KR100815193B1 - Drainage trap - Google Patents

Drainage trap Download PDF

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Publication number
KR100815193B1
KR100815193B1 KR1020060108370A KR20060108370A KR100815193B1 KR 100815193 B1 KR100815193 B1 KR 100815193B1 KR 1020060108370 A KR1020060108370 A KR 1020060108370A KR 20060108370 A KR20060108370 A KR 20060108370A KR 100815193 B1 KR100815193 B1 KR 100815193B1
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South Korea
Prior art keywords
drain
drain trap
trap assembly
jaw
space
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KR1020060108370A
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Korean (ko)
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정종태
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정종태
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    • 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
    • E03F5/0407—Floor drains for indoor use
    • 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
    • E03C1/122—Pipe-line systems for waste water in building
    • 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)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

A drain trap assembly is provided to prevent the inflow of impurities to a drain trap and to make drainage possible by installing to an opening of a drain trap while curing concrete mortar. A drain trap assembly comprises a drain trap(100) opened upward and provided with a space(25) and a drain pipe(20), a cover(3) provided with a fixing projection and plural conveyance holes(32), and a drain member(4) inserted to the space and provided with a housing groove(42) having a through hole and a filter(46) installed to the inside of the housing groove, wherein a filter member(48) is fixed to an upper end projection(424) formed on the inner top of the housing space to filter out minute dust.

Description

배수트랩조립체{drainage trap}Drainage trap assembly

도 1은 본 발명에 따른 배수트랩조립체에 대한 분해사시도.1 is an exploded perspective view of the drain trap assembly according to the present invention.

도 2는 본 발명에 따른 배수트랩조립체에 대한 결합된 단면도.2 is a combined cross-sectional view of the drain trap assembly according to the present invention.

도 3은 종래 배수트랩의 설치예를 나타낸 도면.3 is a view showing an installation example of a conventional drain trap.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

3 ; 덮개 4 : 배수부재3; Cover 4: drain member

22 : 끼움부 25 : 공간부22: fitting part 25: space part

32 : 통수공 40 : 통공32: water hole 40: air hole

42 : 수용홈 44 : 손잡이42: receiving groove 44: the handle

46 : 걸름망 48 : 여과재46: strainer 48: filter medium

221 : 내단턱 222 : 홈221: inner step 222: groove

223 : 외단턱 324 : 박판223: outer jaw 324: sheet

326 : 고정턱 325 : 리브326: jaw fixed 325 rib

422 : 하부 단턱 424 : 상부 단턱422: lower step 424: upper step

본 발명은 배수트랩조립체에 관한 것으로, 더욱 상세하게는 콘크리트 슬래브의 타설시 매립된 배수트랩의 내부로 공사중 발생된 이물질이 유입되는 것을 방지하기 위해 배수트랩조립체에 관한 것이다.The present invention relates to a drain trap assembly, and more particularly, to a drain trap assembly to prevent foreign substances generated during construction into the interior of the drain trap trap when the concrete slab is poured.

일반적으로 건축물을 시공할 때 바닥의 콘크리트 슬래브를 타설하면서, 배수트랩을 매설하고, 그 하부에는 거푸집을 시공하게 된다.In general, when constructing a building, the concrete slab of the floor is poured, the drain trap is buried, and the formwork is installed at the bottom thereof.

도 3에 도시된 바와 같이, 종래 배수트랩(100)은 배수트랩 받침구(2)에 결합되는데, 배수트랩 받침구(2)는 하수를 배출하기 위해 통체로 형성되며, 하단 외주면에는 복수개의 고정용 브라켓(6)이 형성되어 이루어진다.As shown in Figure 3, the conventional drain trap 100 is coupled to the drain trap support (2), the drain trap support (2) is formed of a cylinder to discharge the sewage, a plurality of fixed to the lower outer peripheral surface The bracket 6 is formed.

따라서, 상기 고정용 브라켓(6)에 못을 박아 거푸집(200)에 고정시킨 후 콘크리트 몰탈(500)을 타설하여 양생시키게 된다.Therefore, the nail is fixed to the mold 200 by fixing the nail to the fixing bracket (6) is to pour by curing the concrete mortar (500).

그러나, 상기 콘크리트 몰탈의 타설 및 기타 공사작업중에 발생된 시멘트 파편이나 공사자재 쓰레기들이 배수트랩 내부로 유입되어 배수관이 막혀 불통되는 문제점을 야기하였다.However, cement debris or construction materials waste generated during the pouring of concrete mortar and other construction work flows into the drain trap, causing a problem that the drain pipe is blocked.

이에 종래에는 배수트랩의 개구부를 밀봉시킴으로써 공사자재 쓰레기의 유입을 막았으나, 이로인해 배수기능도 차단되므로 우천시에는 빗물이 고임에 의해 콘크리트 몰탈의 양생이 늦어지거나 유실되는 문제점이 발생되었다.Therefore, in the related art, the opening of the waste trap was prevented to prevent the inflow of construction materials waste, but the drainage function was also blocked, thereby causing the problem of delayed or lost curing of the mortar of the concrete due to the rain.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위해 안출된 것으로, 콘크리트 몰탈이 양생되는 동안 배수트랩의 개구부에 설치되어 외부의 이물질의 유입을 방지하도록 하되, 배수는 가능하도록 한 배수트랩조립체를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, it is provided in the opening of the drain trap while the concrete mortar is cured to prevent the inflow of foreign matter, but to provide a drain trap assembly to enable drainage Its purpose is to.

상기한 목적을 달성하기 위해 본 발명은,The present invention to achieve the above object,

상부가 개구되고, 내측에 공간부가 형성되며 저면에 배수관이 형성된 배수트랩과; 외주면 하부에 고정턱이 형성되고, 상면에는 복수개의 통수공이 형성된 덮개와; 상기 공간부에 삽입되며 중심부에 통공을 갖는 수용홈이 형성되고, 상기 수용홈 내에 걸름망이 설치된 배수부재를 포함하여 이루어짐을 특징으로 하는 배수트랩조립체에 의해 달성될 수 있다. A drain trap having an upper opening, a space portion formed therein, and a drain pipe formed at a bottom thereof; A fixing jaw is formed below the outer circumferential surface, and a cover in which a plurality of water passages are formed; Receiving groove is inserted into the space portion and has a through hole formed in the center, it can be achieved by a drain trap assembly characterized in that it comprises a drain member provided with a strainer is installed in the receiving groove.

이하 본 발명의 바람직한 실시예를 첨부된 도면을 토대로 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명을 설명함에 있어 종래와 동일한 일부 구성에 대해서는 동일한 구성부호를 사용하며, 이에 대한 반복 설명은 생략한다.In describing the present invention, the same reference numerals are used for some of the same components as in the related art, and a repeated description thereof will be omitted.

첨부된 도면 중에서, 도 1은 본 발명에 따른 배수트랩조립체에 대한 분해사시도이고, 도 2는 본 발명에 따른 배수트랩조립체에 대한 결합된 단면도이다.1 is an exploded perspective view of the drain trap assembly according to the present invention, Figure 2 is a combined cross-sectional view of the drain trap assembly according to the present invention.

도 1 및 도 2에 나타낸 바와 같이, 본 발명에 따른 배수트랩조립체는, 상부가 개구되고, 내측에 공간부(25)가 형성되며 저면에 배수관(20)이 형성된 배수트랩(100)과, 외주면 하부에 고정턱(326)이 형성되고, 상면에는 복수개의 통수공(32)이 형성된 덮개(3)와; 상기 공간부(25)에 삽입되며 중심부에 통공(40)을 갖는 수용홈(42)이 형성되고, 상기 수용홈(42) 내에 걸름망(46)이 설치된 배수부재(4)로 구성된다.As shown in Figure 1 and 2, the drain trap assembly according to the invention, the upper portion is open, the space portion 25 is formed on the inside and the drain trap 100 formed with a drain pipe 20 on the bottom and the outer peripheral surface A fixing jaw 326 is formed at a lower portion thereof, and a cover 3 having a plurality of water passages 32 formed thereon; The receiving groove 42 is inserted into the space portion 25 and has a through hole 40 in the center thereof, and is composed of a drain member 4 having a strainer 46 installed in the receiving groove 42.

보다 상세하게는, 상기 배수트랩(100)은 상부가 개구되고, 내측에 공간부(25)가 형성되며 사각형으로 이루어지며, 상기 개구부의 상단에는 끼움부(22)가 형성되고, 저면에는 배수관(20)이 형성된다. In more detail, the drain trap 100 has an upper portion, a space portion 25 is formed on the inner side and is formed in a quadrangle, and an insertion portion 22 is formed at an upper end of the opening portion, and a drain pipe ( 20) is formed.

이때, 상기 배수트랩(100)은 사각형 외에도 원형, 타원형 등 다양한 형상으로 변경될 수 있음은 당연하다.At this time, it is obvious that the drain trap 100 may be changed into various shapes such as a circle and an oval in addition to the rectangle.

상기 끼움부(22)는 후술될 덮개(3)를 결합시키기 위한 것으로, 일정 간격으로 이격 형성된 내단턱(221) 및 외단턱(223)과 그 사이에 형성된 홈(222)으로 이루어진다.The fitting portion 22 is for coupling the cover 3 to be described later, it is composed of the inner end jaw 221 and the outer end jaw 223 formed at regular intervals and a groove 222 formed therebetween.

또한, 상기 배수트랩(100)의 공간부(25)의 내측벽에는 후술될 배수부재(4)가 안착될 수 있도록 소정의 걸림턱(24)이 수평되게 동일한 높이로 형성된다.In addition, a predetermined locking jaw 24 is formed at the same height horizontally on the inner wall of the space 25 of the drain trap 100 so that the drain member 4 to be described later is seated.

상기 덮개(3)는 상기 배수트랩(100)의 개구부에 부합되도록 사각형으로 된 판상이며, 상면에는 복수개의 통수공(32)이 형성되고, 외주연 하부에는 고정턱(326)이 형성 되며, 이 고정턱(326)은 끼움부(22)의 내단턱(221)과 외단턱(223) 사이에 형성되는 홈(222)에 삽입 결합된다. The cover 3 is a rectangular plate shape to match the opening of the drain trap 100, a plurality of water passages 32 are formed on the upper surface, the fixing jaw 326 is formed on the lower outer periphery , The fixing jaw 326 is inserted into and coupled to the groove 222 formed between the inner end jaw 221 and the outer end jaw 223 of the fitting portion 22.

여기서, 상기 통수공(32)의 그 내주면에는 통수공(32)보다 직경이 작은 박판(324)이 등간격으로 형성된 리브(325)에 의해 고정되어 있으며, 상기 박판(324)은 가압에 의해 리브(325)가 절단되면서 분리될 수 있게 된다.Here, the inner circumferential surface of the water hole 32 is fixed by a rib 325 formed at equal intervals with a thin plate 324 having a diameter smaller than that of the water hole 32, and the thin plate 324 is rib by pressure. 325 can be separated while being cut.

상기 배수부재(4)는, 배수트랩(100)의 개구부 내측에 삽입되어 걸림턱(24)에 안착되는 판상이며, 그 중심부에는 전술한 배수트랩(100)의 배수관(20)과 일치되는 통공(40)을 갖는 수용홈(42)이 형성되고, 상기 수용홈(42) 내에 걸름망(46)이 형성되어 이루어진다.The drain member 4 has a plate shape that is inserted into the opening of the drain trap 100 to be seated on the locking jaw 24, and a central portion of the drain member 4 coincides with the drain pipe 20 of the drain trap 100. A receiving groove 42 having a 40 is formed, and a strainer 46 is formed in the receiving groove 42.

여기서, 상기 수용홈(42)의 내측 상단에는 후술될 여과재(48)를 고정시키기 위해 상부 단턱(424)이 형성된다.Here, an upper step 424 is formed at the inner upper end of the receiving groove 42 to fix the filter medium 48 to be described later.

그리고, 상기 걸름망(46)은 수용홈(42)에 일체로 성형되거나 또는 분리 가능한 형태로 제작될 수 있다. In addition, the strainer 46 may be integrally formed with the receiving groove 42 or manufactured in a detachable form.

여기서, 상기 배수부재(4)는 배수트랩(100)의 내측에 수평으로 설치되거나 또는 구배를 주어 설치된다.Here, the drain member 4 is installed horizontally or given a gradient inside the drain trap (100).

또한, 상기 수용홈(42) 내에는 상기 걸름망(46)의 상부에 위치되도록 여과재(48)가 삽입되며, 삽입된 여과재(48)는 상기 수용홈(42)의 상부 단턱(424)에 의해 외부로 이탈되지 못하도록 고정된다.In addition, the filter medium 48 is inserted into the receiving groove 42 so as to be positioned above the strainer 46, and the inserted filter medium 48 is externally formed by the upper step 424 of the receiving groove 42. It is fixed so as not to escape.

상기 여과재(48)는 통상의 흡착식 필터 또는 스폰지 등이 사용됨으로써 미세먼지를 걸러낼 수 있는 것이다.The filter medium 48 can filter out fine dust by using a normal adsorptive filter or sponge.

아울러, 상기 배수부재(4)의 상면에는 파지가 용이하도록 복수개의 손잡이(44)가 형성되는데, 상기 손잡이(44)는 돌출된 편체가 적당하다. In addition, a plurality of handles 44 are formed on the upper surface of the drain member 4 to facilitate gripping, and the handles 44 may have a protruding knitted body.

또한, 상기 배수부재(4)의 하면에는 상기 배수트랩(100)의 공간부(25) 내벽면과 접촉되어 지지될 수 있도록 돌출턱(45)이 형성된다(도 2 참조).In addition, the lower surface of the drain member 4 is formed with a projection jaw 45 to be supported in contact with the inner wall surface of the space portion 25 of the drain trap 100 (see Fig. 2).

이와 같이 구성된 본 발명의 결합 및 작용에 대해 설명하면 다음과 같다.Referring to the combination and operation of the present invention configured as described above are as follows.

먼저, 건축물의 바닥면을 시공하기 위해 거푸집(200)을 설치하게 되고, 이 거푸집(200)에서 배수트랩(100)이 설치되어야 할 지점에 배수트랩 받침구(A)를 거푸집(200) 상면에 고정시킨 후 상부측에 배수트랩 받침구(A)의 상부에 배수트랩(100)의 배수관(20)을 끼워 결합시킨다.First, the formwork 200 is installed in order to construct the bottom surface of the building, and the drainage trap support hole A is disposed on the formwork 200 at the point where the drainage trap 100 should be installed in the formwork 200. After fixing, the drain pipe 20 of the drain trap 100 is fitted to the upper portion of the drain trap support port (A) on the upper side.

이후, 배수트랩(100) 내에 배수부재(4)를 삽입하여 걸림턱(24)에 고정시키고, 배수부재(4)의 수용홈(42)에 걸름망(46)과 여과재(48)를 순차적으로 삽입한 다음 배수트랩(100)의 상부에 덮개(3)를 결합시켜 외부 이물질의 유입이 차단될 수 있도록 한다.Thereafter, the drainage member 100 is inserted into the drainage trap 100 to be fixed to the locking jaw 24, and the strainer 46 and the filter medium 48 are sequentially inserted into the receiving groove 42 of the drainage member 4. Then, the cover 3 is coupled to the upper portion of the drain trap 100 so that the inflow of external foreign matters can be blocked.

이렇게 결합이 완료된 배수트랩 받침구(A) 및 배수트랩(100)의 외측에는 콘크리트 몰탈(500)을 타설하여 매립시킨다. In this way, the concrete trap mortar 500 is poured into the outside of the drain trap receiving port A and the drain trap 100 where the coupling is completed.

그러나, 우기에 빗물이 고이게 되면 콘크리트 몰탈(500)의 양생이 늦어지고, 유실될 우려가 있으므로 신속한 배수를 위해 덮개(3)에 마련된 통수공(32)의 박판(324)을 떼어냄으로써 통수공(32)을 통해 빗물이 배수트랩(100) 내의 배수관(20)을 통해 배수될 수 있도록 한다.However, when rainwater collects during the rainy season, the curing of the concrete mortar 500 may be delayed and may be lost. Therefore, the thin plate 324 of the water hole 32 provided in the cover 3 may be removed for rapid drainage. 32 to allow the rain water to be drained through the drain pipe 20 in the drain trap (100).

또한, 콘크리트 몰탈(500)이 양생된 후에는 덮개(3)를 제거해내는데, 이때 덮개(3)의 외주연 하부의 고정턱(326)에 의해 배수트랩(100)의 상단 둘레에는 틈새가 형성된다.In addition, after the concrete mortar 500 is cured, the cover 3 is removed. At this time, a gap is formed around the upper end of the drain trap 100 by the fixing jaw 326 of the lower outer periphery of the cover 3. .

따라서, 상기 틈새에는 방수재(미도시)를 시공하여 습기가 유입되지 못하도록 한다.Therefore, the gap is prevented from entering moisture by installing a waterproof material (not shown).

이상에서 설명한 바와 같이, 본 발명에 따르면 콘크리트 몰탈이 양생되는 동안 배수트랩내로 이물질의 유입을 방지할 수 있되, 아울러 배수가 가능하여 사용의 편리성을 증대시킬 수 있는 효과가 발현된다. As described above, according to the present invention, while the concrete mortar is cured, it is possible to prevent the inflow of foreign substances into the drain trap, and also the drainage is possible, thereby increasing the convenience of use.

Claims (9)

상부가 개구되고, 내측에 공간부(25)가 형성되며 저면에 배수관(20)이 형성된 배수트랩(100)과; A drain trap 100 having an upper opening, a space portion 25 formed therein, and a drain pipe 20 formed on a bottom surface thereof; 외주면 하부에 고정턱(326)이 형성되고, 상면에는 복수개의 통수공(32)이 형성된 덮개(3)와; A fixing jaw 326 is formed below the outer circumferential surface, and a cover 3 on which a plurality of water passages 32 are formed; 내측에 걸름망(46)이 구비된 수용홈(42)이 형성되며, 상기 공간부(25)에 삽입되는 배수부재(4)를 포함하여 이루어진 것을 특징으로 하는 배수트랩조립체.Receiving groove 42 is provided with a strainer 46 is formed on the inside, drain trap assembly, characterized in that it comprises a drain member (4) inserted into the space (25). 제1항에 있어서,The method of claim 1, 상기 배수트랩(100)은, 상단에 이격 형성된 내단턱(221) 및 외단턱(223)과 그 사이에 형성된 홈(222)으로 구성된 끼움부(22)가 형성되고, 상기 끼움부(22)에 상기 덮개(3)의 고정턱(326)이 삽입되는 것을 특징으로 하는 배수트랩조립체.The drain trap 100 has a fitting portion 22 formed of an inner end jaw 221 and an outer end jaw 223 formed at an upper end thereof and a groove 222 formed therebetween, and is formed at the fitting part 22. Drainage trap assembly, characterized in that the fixing jaw (326) of the cover (3) is inserted. 제1항에 있어서,The method of claim 1, 상기 공간부(25)의 내측벽에는 상기 배수부재(4)가 안착되는 걸림턱(24)이 형성된 것을 특징으로 하는 배수트랩조립체.Drainage trap assembly, characterized in that the inner side wall of the space portion 25 is formed with a catching jaw (24) on which the drain member (4) is seated. 제1항에 있어서,The method of claim 1, 상기 통수공(32)의 그 내주면에는 통수공(32)보다 직경이 작은 박판(324)이 등간격으로 형성된 리브(325)에 의해 고정된 것을 특징으로 하는 배수트랩조립체.Drain trap assembly, characterized in that the inner circumferential surface of the water hole 32 is fixed by a rib 325 formed at equal intervals of the thin plate 324 smaller than the water hole 32. 제1항에 있어서,The method of claim 1, 상기 배수부재(4)의 수용홈(42)에는 흡착식 필터 또는 스폰지로 된 여과재(48)가 삽입되는 것을 특징으로 하는 배수트랩조립체.Drain trap assembly, characterized in that the receiving groove 42 of the drain member 4 is inserted into the filter medium 48 of the suction filter or sponge. 제1항 또는 제5항에 있어서,The method according to claim 1 or 5, 상기 배수부재(4)의 수용홈(42) 내측 상부에는 여과재(48)를 지지하는 상부 단턱(424)이 형성된 것을 특징으로 하는 배수트랩조립체.Drain trap assembly, characterized in that the upper stepped portion (424) for supporting the filter medium 48 is formed in the upper portion of the receiving groove (42) of the drain member (4). 제1항에 있어서,The method of claim 1, 상기 배수부재(4)의 상면에는 복수개의 손잡이(44)가 돌출 형성된 것을 특징으로 하는 배수트랩조립체.The drain trap assembly, characterized in that a plurality of handles 44 protruding from the upper surface of the drain member (4). 제1항에 있어서,The method of claim 1, 상기 배수부재(4)의 하면에는 상기 배수트랩(100)의 공간부(25) 내벽면과 접촉 지지되는 돌출턱(45)이 형성된 것을 특징으로 하는 배수트랩조립체.Drain trap assembly, characterized in that the lower surface of the drain member 4 is formed with a projection jaw (45) in contact with the inner wall surface of the space portion 25 of the drain trap (100). 제1항에 있어서,The method of claim 1, 상기 배수부재(4)는 상기 배수트랩(100)의 공간부(25) 내측에 수평으로 설치 되거나 또는 구배를 갖도록 설치되는 것을 특징으로 하는 배수트랩조립체.The drain member (4) is a drain trap assembly, characterized in that it is installed horizontally or to have a gradient inside the space 25 of the drain trap (100).
KR1020060108370A 2006-11-03 2006-11-03 Drainage trap KR100815193B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101930401B1 (en) * 2018-07-11 2018-12-18 천정필 Waste trap and construction method thereof

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KR20010010080A (en) * 1999-07-15 2001-02-05 신현준 Method of automatic oxygen concentration control for multi staged combustion appliances
KR200266009Y1 (en) 2001-12-08 2002-02-25 최해권 Temporary Cover for Conduit Pipe
JP2004270396A (en) 2003-03-12 2004-09-30 Jo Ouchi Cut off and water dripping device for sleeve placed in slab
KR20040104211A (en) * 2003-06-03 2004-12-10 최해권 Flow Drain Having Temporary Drainage Hole and Construction Method of the Floor Using the Same
KR20050095997A (en) * 2004-03-29 2005-10-05 최해권 Separate installation type floor drain and construction method of the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010010080A (en) * 1999-07-15 2001-02-05 신현준 Method of automatic oxygen concentration control for multi staged combustion appliances
KR200266009Y1 (en) 2001-12-08 2002-02-25 최해권 Temporary Cover for Conduit Pipe
JP2004270396A (en) 2003-03-12 2004-09-30 Jo Ouchi Cut off and water dripping device for sleeve placed in slab
KR20040104211A (en) * 2003-06-03 2004-12-10 최해권 Flow Drain Having Temporary Drainage Hole and Construction Method of the Floor Using the Same
KR20050095997A (en) * 2004-03-29 2005-10-05 최해권 Separate installation type floor drain and construction method of the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101930401B1 (en) * 2018-07-11 2018-12-18 천정필 Waste trap and construction method thereof

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