JPS60174622A - Sandwich molding device - Google Patents

Sandwich molding device

Info

Publication number
JPS60174622A
JPS60174622A JP3076884A JP3076884A JPS60174622A JP S60174622 A JPS60174622 A JP S60174622A JP 3076884 A JP3076884 A JP 3076884A JP 3076884 A JP3076884 A JP 3076884A JP S60174622 A JPS60174622 A JP S60174622A
Authority
JP
Japan
Prior art keywords
molding
molding material
sprue
nozzle
injection unit
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
Application number
JP3076884A
Other languages
Japanese (ja)
Inventor
Hidenori Idate
井立　秀則
Shigeo Iwami
岩見　重夫
Tomiyoshi Okano
岡野　富義
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP3076884A priority Critical patent/JPS60174622A/en
Publication of JPS60174622A publication Critical patent/JPS60174622A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted therefor
    • B29C2045/1609—Multi-way nozzles specially adapted therefor having independent heating or cooling means for each way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1651—Independent injection runners or nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To improve a quality by setting and controlling selectively terms of a molding temperature of each of molding materials, by providing a nozzle and a sprue separately corresponding to an external layer molding material and an internal layer molding material. CONSTITUTION:An external layer material, for example, acrylic resin 30 and an internal layer material, for example, vinyl chloride resin 34 are prepared in a flow path 22 of an injection unit 16 and a flow path 35 of an injection unit 17 respectively under a dwelling state. Then the external layer material 30 is injected within a molding space 12 from a gate 13 and the internal layer material 34 is injected within the molding space 12 from the gate 13 through a sprue 15. With this construction, the external layer molding material 30 and the internal layer molding material 34 are prevented from mixing within the sprue 15. As injection molding is performed by making use of a pair of injection units 16, 17, nozzles 18, 38 can be set at temperature terms corresponding to each of molding temperatures of the molding materials, 30, 34.

Description

【発明の詳細な説明】 技術分野 本発明は、内層と、内層の外周に形成される外層とを射
出成形して成形品を製造するサンドイッチ成形装置に関
する。TECHNICAL FIELD The present invention relates to a sandwich molding apparatus for manufacturing a molded product by injection molding an inner layer and an outer layer formed around the outer periphery of the inner layer.

背景技術 従来からのサンドイッチ成形装置では、第１図に示され
るように２つのシリング１．２によって同種または異種
の内層成形材料および外層成形材料を混合しないように
可塑化してノズル流路３で合流した後、ノズル孔４を介
して金型５．６の成形空間７内に射出充填し、サンドイ
ッチ成形品を得ている。BACKGROUND ART In a conventional sandwich molding apparatus, as shown in FIG. 1, two shillings 1.2 are used to plasticize the same or different types of inner layer molding material and outer layer molding material so as not to mix them, and to merge them in a nozzle flow path 3. After that, the mixture is injected and filled into the molding space 7 of the mold 5.6 through the nozzle hole 4 to obtain a sandwich molded product.

このような先行技術では、１つのノズル８を介して２種
類の成形材料の射出成形を行なうため、ノズル８の温度
を各成形材料の成形温度条件に対応してそれぞれ設定す
ることがで外ない。In such prior art, since two types of molding materials are injection molded through one nozzle 8, it is inevitable that the temperature of the nozzle 8 can be set in accordance with the molding temperature conditions of each molding material. .

そこでたとえばｐｖｃ（塩化ビニル樹脂）を内層成形材
料として用いる場合には、ＰｖＣの非熱安定性に鑑み、
ノズル８の温度をＰＶＣの成形温度に設定する必要があ
り、このためサンドイッチ成形範囲が極めて狭巾となる
。しかもノズル設定温度に起因して成形収縮のアンバラ
ンスが生じ、成形品の品質が低下するという問題が生じ
る。Therefore, for example, when using PVC (vinyl chloride resin) as the inner layer molding material, considering the non-thermal stability of PVC,
It is necessary to set the temperature of the nozzle 8 to the molding temperature of PVC, which makes the sandwich molding range extremely narrow. Moreover, an imbalance in molding shrinkage occurs due to the nozzle set temperature, resulting in a problem that the quality of the molded product deteriorates.

目　的 本発明の目的は、上述の技術的課題を解決し、内層と外
層の成形温度条件を別個に設定、制御できるようにした
サンドイッチ成形装置を提供することである。Purpose An object of the present invention is to solve the above-mentioned technical problems and to provide a sandwich molding apparatus in which molding temperature conditions for the inner layer and the outer layer can be set and controlled separately.

実施例 第２図は、本発明の一実施例の断面図である。Example FIG. 2 is a cross-sectional view of one embodiment of the present invention.

サンドイッチ成形を行なうための第１金型１０と第２金
型１１が設けられ、それらの金型１０゜１１によって成
形空間１２が規定される。成形空間１２は、成形品の形
態に応じて選ばれる。A first mold 10 and a second mold 11 are provided for performing sandwich molding, and a molding space 12 is defined by these molds 10°11. The molding space 12 is selected depending on the form of the molded product.

第１金型１０には成形空間１２に通じるデート１３が形
成されており、デート１３はデート１３を合流点として
相互に離間する方向に延びる２本のスプルー１４．１５
が形成される。スプルー１４．１５のデート１３と反対
側の各端部には一対の射出ユニッ）１６．１７が個別的
に配置される。射出ユニット１６は射出ユニット１７と
同様な構成を有しており、以下射出ユニット１６につい
て説明する。A date 13 communicating with the molding space 12 is formed in the first mold 10, and the date 13 has two sprues 14 and 15 extending in directions that separate from each other with the date 13 as a meeting point.
is formed. A pair of injection units 16, 17 are individually arranged at each end of the sprue 14, 15 opposite the date 13. The injection unit 16 has the same configuration as the injection unit 17, and the injection unit 16 will be described below.

射出ユニット１６は、基本的にはスプルー１４に臨むノ
ズル１８と、ノズル１８のノズル孔１９に連通する成形
材料供給流路２０と、成形材料供給流路２０に成形材料
を供給する供給手段２１とを含む。ノズル１８にはノズ
ル孔１９に連なるノズル流路２２が形成されており、ノ
ズル流路２２は前記スプルー１４と一直線上に配置され
る。ノズル１８はねじ２３によってシリング２４に固定
される。シリング２４には、成形材料供給流路２０が形
成される。成形材料供給流路２０は、ノズル１８のノズ
ル流路２２に連なる円錐面２５と、その円錐面２５の大
径端部から一直線状に延びる直円筒面２６とを含む。こ
の成形材料供給流路２０には、成形材料を供給する供給
手段２１が配置される。供給手段２１は、スクリュ２７
と、スクリュ２７を駆動する駆動手段（図示せず）とを
含む。スクリュ２７は棒状に形成されており、その軸線
方向（第２図の左右方向）に移動可能に配置される。The injection unit 16 basically includes a nozzle 18 facing the sprue 14, a molding material supply passage 20 communicating with the nozzle hole 19 of the nozzle 18, and a supply means 21 for supplying molding material to the molding material supply passage 20. including. A nozzle passage 22 is formed in the nozzle 18 and is connected to the nozzle hole 19, and the nozzle passage 22 is arranged in line with the sprue 14. Nozzle 18 is fixed to sill 24 by screw 23. A molding material supply channel 20 is formed in the sill 24 . The molding material supply channel 20 includes a conical surface 25 connected to the nozzle channel 22 of the nozzle 18, and a right cylindrical surface 26 extending in a straight line from the large diameter end of the conical surface 25. A supply means 21 for supplying molding material is disposed in this molding material supply channel 20 . The supply means 21 includes a screw 27
and a driving means (not shown) for driving the screw 27. The screw 27 is formed into a rod shape and is disposed so as to be movable in its axial direction (horizontal direction in FIG. 2).

スクリュ２７はスクリュ部２８と先端部２９と３− から成り、先端部２９はノズル流路２２にほぼぴったり
と挿入することができるように構成される。第３図（１
）に示されるように、先端部２９はノズル流路２２に挿
入された状態では、先端部２９はノズル孔１９付近まで
延びる。このと軽スクリュ部２８は円錐面２５にほぼぴ
ったりと接触することができる外周面を有する。The screw 27 is composed of a screw portion 28 and a tip portion 29, and the tip portion 29 is configured so that it can be inserted almost exactly into the nozzle flow path 22. Figure 3 (1
), when the tip portion 29 is inserted into the nozzle flow path 22, the tip portion 29 extends to the vicinity of the nozzle hole 19. The light screw portion 28 has an outer circumferential surface that can come into almost snug contact with the conical surface 25.

スクリュ部２８には外ねじが構成されており、このよう
にしていわゆるスクリュインライン形式の射出成形が可
能となる。このようなスクリュ２７を駆動する駆動手段
は、制御回路（図示せず）によって制御される。The screw portion 28 is provided with an external thread, thus making it possible to carry out so-called screw-in-line injection molding. The driving means for driving the screw 27 is controlled by a control circuit (not shown).

サンドイッチ成形するにあたっては射出ユニット１６の
制御回路によってスクリュ２７をその軸線まわりに回転
駆動し、外層成形材料たとえばアクリル系樹脂（ＡＢＳ
　、ＡＡＳ　、ＰＳ　）を可塑化した状態でシリング２
４の成形材料供給流路２０に流入する。次いでスクリュ
２７を第２図の右方に後退変位させて、外層成形材料７
！！３０の必要量だけがノズル流路２２に流入する４− ようにする。他方の射出ユニット１７もまた制御回路に
よってスクリュ３１をその軸線まわりに回転駆動し、内
層成形材料たとえば塩化ビニル樹脂（ｐｖｃ　）を可塑
化した状態でシリング３２の成形材料供給流路３３に流
入し、スクリュ３１をＬ＃＆２図の右方に後退変位させ
て、内層成形材料３４の必要量だけがノズル流路３５に
流入するようにする。こうして射出ユニット１６のノズ
ル流路２２には、外層成形材料としてのアクリル系樹脂
３０が保圧されたままの状態で、また射出ユニット１７
のノズル流路３５には内層成形材料としての塩化ビニル
系樹脂３４が保圧されたままの状態で、それぞれ準備さ
れる。When performing sandwich molding, the control circuit of the injection unit 16 rotates the screw 27 around its axis, and the outer layer molding material, such as acrylic resin (ABS), is
, AAS, PS) in a plasticized state.
It flows into the molding material supply channel 20 of No. 4. Next, the screw 27 is moved backward to the right in FIG. 2, and the outer layer molding material 7 is removed.
! ! 4- such that only the required amount of 30 flows into the nozzle flow path 22. The other injection unit 17 also rotates the screw 31 around its axis by the control circuit, and the inner layer molding material, such as vinyl chloride resin (PVC), flows into the molding material supply channel 33 of the sill 32 in a plasticized state. The screw 31 is moved backward to the right in the L#&2 diagram so that only the necessary amount of the inner layer molding material 34 flows into the nozzle flow path 35. In this way, the acrylic resin 30 as the outer layer molding material remains under pressure in the nozzle channel 22 of the injection unit 16, and the injection unit 17
A vinyl chloride resin 34 as an inner layer molding material is prepared in the nozzle channels 35 while being kept under pressure.

次いで射出ユニット１６のスクリュ２７を油圧ラムなど
を用いて第３図（１）の左方に移動し、外層成形材料３
０をスプルー１４を介してデート１３から金型ｉｏ、１
．ｉの形成空間１２内に射出する。Next, the screw 27 of the injection unit 16 is moved to the left in FIG. 3 (1) using a hydraulic ram or the like, and the outer layer molding material 3 is
0 from date 13 via sprue 14, mold io, 1
．． i is injected into the formation space 12.

次いで射出ユニット１７のスクリュ３１を第３図（１）
の左方に移動し、内層成形材料３４をスプルー１５を介
してゲート１３がら成形空間１２内に射出する。このよ
うに外層成形材料３０に続いて内層成形材料３４もデー
ト１３から成形空間１２内に射出することによって、射
出ユニット１６の射出時にスプルー１５に入り込んだ外
層成形材料３０は、射出ユニット１７の射出時に内層成
形材料３４によって成形空間１２内に押出されるため、
スプルー１５内での外層成形材料３０と内層成形材料３
４の混入を防ぐことができる。Next, tighten the screw 31 of the injection unit 17 as shown in FIG. 3 (1).
The inner layer molding material 34 is injected into the molding space 12 through the gate 13 through the sprue 15. In this way, the inner layer molding material 34 is also injected from the date 13 into the molding space 12 following the outer layer molding material 30, so that the outer layer molding material 30 that has entered the sprue 15 during injection by the injection unit 16 is removed from the injection unit 17. Because it is sometimes extruded into the molding space 12 by the inner layer molding material 34,
Outer layer molding material 30 and inner layer molding material 3 within sprue 15
4 can be prevented from being mixed in.

外層成形材料３０および内層成形材料３４の射出が進む
につれて、第２金型１１を駆動手段３６によっで矢符３
７の方向に向かって第１金型１０側に近接していく。こ
れによって成形空間１２の厚みＨが小さくなって、第３
図（２）に示されるように第１金型１０と第２金型１１
とが当接して成形品が気密に閉込められる。成形品は一
定時間金型内で冷却、固化された後、金型１０，１１外
に取り出される。なお成形品のスプルー１４．　、１５
部分は回収されて再利用に供せられる。As the injection of the outer layer molding material 30 and the inner layer molding material 34 progresses, the second mold 11 is moved by the arrow 3 by the driving means 36.
It approaches the first mold 10 side in the direction of 7. As a result, the thickness H of the molding space 12 becomes smaller, and the third
As shown in Figure (2), the first mold 10 and the second mold 11
The molded product is airtightly enclosed by contact between the molded parts and the molded parts. After the molded product is cooled and solidified within the mold for a certain period of time, it is taken out of the molds 10 and 11. In addition, sprue 14 of the molded product. , 15
Parts will be collected and reused.

このように１対の射出ユニツ）１６．１７を用いて射出
成形することによって、ノズル１８゜３８を外層成形材
料３０および内層成形材料３４、の各成形温度に対応し
た温度条件にそれぞれ設定することがで終る。したがっ
て外層成形材料３０を射出する射出ユニット１７のノズ
ル３８の温度を低く設定することによって、熱安定性に
欠けるＰＶＣなどを内層成形材料として好適に用いるこ
とができる。By performing injection molding using a pair of injection units 16 and 17 in this manner, the nozzles 18° 38 can be set to temperature conditions corresponding to the respective molding temperatures of the outer layer molding material 30 and the inner layer molding material 34. It ends with. Therefore, by setting the temperature of the nozzle 38 of the injection unit 17 that injects the outer layer molding material 30 to be low, PVC or the like which lacks thermal stability can be suitably used as the inner layer molding material.

効　果 以上のように本発明によれば、外層成形材料と内層成形
材料とに対応してノズルおよびスプルーを別個に設ける
ことによって、各成形材料の成形温度条件を選択的に設
定、制御することがで終るのでサンドイッチ成形品の品
質を向上させることがで終る。Effects As described above, according to the present invention, by separately providing nozzles and sprues corresponding to the outer layer molding material and the inner layer molding material, the molding temperature conditions for each molding material can be selectively set and controlled. As a result, the quality of sandwich molded products can be improved.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は先行技術を示す断面図、第２図は本７− 発明の一実施例を示す断面図、第３図は本発明の一実施
例の動作状態を示す断面図である。 ４．９・・・ノズル孔、７．１２・・・成形空間、１３
・・・デー）、１４．１５・・・スプルー、１６・・・
第１射出ユニツト、１７・・・第２射出ユニツト、２０
．３３・・・成形材料供給流路、２１・・・供給手段、
３０・・・外層成形材料、３４・・・内層成形材料代理
人　弁理士　西教圭一部 ＝８− 手ａ補正書 １、事件の表示 特願昭５９−３０７６８ ２、発明の名称 サンドイッチ成形装置 ３、補正をする者 事件との関係　出願人 住所 名称（５８３）松下電工株式会社 代表者 ４、代理人 住　所　大阪市西区西本町１丁目１３番３８号　新興節
ビル国装置ＥＸ　０５２５−５９８５　１ＮＴＡＰＴ　
Ｊ国際ＦＡＸ　ＧＴｆｆ＆Ｇ］Ｉ　（０６）５３８−０
２４７自発補正 ６、Ｍ正の対象 明細書の発明の詳細な説明の欄 ７、補正の内容 明細書第２頁第１７行目〜第２０行目において「しかも
・・・が生じる。」とあるを、削除する。 以上FIG. 1 is a sectional view showing the prior art, FIG. 2 is a sectional view showing an embodiment of the present invention, and FIG. 3 is a sectional view showing the operating state of the embodiment of the present invention. 4.9... Nozzle hole, 7.12... Molding space, 13
...day), 14.15...sprue, 16...
First injection unit, 17...Second injection unit, 20
．． 33... Molding material supply channel, 21... Supply means,
30...Outer layer molding material, 34...Inner layer molding material agent Patent attorney Kei Nishi Part 8- Written amendment 1, Indication of case Patent application 1983-30768 2, Name of invention Sandwich molding device 3 , Relationship with the case of the person making the amendment Applicant address name (583) Matsushita Electric Works Co., Ltd. Representative 4, Agent address 1-13-38 Nishihonmachi, Nishi-ku, Osaka Shinkobushi Building Country Equipment EX 0525-5985 1NTAPT
J International FAX GTff&G]I (06)538-0
247 Voluntary amendment 6, Detailed explanation of the invention column 7 of the M-positive target specification, page 2, lines 17 to 20 of the specification of the contents of the amendment states, "Moreover,... will occur." , delete. that's all

Claims (1)

【特許請求の範囲】 第１スプルーと、第１スプルーに臨むノズル孔と、ノズ
ル孔に連通する供給経路と、供給経路に外層成形材料を
供給する第１供給手段とによって第１射出ユニツトを構
成し、 第２スプルーと、第２スプルーに臨むノズル孔と、ノズ
ル孔に連通する供給経路と、供給経路に内層成形材料を
供給する第２供給手段とによって第２射出ユニツトを構
成し、 前記第１スプルーおよび第２スプルーは成形空間のデー
トの合流付近で前記成形材料を供給することを特徴とす
るサンドイッチ成形装置。[Claims] A first injection unit is constituted by a first sprue, a nozzle hole facing the first sprue, a supply path communicating with the nozzle hole, and a first supply means for supplying outer layer molding material to the supply path. a second injection unit is constituted by the second sprue, a nozzle hole facing the second sprue, a supply path communicating with the nozzle hole, and a second supply means for supplying the inner layer molding material to the supply path, A sandwich molding apparatus characterized in that the first sprue and the second sprue supply the molding material near the confluence of dates in the molding space.
JP3076884A 1984-02-20 1984-02-20 Sandwich molding device Pending JPS60174622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3076884A JPS60174622A (en) 1984-02-20 1984-02-20 Sandwich molding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3076884A JPS60174622A (en) 1984-02-20 1984-02-20 Sandwich molding device

Publications (1)

Publication Number Publication Date
JPS60174622A true JPS60174622A (en) 1985-09-07

Family

ID=12312860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3076884A Pending JPS60174622A (en) 1984-02-20 1984-02-20 Sandwich molding device

Country Status (1)

Country Link
JP (1) JPS60174622A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246512A2 (en) * 1986-05-12 1987-11-25 Husky Injection Molding Systems Ltd. Coinjection of hollow articles and preforms
FR2631883A1 (en) * 1988-05-27 1989-12-01 Neiman Sa METHOD AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR AND REFLECTOR THUS OBTAINED
US5215762A (en) * 1990-07-16 1993-06-01 Kloeckner-Ferromatik Desma Gmbh Nozzle for injection molding machine
US5470616A (en) * 1992-12-23 1995-11-28 Mitsubishi Rayon Co., Ltd. Coated shaped articles and method of making same
EP0790116A3 (en) * 1996-02-19 1999-11-24 Fried. Krupp AG Hoesch-Krupp Method for injection moulding three-layered moulded objects and apparatus for carrying out the method
JP2006517861A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Nozzle device
FR2953159A1 (en) * 2009-11-30 2011-06-03 Faurecia Bloc Avant Piece of equipment for a motor vehicle, comprises a core layer made of a thermoplastic material and having an outer surface, an inner surface and a side surface, and a film layer made of a thermoplastic material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246512A2 (en) * 1986-05-12 1987-11-25 Husky Injection Molding Systems Ltd. Coinjection of hollow articles and preforms
FR2631883A1 (en) * 1988-05-27 1989-12-01 Neiman Sa METHOD AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR AND REFLECTOR THUS OBTAINED
US5215762A (en) * 1990-07-16 1993-06-01 Kloeckner-Ferromatik Desma Gmbh Nozzle for injection molding machine
US5470616A (en) * 1992-12-23 1995-11-28 Mitsubishi Rayon Co., Ltd. Coated shaped articles and method of making same
EP0790116A3 (en) * 1996-02-19 1999-11-24 Fried. Krupp AG Hoesch-Krupp Method for injection moulding three-layered moulded objects and apparatus for carrying out the method
JP2006517861A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Nozzle device
JP2006517860A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Improvements regarding distribution nozzles
JP2006517862A (en) * 2003-02-18 2006-08-03 インクロ リミテッド spray nozzle
JP2006518020A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Improved nozzle device
JP2006517859A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Dispensing nozzle
JP2006517858A (en) * 2003-02-18 2006-08-03 インクロ リミテッド Dispenser pump
FR2953159A1 (en) * 2009-11-30 2011-06-03 Faurecia Bloc Avant Piece of equipment for a motor vehicle, comprises a core layer made of a thermoplastic material and having an outer surface, an inner surface and a side surface, and a film layer made of a thermoplastic material

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