KR101035553B1 - A Joint for water supply pipes - Google Patents

A Joint for water supply pipes Download PDF

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Publication number
KR101035553B1
KR101035553B1 KR1020080118868A KR20080118868A KR101035553B1 KR 101035553 B1 KR101035553 B1 KR 101035553B1 KR 1020080118868 A KR1020080118868 A KR 1020080118868A KR 20080118868 A KR20080118868 A KR 20080118868A KR 101035553 B1 KR101035553 B1 KR 101035553B1
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KR
South Korea
Prior art keywords
pipe
compression ring
water supply
coupling
ring
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KR1020080118868A
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Korean (ko)
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KR20100060314A (en
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오양근
김정숙
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김정숙
오양근
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Priority to KR1020080118868A priority Critical patent/KR101035553B1/en
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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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joints With Sleeves (AREA)

Abstract

본 발명은 이탈방지 기능을 갖는 상수도관 이음장치에 관한 것으로, 상세하게는 상수도관과 상수도관을 이음관측에 연결 고정시키는 커플링 내부에 제1압착링과 제2압착링을 각각 형성한 후 상수도관 이음 작업시 상기한 제1압착링과 제2압착링이 하나의 체결부재에 의해 간편하게 체결 고정됨과 동시에 생산원가는 절감되고, 이음 작업이 완료된 후에는 제1압착링과 제2압착링의 내주면에 형성된 압착돌기에 의해 상수도관이 더욱 긴밀하게 연결 고정되어 외부로 이탈되지 않도록 한 것이다.The present invention relates to a water pipe fitting having a separation prevention function, and more specifically, after forming a first compression ring and a second compression ring in the coupling for coupling and fixing the water pipe and the water pipe to the joint pipe side, respectively. In the pipe joint work, the first compression ring and the second compression ring are simply fastened and fixed by one fastening member, and at the same time, the production cost is reduced, and after the joint work is completed, the inner circumferential surfaces of the first compression ring and the second compression ring are completed. The water supply pipe is more tightly connected and fixed by the crimping protrusion formed in the to prevent it from coming out.

커플링, 제1압착링, 제2압착링, 압착돌기, 상수도관 Coupling, first crimping ring, second crimping ring, crimping projection, water pipe

Description

이탈방지 기능을 갖는 상수도관 이음장치{A Joint for water supply pipes}Water joint pipe joint with anti-separation function {A Joint for water supply pipes}

본 발명은 이탈방지 기능을 갖는 상수도관 이음장치에 관한 것으로, 더욱 상세하게는 상수도관과 상수도관을 이음관측에 연결 고정시키는 커플링 내부에 제1압착링과 제2압착링을 각각 형성한 후 상수도관 이음 작업시 상기한 제1압착링과 제2압착링이 하나의 체결부재에 의해 간편하게 체결 고정됨과 동시에 생산원가는 절감되고, 이음 작업이 완료된 후에는 제1압착링과 제2압착링의 내주면에 형성된 압착돌기에 의해 상수도관이 더욱 긴밀하게 연결 고정되어 외부로 이탈되지 않도록 한 이탈방지 기능을 갖는 상수도관 이음장치에 관한 것이다.The present invention relates to a water pipe fitting having a separation prevention function, and more particularly, after the first compression ring and the second compression ring are respectively formed in the coupling coupling the water pipe and the water pipe to the joint pipe side. In the water pipe joint operation, the first compression ring and the second compression ring are easily fastened and fixed by one fastening member, and at the same time, the production cost is reduced, and after the completion of the joint operation, the first compression ring and the second compression ring The present invention relates to a water pipe fitting device having a separation prevention function to prevent the water pipe from being more closely connected and fixed to the water pipe by a compression protrusion formed on the inner circumferential surface thereof.

일반적으로 상수도관은 일정한 길이로 되는 다수의 강관을 필요로 하는 길이만큼 절단한 후, 상수도관 이음장치를 이용하여 길이 방향으로 연결 시공되고 있다.In general, after the water pipe is cut by a length that requires a number of steel pipes of a constant length, it is connected to the longitudinal direction using a water pipe fittings.

상기와 같은 종래 상수도관 이음장치는 상수도관과 상수도관이 양단부에 각각 삽입되는 이음관과, 상기 이음관의 양단부에 각각 위치하고 상수도관이 이음관에 삽입되면 체결수단을 통하여 이음관 단부에 체결 고정되는 커플링으로 구성되어 있으며, 상기한 커플링에는 상수도관 외주면에 밀착될 수 있도록 다수의 볼트가 형 성되어 있다.Conventional water pipe fittings, such as the water pipe and the water pipe is inserted into both ends of the joint pipe, respectively located at both ends of the joint pipe and the water pipe is inserted into the joint pipe is fastened to the end of the joint pipe through the fastening means The coupling is composed of a plurality of bolts are formed to be in close contact with the outer peripheral surface of the water pipe.

상기와 같은 종래 상수도관 이음장치를 이용하여 상수도관을 길이 방향으로 연결 시공할 수 있다는 이점은 있으나, 종래 상수도관 이음장치의 하나인 커플링에는 상수도관 외주면에 밀착되는 볼트가 일정한 간격을 두고 3-4개소 정도 형성되어 있다. 따라서 종래에는 부품수가 증가하여 생산원가가 상승되는 단점이 있을 뿐 아니라, 다수의 볼트를 일일이 체결해야 하기 때문에 작업성이 크게 저하되는 등의 제반 문제점이 발생되었다.There is an advantage that can be connected to the water supply pipe in the longitudinal direction by using the conventional water pipe fittings as described above, but the coupling that is one of the conventional water pipe fittings in close contact with the outer peripheral surface of the water pipe 3 at regular intervals -4 places are formed. Therefore, in the related art, not only the production cost increases due to the increase in the number of parts, but also various problems such as the workability is greatly reduced because a plurality of bolts must be fastened one by one.

본 발명은 상기와 같은 종래 제반 문제점을 감안하여 안출한 것으로, 상수도관과 상수도관을 이음관측에 연결 고정시키는 커플링 내부에 제1압착링과 제2압착링을 각각 형성한 후 상수도관 이음 작업시 상기한 제1압착링과 제2압착링이 하나의 체결부재에 의해 간편하게 체결 고정됨과 동시에 부품수를 줄여 생산원가가 절감될 수 있도록 한 이탈방지 기능을 갖는 상수도관 이음장치를 제공하는 데 있다.The present invention has been made in view of the above-mentioned conventional problems, and after forming the first compression ring and the second compression ring in the coupling for coupling and fixing the water pipe and the water pipe to the joint pipe side, respectively, after the water pipe joint operation The first compression ring and the second compression ring is provided with a water pipe fitting having a separation prevention function that can be easily fastened and fixed by one fastening member and at the same time reduce the number of parts to reduce the production cost. .

본 발명의 다른 목적은 이음 작업이 완료된 후에는 제1압착링과 제2압착링의 내주면에 형성된 압착돌기가 상수도관의 외주면에 파고 들면서 상수도관이 외부로 이탈되지 않도록 한 이탈방지 기능을 갖는 상수도관 이음장치를 제공하는 데 있다.Another object of the present invention after the completion of the joint operation is the water supply having a separation prevention function so that the water conduit is not released to the outside as the pressing projection formed on the inner peripheral surface of the first compression ring and the second compression ring digging into the outer peripheral surface of the water supply pipe. To provide a pipe joint.

상기와 같은 목적을 달성하기 위한 수단으로 본 발명은 커플링 내주면에 형성되는 안내홈과, 상기 안내홈에 각각 삽입된 상태에서 단부가 커플링측에 힌지 결합되고 타단은 외부로 돌출되어 체결편이 각각 형성되며 이음작업시 상수도관의 외주면을 압착하여 이음관에서 상수도관이 이탈되지 않게 하는 제1압착링 및 제2압착링과, 상기 체결편에 나사 결합되어 상기한 제1압착링 및 제2압착링이 상수도관에 밀착 고정되게 하는 체결부재로 형성되는 것과, As a means for achieving the above object, the present invention is a guide groove formed on the inner peripheral surface of the coupling, the end is hinged to the coupling side in the state inserted into the guide groove, respectively, the other end is protruded to the outside to form a fastening piece respectively And a first compression ring and a second compression ring which compress the outer circumferential surface of the water supply pipe during the joint operation so that the water supply pipe does not escape from the joint pipe, and the first compression ring and the second compression ring which are screwed to the fastening piece. Formed of a fastening member for tightly fixing to the water supply pipe,

상기 제1압착링 및 제2압착링 내주면에 하나 이상의 압착돌기가 돌출 형성되며, 이 압착돌기에 의해 제1압착링 및 제2압착링이 상수도관의 외주면을 파고 들면서 밀착되게 하는 것을 그 기술적 구성상의 기본 특징으로 한다.One or more compression protrusions protrude from the inner circumferential surfaces of the first compression ring and the second compression ring, and the compression protrusions allow the first compression ring and the second compression ring to be in close contact with each other by digging the outer circumferential surface of the water pipe. Basic features of the award.

이상에서 살펴본 바와 같이 본 발명에 의하면, 상수도관과 상수도관을 이음관측에 연결 고정시키는 커플링 내부에 별도의 제1압착링과 제2압착링이 각각 형성되어 있고, 상기 제1압착링과 제2압착링은 하나의 체결부재에 의해 체결 작업이 이루어진다.As described above, according to the present invention, a separate first compression ring and a second compression ring are respectively formed in a coupling for coupling and fixing the water supply pipe and the water supply pipe to the joint pipe side, and the first compression ring and the first compression ring 2 pressing ring is fastened by one fastening member.

따라서 상수도관 이음 작업시 상기 제1압착링과 제2압착링이 하나의 체결부재에 의해 체결 작업이 이루어지기 때문에 간편하게 체결될 뿐 아니라, 부품수가 절감되어 생산원가가 절감될 수 있는 것이다.Therefore, since the first compression ring and the second compression ring are fastened by one fastening member when the water pipe joint is connected, not only can be fastened, but also the number of parts can be reduced, thereby reducing the production cost.

또한, 이음 작업이 완료된 후에는 제1압착링과 제2압착링의 내주면에 압착돌기가 형성되어 있고, 이 압착돌기가 상수도관의 외주면에 파고 들기 때문에 상수도관이 외부로 쉽게 이탈되지 않는 등의 효과가 있는 것이다.In addition, after the completion of the joint operation, the pressing projections are formed on the inner circumferential surfaces of the first pressing ring and the second pressing ring, and since the pressing projections are dug into the outer circumferential surface of the water supply pipe, the water supply pipe does not easily escape to the outside. It works.

이하 본 발명의 바람직한 실시예를 첨부 도면을 참조하여 보다 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 상수도관 이음장치의 결합 사시도 이고, 도2는 본 발명에 따른 상수도관 이음장치의 일부 절결 사시도 이며, 도3은 본 발명에 따른 상수도관 이음장치의 분리 사시도 이며, 도4는 본 발명에 따른 상수도관 이음장치의 일부 절결 단면도 이며, 도5는 본 발명에 따른 상수도관 이음장치의 측 단면도이다.1 is a combined perspective view of a water pipe fitting according to the present invention, FIG. 2 is a partially cutaway perspective view of the water pipe fitting according to the present invention, and FIG. 3 is an exploded perspective view of the water pipe fitting according to the present invention. 4 is a partially cutaway cross-sectional view of the water pipe fitting according to the present invention, Figure 5 is a side cross-sectional view of the water pipe fitting according to the present invention.

본 발명의 상수도관 이음장치도 상수도관(100)과 상수도관(110)의 끝단이 내부 좌우측에 각각 삽입되는 이음관(200)과, 상기 상수도관(100)(110)의 끝단이 이음관(200)의 좌우측에 각각 삽입되면 체결수단(310)이 상기 이음관(200)과 커플링(300)을 나사결합하면서 상기 상수도관(100)(110)과 이음관(200)이 서로 이음되게 하는 기본적인 맥락은 종래와 같다.Water pipe fittings of the present invention is also the end of the water pipe (100) and the water pipe 110 is inserted into the left and right sides, respectively, the pipe 200, and the end of the water pipe (100, 110) is a joint pipe ( When inserted into the left and right sides of the 200, respectively, the fastening means 310 is screwed to the coupling pipe 200 and the coupling 300, so that the water supply pipe 100, 110 and the coupling pipe 200 are connected to each other The basic context is the same as before.

다만 본 발명은 더욱 효과적으로 상수도관 이음장치를 사용하기 위한 것으로 이는 도1 내지 도5에서와 같이 커플링(300) 내주면에 형성되는 안내홈(320)과, 상기 안내홈(320)에 각각 삽입된 상태에서 단부가 커플링(300)측에 힌지(330) 결합되고 타단은 외부로 돌출되어 체결편(410)이 각각 형성되며 이음작업시 상수도관(100)(110)의 외주면을 압착하여 이음관(200)에서 상수도관이 이탈되지 않게 하는 제1압착링(400) 및 제2압착링(400a)과, 상기 체결편(410)에 나사 결합되어 상기한 제1압착링(400) 및 제2압착링(400a)이 상수도관(100)(110)에 밀착 고정되게 하는 체결부재(420)가 기본적으로 구성된다.However, the present invention is to use the water pipe fittings more effectively, which is inserted into the guide groove 320 and the guide groove 320 formed on the inner circumferential surface of the coupling 300 as shown in Figs. In the state, the end is coupled to the hinge 330 on the coupling 300 side and the other end is protruded to the outside to form a fastening piece 410, respectively, during the joint operation by pressing the outer circumferential surface of the water supply pipe 100, 110 The first compression ring 400 and the second compression ring 400a to prevent the water pipe from being separated at 200 and the fastening ring 410 are screwed to the first compression ring 400 and the second. The pressing member 400 is basically configured to tightly fix the pressing ring 400a to the water supply pipe 100 and 110.

상기한 상수도관(100)(110)의 외주면은 녹이 스는 것을 방지하거나 또는 상수도관을 보호하기 위한 목적으로 대부분 코팅면이 형성되어 있다.The outer circumferential surface of the water pipe (100, 110) is mostly coated surface is formed for the purpose of preventing rust or to protect the water pipe.

제1압착링(400) 및 제2압착링(400a) 내주면에는 하나 이상의 압착돌기(500)가 돌출 형성되고, 이 압착돌기(500)에 의해 제1압착링(400) 및 제2압착링(400a)이 상수도관(100)(110)의 외주면을 파고 들면서 밀착되도록 구성된다.One or more pressing protrusions 500 protrude from the inner circumferential surfaces of the first pressing ring 400 and the second pressing ring 400a, and the first pressing ring 400 and the second pressing ring 400 are formed by the pressing protrusion 500. 400a) is configured to be in close contact while digging the outer circumferential surface of the water pipe (100, 110).

여기서, 압착돌기(500)는 도면에 도시되는 바와 같이 두개소가 형성되는 것으로 한정되는 것은 아니고, 압착돌기(500)가 이음관(100)(110) 외주면(코팅면)을 파고 들수 있다면 다수 형성할 수 있음을 밝혀둔다.Here, the pressing protrusion 500 is not limited to being formed in two places, as shown in the figure, if the pressing protrusion 500 can dig up the outer circumferential surface (coating surface) of the joint pipe 100, 110, multiple formation Make sure you can.

또한, 이음관(200)은 도면에서와 같이 직선 타입의 것으로 한정되는 것은 아니고 엘보우 타입, 티이 타입의 것도 안내홈(320), 제1압착링(400) 및 제2압착 링(400a)으로 이루어진 커플링(300)이 적용 사용된다. In addition, the fitting pipe 200 is not limited to the straight type as shown in the figure, but also the elbow type, the tie type made of a guide groove 320, the first pressing ring 400 and the second pressing ring 400a. Coupling 300 is used for the application.

이와 같이 구성된 본 발명을 사용하기 위해서는 먼저, 상수도관(100)(110), 이음관(200), 커플링(300)을 준비한 후, 준비된 커플링(300) 내주면에 형성된 안내홈(320)에 제1압착링(400)과 제2압착링(400a)을 삽입하고, 삽입된 후에는 제1압착링(400)과 제2압착링(400a)의 단부를 커플링(300)측에 힌지(330) 결합한다. 이때 체결편(410)은 커플링(300)에서 외부로 돌출되어 체결부재(420)와 결합될 수 있도록 되어 있다. In order to use the present invention configured as described above, first, the water supply pipe (100) (110), the fitting pipe (200), the coupling 300 is prepared, and then in the guide groove 320 formed on the inner peripheral surface of the prepared coupling 300 The first pressing ring 400 and the second pressing ring 400a are inserted, and after insertion, the ends of the first pressing ring 400 and the second pressing ring 400a are hinged to the coupling 300 side ( 330) to combine. At this time, the fastening piece 410 is protruded to the outside from the coupling 300 is to be coupled to the fastening member 420.

상기와 같은 상태에서 상수도관을 이음관에 연결하고자 할 때에는 이음관(200) 양단부에 커플링(300)을 위치시킨 다음 커플링(300)이 이음관(200)에서 분리되지 않도록 체결수단(310)을 이용하여 체결 고정시킨다. When the water supply pipe is connected to the joint pipe in the state as described above, the coupling 300 is positioned at both ends of the joint pipe 200, and then the coupling means 310 is not separated from the joint pipe 200. Fasten with).

이후 상수도관(100)(110)을 이음관(200) 양단부에 삽입하면 제1압착링(400)과 제2압착링(400a)은 상수도관(100)(110) 외주면에 위치하게 된다. 이때 외부로 돌출된 체결편(410)에 체결부재(420)를 체결하면 제1압착링(400)과 제2압착링(400a)은 상수도관(100)(110)에 밀착되고, 밀착되는 과정에서 압착돌기(500)가 상수도관 외주면을 파고 들면서 결합되기 때문에 상수도관(100)(110)은 쉽게 이음관(200)에서 이탈되지 않는 것이다. Then, when the water supply pipe 100, 110 is inserted into both ends of the fitting pipe 200, the first compression ring 400 and the second compression ring 400a is located on the outer circumferential surface of the water supply pipe 100, 110. At this time, when the fastening member 420 is fastened to the fastening piece 410 protruding to the outside, the first pressing ring 400 and the second pressing ring 400a are in close contact with the water supply pipe 100 and 110 and are in close contact with each other. In the pressing projection 500 is coupled to the ditches of the outer circumferential surface of the water supply pipe 100, 110 is not easily separated from the fitting pipe 200.

도1은 본 발명에 따른 상수도관 이음장치의 결합 사시도.1 is a perspective view of the coupling of the water pipe joint according to the present invention.

도2는 본 발명에 따른 상수도관 이음장치의 일부 절결 사시도.2 is a partially cutaway perspective view of the water pipe fitting according to the present invention;

도3은 본 발명에 따른 상수도관 이음장치의 분리 사시도.Figure 3 is an exploded perspective view of the water pipe fittings according to the present invention.

도4는 본 발명에 따른 상수도관 이음장치의 일부 절결 단면도.4 is a partially cutaway sectional view of the water pipe fitting according to the present invention;

도5는 본 발명에 따른 상수도관 이음장치의 측 단면도.Figure 5 is a side cross-sectional view of a water pipe fitting according to the present invention.

(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

100, 110 ; 상수도관 200 ; 이음관100, 110; Water pipe 200; Joint pipe

300 ; 커플링 310 ; 체결수단300; Coupling 310; Fastening means

320 ; 안내홈 330 ; 힌지320; Guide groove 330; Hinge

400 ; 제1압착링 400a ; 제2압착링400; First compression ring 400a; 2nd compression ring

410 ; 체결편 420 ; 체결부재410; Fastening piece 420; Fastening member

500 ; 압착돌기500; Crimping protrusion

Claims (3)

상수도관(100)과 상수도관(110)의 끝단이 내부 좌우측에 각각 삽입되는 이음관(200)과, 상기 상수도관(100)(110)의 끝단이 이음관(200)의 좌우측에 각각 삽입되면 체결수단(310)이 상기 이음관(200)과 커플링(300)을 나사결합하면서 상기 상수도관(100)(110)과 이음관(200)이 서로 이음되게 하는 상수도관 이음장치에 있어서,When the ends of the water supply pipe 100 and the water supply pipe 110 are respectively inserted into the left and right sides of the inner and the ends of the water supply pipe 100 and 110 are respectively inserted into the left and right sides of the joint pipe 200. In the water pipe fitting device that the water supply pipe 100, 110 and the fitting pipe 200 are connected to each other while the fastening means 310 is screwed to the coupling pipe 200 and the coupling 300, 상기 커플링(300) 내주면에 형성되는 안내홈(320)과, 상기 안내홈(320)에 각각 삽입된 상태에서 단부가 커플링(300)측에 힌지(330) 결합되고 타단은 외부로 돌출되어 체결편(410)이 각각 형성되며 이음작업시 상수도관(100)(110)의 외주면을 압착하여 이음관(200)에서 상수도관이 이탈되지 않게 하는 제1압착링(400) 및 제2압착링(400a)과, 상기 체결편(410)에 나사 결합되어 상기한 제1압착링(400) 및 제2압착링(400a)이 상수도관(100)(110)에 밀착 고정되게 하는 체결부재(420)로 구성되는 것을 특징으로 하는 이탈방지 기능을 갖는 상수도관 이음장치.Guide grooves 320 formed on the inner circumferential surface of the coupling 300 and end portions coupled to the coupling 300 side in the state inserted into the guide grooves 320, respectively, and the other end protrudes to the outside. Fastening pieces 410 are formed, respectively, the first compression ring 400 and the second compression ring to compress the outer circumferential surface of the water supply pipe 100, 110 during the joint operation so that the water pipe is not separated from the joint pipe 200 400a and a fastening member 420 which is screwed to the fastening piece 410 to fix the first compression ring 400 and the second compression ring 400a to the water supply pipe 100 and 110. Water pipe fittings having a separation prevention function characterized in that consisting of). 제1항에 있어서, 상기 제1압착링(400) 및 제2압착링(400a) 내주면에는 하나 이상의 압착돌기(500)가 돌출 형성되고, 이 압착돌기(500)에 의해 제1압착링(400) 및 제2압착링(400a)이 상수도관(100)(110)의 외주면을 파고 들면서 밀착되게 하는 것을 특징으로 하는 이탈방지 기능을 갖는 상수도관 이음장치.According to claim 1, At least one pressing projection 500 is formed on the inner peripheral surface of the first pressing ring 400 and the second pressing ring 400a, the first pressing ring 400 by the pressing projection (500). And the second compression ring (400a) is in close contact with each other by digging the outer peripheral surface of the water supply pipe (100, 110). 삭제delete
KR1020080118868A 2008-11-27 2008-11-27 A Joint for water supply pipes KR101035553B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200274144Y1 (en) 1999-01-15 2002-05-08 오양근 Connecting device of pipe
KR20020074144A (en) * 1999-10-01 2002-09-28 킴벌리-클라크 월드와이드, 인크. Absorbent Article with a Wicking Barrier And Central Rising Member
KR100751807B1 (en) 2004-04-29 2007-08-27 박환진 the connecting ring for mediocrity pipe has flange

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200274144Y1 (en) 1999-01-15 2002-05-08 오양근 Connecting device of pipe
KR20020074144A (en) * 1999-10-01 2002-09-28 킴벌리-클라크 월드와이드, 인크. Absorbent Article with a Wicking Barrier And Central Rising Member
KR100751807B1 (en) 2004-04-29 2007-08-27 박환진 the connecting ring for mediocrity pipe has flange

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