JPH0611499B2 - Laminated body manufacturing method and mold apparatus therefor - Google Patents
Laminated body manufacturing method and mold apparatus thereforInfo
- Publication number
- JPH0611499B2 JPH0611499B2 JP26108884A JP26108884A JPH0611499B2 JP H0611499 B2 JPH0611499 B2 JP H0611499B2 JP 26108884 A JP26108884 A JP 26108884A JP 26108884 A JP26108884 A JP 26108884A JP H0611499 B2 JPH0611499 B2 JP H0611499B2
- Authority
- JP
- Japan
- Prior art keywords
- skin material
- mold
- female
- frame
- male
- 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.)
- Expired - Lifetime
Links
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明方法及び発明装置は折り返し部を有する表皮材
と合成樹脂よりなる積層体の製造方法及びそのための金
型装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention method and apparatus relate to a method for manufacturing a laminate comprising a skin material having a folded portion and a synthetic resin, and a die apparatus therefor.
（発明の背景） 合成樹脂成形品はその経済性、自由な賦形性、及び軽量
性等の理由から自動車、家電をはじめあらゆる分野にお
いて大量に使用されている。(Background of the Invention) Synthetic resin molded products are used in large amounts in various fields including automobiles and home appliances because of their economical efficiency, free shapeability, and light weight.
しかし、一方では安っぽさ、冷たい感じ、傷がつき易い
等の欠点があり、装飾性、ソフト感等の付与が強く求め
られてきた。従来、これらの要望を満足する機能を備え
た合成物を得るべく種々の検討がなされてきたが、単一
の材料で自由な賦形性および強度を保持しつつ前記欠点
の改良された表面性状をも有することは困難であり、現
状では異種の機能を持つ複数の材料を組合せた積層体が
一般に多く用いられている。However, on the other hand, there are drawbacks such as cheapness, cold feeling, and easy scratching, and there has been a strong demand for imparting decorativeness and softness. Conventionally, various studies have been carried out in order to obtain a compound having a function satisfying these demands. However, the surface property of the above-mentioned defects improved while maintaining the free formability and strength with a single material. It is difficult to have such a structure, and at present, a laminated body in which a plurality of materials having different functions are combined is generally used.
（従来の技術） これら積層体を製造する方法としては、例えば特開昭59
-150740号で提案されているように雌型または雄型に移
動自在に取付けられ、かつ雄型が摺動貫通する摺動口を
有する表皮材固定枠により、この表皮材固定枠と雌型と
の間に表皮材の周縁を狭持した後、この表皮材と雌型ま
たは雄型との間に熔融樹脂を供給し、前記雌型と雄型と
を型締めして成形を行う方法が提案されている。(Prior Art) As a method for producing these laminates, for example, Japanese Patent Laid-Open No.
-150740, the skin material fixing frame movably attached to the female mold or the male mold, and having a sliding opening through which the male mold slides through, by this skin material fixing frame and the female mold. After sandwiching the peripheral edge of the skin material between the two, a method of supplying a molten resin between the skin material and the female mold or the male mold, and clamping the female mold and the male mold to perform molding is proposed. Has been done.
尚、この明細書において、型締時に対向する最外周の側
面が外側面である方を雄型といい内側面である方を雌型
という。In this specification, the outermost side surface facing the mold clamping is the outer surface and the inner surface is the female surface.
（発明が解決しようとする問題点） この従来の方法は合成樹脂(30)を覆う表皮材(31)にシワ
や破れのない良好な外観を備えた第21図示する様な積層
体(32)を製造することができるが、第22図示する様な積
層体(32)即ち表皮材(31)の折り返し部(33)を有する様な
積層体(32)を得る場合には予め第21図示する積層体(32)
を製造した後、別途表皮材(31)の折り返し工程を必要と
するばかりでなく表皮材(31)の折り返し部(33)にシワが
生じやすいという嫌いがあった。(Problems to be solved by the invention) In this conventional method, the skin material (31) covering the synthetic resin (30) has a good appearance without wrinkles or tears. However, in the case of obtaining a laminated body (32) as shown in FIG. 22, that is, a laminated body (32) having a folded portion (33) of the skin material (31), as shown in FIG. 21 in advance. Laminate (32)
There is a dislike that not only a separate step of folding back the skin material (31) is required after the production of but also wrinkles are likely to occur in the folding portion (33) of the skin material (31).
この発明方法及び発明装置は、この従来法における問題
点を解決せんとして完成されたもので、表皮材にシワや
破れ等がなく、かつ表皮材の折り返し部にシワが少ない
良好な外観を有す積層体を得るとともに作業工程及び製
造機械が簡略化されかつ極めて量産に適す積層体の製造
方法及びそのための金型装置を提供することを目的とす
る。This invented method and invented device have been completed to solve the problems in this conventional method, and have a good appearance with no wrinkles or tears in the skin material and less wrinkles in the folded portion of the skin material. An object of the present invention is to provide a method for manufacturing a laminate and a die apparatus for the same, which is suitable for mass production because the laminate is obtained, the working process and the manufacturing machine are simplified.
（問題点を解決するための手段） この発明方法は、雄型と雌型とを有す金型装置の雄型側
または雌型側に移動自在に取付けられ、かつ雄型の外側
面が全周に亙って摺動する摺動面を有する表皮材固定枠
と雌型側に取付けられ雌型の表皮材固定枠に対向する面
に摺動する分割枠との間に表皮材を配設し、この表皮材
固定枠と分割枠との間で表皮材の周縁を狭持した後、前
記雌型及び雄型を型締めするとともに表皮材を賦形し前
記表皮材を敷設した後型締完了前に前記表皮材と雄型と
の間に所要の熔融樹脂径路から熔融樹脂を供給し熔融樹
脂の成形を行い、かつ前記分割枠が少なくとも前記表皮
材狭持時若しくは狭持前に雌型キャビィティ内方まで摺
動集合し、成形完了後に雌型キャビィティ外方まで摺動
分散することを特徴とする折り返し部を有する表皮材と
合成樹脂よりなる積層体の製造方法を提供することによ
り前述の問題点を解決する。(Means for Solving the Problems) According to the method of the present invention, a mold device having a male mold and a female mold is movably attached to the male side or the female side, and the outer surface of the male mold is entirely attached. Disposing the skin material between the skin material fixing frame having a sliding surface that slides around the circumference and the split frame that is attached to the female mold side and slides on the surface facing the female skin material fixing frame Then, after sandwiching the peripheral edge of the skin material between the skin material fixing frame and the dividing frame, the female mold and the male mold are clamped, and the skin material is shaped and the skin material is laid and then the mold is clamped. Before completion, the molten resin is supplied from a required molten resin path between the skin material and the male mold to mold the molten resin, and the dividing frame is a female mold at least during or before sandwiching the skin material. The folded part is characterized in that it slides together to the inside of the cavity and after the completion of molding it slides and distributes to the outside of the female cavity. The above-mentioned problems are solved by providing a method for producing a laminate comprising the skin material and the synthetic resin.
さらにこの発明装置は、上記発明方法を実施する最適装
置として少なくとも雄型と雌型と表皮材固定枠と伸縮装
置と分割枠と移動機構とからなり、この表皮材固定枠が
前記雄型側または雌型側に伸縮装置により移動自在に取
付けられ、雄型の外側面が全周に亙って摺動する摺動面
を有し、かつ前記分割枠が雌型側に取付けられ、移動機
構により集合分散自在に雌型の表皮材固定枠に対向する
面に摺動し、この分割枠の内面が集合時に雌型のキャビ
ィティ内方に位置し、分散時に雌型のキャビィティ外方
に位置することを特徴とする金型装置を提供することに
より前述の問題点を解決する。Further, the device of the present invention comprises at least a male mold, a female mold, a skin material fixing frame, a stretching device, a dividing frame, and a moving mechanism as an optimum device for carrying out the method of the invention, and the skin material fixing frame is on the male side or It is movably attached to the female die side by an expansion / contraction device, and the male die outer surface has a sliding surface that slides over the entire circumference, and the dividing frame is attached to the female die side by a moving mechanism. Sliding freely on the surface facing the female skin fixing frame so that the inner surface of this dividing frame is inside the female cavity at the time of assembly and outside the female cavity at the time of dispersion. The above-mentioned problems are solved by providing a mold apparatus characterized by the following.
（実施例） 以下、第１図乃至第９図に基づいてこの発明方法及びこ
の発明装置の一実施例について詳説する。(Embodiment) An embodiment of the method of the present invention and the device of the present invention will be described below in detail with reference to FIGS. 1 to 9.
第１図、第４図、第５図及び第７図乃至第９図は実施例
を説明する断面図であり、第２図は第１図のＡ−Ａ線矢
視図、第３図は第１図のＢ−Ｂ線矢視図、第６図は第２
図の変化図である。1, 4, 5, and 7 to 9 are cross-sectional views for explaining the embodiment, FIG. 2 is a view taken along the line AA of FIG. 1, and FIG. FIG. 1 is a view taken along the line BB of FIG. 1, and FIG.
It is a change figure of a figure.
図面において、(1)は金型装置、(2)は雄型、(3)は雌
型、(4)は表皮材固定枠、(5)は伸縮装置、(6)は分割
枠、(7)は移動機構、(8)は摺動面、(9)は雄型(2)の外側
面、(13)は表皮材、(15)は熔融樹脂、(18)は積層体であ
る。In the drawing, (1) is a mold device, (2) is a male mold, (3) is a female mold, (4) is a skin material fixing frame, (5) is a telescopic device, (6) is a dividing frame, (7) ) Is a moving mechanism, (8) is a sliding surface, (9) is an outer surface of the male mold (2), (13) is a skin material, (15) is a molten resin, and (18) is a laminate.
金型装置(1)は、下方に位置する雄型(2)と表皮材固定枠
(4)と伸縮装置(5)と、周知の昇降機構（図示せず）によ
り支持され上方に位置する雌型(3)とこの雌型(3)に取り
つけられら分割枠(6)と、この分割枠(6)を移動させる移
動機構(7)とからなる。The mold device (1) consists of a male mold (2) located below and a skin material fixing frame.
(4) and a telescopic device (5), a female mold (3) which is supported by a well-known lifting mechanism (not shown) and is located above, and a dividing frame (6) attached to the female mold (3), It comprises a moving mechanism (7) for moving the dividing frame (6).
表皮材固定枠(4)は分割枠(6)に対向する上面を有し雄型
(2)側に複数の伸縮装置(5)により移動自在に取付けら
れ、かつ摺動面(8)及びテーパ面(4a)を有す。The skin fixing frame (4) has a top surface facing the dividing frame (6) and is a male type
It is movably attached to the (2) side by a plurality of expansion / contraction devices (5) and has a sliding surface (8) and a tapered surface (4a).
伸縮装置(5)は必要なストローク等に応じて公知の油圧
シリンダ、空圧シリンダ、空圧スプリング、ウレタンス
プリング、鋼製ばね等任意に採用されるものである。
尚、この実施例では両型(2)、(3)の型締力に従い伸縮す
るばね機構のものが好適に採用できる。The expansion / contraction device (5) may be any of known hydraulic cylinders, pneumatic cylinders, pneumatic springs, urethane springs, steel springs, etc., depending on the stroke required.
In this embodiment, a spring mechanism that expands and contracts according to the mold clamping force of both molds (2) and (3) can be preferably used.
摺動面(8)は雄型(2)の外側面(9)が全周に亙って摺動す
る。On the sliding surface (8), the outer surface (9) of the male die (2) slides over the entire circumference.
分割枠(6)は複数の分割部(10)からなり雌型(3)側に取付
けられ、移動機構(7)により集合（第６図参照）分散
（第２図参照）自在に雌型(3)の表皮材固定枠(4)に対向
する面(3a)に摺動し、各分割部(10)の内面(10a)がこの
集合時に雌型(3)のキャビィティ内方に位置し、分散時
に雌型(3)のキャビィティ外方に位置する。分割部(10)
はテーパ面(4a)と同一角度のテーパ面(10b)と、複数の
ロッド部材(11)が貫通摺動する摺動孔(10c)とを有す。The dividing frame (6) is composed of a plurality of dividing portions (10) and is attached to the female die (3) side, and the moving mechanism (7) allows the female die (see FIG. 6) to be dispersed (see FIG. 2) freely. Sliding on the surface (3a) facing the skin material fixing frame (4) of 3), the inner surface (10a) of each divided part (10) is located inside the cavity of the female mold (3) during this assembly, Located outside the cavity of the female (3) when dispersed. Dividing part (10)
Has a taper surface (10b) at the same angle as the taper surface (4a) and a slide hole (10c) through which a plurality of rod members (11) slide.
ロッド部材(11)は雌型(3)に螺着（図示せず）して雌型
(3)に固定され、例えばバネ(12)（第２図においては省
略）が弾設される。The rod member (11) is screwed (not shown) to the female die (3) to form the female die.
It is fixed to (3) and, for example, a spring (12) (not shown in FIG. 2) is elastically installed.
移動機構(7)は前記テーパ面(4a)、(10b)、ロッド部材(1
1)、バネ(12)等から構成される。The moving mechanism (7) includes the tapered surfaces (4a), (10b), the rod member (1
1), spring (12), etc.
この様な構成からなるこの実施例に係る金型装置(1)を
用いて、例えば以下の乃至の工程によりこの発明方
法は実施される。The method of the present invention is carried out, for example, by the following steps by using the mold apparatus (1) according to this embodiment having such a configuration.
表皮材固定枠(4)と分割枠(6)との間に表皮材(13)を配
設する。即ち表皮材(13)を表皮材固定枠(4)上に載置す
る（第１図参照）。The skin material (13) is arranged between the skin material fixing frame (4) and the dividing frame (6). That is, the skin material (13) is placed on the skin material fixing frame (4) (see FIG. 1).
次いで、昇降機構を作動させると雌型(3)及び分割枠
(6)が下降しテーパ面(4a)、(10b)が当接する（第４図参
照）。Then, when the lifting mechanism is operated, the female die (3) and the dividing frame are
(6) descends and the tapered surfaces (4a), (10b) come into contact with each other (see FIG. 4).
その後、さらに雌型(3)が下降を続けると分割部(10)
がバネ(12)（バネ(12)は伸縮装置(5)より先に縮む）を
圧縮し摺動孔(10c)がロッド部材(11)に案内されて分割
部(10)が雌型(3)の面(3a)に摺動して雌型(3)のキャビィ
ティ内方へ移動し分割部(10)が集合して各分割面(14)が
当接するとともに表皮材固定枠(4)と分割枠(6)との間で
表皮材(10)の周縁を狭持する（第５図、第６図参照）。After that, when the female mold (3) continues to descend, the dividing part (10)
Compresses the spring (12) (the spring (12) contracts before the telescopic device (5)), the sliding hole (10c) is guided by the rod member (11), and the split portion (10) is a female type (3 ) Slides on the surface (3a) of the female mold (3) and moves into the cavity of the female mold (3), the divided parts (10) gather, each divided surface (14) abuts and the skin material fixing frame (4). The peripheral edge of the skin material (10) is held between the divided frame (6) (see FIGS. 5 and 6).
表皮材(13)と雄型(2)との間に熔融樹脂(15)を供給
し、さらに雌型(3)と分割枠(6)とを下降させると伸縮装
置(5)が縮み表皮材固定枠(4)は雄型(2)の外側面(9)に摺
動して下降する。熔融樹脂(15)の供給は押出機等、周知
の熔融可塑手段（図示せず）により雄型(2)内に設けら
れた熔融樹脂径路（図示せず）を通じて供給される。When the molten resin (15) is supplied between the skin material (13) and the male mold (2), and the female mold (3) and the dividing frame (6) are further lowered, the expansion device (5) contracts and the skin material The fixed frame (4) slides on the outer surface (9) of the male mold (2) and descends. The molten resin (15) is supplied by a well-known melting plasticizing means (not shown) such as an extruder through a molten resin path (not shown) provided in the male mold (2).
同時に熔融樹脂(15)が流動して表皮材(13)を雌型(3)側
に押圧し、これに伴い表皮材(13)の周縁(16)が表皮材固
定枠(4)と分割枠(4)との間及び分割枠(4)と雄型(2)との
間をすべりつつかつ表皮材(13)が伸びつつ雌型(3)の凹
部内へ絞り込まれる（第７図参照）。At the same time, the molten resin (15) flows and presses the skin material (13) toward the female mold (3), and the peripheral edge (16) of the skin material (13) is accompanied by the skin material fixing frame (4) and the dividing frame. Sliding between (4) and between the dividing frame (4) and the male mold (2), and with the skin material (13) extending, it is squeezed into the recess of the female mold (3) (see FIG. 7). .
さらに雌型(3)が下降しつづけると両型(2)、(3)が完
全に型締めされ、表皮材(13)が折り返し部(13a)を形成
して賦形されるとともに表皮材(13)と合成樹脂(17)とが
一体になって成形が完了する（第８図参照）。When the female mold (3) continues to descend, both molds (2) and (3) are completely clamped, and the skin material (13) is shaped by forming the folded portion (13a) and the skin material ( 13) and the synthetic resin (17) are integrated to complete the molding (see FIG. 8).
合成樹脂(17)が硬化した後、型締力を取り除くと伸縮
装置(5)が伸びその後バネ(12)も伸び分割部(10)の内面
(10a)は雌型(3)のキャビィティ外方まで移動し積層体(1
8)を取り出す（第９図参照）。When the mold clamping force is removed after the synthetic resin (17) has hardened, the expansion device (5) expands and the spring (12) also expands and the inner surface of the split part (10)
(10a) moves to the outside of the cavity of the female type (3) and moves to the laminated body (1
Take out 8) (see FIG. 9).
この発明方法において、熔融樹脂(15)を供給する時期は
前述する時期に限定されるものではなく、表皮材(13)の
周縁(16)を狭持した後表皮材(13)を中間段階まで絞り込
んだ位置まで雄雌両型(2)、(3)をさらに接近させその後
あるいは表皮材(13)の敷設後に熔融樹脂(15)を供給して
も良い。In the method of the present invention, the timing of supplying the molten resin (15) is not limited to the above-mentioned timing, and the peripheral surface (16) of the skin material (13) is held between the skin material (13) to the intermediate stage. The molten resin (15) may be supplied after bringing the male and female molds (2), (3) closer to the narrowed position or after laying the skin material (13).
この発明方法及び発明装置において、分割枠(6)の形状
あるいは移動機構(7)等は必ずしも実施例に示したもの
に限定されるものではなく、後に示す変更例１乃至変更
例３の様にしても良く、要するに少なくとも分割枠(6)
が表皮材(13)の狭持時若しくは狭持前に雌型キャビィテ
ィ内方まで摺動集合し、成形完了後に雌型キャビィティ
外方まで摺動分散できる構造であれば良い。尚、実施例
に示した構造では、移動機構(7)に駆動装置を必要とせ
ず、かつこのため制御が容易である。In the method and the device of the present invention, the shape of the dividing frame (6), the moving mechanism (7), etc. are not necessarily limited to those shown in the embodiment, and are modified as in modified examples 1 to 3 described later. Ok, in short at least the dividing frame (6)
Any structure may be used so that when the skin material (13) is held or before it is held, it can be slid and collected to the inside of the female cavity and can be slid and dispersed to the outside of the female cavity after completion of molding. In the structure shown in the embodiment, the moving mechanism (7) does not need a driving device, and therefore the control is easy.
この発明方法及びこの発明装置において、熔融樹脂(15)
は雄型(2)の内部にあるいは金型装置(1)の外部に設けら
れた少なくともいずれか一つの熔融合成樹脂径路を通じ
て表皮材(13)と雄型(2)との間に供給すれば良い。In the method of the present invention and the apparatus of the present invention, the molten resin (15)
Is supplied between the skin material (13) and the male mold (2) through at least one fused resin path provided inside the male mold (2) or outside the mold device (1). good.
この発明方法及びこの発明装置においては第７図乃至第
８図示する如く、表皮材(13)の周縁(16)が成形の進行に
伴って徐々に雌型(3)の内方へ移動する場合があるので
表皮材(13)に対する固定力の特定が特に重要である。す
なわち、表皮材(13)は雌型(3)の降下に伴い雌型(3)の形
状にほぼ沿った形状に変形しようとする。ここで表皮材
固定枠(4)と分割枠(6)と及び分割枠(6)と雄型(2)とによ
る固定力が過小であると、表皮材(13)は表皮材固定枠
(4)と分割枠(6)との間及び分割枠(6)と雄型(2)との間で
大きなすべりを生じ、積層体(18)に必要な面積以上の表
皮材(13)が雌型(3)内へ供給されることになりシワの原
因となる。一方固定力が過大であると表皮材(13)はこの
張力に耐えきれず破損する。In the method and apparatus of the present invention, as shown in FIGS. 7 to 8, when the peripheral edge (16) of the skin material (13) gradually moves inward of the female mold (3) as the molding progresses. It is especially important to identify the fixing force for the skin material (13). That is, the skin material (13) tends to deform into a shape substantially following the shape of the female die (3) as the female die (3) descends. Here, if the fixing force by the skin material fixing frame (4) and the split frame (6) and the split frame (6) and the male mold (2) is too small, the skin material (13) becomes the skin material fixing frame.
A large slip occurs between the dividing frame (6) and the dividing frame (6) and between the dividing frame (6) and the male mold (2), and the skin material (13) having an area larger than that required for the laminate (18) is formed. It will be supplied into the female mold (3) and cause wrinkles. On the other hand, if the fixing force is too large, the skin material (13) cannot withstand this tension and is damaged.
この発明方法及びこの発明装置において、例えば積層体
(18)の形状が単純で表皮材(13)が伸びの大きい繊維（繊
維には400%の伸びを有するものがある）の場合には表皮
材(13)は必ずしも実施例の如くすべる必要はない。In the method of the present invention and the apparatus of the present invention, for example, a laminate
When the shape of (18) is simple and the skin material (13) is a fiber with large elongation (some fibers have elongation of 400%), the skin material (13) does not necessarily have to slide as in the example. Absent.
この発明方法の実施にあたって固定力を設定するには材
料特性、即ち表皮材(13)の伸び、あるいは絞り比、成形
品の各頂点や各辺の曲率等にもとづき最適の値を選択す
る必要があるか、一般的には固定部分の単位面積当たり
５〜300kg/cm2が用いられる。In order to set the fixing force in carrying out the method of the present invention, it is necessary to select the optimum value based on the material characteristics, that is, the elongation of the skin material (13), the drawing ratio, the curvature of each vertex or each side of the molded product, and the like. Or, generally, 5 to 300 kg / cm 2 is used per unit area of the fixed part.
表皮材(13)の必要面積の設定にあたっては、積層体(18)
の展開面積を先ず基準とし、つぎに表皮材(13)の伸びを
考慮してこれを縮小し、極力トリミングロスが出ないよ
うに設計する必要がある。When setting the required area of skin material (13), laminate (18)
It is necessary to use the developed area of No. 1 as a reference, and then take this into consideration in consideration of the elongation of the skin material (13) to reduce it so that trimming loss does not occur as much as possible.
この発明方法に用いられる表皮材(13)としては、織布、
不織布、金属、繊維、熱可塑性樹脂のネット、紙、金属
フォイルや熱可塑性樹脂及び熱可塑性エラストマーのシ
ートまたはフィルムが挙げられ、またしぼ等の凹凸模
様、印刷、染色等で加飾されたもの、あるいは発泡体を
用いてもよい。As the skin material (13) used in the method of the present invention, a woven fabric,
Non-woven fabrics, metals, fibers, thermoplastic resin nets, papers, sheets or films of metal foils and thermoplastic resins and thermoplastic elastomers, and patterns decorated with uneven patterns such as grain, printing, dyeing, etc., Alternatively, a foam may be used.
さらにこれらの単独もしくは２種以上を接着剤等を用い
て積層した積層品の形態にて使用することも可能であ
る。これら表皮材(13)の使用にあたっては表皮材(13)の
引張応力、伸びを調整するため供給に先立って予備加熱
を行ってもよい。Further, these may be used alone or in the form of a laminated product in which two or more kinds are laminated by using an adhesive or the like. When these skin materials (13) are used, preheating may be performed prior to supply in order to adjust the tensile stress and elongation of the skin material (13).
この発明方法に用いられる合成樹脂(17)としては圧縮成
形、射出成形及び押出し成形において通常使用されてい
るものをいずれも用いることができ、例えばポリプロピ
レン、ポリエチレン、ポリスチレン、アクリロニトリル
−スチレン−ブタジエンブロック共重合体、ナイロン等
の熱可塑性樹脂、エチレン−プロピレンブロック共重合
体、スチレン−ブタジエンブロック共重合体等の熱可塑
性エラストマー等の非発泡性または発泡性樹脂、および
これらに無機質充填剤、ガラス繊維等の充填剤、顔料、
滑剤、帯電防止剤等の添加剤を含有したものを用いるこ
とができる。As the synthetic resin (17) used in the method of the present invention, any of those usually used in compression molding, injection molding and extrusion molding can be used, and examples thereof include polypropylene, polyethylene, polystyrene, acrylonitrile-styrene-butadiene block copolymers. Polymers, thermoplastic resins such as nylon, non-foaming or foaming resins such as ethylene-propylene block copolymers, thermoplastic elastomers such as styrene-butadiene block copolymers, and inorganic fillers, glass fibers, etc. Fillers, pigments,
A material containing additives such as a lubricant and an antistatic agent can be used.
以下に記す変更例１乃至変更例３は雄型(2)と雌型(3)と
表皮材固定枠(4)との位置関係等を変えたものである
が、基本的には実施例に述べたものと同様の構成、効果
を有す。Modifications 1 to 3 described below are different in the positional relationship between the male mold (2), the female mold (3), and the skin material fixing frame (4), etc. It has the same structure and effects as those described above.
（変更例１） 第10図乃至第16図はこの発明方法及び発明装置の変更例
１を説明する断面図（第11図は第10図のＡ−Ａ線断面
図）で、表皮材固定枠(4)は上方に位置する雄型(2)に移
動自在に取付けられ、一方分割枠(6)は下方に位置する
雌型(3)に取付けられている。(Modification 1) FIGS. 10 to 16 are sectional views (Modification 1 of the invention method and apparatus) for explaining the modification 1 (FIG. 11 is a sectional view taken along line AA of FIG. 10). (4) is movably attached to the male die (2) located above, while the dividing frame (6) is attached to the female die (3) located below.
分割枠(6)は複数の分割部(10)からなり、分割部(10)は
複数のあり溝(10e)と内面(10a)全周に亙る切断刃(20)と
を有す。The dividing frame (6) is composed of a plurality of dividing portions (10), and the dividing portion (10) has a plurality of dovetail grooves (10e) and a cutting blade (20) all around the inner surface (10a).
移動機構(7)は雌型(3)から突設するあり(3b)とこのあり
(3b)に摺動するあり溝(10e)と、雌型(3)に具設する駆動
伸縮装置(12A)と板(21)とからなる。The moving mechanism (7) is projected from the female mold (3).
It comprises a dovetail groove (10e) that slides on (3b), a drive expansion / contraction device (12A) and a plate (21) provided in the female mold (3).
この変更例１の金型装置(1)によりこの発明方法は以下
の乃至の工程により実施される。The method of the present invention is carried out by the mold apparatus (1) of the first modification according to the following steps.
表皮材(13)を分割枠(6)上に載置する（第10図参
照）。この時分割枠(6)はすでに各分割部(10)間にわず
かな隙間を残して集合している。即ち分割部(10)の内面
(10a)は雌型(3)のキャビィティ内方に位置している。Place the skin material (13) on the dividing frame (6) (see FIG. 10). At this time, the dividing frames (6) are already assembled with a slight gap left between the dividing portions (10). That is, the inner surface of the dividing part (10)
(10a) is located inside the cavity of the female mold (3).
次いで、伸縮装置(5)（この場合の伸縮装置(5)は空圧
シリンダ、油圧シリンダが採用できる）により表皮材固
定枠(4)と分割枠(6)との間で表皮材(13)の周縁(16)を狭
持した後、この表皮材(13)と雄型(2)との間に熔融樹脂
を金型装置(1)の外部から供給する（第12図参照）。Then, the expansion / contraction device (5) (in this case, the expansion / contraction device (5) can be a pneumatic cylinder or a hydraulic cylinder) is used to cover the skin material (13) between the skin material fixing frame (4) and the dividing frame (6). After holding the peripheral edge (16) of the mold, a molten resin is supplied from the outside of the mold device (1) between the skin material (13) and the male mold (2) (see FIG. 12).
直ちに昇降機構を作動させると、伸縮装置(5)が縮み
ながら雄型(2)が下降して熔融樹脂(15)が流動して表皮
材(13)を雌型(3)側に押圧しこれに伴い表皮材(13)が表
皮材固定枠(4)と分割枠(6)との間をすべりつつ伸びつつ
雌型(3)側の凹部に絞り込まれる（第13図参照）。Immediately when the lifting mechanism is operated, the expansion device (5) contracts, the male mold (2) descends, the molten resin (15) flows, and the skin material (13) is pressed against the female mold (3) side. Along with this, the skin material (13) slides between the skin material fixing frame (4) and the split frame (6) and extends while being narrowed down into the concave portion on the female die (3) side (see FIG. 13).
さらに雄型(2)が下降しつづけると実施例と同様に賦
形成形が完了する（第14図参照）。Further, when the male mold (2) continues to descend, the shaping process is completed as in the embodiment (see FIG. 14).
合成樹脂(17)が硬化した後型締力を少し取り除いて、
駆動伸縮装置(12A)により分割部(10)をさらに雌型(3)の
キャビィティ内方へ移動押圧すると分割部(10)は完全に
集合し切断刃(20)が表皮材(13)を切断する（第15図参
照）。After the synthetic resin (17) has hardened, remove the mold clamping force a little,
The drive expansion / contraction device (12A) moves the dividing part (10) further inward into the female mold (3), and when pressed, the dividing parts (10) completely gather and the cutting blade (20) cuts the skin material (13). (See Figure 15).
型締力を完全に取り除くと雌型(3)は上方に移動し、
次いで駆動伸縮装置(12A)が伸長するとあり溝(10e)があ
り(3b)に摺動して分割部(10)の内面(10a)が雌型(3)のキ
ャビィティ外方まで移動し積層体(18)を取り出す（第16
図参照）。When the mold clamping force is completely removed, the female mold (3) moves upward,
Next, when the drive expansion device (12A) is extended, there is a dovetail groove (10e) and there is a groove (3b), the inner surface (10a) of the dividing part (10) moves to the outside of the cavity of the female die (3), and the laminated body is formed. Take out (18) (16th
See figure).
この変更例１では移動機構(7)にバネではなく駆動伸縮
装置(12A)を用いたので金型装置(1)に寸法精度をそれ程
必要としない。又、切断刃を設けたので同一装置で表皮
材の切断が可能である。In the first modification, since the moving mechanism (7) uses the drive expansion / contraction device (12A) instead of the spring, the mold device (1) does not require so much dimensional accuracy. Further, since the cutting blade is provided, the skin material can be cut with the same device.
（変更例２） 第17図乃至第19図はこの発明方法及び発明装置に係る変
更例２を説明する断面図で、表皮材固定枠(4)及び分割
枠(6)は下方に位置する雌型(3)側に移動自在に取付けら
れ、一方雄型(2)は上方に位置する。(Modification 2) FIGS. 17 to 19 are sectional views for explaining Modification 2 according to the method and device of the present invention, in which the skin material fixing frame (4) and the dividing frame (6) are located below It is movably mounted on the mold (3) side, while the male mold (2) is located above.
この変更例２の金型装置(1)によりこの発明方法を実施
する場合は、第17図示する如く、分割枠(6)上に表皮材
(13)を載置し、その後第18図示する如く表皮材(13)の周
縁(16)を表皮材固定枠(4)と分割枠(6)との間で狭持しそ
の後雄型(2)を下降させ、第19図示する如く熔融樹脂(1
1)を供給し型締めして賦形成形を行う。When the method of the present invention is carried out by the mold device (1) of the second modification, as shown in the seventeenth illustration, the skin material is provided on the dividing frame (6).
(13) is placed, and then the peripheral edge (16) of the skin material (13) is sandwiched between the skin material fixing frame (4) and the dividing frame (6) as shown in FIG. ), And melted resin (1
1) is supplied and the mold is clamped to perform the shaping.
（変更例３） 第20図はこの発明方法及びこの発明装置に係る変更例３
を説明する断面図で、上方に位置する雌型(3)に取付け
られた分割枠(6)とこの雌型(3)側に移動自在に取付けら
れた表皮材固定枠(4)との間で表皮材(13)の周縁(16)を
狭持するものである。尚、(22)は空圧スプリング装置で
ある。(Modification 3) FIG. 20 shows a modification 3 according to the method and the device of the present invention.
FIG. 2 is a cross-sectional view for explaining the structure between the split frame (6) attached to the female mold (3) located above and the skin material fixing frame (4) movably attached to the female mold (3) side. It holds the peripheral edge (16) of the skin material (13). Incidentally, (22) is a pneumatic spring device.
この変更例３の金型装置(1)によりこの発明方法を実施
する場合は、第20図示する如く表皮材固定枠(4)の上に
表皮材(13)を載置し、次いで雌型(3)を下降させ表皮材
(13)を分割枠(6)と表皮材固定枠(4)とで狭持し、その後
雄型(2)に設けられた熔融樹脂径路（図示せず）から表
皮材固定枠(4)と雄型(2)との間に熔融樹脂(15)を供給し
型締して賦形成形する。When the method of the present invention is carried out by the mold device (1) of the third modification, the skin material (13) is placed on the skin material fixing frame (4) as shown in FIG. 20, and then the female mold ( 3) Lower the skin material
(13) is sandwiched between the split frame (6) and the skin material fixing frame (4), and then the skin resin fixing frame (4) is transferred from the molten resin path (not shown) provided in the male mold (2). A molten resin (15) is fed between the male mold (2) and the mold is clamped to form a shape.
この発明方法及びこの発明装置において、金型装置(1)
の分離方向（型締方向）は必ずしも以上に説明した上下
方向に限定されるものではなく、例えば水平方向であっ
ても良い。この場合には熔融樹脂(15)が金型装置(1)か
ら流出しないよう金型装置(1)をある程度型締めした後
熔融樹脂(15)を供給するか、若しくは熔融樹脂(15)の受
け台を設け型締めする前に熔融樹脂(15)を供給する。In this invention method and this invention device, a mold device (1)
The separating direction (mold clamping direction) is not necessarily limited to the vertical direction described above, and may be, for example, the horizontal direction. Is this case supplying a molten resin (15) was somewhat clamping the mold device (1) so that the molten resin (15) does not flow out from the mold apparatus (1), or receiving the molten resin (15) The molten resin (15) is supplied before the mold is clamped on the table.
（発明の効果） 以上詳述した如くこの発明方法は雄型と雌型とを有す金
型装置の雄型側または雌型側に移動自在に取付けられ、
かつ雄型の外側面が全周に亙って摺動する摺動面を有す
る表皮材固定枠と雌型側に取付けられ雌型の表皮材固定
枠に対向する面に摺動する分割枠との間に表皮材を配設
し、この表皮材固定枠と分割枠との間で表皮材の周縁を
狭持した後、前記雌型及び雄型を型締めするとともに表
皮材を賦形し前記表皮材を敷設した後型締完了前に前記
表皮材と雄型との間に所要の熔融樹脂径路から熔融樹脂
を供給し熔融樹脂の成形を行うこととしたから接着剤を
必要としない上に簡略な作業工程で極めて量産に適し、
表皮材にシワや破れがなく、かつ表皮材の折り返し部に
シワが少ない良好な外観を備えた積層体を製造すること
ができるとともに合成樹脂の成形が射出成形法でないた
め、配向等による残留応力が少なく、ねじれ等の変形の
少ない積層体が得られるという効果を持つ。(Effects of the Invention) As described in detail above, the method of the present invention is movably attached to a male side or a female side of a die device having a male die and a female die,
And a skin material fixing frame having a sliding surface on which the outer surface of the male mold slides over the entire circumference, and a split frame which is attached to the female mold side and slides on a surface facing the female material skin fixing frame. A skin material is arranged between the two, and after sandwiching the peripheral edge of the skin material between the skin material fixing frame and the dividing frame, the female mold and the male mold are clamped and the skin material is shaped, After laying the skin material and before completing the mold clamping, the melt resin is supplied from the required melt resin path between the skin material and the male mold to form the melt resin. Very suitable for mass production with a simple work process,
It is possible to produce a laminate with a good appearance, which has no wrinkles or tears in the skin material and has few wrinkles in the folded portion of the skin material, and because the molding of synthetic resin is not an injection molding method, residual stress due to orientation etc. And a laminated body having less deformation such as twisting can be obtained.
また、この発明に係る金型装置は、少なくとも雄型と雌
型と表皮材固定枠と伸縮装置と分割枠と移動機構とから
なり、この表皮材固定枠が前記雄型側または雌型側に伸
縮装置により移動自在に取付けられ、雄型の外側面が全
周に亙って摺動する摺動面を有し、かつ前記分割枠が雌
型側に取付けられ、移動機構により集合分散自在に雌型
の表皮材固定枠に対向する面に摺動し、この分割枠の内
面が集合時に雌型のキャビィティ内方に位置し、分散時
に雌型のキャビィティ外方に位置することとしたから別
途表皮材の折り返し機械を必要としない上、上記効果を
持つ発明方法を容易に実施できるという効果を持つ。Further, the mold device according to the present invention comprises at least a male mold, a female mold, a skin material fixing frame, an expansion / contraction device, a dividing frame, and a moving mechanism, and the skin material fixing frame is provided on the male mold side or the female mold side. It is movably attached by an expansion and contraction device, the male outer surface has a sliding surface that slides over the entire circumference, and the dividing frame is attached to the female side so that it can be assembled and dispersed by a moving mechanism. Sliding on the surface facing the female skin fixing frame, the inner surface of this dividing frame was located inside the female cavity at the time of assembly, and was located outside the female cavity at the time of dispersion, so it was decided separately. It has the effect that a machine for folding back the skin material is not required and that the invention method having the above effects can be easily carried out.
尚、この発明方法によれば合成樹脂の賦形に要する有効
圧力が小さいため表皮材に発泡シートを用いた場合には
発泡層の圧潰が防止され、起毛処理織布の場合には起毛
部の倒れが防止できるなど積層体における好ましい風合
を保持しうる。According to the method of the present invention, since the effective pressure required for shaping the synthetic resin is small, the foam layer is prevented from being crushed when the foam sheet is used as the skin material, and in the case of the nap treated fabric, It is possible to maintain a preferable texture in the laminate, such as preventing the falling.
第１図乃至第20図はこの発明方法及び発明装置の一実施
例及び変更例１乃至変更例３を説明する図である。 第１図乃至第９図は一実施例を説明する図で第１図は断
面図、第２図は第１図のＡ−Ａ線矢視図、第３図は第１
図のＢ−Ｂ線矢視図、第４図は断面図、第５図は断面
図、第６図は第２図の変化図、第７図は断面図、第８図
は断面図、第９図は断面図である。 第10図乃至第16図は変更例１を説明する図で第10図は断
面図、第11図は第10図のＡ−Ａ線断面図、第12図は断面
図、第13図は断面図、第14図は断面図、第15図は断面
図、第16図は断面図である。第17図乃至第19図は変更例
２を説明する図で第17図は断面図、第18図は断面図、第
19図は断面図である。 第20図は変更例３を説明する断面図である。 第21図は従来の積層体の断面図、第22図は従来の積層体
の断面図である。(2) ……金型装置、(2)……雄型 (3)……雌型、(4)……表皮材固定枠 (5)……伸縮装置、(6)……分割枠(7) ……移動機構、(8)……摺動面 (9)……外側面、(13)……表皮材 (15)……熔融樹脂、(18)……積層体1 to 20 are views for explaining one embodiment of the method and device of the present invention and Modifications 1 to 3. 1 to 9 are views for explaining one embodiment, FIG. 1 is a sectional view, FIG. 2 is a view taken along the line AA of FIG. 1, and FIG.
FIG. 4 is a sectional view, FIG. 5 is a sectional view, FIG. 6 is a change diagram of FIG. 2, FIG. 7 is a sectional view, FIG. 8 is a sectional view, and FIG. FIG. 9 is a sectional view. FIGS. 10 to 16 are views for explaining the modified example 1. FIG. 10 is a sectional view, FIG. 11 is a sectional view taken along the line AA of FIG. 10, FIG. 12 is a sectional view, and FIG. 13 is a sectional view. FIG. 14 is a sectional view, FIG. 15 is a sectional view, and FIG. 16 is a sectional view. 17 to 19 are views for explaining the second modification, wherein FIG. 17 is a sectional view, FIG. 18 is a sectional view, and FIG.
FIG. 19 is a sectional view. FIG. 20 is a cross-sectional view illustrating the third modification. FIG. 21 is a sectional view of a conventional laminated body, and FIG. 22 is a sectional view of a conventional laminated body. (2) ...... Mold device, (2) …… Male mold (3) …… Female mold, (4) …… Surface material fixing frame (5) …… Expansion device, (6) …… Split frame (7 ) …… Movement mechanism, (8) …… Sliding surface (9) …… Outside surface, (13) …… Skin material (15) …… Melting resin, (18) …… Laminate
フロントページの続き (72)発明者 三井 清志 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 細川 敏宏 大阪府和泉市池田下町2840番地 株式会社 細川製作所内 (72)発明者 石坪 隆一 大阪府和泉市池田下町2840番地 株式会社 細川製作所内Front page continuation (72) Inventor Kiyoshi Mitsui 2-10-1 Tsukahara, Takatsuki City, Osaka Prefecture Sumitomo Kagaku Kogyo Co., Ltd. 72) Inventor Ryuichi Ishitsubo 2840 Ikeda Shitamachi, Izumi City, Osaka Prefecture Hosokawa Manufacturing Co., Ltd.
Claims (8)
は雌型側に移動自在に取付けられ、かつ雄型の外側面が
全周に亙って摺動する摺動面を有する表皮材固定枠と雌
型側に取付けられ雌型の表皮材固定枠に対向する面に摺
動する分割枠との間に表皮材を配設し、この表皮材固定
枠と分割枠との間で表皮材の周縁を狭持した後、前記雌
型及び雄型を型締めするとともに表皮材を賦形し前記表
皮材を敷設した後型締完了前に前記表皮材と雄型との間
に所要の熔融樹脂径路から熔融樹脂を供給し熔融樹脂の
成形を行い、かつ前記分割枠が少なくとも前記表皮材狭
持時若しくは狭持前に雌型キャビィティ内方まで摺動集
合し、成形完了後に雌型キャビィティ外方まで摺動分散
することを特徴とする折り返し部を有する表皮材と合成
樹脂よりなる積層体の製造方法。1. A slide which is movably attached to a male side or a female side of a mold device having a male die and a female die, and an outer surface of the male die slides over the entire circumference. A skin material is disposed between a skin material fixing frame having a surface and a split frame which is attached to the female mold side and slides on the surface facing the female skin material fixing frame. After sandwiching the peripheral edge of the skin material between and, after clamping the female mold and the male mold and laying the skin material and laying the skin material, the skin material and the male mold before completion of mold clamping. The molten resin is supplied from the required molten resin path between the two to mold the molten resin, and the dividing frame slides and gathers at least to the inside of the female type cavity when the skin material is clamped or before it is clamped. A laminate made of a synthetic resin and a skin material having a folded portion characterized by slidingly dispersed to the outside of the female cavity after completion The method of production.
縮装置と分割枠と移動機構とからなり、この表皮材固定
枠が前記雄型側または雌型側に伸縮装置により移動自在
に取付けられ、雄型の外側面が全周に亙って摺動する摺
動面を有し、かつ前記分割枠が雌型側に取付けられ、移
動機構により集合分散自在に雌型の表皮材固定枠に対向
する面に摺動し、この分割枠の内面が集合時に雌型のキ
ャビィティ内方に位置し、分散時に雌型のキャビィティ
外方に位置することを特徴とする金型装置。2. At least a male mold, a female mold, a skin material fixing frame, an expansion / contraction device, a dividing frame and a moving mechanism, and the skin material fixing frame is movable to the male mold side or the female mold side by the expansion / contraction device. Attached, the outer surface of the male die has a sliding surface that slides around the entire circumference, and the dividing frame is attached to the female die side, and the female skin material is fixed by the moving mechanism so that it can be aggregated and dispersed. A mold apparatus which slides on a surface facing a frame, an inner surface of the divided frame being located inside a female cavity at the time of assembly and located outside a female cavity at the time of dispersion.
られた表皮材固定枠と上方に位置する雌型に取付けられ
ら分割枠との間で表皮材の周縁を狭持することを特徴と
する特許請求の範囲第１項記載の積層体の製造方法。3. A method for holding a peripheral edge of a skin material between a skin material fixing frame movably mounted on a male mold side located below and a split frame mounted on a female mold located above. The method for producing a laminate according to claim 1, which is characterized in that.
られた表皮材固定枠と下方に位置する雌型に取付けられ
た分割枠との間で表皮材の周縁を狭持することを特徴と
する特許請求の範囲第１項記載の積層体の製造方法。4. A peripheral edge of a skin material is sandwiched between a skin fixing frame that is movably mounted on an upper male mold side and a dividing frame that is mounted on a lower female mold. The method for producing a laminate according to claim 1, which is characterized in that.
とこの雌型側に移動自在に取付けられた表皮材固定枠と
の間で表皮材の周縁を狭持することを特徴とする特許請
求の範囲第１項記載の積層体の製造方法。5. A peripheral edge of a skin material is sandwiched between a dividing frame attached to a female mold located below and a skin material fixing frame movably attached to the female mold side. The method for producing a laminate according to claim 1.
とこの雌型側に移動自在に取付けられた表皮材固定枠と
の間で表皮材の周縁を狭持することを特徴とする特許請
求の範囲第１項記載の積層体の製造方法。6. A peripheral edge of a skin material is sandwiched between a dividing frame mounted on a female mold located above and a skin material fixing frame movably mounted on the female mold side. The method for producing a laminate according to claim 1.
じて熔融樹脂を供給することを特徴とする特許請求の範
囲第(3)項乃至第(6)項いずれか一つに記載の積層体の製
造方法。7. A laminate according to any one of claims (3) to (6), characterized in that the molten resin is supplied through a molten resin path provided inside the male mold. Body manufacturing method.
融樹脂径路を通じて供給されることを特徴とする特許請
求の範囲第(3)項乃至第(6)項いずれか一つに記載の積層
体の製造方法。8. The molten resin is supplied through a molten resin path provided outside the mold device, according to any one of claims (3) to (6). Of the laminated body of.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26108884A JPH0611499B2 (en) | 1984-12-10 | 1984-12-10 | Laminated body manufacturing method and mold apparatus therefor |
| DE8585115566T DE3582572D1 (en) | 1984-12-07 | 1985-12-06 | METHOD AND DEVICE FOR PRODUCING A LAYERED BODY. |
| DE8585115565T DE3582571D1 (en) | 1984-12-07 | 1985-12-06 | METHOD AND DEVICE FOR PRODUCING A LAYERED BODY. |
| EP19850115566 EP0186016B1 (en) | 1984-12-07 | 1985-12-06 | A method of making a laminated body and a molding apparatus for the same |
| EP19850115565 EP0186015B1 (en) | 1984-12-07 | 1985-12-06 | A method of making a laminated body and a molding apparatus for the same |
| CA000497069A CA1293604C (en) | 1984-12-10 | 1985-12-06 | Method of making a laminated body and a molding apparatus for the same |
| US07/458,401 US5238640A (en) | 1984-12-10 | 1989-12-28 | Method of manufacturing a laminated body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26108884A JPH0611499B2 (en) | 1984-12-10 | 1984-12-10 | Laminated body manufacturing method and mold apparatus therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61137714A JPS61137714A (en) | 1986-06-25 |
| JPH0611499B2 true JPH0611499B2 (en) | 1994-02-16 |
Family
ID=17356913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26108884A Expired - Lifetime JPH0611499B2 (en) | 1984-12-07 | 1984-12-10 | Laminated body manufacturing method and mold apparatus therefor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0611499B2 (en) |
| CA (1) | CA1293604C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2968896B2 (en) * | 1993-02-16 | 1999-11-02 | 高島屋日発工業株式会社 | Method for producing skin-integrated laminate and mold apparatus used for the same |
| US5795526A (en) * | 1993-02-19 | 1998-08-18 | Sumitomo Chemical Company, Limited | Process for producing multilayer molded article |
| DE69410935T2 (en) * | 1993-02-19 | 1998-10-08 | Sumitomo Chemical Co | MOLDING METHOD FOR PRODUCING MULTILAYER ITEMS |
| KR102452776B1 (en) * | 2015-04-16 | 2022-10-07 | 미츠비시 가스 가가쿠 가부시키가이샤 | Method for producing a molded article by press molding of a thermoplastic resin sheet or film |
-
1984
- 1984-12-10 JP JP26108884A patent/JPH0611499B2/en not_active Expired - Lifetime
-
1985
- 1985-12-06 CA CA000497069A patent/CA1293604C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61137714A (en) | 1986-06-25 |
| CA1293604C (en) | 1991-12-31 |
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| EXPY | Cancellation because of completion of term |