JPH02206508A - Manufacture of fiber-reinforced synthetic resin molded body - Google Patents
Manufacture of fiber-reinforced synthetic resin molded bodyInfo
- Publication number
- JPH02206508A JPH02206508A JP1028296A JP2829689A JPH02206508A JP H02206508 A JPH02206508 A JP H02206508A JP 1028296 A JP1028296 A JP 1028296A JP 2829689 A JP2829689 A JP 2829689A JP H02206508 A JPH02206508 A JP H02206508A
- Authority
- JP
- Japan
- Prior art keywords
- large number
- synthetic resin
- fiber
- roving
- roving fibers
- 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
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 32
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 238000010009 beating Methods 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 19
- 238000007493 shaping process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 4
- 238000005470 impregnation Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 229920006337 unsaturated polyester resin Polymers 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、繊維強化合成樹脂成形体の製造方法に関する
。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a fiber-reinforced synthetic resin molded article.
（従来の技術）
ガラス繊維などを用いた織布、不織布、ロービング繊維
に、不飽和ポリエステル樹脂などの合成樹脂液を含浸し
た材料を用いて繊維強化合成樹脂成形体を製造する技術
は広く知られている。(Prior art) The technology of manufacturing fiber-reinforced synthetic resin molded bodies using materials such as woven fabrics, non-woven fabrics, and roving fibers made of glass fibers impregnated with a synthetic resin liquid such as unsaturated polyester resin is widely known. ing.
かかる繊維強化合成樹脂成形体の製造技術にあって、織
布や不織布を用いる場合は、材料コストが高く、しかも
合成樹脂液を均−且つ充分に含浸し難いという問題があ
る。これに対し、ロービング繊維を用いる場合は、上記
のような問題は少ないという利点がある。In the manufacturing technology of such fiber-reinforced synthetic resin molded bodies, when woven fabrics or non-woven fabrics are used, there are problems in that the material cost is high and it is difficult to uniformly and sufficiently impregnate the synthetic resin liquid. On the other hand, when roving fibers are used, there is an advantage that the above-mentioned problems are less likely to occur.
（発明が解決しようとする課題）
ところが、ロービング繊維を用いた繊維強化合成樹脂成
形体は、ロービング繊維が長手方向のみに配列している
ため、耐衝撃性が充分に改善されないという問題がある
。(Problems to be Solved by the Invention) However, a fiber-reinforced synthetic resin molded article using roving fibers has a problem in that impact resistance is not sufficiently improved because the roving fibers are arranged only in the longitudinal direction.
本発明は、上記の問題を解決するものであり、その目的
とするところは、耐衝撃性が充分に改善され、耐久性に
優れた繊維強化合成樹脂成形体の製造方法を提供するこ
とにある。The present invention solves the above-mentioned problems, and its purpose is to provide a method for producing a fiber-reinforced synthetic resin molded article that has sufficiently improved impact resistance and excellent durability. .
（課題を解決するための手段）
本発明の繊維強化合成樹脂成形体の製造方法は、多数の
ロービング繊維を弛緩状態に保持し、こＱ多数のロービ
ング繊維を表面に多数の突起を有する打繊器具で叩打し
ながら、これに合成樹脂液又は粉を含浸させ、これを成
形することを特徴とし、そのことより上記の目的が達成
される。(Means for Solving the Problems) The method for producing a fiber-reinforced synthetic resin molded article of the present invention involves maintaining a large number of roving fibers in a relaxed state, and forming a large number of roving fibers into a fiber having a large number of protrusions on the surface. It is characterized in that it is impregnated with a synthetic resin liquid or powder and molded while being beaten with an instrument, thereby achieving the above object.
以下、本発明方法を図面を参照しながら説明する。The method of the present invention will be explained below with reference to the drawings.
第１図において、１０はボビンから繰り出される多数の
ロービング繊維であって、このロービング繊維１０とし
ては、ガラス繊維をはじめ、カーボン繊維、アルミナ繊
維、アラミド繊維等からなるロービング繊維が用いられ
る。多数のロービング繊維１０はロール部２０で長手方
向に配列され、第一のピンチロール３１に通された後含
浸槽３０に通され、そこで合成樹脂液３２が含浸される
。上記第一のピンチロール３１は含浸槽３０の中に設け
られている。In FIG. 1, 10 is a large number of roving fibers fed out from a bobbin. As the roving fibers 10, roving fibers made of glass fiber, carbon fiber, alumina fiber, aramid fiber, etc. are used. A large number of roving fibers 10 are arranged in the longitudinal direction in the roll section 20, passed through a first pinch roll 31, and then passed through an impregnation tank 30, where they are impregnated with a synthetic resin liquid 32. The first pinch roll 31 is provided in the impregnating tank 30.
合成樹脂液３２としては、不飽和ポリエステル樹脂、ジ
アリルフタレート樹脂、エポキシ樹脂等の熱硬化性又は
光硬化性樹脂溶液、或いはアクリル樹脂、塩化ビニル樹
脂、アクリル−酢酸ビニル共重合樹脂、酢酸ヒニルー塩
化ヒニル共重合樹脂などの熱可塑性樹脂溶液又は水性エ
マルシヨンが用いられる。また、熱可塑性樹脂粉も使用
することができる。熱可塑性樹脂粉を使用する場合は、
流動床を用いて樹脂粉を流動状態にして含浸するのが好
ましい。The synthetic resin liquid 32 may be a thermosetting or photocurable resin solution such as unsaturated polyester resin, diallyl phthalate resin, or epoxy resin, or acrylic resin, vinyl chloride resin, acrylic-vinyl acetate copolymer resin, or hinyl acetate-hinyl chloride. Thermoplastic resin solutions such as copolymer resins or aqueous emulsions are used. Thermoplastic resin powder can also be used. When using thermoplastic resin powder,
It is preferable to impregnate the resin powder in a fluidized state using a fluidized bed.
上記のロービング繊維１０は、合成樹脂３２に対して、
一般に６０容量％以下の範囲で含有されるように使用す
るのが好ましい、ロービング繊維が、合成樹脂に対して
６０容量％を越えると、耐衝撃性の改善効果が小さくな
る。The above-mentioned roving fiber 10 has the following characteristics for the synthetic resin 32:
Generally, it is preferable to use the roving fiber in a content of 60% by volume or less, but if the content of the roving fiber exceeds 60% by volume based on the synthetic resin, the effect of improving impact resistance will be reduced.
合成樹脂液３２又は粉が含浸された多数のロービング繊
維１０は、含浸槽３０の中に設けられた第二のピンチロ
ール３３に通される。この際、第一のピンチロール３１
と第二のピンチロール３３の周速度は同じ周速度に設定
され、その間にある多数のロービング繊維１０を弛ませ
ることにより、多数のロービング繊維１０が弛緩状態に
保持される。A large number of roving fibers 10 impregnated with synthetic resin liquid 32 or powder are passed through a second pinch roll 33 provided in an impregnating tank 30 . At this time, the first pinch roll 31
The circumferential speeds of the first and second pinch rolls 33 are set to the same circumferential speed, and by loosening the large number of roving fibers 10 between them, the large number of roving fibers 10 are held in a relaxed state.
第一のピンチロール３１と第二のピンチロール３３の間
において、仮に緊張状態にあるロービング繊維１０の長
さ（第一のピンチロール３１と第二のピンチロール３３
との間の距離に等しい。）を３０とし、弛緩状態にある
ロービング繊維１１の長さをＳＩとして、弛緩率（％）
＝（ＳＩ Ｓｏ） ／ Ｓ。Between the first pinch roll 31 and the second pinch roll 33, the length of the roving fiber 10 in the tensioned state (the length of the roving fiber 10 between the first pinch roll 31 and the second pinch roll 33)
is equal to the distance between ) is 30, the length of the roving fiber 11 in the relaxed state is SI, and the relaxation rate (%)
=(SI So)/S.
×１００で表した場合、この弛緩率が一般に２〜１０％
程度になるように条件を設定するのが好ましい。When expressed as ×100, this relaxation rate is generally 2 to 10%.
It is preferable to set the conditions so that the
弛緩状態に保持された多数のロービング繊維１１は、含
浸槽３０の中で表面に多数の突起４１を有する打繊器具
４０で叩打される。打繊器具４０が図のように板状の場
合は、この板状の打繊器具４０は、上下に所定のストロ
ークで往復移動して多数のロービング繊維１１が叩打さ
れる。打繊器具４０は回転ロール状であってもよい。打
繊器具４０が回転ロール状の場合は、回転力により多数
のロービング繊維１１が叩打される。また、打繊器具４
０の表面に設けられている多数の突起４１は、図のよう
に多数のブラシのほか、針状物を植設したもの、或いは
多数の凹凸が形成されたものでもよい。A large number of roving fibers 11 held in a relaxed state are beaten in an impregnating bath 30 with a beating device 40 having a large number of protrusions 41 on the surface. When the beating device 40 is plate-shaped as shown in the figure, the plate-shaped beating device 40 reciprocates up and down with a predetermined stroke to beat a large number of roving fibers 11. The beating device 40 may be in the form of a rotating roll. When the beating device 40 is in the form of a rotating roll, a large number of roving fibers 11 are beaten by the rotational force. In addition, the batting equipment 4
The large number of protrusions 41 provided on the surface of 0 may be a large number of brushes as shown in the figure, a needle-shaped object implanted therein, or a large number of unevenness formed therein.
多数のロービング繊維１１は打繊器具４０で叩打されな
がら、これに合成樹脂液３２又は粉が充分に含浸される
。このようにして合成樹脂液３２又は粉が含浸された多
数のロービング繊維１１は第二のピンチロール３３を経
た後、一対のクリアランスロール５０で押圧されて厚み
が調整される。While a large number of roving fibers 11 are being beaten with a beating device 40, they are sufficiently impregnated with the synthetic resin liquid 32 or powder. A large number of roving fibers 11 impregnated with the synthetic resin liquid 32 or powder in this manner pass through the second pinch rolls 33, and then are pressed by a pair of clearance rolls 50 to adjust the thickness.
以後は従来方法と同様に成形される。例えば、乾燥室６
０に通され、そこで多数のロービング繊維１１に含浸さ
れた合成樹脂液３２が、乾燥、熱硬化、光硬化、或いは
加熱溶融後に冷却固化される。そして、図のように一対
の引取ロール７０で引き取られ、プリプレグ成形体１２
に成形されたり、或いは完全硬化又は完全固化の成形体
に成形される。Thereafter, molding is performed in the same manner as the conventional method. For example, drying room 6
The synthetic resin liquid 32 impregnated into a large number of roving fibers 11 is dried, thermally cured, photocured, or heated and melted, and then cooled and solidified. Then, as shown in the figure, the prepreg molded body 12 is taken up by a pair of take-up rolls 70.
or molded into a completely cured or completely solidified molded body.
また、これらの成形体に、不飽和ポリエステルのような
熱硬化性樹脂、或いは塩化ビニル樹脂のような熱可塑性
樹脂を被覆又は積層して複合成形体とすることもできる
。Moreover, these molded bodies can be coated or laminated with a thermosetting resin such as unsaturated polyester or a thermoplastic resin such as vinyl chloride resin to form a composite molded body.
（作用）
本発明方法のように、多数のロービング繊維を弛緩状態
に保持し、この多数のロービング繊維を表面に多数の突
起を有する打繊器具で叩打しながら、これに合成樹脂液
又は粉を含浸させ、これを成形すると、ロービング繊維
が打繊器具の表面の突起により部分的に切断され、この
部分的に切断された繊維が隣接する弛緩状態のロービン
グ繊維に絡みついて橋架は状態となり、この状態で合成
樹脂液又は粉が含浸され、それにより長手方向に配列し
たロービング繊維の集合体が配列方向と直角方向にも補
強される。(Function) As in the method of the present invention, a large number of roving fibers are held in a relaxed state, and a synthetic resin liquid or powder is applied to the large number of roving fibers while being beaten with a beating device having a large number of protrusions on the surface. When impregnated and shaped, the roving fibers are partially cut by the protrusions on the surface of the batting device, and the partially cut fibers become entangled with the adjacent relaxed roving fibers, forming a bridge. In this state, the synthetic resin liquid or powder is impregnated, thereby reinforcing the aggregate of roving fibers arranged in the longitudinal direction also in the direction perpendicular to the arrangement direction.
しかも、多数のロービング繊維が弛緩状態で上記の打繊
器具で叩打されると、ロービング繊維は波型のほぐれた
状態となり、ロービング繊維に合成樹脂液又は粉が均−
且つ充分に含浸される。Moreover, when a large number of roving fibers are beaten in a relaxed state with the above-mentioned beating device, the roving fibers become wavy and unraveled, and the synthetic resin liquid or powder is uniformly spread on the roving fibers.
And it is fully impregnated.
（実施例） 以下、本発明の実施例及び比較例を示す。(Example) Examples and comparative examples of the present invention are shown below.
ス１更
本実施例では、第１図に示す方法で、繊維強化合成樹脂
成形体を製造した。Step 1: In this example, a fiber-reinforced synthetic resin molded article was manufactured by the method shown in FIG.
先ず、長手方向に２０本配列させたガラスロービング繊
維（＃４４００： 日東紡製）１０に、光硬化剤（イル
ガキュアー＃６５１：日本チバガイギー製）を２重量部
添加した不飽和ポリエステル樹脂液（＃７５１０ ：日
本ユピカ製）３２を含浸槽で含浸させた。上記樹脂液の
含浸は、第一ピンチロール３１及び第二のピンチロール
３３の周速度を１．５ ｍ／分、弛緩率を６％とし、樹
脂液の温度を８ｏ″Ｃとした。打繊器具４０は多数のブ
ラシ４１を有する板状体からなり、これを一定のストロ
ークで上下に移動させ、ガラスロービング繊維１１にか
がる張力を最大０．２ ｋｇ／ ＣＩとし、１分間に３
０回叩打した。First, an unsaturated polyester resin liquid (#) was prepared by adding 2 parts by weight of a photocuring agent (Irgacure #651: Nippon Ciba Geigy) to 10 glass roving fibers (#4400: Nittobo Co., Ltd.) arranged in 20 pieces in the longitudinal direction. 7510: manufactured by U-Pica Japan) 32 was impregnated in an impregnating tank. For impregnation with the resin liquid, the circumferential speed of the first pinch roll 31 and the second pinch roll 33 was 1.5 m/min, the relaxation rate was 6%, and the temperature of the resin liquid was 8o''C. The device 40 consists of a plate-like body having a large number of brushes 41, which are moved up and down with a constant stroke, so that the maximum tension applied to the glass roving fibers 11 is 0.2 kg/CI, and the brushes are moved at a rate of 3 per minute.
Hit 0 times.
次いで、間隙０．５ ｍｒｔｔに設定したクリアランス
ロール５０を通し、乾燥室６０において高圧水銀ランプ
で１０１００Ｏ／ｃｆｆｌの紫外線を照射して、厚さ０
．５鵬、ガラスロービング繊維の含有量６０容量％のプ
リプレグ成形体１２を製造した。さらに、このプリプレ
グ成形体１２の両面にホットメルト接着剤（タケメルト
ＸＭ２２３ ：武田薬品製）を１７０″Ｃで３０μの厚
さに塗布し、その外側両面に厚さ０゜５ｍｍの塩化ビニ
ル樹脂シートを温度１８０°Ｃ１圧カフ０ｋｇ／ ｃ＋
ｆｌで２分間加熱圧着して複合成形体を製造した。Next, the film is passed through clearance rolls 50 set at a gap of 0.5 mrtt, and irradiated with ultraviolet rays of 10,100 O/cffl using a high-pressure mercury lamp in a drying chamber 60 to reduce the thickness to 0.
．． 5, a prepreg molded body 12 containing 60% by volume of glass roving fibers was manufactured. Furthermore, hot melt adhesive (Takemelt Temperature 180°C 1 pressure cuff 0kg/c+
A composite molded body was manufactured by heat-pressing the composite molded body with fl for 2 minutes.
この複合成形体を２０１１１ｍ×２抛ｍに切断して試験
片を作成し、この試験片にデュポン衝撃試験機（落錘１
．５ ｋｇ、溝径６ｍｍ）を用いて錘を落下させ、試験
片が破損する落下距離から衝撃強度を測定した。その結
果、衝撃強度は８０ｋｇ −ｃｍであった。This composite molded body was cut into 20111 m x 2 mm to create a test piece, and this test piece was tested using a DuPont impact tester (dropping weight 1
．． 5 kg, groove diameter 6 mm), a weight was dropped, and the impact strength was measured from the falling distance at which the test piece was damaged. As a result, the impact strength was 80 kg-cm.
１煎１
上記実施例において、ガラスロービング繊維１１を打繊
器具４０で叩打せず、またガラスロービング繊維１１を
緊張状態に保持し、それにかかる張力を０．５ ｋｇ／
ｃｍとしたこと以外は、実施例と同様に行った。得ら
れた複合成形体の衝撃強度は４０ｋｇ −ｃｍであった
。1 Frying 1 In the above example, the glass roving fibers 11 were not beaten with the beating device 40, and the glass roving fibers 11 were kept in tension, and the tension applied thereto was 0.5 kg/
The same procedure as in the example was carried out except that the measurement was performed in cm. The impact strength of the resulting composite molded article was 40 kg-cm.
（発明の効果）
上述の通り、本発明方法は、多数のロービング繊維を弛
緩状態に保持し、この多数のロービング繊維を表面に多
数の突起を有する打繊器具で叩打しながら、これに合成
樹脂液又は粉を含浸させ、これを成形するものであり、
それにより多数のロービング繊維の集合体が配列方向と
直角方向にも補強され、しかも多数のロービング繊維に
合成樹脂液又は粉が均−且つ充分に含浸される。その結
果、耐衝撃性が充分に改善され、耐久性に優れた繊維強
化合成樹脂成形体を製造することができる。(Effects of the Invention) As described above, the method of the present invention maintains a large number of roving fibers in a relaxed state, and while beating the large number of roving fibers with a beating device having a large number of protrusions on the surface, a synthetic resin is applied to the roving fibers. It is impregnated with liquid or powder and molded,
As a result, the aggregate of a large number of roving fibers is reinforced also in the direction perpendicular to the arrangement direction, and moreover, the large number of roving fibers are uniformly and sufficiently impregnated with the synthetic resin liquid or powder. As a result, a fiber-reinforced synthetic resin molded article with sufficiently improved impact resistance and excellent durability can be produced.
第１図は本発明方法の一例を示す説明図である。
１０・・・ロービング繊維、１１・・・樹脂含浸ロービ
ング繊維、１２・・・プリプレグ成形体、３ｏ・・・含
浸槽、３１・・・第一のピンチロール、３２・・・合成
樹脂液、３３・・・第二のピンチロール、４ｏ・・・打
繊器具、４１・・・多数の突起、６０・・・乾燥室。FIG. 1 is an explanatory diagram showing an example of the method of the present invention. DESCRIPTION OF SYMBOLS 10... Roving fiber, 11... Resin-impregnated roving fiber, 12... Prepreg molded body, 3o... Impregnation tank, 31... First pinch roll, 32... Synthetic resin liquid, 33 . . . second pinch roll, 4o . . . batting device, 41 .
Claims (1)
数のロービング繊維を表面に多数の突起を有する打繊器
具で叩打しながら、これに合成樹脂液又は粉を含浸させ
、これを成形することを特徴とする繊維強化合成樹脂成
形体の製造方法。1. Holding a large number of roving fibers in a relaxed state, impregnating the large number of roving fibers with a synthetic resin liquid or powder while beating the large number of roving fibers with a beating device having a large number of protrusions on the surface, and shaping the fibers. A method for producing a fiber-reinforced synthetic resin molded article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1028296A JPH02206508A (en) | 1989-02-06 | 1989-02-06 | Manufacture of fiber-reinforced synthetic resin molded body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1028296A JPH02206508A (en) | 1989-02-06 | 1989-02-06 | Manufacture of fiber-reinforced synthetic resin molded body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02206508A true JPH02206508A (en) | 1990-08-16 |
Family
ID=12244658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1028296A Pending JPH02206508A (en) | 1989-02-06 | 1989-02-06 | Manufacture of fiber-reinforced synthetic resin molded body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02206508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028995A (en) * | 2011-07-29 | 2013-02-07 | Dongguan Meijer Plastic Products Co Ltd | New environmental protection-type floor material and method for producing the same |
-
1989
- 1989-02-06 JP JP1028296A patent/JPH02206508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028995A (en) * | 2011-07-29 | 2013-02-07 | Dongguan Meijer Plastic Products Co Ltd | New environmental protection-type floor material and method for producing the same |
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