JPH05293920A - Easily moldable composite structure - Google Patents
Easily moldable composite structureInfo
- Publication number
- JPH05293920A JPH05293920A JP9951592A JP9951592A JPH05293920A JP H05293920 A JPH05293920 A JP H05293920A JP 9951592 A JP9951592 A JP 9951592A JP 9951592 A JP9951592 A JP 9951592A JP H05293920 A JPH05293920 A JP H05293920A
- Authority
- JP
- Japan
- Prior art keywords
- composite structure
- easily moldable
- core material
- moldable composite
- material made
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000011162 core material Substances 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims abstract description 3
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
(57)【要約】
【目的】 スキー板,スノーボード及びテニスラケット
等各種成形品を簡易に成形加工し得る易成形性複合構造
体を提供する。
【構成】 横断面形状が円形状又は多角形状である熱可
塑性発泡樹脂からなる芯材の周囲に,繊維強化熱可塑性
樹脂シートからなる表面材が巻回されている易成形性複
合構造体。(57) [Summary] [Purpose] To provide an easily moldable composite structure capable of easily forming various molded products such as skis, snowboards and tennis rackets. An easily moldable composite structure in which a surface material made of a fiber reinforced thermoplastic resin sheet is wound around a core material made of a thermoplastic foamed resin having a circular or polygonal cross section.
Description
【0001】[0001]
【産業上の利用分野】本発明は,スキー板,スノーボー
ド及びテニスラケット等各種成形品の製造に適した易成
形性複合構造体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an easily moldable composite structure suitable for manufacturing various molded products such as skis, snowboards and tennis rackets.
【0002】[0002]
【従来の技術】従来,スキー板本体を構成する発泡合成
樹脂製芯体の上下両面に繊維強化樹脂シートを積層した
スキー板が,特開平3−244482号公報に開示され
ている。2. Description of the Related Art Conventionally, a ski having a fiber-reinforced resin sheet laminated on both upper and lower surfaces of a foam synthetic resin core constituting a ski body has been disclosed in Japanese Patent Laid-Open No. 3-244482.
【0003】[0003]
【発明が解決しようとする課題】しかしながら,上記公
報記載のスキー板は,予めスキーの形態に成形した芯体
の上下に,予めスキーの上下両面と同じパターンに切断
した繊維強化樹脂シートを積層し,圧力容器中で加熱加
圧して製造されるものであり,工程が複雑で機械化が困
難であり,製造コストも高価になるという問題があっ
た。However, in the ski plate described in the above publication, a fiber-reinforced resin sheet previously cut in the same pattern as the upper and lower surfaces of the ski is laminated on the upper and lower sides of a core body previously formed in the form of a ski. Since it is manufactured by heating and pressurizing in a pressure vessel, there are problems that the process is complicated, mechanization is difficult, and the manufacturing cost becomes expensive.
【0004】本発明はかかる従来の問題点を解消し,ス
キー板,スノーボード及びテニスラケット等各種成形品
を簡易に成形加工し得る易成形性複合構造体の提供を目
的とする。An object of the present invention is to solve the above conventional problems and to provide an easily moldable composite structure capable of easily forming various molded products such as skis, snowboards and tennis rackets.
【0005】[0005]
【課題を解決するための手段】本発明は,上記課題を解
決するために,横断面形状が円形状又は多角形状である
熱可塑性発泡樹脂からなる芯材の周囲に,繊維強化熱可
塑性樹脂シートからなる表面材が巻回されている易成形
性複合構造体を要旨とするものである。In order to solve the above problems, the present invention provides a fiber reinforced thermoplastic resin sheet around a core material made of thermoplastic foamed resin having a circular or polygonal cross section. The gist is an easily moldable composite structure in which a surface material made of is wound.
【0006】本発明の複合構造体は,その芯材の横断面
形状が円形状又は多角形状をなしているので,芯材の周
囲への表面材の巻回が極めて容易であり,この巻回を機
械化することも可能である。In the composite structure of the present invention, since the cross-sectional shape of the core material is circular or polygonal, it is extremely easy to wind the surface material around the core material. It is also possible to mechanize.
【0007】そして,本発明の複合構造体は,芯材及び
表面材のマトリックスの双方が熱可塑性樹脂からなって
いるので,この複合構造体を,例えばオーブン等で加熱
軟化させてから室温の型内に入れて所定の形に圧縮成形
するだけで容易に目的の成形品を得ることができ,この
成形工程も容易に機械化することが可能である。In the composite structure of the present invention, since both the matrix of the core material and the matrix of the surface material are made of thermoplastic resin, the composite structure is heated and softened in, for example, an oven and then molded at room temperature. A desired molded product can be easily obtained only by putting it inside and compression-molding it into a predetermined shape, and this molding process can be easily mechanized.
【0008】本発明の複合構造体の本体を構成する芯材
に用いる樹脂としては,ポリメチルメタアクリレート,
ポリ塩化ビニル,ポリカーボネート等が好適に使用さ
れ,また表面材を構成する補強繊維としては,炭素繊
維,ガラス繊維,及びアラミド繊維等が好適に使用さ
れ,更に表面材のマトリックス樹脂としては,ポリメチ
ルメタアクリレート,ポリアミド等が好適に使用され
る。As the resin used for the core material constituting the main body of the composite structure of the present invention, polymethylmethacrylate,
Polyvinyl chloride, polycarbonate, etc. are preferably used, carbon fibers, glass fibers, aramid fibers, etc. are preferably used as the reinforcing fibers constituting the surface material, and polymethylmethyl resin is used as the matrix resin of the surface material. Methacrylate and polyamide are preferably used.
【0009】[0009]
【実施例】以下実施例により本発明を更に具体的に説明
する。EXAMPLES The present invention will be described in more detail with reference to the following examples.
【0010】(実施例1)表面材として,炭素繊維を一
方向に引き揃え,これにポリメチルメタアクリレート樹
脂を含浸したUDプリプレグシート(目付250g/m
2,樹脂含有率35wt%,厚さ0.15mm)を用
い,芯材として棒状の塩化ビニル発泡体(40mm×4
0mm×1800mm,密度0.7g/cc)を用い
て,芯材の周囲に先ずプリプレグシートを炭素繊維の引
き揃え方向と芯材の長手方向とが一致する状態で2層巻
回し,その上に幅115mmに切断したテープ状のプリ
プレグシートを炭素繊維の引き揃え方向と芯材の長手方
向とが+45゜の角度をなす状態で1層巻回し,更にそ
の上に−45゜の角度をなす状態で1層巻回して本発明
に係わる易成形性複合構造体を形成した。(Example 1) As a surface material, carbon fibers were aligned in one direction and impregnated with a polymethylmethacrylate resin, a UD prepreg sheet (with a basis weight of 250 g / m 2)
2 , resin content 35wt%, thickness 0.15mm), rod-shaped vinyl chloride foam (40mm × 4)
Using 0 mm x 1800 mm and a density of 0.7 g / cc), a prepreg sheet is first wound around the core material in two layers with the carbon fiber aligning direction and the longitudinal direction of the core material being coincident with each other. A tape-shaped prepreg sheet cut into a width of 115 mm is wound in one layer with the carbon fiber aligning direction and the longitudinal direction of the core material forming an angle of + 45 °, and further forms an angle of −45 ° on it. 1 layer was wound to form an easily moldable composite structure according to the present invention.
【0011】この複合構造体を,160℃のオーブン内
に入れて軟化させた後,直ちに室温の金型に載置して圧
縮成形し,約5分後金型から外して先端部断面でおよそ
幅75mm、厚さ5mmであり、中央部断面でおよそ幅
65mm、厚さ15mmであり後端部断面でおよそ幅7
7mm、厚さ3mmの長手方向に矩形の変断面を有する
1800mmのアルペンスキー用の板を得た。This composite structure was placed in an oven at 160 ° C. to be softened, and then immediately placed on a mold at room temperature for compression molding. After about 5 minutes, the composite structure was removed from the mold and the cross section of the tip portion was roughly The width is 75 mm, the thickness is 5 mm, the central section has a width of about 65 mm, the thickness is 15 mm, and the rear end section has a width of about 7 mm.
A 1800 mm Alpine ski plate having a rectangular cross section of 7 mm and a thickness of 3 mm in the longitudinal direction was obtained.
【0012】得られた板は軽量で剛性が高く,熱応力に
よるソリやヒケもなく,寸法精度の高いものであった。
また、板自身の振動減衰性が高く乗り心地の良い優れた
スキー板となった。The obtained plate was lightweight, had high rigidity, was free from warpage and sink marks due to thermal stress, and had high dimensional accuracy.
In addition, the ski itself has excellent vibration damping and is comfortable to ride in.
【0013】(実施例2)表面材として,炭素繊維を一
方向に引き揃え,これにポリメチルメタアクリレート樹
脂を含浸したUDプリプレグシート(目付250g/m
2,樹脂含有率35wt%,厚さ0.15mm)を用
い,芯材として棒状の塩化ビニル発泡体(20mm×2
0mm×1200mm,密度0.5g/cc)を用い
て,芯材の周囲に先ずプリプレグシートを炭素繊維の引
き揃え方向と芯材の長手方向とが一致する状態で1層巻
回し,その上に幅56mmに切断したテープ状のプリプ
レグシートを炭素繊維の引き揃え方向と芯材の長手方向
とが+45゜の角度をなす状態で1層巻回し,更にその
上に−45゜の角度をなす状態で1層巻回して本発明に
係わる易成形性複合構造体を形成した。(Example 2) As a surface material, carbon fibers were aligned in one direction and impregnated with a polymethylmethacrylate resin, a UD prepreg sheet (Basis weight: 250 g / m 2)
2 , resin content 35 wt%, thickness 0.15 mm), rod-shaped vinyl chloride foam (20 mm x 2) as core material
Using 0 mm × 1200 mm, density 0.5 g / cc), a layer of prepreg sheet is first wound around the core material in a state where the carbon fiber alignment direction and the longitudinal direction of the core material are coincident with each other. A tape-shaped prepreg sheet cut to a width of 56 mm is wound in one layer with the carbon fiber aligning direction and the longitudinal direction of the core material forming an angle of + 45 °, and further forming a −45 ° angle on it 1 layer was wound to form an easily moldable composite structure according to the present invention.
【0014】この複合構造体を,160℃のオーブン内
に入れて軟化させた後,直ちに室温の金型に載置して圧
縮成形し,約5分後金型から外してテニスラケット用の
素管を得た。この素管のグリップ部は上記複合構造体が
2本並ぶことによりおよそ幅20mm,高さ30mmの
断面寸法を有し、ストリング部はおよそ短径10mm,
長径30mmの楕円形状を有する。これにスロートとし
てあらかじめ射出成形で成形した部品をあらかじめ本体
のストリング部に設けてある溝に勘合接着し目的のテニ
スラケットを得た。This composite structure was placed in an oven at 160 ° C. for softening, immediately placed on a mold at room temperature for compression molding, and after about 5 minutes, removed from the mold and removed from the mold for tennis racket. Got a tube. The grip portion of this tube has a cross-sectional dimension of about 20 mm in width and 30 mm in height due to the two composite structures being arranged side by side, and the string portion has a minor axis of about 10 mm
It has an elliptical shape with a major axis of 30 mm. To this, a pre-injection-molded part as a throat was fitted and adhered to a groove previously provided in the string portion of the main body to obtain a desired tennis racket.
【0015】得られたラケットはは軽量で剛性が高く,
熱応力によるソリやヒケもなく,寸法精度の高いもので
あった。また、ラケット自身の振動減衰性が高いので人
体に負荷の少ない優れた特性を有するものとなった。The obtained racket is lightweight and has high rigidity,
There was no warp or sink due to thermal stress, and the dimensional accuracy was high. Further, since the racket itself has a high vibration damping property, the racket has excellent characteristics with less load on the human body.
【0016】[0016]
【発明の効果】上述の如く構成された本発明によれば,
極めて簡単にスキー板,スノーボード及びテニスラケッ
ト等に成形することが出来,機械化も容易に行える等の
優れた効果を奏するものである。According to the present invention configured as described above,
It is extremely easy to form into skis, snowboards, tennis rackets, etc., and has excellent effects such as easy mechanization.
Claims (1)
可塑性発泡樹脂からなる芯材の周囲に,繊維強化熱可塑
性樹脂シートからなる表面材が巻回されている易成形性
複合構造体。1. A easily moldable composite structure in which a surface material made of a fiber reinforced thermoplastic resin sheet is wound around a core material made of a thermoplastic foamed resin having a circular or polygonal cross section. ..
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9951592A JPH05293920A (en) | 1992-04-20 | 1992-04-20 | Easily moldable composite structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9951592A JPH05293920A (en) | 1992-04-20 | 1992-04-20 | Easily moldable composite structure |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05293920A true JPH05293920A (en) | 1993-11-09 |
Family
ID=14249393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9951592A Pending JPH05293920A (en) | 1992-04-20 | 1992-04-20 | Easily moldable composite structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05293920A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3078485A4 (en) * | 2013-12-06 | 2016-11-02 | Mitsubishi Rayon Co | LAMINATED SUBSTRATE MADE OF FIBER-REINFORCED THERMOPLASTIC PLASTIC, AND METHOD OF MANUFACTURING MOLDED PRODUCT USING THE SAME |
-
1992
- 1992-04-20 JP JP9951592A patent/JPH05293920A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3078485A4 (en) * | 2013-12-06 | 2016-11-02 | Mitsubishi Rayon Co | LAMINATED SUBSTRATE MADE OF FIBER-REINFORCED THERMOPLASTIC PLASTIC, AND METHOD OF MANUFACTURING MOLDED PRODUCT USING THE SAME |
US10919259B2 (en) | 2013-12-06 | 2021-02-16 | Mitsubishi Chemical Corporation | Laminated substrate using fiber-reinforced thermoplastic plastic, and molded product manufacturing method using same |
US11752728B2 (en) | 2013-12-06 | 2023-09-12 | Mitsubishi Chemical Corporation | Laminated substrate using fiber-reinforced thermoplastic plastic, and molded product manufacturing method using same |
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