフレ−シ
ョン法により溶融状態で押し出し、冷却して多層フィル
ムとした後、細断してテ−プ状とし、熱ロ−ル延伸方式
で延伸倍率5.2倍で延伸して層比1:8:1とした繊度500dr
の三層の複合フラットヤ−ン５を得た。Example 1 A high-density polyethylene (MFR = 1.
2, melting point 132 ° C.).
A vinyl acetate copolymer (MFR = 1.5, melting point 112 ° C.) was selected, and the layer ratio (outer layer: core layer: outer layer) was 1: 8 by two extruders.
As 1, each resin was extruded in a molten state from a multilayer circular die by inflation method, cooled and formed into a multilayer film, cut into tapes, and stretched 5.2 times by a hot roll stretching method. Fineness of 500dr with a layer ratio of 1: 8: 1
To obtain a three-layer composite flat yarn 5.
【００１５】この複合フラットヤ−ン５を経糸及び緯糸
として平織組織で織成し、格子状に約10×10mmの開口を
有する熱融着性メッシュクロス３を成した。The composite flat yarn 5 was woven in a plain weave structure as a warp and a weft to form a heat-fusible mesh cloth 3 having openings of about 10 × 10 mm in a lattice shape.
【００１６】シ−ト基材２として坪量80g/m2のクラフト
紙を選び、熱融着性メッシュクロス３の裏面に配し、熱
融着性メッシュクロス３の上面から合成樹脂製フィルム
４を被覆するにあたり、ラミネ−ト樹脂として低密度ポ
リエチレン（MFR=8.0、融点124℃）を押出ラミネ−ト法
によりラミネ−トして、実施例１の積層シ−ト１を得
た。A kraft paper having a basis weight of 80 g / m 2 is selected as the sheet base material 2, placed on the back surface of the heat-fusible mesh cloth 3, and the synthetic resin film 4 is placed on the heat-fusible mesh cloth 3 from above. In coating, a laminated sheet 1 of Example 1 was obtained by laminating a low density polyethylene (MFR = 8.0, melting point: 124 ° C.) as a laminating resin by an extrusion laminating method.
【００１７】比較例１ 実施例１における熱融着性メッシュクロスに代えて高密
度ポリエチレン製の繊度500drの単層フラットヤ−ンと
したものを使用して、その他は実施例１と同様にシ−ト
基材を配し合成樹脂製フィルムをラミネ−トしたものを
比較例１の積層シ−トとした。Comparative Example 1 A single-layer flat yarn made of high-density polyethylene and having a fineness of 500 dr was used in place of the heat-fusible mesh cloth in Example 1, and the other parts were the same as in Example 1. A laminated sheet of Comparative Example 1 was obtained by laminating a synthetic resin film provided with a base material.
【００１８】実施例２ 実施例１における芯層６の樹脂をポリブチレンテレフタ
レ−ト（比重1.3、融点220℃）に、外層７の樹脂をエチ
レン−プロピレン共重合体（MFR=4.0、融点136℃）に代
えて、それ以外は同様にして複層フラットヤ−ン５を得
て、これを経糸及び緯糸として平織組織で織成し、格子
状に約５×５mmの開口を有する熱融着性メッシュクロス
３を成した。Example 2 In Example 1, the resin of the core layer 6 was polybutylene terephthalate (specific gravity 1.3, melting point 220 ° C.), and the resin of the outer layer 7 was an ethylene-propylene copolymer (MFR = 4.0, melting point 136). )), A multi-layer flat yarn 5 is obtained in the same manner, and woven as a warp and a weft in a plain weave structure, and is a heat-fusible mesh cloth having openings of about 5 x 5 mm in a lattice shape. 3 achieved.
【００１９】シ−ト基材２として坪量30g/m2のポリプロ
ピレン製スパンボンド不織布を選び、熱融着性メッシュ
クロス３の裏面に配し、熱融着性メッシュクロス３の上
面から合成樹脂製フィルム４を被覆するにあたり、ラミ
ネ−ト樹脂としてポリプロピレン（MFR=24.0、融点138
℃）を押出ラミネ−ト法によりラミネ−トして、実施例
２の積層シ−ト１を得た。A polypropylene spunbonded nonwoven fabric having a basis weight of 30 g / m 2 is selected as the sheet base material 2, placed on the back surface of the heat-fusible mesh cloth 3, and the synthetic resin is placed on the upper surface of the heat-fusible mesh cloth 3. When the film 4 is coated, polypropylene (MFR = 24.0, melting point 138) is used as a laminating resin.
C.) was laminated by an extrusion lamination method to obtain a laminated sheet 1 of Example 2.
【００２０】比較例２ 実施例２における熱融着性メッシュクロスに代えてポリ
ブチレンテレフタレ−ト製の繊度500drの単層フラット
ヤ−ンとしたものを使用して、その他は実施例２と同様
にシ−ト基材を配し合成樹脂製フィルムをラミネ−トし
たものを比較例２の積層シ−トとした。Comparative Example 2 A single-layer flat yarn with a fineness of 500 dr made of polybutylene terephthalate was used in place of the heat-fusible mesh cloth in Example 2, and the other conditions were the same as in Example 2. A laminated sheet of Comparative Example 2 was obtained by laminating a synthetic resin film with a sheet substrate disposed thereon.
【００２１】評価試験 実施例及び比較例の積層シ−トを引張強度測定（試験片
幅30mm、つかみ間隔50mm、引張速度200mm/min.）及び剥
離強度測定（試験片幅30mm、つかみ間隔50mm、引張速度
100mm/min.、シ−ト基材とメッシュクロス間の180゜剥
離）によって評価するものとし、測定結果を表１に示
す。Evaluation Test The laminated sheets of Examples and Comparative Examples were measured for tensile strength (test piece width 30 mm, gripping distance 50 mm, pulling speed 200 mm / min.) And peel strength measurement (test piece width 30 mm, gripping distance 50 mm, Tensile speed
100 mm / min., 180 ° peeling between the sheet substrate and the mesh cloth) and the measurement results are shown in Table 1.
【００２２】[0022]
【表１】 [Table 1]
【００２３】表１より、積層シ−トは共に補強材として
メッシュクロスの介在によって引張強力は同程度に増し
ているが、剥離強力は実施例の方が比較例に比べて格段
に大きく強固な積層接合が得られることが確認できるも
のとなった。From Table 1, it can be seen that the tensile strength of both laminated sheets is increased to the same degree by the interposition of the mesh cloth as a reinforcing material, but the peel strength of the embodiment is much larger and stronger than that of the comparative example. It was confirmed that lamination bonding was obtained.
【００２４】[0024]
【発明の効果】本発明は前述のごとき構成により、ラミ
ネ−ト樹脂が熱融着性メッシュクロスの格子状の開口部
を透過してシ−ト基材と接着するのみならず、熱融着性
メッシュクロスを構成する複層フラットヤ−ンの外層の
低融点成分が、ラミネ−ト加工時の加熱及び加圧によっ
てシ−ト基材と熱融着するために積層体全体に非接着部
分が存在しなくなり、接着強力が強固で層間の剥離の生
じ難い積層シ−トとなるのである。According to the present invention, not only the laminating resin passes through the lattice-shaped openings of the heat-fusible mesh cloth and adheres to the sheet base material, but also the heat-sealing, according to the above constitution. The low-melting-point component of the outer layer of the multilayer flat yarn constituting the conductive mesh cloth is heat-sealed to the sheet substrate by heating and pressurizing during laminating, so that the non-adhesive part is formed over the entire laminate. Thus, the laminated sheet has a strong adhesive strength and hardly causes delamination between layers.
【図１】本発明の積層シ−トの一部破断部分平面図であ
る。FIG. 1 is a partially broken partial plan view of a laminated sheet of the present invention.
【図２】本発明の積層シ−トの部分断面図である。FIG. 2 is a partial cross-sectional view of the laminated sheet of the present invention.
【図３】本発明の積層シ−トに用いられる複層フラット
ヤ−ンの部分断面図である。FIG. 3 is a partial cross-sectional view of a multilayer flat yarn used in the laminated sheet of the present invention.
１ 積層シ−ト ２ シ−ト基材 ３ 熱融着性メッシュクロス ４ 合成樹脂製フィルム ５ 複層フラットヤ−ン ６ 芯層 ７ 外層 DESCRIPTION OF SYMBOLS 1 Laminated sheet 2 Sheet base material 3 Heat-fusible mesh cloth 4 Synthetic resin film 5 Multilayer flat yarn 6 Core layer 7 Outer layer
Claims (1)
成分で表裏両面の外層７を形成した複層フラットヤーン
５を経緯条に用いて織成される格子状に開口部を形成し
た熱融着性メッシュクロス３の裏面にシート基材２を重
ね合わせ、該熱融着性メッシュクロス３の上面に、前記
複層フラットヤーン５の低融点成分の融点を超え、かつ
高融点成分の融点未満の融点を有する合成樹脂を用いた
合成樹脂フィルム４を溶融押出ラミネート法により被覆
して積層されたことを特徴とする積層シート。An opening is formed in a lattice shape woven by using a multilayer flat yarn 5 in which a core layer 6 is formed by a high melting point component and outer layers 7 on both front and back sides are formed by a low melting point component as a weft. superposed sheet substrate 2 on the back surface of the heat-welding the mesh cloth 3 that, on the upper surface of the heat-fusible mesh cloth 3, wherein
Exceeds the melting point of the low melting point component of the multilayer flat yarn 5, and
A laminated sheet obtained by coating and laminating a synthetic resin film 4 using a synthetic resin having a melting point lower than the melting point of the high melting point component by a melt extrusion lamination method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6226320A JP2922793B2 (en) | 1994-09-21 | 1994-09-21 | Laminated sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6226320A JP2922793B2 (en) | 1994-09-21 | 1994-09-21 | Laminated sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0890695A JPH0890695A (en) | 1996-04-09 |
| JP2922793B2 true JP2922793B2 (en) | 1999-07-26 |
Family
ID=16843349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6226320A Expired - Fee Related JP2922793B2 (en) | 1994-09-21 | 1994-09-21 | Laminated sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2922793B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369547A (en) * | 2022-06-09 | 2022-11-22 | 常州艾克特纺织科技有限公司 | Reinforcing fabric, injection molded part and manufacturing method |
-
1994
- 1994-09-21 JP JP6226320A patent/JP2922793B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0890695A (en) | 1996-04-09 |
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