JP2007118417A - Insert molding method of synthetic leather or leather - Google Patents

Insert molding method of synthetic leather or leather Download PDF

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JP2007118417A
JP2007118417A JP2005314510A JP2005314510A JP2007118417A JP 2007118417 A JP2007118417 A JP 2007118417A JP 2005314510 A JP2005314510 A JP 2005314510A JP 2005314510 A JP2005314510 A JP 2005314510A JP 2007118417 A JP2007118417 A JP 2007118417A
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leather
synthetic
synthetic leather
molding
insert molding
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JP4993165B2 (en
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Yasuhiro Fukuda
康宏 福田
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Fukuda Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an insert molding method of a synthetic leather or leather, which enables the easy attachment to a mold and does not cause displacement, can manufacture at a low cost and can be automated. <P>SOLUTION: The method comprises the processes of: making a laminated synthetic leather or leather 1 by gluing a sheet-like synthetic resin 2 over the whole rear surface of a synthetic leather or leather 1; making the punched synthetic leather or leather 1 by punching the laminated synthetic leather or leather 1 after a molding surface with a punching die; making the synthetic leather or leather 1 having a retained shape by performing a press drawing processing while heating the punched synthetic leather or leather 1; and attaching the shape-retaining synthetic leather or leather 1 to the mold and performing injection molding by injecting a molding material 3 onto the side where the synthetic resin 2 is glued. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、合成皮革又は皮革のインサート成型方法に関するものであり、更に詳細には、化粧品等の各種容器、家電製品、ＯＡ機器、モバイル機器、自動車部品等の合成樹脂の成型品に合成皮革又は皮革をインサート成型する方法に関するものである。   The present invention relates to a synthetic leather or a method of insert molding leather, and more specifically, synthetic leather or synthetic resin such as various types of containers such as cosmetics, home appliances, OA equipment, mobile equipment, and automobile parts. The present invention relates to a method for insert molding leather.

従来、合成樹脂によって形成された化粧品等の各種容器、家電製品、ＯＡ機器、モバイル機器、自動車部品等の成型品への合成皮革又は皮革をインサート成型する場合、合成皮革又は皮革を抜き型にて成形面に合わせてカットして金型内に組み付けていた。   Conventionally, when synthetic leather or leather is molded into molded products such as various types of containers such as cosmetics, home appliances, OA equipment, mobile devices, automobile parts, etc., formed with synthetic resin, the synthetic leather or leather is removed with a die. It was cut according to the molding surface and assembled in the mold.

然し乍ら、合成皮革又は皮革は柔軟性を有しており、金型への組み付けが手間暇係る人手による手作業と成る上、位置ズレを起こして外観的に不具合で使用できないものも多くなっており、又、ケース等の成型品に成型するものは三次元曲面加工を要求され、加えて、成型品には液晶等による表示部や操作ボタン等の穴も多く、抜き型でカットした合成皮革又は皮革を金型に組み付けても成型後に角部にシワが寄ったり、図４に図示する如く、穴の周りや側面の端面に合成皮革又は皮革が回り込みにくく成型後に下地（材料）が見えて外観的に見映えが悪く成り商品としての価値の無くなるものが頻発しており苦慮している現状である。   However, synthetic leather or leather has flexibility, and assembling to the mold is a manual operation that requires time and labor, and there are many things that cannot be used due to appearance defects due to misalignment. In addition, what is molded into a molded product such as a case is required to have a three-dimensional curved surface processing. In addition, the molded product has many holes such as a liquid crystal display section and operation buttons, and synthetic leather or Even if the leather is assembled in the mold, the corners are wrinkled after molding, and as shown in Fig. 4, the synthetic leather or leather is difficult to wrap around the hole and the side edge, and the base (material) is visible after molding. The appearance is bad and the value as a product disappears frequently, and the present situation is difficult.

その為に、これ等の合成皮革又は皮革の成型方法として、例えば、 合成皮革に対してプラスチックを射出成型するに際し、加熱によって合成皮革が伸び又は溶融しても、この伸び又は溶融した部分が布材側に廻り込むことがないようにしたもので、雌雄一対の金型本体における型部の周縁に、連通する空隙部を形成した金型を用い、プラスチック材料１０を射出注入する金型と反対の金型の上に、合成皮革９の布材をプラスチック材料１４を注入する金型側に向けて配置し、その後通常の方法によってプラスチック材料１４を注入射出して成型するようにし、加熱によって合成皮革９が伸び又は溶融しても、この伸び又は溶融した部分が、前記空隙部に入り込み、もって布材側に廻り込むことがないようにすることができるもの（特許文献１参照）や、射出成形金型２０内に挿入される合成皮革シート１の中央部のみを型締時に固定し、周辺部１７は可動状態とし、合成皮革シート１の基布に気泡を有する不織布を使用して射出成形されたもの（特許文献２参照）や、加飾シートを外表面に接合した状態で成形するようにした成形体において、後から表示を形成するための印刷を必要としないようにしたインサート成形方法を提供することを目的とするもので、インサート成形用金型１４の加飾シート５０の外表面に臨む部分に予め凹凸６７、６８を形成しておき、この凹凸６７、６８を加飾シート５０に転写することによって立体感のある表示６９を加飾シート上に形成するようにしたもの（特許文献３参照）等が開示されている。
特開平５−１６１７２号公報 特開平７−３０４０６１号公報 特開平９−１３１７５４号公報 Therefore, as a molding method of these synthetic leathers or leathers, for example, when plastic is injection-molded to synthetic leather, even if the synthetic leather is stretched or melted by heating, the stretched or melted part is not a cloth. It is designed so that it does not go around the material side. It uses a mold in which a communicating cavity is formed at the periphery of the mold part of a pair of male and female mold bodies, and is opposite to the mold in which the plastic material 10 is injected and injected. The synthetic leather 9 cloth material is placed on the mold of the plastic material 14 toward the mold side into which the plastic material 14 is to be injected, and then the plastic material 14 is injected and molded by a normal method, and then synthesized by heating. Even when the leather 9 is stretched or melted, the stretched or melted portion can be prevented from entering the gap portion and thus entering the cloth material side (Patent Document 1). Or only the central part of the synthetic leather sheet 1 inserted into the injection mold 20 is fixed at the time of mold clamping, the peripheral part 17 is made movable, and a non-woven fabric having air bubbles is formed on the base fabric of the synthetic leather sheet 1 Use in injection molding (see Patent Document 2) and molded articles that are molded in a state where the decorative sheet is bonded to the outer surface, so that printing for forming a display is not required later. An object is to provide an insert molding method, and irregularities 67 and 68 are formed in advance on a portion facing the outer surface of the decorative sheet 50 of the insert molding die 14. A display 69 having a three-dimensional effect is formed on the decorative sheet by transferring the image to the decorative sheet 50 (see Patent Document 3).
Japanese Patent Laid-Open No. 5-16172 Japanese Patent Laid-Open No. 7-304061 JP-A-9-131754

然し乍ら、先に開示された、特許文献１の合成皮革に対してプラスチックを射出成型するに際し、加熱によって合成皮革が伸び又は溶融しても、この伸び又は溶融した部分が布材側に廻り込むことがないようにしたもので、雌雄一対の金型本体における型部の周縁に、連通する空隙部を形成した金型を用い、プラスチック材料１０を射出注入する金型と反対の金型の上に、合成皮革９の布材をプラスチック材料１４を注入する金型側に向けて配置し、その後通常の方法によってプラスチック材料１４を注入射出して成型するようにし、加熱によって合成皮革９が伸び又は溶融しても、この伸び又は溶融した部分が、前記空隙部に入り込み、もって布材側に廻り込むことがないようにすることができるものでは、金型に空隙部７を必要とし、更には、成型後に周囲をカットする等の作業を必要とするもので、成型後のカットはカット面にプラスチックが露出するもので穴を有するような成型には不向きなものである。   However, when plastic is injection-molded with respect to the synthetic leather disclosed in Patent Document 1 described above, even if the synthetic leather is stretched or melted by heating, the stretched or melted portion goes around to the cloth material side. In the mold body of a pair of male and female molds, a mold having a communicating cavity is formed on the periphery of the mold part, and on the mold opposite to the mold for injecting and injecting the plastic material 10. Then, the synthetic leather 9 cloth material is arranged toward the mold side into which the plastic material 14 is injected, and then the plastic material 14 is injected and molded by a normal method, and the synthetic leather 9 is stretched or melted by heating. However, if the stretched or melted portion can enter the gap portion and thus do not go around to the cloth material side, the mold portion needs the gap portion 7, and further. Is one that requires a work such as cutting the periphery after molding, cut after molding are those unsuitable for molding so as to have a hole in which to expose the plastic cut surface.

更に、特許文献２の射出成形金型２０内に挿入される合成皮革シート１の中央部のみを型締時に固定し、周辺部１７は可動状態とし、合成皮革シート１の基布に気泡を有する不織布を使用して射出成形されたものでは、柔軟な合成皮革シート１の中央部のみを型締時に固定するのには手間暇係る手作業となる上、成型後に周囲をカットする等の作業を必要とするもので、前述と同様に成型後のカットはカット面にプラスチックが露出するもので穴を有するような成型には不向きなものである。   Furthermore, only the central part of the synthetic leather sheet 1 inserted into the injection mold 20 of Patent Document 2 is fixed at the time of clamping, the peripheral part 17 is made movable, and the base fabric of the synthetic leather sheet 1 has bubbles. In the case of injection molding using a non-woven fabric, fixing only the central part of the flexible synthetic leather sheet 1 at the time of mold clamping is a labor-related manual work and a work such as cutting the periphery after molding. In the same manner as described above, the cut after molding is not suitable for molding in which the plastic is exposed on the cut surface and having holes.

更には、特許文献３の加飾シートを外表面に接合した状態で成形するようにした成形体において、後から表示を形成するための印刷を必要としないようにしたインサート成形方法を提供することを目的とするもので、インサート成形用金型１４の加飾シート５０の外表面に臨む部分に予め凹凸６７、６８を形成しておき、この凹凸６７、６８を加飾シート５０に転写することによって立体感のある表示６９を加飾シート上に形成するようにしたものでは、柔軟性を有する加飾シートを金型内に固定する方法開示されておらず、従来の課題は解決できないものである。   Furthermore, in the molded object which shape | molded the decorative sheet of patent document 3 in the state joined to the outer surface, providing the insert molding method which did not require the printing for forming a display later. For this purpose, irregularities 67 and 68 are formed in advance on the portion of the insert molding die 14 facing the outer surface of the decorative sheet 50, and the irregularities 67 and 68 are transferred to the decorative sheet 50. In the case where the three-dimensional display 69 is formed on the decorative sheet, the method for fixing the flexible decorative sheet in the mold is not disclosed, and the conventional problem cannot be solved. is there.

本発明は、前述の課題に鑑み、鋭意研鑽の結果、請求項１に記載の合成皮革又は皮革のインサート成型方法は、合成皮革又は皮革の裏面の全面にシート状の合成樹脂を貼着して積層された合成皮革又は皮革にする工程と、積層された合成皮革又は皮革を成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革にする工程と 打ち抜かれた合成皮革又は皮革を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革にする工程と、形状が保持された合成皮革又は皮革を金型に組み付けて合成樹脂を貼着した側に成型材料を射出させてインジェクション成型をする工程と、を含むものである。   In view of the above-mentioned problems, the present invention is a result of diligent research. As a result, the synthetic leather or leather insert molding method according to claim 1 is characterized in that a synthetic resin in sheet form is stuck to the entire back surface of the synthetic leather or leather. A process of making laminated synthetic leather or leather, a process of making laminated synthetic leather or leather to a molding surface and punching with a punching die to make a synthetic leather or leather, and punching synthetic leather or leather A process of pressing and drawing into a synthetic leather or leather that retains its shape while heating, and a molding material is injected on the side of the synthetic leather or leather that retains its shape in a mold and affixed with a synthetic resin And performing injection molding.

更に、請求項２に記載の合成皮革又は皮革のインサート成型方法は、請求項１に記載の合成皮革又は皮革のインサート成型方法において、シート状の合成樹脂と射出させる成型材料の合成樹脂とは同材料を用いるものである。   Furthermore, the synthetic leather or leather insert molding method according to claim 2 is the same as the synthetic leather or leather insert molding method according to claim 1, wherein the sheet-like synthetic resin and the synthetic resin of the molding material to be injected are the same. Material is used.

更には、請求項３に記載の合成皮革又は皮革のインサート成型方法は、合成皮革又は皮革の裏面の全面に合成樹脂をコーティング又は塗布して積層された合成皮革又は皮革にする工程と、積層された合成皮革又は皮革を成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革にする工程と 打ち抜かれた合成皮革又は皮革を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革にする工程と、形状が保持された合成皮革又は皮革を金型に組み付けて合成樹脂を貼着した側に成型材料を射出させてインジェクション成型をする工程と、を含むものである。   Furthermore, the synthetic leather or the leather insert molding method according to claim 3 is laminated with a step of forming a synthetic leather or leather by coating or applying a synthetic resin on the entire back surface of the synthetic leather or leather. The shape of the synthetic leather or leather was retained by pressing the punched synthetic leather or leather to the molding surface and punching with a punching die to make the synthetic leather or leather punched. It includes a step of making synthetic leather or leather, and a step of injecting a molding material onto the side on which the synthetic leather or leather having a shape retained is attached to a mold and the synthetic resin is attached, and injection molding is performed.

加えて、請求項４に記載の合成皮革又は皮革のインサート成型方法は、請求項３に記載の合成皮革又は皮革のインサート成型方法において、コーティング又は塗布する合成樹脂と射出させる成型材料の合成樹脂とは同材料を用いるものである。   In addition, the synthetic leather or leather insert molding method according to claim 4 is the synthetic leather or leather insert molding method according to claim 3, wherein the synthetic resin to be coated or applied and the synthetic resin of the molding material to be injected are Uses the same material.

本発明の合成皮革又は皮革のインサート成型方法は、合成皮革又は皮革とシート状の合成樹脂を積層して打ち抜きをし、加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革とすることにより、金型への組み付けが容易で、位置ズレも起こすことなく組み付けられることから、リスクが少なく廉価に提供でき、自動化も可能なもので、画期的で実用性の高い発明である。   The synthetic leather or leather insert molding method of the present invention comprises a synthetic leather or leather laminated with a synthetic leather or leather and sheet-shaped synthetic resin, punched, and subjected to press drawing while being heated. As a result, it is easy to assemble to the mold and can be assembled without causing misalignment. Therefore, it can be offered at low cost with low risk, and can be automated, making it an epoch-making and highly practical invention. .

本発明は、合成皮革又は皮革のインサート成型方法に関するものであり、更に詳細には、化粧品等の各種容器、家電製品、ＯＡ機器、モバイル機器、自動車部品等の合成樹脂の成型品に合成皮革又は皮革をインサート成型する方法に関するものであり、請求項１に記載の合成皮革又は皮革のインサート成型方法は、合成皮革又は皮革１の裏面の全面にシート状の合成樹脂２を貼着して積層された合成皮革又は皮革１にする工程と、該積層された合成皮革又は皮革１を成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革１にする工程と 該打ち抜かれた合成皮革又は皮革１を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革１にする工程と、該形状が保持された合成皮革又は皮革１を金型に組み付けて合成樹脂２を貼着した側に成型材料３を射出させてインジェクション成型をする工程と、を含むことを特徴とするものである。   The present invention relates to a synthetic leather or a method of insert molding leather, and more specifically, synthetic leather or synthetic resin such as various types of containers such as cosmetics, home appliances, OA equipment, mobile equipment, and automobile parts. The present invention relates to a method for insert molding leather, and the synthetic leather or leather insert molding method according to claim 1 is laminated by attaching a sheet-like synthetic resin 2 on the entire back surface of the synthetic leather or leather 1. A synthetic leather or leather 1, a synthetic leather or leather 1, which is punched by punching the laminated synthetic leather or leather 1 with a punching die in accordance with a molding surface, and the punched synthetic leather Or the process of making the synthetic leather or leather 1 with the shape held by press drawing while heating the leather 1 and assembling the synthetic leather or leather 1 with the shape held in the mold A step of the injection molding by injecting a molding material 3 to the synthetic resin 2 was adhered side, is characterized in that comprises a.

更に、請求項２に記載の合成皮革又は皮革のインサート成型方法は、請求項１に記載の合成皮革又は皮革１のインサート成型方法において、前記シート状の合成樹脂２と射出させる成型材料３の合成樹脂とは同材料を用いることを特徴とするものである。   Furthermore, the synthetic leather or leather insert molding method according to claim 2 is the synthetic leather or leather 1 insert molding method according to claim 1, wherein the sheet-like synthetic resin 2 and the molding material 3 to be injected are synthesized. The resin is characterized by using the same material.

更には、請求項３に記載の合成皮革又は皮革のインサート成型方法は、合成皮革又は皮革１の裏面の全面に合成樹脂２をコーティング又は塗布して積層された合成皮革又は皮革１にする工程と、該積層された合成皮革又は皮革１を成型品の成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革１にする工程と、該積層された合成皮革又は皮革１を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革１にする工程と、該形状が保持された合成皮革又は皮革１を金型に組み付けて合成樹脂２を貼着した側に成型材料３を射出させてインジェクション成型をする工程と、を含むことを特徴とするものである。   Furthermore, the synthetic leather or leather insert molding method according to claim 3 is a process of forming a synthetic leather or leather 1 by coating or applying a synthetic resin 2 on the entire back surface of the synthetic leather or leather 1 and laminating. The laminated synthetic leather or leather 1 is made into a synthetic leather or leather 1 punched by punching with a punching die in accordance with the molding surface of the molded product, and the laminated synthetic leather or leather 1 is heated. A process of forming a synthetic leather or leather 1 with a shape held by press drawing, and a molding material on the side where the synthetic leather or leather 1 with the shape held is assembled to a mold and a synthetic resin 2 is adhered And injection molding by injecting 3.

更に、請求項４に記載の合成皮革又は皮革のインサート成型方法は、請求項３に記載の合成皮革又は皮革１のインサート成型方法において、前記コーティング又は塗布した合成樹脂２と射出させる成型材料３の合成樹脂とは同材料を用いることを特徴とするものである。   Further, the synthetic leather or leather insert molding method according to claim 4 is the synthetic leather or leather 1 insert molding method according to claim 3, wherein the coated or applied synthetic resin 2 and the molding material 3 to be injected are injected. Synthetic resin is characterized by using the same material.

以下、本発明の合成皮革又は皮革のインサート成型方法を実施例の図面を用いて詳細に説明すると、図１は本発明の合成皮革又は皮革のインサート成型方法の実施例の積層状態の説明図であり、図２は本発明の合成皮革又は皮革のインサート成型方法の実施例の形状が保持された状態の説明図であり、図３は本発明の合成皮革又は皮革のインサート成型方法の実施例の成型後の説明図であり、図４は本発明の合成皮革又は皮革のインサート成型方法の実施例の成型後の底面説明図である。   Hereinafter, a synthetic leather or leather insert molding method of the present invention will be described in detail with reference to the drawings of the embodiments. FIG. 1 is an explanatory diagram of a laminated state of an embodiment of the synthetic leather or leather insert molding method of the present invention. FIG. 2 is an explanatory view showing a state in which the shape of the embodiment of the synthetic leather or leather insert molding method of the present invention is maintained, and FIG. 3 shows the embodiment of the synthetic leather or leather insert molding method of the present invention. FIG. 4 is an explanatory view after molding, and FIG. 4 is an explanatory bottom view after molding of an embodiment of the synthetic leather or leather insert molding method of the present invention.

即ち、本発明の合成皮革又は皮革のインサート成型方法の合成皮革又は皮革１は、不織布等で形成された合成皮革や、動物の皮をなめして製造した皮革のことであり、成型品は化粧品等の各種容器、家電製品、ＯＡ機器、モバイル機器、自動車部品等の特に液晶の表示部や操作ボタン等を備えたものや、他の金属部材等で装飾や模様を施した単数又は複数の穴部を有する成型品に好適なものである。   That is, the synthetic leather or leather 1 of the synthetic leather or leather insert molding method of the present invention is a synthetic leather formed of a non-woven fabric or the like, or a leather manufactured by licking animal skin, and the molded product is a cosmetic or the like. One or a plurality of holes with decorations or patterns, such as various containers, home appliances, office automation equipment, mobile devices, automobile parts, etc., especially with liquid crystal display parts and operation buttons, etc. It is suitable for a molded product having

そして、先ず、積層された合成皮革又は皮革１にする工程では、図１に図示する如く、柔軟性を有している合成皮革又は皮革１の裏面の全面に接着層２ａを介装してシート状の合成樹脂２を貼着するものである。   First, in the step of forming the laminated synthetic leather or leather 1, as shown in FIG. 1, a sheet is formed by interposing an adhesive layer 2a on the entire back surface of the synthetic leather or leather 1 having flexibility. The synthetic resin 2 in the form of a paste is pasted.

次に、打ち抜かれた合成皮革又は皮革１にする工程を実施するものでは、前記積層された合成皮革又は皮革１を成型品の所定の成形面に合わせて合成皮革又は皮革１とシート状の合成樹脂２とをプレス等の抜き型で打ち抜きするものである。   Next, in the case of carrying out the step of forming the punched synthetic leather or leather 1, the laminated synthetic leather or leather 1 is combined with a predetermined molding surface of the molded product so that the synthetic leather or leather 1 and the sheet-like composition are combined. The resin 2 is punched out with a punching die such as a press.

次いで、形状が保持された合成皮革又は皮革１にする工程は、図２に図示する如く、前記積層された合成皮革又は皮革１を加熱しながらプレス絞り加工をするものであり、加熱しながらプレス絞り加工をすることから合成樹脂２が形状を変形させて絞り加工された形状をそのまま保持すると共に、合成皮革又は皮革１の側面に合成樹脂２を露出させないようにするものである。   Next, as shown in FIG. 2, the step of making the synthetic leather or leather 1 having a shape retained is performed by press drawing while heating the laminated synthetic leather or leather 1. Since the drawing process is performed, the synthetic resin 2 deforms the shape and maintains the drawn shape as it is, and the synthetic resin 2 or the side surface of the leather 1 is not exposed.

更に、インジェクション成型をする工程は、形状が保持された合成皮革又は皮革１を金型に組み付けてシート状の合成樹脂２を貼着した下面のみに成型材料３を射出させてインジェクション成型して成型品に合成皮革又は皮革１のインサート成型をするものである。   Further, the injection molding process is performed by injecting the molding material 3 only onto the lower surface where the synthetic leather or leather 1 having the shape is attached to the mold and the sheet-like synthetic resin 2 is adhered, and then molding by injection molding. Synthetic leather or leather 1 is insert-molded into a product.

更に、本発明の合成皮革又は皮革のインサート成型方法の次実施例では、前述の合成皮革又は皮革のインサート成型方法のシート状の合成樹脂２と射出される成型材料３の合成樹脂とを同じ合成樹脂材料を用いるものであり、例えば、ＡＢＳ樹脂、ＳＡＮ樹脂、ＰＣ樹脂等の同材料を用いることにより密着性が向上するものである。   Further, in the next embodiment of the synthetic leather or leather insert molding method of the present invention, the same synthetic resin and synthetic resin of the molding material 3 to be injected in the synthetic leather or leather insert molding method described above are used. A resin material is used. For example, the adhesion is improved by using the same material such as an ABS resin, a SAN resin, or a PC resin.

更には、本発明の合成皮革又は皮革のインサート成型方法の他の実施例では、前述の実施例の積層された合成皮革又は皮革１にする工程を、合成皮革又は皮革１の裏面の全面に合成樹脂２をコーティング又は塗布することによって、積層された合成皮革又は皮革１にするものである。   Furthermore, in another embodiment of the synthetic leather or leather insert molding method of the present invention, the step of forming the laminated synthetic leather or leather 1 of the above-described embodiment is synthesized on the entire back surface of the synthetic leather or leather 1. The synthetic leather or leather 1 is formed by coating or applying the resin 2.

以後の、打ち抜かれた合成皮革又は皮革１にする工程、形状が保持された合成皮革又は皮革１にする工程と、インジェクション成型をする工程、並びに、コーティング又は塗布した合成樹脂２と射出させる成型材料３の合成樹脂とは同材料を用いることは前述と同じであるので省略する。   Subsequent steps for forming the punched synthetic leather or leather 1, the step for forming the synthetic leather or leather 1 retaining the shape, the step of injection molding, and the molding or molding material to be injected with the coated or applied synthetic resin 2 Since the use of the same material as the synthetic resin 3 is the same as described above, it will be omitted.

本発明の合成皮革又は皮革のインサート成型方法は、化粧品等の各種容器、家電製品、ＯＡ機器、モバイル機器、自動車部品等の合成樹脂の成型品の特に液晶の表示部や操作ボタン等を備えたものや、他の金属部材等で装飾や模様を施した単数又は複数の穴部を有するものに使用する合成皮革又は皮革のインサート成型方法を実施するのに好適なものである。   The synthetic leather or leather insert molding method of the present invention comprises various containers such as cosmetics, home appliances, OA equipment, mobile devices, molded parts of synthetic resin such as automobile parts, particularly a liquid crystal display section and operation buttons. It is suitable for carrying out a synthetic leather or a leather insert molding method used for a thing having one or a plurality of holes that are decorated or patterned with other metal members or the like.

図１は本発明の合成皮革又は皮革のインサート成型方法の実施例の積層状態の説明図である。FIG. 1 is an explanatory view of a laminated state of an embodiment of the synthetic leather or leather insert molding method of the present invention. 図２は本発明の合成皮革又は皮革のインサート成型方法の実施例の形状が保持された状態の説明図である。FIG. 2 is an explanatory view showing a state in which the shape of the embodiment of the synthetic leather or the insert molding method for leather according to the present invention is maintained. 図３は本発明の合成皮革又は皮革のインサート成型方法の実施例の成型後の説明図である。FIG. 3 is an explanatory view after molding of an embodiment of the synthetic leather or leather insert molding method of the present invention. 図４は本発明の合成皮革又は皮革のインサート成型方法の実施例の成型後の底面説明図である。FIG. 4 is a bottom explanatory view after molding of an embodiment of the synthetic leather or leather insert molding method of the present invention.

符号の説明Explanation of symbols

１ 合成皮革又は皮革
２ 合成樹脂
２ａ 接着層
３ 成型材料
1 Synthetic leather or leather 2 Synthetic resin 2a Adhesive layer 3 Molding material

Claims (4)

合成皮革又は皮革の裏面の全面にシート状の合成樹脂を貼着して積層された合成皮革又は皮革にする工程と、該積層された合成皮革又は皮革を成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革にする工程と 該打ち抜かれた合成皮革又は皮革を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革にする工程と、該形状が保持された合成皮革又は皮革を金型に組み付けて合成樹脂を貼着した側に成型材料を射出させてインジェクション成型をする工程と、を含むことを特徴とする合成皮革又は皮革のインサート成型方法。   Synthetic leather or a process of making a synthetic leather or leather laminated by attaching a sheet-like synthetic resin to the entire back surface of the leather, and punching the laminated synthetic leather or leather with a punching die according to the molding surface A step of making a synthetic leather or leather punched by punching, a step of forming a synthetic leather or leather having a shape retained by press drawing while heating the synthetic leather or leather punched, and the shape retained A method of inserting and molding synthetic leather or leather into a mold and injecting a molding material onto a side on which a synthetic resin is adhered and performing injection molding. 前記シート状の合成樹脂と前記射出させる成型材料の合成樹脂とは同材料を用いることを特徴とする請求項１に記載の合成皮革又は皮革のインサート成型方法。   2. The synthetic leather or leather insert molding method according to claim 1, wherein the sheet-like synthetic resin and the synthetic resin of the molding material to be injected are the same material. 合成皮革又は皮革の裏面の全面に合成樹脂をコーティング又は塗布して積層された合成皮革又は皮革にする工程と、該積層された合成皮革又は皮革を成形面に合わせて抜き型で打ち抜きして打ち抜かれた合成皮革又は皮革にする工程と 該打ち抜かれた合成皮革又は皮革を加熱しながらプレス絞り加工をして形状が保持された合成皮革又は皮革にする工程と、該形状が保持された合成皮革又は皮革を金型に組み付けて合成樹脂を貼着した側に成型材料を射出させてインジェクション成型をする工程と、を含むことを特徴とする合成皮革又は皮革のインサート成型方法。   Synthetic leather or a synthetic resin is coated or applied on the entire back surface of the leather to form a laminated synthetic leather or leather, and the laminated synthetic leather or leather is punched with a punching die according to the molding surface. A step of forming a synthetic leather or leather that has been extracted; a step of forming a synthetic leather or leather having a shape retained by press drawing while heating the punched synthetic leather or leather; and a synthetic leather having the shape retained Or a method of insert molding of synthetic leather or leather, comprising a step of injecting a molding material onto a side on which a leather is attached to a mold and injecting a synthetic resin and performing injection molding. 前記前記コーティング又は塗布した合成樹脂と前記射出させる成型材料の合成樹脂とは同材料を用いることを特徴とする請求項３に記載の合成皮革又は皮革のインサート成型方法。
4. The synthetic leather or leather insert molding method according to claim 3, wherein the synthetic resin coated or applied and the synthetic resin of the molding material to be injected are the same material.
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JPH09174593A (en) * 1995-12-22 1997-07-08 Kodama Kagaku Kogyo Kk Method for partially forming decorative surface made of material different from material of synthetic resin molded body on surface of said molded body
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