KR20030048567A - Felt for interior finish of automobile and a method thereof - Google Patents

Felt for interior finish of automobile and a method thereof Download PDF

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Publication number
KR20030048567A
KR20030048567A KR1020010078504A KR20010078504A KR20030048567A KR 20030048567 A KR20030048567 A KR 20030048567A KR 1020010078504 A KR1020010078504 A KR 1020010078504A KR 20010078504 A KR20010078504 A KR 20010078504A KR 20030048567 A KR20030048567 A KR 20030048567A
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KR
South Korea
Prior art keywords
felt
paper
melting point
low melting
sheets
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KR1020010078504A
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Korean (ko)
Inventor
김형진
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김형진
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Priority to KR1020010078504A priority Critical patent/KR20030048567A/en
Publication of KR20030048567A publication Critical patent/KR20030048567A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/042—Punching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings

Abstract

PURPOSE: Provided is a felt for vehicle interior which reinforces the strength of the felt so that it bars the felt from being drooped in transferring the felt, with preventing external side of the felt from being extended. CONSTITUTION: The production process of the felt for the vehicle interior is characterized by comprising the steps of: (i) letting the felt(10) and a vinyl paper(20) for low fusion temperature supplied; (ii) getting the vinyl paper for low fusion temperature fused under the felt at a heating roller(60); and (iii) letting a paper(30) provided and compressed at a compression roller(70) and getting the paper adhered under the felt by the vinyl paper for low fusion temperature.

Description

차량 내장재용 펠트 및 그 제조방법{Felt for interior finish of automobile and a method thereof}Felt for interior decoration of automobile and its manufacturing method

본 발명은 차량 내장재용 펠트(Felt) 및 그 제조방법에 관한 것으로 보다 구체적으로는, 자동차의 도어트림이나 천정내장재, 트렁크매트등으로 사용되는 펠트의 제조과정에서 펠트의 저면에 종이를 부착하므로서 펠트의 강도를 보강하여 생산과정에서 펠트의 처짐이나 이로 인한 늘어남을 방지할 수 있게 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle interior felt and a method for manufacturing the same. More specifically, the present invention relates to a felt for attaching paper to a bottom surface of a felt in the process of manufacturing a felt used as a door trim, a ceiling interior material, a trunk mat of an automobile, and the like. By strengthening the strength of the felt to prevent the sagging of the felt during the production process and the resulting increase.

일반적으로 펠트는 자동차나 가구등과 같은 제품에 내장재뿐 만 아니라 의료용이나 건축, 환경등 다양한 분야에서 널리 사용되는데 특히 자동차의 경우, 대시보드, 천정내부, 도어트림내부, 트렁크내부등에 내장재로서 널리 사용되고 있다.In general, felt is widely used in various fields such as medical, construction, and environment as well as interior materials in products such as automobiles and furniture. Especially in the case of automobiles, felt is widely used as interior materials in dashboard, ceiling interior, door trim interior, trunk interior, etc. have.

이러한 펠트는 폴리프로필렌이나 폴리에스테르과 같은 단섬유화이버를 마 또는 저융점 섬유와 카딩하여 얇은 두께의 시트(Felt) 형태로 성형한 후 이 시트를 여러층으로 적층하여 펀칭하고 열을 가하면서 압착하므로서 다양한 두께를 가진 펠트를 생산하게 된다.These felts are formed by carding short-fiber fibers such as polypropylene or polyester with hemp or low melting fibers to form a thin sheet, and then stacking the sheets in multiple layers, punching them, and compressing them by applying heat. It will produce felt with a thickness.

그런데 상기와 같이 펠트를 생산할 경우 가열 압착된 펠트를 연속 생산하여 이송시키게되는데, 여러층으로 적층된 시트를 융착하기 위하여 가해진 열에 의해 펠트의 조직이 연화된 상태이기때문에 이송과정에서 쳐짐이 발생하고 이로 인해 펠트의 바깥쪽이 늘어나므로서 제품의 형태가 울퉁불퉁하거나 휘어지는등 불량품의 생산이 증가하는 문제점이 있었다.However, when the felt is produced as described above, the heat-compressed felt is continuously produced and transported. Since the structure of the felt is softened by the heat applied in order to weld the sheets laminated in several layers, the deflection occurs in the transfer process. Due to the increase in the outside of the felt, there was a problem in that the production of defective products, such as uneven or curved form of the product increases.

본 발명은 상기와 같은 종래의 문제점을 해소하기 위하여 안출한 것으로서, 다층으로 적층된 시트의 가열 압착 과정이 이루어진 직후 펠트의 저면에 종이를 접착 또는 융착하므로서, 펠트의 강도를 보강하여 펠트의 이송중에 처짐이나 늘어남을 방지할 수 있게 한 것으로 이를 첨부된 도면에 의하여 보다 상세히 설명하면 다음과 같다.The present invention has been made in order to solve the above-mentioned conventional problems, the paper is adhered or fused to the bottom of the felt immediately after the heat pressing process of the multi-layer laminated sheet, thereby reinforcing the strength of the felt during conveying the felt It is to be able to prevent the sag or increase as described in more detail by the accompanying drawings as follows.

도 1은 본 발명의 열융착에 의한 펠트 생산방법을 나타낸 예시도1 is an exemplary view showing a felt production method by thermal fusion of the present invention

도 2는 도 1의 방법을 통해 생산된 펠트의 단면 예시도Figure 2 is an exemplary cross-sectional view of the felt produced through the method of Figure 1

도 3은 본 발명의 접착제 접착에 의한 펠트 생산방법을 나타낸 예시도Figure 3 is an exemplary view showing a felt production method by adhesive bonding of the present invention

도 4는 도 3의 방법을 통해 생산된 펠트의 단면 예시도4 is an exemplary cross-sectional view of the felt produced through the method of FIG.

도 5는 본 발명의 열프레스에 의한 펠트 생산방법을 나타낸 예시도5 is an exemplary view showing a felt production method by the heat press of the present invention.

도 6은 도 5의 방법을 통해 생산된 펠트의 단면 예시도이다.6 is an exemplary cross-sectional view of the felt produced through the method of FIG.

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

10 : 펠트(시트중합체)20 : 저융점비닐지10: felt (sheet polymer) 20: low melting point vinyl paper

30 : 종이40 : 접착제30: paper 40: adhesive

50, 50a, 50b, 50c : 안내로울러60 : 가열로울러50, 50a, 50b, 50c: guide roller 60: heating roller

70, 70a : 가압로울러80 : 열프레스70, 70a: Pressing roller 80: Heat press

본 발명의 펠트는 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버를 주 원료로 하여 생산된 시트를 적어도 하나 이상의 층으로 구성하여 가열, 압착하여서 된 차량 내장재용 펠트에 있어서, 펠트(10)의 저면에 종이(30)를 부착하여서 된 구성이다.The felt of the present invention comprises a sheet made of short fiber fibers such as polyester or polypropylene as a main raw material, and is formed by at least one or more layers, and is heated and pressed. It is a structure by which the paper 30 was affixed.

한편, 도 1, 도 3, 도 5는 본 발명의 펠트를 제조하는 방법에 관한 것으로서, 첨부도면 도 1은 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버와 마 또는 저융점섬유를 카딩하여 소정 두께의 시트를 형성하고 이 시트를 적어도 하나 이상의 층으로 적층한 후 펀칭하고 가열, 압착하여 각층의 시트를 하나로 융착시키는 구성으로 된 통상의 펠트 제조방법에 있어서, 펠트(10)와 저융점비닐지(20)를 같이 공급하여 가열로울러(60)를 이용해 저융점비닐지를 펠트(10)의 저면에서 용융시킨 후 종이(30)를 공급하면서 가압로울러(70)를 이용해 압착하여 용융된 저융점비닐지(20)에 의해 펠트(10)의 저면에 종이(30)를 융착하는 구성이다.On the other hand, Figures 1, 3, and 5 relates to a method for manufacturing the felt of the present invention, Figure 1 is attached to a short fiber fiber, such as polyester or polypropylene and hemp or low melting point fibers of a predetermined thickness In the conventional felt manufacturing method of forming a sheet, laminating the sheet into at least one layer, punching, heating and pressing to fuse the sheets of each layer into one, the felt 10 and the low melting point plastic paper 20 ) Is supplied together and the low melting point vinyl paper is melted on the bottom surface of the felt 10 using the heating roller 60, and then the low melting point plastic paper 20 is pressed by using the pressure roller 70 while supplying the paper 30. ) Is a configuration in which the paper 30 is fused to the bottom of the felt 10.

도 3은 상기와 같은 통상의 펠트 제조방법에 있어서, 펠트(10)와 종이(30)를 같이 공급하되, 펠트(10)와 밀착하는 종이(30)의 밀착면에는 안내로울러(50b)를 이용해 접착제(40)를 도포하여 가압로울러(70a)를 이용해 종이(30)를 펠트(10)에 접착하는 구성이다.Figure 3 in the conventional felt manufacturing method as described above, while supplying the felt 10 and the paper 30 together, the contact surface of the paper 30 in close contact with the felt 10 by using a guide roller (50b) It is a structure which apply | coats the adhesive agent 40, and adhere | attaches the paper 30 to the felt 10 using the pressure roller 70a.

또한, 도 5는 상기와 같은 통상의 펠트(10) 제조방법에 있어서, 열프레스(80)에 종이(30)와 펠트(10)를 적층시킨 후 프레스하여 펠트(10)의 저면에 종이(30)를 융착하는 구성이다.In addition, in FIG. 5, in the conventional method of manufacturing the felt 10, the paper 30 and the felt 10 are laminated on the heat press 80, and then pressed to press the paper 30 on the bottom surface of the felt 10. ) Is a fusion.

이와 같이 된 본 발명은 첨부도면 도 1과 같이 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버와 마 또는 저융점섬유를 카딩하여 소정두께의 시트를 형성한 후 이 시트를 가열압착하여서 된 펠트(10)를 이송하는 과정에서 저융점비닐지(20)를 펠트(10)의 저면으로 공급하여 가열로울러(60)와 안내로울러(50)를 이용해 저융점비닐지(20)를 압착하면서 용융시켜 펠트(10)의 저면에서 저융점비닐지(20)가 용융되게하고, 이어서 종이(30)를 펠트(10)의 저면으로 공급하면서 가압로울러(70)를 이용해 펠트(10)와 종이(30)를 압착하므로서, 펠트(10)의 저면에서 용융된 상태인 저융점비닐지(20)에 의해 종이(30)가 펠트(10)의 저면에 융착되게되며, 이후 냉각로울러나 냉각프레스를 이용해 펠트를 냉각시키게되면, 용융되어있던 저융점비닐지(20)가 경화되면서 펠트(10)와 종이(30)를 견고하게 부착시키게 되는 것이다.In the present invention as described above, as shown in Fig. 1, a short-fiber fiber such as polyester or polypropylene and a hemp or low melting point fiber are formed to form a sheet having a predetermined thickness, and then the sheet is heat-compressed for felt 10 In the process of transporting the low melting point plastic paper 20 is supplied to the bottom surface of the felt 10 by using a heating roller 60 and the guide roller 50 to melt the low melting point plastic paper 20 by pressing the felt 10 The low melting point vinyl paper 20 is melted at the bottom of the bottom), and then the paper 30 is fed to the bottom of the felt 10 while pressing the felt 10 and the paper 30 using the pressure roller 70. When the paper 30 is fused to the bottom of the felt 10 by the low melting point vinyl paper 20 in a molten state at the bottom of the felt 10, and then the felt is cooled using a cooling roller or a cooling press. , The molten low melting point plastic paper 20 is hardened and felt 10 It will be thereby fixedly attached (30).

이렇게 생산된 펠트(10)는 저면에 종이(30)가 부착되어 있기때문에 이송과정에서 종이(30)의 내력에 의해 펠트(10)의 처짐을 방지하여 처짐에 의해 발생하는 펠트(10)의 늘어남도 사전에 방지할 수 있을뿐 만 아니라 종이(30)의 인장강도에 의해 펠트(10)의 강도가 보강되므로서 연화상태에서 인장에 의한 펠트(10)의 늘어남도 방지할 수 있게 된다.Since the produced felt 10 is attached to the bottom surface of the paper (30) in the conveying process to prevent the deflection of the felt 10 by the internal force of the paper 30, the stretching of the felt 10 caused by the sagging Not only can it be prevented in advance, but also the strength of the felt 10 is reinforced by the tensile strength of the paper 30, it is possible to prevent the stretching of the felt 10 by the tension in the softened state.

한편, 첨부도면 도 3은 상기와 같이 펠트(10)의 저면에 종이(30)를 부착하되, 시트의 중합체로 이루어진 펠트(10)와 종이(30)를 같이 공급하면서 안내로울러(50b)를 이용해 펠트(10)와 밀착하는 종이면에는 접착제(40)를 도포한 후 펠트(10)와 종이(30)를 가압로울러(70a) 사이로 통과시켜 종이(30)를 펠트(10)에 접착시키는 방법으로서 저융점비닐지(20)를 사용하지 않고 펠트(10)에 종이(30)를 접착할 때 적용할 수 있으며 사용되는 접착제(40)는 일반적으로 사용되는 수지접착제나 또는 수용성 본드와 같은 접착제를 사용하게된다.On the other hand, Figure 3 is attached to the paper 30 on the bottom of the felt 10 as described above, while using the guide roller 50b while supplying the felt 10 made of a sheet of polymer and the paper 30 together As a method of adhering the paper 30 to the felt 10 by applying an adhesive 40 to the paper surface in close contact with the felt 10 and passing the felt 10 and the paper 30 between the pressure rollers 70a. It can be applied when bonding the paper 30 to the felt 10 without using the low melting point plastic paper 20, and the adhesive 40 used is a resin adhesive or an adhesive such as a water-soluble bond. Will be done.

또한, 첨부도면 도 5는 열프레스(80)를 이용해 본 발명의 펠트(10)를 생산하는 방법으로서 열프레스(80)의 하대 상부에 종이(30)와 펠트(10)를 적층시킨 후 열프레스(80)를 이용해 열을 가하면서 압착하면 펠트(10)의 표면이 용융되면서 종이(30)와 융착하게되는데, 일반적인 종이의 경우 발화점이 400℃ 이상으로서 시트의 용융점보다 훨씬 높기때문에 펠트(10)의 표면이 열프레스(80)에 의해 용융되더라도 종이(30)는 그 성질 그대로를 유지한채 펠트(10)의 표면에 융착시킬 수 있게 된다.In addition, Figure 5 is a method of producing the felt 10 of the present invention using the heat press 80, the heat press 80 after laminating the paper 30 and the felt 10 on the upper base of the heat press 80 When pressing with heat using 80, the surface of the felt 10 is melted and fused with the paper 30. In general paper, the firing point is 400 ° C. or higher and much higher than the melting point of the sheet. Even if the surface of the melt is melted by the heat press 80, the paper 30 can be fused to the surface of the felt 10 while maintaining its properties.

한편, 본 발명에서 사용되는 종이(30)는 일반적인 종이를 사용하지만, 필요에 따라서 단면, 또는 양면이 코팅된 종이도 사용할수도 있으며 종이의 색상도 다양하게 사용할 수 있음은 당연하다 할 것이다.On the other hand, the paper 30 used in the present invention uses a general paper, but if necessary, one or both sides of the coated paper may also be used, it will be obvious that the color of the paper can also be used in various ways.

따라서 본 발명은 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버를 주 원료로 하여 구성된 시트를 다층으로 적층한 후 이를 융착하여서 되는 펠트의 저면에 종이를 융착 또는 접착하므로서 펠트의 강도를 보강하여, 생산과정에서 펠트의 이송 도중에 발생할 수 있는 펠트의 처짐이나 이로 인해 발생하는 바깥부분의 늘어남등을 미연에 방지하고 정확한 형태를 유지하는 펠트를 대량 생산할 수 있게 된다.Therefore, the present invention reinforces the strength of the felt by fusing or adhering the paper on the bottom of the felt which is laminated by a multi-layered sheet composed of short-fiber fibers such as polyester or polypropylene as a main raw material, and then fusion process. It is possible to mass-produce the felt to prevent the deflection of the felt during the transfer of the felt or the resulting increase in the outer portion and to maintain the correct shape.

Claims (4)

폴리에스테르나 폴리프로필렌과 같은 단섬유화이버를 주 원료로 하여 카딩된 시트를 적어도 하나 이상의 층으로 구성하여 펀칭하고 가열, 압착하여서 된 차량 내장재용 펠트에 있어서, 펠트(10)의 저면에 종이(30)를 부착한 것을 특징으로 하는 차량 내장재용 펠트In a vehicle interior felt formed by punching, heating, and crimping a carded sheet composed of at least one layer made of short-fiber fibers such as polyester or polypropylene as a main raw material, the paper 30 is formed on the bottom surface of the felt 10. Felt for vehicle interior, characterized in that attached 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버와 마 또는 저융점섬유를 카딩하여 소정 두께의 시트를 형성하고 이 시트를 적어도 하나 이상의 층으로 적층한 후 펀칭하고 가열, 압착하여 각층의 시트를 하나로 융착시키는 구성으로 된 통상의 펠트 제조방법에 있어서, 펠트(10)와 저융점비닐지(20)를 같이 공급하여 가열로울러(60)를 이용해 저융점비닐지를 펠트(10)의 저면에서 용융시킨 후 종이(30)를 공급하면서 가압로울러(70)를 이용해 압착하여 용융된 저융점비닐지(20)에 의해 펠트(10)의 저면에 종이(30)를 융착시키는 것을 특징으로 하는 차량 내장재용 펠트 제조방법Short-fiber fibers such as polyester or polypropylene and carded hemp or low melting point fibers are formed to form a sheet having a predetermined thickness, and the sheets are laminated in at least one or more layers, and then punched, heated and pressed to fuse the sheets of each layer into one. In a conventional felt manufacturing method having a constitution, the felt 10 and the low melting point vinyl paper 20 are supplied together and the low melting point vinyl paper is melted using the heating roller 60 at the bottom of the felt 10, and then the paper ( Method for producing a felt for a vehicle interior material characterized in that the paper 30 is fused to the bottom surface of the felt 10 by the low melting point plastic paper 20 that is pressed by using the pressure roller 70 while supplying 30). 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버와 마 또는 저융점섬유를 카딩하여 소정 두께의 시트를 형성하고 이 시트를 적어도 하나 이상의 층으로 적층한 후 펀칭하고 가열, 압착하여 각층의 시트를 하나로 융착시키는 구성으로 된 통상의 펠트 제조방법에 있어서, 펠트(10)와 종이(30)를 같이 공급하되, 펠트(10)와 밀착하는 종이(30)면에는 접착제(40)를 도포하여 가압로울러(70a)를 이용해 종이(30)를 펠트(10)에 접착시키는 것을 특징으로 하는 차량 내장재용 펠트 제조방법Short-fiber fibers such as polyester or polypropylene and carded hemp or low melting point fibers are formed to form a sheet having a predetermined thickness, and the sheets are laminated in at least one or more layers, and then punched, heated and pressed to fuse the sheets of each layer into one. In a conventional felt manufacturing method, the felt 10 and the paper 30 are supplied together, but the adhesive roller 40 is applied to the surface of the paper 30 in close contact with the felt 10 to press the roller 70a. Method for manufacturing a vehicle interior felt, characterized in that for adhering the paper 30 to the felt 10 using 폴리에스테르나 폴리프로필렌과 같은 단섬유화이버와 마 또는 저융점섬유를 카딩하여 소정 두께의 시트를 형성하고 이 시트를 적어도 하나 이상의 층으로 적층한 후 펀칭하고 가열, 압착하여 각층의 시트를 하나로 융착시키는 구성으로 된 통상의 펠트 제조방법에 있어서, 열프레스(80)에 종이(30)와 펠트(10)를 적층시킨 후 프레스하여 펠트(10)의 저면에 종이(30)를 융착하는 것을 특징으로 하는 차량 내장재용 펠트 제조방법Short-fiber fibers such as polyester or polypropylene and carded hemp or low melting point fibers are formed to form a sheet having a predetermined thickness, and the sheets are laminated in at least one or more layers, and then punched, heated and pressed to fuse the sheets of each layer into one. In a conventional felt manufacturing method having a constitution, the paper 30 and the felt 10 are laminated on the heat press 80 and then pressed to fuse the paper 30 to the bottom of the felt 10. Method for manufacturing felt for vehicle interior
KR1020010078504A 2001-12-12 2001-12-12 Felt for interior finish of automobile and a method thereof KR20030048567A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060039037A (en) * 2004-07-22 2006-05-08 현대자동차주식회사 Method for processing of moldable substrate for automotive top ceiling
KR100811181B1 (en) * 2006-09-15 2008-03-07 이종현 Board manufacturing method of hemp mixture and hemp mixture board for the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060039037A (en) * 2004-07-22 2006-05-08 현대자동차주식회사 Method for processing of moldable substrate for automotive top ceiling
KR100811181B1 (en) * 2006-09-15 2008-03-07 이종현 Board manufacturing method of hemp mixture and hemp mixture board for the same

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