KR100301209B1 - Manufacturing method of lamp shade made use of acryl board of korean paper pattern - Google Patents

Manufacturing method of lamp shade made use of acryl board of korean paper pattern Download PDF

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Publication number
KR100301209B1
KR100301209B1 KR1019990019526A KR19990019526A KR100301209B1 KR 100301209 B1 KR100301209 B1 KR 100301209B1 KR 1019990019526 A KR1019990019526 A KR 1019990019526A KR 19990019526 A KR19990019526 A KR 19990019526A KR 100301209 B1 KR100301209 B1 KR 100301209B1
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pattern
korean paper
acrylic plate
manufacturing
lamp shade
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KR1019990019526A
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Korean (ko)
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KR19990073130A (en
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김경수
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김경수
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/26Manufacturing shades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14Covers for frames; Frameless shades
    • F21V1/16Covers for frames; Frameless shades characterised by the material
    • F21V1/22Covers for frames; Frameless shades characterised by the material the material being plastics

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

PURPOSE: A method for manufacturing lamp cover is provided to prevent de-coloring of paint by using a painting material having a coefficient of thermal expansion same as that of the acrylic plate, while maintaining transmissibility of light source. CONSTITUTION: A method comprises a first step of spraying a painting material having a coefficient of thermal expansion same as that of the acrylic plate, to the surface of the plate; a second step of expressing a Korean paper pattern by forming a pattern through the use of a brush; a third step of pre-heating the resultant structure at the temperature higher than 200 Deg.C; and a fourth step of performing a high press finishing process.

Description

한지무늬 아크릴판을 이용한 전등갓의 제조방법{Manufacturing method of lamp shade made use of acryl board of korean paper pattern}Manufacturing method of lamp shade made of acryl board of korean paper pattern}

본 발명은 한지무늬를 갖는 아크릴판을 이용하여 전등갓을 제조하는 방법에 관한 것으로서, 더욱 상세하게는 아크릴판에 한지무늬를 가공함으로써 램프 점등시 은은한 불빛을 느낄수 있게 하고, 특히 아크릴판과 열팽창 계수가 같은 투명도료를 사용하여 투명성을 최대한 유지하여 광원의 투과율이 낮아지지 않으며 도료의 탈락이 적고, 다양한 형상을 갖는 전등갓의 제조방법을 제공함을 그 목적으로 한다.The present invention relates to a method of manufacturing a lampshade using an acrylic plate having a Hanji pattern, and more particularly, by processing the Hanji pattern on the acrylic plate to feel a soft light when the lamp is lit, especially the acrylic plate and the coefficient of thermal expansion It is an object of the present invention to provide a method of manufacturing a lampshade having various shapes, by using the same transparent paint to maintain the maximum transparency, the transmittance of the light source is not lowered, the paint is less falling off.

일반적으로 아크릴 수지란 메타크릴산 메틸을 주원료로 하는 합성수지의 일종으로서 1850년경 레튼벡춰(Redtenbacher)가 아크로레인의 산화에 의해 아크릴산을 제조한 것이 아크릴분야의 연구 시초로서 1937년 영국 ICI사가 처음 폴리메타크릴산 메틸의 공업적 제조를 시작한 것이다. 이와같은 이크릴은 무색 투명, 염.안료에 의한 착색이 자유롭고 강인하고 견고하며 표면 광택이 좋으며 내후성과 성형성, 기계 가공성이 우수하며 인체에 독성이 없는 특성을 갖는 것으로, 그 제조방식은캐스팅(CASTING)방식과 압출방식으로 크게 나눌수 있으며, 캐스팅방식은 액상의 아크릴원료(MMA)에 중합제를 혼합하여 고형화(PMMA)하는 과정을 틀에서 완성하는 방법으로 주로 판재의 성형에 사용하며 반면에, 압출방식은 고형화(PMMA)된 아크릴 재료를 금형을 사용하여 사출성형하는 방법으로서 주로 형상물이나 무늬있는 판재에 사용하는 것이다.Generally, acrylic resin is a kind of synthetic resin whose main material is methyl methacrylate, which was produced by Redtenbacher in 1850 by the oxidation of acrolein. Industrial production of methyl methacrylate was started. These acrylics are colorless, transparent, free of coloration by salts and pigments, have strong, robust, good surface gloss, excellent weatherability, moldability, machinability, and non-toxicity to human body. CASTING) and extrusion methods are largely divided into casting methods, and casting methods are mainly used for forming sheet materials by completing the process of solidifying (PMMA) by mixing a polymer with a liquid acrylic raw material (MMA). The extrusion method is a method of injection molding a solidified (PMMA) acrylic material using a mold, and is mainly used for a shape or a patterned plate.

이와같은 아크릴을 이용하는 분야는 각종 광고판, 실내장식용 조명장치용 등등 널리 애용하고 있으나, 특히 전등갓에서 사용하는 종래의 일반 크린 아크릴판에 한지무늬등을 형성할 경우에는 아크릴판과 판 사이에 한지를 접착하여 예열 성형하는 방법으로 한지무늬를 표현했으나, 이러한 방법으로 제조할 경우 곡면 성형시 한지 부분이 파손되므로 다중 곡면 아크릴판에는 사용이 불가하여 평면판에만 사용해야 하는 점과 아크릴판이 상부 및 하부에 이중으로 사용됨으로서 비용면에서도 과다한 문제점이 있었다. 또한, 아크릴판과 한지의 열팽창 계수가 달라서 예열 성형시 변형, 접착면의 탈락, 접착제의 열·화학적 변화로 인해 제품이 변질되었고 한지의 고유 무늬로만 제한되어 다양성을 줄 수 없다. 그리고, 80℃이상 가열되면 성형면이 변형되고 실크 스크린 인쇄 작업으로 열처리가 불가능하였다. 광원의 투과율 또한 20-30% 가량 낮아졌다.Such fields using acrylic are widely used for various advertisement boards, interior lighting devices, etc., but in the case of forming a Korean paper pattern on a conventional general clean acrylic plate used in lampshade, the paper is adhered between the acrylic plate and the plate. Hanji pattern was expressed by the method of preheating, but if manufactured by this method, the part of Hanji is broken during curved molding, so it cannot be used on multi-curved acrylic plates, and the acrylic plate is used on the upper and lower parts. As used, there was an excessive problem in terms of cost. In addition, the thermal expansion coefficient of the acrylic plate and the Hanji is different, the product is deteriorated due to deformation during the preheating molding, dropping of the adhesive surface, and thermal and chemical changes of the adhesive, and can not give a variety because it is limited to the unique pattern of the Hanji. In addition, when heated to 80 ℃ or more, the molding surface is deformed and heat treatment was impossible by silk screen printing. The transmittance of the light source was also lowered by about 20-30%.

한지무늬 스티커를 성형된 유리에 부착하여 한지무늬를 표현하는 방법이 있으나, 이 방법 또한 광원의 투과율이 20-30% 가량 낮아질 수 있고, 유리 제품의 특성상 파손이 쉽고 설치가 어려우며, 인쇄된 스티커의 무늬가 획일적이고 비용이 많이 든다는 문제점이 있었다.There is a method of expressing Hanji pattern by attaching a Hanji pattern sticker to the molded glass, but this method can also reduce the transmittance of the light source by about 20-30%, and due to the characteristics of the glass product, it is easy to be broken and difficult to install, The problem is that the pattern is uniform and expensive.

따라서, 본 발명은 상기의 문제점을 해결하기 위하여 『아크릴판과 같은 열팽창 계수를 갖는 특수 도료를 사용하여 성형전의 원판 또는 성형 제품의 표면에 1차로 스프레이하는 단계; 솔붓을 사용하여 2차로 무늬 가공하여 한지 무늬를 표현하는 단계; 200℃ 이상의 고온에서 예열하는 단계; 고압 프레스 성형하는 단계』로 한지무늬를 가공하여 제조함으로서 램프 점등시 은은한 불빛을 느낄수 있고 광원의 투과율이 낮아지지 않으며 변색의 우려가 전혀없을 뿐만 아니라 취급. 설치등이 용이한 전등갓을 제공함으로서 상기의 문제점을 해결하였다.Accordingly, the present invention is to solve the above problems "primary spraying on the surface of the original or molded product before molding using a special paint having a thermal expansion coefficient such as acrylic plate; Expressing the pattern of the Korean paper by second pattern processing using a brush brush; Preheating at a high temperature of 200 ° C. or higher; It is manufactured by processing Korean paper pattern in the step of high pressure press molding, so when the lamp is turned on, you can feel the soft light, the transmittance of the light source is not lowered, and there is no fear of discoloration. The above problem is solved by providing a lampshade that is easy to install.

이하, 본 발명의 구체적인 구성과 작용을 설명한다.Hereinafter, the specific configuration and operation of the present invention.

본 발명은 아크릴판과 같은 열팽창 계수를 갖는 특수 도료를 사용하여 성형전의 원판 또는 성형 제품의 표면에 1차로 스프레이하는 단계; 솔붓을 사용하여 2차로 무늬 가공하여 한지 무늬를 표현하는 단계; 200℃ 이상의 고온에서 예열하는 단계; 고압 프레스 성형하는 단계로 구성되어 있다.The present invention comprises the steps of spraying primarily on the surface of the master or molded product before molding using a special paint having a coefficient of thermal expansion such as an acrylic plate; Expressing the pattern of the Korean paper by second pattern processing using a brush brush; Preheating at a high temperature of 200 ° C. or higher; It consists of the steps of high pressure press molding.

제 1 단계에서 아크릴판은 액상의 원료에 중합제를 혼합하여 틀에서 고형화(PMMA)하거나, 고형화가 완료된 아크릴 재료를 금형을 사용하여 사출성형함으로써 얻어진다. 제 2 단계에서 사용될 수 있는 특수도료는 아크릴 우레아 수지 45%, 펄 화이트 10%, 톨루엔 15%, 크실렌 15%, 초산에칠 5%, 초산부칠 10%를 포함한다. 이러한 특수도료를 사용함으로써 사용중 광원의 점멸에 따른 발열에 의한 팽창 및 수축에 의한 도료의 탈락을 방지할 수 있고 투명성을 최대한 유지하여 광원의 투과율을 유지할 수 있다. 제 3 단계에서 수작업에 의해서 나뭇잎사귀, 동물형상, 각종 캐릭터등 고객의 주문에 대하여 다양한 무늬를 연출할 수 있다. 제 4, 5 단계에서 200℃에서 예열한 후 고압성형 하므로 전수 무늬도색면이 열처리 된다.In the first step, the acrylic plate is obtained by mixing the polymer in a liquid raw material to solidify in a mold (PMMA), or by injection molding an acrylic material that has been solidified using a mold. Special paints that can be used in the second stage include 45% acrylic urea resin, 10% pearl white, 15% toluene, 15% xylene, 5% ethyl acetate, and 10% acetic acid. By using such a special paint, it is possible to prevent the paint from falling off due to the expansion and contraction due to the heat generated by the flashing of the light source during use, and to maintain the transparency to maintain the transmittance of the light source. In the third step, various patterns can be produced according to customer's order such as leaves, animal shapes, and various characters. After preheating at 200 ° C. in the fourth and fifth stages, high pressure molding is performed so that the entire surface of the paint is heat-treated.

이상 설명한 바와 같이, 본 발명은 수작업에 의해 다양한 무늬를 가질수 있고, 200℃ 이상의 고온에서 열처리 하므로 변색의 우려가 없고 유리제품 보다는 취급이 수월하고 파손이 적은 다양한 형상의 제품을 얻을 수 있는 효과가 있다. 또한, 본 발명은 아크릴판과 같은 열팽창 계수를 갖는 투명한 특수 도료를 이용하므로써 광원의 점멸에 따른 발열에 의한 팽창 및 수축에 의한 도료의 탈락을 막을 수 있고, 투명성이 높아져 광원의 투과율을 유지할 수 있어 에너지 코스트를 절감하는 효과가 있어 에너지산업상 매우 유용한 발명이다.As described above, the present invention can have a variety of patterns by manual work, heat treatment at a high temperature of 200 ℃ or more, there is no fear of discoloration, there is an effect that can be obtained a variety of shapes of products easier to handle and less damage than glass products. . In addition, the present invention can prevent the fall of the paint due to expansion and contraction due to the heat generated by the flashing of the light source by using a transparent special paint having a coefficient of thermal expansion such as acrylic plate, the transparency can be increased to maintain the transmittance of the light source It is very useful invention for energy industry because it has the effect of reducing energy cost.

이상에서 본 발명을 특정의 바람직한 실시 예를 들어 도시하고 설명하였으나, 본 발명은 상기한 실시 예에 한정되지 아니하며 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경과 수정이 가능할 수 있을 것이다.While the invention has been shown and described with reference to certain preferred embodiments, the invention is not limited to the embodiments described above, but has a common knowledge in the art to which the invention pertains without departing from the spirit of the invention. Various changes and modifications may be made by the user.

Claims (1)

아크릴판과 같은 열팽창 계수를 갖는 특수 도료를 사용하여 성형전의 원판 또는 성형 제품의 표면에 1차로 스프레이하는 단계;Spraying primarily on the surface of the original or molded product before molding using a special paint having a coefficient of thermal expansion such as an acrylic plate; 솔붓을 사용하여 2차로 무늬 가공하여 한지 무늬를 표현하는 단계;Expressing the pattern of the Korean paper by second pattern processing using a brush brush; 200℃ 이상의 고온에서 예열하는 단계;Preheating at a high temperature of 200 ° C. or higher; 고압 프레스 성형하는 단계로 이루어진 것을 특징으로 하는 한지무늬 아크릴판을 이용한 전등갓의 제조방법.Method of producing a lamp shade using a hanji pattern acrylic plate, characterized in that the step of forming a high pressure press.
KR1019990019526A 1999-05-28 1999-05-28 Manufacturing method of lamp shade made use of acryl board of korean paper pattern KR100301209B1 (en)

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KR100301209B1 true KR100301209B1 (en) 2001-09-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09245510A (en) * 1996-03-04 1997-09-19 Takagi Kogeisha:Kk Luminaire cover and manufacture thereof
JPH09245509A (en) * 1996-03-11 1997-09-19 Matsushita Electric Ind Co Ltd Luminaire and molding method
JPH10199313A (en) * 1996-12-31 1998-07-31 Mie Hokusei Chiiki Jiba Sangyo Shinko Center Manufacture of lamp shade
JPH10321022A (en) * 1997-05-19 1998-12-04 Taiho Sangyo Group Kk Manufacture of lampshade

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09245510A (en) * 1996-03-04 1997-09-19 Takagi Kogeisha:Kk Luminaire cover and manufacture thereof
JPH09245509A (en) * 1996-03-11 1997-09-19 Matsushita Electric Ind Co Ltd Luminaire and molding method
JPH10199313A (en) * 1996-12-31 1998-07-31 Mie Hokusei Chiiki Jiba Sangyo Shinko Center Manufacture of lamp shade
JPH10321022A (en) * 1997-05-19 1998-12-04 Taiho Sangyo Group Kk Manufacture of lampshade

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