JPH04197726A - Manufacture of long fiber reinforced composite material - Google Patents
Manufacture of long fiber reinforced composite materialInfo
- Publication number
- JPH04197726A JPH04197726A JP2331655A JP33165590A JPH04197726A JP H04197726 A JPH04197726 A JP H04197726A JP 2331655 A JP2331655 A JP 2331655A JP 33165590 A JP33165590 A JP 33165590A JP H04197726 A JPH04197726 A JP H04197726A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- die section
- molten
- die
- impregnating
- 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
- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000003733 fiber-reinforced composite Substances 0.000 title claims description 11
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims description 10
- 230000000717 retained effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 229920001778 nylon Polymers 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 abstract description 4
- 229920006231 aramid fiber Polymers 0.000 abstract description 2
- 229920002302 Nylon 6,6 Polymers 0.000 abstract 2
- 238000005470 impregnation Methods 0.000 description 17
- 238000001125 extrusion Methods 0.000 description 7
- 239000008188 pellet Substances 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 239000012778 molding material Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Moulding By Coating Moulds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
本発明は、熱可塑性樹脂中に長繊維を内蔵する長繊維強
化複合材の連続的な製造方法に関するものである。The present invention relates to a continuous method for manufacturing a long fiber reinforced composite material containing long fibers in a thermoplastic resin.
繊維強化樹脂製の成形体を射出成形などで成形する場合
には、予め樹脂中に繊維が混合されたものを用いるのが
便利である。このような成形材料、として、例えばガラ
ス繊維のチョツプドストランドなどを熱可塑性樹脂と所
定比率で混合して押し出し成形機に供給し、押し出し成
形後所定長さに切断してベレットとしたものが知られて
いる。しかしながらこのような成形材料では、押し出し
時に繊維が破損してベレット中に含まれる繊維長がさら
に短（なる。周知のように繊維強化樹脂中の繊維を短繊
維よりも長繊維にすることによって、成形体の機械的強
度や剛性が大きく向上するので、上記成形材料では成形
体の物性の向上が望めない。
そこで特公昭５２−１０１４０号公報には、熱可塑性樹
脂の溶融樹脂中に連続した長繊維を供給して同時に押し
出し、それを切断してベレットとする製造方法が開示さ
れている。この製造方法では、溶融樹脂が加圧注入され
ているダイ内を複数条の繊維束がまとめられて通過する
際に、繊維束の間隙に溶融樹脂が含浸される。これをダ
イから引き取って冷却し、切断して得たベレットを長繊
維強化複合材として使用する。When molding a fiber-reinforced resin molded article by injection molding or the like, it is convenient to use a resin in which fibers are mixed in advance. Examples of such molding materials include chopped strands of glass fiber mixed with thermoplastic resin at a predetermined ratio, fed to an extrusion molding machine, and then cut into predetermined lengths to form pellets after extrusion molding. Are known. However, in such molding materials, the fibers are damaged during extrusion, resulting in the length of the fibers contained in the pellet becoming even shorter.As is well known, by making the fibers in the fiber-reinforced resin longer than short fibers, Since the mechanical strength and rigidity of the molded body are greatly improved, the above-mentioned molding materials cannot be expected to improve the physical properties of the molded body.Therefore, Japanese Patent Publication No. 10140/1983 discloses that continuous lengths of thermoplastic resin are added to the molten resin. A manufacturing method is disclosed in which fibers are fed, extruded simultaneously, and cut into pellets. In this manufacturing method, multiple fiber bundles are assembled in a die into which molten resin is injected under pressure. As the fiber bundle passes through, the gaps between the fiber bundles are impregnated with molten resin.This is taken out from the die, cooled, and cut into pellets, which are used as a long fiber reinforced composite material.
ところで溶融樹脂が含浸した長繊維束の切断時には、溶
融樹脂が固化していることが必要である。
軟化状態であるとベレタイザによる切断が困難となるか
らである。そこで従来はダイから出た後空冷しているが
、固化までの時間が長くダイからベレタイザまでの距離
が長′く必要となって、ラインスペース面での不具合が
あった。また冷却中に樹脂表面が酸化して着色する場合
もある。
そこでダイから出た含浸長繊維を水中に導入して水冷す
ることが考えられる。しかじ含浸樹脂がナイロンなどの
場合には、吸水率が高いために、冷却後乾燥工程が必要
となって水冷による工程短縮の効果が相殺されてしまう
。
本発明はこのような事情に鑑みてなされたものであり、
工程数の増大なく冷却時間を短縮することを目的とする
。By the way, when cutting a long fiber bundle impregnated with molten resin, it is necessary that the molten resin is solidified. This is because in a softened state, it becomes difficult to cut with a beletizer. Conventionally, the material is air-cooled after it comes out of the die, but it takes a long time to solidify and requires a long distance from the die to the beletizer, which causes problems in terms of line space. Furthermore, the resin surface may be oxidized and colored during cooling. Therefore, it is possible to introduce the impregnated long fibers produced from the die into water and cool them with water. If the impregnated resin is nylon or the like, it has a high water absorption rate, so a drying step is required after cooling, which cancels out the process shortening effect of water cooling. The present invention was made in view of these circumstances, and
The purpose is to shorten the cooling time without increasing the number of steps.
上記課題を解決する本発明の長繊維強化複合材の製造方
法は、押出機から押し出された熱可塑性樹脂の溶融樹脂
が滞留しているダイの内部に長繊維束を導入し、溶融樹
脂を長繊維束に含浸させダイの外部に引き出して長繊維
強化複合材を製造する方法において、
ダイは溶融樹脂の溶融状態を維持する含浸ダイ部と、溶
融樹脂の融点以下に冷却された冷却ダイ部とからなり、
含浸ダイ部で長繊維束に含浸した溶融樹脂を冷却ダイ部
で冷却固化させることを特徴とする。
熱可塑性樹脂としては、ポリオレフィン、ポリアミド、
ポリエステル、ポリフェニレンサルファイド、ポリアセ
タールなどの熱可塑性樹脂を従来と同様に用いることが
できる。
長繊維束としては、ガラス繊維、芳香族ポリアミド繊維
、炭素繊維、ボロン繊維などの従来公知の長繊維のロー
ビングを用いることができる。
上記熱可塑性樹脂は押出機から押し出されて溶融状態で
ダイに供給される。またダイには同時に上記長繊維束が
供給され、ダイ内で溶融樹脂が含浸される。
本発明の特色をなすダイは、含浸ダイ部と冷却ダイ部と
から構成される。含浸ダイ部は溶融樹脂の溶融状態を維
持し、通常は用いた熱可塑性樹脂の融点以上に加熱され
ている。また冷却ダイ部は用いた熱可塑性樹脂の融点以
下に冷却されている。
この冷却は水冷、油冷あるいは空冷のいずれでもよいが
、冷却効率の良さ、取扱いの容易さなどから水冷による
のが好ましい。含浸ダイ部と冷却ダイ部とは、直接的に
接していてもよいが、含浸ダイ部の熱損失及び冷却ダイ
部の冷却効率を考慮すると断熱材を介して接するように
構成することが望ましい。
冷却ダイ部で冷却固化した長繊維強化複合材は、ペレタ
イザなどで所定長さに切断されてペレットとされ、成形
材料として用いられる。The method for manufacturing a long fiber reinforced composite material of the present invention that solves the above problems involves introducing a long fiber bundle into a die in which the molten thermoplastic resin extruded from an extruder remains, and then elongating the molten resin. In the method of manufacturing a long fiber reinforced composite material by impregnating a fiber bundle and drawing it out of a die, the die has an impregnation die section that maintains the molten state of the molten resin, and a cooling die section that is cooled to below the melting point of the molten resin. Consisting of
It is characterized in that the molten resin impregnated into the long fiber bundle in the impregnation die section is cooled and solidified in the cooling die section. Thermoplastic resins include polyolefin, polyamide,
Thermoplastic resins such as polyester, polyphenylene sulfide, and polyacetal can be used in the same manner as in the past. As the long fiber bundle, conventionally known long fiber rovings such as glass fibers, aromatic polyamide fibers, carbon fibers, and boron fibers can be used. The thermoplastic resin is extruded from an extruder and supplied to a die in a molten state. Further, the long fiber bundle is simultaneously supplied to the die and impregnated with molten resin within the die. The die that characterizes the present invention is comprised of an impregnating die section and a cooling die section. The impregnation die maintains the molten state of the molten resin and is usually heated to a temperature higher than the melting point of the thermoplastic resin used. Further, the cooling die portion is cooled to a temperature below the melting point of the thermoplastic resin used. This cooling may be done by water cooling, oil cooling, or air cooling, but water cooling is preferred because of its good cooling efficiency and ease of handling. The impregnation die section and the cooling die section may be in direct contact with each other, but in consideration of the heat loss of the impregnation die section and the cooling efficiency of the cooling die section, it is desirable to configure them so that they are in contact with each other via a heat insulating material. The long fiber reinforced composite material cooled and solidified in the cooling die section is cut into predetermined lengths using a pelletizer or the like to form pellets, which are used as a molding material.
本発明の長繊維強化複合材の製造方法では、含浸ダイ部
内で長繊維束に溶融樹脂が含浸され、次いで冷却ダイ部
内で冷却される。ここで含浸ダイ部と冷却ダイ部との温
度差を大きくすることにより、従来の空冷に比べて冷却
に要する時間を短縮することができる。またダイ内での
冷却であるので、空気と接触する確率が低減し樹脂の酸
化が防止される。なお、冷却時には樹脂の粘度が上昇す
るので引き取り時の抵抗が増大するが、本発明では長繊
維に引っ張りの力が作用するため、長繊維が耐えられる
範囲の大きな力で引き取ることができ、抵抗の増大に余
裕をもって対処することができる。
すなわち本発明の製造方法によれば、冷却時間が短縮さ
れるためラインスペースを縮小することができる。また
樹脂の酸化が防止でき外観も向上する。さらに長繊維強
化複合材の吸水もないので、乾燥工程を設ける必要もな
い。In the method for manufacturing a long fiber reinforced composite material of the present invention, a long fiber bundle is impregnated with a molten resin in an impregnating die section, and then cooled in a cooling die section. By increasing the temperature difference between the impregnation die section and the cooling die section, the time required for cooling can be shortened compared to conventional air cooling. Furthermore, since the cooling is performed within the die, the probability of contact with air is reduced and oxidation of the resin is prevented. Note that when the resin is cooled, the viscosity of the resin increases, which increases the resistance during pulling. However, in the present invention, since a tensile force acts on the long fibers, the long fibers can be pulled with as large a force as they can withstand. It is possible to cope with the increase in the number of people with ease. That is, according to the manufacturing method of the present invention, the cooling time is shortened, so that the line space can be reduced. In addition, oxidation of the resin can be prevented and the appearance can be improved. Furthermore, since the long fiber reinforced composite material does not absorb water, there is no need to provide a drying process.
以下、実施例により具体的に説明する。
第１図に本実施例で用いた製造装置を示す。第１図には
プラスチック押出機の押し出し口部分が図示されている
。
押出機１（本体の図示省略）の押し出し口部分には含浸
ダイ部２が連結されている。含浸ダイ部２は押出機１の
押し出し方向に直交する方向に延びる含浸通路２０をも
ち、含浸通路２ｏの一端には導入金具３が固定されてい
る。また含浸通路２０の他端側には、中心に含浸通路２
ｏと連通ずる引き取り通路２１をもつ凸部２２が形成さ
れ、断熱材４を介して冷却ダイ部５がボルト５ｏで凸部
２２を被覆して固定されている。この含浸ダイ部２には
ヒータ２３が埋設され、加熱可能に構成されている。
導入金具３は含浸ダイ部２に固定される板状のフランジ
部３０と、フランジ部３ｏがら突出する軸部３１とから
なり、フランジ部３ｏから軸部３１に向かい含浸通路２
ｏの軸方向に平行に延びる複数の貫通孔３２が形成され
ている。そして図示しない供給装置から貫通孔３２に長
繊維束が供給される。
断熱材４はアスベスト板から中心孔をもつ円板状に形成
され、厚さは１０ｍｍである。
冷却ダイ部５は、含浸ダイ部２に向かう地面から軸方向
に延び凸部２２が嵌合する凹部５１をもち、凹部５１の
底から軸方向に延び引き取り通路２１と同軸の第２引き
取り通路５２が他端面まで賞通している。この冷却ダイ
部５には冷却水通路５３が埋設され、冷却水通路５３を
流れる水で冷却可能に構成されている。そして第２引き
取り通路５２から出た含浸長繊維束は、直ちに図示しな
い引き取り装置で引き取られ、図示しないベレタイザで
直ちに所定長に切断されてベレットとされる。
さて、上記のように構成された装置を用い、以下のよう
に長繊維強化複合材を製造した。
まずアラミド繊維のロービング６が導入金具の貫通孔３
２からそれぞれ導入され、軸部３１から出た後含浸通路
２０、引き取り通路２１、第２引き取り通路５２を通じ
て冷却ダイ部５から出て、図示しない引き取り装置で直
ちに引き取られる。
またこれと同時に溶融した６、６ナイロンを含浸ダイ部
２に供給する。
ここで、押出機１の押し出し条件は、スクリュー回転数
９５〜１１０５ｒｐ、フィーダー回転数２０ ｒ ｐｍ
、シリンダ温度２７０〜２９０ ’Ｃで行った。また引
き取り速度は５ｍ／ｍｉｎ、である。
そして含浸ダイ部２はヒータ２３で加熱され、冷却ダイ
部５は冷却水通路に室温の水が供給されて冷却されてい
る。この時の含浸ダイ部２の温度は、含浸通路２０に沿
う部分が３００〜３１０’Ｃの範囲にあり、凸部２２は
２６０〜１２０ ”Ｃの範囲にあった。また冷却ダイ部
５の温度は、全体が約６０℃であった。
上記の条件でロービング６に溶融した６、６ナイロンを
含浸させ、引き取り装置で引き取ってベレタイザで切断
した。この時、ロービング６に含浸した６、６ナイロン
は既に冷却固化し、確実に引き取られるとともに容易に
切断することができた。また溶融時に空気との接触がな
いため、含浸した６、６ナイロンの酸化が防止され良好
な外観を示していた。さらに水との接触もないため、水
分の吸収もなく、乾燥工程を行う必要もない。したがっ
て従来の製造方法に比べて製造に要する時間が短縮でき
、ラインスペースも縮小された。
なお、本実施例では、含浸ダイ部２に凸部２２を設けて
断熱材４から突出させ冷却ダイ部５と直接的に接触させ
ているので、凸部２２には含浸通路２０側から冷却ダイ
部５に向かうにつれて温度が下降する温度分布が生じる
。したがって引き取り通路２１を通過する材料は徐々に
冷却されるので、急冷による内部応力の発生が防止され
、引き取り後の変形や割れなどの不具合が防止されてい
る。Hereinafter, this will be explained in detail using examples. FIG. 1 shows the manufacturing equipment used in this example. FIG. 1 shows the extrusion opening of a plastic extruder. An impregnating die portion 2 is connected to an extrusion opening portion of an extruder 1 (main body not shown). The impregnation die section 2 has an impregnation passage 20 extending in a direction perpendicular to the extrusion direction of the extruder 1, and an introduction fitting 3 is fixed to one end of the impregnation passage 2o. Further, on the other end side of the impregnation passage 20, there is an impregnation passage 2 in the center.
A convex portion 22 having a take-up passage 21 communicating with the convex portion 21 is formed, and a cooling die portion 5 is fixed by covering the convex portion 22 with a bolt 5o via a heat insulating material 4. A heater 23 is embedded in this impregnation die part 2 and is configured to be able to heat. The introduction fitting 3 consists of a plate-shaped flange part 30 fixed to the impregnation die part 2 and a shaft part 31 that protrudes from the flange part 3o.
A plurality of through holes 32 are formed extending parallel to the axial direction of the o. Then, the long fiber bundle is supplied to the through hole 32 from a supply device (not shown). The heat insulating material 4 is formed from an asbestos plate into a disk shape with a central hole, and has a thickness of 10 mm. The cooling die section 5 has a recess 51 that extends axially from the ground toward the impregnating die section 2 and into which the convex section 22 fits, and a second take-up passage 52 that extends axially from the bottom of the recess 51 and is coaxial with the take-off passage 21 . is passed through to the other end. A cooling water passage 53 is embedded in this cooling die part 5, and is configured to be able to be cooled by water flowing through the cooling water passage 53. The impregnated long fiber bundle coming out of the second take-up passage 52 is immediately taken up by a take-up device (not shown), and immediately cut into a predetermined length by a beletizer (not shown) to form a pellet. Now, using the apparatus configured as described above, a long fiber reinforced composite material was manufactured as follows. First, the aramid fiber roving 6 is inserted into the through hole 3 of the introduction fitting.
After exiting from the shaft portion 31, they exit from the cooling die portion 5 through the impregnating passage 20, the taking-off passage 21, and the second taking-off passage 52, and are immediately taken up by a taking-off device (not shown). At the same time, molten 6,6 nylon is supplied to the impregnation die section 2. Here, the extrusion conditions of the extruder 1 are a screw rotation speed of 95 to 1105 rpm and a feeder rotation speed of 20 rpm.
, at a cylinder temperature of 270-290'C. Moreover, the take-up speed is 5 m/min. The impregnation die section 2 is heated by the heater 23, and the cooling die section 5 is cooled by supplying room temperature water to the cooling water passage. At this time, the temperature of the impregnating die part 2 was in the range of 300 to 310'C in the part along the impregnating passage 20, and in the range of 260 to 120'C in the convex part 22. The temperature of the entire roving 6 was approximately 60° C. Under the above conditions, the roving 6 was impregnated with molten 6,6 nylon, taken out by a take-up device, and cut with a beretizer.At this time, the 6,6 nylon impregnated into the roving had already cooled and solidified and could be reliably taken off and easily cut.Also, since there was no contact with air during melting, oxidation of the impregnated 6,6 nylon was prevented and it had a good appearance. Furthermore, since there is no contact with water, there is no absorption of moisture, and there is no need for a drying process.Therefore, compared to conventional manufacturing methods, the time required for manufacturing can be shortened and the line space has also been reduced. In the example, the impregnation die part 2 is provided with a convex part 22 that protrudes from the heat insulating material 4 and is brought into direct contact with the cooling die part 5. A temperature distribution is created in which the temperature decreases as the material passes through the take-up passage 21. Therefore, the material passing through the take-up passage 21 is gradually cooled, preventing the generation of internal stress due to rapid cooling, and preventing defects such as deformation and cracking after being taken off. .
第１図は本発明の一実施例に用いたダイの断面図である
。
１：押出機 ２：含浸ダイ部
３：導入金具 ４：断熱材
５：冷却ダイ部 ６：ロービングFIG. 1 is a sectional view of a die used in an embodiment of the present invention. 1: Extruder 2: Impregnation die section 3: Introductory fitting 4: Heat insulating material 5: Cooling die section 6: Roving
Claims (1)
が滞留しているダイの内部に長繊維束を導入し、該溶融
樹脂を該長繊維束に含浸させ該ダイの外部に引き出して
長繊維強化複合材を製造する方法において、 前記ダイは前記溶融樹脂の溶融状態を維持する含浸ダイ
部と、前記溶融樹脂の融点以下に冷却された冷却ダイ部
とからなり、該含浸ダイ部で前記長繊維束に含浸した前
記溶融樹脂を該冷却ダイ部で冷却固化させることを特徴
とする長繊維強化複合材の製造方法。(1) A long fiber bundle is introduced into the inside of a die where the molten thermoplastic resin extruded from the extruder is retained, the long fiber bundle is impregnated with the molten resin, and the long fiber bundle is drawn out of the die and lengthened. In the method for manufacturing a fiber reinforced composite material, the die includes an impregnating die section that maintains the molten state of the molten resin, and a cooling die section that is cooled to a temperature below the melting point of the molten resin, and the impregnating die section maintains the molten state of the molten resin. A method for producing a long fiber reinforced composite material, characterized in that the molten resin impregnated into a long fiber bundle is cooled and solidified in the cooling die section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331655A JPH04197726A (en) | 1990-11-29 | 1990-11-29 | Manufacture of long fiber reinforced composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331655A JPH04197726A (en) | 1990-11-29 | 1990-11-29 | Manufacture of long fiber reinforced composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04197726A true JPH04197726A (en) | 1992-07-17 |
Family
ID=18246099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2331655A Pending JPH04197726A (en) | 1990-11-29 | 1990-11-29 | Manufacture of long fiber reinforced composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04197726A (en) |
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|---|---|---|---|---|
| CN103619565A (en) * | 2011-05-10 | 2014-03-05 | 赢创罗姆有限公司 | Multicoloured fused deposition modelling print |
| EP2781342A1 (en) * | 2013-03-19 | 2014-09-24 | Eads UK Limited | Extrusion-based additive manufacturing |
| WO2015028809A1 (en) * | 2013-08-29 | 2015-03-05 | The University Of Warwick | Improvements relating to fused deposition modelling |
| WO2016009735A1 (en) * | 2014-07-16 | 2016-01-21 | 株式会社神戸製鋼所 | Manufacturing device and manufacturing method for fiber-reinforced thermoplastic resin tape |
| JP2016083923A (en) * | 2014-07-16 | 2016-05-19 | 株式会社神戸製鋼所 | Apparatus and method for manufacturing fiber-reinforced thermoplastic resin tape |
| WO2016146270A1 (en) * | 2015-03-13 | 2016-09-22 | Vmi Holland B.V. | Extruder and method for extruding cord reinforced tire components |
-
1990
- 1990-11-29 JP JP2331655A patent/JPH04197726A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619565A (en) * | 2011-05-10 | 2014-03-05 | 赢创罗姆有限公司 | Multicoloured fused deposition modelling print |
| EP2781342A1 (en) * | 2013-03-19 | 2014-09-24 | Eads UK Limited | Extrusion-based additive manufacturing |
| US9908145B2 (en) | 2013-03-19 | 2018-03-06 | Airbus Group Limited | Extrusion-based additive manufacturing |
| WO2015028809A1 (en) * | 2013-08-29 | 2015-03-05 | The University Of Warwick | Improvements relating to fused deposition modelling |
| WO2016009735A1 (en) * | 2014-07-16 | 2016-01-21 | 株式会社神戸製鋼所 | Manufacturing device and manufacturing method for fiber-reinforced thermoplastic resin tape |
| JP2016083923A (en) * | 2014-07-16 | 2016-05-19 | 株式会社神戸製鋼所 | Apparatus and method for manufacturing fiber-reinforced thermoplastic resin tape |
| WO2016146270A1 (en) * | 2015-03-13 | 2016-09-22 | Vmi Holland B.V. | Extruder and method for extruding cord reinforced tire components |
| NL2014454B1 (en) * | 2015-03-13 | 2016-10-14 | Vmi Holland Bv | Extruder and method for extruding cord reinforced tire components. |
| KR20170125849A (en) * | 2015-03-13 | 2017-11-15 | 브이엠아이 홀랜드 비.브이. | Extruder and method for extruding cord-reinforced tire components |
| US10814542B2 (en) | 2015-03-13 | 2020-10-27 | Vmi Holland B.V. | Extruder and method for extruding cord reinforced tire components |
| US11420375B2 (en) | 2015-03-13 | 2022-08-23 | Vmi Holland B.V. | Extruder and method for extruding cord reinforced tire components |
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