JPH0577273A - Fiber-reinforced thermoplastic resin molded form and molding method thereof - Google Patents
Fiber-reinforced thermoplastic resin molded form and molding method thereofInfo
- Publication number
- JPH0577273A JPH0577273A JP3239550A JP23955091A JPH0577273A JP H0577273 A JPH0577273 A JP H0577273A JP 3239550 A JP3239550 A JP 3239550A JP 23955091 A JP23955091 A JP 23955091A JP H0577273 A JPH0577273 A JP H0577273A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- fiber
- sheet
- reinforced thermoplastic
- porous fibrous
- 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
Landscapes
- Reinforced Plastic Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、外観のよい繊維強化熱
可塑性樹脂成形品を提供するものであり、成形品は車両
部品、弱電機器部品に使用される。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a fiber-reinforced thermoplastic resin molded article having a good appearance, which molded article is used for vehicle parts and light electric equipment parts.
【０００２】[0002]
【従来の技術】近年、繊維強化熱可塑性樹脂成形品を得
る方法として、繊維強化熱可塑性樹脂シートを加熱し
て、プレス成形により製品得る、いわゆるスタンパブル
・シートの技術が注目されている。この技術は、強化に
もちいる繊維により２つに別けられる。１つは数ｍｍ〜
１００ｍｍ長さの中繊維長の単繊維と熱可塑性樹脂粉末
を湿式、または乾式で混合し、加熱ロールプレスを経て
繊維強化熱可塑性樹脂シートを製造し、これを予備加熱
後、プレスして繊維強化熱可塑性樹脂成形品を得る方法
である（例えば特開昭５７−２８１３５号公報）。もう
一方は、長繊維からなるマット状物に溶融した熱可塑性
樹脂を押出しラミネートし、ロールを経て繊維強化熱可
塑性樹脂シートを製造し、これを予備加熱しプレス成形
で繊維強化熱可塑性樹脂成形品を得るものである。2. Description of the Related Art In recent years, as a method for obtaining a fiber-reinforced thermoplastic resin molded product, so-called stampable sheet technology has been drawing attention, in which a fiber-reinforced thermoplastic resin sheet is heated to obtain a product by press molding. This technique can be divided into two, depending on the fibers used for reinforcement. One is a few mm
Single fiber of 100 mm long medium fiber length and thermoplastic resin powder are mixed in a wet or dry manner, and a fiber reinforced thermoplastic resin sheet is manufactured through a heating roll press, which is preheated and then pressed to be fiber reinforced. This is a method for obtaining a thermoplastic resin molded product (for example, JP-A-57-28135). On the other hand, melted thermoplastic resin is extruded and laminated on a matte material consisting of long fibers, and a fiber reinforced thermoplastic resin sheet is manufactured through a roll, which is preheated and press-molded to form a fiber reinforced thermoplastic resin molded product. Is what you get.
【０００３】[0003]
【発明が解決しようとする課題】これら従来の方法から
得られる繊維強化熱可塑性樹脂成形品はいずれも表面部
分に繊維が現れることから表面外観の粗いものしか得ら
れないという問題点がある。The fiber-reinforced thermoplastic resin moldings obtained by these conventional methods all have a problem that only the one having a rough surface appearance can be obtained because fibers appear on the surface portion.
【０００４】[0004]
【課題を解決するための手段】本願発明者らはこの問題
点を克服する成形加工技術を開発すべく鋭意検討の結
果、本発明に至ったものである。即ち、本発明は、一対
の金型の下金型上に予熱した繊維強化熱可塑性樹脂シー
トと多孔性繊維質シートを重ねて載置し、該多孔性繊維
質シート側の金型内に設けた樹脂通路より溶融状態の熱
可塑性樹脂を供給し、加圧冷却することを特徴とする繊
維強化熱可塑性樹脂成形品の成形方法である。The inventors of the present invention have completed the present invention as a result of extensive studies to develop a molding processing technique that overcomes this problem. That is, the present invention is to place a preheated fiber-reinforced thermoplastic resin sheet and a porous fibrous sheet on a lower mold of a pair of molds in a stacked manner, and provide the mold in the side of the porous fibrous sheet. A method for molding a fiber-reinforced thermoplastic resin molded article is characterized in that a molten thermoplastic resin is supplied from a resin passage and pressurized and cooled.
【０００５】本発明に用いる繊維強化熱可塑性樹脂シー
トの強化用の繊維としては、ガラス繊維、カーボン繊
維、ステンレス等の金属繊維などの無機質繊維、アラミ
ド等の有機質繊維、および、無機、有機繊維の混合物を
使用することができ、特にガラス繊維は低コストで、高
い補強効果が得られ、繊維の直径は１〜５０μｍの一般
的に得られる繊維を使用することができ、繊維長は補強
効果の点から５ｍｍ以上のものが好適に用いられる。Fibers for reinforcing the fiber-reinforced thermoplastic resin sheet used in the present invention include inorganic fibers such as glass fibers, carbon fibers, metal fibers such as stainless steel, organic fibers such as aramid, and inorganic and organic fibers. Mixtures can be used, in particular glass fibers are low in cost, a high reinforcing effect can be obtained, commonly obtained fibers having a fiber diameter of 1 to 50 μm can be used, and the fiber length is a reinforcing effect. Those having a length of 5 mm or more are preferably used from the point.
【０００６】また繊維強化熱可塑性樹脂シートのマトリ
ックス樹脂としては、通常、押出成形、射出成形、プレ
ス成形等に用いられている熱可塑性樹脂ならばいづれも
使用可能で、例えば、ポリエチレン、ポリプロピレン、
ポリスチレン、アクリロニトリル・スチレン・ブタジエ
ン共重合体、ポリ塩化ビニル、ポリアミド、ポリカーボ
ネート、ポリエチレンテレフタレート、ポリブチレンフ
タレート、スチレン・アクリロニトリル共重合体等の熱
可塑性樹脂をあげることができ、これらの混合物、これ
らの熱可塑性樹脂を用いたポリマーアロイ等も用いるこ
とができる。特にコストが安く機械的、熱的性質が優れ
ている点から、ポリプロピレン、ナイロン等が好適なも
のとして用いることができる。As the matrix resin of the fiber-reinforced thermoplastic resin sheet, any thermoplastic resin generally used in extrusion molding, injection molding, press molding and the like can be used. Examples thereof include polyethylene, polypropylene,
Examples thereof include thermoplastic resins such as polystyrene, acrylonitrile / styrene / butadiene copolymer, polyvinyl chloride, polyamide, polycarbonate, polyethylene terephthalate, polybutylene phthalate, and styrene / acrylonitrile copolymer. A polymer alloy or the like using a plastic resin can also be used. Particularly, polypropylene, nylon and the like can be preferably used because of their low cost and excellent mechanical and thermal properties.
【０００７】多孔性繊維質シートとしては、長繊維を編
んだもの、長繊維を重ねておきニードル加工したニード
ル加工シート、長繊維をスネーク状に並べバインダーで
シート状にしたもの、５〜５０ｍｍ長の繊維を湿式抄紙
法で製造した抄紙シート等種々なものがあり、いずれも
使用可能である。As the porous fibrous sheet, long fibers are knitted, needle-processed sheets in which long fibers are stacked and needle-processed, long fibers are arranged in a snake shape and formed into a sheet with a binder, 5 to 50 mm long There are various types of papermaking sheets, such as a papermaking sheet produced by the wet papermaking method of the above fibers, and any of them can be used.
【０００８】本願発明に用いられる熱可塑性樹脂はポリ
エチレン、ポリプロピレン、ポリスチレン、ポリ塩化ビ
ニル、ＡＢＳ樹脂、ポリアクリロニトリル、ポリアミ
ド、ポリカーボネート、ポリエチレンテレフタレート等
の一般的熱可塑性樹脂及びこれらの混合物、ポリマーア
ロイ等が用いられる。これらの熱可塑性樹脂には熱安定
剤、紫外線防止剤などの添加剤、また着色剤などを含ん
でいてもよい。実質的に繊維を含まず、表面が平滑で外
観のよい、繊維強化熱可塑性樹脂シートと溶着性のよい
熱可塑性樹脂を選べばよく、繊維強化熱可塑性樹脂シー
トのマトリックス樹脂と同類のものを用いるとよい。The thermoplastic resin used in the present invention includes general thermoplastic resins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, ABS resin, polyacrylonitrile, polyamide, polycarbonate and polyethylene terephthalate, and mixtures thereof, polymer alloys and the like. Used. These thermoplastic resins may contain a heat stabilizer, an additive such as an ultraviolet protective agent, and a colorant. A fiber-reinforced thermoplastic resin sheet that is substantially free of fibers and has a smooth surface and good appearance, and a thermoplastic resin with good weldability may be selected, and the same kind of matrix resin as the fiber-reinforced thermoplastic resin sheet is used. Good.
【０００９】以下に図で説明する。図１は金型の断面図
である。（１）は上金型で上下に駆動するプレス機の上
プラテンに取付けられている。（２）は上金型面、
（３）は樹脂通路、（５）は樹脂通路端でここに樹脂供
給装置が接続されている。（７）は下金型面で、下金型
面上に予熱した繊維強化熱可塑性樹脂シート（８）と多
孔性繊維質シート（９）を重ねて載置する。A description will be given below with reference to the drawings. FIG. 1 is a sectional view of a mold. (1) is attached to the upper platen of a press machine that is driven vertically by an upper mold. (2) is the upper mold surface,
(3) is a resin passage, and (5) is an end of the resin passage, to which a resin supply device is connected. (7) is a lower mold surface, on which the preheated fiber-reinforced thermoplastic resin sheet (8) and the porous fibrous sheet (9) are placed.
【００１０】次に図２に示すように、型閉めを行なって
樹脂通路（３）を介して樹脂供給口（４）から溶融した
熱可塑性樹脂を供給する。このとき、光沢ムラ、小皺、
流れ模様などがない外観の良好な表面層を得るために、
型閉め速度は３０ｍｍ／ｓｅｃ以下とし、上下金型間の
クリアランスが予熱した繊維強化熱可塑性樹脂シートの
厚みプラス５０ｍｍ以下で予熱した繊維強化熱可塑性樹
脂シートの厚みよりも大きいときに熱可塑性樹脂の供給
を行なうことが望ましく、金型温度は５０℃以上が望ま
しい。Next, as shown in FIG. 2, the mold is closed and the molten thermoplastic resin is supplied from the resin supply port (4) through the resin passage (3). At this time, uneven gloss, small wrinkles,
In order to obtain a surface layer with a good appearance without flow patterns,
The mold closing speed is 30 mm / sec or less, and when the clearance between the upper and lower molds is larger than the thickness of the preheated fiber-reinforced thermoplastic resin sheet plus 50 mm or less, the clearance of the thermoplastic resin is larger than that of the preheated fiber-reinforced thermoplastic resin sheet. It is desirable to supply the mold, and the mold temperature is preferably 50 ° C. or higher.
【００１１】次に図３に示すように、型締めを行なって
冷却して成形を行なう。繊維強化熱可塑性樹脂シートは
芯材層になり、熱可塑性樹脂層は表面層になる。Next, as shown in FIG. 3, the mold is clamped and cooled to perform molding. The fiber-reinforced thermoplastic resin sheet becomes the core material layer, and the thermoplastic resin layer becomes the surface layer.
【００１２】本成形では、溶融した熱可塑性樹脂は多孔
性繊維質シート上を流動するので、予熱した繊維強化熱
可塑性樹脂シート層は溶融した熱可塑性樹脂の流動によ
り乱されることがなく多孔性繊維質シートにより保護さ
れる。また、多孔性繊維質シートの隙間を介して、繊維
強化熱可塑性樹脂シートのマトリックス樹脂と供給され
た溶融状態の熱可塑性樹脂が溶着して、強固な繊維強化
熱可塑性樹脂成形品ができる。また、成形品の外観はよ
く、表面は平滑である。特に、平均長さが５ｍｍ以上、
５０ｍｍ以下の繊維から湿式抄紙法で製造した多孔性繊
維質シートは表面が平滑で、適度な多孔性があるため、
これを用いると繊維強化熱可塑性樹脂シートがよく保護
され、得られる成形品の表面状態も良好であり、繊維強
化熱可塑性樹脂シート層と熱可塑性樹脂層の溶着性も優
れる。In this molding, since the molten thermoplastic resin flows on the porous fibrous sheet, the preheated fiber-reinforced thermoplastic resin sheet layer is porous without being disturbed by the flow of the molten thermoplastic resin. Protected by fibrous sheet. Further, the matrix resin of the fiber-reinforced thermoplastic resin sheet and the supplied thermoplastic resin in a molten state are welded through the gaps of the porous fibrous sheet, and a strong fiber-reinforced thermoplastic resin molded product can be obtained. Also, the appearance of the molded product is good, and the surface is smooth. In particular, the average length is 5 mm or more,
A porous fibrous sheet produced by a wet papermaking method from fibers of 50 mm or less has a smooth surface and appropriate porosity.
When this is used, the fiber-reinforced thermoplastic resin sheet is well protected, the surface condition of the obtained molded product is good, and the weldability between the fiber-reinforced thermoplastic resin sheet layer and the thermoplastic resin layer is excellent.
【００１３】実施例１ 繊維強化熱可塑性樹脂シートとしては、マトリックス樹
脂がポリプロピレン６０ｗｔ％、平均長さ１３ｍｍ、平
均径９μｍのガラス繊維４０ｗｔ％のもので、湿式抄紙
法で製造した厚さ２．０ｍｍのものを用いた。多孔性繊
維質シートとしては、平均長さ１３ｍｍ、平均径が９μ
ｍのガラス繊維を湿式抄紙法により製造した目付け７５
ｇ／ｍ2 のものを用いた。繊維強化熱可塑性樹脂シート
をオーブンで２１０℃に予熱し、繊維強化熱可塑性樹脂
シートと多孔性繊維質シートを重ねて下金型上におき、
上金型内に設けた樹脂通路より２１０℃の住友ノーブレ
ンＡＸ５６８（住友化学工業株式会社製ポリプロピレ
ン、メルトフローレート６５ｇ／１０分）を、型閉め速
度７ｍｍ／ｓｅｃ、上下金型間クリアランスが１５〜１
０ｍｍの時に供給した。その後、型締め冷却して成形を
行なった。上下金型温度はそれぞれ７５℃、６５℃、成
形圧力は６０ｋｇ／ｃｍ2 、冷却時間は３０ｓｅｃで行
なった。得られた繊維強化熱可塑性樹脂成形品は、厚み
３．０ｍｍの外観の良好なものであった。Example 1 A fiber reinforced thermoplastic resin sheet having a matrix resin of 60 wt% polypropylene, an average length of 13 mm, and a glass fiber of 40 wt% having an average diameter of 9 μm and having a thickness of 2.0 mm produced by a wet papermaking method I used the one. The porous fibrous sheet has an average length of 13 mm and an average diameter of 9 μ.
m weight of glass fiber manufactured by wet papermaking method 75
It was used in g / m 2. Preheat the fiber reinforced thermoplastic resin sheet to 210 ° C. in an oven, stack the fiber reinforced thermoplastic resin sheet and the porous fibrous sheet and place them on the lower mold,
Sumitomo Noblen AX568 (Sumitomo Chemical Co., Ltd. polypropylene, melt flow rate 65 g / 10 min) at 210 ° C. through a resin passage provided in the upper mold, mold closing speed 7 mm / sec, clearance between upper and lower molds is 15 to 1
It was supplied at 0 mm. After that, the mold was clamped and cooled to perform molding. The upper and lower mold temperatures were 75 ° C. and 65 ° C., the molding pressure was 60 kg / cm 2 , and the cooling time was 30 sec. The fiber-reinforced thermoplastic resin molded product obtained had a good appearance with a thickness of 3.0 mm.
【００１４】実施例２ 繊維強化熱可塑性樹脂シートとして、長ガラス繊維マッ
ト状物に溶融ポリプロピレンを押出しラミネートし、熱
ロール間を通して含浸させたガラス繊維４０ｗｔ％、厚
み３．０ｍｍのものを用いた以外は実施例１と同様にし
て成形を行なった。得られた繊維強化熱可塑性樹脂成形
品は、厚み３．７ｍｍの外観の良好なものであった。Example 2 As a fiber-reinforced thermoplastic resin sheet, except that a long glass fiber mat-like material was extruded and laminated with molten polypropylene and impregnated through hot rolls to obtain 40 wt% of glass fibers and a thickness of 3.0 mm Was molded in the same manner as in Example 1. The fiber-reinforced thermoplastic resin molded product obtained had a good appearance with a thickness of 3.7 mm.
【００１５】比較例１ 多孔性繊維質シートを用いなかった以外は実施例１と同
様に成形を行なった。樹脂供給口から供給された溶融樹
脂の流動により、この付近の繊維強化熱可塑性樹脂シー
トが樹脂供給口の外側に向かって一部押し流されて、得
られた成形品の表面にはリング上のマークが発生した。
また、樹脂供給口付近ではガラス繊維成分が少なく、樹
脂供給口から遠い部分でガラス繊維成分が多くなり、物
性的にも不均一なものであった。Comparative Example 1 Molding was performed in the same manner as in Example 1 except that the porous fibrous sheet was not used. Due to the flow of the molten resin supplied from the resin supply port, the fiber reinforced thermoplastic resin sheet in this vicinity is partially swept toward the outside of the resin supply port, and the surface of the obtained molded product has a mark on the ring. There has occurred.
Further, the glass fiber component was small in the vicinity of the resin supply port, and the glass fiber component was large in the part far from the resin supply port, and the physical properties were non-uniform.
【００１６】実施例３ 多孔性繊維質シートとして平均長さ２５ｍｍ、平均径１
３μｍのガラス繊維から湿式抄紙法で製造した重量８０
ｇ／ｍ2 のものを用いた以外は実施例１と同様にして成
形を行なった。得られた繊維強化熱可塑性樹脂成形品
は、外観の良好なものであった。Example 3 A porous fibrous sheet having an average length of 25 mm and an average diameter of 1
Weight 80 produced by wet papermaking from 3 μm glass fiber
Molding was carried out in the same manner as in Example 1 except that g / m 2 was used. The obtained fiber-reinforced thermoplastic resin molded product had a good appearance.
【００１７】実施例４ 多孔性繊維質シートとして平均長さ１３ｍｍ、平均径９
μｍのガラス繊維から湿式抄紙法で製造した重量１２０
ｇ／ｍ2 のものを用いた以外は実施例１と同様にして成
形を行なった。得られた繊維強化熱可塑性樹脂成形品
は、外観の良好なものであった。Example 4 A porous fibrous sheet having an average length of 13 mm and an average diameter of 9
Weight 120 produced by wet papermaking method from glass fiber of μm
Molding was carried out in the same manner as in Example 1 except that g / m 2 was used. The obtained fiber-reinforced thermoplastic resin molded product had a good appearance.
【００１８】[0018]
【発明の効果】本発明により、表面が平滑で外観のよい
繊維強化熱可塑性樹脂成形品が得られる。また、溶融樹
脂供給時、繊維強化熱可塑性樹脂シート層は多孔性繊維
質シートで保護されるため乱されず、また多孔性繊維質
シートを介して芯材層と表面層が溶着するので、強固な
繊維強化熱可塑性樹脂成形品が得られる。According to the present invention, a fiber-reinforced thermoplastic resin molded product having a smooth surface and a good appearance can be obtained. Further, when the molten resin is supplied, the fiber-reinforced thermoplastic resin sheet layer is protected by the porous fibrous sheet and thus is not disturbed, and the core material layer and the surface layer are welded together via the porous fibrous sheet, so A fiber-reinforced thermoplastic resin molded product can be obtained.
【００１９】[0019]
【図１】成形工程を示す縦の金型断面図である。FIG. 1 is a vertical mold cross-sectional view showing a molding process.
【図２】成形工程を示す縦の金型断面図である。FIG. 2 is a vertical sectional view of a mold showing a molding process.
【図３】成形工程を示す縦の金型断面図である。FIG. 3 is a vertical sectional view of a mold showing a molding process.
【図４】得られた繊維強化熱可塑性樹脂成形品の斜視図
である。FIG. 4 is a perspective view of the obtained fiber-reinforced thermoplastic resin molded product.
（１）上金型 （２）上金型面 （３）樹脂通路 （４）樹脂供給口 （５）樹脂通路端 （６）下金型 （７）下金型面 （８）繊維強化熱可
塑性樹脂シート （９）多孔性繊維質シート （１０）熱可塑性樹
脂 （１１）芯材層 （１２）表面層(1) Upper mold (2) Upper mold surface (3) Resin passage (4) Resin supply port (5) Resin passage end (6) Lower mold (7) Lower mold surface (8) Fiber reinforced thermoplastic Resin sheet (9) Porous fibrous sheet (10) Thermoplastic resin (11) Core material layer (12) Surface layer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｋ 105:08 Ｂ２９Ｌ 9:00 (72)発明者 北山 威夫 大阪府高槻市塚原２丁目10番１号 住友化 学工業株式会社内 (72)発明者 松原 重義 大阪府高槻市塚原２丁目10番１号 住友化 学工業株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Reference number within the agency FI Technical display location B29K 105: 08 B29L 9:00 (72) Inventor Takeo Kitayama 2-10-1 Tsukahara, Takatsuki-shi, Osaka No. Sumitomo Kagaku Kogyo Co., Ltd. (72) Inventor Shigeyoshi Matsubara 2-10-1 Tsukahara, Takatsuki City, Osaka Sumitomo Kagaku Kogyo Co., Ltd.
Claims (3)
熱可塑性樹脂シートと多孔性繊維質シートを重ねて載置
し、該多孔性繊維質シート側の金型内に設けた樹脂通路
より溶融状態の熱可塑性樹脂を供給し、加圧冷却するこ
とを特徴とする繊維強化熱可塑性樹脂成形品の成形方
法。1. A preheated fiber reinforced thermoplastic resin sheet and a porous fibrous sheet are placed on a lower mold of a pair of molds in an overlapping manner and provided in the mold on the side of the porous fibrous sheet. A method for molding a fiber-reinforced thermoplastic resin molded article, which comprises supplying a molten thermoplastic resin through a resin passage and cooling it under pressure.
維から湿式抄紙法により製造された多孔性繊維質シート
を用いることを特徴とする請求項１記載の繊維強化熱可
塑性樹脂成形品の成形方法。2. The molding of a fiber-reinforced thermoplastic resin molded article according to claim 1, wherein a porous fibrous sheet manufactured by a wet papermaking method is used from fibers having an average length of 5 mm or more and 50 mm or less. Method.
られる繊維強化熱可塑性樹脂成形品。3. A fiber-reinforced thermoplastic resin molded product obtained by the molding method according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3239550A JP3019527B2 (en) | 1991-09-19 | 1991-09-19 | Fiber-reinforced thermoplastic resin molded article and molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3239550A JP3019527B2 (en) | 1991-09-19 | 1991-09-19 | Fiber-reinforced thermoplastic resin molded article and molding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0577273A true JPH0577273A (en) | 1993-03-30 |
| JP3019527B2 JP3019527B2 (en) | 2000-03-13 |
Family
ID=17046478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3239550A Expired - Fee Related JP3019527B2 (en) | 1991-09-19 | 1991-09-19 | Fiber-reinforced thermoplastic resin molded article and molding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3019527B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002287768A (en) * | 2001-03-28 | 2002-10-04 | Nichias Corp | Molded acoustic material and method of manufacturing the same |
| JP2005343081A (en) * | 2004-06-04 | 2005-12-15 | Calsonic Kansei Corp | Method for producing interior finish material |
| FR3011500A1 (en) * | 2013-10-03 | 2015-04-10 | Valeo Systemes Thermiques | HOT COMPRESSION METHOD AND OVERMOLDING COMPOSITE INSERT AND HOT COMPRESSION MOLD AND OVERMOLDING THEREOF |
| CN104755240A (en) * | 2012-10-30 | 2015-07-01 | 三菱丽阳株式会社 | Method for manufacturing preform and method for manufacturing fiber-reinforced resin molded article |
| JP2019181901A (en) * | 2018-04-17 | 2019-10-24 | 旭化成株式会社 | Method for manufacturing molding product |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971333A (en) | 2018-03-30 | 2020-11-20 | 东丽株式会社 | Molded article and method for producing same |
-
1991
- 1991-09-19 JP JP3239550A patent/JP3019527B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002287768A (en) * | 2001-03-28 | 2002-10-04 | Nichias Corp | Molded acoustic material and method of manufacturing the same |
| JP2005343081A (en) * | 2004-06-04 | 2005-12-15 | Calsonic Kansei Corp | Method for producing interior finish material |
| CN104755240A (en) * | 2012-10-30 | 2015-07-01 | 三菱丽阳株式会社 | Method for manufacturing preform and method for manufacturing fiber-reinforced resin molded article |
| CN104755240B (en) * | 2012-10-30 | 2017-04-05 | 三菱丽阳株式会社 | The manufacture method of the manufacture method and fiber-reinforced resin products formed of preform |
| FR3011500A1 (en) * | 2013-10-03 | 2015-04-10 | Valeo Systemes Thermiques | HOT COMPRESSION METHOD AND OVERMOLDING COMPOSITE INSERT AND HOT COMPRESSION MOLD AND OVERMOLDING THEREOF |
| JP2019181901A (en) * | 2018-04-17 | 2019-10-24 | 旭化成株式会社 | Method for manufacturing molding product |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3019527B2 (en) | 2000-03-13 |
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