KR20020042559A - In-Mold Decoration Method of Fabric and Leather, and The Product - Google Patents
In-Mold Decoration Method of Fabric and Leather, and The Product Download PDFInfo
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- KR20020042559A KR20020042559A KR1020020021161A KR20020021161A KR20020042559A KR 20020042559 A KR20020042559 A KR 20020042559A KR 1020020021161 A KR1020020021161 A KR 1020020021161A KR 20020021161 A KR20020021161 A KR 20020021161A KR 20020042559 A KR20020042559 A KR 20020042559A
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- film
- mold
- textile paper
- leather
- fabric
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Classifications
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- 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
- B29C45/14311—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 using means for bonding the coating to the articles
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- 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
- B29C45/14065—Positioning or centering articles in the mould
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- 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
- B29C45/14688—Coating articles provided with a decoration
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- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
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- 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
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
본 발명은 직물 또는 피혁의 인몰드 사출방법 및 그 제품에 관한 것으로서, 구체적으로는 가전 제품, 휴대폰, PDA 등의 제품 표면에 직물이나 피혁을 적용시키기 위한 인몰드 사출방법 및 그 제품에 관한 것이다.The present invention relates to an in-mold injection method of a fabric or leather and its products, and more particularly, to an in-mold injection method for applying the fabric or leather to the surface of the product, such as home appliances, mobile phones, PDAs and the like.
일반적으로, 인몰드 사출(IMD, In-Mold Decoration)이란, 필름(Film)을 금형 안에 넣은 상태에서 사출하는 것이라는 것은 주지의 사실이다.In general, it is well known that in-mold decoration (IMD) is to eject a film in a mold.
구체적으로, 종래의 필름 인몰드 사출은, 뒷면 또는 앞면이 다양하게 인쇄된 필름을 성형(forming)하여 가형상을 만들고, 이 가형상과 동일한 형태로 음각된 한쪽 금형에 포갠 후, 반대쪽 금형과 필름 뒷면 사이에 플라스틱 사출을 수행하는 것이 일반적이었다. 이에 따라, 사출 후 최종 제품은 필름의 질감을 가질 수밖에 없고, 필름의 뒷면에 인쇄되었을 경우에는 필름을 통해 투과되는 반질반질한 시각적 느낌, 앞면에 인쇄되었을 경우에는 스프레이(Spray)로 표현되는 시각적 효과 이외에는 가질 수 없었다.Specifically, in the conventional film in-mold injection molding, a film having variously printed back or front surfaces is formed to form a dummy shape, and is folded in one mold engraved in the same shape as the dummy shape, and then the opposite mold and film It was common to carry out plastic injection between the back sides. Accordingly, the final product after injection has a film texture, and when printed on the back side of the film, the semi-finished visual feeling transmitted through the film, and when printed on the front side, is expressed as a spray. I couldn't have anything else.
한편, 직물이나 피혁을 금형에 넣어 사출할 경우에는, 직물이나 피혁의 유연성과 연성으로 인해 복잡한 형상을 얻기 어려웠다.On the other hand, when a fabric or leather is injected into a mold, it is difficult to obtain a complicated shape due to the flexibility and ductility of the fabric or leather.
따라서, 표면이 직물이나 피혁으로 구성된 제품을 얻기 위해서는 직물이나 피혁을 표면에 단순히 접착하는 방법에 의존할 수 밖에 없었다. 그러나, 이 경우, 표면 형상이 복잡할 때에는 균일한 접착이 이루어지기 어려워, 시간이 경과함에 따라 접착력이 떨어지게 되는 문제점이 있었다.Therefore, in order to obtain a product whose surface is composed of fabric or leather, it was inevitable to simply attach the fabric or leather to the surface. However, in this case, when the surface shape is complicated, it is difficult to achieve uniform adhesion, and there is a problem in that the adhesive strength is decreased as time passes.
본 발명은 상기한 문제점을 해결하기 위해 안출된 것으로서, 발명의 목적은 인몰드 사출방법을 적용하여 플라스틱 제품 표면에 직물과 피혁을 용이하고도 견고하게 결합시킴으로써, 장기간 동안 질감 및 시각적 효과를 종래의 합성수지와는 다르게 구현하는데 있다.The present invention has been made to solve the above problems, an object of the present invention by applying an in-mold injection method to easily and firmly combine the fabric and leather on the surface of the plastic product, the texture and visual effects for a long time It is different from synthetic resin.
도 1은 본 발명에 따른 인몰드 사출방법이 적용되기 전의 소재의 단면구성을 나타내는 도면이다.1 is a view showing the cross-sectional configuration of the material before the in-mold injection method according to the invention is applied.
도 2는 도 1의 소재를 서로 접합하는 구성을 나타내는 개략도이다.FIG. 2 is a schematic view showing a configuration in which the raw materials of FIG. 1 are bonded to each other. FIG.
도 3은 도 2에서 나온 필름 접합 직물지를 성형하는 구성을 나타내는 도면으로서, (a)는 고압성형법이고, (b)는 하이드로성형법이고, (c)는 진공성형법이고, (d)는 매치트 메탈법을 나타낸다.3 is a view showing the configuration for forming the film-bonded fabric paper shown in Figure 2, (a) is a high-pressure molding method, (b) is a hydroforming method, (c) is a vacuum molding method, (d) is a matched metal Represent the law.
도 4는 도 3에 따라 형성된 중간 성형품의 단면 구조를 나타내는 도면이다.4 is a view showing a cross-sectional structure of the intermediate molded article formed according to FIG.
도 5는 도 4의 중간 성형품이 사출 금형에 삽입된 상태를 나타내는 개략 구성도이다.FIG. 5 is a schematic configuration diagram showing a state in which the intermediate molded product of FIG. 4 is inserted into an injection mold. FIG.
도 6은 도 5에서 사출되어 완성된 제품의 단면 구성을 나타내는 도면이다.6 is a view showing a cross-sectional configuration of the product is injected and completed in FIG.
주요 도면부호의 설명Description of the main reference numbers
1... 직물 또는 피혁1 ... fabric or leather
2... 접착제2 ... glue
3... 필름3 ... film
4... 접착용 롤러4 ... Adhesive Roller
5, 7... 사출 금형5, 7 .... injection mold
6... 형틀6 ... mold
8... 블래더(bladder)8 ... bladder
9... 플라스틱9 ... plastic
10... 필름 부착 직물지10 ... film attached fabric
11... 히터(heater)11 ... heater
상기한 목적을 달성하기 위해, 본 발명의 청구항 1에 따른 발명은, 직물 또는 피혁의 이면(裏面)에 합성수지 필름을 접착하여 필름 부착 직물지를 만드는 단계와; 상기 필름 부착 직물지를 재단(cutting)하는 단계와; 상기 재단된 필름 부착 직물지를 상기 직물지의 윤곽과 일치하는 한쪽 사출 금형에 포개는 단계와; 상기 포개진 필름 부착 직물지 위에 다른쪽 사출 금형을 소정 간격을 두고 포개는 단계와; 상기 소정 간격 사이에 플라스틱을 사출하는 단계를 포함하여 구성되는 것을 특징으로 한다.In order to achieve the above object, the invention according to claim 1 of the present invention comprises the steps of: bonding a synthetic resin film on the back side of the fabric or leather to make a film attached fabric paper; Cutting the film attached textile paper; Superimposing the cut film-attached textile paper on one injection mold matching the contour of the textile paper; Superimposing the other injection mold on the nested film-laminated fabric paper at a predetermined interval; And injecting plastic between the predetermined intervals.
또한, 청구항 2의 발명은, 직물 또는 피혁의 이면(裏面)에 합성수지 필름을 접착하여 필름 부착 직물지를 만드는 단계와; 상기 필름 부착 직물지를 소정 형상으로 성형(forming)하는 단계와; 상기 성형된 직물지 또는 피혁지를 트리밍(trimming)하여 중간 성형품을 만드는 단계와; 상기 중간 성형품을 상기 소정 형상으로 음각된 한쪽 사출 금형에 포개는 단계와; 상기 포개진 중간 성형품 위에 다른쪽 사출 금형을 소정 간격을 두고 포개는 단계와; 상기 소정 간격 사이에 플라스틱을 사출하는 단계를 포함하여 구성되는 것을 특징으로 한다.In addition, the invention of claim 2, comprising the steps of: bonding a synthetic resin film to the back side of the fabric or leather to make a film attached fabric paper; Forming the film-attached textile paper into a predetermined shape; Trimming the molded woven or leather paper to form an intermediate molded article; Superimposing the intermediate molded article on one injection mold engraved into the predetermined shape; Superimposing the other injection mold on the nested intermediate molded article at a predetermined interval; And injecting plastic between the predetermined intervals.
청구항 3의 발명은, 청구항 2에 있어서, 상기 필름 부착 직물지의 소정 형상으로의 성형은, 상기 소정 형상의 형틀 위에 상기 필름 부착 직물지를 위치시키는 단계와; 상기 필름 부착 직물지 위쪽으로부터 고압의 에어(air)를 불어넣어 상기 형틀 위에 압착시키는 단계를 포함하여 구성되는 것을 특징으로 한다.The invention of claim 3, wherein the forming of the film-attached textile paper into a predetermined shape comprises: positioning the film-attached textile paper on a mold of the predetermined shape; It is characterized in that it comprises a step of blowing on the mold by blowing a high-pressure air (air) from above the film-attached textile paper.
청구항 4의 발명은, 청구항 2에 있어서, 상기 필름 부착 직물지의 소정 형상으로의 성형은, 상기 소정 형상을 가지는 한벌의 형틀 사이에 필름 부착 직물지를 위치시키고, 기계적으로 서로 압착시키는 것으로 구성되어 있는 것을 특징으로 한다.The invention of claim 4, wherein the forming of the film-bearing textile paper into a predetermined shape is composed of placing the film-covered textile paper between the molds having the predetermined shape and mechanically pressing each other. It features.
청구항 5의 발명은, 청구항 2에 있어서, 상기 필름 부착 직물지의 소정 형상으로의 성형은, 상기 소정 형상을 가지는 형틀 위에 상기 필름 부착 직물지를 위치시키는 단계와; 상기 필름 부착 직물지 위쪽으로부터 블래더 내의 고압의 오일(Oil)로 눌러 상기 형틀 위에 압착시키는 단계를 포함하여 구성되는 것을 특징으로 한다.The invention of claim 5, wherein the forming of the film-attached textile paper into a predetermined shape comprises: positioning the film-attached textile paper on a mold having the predetermined shape; And pressing the high pressure oil in the bladder from the top of the film-attached textile paper onto the mold.
청구항 6의 발명은, 청구항 2에 있어서, 상기 필름 부착 직물지의 소정 형상으로의 성형은, 상기 소정 형상을 가지는 형틀 위에 상기 필름 부착 직물지를 위치시키는 단계와; 상기 필름 부착 직물지 위쪽으로부터 고온의 열을 가하는 열판을 이용하여 열을 가하고 소정의 형상을 가지는 형틀 아래에서 고압의 에어(air)로 빨아들여 상기 형틀 위에 압착시키는 단계를 포함하여 구성되는 것을 특징으로 한다.The invention according to claim 6, wherein the forming of the film-attached textile paper into a predetermined shape comprises: positioning the film-attached textile paper on a mold having the predetermined shape; And applying heat using a hot plate applying a high temperature heat from the upper side of the film-attached textile paper, and sucking the high pressure air under a mold having a predetermined shape and compressing the same on the mold. .
청구항 7의 발명은, 청구항 1 내지 청구항 4 중 어느 한 항에 있어서, 상기 합성수지제 필름은 폴리카보네이트(polycabonate) 또는 폴리에스테르 (polyester)인 것을 특징으로 한다.The invention of claim 7 is characterized in that the synthetic resin film is polycarbonate (polycabonate) or polyester (polyester) according to any one of claims 1 to 4.
청구항 8의 발명은, 청구항 1 내지 청구항 4 중 어느 한 항의 방법으로 제작된 제품인 것을 특징으로 한다.The invention of claim 8 is a product produced by the method of claim 1.
이하, 첨부된 도면을 참조하여 본 발명에 의한 인몰드 사출방법에 대한 일 실시예를 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the in-mold injection method according to the present invention.
도 1과 도 2에는, 직물 또는 피혁의 이면(裏面)에 합성수지 필름을 접착하는 구성이 도시되어 있다. 도 1에서와 같이, 접착제(2)를 사용하여 직물 또는 피혁(1)과 필름(3)을 접착할 수 있는데, 도 2에서와 같이, 직물 또는 피혁(1)을 상하 2개의 롤러(Roller)(4) 사이에 두고 회전시키면서 압착시키는 것이 바람직하다.1 and 2 show a configuration in which a synthetic resin film is adhered to the back surface of a fabric or leather. As shown in Figure 1, the adhesive (2) can be used to bond the fabric or leather (1) and the film (3), as shown in Figure 2, the two rollers (Roller) up and down the fabric or leather (1) It is preferable to compress while rotating between (4).
상기 직물 또는 피혁(1)은 천연 직물(또는, 피혁)이어도 좋고, 인조섬유(Synthetic fabric) 또는 인조피혁(Synthetic leather)이어도 좋다.The fabric or leather 1 may be a natural fabric (or leather), or may be a synthetic fiber or a synthetic leather.
또한, 상기 필름(3)은 폴리카보네이트(polycabonate)나 폴리에스테르(polyester)와 같은 성형성이 좋은 합성수지로 구성되는 것이 바람직하다.In addition, the film 3 is preferably made of a synthetic resin having good moldability, such as polycarbonate (polycabonate) or polyester (polyester).
또한, 상기 접착제(2)는 액상으로서 직물(1) 또는 필름(3)에 균일하게 바르는 것이 바람직하다. 그러나, 에폭시, 폴리우레탄, 폴리에스터, 폴리설파이드 또는 실리콘을 주재료로 하는 액상 접착제 대신 양면 접착 테이프를 이용하여 접합하더라도 좋다. 액상 접착제를 사용하는 경우 접착력을 높이기 위해 가교제 또는 경화제를 혼합하여 사용할 수도 있다.In addition, the adhesive 2 is preferably applied evenly to the fabric 1 or the film 3 as a liquid. However, you may join using a double-sided adhesive tape instead of the liquid adhesive which uses epoxy, polyurethane, polyester, polysulfide, or silicone as a main material. When using a liquid adhesive may be used by mixing a crosslinking agent or a curing agent to increase the adhesion.
그리고, 상기 롤러(4)는 강재(Steel)로 구성될 수 있으며, 압력을 보다 균일하게 작용시키기 위해서 강재 원통면 위에 고무(Rubber) 소재를 씌워도 좋다.In addition, the roller 4 may be made of steel, and in order to apply the pressure more uniformly, a rubber material may be covered on the steel cylindrical surface.
이와 같이, 필름과 접합이 완료된 직물지 또는 피혁지(10)(이하, "필름 부착 직물지"라 칭함)는 소정 형상으로 성형(forming)되는 단계로 들어간다. 이는, 도 3(a)에서와 같이, 상기 소정 형상으로 양각된 형틀(6) 위에 상기 필름 부착 직물지(10)를 위치시키고, 필름 부착 직물지(10) 위쪽으로부터 고압의 에어(air)를 불어넣어서 상기 형틀(6) 위에 압착시킴으로써 소정 형상으로 형성하는 것으로 이루어져 있다. 이와 같은 고압성형법에서의 압착력은 상기 필름 부착 직물지(10)가 완전히 소성변형될 수 있도록 충분히 커야 할 것이다. 이와 같이 성형이 완료되면, 도 4와 같이, 성형이 완료된 필름 부착 직물지(10)가 만들어지게 된다.As such, the textile paper or leather paper 10 (hereinafter referred to as "film attached fabric paper") in which bonding with the film is completed enters a step of forming into a predetermined shape. This is because, as shown in Fig. 3 (a), by placing the film-attached textile paper 10 on the mold 6 embossed to the predetermined shape, by blowing high-pressure air (air) from above the film-attached textile paper 10 It consists of forming in a predetermined shape by crimping | bonding on the said mold 6. The compressive force in such a high pressure molding method should be large enough so that the film-attached textile paper 10 can be completely plastically deformed. When the molding is completed in this way, as shown in Figure 4, the film-forming fabric paper 10 is completed is completed.
한편, 상기 성형과정을 다른 방법에 의해 수행할 수도 있다.Meanwhile, the molding process may be performed by another method.
먼저, 도 3(b)는 하이드로성형법으로서, 필름 부착 직물지(10) 위에 오일(oil)로 채워진 블래더(8)를 위치시키고 형틀(6) 위에 압착시킴으로써 소정 형상으로 성형하게 되어 있다.First, FIG. 3B is a hydroforming method, in which a bladder 8 filled with oil is placed on a film-coated textile paper 10 and pressed into a mold 6 to be molded into a predetermined shape.
그리고, 도 3(c)는 진공성형법으로서, 필름 부착 직물지(10) 위에 열판(11)에 의해 열을 가하면서, 아래로부터는 고압의 에어(air)로 빨아들임으로써 형틀(6)에 압착시키는 구성으로 되어 있다.3 (c) is a vacuum molding method, which compresses the mold 6 by sucking it with high-pressure air from below while applying heat by the hot plate 11 on the film-coated fabric paper 10. It is composed.
또한, 도 3(d)는 매치트 매탈성형법(matched metal forming method)으로서, 소정 형상을 가지는 한벌의 형틀(6')(6") 사이에 필름 부착 직물지(10)를 위치시킨 후, 기계적으로 서로 압착시키는 것에 의해 성형하는 방법을 나타낸다.3 (d) is a matched metal forming method, in which a film-coated textile paper 10 is placed between a pair of molds 6 ′ and 6 ″ having a predetermined shape, and then mechanically The method of shaping | molding by pressing together is shown.
다음, 불필요한 테두리 부분이나 중간 부분을 제거하고 원하는 부분만을 남겨놓는 트리밍(trimming) 단계를 거치면, 필름(3)이 뒷면에 보강된 상태에서 소정 형상으로 성형된 직물 또는 피혁의 성형품(이하, "중간 성형품"이라 칭한다)이 제작된다.Next, a trimming step of removing unnecessary edges or middle portions and leaving only the desired portions is performed, and a molded article of a fabric or leather molded into a predetermined shape with the film 3 reinforced on the back side (hereinafter, referred to as "middle Molded article "
다음, 도 5에서와 같이, 상기 중간 성형품을, 이 중간 성형품과 일치하는 형상으로 음각된 한쪽 사출 금형(7)에 포개고, 이 상태에서 반대편 사출 금형(5)을 상기 중간 성형품과 소정의 간격을 두고 포갠 후에, 그 틈 사이에 플라스틱 사출(인몰드 사출)을 실시하게 된다.Next, as shown in Fig. 5, the intermediate molded product is superposed on one injection mold 7 engraved in a shape consistent with the intermediate molded product, and in this state, the opposite injection mold 5 is spaced a predetermined distance from the intermediate molded product. After it is laid, plastic injection (in-mold injection) is performed between the gaps.
사출이 완료되어 탈형시키면, 도 6과 같이, 플라스틱(9)이 뒷면이 보강되고 표면은 직물이나 피혁의 질감을 가지는 구조가 완성되는 것이다.When the injection is completed and demolded, as shown in Fig. 6, the back of the plastic 9 is reinforced and the surface of the fabric having the texture of fabric or leather is completed.
한편, 제품이 평면이거나 곡률반경이 큰 곡면 등, 3차원 형상이 복잡하지 않은 경우에는, 상기 성형단계를 거치지 않고 재단(cutting)한 후 바로 사출을 실시할 수도 있다.On the other hand, if the three-dimensional shape is not complicated, such as a flat surface or a curved surface with a large radius of curvature, injection may be performed immediately after cutting without going through the forming step.
상기한 바와 같은 구성의 본 발명에 따르면, 제품 표면이 직물 또는 피혁의 질감을 유지하도록 할 수 있으므로, 점차 감성화가 중요시되고 있는 통신제품, 가전, 자동차 인테리어 등의 표면 질감 및 색상을 종래의 합성수지와는 다르게 구현할 수 있다는 이점이 있다. 이에 따라, 본 발명에 따른 제품에 대한 새로운 수요를 창출할 수 있다는 부수적 효과도 있다.According to the present invention of the configuration as described above, since the surface of the product can maintain the texture of the fabric or leather, and the surface texture and color of the communication products, home appliances, car interiors, etc., which is increasingly important for sensitivity, and the conventional synthetic resin Has the advantage that it can be implemented differently. Accordingly, there is also a side effect that can create a new demand for the product according to the present invention.
또한, 직물이나 피혁의 뒷면에 플라스틱이 견고하게 결합되므로 수명도 연장된다.In addition, since the plastic is firmly bonded to the back of the fabric or leather, the life is also extended.
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KR100720935B1 (en) * | 2005-12-27 | 2007-05-22 | 주식회사 삼진 | Manufacturing method of car mat using injection molding |
KR100760216B1 (en) * | 2006-06-19 | 2007-09-20 | 주식회사 케이에이치바텍 | A plate member manufacturing method for cellular phone inserted hides |
KR100769091B1 (en) * | 2005-05-16 | 2007-10-22 | 이환길 | Injection molding material having leather surface and manufacturing method thereof |
KR100777981B1 (en) * | 2006-06-19 | 2007-11-21 | 주식회사 케이에이치바텍 | A plate member manufacturing method for cellular phone inserted hides |
WO2013095022A1 (en) | 2011-12-20 | 2013-06-27 | Park Jang Won | Method for manufacturing thermoplastic synthetic resin products |
KR101439317B1 (en) * | 2013-03-06 | 2014-09-16 | 피닉스코리아디앤디 주식회사 | mobile phone case for molding thing having the skin surface and the manufacturing method |
WO2015191076A1 (en) * | 2014-06-13 | 2015-12-17 | Apple Inc. | Composite bonded leather cases |
KR20160033440A (en) | 2014-09-18 | 2016-03-28 | 이중재 | Mold for forming cloth attached injection molding product and method for forming cloth attached injection mold product using the same |
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KR100769091B1 (en) * | 2005-05-16 | 2007-10-22 | 이환길 | Injection molding material having leather surface and manufacturing method thereof |
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KR100760216B1 (en) * | 2006-06-19 | 2007-09-20 | 주식회사 케이에이치바텍 | A plate member manufacturing method for cellular phone inserted hides |
KR100777981B1 (en) * | 2006-06-19 | 2007-11-21 | 주식회사 케이에이치바텍 | A plate member manufacturing method for cellular phone inserted hides |
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KR101439317B1 (en) * | 2013-03-06 | 2014-09-16 | 피닉스코리아디앤디 주식회사 | mobile phone case for molding thing having the skin surface and the manufacturing method |
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KR20160033440A (en) | 2014-09-18 | 2016-03-28 | 이중재 | Mold for forming cloth attached injection molding product and method for forming cloth attached injection mold product using the same |
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