JPH0259314A - Synthetic leather coated plastic product and manufacture of plastic product monolithically molded with synthetic leather - Google Patents
Synthetic leather coated plastic product and manufacture of plastic product monolithically molded with synthetic leatherInfo
- Publication number
- JPH0259314A JPH0259314A JP63209440A JP20944088A JPH0259314A JP H0259314 A JPH0259314 A JP H0259314A JP 63209440 A JP63209440 A JP 63209440A JP 20944088 A JP20944088 A JP 20944088A JP H0259314 A JPH0259314 A JP H0259314A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic leather
- mold
- synthetic
- molding
- resin material
- 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.)
- Granted
Links
- 239000002649 leather substitute Substances 0.000 title claims abstract description 64
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 239000000057 synthetic resin Substances 0.000 claims abstract description 22
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010137 moulding (plastic) Methods 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- 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
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/08—Leather
-
- 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
- B29K2713/00—Use of textile products or fabrics for preformed parts, e.g. for inserts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (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〉
この発明は、射出成形したプラスチックに合成皮革を一
体成形して触感や質感を高めた合成皮革被覆プラスチッ
ク製品及び合成皮革を一体成形したプラスチック製品の
製法方法に関するものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a synthetic leather-coated plastic product in which synthetic leather is integrally molded onto injection molded plastic to enhance the feel and texture, and a plastic product in which synthetic leather is integrally molded. The invention relates to a manufacturing method.
〈従来の技術〉
プラスチックの表面に合成皮革を被覆し、触感や質感を
高めるようにした眼鏡ケースや小物入れ等のような各種
プラスチック製品が存在、している、そして、従来はプ
ラスチックの表面に合成皮革を被覆する場合には、プラ
スチック成形後に合成皮革を接着剤によりプラスチック
の表面に貼着していた。これは、合成皮革の耐熱温度が
低く、プラスチックと一体成形するのは困難であると考
えられていたからである。<Prior art> There are various plastic products such as eyeglass cases and accessory cases that have synthetic leather coated on the plastic surface to enhance the feel and texture. When covering synthetic leather, the synthetic leather is pasted onto the surface of the plastic using an adhesive after the plastic is molded. This is because synthetic leather has a low heat resistance and was thought to be difficult to integrally mold with plastic.
〈発明が解決しようとする問題点〉
ところで、従来のようにプラスチック成形後に合成皮革
を接着剤により貼着する方法は、作業が面倒であるのみ
ならず、剥がれ易いという欠点があった。その上、立体
的な曲面に対しては、この曲面に対して合成皮革をたる
みなくきれいに貼着することは非常に困難であった。す
なわち、二次元帥な曲面（平面を単に曲げたもの）に対
しては成形後にその曲面に合わして合成皮革をたるみな
く貼着することはできるが、三次元的な曲面（球面状の
もの）に対しては１合成皮革はもともとは平面的なもの
であるので、これを球面に対してたるみなく貼着するこ
とは不可能であった。<Problems to be Solved by the Invention> By the way, the conventional method of attaching synthetic leather with an adhesive after plastic molding has the disadvantage that it is not only laborious to work, but also easily peels off. Furthermore, it is extremely difficult to adhere synthetic leather neatly to a three-dimensional curved surface without sagging. In other words, synthetic leather can be applied to two-dimensional curved surfaces (simply bent flat surfaces) without sagging after molding, but synthetic leather can be applied to three-dimensional curved surfaces (spherical surfaces). However, since synthetic leather is originally flat, it was impossible to attach it to a spherical surface without sagging.
そこで１本発明者は合成皮革をプラスチック成形時に一
体成形を行なえば、成形時の熱及び成形圧力により合成
皮革も球面的に変形するのではないかと考え１種々研究
した結果、従来成形時の熱により溶融し、てしまうと考
えられていた合成皮革も、布材を裏打ちしてある合成皮
革の場合にはプラスチックと一体成形しても１合成皮革
を金型と接する側に当てて金型により合成皮革を冷却す
るとともに、合成樹脂材料の熱は布材を介して合成皮革
に伝達しないようにすれば、合成皮革は溶融しないこと
を見い出した。Therefore, the present inventor thought that if synthetic leather was integrally molded during plastic molding, the synthetic leather would also deform into a spherical shape due to the heat and molding pressure during molding.As a result of various research, the inventor found that Synthetic leather, which was previously thought to be melted and destroyed, can be molded integrally with plastic in the case of fabric-lined synthetic leather. We have discovered that if the synthetic leather is cooled and the heat of the synthetic resin material is not transmitted to the synthetic leather through the fabric, the synthetic leather will not melt.
く問題点を解決するための手段〉
そこで、この発明にかかる合成皮革被覆プラスチック製
品及び合成皮革を一体成形したプラスチック製品の製法
方法は、プラスチック製品を射出成形するに際し、合成
樹脂材料を注入する金型と反対の金型の上に、布材を裏
打ちした合成皮革の布材を合成樹脂材料を注入する金型
側に向けて載置し、その後通常の方法により合成樹脂材
料を射出して成形するようにし、成形時に合成皮革は合
成樹脂材料とは布材を介して接するようにし。Means for Solving the Problems> Therefore, the method for manufacturing synthetic leather-covered plastic products and plastic products integrally molded with synthetic leather according to the present invention is a method for producing synthetic leather-coated plastic products and plastic products integrally molded with synthetic leather. A synthetic leather fabric lined with cloth is placed on the mold opposite to the mold, facing the side of the mold where the synthetic resin material is injected, and then the synthetic resin material is injected and molded using the usual method. During molding, the synthetic leather should come into contact with the synthetic resin material through the cloth material.
成形時に合成皮革自体の温度は溶融しない程度までしか
温度が上昇しないようにして、布材と合成樹脂材料が接
着するようにし、合成皮革とプラスチックが一体成形さ
れるようにしたものである。During molding, the temperature of the synthetic leather itself is raised only to a level that does not melt, so that the cloth material and synthetic resin material adhere to each other, and the synthetic leather and plastic are integrally molded.
く実 施 例〉
次に、この発明にかかる合成皮革被覆プラスチック製品
及び合成皮革を一体成形したプラスチック製品の製法方
法の一実施例を限鏡ケースの製造を例にとって説明する
。ｌ、２は一対をなす成形用金型であり、ｌは下側に位
置して固定型となる雌型であり、２は前記雌型ｌに対応
する雄型である。また雄型２には、注入バイブ３が連結
されており、合成樹脂材料が注入されるようになってい
る。４は合成皮革５に裏打ちした布材であり、成形時に
、雌型１の上に、前記４を裏打ちした合成皮革５を、布
材４が雄型２側となり２合成皮革５が雌型ｌと接する向
きとなるように載せる。そして、通常の方法により射出
成形を行なう、雌型ｌと雄型２を合わすと、合成皮革５
はこの両型１．２に挟まれて固定され、そして、雄型２
側から合成樹脂材料が注入されると、この圧力により合
成皮革５は雌型ｌの形状に沿って変形する。すると、合
成樹脂材料と布材４が接着して、プラスチック６と合成
皮革５が一体成形されることになる０両型１，２を合わ
して合成樹脂材料を注入すると、合成皮革５は熱及び圧
力により、雌型ｌの形状に沿うように変形を加えられる
ので、複雑な三次元の曲面に対しても一体成形を行なう
ことができる。また、より深い形状のものの場合には、
バキューム成形を行なうことにより、どのような形状に
対しても一体成形を行なうことができる。Embodiment Next, an embodiment of the method for manufacturing a synthetic leather-coated plastic product and a plastic product integrally molded with synthetic leather according to the present invention will be described using the production of a mirror case as an example. 1 and 2 are a pair of molding molds, 1 is a female mold located on the lower side and serves as a fixed mold, and 2 is a male mold corresponding to the female mold 1. Further, an injection vibrator 3 is connected to the male mold 2, and a synthetic resin material is injected therein. 4 is a cloth material lined with synthetic leather 5, and during molding, the synthetic leather 5 lined with said 4 is placed on the female mold 1, with the cloth material 4 on the male mold 2 side and the synthetic leather 5 on the female mold l side. Place it so that it is in contact with the Then, when the female mold 1 and the male mold 2, which are injection molded using a normal method, are combined, synthetic leather 5
is fixed between both molds 1 and 2, and the male mold 2
When the synthetic resin material is injected from the side, the pressure causes the synthetic leather 5 to deform along the shape of the female mold l. Then, the synthetic resin material and the cloth material 4 are bonded together, and the plastic 6 and the synthetic leather 5 are integrally molded.When the two molds 1 and 2 are put together and the synthetic resin material is injected, the synthetic leather 5 is heated and Since it is deformed by pressure so as to follow the shape of the female die l, it is possible to integrally mold even complex three-dimensional curved surfaces. Also, in the case of deeper shapes,
By performing vacuum molding, it is possible to integrally mold any shape.
なお、プラスチックの成形時の合成樹脂材料の温度は一
般的に１５０℃〜２００℃位であり、合成皮革５の耐熱
温度は一般的には８０℃〜１２０℃である。したがって
、注入された合成樹脂材料と合成皮革５が直接接した場
合には、合成皮革・５は溶融してしまうことは事実であ
る。しかし、本発明では布材４を裏打ちしてある合成皮
革５を使用し、注入された合成樹脂材料とは布材４が接
し、合成皮革５が直接合成樹脂材料と接しないようにし
、かつ雌型ｌは冷却することが常であるので、合成皮革
５は溶融せず、逆に丁度柔軟性を晶出する温度位にほど
よく加熱され、雌型１に沿って簡単に無理なく変形する
ことになる。よって、曲面部も無理なくきれいに成形す
ることができる。The temperature of the synthetic resin material during plastic molding is generally about 150°C to 200°C, and the heat resistance temperature of the synthetic leather 5 is generally 80°C to 120°C. Therefore, it is true that if the injected synthetic resin material and the synthetic leather 5 come into direct contact, the synthetic leather 5 will melt. However, in the present invention, the synthetic leather 5 lined with the cloth material 4 is used, and the cloth material 4 is in contact with the injected synthetic resin material, and the synthetic leather 5 is not in direct contact with the synthetic resin material, and Since the mold 1 is usually cooled, the synthetic leather 5 does not melt, but rather is heated to a temperature that just crystallizes its flexibility, and is easily and effortlessly deformed along the female mold 1. become. Therefore, even curved parts can be formed neatly and without difficulty.
本発明において成形可能なプラスチックとしては、射出
成形をすることができるものならば熱可塑性樹脂でも熱
硬化性樹脂でもどちらでもよい。In the present invention, the moldable plastic may be either a thermoplastic resin or a thermosetting resin as long as it can be injection molded.
また、合成皮革５の裏打ち材としての布材４としては、
不織布、平織り、メリヤス等各種の布材のものが使用で
きる。In addition, as the cloth material 4 as a lining material for the synthetic leather 5,
Various fabric materials such as non-woven fabric, plain woven fabric, knitted fabric, etc. can be used.
また、雌型ｌに皮革風のシボを形成しておいたり１文字
等を形成しておけば、合成皮革５をこれらの形状が表わ
れるように成形することもでき、従来接着剤により貼着
したのでは表現できなかったような形状にも応用するこ
とができる。In addition, if a leather-like grain or a single character is formed on the female mold l, the synthetic leather 5 can be molded so that these shapes appear, and it is not possible to attach it with conventional adhesive. It can also be applied to shapes that could not be expressed otherwise.
〈発明の効果〉
以上述べたように、この発明にかかる合成皮革被覆プラ
スチック製品によれば布材を裏打ちしてある合成皮革と
プラスチックとが一体成形しであるので１合成皮革とプ
ラスチックの接着が強固であり、また一体感のある製品
となる。そしてこの発明にかかる合成皮革を一体成形し
たプラスチック製品の製法方法によれば、プラスチック
製品を射出成形するに際し、合成樹脂材料を注入する金
型と反対の金型の上に、布材を裏打ちした合成皮革の布
材を合成樹脂材料を注入する金型側に向けて＃１．置し
、その後通常の方法により合成樹脂材料を射出して成形
するようにしたので、三次元の曲面に対しても、合成皮
革をプラスチックの表面にきれいに被覆することができ
、しかもその製造方法きわめて簡単であり、その効果は
きわめて大である。<Effects of the Invention> As described above, according to the synthetic leather-covered plastic product according to the present invention, the synthetic leather backed with cloth material and the plastic are integrally molded, so that the adhesion between the synthetic leather and the plastic is improved. The product is strong and has a sense of unity. According to the method of manufacturing a plastic product integrally molded with synthetic leather according to the present invention, when injection molding a plastic product, the mold opposite to the mold into which the synthetic resin material is injected is lined with a cloth material. Place the synthetic leather cloth material #1 toward the mold side where the synthetic resin material will be injected. Then, the synthetic resin material is injected and molded using the usual method, so the synthetic leather can be neatly coated on the plastic surface even on three-dimensional curved surfaces, and the manufacturing method is extremely simple. It is simple and its effects are extremely large.
図面はこの発明にかかる合成皮革被覆プラスチック製品
及び合成皮革を一体成形したプラスチック製品の製法方
法の一実施例を示したものであり、第１図は眼鏡ケース
の製造方法を示す断面図、第２図は成形状態を示す断面
図、第３図は眼鏡ケースの断面図である。
１・・・雌型
２・・・雄型
３・・・注入パイプ
４・・・布材
５・・・合成皮革
６・・・プラスチックThe drawings show an embodiment of the method for manufacturing a synthetic leather-coated plastic product and a plastic product integrally molded with synthetic leather according to the present invention, and FIG. 1 is a sectional view showing the method for manufacturing an eyeglass case, The figure is a sectional view showing the molded state, and FIG. 3 is a sectional view of the eyeglass case. 1... Female mold 2... Male mold 3... Injection pipe 4... Cloth material 5... Synthetic leather 6... Plastic
Claims (1)
一体成形してあることを特徴とする合成皮革被覆プラス
チック製品。 ２ プラスチック製品を射出成形するに際し、合成樹脂
材料を注入する金型と反対の金型の上に、布材を裏打ち
した合成皮革の布材を合成樹脂材料を注入する金型側に
向けて載置し、その後通常の方法により合成樹脂材料を
射出して成形するようにしたことを特徴とする合成皮革
を一体成形したプラスチック製品の製法方法。[Scope of Claims] 1. A synthetic leather-covered plastic product characterized by integrally molding synthetic leather lined with cloth material and plastic. 2. When injection molding plastic products, a synthetic leather fabric lined with a cloth material is placed on the mold opposite to the mold into which the synthetic resin material is injected, facing towards the side of the mold into which the synthetic resin material is injected. 1. A method for manufacturing a plastic product integrally molded with synthetic leather, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209440A JPH0259314A (en) | 1988-08-25 | 1988-08-25 | Synthetic leather coated plastic product and manufacture of plastic product monolithically molded with synthetic leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209440A JPH0259314A (en) | 1988-08-25 | 1988-08-25 | Synthetic leather coated plastic product and manufacture of plastic product monolithically molded with synthetic leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259314A true JPH0259314A (en) | 1990-02-28 |
| JPH0523933B2 JPH0523933B2 (en) | 1993-04-06 |
Family
ID=16572897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63209440A Granted JPH0259314A (en) | 1988-08-25 | 1988-08-25 | Synthetic leather coated plastic product and manufacture of plastic product monolithically molded with synthetic leather |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259314A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1157799A1 (en) * | 2000-05-25 | 2001-11-28 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Housing shell for a communication device |
| JP2004291637A (en) * | 2003-03-13 | 2004-10-21 | Toray Ind Inc | Synthetic resin molding and its manufacturing process |
| KR100476065B1 (en) * | 2002-03-11 | 2005-03-15 | 피닉스코리아 주식회사 | Plastic resin moulding product with skin and method for making the same |
| JP2007176102A (en) * | 2005-12-28 | 2007-07-12 | Sharp Corp | Insert molding method of cabinet of electronic device and electronic device having cabinet covered with cover made of leather |
| JP2019108619A (en) * | 2017-12-15 | 2019-07-04 | 株式会社クラレ | Artificial leather with embroidery, decorative formed body, and production method of these |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7919659B2 (en) * | 2004-07-09 | 2011-04-05 | Asahi Kasei Chemicals Corporation | Catalyst for cycloolefin production and process for production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59142937A (en) * | 1983-01-28 | 1984-08-16 | 吉田工業株式会社 | Vessel made of synthetic resin on which synthetic leather isfixed and manufacture thereof |
| JPS60212313A (en) * | 1984-04-06 | 1985-10-24 | Toyota Motor Corp | Laminated molding provided with intermediate material |
| JPS6114944A (en) * | 1984-06-30 | 1986-01-23 | 豊田合成株式会社 | Resin molded shape with foamed sheet |
| JPS6114955A (en) * | 1984-06-30 | 1986-01-23 | 豊田合成株式会社 | Decorative molded shape |
| JPS62162081A (en) * | 1985-12-28 | 1987-07-17 | Yoshida Kogyo Kk <Ykk> | Molded synthetic resin article coating synthetic leather and production thereof |
-
1988
- 1988-08-25 JP JP63209440A patent/JPH0259314A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59142937A (en) * | 1983-01-28 | 1984-08-16 | 吉田工業株式会社 | Vessel made of synthetic resin on which synthetic leather isfixed and manufacture thereof |
| JPS60212313A (en) * | 1984-04-06 | 1985-10-24 | Toyota Motor Corp | Laminated molding provided with intermediate material |
| JPS6114944A (en) * | 1984-06-30 | 1986-01-23 | 豊田合成株式会社 | Resin molded shape with foamed sheet |
| JPS6114955A (en) * | 1984-06-30 | 1986-01-23 | 豊田合成株式会社 | Decorative molded shape |
| JPS62162081A (en) * | 1985-12-28 | 1987-07-17 | Yoshida Kogyo Kk <Ykk> | Molded synthetic resin article coating synthetic leather and production thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1157799A1 (en) * | 2000-05-25 | 2001-11-28 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Housing shell for a communication device |
| KR100476065B1 (en) * | 2002-03-11 | 2005-03-15 | 피닉스코리아 주식회사 | Plastic resin moulding product with skin and method for making the same |
| JP2004291637A (en) * | 2003-03-13 | 2004-10-21 | Toray Ind Inc | Synthetic resin molding and its manufacturing process |
| JP4595355B2 (en) * | 2003-03-13 | 2010-12-08 | 東レ株式会社 | Synthetic resin molding and method for producing the same |
| JP2007176102A (en) * | 2005-12-28 | 2007-07-12 | Sharp Corp | Insert molding method of cabinet of electronic device and electronic device having cabinet covered with cover made of leather |
| JP2019108619A (en) * | 2017-12-15 | 2019-07-04 | 株式会社クラレ | Artificial leather with embroidery, decorative formed body, and production method of these |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0523933B2 (en) | 1993-04-06 |
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