KR101416513B1 - The frost protection for portable toilets - Google Patents

The frost protection for portable toilets Download PDF

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Publication number
KR101416513B1
KR101416513B1 KR1020130005575A KR20130005575A KR101416513B1 KR 101416513 B1 KR101416513 B1 KR 101416513B1 KR 1020130005575 A KR1020130005575 A KR 1020130005575A KR 20130005575 A KR20130005575 A KR 20130005575A KR 101416513 B1 KR101416513 B1 KR 101416513B1
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South Korea
Prior art keywords
toilet
pipe
water pipe
hot air
water
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KR1020130005575A
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Korean (ko)
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유선필
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주식회사 에스엠비테크놀로지
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/09—Component parts or accessories
    • E03B7/10—Devices preventing bursting of pipes by freezing
    • E03B7/12—Devices preventing bursting of pipes by freezing by preventing freezing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1205—Small buildings erected in the open air
    • E04H1/1216—Public W.C.s
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/103—Means for stopping flow from or in pipes or hoses by temporarily freezing liquid sections in the pipe

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

The present invention relates to a portable toilet with a freeze protection function which forms a dual pipe by surrounding a water pipe buried in the bottom concrete of a toilet with a warm air pipe, supplying warm air to the warm air pipe when temperature drops in winder to prevent the water pipe from freezing, and thus partially keeping the water pipe warm without heating the inside of the toilet, thereby reducing energy consumption. According to the present invention, a portable toilet is configured to connect the end of a direct water pipe buried underground with a water pipe buried in the bottom concrete of the toilet and to connect a toilet part, a urinal part, and a washbowl part with the water pipe such that water supplies to the toilet part, the urinal part, and the washbowl part. A warm air pipe surrounds the outer peripheral of the water pipe buried in the bottom of the toilet to form a space between the water pipe and concrete, and a heater operating with electricity and a warm air generator with an air blower operating with a motor are arranged on the wall of the toilet, such that air from the air blower is heated by the heater and circulated into the warm air pipe to keep the water pipe warm.

Description

동파방지기능을 갖는 이동식 화장실{The frost protection for portable toilets}The frost protection for portable toilets < RTI ID = 0.0 >

본 발명은 동파방지기능을 갖는 이동식 화장실에 관한 것으로서, 더욱 상세하게는 화장실 바닥에 콘크리트로 매설되는 수관을 온풍관으로 감싸 이중관의 형태가 되도록 한 뒤, 겨울철 기온이 떨어지면 온풍관으로 온풍을 공급하여 수관이 동파되지 않도록 함으로써, 화장실 내부를 난방하지 않고 수관만 부분적으로 보온하기 때문에 에너지소비를 줄일 수 있는 동파방지기능을 갖는 이동식 화장실에 관한 것이다.More particularly, the present invention relates to a portable toilet having a freeze prevention function, more specifically, a water pipe embedded in concrete on the floor of a toilet is wrapped with a hot air pipe to form a double pipe, and when the temperature of winter falls, warm air is supplied to a hot air pipe The present invention relates to a portable toilet having a function of preventing freezing of a wastewater, which is capable of reducing energy consumption because the water pipe is partially kept warm without heating the inside of the toilet by preventing the water pipe from being frozen.

일반적으로 이동식 화장실은 야외에 설치되는데, 최근에는 화장실이 설치되는 장소마다 수도사업소에서 공급되는 직수관이 제공되므로 별도의 물탱크를 마련할 필요가 없다. 직수관은 땅에 매설되고 끝단은 지상으로 돌출되어 화장실의 수관과 연결된다. 이동식 화장실은 바람에 전복되지 않고 안정감을 갖도록 하기 위하여 바닥은 콘크리트를 타설하는데 이때 수관이 매설된다.Generally, the portable toilet is installed outdoors. In recent years, there is no need to provide a separate water tank because a direct water pipe supplied from a waterworks establishment is provided at every place where a toilet is installed. The running pipe is buried in the ground and the end is projected to the ground and connected to the water pipe of the toilet. In order to ensure that the portable toilet is not overturned in the wind and has a sense of stability, the concrete is laid on the floor, where the water pipes are buried.

종래에는 상기 수관이 겨울철 동파되지 않도록 하기 위하여 화장실 내부를 난방하거나 또는 수관을 정온전선으로 감싸 보온하는 등의 방법을 사용하였다. 그러나 화장실 내부를 난방할 경우 난방면적이 넓어 난방비용이 증가되는 단점이 있으며, 정온전선으로 수관을 감싸는 방식의 경우 누전의 위험이 있는 등의 불합리함이 있었다.Conventionally, in order to prevent the water tube from being frozen in the winter, a method of heating the inside of the toilet or warming the water pipe with a constant temperature wire was used. However, there is a disadvantage in that the heating cost is increased because the heating area is wide when the inside of the toilet is heated, and there is a risk of short circuit in the case of covering the water pipe with the constant temperature wire.

이를 감안하여 국내특허 제1075182호는 수관 내부의 물을 정기적으로 순환시켜 물이 얼지 않도록 한 기술이 제안된 바 있다. 그러나 물을 순환시키기 위한 밸브장치와 물을 저장하는 수조가 별도로 구비되어야 하므로 구성이 복잡한 등의 단점이 있었다.In view of this, Korean Patent No. 1075182 has proposed a technique in which water in the water tube is circulated regularly to prevent water from freezing. However, since the valve device for circulating water and the water tank for storing water have to be separately provided, there is a disadvantage in that the configuration is complicated.

본 발명은 종래의 문제점을 감안하여 개발한 것으로서, 본 발명의 목적은 화장실 바닥에 콘크리트로 매설되는 수관을 온풍관으로 감싸 이중관의 형태가 되도록 한 뒤, 겨울철 기온이 떨어지면 온풍관으로 온풍을 공급하여 수관이 동파되지 않도록 함으로써, 화장실 내부를 난방하지 않고 수관만 부분적으로 보온하기 때문에 에너지소비를 줄일 수 있는 동파방지기능을 갖는 이동식 화장실을 제공함에 있다.SUMMARY OF THE INVENTION The present invention has been developed in view of the above-mentioned problems, and an object of the present invention is to provide a water pipe which is embedded in concrete on the floor of a toilet by wrapping it with a hot air pipe to form a double pipe. The present invention provides a portable toilet having a function of preventing freezing, which can reduce energy consumption because only the water pipe is partially heated without heating the inside of the toilet by preventing the water pipe from being frozen.

이를 위하여 본 발명은 땅속에 매립된 직수관의 끝단이 화장실바닥의 콘크리트에 매립된 수관과 연결되고, 좌변기, 소변기 및 세면기는 상기 수관과 연결되어 수돗물이 공급되도록 한 이동식 화장실을 구성하되, 상기 화장실바닥에 매립되는 상기 수관의 외주연으로 온풍관을 감싸 상기 수관과 콘크리트 사이에 공간이 형성되도록 하고, 상기 화장실의 벽체에는 전기로 가열되는 히터 및 모터로 작동되는 송풍팬을 갖는 온풍발생기를 구비하여 상기 송풍팬의 바람이 상기 히터를 통하여 가열된 뒤 상기 온풍관 내부로 순환되면서 상기 수관을 보온하도록 한 특징이 있다.To this end, the present invention provides a portable toilet which is connected to a water pipe embedded in concrete in a floor of a toilet, and a toilet seat, a urinal, and a washstand connected to the water pipe to supply tap water, A warm air generator is provided in the wall of the toilet to have a heater and an air blowing fan operated by a motor, the warm air tube being surrounded by the outer circumference of the water tube to be buried in the floor so that a space is formed between the water tube and the concrete The wind of the blowing fan is heated through the heater and circulated to the inside of the hot air tube to keep the water tube warm.

본 발명에 따르면 화장실 바닥의 콘크리트층에 수관을 매설하는 과정에서 수관을 온풍관으로 감싸 수관의 주위로 공간이 형성되도록 한 것이다. 그리고 온풍관으로 온풍을 순환시키면 수관이 보온되므로 겨울철 동파가 방지된다.According to the present invention, in the process of burying a water pipe in a concrete layer on the floor of a toilet, a water pipe is surrounded by a hot air pipe to form a space around the water pipe. And if the hot wind is circulated through the hot wind pipe, the water pipe is kept warm, so winter wave is prevented.

본 발명은 화장실 내부를 난방하지 않고 수관만 보온하므로 난방비를 줄일 수 있는 이점이 있다. 공기를 가열하여 온풍을 수관 주위로 순환시키는 구성이므로 별도의 열매체를 사용하지 않아 구성이 간단하고, 열매체가 동파되는 2차피해가 발생되지 않으며, 시공이 간단한 이점이 있다.The present invention has an advantage that the heating cost can be reduced because only the water pipe is heated without heating the inside of the toilet. Since the air is heated to circulate the hot air around the water pipe, a separate heating medium is not used, so that the structure is simple, the secondary damage that the heating medium is frozen does not occur, and the construction is simple.

또한 온풍관의 내벽에 축열재를 코팅하면 온풍이 지나는 동안 열기가 축열되므로, 온풍이 공급되지 않더라도 수관 주위가 급격하게 냉각되지 않는 이점이 있다.In addition, when the heat storage material is coated on the inner wall of the warm air tube, the heat is stored during the warm air flow, so that there is an advantage that the surrounding of the water tube is not rapidly cooled even when warm air is not supplied.

도 1은 본 발명 한 실시예의 이동식 화장실의 평면 배치도
도 2는 본 발명 한 실시예의 이동식 화장실의 바닥 구성도
도 3은 본 발명 한 실시예의 이동식 화장실의 직수관 구성도BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view
2 is a bottom view of the portable toilet of the embodiment of the present invention
Fig. 3 is a view showing the construction of a direct water pipe in the mobile toilet according to the embodiment of the present invention

도 1 내지 도 3에서 본 발명 한 실시예의 이동식 화장실은 콘크리트가 타설되어 기초층의 역할을 하는 화장실바닥(10)의 사방으로 단열재가 충진된 벽체(11)가 구비되고, 화장실의 중앙에 설치된 칸막이(12)에 의해 남자 및 여자용 화장실이 구성된다. 남자용의 경우 좌변기(13), 소변기(15) 및 세면대(14)가 구비되고, 여자용은 좌변기(13) 및 세면대(14)가 구비된다.1 to 3, the portable toilet according to the embodiment of the present invention is provided with a wall body 11 filled with a heat insulating material on all sides of a toilet floor 10 serving as a base layer with concrete laid therein, (12) constitute a toilet for men and women. A left toilet bowl 13, a urinal 15 and a washstand 14 are provided for a male and a toilet seat 13 and a washstand 14 are provided for a female.

이들 남자용 및 여자용 화장실에 구비된 좌변기(13), 소변기(15) 및 세면대(14)들은 화장실바닥(10)에 콘크리트로 매설된 수관(20)과 연결되어 수돗물이 공급된다. 상기 수관(20)은 외주연으로 온풍관(30)이 감싸는 형태이므로 수관(20)은 콘크리트와 직접 닿지 않는다.The toilet seat (13), the urinal (15), and the washstand (14) provided in the men's and women's restrooms are connected to the water pipe (20) embedded in concrete on the toilet floor (10) to supply tap water. Since the water pipe 20 surrounds the hot air pipe 30 with its outer periphery, the water pipe 20 does not directly contact the concrete.

상기 온풍관(30)은 온풍발생기(40)에서 공급되는 온풍이 순환되는 관이다. 상기 온풍발생기(40)는 벽체(11)에 매달려 구비되는데, 상기 온풍발생기(40)의 내부에는 모터로 회전되는 송풍팬(41) 및 히터(42)가 구비된다. 상기 히터(42)는 전기열선으로 구성되어 전원이 공급되는 가열되는 방식이며, 상기 송풍팬(41)은 상기 히터(42)로 바람을 송풍하여 온풍이 발생되도록 하는 수단이다.The hot air tube 30 is a tube through which hot air supplied from the hot air generator 40 is circulated. The hot air generator 40 is suspended from the wall 11. The hot air generator 40 includes a blowing fan 41 and a heater 42 which are rotated by a motor. The heater 42 is a heating system in which electric power is supplied to the heater 42. The blowing fan 41 blows air to the heater 42 to generate hot air.

상기 온풍발생기(40)의 하부에는 상기 온풍관(30)과 연결되는 회수관(43) 및 공급관(44)이 구비되는데, 상기 회수관(43)은 상기 송풍팬(41)과 직접 연결되고, 상기 공급관(44)은 상기 히터(42)와 연결된다. 그리고 상기 회수관(43) 및 공급관(44)이 연결되는 온풍관(30)의 내부는 격판(45)이 내장되어 상기 회수관(43) 및 공급관(44)이 서로 통하지 않도록 해준다. 그리고 온풍관(30)의 내주면에는 축열재(32)가 코팅된다. 상기 축열재(32)는 온풍으로 간접 가열되는 방식인데, 주성분은 돌가루이다.A bottom of the hot air generator 40 is provided with a return pipe 43 and a supply pipe 44 connected to the hot air pipe 30. The return pipe 43 is directly connected to the blowing fan 41, The supply pipe 44 is connected to the heater 42. The inside of the warm air pipe 30 to which the return pipe 43 and the supply pipe 44 are connected is provided with a diaphragm 45 to prevent the return pipe 43 and the supply pipe 44 from communicating with each other. A heat storage material 32 is coated on the inner peripheral surface of the warm air tube 30. The heat storage material 32 is indirectly heated by warm air, and its main ingredient is stone powder.

화장실이 설치되는 땅속에는 직수관(21)이 매설되는데, 상기 직수관(21)의 끝단은 지상으로 돌출되어 상기 수관(20)과 연결된다. 이때 지상으로 노출된 직수관(21)은 동파의 위험이 있으므로 보호관(31)으로 감싸고 상기 보호관(31)은 상기 온풍관(30)과 연결하여 온풍이 상기 직수관(21)의 끝단까지 통하도록 해준다.In the ground where the toilet is installed, a direct water pipe (21) is buried. The end of the direct water pipe (21) protrudes to the ground and is connected to the water pipe (20). At this time, the direct water pipe 21 exposed to the ground is surrounded by the protective pipe 31 because of the danger of freezing, and the protective pipe 31 is connected to the hot air pipe 30 so that hot air flows to the end of the direct water pipe 21 It does.

이처럼 구성된 본 발명은 화장실바닥(10)에 수관(20)이 온풍관(30)으로 감싸져 이중관의 형태를 구성하기 때문에 수관(20)이 콘크리트에 직접 매립되지 않고 수관(20) 주위로 공간이 형성된다.In the present invention having such a structure, the water pipe 20 is wrapped in the toilet floor 10 by the hot air pipe 30 to form the shape of the double pipe. Therefore, the water pipe 20 is not directly buried in the concrete, .

겨울철 기온이 떨어지면 수관(20) 내부의 물이 얼어 수관이 동파될 우려가 있다. 이때 상기 온풍발생기(40)를 가동시키면 히터(42)가 작동되어 가열되고 송풍팬(41)이 작동되면 온풍관(30) 내부의 공기가 회수관(43)을 타고 히터(42) 쪽으로 향하면서 가열되어 온풍으로 변한 뒤 공급관(44)을 거쳐 화장실바닥(10)의 온풍관(30)으로 순환된다. 이 과정에서 수관(20)이 온풍에 의해 가열되어 적극적으로 보온된다.If the winter temperature falls, the water inside the water tube 20 may freeze and the water tube may be frozen. At this time, when the hot air generator 40 is operated, the heater 42 is operated and heated. When the blowing fan 41 is operated, the air inside the hot air tube 30 is directed toward the heater 42 through the return pipe 43 And is then circulated to the hot air tube 30 of the toilet floor 10 via the supply pipe 44 after being heated. In this process, the water tube 20 is heated by hot air and is warmed up positively.

또한 온풍이 순환되는 과정에서 온풍관(30) 내주면에 코팅된 축열재(32)가 함께 가열되어 열기를 축열한다. 따라서 온풍이 공급되지 않더라도 상기 축열재(32)의 열기로 온풍관(30) 내부가 보온되므로 상기 수관(20)이 동파되는 일이 방지된다.In addition, in the process of circulating hot air, the heat storage material 32 coated on the inner circumferential surface of the warm air tube 30 is heated together to store heat. Therefore, even if no warm air is supplied, the inside of the hot air tube 30 is kept warm by the heat of the heat storage material 32, so that the water tube 20 is prevented from being frozen.

그리고 상기 직수관(21)이 수관(20)과 연결되기 위하여 지상으로 노출되는 부분에는 보호관(31)이 감싸고 있으며, 상기 보호관(31)은 온풍관(30)과 직접 연결된 상태이므로 온풍이 상기 직수관(21)의 끝단까지 공급되어 동파를 적극적으로 방지한다.Since the protection tube 31 is directly connected to the hot air tube 30 in the portion exposed to the ground to connect the water pipe 21 to the water pipe 20, Is supplied to the end of the tube (21) to positively prevent the freezing.

10 : 화장실바닥 11 : 벽체
12 : 칸막이 13 : 좌변기
14 : 세면기 15 : 소변기
20 : 수관 21 : 직수관
30 : 온풍관 31 : 보호관
40 : 온풍발생기 41 : 팬
42 : 히터 43 : 회수관
44 : 공급관 45 : 격판10: toilet floor 11: wall
12: partition 13:
14: Wash basin 15: Urinal
20: water pipe 21: direct water pipe
30: warm air duct 31: protective pipe
40: Hot air generator 41: Fan
42: heater 43:
44: feed pipe 45: diaphragm

Claims (3)

땅속에 매립된 직수관의 끝단이 화장실바닥의 콘크리트에 매립된 수관과 연결되고, 좌변기, 소변기 및 세면기는 상기 수관과 연결되어 수돗물이 공급되도록 한 이동식 화장실을 구성하되,
상기 화장실바닥에 매립되는 상기 수관의 외주연으로 온풍관을 감싸 상기 수관과 콘크리트 사이에 공간이 형성되도록 하고,
상기 화장실의 벽체에는 전기로 가열되는 히터 및 모터로 작동되는 송풍팬을 갖는 온풍발생기를 구비하여 상기 송풍팬의 바람이 상기 히터를 통하여 가열된 뒤 상기 온풍관 내부로 순환되면서 상기 수관을 보온하도록 한 것을 특징으로 하는 동파방지기능을 갖는 이동식 화장실.The end of the direct water pipe buried in the ground is connected to a water pipe embedded in the concrete at the bottom of the toilet, the left toilet, the urinal and the wash bowl are connected to the water pipe to constitute a portable toilet for supplying tap water,
A space is formed between the water pipe and the concrete by surrounding the hot air pipe with the outer circumference of the water pipe buried in the toilet floor,
The wall of the toilet is provided with a hot air generator having a heater that is electrically heated and a blower fan that operates by a motor so that the wind of the blower fan is heated through the heater and then circulated into the hot air tube to keep the water tube warm Wherein the portable toilet has a frost protection function. 제 1 항에 있어서,
상기 온풍발생기의 송풍팬과 상기 온풍관을 연결하는 회수관이 구비되고,
상기 온풍발생기의 히터와 상기 온풍관을 연결하는 공급관이 구비되며,
상기 회수관과 공급관이 연결된 상기 온풍관의 일부는 격판이 내장되어 온풍이 상기 회수관을 거쳐 상기 온풍발생기로 유입된 뒤 상기 공급관으로 배출되도록 한 것을 특징으로 하는 동파방지기능을 갖는 이동식 화장실.The method according to claim 1,
And a return pipe connecting the blowing fan of the hot air generator and the hot air tube,
And a supply pipe connecting the heater of the hot air generator and the hot air tube,
Wherein a part of the hot air pipe connected to the return pipe and the supply pipe is provided with a diaphragm so that warm air is introduced into the hot air generator through the return pipe and then discharged to the supply pipe. 제 1 항에 있어서,
상기 온풍관의 내주면에는 돌가루로 구성된 축열재가 코팅되어 온풍의 열기를 축열하며,
상기 수관과 연결되기 위하여 땅위로 노출된 상기 직수관의 끝단은 보호관이 감싸지고,
상기 보호관은 상기 온풍관의 일부와 연결되어 온풍이 상기 직수관의 끝단까지 향하도록 한 것을 특징으로 하는 동파방지기능을 갖는 이동식 화장실.The method according to claim 1,
A heat accumulating material composed of stone powder is coated on the inner circumferential surface of the warm air tube to store heat of the warm air,
The end of the direct water pipe exposed to the ground to be connected to the water pipe is wrapped with a protective pipe,
Wherein the protection tube is connected to a part of the hot air tube so that hot air is directed to an end of the direct tube.
KR1020130005575A 2013-01-17 2013-01-17 The frost protection for portable toilets KR101416513B1 (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
KR101774378B1 (en) * 2017-04-28 2017-09-04 주식회사 제이케이 movable toilet
KR102010273B1 (en) 2018-12-14 2019-08-13 진영하우징(주) Movable toilet
KR102105970B1 (en) 2020-01-29 2020-04-29 주식회사 한국그린피아 A movable toilet and method for thereof
KR20200073971A (en) 2018-12-14 2020-06-24 진영하우징(주) Movable toilet

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JP2007191969A (en) 2006-01-20 2007-08-02 Kubota Ci Kk Piping system, building using the same, and 24-hour heat exchange ventilator
KR101038798B1 (en) 2008-11-10 2011-06-03 대우산업 주식회사 A movable toilet

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JP2001132023A (en) 1999-10-29 2001-05-15 Sekisui Chem Co Ltd Antifreeze structure of piping
KR100491962B1 (en) 2004-12-23 2005-05-30 주식회사 정림건축종합건축사사무소 Heating apparatus mount structure of drain pipe for building
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KR101038798B1 (en) 2008-11-10 2011-06-03 대우산업 주식회사 A movable toilet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101774378B1 (en) * 2017-04-28 2017-09-04 주식회사 제이케이 movable toilet
KR102010273B1 (en) 2018-12-14 2019-08-13 진영하우징(주) Movable toilet
KR20200073971A (en) 2018-12-14 2020-06-24 진영하우징(주) Movable toilet
KR102105970B1 (en) 2020-01-29 2020-04-29 주식회사 한국그린피아 A movable toilet and method for thereof

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