KR0166575B1 - Coating method of melanine resin sheet of concave curved surface as a wood frame - Google Patents

Coating method of melanine resin sheet of concave curved surface as a wood frame Download PDF

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Publication number
KR0166575B1
KR0166575B1 KR1019960041520A KR19960041520A KR0166575B1 KR 0166575 B1 KR0166575 B1 KR 0166575B1 KR 1019960041520 A KR1019960041520 A KR 1019960041520A KR 19960041520 A KR19960041520 A KR 19960041520A KR 0166575 B1 KR0166575 B1 KR 0166575B1
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South Korea
Prior art keywords
wooden frame
resin plate
adhesive
based adhesive
oil
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KR1019960041520A
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Korean (ko)
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KR19980022391A (en
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정현대
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정현대
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    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)

Abstract

가. 청구범위에 기재된 발명의 속한 기술분야.end. The technical field of the invention described in the claims.

목재틀에 있어서의 오목곡면의 멜라민수지판 코팅방법Melamine resin plate coating method of concave curved surface in wooden frame

나. 그 발명이 해결하려고 하는 기술과제 종래의 기술로는 목재틀에 형성된 오목곡면에는 수지판의 코팅이 곤란한 것임.I. The technical problem to be solved by the invention is that it is difficult to coat the resin plate on the concave curved surface formed in the wooden frame in the conventional technique.

다. 그 발명의 해결방법의 요지 본 발명은 프레싱공정 이전에 수지판이 접착될 목재틀의 수성접착제 접착면적과 유성접착제 접착면적을 맞춰 수성접착제 도포면과 유성접착제 도포면으로 구획하여 미리 접착제를 도포한 뒤, 프레스공정과 포밍공정을 거쳐 수지판이 목재틀에 코팅되도록 하는 것임.All. Summary of the Invention The present invention according to the present invention, prior to the pressing step, the aqueous adhesive bonding area and the oil-based adhesive bonding area of the wooden frame to be bonded to the resin adhesive is divided into an aqueous adhesive coating surface and an oil-based adhesive coating surface to apply the adhesive in advance, press The resin plate is coated on the wooden frame through the process and forming process.

라. 발명의 중요한 용도 가구에 사용되는 다양한 형상의 판넬이나 각재의 제조la. Significant Uses of the Invention The manufacture of various shaped panels and materials

Description

목재틀에 있어서의 오목곡면의 멜라민수지판 코팅방법Melamine resin board coating method of concave curved surface in wooden frame

제1도는 본 발명에 있어서 멜라민수지판과 목재틀의 접착전 상태를 보인 분리사시도.Figure 1 is an exploded perspective view showing a state before adhesion of the melamine resin plate and the wooden frame in the present invention.

제2도는 본 발명에 있어서 목재틀에 멜라민수지판을 코팅하는 공정을 보이기 위한 측면도로써,2 is a side view for showing the process of coating the melamine resin plate on the wooden frame in the present invention,

(a)도는 접착공정 전에 목재틀과 멜라민수지판이 분리되어있는 상태.(a) The wooden frame and melamine resin board are separated before the bonding process.

(b)도는 멜라민수지판이 목재틀의 평면에만 수성접착제에 의해 코팅된 상태.(b) is a melamine resin is coated with an aqueous adhesive only on the plane of the wooden frame.

(c)도는 목재틀에 멜라민수지판이 완전히 접착되어 코팅된 상태.(c) is a state in which the melamine resin board is completely adhered and coated on the wooden frame.

제3도는 목재틀의 볼록곡면에 멜라민수지판을 코팅하는 종래의 방법을 설명하기 위한 측면도.Figure 3 is a side view for explaining a conventional method of coating the melamine resin plate on the convex curved surface of the wooden frame.

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

1 : 목재틀 1a : 평면1: wood frame 1a: flat

1b : 볼록곡면 1c : 오목곡면1b: convex surface 1c: concave surface

2 : 멜라민수지판(이하 수지판이라 약설함) A : 유성접착제 도포면2: melamine resin plate (hereinafter abbreviated as resin plate) A: oily adhesive coated surface

B : 수성접착제 도포면 C : 금형B: Aqueous adhesive coating surface C: Mold

본 발명은 평면과 블록곡면, 오목곡면 등이 형성된 목재틀에 수지판을 접착시켜 코팅하기 위한 방법에 관한 것으로, 좀 더 구체적으로는 목재틀의 오목곡면에 멜라민화장판(Melamine Decorative Sheet)을 코팅하기 위한 방법에 관한 것이다.The present invention relates to a method for bonding and coating a resin plate on a wooden frame formed with a flat surface, a block surface, a concave curved surface, etc. More specifically, a melamine decorative sheet is coated on the concave curved surface of the wooden frame. It relates to a method for doing so.

종래 가구나 싱크대 등에 사용되는 목재를(나무부스러기나 톱밥등을 포함하여 압축성형된 판이나 각재도 포함한다)에는 심미감을 더하기 위해 표면에 여러가지 모양이 인쇄된 멜라민화장판을 코팅하여 사용하고 있다.Conventionally, wood used for furniture and sinks (including wood shavings, sawdust, etc., including compression molded plates and lumber) is coated with melamine cosmetics printed on various surfaces to add aesthetics.

수지판을 목재틀에 코팅하는 기술은 대한민국공고번호 96-737호“목재표면에 합성수지필름을 밀착하는 방법”이 공지되어 있다.The technique of coating a resin plate on a wooden frame is known in the Republic of Korea Publication No. 96-737, "Method of bonding the synthetic film to the surface of the wood".

그러나 이 방법은 다수개의 미세기공이 천공된 소정의 목재합판에 열용융합판용접착제 도포한 소정의 합성수지 필름,시트 또는 판 등을 고정한다음 가열기로 상기 피착물이 유연해질 때까지 가열하고, 진공흡착장치를 상승시켜 상기 피착물에 접근시킨다음 흡착하여 합판에 피착물을 밀착시키는 방법을 개시하고 있는 것으로, 본 발명이 의도하고자 하는 목적과는 전혀 다른 것이고, 효과도 전혀 다른 것이므로 언급을 생략하기로 한다.However, in this method, a predetermined synthetic resin film, sheet, or plate coated with a hot melt adhesive sheet is fixed to a predetermined wood plywood having a plurality of micropores, and then heated by a heater until the adherend becomes soft, followed by vacuum adsorption. It discloses a method of raising the apparatus to approach the adherend and then adsorbing to adhere the adherend to the plywood. The present invention is completely different from the intended purpose, and the effect is completely different. do.

즉 현재까지의 기술로는 제3도에 도시한 바와같이 평면과 볼록곡면만으로 이루어지는 형태의 목재틀에만 수지판을 코팅할 수 있었고, 제1도에 도시된 것과 같이 목재틀에 볼록곡면과 오목곡면이 동시에 형성되거나, 또는 목재틀의 가장자리부에 오목곡면이 형성되는 경우에는 수지판의 코팅이 불가능한 것으로 인식되어왔다.In other words, until now, as shown in FIG. 3, the resin plate may be coated only on a wooden frame having a flat surface and a convex curved surface. As shown in FIG. 1, a convex curved surface and a concave curved surface may be applied to the wooden frame. It has been recognized that coating of the resin plate is impossible at the same time or when the concave curved surface is formed at the edge of the wooden frame.

왜냐하면 지금까지 목재틀에 수지판을 접착하기 위해서는 목재용 수성접착제와 목재용 유성접착제를 사용하게 되는데, 수성접착제는 수용성의 접착제를 사용하고, 유성접착제는 휘발유나 신나 등의 유류(油類)에 의해 용해되는 접착제를 사용하기 때문에 이들이 동시에 수지판에 도포하여 사용할 수 있다는 것에 착안하지 못한 때문이다.Because until now, in order to adhere the resin plate to the wooden frame, a wooden aqueous adhesive and a wooden oil adhesive are used. The aqueous adhesive uses a water-soluble adhesive, and the oil-based adhesive is applied to oils such as gasoline or thinner. This is because they do not pay attention to the fact that they can be applied to a resin plate at the same time because they use adhesives dissolved by the same.

즉 목재틀과 수지판을 접착하기 위한 접착제의 성질과 종래의 수지판 코팅공정을 살펴보면 이를 이해할 수 있다.In other words, it can be understood by looking at the properties of the adhesive for bonding the wooden frame and the resin plate and the conventional resin plate coating process.

대개 수성접착제는 저렴하고 목재와 접착시 매우 강력한 접착력을 가지나, 프레스등에 의해 강한 압력으로 오랜시간 수지판과 목재틀을 밀착시켜 주어야만 견고한 접착이 가능한 것이고, 유성접착제는 고가이나 약간의 압력에도 순식간에 접착이 이루어지므로 가장자리의 볼록곡면과 같이 오랜시간 강한 압력으로 프레싱할 수 없는 곳에 사용되어진다.In general, water-based adhesives are inexpensive and have very strong adhesive strength when bonding with wood, but strong adhesion is possible only by pressing the resin plate and the wooden frame for a long time with a strong pressure by a press. Since it is bonded, it is used in places where it cannot be pressed under strong pressure for a long time such as the convex curved edge.

또한 수성접착제는 목재틀의 표면에만 도포해도 되는 반면, 유성접착제는 목재틀과 수지판에 모두 도포해야 하는 것이다.In addition, the aqueous adhesive may be applied only to the surface of the wooden frame, while the oil-based adhesive should be applied to both the wooden frame and the resin plate.

따라서 대개의 가구제조공장에서는 먼저 프레싱이 가능하고, 대개 넓은 면적을 가지는 목재틀의 평면에는 수성접착제를 사용하고, 가장자리부의 볼록곡면에는 유성접착제를 사용하게 된다.Therefore, in most furniture manufacturing plants, pressing is possible first, and in general, an aqueous adhesive is used for the plane of the wooden frame having a large area, and an oily adhesive is used for the convex curved surface of the edge part.

따라서 종래의 수지판 코팅공정을 살펴보면 먼저 목재틀의 평면에 수정접착제를 도포한 후 수지판을 얹고 프레스에 넣고 밀착시켜 접착시킨 후, 이를 프레스에서 꺼내 접착제를 바르지 않은 목재틀의 가장자리부와 접착되지 않은 수지판의 나머지 부분에 유성접착제를 도포하게 된다.Therefore, in the conventional resin plate coating process, first of all, a crystal adhesive is applied to the plane of the wooden frame, and then the resin plate is put on the press and adhered to the adhesive. Then, the resin plate is removed from the press and is not adhered to the edge of the wooden frame without the adhesive. The oil-based adhesive is applied to the remaining portion of the resin plate.

다음 수지판가열장치가 형성된 포밍장치에 목재틀을 얹어두면 목재틀은 로울러를 따라 이송되어지고, 히터에 의해 유연해진 수지판은 금형에 의해 볼록곡면을 따라 눌려지면서 유성접착제에 의해 목재틀에 접착되어지는 것이다.Next, if the wooden frame is placed on the forming device on which the resin plate heating device is formed, the wooden frame is transferred along the roller, and the resin plate, which is flexible by the heater, is pressed along the convex surface by the mold and adhered to the wooden frame by the oil-based adhesive. It is done.

물론 상기와 같은 방법으로는 평면과 볼록곡면에만 수지판을 코팅할 수 있는 방법으로 이는 제3도와 같이 프레스에 의해 수지판이 목재틀의 평면에 접착된 후에도 수지판과 목재틀의 가장자리부가 완전히 노출되어 있는 상태이므로 다음 공정인 유성접착제의 도포가 가능해지는 것이다.Of course, in the same way as above, the resin plate can be coated only on the flat and convex curved surfaces, which is completely exposed after the resin plate is adhered to the plane of the wooden frame by the press as shown in FIG. Since it exists, the application of the oil-based adhesive, which is the next step, becomes possible.

그러나 제2도(b)와 같이 오목곡면을 형성한 본 발명 목재틀과 같은 경우는 프레스에 의해 수지판이 목재틀의 평면에 접착된 후에는 수지판에 의해 오목곡면이 거의 덮힌 상태가 되므로 유성접착제의 도포가 곤란하다.However, in the case of the wood frame of the present invention in which the concave curved surface is formed as shown in FIG. 2 (b), after the resin plate is adhered to the plane of the wooden frame by the press, the concave curved surface is almost covered by the resin plate. Is difficult to apply.

더우기 목재틀의 가장자리부가 수지판과 접하기라도 하는 경우는 접착제의 도포는 불가능하게 되는 것이다.Moreover, in the case where the edge of the wooden frame is in contact with the resin plate, it is impossible to apply the adhesive.

따라서 지금까지는 목재틀에 오목곡면을 형성하여 수지판을 접착한다는 것은 타성에 젖어온 당업계에서는 시도되어 본 적이 없어 당연히 지금까지 평면과 볼록곡면만으로 이루어진 매우 단조로운 형태의 판이나 각재만을 얻을 수 밖에 없었고, 이를 사용하여 제작한 가구나 씽크대도 당연히 단조로운 디자인을 가질 수 밖에 없었다.Therefore, until now, it has never been attempted in the art to form a concave curved surface on a wooden frame to bond the resin plate, so of course, only the flat and convex curved surface or convex surface has to be obtained. Of course, furniture and sinks made using it also had a monotonous design.

따라서 본 발명자는 목재틀에 심미감을 줄 수 있도록 오목곡면을 형성하고 상기 오목곡면에 수지판을 접착할 수 있는 방법을 안출해 내므로써 다양한 형태의 판낼 및 각재를 제작할 수 있고, 이를 이용하여 다양한 디자인을 갖는 가구를 생산해 낼 수 있었다.Therefore, the present inventors can form various shapes of boards and squares by forming a concave curved surface to give an aesthetic sense to a wooden frame and devising a method of adhering a resin plate to the concave curved surface. It could produce furniture with.

즉 종래의 방법이 프레싱공정 전에 수성접착제를 먼저 도포하고, 프레싱공정 후에 유성접착제를 도포하던 방법에서 탈피하여 본 발명은 프레싱공정 이전에 수지판에 수지판이 접착될 목재틀의 수성접착제 접착면적과 유성접착제 접착면적을 맞춰 수성접착제 도포면과 유성접착제 도포면으로 구획하여 접착제를 도포한 뒤, 프레스공정과 포밍공정을 거쳐 본 발명을 완성할 수 있었다.In other words, the conventional method is to apply the aqueous adhesive before the pressing step first, and to remove from the method of applying the oil-based adhesive after the pressing step, the present invention is the adhesive surface area and the oil-based adhesive adhesive area of the wooden frame to be bonded to the resin plate before the pressing step After the adhesive was applied, the aqueous adhesive coating surface and the oil-based adhesive coating surface were partitioned to apply the adhesive, and then the present invention was completed through a press process and a forming process.

이와같은 본 발명의 공정을 첨부한 도면에 의해 상세히 설명하면 다음과 같다.Such a process of the present invention will be described in detail with reference to the accompanying drawings as follows.

본 발명의 제1공정은 목재틀(1)에 수성접착제와 유성접착제를 도포하고, 상기 수성접착제가 도포된 부분의 면적과 유성접착제가 도포된 부분의 면적을 측정한다.In the first step of the present invention, an aqueous adhesive and an oily adhesive are applied to the wooden frame 1, and the area of the portion to which the aqueous adhesive is applied and the area to which the oily adhesive is applied are measured.

이때 평면(1a)은 수성접착제가 도포되고 곡면(1b,1c)에는 유성접착제가 도포된다.At this time, the aqueous adhesive is applied to the plane 1a and the oily adhesive is applied to the curved surfaces 1b and 1c.

본 발명에서 사용한 수성접착제의 종류로는 초산비닐 에멀젼접착제를 사용하였으며, 유성접착제로는 클로로프렌 고무접착제를 사용하였으나 다른 종류의 접착제를 사용할 수 있음은 당연하다.Although the vinyl acetate emulsion adhesive was used as the type of the aqueous adhesive used in the present invention, and the chloroprene rubber adhesive was used as the oily adhesive, it is obvious that other types of adhesives can be used.

제2공정은 측정된 수성접착제 도포면적과 유성접착제 면적을 바탕으로 멜라민수지판(2)의 저면을 유성접착제 도포면(A)과 수성접착제도포면(B)로 구획한다.In the second step, the bottom surface of the melamine resin board 2 is divided into an oily adhesive coating surface A and an aqueous adhesive coating surface B based on the measured aqueous adhesive coating area and the oily adhesive area.

제3공정은 구획된 면적에 서로 겹치지 않도록 유성접착제 도포면(A)에만 유성접착제를 도포한다.In the third step, the oil-based adhesive agent is applied only to the oil-based adhesive agent application surface A so as not to overlap each other in the divided areas.

제4공정은 목재틀(1)과 수지판(2)을 프레스에 넣어 강한 압력으로 수성접착제도포면(B)만을 접착시킨다.In the fourth step, the wood frame 1 and the resin plate 2 are put into a press to adhere only the aqueous adhesive agent-laid surface B with a strong pressure.

제5공정은 프레스에서 꺼낸 목재틀(1)과 수지판(2)을 미도시된 수지판가열장치를 구비하는 포밍(Forming)기에 넣어 로울러를 따라 이송되도록 하고, 수지판가열장치에 의해 유연해진 수지판(2)은 목재틀(1)의 오목곡면(1c)와 동일한 굴곡형태, 즉 볼록한 형태를 갖는 금형(성형틀)에 의해 수지판(2)이 오목곡면(1c)를 따라 눌러지면서 미리 도포된 유성접착제에 의해 목재틀(1)에 접착되어지는 것이다.In the fifth step, the wooden frame 1 and the resin plate 2 taken out from the press are placed in a forming machine having a resin plate heating device (not shown) to be transported along the roller, and the resin plate heating device is flexible. The resin plate 2 is previously pressed while the resin plate 2 is pressed along the concave surface 1c by a mold (molding frame) having the same curved form, that is, convex form, as the concave curved surface 1c of the wooden frame 1. It is adhered to the wood frame 1 by the oil-based adhesive applied.

이때 가장자리부의 볼록곡면(1b)의 접착은 종래의 방법과 동일한 방법을 갖는다.At this time, adhesion of the convex curved surface 1b of the edge part has the same method as the conventional method.

이와같은 본 발명의 효과로는 목재틀에 오목곡면을 형성하고, 상기와 같은 목재틀에도 수지판을 접착할 수 있도록 하므로써 다양한 형상의 수지가 코팅된 목재틀(판 또는 각재)를 얻을 수 있으며, 이를 이용해 종래의 가구보다 보다 심미감이 뛰어나고, 다양한 디자인이 가능한 가구를 제작할 수 있도록 하므로써 소비자들에게 선택의 범위를 넓힐 수 있는 매우 유용한 발명인 것이다.Such an effect of the present invention is to form a concave curved surface on the wooden frame, by allowing the resin plate to be bonded to the wooden frame as described above to obtain a wooden frame (plate or square) coated with a resin of various shapes, It is a very useful invention that can expand the range of choices to consumers by making furniture that is more aesthetically pleasing than conventional furniture and capable of various designs.

Claims (1)

목재틀(1)에 수성접착제와 유성접착제를 도포하고, 상기 수성접착제가 도포된 부분의 면적과 유성접착제가 도포된 부분의 면적을 측정하는 제1공정과, 측정된 수성접착제 도포면적과 유성접착제 면적을 바탕으로 멜라민수지판(2) 저면을 유성접착제 도포면(A)과 수성접착제도포면(B)로 구획하는 제2공정과, 구획된 면적에 서로 겹치지 않도록 유성접착제 도포면(A)에는 유성접착제만 도포하는 제3공정과, 상기 수성접착제 도포면(B)을 목재틀(1)의 수성접착제가 도포된 면과 일치시켜 프레스에 넣고 강한 압력으로 목재틀(1)과 수지판(2)을 접착시키는 제4공정과, 프레스에서 꺼낸 목재틀(1)과 수지판(2)을 수지판가열장치를 구비하는 포밍(Forming)기에 넣어 로울러를 따라 이송되도록 하고, 수지판가열장치에 의해 유연해진 수지판(2)은 목재틀(1)의 오목곡면(1c)와 동일한 굴곡형태를 갖는 금형에 의해 목재틀(1)에 접착되도록함을 특징으로 하는 목재틀에 있어서의 오목곡면의 멜라민수지판 코팅방법.Applying a water-based adhesive and an oil-based adhesive to the wooden frame (1) and measuring the area of the portion coated with the water-based adhesive and the area of the portion coated with the oil-based adhesive; the measured water-based adhesive coating area and the oil-based adhesive The second step of dividing the bottom surface of the melamine resin plate (2) into the oil-based adhesive coating surface (A) and the water-based adhesive coating surface (B) based on the area, and only the oil-based adhesive on the oil-based adhesive coating surface (A) so as not to overlap each other in the partitioned area. The third step of applying and the aqueous adhesive coating surface (B) to match the surface on which the aqueous adhesive of the wooden frame 1 is applied to put in a press to bond the wooden frame (1) and the resin plate (2) at a high pressure In the fourth step, the wooden frame 1 and the resin plate 2 taken out from the press are placed in a forming machine equipped with a resin plate heating device so as to be transported along the roller, and the resin plate softened by the resin plate heating device. (2) is the concave curved surface (1c) of the wooden frame (1) Melamine resin coating method of the concave curved surface in the wooden frame, characterized in that to be bonded to the wooden frame (1) by a mold having the same bent form.
KR1019960041520A 1996-09-18 1996-09-18 Coating method of melanine resin sheet of concave curved surface as a wood frame KR0166575B1 (en)

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KR0166575B1 true KR0166575B1 (en) 1999-01-15

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