JPS62240527A - Mouthpiece for plastic double layer extrusion molding - Google Patents
Mouthpiece for plastic double layer extrusion moldingInfo
- Publication number
- JPS62240527A JPS62240527A JP61083365A JP8336586A JPS62240527A JP S62240527 A JPS62240527 A JP S62240527A JP 61083365 A JP61083365 A JP 61083365A JP 8336586 A JP8336586 A JP 8336586A JP S62240527 A JPS62240527 A JP S62240527A
- Authority
- JP
- Japan
- Prior art keywords
- mouthpiece
- extruder
- land
- intersection
- rugged pattern
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 title claims description 10
- 239000003000 extruded plastic Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、平板状のプラスチック？１２層成形品、特に
積層界面に凹凸模様を呈する成形品を押出成形する際に
使用する口金に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to flat plastic? The present invention relates to a die used when extruding a 12-layer molded product, particularly a molded product exhibiting an uneven pattern at the laminated interface.
（従来技術とその問題点）
従来、プラスチック押出成形品の表面に、流れ模様、柾
目模様等を現出じしめるために、主押出機と副押出機を
、そのバレルヘッド部に設けた誘導管又は口金で連結し
て、各押出機から異色の樹脂を溶融合流押出して製造す
る方法は知られている。(Prior art and its problems) Conventionally, in order to create flow patterns, straight-grain patterns, etc. on the surface of plastic extrusion molded products, a main extruder and a sub-extruder were equipped with a guide tube installed in the barrel head. Alternatively, a method is known in which resins of different colors are extruded as a molten stream from each extruder by connecting the extruders with a die.
しかしながら、上記方法により得られた押印成形品の模
様は、単調な模様に限定され、しから、模様は表層部に
形成されるため、使用に伴ない消失し易いという問題点
がある。However, the pattern of the stamped molded product obtained by the above method is limited to a monotonous pattern, and since the pattern is formed on the surface layer, there is a problem that it easily disappears with use.
（問題点を解決するための手段）
本発明は、上記従来の問題点を解決するものであって、
その要旨は、主押出機と副押出機とを口金を介して連結
し、該口金内で主押出機及び副押出機よりの溶融プラス
ナックを合流せしめて、平板状複層成形品を押出成形す
る口金において、上記主押出機と一副押出機とに連通づ
る口金ランドの交差部の少くと６−側面に、押出プラス
チックの流れを横切る方向に、凹凸模様の端面を形成し
、該凹凸模様は、口金ランドの東部に向って凹凸面が徐
々に消失するように形成してなるプラスチック複層押出
成形用口金である。(Means for solving the problems) The present invention solves the above-mentioned conventional problems, and includes:
The gist is that the main extruder and sub-extruder are connected via a die, and the molten plastic snacks from the main extruder and sub-extruder are merged within the die to extrude and mold a flat multilayer molded product. In the die, an end face with an uneven pattern is formed in a direction transverse to the flow of the extruded plastic on at least the 6th side of the intersection of the die land communicating with the main extruder and the first sub-extruder, and the uneven pattern is a plastic multilayer extrusion molding die in which the uneven surface gradually disappears toward the eastern part of the die land.
以下、本発明を実施例図面により説明する。Hereinafter, the present invention will be explained with reference to the drawings.
第１図は、本発明の口金の取付は状態を説明覆るだめの
側断面図である。FIG. 1 is a side cross-sectional view of a cap illustrating the mounting state of the cap of the present invention.
第２図は、本発明の口金に内蔵される入れ子の例を斜視
図で示し、第３図は、第２図の■−■線断面図であり、
第４図は、第２図のＩＶ−ＩＶ線断面図であり、第５図
は、第２図のＶ−Ｖａ断面図を各々示Ｊ０
第６図及び第７図は、各々本発明のＬｌ金を用いて押出
成形した成形品の例を断面図で示Ｊ０第１図に示す如く
、本発明の複層押出成形用口金（以下、単に口金という
）は、平板状の上型１１と、下型１２とが合体してなる
主口金１であり、」ユ押出機へと副押出機Ｂとを連結し
、主押出ｍＡからスクリュー９により押出される溶融プ
ラスチックＣが通過づる主口金ランド３と、副押出機Ｂ
からスクリュー１０により押出される溶融プラスチック
Ｄが通過づる副［」金ランド４どが、各々扇状に拡開し
て合流するよ・うに構成したしのである。FIG. 2 shows a perspective view of an example of the nest built into the base of the present invention, and FIG. 3 is a sectional view taken along the line ■-■ in FIG.
4 is a sectional view taken along line IV-IV in FIG. 2, and FIG. 5 is a sectional view taken along line V-Va in FIG. As shown in FIG. 1, which shows a cross-sectional view of an example of a molded product extruded using gold, the multilayer extrusion molding die (hereinafter simply referred to as the die) of the present invention includes a flat upper die 11, A main mouthpiece 1 is formed by combining a lower die 12 and a main mouthpiece land 3 which connects a sub-extruder B to the extruder B, and through which molten plastic C extruded from the main extruder mA by a screw 9 passes. and sub-extruder B
The auxiliary gold lands 4 through which the molten plastic D extruded by the screw 10 passes are configured so that they each expand into a fan shape and merge together.
該押出び賃Δに連通する［１金ランド３と、副押出４１
Ｂに連通づる口金ランド４の交差部８の口金ランド３
の側面には、押出プラスチックの流れを横切る方向（幅
方向）に凹凸模様の端面が形成され、該凹凸模様は、口
金ランド３の奥部（即ら、押出プラスチックの流れに逆
行する方向）に向って凹凸面が徐々に消失するように形
成されている。The [1 gold land 3 and the sub-extrusion 41] are connected to the extrusion fee Δ.
The cap land 3 at the intersection 8 of the cap land 4 that communicates with B
An end face with a concave-convex pattern is formed on the side surface in a direction (width direction) that crosses the flow of the extruded plastic, and the concave-convex pattern is formed in the inner part of the cap land 3 (i.e., in the direction opposite to the flow of the extruded plastic). It is formed so that the uneven surface gradually disappears.
例えば、第２図にポリものは、口金ランド３゜４の交Ｘ
部８に嵌谷りるＩ【１ツク状の入れ子５ぐあり、主口金
ランド３側に凹凸面を形成りるデーバー凸部６が多数突
設されている。 該デーパ−凸部６は、第２図の■−■
線断面、ＩＶ−ＩＶ線断面、Ｖ −Ｖ ＩＩＡ １１７
ｉ 面ヲ、各々第３図、第４図、第５図に示す如く、入
れ子５の前部より後部に向うに従い徐々に低く形成し、
俊端部は平坦状に形成されている。For example, the poly one shown in Figure 2 has a 3°4 intersection of the cap land.
There is a nested nest 5 in the part 8, and a large number of protrusions 6 protruding from the main cap land 3 side to form an uneven surface. The tapered convex portion 6 is shown in FIG.
Line cross section, IV-IV line cross section, V - V IIA 117
As shown in FIGS. 3, 4, and 5, the i side is gradually lowered from the front to the rear of the nest 5,
The short end is formed into a flat shape.
第２図に示づ入れ子５は、その下面（即ら主口金ランド
３側）にのみテーパー凸部６を形成しであるが、逆に図
示してないが、入れ子５の０１０金ランド４側のテーパ
一部７にのみテーパー状の凸部を形成してしよく、また
入れ子５の下面及びテーパ一部７に（ｉｆ設して、交差
部８で凹凸模様を形成してもよい。The insert 5 shown in FIG. 2 has a tapered convex portion 6 formed only on its lower surface (that is, on the main cap land 3 side), but conversely, although not shown, the 010 gold land 4 side of the insert 5 A tapered convex portion may be formed only on the tapered portion 7 of the nest 5, or a concave-convex pattern may be formed on the lower surface of the nest 5 and the tapered portion 7 (if) to form an uneven pattern at the intersection portion 8.
本発明は、上記の如くブロック状の入れ子５を主口金１
内の交差部８に嵌着したものの外、主口金１の上型１１
に一体に形成したものであってもよい。 図示してない
が、本発明は上記主押出機Ａの主口金１に、副押出機Ｂ
の副口金２を連結して２層押出を行う二連式のものの外
、主押出機の主口金に、複数の副押出機の各々の副口金
を連結して３層以上の押出成形を行う場合に適用される
口金も含まれるものである。In the present invention, as described above, the block-shaped nest 5 is attached to the main base 1.
The upper mold 11 of the main cap 1 is fitted to the inner intersection 8.
It may be formed integrally with. Although not shown in the drawings, the present invention includes a main mouthpiece 1 of the main extruder A, and a sub-extruder B.
In addition to the two-barrel type that connects the sub-caps 2 of the main extruder to perform two-layer extrusion, the sub-caps of each of a plurality of sub-extruders are connected to the main cap of the main extruder to perform extrusion molding of three or more layers. It also includes the cap applicable to the case.
（発明の効果） 本発明は上記構成よりなるので、下記効果を奏づる。(Effect of the invention) Since the present invention has the above configuration, it produces the following effects.
即ち、本発明は主押出機及び副押出機からの溶融プラス
チックを口金内で合流させ、その合流個所に設けた交差
部の凹凸模様により積層界面に各種の凹凸模様を有づる
平板状複層成形品を得ることができ、この成形品中に形
成された凹凸模様は、埋設された模様であるので、摩耗
等により消失する倶れがない。That is, the present invention combines molten plastics from a main extruder and a sub-extruder in a die, and forms multi-layered flat plates having various uneven patterns at the laminated interfaces due to the uneven patterns of intersections provided at the merging points. Since the uneven pattern formed in this molded product is an embedded pattern, it will not disappear due to wear or the like.
例えば交差部の選択により上記角型をはじめ、第６図に
示づような波型や、第７図に示すような鋸歯型など所望
の断面模様で、かつ長手方向（押出方向）に規則正しく
模様付けされた複層成形品が得られる。For example, by selecting the intersection, a desired cross-sectional pattern such as the above-mentioned square shape, a wave shape as shown in Fig. 6, or a sawtooth shape as shown in Fig. 7 can be obtained, and the pattern is regular in the longitudinal direction (extrusion direction). A multi-layer molded product is obtained.
本発明の口金を用い、例えば主押出機に不透明な着色プ
ラスチック材料を供給して第一プラスチックｍＣを形成
し、副押出機には透明着色プラスチック材料を供給して
第ニブラスチック層りを形成し、第６図及び第７図に示
すような断面模様を自在に形成させることができる。
また、これにより両層が透明色であれば、異なった色相
を配したり、同一色相であれば濃淡を付けることも自在
であり、得られる平板状成形品は、入射光の干渉効果や
色相の変化等により装飾効果が著しく大きく、商品価値
を高めることができるものである。Using the die of the present invention, for example, a main extruder is fed with an opaque colored plastic material to form a first plastic mC, and a sub-extruder is fed with a transparent colored plastic material to form a second plastic layer. , sectional patterns as shown in FIGS. 6 and 7 can be freely formed.
In addition, if both layers are transparent, it is possible to arrange them in different hues, or if they are the same hue, they can be shaded. The decorative effect is significantly large due to changes in the color, etc., and the product value can be increased.
また、主押出機に取イマ１けられる主［］金に対し、複
数の副押出機の副口金ランドを、各ノア主口金ランドの
出［１方向に位置をずらして連結寸れば、断面三層以上
の複層成形品ら得られる等、本発明の適用範囲は広い。In addition, if the sub-die lands of multiple sub-extruders are connected to the main die taken in the main extruder by shifting their positions in one direction, the cross-sectional The scope of application of the present invention is wide, as it can be obtained from multilayer molded products having three or more layers.
第１図は、本発明の口金の数例は状態を説明するための
側断面図である。 第２図は、本発明に内蔵される入れ
子の例を斜視図ぐ示し、第３図は、第２図の■−■線断
面図であり、第４図は第２図のｆＶ−ＩＶ線断面図であ
り、第５図は、第２図のＶ−Ｖ線断面図を夫々示す。
第６図及び第７図は、夫々本発明を用いて押出成形した
成形品の例を断面図で示−４゜Ａ・・・・・・主押出機
、 Ｂ・・・・・・副押出機、 Ｃ・・・・・・第一プ
ラスチック層、 Ｄ・・・・・・第ニブラスブーツク層
１・・・・・・主口金、 ２・・・・・・副口金、 ３
・・・・・・主口金ランド、 ４・・・・・・副口金ラ
ンド、 ５・・・・・・入れ子、６・・・・・・テーパ
ー凸部、 ８・・・・・・交差部特許出願人 三
菱 樹 脂 株 式 会 社第１ 区
第３回
第ム凪 ｓＹｒｓFIG. 1 is a side sectional view for explaining the state of some examples of the base of the present invention. FIG. 2 shows a perspective view of an example of the nest built into the present invention, FIG. 3 is a sectional view taken along the line ■-■ in FIG. 2, and FIG. 4 is a sectional view taken along the line fV-IV in FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 2. FIG. FIGS. 6 and 7 are cross-sectional views of examples of molded products extruded using the present invention, respectively. Machine, C... First plastic layer, D... Second brass boot layer 1... Main cap, 2... Secondary cap, 3
...Main cap land, 4...Sub cap land, 5...Nest, 6...Taper convex part, 8...Intersection part Patent applicant 3
Hishi Jushi Co., Ltd. 1st Ward 3rd Mu Nagi sYrs
Claims (1)
で主押出機および副押出機よりの溶融プラスチックを合
流せしめて、平板状複層成形品を押出成形する口金にお
いて、上記主押出機と副押出機とに連通する口金ランド
の交差部の少くとも一側面に、押出プラスチックの流れ
を横切る方向に、凹凸模様の端面を形成し、該凹凸模様
は口金ランドの奥部に向って、凹凸面が徐々に消失する
ように形成してなるプラスチック複層押出成形用口金。A main extruder and a sub-extruder are connected via a die, and molten plastic from the main extruder and the sub-extruder are combined in the die to extrude a flat multilayer molded product, as described above. An end face with an uneven pattern is formed in a direction transverse to the flow of the extruded plastic on at least one side of the intersection of the die land communicating with the main extruder and the sub-extruder, and the uneven pattern is formed in the deep part of the die land. On the other hand, a plastic multilayer extrusion molding die is formed so that the uneven surface gradually disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61083365A JPS62240527A (en) | 1986-04-11 | 1986-04-11 | Mouthpiece for plastic double layer extrusion molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61083365A JPS62240527A (en) | 1986-04-11 | 1986-04-11 | Mouthpiece for plastic double layer extrusion molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62240527A true JPS62240527A (en) | 1987-10-21 |
Family
ID=13800398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61083365A Pending JPS62240527A (en) | 1986-04-11 | 1986-04-11 | Mouthpiece for plastic double layer extrusion molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62240527A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087488A (en) * | 1989-10-19 | 1992-02-11 | Aeroquip Corporation | Method and apparatus for forming a plastic article with an overlay of varying thickness having a shaded color appearance |
| US5209282A (en) * | 1988-11-29 | 1993-05-11 | Extrusiovinyl & Plastics Co., Inc. | Vertical blind with corrugated surface |
| WO1999043506A1 (en) * | 1998-02-26 | 1999-09-02 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Electrically conductive tyre and apparatus for extruding sections made conductive |
| US6951233B1 (en) | 1998-02-26 | 2005-10-04 | Compagnie Generale Des Etablissements Michelin-Michelin & Cie | Electrically conductive tire and apparatus and process for extruding elements which have been made conductive |
| JP2008238716A (en) * | 2007-03-28 | 2008-10-09 | Fujisawa Denko Kk | Aluminum-like resin extruding material, aluminum-like resin extruded product, and method for producing aluminum-like resin extruding material |
| CN105908265A (en) * | 2016-05-20 | 2016-08-31 | 广东蒙泰纺织纤维有限公司 | Method for coloring polypropylene fiber through injection of color master batch flux |
-
1986
- 1986-04-11 JP JP61083365A patent/JPS62240527A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209282A (en) * | 1988-11-29 | 1993-05-11 | Extrusiovinyl & Plastics Co., Inc. | Vertical blind with corrugated surface |
| US5087488A (en) * | 1989-10-19 | 1992-02-11 | Aeroquip Corporation | Method and apparatus for forming a plastic article with an overlay of varying thickness having a shaded color appearance |
| WO1999043506A1 (en) * | 1998-02-26 | 1999-09-02 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Electrically conductive tyre and apparatus for extruding sections made conductive |
| EP1095798A1 (en) * | 1998-02-26 | 2001-05-02 | Compagnie Générale des Etablissements MICHELIN-MICHELIN & CIE | Apparatus for extruding sections made conductive |
| JP2002504455A (en) * | 1998-02-26 | 2002-02-12 | コンパニー ゼネラール デ エタブリッスマン ミシュラン−ミシュラン エ コムパニー | Extruding apparatus for conductive tire and conductive section |
| US6951233B1 (en) | 1998-02-26 | 2005-10-04 | Compagnie Generale Des Etablissements Michelin-Michelin & Cie | Electrically conductive tire and apparatus and process for extruding elements which have been made conductive |
| JP2008238716A (en) * | 2007-03-28 | 2008-10-09 | Fujisawa Denko Kk | Aluminum-like resin extruding material, aluminum-like resin extruded product, and method for producing aluminum-like resin extruding material |
| CN105908265A (en) * | 2016-05-20 | 2016-08-31 | 广东蒙泰纺织纤维有限公司 | Method for coloring polypropylene fiber through injection of color master batch flux |
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