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WO2022065639A1 - Dispositif de raccordement de tuyaux pvc - Google Patents

Dispositif de raccordement de tuyaux pvc Download PDF

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Publication number
WO2022065639A1
WO2022065639A1 PCT/KR2021/008448 KR2021008448W WO2022065639A1 WO 2022065639 A1 WO2022065639 A1 WO 2022065639A1 KR 2021008448 W KR2021008448 W KR 2021008448W WO 2022065639 A1 WO2022065639 A1 WO 2022065639A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastening
socket unit
pvc pipe
outer diameter
ring
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.)
Ceased
Application number
PCT/KR2021/008448
Other languages
English (en)
Korean (ko)
Inventor
전윤섭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teu In Plumbing Inc
Original Assignee
Teu In Plumbing Inc
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 Teu In Plumbing Inc filed Critical Teu In Plumbing Inc
Publication of WO2022065639A1 publication Critical patent/WO2022065639A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
    • 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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting 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
    • F16L47/08—Connecting 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 sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • F16L47/10—Connecting 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 sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket the sealing rings being maintained in place by additional means

Definitions

  • the present invention relates to a PVC pipe connecting device.
  • PVC pipes made of synthetic resin materials such as PVC are widely used.
  • PVC piping is manufactured to a certain standard due to restrictions on transportation and handling. Since the length of PVC pipe is not infinite, when connecting different PVC pipes in the longitudinal direction or connecting them by bending, PVC adhesive is mainly used because it is inexpensive and can be easily installed.
  • PVC adhesive when PVC adhesive is used, environmental problems may be caused due to the adhesive yarn, and harmful components of the adhesive may seriously damage the health of workers who use the adhesive.
  • PVC adhesive when constructing a pipe using PVC adhesive, if the PVC adhesive is incorrectly installed, it is difficult to correct it. Therefore, it is necessary to remove the installed part and re-construct the PVC pipe using the PVC adhesive. Also, if the PVC adhesive comes into contact with water in the PVC pipe, the PVC adhesive may change to a gel form by the water, or the PVC pipe may be clogged by the PVC adhesive.
  • Patent Document 1 Domestic Registration Office No. 20-0413821 (Registered on Apr. 05, 2006)
  • Embodiments of the present invention are to provide a PVC pipe connecting device that can effectively connect between PVC pipes without the use of an adhesive.
  • a PVC pipe connecting device for connecting different PVC pipes, comprising: a connector having fastening grooves formed at both ends; and a socket unit coupled to the fastening groove so that an end of the PVC pipe can be assembled, wherein the fastening groove includes: first fastening screw threads formed on inner diameter surfaces of both ends of the connector; a fastening inclined portion extending obliquely from the first fastening screw thread portion to a narrow inner diameter in a coupling direction of the socket unit; a second fastening screw thread extending from the fastening slope in a coupling direction of the socket unit; and a seating portion formed to be stepped in a coupling direction of the socket unit in the second fastening screw thread portion, wherein the socket unit includes a snap ring inserted into the seating portion; a fixing ring rotatably coupled to the second fastening screw thread portion so that the snap ring is in close contact with the seating portion; a coupling nut rotatably
  • the snap ring is provided in a ring shape having an outer diameter corresponding to the inner diameter of the seating portion, and when pressed by the fixing ring, a snap ring portion that is in close contact with the seating portion; and a plurality of snap locking portions provided in this shape along the circumferential direction of the snap ring portion, the snap engaging portion protruding obliquely in a direction between a coupling direction of the socket unit and an inner diameter direction of the snap ring portion.
  • the fixing ring may include a fixing ring portion provided in a ring shape having an outer diameter corresponding to the inner diameter of the seating portion on the outer diameter surface; and a fixing screw portion formed on an outer diameter surface of the fixing ring portion and configured to attach the snap ring to the seating portion through rotational coupling with the second fastening screw thread portion.
  • the coupling nut includes a nut body; a nut screw portion formed on an outer diameter surface of the front end side of the nut body portion so as to be rotationally coupled to the first fastening screw portion; And it is formed to protrude stepwise in the outer diameter direction from the rear end-side outer surface of the nut ring, the outer diameter may include a nut engaging portion having at least a larger diameter than the end-side outer diameter of the connecting portion.
  • a plurality of fixing grooves capable of clipping of the fastening tool are formed in the fixing ring in the circumferential direction, and the first fastening screw thread part, the fastening inclined part, the second fastening screw thread part and the seating part, In order to understand the assembly of the socket unit with respect to the connector, it may have an inner diameter that decreases sequentially in the coupling direction of the socket unit.
  • the elastic member may include an elastic ring portion that is smaller than the inner diameter of the first fastening screw thread portion and provides an outer diameter larger than the inner diameter of the second fastening screw thread portion; and the fastening slope
  • It may include an elastically inclined portion formed to be inclined on the outer diameter of the elastic ring portion to correspond to the inner diameter of the surface.
  • the elastic member further includes an elastic locking portion protruding from the elastic inclined portion in an outer radial direction, and the fastening groove is fastened so that the elastic locking portion is drawn in when the elastic member is inserted into the fastening inclined portion.
  • the inclined portion may further include a fastening groove formed in the form of a groove.
  • the elastic engaging portion is provided in a plurality of which are formed on the outer diameter surface of the elastic inclined portion in the insertion direction of the socket unit, wedge-shaped in the elastic inclined portion so that only one-way entry in the insertion direction of the socket unit is allowed. It protrudes, and the fastening groove portion may be formed in the shape of a plurality of wedge grooves formed in the insertion direction of the socket unit in the fastening inclined portion to correspond to the elastic locking portion.
  • the PVC pipe is defective in a movable fastening method, there is an effect that the height adjustment such as the gradient of the PVC pipe can be adjusted very simply.
  • FIG. 1 is an exploded perspective view showing a PVC pipe connecting device according to an embodiment of the present invention.
  • Figure 2 is a combined perspective view of a pipe coupled to the PVC pipe connecting device according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view showing the line “A-A” of FIG. 2 by cutting it.
  • FIG. 4 is an enlarged cross-sectional view of part "B" of FIG. 3 .
  • FIG. 5 is an enlarged cross-sectional view of part "B" of FIG. 3 according to another embodiment of the present invention.
  • a component when it is mentioned that a component is 'connected', 'supported', 'connected', 'supplied', 'transferred', or 'contacted' to another component, it is directly connected, supported, connected, It is to be understood that there may be supply, delivery, and contact, but other components may exist in between.
  • words including ordinal numbers such as 1st, 2nd, etc. may be used to describe various components, but the components are not limited by these words. These words are only used as adversaries to distinguish one component from another.
  • Figure 1 is an exploded perspective view showing a PVC pipe connecting device according to an embodiment of the present invention
  • Figure 2 is a combined perspective view of a pipe coupled to the PVC pipe connecting device according to an embodiment of the present invention
  • Figure 3 is 2 is a cross-sectional view showing a section “AA”
  • FIG. 4 is an enlarged cross-sectional view of a section “B” of FIG. 3 .
  • the PVC pipe connecting device 10 is coupled to the connector 100 having fastening grooves 110 formed at both ends thereof, and the fastening groove 110 . It may include a socket unit 200 that is.
  • the connector 100 may connect between different PVC pipes (P).
  • fastening grooves 110 may be formed at both ends of the connector 100 .
  • the fastening groove 110 may include a first fastening screw mountain part 111 , a fastening inclined part 112 , a second fastening screw thread part 113 , and a seating part 114 . Since the first fastening screw thread part 111, the fastening inclined part 112, the second fastening screw thread part 113 and the seating part 114 have inner diameters that are sequentially decreased in the coupling direction of the socket unit 200, , the socket unit 200 may be assembled to the connector 100 as follows.
  • the first fastening screw thread portions 111 of the connector 100 may be positioned at both ends of the connector 100 .
  • the first fastening screw thread portion 111 may be formed in the form of a screw thread along the circumferential direction at both ends of the inner diameter surface of the connector 100 .
  • the coupling nut 230 of the socket unit 200 may be rotationally coupled to the first fastening screw thread portion 111 .
  • the fastening inclined part 112 may provide an inclined surface extending obliquely so that the inner diameter of the first fastening screw thread part 111 in the coupling direction of the socket unit 200 is narrowed.
  • the second fastening screw thread portion 113 may be located at a point extending from the fastening inclined portion 112 in the coupling direction of the socket unit 200 .
  • the second fastening screw thread portion 113 may be formed in the form of a screw thread along the circumferential direction on the inner diameter surfaces of both ends of the connector 100 .
  • the fixing ring 220 of the socket unit 200 may be rotationally coupled to the second fastening screw thread portion 113 .
  • the seating part 114 may be located at a point extending from the second fastening screw thread part 113 in the coupling direction of the socket unit 200 .
  • the seating part 114 may be formed to be stepped in the coupling direction of the socket unit 200 in the second fastening screw thread part 113 .
  • the seating part 114 may include a first seating jaw part 114a, a second seating jaw part 114b, and a third seating jaw part 114c which are continuously disposed in the coupling direction of the socket unit 200 . there is.
  • the first seating jaw portion 114a may be provided in the form of a locking jaw in which the snap ring portion 211 of the snap ring 210 can be supported.
  • the second seating jaw portion 114b may be provided in the form of a stopping jaw having a smaller inner diameter than the first seating jaw portion 114a.
  • the second seating jaw portion 114b may provide a space in which the snap engaging portion 212 of the snap ring 210 is positioned.
  • the third seating portion 114 may be provided in the form of a locking jaw having an inner diameter smaller than that of the second seating jaw portion 114b.
  • the socket unit 200 may be coupled to the fastening groove 110 of the connector 100 for assembling between the ends of different PVC pipes (P).
  • the socket unit 200 may include a snap ring 210 , a fixing ring 220 , a coupling nut 230 , and an elastic member 240 .
  • the inner diameter of the snap ring 210, the fixing ring 220 and the coupling nut 230 may be manufactured to have the same diameter as the outer diameter of the PVC pipe (P).
  • the snap ring 210 may be inserted into the seating portion 114 .
  • the snap ring 210 pings the end of the PVC pipe (P), thereby improving the bonding force of the PVC pipe (P) to the connector (100). there is.
  • the snap ring 210 may include a snap ring portion 211 and a snap engaging portion 212 .
  • the snap ring portion 211 may be provided in a ring shape having an outer diameter corresponding to the inner diameter of the seating portion 114 .
  • the snap ring part 211 may have an O-ring shape. When pressed by the fixing ring 220 , the snap ring part 211 may be in close contact with the seating part 114 .
  • the snap engaging portion 212 is configured integrally with the snap ring portion 211, the snap ring portion 211 along the circumferential direction may be provided in plurality.
  • the snap engaging part 212 is formed to protrude obliquely in a direction between the coupling direction of the socket unit 200 and the inner diameter direction of the snap ring part, so that when the PVC pipe (P) is inserted into the connector 100, the snap ring 210 is The end of the PVC pipe (P) can be pinged.
  • the fixing ring 220 may be rotationally coupled to the second fastening screw thread portion 113 such that the snap ring 210 is in close contact with the seating portion 114 of the connector 100 .
  • the fixing ring 220 may be fixed so that the snap ring 210 is in close contact with the seating portion 114 of the connector 100 by pushing the snap ring 210 in the coupling direction of the socket unit 200 .
  • the fixing ring 220 may include a fixing ring portion 221 made of a plastic material, a fixing screw portion 222 , and a fixing groove portion 223 .
  • the fixing ring portion 221 of the fixing ring 220 may be provided in a ring shape having an outer diameter corresponding to the inner diameter of the seating portion 114 on the outer diameter surface.
  • a fixing screw portion 222 may be formed on the outer diameter surface of the fixing ring portion 221 .
  • the fixing screw part 222 may be provided in the form of a screw thread on the outer diameter surface of the fixing ring part 221 .
  • the fixing screw 222 may be rotatably coupled to the second fastening screw 113 to closely attach the snap ring 210 to the seating portion 114 .
  • the fixing groove 223 may be provided in the shape of a plurality of (for example, four) grooves formed as follows in the circumferential direction of the fixing ring 220 .
  • a fastening tool may be clipped to the plurality of fixing grooves 223 .
  • the fixing ring 220 is rotated by the rotation of the fastening tool, so the fixing screw 222 is the second fastening screw thread 113. ) can be rotationally coupled to
  • the coupling nut 230 may be rotationally coupled to the first fastening screw thread portion 111 of the connector 100 in order to attach the elastic member 240 to the fixing ring 220 .
  • the coupling nut 230 may include a nut body portion 231 , a nut screw portion 232 , and a nut engaging portion 233 .
  • the nut body portion 231 of the coupling nut 230 may be provided in the form of a nut as a whole.
  • the nut body part 231 may be formed in the form of a thread on the outer diameter surface of the front end side of the nut body part 231 .
  • the nut screw part 232 may be rotationally coupled to the first fastening screw thread part 111 .
  • the nut locking part 233 may be formed to protrude stepwise in the outer diameter direction from the outer diameter surface of the rear end of the nut ring part.
  • the outer diameter of the nut locking part 233 may have a diameter that is at least larger than the outer diameter of the end side of the connection part.
  • the outer diameter surface of the nut locking part 233 may be formed to be bent so as to be gripped by the operator.
  • the elastic member 240 may be formed in the form of a conical ring inclined in the coupling direction of the socket unit 200 .
  • the elastic member 240 may be provided between the fixing ring 220 and the coupling nut 230 for watertightness between the connector 100 and the socket unit 200 .
  • the elastic member 240 may be made of a Teflon material having excellent heat resistance and durability.
  • the inner diameter surface of the elastic member 240 is that of the PVC pipe (P). It can be fixed in close contact with the outer surface.
  • the elastic member 240 may include an elastic ring portion 241 and an elastic inclined portion 242 .
  • the elastic ring part 241 may provide an outer diameter smaller than the inner diameter of the first fastening screw thread part 111 and larger than the inner diameter of the second fastening screw thread part 113 .
  • the elastic inclined part 242 may be formed to be inclined on the outer diameter of the elastic ring part 241 to correspond to the inner diameter of the fastening inclined part 112 .
  • the inner diameter of the elastic ring portion 241 may have an inner diameter that is at least smaller than the outer diameter of the PVC pipe (P).
  • FIG. 5 is an enlarged cross-sectional view of part "B" of FIG. 3 according to another embodiment of the present invention.
  • the elastic member 240 may include an elastic ring portion 241 , an elastically inclined portion 242 and an elastically engaging portion 244 , and a fastening groove ( 110 , a first fastening screw thread part 111 , a fastening inclined part 112 , a second fastening screw thread part 113 , a seating part 114 , and a fastening groove part 116 may be included.
  • the elastic member 240 further includes an elastic engaging portion 244
  • the fastening groove 110 is a fastening groove portion 116 .
  • the elastic member 240 further includes a bar, and this difference will be mainly described, and the same description and reference numerals refer to the above-described embodiments.
  • the elastic locking part 244 may have a protruding structure that is formed to protrude from the elastically inclined part 242 in an outer radial direction.
  • the elastic locking portion 244 may be formed in a wedge shape so that only one-way entry in the insertion direction of the socket unit 200 is allowed.
  • the elastic engaging portion 244 may be provided in plurality in which the outer diameter surface of the elastically inclined portion 242 in the insertion direction of the socket unit 200 is formed.
  • the fastening groove part 116 may have a groove structure formed in the fastening inclined part 112 so that the elastic locking part 244 is drawn in when the elastic member 240 is inserted into the fastening inclined part 112 .
  • the fastening groove portion 116 may have a wedge groove shape corresponding to the wedge-shaped elastic engaging portion 244 .
  • the fastening groove 116 may be formed in the insertion direction of the socket unit 200 in the fastening inclined part 112 of the connector 100 .
  • the snap ring 210 of the socket unit 200 is inserted into the seating part 114 of the connector 100, and then, for fixing the snap ring 210 , the fixing ring 220 is continuously coupled to the second fastening screw thread portion 113 of the connector 100 .
  • the fixing screw portion 222 of the fixing ring 220 is rotationally coupled along the second fastening screw thread portion 113, and by pressing the snap ring 210, the snap ring 210 can be strongly fixed to the connector 100. there is.
  • the coupling nut 230 is connected in a state in which the elastic member 240 is inserted into the fastening inclined portion 112 of the connector 100 .
  • the first rotation is coupled to the first fastening screw thread portion 111 of the sphere 100 .
  • a certain interval is maintained between the elastic member 240 and the fixing ring 220 .
  • the end of the PVC pipe (P) is inserted into the connector (100).
  • the coupling nut 230 is coupled to the first fastening screw thread portion 111 of the connector 100 by secondary rotation.
  • the elastic member 240 may be fixed in close contact with the fixing ring 220 by the pressing of the coupling nut 230 , and the end-side outer surface of the PVC pipe (P) is in close contact with the inner diameter surface of the elastic member 240 . While being, the PVC pipe (P) can be strongly coupled to the connector (100).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Pressure Members (AREA)

Abstract

La présente invention concerne un dispositif de raccordement de tuyaux PVC. En particulier, un mode de réalisation de la présente invention comprend : un raccord aux deux extrémités duquel sont formées des rainures de fixation ; et des unités de douille accouplées aux rainures de fixation pour raccorder différents tuyaux en PVC, la rainure de fixation comprenant : des premières parties filets de fixation formées sur les surfaces diamétrales internes des deux extrémités du raccord ; une partie inclinée de fixation s'étendant obliquement de telle sorte que son diamètre interne est réduit dans la direction d'accouplement de l'unité de douille à partir de la première partie filet de fixation ; une seconde partie filet de fixation s'étendant dans la direction d'accouplement de l'unité de douille à partir de la partie inclinée de fixation ; et une partie de chargement conçue pour présenter des gradins dans la direction d'accouplement de l'unité de douille à partir de la seconde partie filet de fixation, et l'unité de douille peut comprendre : un anneau de retenue inséré dans la partie de chargement ; un anneau de fixation accouplé de manière rotative à la seconde partie filet de fixation de telle sorte que l'anneau de retenue entre en contact étroit avec la partie de chargement ; un écrou d'accouplement accouplé de manière rotative à la première partie filet de fixation ; et un élément élastique disposé entre l'anneau de fixation et l'écrou d'accouplement pour assurer une étanchéité à l'eau entre le raccord et l'unité de douille.
PCT/KR2021/008448 2020-09-28 2021-07-02 Dispositif de raccordement de tuyaux pvc Ceased WO2022065639A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0126170 2020-09-28
KR1020200126170A KR102262424B1 (ko) 2020-09-28 2020-09-28 Pvc 배관 연결장치

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Publication Number Publication Date
WO2022065639A1 true WO2022065639A1 (fr) 2022-03-31

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PCT/KR2021/008448 Ceased WO2022065639A1 (fr) 2020-09-28 2021-07-02 Dispositif de raccordement de tuyaux pvc

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WO (1) WO2022065639A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102262424B1 (ko) * 2020-09-28 2021-06-08 주식회사 트인공조 Pvc 배관 연결장치
KR102851220B1 (ko) * 2024-10-24 2025-08-27 주식회사 트인공조 배관 밀봉 연결구

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003056765A (ja) * 2001-08-14 2003-02-26 Comap 継手の外部から導管端部の接続を解除する方法及びそれに対応する連結装置
KR200344322Y1 (ko) * 2003-12-22 2004-03-09 구본한 그랩링을 구비한 파이프 연결 구조
KR20060111427A (ko) * 2006-09-30 2006-10-27 청호산업 주식회사 기밀성이 향상된 지관 커넥터 결합구조를 갖는 맨홀
KR20090007329U (ko) * 2008-01-16 2009-07-21 김진호 파이프용 연결 부재
KR20140070984A (ko) * 2012-12-03 2014-06-11 배원일 이중 기밀성을 갖는 엑스엘 파이프 연결구
KR102262424B1 (ko) * 2020-09-28 2021-06-08 주식회사 트인공조 Pvc 배관 연결장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200413821Y1 (ko) 2006-01-19 2006-04-11 홍인엽 파이프 연결구

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003056765A (ja) * 2001-08-14 2003-02-26 Comap 継手の外部から導管端部の接続を解除する方法及びそれに対応する連結装置
KR200344322Y1 (ko) * 2003-12-22 2004-03-09 구본한 그랩링을 구비한 파이프 연결 구조
KR20060111427A (ko) * 2006-09-30 2006-10-27 청호산업 주식회사 기밀성이 향상된 지관 커넥터 결합구조를 갖는 맨홀
KR20090007329U (ko) * 2008-01-16 2009-07-21 김진호 파이프용 연결 부재
KR20140070984A (ko) * 2012-12-03 2014-06-11 배원일 이중 기밀성을 갖는 엑스엘 파이프 연결구
KR102262424B1 (ko) * 2020-09-28 2021-06-08 주식회사 트인공조 Pvc 배관 연결장치

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