JPS5939535A - Production of resin molding - Google Patents
Production of resin moldingInfo
- Publication number
- JPS5939535A JPS5939535A JP15124482A JP15124482A JPS5939535A JP S5939535 A JPS5939535 A JP S5939535A JP 15124482 A JP15124482 A JP 15124482A JP 15124482 A JP15124482 A JP 15124482A JP S5939535 A JPS5939535 A JP S5939535A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- resin
- molded
- force
- stamper
- 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
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
- B29C45/14—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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
-
- 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
- B29C45/14778—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 the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
-
- 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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection 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、金属被・（所謂メタリック観）を有した樹脂
成形品の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for manufacturing a resin molded article having a metal coating (so-called metallic appearance).
背景技術とその問題点
射出成形品特に電子機器製品に使用されるプラスチック
スの釦、つまみ、エスカッション（１枠）類は主にＡＢ
Ｓ （アクリルニトリル・ブタジェン・スチレン）樹脂
等を用いて成形され、特に金属被を有するためにプラス
チックスメッキ製品が多量に使用されている。近時公害
上よ）乾式メッキとしてのコールドスノやツタリングも
また行われ一部使用されている。しかし乍ら原油価格の
上昇と共にプラスチックス原材料の上昇、公害処理費用
の増加に伴い、よシ安価に金属被を有する成形品の出現
が望まれている。この一つとして金属粉末特にアルミニ
ウム粉とか、酸化チタン被覆したマイカ−粉等をプラス
チックスに混入して成形したものも使用されている。し
かしこれらは混入するアルミニウム粉とかマイカ−類が
扁平な形状であシ、射出成形品においては形状の簡単な
ものを除き、大部分のものはウェルド部分で粒子が平坦
に並ばないために、又成形時に樹脂の流れを乱す凹凸部
或は空孔部分のあるものでは必ず粒子の配列が乱れ外観
を著しく損傷する。従って極力ウェルドラインを眼に見
えない部分に持ってゆくとか、凹凸部空孔部分のあるも
のには使用出来ない欠点があった。他の方法として成形
品に金属光沢を有するメタリック塗料を塗装する方法も
打力われている。このものは塗膜の耐摩耗性が十分でな
いために往々にして剥離する欠点があった。Background technology and its problems Plastic buttons, knobs, and escutcheons (one frame) used in injection molded products, especially electronic equipment products, are mainly AB.
They are molded using S (acrylonitrile-butadiene-styrene) resin, etc., and in particular, plastic plated products are used in large quantities because they have a metal covering. Cold snow plating and tsutaring (dry plating) are also being used to some extent (due to recent pollution). However, with the rise in the price of crude oil, the rise in raw materials for plastics, and the increase in pollution treatment costs, there is a desire for cheaper molded products with metal coverings to appear. As one of these, metal powders, particularly aluminum powders, mica powders coated with titanium oxide, etc., mixed into plastics and molded are also used. However, the aluminum powder and mica mixed in these products have a flat shape, and in most injection molded products, except for those with simple shapes, the particles are not lined up flat in the weld area. If there are irregularities or voids that disrupt the flow of resin during molding, the arrangement of particles will be disturbed and the appearance will be significantly damaged. Therefore, it has the disadvantage that it cannot be used in cases where the weld line is placed in an invisible area as much as possible, or where there are irregularities or holes. As another method, a method of painting a molded article with a metallic paint having a metallic luster is also gaining popularity. This had the disadvantage that the coating film did not have sufficient abrasion resistance and often peeled off.
発明の目的
本発明は、上述の欠点を解消し、細かい凹凸模様をも美
しく忠実に表わしうる金属観のある樹脂成形品を安価に
製造できるようにした樹脂成形品の製造方法を提供する
ものである。OBJECTS OF THE INVENTION The present invention solves the above-mentioned drawbacks and provides a method for manufacturing a resin molded product that can inexpensively produce a resin molded product with a metallic appearance that can beautifully and faithfully represent even fine uneven patterns. be.
発明の概要
本発明は、基材シートとメタリック層とクリヤシートか
らなる金属観を有する積層シートを用い、予めこの積層
シートを凹凸模様が形成された射出成形金型のキャビテ
ィのスタンパ−と同じ形状に成形し、この成形された積
層シートが射出成形金型の上記スタンパ−内に装着され
た状態で樹脂を射出成形し、スタンパ−上の凹凸模様を
積層シートに転写するようにして表面に金属観のある積
層シートを一体に有した樹脂成形品を得るようになす。SUMMARY OF THE INVENTION The present invention uses a laminated sheet with a metallic appearance consisting of a base sheet, a metallic layer, and a clear sheet, and the laminated sheet is preliminarily stamped in the same shape as a stamper in a cavity of an injection mold on which an uneven pattern is formed. This molded laminated sheet is placed inside the stamper of an injection mold, and then resin is injection molded, and the surface is coated with metal by transferring the uneven pattern on the stamper to the laminated sheet. To obtain a resin molded product integrally having a laminated sheet with an appearance.
この製法によれば、射出成形時の樹脂の温度により、こ
の樹脂に面する積層シート側の樹脂即ち基材シートが一
部軟化溶融して成形樹脂と一体となシ、且つ射出時の圧
力、樹脂温度によシスタン・ぐ−上に積層シートが圧せ
られ、スタンパ−上の微細なスピン、ヘヤーライン、光
沢面、ローレット部分等が忠実に転写をうけ、ウェルド
ラインの心配も々く好ましい金属観を有する樹脂成形品
が得られる。According to this manufacturing method, due to the temperature of the resin during injection molding, the resin on the side of the laminated sheet facing this resin, that is, the base sheet, partially softens and melts and becomes integral with the molded resin. The laminated sheet is pressed onto the stamper by the temperature of the resin, and the minute spins, hair lines, glossy surfaces, knurling parts, etc. on the stamper are faithfully transferred, and there is no need to worry about weld lines, making it a desirable metal. A resin molded product with a clear appearance can be obtained.
実施例 以下、図面を用いて本発明の詳細な説明する。Example Hereinafter, the present invention will be explained in detail using the drawings.
先づ、第１図Ａ及びＢに示すように金属観、を有するプ
ラスチックスシート即ち後述する基材シートとメタリッ
ク層とクリヤーシートからなる積層シート（１）を用意
し、この積層シート（１）を例えば真空成形法、正大成
形法等の方法によって予め射出成形金型のキャビティの
スタンノ４−に相当する形状（同一の凹凸模様）に成形
する。本例では真空成形状用金型（２）ヲ用いて真空成
形する。次に第１図Ｃに示すように成形された積層シー
ト（１）を金型（２）から取シ出して後、第１図りに示
すようにその成形シート部（３）をカッター（４）を介
して打ち抜き、成形シート部（３）を形成する（第１図
Ｅ）。とのようにして得られた成形シート部（３）ヲ第
１図Ｆに示すように同形の射出成形金型のキャビティの
スタンパ−（５）内に装着し、金型コア（６） ’ｅ配
して後、通常のように樹脂（７）を射出成形する。成形
シート部（３）のスタンパ−（５）内への挿入は必ずし
も密着させなくてもよく、形状にあてはまるようになせ
ばよい。キャビティ温度は成形シート部（３）が熱にょ
シ収縮しない範囲で射出成形に見合った温度に保つ。First, as shown in FIGS. 1A and B, a plastic sheet having a metallic appearance, that is, a laminated sheet (1) consisting of a base sheet, a metallic layer, and a clear sheet, which will be described later, is prepared, and this laminated sheet (1) is molded in advance into a shape (same uneven pattern) corresponding to the stun hole 4- of the cavity of an injection molding mold, for example, by a method such as a vacuum forming method or a full-length molding method. In this example, vacuum forming is performed using a vacuum forming mold (2). Next, as shown in Figure 1C, the molded laminated sheet (1) is removed from the mold (2), and then the molded sheet portion (3) is cut into a cutter (4) as shown in Figure 1. to form a molded sheet part (3) (FIG. 1E). The molded sheet part (3) obtained as above is installed in the stamper (5) of the cavity of an injection mold of the same shape as shown in Fig. 1F, and the mold core (6) is After disposing, the resin (7) is injection molded as usual. The molded sheet portion (3) does not necessarily have to be inserted into the stamper (5) in close contact with each other, but may be inserted so as to fit the shape. The cavity temperature is maintained at a temperature suitable for injection molding within a range where the molded sheet portion (3) does not shrink due to heat.
この射出成形時の樹脂（７）の温度によシ成形シート部
（３）の樹脂（７）に面する側が軟化溶融して樹脂（７
）に密着する。射出成形は成形シート（３）と樹脂（７
）との間に気泡がないように樹脂温度、射出圧力を調整
して行う。しかる後、第１図Ｇに示すようにキャビティ
よシ射出成形品（８）を取シ出す。斯くすることにより
、第１図Ｇ及び第２図に示すように、スタンノｆ −（
５）の微細なスピン、ヘヤーライン、光沢面、ローレッ
ト部分が忠実に転写された成形シート部（３）とその裏
側の樹脂層（７）とが一体化された目的の射出成形品（
８）が得られる。この射出成形品（８）はウェルドライ
ンの心配もなく、好ましい金属観を呈する。Due to the temperature of the resin (7) during this injection molding, the side of the molded sheet portion (3) facing the resin (7) softens and melts.
). Injection molding involves molded sheet (3) and resin (7).
) Adjust the resin temperature and injection pressure so that there are no air bubbles between the two. Thereafter, as shown in FIG. 1G, the injection molded product (8) is removed from the cavity. By doing so, as shown in FIG. 1G and FIG. 2, the stanno f −(
The desired injection molded product (5) is made by integrating the molded sheet part (3) on which the fine spins, hair lines, glossy surfaces, and knurling parts of 5) are faithfully transferred, and the resin layer (7) on the back side of the molded sheet part (3).
8) is obtained. This injection molded product (8) exhibits a preferable metal appearance without worrying about weld lines.
金属観を有する積層シート（１）としては、例えば第３
図Ａに示す基材シートαめと、樹脂に金属粉末（例えば
Ａｔ等）及び顔料を混入してなるメタリックシート（６
）と、透明の樹脂シートからなるクリヤーシート０ｊか
ら構成するもの、又は第４図Ｂに示す基材シート０■と
、２００ Ｘ〜５０００ Ｘ厚の金属蒸着層（例えばＡ
ｔ等）α→と、クリヤーシートｏｊがら構成するものを
適用し得る。積層シート（１）の厚さは成形品の絞シの
程度にょシ選択すべきであ・る。第３図Ａの積層シート
（１）及び第４図Ａの積層シート（１）は共に３層の合
計厚が０．１〜２．ＯｒＩＩＩ＋１の範囲になるように
、即ち真空成形法で成形する場合は合計厚が０．１〜１
．０ ｍ、正大成形法で成形する場合は合計厚が０．５
〜２．０簡の範囲に選ぶのが好ましい。又、極力厚みを
均一にすることが重要である。この理由は上記下限値よ
シ薄いと射出成形時に樹脂温変度及び樹脂の流れにょシ
一部積層シートが溶融してスケたシ、積層シートが破れ
て射出成形樹脂が露出したシする。上限値よシ厚くなる
と転写性が劣シ微細な模様が出にくい。クリヤーシート
α１の厚さは００１〜０．２ ｍｍの範囲、好ましくは
００５〜０．１５簡の範囲とする。クリヤーシー） （
１１とメタリック層αう又は◇→の合計の厚さは０．０
５〜１．０ ｗｎの範囲、好ましくは００５〜０，３ｍ
とする。このような厚みであれば、第３図Ａの積層シー
ト（１）の場合は金型の微細模様が第３図Ｂに示すよう
にクリヤーシートα→とメタリックシートα埠の厚み内
において転写され、又第４図Ａの積層シート（１）の場
合は金型の微細模様が第４図Ｂに示すようにクリヤーシ
ートα］蒸着層０→及び基材シート０ηの厚み内におい
て転写される。又、この積層シート（１）に転写される
金型の微細模様の凹凸最小限度は０，０１〜０．０６１
１Ｉｍであり、好ましい凹凸限度としては０．０２〜０
．１ｗｍである。なおりリヤーシート０３の厚さを薄く
すれば小さい凹凸が転写可能となる。As the laminated sheet (1) having a metallic appearance, for example, the third
The base sheet α shown in Figure A and the metallic sheet (6
) and a clear sheet 0j made of a transparent resin sheet, or a base sheet 0 shown in FIG.
(t, etc.) α→ and a clear sheet oj can be applied. The thickness of the laminated sheet (1) should be selected depending on the degree of drawing of the molded product. The laminated sheet (1) in FIG. 3A and the laminated sheet (1) in FIG. 4A both have a total thickness of three layers of 0.1 to 2. OrIII+1, that is, when molding by vacuum forming, the total thickness is 0.1 to 1.
．． 0 m, total thickness is 0.5 when molded using the Shodai molding method.
It is preferable to select it in the range of ~2.0. Also, it is important to make the thickness as uniform as possible. The reason for this is that if it is thinner than the above lower limit, part of the laminated sheet will melt due to resin temperature changes and resin flow during injection molding, and the laminated sheet will be torn and the injection molded resin will be exposed. If it is thicker than the upper limit, the transferability will be poor and it will be difficult to produce fine patterns. The thickness of the clear sheet α1 is in the range of 0.001 to 0.2 mm, preferably in the range of 0.005 to 0.15 mm. clear sea) (
The total thickness of 11 and metallic layer α or ◇→ is 0.0
Range of 5-1.0 wn, preferably 0.05-0.3 m
shall be. With such a thickness, in the case of the laminated sheet (1) in Figure 3A, the fine pattern of the mold is transferred within the thickness of the clear sheet α→ and the metallic sheet α, as shown in Figure 3B. In the case of the laminated sheet (1) shown in FIG. 4A, the fine pattern of the mold is transferred within the thickness of the clear sheet α] vapor deposited layer 0→ and the base sheet 0η, as shown in FIG. 4B. In addition, the minimum unevenness of the fine pattern of the mold transferred to this laminated sheet (1) is 0.01 to 0.061.
1Im, and the preferable unevenness limit is 0.02 to 0.
．． It is 1wm. By reducing the thickness of the rear sheet 03, small irregularities can be transferred.
本発明に使用する積層シートの材質としてはポリエチレ
ン、ポリプロピレン、エチレン共重合体、ゾロピレン共
重合体等の各種オレフィン系フィルム、硬質塩化ビニル
樹脂、無可塑塩化ビニル樹脂、ポリスチレン、耐衝撃性
ポリスチレン、ＡＢＳ、ＡＳ等のスチレン系樹脂、ポリ
カーボネート各種ナイロン等のフィルムが使用できる。Materials for the laminated sheet used in the present invention include various olefin films such as polyethylene, polypropylene, ethylene copolymer, and zoropylene copolymer, hard vinyl chloride resin, unplasticized vinyl chloride resin, polystyrene, impact-resistant polystyrene, and ABS. , styrene resin such as AS, polycarbonate, various types of nylon, and other films can be used.
又これらの二 。Also these two.
層乃至三層積層フィルムも使用される。例えば成形樹脂
がＡＢＳ樹脂ではＡＢＳフィルム、ＡＢＳ及びポリ塩化
ビニルのブレンド樹脂、硬質ポリ塩化ビニルが使用でき
る。成形品の表面外観特に微細模様を有するものにおい
ては、よシ軟化点の低い転写性のよい薄いフィルムを積
層したものがよシ好ましい。この積層フィルムは又金属
観を有する成形品の場合においてよシ深みのある色調を
与える点でよシ好ましいものである。又場合にょシ成形
樹脂と積層シートとの密着性を考慮して射出成形樹脂に
面する側によシ接着性の好ましい樹脂乃至は接着剤をコ
ーティング乃至はフィルムを積層した積層シートも用い
うる。Layer to three layer laminate films are also used. For example, if the molding resin is ABS resin, an ABS film, a blend resin of ABS and polyvinyl chloride, or hard polyvinyl chloride can be used. For the surface appearance of molded products, especially those with fine patterns, it is preferable to laminate thin films with a low softening point and good transferability. This laminated film is also highly preferable in that it provides a deeper color tone in the case of molded articles having a metallic appearance. In some cases, in consideration of the adhesion between the molding resin and the laminate sheet, a laminate sheet may be used in which the side facing the injection molding resin is coated with a preferable adhesive resin or adhesive or a film is laminated thereon.
実施例（１）
１２５ ａｍ Ｘ １２．５ ｗｎＸ ３ ｗｍのテス
トピースの金型スタンパ−内に各種フィルムを予め挿入
してＡＢＳ樹脂を射出成形し樹脂とフィルム一体のもの
を得た。Example (1) Various films were inserted in advance into a mold stamper of a test piece measuring 125 am x 12.5 wn x 3 wm, and ABS resin was injection molded to obtain a product in which the resin and film were integrated.
この密着性を調べた結果は第１表の通りである。The results of examining this adhesion are shown in Table 1.
第 １ 表
但し、ＰｖＣはポリ塩化ビニル、ＡＢＳはアクリルニト
リル・ブタジェン・スチレン、ＥＶＡハエチレン・ビニ
ル・アセテートである。Table 1 However, PvC is polyvinyl chloride, ABS is acrylonitrile butadiene styrene, and EVA is ethylene vinyl acetate.
第１表より ＡＢＳ樹脂に対しては、ＡＢＳフィルム、
硬質ＰＶＣフィルム、ＡＢＳとＰｖＣのブレンドフィル
ムが適している。From Table 1, for ABS resin, ABS film,
Rigid PVC films, blend films of ABS and PvC are suitable.
実施例（２）
第２図に示す如く直径−３２ｍｍ、高さ＝１１１１＋＋
＋１で上面にスピン目を、側面にダイヤカット部を有す
る積層シートをプラグアシスト真空成形にて成形し、こ
の成形シート部（３）ヲ同形状の射出成形金型のスタン
パ−内に挿入して樹脂を射出成形し、成形シート部（３
）が樹脂表面に均一に密着して一体化された射出成形品
を得る。このときの主な材質の成形条件及びその成形性
の結果を第２表に示す。Example (2) As shown in Figure 2, diameter -32mm, height = 1111++
+1, a laminated sheet with spin marks on the top surface and diamond cut portions on the side surface is formed by plug assist vacuum forming, and this formed sheet portion (3) is inserted into the stamper of an injection mold of the same shape. The resin is injection molded and the molded sheet part (3
) is uniformly adhered to and integrated with the resin surface to obtain an injection molded product. Table 2 shows the molding conditions for the main materials and the moldability results.
応用例
尚、上側では別々の金型を用いて積層シートに対する成
形と、樹脂の射出成形とを行うようにしたが、その他、
１つの射出成形金型を用いてこれらを連続して行うこと
も可能である。Application examples Separate molds were used on the upper side to perform molding of the laminated sheet and injection molding of the resin.
It is also possible to carry out these processes continuously using one injection mold.
又、本発明は金属観を有する樹脂成形品に限らず、各種
の模様を有するシート或は木目調を印刷したシート等を
用いれば、各種の模様、色調ヲ有−Ｊ−１１ヲモつ釦、
つまみ、エスカッション、ノやネル等の樹脂成形品が得
られる。In addition, the present invention is not limited to resin molded products with a metallic appearance, but can also be produced using sheets with various patterns or sheets printed with woodgrain patterns to create various patterns and colors.
Resin molded products such as knobs, escutcheons, and flannel can be obtained.
発明の効果
上述せる本発明によれば、従来では得られなかったスピ
ン目、ヘアーライン等の微細模様を施した金属観のある
樹脂成形品が正確に得られる。また積層シートを用いる
ので耐蝕性、耐摩耗性にすぐれ、傷、指紋等にも極めて
強い。しかも公害上の問題もなく安価に製造できる。従
って、電子機器製品の釦、つまみ、エスカッション、ノ
（ネル等に適用して好適ならしめるものである。Effects of the Invention According to the present invention described above, it is possible to accurately obtain a resin molded product having a metallic appearance and having fine patterns such as spin marks and hair lines, which could not be obtained conventionally. Furthermore, since a laminated sheet is used, it has excellent corrosion resistance and abrasion resistance, and is extremely resistant to scratches, fingerprints, etc. Moreover, it can be manufactured at low cost without any pollution problems. Therefore, it is suitable for application to buttons, knobs, escutcheons, flannel, etc. of electronic equipment products.
第１図Ａ−Ｇは本発明の一例を示す工程順の断面図、第
２図は本発明で得られた樹脂成形品の斜視図、第３図及
び第４図は夫々本発明で適用し得る積層シートの例を示
す断面図である。
（１）は積層シート、（２）は金型、（３）は成形シー
ト部、（５）は射出成形金型のスタンパ−１（７）は樹
脂である。
ロー
ロ
エ
１８３−
ロー
ロFigures 1A-G are cross-sectional views showing an example of the present invention in the order of steps, Figure 2 is a perspective view of a resin molded product obtained by the present invention, and Figures 3 and 4 are respectively applicable to the present invention. FIG. 2 is a cross-sectional view showing an example of a laminated sheet to be obtained. (1) is a laminated sheet, (2) is a mold, (3) is a molded sheet portion, and (5) is an injection mold, and stamper 1 (7) is a resin. Rolloe 183- Rollo
Claims (1)
層シートを凹凸模様が形成された射出成形金型と同じ形
状に成形し、該成形された積層シートが上記射出成形金
型に装着された状態で樹脂を射出成形し、上記射出成形
金型の凹凸模様を上記積層シートに転写して成る樹脂成
形品の製造方法。A laminated sheet consisting of a base sheet, a metallic layer, and a clear sheet is molded into the same shape as the injection molding mold in which the uneven pattern is formed, and the molded laminated sheet is placed in the injection molding mold, and then the resin is molded. A method for producing a resin molded article, which comprises injection molding and transferring the uneven pattern of the injection mold to the laminated sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15124482A JPS5939535A (en) | 1982-08-31 | 1982-08-31 | Production of resin molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15124482A JPS5939535A (en) | 1982-08-31 | 1982-08-31 | Production of resin molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5939535A true JPS5939535A (en) | 1984-03-03 |
Family
ID=15514409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15124482A Pending JPS5939535A (en) | 1982-08-31 | 1982-08-31 | Production of resin molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939535A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260313A (en) * | 1984-06-08 | 1985-12-23 | Mitsubishi Gas Chem Co Inc | Method of effacing weldline |
| JPS62299312A (en) * | 1986-06-19 | 1987-12-26 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of metal composite resin molded article |
| EP0256499A2 (en) * | 1986-08-13 | 1988-02-24 | Showa Denko Kabushiki Kaisha | Method of preforming a cover member of can-shaped container |
| JPS6469319A (en) * | 1987-09-11 | 1989-03-15 | Mitsubishi Gas Chemical Co | Manufacture of molding having mirror surface |
| JPH04158014A (en) * | 1990-10-22 | 1992-06-01 | Nissha Printing Co Ltd | Manufacture of front panel for stroboscope |
| US5169470A (en) * | 1989-09-22 | 1992-12-08 | Westvaco Corporation | Method of extrusion blow molding into paperboard inserts to form a composite package |
| US5342662A (en) * | 1989-03-08 | 1994-08-30 | Kuraray Co., Ltd. | Multilayered container |
| US5443767A (en) * | 1985-07-10 | 1995-08-22 | Pepsico., Inc. | Process for molding a multiple structure and a container made therein |
-
1982
- 1982-08-31 JP JP15124482A patent/JPS5939535A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260313A (en) * | 1984-06-08 | 1985-12-23 | Mitsubishi Gas Chem Co Inc | Method of effacing weldline |
| JPH0452766B2 (en) * | 1984-06-08 | 1992-08-24 | Mitsubishi Gas Chemical Co | |
| US5443767A (en) * | 1985-07-10 | 1995-08-22 | Pepsico., Inc. | Process for molding a multiple structure and a container made therein |
| JPS62299312A (en) * | 1986-06-19 | 1987-12-26 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of metal composite resin molded article |
| EP0256499A2 (en) * | 1986-08-13 | 1988-02-24 | Showa Denko Kabushiki Kaisha | Method of preforming a cover member of can-shaped container |
| US4965035A (en) * | 1986-08-13 | 1990-10-23 | Showa Denko Kabushiki Kaisha | Method of preforming a cover member of a can-shaped container |
| JPS6469319A (en) * | 1987-09-11 | 1989-03-15 | Mitsubishi Gas Chemical Co | Manufacture of molding having mirror surface |
| JPH07115378B2 (en) * | 1987-09-11 | 1995-12-13 | 三菱瓦斯化学株式会社 | Method for manufacturing molded article having mirror surface |
| US5342662A (en) * | 1989-03-08 | 1994-08-30 | Kuraray Co., Ltd. | Multilayered container |
| US5169470A (en) * | 1989-09-22 | 1992-12-08 | Westvaco Corporation | Method of extrusion blow molding into paperboard inserts to form a composite package |
| JPH04158014A (en) * | 1990-10-22 | 1992-06-01 | Nissha Printing Co Ltd | Manufacture of front panel for stroboscope |
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