KR20020044731A - Pipe joint - Google Patents

Pipe joint Download PDF

Info

Publication number
KR20020044731A
KR20020044731A KR1020000073755A KR20000073755A KR20020044731A KR 20020044731 A KR20020044731 A KR 20020044731A KR 1020000073755 A KR1020000073755 A KR 1020000073755A KR 20000073755 A KR20000073755 A KR 20000073755A KR 20020044731 A KR20020044731 A KR 20020044731A
Authority
KR
South Korea
Prior art keywords
tube
rubber packing
washer
circumferential surface
pipe
Prior art date
Application number
KR1020000073755A
Other languages
Korean (ko)
Inventor
이기완
Original Assignee
이기완
진원개발 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이기완, 진원개발 주식회사 filed Critical 이기완
Priority to KR1020000073755A priority Critical patent/KR20020044731A/en
Priority to PCT/KR2001/002111 priority patent/WO2002046655A1/en
Priority to AU2002222726A priority patent/AU2002222726A1/en
Publication of KR20020044731A publication Critical patent/KR20020044731A/en

Links

Classifications

    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/08—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/103—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with more than one ring per pipe end being used

Abstract

PURPOSE: A pipe joint is provided to completely prevent fluid leakage and to recycle through decomposition by using a coupling washer for coupling pipe and a rubber packing for prevention of fluid leakage. CONSTITUTION: A pipe joint comprises a body(10) having an opposite connecting ends, and a fixing nut(15) having a protruding sill(15a) with its inner circumference. A threaded portion is formed on the connecting ends, and an inner slant face(13) is formed on an inner circumference of the connecting ends. The pipe joint includes a rubber packing(16), a fixing washer(18), and an auxiliary washer(19). The rubber packing has an outer slant face(16a) sliding along the inner slant face. The fixing washer has a plurality of slant pieces and grooves for preventing disassembling of the pipe. The auxiliary washer is positioned between the rubber packing and the fixing washer so as to separate the rubber packing and to be inserted into the pipe as to support the slant pieces.

Description

관이음쇠{Pipe joint}Pipe joint

본 발명은 관이음쇠에 관한 것으로, 보다 상세하게는 관연결시 고정와셔를 이용하여 관을 단단히 결속하고, 고무패킹을 이용하여 유체의 누출을 완벽히 방지할 수 있으며, 분해하여 재사용이 가능한 관이음쇠에 관한 것이다.The present invention relates to a pipe fitting, and more particularly, to securely bind the pipe by using a fixing washer when connecting the pipe, and to prevent the leakage of fluid completely by using rubber packing, to disassemble and reuse the pipe fitting It is about.

일반적으로, 관과 관을 연결하는 관이음쇠는 관내를 흐르는 유체가 외부로 누설되지 않으면서 관과 관 사이를 자연스럽게 흐르도록 하기 위하여 설치되는 연결장치이다.In general, a pipe fitting connecting a pipe to a pipe is a connection device installed to allow the fluid flowing in the pipe to flow naturally between the pipe without leaking to the outside.

이때, 종래의 관이음쇠는 도 1에 도시된 바와 같이 몸체(1)에 삽입되는 관(3,4)의 선단부 외주면에 원주방향으로 압착홈(4a)이 형성되고, 고정너트(2)를 몸체(1)측으로 전진되도록 돌리면 압착링(6)이 고정링(5)측으로 전진되면서 압착홈(4a)에 함몰되어 관(3,4)을 고정시키게 된다.At this time, the conventional pipe fitting is formed with a pressing groove (4a) in the circumferential direction on the outer peripheral surface of the distal end of the pipe (3, 4) is inserted into the body 1, as shown in Figure 1, the fixing nut (2) When turned to the forward (1) side, the pressing ring (6) is advanced to the fixed ring (5) side is recessed in the pressing groove (4a) to fix the pipe (3,4).

여기서, 고정너트(2)의 경사내주면에 의해 압착되어 압착홈(4a)에 함몰되는 압착링(6)은 오므러들면서 그 형상이 고정적으로 변하게 된다.Here, the pressing ring 6 which is pressed by the inclined inner peripheral surface of the fixing nut 2 and is recessed in the pressing groove 4a is retracted while its shape is fixedly changed.

이와 같은 종래의 관이음쇠는 관(3,4)을 단단히 연결할 수 있다는 장점을 지니고 있으나, 유체의 누출방지에 문제가 있고, 관 연결 시 한쪽 관(4)에 별도의 압착홈(4a)을 가공하는 등의 번거로운 공정이 추가된다.This conventional pipe fitting has the advantage of being able to connect the pipe (3,4) firmly, but there is a problem in preventing the leakage of fluid, and when connecting the pipe to process a separate pressing groove (4a) in one pipe (4) The cumbersome process is added.

또한, 종래의 관이음쇠는 재사용을 위한 분해시 압착링(6)이 압착홈(4a)에 오므라들면서 압착되어 있기 때문에 관(4)의 경우 압착홈의 형성된 선단부를 절단하여 재사용하게 된다.In addition, the conventional pipe fitting is to be reused by cutting the front end formed of the pressing groove in the case of the tube 4 because the pressing ring 6 is compressed and squeezed in the pressing groove (4a) for disassembly for reuse.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서 본 발명의 목적은 관연결시 고정와셔를 이용하여 관을 단단히 결속하고, 고무패킹을 이용하여 유체의 누출을 완벽히 방지할 수 있으며, 분해하여 재사용이 가능한 관이음쇠를 제공하는데 있다.The present invention has been made to solve the above problems as an object of the present invention is to tightly bind the pipe by using a fixed washer when connecting the pipe, it can completely prevent the leakage of fluid using the rubber packing, To provide reusable fittings.

도 1은 종래의 관이음쇠를 나타내는 단면도이고,1 is a cross-sectional view showing a conventional pipe fitting,

도 2는 본 발명에 따른 관이음쇠를 나타내는 분해사시도이고,2 is an exploded perspective view showing a fitting according to the present invention,

도 3은 본 발명에 따른 고무패킹을 나타내는 평면도이고,3 is a plan view showing a rubber packing according to the present invention,

도 4는 본 발명에 따른 고무패킹을 나타내는 단면도이고,4 is a cross-sectional view showing a rubber packing according to the present invention,

도 5는 본 발명에 따른 고정와셔를 나타내는 평면도이고,5 is a plan view showing a fixing washer according to the present invention,

도 6은 본 발명에 따른 고정와셔를 나타내는 정면도이고,6 is a front view showing a fixing washer according to the present invention,

도 7a 내지 도 7b는 본 발명에 따른 관이음쇠의 결합되는 과정을 나타내는 결합단면도이다.7a to 7b is a cross-sectional view showing a coupling process of the fitting according to the invention.

* 도면의 주요 부분에 대한 부호 설명 *Explanation of symbols on the main parts of the drawings

10 : 본체 11 : 연결단10: main body 11: connection end

12 : 나사부 13 : 내측경사면12: threaded portion 13: inner inclined surface

14 : 내경 15 : 고정너트14: inner diameter 15: fixing nut

15a : 단턱 16 : 고무패킹15a: step 16: rubber packing

16a : 외측경사면 17 : 걸림돌기16a: outer inclined surface 17: locking projection

18 : 고정와셔 18a : 하향경사편18: fixed washer 18a: downward slope

18b : 홈 19 : 보조와셔18b: groove 19: auxiliary washer

30 : 관30: tube

상기와 같은 목적을 달성하기 위하여 본 발명은 양측 연결단에 나사부가 형성되고, 관을 삽입하는 상기 양측 연결단 내주면에 형성된 내경으로 갈수록 점차로 작은 직경으로 되는 내측경사면이 형성되는 본체와, 상기 관에 끼워지면서 상기 본체의 나사부에 결합되고, 내주면 일측에 단턱이 형성되는 고정너트와, 상기 관에 끼워지면서 외주면 일측에 상기 내측경사면을 따라 슬라이딩되는 외측경사면이 형성되고, 내주면에 규칙적으로 배열된 다수의 하향경사진 걸림돌기가 형성되는 고무패킹과, 상기 관에 끼워지면서 내주면에 다수의 하향경사편과 홈이 규칙적으로 배열 형성되는 고정와셔와, 상기 고무패킹과 고정와셔 사이에 위치하도록 상기 관에 끼워지는 보조와셔로 구성되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a main body and a tube having a threaded portion formed at both ends of the connection, and an inner inclined surface having an increasingly smaller diameter toward an inner diameter formed at the inner circumferential surfaces of the both connection ends into which the tube is inserted. A fitting nut coupled to the threaded portion of the main body while being fitted, and having a stepped nut formed on one side of the inner circumferential surface, and an outer sloping surface formed on the outer circumferential surface and sliding along the inner sloping surface on one side of the outer circumferential surface, are regularly arranged on the inner circumferential surface. A rubber packing in which a downwardly inclined locking projection is formed, a fixed washer in which a plurality of downwardly inclined pieces and grooves are regularly arranged on the inner circumferential surface while being fitted into the tube, and fitted into the tube so as to be located between the rubber packing and the fixed washer; It is characterized by consisting of an auxiliary washer.

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 2는 본 발명에 따른 관이음쇠를 나타내는 분해사시도이고, 도 3은 본 발명에 따른 고무패킹을 나타내는 평면도이고, 도 4는 본 발명에 따른 고무패킹을 나타내는 단면도이고, 도 5는 본 발명에 따른 고정와셔를 나타내는 평면도이고, 도 6은 본 발명에 따른 고정와셔를 나타내는 정면도이다.Figure 2 is an exploded perspective view showing a fitting according to the present invention, Figure 3 is a plan view showing a rubber packing according to the present invention, Figure 4 is a cross-sectional view showing a rubber packing according to the present invention, Figure 5 is according to the present invention 6 is a plan view illustrating the fixing washer, and FIG. 6 is a front view illustrating the fixing washer according to the present invention.

여기에 도시된 바와 같이, 본 발명에 따른 관이음쇠의 본체(10)에는 양측 연결단(11)에 고정너트(15)와 나합하는 나사부(12)가 형성되어 있고, 그 내주면 선단부에 내경(14)으로 갈수록 점차로 작은 직경으로 되는 내측경사면(13)이 형성되어 있다.As shown here, the main body 10 of the pipe fitting according to the present invention is formed with a screw portion 12 to be screwed with the fixing nut 15 at both connecting ends 11, the inner diameter 14 at its inner peripheral surface tip end portion 14 ), The inner side inclined surface 13 which becomes gradually smaller diameter is formed.

그리고, 외주면 일측에 외측경사면(16a)이 형성되는 고무패킹(16)은 관(30)의 외주면에 끼워지면서 상기 본체(10)와 나합하는 상기 고정너트(15)에 밀려서 상기 내측경사면(13)과 관(30)의 외주면이 형성하는 틈사이로 밀려들어가 유체의 누출을 완벽하게 방지하게 된다.In addition, the rubber packing 16 having the outer sloping surface 16a formed on one side of the outer circumferential surface is pushed by the fixing nut 15 to be screwed with the main body 10 while being fitted to the outer circumferential surface of the pipe 30 to the inner inclined surface 13. It is pushed through the gap formed by the outer circumferential surface of the tube 30 and the fluid is completely prevented from leaking.

또한, 상기 고무패킹(16)의 내주면에는 상기 관(30)이 결합되는 방향으로 갈수록 단면적이 넓어지는 하향경사진 다수의 걸림돌기(17)가 형성되어 상기 관(30)의 결합시 상기 관(30)의 외주면을 더욱 강하게 압착하게 된다.In addition, the inner circumferential surface of the rubber packing 16 is formed with a plurality of downwardly inclined locking projections 17 having a wider cross-sectional area in the direction in which the tube 30 is coupled to the tube 30 when the tube 30 is coupled to the tube ( The outer peripheral surface of 30) is pressed more strongly.

또한, 보조와셔(19)는 상기 고무패킹(16)과 고정와셔(18)에 위치하도록 상기관(30)의 외주연에 끼워지고, 상기 고정너트(15)의 잠금시 상기 본체(10)측으로 전진되면서 상기 고무패킹(16)을 고른 힘으로 밀어서 상기 외측경사면(16a)에 압입시키게 된다.In addition, the auxiliary washer 19 is fitted to the outer periphery of the tube 30 to be located in the rubber packing 16 and the fixing washer 18, when the fixing nut 15 is locked to the main body 10 side. While advancing, the rubber packing 16 is pushed to the outer inclined surface 16a by pushing with an even force.

또한, 상기 보조와셔(19)는 스텐레스재로 하는 것이 바람직하다.The auxiliary washer 19 is preferably made of stainless steel.

한편, 상기 고정와셔(18)의 내주면에 관(30)이 결합되는 방향으로 다수의 하향경사편(18a)과 홈(18b)이 규칙적으로 배열 형성되어 있어 파이프랜지나 스패너로 상기 고정너트(15)를 꽉 조이게 되면 다수의 하향경사편(18a)이 오므라들어 상기 관(30)의 외주면을 압착하여 내측을 향해 움푹 들어가는 변형부(20)를 만들면서 상기 관(30)의 자유회동을 방지할 수 있도록 단단히 고정 압착시키게 된다.Meanwhile, a plurality of downwardly inclined pieces 18a and grooves 18b are regularly arranged in the direction in which the pipe 30 is coupled to the inner circumferential surface of the fixing washer 18, so that the fixing nut 15 is formed with a pipe flange or spanner. When tightly tightening), a plurality of downwardly inclined pieces 18a are retracted to squeeze the outer circumferential surface of the tube 30 to prevent the free rotation of the tube 30 while making the deformable portion 20 recessed inward. It can be fixed and pressed firmly.

또한, 상기 고정와셔(18)는 스텐레스재로 하는 것이 바람직하다.In addition, the fixing washer 18 is preferably made of stainless steel.

그리고, 관(30)의 외주면에 끼워지면서 연결단(11)의 나사부(12)에 나합되는 고정너트(15)는 내주면 일측에 고정와셔(18)의 원주면과 밀착하는 단턱(15a)이 형성되어 있다.The fixing nut 15, which is fitted to the outer circumferential surface of the pipe 30 and is screwed into the threaded portion 12 of the connecting end 11, has a stepped portion 15a which is in close contact with the circumferential surface of the fixing washer 18 on one side of the inner circumferential surface thereof. It is.

상기와 같이 구성된 본 발명에 따른 관이음쇠의 작용을 설명한다.The operation of the fitting according to the present invention configured as described above will be described.

도 7a 내지 도 7b에 도시된 바와 같이, 먼저, 관(30)의 외주면에 고정너트(15), 고정와셔(18), 보조와셔(19), 고무패킹(16)을 차례로 끼운 다음, 관(30)을 상기 본체(10)의 양측 연결단(11) 내주면에 밀어 넣는다.As shown in FIGS. 7A to 7B, first, the fixing nut 15, the fixing washer 18, the auxiliary washer 19, and the rubber packing 16 are sequentially inserted into the outer circumferential surface of the tube 30, and then the tube ( 30) is pushed into the inner circumferential surface of the both ends (11) of the main body (10).

그리고, 상기 본체(10)의 양측 연결단(11) 나사부(12)에 고정너트(15)를 나합 체결하면 고정와셔(18), 보조와셔(19), 고무패킹(16)이 관(30)의 외주면을 따라 축방향으로 이동되면서 서로 압착된다.In addition, when the fixing nut 15 is screwed into the connection part 11 of the main body 10 and the threaded portion 12 of the main body 10, the fixing washer 18, the auxiliary washer 19, and the rubber packing 16 are connected to the tube 30. Are axially moved along the outer circumferential surface of each other and pressed together.

이때, 상기 양측 연결단(11)측으로 이동되는 고정너트(15)에 밀려서 고정와셔(18)의 원주면이 단턱(15a)에 의해 눌리고, 이로써, 상기 고정와셔(18)의 다수의 하향경사편(18a)이 오므라지면서 상기 관(30)의 외주면을 압착하여 내측을 향해 움푹 들어가는 변형부(20)를 만들면서 상기 관(30)의 자유회동을 방지할 수 있도록 단단히 고정 압착시키게 된다.At this time, the circumferential surface of the fixing washer 18 is pushed by the stepped portion 15a by being pushed by the fixing nut 15 which is moved to both connecting end 11 sides, whereby a plurality of downward inclined pieces of the fixing washer 18. As the 18a is retracted, the outer circumferential surface of the tube 30 is pressed to form a deformable portion 20 that is recessed inwardly, and is firmly compressed to prevent free rotation of the tube 30.

또한, 상기 고정와셔(18)가 관(30)과 함께 상기 양측 연결단(11)측으로 밀착되면서 상기 보조와셔(19)를 밀게되고, 동시에 상기 보조와셔(19)는 상기 고무패킹(16)을 밀착된 상태로 고른 힘으로 밀게 되어 상기 고무패킹(16)의 형상변형이나 파손을 방지하게 된다.In addition, the fixing washer 18 pushes the auxiliary washer 19 while being in close contact with the both ends of the connecting end 11 together with the pipe 30, and at the same time, the auxiliary washer 19 opens the rubber packing 16. It is pushed with an even force in a state of being in close contact to prevent the shape deformation or damage of the rubber packing (16).

여기서, 상기 고무패킹(16)은 상기 보조와셔(19)에 밀려서 그 외측경사면(16a)이 상기 양측 연결단(11)의 내측경사면(13)을 따라 슬라이딩되고, 동시에 그 내주면이 상기 관(30)의 외주면에 압착되면서 상기 관(30)의 외주면과 상기 본체(11)의 내경 사이로 누출되는 유체가 외부로 누출되지 않도록 완벽하게 차단하게 된다.Here, the rubber packing 16 is pushed by the auxiliary washer 19 so that the outer inclined surface 16a slides along the inner inclined surface 13 of the both connecting ends 11, and at the same time the inner circumferential surface thereof is the tube 30. The fluid leaked between the outer circumferential surface of the tube 30 and the inner diameter of the main body 11 is completely blocked so as to be compressed to the outer circumferential surface of the c).

따라서, 상기한 바와 같이 본 발명은 그 시공이 간단하면서 용이하고, 관의 연결시 유체의 누출방지와 관의 견고한 연결을 도모할 수 있고, 해체시 고무패킹, 보조와셔, 고정와셔 등이 그대로 재사용 가능하여 생산단가를 낮출 수 있는 동시에 생산성을 향상시킬 수 있는 이점이 있다.Therefore, the present invention as described above, the construction is simple and easy, it is possible to prevent the leakage of fluid when connecting the pipe and the connection of the pipe firmly, and when disassembling, the rubber packing, auxiliary washer, fixed washer, etc. are reused as it is. It is possible to lower the production cost and increase the productivity at the same time.

Claims (3)

관(30)을 삽입하는 양측의 연결단(11)에 나사부(12)가 형성되고, 상기 연결단(11)의 내주면에 내측경사면(13)이 형성된 본체(10)와, 상기 관(30)에 끼워지면서 상기 연결단(11)의 나사부(12)에 결합되고, 내주면 일측에 단턱(15a)이 형성되는 고정너트(15)로 이루어진 관이음쇠에 있어서,A main body 10 having a threaded portion 12 formed at both ends of the connection end 11 into which the tube 30 is inserted, and an inner inclined surface 13 formed at an inner circumferential surface of the connection end 11, and the tube 30. In the fitting made of a fixing nut 15 is coupled to the screw portion 12 of the connecting end 11, the stepped portion 15a is formed on one side of the inner peripheral surface, 상기 관(30)에 끼워지면서 외주면 일측에 상기 내측경사면(13)을 따라 슬라이딩되는 외측경사면(16a)이 형성되는 고무패킹(16)과,The rubber packing 16 is inserted into the tube 30, the outer inclined surface 16a sliding along the inner inclined surface 13 on one side of the outer circumferential surface, and 상기 관(30)에 끼워지면서 내주면에 관(30)이 결합되는 방향으로 다수의 하향경사편(18a)과 홈(18b)이 규칙적으로 배열 형성되어 상기 고정너트(15)의 조립시 상기 관(30)의 외주면에 상기 하향경사편(18a)이 오므라들어 상기 관(30)의 외주면이 압착 고정되어 상기 관(30)의 이탈을 방지하는 고정와셔(18)와,The plurality of downwardly inclined pieces 18a and the grooves 18b are regularly arranged in the direction in which the tube 30 is coupled to the inner circumferential surface while being fitted to the tube 30, so that the tube when the fixing nut 15 is assembled A fixing washer 18 for crimping the downward sloping piece 18a on the outer circumferential surface of the 30 to squeeze the outer circumferential surface of the tube 30 to prevent the tube 30 from being separated; 상기 고무패킹(16)과 고정와셔(18) 사이에 위치하여 상기 고무패킹(16)을 분리하고, 상기 하향경사편(18a)을 지지하도록 상기 관(30)에 끼워지는 보조와셔(19)로 구성되는 것을 특징으로 하는 관이음쇠.Located between the rubber packing 16 and the fixing washer 18 to remove the rubber packing 16, the auxiliary washer 19 is fitted to the tube 30 to support the downward inclined piece (18a). Fittings, characterized in that configured. 제 1항에 있어서, 상기 고무패킹(16)의 내주면에는 상기 관(30)이 결합되는 방향으로 갈수록 단면적이 넓어지는 하향경사진 다수의 걸림돌기(17)가 형성되어 있는 것을 특징으로 하는 관이음쇠.The pipe fitting of claim 1, wherein a plurality of downwardly inclined protrusions 17 are formed on the inner circumferential surface of the rubber packing 16, the cross-sectional area of which is widened toward the coupling direction of the pipe 30. . 제 1항에 있어서, 상기 고정와셔(18)는 스텐레스재로 하는 것을 특징으로 하는 관이음쇠.The fitting according to claim 1, wherein the fixing washer (18) is made of stainless steel.
KR1020000073755A 2000-12-06 2000-12-06 Pipe joint KR20020044731A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020000073755A KR20020044731A (en) 2000-12-06 2000-12-06 Pipe joint
PCT/KR2001/002111 WO2002046655A1 (en) 2000-12-06 2001-12-06 Pipe joint
AU2002222726A AU2002222726A1 (en) 2000-12-06 2001-12-06 Pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020000073755A KR20020044731A (en) 2000-12-06 2000-12-06 Pipe joint

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2020000034203U Division KR200223508Y1 (en) 2000-12-06 2000-12-06 Pipe joint

Publications (1)

Publication Number Publication Date
KR20020044731A true KR20020044731A (en) 2002-06-19

Family

ID=19702733

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000073755A KR20020044731A (en) 2000-12-06 2000-12-06 Pipe joint

Country Status (3)

Country Link
KR (1) KR20020044731A (en)
AU (1) AU2002222726A1 (en)
WO (1) WO2002046655A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004072534A1 (en) * 2003-02-17 2004-08-26 Byung Woon Kwak Pipe clamping device
WO2005024283A1 (en) * 2003-09-08 2005-03-17 Kanghoon Park Pipe connector
KR20200067557A (en) 2018-12-04 2020-06-12 김완구 A heterogeneous material pipe connector equipped a press ring having sharp end

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103244768A (en) * 2013-05-24 2013-08-14 海安县社民机械配件厂 Novel inserted tube head
TWI614439B (en) * 2016-05-10 2018-02-11 第一防蝕管業有限公司 Tube fastened connection structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02163588A (en) * 1988-12-14 1990-06-22 Hitachi Metals Ltd Packing type pipe joint
JPH1019176A (en) * 1996-07-05 1998-01-23 Kamita Sogo Setsubi Kk Pipe joint
KR19990018251A (en) * 1997-08-27 1999-03-15 최정윤 Pipe connection structure for metal pipe
KR200213672Y1 (en) * 2000-09-25 2001-02-15 김용근 Piping connection structure
KR200223508Y1 (en) * 2000-12-06 2001-05-15 진원개발주식회사 Pipe joint

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317114Y2 (en) * 1987-10-09 1991-04-11
DE3806404C2 (en) * 1988-02-29 1994-06-09 Raymond A Gmbh & Co Kg Detachable connector for semi-rigid pipes
JPH0835588A (en) * 1994-05-16 1996-02-06 Hitachi Metals Ltd Biting-in type pipe coupling
GB9512974D0 (en) * 1995-06-26 1995-08-30 Guest John D Improvements in or relating to tube coupling bodies
JP3165109B2 (en) * 1998-05-26 2001-05-14 株式会社オンダ製作所 Joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02163588A (en) * 1988-12-14 1990-06-22 Hitachi Metals Ltd Packing type pipe joint
JPH1019176A (en) * 1996-07-05 1998-01-23 Kamita Sogo Setsubi Kk Pipe joint
KR19990018251A (en) * 1997-08-27 1999-03-15 최정윤 Pipe connection structure for metal pipe
KR200213672Y1 (en) * 2000-09-25 2001-02-15 김용근 Piping connection structure
KR200223508Y1 (en) * 2000-12-06 2001-05-15 진원개발주식회사 Pipe joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004072534A1 (en) * 2003-02-17 2004-08-26 Byung Woon Kwak Pipe clamping device
WO2005024283A1 (en) * 2003-09-08 2005-03-17 Kanghoon Park Pipe connector
KR20200067557A (en) 2018-12-04 2020-06-12 김완구 A heterogeneous material pipe connector equipped a press ring having sharp end

Also Published As

Publication number Publication date
AU2002222726A1 (en) 2002-06-18
WO2002046655A1 (en) 2002-06-13

Similar Documents

Publication Publication Date Title
US7210708B2 (en) Tube joint
US6896299B1 (en) Resin pipe joint
KR101555964B1 (en) Socket to connect pipe
KR970011532A (en) Pipe joint
JP2008095765A (en) Hose joint
KR200474790Y1 (en) Pipe connector
KR20020044731A (en) Pipe joint
KR200223508Y1 (en) Pipe joint
KR102157369B1 (en) Apparatus for connecting pipe
KR100512370B1 (en) A pipe-coupling assembly of the pipe with the connector
KR100890377B1 (en) A pipe equipped separable flange and pipe-coupling assembly using thereof
EP1031493A1 (en) A steering device for vehicles
KR0134887Y1 (en) Pipe joint
KR100219404B1 (en) Hose connector
KR20170016309A (en) Top joint ring
KR100432656B1 (en) Pipe coupling device
KR100324470B1 (en) Pipe connector
KR20010018126A (en) Pipe connector
KR100926361B1 (en) Packing geometry of pipe coupling device
KR100535577B1 (en) Connecting structure for pipe
KR101578031B1 (en) Pipe connector for non welding constructing of pipes
KR200241509Y1 (en) The sealing-up ring of a pipe coupler
KR970002928Y1 (en) Pipe connection device
JP3616595B2 (en) Branch joint
JP2003247679A (en) Seal structure of pipe joint

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
WITB Written withdrawal of application