KR200399704Y1 - (Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on inner surface of water pipe - Google Patents

(Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on inner surface of water pipe Download PDF

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KR200399704Y1
KR200399704Y1 KR20-2005-0017788U KR20050017788U KR200399704Y1 KR 200399704 Y1 KR200399704 Y1 KR 200399704Y1 KR 20050017788 U KR20050017788 U KR 20050017788U KR 200399704 Y1 KR200399704 Y1 KR 200399704Y1
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South Korea
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pipe
thickness
model registration
utility
pvc elbow
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KR20-2005-0017788U
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Korean (ko)
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양영근
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양영근
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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
    • F16L43/00—Bends; Siphons
    • F16L43/008—Bends; Siphons made from plastic material

Abstract

본 고안은 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보에 관한 것으로서, 더욱 상세하게는 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사가 각각 형성되고, 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사가 형성된 끝 지점에 관이음으로 각각 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착 지지하도록 같은 넓이에 지지면을 각각 형성하고, 상기 지지면이 형성됨에 따라서 보다 완벽하게 밀착하도록 납작하고 두께를 갖는 고무 링이 일체 구비되면서, (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관에 관이음으로서 일체하기 위함이다.The present invention (Utility Model Registration No. 0364072) has a supporting surface according to the thickness of the plastic pipe having a double pipe on the inner surface of the water pipe Now, it relates to PVC elbow, and more specifically, Now female threads are formed on both sides of the PVC elbow bidirectionally, (PVC) No. 0364072, each of which joins to the end of the female thread on both sides of the PVC elbow, is applied to the same width so that the thickness of the male thread formed on both ends of the plastic pipe having double pipes on the metal inner surface of the water pipe is bonded. Each surface is formed, and as the support surface is formed, a flat and thick rubber ring is integrally provided to more closely adhere to each other. (Utility Model Registration No. 0364072) Pipe joint in a plastic pipe having double pipes on the inner surface of the water pipe. It is to unite as.

Description

(실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 ㄱ자 PVC엘보{omitted}(Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on metal inner surface of water pipe

본 고안은 지지면이 구비한 자 PVC엘보 양방향 내면 암나사 끝 지점에 형성된 지지면에 납작하고 두께를 갖는 고무 링이 각각 삽입 구비한 상태에서 매설 또는 노출되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사에 각각 끼워서 조임으로 접속되는 동시에 고무 링에 밀착되므로, 이와 같이 관이음으로 결합된 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관에 일체하게 된다.The present invention is provided with a support surface Now, both sides of the plastic pipe having double pipes on the inner surface of the water pipe which are embedded or exposed in the state of having a flat and thick rubber ring inserted into the supporting surface formed at the end of the internal thread of the bi-directional internal thread of PVC elbow. Since each of the male threads formed at the end is tightened and connected to the rubber ring at the same time, the rubber tube is integrated into a plastic pipe having a double pipe on the inner surface of the water pipe metal (Utility Model Registration No. 0364072).

본 고안은 지지면이 구비한 자 PVC엘보에 관한 것으로서, 더욱 상세하게는 이른바 식수로 쓰는 깨끗한 수돗물이 가정에 공급하는 전용 관으로서 매설 또는 노출되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 종래 금속의 수도관의 호칭치수와 다르며, 이에 따라 관이음쇠로 사용되고 있는 종래의 자 금속엘보와 자 PVC엘보의 크기도 서로 맞지 않고, 그리고 특히 자 금속엘보와 자 PVC엘보의 내면에 납작하고 두께를 갖는 고무 링을 삽입 지지할 수 있도록 한 지지면이 형성되어 있지 않기 때문에 이를 해결하기 위한 관이음쇠로 갖는 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사가 각각 형성되고, 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사가 형성된 끝 지점에 관이음으로 각각 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착 지지하도록 같은 넓이로 지지면을 각각 형성하고, 상기 지지면에 납작하고 두께를 갖는 고무 링을 각각 삽입 구비하여 관이음으로 결합되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 완벽하게 밀착하기 위한 것으로, (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보에 관한 것이다.The present invention is provided with a support surface Now, it relates to PVC elbow, and more particularly, formed at both ends of a plastic pipe having double pipes on the inner surface of a water pipe (utility model registration No. 0364072), which is buried or exposed as a dedicated pipe for home supply of clean tap water for drinking water. The thickness of the external thread is different from the nominal size of the water pipe of the conventional metal, and accordingly, the conventional Metal elbow and Now the sizes of PVC elbows don't match, and especially Metal elbow and Since there is no support surface for inserting and supporting a flat, thick rubber ring on the inner surface of the PVC elbow, the support surface with pipe fittings to solve this problem is provided. Now female threads are formed on both sides of the PVC elbow bidirectionally, Now, both sides of PVC male elbows are joined to the ends of female threads on both sides of the inner wall (utility model registration No. 0364072). The thickness of the external thread formed on both ends of the plastic pipe having double pipes on the inner surface of the water pipe metal, each of which forms a surface, and is provided with a rubber ring having a flat and thick thickness on the support surface, respectively, and joined by a pipe joint (Utility Model Registration No. 0364072). (Furniture Model Registration No. 0364072) The support surface is provided according to the thickness of the plastic pipe having double pipe on the inner surface of the water pipe. Now about PVC elbow.

지금까지 식수로 쓰는 깨끗한 수돗물이 가정에 공급하는 전용 관으로 매설 또는 노출된 금속의 수도관에 관이음쇠로 갖는 자 금속엘보와 자 PVC엘보가 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관에 서로 맞지 않고, 그리고 특히 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착이 이뤄지도록 같은 넓이의 지지면이 형성되어 있지 않고, 따라서 납작하고 두께를 갖는 고무 링을 삽입 지지할 수 없기 때문에 문제점이다.Until now, clean tap water used for drinking water is a special pipe for home supply. Metal elbow and (2) PVC elbows do not fit into plastic pipes having a double pipe on the inner surface of the water pipe metal (utility model registration 0364072), and in particular (utility model registration 0364072) male threads formed on both ends of the plastic pipe having double pipes on the inner surface of the water pipe metal. This is a problem because the support surface of the same width is not formed so that the thickness surface can be bonded, and therefore, a rubber ring having a flat and thickness cannot be inserted and supported.

본 고안은 상기와 같은 문제점을 해결하기 위한 것으로서, 본 고안은 지지면이 구비한 자 PVC엘보 양방향 내면에 형성된 암나사와; 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사가 형성된 끝 지점에 관이음으로 각각 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착 지지하도록 같은 넓이로 각각 형성된 지지면과; 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 암나사 끝 지점에 형성된 지지면에 관이음으로 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 완벽하게 밀착시킬 수 있도록 납작하고 두께를 갖는 고무 링이 일체 구비되면서, 삽입 접착된 것에 달성된다.The present invention is to solve the above problems, the present invention is provided with a support surface A female screw formed on both sides of the PVC elbow bidirectional; Provided with the support surface Now, both sides of the same width are attached to each side of the male thread formed on both ends of the plastic pipe having double pipes on the inner surface of the water pipe. A support surface formed; Provided with the support surface Now, both sides of PVC elbow are connected to the support surface formed at the end point of female thread on the inner side of PVC elbow (Utility Model Registration No. 0364072). A flat, thick rubber ring is integrally provided, which is achieved by insert bonding.

본 고안에 따라 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면에 따라서 관이음으로 갖는 지지면이 구비한 자 PVC엘보 양방향 내면에 형성된 암나사 끝 지점에 지지면을 형성하고, 이에 따라 완벽하게 밀착시킬 수 있도록 납작하고 두께를 갖는 고무 링이 일체 구비된 것에 달성된다.According to the present invention (Utility Model Registration No. 0364072), the support surface having a pipe joint according to the thickness of the male screw formed at both ends of the plastic pipe having double pipes on the inner surface of the water pipe It is achieved by forming a support surface at the end of the female thread formed on the inner side of the PVC elbow bidirectional, and is provided with a rubber ring having a flat and thick so as to be in perfect contact.

이하, 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보의 구체적인 실시예를 첨부도면에 의거하여 상세하게 상술하면 다음과 같다.Hereinafter, (Utility Model Registration No. 0364072) according to the present invention is provided with a support surface according to the thickness of the plastic pipe having a double pipe in the metal inner surface of the water pipe Now, the specific examples of the PVC elbow will be described in detail with reference to the accompanying drawings.

도 1 은 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보의 지지면이 구비한 자 PVC엘보 일면 절개하여 내면에 형성된 지지면을 보여준 사시도의 도면으로서, 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1)가 각각 형성되고, 상기 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1)가 형성된 끝 지점에 관이음으로 각각 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착 지지하도록 같은 넓이로 지지면(1-2)을 형성하고, 상기 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1) 끝 지점에 형성된 지지면(1-2)에 관이음으로 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 완벽하게 밀착시킬 수 있도록 납작하고 두께를 갖는 고무 링(2)이 도시한 바와 같이 삽입 일체 구비되고,Figure 1 (Utility Model Registration No. 0364072) according to the present invention is provided with a support surface according to the thickness of the plastic pipe having a double pipe in the metal inner surface of the water pipe Now the supporting surface of PVC elbow This is a perspective view showing the support surface formed on the inner surface by cutting one side of the PVC elbow. The female elbow (1-1) is formed on both sides of the PVC elbow (1) in both directions, and the support surface is provided. Now, PVC elbow (1) Male thread (1-1) is formed on both sides of the pipe joints to each end of the joint (Utility Model Registration No. 0364072). The support surface 1-2 is formed in the same width | variety so that this adhesive support, and the said support surface is equipped with The PVC elbow (1) is a plastic pipe having a double pipe on the inner surface of the water pipe (Measurement Model Registration No. 0364072), which is connected to the support surface (1-2) formed at the end of the female screw (1-1) on both sides of the pipe. A rubber ring 2 having a flat and thick surface is provided with a single insert so that the male thread thickness surface formed at both ends can be perfectly in contact with each other.

상기와 같이 구성된 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면 넓이와 같도록 지지면(1-2)이 형성된 지지면이 구비한 자 PVC엘보(1)가 이루어지면서, 다음은 결합상태에 대해서 도 1을 (그림)참조하여 상세하게 설명한다.(Utility Model Registration No. 0364072) according to the present invention constituted as described above is provided with a support surface having a support surface (1-2) formed so as to have the same thickness of the outer surface of the male screw formed at both ends of the plastic pipe having a double pipe on the metal inner surface of the water pipe Now that the PVC elbow (1) is made, the following describes the bonding state in detail with reference to FIG.

지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1) 끝 지점에 형성된 지지면(1-2)에 납작하고 두께를 갖는 고무 링(2)을 각각 삽입 구비되며,With supporting surface Ruler PVC elbow (1) is provided with a rubber ring (2) having a flat and thick flat on the support surface (1-2) formed at the end of the female screw (1-1) on both inner surfaces,

상기 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1) 끝 지점에 형성된 지지면(1-2)에 고무 링(2)이 각각 삽입 구비된 상태에서 통상적으로 스패너(렌치)로 이용하여 식수로 쓰는 깨끗한 수돗물이 가정에 공급하는 전용 관으로서 매설 또는 노출되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관에 관이음으로 일치 결합하게 된다.Provided with the support surface The PVC elbow (1) is normally used as a spanner (wrench) in a state in which rubber rings (2) are inserted into supporting surfaces (1-2) formed at the end points of female threads (1-1) on both inner surfaces thereof. The clean tap water used to supply homes is a dedicated pipe that is buried or exposed (Utility Model Registration No. 0364072).

이상에서와 같이, 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보에 따른 지지면이 구비한 자 PVC엘보에 의한 작용과 효과를 상세하게 설명하면 다음과 같다.As described above, (Utility Model Registration No. 0364072) according to the present invention is provided with a support surface according to the thickness of the plastic pipe having a double pipe in the metal inner surface of the water pipe Now with supporting surface according to PVC elbow Now, the action and effect of PVC elbow will be described in detail.

도 1에서 도시한 바와 같이, 이른바 통상적인 관이음으로 갖는 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1) 끝 지점에 지지면(1-2)이 형성됨에 따라서 납작하고 두께를 갖는 고무 링(2)이 각각 삽입 구비된 상태에서 매설 또는 노출되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사에 각각 끼워서 스패너(렌치)로 조이는 동시에 지지면이 구비한 자 PVC엘보(1) 안쪽 지지면(1-2)에 접착된 고무 링(2)에 의해 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 일치 완벽하게 밀착하게 된다.As shown in Figure 1, the support surface having a so-called conventional pipe joint As the support surface (1-2) is formed at the end point of the female screw (1-1) on the inner side of the PVC elbow (1), the rubber ring (2) having a flat and thickness is embedded or exposed, respectively. (Utility Model Registration No. 0364072) The inner surface of the water pipe is fitted with a male screw formed at each end of a plastic pipe having double pipes, and is tightened with a spanner (wrench) and provided with a support surface. (2) The thickness of the male thread formed on both ends of the plastic pipe having double pipes on the inner surface of the water pipe by the rubber ring (2) bonded to the inner support surface (1-2) of the PVC elbow (1). It comes in close contact.

이상에서와 같이, 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보에 의하면, 통상적인 연결 관이음으로 갖는 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1)가 각각 형성되고, 상기 지지면이 구비한 자 PVC엘보(1) 양방향 내면에 암나사(1-1)가 형성된 끝 지점에 관이음으로 각각 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 접착 지지하도록 같은 넓이로 지지면(1-2)이 각각 형성되고, 상기 지지면(1-2)이 형성됨에 따라서 보다 완벽하게 밀착하도록 납작하고 두께를 갖는 고무 링(2)이 삽입 접착된 것이 가장 특징이다.As described above, (Utility Model Registration No. 0364072) according to the present invention is provided with a support surface according to the thickness of the plastic pipe having a double pipe in the metal inner surface of the water pipe Now, according to PVC elbow, the supporting surface with the conventional joint The female elbow (1-1) is formed on both sides of the PVC elbow (1) in both directions, and the support surface is provided. Now, PVC elbow (1) Male thread (1-1) is formed on both sides of the pipe joints to each end of the joint (Utility Model Registration No. 0364072). The support surfaces 1-2 are formed in the same width so as to support the adhesive support, and the rubber rings 2 having a flat and thick thickness are inserted and bonded to more closely adhere to each other as the support surfaces 1-2 are formed. Is the most characteristic.

상기와 같이, 통상적으로 식수로 쓰는 깨끗한 수돗물이 가정에 공급하는 전용 관으로서 매설 또는 노출되는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사에 지지면이 구비한 자 PVC엘보에 의해 양방향으로 이음 연결되는 동시에 지지면이 구비한 자 PVC엘보 양방향 내면에 내장된 고무 링에 의해서 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 완벽하게 밀착하는 효과를 얻게 된다.As described above, a support surface is provided on male threads formed at both ends of a plastic pipe having double pipes on a metal inner surface of a water pipe (utility model registration No. 0364072), which is buried or exposed as a dedicated pipe that is normally supplied with clean tap water used as drinking water. One Now the joint is connected in both directions by PVC elbow Now, the rubber ring embedded in both sides of the PVC elbow (Utility Model Registration No. 0364072) achieves the effect that the thickness of the male thread formed at both ends of the plastic pipe having double pipes on the inner surface of the water pipe is perfectly adhered to.

도 1 은 본 고안에 따른 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보의 지지면이 구비한 자 PVC엘보 일면 절개하여 내면에 형성된 지지면을 보여준 사시도.Figure 1 (Utility Model Registration No. 0364072) according to the present invention is provided with a support surface according to the thickness of the plastic pipe having a double pipe in the metal inner surface of the water pipe Now the supporting surface of PVC elbow Here is a perspective view showing the supporting surface formed on the inner surface of the PVC elbow incision on one side.

▣ 도면의 주요 부분에 대한 부호의 설명 ▣▣ Explanation of Symbols on Main Parts of Drawing

1..지지면이 구비한 자 PVC엘보, 1-1..암나사,1..Earth with ground PVC elbow, 1-1.

1-2..지지면, 2..고무 링,1-2..ground, 2..rubber ring,

Claims (1)

(실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보에 있어서,(Utility Model Registration No. 0364072) The supporting surface is provided according to the thickness of the plastic pipe having double pipe on the inner surface of the water pipe. Now for PVC elbow, 지지면이 구비한 자 PVC엘보와;With supporting surface Now with PVC elbow; 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 형성된 암나사와;Provided with the support surface A female screw formed on both sides of the PVC elbow bidirectional; 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 형성된 암나사 끝 지점에 납작하고 두께를 갖는 고무 링을 삽입 접착하기 위한 형성된 지지면과;Provided with the support surface A support surface formed for inserting and bonding a rubber ring having a flat and thick thickness to an end of a female screw formed on a bidirectional inner surface of a PVC elbow; 상기 지지면이 구비한 자 PVC엘보 양방향 내면에 형성된 지지면에 관이음으로 결합하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 양쪽 끝에 형성된 수나사 두께 면이 완벽하게 밀착하도록 납작하고 두께를 갖는 고무 링이 각각 삽입 구비된 것에 그 특징으로 하는 (실용신안등록제 0364072호)수도관 금속내면에 이중파이프로 갖는 플라스틱관의 두께 면에 따라 지지면이 구비한 자 PVC엘보.Provided with the support surface (PVC No. 0364072) Coupling the support surface formed on both sides of PVC elbow by pipe joint (Utility Model Registration No. 0364072) The flat and thick rubber so that the thickness of the male thread formed at both ends of the plastic pipe with double pipes on the metal inner surface (Utility Model Registration No. 0364072), characterized in that each ring is provided with a support surface according to the thickness of the plastic pipe having double pipes on the metal inner surface of the water pipe. PVC elbow.
KR20-2005-0017788U 2005-06-20 2005-06-20 (Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on inner surface of water pipe KR200399704Y1 (en)

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KR20-2005-0017788U KR200399704Y1 (en) 2005-06-20 2005-06-20 (Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on inner surface of water pipe

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KR20-2005-0017788U KR200399704Y1 (en) 2005-06-20 2005-06-20 (Utility Model Registration No. 0364072) A-shaped PVC elbow with supporting surface according to the thickness of plastic pipe having double pipe on inner surface of water pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102250497B1 (en) * 2020-12-31 2021-05-10 최병선 Elbow type Piping Connection for Pump Installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102250497B1 (en) * 2020-12-31 2021-05-10 최병선 Elbow type Piping Connection for Pump Installation

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