WO2015026100A1 - Eyeglass frame and method for manufacturing eyeglass frame - Google Patents

Eyeglass frame and method for manufacturing eyeglass frame Download PDF

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Publication number
WO2015026100A1
WO2015026100A1 PCT/KR2014/007557 KR2014007557W WO2015026100A1 WO 2015026100 A1 WO2015026100 A1 WO 2015026100A1 KR 2014007557 W KR2014007557 W KR 2014007557W WO 2015026100 A1 WO2015026100 A1 WO 2015026100A1
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WIPO (PCT)
Prior art keywords
plastic
mold
metal
eyeglass frame
present
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PCT/KR2014/007557
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French (fr)
Korean (ko)
Inventor
이영준
안창대
이상목
김일용
김래선
Original Assignee
Lee Young-Jun
Ahn Chang-Dae
Lee Sang-Mok
Kim Il-Yong
Kim Rae-Seon
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Publication date
Application filed by Lee Young-Jun, Ahn Chang-Dae, Lee Sang-Mok, Kim Il-Yong, Kim Rae-Seon filed Critical Lee Young-Jun
Publication of WO2015026100A1 publication Critical patent/WO2015026100A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D12/00—Producing frames
    • B29D12/02—Spectacle frames
    • 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
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2012/00—Frames
    • B29L2012/005—Spectacle frames
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning

Definitions

  • the present invention relates to a spectacle frame and a method for manufacturing the spectacle frame, and more particularly to a spectacle frame and a manufacturing method thereof produced by a metal insert injection method.
  • FIG. 1 is a schematic perspective view of a conventional eyeglass frame.
  • the spectacle frame 9 is composed of a part made of a plastic injection molded part and a part made of a metal material.
  • the body portion surrounding the eyeglasses (1) and the mounting portion (2) mounted on the ear is mainly made of plastic injection molding, corrugated (3), white paper (4), leg frame (5) and white paper coupling portion (6) Is mainly made of metal.
  • an object of the present invention is to provide a spectacle frame manufactured by metal insert injection can reduce the production time and cost and significantly reduce the defective rate and a manufacturing method thereof. It is.
  • the spectacle frame according to the present invention is a spectacle frame comprising a metal part made of metal and a plastic part made of plastic, wherein the metal part is inserted into a mold formed in a shape corresponding to the plastic part, and then liquid plastic is formed into the mold. It is characterized in that the plastic part and the metal part are integrally formed by curing after injection into the mold.
  • Insert injection-type spectacle frame manufacturing method for manufacturing a spectacle frame comprising a metal part made of metal, and a plastic part made of plastic, preparing a mold formed in a shape corresponding to the plastic part, and Inserting the metal part into a mold, injecting a liquid plastic into the mold, curing the injected plastic, and separating the cured plastic from the mold. do.
  • According to the present invention can reduce the production time and cost of the spectacle frame and can significantly reduce the defective rate.
  • FIG. 1 is a schematic perspective view of a conventional eyeglass frame.
  • FIG. 2 is a schematic exploded perspective view of an eyeglass frame according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of the insert injection-type spectacle frame manufacturing method according to an embodiment of the present invention.
  • FIG. 2 is a schematic exploded perspective view of a spectacle frame according to an embodiment of the present invention
  • Figure 3 is a flow chart of a method for manufacturing an insert injection-type spectacle frame according to an embodiment of the present invention.
  • the spectacle frame 100 has a metal composite structure in which a plastic part made of plastic and a metal part made of metal are mixed.
  • the plastic parts are the body part 10, the mounting part 20 and the connection part 30 surrounding the eyeglasses, and the metal parts are the corrugation 40, the white paper part 50, the white paper coupling part 60 and the legs.
  • Frame 70 is the corrugation 40, the white paper part 50, the white paper coupling part 60 and the legs.
  • a process of making the A portion is performed.
  • a mold having a shape of the A portion is prepared (S10), and the metal part, that is, the cobridge 40 and the white paper portion 50, is formed in the mold.
  • the position at which the metal part is inserted is determined in consideration of the shape of the finished product (that is, the cobridge is located in the middle of the mold, and the white paper is located at both sides of the mold).
  • the liquid plastic thermoplastic plastic
  • the cobridge 40 and the white paper portion 50 are integrally combined with the body portion 10.
  • the production of the A portion (the main body portion) is completed.
  • part B leg
  • part B also prepares a mold having an appropriate shape, inserts the white paper coupling part 60 and the leg frame 70 into the mold, and then injects the liquid plastic into the mold. Then, when the plastic is cured and separated from the mold, the white paper coupling part 60-the connection part 30-the leg frame 70-the mounting part 20 is integrally combined to complete the production of the B part.
  • the metal part in the process of manufacturing a plastic part by injection, the metal part is manufactured to be integrally combined with the plastic part.
  • the metal parts are bonded to the plastic parts by screwing, post-tightening, welding, and the like, and thus, lack of fit, poor defects, and economical. And time loss occurred.
  • such a process that is, the process of combining the plastic part and the metal part is omitted, thereby preventing the above-described problem and economically and quickly producing a high quality eyeglass frame.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)

Abstract

The present invention relates to an eyeglass frame and a method for manufacturing the same, which can reduce production time and material costs and substantially decrease the defective ratio. An eyeglass frame according to the present invention comprises a metal part made of metal and a plastic part made of plastic, and is characterized in that the metal part is inserted into a mold, and liquid-state plastic is injected into the mold and then hardened such that the plastic part and the metal part are integrally formed.

Description

안경테 및 안경테의 제조방법Glasses frame and manufacturing method of the glasses frame
본 발명은 안경테 및 안경테의 제조방법에 관한 것으로, 보다 상세하게는 금속 인서트 사출방식으로 제작된 안경테 및 그의 제조방법에 관한 것이다.The present invention relates to a spectacle frame and a method for manufacturing the spectacle frame, and more particularly to a spectacle frame and a manufacturing method thereof produced by a metal insert injection method.
안경테에 관해서는 공개특허 10-2013-0047231호 등과 같이 많은 선행특허가 공개된 바 있다.As for the spectacle frame, many prior patents have been published, such as Patent Publication No. 10-2013-0047231.
도 1은 종래의 안경테는 개략적인 사시도이다.1 is a schematic perspective view of a conventional eyeglass frame.
도 1을 참조하면, 안경테(9)는 플라스틱 사출물로 이루어지는 부분과 메탈 재질로 이루어지는 부분으로 구성된다. 이때, 안경알을 감싸는 바디부(1) 및 귀에 거치되는 거치부(2)가 주로 플라스틱 사출물로 이루어지고, 코브릿지(3), 흰지(4), 다리프레임(5) 및 흰지결합부(6)는 주로 메탈 재질로 이루어진다.Referring to FIG. 1, the spectacle frame 9 is composed of a part made of a plastic injection molded part and a part made of a metal material. At this time, the body portion surrounding the eyeglasses (1) and the mounting portion (2) mounted on the ear is mainly made of plastic injection molding, corrugated (3), white paper (4), leg frame (5) and white paper coupling portion (6) Is mainly made of metal.
한편, 종래의 경우 플라스틱 사출물과 메탈 재질 부분의 결합방식을 살펴보면, 도 1에 확대되어 도시된 바와 같이 바디부(1)에 나사탭을 낸 후 나사체결방식으로 코브릿지(3)와 바디부(1)를 결합한다. 그리고, 흰지부(4)는 후압체결방식으로 바디부(1)에 결합하고, 거치부(2)는 열가공 방식을 통해 다리프레임(5)에 결합된다. 또한, 다리프레임(5)과 흰지결합부(6)는 용접에 의해 상호 결합된다.On the other hand, in the conventional case when looking at the coupling method of the plastic injection molding and the metal material portion, as shown in Figure 1 is enlarged in the screw tab on the body portion 1 and then screwed into the cobridge 3 and the body portion ( Combine 1). Then, the white paper portion 4 is coupled to the body portion 1 by the post-tightening method, the mounting portion 2 is coupled to the leg frame 5 through the thermal processing method. In addition, the leg frame 5 and the white paper coupling portion 6 are mutually coupled by welding.
하지만, 나사체결방식으로 코브릿지(3)와 바디부(1)를 결합하면, 유격 발생으로 인해 착용감이 결여되며, 나사가 풀려버리는 등의 문제가 발생할 수 있다. 그리고, 상기한 바와 같이 플라스틱 사출물과 메탈 재질 부분을 결합하는데 많은 노동력과 시간이 소요되고, 결합 과정에서 불량이 발생하는 등 경제적 및 시간적 손실이 발생하는 문제점이 있다.However, when the cobridge 3 and the body portion 1 are coupled by a screwing method, a lack of a feeling of wearing due to the play of the play may occur, and a problem may occur such that the screw is loosened. In addition, as described above, it takes a lot of labor and time to combine the plastic injection part and the metal part, there is a problem that economic and time loss occurs such as a defect occurs in the bonding process.
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로, 본 발명의 목적은 생산시간 및 원가를 절감할 수 있고 불량률을 현저하게 감소시킬 수 있는 금속 인서트 사출에 의해 제작된 안경테 및 그의 제조방법을 제공하는 것이다.The present invention has been made to solve the above problems, an object of the present invention is to provide a spectacle frame manufactured by metal insert injection can reduce the production time and cost and significantly reduce the defective rate and a manufacturing method thereof. It is.
본 발명에 따른 안경테는 금속으로 이루어지는 금속 부품과, 플라스틱으로 이루어지는 플라스틱 부품을 포함하는 안경테에 있어서, 상기 플라스틱 부품에 대응되는 형상으로 형성된 금형에 상기 금속 부품을 삽입한 후, 액상의 플라스틱을 상기 금형으로 사출한 후 경화시킴으로써 상기 플라스틱 부품과 상기 금속 부품이 일체로 형성되어 있는 것을 특징으로 한다.The spectacle frame according to the present invention is a spectacle frame comprising a metal part made of metal and a plastic part made of plastic, wherein the metal part is inserted into a mold formed in a shape corresponding to the plastic part, and then liquid plastic is formed into the mold. It is characterized in that the plastic part and the metal part are integrally formed by curing after injection into the mold.
본 발명에 따른 인서트 사출식 안경테 제조방법은 금속으로 이루어지는 금속 부품과, 플라스틱으로 이루어지는 플라스틱 부품을 포함하는 안경테를 제작하기 위한 것으로, 상기 플라스틱 부품에 대응되는 형상으로 형성된 금형을 준비하는 단계와, 상기 금형에 상기 금속 부품을 삽입하는 단계와, 상기 금형으로 액상의 플라스틱을 사출하는 단계와, 상기 사출된 플라스틱을 경화시키는 단계와, 상기 경화된 플라스틱을 상기 금형으로부터 분리하는 단계를 포함하는 것을 특징으로 한다.Insert injection-type spectacle frame manufacturing method according to the invention for manufacturing a spectacle frame comprising a metal part made of metal, and a plastic part made of plastic, preparing a mold formed in a shape corresponding to the plastic part, and Inserting the metal part into a mold, injecting a liquid plastic into the mold, curing the injected plastic, and separating the cured plastic from the mold. do.
본 발명에 따르면 안경테의 생산시간 및 원가를 절감할 수 있고 불량률을 현저하게 감소시킬 수 있다.According to the present invention can reduce the production time and cost of the spectacle frame and can significantly reduce the defective rate.
도 1은 종래의 안경테의 개략적인 사시도이다.1 is a schematic perspective view of a conventional eyeglass frame.
도 2는 본 발명의 일 실시예에 따른 안경테의 개략적인 분리 사시도이다.2 is a schematic exploded perspective view of an eyeglass frame according to an embodiment of the present invention.
도 3은 본 발명의 일 실시예에 따른 인서트 사출식 안경테 제조방법의 흐름도이다.3 is a flow chart of the insert injection-type spectacle frame manufacturing method according to an embodiment of the present invention.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 따른 인서트 사출식 안경테 및 제조방법에 관하여 설명한다.Hereinafter, with reference to the accompanying drawings will be described with respect to the insert injection-type spectacle frame according to a preferred embodiment of the present invention.
도 2는 본 발명의 일 실시예에 따른 안경테의 개략적인 분리 사시도이며, 도 3은 본 발명의 일 실시예에 따른 인서트 사출식 안경테 제조방법의 흐름도이다.2 is a schematic exploded perspective view of a spectacle frame according to an embodiment of the present invention, Figure 3 is a flow chart of a method for manufacturing an insert injection-type spectacle frame according to an embodiment of the present invention.
도 2 및 도 3을 참조하면, 본 실시예에 따른 안경테(100)는 플라스틱으로 이루어진 플라스틱 부품과 금속으로 이루어진 금속 부품이 혼합되어 있는 메탈복합 구조로 이루어진다. 이때, 플라스틱 부품은 안경알을 감싸는 바디부(10)와, 거치부(20) 및 연결부(30)이며, 금속 부품은 코브릿지(40), 흰지부(50), 흰지결합부(60) 및 다리프레임(70)이다.2 and 3, the spectacle frame 100 according to the present embodiment has a metal composite structure in which a plastic part made of plastic and a metal part made of metal are mixed. At this time, the plastic parts are the body part 10, the mounting part 20 and the connection part 30 surrounding the eyeglasses, and the metal parts are the corrugation 40, the white paper part 50, the white paper coupling part 60 and the legs. Frame 70.
이하, 인서트 사출식으로 안경테를 제조하는 방법(M100)에 관하여 설명한다.Hereinafter, a method (M100) of manufacturing the spectacle frame by insert injection will be described.
먼저, 도 2에서 A 부분(본체부)을 만드는 과정에 관해 설명하면, A 부분의 형상으로 이루어진 금형을 준비하고(S10), 이 금형에 금속 부품, 즉 코브릿지(40)와 흰지부(50)를 삽입한다(S20). 이때, 금속 부품이 삽입되는 위치는 완성품의 형상을 고려하여 결정된다(즉, 코브릿지는 금형의 가운데에 위치하고, 흰지부는 금형의 양측 사이드에 위치한다). 이후, 액상의 플라스틱(열가소성 플라스틱)을 금형으로 사출한다(S30). 이후, 사출된 플라스틱을 경화시키면(S40), 코브릿지(40) 및 흰지부(50)가 바디부(10)와 일체로 결합된다. 이후, 경화된 플라스틱을 금형으로부터 분리하면(S50), A 부분(본체부)의 제작이 완료된다. First, referring to FIG. 2, a process of making the A portion (main body portion) is performed. A mold having a shape of the A portion is prepared (S10), and the metal part, that is, the cobridge 40 and the white paper portion 50, is formed in the mold. ) Is inserted (S20). At this time, the position at which the metal part is inserted is determined in consideration of the shape of the finished product (that is, the cobridge is located in the middle of the mold, and the white paper is located at both sides of the mold). Thereafter, the liquid plastic (thermoplastic plastic) is injected into the mold (S30). Thereafter, when the injected plastic is cured (S40), the cobridge 40 and the white paper portion 50 are integrally combined with the body portion 10. Thereafter, when the cured plastic is separated from the mold (S50), the production of the A portion (the main body) is completed.
한편, B 부분(다리부) 역시 적절한 형상의 금형을 준비하고, 이 금형 내에 흰지결합부(60) 및 다리프레임(70)을 삽입한 후 액상의 플라스틱을 금형으로 사출한다. 그리고, 플라스틱이 경화된 후 금형에서 분리하면, 흰지결합부(60)-연결부(30)-다리프레임(70)-거치부(20)가 일체로 결합되어 B 부분의 제작이 완료된다.Meanwhile, part B (leg) also prepares a mold having an appropriate shape, inserts the white paper coupling part 60 and the leg frame 70 into the mold, and then injects the liquid plastic into the mold. Then, when the plastic is cured and separated from the mold, the white paper coupling part 60-the connection part 30-the leg frame 70-the mounting part 20 is integrally combined to complete the production of the B part.
그리고, 이와 같이 본체부 및 다리부가 제작되면, 본체부의 흰지부(50)에, 다리부의 흰지결합부(60)를 결합하면 안경테(100) 제조가 완료된다.When the main body and the leg are manufactured in this way, when the white paper coupling portion 60 is coupled to the white paper portion 50 of the main body, the manufacture of the spectacle frame 100 is completed.
상술한 바와 같이, 본 실시예에 따르면 플라스틱 부품을 사출하여 제조하는 과정에서, 금속 부품이 플라스틱 부품과 일체로 결합되게 제작된다. 이와 관련하여, 종래의 경우에는 플라스틱 부품을 별도의 사출공정으로 제작한 후, 금속 부품을 플라스틱 부품에 나사결합, 후압체결, 용접 등의 방식을 통해 결합하였으며, 이에 따라 착용감 결여, 불량 발생, 경제적 및 시간적 손실이 발생하였다. 하지만, 본 실시예에 따르면 이와 같은 공정, 즉 플라스틱 부품과 금속 부품을 결합하는 공정이 생략되므로 상기한 문제가 방지되며, 우수한 품질의 안경테를 경제적이고 신속하게 생산할 수 있다.As described above, according to the present embodiment, in the process of manufacturing a plastic part by injection, the metal part is manufactured to be integrally combined with the plastic part. In this regard, in the conventional case, after the plastic parts are manufactured by a separate injection process, the metal parts are bonded to the plastic parts by screwing, post-tightening, welding, and the like, and thus, lack of fit, poor defects, and economical. And time loss occurred. However, according to the present embodiment, such a process, that is, the process of combining the plastic part and the metal part is omitted, thereby preventing the above-described problem and economically and quickly producing a high quality eyeglass frame.
이상에서 본 발명의 바람직한 실시예에 대해 도시하고 설명하였으나, 본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific preferred embodiments described above, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes are within the scope of the claims.

Claims (2)

  1. 금속으로 이루어지는 금속 부품과, 플라스틱으로 이루어지는 플라스틱 부품을 포함하는 안경테에 있어서,In the spectacle frame comprising a metal part made of metal and a plastic part made of plastic,
    금형에 상기 금속 부품을 삽입한 후, 액상의 플라스틱을 상기 금형으로 사출한 후 경화시킴으로써 상기 플라스틱 부품과 상기 금속 부품이 일체로 형성되어 있는 것을 특징으로 하는 안경테.And the plastic part and the metal part are integrally formed by inserting the metal part into a mold and then injecting a liquid plastic into the mold and curing the plastic part.
  2. 금속으로 이루어지는 금속 부품과, 플라스틱으로 이루어지는 플라스틱 부품을 포함하는 안경테를 제작하기 위한 것으로,For manufacturing a spectacle frame comprising a metal part made of metal and a plastic part made of plastic,
    금형을 준비하는 단계와,Preparing the mold,
    상기 금형에 상기 금속 부품을 삽입하는 단계와,Inserting the metal part into the mold;
    상기 금형으로 액상의 플라스틱을 사출하는 단계와,Injecting liquid plastic into the mold;
    상기 사출된 플라스틱을 경화시키는 단계와,Curing the injected plastic;
    상기 경화된 플라스틱을 상기 금형으로부터 분리하는 단계를 포함하는 것을 특징으로 하는 안경테 제조방법.And separating the cured plastic from the mold.
PCT/KR2014/007557 2013-08-21 2014-08-14 Eyeglass frame and method for manufacturing eyeglass frame WO2015026100A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105711067A (en) * 2016-04-30 2016-06-29 瑞安市超捷数控设备有限公司 Full-automatic nose bridge machine

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Publication number Priority date Publication date Assignee Title
KR900016780A (en) * 1989-04-24 1990-11-14 가오루 도꾸마루 Bridge of glasses
KR910006175U (en) * 1989-09-27 1991-04-24 박용진 Leg support device for synthetic resin glasses
KR200164563Y1 (en) * 1999-07-16 2000-02-15 박영우 Spectacle frame using shaped memory alloy
KR101095433B1 (en) * 2011-07-16 2011-12-16 심성택 The using silicon eyeglasses-legs manufacturing method and this eyeglasses-legs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900016780A (en) * 1989-04-24 1990-11-14 가오루 도꾸마루 Bridge of glasses
KR910006175U (en) * 1989-09-27 1991-04-24 박용진 Leg support device for synthetic resin glasses
KR200164563Y1 (en) * 1999-07-16 2000-02-15 박영우 Spectacle frame using shaped memory alloy
KR101095433B1 (en) * 2011-07-16 2011-12-16 심성택 The using silicon eyeglasses-legs manufacturing method and this eyeglasses-legs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105711067A (en) * 2016-04-30 2016-06-29 瑞安市超捷数控设备有限公司 Full-automatic nose bridge machine

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