KR100809283B1 - Drainage sphere - Google Patents

Drainage sphere Download PDF

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Publication number
KR100809283B1
KR100809283B1 KR1020060099191A KR20060099191A KR100809283B1 KR 100809283 B1 KR100809283 B1 KR 100809283B1 KR 1020060099191 A KR1020060099191 A KR 1020060099191A KR 20060099191 A KR20060099191 A KR 20060099191A KR 100809283 B1 KR100809283 B1 KR 100809283B1
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KR
South Korea
Prior art keywords
sewage
main body
cutoff
bacteria
stopper
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Application number
KR1020060099191A
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Korean (ko)
Inventor
박희범
Original Assignee
박희범
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Application filed by 박희범 filed Critical 박희범
Priority to KR1020060099191A priority Critical patent/KR100809283B1/en
Priority to PCT/KR2007/005019 priority patent/WO2008044904A1/en
Application granted granted Critical
Publication of KR100809283B1 publication Critical patent/KR100809283B1/en

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/298—Odour seals consisting only of non-return valve
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/126—Installations for disinfecting or deodorising waste-water plumbing installations
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • E03C1/2306—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the plug being operated by hand contact
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • E03C2001/2317—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms transmission of actuation force involves a spring
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

A drain structure is promote the convenience of use and to prevent the unpleasantness caused by sewage bacteria and offensive odors by preventing the propagation of bacteria and cutting off an offensive odor and removing sewage sludge easily and simply. A drain structure is formed by coupling a fixing screw of a one-touch pop-up device to a fixing thread(17') of a support of a main body, and coupling a left thread of a cutoff plate(22) to a left screw of the one-touch pop-up device, wherein the cutoff plate is located in the lower part of a cutoff membrane(23), so that an opening and closing unit is located in the lower part of the support of the main body to discharge sewage completely by lifting up the cutoff membrane with water pressure caused by cutting off sewage flew in an inlet of the main body with the cutoff plate and making the sewage have push-out pressure, and to cut off air by releasing pressure after sewage is discharged, and descending the cutoff membrane with gravity and adhering closely to the circumference of the cutoff plate. In addition, a drain stopper is installed to the upper part of the main body by inserting a central bar of the one-touch pop-up device into a central pipe of a filter, and kept antibiotics in a case to spread out through a circulation groove and a circulation hole.

Description

배수구체{omitted}Drainage sphere

제 1도, 본 발명의 정단면도,1 is a front cross-sectional view of the present invention,

제 2도, 본 발명의 작동 상태 설명도,2 is an explanatory diagram of an operating state of the present invention,

제 3도, 본 발명의 A-A선 단면도,3 is a cross-sectional view taken along the line A-A of the present invention,

제 4도, 본 발명의 일부 상세도,4, some detailed views of the present invention,

＊도면의 주요 부분에 대한 부호의 설명＊＊ Explanation of symbols for main parts of drawing *

100 : 본체 10 : 지지부100: main body 10: support portion

11 : 상부플랜지 11' : 유입구11: upper flange 11 ': inlet

12 : 상부패킹 13 : 하부관12: upper packing 13: lower tube

15 : 걸름부 16 : 배출구멍15: filter part 16: the discharge hole

17 : 연결띠 17': 고정나사부17: connecting strip 17 ': fixing screw

20 : 개폐부 21 : 왼나사부20: opening and closing part 21: left hand thread

22 : 차단판 23 : 차단막22: blocking plate 23: blocking film

30 : 원터치 폽업장치 30' : 조립통30: one-touch pop-up device 30 ': assembly barrel

31 : 누름부재 32 : 고정나사31: pressing member 32: fixing screw

32' : 왼나사 33 : 중심봉32 ': Left hand thread 33: Center rod

35 : 압력스프링 50 : 배수구 마개35: pressure spring 50: drain plug

51 : 보호커버 52 : 마개 상판51: protective cover 52: stopper top

53 : 마개 본체 55 : 마개 패킹53: stopper body 55: stopper packing

56 : 마개 중심부 56' : 유통홈56: plug center 56 ': distribution home

57 : 보관함 58 : 유통공57: storage box 58: distributor

60 : 걸름부 61 : 중심파이프60: filter 61: center pipe

62 : 걸름망 70 : 배출구62: strainer 70: outlet

본 발명은 배수구체에 관한 것으로, 종래에는 역류하는 하수구 악취를 차단하기 위하여 배수 트랩 하부 잔류통에 하수를 조금 가두어 악취의 역류를 막는 봉수 방식을 사용하였다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage sphere. In the related art, in order to block backwater drainage odors, a sewage system is used in which a small amount of sewage is confined in a residual container under the drainage trap to prevent backflow of odors.

그러나, 잔류 하수 속에는 찌꺼기가 섞여 있고 잔류통 내부 면에는 부패된 점성 물질이 붙어 있어 잔류통 속의 물은 세균이 번식되며, 이 물의 증발로 실내에는 하수구에서 발생한 세균이 확산된다. 이에 따라 잔류통을 없애 봉수를 하지 않고 수압을 이용한 여닫이 개폐장치 방식의 배수구체가 발명된 바 있으나, 상기 배수구체는 이물질 등이 끼어 여닫이 개폐장치가 제대로 작동하지 않는 등 하수의 배출과 악취 차단에 불안정한 모습을 보인다.However, residues in the sewage are mixed and decayed viscous material is attached to the inner surface of the residual container, so that the bacteria in the water in the residual container propagate. Accordingly, the opening and closing method of the opening and closing device using the hydraulic pressure without removing the residual container was invented, but the opening and closing device is unstable in the discharge of sewage and odor prevention, such as the opening and closing device is not working properly due to foreign matters. Looks.

본 발명은, 걸러진 찌꺼기에 세균 증식과 발생을 막고 악취를 차단하며, 사 용자에게 찌꺼기를 쉽고 간단하게 제거할 수 있도록 하여 사용의 편리성을 갖게 하고, 하수 세균, 악취로 인한 불쾌함을 제거하기 위한 것이다.The present invention, to prevent the growth and development of bacteria in the filtered debris to block the odor, to make it easy and simple to remove the residue to the user to make the convenience of use, to remove the discomfort caused by sewage bacteria, odor It is for.

이를 위해 지하의 하수관과 연계되어 배수구체를 설치하도록 형성된 배출구에 배수구체를 설치함에 있어, 본체 지지부의 상부플랜지 테두리에는 상부패킹을 구성하고 지지부의 하부에는 중심에 형성된 고정나사부에 공지된 원터치 폽업장치를 결합하여 구성하고 하부 둘레에는 사다리꼴의 관형 차단막 상단을 걸림부에 고정하여 설치하는데, 이 차단막의 상부쪽은 유연성이 있는 것이 좋다.To this end, in installing the drain hole in the outlet formed to install the drain hole in connection with the underground sewer pipe, the one-touch pop-up device known as a fixing screw formed at the center of the upper flange at the upper flange rim of the main body support and formed at the center of the lower part of the support Combining the configuration and the lower periphery of the trapezoidal tubular barrier is fixed to the locking portion is installed, the upper side of the barrier is preferably flexible.

본체와 일체된 원터치 폽업장치의 하부 왼나사에 차단판을 결합 고정시키는데, 이 때 차단판의 외형은 차단막 하부 내면에 접촉되어 밀폐성을 갖도록 구성하여야 한다.The barrier plate is fixedly coupled to the lower left hand thread of the one-touch pop-up device integrated with the main body, and the outside of the barrier plate should be configured to be in contact with the inner surface of the barrier membrane to have a hermetic seal.

본체의 몸통인 지지부 내 상부에는 공지된 걸름부를 갖춘 배수구 마개를 삽입시켜 구성하는데, 이 배수구 마개는 마개 몸통의 내부에 빈 공간을 두고 여기에 항균 물질 등을 내장하여 항균 물질이 유통홈과 유통공을 통하여 걸름망 하부로 확산되도록 하였다.The upper part of the support body, which is the body of the main body, is formed by inserting a drain plug with a well-known part. The drain plug has an empty space inside the cap body and has an antibacterial material incorporated therein so that the antibacterial material is distributed to the distribution groove and the distribution hole. Through the spread to the bottom of the strainer.

이로써, 세균 발생의 원인이 되는 봉수를 하지 않고 하수 악취의 역류를 막고 걸러진 찌꺼기에도 세균 발생을 막으며 찌꺼기도 편하고 쉽게 처리할 수 있는 배수구체를 제공하고자 한다.Accordingly, to prevent the backflow of sewage odor without causing water to cause the occurrence of bacteria, and to prevent the occurrence of bacteria in the filtered debris and to provide a drain spout that can be easily and easily treated.

다음 본 발명을 도면에 의거하여 상세히 설명하겠다.Next, the present invention will be described in detail with reference to the drawings.

배수구체인 본체(100)의 지지부(10)는 원기둥형으로 상단에는 상부플랜지(11)가 형성되는데 그 테두리에는 하수 배출구(70)에 결합시킬 때 틈이 없도록 하기 위해서 실리콘 고무인 상부패킹(12)을 구성한다. 지지부(10)의 하부에는 일정 길이에서 하단까지 구경을 자연스레 좁혀 하부관(13)을 형성하여 하단의 배출구멍(16)이 상단의 유입구(11')보다 구경이 작게 하며, 그 끝단 내주면에 구의 중심으로 향하는 연결띠(17)를 두 세 개 구성하여 중심에 위치하는 고정나사부(17')와 일체되게 형성함으로써 공간부가 배출구멍(16)이 되는 것이다.The support portion 10 of the main body 100, which is a drainage sphere, has a cylindrical shape, and an upper flange 11 is formed at an upper end thereof. The upper packing 12, which is silicone rubber, is formed at its edge so that there is no gap when it is coupled to the sewage outlet 70. Configure. In the lower part of the support part 10, the diameter is naturally narrowed from a predetermined length to the lower end to form a lower tube 13 so that the lower discharge hole 16 has a smaller diameter than the inlet 11 'of the upper end. By forming two or three connecting bands 17 toward the center of the sphere and forming them integrally with the fixing screw part 17 'positioned at the center, the space part becomes the discharge hole 16.

또한 하부관(13) 외주면에는 걸림부(15)를 형성하여 차단막(23)의 상단부가 고착될 수 있게 구성한다. 이 차단막(23)의 형상은 사다리꼴의 관형이며 상단면은 내면으로, 하단면은 외면으로 볼록하게 돌출하여 띠를 형성한다.In addition, the outer circumferential surface of the lower tube 13 is formed to engage the upper end of the blocking film 23 by forming a catching portion (15). The shielding film 23 has a trapezoidal tubular shape, and an upper surface is convexly projected to the inner surface and a lower surface is formed to form a strip.

차단판(22)은 고정나사부(17')의 하부에 위치하는데 형상은 원판형으로 중앙은 볼록하게 튀어 올라 중심에 왼나사가 절삭된 왼나사부(21)가 형성되었으며, 이를 중심으로 사방으로 내리막으로 형성되었는데 그 크기는 차단막(23)의 하부 내에 있어야 한다.The blocking plate 22 is located at the lower part of the fixing screw portion 17 '. The shape of the blocking plate 22 is protruded convexly in the center to form a left screw portion 21 in which a left screw is cut at the center thereof. It should have been formed and its size should be within the bottom of the barrier 23.

지지부(10) 내에 구성되는 원터치 폽업장치(30)는 이미 공지된 것으로 조립통(30') 내부에서 상부로부터 중심봉(33), 누름부재(31) 등과 압력스프링(35) 등이 있으며, 고정나사(32)와 왼나사(32')가 일체로 조립통(30') 외부 하면에 결합 형성되어 있다.The one-touch pop-up device 30 configured in the support 10 is already known and includes a central rod 33, a pressing member 31, a pressure spring 35, and the like from the top inside the assembly barrel 30 ', and a fixing screw. The 32 and the left screw 32 'are integrally formed on the outer bottom surface of the assembly barrel 30'.

걸름부(60)는 공지된 것으로 중심파이프(61)와 걸름망(62)으로 이루어졌으며, 중심파이프(61) 저면에는 요철을 형성해서 누름부재(31)의 상면과 접촉 시 틈 이 생기게 한다.The filtering part 60 is known and made of a center pipe 61 and a filtering net 62, and a bottom surface of the center pipe 61 forms an unevenness to cause a gap when contacting the upper surface of the pressing member 31.

배수구 마개(50)는 몸통에 내부 공간 확보를 위하여, 마개 본체(53), 마개 상판(52), 보호커버(51)로 이루어졌는데, 마개 본체(53)는 가운데가 움푹 패인 둥근 접시형으로 중심에는 저면으로부터 걸름부(60)의 중심파이프(61)를 관삽하기 위한 마개 중심부(56)가 중심이 천공된 채로 돌출되었는데, 돌출부 상단면에는 미세하게 유통홈(56')이 수 개 형성되었다. 또한 마개 중심부(56)의 저면에는 유통공(58)이 천공되었으며, 마개 본체(53)의 저면 측방에는 고리형의 실리콘 고무로 된 마개 패킹(55)을 구성한다.Drain plug 50 is made of a stopper body 53, a stopper top plate 52, a protective cover 51 in order to secure the internal space in the body, the stopper body 53 is the center of the round plate-shaped recessed center There was a stopper central portion 56 for piercing the center pipe 61 of the filtering portion 60 from the bottom surface protruded while the center of the perforation, the top surface of the protrusions finely formed a plurality of grooves (56 '). In addition, a distribution hole 58 is drilled in the bottom of the plug central portion 56, and a plug packing 55 made of an annular silicone rubber is formed on the bottom side of the plug body 53.

마개 상판(52)은 둥근 판형으로 마개 중심부(56)의 유통홈(56')과 유통공(58)을 통해서 공기가 유통될 수 있도록 되어야 한다.Plug top plate 52 has a round plate shape so that the air can be distributed through the distribution groove 56 'and the distribution hole 58 of the plug central portion (56).

보호커버(51)는 스테인리스 스틸 재질로서 마개 본체(53)와 마개 상판(52)을 결합한 후 마개 상판(52) 외면에서부터 밴딩 처리하여 마개 본체(53)와 마개 상판(52)을 일체화 한다. 이로써, 배수구 마개(50)는 몸통 내부에 보관함(57)이 형성되는 것이다.The protective cover 51 is made of stainless steel, and the stopper body 53 and the stopper top plate 52 are combined with each other, and the stopper body 53 and the stopper top plate 52 are integrated by bending the outer surface of the stopper top plate 52. As a result, the drain plug 50 is formed in the storage box 57 inside the body.

이상과 같은 마개 본체(53)의 저면 중앙 마개 중심부(56)의 구멍에 걸름부(60)의 중심파이프(61)를 압입하여, 걸름부(60)가 구비된 배수구 마개(50)를 이룬다.The center pipe 61 of the filter part 60 is press-fitted into the hole of the bottom center stopper center part 56 of the stopper main body 53 mentioned above, and the drain part stopper 50 provided with the filter part 60 is comprised.

이렇게 형성된 본 발명을 본체(100)의 지지부(10) 내에 상기의 원터치 폽업장치(30) 하부의 고정나사(32)를 지지부(10) 하단 고정나사부(17')에 결합시켜 구성하고, 그 저면으로부터 차단판(22)의 왼나사부(21)를 원터치 폽업장치(30)의 왼 나사(32')에 결합시킨다. 이 때, 차단판(22)은 그 둘레가 차단막(23) 내에 있어야 하며 위치는 차단막(23) 내 하부가 적당하다.The present invention thus formed is configured by coupling the fixing screw 32 of the lower part of the one-touch pop-up device 30 to the supporting screw 10 at the lower fixing screw portion 17 'in the supporting portion 10 of the main body 100, and the bottom surface thereof. From the left screw portion 21 of the blocking plate 22 to the left screw 32 'of the one-touch pop-up device 30. At this time, the blocking plate 22 should have a circumference in the blocking film 23 and a lower portion of the blocking plate 22 is appropriate.

이로써, 본체(100) 지지부(10)의 하부에는 개폐부(20)가 구성된다. 제 2도에서와 같이 이 개폐부(20)는 본체(100)의 유입구(11')로 유입된 하수를 차단판(22)으로 차단하면 하수는 사방으로 방향을 바꾸어 밀어내는 압력을 갖게 되고 이로 인한 수압 때문에 사다리꼴로 된 내면의 형성 각도로 인하여 차단막(23)은 걸림부(15)에 고착된 부분 아래에서 굴절되어 고정되지 않은 하부가 위로 올려지게 되어 하수가 배출되는 것이며, 하수가 배출되고 압력이 제거되면 차단막(23)은 그 자체 무게로 인한 중력에 의하여 차단막(23) 하부가 내려와서 차단판(22) 주변에 밀착되어 공기를 차단하게 된다. 이 동작은 배출되는 하수의 양에 따른 수압의 차이로 연동된다.Thus, the opening and closing portion 20 is configured under the main body 100 support 10. As shown in FIG. 2, when the opening and closing part 20 blocks the sewage flowing into the inlet 11 ′ of the main body 100 with the blocking plate 22, the sewage has a pressure to change direction in all directions and to push it. Due to the pressure of the trapezoidal inner surface due to the water pressure, the blocking film 23 is bent under the portion fixed to the catching portion 15 so that the unfixed lower portion is lifted up, and the sewage is discharged. When removed, the blocking film 23 is lowered by the gravity due to its own weight, the lower portion of the blocking film 23 comes in close contact with the blocking plate 22 to block the air. This operation is linked to the difference in water pressure depending on the amount of sewage discharged.

본체(100)의 상부에는 배수구 마개(50)를 마개 하부에 구성된 걸름부(60)의 중심파이프(61) 내로 원터치 폽업장치(30)의 중심봉(33)을 삽입시켜 유설한다. 이 때 배수구 마개(50)의 보관함(57) 내에는 항균 물질을 내장하여 유통홈(56')과 유통공(58)을 통하여 확산되도록 한다.In the upper part of the main body 100, the drain plug 50 is inserted into the center pipe 61 of the filter portion 60 formed in the lower part of the stopper to insert the center rod 33 of the one-touch pop-up device 30. In this case, the antimicrobial substance is embedded in the storage box 57 of the drain plug 50 so as to be diffused through the distribution groove 56 ′ and the distribution hole 58.

이상과 같이 본 발명의 배수구체는 본체 하부에 개폐부를 구성하여 하수의 완전 배출과 함께 악취 차단을 구현하였다. 잔류통에 하수를 조금 가두어 악취를 차단하는 기존의 봉수 방식은 잔류통에서 세균이 번식되어 실내 공기 중으로 확산되는 문제점이 있었다.As described above, the drain sphere of the present invention constitutes an opening and closing portion under the main body to implement odor blocking with complete discharge of sewage. The conventional water sealing method to block odor by trapping the sewage in the residual container has a problem in that bacteria are propagated in the residual container and diffused into the indoor air.

본 발명으로 이같은 문제점이 해결된다. 또한, 하수에 섞인 찌거기를 걸러내는 걸름망이 구성된 배수구 마개의 보관함에 항균 물질을 내장하여 이를 걸름망과 배수구체 내로 확산시켜 세균과 잔류 냄새를 제거하고 찌꺼기를 쉽고 편하게 처리하며, 배수구 마개를 필요에 따라 열고 닫게 하여 편리함과 함께 위생 상의 문제를 해결하였다.This problem is solved by the present invention. In addition, the built-in antibacterial material in the drainage stopper's storage box, which consists of a strainer for filtering wastes mixed with sewage, diffuses them into the strainer and drainage body to remove germs and residual odors, to process the residue easily and conveniently, and to drain drainage plugs as necessary. By opening and closing, it solves the hygiene problems with convenience.

Claims (2)

배수구체의 하부에 있어서,In the lower part of the drainage sphere, 수직으로 작용하는 하수의 하중을 사방으로 밀어내는 압력으로 전환되게 하는 원형의 차단판(22)을 배출구멍과 간격을 두고 배출구멍 하부에 구성하였으며,A circular block plate 22 was formed at the lower portion of the discharge hole at intervals from the discharge hole, so that the vertically actuated sewage load was converted into pressure to push in all directions. 그 둘레에는 사다리꼴 관형의 차단막(23)을 구성하여서 하수의 미는 압력과 차단막 자체의 무게로 인한 중력만으로 올라가고 내려가서 배출구멍의 개방과 밀폐를 반복하게 하는 개폐부(20)를 특징으로 한 배수구체.Its circumference comprises a trapezoidal tubular barrier (23) drainage characterized in that the opening and closing portion 20 to repeat the opening and closing of the discharge hole by going up and down only by gravity due to the pressure of the sewage and the weight of the barrier itself. 삭제delete
KR1020060099191A 2006-10-12 2006-10-12 Drainage sphere KR100809283B1 (en)

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KR1020060099191A KR100809283B1 (en) 2006-10-12 2006-10-12 Drainage sphere
PCT/KR2007/005019 WO2008044904A1 (en) 2006-10-12 2007-10-12 The drain

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KR200265950Y1 (en) 2001-11-27 2002-02-25 이승준 A drainageway

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KR930002499Y1 (en) * 1991-01-11 1993-05-13 이정진 Drainage trap
JP2620918B2 (en) * 1994-01-06 1997-06-18 株式会社土井不動産 Odor control trap for drainpipe

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Publication number Priority date Publication date Assignee Title
KR200265950Y1 (en) 2001-11-27 2002-02-25 이승준 A drainageway

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