KR20050031828A - a - Google Patents

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Publication number
KR20050031828A
KR20050031828A KR1020030068108A KR20030068108A KR20050031828A KR 20050031828 A KR20050031828 A KR 20050031828A KR 1020030068108 A KR1020030068108 A KR 1020030068108A KR 20030068108 A KR20030068108 A KR 20030068108A KR 20050031828 A KR20050031828 A KR 20050031828A
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KR
South Korea
Prior art keywords
coupling
protrusion
male
groove
synthetic resin
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KR1020030068108A
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Korean (ko)
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KR100528714B1 (en
Inventor
유옥수
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유옥수
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Priority to KR10-2003-0068108A priority Critical patent/KR100528714B1/en
Publication of KR20050031828A publication Critical patent/KR20050031828A/en
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Publication of KR100528714B1 publication Critical patent/KR100528714B1/en

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    • 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
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/12Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means

Abstract

Synthetic resin pipes for assembly and connection are provided to stabilize a combined state and to prevent the combined state from being separated, by assembling a male combining part and a female combining part. Synthetic resin pipes(1) for assembly and connection comprise a female combining part(2) and a male combining part(3). In the female combining part, an assembling hole(10) is formed in the bore, and combining protruded parts(4) and combining groove parts(5) are successively formed to the outside. A fitting projection(6) is protruded on a side of the combining protruded part. In the male combining part, guide grooves(15), where the combining protruded parts are situated, and protruded parts(14) are successively formed. A fixing projection(16) where the fitting projection is situated is formed to a side of the guide groove, and an insertion shaft(11) is inserted in the front of the male combining part. Synthetic resins are connected while the female combining part and the male combining part are combined.

Description

조립 연결용 합성수지관{a}Synthetic resin pipes for assembly connection {a}

본 발명은 주로 하수관으로 사용되는 이중벽이나 삼중벽 합성수지관의 양선단에서 상호 연결함에 있어서, 연결부분에서 숫 결합부와 암 결합부를 삽입하면 결합 돌출부와 걸림턱이 결합되면서 구멍과 구멍 조립돌기가 안정되고 견고하게 원터치 방식으로 조립되어 결합상태가 분리되지 않도록 하는 조립 연결용 합성수지관에 관한 것이다.In the present invention, when connecting at both ends of the double wall or triple wall synthetic resin pipe mainly used as sewage pipe, inserting the male coupling portion and the female coupling portion at the connection portion, the coupling protrusion and the locking jaw is coupled to the hole and the hole assembly projection is stable The present invention relates to a synthetic resin pipe for assembling and preventing the bonding state from being separated by being firmly assembled in a one-touch manner.

합성수지관 중 내부에 사각형이나 원형의 관이 형성되는 이중벽 또는 삼중벽 하수관은 소켓과 플랜지를 일체형으로 사출하여 연결되도록 한다.The double wall or triple wall sewer pipe, which is formed inside the square or circular pipe, is connected to the socket and the flange by integral injection.

그러나 관을 상호 연결한 후에는 연결부분에서 압력으로 인하여 누수가 발생하므로 이를 방지하기 위하여 융착시키는 방법과 원터치형으로 결합하는 방법이 제안되었다.However, after the pipes are interconnected, leakage occurs due to pressure at the connection part. Therefore, a method of fusion and one-touch coupling has been proposed to prevent this.

이러한 관의 상호연결 방법중 융착방법은 합성수지 시트에 열선을 깔고서 연결되는 두개의 파이프에 감은 후 시트의 열선에 전원을 공급하여 열선의 발열에 의하여 융착되도록 하는 것이다.The fusion method of the pipe interconnection method is to wind two wires connected by laying a heating wire on the synthetic resin sheet, and then supply power to the heating wire of the sheet to be fused by heat generation of the heating wire.

그러나 상기의 융착방법은 열을 발생시킬 전원공급장치를 차량에 적재하고 작업위치까지 이동하는 관계로 작업의 어려움과 융착장치를 별도로 구비하는 결점이 있었다.However, the above fusion method has a drawback in that it is difficult to work and has a fusion device separately since the power supply device to generate heat is moved to a vehicle and moved to a work position.

또한 삽입식의 연결방법은 연결부분에 밴드를 이용하여 한바퀴 감은 후 볼트와 너트 및 나사를 이용하여 연결부분에서 관을 상호 고정시키게 된다.In addition, the connection method of the insertion type is wound around the joint using a band, and then the bolts, nuts and screws are used to fix the pipes at the joints.

그러나 파이프에 고정하는 밴드는 여러개를 이용하여야 하고 견고하게 체결하므로 체결시간이 오래 걸리고 작업시간이 복잡하여 한번 고정한 후에는 잘못 고정시켜도 분리하기가 매우 어렵고 분리한 밴드는 새로운 것으로 재사용하는 결점이 있었다.However, the bands fixed to the pipe must be used multiple times and fastened tightly, so the fastening time is long and the working time is complicated, and once fixed, it is very difficult to separate even if it is incorrectly fixed.

그리고 실용신안등록 제164483호는 하수관의 연결시 지하의 구조에 따라서 연결부분에서 약간은 휘어지게 연결할 수 있어야 하나 일자형으로 연결시킬 수 밖에 없는 구조이며, 연결된 이후에는 계절에 따른 온도 변화가 심하게 발생하여 합성수지관이 수축 또는 이완되면서 연결부분에서 누수가 발생되는 결점이 있었다.And utility model registration No. 164483 is a structure that must be slightly curved at the connection part according to the underground structure when sewage pipes are connected, but can only be connected in a straight shape. There was a drawback of leaking at the joints as the resin tube contracted or relaxed.

또한 본 출원인이 선출원한 발명특허 제0396291호(2003. 8. 19. 등록)는 암수의 결합부에 형성된 돌출날개와 체결홈이 만나면서 결합되도록 하였다.In addition, Patent Application No. 0396291 (registered on Aug. 19, 2003), which is filed by the present applicant, is provided so that the protrusions and the coupling grooves formed at the coupling portion of the male and female meet and are coupled.

그러나 원터치 형으로 결합은 자유롭게 이루어지는 것이나, 분리되는 힘에 대하여 적응력이 부족하므로 강한 힘에 의해서는 결합상태가 해제될 가능성이 있으므로 지하에 매설된 후 분리되면 누수가 되는 원인이 된다.However, the one-touch coupling is free, but the lack of adaptability to the force to be separated, so the strong state may release the coupling state, buried underground, it is the cause of water leakage.

본 발명은 이러한 종래의 결점을 해소시킬 수 있도록 하는 것으로 일정길이의 합성수지관을 매설할 때 숫 결합부와 암 결합부를 상호 조립하면 결합 돌출부와 안내홈 그리고 결합홈부와 돌출부가 결합되면서 분리되지 않도록 결합상태가 안정되게 제공되는 것이다. The present invention is to be able to solve the above-mentioned drawbacks when the male coupling portion and the female coupling portion when assembling the synthetic resin tube of a certain length when the coupling protrusion and the guide groove and the coupling groove and the protrusion is combined so as not to be separated The state is provided stably.

본 발명은 결합 돌출부에 형성된 구멍에 안내홈에 형성된 구멍 조립돌기가 결합되고 결합 돌출부 선단의 고정돌턱이 돌턱 조립홈에 결합되면서 외측에서 고정밴드로 조여지면 4단계의 결합력으로 결합상태가 전혀 해제되지 않도록 하는 것이다.The present invention is coupled to the hole assembly protrusion formed in the guide groove to the hole formed in the coupling protrusion and the fixing protrusion of the tip of the coupling protrusion is coupled to the stone jaw assembly groove and tightened by the fixing band from the outside, the coupling state is not released at all by the four stages of coupling force. It is to avoid.

본 발명은 내경에 조립공이 형성되며 외측으로 결합 돌출부와 결합홈부가 연속되게 형성되고 결합 돌출부의 일측으로 걸림턱이 돌출된 암 결합부와,The present invention is an assembly hole is formed in the inner diameter and the engaging projection and the engaging groove portion is formed continuously to the outside and the arm engaging portion protruding the engaging projection to one side of the engaging projection,

상기 결합 돌출부가 위치하는 안내홈과 돌출부가 연속되게 형성되고 안내홈의 일측으로 걸림턱이 위치하는 고정턱이 형성되고 전방에 삽입축을 설치한 숫 결합부와,A male coupling part in which a guide groove in which the coupling protrusion is located and a protrusion are continuously formed, and a fixing jaw in which a locking jaw is positioned to one side of the guide groove is formed, and an insertion shaft is installed in front;

상기 암 결합부와 숫 결합부가 결합되어 합성수지관이 연결되도록 함을 특징으로 하는 것이다.The female coupling portion and the male coupling portion is characterized in that the synthetic resin pipe is connected.

본 발명은 주로 하수관으로 사용되는 합성수지관(1)의 일측으로 암 결합부(2)를 형성하고, 반대쪽에는 암 결합부(2)와 조합이 가능한 형태의 숫 결합부(3)를 형성하여 합성수지관(1)을 연속해서 이음 연결이 가능하도록 하는 것이다.The present invention forms a female coupling portion (2) on one side of the synthetic resin pipe (1) mainly used as a sewage pipe, the synthetic resin by forming a male coupling portion (3) of the form that can be combined with the female coupling portion (2) on the opposite side The pipe (1) is to enable a continuous joint connection.

상기 암 결합부(2)는 내부에는 삽입축(11)이 조립되는 조립공(10)이 형성되고 일측으로 적어도 2∼6곳 이상에서 결합 돌출부(4)와 결합 홈부(5)가 번갈아 가면서 형성되어 있다.The female coupling portion 2 is formed in the assembly hole 10 to the insertion shaft 11 is assembled therein, and the coupling protrusion 4 and the coupling groove 5 are alternately formed at least two to six places on one side. have.

상기 결합 돌출부(4)는 돌출된 선단의 한쪽으로 직각되게 돌출되어 있으며, 중앙부분에 구멍(7)이 형성되어 있고, 외측의 내경에는 고정돌턱(8)이 형성되고 외경에는 고정밴드(20)가 위치하는 체결홈(9)이 형성되어 있다.The coupling protrusion 4 protrudes at a right angle to one side of the protruding tip, and a hole 7 is formed at the center portion thereof, and a fixing protrusion 8 is formed at an inner diameter of the outer side and a fixing band 20 at an outer diameter thereof. The fastening groove 9 in which is located is formed.

상기 숫 결합부(3)는 전방으로 패킹홈(12)이 형성되어 패킹(13)이 삽입되는 삽입축(11)이 설치된다.The male coupling portion 3 is provided with an insertion shaft 11 into which a packing groove 12 is formed and into which the packing 13 is inserted.

상기 삽입축(11)의 안쪽에는 결합 돌출부(4)가 삽입될 때 안내되어 결합되는 안내홈(15)이 형성되고, 안내홈(15)이 없는 부분에는 돌출부(14)가 형성되어 있어서 결합 돌출부(4)는 안내홈(15)에, 결합홈부(5)는 돌출부(14)에 각각 결합되어 있다.Inside the insertion shaft 11 is formed a guide groove 15 which is guided and coupled when the coupling protrusion 4 is inserted, and a protrusion 14 is formed in a portion without the guide groove 15, so that the coupling protrusion 4 is coupled to the guide groove 15, the coupling groove 5 is coupled to the protrusion 14, respectively.

상기 안내홈(15)에는 걸림턱(6)이 걸려 분리되지 않는 고정턱(16)이 형성되고 중앙에는 구멍(7)에 결합되는 구멍 조립돌기(17)를 형성한다.The guide groove 15 is provided with a fixing jaw 16 is formed in which the locking jaw (6) is not caught and separated from the guide groove (15) forms a hole assembly projection (17) coupled to the hole (7).

상기 안내홈(15)은 입구쪽은 넓고 안으로 들어갈수록 좁게 형성하여 결합 돌출부(4)의 삽입이 편리하도록 하였다.The guide groove 15 has a wider entrance and narrower as it enters to facilitate insertion of the engaging protrusion 4.

상기 돌출부(14)의 안쪽과 안내홈(15)의 일측에는 고정밴드(20)가 위치하는 체결홈(18)이 형성되어 있다.A fastening groove 18 in which the fixing band 20 is positioned is formed at one side of the protrusion 14 and the inner side of the protrusion 14.

상기 안내홈(15)의 안쪽에는 고정돌턱(8)이 결합되는 돌턱 조립홈(19)이 형성되어 있으며, 고정밴드(20)는 볼트(21)와 너트(22)를 통하여 체결홈(9, 18)에서 결합된다.The inside of the guide groove 15 is formed with a jaw assembly groove 19 is coupled to the fixing projections (8), the fixing band 20 through the bolt 21 and the nut 22 fastening groove (9, 18) are combined.

상기 체결홈(9, 18)에 삽입되는 고정밴드(20)는 녹이 잘 발생하지 않는 스테인레스 재질을 사용하는 것이며, 링이 아닌 밴드형태의 것을 사용하는 것도 가능하다.Fixing band 20 is inserted into the fastening grooves (9, 18) is to use a stainless material that does not occur rust well, it is also possible to use a band form of the ring.

이러한 구성으로 이루어진 본 발명은 내부에 사각형 또는 원형의 프로파일이 나선형으로 공급되어 이중벽 또는 삼중벽을 성형하는 합성수지관(1)의 양선단에 암 결합부(2)와 숫 결합부(3)를 맞대기 형태로 성형시키거나, 금형을 이용하여 프레스 작업으로 성형하는 것이다.According to the present invention having such a configuration, a rectangular or circular profile is spirally supplied therein so that the female coupling portion 2 and the male coupling portion 3 are opposed to both ends of the synthetic resin pipe 1 forming a double wall or triple wall. It is molded in the form, or it is molded by press working using a metal mold | die.

암 결합부(2)와 숫 결합부(3)를 결합시키되 숫 결합부(3)의 전방에 형성된 패킹홈(12)에는 패킹(13)이 미리 삽입되어 있으며, 암 결합부(2)의 결합 돌출부(4)가 숫 결합부(3)의 안내홈(15)에 결합되도록 상호 조립한다.The female coupling part 2 and the male coupling part 3 are coupled, but the packing 13 is inserted in advance in the packing groove 12 formed in front of the male coupling part 3, and the coupling of the female coupling part 2 is performed. The protrusions 4 are assembled to each other so as to be coupled to the guide groove 15 of the male coupling portion (3).

그러면 숫 결합부(3)의 삽입축(11)이 조립공(10)에 삽입되면서 암 결합부(2)의 결합 돌출부(4)가 안내홈(15)을 통하여 진행된다.Then, the insertion shaft 11 of the male coupling portion 3 is inserted into the assembly hole 10 and the coupling protrusion 4 of the female coupling portion 2 is advanced through the guide groove 15.

결합 돌출부(4)가 구멍 조립돌기(17)에 걸리면서 외측으로 들렸다가 다시 탄성력으로 복귀되면서 구멍 조립돌기(17)가 구멍(7)과 결합되는 동시에 걸림턱(6)이 고정턱(16)의 안쪽에 결합된다.As the engaging projection 4 is caught out of the hole assembly protrusion 17 and lifted out again to return to the elastic force, the hole assembly protrusion 17 is engaged with the hole 7 and the locking jaw 6 is fixed to the fixing jaw 16. Are combined inside.

즉, 암 결합부(2)와 숫 결합부(3)가 결합되면 결합 돌출부(4)가 안내홈(15)과 결합이 되면서 1차로 결합이 완성된다.That is, when the female coupling part 2 and the male coupling part 3 are combined, the coupling protrusion 4 is coupled with the guide groove 15 and the coupling is completed first.

이때, 고정돌턱(8)은 안내홈(15)의 돌턱 조립홈(19)에 결합되므로 암 결합부(2)와 숫 결합부(3)가 결합되면 걸림턱(6)과 고정턱(16), 구멍(7)과 구멍 조립돌기(17) 및 고정돌턱(8)과 돌턱 조립홈(19)이 각각 결합되므로 분리가 불가능하도록 3단계로 결합이 이루어진다.At this time, the fixing step 8 is coupled to the stepping assembly groove 19 of the guide groove 15, so when the arm coupling portion 2 and the male coupling portion 3 is coupled to the locking jaw (6) and fixing jaw (16) , Since the hole 7 and the hole assembly protrusion 17 and the fixing step 8 and the stepping groove 19 are combined, respectively, the coupling is performed in three stages so as not to be separated.

여기서 고정밴드(20)를 이용하여 체결홈(9, 18)을 감고 볼트(21)와 너트(22)를 이용하여 고정시키면 최종적으로 결합 돌출부(4)가 고정되므로 조립이 견고하게 완료된다.When the fastening grooves 9 and 18 are wound using the fixing bands 20 and fixed using the bolts 21 and the nuts 22, the coupling protrusions 4 are finally fixed, so that the assembly is completed firmly.

따라서 상기에 설명한 대로 3단계의 결합에 고정밴드(20)를 결합시키게 되면 전체적으로 4단계의 결합을 제공하므로 어떠한 외력에도 분리되지 않는 견고한 결합력을 제공할 수 있게 된다.Therefore, when the fixing band 20 is coupled to the three-stage coupling as described above, the four-stage coupling is provided as a whole, thereby providing a firm coupling force not separated by any external force.

상기 결합 돌출부(4)와 결합되는 안내홈(15)을 각각 6곳씩 성형하였으나, 필요에 따라서 2∼5등분되거나 그 이상의 다등분 되어서 서로 결합되거나 분리할 수 있는 것이다.Each of the guide grooves 15 coupled to the coupling protrusions 4 is formed in six places, but may be divided into two to five equal parts or more into multiple equal parts as necessary.

암 결합부(2)와 숫 결합부(3)가 모두 조립이 완료되면 외관보다 더 돌출되지 않고 조립이 이루어질 수 있는 것이다.When both the female coupling portion 2 and the male coupling portion 3 is completed, the assembly can be made without protruding more than the appearance.

본 발명은 일정길이의 합성수지관을 매설할 때 숫 결합부와 암 결합부를 상호 조립한 후 결합부의 외측에 형성된 체결홈에 체결링을 조립하면 양측에서 견고한 결합으로 결합상태를 안정되게 보장할 수 있는 효과를 제공하는 것이다.The present invention is to assemble the male coupling part and the female coupling part when embedding a certain length of the synthetic resin pipe and then assembling the fastening ring in the coupling groove formed on the outer side of the coupling portion can ensure a stable coupling state with a solid coupling on both sides To provide an effect.

본 발명은 암 결합부와 숫 결합부가 상호 요철형태로 형성되어 원터치 형으로 간편하게 결합할 수 있는 동시에 안정되게 결합되도록 하는 것이다.The present invention is to allow the female coupling portion and the male coupling portion is formed in the shape of the mutual concave-convex shape can be easily combined in a one-touch type and at the same time stable.

본 발명은 걸림턱과 고정턱, 구멍과 구멍 조립돌기, 고정돌턱과 돌턱 조립홈, 체결홈의 고정밴드 결합으로 4단계의 결합력을 제공하여 정확하고 견고한 결합력을 제공하는 것이다.The present invention is to provide an accurate and solid coupling force by providing a four-step coupling force by the locking jaw and the fixing jaw, the hole and the hole assembly protrusion, the fixing protrusion and the stone jaw assembly groove, the fixing band of the coupling groove.

도 1 은 본 발명의 바람직한 실시예를 나타낸 분리사시도1 is an exploded perspective view showing a preferred embodiment of the present invention

도 2 는 본 발명의 결합상태 단면도2 is a cross-sectional view of the coupling state of the present invention

도 3 은 본 발명의 숫 결합부에 대한 일부 단면도3 is a partial cross-sectional view of the male coupling portion of the present invention

도 4 는 본 발명의 숫 결합부에 대한 측면도Figure 4 is a side view of the male coupling of the present invention

도 5 는 본 발명의 암 결합부에 대한 일부 단면도5 is a partial cross-sectional view of the arm coupling of the present invention

도 6 은 본 발명의 암 결합부에 대한 측면도Figure 6 is a side view of the arm coupling portion of the present invention

[도면의 주요부분에 대한 부호의 설명][Explanation of symbols on the main parts of the drawings]

1 : 합성수지관 2 : 암 결합부1: synthetic resin pipe 2: female coupling part

3 : 숫 결합부 4 : 결합 돌출부3: male coupling portion 4: coupling protrusion

5 : 결합 홈부 6 : 걸림턱5: engaging groove portion 6: locking jaw

7 : 구멍 8 : 고정돌턱7: hole 8: fixed jaw

9, 18 : 체결홈 10 : 조립공9, 18: fastening groove 10: assembly hole

11 : 삽입축 12 : 패킹홈11: Insertion shaft 12: Packing groove

13 : 패킹 14 : 돌출부13 packing 14 protrusion

15 : 안내홈 16 : 고정턱15: guide groove 16: fixed jaw

17 : 구멍 조립돌기 19 : 돌턱 조립홈17: hole assembly projection 19: stone jaw assembly groove

20 : 고정밴드20: fixed band

Claims (3)

합성수지관(1)의 양측에서 상호 결합하고 체결홈에 고정밴드(20)를 이용하여 고정시켜서 관을 연결하는 연결장치에 있어서,In the connecting device for connecting the pipes by mutually coupling at both sides of the synthetic resin pipe (1) and fixed to the fastening groove using a fixing band (20), 내경에 조립공(10)이 형성되며 외측으로 결합 돌출부(4)와 결합홈부(5)가 연속되게 형성되고 결합 돌출부(4)의 일측으로 걸림턱(6)이 돌출된 암 결합부(2)와,An assembly hole 10 is formed in the inner diameter, and the coupling protrusion 4 and the coupling groove 5 are continuously formed to the outside, and the arm coupling portion 2 having the locking jaw 6 protruding toward one side of the coupling protrusion 4 and , 상기 결합 돌출부(4)가 위치하는 안내홈(15)과 돌출부(14)가 연속되게 형성되고 안내홈(15)의 일측으로 걸림턱(6)이 위치하는 고정턱(16)이 형성되고 전방에 삽입축(11)을 설치한 숫 결합부(3)와,The guide groove 15 and the protrusion 14 in which the coupling protrusion 4 is positioned are continuously formed, and the fixing jaw 16 in which the locking jaw 6 is located is formed at one side of the guide groove 15 and is located in front of the guide groove 15. A male coupling part 3 provided with an insertion shaft 11, 상기 암 결합부(2)와 숫 결합부(3)가 결합되어 합성수지관(1)이 연결되도록 함을 특징으로 하는 조립 연결용 합성수지관.The female coupling part 2 and the male coupling part 3 is coupled to the synthetic resin tube, characterized in that the synthetic resin tube (1) is connected. 제1항에 있어서, 암 결합부(2)에 구멍(7)을 형성하고 숫 결합부(3)에 구멍 조립돌기(17)를 설치함을 특징으로 하는 조립 연결용 합성수지관.2. A synthetic resin pipe for assembling and connecting according to claim 1, wherein a hole (7) is formed in the female coupling part (2) and a hole assembly protrusion (17) is installed in the male coupling part (3). 제1항에 있어서, 암 결합부(2)의 선단 내경에 고정돌턱(8)을 설치하여 안내홈(15)의 안쪽에 형성된 돌턱 조립홈(19)에 결합되도록 설치함을 특징으로 하는 조립 연결용 합성수지관.According to claim 1, Assembling connection, characterized in that the installation to be coupled to the stepping assembly groove 19 formed on the inside of the guide groove 15 by installing a fixed projection 8 in the inner diameter of the distal end of the arm coupling portion (2) Synthetic resin pipes.
KR10-2003-0068108A 2003-09-30 2003-09-30 a KR100528714B1 (en)

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Cited By (5)

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KR100868490B1 (en) * 2008-06-30 2008-11-12 주식회사 용전 Structure for coupling of resin pipe
KR101278691B1 (en) * 2012-08-14 2013-06-24 (주)인텔리지오 Water sampling pipe
CN107524880A (en) * 2017-09-08 2017-12-29 贵州联创管业有限公司 One kind connects efficiently HDPE feed pipes
CN113294616A (en) * 2021-05-26 2021-08-24 湖南贯通新材料科技有限公司 PVC pipe connecting equipment and application thereof
KR102583372B1 (en) * 2023-01-25 2023-10-04 문성준 Coupling for hose twist prevention with enhanced sealing

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KR100640551B1 (en) 2004-10-05 2006-11-15 주식회사 에스피 Connection structure of double wall sewage pipe
KR101010656B1 (en) 2008-06-13 2011-01-25 주식회사 평화 Pipe connector for underground pipe
KR101049514B1 (en) 2008-11-13 2011-07-14 (주)한미글로벌건축사사무소 Ready-made reinforced concrete pile with detachable upper pile
KR102430706B1 (en) * 2022-03-31 2022-08-10 주식회사 피봇기술 tailback connecting pipe

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868490B1 (en) * 2008-06-30 2008-11-12 주식회사 용전 Structure for coupling of resin pipe
KR101278691B1 (en) * 2012-08-14 2013-06-24 (주)인텔리지오 Water sampling pipe
CN107524880A (en) * 2017-09-08 2017-12-29 贵州联创管业有限公司 One kind connects efficiently HDPE feed pipes
CN113294616A (en) * 2021-05-26 2021-08-24 湖南贯通新材料科技有限公司 PVC pipe connecting equipment and application thereof
KR102583372B1 (en) * 2023-01-25 2023-10-04 문성준 Coupling for hose twist prevention with enhanced sealing

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