KR101049449B1 - Press wheel assembly for conneting pipes - Google Patents

Press wheel assembly for conneting pipes Download PDF

Info

Publication number
KR101049449B1
KR101049449B1 KR1020110011498A KR20110011498A KR101049449B1 KR 101049449 B1 KR101049449 B1 KR 101049449B1 KR 1020110011498 A KR1020110011498 A KR 1020110011498A KR 20110011498 A KR20110011498 A KR 20110011498A KR 101049449 B1 KR101049449 B1 KR 101049449B1
Authority
KR
South Korea
Prior art keywords
bolt
spike
movable member
inclined surface
hole
Prior art date
Application number
KR1020110011498A
Other languages
Korean (ko)
Inventor
허병욱
Original Assignee
현대주철산업 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 현대주철산업 주식회사 filed Critical 현대주철산업 주식회사
Priority to KR1020110011498A priority Critical patent/KR101049449B1/en
Application granted granted Critical
Publication of KR101049449B1 publication Critical patent/KR101049449B1/en

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints 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
    • F16L21/04Joints 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints 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
    • F16L21/025Rolling sealing rings

Abstract

PURPOSE: A pressure wheel for connecting pipes is provided to improve the watertightness of assembled pressure wheel by using a sealing ring. CONSTITUTION: A screw part(72) of a bolt(70) is inserted in an upper hole(32) and a lower hole(33). A screw part of a bolt is fixed and coupled in a screw-hole of a movable member. An inclined surface of a spike(50) adheres closely to the inclined surface of the movable member. A mounting projection is formed on the screw part bottom of the bolt. An elastic member(60) is inserted in the mounting projection.

Description

관 연결용 압륜 조립체{PRESS WHEEL ASSEMBLY FOR CONNETING PIPES}PRESS WHEEL ASSEMBLY FOR CONNETING PIPES

본 발명은 관로 내부에 이상 고압이 발생하여 소켓관에 연결된 연결관이 소켓관에서 밀려나거나, 계절의 온도변화에 의해 연결관이 수축 또는 이완될 때 수밀작용을 하는 밀폐링을 가압하는 힘이 상실되어 누수 현상이 발생하는 것을 방지할 수 있는 관 연결용 압륜 조립체에 관한 것으로서, 보다 상세하게는 조인트 볼트 및 너트를 조이면, 볼트에 끼워진 탄성부재에 의해서 연결관이 스파이크에 의해 먼저 그립되어도, 압륜의 내륜부가 밀폐링을 완전히 가압하여 수밀을 유지시킬 수 있는 관 연결용 압륜 조립체에 관한 것이다.
According to the present invention, the abnormal pressure is generated inside the pipeline and the connecting tube connected to the socket tube is pushed out of the socket tube, or the force for pressurizing the sealing ring for watertight action when the connecting tube contracts or relaxes due to seasonal temperature change is lost. The present invention relates to a pressure bearing assembly for pipe connection that can prevent leakage from occurring. More specifically, when the joint bolt and nut are tightened, the connection pipe is first gripped by a spike by an elastic member fitted to the bolt. The inner ring portion relates to a pressure ring assembly for pipe connection that can fully pressurize the sealing ring to maintain the watertight.

본 출원인의 등록특허 제10-0946658호(2010년03월03일, 등록)에 "관 연결용 압륜 조립체"가 소개되어 있다. Patent Application No. 10-0946658 (registered on March 03, 2010, the applicant's patent) "Pipe connection pressure assembly" is introduced.

상기 관 연결용 압륜 조립체는 압륜 본체에 조인트 볼트가 장착되는 볼트 장착부와 스파이크 하우징이 교번되게 배치되고, 상기 스파이크 하우징의 내부에 가동부재가 배치되어, 상기 가동부재의 경사면이 스파이크의 경사면에 밀착되고, 스파이크 하우징의 하부면에 장착 구멍이 형성되고, 상기 장착 구멍에 밀핀이 장착 구멍에 끼워지고, 밀핀의 스템부에 끼워진 탄성부재가 가동부재의 장착홈에 배치되고, 밀핀의 스템부 상단에 형성된 나선부가 가동부재의 장착홈에 형성된 구멍을 통해 너트와 체결되는 것을 특징으로 한다. The pipe connecting pressure assembly includes a bolt mounting portion in which a joint bolt is mounted and a spike housing are alternately arranged on the pressure bearing body, and a movable member is disposed inside the spike housing, such that the inclined surface of the movable member is in close contact with the inclined surface of the spike. And a mounting hole is formed in the lower surface of the spike housing, a mill pin is fitted into the mounting hole in the mounting hole, and an elastic member fitted into the stem portion of the mill pin is disposed in the mounting groove of the movable member, and formed on the top of the stem portion of the mill pin. Spiral portion is characterized in that the fastening with the nut through a hole formed in the mounting groove of the movable member.

그러나, 상기 관 연결용 압륜 조립체는 밀핀이 상승될 때, 밀핀이 수직으로 고정되지 못하고 흔들리게 되어, 스파이크의 그립작용이 부정확하게 될 수 있는 위험이 있고, 밀핀이 상승될 때, 스파이크가 연결관을 먼저 그립하여, 밀폐링이 충분히 가압되지 않아, 밀폐가 완벽히 이루어지지 않는 문제가 있다.
However, there is a risk that the pushpin assembly for pipe connection is shaken when the pin is raised, and the pin is not fixed vertically, so that the grip action of the spike is inaccurate, and when the pin is raised, the spike is connected to the tube. By first gripping, the sealing ring is not sufficiently pressurized, there is a problem that the sealing is not made completely.

따라서, 본 발명의 목적은 스파이크 하우징의 상부구멍과 하부구멍에 볼트의 상하부가 지지되어 볼트가 흔들리지 않고 상승되어, 스파이크가 연결관을 정확하게 그립할 수 있고, 소켓관의 수구선단부에 의해 볼트가 상승되고, 볼트에 체결된 가동부재가 상승되면서 스파이크가 연결관을 그립하고, 압륜 본체의 내륜부에 의해 밀폐링이 압축되어 밀폐링에 의한 압륜 조립체의 수밀작용이 강화되는 관 연결용 압륜 조립체를 제공하는 것이다. Therefore, an object of the present invention is to support the upper and lower portions of the bolt in the upper and lower holes of the spike housing, the bolt is raised without shaking, the spike can accurately grip the connecting pipe, the bolt is raised by the water outlet end of the socket pipe And a spike that grips the connecting pipe as the movable member fastened to the bolt is raised, and the sealing ring is compressed by the inner ring of the pressing body so that the watertight action of the pressing assembly by the sealing ring is enhanced. It is.

또한, 볼트의 상승으로 가동부재가 상승되면, 가동부재의 경사면에 밀착된 스파이크가 스파이크 하우징의 개구부 방향으로 밀려나서 연결관을 1차로 그립할 수 있고, 볼트가 회전되어 가동부재가 볼트 나사선을 따라 더 상승되어 스파이크가 연결관을 2차로 그립하는 관 연결용 압륜 조립체를 제공하는 것이다.
In addition, when the movable member is raised by the rise of the bolt, the spike adhered to the inclined surface of the movable member may be pushed toward the opening of the spike housing to grip the connecting tube primarily, and the bolt may be rotated to move the movable member along the bolt thread line. It is further raised to provide a pipe assembly pusher assembly in which the spike second grips the connector.

상기와 같은 목적을 달성하기 위한 본 발명의 관 연결용 압륜 조립체는 압륜 본체에 조인트 볼트가 장착되는 볼트 장착부와 스파이크 하우징이 교번되게 배치되고, 스파이크 하우징의 내부에 가동부재와 스파이크가 배치 스파이크 하우징의 상부와 하부에 상부구멍과 하부구멍이 형성되어, 볼트의 나사부가 상부구멍과 하부구멍에 끼워지고, 가동부재의 나사구멍에 볼트의 나사부가 체결되고, 가동부재의 경사면에 스파이크의 경사면이 밀착되어 얹히고, 볼트의 나사부 하단에 장착돌기가 형성되어, 장착돌기에 탄성부재가 끼워지는 것을 특징으로 한다.In order to achieve the above object, the pipe connecting pressure assembly of the present invention includes a bolt mounting portion in which a joint bolt is mounted and a spike housing are alternately arranged on a pressing body, and a movable member and a spike are disposed in the spike housing. Upper and lower holes are formed in the upper and lower portions, the threaded portion of the bolt is fitted into the upper and lower holes, the threaded portion of the bolt is fastened to the screw hole of the movable member, and the inclined surface of the spike is in close contact with the inclined surface of the movable member. The mounting protrusion is formed on the lower end of the threaded portion of the bolt, and the elastic member is fitted to the mounting protrusion.

상기 탄성부재는 고무 또는 스프링으로 구성되는 것을 특징으로 한다.The elastic member is characterized in that composed of rubber or spring.

또한, 본 발명에 따른 관 연결용 압륜 조립체는 압륜 본체에 조인트 볼트가 장착되는 볼트 장착부와 스파이크 하우징이 교번되게 배치되고, 스파이크 하우징의 내부에 가동부재와 스파이크가 배치되고, 스파이크 하우징의 상부와 하부에 상부구멍과 하부구멍이 형성되어, 볼트의 나사부가 상부구멍과 하부구멍에 끼워지고, 가동부재의 나사구멍에 볼트의 나사부가 체결되고, 가동부재의 경사면에 스파이크의 경사면이 밀착되어 얹히고, 볼트의 하단부가 압륜 본체에 형성된 내륜부의 하단부에 비해 높이만큼 상부에 위치되는 것을 특징으로 한다. In addition, in the pressure-assembly assembly for pipe connection according to the present invention, the bolt mounting portion and the spike housing, in which the joint bolt is mounted, are alternately arranged on the pressing body, the movable member and the spike are disposed inside the spike housing, and the upper and lower portions of the spike housing are provided. The upper and lower holes are formed in the upper part, the threaded portion of the bolt is fitted into the upper and lower holes, the threaded portion of the bolt is fastened to the screw hole of the movable member, and the inclined surface of the spike is placed on the inclined surface of the movable member. The lower end of the bolt is characterized in that it is positioned at the upper by a height than the lower end of the inner ring portion formed in the pressing body.

상기 가동부재는 몸체의 중앙에 나사구멍이 천공되고, 몸체의 양 측부에 결합부가 형성되고, 몸체의 일측에 경사면이 형성되고, 경사면의 하단에 단턱이 형성되는 것을 특징으로 한다.The movable member is characterized in that the screw hole is drilled in the center of the body, the coupling portion is formed on both sides of the body, the inclined surface is formed on one side of the body, the stepped portion is formed at the lower end of the inclined surface.

상기 스파이크는 일측에 치형부가 형성되고, 치형부의 반대편에 경사면을 갖는 결합부가 형성되는 것을 특징으로 한다.The spike is characterized in that the teeth are formed on one side, the coupling portion having an inclined surface on the opposite side of the teeth is formed.

상기 치형부는 끝이 일자인 민자날이 일렬로 배치되고, 끝이 뾰족한 송곳날이 양 단부와 중간에 배치되는 것을 특징으로 한다.
The teeth are characterized in that the end of the blade is arranged in a row, the pointed auger blade is disposed in the middle and both ends.

이것에 의해, 상기 관 연결용 압륜 조립체는 스파이크 하우징의 상부구멍과 하부구멍에 볼트의 상하부가 지지되어 볼트가 흔들리지 않고 상승되어, 스파이크가 연결관을 정확하게 그립할 수 있고, 소켓관의 수구선단부에 의해 볼트가 상승되고, 볼트에 체결된 가동부재가 상승되면서 스파이크가 연결관을 그립하고, 압륜 본체의 내륜부에 의해 밀폐링이 압축되어 밀폐링에 의한 압륜 조립체의 수밀작용이 강화될 수 있는 효과가 있다. As a result, the pipe connecting pusher assembly is supported by the upper and lower portions of the bolt in the upper and lower holes of the spike housing, so that the bolt is lifted without shaking, so that the spike can grip the connecting tube accurately, and at the water end of the socket tube. As the bolt is raised, the movable member fastened to the bolt is lifted, the spike grips the connecting pipe, and the sealing ring is compressed by the inner ring of the rolling body, thereby enhancing the watertight action of the pressing assembly by the sealing ring. There is.

또한, 볼트의 상승으로 가동부재가 상승되면, 가동부재의 경사면에 밀착된 스파이크가 스파이크 하우징의 개구부 방향으로 밀려나서 연결관을 1차로 그립할 수 있고, 볼트가 회전되어 가동부재가 볼트 나사선을 따라 더 상승되어 스파이크가 연결관을 2차로 그립할 수 있는 효과가 있다.
In addition, when the movable member is raised by the rise of the bolt, the spike adhered to the inclined surface of the movable member may be pushed toward the opening of the spike housing to grip the connecting tube primarily, and the bolt may be rotated to move the movable member along the bolt thread line. The effect is that the spikes can grip the connector secondary.

도 1은 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체를 도시한 사시도
도 2는 본 발명의 제 1실시예에 따른 관 연결용 압륜 조립체를 도시한 도 1의 A-A선에 따른 단면도
도 3은 본 발명의 제 1실시예에 따른 관 연결용 압륜 조립체의 가동부재를 도시한 사시도
도 4는 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체의 스파이크를 도시한 사시도
도 5 내지 도 8은 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체에 의해 소켓관에 연결관이 연결되는 예를 도시한 단면도
도 9는 본 발명의 제 2 실시예에 따른 관 연결용 압륜 조립체를 도시한 단면도
도 10 내지 도 12는 본 발명의 제 2 실시예에 따른 관 연결용 압륜 조립체에 의해 소켓관에 연결관이 연결되는 예를 도시한 단면도
1 is a perspective view showing a pressure assembly for pipe connection according to a first embodiment of the present invention
FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 showing a pusher assembly for pipe connection according to a first embodiment of the present invention.
Figure 3 is a perspective view showing a movable member of the pusher assembly for pipe connection according to the first embodiment of the present invention
Figure 4 is a perspective view showing a spike of the pipe assembly pusher assembly according to the first embodiment of the present invention
5 to 8 are cross-sectional views showing an example in which the connecting pipe is connected to the socket pipe by the pressure-bearing assembly for pipe connection according to the first embodiment of the present invention.
9 is a cross-sectional view showing the pressure-wheel assembly for pipe connection according to the second embodiment of the present invention.
10 to 12 is a cross-sectional view showing an example in which the connecting pipe is connected to the socket pipe by the pressure-bearing assembly for pipe connection according to the second embodiment of the present invention.

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1 및 도 2를 참조하면, 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체는 압륜 본체(10)에 조인트 볼트(80)가 장착되는 볼트 장착부(20)와 스파이크 하우징(30)이 교번되게 배치된다. 1 and 2, the pressure-bearing assembly for pipe connection according to the first embodiment of the present invention includes a bolt mounting portion 20 and a spike housing 30 in which a joint bolt 80 is mounted on the pressure-bearing body 10. Alternately placed.

상기 스파이크 하우징(30)의 내부에 가동부재(40)와 스파이크(50)가 배치된다. The movable member 40 and the spike 50 are disposed in the spike housing 30.

상기 스파이크 하우징(30)의 상부와 하부에 상부구멍(32)과 하부구멍(33)이 형성되어, 볼트(70)의 나사부(72)가 상부구멍(32)과 하부구멍(33)에 끼워지고, 가동부재(40)의 나사구멍(42)에 볼트(70)의 나사부(72)가 체결되고, 가동부재(40)의 경사면(43)에 스파이크(50)의 경사면(53)이 밀착되어 얹히고, 볼트(70)의 나사부(72) 하단에 장착돌기(74)가 형성되어, 장착돌기(74)에 탄성부재(60)가 끼워진다. Upper and lower holes 32 and lower holes 33 are formed in the upper and lower portions of the spike housing 30 so that the threaded portion 72 of the bolt 70 is fitted into the upper hole 32 and the lower hole 33. The screw portion 72 of the bolt 70 is fastened to the screw hole 42 of the movable member 40, and the inclined surface 53 of the spike 50 is placed on the inclined surface 43 of the movable member 40. The mounting protrusion 74 is formed at the lower end of the threaded portion 72 of the bolt 70, and the elastic member 60 is fitted to the mounting protrusion 74.

상기 압륜 본체(10)는 내륜부(12)와 외륜부(13)가 수평부(14)에 의해 연결되고, 수평부(14)에 스파이크 하우징(30)이 형성된다. In the pressure wheel body 10, the inner ring part 12 and the outer ring part 13 are connected by the horizontal part 14, and the spike housing 30 is formed in the horizontal part 14.

상기 스파이크 하우징(30)은 개구부(35)가 압륜 본체(10)의 중심을 향해 형성되고, 상부면과 하부면에 볼트(70)의 나사부(72)가 끼워지는 상부구멍(32)과 하부구멍(33)이 형성되고, 하부구멍(33)의 테두리에 가동부재(40)가 안착된다. The spike housing 30 has an opening 35 formed toward the center of the pressure bearing body 10, and an upper hole 32 and a lower hole into which upper and lower surfaces of the spike housing 30 are fitted. 33 is formed, and the movable member 40 is seated on the edge of the lower hole 33.

상기 탄성부재(60)는 고무 또는 스프링으로 구성된다. The elastic member 60 is composed of a rubber or a spring.

도 3을 참조하면, 상기 가동부재(40)는 몸체(44)의 중앙에 나사구멍(42)이 천공되고, 몸체(42)의 양 측부에 결합부(45)가 형성되고, 몸체(44)의 일측에 경사면(43)이 형성되고, 경사면(43)의 하단에 단턱(48)이 형성된다. Referring to FIG. 3, the movable member 40 has a screw hole 42 drilled in the center of the body 44, coupling portions 45 are formed at both sides of the body 42, and the body 44. The inclined surface 43 is formed on one side of the stepped portion 48 is formed at the lower end of the inclined surface 43.

이것에 의해, 압륜 조립체에 연결관(P2)을 조립하는 과정에서, 스파이크(50)가 스파이크 하우징(30)의 개구부(35)에서 빠지는 것을 방지하기 위해서, 볼트(70)를 돌리면, 볼트(70)의 나사선이 회전되면서, 가동부재(40)의 나사구멍(42)에 형성된 나사선이 볼트(70)의 나사선에 맞물려 가동부재(40)가 상승되고, 가동부재(40)에 얹힌 스파이크(50)가 스파이크 하우징(30)의 상부면에 밀착되어, 개구부(35)를 통해 빠지는 것이 방지된다. Thereby, in order to prevent the spike 50 from falling out of the opening 35 of the spike housing 30 in the process of assembling the connection pipe P2 to the pressure-wheel assembly, the bolt 70 is turned. As the screw wire of the screw is rotated, the screw thread formed in the screw hole 42 of the movable member 40 meshes with the screw thread of the bolt 70, thereby raising the movable member 40, and the spike 50 placed on the movable member 40. Is in close contact with the upper surface of the spike housing 30, and is prevented from falling out through the opening 35.

도 4를 참조하면, 상기 스파이크(50)는 일측에 치형부(54)가 형성되고, 치형부(54)의 반대편에 경사면(53)을 갖는 결합부(55)가 형성된다.Referring to FIG. 4, the spike 50 has a tooth portion 54 formed on one side thereof, and a coupling portion 55 having an inclined surface 53 on the opposite side of the tooth portion 54 is formed.

상기 치형부(54)는 끝이 일자인 민자날(54a)이 일렬로 배치되고, 끝이 뾰족한 송곳날(54b)이 양 단부와 중간에 배치된다. The teeth 54 are arranged in a row with the blades 54a having a straight end, and the awl blades 54b having sharp tips are disposed at both ends and in the middle.

이것에 의해, 스파이크 하우징(30)에 배치된 가동부재(40)의 결합부(45)에 스파이크(50)의 결합부(55)가 서로 맞물려 결합되고, 스파이크(50)의 경사면(53)이 가동부재(40)의 경사면(43)에 얹히면서 서로 밀착된다. As a result, the engaging portions 55 of the spikes 50 are engaged with each other by engaging the engaging portions 45 of the movable member 40 disposed in the spike housing 30, and the inclined surface 53 of the spikes 50 is engaged. While in contact with the inclined surface 43 of the movable member 40 is in close contact with each other.

또한, 상기 송곳날(54b)이 양 치형부(54)의 중간과 양 단부에 배치되어, 굴곡진 연결관(P2)을 작은 힘으로도 그립할 수 있다. In addition, the awl blade (54b) is disposed in the middle and both ends of the tooth portion 54, it is possible to grip the curved connecting pipe (P2) with a small force.

상기와 같이 구성된 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체를 이용하여 연결관(P2)을 소켓관(P1)에 연결하는 공정 및 구성요소의 작용을 도 5 내지 도 8을 참조하여 설명하기로 한다.The operation of the process and components for connecting the connection pipe (P2) to the socket pipe (P1) by using the pressure-wheel assembly for pipe connection according to the first embodiment of the present invention configured as described above with reference to FIGS. Let's explain.

도 5 및 도 6을 참조하면, 소켓관(P1)의 소켓 경사부(4)에 밀폐링(20)이 안착되고, 압륜 조립체가 연결관(P2)에 조립된 상태에서, 압륜 본체(10)의 볼트 장착부(20)에 조인트 볼트(80)가 삽입되어 너트(82)와 함께 조이면, 압륜 본체(10)가 화살표(99)와 같이 소켓관(P1)쪽으로 이동되면서, 볼트(70)의 하단에 끼워진 탄성부재(60)가 소켓관(P1)의 수구 선단부(3)에 밀착되어 있어, 압륜 본체(10)에 대해 수구 선단부(3)가 상대적으로 상승되어, 탄성부재(60)와 함께 볼트(70)가 상승된다.5 and 6, in the state in which the sealing ring 20 is seated on the socket inclined portion 4 of the socket tube P1, and the pressure wheel assembly is assembled to the connection pipe P2, the pressure body main body 10 is provided. When the joint bolt 80 is inserted into the bolt mounting portion 20 and tightened together with the nut 82, the pressure bearing body 10 is moved toward the socket tube P1 as shown by the arrow 99. The elastic member 60 fitted in the contact portion is in close contact with the water distal end portion 3 of the socket tube P1, and the water distal end portion 3 is relatively raised with respect to the pressure wheel main body 10, and the bolt together with the elastic member 60 is fixed. 70 is raised.

이것에 의해, 연결관(P2)이 압륜 조립체에 끼워진 후, 조인트 볼트(80)와 너트(82)를 조이는 과정에서, 탄성부재(60)가 압축되기 전에, 탄성부재(60)가 볼트(70)와 함께 상승되어, 연결관(P2)이 스파이크(50)에 의해 그립된다. By this, after the connection pipe P2 is fitted to the pressure bearing assembly, in the process of tightening the joint bolt 80 and the nut 82, the elastic member 60 is bolted to 70 before the elastic member 60 is compressed. ), The connecting pipe P2 is gripped by the spike 50.

도 7을 참조하면, 이후, 조인트 볼트(80)와 너트(82)를 더 조이면, 탄성부재(60)가 압축되면서 소켓관(P2)이 상대적으로 더 상승되고, 압륜 본체(10)의 내륜부(12)에 의해 밀폐링(2)이 더 압축되면서, 소켓관(P1)과 연결관(P2) 사이를 강하게 밀폐하게 된다.Referring to FIG. 7, when the joint bolt 80 and the nut 82 are further tightened, the socket tube P2 is relatively raised while the elastic member 60 is compressed, and the inner ring portion of the pressure bearing body 10 is increased. As the sealing ring 2 is further compressed by 12, the sealing ring 2 is strongly sealed between the socket tube P1 and the connecting tube P2.

또한, 볼트(80)도 압축된 탄성부재(60)와 함께 상승되어, 볼트(70)의 나사부(72)에 체결된 가동부재(40)가 상승된다. In addition, the bolt 80 is also raised together with the compressed elastic member 60, the movable member 40 fastened to the threaded portion 72 of the bolt 70 is raised.

이때, 가동부재(40)의 경사면(43)이 스파이크(50)의 경사면(53)에 밀착되어 있어, 가동부재(43)의 경사면(43)이 상승되면서, 스파이크(50)를 연결관(P2) 쪽으로 밀어냄으로써, 스파이크(50)가 연결관(P2)을 더욱 강하게 조이게 된다. At this time, the inclined surface 43 of the movable member 40 is in close contact with the inclined surface 53 of the spike 50, so that the inclined surface 43 of the movable member 43 is raised, thereby connecting the spike 50 to the connecting pipe (P2). By pushing to the side), the spike 50 tightens the connecting pipe P2 more strongly.

가동부재(40)의 경사면(43)에 형성된 단턱(48)은 가동부재(40)의 상승힘에 의하여 절단된다. The stepped portion 48 formed on the inclined surface 43 of the movable member 40 is cut by the lifting force of the movable member 40.

또한, 볼트(70)의 나사부(72) 상단 및 하단이 스파이크 하우징(30)의 상부구멍(32) 및 하부구멍(33)에 삽입되어 지지되기 때문에, 볼트(70)가 흔들리지 않고, 안정적으로 가동부재(40)가 상승되어, 스파이크(50)가 연결관(P2)을 정확하게 그립한다. In addition, since the upper end and the lower end of the threaded portion 72 of the bolt 70 are inserted into and supported by the upper hole 32 and the lower hole 33 of the spike housing 30, the bolt 70 does not shake and moves stably. The member 40 is raised so that the spike 50 grips the connecting pipe P2 accurately.

도 8을 참조하면, 연결관(P2)에 스파이크(50)가 필요에 따라서 더 조여지기 위해서, 볼트(70)가 화살표(97)와 같이 조여지면, 가동부재(40)의 나사구멍(42)에 볼트(70)의 나사부(72)가 체결되어 있어, 볼트(70)가 회전되면서 가동부재(40)가 나사부(72)의 나사선을 따라 상승되고, 가동부재(40)의 경사면(43)이 상승되면서, 스파이크(50)를 연결관(P2) 방향으로 밀어냄으로써, 스파이크(50)가 연결관(P2)을 더욱 강하게 조이게 된다. Referring to FIG. 8, in order to further tighten the spike 50 to the connecting pipe P2 as necessary, when the bolt 70 is tightened as shown by the arrow 97, the screw hole 42 of the movable member 40 is used. The screw portion 72 of the bolt 70 is fastened, the movable member 40 is raised along the screw line of the screw portion 72 as the bolt 70 is rotated, and the inclined surface 43 of the movable member 40 is While being raised, by pushing the spike 50 in the direction of the connecting pipe (P2), the spike 50 is tightened more strongly the connecting pipe (P2).

즉, 도 7 및 도 8을 다시 참조하면, 압륜 조립체의 조인트 볼트(80) 및 너트(82)를 조이면, 수구선단부(4)에 밀착된 볼트(70)에 끼워진 탄성부재(60)가 볼트(60)와 함께 상승되고, 볼트(70)에 체결된 가동부재(40)도 함께 상승되면서, 제 1 이동거리(D1) 만큼 가동부재(40)가 상승되어 연결관(P2)이 스파이크(50)에 의해 1차로 그립된다.That is, referring again to FIGS. 7 and 8, when the joint bolt 80 and the nut 82 of the pressing assembly are tightened, the elastic member 60 fitted to the bolt 70 in close contact with the water tool tip 4 is bolted ( 60 together with the movable member 40 fastened to the bolt 70 as well, the movable member 40 is raised by the first moving distance D1 so that the connecting pipe P2 is spiked 50. Is primarily gripped by.

이후, 스파이크(50)가 연결관(P2)을 더욱더 그립하기 위해서, 볼트(70)가 화살표 방향(97)으로 조여져 볼트(70)의 나사선이 회전되면, 가동부재(40)의 나사구멍(42)에 형성된 나사선이 볼트(70)의 나사선에 맞물려 가동부재(40)가 상승되고, 가동부재(40)가 제 2 이동거리(D2) 만큼 상승되어, 스파이크(50)가 연결관(P2)쪽으로 더욱 가까이 이동하여 연결관(P2)이 스파이크(50)에 의해 2차로 그립된다. Then, in order for the spike 50 to further grip the connecting pipe P2, when the bolt 70 is tightened in the direction of the arrow 97 and the screw thread of the bolt 70 is rotated, the screw hole 42 of the movable member 40 is rotated. ), The screw thread formed in the mesh member is engaged with the screw thread of the bolt 70, and the movable member 40 is raised, and the movable member 40 is raised by the second moving distance D2, so that the spike 50 is directed toward the connecting pipe P2. Moving closer, the connector P2 is secondarily gripped by the spikes 50.

도 9 및 도 10을 참조하면, 본 발명의 제 2 실시예에 따른 관 연결용 압륜 조립체는 압륜 본체(110)에 조인트 볼트(180)가 장착되는 볼트 장착부(120)와 스파이크 하우징(130)이 교번되게 배치되고, 스파이크 하우징(130)의 내부에 가동부재(140)와 스파이크(150)가 배치되고, 스파이크 하우징(130)의 상부와 하부에 상부구멍(132)과 하부구멍(133)이 형성되어, 볼트(170)의 나사부(172)가 상부구멍(132)과 하부구멍(133)에 끼워지고, 가동부재(140)의 나사구멍(142)에 볼트(170)의 나사부(172)가 체결되고, 가동부재(140)의 경사면(143)에 스파이크(150)의 경사면(153)이 밀착되어 얹히고, 볼트(172)의 하단부(170a)가 압륜 본체(110)에 형성된 내륜부(112)의 하단부(112a)에 비해 높이(T)만큼 상부에 위치된다. 9 and 10, the pressure-bearing assembly for pipe connection according to the second embodiment of the present invention includes a bolt mounting part 120 and a spike housing 130 in which a joint bolt 180 is mounted on the pressure-bearing body 110. Arranged alternately, the movable member 140 and the spike 150 are disposed inside the spike housing 130, and the upper and lower holes 132 and the lower hole 133 are formed in the upper and lower portions of the spike housing 130. The threaded portion 172 of the bolt 170 is fitted into the upper hole 132 and the lower hole 133, and the threaded portion 172 of the bolt 170 is fastened to the threaded hole 142 of the movable member 140. And the inclined surface 153 of the spike 150 adheres to the inclined surface 143 of the movable member 140, and the inner ring portion 112 having the lower end portion 170a of the bolt 172 formed on the pressure bearing body 110. It is positioned at the top by a height (T) relative to the bottom (112a) of the.

도 11을 참조하면, 이것에 의해, 연결관(P2)이 압륜 조립체에 끼워진 후, 조인트 볼트(180)와 너트(182)를 조이면, 볼트(170)의 하단부(170a)가 내륜부(112)의 하단부(112a)에 비해 높이(T)만큼 상부에 위치되어(도 9 참조), 내륜부(112)가 밀폐링(2)을 높이(T)만큼 가압하여, 소켓관(P1)과 연결관(P2) 사이가 충분히 밀폐되어 수밀이 유지되고, 수구선단부(4)가 볼트(170)의 하단부(170a)에 밀착된다. Referring to FIG. 11, when the connecting pipe P2 is fitted into the pressure wheel assembly by this, when the joint bolt 180 and the nut 182 are tightened, the lower end portion 170a of the bolt 170 becomes the inner ring portion 112. It is located at the upper side by the height (T) relative to the lower end (112a) of (see Fig. 9), the inner ring portion 112 presses the sealing ring 2 by the height (T), the socket tube (P1) and the connecting tube The space between the parts P2 is sufficiently sealed to maintain the watertightness, and the water port tip 4 is in close contact with the lower end 170a of the bolt 170.

이후, 스파이크(150)의 치형부(154)가 연결관(P2)에 닿을 때까지(또는 최대한 근접하게), 조인트 볼트(180)와 너트(182)를 더 조이면, 소켓관(P1)이 상대적으로 상승되면서, 수구선단부(4)에 밀착된 볼트(170)가 상승되고, 볼트(170)에 체결된 가동부재(140)도 함께 상승되어, 스파이크(150)를 압륜 본체(110) 내측으로 밀어 스파이크(150)가 연결관(P2)에 최대한 접근된다. Then, further tighten the joint bolt 180 and the nut 182 until the teeth 154 of the spike 150 touch the connector P2 (or as close as possible), so that the socket tube P1 is relatively While rising to, the bolt 170 in close contact with the water polo tip 4 is raised, the movable member 140 fastened to the bolt 170 is also raised, and pushes the spike 150 into the pressure wheel body 110 inside Spike 150 is as close as possible to connector P2.

도 12를 참조하면, 이후, 연결관(P2)이 스파이크(150)에 의해 강하게 그립되기 위해서, 볼트(170)를 화살표(95)와 같이 조여주면, 가동부재(140)의 나사구멍(142)에 볼트(170)의 나사부(72)가 체결되어 있어, 볼트(170)가 회전되면서 가동부재(140)가 나사부(172)의 나사선을 따라 상승되고, 가동부재(140)의 경사면(143)이 상승되면서, 스파이크(150)를 연결관(P2) 방향으로 밀어냄으로써, 연결관(P2)이 스파이크(150)에 의해 강하게 그립되어 연결관(P2)이 소켓관(P2)에서 이탈되는 것이 방지된다. Referring to FIG. 12, afterwards, when the connecting pipe P2 is strongly gripped by the spike 150, the bolt 170 is tightened as shown by the arrow 95, and the screw hole 142 of the movable member 140 is fixed. The screw portion 72 of the bolt 170 is fastened to each other, and as the bolt 170 rotates, the movable member 140 is raised along the screw line of the screw portion 172, and the inclined surface 143 of the movable member 140 is moved. While being raised, by pushing the spike 150 in the direction of the connection pipe (P2), the connection pipe (P2) is strongly gripped by the spike 150 to prevent the connection pipe (P2) from being separated from the socket pipe (P2). .

가동부재(140)의 경사면(143)에 형성된 단턱(148)은 가동부재(140)가 상승되면서 절단된다. The step 148 formed on the inclined surface 143 of the movable member 140 is cut while the movable member 140 is raised.

본 발명에 제 2 실시예에 따른 관 연결용 압륜 조립체는 볼트(170)의 하단부(170a)에 탄성부재가 끼워지지 않고, 볼트(170)의 하단부(170a)의 위치가 압륜 본체(110)에 형성된 내륜부(112)의 하단부(112a)에 비해 높이(T)만큼 상부에 위치된 것을 제외하고, 본 발명의 제 1 실시예에 따른 관 연결용 압륜 조립체와 동일하여 자세한 설명은 생략한다.
In the pressure-bearing assembly for pipe connection according to the second embodiment of the present invention, the elastic member is not fitted to the lower end portion 170a of the bolt 170, and the position of the lower end portion 170a of the bolt 170 is adjusted to the pressure-bearing body 110. Except for being located above the height (T) relative to the lower end portion 112a of the inner ring portion 112 formed, the same description as the pipe assembly pressure ring assembly according to the first embodiment of the present invention will be omitted.

10: 압륜 본체
20: 볼트 장착부
30: 스파이크 하우징
40: 가동부재
50: 스파이크
60: 탄성부재
70: 볼트
80: 조인트 볼트
10: rolling body
20: bolt mounting
30: spike housing
40: movable member
50: spike
60: elastic member
70: bolts
80: joint bolt

Claims (6)

압륜 본체(10)에 조인트 볼트(80)가 장착되는 볼트 장착부(20)와 스파이크 하우징(30)이 교번되게 배치되고, 스파이크 하우징(30)의 내부에 가동부재(40)와 스파이크(50)가 배치 되고, 스파이크 하우징(30)의 상부와 하부에 상부구멍(32)과 하부구멍(33)이 형성되어, 볼트(70)의 나사부(72)가 상부구멍(32)과 하부구멍(33)에 끼워지고, 가동부재(40)의 나사구멍(42)에 볼트(70)의 나사부(72)가 체결되고, 가동부재(40)의 경사면(43)에 스파이크(50)의 경사면(53)이 밀착되어 얹히고, 볼트(70)의 나사부(72) 하단에 장착돌기(74)가 형성되어, 장착돌기(74)에 탄성부재(60)가 끼워지는 것을 특징으로 하는 관 연결용 압륜 조립체.
The bolt mounting portion 20 to which the joint bolt 80 is mounted and the spike housing 30 are alternately disposed on the pressure ring body 10, and the movable member 40 and the spike 50 are disposed inside the spike housing 30. The upper hole 32 and the lower hole 33 are formed in the upper part and the lower part of the spike housing 30, and the screw part 72 of the bolt 70 is provided in the upper hole 32 and the lower hole 33. As shown in FIG. The threaded portion 72 of the bolt 70 is fastened to the screw hole 42 of the movable member 40, and the inclined surface 53 of the spike 50 is in close contact with the inclined surface 43 of the movable member 40. And the mounting protrusion 74 is formed at the lower end of the threaded portion 72 of the bolt 70, and the elastic member 60 is fitted to the mounting protrusion 74.
제 1 항에 있어서,
상기 탄성부재(60)는 고무 또는 스프링으로 구성되는 것을 특징으로 하는 관 연결용 압륜 조립체.
The method of claim 1,
The elastic member (60) is a push-wheel assembly for pipe connection, characterized in that consisting of a spring or rubber.
압륜 본체(110)에 조인트 볼트(180)가 장착되는 볼트 장착부(120)와 스파이크 하우징(130)이 교번되게 배치되고, 스파이크 하우징(130)의 내부에 가동부재와 스파이크가 배치되고, 스파이크 하우징(130)의 상부와 하부에 상부구멍(132)과 하부구멍(133)이 형성되어, 볼트(170)의 나사부(172)가 상부구멍(132)과 하부구멍(133)에 끼워지고, 가동부재의 나사구멍에 볼트(170)의 나사부(172)가 체결되고, 가동부재의 경사면에 스파이크의 경사면이 밀착되어 얹히고, 볼트(172)의 하단부(170a)가 압륜 본체(110)에 형성된 내륜부(112)의 하단부(112a)에 비해 높이(T)만큼 상부에 위치되는 것을 특징으로 하는 관 연결용 압륜 조립체.
The bolt mounting part 120 on which the joint bolt 180 is mounted and the spike housing 130 are alternately disposed on the pressure ring body 110, and the movable member and the spike are disposed inside the spike housing 130, and the spike housing ( Upper and lower holes 132 and lower holes 133 are formed in the upper and lower portions of the 130, so that the threaded portion 172 of the bolt 170 is fitted into the upper hole 132 and the lower hole 133, and The threaded portion 172 of the bolt 170 is fastened to the screw hole, and the inclined surface of the spike is placed on the inclined surface of the movable member in close contact with each other, and the lower end portion 170a of the bolt 172 is formed on the inner ring body 110 ( A pressure assembly for pipe connection, characterized in that located above the height (T) relative to the lower end (112a) of the (112).
제 1 항 또는 제 3 항에 있어서,
상기 가동부재는 몸체의 중앙에 나사구멍이 천공되고, 몸체의 양 측부에 결합부가 형성되고, 몸체의 일측에 경사면이 형성되고, 경사면의 하단에 단턱이 형성되는 것을 특징으로 하는 관 연결용 압륜 조립체.
The method according to claim 1 or 3,
The movable member is a screw hole is drilled in the center of the body, the coupling portion is formed on both sides of the body, the inclined surface is formed on one side of the body, the stepped joint for pipe connection, characterized in that the step is formed at the bottom of the inclined surface .
제 1 항 또는 제 3 항에 있어서,
상기 스파이크는 일측에 치형부가 형성되고, 치형부의 반대편에 경사면을 갖는 결합부가 형성되는 것을 특징으로 하는 관 연결용 압륜 조립체.
The method according to claim 1 or 3,
The spike has a toothed portion formed on one side, the joint assembly for connecting pipes, characterized in that the coupling portion having an inclined surface is formed on the opposite side of the teeth.
제 5 항에 있어서,
상기 치형부는 끝이 일자인 민자날이 일렬로 배치되고, 끝이 뾰족한 송곳날이 양 단부와 중간에 배치되는 것을 특징으로 하는 관 연결용 압륜 조립체.
The method of claim 5, wherein
Said tooth is a flat blade assembly for the pipe connection, characterized in that the blades are arranged in a row, the tip of the blade is arranged in the middle of both ends.
KR1020110011498A 2011-02-09 2011-02-09 Press wheel assembly for conneting pipes KR101049449B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110011498A KR101049449B1 (en) 2011-02-09 2011-02-09 Press wheel assembly for conneting pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110011498A KR101049449B1 (en) 2011-02-09 2011-02-09 Press wheel assembly for conneting pipes

Publications (1)

Publication Number Publication Date
KR101049449B1 true KR101049449B1 (en) 2011-07-15

Family

ID=44923640

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110011498A KR101049449B1 (en) 2011-02-09 2011-02-09 Press wheel assembly for conneting pipes

Country Status (1)

Country Link
KR (1) KR101049449B1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101135107B1 (en) 2011-10-21 2012-04-16 현대주철산업 주식회사 Press wheel assembly for conneting pipes
KR101166517B1 (en) 2012-05-08 2012-07-20 현대주철산업 주식회사 Press wheel for flexible conneting pipes
KR101544574B1 (en) 2015-01-26 2015-08-17 현대주철산업 주식회사 Press wheel assembly for conneting pipes
KR101783251B1 (en) 2017-02-16 2017-10-10 송권섭 The buffering type separation prevention pressing wheel
WO2019212771A1 (en) 2018-04-30 2019-11-07 Mueller International, Llc Joint restraint device
US11306463B2 (en) 2018-09-04 2022-04-19 Mueller International, Llc Hydrant shoe assembly
US11313504B2 (en) 2017-04-19 2022-04-26 Mueller International, Llc Joint restraint device
WO2022148671A1 (en) * 2021-01-06 2022-07-14 Swiss Tech Innovation AG Seal assembly and joint bushing
US11396965B2 (en) 2019-07-19 2022-07-26 Mueller International, Llc Restraint gripper cover with lockout breakaway
US11396964B2 (en) 2017-04-19 2022-07-26 Mueller International, Llc Joint restraint device
US11473705B2 (en) 2018-08-22 2022-10-18 Mueller International, Llc Joint restraint device
US11668416B2 (en) 2019-02-04 2023-06-06 Mueller International, Llc Gland assembly
US11906082B2 (en) 2017-04-19 2024-02-20 Mueller International, Llc Joint restraint device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619259B1 (en) 2005-01-31 2006-08-31 김석윤 Pipe fixing system
KR100633423B1 (en) 2005-12-30 2006-10-16 허병욱 Tightening ring assembly for preventing cast iron pipes from detaching
KR100939038B1 (en) 2009-12-04 2010-01-27 현대주철산업 주식회사 Assembly of press wheel for conneting pipes
KR100946658B1 (en) 2009-12-18 2010-03-09 현대주철산업 주식회사 Press wheel assembly for conneting pipes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619259B1 (en) 2005-01-31 2006-08-31 김석윤 Pipe fixing system
KR100633423B1 (en) 2005-12-30 2006-10-16 허병욱 Tightening ring assembly for preventing cast iron pipes from detaching
KR100939038B1 (en) 2009-12-04 2010-01-27 현대주철산업 주식회사 Assembly of press wheel for conneting pipes
KR100946658B1 (en) 2009-12-18 2010-03-09 현대주철산업 주식회사 Press wheel assembly for conneting pipes

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101135107B1 (en) 2011-10-21 2012-04-16 현대주철산업 주식회사 Press wheel assembly for conneting pipes
KR101166517B1 (en) 2012-05-08 2012-07-20 현대주철산업 주식회사 Press wheel for flexible conneting pipes
KR101544574B1 (en) 2015-01-26 2015-08-17 현대주철산업 주식회사 Press wheel assembly for conneting pipes
KR101783251B1 (en) 2017-02-16 2017-10-10 송권섭 The buffering type separation prevention pressing wheel
US11435015B2 (en) 2017-04-19 2022-09-06 Mueller International, Llc Joint restraint device
US11906082B2 (en) 2017-04-19 2024-02-20 Mueller International, Llc Joint restraint device
US11313504B2 (en) 2017-04-19 2022-04-26 Mueller International, Llc Joint restraint device
US11796103B2 (en) 2017-04-19 2023-10-24 Mueller International, Llc Joint restraint device
US11396964B2 (en) 2017-04-19 2022-07-26 Mueller International, Llc Joint restraint device
WO2019212771A1 (en) 2018-04-30 2019-11-07 Mueller International, Llc Joint restraint device
EP3788286A4 (en) * 2018-04-30 2022-01-26 Mueller International, LLC Joint restraint device
US11473705B2 (en) 2018-08-22 2022-10-18 Mueller International, Llc Joint restraint device
US11306463B2 (en) 2018-09-04 2022-04-19 Mueller International, Llc Hydrant shoe assembly
US11668416B2 (en) 2019-02-04 2023-06-06 Mueller International, Llc Gland assembly
US11396965B2 (en) 2019-07-19 2022-07-26 Mueller International, Llc Restraint gripper cover with lockout breakaway
WO2022148671A1 (en) * 2021-01-06 2022-07-14 Swiss Tech Innovation AG Seal assembly and joint bushing

Similar Documents

Publication Publication Date Title
KR101049449B1 (en) Press wheel assembly for conneting pipes
KR100946658B1 (en) Press wheel assembly for conneting pipes
KR101052730B1 (en) Connecting device for corrugated pipe
KR20130044320A (en) Pipe fitting
US8408606B2 (en) Pipe clamp assembly with tightening element keeper
KR100883799B1 (en) Assembly of press wheel for conneting pipes
KR101135107B1 (en) Press wheel assembly for conneting pipes
KR20120105917A (en) Flexible pipe connector
KR100872765B1 (en) Assembly of press wheel for pipe-connecting
AU2018204771A1 (en) Fastener for mechanically joining conveyor belts
KR100939038B1 (en) Assembly of press wheel for conneting pipes
KR101756526B1 (en) Pipe coupling apparatus
US20100181758A1 (en) Connector
KR101033000B1 (en) Press wheel assembly for conneting pipes
KR100917982B1 (en) Joint device of pressurize type for pipe
KR100949512B1 (en) Press wheel assembly for conneting pipes
US9863561B2 (en) Pipe clamp assembly with stiffening element
DE602007012528D1 (en) Mounting device that allows the connection of a pipe with a structure
KR100943787B1 (en) The slide tighten type the pipe connection socket
KR101048275B1 (en) Manometer assembly for pipe connection
WO2008093555A1 (en) Flare fastening structure of tube
KR200439127Y1 (en) Holder for plumbing joint
KR200336225Y1 (en) Coupling Structure of Water Service Pipe
KR20120007827U (en) Pipe connecting device
EP3126729B1 (en) Plumbing connector and method of connecting a plumbing fitting to a tube

Legal Events

Date Code Title Description
A201 Request for examination
A302 Request for accelerated examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20140707

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20150706

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20160624

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee