KR101048749B1 - Building materials composed of aluminum coating with drawing and manufacturing method - Google Patents

Building materials composed of aluminum coating with drawing and manufacturing method Download PDF

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KR101048749B1
KR101048749B1 KR1020090007835A KR20090007835A KR101048749B1 KR 101048749 B1 KR101048749 B1 KR 101048749B1 KR 1020090007835 A KR1020090007835 A KR 1020090007835A KR 20090007835 A KR20090007835 A KR 20090007835A KR 101048749 B1 KR101048749 B1 KR 101048749B1
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South Korea
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aluminum
pipe
pipes
metal
metal pipe
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KR1020090007835A
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Korean (ko)
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KR20100088748A (en
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윤충호
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윤충호
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/102—Making tubes with riveted seams or with non-welded and non-soldered seams of coated strip material (making multi-wall tubes)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • 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
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

본 발명은 건축물의 방범창이나 계단, 베란다 등에 설치되는 난간용 지주, 대문소재 등으로 사용되는 파이프를 내부는 강도를 가지는 금속제파이프로 구성하고 그 외부는 알루미늄피복이 일체로 형성되어서 강도에 문제가 없으면서도 알루미늄의 특성인 다양한 칼라를 연출하여 장식 미를 최대화하도록 한 인발로 알루미늄피복을 일체로 구성한 건축자재 및 그 제조방법에 관한 것으로, 건축자재로 사용하기에 알맞은 직경의 금속제파이프를 기존 생산되어 사용되는 금속제파이프에서 선택하는 금속제파이프 선택공정과, 다양한 색상이 착색된 기존의 알루미늄파이프 중에서 건축자재로 사용하고자 하는 색상을 선택하고 금속제파이프가 알루미늄파이프에 쉽게 삽입되도록 상기 금속제파이프 선택공정에서 선택한 금속제파이프의 외경보다 내경이 플러스 공차를 갖는 알루미늄파이프를 선택하는 알루미늄소재 선택공정과, 상기 알루미늄소재선택공정에서 선택된 알루미늄파이프를 금속제파이프에 인발하여 압착하고자 하는 량에 맞추어 절단하는 알루미늄소재절단공정과, 상기 알루미늄소재절단공정에서 절단한 알루미늄파이프에 금속제파이프를 삽입하여서 결합하는 금속제파이프와 알루미늄파이프 결합공정과, 상기 금속제파이프와 알루미늄파이프 결합공정에서 알루미늄파이프에 금속제파이프를 삽입하여서 결합된 복합파이프를 인발기에서 외부의 알루미늄파이프만을 인발함으로써 알루미늄파이프의 내경이 점차 줄어들어 금속제파이프의 외경에 압착됨과 동시에 일정한 두께의 알루미늄피복이 일체로 구성되도록 하는 인발, 압착공정으로 내부는 금속제파이프를 구성하고 외부는 알루미늄피막을 일체로 구성하여 형성함을 특징으로 하는 인발로 알루미늄 피복을 일체로 구성한 건축자재로서 강도를 유지하면서도 비교적 저가인 금속제 소재의 외면에 다양한 색상이 쉽게 착색되는 알루미늄을 일체로 압착구성하여 방범창이나 난간지주 대문 등의 소재로 사용하는 건축자재를 다양한 색깔로 연출하도록 함으로써 가격이 저렴하면서도 부식되지 않고 건축물의 외관미를 향상시키는 효과를 창출하는 등 그 효과는 대단하다 할 것이다.The present invention consists of a metal pipe having a strength inside the pipe used for guardrails, stairways, porches, etc. installed in the building's security window, stairs, porch, etc., the outside of the aluminum coating is integrally formed, there is no problem in strength The present invention relates to a building material integrally composed of aluminum coating with a drawing to maximize the decorative beauty by producing various colors that are characteristic of aluminum, and to a method of manufacturing the same. A metal pipe having a diameter suitable for use as a building material has been produced and used. Metal pipe selection process selected from metal pipes to be used, and metal pipes selected in the metal pipe selection process so that the metal pipes can be easily inserted into the aluminum pipes by selecting a color to be used as a building material from existing aluminum pipes with various colors. Inner diameter than In the aluminum material selection process of selecting an aluminum pipe having a russing tolerance, the aluminum material cutting process of cutting the aluminum pipe selected in the aluminum material selection process to the amount to be squeezed by the metal pipe, and in the aluminum material cutting process Metal pipes and aluminum pipes joining process by inserting metal pipes into the cut aluminum pipes, and composite pipes joined by inserting metal pipes into aluminum pipes in the joining process of metal pipes and aluminum pipes. By drawing the bay, the inner diameter of the aluminum pipe is gradually reduced to be pressed to the outer diameter of the metal pipe, and at the same time, it is a drawing and pressing process that allows the aluminum coating of a certain thickness to be integrally formed. This is a building material that consists of an aluminum coating integrally formed by integrally forming a aluminum film. A security window is formed by integrally compressing aluminum that is easily colored in various colors on the outer surface of a relatively inexpensive metal material while maintaining strength. By producing the building materials used in the materials such as doors and railing gates in a variety of colors, the effect is great, such as creating an effect of improving the appearance of the building without being corroded at a low price.

금속제파이프, 알루미늄파이프, 인발, 압착 Metal pipe, aluminum pipe, drawing, crimping

Description

인발로 알루미늄피복을 일체로 구성한 건축자재 및 그 제조방법{Building material and the manufacture method to compose aluminum covering to all in drawing}Building material and the manufacture method to compose aluminum coating integrally with drawing {building material and the manufacture method to compose aluminum covering to all in drawing}

본 발명은 건축물의 방범창이나 계단, 베란다 등에 설치되는 난간용 지주, 대문소재 등으로 사용되는 파이프를 내부는 강도를 가지는 금속제파이프로 구성하고 그 외부는 알루미늄피복이 일체로 형성되어서 강도에 문제가 없으면서도 알루미늄의 특성인 다양한 칼라를 연출하여 장식 미를 최대화하도록 한 인발로 알루미늄피복을 일체로 구성한 건축자재 및 그 제조방법에 관한 것이다.The present invention consists of a metal pipe having a strength inside the pipe used for guardrails, stairways, porches, etc. installed in the building's security window, stairs, porch, etc., the outside of the aluminum coating is integrally formed, there is no problem in strength The present invention relates to a building material integrally composed of aluminum coating with a pull to produce a variety of colors that are characteristic of aluminum to maximize decorative beauty and a method of manufacturing the same.

산업이 발전함에 따라 건축문화도 발전하여 건축에 사용되는 자재도 안전을 위한 내구성을 기본으로 강도를 만족하여야 함은 물론, 외관미를 향상시켜야 하였다.As the industry developed, the building culture also developed, and the materials used in the construction had to satisfy the strength based on the durability for safety as well as to improve the appearance.

따라서 방범창이나 계단, 베란다 등에 설치되는 난간용 지주, 대문소재로 사용하는 건축용 소재를 처음에는 쇠파이프를 도금하거나 도장, 또는 페인팅해서 사용하였으나 사용중 부식으로 외관이 나빠지는 이유 등으로 최근에는 쉽게 부식되지 않는 스테인레스를 그 소재로 많이 사용하고 있는 추세이다.Therefore, steel pipes were first plated, painted, or painted for railing props installed on security windows, stairs, verandas, and gates, but they are not easily corroded recently due to corrosion. The trend is to use a lot of stainless as its material.

그러나 스테인레스는 단순한 색깔로 제작되고 다양한 색상의 연출이 어려워 건축물의 외관미를 향상시키는 어려움이 있는 소재였다. However, stainless steel was made of simple colors and difficult to produce various colors, which made it difficult to improve the appearance of buildings.

이에 본 발명은 다양한 색상의 착색이 가능한 알루미늄을 일반적인 금속재에 씌워서 이를 인발하는 방법으로 알루미늄이 금속재의 표면에 일체로 압착 성형시키는 방법을 개발하여 본 발명을 완성하게 되었다. Accordingly, the present invention has been completed by developing a method in which aluminum is press-molded integrally on the surface of a metal material by coating a common metallic material with aluminum capable of coloring various colors.

일반적으로 방범창이나 계단, 베란다 등에 설치하는 난간지주 대문 등에 사용되는 건축자재는 안전을 위주로 하기 때문에 쉽게 파손되지 않는 등 일정한 강도를 만족하여야 하는 이유로 쇠파이프를 도금하거나 도장하여 사용하였으나 이는 장기간 사용시 부식으로 외관이 나빠지므로 페인팅을 하여야 하는 등의 문제점은 물론, 고급스러운 외관미를 창출하지 못하였다.In general, building materials used for guardrail doors installed on security windows, stairs, and verandas, etc. are used for the purpose of satisfying certain strengths, such as not being easily damaged because they are designed for safety. As the appearance deteriorated, there was a problem such as having to paint, and of course, it did not create a luxurious appearance.

여기에 대한 대체품으로 스테인레스로 된 소재를 사용하였으나 이 또한 다양한 색상의 착상이 어려워 단순한 색상만을 연출함으로써 다양한 외관미를 요구하는 현실을 만족할 수 없었던 것이 지금까지의 현실이었다.As a substitute for this, a material made of stainless steel was used, but it was also difficult to conceive of various colors, and thus it was difficult to satisfy the reality of requesting a variety of appearances by producing only simple colors.

소재를 다양한 색상으로 연출하는데 가장 이상적인 것은 알루미늄이나 이는 단가가 고가이면서도 연성인 특성으로 방범창이나 난간지주 대문 등의 소재로 사용하는 데에는 많은 문제점이 야기되어 실제로 사용하지 못하였는바, 본 발명은 상기한 모든 문제점을 해결하고자 금속제파이프를 알루미늄파이프를 끼우고 이를 인발하여 금속제파이프의 외면에 알루미늄피막이 일체로 압착 구성함으로써 내부에는 충분한 강도를 갖는 파이프가 구성되고 외면에는 다양한 색상을 연출할 수 있는 알루미늄을 일체로 압착하여 부식방지는 물론 다양한 색상으로 외관미를 창출하도록 하였다.The most ideal thing to produce the material in a variety of colors is aluminum, but this is a high price and ductile property of the use of the material such as the security window or the railing gate, causing a lot of problems that did not actually use the bar, the present invention described above In order to solve all the problems, the aluminum pipe is inserted into the aluminum pipe, and the aluminum pipe is integrally crimped on the outer surface of the metal pipe to form a pipe having sufficient strength inside and aluminum which can produce various colors on the outside. It is compressed to prevent corrosion and to create appearance in various colors.

상기한 본 발명은 강도를 유지하면서도 비교적 저가인 금속제 소재의 외면에 다양한 색상이 쉽게 착색되는 알루미늄을 일체로 압착구성하여 방범창이나 난간지주 대문 등의 소재로 사용하는 건축자재를 다양한 색깔로 연출하도록 함으로써 가격이 저렴하면서도 부식되지 않고 건축물의 외관미를 향상시키는 효과를 창출하는 등 그 효과는 대단하다 할 것이다.The present invention as described above, by pressing the aluminum, which is easily colored in a variety of colors on the outer surface of a relatively low-cost metal material while maintaining the strength to produce a building material to be used as a material such as a security window or railing gates in a variety of colors The effect is incredible, such as creating an effect that improves the appearance of the building without being corroded and inexpensive.

상기한 본 발명을 완성하는데 따른 제조 방법을 도1인 공정도와 도2인 인발과정을 나타낸 예시도를 참고로 상세히 설명하면 다음과 같다.The manufacturing method according to the present invention described above will be described in detail with reference to an exemplary view showing a process of FIG. 1 and a drawing process of FIG.

금속제파이프 선택공정;Metal pipe selection process;

건축자재로 사용하기에 알맞은 직경의 파이프를 기존 생산되어 사용되는 금속제파이프에서 선택한다.Pipes with the right diameter for construction materials are selected from the metal pipes that are produced and used.

금속제파이프 가공공정;Metal pipe processing process;

상기 금속제파이프 선택공정에서 선택한 금속제파이프를 아무런 후 가공 처리가 되지 않은 파이프를 그대로 사용하여도 무방하나 금속파이프와 알루미늄파이프가 보다 완벽하게 결합되도록 하기 위하여 금속제파이프의 외주면에 다수의 흠집이나 요철을 형성하거나 부식을 방지하기 위하여 도금처리를 할 수도 있으나 이와 같은 공정은 생략하여도 무방하다.The metal pipe selected in the metal pipe selection process may be used without any post-processing pipe as it is, but a plurality of scratches or irregularities are formed on the outer circumferential surface of the metal pipe so that the metal pipe and the aluminum pipe are more perfectly combined. Alternatively, the plating may be performed to prevent corrosion, but such a process may be omitted.

알루미늄소재 선택공정;Aluminum material selection process;

다양한 색상이 착색된 기존의 알루미늄파이프 중에서 건축자재로 사용하고자 하는 색상을 선택하고 상기 금속제파이프 선택공정에서 선택한 금속제파이프의 외 경보다 내경이 플러스 공차를 갖는 알루미늄파이프를 선택하여 금속제파이프가 알루미늄파이프에 쉽게 삽입되도록 한다.Select the color to be used as a building material from the existing aluminum pipes colored with various colors, and select the aluminum pipe having an internal tolerance plus tolerance than the outer diameter of the metal pipe selected in the metal pipe selection process. Make it easy to insert.

이때 알루미늄파이프의 두께는 한정되지 않을 것이나 작업의 효율성 등을 고려할 때 금속제파이프의 외경에 압착하고자하는 알루미늄 두께의 2배 이상은 되어야 하는 것이 바람직하다.At this time, the thickness of the aluminum pipe will not be limited, but considering the efficiency of work, it is preferable that the thickness of the aluminum pipe to be pressed to the outer diameter of the metal pipe to be at least twice.

알루미늄소재 절단공정;Aluminum material cutting process;

상기 알루미늄소재선택공정에서 선택된 알루미늄파이프를 금속제파이프에 인발하여 압착하고자 하는 량에 맞추어 절단한다.The aluminum pipe selected in the aluminum material selection process is drawn out to the metal pipe and cut according to the amount to be compressed.

여기서 알루미늄파이프의 절단량은 생산하고자하는 건축자재의 크기나 소비자의 알루미늄 두께 요구 사항 등에 따라 달라질 것이므로 그 량을 일정하게 한정하여 규정할 수 없다고 할 것이다.The cutting amount of the aluminum pipe will vary depending on the size of the building material to be produced or the aluminum thickness requirements of the consumer, so that the amount cannot be limited.

금속제파이프와 알루미늄파이프 결합공정;Metal pipe and aluminum pipe bonding process;

상기 알루미늄소재절단공정에서 절단한 알루미늄파이프에 금속제파이프를 삽입하여서 결합한다.Metal pipes are inserted into the aluminum pipes cut in the aluminum material cutting process and joined.

인발, 압착공정; Drawing and pressing process;

상기 금속제파이프와 알루미늄파이프 결합공정에서 알루미늄파이프에 금속제파이프를 삽입하여서 결합된 복합 파이프를 도2에 도시된 바와 같이 인발기(100)에서 외부의 알루미늄파이프만(10)을 압착, 인발함으로써 알루미늄파이프(10)의 내경이 점차 줄어들어 금속제파이프(20)의 외경에 압착됨과 동시에 일정한 알루미늄피복(15)의 두께가 되도록 한다.As shown in FIG. 2, the composite pipe combined by inserting the metal pipe into the aluminum pipe in the metal pipe and the aluminum pipe bonding process is pressed and drawn from the drawer 100 to the outside of the aluminum pipe only 10. The inner diameter of 10 is gradually reduced to be pressed to the outer diameter of the metal pipe 20 and to have a constant thickness of the aluminum coating 15.

샤링공정;Shearing process;

상기한 인발, 압착공정으로 완성된 건축용 자재를 규격에 맞추어 양단을 절단 가공하는 공정으로 이 공정은 통상적인 공정이라 하겠다.The process of cutting the both ends of the building material completed by the drawing and pressing process in accordance with the standard, this process will be called a conventional process.

상기한 공정으로 완성된 본 발명의 건축자재는 첨부된 도면 도 3에서와 같이 금속제파이프(20)의 외면에 다양한 색상의 알루미늄피복()이 일체로 압착된 건축용 자재가 완성된다.Building material of the present invention completed by the above process is completed as a building material in which the aluminum coating () of various colors are integrally compressed on the outer surface of the metal pipe 20 as shown in FIG.

이와 같이 완성된 본 발명의 알루미늄피복을 인발하여 일체로 구성한 건축자재를 사용하고자 하는 건축물의 베란다의 난간대나 계단의 난간대 방범창 대문 등으로 사용하고자 하는 용도에 따라 색상을 선택하여 시공하면 그 외관이 다양한 미감을 창출하면서도 부식으로 외관이 손상될 우려가 없으며 강도에서도 전혀 하자가 없는 건축자재로 이용될 수 있다.   When the color is selected and constructed according to the intended use as the balustrade of the porch of the building or the door of the security window of the staircase of the porch of the building, which is to use the building material integrally constructed by drawing the aluminum coating of the present invention, the appearance is varied. While creating aesthetics, there is no risk of damage to the exterior due to corrosion, and it can be used as a building material with no defects in strength.

방범창, 베란다와 계단의 난간지주, 대문소재, 기타건축구조물 지주, 가로등지주 등으로 이용이 가능함.It can be used as a security window, a balustrade of veranda and stairs, a gate material, other structural structures, and a street lamp.

도1은 본 발명을 완성하는데 따른 제조 방법을 나타낸 공정도.1 is a process diagram showing a manufacturing method for completing the present invention.

도2는 본 발명을 실시하는 인발과정을 나타낸 예시도.Figure 2 is an exemplary view showing a drawing process for implementing the present invention.

도3은 본발명의 구성을 나타낸 단면예시도. Figure 3 is a cross-sectional view showing the configuration of the present invention.

<도면 각 주요 부분에 대한 부호의 설명>       <Explanation of symbols for each major part of drawing>

10: 알루미늄파이프 15: 알루미늄피복 10: aluminum pipe 15: aluminum coating

20: 금속제파이프 100: 인발기 20: metal pipe 100: drawing machine

Claims (3)

삭제delete 삭제delete 건축자재로 사용하기에 알맞은 직경의 파이프를 기존 생산되어 사용되는 금속제 파이프에서 선택하여, 상기 금속제파이프의 외주면에 다수의 흠집이나 요철을 형성하거나 부식을 방지하기 위하여 도금처리를 하고, 다양한 색상이 착색된 기존의 알루미늄파이프 중에서 건축자재로 사용하고자 하는 색상을 선택하고 금속제 파이프가 알루미늄파이프에 쉽게 삽입되도록 상기 금속제파이프 선택공정에서 선택한 금속제파이프의 외경보다 내경이 플러스 공차를 갖는 알루미늄파이프를 선택하여, 상기 알루미늄소재선택공정에서 선택된 알루미늄파이프를 금속제파이프에 인발하여 압착하고자 하는 량에 맞추어 절단하여서, 상기 알루미늄소재절단공정에서 절단한 알루미늄파이프에 금속제 파이프를 삽입하여서 결합하고, 상기 금속제파이프와 알루미늄파이프 결합공정에서 알루미늄파이프에 금속제파이프를 삽입하여서 결합된 복합 파이프를 인발기에서 외부의 알루미늄파이프만을 인발함으로써, 알루미늄파이프의 내경이 점차 줄어들어 다수의 흠집이나 요철을 형성한 금속제 파이프의 외경에 일체로 압착되어서 일정한 두께의 알루미늄 피복이 일체로 구성함을 특징으로 하는 인발로 알루미늄 피복을 일체로 구성한 건축자재.Pipes with diameters suitable for use as building materials are selected from metal pipes that have been produced and used in the past, and are plated to form a large number of scratches or irregularities on the outer circumferential surface of the metal pipe or to prevent corrosion, and various colors are colored. Select a color to be used as a building material from the existing aluminum pipe, and select an aluminum pipe having an internal tolerance plus a tolerance more than the outer diameter of the metal pipe selected in the metal pipe selection process so that the metal pipe is easily inserted into the aluminum pipe, The aluminum pipe selected in the aluminum material selection process is cut out according to the amount to be squeezed by the metal pipe, and the metal pipe is inserted into the aluminum pipe cut in the aluminum material cutting process, and then joined. In the pipe joining process, the composite pipe joined by inserting the metal pipe into the aluminum pipe is drawn out from the drawer to only the outer aluminum pipe, so that the inner diameter of the aluminum pipe is gradually reduced to integrally with the outer diameter of the metal pipe that forms a large number of scratches or irregularities. A building material integrally composed of aluminum coating by drawing, characterized in that the aluminum coating having a certain thickness is integrally formed by pressing.
KR1020090007835A 2009-02-02 2009-02-02 Building materials composed of aluminum coating with drawing and manufacturing method KR101048749B1 (en)

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CN103128259B (en) * 2011-11-30 2015-08-26 象水国际股份有限公司 Radiating module and method for making thereof
CN103128258A (en) * 2011-11-30 2013-06-05 讯凯国际股份有限公司 Heat guide module and manufacturing method thereof
KR102140222B1 (en) * 2019-03-08 2020-07-31 오형동 Resin coating equipment of aluminium refrigerant pipe

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KR930011963B1 (en) * 1988-06-25 1993-12-23 우수이 고꾸사이 산교 가부시기가이샤 Multilayer coated corrosion resistant metal pipe
KR950001164A (en) * 1993-06-11 1995-01-03 심정식 Manufacturing method and coating pipe of nonferrous metal sheathed pipe
JPH1144497A (en) 1997-07-23 1999-02-16 Furukawa Electric Co Ltd:The Composite tube for refrigerant passage of aluminum alloy and its manufacture
KR100323306B1 (en) * 1999-08-05 2002-02-06 정경진 The stainless steel pipe for the doorframe of the building.

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Publication number Priority date Publication date Assignee Title
KR930011963B1 (en) * 1988-06-25 1993-12-23 우수이 고꾸사이 산교 가부시기가이샤 Multilayer coated corrosion resistant metal pipe
KR950001164A (en) * 1993-06-11 1995-01-03 심정식 Manufacturing method and coating pipe of nonferrous metal sheathed pipe
JPH1144497A (en) 1997-07-23 1999-02-16 Furukawa Electric Co Ltd:The Composite tube for refrigerant passage of aluminum alloy and its manufacture
KR100323306B1 (en) * 1999-08-05 2002-02-06 정경진 The stainless steel pipe for the doorframe of the building.

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