KR20170002282U - Floor drain apparatus - Google Patents

Floor drain apparatus Download PDF

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Publication number
KR20170002282U
KR20170002282U KR2020150008319U KR20150008319U KR20170002282U KR 20170002282 U KR20170002282 U KR 20170002282U KR 2020150008319 U KR2020150008319 U KR 2020150008319U KR 20150008319 U KR20150008319 U KR 20150008319U KR 20170002282 U KR20170002282 U KR 20170002282U
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KR
South Korea
Prior art keywords
drainage
shaped
drain
floor
connection pipe
Prior art date
Application number
KR2020150008319U
Other languages
Korean (ko)
Inventor
김명애
Original Assignee
주식회사 경동하이테크
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 주식회사 경동하이테크 filed Critical 주식회사 경동하이테크
Priority to KR2020150008319U priority Critical patent/KR20170002282U/en
Publication of KR20170002282U publication Critical patent/KR20170002282U/en

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407Floor drains for indoor use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407Floor drains for indoor use
    • E03F5/0409Devices for preventing seepage around the floor drain
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/041Accessories therefor

Abstract

The present invention is characterized in that a drainage path is formed between the bottom drainage body and the L-shaped or T-shaped drainage part, and the bottom drainage body part and the L-shaped or T-shaped drainage The present invention relates to a floor drainage apparatus for a layered pipe capable of securing a space for forming a waterproof layer and forming a waterproof layer simultaneously with the installation of a coarse wall.
According to the present invention, a floor drainage system for a layered pipe is formed on a reinforced concrete for a foundation floor of a bathroom and is formed into a hollow shape with an opened upper surface, and a first drainage connection pipe is spaced apart from the foundation flooring reinforced concrete An outer member which is accommodated in the bottom drain body and which is formed in a shape of a box which is opened in an upper surface and which is seated on an upper end of the bottom drain body and has a first step And an upper end of the upper frame is extended from the upper end of the upper end of the upper end of the upper end of the upper end of the upper end of the upper end of the upper end of the upper end of the outer end of the outer end An inner member spaced from a bottom surface of the member; a drain cover which is seated on a second edge of the upper frame and has a plurality of drain holes formed therein; An L-shaped or T-shaped drainage section in which a second drainage connection pipe through which a first drainage connection pipe of the bottom drainage body part is inserted is extended away from the foundation flooring reinforced concrete and a third drainage connection pipe is formed on the other side, .

Description

Background of the Invention Field of the Invention The present invention relates to a floor drain apparatus,

The present invention relates to a drainage pipe for a stratified pipe, in which various drainage pipes for collecting and discharging sewage discharged from a sink and bathtub and a bathroom floor are installed on a reinforced concrete for a foundation floor of a corresponding floor, More specifically, since a step having a function similar to a gradient is formed in the drain path between the bottom drain body and the L-shaped or T-shaped drain, the drain can be made smooth, and the bottom drain body and L- or T- The present invention relates to a floor drainage apparatus for a layered pipe capable of securing a space for forming a waterproof layer as a connection part of a drainage part is separated from a foundation flooring reinforced concrete, and a waterproof layer can be formed simultaneously with the installation of a coarse wall.

Apartment houses are the most representative type of housing in the modern society. Despite their small size, there are many people who can live in the apartments. However, there is a big disadvantage that the floor noise is generated between the floor and the floor.

There are many reasons for the occurrence of the floor noise in the apartment. Especially, the noise of the bathroom is a problem related to the building structure, not the problem of the occupant only. The tub connected to the bathtub, washstand, When installed in the lower floor ceiling through the reinforced concrete, when the bathroom is used from the upper floor, the water flowing to the pipe is transmitted to the lower floor, causing the floor noise. In addition, such a piping structure has a problem of damaging other people because it is necessary to work in the lower layer when repairing the piping.

In order to solve the above problems, various drainage piping materials for collecting and discharging the sewage used in the bathroom sink and bathtub and the drainage of the bathroom floor are installed not on the lower floor ceiling but on the layered piping A floor drain was developed.

Such a floor drainage system for laying pipes is constructed not only on the ceiling of the lower floor but also on the reinforced concrete for foundation so as to pass through the reinforced concrete for foundation floor on the bottom of the concrete floor, It is possible to reduce the interlayer noise due to the use of the bathroom without the need to drill the reinforced concrete for the foundation floor due to the connection to the piping. However, when leakage occurs from the bathroom to the reinforced concrete for the foundation floor, If it is not discharged to the outside, hygiene problems such as mold generation and odor are generated. In addition, when long-term contact with the sewer pipe adjacent to the reinforced concrete for the foundation floor is performed on the bottom floor reinforced concrete, the sewer pipe may be damaged and the lifetime may be reduced.

As an example of such a floor drainage apparatus for layered pipes, Korean Patent Laid-Open Publication No. 10-2009-0124896 (2009.12.03) discloses a floor drainage apparatus for a floor piping, which is installed on a concrete floor layer for a basin bath room and has a collecting pipe connecting portion and a drain pipe connecting portion An upper opening cylindrical drainage pipe main body; And a plate-shaped upper base mounted on the upper portion of the drain pipe device body and having a diameter larger than an outer diameter of the drain pipe device main body and having a hook-and-loop fastener fastening portion at the center thereof, Wherein the top plate coupling portion is a triangular-shaped cross-section and is defined by strip-like projections having the same area as that of the top plate, and a bottom coupling portion formed at the center of the top plate coupling portion. Lt; / RTI >

Korean Patent Laid-Open Publication No. 10-2009-0043926 (2009.05.07) discloses a method for constructing a stratified drainage piping system, which is buried in the bottom of a basin concrete base and exposed on the bottom of a foundation concrete in a bathtub room, Shaped connecting pipe connected to the L-shaped connecting pipe, a bottom drain pipe connected to the L-shaped connecting pipe for discharging the base concrete bottom drainage to the outside, and a drain pipe connected to the L- And a sewage pipe fixture for fixing the position and the gradient of the sewage pipe for the toilet, the sewage pipe being formed integrally with the water collecting pipe, A bottom drain device is disclosed.

Also, Korean Patent Laid-Open Publication No. 10-2011-0137931 (Dec. 26, 2011) discloses that a drain hole connecting portion is provided on an upper portion of a drain hole receiving body, and a plurality of inlet connecting portions and a drain connecting portion are provided on the outer periphery of the drain hole main body. In the drainage system of the piped bathroom drainage system, a bottom portion is provided in an inner lower portion of the drainage receiving main body, a bottom end thereof is submerged in the sewage filled in the bottom portion, And a partition is provided on a discharge connection portion side inside the drain pan body, and a drain pan of the bathroom drainage system of the layered piping system is disclosed.

In the conventional floor drainage apparatus for layered piping as described above, when the installation of the reinforced concrete grate for foundation floor is completed in the bathroom, the L-shaped or T-shaped drainage unit, to which the bottom drainage body and the pipe facing to the outside are connected, In order to install Zendai for bathroom, the building wall is built up and the body part and the drainage part are laid under concrete.

In this case, if the connection part between the bottom drainage body and the L-shaped or T-shaped drainage part comes into contact with the reinforced concrete for foundation, a waterproof layer may not be formed.

In addition, since the waterproof layer may be formed on the entire floor of the bathroom, there is a possibility that the waterproof layer may be broken during the installation of the cast iron wall. Therefore, in the process of building the cast iron wall, It is preferable to form a waterproof layer.

However, since the conventional floor drainage apparatus for layered pipe is formed so as to be in contact with the reinforced concrete for foundation floor without being spaced apart, it is difficult to estimate the position of the floor drainage unit for the layered pipe when the partial waterproof layer is formed, There is a problem that a partial waterproof layer must be additionally formed.

Further, in the case of conventional floor drainage for layered pipe, a gradient should be formed at a predetermined angle in a pipe connected to the L-shaped or T-shaped drainage part in order to smoothly discharge the sewage water through the granular pipe installed outside the wall. However, There is a problem that a gradient can not be formed at an angle frequently.

1. Korean Patent Publication No. 10-2009-0124896 (2009.12.03)

2. Korean Patent Publication No. 10-2009-0043926 (2009.05.07)

3. Korean Patent Laid-Open Publication No. 10-2011-0137931 (December 26, 2011)

Therefore, the present invention can smoothly drain a drainage path between the bottom drainage body and the L-shaped or T-shaped drainage part, and the bottom drainage body part and the L-shaped or T- It is an object of the present invention to provide a bottom drainage apparatus for a layered pipe capable of securing a space for forming a waterproof layer and forming a waterproof layer at the same time as a wall wall installation operation as the connecting portion of the drainage portion is separated from the foundation flooring reinforced concrete, .

In order to achieve the above object, the present invention provides a method of constructing a reinforced concrete for a floor of a bathroom, the reinforced concrete for a floor of a bathroom having an upper surface opened and a first drain connection pipe spaced from the foundation floor reinforced concrete A bottom drain body extending in the bottom drain body, an outer member formed in the bottom drain body and formed in a hollow shape having an opened upper surface, a first step formed on the bottom of the bottom drain body, An upper frame having a second step formed at an upper side of an inner surface thereof and a lower end extending through the upper end of the outer frame in a state in which the upper end of the upper frame is supported by the first end of the upper frame, A drain cover mounted on the second step of the upper frame and having a plurality of drain holes formed therein, An L-shaped or T-shaped drainage section in which a second drainage connection pipe through which a first drainage connection pipe of the drainage body is inserted is extended in a state spaced apart from the foundation flooring reinforced concrete and a third drainage connection pipe is formed on the other side, The present invention provides a floor drainage apparatus for a layered pipe.

In the present invention, the outer member is in close contact with the interior of the bottom drain body and the inner member is spaced from the inner surface of the outer member for the formation of a drain path.

In the present invention, the upper end of the outer member is positioned above the bottom surface of the first drain connection pipe of the bottom drain body.

In the present invention, in the L-shaped or T-shaped drainage section, the third drainage connection pipe is located below the second drainage connection pipe.

In the present invention, the bottom drain body, the upper frame, and the side of the L-shaped or T-shaped drainage portion are supported and fixed by an impervious concrete laminated on a reinforced concrete for a foundation floor of a bathroom.

In the present invention, a waterproof layer is applied between the foundation underfloor reinforced concrete and the first drain connection pipe of the bottom drainage body spaced therefrom and the second drain connection pipe of the L-shaped or T-shaped drainage.

According to the present invention, the floor drainage system for layered piping is constructed so as to induce natural drainage similar to the gradient to the drainage path between the bottom drainage body and the L-shaped or T-shaped drainage, There is an advantage that drainage can be smoothly performed from the body portion to the L-shaped or T-shaped drainage portion.

Also, according to the present invention, the floor drainage system for layered piping can secure the formation space of the waterproof layer as the connection part between the bottom drainage body and the L-shaped or T-shaped drainage is separated from the foundation flooring reinforced concrete, At the same time, it is possible to form a waterproof layer and to install it quickly and easily.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional structural view of a floor drainage apparatus for a layered pipe according to one embodiment of the present invention; FIG.
2 is an exploded perspective view of a floor drainage apparatus for stratified pipes according to an embodiment of the present invention;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional structural view of a floor drainage apparatus for a layered pipe according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of a floor drainage apparatus for a layered pipe according to an embodiment of the present invention

The bottom drainage device for layered pipe according to one embodiment of the present invention is formed on a reinforced concrete for a foundation floor of a bathroom and is formed into a shape of a box with an opened upper surface, A bottom drainage body extending in a state spaced apart from the concrete, an outer member received in the bottom drainage body and formed in a shape of a hollow with an opened upper surface, An upper frame formed with a first step and a second step formed on an upper side of an inner surface thereof and a second frame extending vertically through and extending into the interior of the outer member in a state in which an upper end thereof is seated and supported on a first step of the upper frame, And a drain cover mounted on the second step of the upper frame and having a plurality of drain holes formed therein, And a third drain connection pipe is extended from the bottom floor main body in a state where the second drain connection pipe is inserted and connected to the bottom floor main body and the other side is extended from the bottom floor reinforcement concrete. Drainage section.

Hereinafter, with reference to FIG. 1 and FIG. 2, the components of the floor drainage apparatus for a layered pipe 1 according to an embodiment of the present invention and their connection relationship between the components will be described in detail.

The bottom drainage body portion 10 forms an installation frame of various structural members for draining the sewage in the bathroom floor to the tapered or T-shaped drainage portion 60 after being firstly collected, And the side surface is supported and fixed by an inactive concrete (5) which is placed on the reinforced concrete (3) and the side surface is laminated on the reinforced concrete (3) for foundation floor of the bathroom.

The bottom drainage body 10 is formed in a shape of a hollow body with its top surface opened so that the sewage in the bottom of the bathroom can be collected. On one side, an L-shaped or T The first drain connection pipe 11 connected to the female drainage section 60 is extended away from the foundation flooring reinforced concrete 3.

In the above-described bottom drainage body portion 10, an outer member 20 is accommodated. This outer member 20 corresponds to a house collection in which the sewage at the bottom of the bathroom is first collected, .

The outer member 20 is tightly fixed to the inside of the bottom drainage body 10 so that the drainage water does not flow between the bottom drainage body 10 and the outer member 20. After the water is collected into the outer member 20 The sewage overflowed to the outside can be discharged only through the first drain connection pipe (11) of the bottom drainage body part (10).

The upper end of the outer member 20 is connected to the lower end of the bottom drainage body 10 so that the sewage flowing over the outer member 20 can be easily drained to the first drainage connection pipe 11 of the bottom drainage body 10. [ It is preferable to be positioned above the bottom surface of the one-way connection pipe 11.

An upper frame 30 is seated on the upper end of the above-described bottom drainage body part 10. The upper frame 30 allows the insertion of the inner member 40 to be described later, 50 to be supported by the seat.

The lower end of the inner surface of the upper frame 30 is provided with a first step 31 on which the upper end of the inner member 40 is seated and fixed and the upper end of the inner surface of the upper frame 30, A second step 33 is formed at the upper edge of the drainage cover 50 to support the edge of the drainage cover 50.

Also, the side surface of the upper frame 30 is supported and fixed by the non-woven concrete 5 stacked on the reinforced concrete 3 for foundation floor of the bathroom.

The inner member 40 is mounted on the first step 31 of the upper frame 30 so that the sewage in the bottom of the bathroom can be drained and collected by the outer member 20. [ It corresponds to the vertical drain pipe leading.

The inner member 40 is formed to penetrate vertically in the same manner as a normal vertical water pipe and has a mounting flange 41 protruding outward at an upper end thereof. The mounting flange 41 is seated on the first step 31 of the upper frame 30.

The inner member 40 is extended into the interior of the outer member 20 in a state in which the upper end is seated and supported by the first flange 31 of the upper frame 30 by the seating flange 41, Is spaced apart from the bottom surface of the outer member (20) and the inner peripheral surface is spaced from the inner surface of the outer member (20).

The drain cover 50 is seated on the second step 33 of the upper frame 30. The drain cover 50 covers the bathroom drain port exposed to the floor of the actual bathroom but drains to the lower part. Of the hair of the user.

A plurality of drain holes 51 are formed in the drain cover 50. The drain holes 51 may be formed in various shapes known in the art such as a hole having a small diameter or a slit having a small width.

The above-described bottom drainage body portion 10 is connected to an L-shaped or T-shaped drainage portion 60 which is connected to a first drain connection pipe (not shown) of the bottom drainage body portion 10 11), or sewage drained from the sink or bathtub of the bathroom floor, is collected for drainage.

A second drain connection pipe 61 into which the first drain connection pipe 11 of the bottom drain body portion 10 is inserted is connected to one side of the L-shaped or T-shaped drainage portion 60, As shown in Fig.

There is a high possibility that water leaks between the first drain connection pipe 11 of the bottom drainage body 10 and the second drain connection pipe 61 of the L-shaped or T-shaped drainage unit 60, A first drain connection pipe 11 and a second drain connection pipe 61 of the L-shaped or T-shaped drainage unit 60 of the bottom floor drainage body 10 separated from the base flooring reinforced concrete 3, The waterproof layer 7 is applied. At this time, the first drain connection pipe 11 of the bottom drainage body 10 and the second drain connection pipe 61 of the L-shaped or T-shaped drainage 60 are spaced apart from the foundation flooring reinforced concrete 3 The space for forming the waterproof layer 7 is secured and the waterproof layer 7 can be easily installed.

A third drain connection pipe 63 is formed at the other side of the L-shaped or T-shaped drainage section 60, to which a drain pipe 65 connected to a granular drain pipe (not shown) of the cavity is connected. At this time, the L-shaped or T-shaped drainage portion 60 is shown as an L-shaped drainage for drainage of the sewage in the bathroom floor, but it is obvious that it includes a T-shaped drainage portion for drainage together with the drainage from the washstand or bathtub.

The third drain connection pipe 63 is connected to the third drain connection pipe 63 so that the sewage introduced into the L-shaped or T-shaped drainage unit 60 through the second drain connection pipe 61 can be drained smoothly through the third drain connection pipe 63, Is preferably located below the second drain connection pipe (61). The side surface of the L-shaped or T-shaped drainage portion 60 is supported and fixed by the non-woven concrete 5 stacked on the reinforced concrete 3 for foundation floor of the bathroom.

In the floor drainage apparatus 1 for a layered pipe according to an embodiment of the present invention, a water sealing (sealing) structure is provided by an inner member 20 and an outer member 20 arranged to be spaced apart from each other in the bottom drainage body portion 10 the sewage collected by the outer member 20 through the inner member 40 flows over the space between the inner member 40 and the outer member 20 and flows over the outer member 20, The drainage water is drained through the first drain connection pipe 11 of the drainage body part 10 by the amount of the drainage water introduced into the drainage member 20 through the inner member 40, Drainage connection pipe (11).

The upper end of the outer member 20 is located above the bottom surface of the first drain connection pipe 11 of the bottom drainage body portion 10 in the floor drainage apparatus 1 for layered piping according to one embodiment of the present invention The first drain connection pipe 11 and the L-shaped or T-shaped drainage portion 10 of the bottom drainage body portion 10 forming the connection portion between the bottom drainage body portion 10 and the L-shaped or T-shaped drainage portion 60, The second drain connection pipe 61 of the bottom drainage main body 10 is extended from the bottom floor reinforcement concrete 3 so that the first drainage connection pipe 61 of the bottom drainage main body 10 11 and a stepped portion is formed between the second drain connection pipe 61 and the bottom surface of the L-shaped or T-shaped drainage portion 60.

The above-mentioned two-step step formed in the drainage path between the bottom drainage body 10 and the L-shaped or T-shaped drainage 60 serves to induce natural drainage and prevent reverse flow similarly to the gradient So that drainage can be smoothly performed from the bottom drainage body 10 to the L-shaped or T-shaped drainage 60.

In the floor drainage apparatus 1 for layered piping according to one embodiment of the present invention as described above, the connecting portion of the bottom drainage body portion 10 and the L-shaped or T-shaped drainage portion 60 is connected to the base floor The space for forming the waterproof layer can be secured at the connection portion between the bottom drainage body 10 and the L-shaped or T-shaped drainage 60 as the space is separated from the reinforced concrete 10, The waterproofing layer 7 can be formed at the same time as the installation of the floor drainage apparatus 1 for layered pipes can be performed quickly and easily.

It will be apparent to those skilled in the art that, although the above embodiments have been illustrated by way of example, the present invention may be embodied in many other forms without departing from its spirit and scope. Accordingly, the above-described embodiments are to be considered illustrative and not restrictive, and all implementations within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

1: Floor drainage for layered piping
3: Reinforced concrete for foundation floor
5: Plain concrete
7: Waterproof layer
9:
10: Floor drainage body part
11: first drain connector
20: outer member
30: upper frame
31: 1st step
33: 2nd step
40: Inner member
41: Mounting flange
50: Drain cover
51: drainage
60: L-shaped or T-shaped drainage part
61: second drain connector
63: Third drain connector

Claims (6)

A first drain connection pipe (11) is provided on one side of the reinforced concrete (3) for foundation of the bathroom and extended in a state spaced apart from the bottom floor reinforced concrete (3) A bottom drainage body 10;
An outer member 20 accommodated in the bottom drainage body 10 and formed in a shape of an opened upper surface;
An upper frame 30 which is seated on the upper end of the bottom drainage body 10 and has a first step 31 formed on the lower side of the inner surface and a second step 33 formed on the upper side of the inner surface;
And extends from the bottom surface of the outer member 20 to the inside of the outer member 20 in a state that the upper end of the outer member 20 is vertically penetrated and is supported by the first step 31 of the upper frame 30 An inner member (40) which is spaced apart;
A drain cover (50) seated on the second step (33) of the upper frame (30) and having a plurality of drain holes (51) formed therethrough; And
A second drain connection pipe 61 into which the first drain connection pipe 11 of the bottom drainage body 10 is inserted is extended in a state spaced apart from the bottom floor reinforced concrete 3, And an L-shaped or T-shaped drainage portion (60) into which a third drain connection pipe (63) extends.
The method according to claim 1,
Wherein the outer member (20) is in close contact with the interior of the bottom drain body (10) and the inner member (40) is spaced from the inner surface of the outer member (20) Floor drain for piping.
The method according to claim 1,
Wherein the upper end of the outer member (20) is located above the bottom surface of the first drain connection pipe (11) of the bottom drain body (10).
The method according to claim 1,
Wherein the third drain connection pipe (63) in the L-shaped or T-shaped drainage section (60) is located below the second drain connection pipe (61).
The method according to any one of claims 1 to 4,
The side surfaces of the bottom drainage body 10, the upper frame 30 and the L-shaped or T-shaped drainage portion 60 are connected to the non-floored concrete 5 stacked on the foundation flooring reinforced concrete 3 of the bathroom And the bottom wall is supported and fixed by the bottom wall.
The method according to any one of claims 1 to 4,
The first bottom water connection pipe 11 of the bottom floor body 10 and the second water connection pipe of the L-shaped or T-shaped drainage unit 60, which are separated from the bottom floor reinforced concrete 3, 61) is formed between the upper and lower portions of the floor drainage pipe (7).
KR2020150008319U 2015-12-17 2015-12-17 Floor drain apparatus KR20170002282U (en)

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Application Number Priority Date Filing Date Title
KR2020150008319U KR20170002282U (en) 2015-12-17 2015-12-17 Floor drain apparatus

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Application Number Priority Date Filing Date Title
KR2020150008319U KR20170002282U (en) 2015-12-17 2015-12-17 Floor drain apparatus

Publications (1)

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KR20170002282U true KR20170002282U (en) 2017-06-27

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KR2020150008319U KR20170002282U (en) 2015-12-17 2015-12-17 Floor drain apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210000700U (en) 2019-09-19 2021-03-29 (주)경동하이테크판매 Dual pipe type floor drainage apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090043926A (en) 2007-10-30 2009-05-07 주식회사 청완 Drain equipment for bathroom floor coupled with drain pipe system laid on floor
KR20090124896A (en) 2008-05-29 2009-12-03 주식회사 청완 Drainage device for on-floor piping
KR20110137931A (en) 2010-06-18 2011-12-26 이종태 Drain tray for bathroom floor coupled with drain pipe system laid on floor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090043926A (en) 2007-10-30 2009-05-07 주식회사 청완 Drain equipment for bathroom floor coupled with drain pipe system laid on floor
KR20090124896A (en) 2008-05-29 2009-12-03 주식회사 청완 Drainage device for on-floor piping
KR20110137931A (en) 2010-06-18 2011-12-26 이종태 Drain tray for bathroom floor coupled with drain pipe system laid on floor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210000700U (en) 2019-09-19 2021-03-29 (주)경동하이테크판매 Dual pipe type floor drainage apparatus

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