JP2931236B2 - Resin molding and method for producing the same - Google Patents
Resin molding and method for producing the sameInfo
- Publication number
- JP2931236B2 JP2931236B2 JP18835695A JP18835695A JP2931236B2 JP 2931236 B2 JP2931236 B2 JP 2931236B2 JP 18835695 A JP18835695 A JP 18835695A JP 18835695 A JP18835695 A JP 18835695A JP 2931236 B2 JP2931236 B2 JP 2931236B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- skin material
- resin
- mold
- molding
- 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 - Fee Related
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
- B29C45/1671—Making multilayered or multicoloured articles with an insert
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14901—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明はインストルメントパ
ネル、ドアートリム、コンナソールボックス等の樹脂成
形体とその製造方法に係り、詳しくは表皮材を樹脂製の
芯体に部分的に貼合せて一体に成形した樹脂成形体とそ
の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin molded product such as an instrument panel, a door trim, and a console box, and a method of manufacturing the same. More specifically, a skin material is partially adhered to a resin core to be integrally formed. The present invention relates to a molded resin article and a method for producing the same.
【0002】[0002]
【従来の技術】自動車の内装品であるインストルメント
パネル、ドアートリム、コンソールボックス等の樹脂成
形体の製造方法としては、塩化ビニルとABS樹脂のブ
レンド樹脂をシート状に押し出した後、エッチング絞り
ロールによって模様を付け、これを真空成形によって賦
形した表皮材と、射出成形やスタンピング成形で賦形し
た芯材(基材)とをウレタン発泡型に設置した後、発泡
ウレタンを注入して一体成形する方法が主流であった。2. Description of the Related Art As a method of manufacturing a resin molded body such as an instrument panel, a door trim, a console box, etc., which is an interior part of an automobile, a resin blend of vinyl chloride and ABS resin is extruded into a sheet shape, and then etched by a drawing roll. A pattern is formed, and a skin material formed by vacuum forming and a core material (base material) formed by injection molding or stamping are placed in a urethane foam mold, and then urethane foam is injected and integrally molded. The method was mainstream.
【0003】この方法の問題点としては、エッチング絞
りのために、充分な皮絞り感が出現しないことや、真空
成形によるシートの延伸によって、絞りが拡大して浅く
なる等の意匠上の問題や、また部品のリサイクルを考え
た場合、上記3層構造の分離が容易に行うことができ
ず、その廃棄物処理の費用も増大する問題があった。更
には、上記工法は表皮成形、芯材成形、そして発泡成形
と3工程からなるため、とりわけ製品のソフト感を得る
ための発泡成形には、コストがかかり過ぎるという評価
もあった。[0003] The problems of this method include design problems such as insufficient squeezing feeling due to the etching squeezing, and the drawing being enlarged and shallow due to stretching of the sheet by vacuum forming. In addition, when considering recycling of parts, there is a problem that the three-layer structure cannot be easily separated, and the cost of waste disposal increases. Furthermore, since the above-mentioned method comprises three steps of skin molding, core material molding, and foam molding, it has been evaluated that foam molding, especially for obtaining a soft feeling of the product, is too costly.
【0004】そこで、脱ウレタン工法として、低圧によ
り歪みが少なく、変形の少ない成形品を得る方法とし
て、注入プレス成形法、あるいはSPモールド(Low
Strain Molding Process)と
呼ばれるものが採用されている。これは、カレンダーあ
るいは押出成形されたシートにEPPの裏打ちされた複
合シートを真空成形により賦形し、射出成形型の雌型に
セットして型締め動作中に金型内に溶融樹脂を供給しプ
レス圧により表皮材と芯材とを一体成形するものであ
る。[0004] Therefore, as a urethane removal method, a method of obtaining a molded article with less distortion and less deformation due to low pressure is performed by an injection press molding method or an SP mold (Low).
What is called Strain Molding Process) is adopted. This involves forming a composite sheet lined with EPP on a calender or extruded sheet by vacuum forming, setting it in a female mold of an injection mold, and supplying molten resin into the mold during the mold clamping operation. The skin material and the core material are integrally formed by pressing pressure.
【0005】一方、本皮絞り感の再現方法として、従来
から電鋳型を使用したスラッシュ成形表皮があり、当工
法を使用した塩化ビニル製表皮、塩化ビニル製発泡体、
そして芯体の一体発泡品が優れた絞り感のある製品とし
て採用されてきた。On the other hand, as a method for reproducing the feeling of squeezing the skin, there has been a slash-molded skin using an electroforming mold, and a vinyl chloride skin, a vinyl chloride foam using this method,
And the integral foam of the core body has been adopted as a product having an excellent squeezing feeling.
【0006】[0006]
【発明が解決しようとする課題】しかしながら、上記成
形法のうちSPモールド法の欠点としては、表皮材の部
分貼り合わせ部において樹脂の露出部が大きいか、又
は、製品形状が複雑で形状的に溶融樹脂の回りにくい部
分があるときは、その適当な位置にゲートを設定する必
要があるが、その際通常ゲート周辺にリングマークや、
つやむら等の外観不良が発生する。However, one of the disadvantages of the SP molding method among the above molding methods is that the exposed portion of the resin is large in the partial bonding portion of the skin material, or the product shape is complicated and the shape is difficult. When there is a part where the molten resin is difficult to rotate, it is necessary to set a gate at an appropriate position, but at that time, usually a ring mark around the gate,
Poor appearance such as uneven gloss occurs.
【0007】更に、金型構造としては、型締め前に樹脂
供給を行うため、製品に貫通穴(開口部)を成形時に設
定するには型締め前に貫通穴部に流れてくる樹脂をシー
ルすべく特殊な入れ子を設置する必要があり、これが取
付穴等を含む全ての開口部に必要となってくる。又、表
皮貼り合わせのない樹脂露出部においても表皮貼り合わ
せ部と同様に外周に喰い切り形状を必要とし型費用の増
加を招く。Further, in the mold structure, the resin is supplied before the mold is clamped. Therefore, in order to set a through hole (opening) in the product at the time of molding, the resin flowing into the through hole before the mold clamp is sealed. It is necessary to install a special nest as much as possible, and this is necessary for all openings including mounting holes and the like. Further, even in the exposed resin portion where the skin is not bonded, a cut-out shape is required on the outer periphery similarly to the skin bonded portion, and the mold cost is increased.
【0008】本発明はこのような問題点を改善するもの
であり、芯体の構成を表皮材の貼り合わせの有無によっ
て変えることにより、製品の外観品質の改善と型費用の
低減及び表皮材を芯材に強固に密着したソフト感を出す
ことのできる樹脂成形体とその製造方法を提供すること
を目的とする。The present invention has been made to solve such a problem. By changing the structure of the core body depending on the presence or absence of the skin material, the appearance quality of the product can be improved, the mold cost can be reduced, and the skin material can be reduced. An object of the present invention is to provide a resin molded body capable of giving a soft feeling firmly adhered to a core material and a method for producing the same.
【0009】[0009]
【課題を解決するための手段】即ち、本発明の特徴とす
るところは、樹脂製芯体の表面に部分的に表皮材を一体
成形して貼り合わせた樹脂成形体において、該芯材が表
皮材を貼り合わせた低圧圧縮成形の芯材と表皮材を貼り
合わせていない高圧圧縮成形の芯材とで結合し、さらに
該表皮材の端部が、低圧圧縮成形の芯体の凹部であって
高圧射出成形の 芯体に面した凹部に収容されることを特
徴とする樹脂成形体にある。 That is, a feature of the present invention resides in a resin molded product obtained by integrally forming a skin material on a surface of a resin core body and bonding the core material to the surface thereof. bound in the core of the high-pressure compression molding is not stuck to the core material and the skin material of the low-pressure compression molding by bonding the wood, further
The end of the skin material is a concave portion of a core body of low pressure compression molding,
It is housed in the recess facing the core of high pressure injection molding.
It is a characteristic resin molded article.
【0010】更に、本発明は、樹脂製芯体の表面に部分
的に表皮材を一体成形して貼り合わせた樹脂成形体の製
造方法において、一方の型に表皮材を部分的に配設し、
未閉鎖の雌型と雄型間に溶融樹脂を供給し、雌型と雄型
を閉じて溶融樹脂をキャビティ内に押し広げ加圧して賦
形しさらに雌型に設けた突起部によって溶融樹脂を流動
阻止し、型表面と表皮材との間に侵入させないようにし
て表皮材と芯材とを一体成形した後、製品相当部以外の
サイドゲートより閉鎖された雌型と雄型間のキャビティ
内に溶融樹脂を高圧で射出成形して芯体を成形し前記低
圧圧縮成形の芯体と結合したことを特徴とする樹脂成形
体の製造方法も含む。Further, the present invention relates to a method of manufacturing a resin molded article in which a skin material is integrally formed on a surface of a resin core body and bonded together, wherein the skin material is partially disposed in one of the molds. ,
The molten resin is supplied between the unclosed female mold and the male mold, the female mold and the male mold are closed, the molten resin is pushed into the cavity, expanded and pressed, and the molten resin is formed by the protrusions provided on the female mold. flow
To prevent intrusion between the mold surface and the skin material.
After integrally molding the skin material and the core material, the molten resin is injection-molded at a high pressure into the cavity between the female mold and the male mold closed from the side gate other than the product equivalent part to form the core body, The present invention also includes a method for producing a resin molded product, which is characterized by being combined with a compression molded core.
【0011】[0011]
【発明の実施の形態】以下、本発明の樹脂成形体及びそ
の製造方法を添付図面に基づいて詳細に説明する。図1
は本発明に係る樹脂成形体の基本概念を説明するための
斜視図である。1は樹脂成形体の一例であって、この樹
脂成形体は芯体の表面に部分的(図1では右半分)に表
皮材を貼り合わせており、残りの部分は表皮材の貼り合
わせのない芯体露出部3を有する構造を呈したものであ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a resin molded product of the present invention and a method for producing the same will be described in detail with reference to the accompanying drawings. FIG.
FIG. 1 is a perspective view for explaining a basic concept of a resin molded body according to the present invention. Reference numeral 1 denotes an example of a resin molded body, and the resin molded body has a skin material partially adhered to the surface of the core body (the right half in FIG. 1), and the remaining portion has no skin material adhered. It has a structure having a core exposed portion 3.
【0012】この樹脂成形体1の芯体4、5の材質は同
じであるが成形方法が異なっており、即ち、表皮材貼り
合わせ側の芯体4は低圧圧縮成形法であり、表皮材の貼
り合わせのない芯体露出部側の芯体5は高圧射出成形法
であって、中心部に製品の開口部となる通し穴6が設け
られている。The materials of the cores 4 and 5 of the resin molded body 1 are the same, but the molding method is different, that is, the core 4 on the side where the skin material is bonded is a low pressure compression molding method. The core 5 on the exposed side of the core without bonding is formed by a high-pressure injection molding method, and a through hole 6 serving as an opening of a product is provided at the center.
【0013】ここで表皮材2は、熱可塑性エラストマー
の粉砕物をスラッシュ成形して得られた表皮材、塩化ビ
ニール樹脂をパウダースラッシュ成形して得られた表皮
材、あるいは塩化ビニール樹脂とABS樹脂を混合した
シート材を真空成形して得られた表皮材のいずれかであ
る。又、芯体4、5の材質はポリプロピレン、ABS、
ポリスチレン樹脂等からなる。Here, the skin material 2 is a skin material obtained by slush-molding a pulverized thermoplastic elastomer, a skin material obtained by powder slush-molding a vinyl chloride resin, or a vinyl chloride resin and an ABS resin. Any of the skin materials obtained by vacuum forming the mixed sheet material. The materials of the cores 4 and 5 are polypropylene, ABS,
It is made of a polystyrene resin or the like.
【0014】次に、本発明に係る樹脂成形体の製造方法
について図2〜図5にもとづいて説明する。尚、以下の
説明は雄型、雌型とも横置きであるがそれに限定する必
要はなく、雄型、雌型とも縦置きとしてもよい。図2〜
図5に示すように表皮材2は樹脂製芯体の表面に貼り合
わせて一体に成形される。まず、別途パウダースラッシ
ュ成形、または真空成形して成形された表皮材2は、図
2に示すように、雌型7に装着される。この場合、雌型
7内には型表面へ貫通した通路8が設けられ、吸引装置
9を稼動させ真空吸引することで、表皮材2が雌型7に
装着される。Next, a method for manufacturing a resin molded article according to the present invention will be described with reference to FIGS. In the following description, the male type and the female type are set horizontally, but the present invention is not limited to this. The male type and the female type may be set vertically. Figure 2
As shown in FIG. 5, the skin material 2 is bonded to the surface of the resin core and integrally formed. First, the skin material 2 separately formed by powder slush molding or vacuum molding is mounted on a female mold 7 as shown in FIG. In this case, a passage 8 penetrating into the mold surface is provided in the female mold 7, and the skin material 2 is mounted on the female mold 7 by operating the suction device 9 and performing vacuum suction.
【0015】雌型7のほぼ中央部には、型表面から突出
した突起部10が設けられ、表皮材の端部11に密接し
ている。この突起部10は製品では凹部21を形成し、
表皮材の貼り合わせ側と表皮材の貼り合わせのない樹脂
露出側との境界を形成している。一方、表皮材の貼り合
わせのない樹脂露出部側3に対応する雌型7の中心部に
は、型表面から前記突起部10よりは大きく突出した突
起12が設けられ、製品外に相当する雌型7の左端部に
は型表面に切り込み溝22が設けられている。At approximately the center of the female mold 7, a projection 10 protruding from the mold surface is provided, and is in close contact with the end 11 of the skin material. This projection 10 forms a recess 21 in the product,
A boundary is formed between the side where the skin material is bonded and the exposed side of the resin where the skin material is not bonded. On the other hand, at the center of the female mold 7 corresponding to the resin exposed portion side 3 where the skin material is not bonded, a projection 12 projecting more than the projection 10 from the mold surface is provided. At the left end of the mold 7, a cut groove 22 is provided on the surface of the mold.
【0016】他方、雄型13には、そのほぼ中央部の型
表面に雌型の突起部10を収容する凹部14を有し、ま
たその左右両側に溶融樹脂を射出するゲート15、16
を設けている。そのうちゲート15は、表皮材を貼り合
わせた製品相当部と相対応した位置にあり、又、サイド
ゲート16は、樹脂露出部側の製品相当部と相対応しな
い位置に設けられている。この場合の雌型7と雄型13
の温度は30〜40°Cである。On the other hand, the male mold 13 has a concave portion 14 for accommodating the female protrusion 10 on the surface of the mold at a substantially central portion thereof, and gates 15 and 16 for injecting molten resin to the left and right sides thereof.
Is provided. Of these, the gate 15 is located at a position corresponding to the product equivalent portion to which the skin material is attached, and the side gate 16 is provided at a position not corresponding to the product equivalent portion on the resin exposed portion side. Female 7 and Male 13 in this case
Is 30 to 40 ° C.
【0017】次いで図3に示すように、雌型7と雄型1
3を半締めの未閉鎖の状態で雄型13のゲート15から
比較的粘度の大きい溶融樹脂17を雄型13の型表面に
供給する。更に、図4に示すように、雌型7と雄型13
とを閉じて溶融樹脂17を表皮材の貼り合わせ側のキャ
ビティ18内に押し広げ、型締め面圧30〜150kg
/cm2で加圧して賦形する。この場合、溶融樹脂17
は雌型7に設けた突起部10によって流動阻止され、型
表面と表皮材2の間に侵入しない。Next, as shown in FIG.
The resin 3 having a relatively high viscosity is supplied to the mold surface of the male mold 13 from the gate 15 of the male mold 13 in a half-closed, unclosed state. Further, as shown in FIG.
And the molten resin 17 is pushed out into the cavity 18 on the side where the skin material is bonded, and the mold clamping surface pressure is 30 to 150 kg.
/ Cm 2 for shaping. In this case, the molten resin 17
Is prevented from flowing by the projections 10 provided on the female mold 7 and does not enter between the mold surface and the skin material 2.
【0018】そして、図5に示すように、もう一方のサ
イドゲート16から溶融樹脂19を高圧で射出成形し表
皮材を貼り合わせない側のキャビティ20内に充填す
る。この射出成形は前記の低圧圧縮成形完了後できるだ
け速やかに行うことが望ましい。Then, as shown in FIG. 5, a molten resin 19 is injection-molded from the other side gate 16 at a high pressure and filled into the cavity 20 on the side where the skin material is not bonded. This injection molding is desirably performed as soon as possible after the completion of the low-pressure compression molding.
【0019】その後、雌型7と雄型13とを開けて、樹
脂成形体を脱型する。得られた樹脂成形体1は、図1に
示すようにパネル状であり、表皮材2が樹脂製芯体4に
貼り合わせた低圧圧縮成形の芯体4と表皮材を貼り合わ
せない高圧射出成形の芯体5とを結合した構成になって
いる。表皮材の端部11は芯体4の凹部21に収容さ
れ、良好な外観になっている。Thereafter, the female mold 7 and the male mold 13 are opened, and the resin molded body is released. As shown in FIG. 1, the obtained resin molded body 1 has a panel shape, and a high-pressure injection molding in which a skin material 2 is bonded to a resin core 4 and a low-pressure compression molded core 4 and a skin material are not bonded. And the core body 5 of the above. The end portion 11 of the skin material is accommodated in the concave portion 21 of the core body 4 and has a good appearance.
【0020】[0020]
【発明の効果】以上のように本発明の樹脂成形体とその
製造方法では、表皮材を貼り合わせた芯体を低圧圧縮成
形法によって一体成形し、表皮材を貼り合わせない側の
芯体を高圧射出成形することにより、下記のような効果
が期待できる。芯体露出部は高圧射出成形によりサイド
ゲートの製品表面に悪影響のない構造とすることがで
き、良好な外観品質の表皮一体成形品を得る。型締め後
の射出成形により表皮材を貼り合わせない側の貫通穴に
ついて成形時に得ることができ、後仕上げのコストを低
減できるとともに、穴精度も向上できる。樹脂露出部に
ついて型での喰い切り構造が不要で、通常の射出成形の
構造を取ることができ、型費用の低減ができる。As described above, in the resin molded article and the method of manufacturing the same according to the present invention, the core body on which the skin material is bonded is integrally formed by the low-pressure compression molding method, and the core body on which the skin material is not bonded is formed. The following effects can be expected by high-pressure injection molding. The exposed portion of the core body can be made to have a structure that does not adversely affect the product surface of the side gate by high-pressure injection molding, and a skin-integrated molded product having good appearance quality can be obtained. Through-holes on the side where the skin material is not bonded can be obtained at the time of molding by injection molding after mold clamping, so that post-finishing costs can be reduced and hole precision can be improved. The exposed portion of the resin does not require a biting structure in a mold, and a normal injection molding structure can be adopted, so that the cost of the mold can be reduced.
【0021】また、雌型の表皮材を貼り合わせる側に突
起部を設けることによって溶融樹脂の流れが該突起部で
止まり、型表面と表皮材との間に溶融樹脂が侵入するよ
うなことはなく、良好な外観品質の表皮一体成形品を得
る。 Also, the female skin material is projected to the side to be bonded.
By providing the raised portion, the flow of the molten resin is
It stops and molten resin enters between the mold surface and the skin material.
There is no nagging and a skin-integrated molded product with good appearance quality is obtained
You.
【図1】本発明にかかる樹脂成形体の斜視図である。FIG. 1 is a perspective view of a resin molded body according to the present invention.
【図2】表皮材を雌型に装着する工程を示す。FIG. 2 shows a step of attaching a skin material to a female mold.
【図3】雌型と雄型を未閉鎖の状態で雄型のゲートから
溶融樹脂を雄型の型表面に供給する工程を示す。FIG. 3 shows a step of supplying molten resin from the male gate to the male mold surface in a state where the female mold and the male mold are not closed.
【図4】雌型と雄型とを閉じて溶融樹脂をキャビティ内
に押し拡げる工程を示す。FIG. 4 shows a step of closing the female mold and the male mold and forcing the molten resin into the cavity.
【図5】雌型と雄型とを閉じて状態で残りのキャビティ
内に溶融樹脂を射出成形する工程を示す。FIG. 5 shows a step of injection-molding a molten resin into the remaining cavity with the female mold and the male mold closed.
1 樹脂成型体 2 表皮材 3 芯体露出部 4 低圧圧縮成形の芯体 5 高圧射出成形の芯体 7 雌型 8 通路 10 突出部 12 突出部 13 雄型 15 ゲート 16 サイドゲート 17 溶融樹脂 18 キャビティ 19 溶融樹脂 20 キャビティ 21 凹部 22 切込み溝 DESCRIPTION OF SYMBOLS 1 Resin molded body 2 Skin material 3 Core exposed part 4 Low pressure compression molded core 5 High pressure injection molded core 7 Female die 8 Passage 10 Projection 12 Projection 13 Male 15 Gate 16 Side gate 17 Molten resin 18 Cavity 19 molten resin 20 cavity 21 concave portion 22 cut groove
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI // B29L 31:58 審査官 野村 康秀 (56)参考文献 特開 平6−143337(JP,A) 特開 平6−184316(JP,A) 特開 平8−47941(JP,A) (58)調査した分野(Int.Cl.6,DB名) B29C 43/00 - 43/58 B29C 45/00 - 45/84 B29C 69/00 - 69/02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification symbol FI // B29L 31:58 Examiner Yasuhide Nomura (56) References JP-A-6-143337 (JP, A) JP-A-6-184316 (JP, A) JP-A-8-47941 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) B29C 43/00-43/58 B29C 45/00-45/84 B29C 69 / 00-69/02
Claims (2)
体成形して張合わせた樹脂成形体において、該芯材が表
皮材を張合わせた低圧圧縮成形の芯材と表皮材を張合わ
せていない高圧圧縮成形の芯体とで結合し、さらに該表
皮材の端部が、低圧圧縮成形の芯体の凹部であって高圧
射出成形の芯体に面した凹部に収容されることを特徴と
する樹脂成形体。 1. A resin molded article in which a skin material is integrally formed on a surface of a resin core body and bonded to each other, wherein the core material is a low-pressure compression-molded core material in which a skin material is bonded and a skin material. bound in the core of the high pressure compression molding not over Zhang, further said surface
The end of the skin material is the concave part of the core of low pressure compression molding
It is housed in a recess facing the core of injection molding
Resin molded body.
体成形して貼り合わせた樹脂成形体の製造方法におい
て、一方の型に表皮材を部分的に配設し、未閉鎖の雌型
と雄型間に溶融樹脂を供給し、雌型と雄型を閉じて溶融
樹脂をキャビティ内に押し広げ加圧して賦形しさらに雌
型に設けた突起部によって溶融樹脂を流動阻止し、型表
面と表皮材との間に侵入させないようにして表皮材と芯
材とを一体成形した後、製品相当部以外のサイドゲート
より閉鎖された雌型と雄型間のキャビティ内に溶融樹脂
を高圧で射出成形して芯体を成形し前記低圧圧縮成形の
芯体と結合したことを特徴とする樹脂成形体の製造方
法。2. A method of manufacturing a resin molded article in which a skin material is integrally formed on a surface of a resin core and partially adhered thereto, wherein the skin material is partially disposed on one of the molds, and an unclosed mold is provided. the molten resin was supplied between the female mold and the male mold, the molten resin closes the female and male by applying press spread pressure in the cavity shaping further female
The protrusion on the mold prevents the molten resin from flowing,
After integrally molding the skin material and the core material so that they do not enter between the surface and the skin material , high-pressure molten resin is injected into the cavity between the female mold and the male mold closed from the side gate other than the product equivalent part. A method for producing a resin molded article, wherein the core is molded by injection molding in step (a), and the core is combined with the core of the low-pressure compression molding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18835695A JP2931236B2 (en) | 1995-06-29 | 1995-06-29 | Resin molding and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18835695A JP2931236B2 (en) | 1995-06-29 | 1995-06-29 | Resin molding and method for producing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0911260A JPH0911260A (en) | 1997-01-14 |
JP2931236B2 true JP2931236B2 (en) | 1999-08-09 |
Family
ID=16222196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18835695A Expired - Fee Related JP2931236B2 (en) | 1995-06-29 | 1995-06-29 | Resin molding and method for producing the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2931236B2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0014495D0 (en) | 2000-06-15 | 2000-08-09 | Smithkline Beecham Gmbh & Co | Process |
JP2002046154A (en) * | 2000-08-02 | 2002-02-12 | Ikuyo Co Ltd | Mold structure of door trim and method for producing door trim |
US20070199797A1 (en) * | 2006-02-24 | 2007-08-30 | Dow Global Technologies Inc. | Molded parts with fabric surface areas and processes for their production |
EP2033759A1 (en) * | 2007-09-07 | 2009-03-11 | Peguform Gmbh | Method for manufacturing a moulded part with different decorative areas |
-
1995
- 1995-06-29 JP JP18835695A patent/JP2931236B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0911260A (en) | 1997-01-14 |
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