KR20080030760A - Pipe powder coating pipe and method for manufacturing thereof - Google Patents

Pipe powder coating pipe and method for manufacturing thereof Download PDF

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KR20080030760A
KR20080030760A KR1020060097031A KR20060097031A KR20080030760A KR 20080030760 A KR20080030760 A KR 20080030760A KR 1020060097031 A KR1020060097031 A KR 1020060097031A KR 20060097031 A KR20060097031 A KR 20060097031A KR 20080030760 A KR20080030760 A KR 20080030760A
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pipe
powder
powder coating
diameter surface
manufacturing
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KR100823836B1 (en
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배점규
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배점규
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
    • B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A powder coating pipe and a manufacturing method thereof are provided to reduce the manufacturing cost and obtain aesthetic appearance. A powder coating pipe comprises a pipe(10) and powder coating layers(11,12). The powder coating layers are formed on the inner-diameter surface and the outer-diameter surface of the pipe, respectively. The pipe is made from various metal materials such as low carbon steel, high carbon steel, carbon steel for structural use or cast iron. The powder coating layers are formed by coating powder pigments on the inner-diameter surface and the outer-diameter surface of the pipe and drying the powder pigments. The powder coating layers contain the same pigment materials or similar pigment materials such that the powders are uniformly and stably coated on the inner-diameter surface and the outer-diameter surface of the pipe.

Description

분체코팅 파이프 및 그 제조방법{PIPE POWDER COATING PIPE AND METHOD FOR MANUFACTURING THEREOF}Powder coated pipe and its manufacturing method {PIPE POWDER COATING PIPE AND METHOD FOR MANUFACTURING THEREOF}

도 1은 본 발명의 일 실시예에 따른 분체코팅 파이프를 도시한 사시도. 1 is a perspective view showing a powder coating pipe according to an embodiment of the present invention.

도 2는 본 발명의 분체코팅 파이프 제조방법을 도시한 공정도이다. Figure 2 is a process chart showing a powder coating pipe manufacturing method of the present invention.

* 도면의 주요 부분에 대한 부호의 간단한 설명 *Brief description of symbols for the main parts of the drawings

10 : 파이프 11, 12 : 분체코팅층10: pipe 11, 12: powder coating layer

본 발명은 파이프에 관한 것으로, 보다 상세하게는 그 내경면 및 외경면에 분체를 코팅한 분체코팅 파이프에 관한 것이다. The present invention relates to a pipe, and more particularly, to a powder coating pipe coated with powder on its inner and outer surfaces.

일반적으로, 각종 조립식 구조물에는 파이프가 다양한 용도로 이용되고 있으며, 이러한 파이프들은 주로 강 등과 같은 금속재질로 이루어지며, 최근에는 이러한 파이프의 외주면에 금속표면처리한 파이프, 액체 페인트를 도포한 파이프, 또는 합성수지를 코팅처리한 코팅 파이프가 널리 이용되고 있는 추세이다. In general, pipes are used for various applications in various prefabricated structures, and these pipes are mainly made of a metal material such as steel, and recently, pipes with metal surface treatment, pipes coated with liquid paint, or the like Coating pipes coated with synthetic resins are widely used.

특히, 합성수지 코팅파이프는 그 코팅되는 합성수지의 색상에 따라 그 외경 면에 다양한 색상을 처리함으로써 그 미려한 외관을 부여할 수 있다. In particular, the synthetic resin coating pipe can be given a beautiful appearance by treating a variety of colors on the outer diameter surface according to the color of the synthetic resin to be coated.

하지만, 이러한 합성수지 코팅파이프는 그 외경면에 부착된 합성수지 코팅층을 분리하기가 매우 어려우며 또한 합성수지 코팅층의 분리 없이는 그 재활용이 어려워 폐기처리하여야 함에 따라 환경친화적이지 못한 단점이 있었다. However, the synthetic resin coating pipe has a disadvantage that it is very difficult to separate the synthetic resin coating layer attached to the outer diameter surface and it is difficult to recycle without the separation of the synthetic resin coating layer, so that it must be disposed of.

이에 따라, 최근에는 환경친화적 특성을 향상시키기 위하여 스테인레스 재질로 이루어진 스테인레스 파이프를 부분적으로 사용하고 있지만, 그 재질 단가 및 제조상의 어려움으로 인해 그 제조단가가 매우 높고, 그 외관의 색상이 다양하지 못한 단점이 있었다. Accordingly, in recent years, in order to improve environmentally friendly characteristics, stainless pipes made of stainless material are partially used, but due to the material cost and manufacturing difficulties, the manufacturing cost is very high, and the color of the appearance is not varied. There was this.

본 발명은 상기와 같은 점을 감안하여 안출한 것으로, 상기의 스테인레스 파이프 및 합성수지 코팅파이프의 단점을 해소하도록 다양한 색상을 부여함과 동시에환경친화성을 향상시킨 분체코팅 파이프 및 그 제조방법을 제공하는 데 그 목적이 있다. The present invention has been made in view of the above point, to provide a powder coating pipe and a method of manufacturing the same to give a variety of colors to improve the environmental friendliness to solve the disadvantages of the stainless steel pipe and synthetic resin coating pipe. Its purpose is to.

상기의 목적 달성을 위한 본 발명은, 금속재질의 파이프 내경면 및 외경면에 분체코팅층이 형성된 분체코팅 파이프를 제공하는 데 그 특징이 있다. The present invention for achieving the above object is characterized by providing a powder coating pipe formed with a powder coating layer on the inner and outer surfaces of the metal pipe.

또한, 파이프의 내경면 및 외경면에 각각 코팅되는 분체코팅층는 그 재질의 특성이 동일 내지는 유사한 재질의 분체로 이루어짐이 바람직할 것이다. In addition, the powder coating layer coated on the inner and outer diameter surfaces of the pipe, respectively, it will be preferable that the properties of the material is made of powder of the same or similar material.

파이프의 외경면에 코팅되는 분체코팅층은 다양한 색상을 선택적으로 가질 수 있다. The powder coating layer coated on the outer diameter surface of the pipe may optionally have various colors.

그리고, 본 발명에 의한 분체코팅 파이프 제조공법은,And, powder coating pipe manufacturing method according to the present invention,

금속재질의 파이프 내경면 및 외경면에 특정색상을 가진 분체를 도포하는 도포단계;An application step of applying powder having a specific color to the inner and outer surfaces of the metal pipe;

상기 도포단계에서 분체가 도포된 파이프를 고온 건조로 내에서 건조시키는 건조단계;를 포함한다. And a drying step of drying the pipe to which the powder is applied in the applying step in a high temperature drying furnace.

상기 도포단계에서, 분체 토출기를 파이프의 후방단에서 전방단으로 이동시키면서 상기 파이프의 내경면에 분체를 도포하는 것을 특징으로 한다. In the coating step, it is characterized in that the powder is applied to the inner diameter surface of the pipe while moving the powder ejector from the rear end of the pipe to the front end.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명한다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 분체코팅 파이프를 도시한 단면도이다. 1 is a cross-sectional view showing a powder coating pipe according to an embodiment of the present invention.

도시된 바와 같이, 본 발명의 분체코팅 파이프는 파이프(10) 및 이 파이프(10)의 내경면 및 외경면에 형성된 분체코팅층(11, 12)을 포함한다. As shown, the powder coating pipe of the present invention includes a pipe 10 and powder coating layers 11 and 12 formed on the inner and outer diameter surfaces of the pipe 10.

파이프(10)는 저탄소강, 고탄소강, 구조용 탄소강, 또는 주철 등과 같은 다양한 종류의 금속재질로 이루어질 수 있다. The pipe 10 may be made of various kinds of metal materials such as low carbon steel, high carbon steel, structural carbon steel, or cast iron.

분체코팅층(11, 12)은 파이프(10)의 내경면 및 외경면에 분체형 도료가 도포된 후에 다양한 종류의 고온 건조로 내에서 건조되어 그 분체가 코팅되어 형성된다. The powder coating layers 11 and 12 are coated on the inner and outer surfaces of the pipe 10 and then dried in various kinds of high temperature drying furnaces to coat the powder.

파이프(10)의 내경면 및 외경면에 각각 코팅되는 분체코팅층(11, 12)는 그 재질의 특성이 동일 내지는 유사한 도료 재질로 이루어짐이 바람직할 것이다. 이는 그 건조공정시에 파이프(10)의 내경면 및 외경면 각각에 도포되는 분체를 균일하고 안정적으로 접착시킴으로써 균일하고 치밀한 조직의 분체코팅층(11, 12)을 형성하기 위함이다. The powder coating layers 11 and 12 coated on the inner and outer surfaces of the pipe 10 may be made of the same or similar paint material. This is to form uniform and dense powder coating layers 11 and 12 by uniformly and stably adhering the powder applied to each of the inner and outer diameter surfaces of the pipe 10 during the drying process.

도 2는 본 발명의 일 실시예에 의한 분체코팅 파이프의 제조방법을 도시한 도면이다. 2 is a view showing a method of manufacturing a powder coating pipe according to an embodiment of the present invention.

도시된 바와 같이, 본 발명의 분체코팅 파이프를 제조하기 위해서는 파이프(10)의 내경면 및 외경면에 각종 금속표면처리를 수행할 수 있고, 이렇게 표면처리된 파이프(10)의 내경면 및 외경면에 분체 도포장치(미도시)를 이용하여 도포한다(S1).As shown in the drawings, in order to manufacture the powder coating pipe of the present invention, various metal surface treatments may be performed on the inner and outer surfaces of the pipe 10, and the inner and outer surfaces of the pipe 10 treated as such are treated. It is applied by using a powder coating device (not shown) (S1).

파이프(10)의 내경면에 분체를 도포하는 공정은 분체 도포장치의 분체 토출기(미도시)를 파이프(10)의 후방단(10b)으로부터 파이프(10)의 전방단(10a)으로 후진시키면서 파이프(10)의 내경면에 균일한 분체의 도포를 수행한다. The process of applying the powder to the inner diameter surface of the pipe 10 retreats the powder ejector (not shown) of the powder applicator from the rear end 10b of the pipe 10 to the front end 10a of the pipe 10. The uniform powder is applied to the inner diameter surface of the pipe 10.

이 때, 분체 토출기를 파이프(10)의 후방단(10b)에서 전방단(10a)으로 후진시키면서 분체를 토출하는 이유는 분체 토출기가 파이프(10)의 전방단(10a)에서 후방단(10b)으로 전진하면서 분체를 토출하는 경우 그 본체 토출기를 전방단(10a)으로 복귀시키는 도중에 분체 토출기로부터 분체가 누설되어 파이프(10)의 내경면에 기도포된 분체에 떨어져 분체의 도포 두께가 균일하지 못할 수 있고, 이렇게 분체 의 도포가 불균일할 경우 그 코팅되는 분체코팅층(11)의 두께 또한 불균일해져 그 제품 불량의 발생을 방지하기 위함이다. At this time, the powder ejector discharges the powder while the powder ejector is reversed from the rear end 10b of the pipe 10 to the front end 10a because the powder ejector discharges the powder from the front end 10a of the pipe 10 to the rear end 10b. In the case of discharging the powder while advancing forward, the powder is leaked from the powder ejector during the return of the main body ejector to the front end 10a, and the powder is applied to the inner air-surface of the pipe 10, and the coating thickness of the powder is not uniform. If the coating of the powder is not uniform, the thickness of the coated powder coating layer 11 is also uneven, so as to prevent the occurrence of product defects.

또한, 분체 토출기를 가이드장치에 의해 그 이동이 안내되고, 파이프(10)의 양단(10a, 10b)에는 분체 회수기(미도시)가 설치될 수도 있을 것이다. In addition, the movement of the powder ejector is guided by the guide device, and powder recovery machines (not shown) may be installed at both ends 10a and 10b of the pipe 10.

이렇게 파이프(10)의 내경면 및 외경면에 분체의 도포가 완료되면 고온 건조로 내로 파이프(10)를 안치시켜 소정의 온도 및 시간동안 건조시킴으로써 파이프(10)의 내경면 및 외경면에 도포된 분체를 균일하게 접착시킨다(S2). When the powder is applied to the inner and outer diameter surfaces of the pipe 10, the pipe 10 is placed in a high temperature drying furnace and dried for a predetermined temperature and time to be applied to the inner and outer diameter surfaces of the pipe 10. Powder is uniformly bonded (S2).

이렇게 도포된 분체가 건조공정에 의해 접착되면 도 1에 도시된 바와 같이 파이프(10)의 내경면 및 외경면에 분체코팅층(11, 12)이 형성된다(S3). When the powder thus applied is bonded by a drying process, powder coating layers 11 and 12 are formed on inner and outer surfaces of the pipe 10 as shown in FIG. 1 (S3).

본 발명의 분체코팅 파이프 제조방법은 그 직경이 작고, 길이가 긴 파이프(10)에 특히 유용할 것이다. The powder coating pipe manufacturing method of the present invention will be particularly useful for pipe 10 having a small diameter and long length.

본 발명은 기재된 실시예에 한정되는 것이 아니고, 본 발명의 사상 및 범위를 벗어나지 않고 다양하게 수정 및 변형할 수 있음은 이 기술의 분야에서 통상의 지식을 가진 자에게 자명하다. 따라서, 그러한 수정예 또는 변형예들은 본 발명의 특허청구범위에 속한다 하여야 할 것이다.It is apparent to those skilled in the art that the present invention is not limited to the described embodiments, and that various modifications and changes can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

상기와 같은 본 발명은, 스테인레스 파이프 및 합성수지 코팅파이프의 단점을 해소하도록 다양한 색상을 부여함과 동시에 환경친화성을 향상시킨 장점이 있다. The present invention as described above, has the advantage of improving the environmental friendliness while at the same time giving a variety of colors to eliminate the disadvantages of stainless steel pipe and synthetic resin coating pipe.

특히, 본 발명은 종래의 합성수지 코팅파이프에 비해 30% 이상의 원가 절감 이 가능한 장점이 있다. In particular, the present invention has the advantage that the cost reduction of more than 30% compared to the conventional synthetic resin coating pipe.

Claims (4)

금속재질의 파이프에 있어서, In the metal pipe, 상기 파이프의 내경면 및 외경면에 분체코팅층이 형성된 것을 특징으로 하는 분체코팅 파이프.Powder coating pipe, characterized in that the powder coating layer is formed on the inner and outer surfaces of the pipe. 제1항에 있어서, The method of claim 1, 상기 파이프의 내경면 및 외경면에 각각 코팅되는 분체코팅층는 그 재질의 특성이 동일 내지는 유사한 재질의 분체로 이루어진 것을 특징으로 하는 분체코팅 파이프. The powder coating layer coated on the inner and outer diameter surfaces of the pipe, respectively, the powder coating pipe, characterized in that the properties of the material made of powder of the same or similar material. 금속재질의 파이프 내경면 및 외경면에 특정색상을 가진 분체를 도포하는 도포단계;An application step of applying powder having a specific color to the inner and outer surfaces of the metal pipe; 상기 도포단계에서 분체가 도포된 파이프를 고온 건조로 내에서 건조시키는 건조단계;를 포함하는 것을 특징으로 하는 분체코팅 파이프 제조방법.Powder coating pipe manufacturing method comprising a; drying step of drying the pipe coated with powder in the coating step in a high temperature drying furnace. 제3항에 있어서, The method of claim 3, 상기 도포단계에서, 분체 토출기를 파이프의 후방단에서 전방단으로 이동시키면서 상기 파이프의 내경면에 분체를 도포하는 것을 특징으로 하는 분체코팅 파이프 제조방법. In the coating step, the powder coating pipe manufacturing method characterized in that the powder is applied to the inner surface of the pipe while moving the powder ejector from the rear end of the pipe to the front end.
KR1020060097031A 2006-10-02 2006-10-02 Pipe powder coating pipe and method for manufacturing thereof KR100823836B1 (en)

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