KR200165067Y1 - Pipe connector - Google Patents
Pipe connector Download PDFInfo
- Publication number
- KR200165067Y1 KR200165067Y1 KR2019990014656U KR19990014656U KR200165067Y1 KR 200165067 Y1 KR200165067 Y1 KR 200165067Y1 KR 2019990014656 U KR2019990014656 U KR 2019990014656U KR 19990014656 U KR19990014656 U KR 19990014656U KR 200165067 Y1 KR200165067 Y1 KR 200165067Y1
- Authority
- KR
- South Korea
- Prior art keywords
- pressing ring
- packing
- pressing
- pipes
- tightening nut
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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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
- 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
- F16L19/06—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/061—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends a pressure ring being arranged between the clamping ring and the threaded member or the connecting member
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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
- 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
- F16L19/06—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/07—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends adapted for use in socket or sleeve connections
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
본 고안은 옥내에 설치되는 수도물용 배관이나 난방용 온수배관 또는 가스배관에 사용되는 금속관 또는 복합관(알루미늄관의 내,외측에 합성수지가 피복된 관) 등을 연결하는 관연결구에 관한 것으로, 소켓본체와, 상기 소켓본체의 일측 연결부의 선단측에 삽입되는 패킹과, 상기 패킹과 접촉하도록 설치되는 압착링 및 상기 일측 연결부에 나사조립될 때 걸림턱으로 상기 압착링을 압착하는 조임너트로 구성되는 관연결구에 있어서, 상기 소켓본체의 일측 연결부의 내측에 형성된 대내경부에 삽입된 패킹과, 상기 조임너트의 걸림턱에 걸림되어 압착력을 부여받는 압착링과의 사이에 환형으로 된 보조압착링을 개재시켜 상기 조임너트의 나사조임작동시 압착링으로부터 패킹이 손상되는 것을 방지할 수 있도록 구성하여 관연결구에 연결관을 연결하였을 때 유체의 누설을 완벽하게 방지할 수 있도록 하는 것을 특징으로 하는 고안이다.The present invention relates to a pipe connector for connecting metal pipes or composite pipes (pipes coated with synthetic resin on the inside and outside of aluminum pipes) used for tap water pipes for heating, hot water pipes for heating, or gas pipes. The pipe connector includes a packing inserted into a distal end of the one side connecting portion of the socket body, a pressing ring installed to contact the packing, and a tightening nut for pressing the pressing ring with a locking jaw when the screw is assembled to the one connecting portion. In the interposed between the packing inserted into the inner diameter portion formed on the inner side of the connecting portion of the socket body, and the pressing ring that is applied to the pressing jaw of the tightening nut is applied to the pressing force of the annular through the annular auxiliary pressing ring Connect the pipe to the pipe connector by preventing the packing from being damaged from the crimping ring when tightening the tightening nut. That is designed to features that allow the leakage of the fluid can be completely prevented when.
Description
본 고안은 옥내에 설치되는 수도물용 배관이나 난방용 온수배관 또는 가스배관에 사용되는 금속관 또는 복합관(알루미늄관의 내,외측에 합성수지가 피복된 관) 등을 연결하는 관연결구에 관한 것이다.The present invention relates to a pipe connector for connecting metal pipes or composite pipes (pipes coated with synthetic resin on the inside and outside of aluminum pipes) used for tap water pipes for heating, hot water pipes for heating, or gas pipes installed indoors.
일반적으로 수도물용 배관, 난방용 온수배관, 가스배관 등을 연결하는 데에는 소켓본체와 조임너트로 구성되는 관연결구가 사용되고 있다.In general, a pipe connector composed of a socket main body and a fastening nut is used to connect a water pipe, a hot water pipe for heating, and a gas pipe.
종래 기술의 관연결구는 연결되는 금속관이나 복합관 등의 연결관을 연결할 때 유체의 누설을 방지하기 위하여 소켓본체와 조임너트 사이에 고무재질로 된 패킹과 상기 패킹을 압착시킴과 동시 연결관의 외주면을 압착하는 압착링을 사용하고 있으며, 상기 압착링은 압착작용이 원활하게 나타날 수 있도록 일측 절개된 것을 사용하고 있다.Prior art pipe joints are made of a rubber-like packing between the socket body and the fastening nut and the outer circumferential surface of the connector at the same time in order to prevent leakage of fluid when connecting the connection pipe such as metal pipe or composite pipe. A crimping ring is used to crimp, and the crimping ring is used to cut one side so that the crimping action can be smoothly shown.
그러나 상기와 같이 종래의 관연결구는 연결관을 연결하기 위하여 소켓본체의 일측 연결부에 조임너트를 나사조임하여 압착링을 압착시킬 때 상기 압착링이 조임너트의 나사조임시 함께 회전하면서 패킹을 압착하는 과정에서 압착링의 절개부가 패킹을 손상시키는 현상이 나타나 패킹에 제기능 즉, 수밀기능을 상실하게 되는 문제점이 발생된다.However, in the conventional pipe connector as described above, when the compression ring is pressed by screwing a tightening nut to one side connection portion of the socket body to connect the connecting pipe, the pressing ring rotates together when screwing the tightening nut to compress the packing. In the process, the cutting portion of the pressing ring damages the packing, and thus a problem occurs that the packing function loses its function, that is, the watertight function.
본 고안은 상기와 같은 종래 기술에서 나타나는 문제점을 해결하기 위하여 안출한 것으로, 소켓본체의 일측 연결부 내측에 형성된 대내경부에 삽입되는 패킹과 조임너트의 걸림턱에 의해 압착력을 전달받아 상기 패킹을 압착함과 동시 조여들면서 연결관의 외주면을 압착하는 압착링과의 사이에 환형으로 된 보조압착링을 개재시키는 구성으로 상기 압착링으로 부터 패킹이 손상되는 것을 방지할 수 있도록 하는데 목적을 두고 고안한 것이다.The present invention has been made in order to solve the problems appearing in the prior art as described above, by receiving the pressing force by the locking jaw of the packing and the tightening nut is inserted into the inner diameter portion formed inside the one side connection portion of the socket body to compress the packing It is designed to prevent the damage from the packing from the pressing ring in the configuration of interposing the annular auxiliary pressing ring between the pressing ring and the pressing ring for pressing the outer peripheral surface of the connector at the same time.
본 고안은 상기와 같은 목적을 달성하기 위한 수단으로서,The present invention as a means for achieving the above object,
소켓본체와, 상기 소켓본체의 일측 연결부의 선단측에 삽입되는 패킹과, 상기 패킹과 접촉하도록 설치되는 압착링 및 상기 일측 연결부에 나사조립될 때 걸림턱으로 상기 압착링을 압착하는 조임너트로 구성되는 관연결구에 있어서,It consists of a socket body, a packing inserted into the front end side of the one connecting portion of the socket body, a pressing ring installed to contact the packing and a tightening nut for pressing the pressing ring with a locking jaw when screwed to the one connecting portion. In the end connection,
상기 소켓본체의 일측 연결부의 내측에 형성된 대내경부에 삽입된 패킹과, 상기 조임너트의 걸림턱에 걸림되어 압착력을 부여받는 압착링과의 사이에 환형으로 된 보조압착링을 개재시켜 상기 조임너트의 나사조임작동시 압착링으로부터 패킹이 손상되는 것을 방지할 수 있도록 구성하여서 된 것을 특징으로 하는 것이며,Of the tightening nut through an auxiliary auxiliary ring formed between the packing inserted into the inner diameter portion formed inside the connection part of the socket body and the pressing ring that is applied to the locking jaw of the tightening nut to receive the pressing force. It is characterized in that it is configured to prevent damage to the packing from the pressing ring during screw tightening operation,
또한 상기 보조압착링의 일면이나 양면의 내·외측 주연부에 내·외측 원형돌기를 형성한 것을 특징으로 하는 것이다.In addition, it characterized in that the inner and outer circular protrusions formed on the inner and outer peripheral portions of one side or both sides of the auxiliary pressing ring.
도 1은 본 고안의 관연결구의 분리상태 단면도.1 is a cross-sectional view of an isolated state of the connector of the present invention.
도 2 및 도 3은 본 고안의 작동상태 단면도.2 and 3 is a cross-sectional view of the operating state of the present invention.
도 4는 본 고안의 다른 실시예의 단면도.4 is a cross-sectional view of another embodiment of the present invention.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
1 : 소켓본체 2 : 연결관1: socket body 2: connector
3 : 패킹 4 : 보조압착링3: packing 4: auxiliary pressing ring
5 : 압착링 6 : 조임너트5: crimping ring 6: tightening nut
11,12 : 양측 연결부 13 : 대내경부11,12: both sides connecting portion 13: internal diameter
14 : 소내경부 15 : 단턱14: small internal diameter 15: step
41,42 : 원형돌기41,42: Circular protrusion
본 고안의 실시예를 첨부한 도면에 따라서 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 고안의 관연결구의 분리상태 단면도이며, 도 2 및 도 3은 본 고안의 작동상태 단면도이고, 도 4는 본 고안의 다른 실시예의 단면도를 도시한 것으로,1 is a cross-sectional view of the disconnected state of the present invention, Figures 2 and 3 is a cross-sectional view of the operating state of the present invention, Figure 4 is a cross-sectional view of another embodiment of the present invention,
도면부호 1은 소켓본체를 나타내는 것으로, 상기 소켓본체(1)의 양측에는 나사가 있는 연결부(11)(12)가 형성되어 있다.Reference numeral 1 denotes a socket body, and screwed connection portions 11 and 12 are formed on both sides of the socket body 1.
상기 양측의 연결부(11)(12) 중 일측 연결부(11)의 내주면에는 내경이 큰 대내경부(13)와 내경이 작은 소내경부(14)가 형성되어 있으며, 상기 소내경부(14)의 안쪽에는 연결관(2)의 삽입단이 밀착되는 단턱(15)이 형성되어 있다.The inner circumferential surface of one side connecting portion 11 of the connecting portions 11 and 12 on both sides is formed with a large inner diameter portion 13 having a large inner diameter and a small inner diameter portion 14 having a small inner diameter, and inside the small inner diameter portion 14. Steps 15 are formed in which the insertion end of the connecting pipe 2 is in close contact.
상기 연결관(2)은 동이나 스테인레스 스틸 재질의 금속관이나 또는 알루미늄관의 내,외측에 합성수지층이 피복된 복합관으로 구성되며, 또한 외경은 상기한 소내경부(14)와 일치하거나 미세한 차이로 작은 외경을 가지도록 구성되어 있다.The connecting pipe (2) is composed of a metal pipe made of copper or stainless steel, or a composite pipe coated with a synthetic resin layer on the inside and the outside of the aluminum pipe, and the outer diameter is smaller or smaller than the small diameter portion 14 described above. It is configured to have an outer diameter.
상기 일측 연결부(11)의 대내경부(13)는 패킹(3)의 삽입을 허용할 수 있도록 큰 지름으로 형성되어 있으며, 또한 상기한 패킹(3)의 내경은 상기 소내경부(14)의 지름과 일치하거나 조금 크게 형성되는데, 이는 연결관(2)을 소내경부(14)에 삽입할 때 지장이 초래되지 않도록 하기 위함이다.The large diameter portion 13 of the one side connection portion 11 is formed to a large diameter to allow the insertion of the packing (3), and the inner diameter of the packing (3) is the diameter of the small diameter portion (14) The coincidence or slightly larger is formed so as not to cause trouble when the connecting pipe 2 is inserted into the small diameter portion 14.
상기 패킹(3)은 선단은 경사면으로 형성하여 대내경부(13)로의 삽입이 용이하도록 함과 동시 대내경부(13)와 소내경부(14)를 연결하는 경사면(16)에 밀착되도록 구성하며, 또한 상기 패킹(3)의 선단과 후단까지의 폭은 대내경부(13)에 삽입하였을시 그 후단이 상기한 대내경부(13)에 완전히 삽입된 상태가 되게 하여 보조압착링(4)을 대내경부(13)에 삽입된 상태로 설치할 수 있도록 구성한다.The packing 3 is formed to be inclined to the front end to facilitate insertion into the large diameter portion 13 and to be in close contact with the inclined surface 16 connecting the large diameter portion 13 and the small diameter portion 14, and The width between the front end and the rear end of the packing 3 is inserted into the inner diameter portion 13 so that the rear end is completely inserted into the inner diameter portion 13 so that the auxiliary pressing ring 4 is replaced with the inner diameter portion ( Configure it so that it can be installed while inserted in 13).
상기 보조압착링(4)은 단단한 재질이면 모두 만족한 것이며, 바람직하게는 제작이 용이한 합성수지로 하여 두께는 비교적 얇고 내경은 연결관(2)을 수용할 수 있으며, 그 외경은 상기 대내경부(13)의 내경에 삽입될 수 있도록 구성되어 있다.The auxiliary pressing ring 4 is satisfactory as long as it is a hard material, preferably made of a synthetic resin that is easy to manufacture, the thickness is relatively thin and the inner diameter can accommodate the connecting pipe (2), the outer diameter of the large inner diameter ( It is configured to be inserted into the inner diameter of 13).
또한 상기 보조압착링(4)의 일면 또는 양면의 내·외측 주연부에는 끝이 뾰족한 원형돌기(41)(42)가 돌출되어 있는데, 상기 원형돌기들 중 패킹(3)과 접촉하는 일면에 돌출된 원형돌기는 패킹(3)을 압착할 때 그 후단의 내,외측 주연부를 손상시키지 않고 압착할 수 있도록 하는 작용을 하는 것이며, 반대측 면의 원형돌기(41)(42)는 압착링(5)이 안정된 상태로 접촉하여 보조압착링(4)을 압착할 수 있도록 하는 작용을 한다.In addition, the inner and outer circumferential portions of one side or both sides of the auxiliary pressing ring 4 protrude protruding circular protrusions 41 and 42, protruding from one surface of the circular protrusions in contact with the packing 3. The circular projections are used to compress the packing 3 without damaging the inner and outer peripheral portions of the rear end thereof. The circular projections 41 and 42 of the opposite side are provided by the pressing ring 5. It serves to press the auxiliary pressing ring (4) by contacting in a stable state.
상기 압착링(5)은 일측이 절개된 절개부(51)와 내면에는 압착돌기(52)가 형성되어 있으며, 또한 조임너트(6)의 걸림턱(61)에 밀착될 수 있도록 경사면(53)이 형성되어 있다.The pressing ring 5 is formed with a cutting protrusion 51 and an inner surface of which a cutout portion 51 is cut at one side, and an inclined surface 53 to be in close contact with the locking jaw 61 of the tightening nut 6. Is formed.
이와 같이 구성된 본 고안의 작용을 설명한다.The operation of the present invention configured as described above will be described.
상기 소켓본체(1)의 일측 연결부(11)의 대내경부(13)속에 패킹(3)과 보조압착링(4)을 차례로 삽입 설치하고 또 상기 대내경부(13) 선단측에 압착링(5)을 위치시킨 상태에서 상기 조임너트(6)를 일측 연결부(11)의 나사에 2∼3 리이드 정도 가조립한 다음 연결관(2)을 삽입하게 되면 상기 연결관(2)의 삽입단은 소내경부(14)에 삽입되면서 단턱(15)에 밀착되는 것이다.(도 2 참조)The packing 3 and the auxiliary pressing ring 4 are inserted into the inner diameter portion 13 of the one-side connecting portion 11 of the socket body 1 in turn, and the pressing ring 5 is disposed at the distal end of the inner diameter portion 13. When the tightening nut 6 is temporarily assembled to the screw of one side connecting portion 11 in the state of locating the lead nut 2 and then the connecting tube 2 is inserted, the insertion end of the connecting tube 2 is a small diameter part ( 14 is to be in close contact with the step (15) while being inserted (see Fig. 2).
상기와 같이 연결관(2)을 삽입한 다음에는 조임너트(6)를 나사조임하게 되면 걸림턱(61)이 압착링(5)을 압착하게 되므로 상기 압착링(5)은 대내경부(13)의 선단에 형성된 경사면(부호 생략)에서 미끄러지면서 대내경부(13)를 향해 조여들면서 상기 압착링(5)의 선단부가 대내경부(13)속으로 삽입되는데, 이때 상기 압착링(5)의 선단은 패킹(3)의 후단에 밀착되어 있는 보조압착링(4)을 압착하는 상태가 되는 한편, 상기 보조압착링(4)을 압착하는 압착링(5)이 조임너트(6)와 함께 회전하는 상태가 되더라도 보조압착링(4)은 회전하지 않고 압착링(5)의 압착작용에 따라 패킹(3)을 압착하는 상태가 된다.After inserting the connecting pipe (2) as described above, if the tightening nut (6) is screwed, the locking jaw 61 will compress the pressing ring (5), so that the pressing ring (5) is the inner diameter portion (13) The tip of the pressing ring 5 is inserted into the inner diameter portion 13 while sliding toward the inner diameter portion 13 while sliding on an inclined surface (not shown) formed at the front end of the pressing ring 5. While the auxiliary pressing ring 4 which is in close contact with the rear end of the packing 3 is pressed, the pressing ring 5 which presses the auxiliary pressing ring 4 rotates together with the tightening nut 6. Even if the auxiliary pressing ring 4 is not rotated in the state of pressing the packing 3 in accordance with the pressing action of the pressing ring (5).
또한 상기와 같이 보조압착링(4)의 내·외주연부에 형성된 원형돌기(41)(42)는 패킹(3)의 내·외주연단을 수용한 상태에서 압착작용을 하게 되므로 패킹(3)이 손상되는 일이 없게 되는 것이며, 또 상기한 보조압착링(4)의 양면에 원형돌기를 형성한 실시예의 경우에서는 압착링(5)과 접촉하는 원형돌기(41)(42)가 상기 압착링(5)의 선단면의 내·외측 주연단을 수용하게 되므로 압착링(5)이 보조압착링(4)을 정확하게 압착하게 되는 작용을 기대할 수 있게 되는 것이다.In addition, as described above, the circular protrusions 41 and 42 formed on the inner and outer circumferential portions of the auxiliary pressing ring 4 have a pressing action in a state in which the inner and outer circumferential edges of the packing 3 are accommodated. In the embodiment in which the circular protrusions are formed on both sides of the auxiliary pressing ring 4, the circular protrusions 41 and 42 contacting the pressing ring 5 are provided with the pressing ring ( Since the inner and outer peripheral edges of the front end surface of 5) are accommodated, the pressing ring 5 can be expected to accurately press the auxiliary pressing ring 4.
상기와 같은 본 고안에 의하면 소켓본체의 일측 연결부에 형성된 대내경부에 삽입되는 패킹과 조임너트의 걸림턱에 의하여 압착되면서 상기의 일측 연결부의 대내경부로 압입되는 압착링과의 사이에 원형으로 된 보조압착링을 개재시키는 수단으로 연결관을 연결하기 위하여 조임너트를 나사조임할 때 조여들면서 연결관의 외주면을 압착하는 상기 압착링이 패킹에 접촉하지 못하게 하므로서 패킹을 보호할 수 있을 뿐 아니라 연결관의 연결작업 후 패킹의 손상으로 인하여 유체가 누설되는 현상을 사전에 방지하는 효과를 기대할 수 있는 이점이 있는 실용적인 고안이다.According to the present invention as described above is a circular auxiliary between the packing is inserted into the inner diameter portion formed on one side connection portion of the socket body and the pressing ring pressed into the inner diameter portion of the one side connection portion while being pressed by the locking jaw of the tightening nut As a means of interposing the crimping ring, the crimping ring, which is tightened when the tightening nut is screwed to connect the connector, prevents the crimping ring from coming into contact with the packing and protects the packing. It is a practical design with the advantage of anticipating the effect of preventing the leakage of fluid due to the damage of the packing after the connection work in advance.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019990014656U KR200165067Y1 (en) | 1999-07-22 | 1999-07-22 | Pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019990014656U KR200165067Y1 (en) | 1999-07-22 | 1999-07-22 | Pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR200165067Y1 true KR200165067Y1 (en) | 2000-02-15 |
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ID=19581935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019990014656U Expired - Fee Related KR200165067Y1 (en) | 1999-07-22 | 1999-07-22 | Pipe connector |
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| Country | Link |
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| KR (1) | KR200165067Y1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030010129A (en) * | 2001-07-25 | 2003-02-05 | 박실상 | Combining device for pipe connector |
| KR100679287B1 (en) | 2006-02-03 | 2007-02-06 | 성우파이프 (주) | Joint pipe for connecting synthetic resin pipe |
| KR101399645B1 (en) | 2011-12-22 | 2014-05-27 | 김보섭 | Connecting construction for fitting water drain hose |
| KR101548111B1 (en) * | 2014-10-22 | 2015-08-27 | 주식회사 하이스텐 | Socket to connect pipe |
| KR101555964B1 (en) * | 2015-02-10 | 2015-09-25 | 주식회사 하이스텐 | Socket to connect pipe |
| WO2016064118A1 (en) * | 2014-10-22 | 2016-04-28 | 주식회사 하이스텐 | Pipe connection socket |
| KR101677158B1 (en) * | 2015-08-05 | 2016-11-17 | 이병열 | Pipe connecting device of a drain trap for a washhand stand |
-
1999
- 1999-07-22 KR KR2019990014656U patent/KR200165067Y1/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030010129A (en) * | 2001-07-25 | 2003-02-05 | 박실상 | Combining device for pipe connector |
| KR100679287B1 (en) | 2006-02-03 | 2007-02-06 | 성우파이프 (주) | Joint pipe for connecting synthetic resin pipe |
| KR101399645B1 (en) | 2011-12-22 | 2014-05-27 | 김보섭 | Connecting construction for fitting water drain hose |
| KR101548111B1 (en) * | 2014-10-22 | 2015-08-27 | 주식회사 하이스텐 | Socket to connect pipe |
| WO2016064118A1 (en) * | 2014-10-22 | 2016-04-28 | 주식회사 하이스텐 | Pipe connection socket |
| KR101555964B1 (en) * | 2015-02-10 | 2015-09-25 | 주식회사 하이스텐 | Socket to connect pipe |
| KR101677158B1 (en) * | 2015-08-05 | 2016-11-17 | 이병열 | Pipe connecting device of a drain trap for a washhand stand |
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