KR100376212B1 - Method for treating surface of plastic to be misty - Google Patents

Method for treating surface of plastic to be misty Download PDF

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Publication number
KR100376212B1
KR100376212B1 KR10-2000-0035433A KR20000035433A KR100376212B1 KR 100376212 B1 KR100376212 B1 KR 100376212B1 KR 20000035433 A KR20000035433 A KR 20000035433A KR 100376212 B1 KR100376212 B1 KR 100376212B1
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South Korea
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silicone rubber
plastic
present
matte
container
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KR10-2000-0035433A
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Korean (ko)
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KR20020000616A (en
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김희경
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김희경
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/02—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413—Heating with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2201/00—Polymeric substrate or laminate
    • B05D2201/02—Polymeric substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2518/00—Other type of polymers
    • B05D2518/10—Silicon-containing polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2530/00—Rubber or the like

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

본 발명은 플라스틱의 표면을 무광처리하는 방법에 관한 것이다. 본 발명의 목적은 공해를 유발하지 않고, 다양한 문양을 용이하게 표현할 수 있으며, 무광효과의 강약조절을 용이하게 할 수 있고, 비용이 적게 드는 플라스틱 표면의 무광처리방법을 제공하는 것이다.The present invention relates to a method of matting the surface of plastics. SUMMARY OF THE INVENTION An object of the present invention is to provide a matte treatment method of a plastic surface, which can easily express various patterns, can easily control the strength and weakness of a matte effect, without causing pollution.

본 발명의 방법은 핫스탬핑머신의 실리콘고무부착부에 부착된 평평한 실리콘고무 또는 소정 형상으로 양각된 실리콘고무를 소정 온도 및 압력으로 플라스틱 표면에 직접 접촉시켜 상기 플라스틱 표면의 그 접촉부위가 무광처리되도록 하는 것이다.According to the method of the present invention, a flat silicone rubber attached to a silicone rubber attachment portion of a hot stamping machine or a silicone rubber embossed into a predetermined shape is brought into direct contact with the plastic surface at a predetermined temperature and pressure so that the contact portion of the plastic surface is matted. It is.

본 발명의 방법은 공해를 유발하지 않고, 다양한 문양을 용이하게 표현할 수 있으며, 무광효과의 강약조절을 용이하게 할 수 있고, 비용이 적게 든다.The method of the present invention can easily express various patterns without causing pollution, can easily control the intensity of the matte effect, and the cost is low.

Description

플라스틱 표면의 무광처리방법{Method for treating surface of plastic to be misty}Method for treating surface of plastic to be misty}

본 발명은 플라스틱 표면을 무광처리하는 방법에 관한 것이다.The present invention relates to a method of matting a plastic surface.

플라스틱 표면의 무광처리는 보통 투명한 플라스틱용기의 표면을 뿌옇게 처리하는 것을 말하는데 이러한 처리는 통상 용기의 미감을 높이기 위해서 시행된다. 이러한 처리는 용기의 몸통면 전체 또는 일부에 대해서 할 수도 있고, 그 몸통면 일부에서 어떤 글자나 문양 자체가 뿌옇게 되도록 할 수도 있다.The matting of plastic surfaces usually refers to the clouding of transparent plastic containers, which is usually done to enhance the aesthetics of the container. This may be done for the whole or part of the body of the container, or may cause some letters or patterns to become cloudy on the part of the body.

투명한 화장품 용기의 경우 무광처리를 하는 경우가 많은데 예를 들어 소위 에센스라는 화장품의 용기의 약 70% 정도는 이러한 처리를 한 것이다.Transparent cosmetic containers are often matte-treated, for example, about 70% of cosmetic containers called essences have been treated.

이러한 무광처리방법으로서 샌딩(sanding)방법이 있다. 이 방법은 글자 그대로 모래 등으로 용기 표면을 마모시켜 무광효과를 내는 것으로서, 용기 표면상에 무광효과를 균일하게 내기 어렵고 대량생산이 어려워 현재는 많이 사용하지 않는 방법이다.There is a sanding method as such a matte treatment method. This method literally wears the surface of the container with sand or the like to produce a matte effect. It is difficult to produce a matte effect on the surface of the container uniformly and is difficult to mass produce.

이 밖의 무광처리방법으로서 코팅방법이 있다. 이 방법은 투명용기 표면에 뿌옇게 무광액을 스프레이하는 방법이다. 이 방법은 화학약품인 무광액을 스프레이하기 때문에 공해유발의 문제가 있다.Another matting method is a coating method. This method is to spray a matte liquid on the surface of the transparent container. This method has a problem of causing pollution because it sprays the chemical matte liquid.

다른 방법으로서 금형부식방법이 있다. 이 방법은 플라스틱용기를 성형하는 사출금형의 내면을 부식시켜 사출성형에 의해서 바로 용기 자체에 무광효과를 주는 방법이다. 이 방법에 의하면 하나의 부식금형에 하나의 문양만이 표현가능하므로 다양한 문양을 표현하는데 한계가 있었으며, 무광효과의 강약조절(즉, 뿌연정도의 차이조절)이 불가능하였다.Another method is a mold corrosion method. In this method, the inner surface of an injection mold for molding a plastic container is corroded to give a matt effect directly to the container itself by injection molding. According to this method, since only one pattern can be expressed in one corrosion mold, there was a limit in expressing various patterns, and it was impossible to control the strength and weakness of the matte effect (ie, controlling the difference in the degree of blurring).

본 발명의 목적은 공해를 유발하지 않고, 다양한 문양을 용이하게 표현할 수 있으며, 무광효과의 강약조절을 용이하게 할 수 있고, 비용이 적게 드는 플라스틱 표면의 무광처리방법을 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a matte treatment method of a plastic surface, which can easily express various patterns, can easily control the strength and weakness of a matte effect, without causing pollution.

도 1은 본 발명의 일실시예에 따른 무광처리방법을 설명하기 위한 도면1 is a view for explaining a matte processing method according to an embodiment of the present invention

※도면의 주요부분에 대한 부호의 설명※ Explanation of symbols for main parts of drawing

10: 실리콘고무부착부 20: 실리콘고무10: silicone rubber attachment part 20: silicone rubber

30: 플라스틱용기 40: 롤러30: plastic container 40: roller

상기 목적을 달성하기 위하여 본 발명에 의한 플라스틱 표면의 무광처리방법은 핫스탬핑머신의 실리콘고무부착부에 부착된 평평한 실리콘고무 또는 소정 형상으로 양각된 실리콘고무를 소정 온도 및 압력으로 플라스틱 표면에 직접 접촉시켜 상기 플라스틱 표면의 그 접촉부위가 무광처리되도록 하는 것이다.In order to achieve the above object, the matte surface treatment method of the plastic surface according to the present invention is a flat silicone rubber attached to the silicon rubber attachment portion of the hot stamping machine or silicon rubber embossed in a predetermined shape directly contact the plastic surface at a predetermined temperature and pressure. To make the contact area of the plastic surface matte.

이하에서 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

플라스틱용기 표면에 금박이나 은박 등의 글자나 문양을 넣고자 할 때 핫스탬핑머신(hot stamping machine)이라는 기계가 사용된다. 이 기계에는 도 1에서 보는 바와 같이 실리콘고무부착부(10)가 있으며 거기에 실리콘고무(20)가 탈착될 수 있다. 이 실리콘고무(20)에 어떤 글자나 문양의 볼록형상을 자유롭게 표현할 수 있다. 이것은 투명한 필름에 검은색으로 문양 등을 표현한 후 그것을 본으로 하여 실리콘고무에 양각하는 것에 의해 이루어진다. 이 기술은 핫스탬핑 분야에서 일반적으로 알려진 기술이다.When a character or pattern such as gold foil or silver foil is put on the surface of a plastic container, a machine called a hot stamping machine is used. This machine has a silicone rubber attachment portion 10 as shown in FIG. 1, in which the silicone rubber 20 can be detached. The convex shape of any letter or pattern can be freely expressed on the silicone rubber 20. This is done by expressing a pattern or the like in black on a transparent film and embossing it in silicone rubber as a pattern. This technique is generally known in the hot stamping field.

상기와 같이 특정문양이 양각된 실리콘고무(20)를 실리콘고무부착부(10)에 부착한다. 문양을 넣고자 하는 플라스틱용기(30)를 롤러(40) 위에 얹어놓고 알루미늄호일 (도면에 도시되지 않음)을 실리콘고무(20)와 플라스틱용기(30) 사이에 놓는다. 실리콘고무부착부(10)를 아래로 내려서 가열된 실리콘고무(20)를 플라스틱용기(30)에 접촉시켜 실리콘고무부착부(10)를 수평방향으로 이동시키게 된다. 이렇게 하여 알루미늄호일에서 특정문양 부분만이 플라스틱용기(30)에 접착된다. 이렇게 은박의 문양이 플라스틱용기(30) 표면상에 형성될 수 있으며 금박 문양을 얻고자 하면 알루미늄호일 대신 금색호일을 사용하면 된다.The silicone rubber 20 embossed with a specific pattern as described above is attached to the silicone rubber attachment portion (10). The plastic container 30 to put the pattern is placed on the roller 40 and an aluminum foil (not shown) is placed between the silicone rubber 20 and the plastic container 30. The silicone rubber attachment part 10 is lowered to bring the heated silicone rubber 20 into contact with the plastic container 30 to move the silicone rubber attachment part 10 in a horizontal direction. In this way, only a specific portion of the aluminum foil is bonded to the plastic container (30). The pattern of silver foil may be formed on the surface of the plastic container 30, and gold foil may be used instead of aluminum foil to obtain a gold leaf pattern.

본 발명은 이러한 핫스탬핑 기법을 응용한 것이다. 즉, 이러한 핫스탬핑머신을 사용하되 상기의 알루미늄호일 등의 매개물을 사용하지 않고 양각의 특정문양을 가지는 실리콘고무(20)와 플라스틱용기(30)가 고온, 고압에서 직접 접촉되도록 하는 것이다. 이러한 접촉이 고온, 고압에서 이루어지기 때문에 플라스틱용기(30) 표면상의 접촉부위가 변성되어 뿌옇게(즉 무광처리) 되는 것이다.The present invention applies this hot stamping technique. In other words, by using such a hot stamping machine, the silicon rubber 20 and the plastic container 30 having a specific pattern of relief are directly contacted at high temperature and high pressure without using the medium such as the aluminum foil. Since such contact is made at high temperature and high pressure, the contact portion on the surface of the plastic container 30 is denatured and becomes cloudy (that is, matted).

양각문양 없는 평평한 실리콘고무(20)를 사용하면 플라스틱용기(30)의 몸통면 전체를 무광처리할 수 있다. 이를 이용하여 플라스틱용기(30)의 표면디자인 면에서 다양한 응용이 가능한데, 예를 들어 원통형 투명용기의 경우 실리콘고무로 밀착시킨 후 가열, 가압 상태에서 상기 원통형 투명용기를 반회전만 시키면 플라스틱용기 (30) 몸통면의 반만 무광처리될 것이다. 기타 다양한 응용이 가능하다.Using a flat silicone rubber without an embossed glyph may matte the entire body surface of the plastic container 30. By using this, various applications are possible in terms of the surface design of the plastic container 30. For example, in the case of a cylindrical transparent container, if the cylindrical transparent container is half-turned in a heated and pressurized state after being in close contact with silicone rubber, the plastic container (30 Only half of the body surface will be matte. Various other applications are possible.

전술한 무광처리는 투명한 플라스틱용기에 적용할 때 가장 바람직하다. 즉, 불투명한 용기에도 이 처리가 가능하겠지만 이 경우에는 무광처리한 것과 안한 것을 거의 식별할 수 없기 때문에 무광처리의 의미가 거의 없을 것이다. 이러한 투명 플라스틱용기로 아크릴로니트릴-스티렌 공중합수지(AS수지), 아크릴수지, 폴리스티렌수지 등을 들 수 있다. 무색투명 용기 뿐 아니라 유색투명 용기에 적용해도 미감적 효과가 크며, 반투명용기에도 적용가능하다.The matte treatment described above is most preferred when applied to transparent plastic containers. In other words, this process may be possible in an opaque container, but in this case, the matte process will have little meaning since it can hardly be distinguished from the matte one. Examples of such transparent plastic containers include acrylonitrile-styrene copolymer resins (AS resins), acrylic resins, polystyrene resins, and the like. It can be applied to a transparent container as well as a colorless transparent container.

본 발명의 또 하나의 특징은 플라스틱용기(30)에 가해지는 열과 압력 및 실리콘고무(20)의 강도를 조절하여 무광효과의 강약(즉, 진하게 뿌연 것과 연하게 뿌연 것)을 조절할 수 있다는 것이다.Another feature of the present invention is that it is possible to adjust the strength and strength of the matte effect (that is, dark cloudy and light cloudy) by adjusting the heat and pressure applied to the plastic container 30 and the strength of the silicone rubber 20.

플라스틱용기(30)에 가해지는 열은 실리콘고무부착부(10)로부터 실리콘고무(20)를 통하여 전달된다.Heat applied to the plastic container 30 is transferred from the silicone rubber attachment part 10 through the silicone rubber 20.

플라스틱용기(30)에 가해지는 압력은 스탬핑압력과 공기압에 의하여 결정된다. 스탬핑압력은 실리콘고무부착부(10)가 플라스틱용기(30)를 누르는 압력을 말하며, 공기압은 실리콘고무부착부(10)를 구동하는 실린더(도면에 도시되지 않음)에 가해지는 압력이다. 이 공기압과 스탬핑압력을 상호조절하여 플라스틱용기(30)에 가해지는 적정한 압력이 결정된다.The pressure applied to the plastic container 30 is determined by the stamping pressure and the air pressure. The stamping pressure refers to the pressure at which the silicone rubber attaching part 10 presses the plastic container 30, and the air pressure is the pressure applied to the cylinder (not shown in the drawing) that drives the silicone rubber attaching part 10. By adjusting the air pressure and the stamping pressure mutually, an appropriate pressure applied to the plastic container 30 is determined.

실리콘고무(20)의 강도는 실리콘고무(20)의 딱딱한 정도를 말하며, 플라스틱용기 (30)에 가해지는 압력이 동일하다면 실리콘고무(20)의 강도가 큰 경우가 작은 경우에 비해서 플라스틱용기(30)에 실질적으로 더 큰 압력이 전달될 것이다.The strength of the silicone rubber 20 refers to the hardness of the silicone rubber 20. If the pressure applied to the plastic container 30 is the same, the strength of the silicone rubber 20 is small compared to the case where the strength of the silicone rubber 20 is small. Substantially higher pressure will be delivered.

플라스틱용기(30)에 가해지는 열과 압력이 크고 실리콘고무의 강도가 클수록 무광효과가 커질 것이다.The greater the heat and pressure applied to the plastic container 30 and the greater the strength of the silicone rubber, the greater the matt effect.

본 발명은 플라스틱용기뿐만 아니라 무광효과를 내고자 하는 모든 플라스틱에 적용할 수 있으며 그것이 평면형상이든 곡면형상이든 가리지 않는다. 또한 무광효과는 플라스틱 표면이 열과 압력으로 변성되는 것을 이용한 것이므로 그 재질에 따라 가해지는 열과 압력이 다를 수 있다. 즉, 각 재질에 맞게, 원하는 무광효과의 강약에 맞게 공정조건을 변화시킬 수 있다.The present invention can be applied not only to plastic containers but also to all plastics that want to produce a matt effect, and whether it is flat or curved. In addition, since the matte effect is that the plastic surface is modified with heat and pressure, the heat and pressure applied may vary depending on the material. In other words, the process conditions can be changed according to the strength of the desired matt effect for each material.

전술한 바와 같이 본 발명은 열과 압력만으로 무광효과를 내기 때문에 종래의 코팅방법에서와 같은 공해를 유발하지 않으며, 플라스틱의 표면만을 무광효과를 낼 정도로 변성시키므로 플라스틱 전체의 내열성이나 내화학성에는 영향을 미치지 않는다.As described above, since the present invention produces a matt effect only by heat and pressure, the present invention does not cause pollution as in the conventional coating method, and denatures only the surface of the plastic to give a matt effect, thereby not affecting the heat resistance or chemical resistance of the entire plastic. Do not.

본 발명은 또한 종래의 코팅방법에 비해서 50% 정도의 비용절감 효과가 있다.The present invention is also about 50% cost effective compared to the conventional coating method.

이하에서 본 발명의 바람직한 실시예를 설명한다.Hereinafter, preferred embodiments of the present invention will be described.

실시예 1 내지 7Examples 1-7

핫스탬핑머신의 실리콘고무부착부에 평평한 실리콘고무를 부착하여 하기 표 1의 공정조건으로 아크릴로니트릴-스티렌 공중합수지(AS수지) 재질의 용기에 스탬핑하였다.A flat silicone rubber was attached to the silicone rubber attachment portion of the hot stamping machine and stamped onto a container made of acrylonitrile-styrene copolymer resin (AS resin) under the process conditions shown in Table 1 below.

표 1Table 1

구분division 고무강도Rubber strength 실리콘고무 온도(℃)Silicone rubber temperature (℃) 스탬핑압력(kgf/㎠)Stamping pressure (kgf / ㎠) 공기압(kgf/㎠)Air pressure (kgf / ㎠) 실시예 1Example 1 2525 120120 2.92.9 2.92.9 실시예 2Example 2 3535 140140 2.52.5 1.81.8 실시예 3Example 3 4545 160160 2.12.1 2.52.5 실시예 4Example 4 5555 180180 1.71.7 2.02.0 실시예 5Example 5 6565 200200 3.73.7 1.71.7 실시예 6Example 6 8080 250250 3.13.1 2.52.5 실시예 7Example 7 9090 270270 2.32.3 2.72.7

실시예 1은 무광효과가 가장 약한 것이며 실시예 7이 가장 강한 것이다.Example 1 has the weakest matting effect and Example 7 is the strongest.

본 발명에 의한 플라스틱 표면의 무광처리방법은 공해를 유발하지 않고, 다양한 문양을 용이하게 표현할 수 있으며, 무광효과의 강약조절을 용이하게 할 수 있고, 비용이 적게 든다.The matte treatment method of the plastic surface according to the present invention can easily express various patterns without causing pollution, and can easily control the strength and weakness of the matt effect, and the cost is low.

Claims (3)

핫스탬핑머신의 실리콘고무부착부에 부착된 평평한 실리콘고무 또는 소정 형상으로 양각된 실리콘고무를 120∼270℃의 온도에서 스탬핑압력 1.7∼3.7kgf/㎠의 범위, 공기압 1.7∼2.9kgf/㎠의 범위내에서 상호조절하면서 플라스틱 표면에 직접 접촉시켜 상기 플라스틱 표면의 그 접촉부위가 무광처리되도록 하는 플라스틱 표면의 무광처리방법.Flat silicone rubber attached to the silicone rubber attachment part of the hot stamping machine or silicone rubber embossed into a predetermined shape has a stamping pressure of 1.7 to 3.7 kgf / cm2 at a temperature of 120 to 270 ° C, and an air pressure of 1.7 to 2.9 kgf / cm2. A method of matting a plastic surface such that the contact portion of the plastic surface is matted by direct contact with the plastic surface with mutual control therein. 제1항에 있어서, 상기 플라스틱은 투명한 플라스틱용기인 것을 특징으로 하는 플라스틱 표면의 무광처리방법.The method of claim 1, wherein the plastic is a transparent plastic container. 제2항에 있어서, 상기 투명한 플라스틱용기는 그 재질이 아크릴로니트릴-스티렌 공중합수지, 아크릴수지 또는 폴리스티렌수지인 것을 특징으로 하는 플라스틱 표면의 무광처리방법.The method of claim 2, wherein the transparent plastic container is made of acrylonitrile-styrene copolymer resin, acrylic resin or polystyrene resin.
KR10-2000-0035433A 2000-06-26 2000-06-26 Method for treating surface of plastic to be misty KR100376212B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148851A (en) * 1978-05-15 1979-11-21 Matsushita Electric Works Ltd Production of plastic tile
WO1998024614A1 (en) * 1996-12-04 1998-06-11 Robobond Limited Method of forming ornamented plastics articles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148851A (en) * 1978-05-15 1979-11-21 Matsushita Electric Works Ltd Production of plastic tile
WO1998024614A1 (en) * 1996-12-04 1998-06-11 Robobond Limited Method of forming ornamented plastics articles

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