JP5315208B2 - Drainage container - Google Patents

Description

The present invention relates to a drainage container.
More specifically, the present invention relates to a structure in which a water collecting portion of a drainage container is provided with a joined body formed of a material having the same or good joining property as a waterproof member laid at a place where the drainage container is installed.

  For floor drainage structures such as bathrooms in apartment houses and verandas in wooden houses, the finish is beautiful and easy to install, so a method of installing a waterproof layer of fiber reinforced plastic (hereinafter referred to as “FRP”) on mortar It is popular. In this method, a drainage container is disposed at an appropriate position of a floor slab, mortar is filled and buried up to the outer peripheral edge of the water inlet of the drainage container, and an FRP waterproof layer is installed on the mortar.

  By the way, as a drainage container suitable for use in the construction method, for example, a drainage container described in Patent Document 1 can be cited. The drainage container has a trap connection port for connecting a drain trap provided at the upper part of the drainage container, a water collecting part provided around the trap connection port, and a drain pipe provided on the side of the drainage container. And a pipe connection port to be connected, and has a structure suitable for receiving the water that permeates the mortar layer and reaches the waterproof layer into the drainage container.

JP 2006-241705 A

  When the construction method is performed using the drainage container, mortar is filled and buried up to the outer peripheral edge of the water collecting portion, and an FRP waterproof layer is installed on the mortar.

  At this time, an FRP repair coating agent (polyester resin and glass fiber such as a glass mat is used in combination with a glass fiber such as a polyester mat and a hardener added in order to prevent water leakage due to a gap between the drainage container water collecting portion and the FRP waterproof layer. An operation (hereinafter referred to as “sealing operation”) for filling the gaps using a coating agent that becomes FRP by curing) or the like is performed.

However, since the drainage container described in Patent Document 1 is made of metal, the adhesion with the FRP repair coating agent is not always good, and sanding treatment is applied to the drainage container according to the situation at the site, and the FRP repair coating agent is repeatedly applied. There was a problem that it took time to complete water leakage prevention work such as application.
In addition, when performing the water leakage prevention work as described above using the drainage container described in Patent Document 1, the sealing work for filling the gap between the drainage container and the FRP waterproof layer is less because the FRP has little allowance for the water collection part. There is also a problem that skill is required to complete the sealing work quickly while ensuring sufficient waterproofness.

(Object of invention)
Therefore, an object of the present invention is to provide a waterproof member laid during installation work and the joined body by providing a joined body formed of a material having the same or good jointability as the waterproof member in the water collecting portion. good bondability is, the sealing work in the field is able to shorten the are and work time simple, is to provide a work efficient drainage container.

The means of the present invention taken to achieve the above object are as follows.
The present invention, drainage trap vertical pulling structure provided is water collecting chambers to the floor is connected, the drain trap is connected to the drainage container, the drainage pipe to the wastewater containers piping on the floor slab is connected, wherein the gathered wastewater collecting squares enters the drain trap, the waste water container is discharged through the drain pipe of the drain trap in the drainage container, used for floor drainage structure which is drained through the drain pipe Because
The drainage container is
A container body;
A circularly connected trap connection port for inserting the drainage trap;
A water collecting panel provided around the trap connection port ;
Advance is adhered watertight on the front surface of the water collecting plate, an outer peripheral edge and the plate-like assembly protrudes from the peripheral edge of the collection basin,
A pipe connection to which the drain pipe is connected;
Bei to give a,
Furthermore, the drainage container
Except for the joined body, it is integrally made of cast iron,
An embankment provided around the entire circumference of the mouth of the trap connection port;
An outer bank part arranged over the entire circumference excluding the location of the water passage recesses on the outer periphery of the bank part,
With
The joined body that is preliminarily water-tightly adhered to the surface of the cast iron water collecting board,
It is formed of a material having the same or good bonding property as a waterproof member laid at a location where the drainage container is installed.
The central portion has a circular opening, and the edge of the opening is disposed along the outer peripheral edge of the outer bank portion.
It is a drainage container.

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(Work)
A description will be given of the operation of waste water container according to the present invention.
[During construction]
When applying a floor drainage structure with drainage container, intends row the task of sealing the waterproof layer and the assembly site drainage container.

  At this time, since the waterproof member and the joined body laid at the place where the installation work of the drainage container is performed are made of the same or good material, the jointability is good. In addition, the sealing work is simple and the work time is shortened.

  Further, when both the joined body of the drainage container and the waterproof layer are FRP, the joining property is further improved, the on-site sealing work is simple, and the working time is shortened.

[After construction]
Next, the operation of the drainage container and floor drainage structure after construction will be described.
Domestic wastewater collected from the floor of a bathroom or the like into a drainage basin enters a drainage trap through the drainage basin and is discharged into a drainage container. And it drains through a drain pipe from a piping connection part.

  At this time, the water that has permeated through the mortar layer and reached the waterproof layer passes through the waterproof layer and is discharged into the drainage container through a hole or groove provided in the water collecting board. As a result, the water does not reach or hardly reaches the layer below the place where the drainage container is installed (for example, floor slab or downstairs).

The present invention has the following effects.
(1) The drainage container has good jointability with the waterproof member laid during the installation work by the joined body formed of the same or good material as the waterproof member. Since it is attached in a watertight manner, etc., it leads to simplification of sealing work on site and reduction of work time, and improvement in work efficiency can be expected. Similarly, the floor drainage structure using the drainage container is easy to perform on-site sealing work, shortens the work time, and can be expected to improve work efficiency.

(2) The drainage container in which the joined body related to the water collection part of the drainage container is formed of fiber reinforced plastic, and the surface (upper surface) of the water collection part and the joined body are bonded together, Bondability between the fiber reinforced plastic, which is a waterproofing member to be laid, and the joined body is further improved, leading to simplification of the on-site sealing work and reduction of work time, and improvement in work efficiency can be expected.

The perspective explanatory view of the drainage container in a 1st embodiment. FIG. 2 is an explanatory plan view showing a drainage structure using the drainage container shown in FIG. 1, showing a drainage container located under the joined body with a broken line, and omitting a part of the catchment of the catchment. FIG. 2 is an explanatory plan view showing a drainage structure using the drainage container shown in FIG. 1, showing a joined body by a one-dot chain line, and omitting a part of the catchment of the catchment. II sectional drawing of the drainage structure shown in FIG.2 and FIG.3. Sectional explanatory drawing of the floor drainage structure which shows the state which installed the drainage structure shown in FIG.2 and FIG.3. Cross-sectional explanatory drawing which showed the drainage structure using the drainage container in 2nd Embodiment.

[First Embodiment]
A first embodiment of the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a perspective explanatory view of the drainage container in the first embodiment, FIG. 2 shows a drainage structure using the drainage container shown in FIG. 1, the drainage container located under the joined body is indicated by a broken line, FIG. 3 shows a drainage structure using the drainage container shown in FIG. 1, FIG. 3 shows a drainage structure using the drainage vessel shown in FIG. FIG. 4 is a cross-sectional view taken along the line II of the drainage structure shown in FIGS. 2 and 3, and FIG. 5 is a cross-sectional explanatory view of the floor drainage structure showing the state where the drainage structure shown in FIGS. It is.

  The drainage structure A shown in FIGS. 2 to 4 includes a drainage container 1a, a drainage trap 2 connected to the drainage container 1a, and a drainage basin 3.

[Drainage container 1a]
Please refer to FIG.
The drainage container 1a is comprised by the container main body 10, the water collection board | substrate 104, the trap connection port 11, the conjugate | zygote 12, and the piping connection part 13, and it demonstrates further each part.

In the present embodiment, the waste water container 1a, except assemblies 12 and the packing 122 will be described later, that are made together by cast iron.

  The container body 10 has a structure in which a cylindrical box portion 101 and a square box portion 102 are communicated in the horizontal direction, and a trap connection port 11 that is opened in a circular shape is provided on the upper surface of the cylindrical box portion 101.

  A substantially cylindrical pipe connecting portion 13 is provided on the end wall of the square box portion 102 of the container body 10. A female screw portion 130 is formed on the inner peripheral portion of the pipe connection portion 13 so that a drain pipe 4 to be described later can be screwed and connected.

  On the inner bottom portion of the cylindrical box portion 101 of the container body 10, a spacer 103 constituted by a linear protrusion is provided at a required rising height.

In the present embodiment, the direction in which the spacer is provided is parallel to the pipe direction of the pipe connection portion, but is not limited to this, and the drain port end portion of the drain trap and the inner bottom portion of the cylindrical box portion are not limited thereto. If a gap for water passage can be secured between them, it can be provided in another direction. Also, the number is not limited.
In addition, the spacer does not necessarily need to be provided as long as the drain outlet end is in close contact with the inner bottom of the container body and the drain outlet is not blocked.

The trap connection port 11 has a groove 121 formed on the inner wall of the trap connection port 11 in the almost middle portion in the height direction over the entire circumference, and a rubber-made ring-shaped packing 122 is attached to the groove 121. .
The packing 122 has a substantially pentagonal cross section, and two surfaces forming a sharpened portion are on the inside, and three outer right surfaces are fitted in the groove 121. The inner diameter of the packing 122 is set so that the outer portion of the drain trap 2 to be inserted and connected is in close contact with the liquid.

  Around the trap connection port 11, a water collection board 104 formed in an annular shape is provided. The water collecting board 104 is formed so that the diameter between the outer edge parts is about twice the inner diameter of the trap connection port 11, and one side is integrated with the upper part of the square box part 102 (see FIGS. 1 and 4). . The water collecting board 104 has a shape that is inclined from the outer peripheral edge of the water collecting board 104 toward the trap connection port 11 with a required width and is provided so that water can be introduced to the trap connection port 11.

  A bank which is a ridge formed at a position adjacent to the trap connection port 11 (the edge of the trap connection port 11) in the water collecting board 104 is slightly higher than a ridge 123 and an outer ridge part 124 described later. The portion 120 is provided over the entire circumference of the trap connection port 11.

  On the outer peripheral edge of the water collecting board 104, a protrusion 123 protruding upward is provided over the entire circumference.

  Between the ridge 123 in the diameter direction of the water collecting board 104 and the bank 120, an outer bank 124, which is a ridge protruding upward, is provided over the entire circumference. More specifically, the outer bank portion 124 is a portion where a downward slope (hereinafter referred to as “slope portion 105”) from the outer peripheral edge portion of the water collecting panel 104 toward the trap connection port 11 ends (a portion of a flat portion). The outer peripheral side end portion is formed so that a gap with a required width is formed between the bank portion 120 and the bank portion 120.

The outer bank portion 124 is formed with water passage recesses 125 penetrating in the circumferential direction, and the water passage recesses 125 are provided at equal intervals and at four locations.
In addition, a plurality of water passage holes 126 obliquely penetrating into the container body 10 are formed in the bank portion 120, and each water passage hole 126 is provided so as to communicate with a portion corresponding to each water passage recess 125. It is.

A square plate-like joined body 12 made of FRP is provided on the outer peripheral side of the surface of the water collecting board 104. More specifically, the joined body 12 has a circular opening (reference numeral omitted) at the center of the joined body 12, and the vicinity of the inner peripheral edge of the opening and the slope 105 of the water collecting board 104 are adhered in a liquid-tight manner. is there. The method for forming the bonded body 12 will be described in more detail below in [Method for forming the bonded body 12].
In the present embodiment, the joined body is a square, but is not limited thereto, and may be a known shape such as a triangle, a rectangle, other polygons, a circle, an ellipse, or the like.

[Method of forming joined body 12]
A method for forming the joined body 12 will be described in detail.
(1) Sanding is performed on the surface of the slope 105 of the water collection board 104 of the drainage container 1a.
(2) The surface of the slope portion 105 after the sanding process is wiped using thinner, acetone or the like and dried. Check the dryness by palpation.
After drying, an adhesive tape (hereinafter referred to as “curing tape”) is applied to the surface of the slope portion 105 that has been sanded, and then cured.
(3) The curing tape attached to the surface of the slope portion 105 is peeled off, and a primer is applied to the surface of the slope portion 105. At this time, a curing tape that covers each part is attached to the water passage hole 126 provided in the bank portion 120 and the water passage recess 125 provided in the outer bank portion 124 so as not to be blocked by the inflow of the primer to be applied. . The amount of primer applied is 0.2 kg / m ² as a guide, and the dry state is confirmed by palpation.
(4) Putting or applying a putty on the surface of the slope portion 105 to perform a process of flattening the unevenness. Check the dryness by palpation.
(5) The drainage container 1a is set on a gantry, the glass fiber mat is impregnated with FRP resin, defoamed with a defoaming roller, and then the FRP resin is dried. In the present embodiment, the bonded body 12 is formed by two glass fiber mats one by one or two layers. Check the dryness by palpation.
(6) Remove the drainage container 1a from the mount. Take the curing tape and apply the curing tape again. Subsequently, inflow of FRP resin is prevented by the curing tape.
(7) FRP resin is overcoated so that the thickness becomes smooth (intermediate coating). The FRP resin is dried after the intermediate coating. Check the dryness by palpation. Remove the curing tape after drying. If the fibers of the glass fiber mat are visible or if a sufficient thickness is not ensured, the FRP resin is applied again.
(8) In order to make the formed joined body 12 into a required size or shape, an excess part is cut with a disk sander or the like.
(9) The back side of the drainage container 1a is sealed. Specifically, the drainage container 1a is turned over, and a portion where the peripheral surface of the container body 10 and the joined body 12 are in contact with each other is watertightly treated with a caulking material. Check the dryness by palpation. When dried, the joined body 12 is completed.

[Drain trap 2]
The drain trap 2 is a vertical pulling type, has a container 20, and a drain cylinder 21 protrudes downward from the central portion of the inner bottom of the container 20. The outer peripheral surface of the container 20 is the inner diameter of the packing 122. It is inserted into the trap connection port 11 in a liquid-tight contact with the part and connected. Reference numeral 22 denotes a connecting tube for connecting a large diameter pipe.

Inside the container 20, a plurality of mounting ribs 23 are provided from the inner bottom portion to the inner side portion of the container 20, and a casing 24 is mounted on the upper portion of each mounting rib 23.
A water inlet 25 is provided on the upper opening side of the container 20. The water inlet 25 is fitted with a water guide cylinder 26 whose lower side is inserted into the housing 24 and whose upper part is formed with a large diameter.
The upper part of the container 20 is configured to be connected to a drain port 30 of a water collecting basin 3 to be described later.

  In the present embodiment, the drain trap is generally formed of plastic, but is not limited to this, and may be formed of other known materials such as metal.

  In the present embodiment, the drain trap having the above-described structure is employed. However, drain traps having other structures may be employed as long as they are vertically pulled.

[Catchment 3]
The water collecting basin 3 is fitted into the housing 31 from the box-shaped housing 31 having an opening at the top and a part of the bottom, the drain port 30 constituted by the opening at the bottom of the housing 31, and the housing 31. And a grating 32 attached.

  The casing 31 is a shallow box formed by a rectangular bottom surface having a circular opening (the drain port 30) formed at the center and side walls rising upward from the four sides of the bottom surface. A drain trap 2 is attached to the rim of the drain port 30.

  The grating 32 is formed by connecting a plurality of T-shaped scissors members in the width direction and connecting them in the width direction, and the lower end of the portion to be a support leg is placed on the inner bottom surface of the housing 31 (the inner bottom surface other than the drain port 30). Has been supported. The grating 32 is provided so as to be removable from the housing 31.

[Floor drainage structure]
FIG. 5 is a cross-sectional explanatory view of the floor drainage structure showing a state where the drainage structure shown in FIGS. 2 and 3 is installed.
With reference to FIG. 1 thru | or FIG. 5, the construction method of a floor drainage structure is demonstrated taking the case where a floor drainage structure is constructed in the bathroom of the upper-floor dwelling part of an apartment house as an example. In addition, about a construction location, it is not limited to a bathroom, For example, it can also construct as a toilet, a kitchen, or other water-related equipment.

(1) First, the position where the drainage structure A is arranged is determined, and the drainage pipe 4 is piped on the floor slab 5 accordingly.
(2) A sealing material is attached to the connection thread portion at the tip of the drain pipe 4 and connected to the pipe connection section 13 of the drain container 1a, and the height at which the drain container 1 is fixed is set.

(3) The mortar 6 is applied to the height of the outer peripheral edge of the joined body 12 of the drainage container 1a. At this time, mortar is prevented from entering the upper surface of the joined body 12.
(4) The waterproof layer 7 is formed on the mortar 6. The waterproof layer 7 may be formed by arranging a sheet-like waterproof member made of FRP on the top surface of the mortar 6, or applying a waterproof coating material (waterproof coating material) to the top surface of the mortar 6. It may be formed by combining a waterproof member and a waterproof coating material.

  When the waterproof layer 7 is formed by disposing a sheet-like waterproof member on the top surface of the mortar 6, the waterproof member is formed so as not to cover the drainage structure A by opening a hole in the waterproof member. More specifically, the surface of the waterproof layer 7 is formed on the upper surface of the joined body 12 of the existing drainage structure A (so long as the place is on the joined body 12, but at least the inner side of the outer bank portion 124 is not covered). The waterproof member is placed so as to be higher than the joined body 12, and the joint between the waterproof layer 7 and the joined body 12 is constructed so as to be watertight with a caulking material or a waterproof coating material. The surface of the waterproof layer 7 and the surface of the joined body 12 may be arranged so as to be flush with each other, and the seam between the waterproof layer 7 and the joined body 12 may be watertight with a caulking material or a waterproof coating material.

  When a waterproof coating material is applied to the top surface of the mortar 6 to form the waterproof layer 7, the surface of the waterproof layer 7 is higher than the joined body 12 (overlays the top surface of the joined body 12), or the surface of the waterproof layer 7 and the joined body 12 surface. Is constructed so that the joints of the waterproof layer 7 and the joined body 12 are watertight with a caulking material or a waterproof coating material.

(5) The catchment basin 3 with the grating 32 attached to the housing 31 is attached to the upper part of the drainage trap 2, the drainage trap 2 is inserted into the trap connection port 11 of the drainage container 1, and the height is adjusted. Even if the set height when adjusting the height is lowered, the lower end of the drain tube 21 does not come into contact with the upper surface of the spacer 103 and becomes lower than the spacer 103, and it does not pass between the inner bottom of the container body 10. A gap for water is secured. In some cases, the height can be adjusted by cutting a part of the drain tube 21 and the connecting tube 22.

(6) The horizontal level of the upper surface of the catchment basin 3 is adjusted to the planned floor surface, and concrete 8 and mortar 9 are constructed and fixed in order.
(7) The tile T is applied to the upper surface of the mortar 9 so that the upper surface level thereof matches the upper surface level of the catchment basin 3, and the installation is completed.

(Work)
The operation of the drainage structure A and the floor drainage structure using the drainage structure A will be described.
[During construction]
In the floor drainage structure of this embodiment, since the joined body 12 and the waterproof layer 7 of the drainage container 1a according to the drainage structure A are both FRP, the jointability is good, and the joined body is previously watertightly attached in a factory or the like. Therefore, the on-site sealing work is simple and the working time can be shortened, so that improvement of working efficiency can be expected.

[After construction]
Next, the operation of the drainage structure after construction and the floor drainage structure will be described.
The domestic wastewater collected from the bathroom floor to the catchment 3 enters the drainage trap 2 through the catchment 3 and is discharged from the drainage cylinder 21 into the drainage container 1a. And it drains through the drain pipe 4 horizontally drawn from the piping connection part 13, and the drain pipe (illustration omitted) piped in the vertical direction by the common part of the apartment house.

  In addition, the water that permeates through the layers of the tile T, the mortar 9 and the concrete 8 or reaches the waterproof layer 7 through a gap formed between the layer and the drainage structure A passes through the waterproof layer 7 and passes through the water passage holes 126. The water is discharged into the drainage container 1 through the floor slab 5 (and consequently downstairs).

  In this embodiment, the water collecting basin is square in plan view and is small (substantially the same as the pipe diameter of the drain trap), but the water collecting basin may be larger.

[Second Embodiment]
A second embodiment of the present invention will be described in more detail based on the drawings.
FIG. 6 is a cross-sectional view illustrating a drainage structure using a drainage container according to the second embodiment.

The drainage structure B shown in FIG. 6 includes a drainage container 1b, a drainage trap 2b connected to the drainage container 1b, and a water collecting tank 3.
In addition, since the drainage structure A and the drainage structure B are similar structures, the description of the components that are the same as or substantially common to the drainage structure A and the same reference numerals are used for the components of the drainage structure B Differences from the drainage structure A will be described.

[Drainage container 1b]
The drainage container 1b includes a container body 10b, a water collection board 104, a trap connection port 11, a joined body 12, and a pipe connection part 13b.

  The container body 10b is a bottomed cylindrical body having an opening at the top and the center of the bottom. The opening at the top serves as a trap connection port 11 that opens in a circle, and the opening 106 at the center of the bottom is connected to the pipe connection 13b. ing.

Incidentally, that it has been made together by cast iron except assemblies 12 and the packing 122 also drainage container 1b.

[Drain trap 2b]
A connecting cylinder 22b is provided at the bottom of the container 20 related to the drain trap 2b. The connection tube 22b includes a plurality of water holes 222 on the peripheral surface, and each water hole 222 is formed in an arc shape that extends downward. In addition, the water passage hole is not limited to the above shape, and may be a hole having another shape as long as water can be passed, or may have a structure such as a mesh shape.

  In the drainage structure B, the drain trap 2b has the bottom of the connecting cylinder 22b placed on the inner bottom surface of the drain container 1b, and the drain cylinder 21 is fitted into the opening 106 formed in the inner bottom of the drain container 1b. To be attached. The drain tube 21 is arranged so that a gap is formed between the outer peripheral surface of the drain tube 21 and the edge of the opening 106.

[Floor drainage structure]
In the floor drainage structure in which the drainage structure B is installed, the installation direction of the pipe connecting portion 13b and the drainage pipe 4 to be connected is vertical (in the floor drainage structure in the first embodiment, the installation direction of the drainage pipe 4 is the horizontal direction. ) Is the same as in the first embodiment except for the above, and the description and illustration regarding the structure are omitted.

(Work)
The operation of the drainage structure B and the floor drainage structure using the drainage structure B will be described. In addition, description is abbreviate | omitted about the effect | action which is the same as the floor drainage structure in 1st Embodiment, or substantially common.

[After construction]
The operation of the drainage structure B and the floor drainage structure after construction will be described.
The domestic wastewater collected in the catchment basin 3 from the floor of the bathroom enters the drainage trap 2b through the catchment basin 3, and is discharged from the drainage cylinder 21 through the pipe connection part 13b and the connected drainage pipe 4.

  It should be noted that the water that permeates through the tile, mortar, and concrete layers or reaches the waterproof layer through the gap formed between the layer and the drainage structure B passes through the waterproof layer and passes through the water passage hole 126 to the drainage container 1b. Since the inflowing water is discharged through the pipe connection part 13b and the drainage pipe 4 through the clearance holes 222 and the outer peripheral surface of the drainage cylinder 21 and the opening 106 edge of the drainage trap 2b. , The floor slab layer does not reach or hardly reaches water.

  In the drainage structure B in the present embodiment, since the installation direction of the pipe connection portion 13b and the drainage pipe 4 to be connected is downward, for example, there is a margin in the thickness of the floor slab layer or the pipe is installed with the pipe facing downward. It can be used for a bathroom or a toilet of a possible building structure (for example, the first floor of an apartment house or a detached house).

  The terms and expressions used in the present specification and claims are for illustrative purposes only, and are not intended to be limiting in any way. The features described in the present specification and claims and their terms There is no intention of excluding some equivalent terms and expressions. It goes without saying that various modifications are possible within the scope of the technical idea of the present invention.

A, B Drainage structure 1a, 1b Drainage container 10, 10b Container body 101 Cylindrical box part 102 Square box part 104 Drainage board 105 Slope part 106 Opening part 11 Trap connection port 12 Junction body 120 Embankment part 121 Groove 122 Packing 124 Outer bank Portion 125 Water passage recess 126 Water passage hole 13, 13b Pipe connection portion 130 Female screw portion 2, 2b Drain trap 20 Container 21 Drain tube 22, 22b Connection tube 222 Water passage hole 23 Mounting rib 24 Housing 25 Water inlet 26 Lead Water bottle 3 Drainage tank 30 Drain outlet 31 Housing 32 Grating 4 Drain pipe 5 Floor slab 6 Mortar 7 Waterproof layer 8 Concrete 9 Mortar T tile

Claims (2)

Drainage trap of vertical pulling structure connected to the collector provided at the floor water squares, the drainage trap is connected to the drainage container, the drainage pipe to the drainage container is a pipe on the floor slab is is connected, the water collecting the gathered wastewater squares enters the drainage trap is discharged into the drainage pipe or al the drainage container within the drainage trap, floor drainage structure which is drained through the drain pipe a drainage container for use in,
The drainage container includes
A container body;
And trap connection port which is open in a circular shape to insert the drainage trap,
A current that has been kicked set basin around the trap connecting port,
Advance is adhered watertight on the front surface of the water collecting plate, an outer peripheral edge and the plate-like assembly protrudes from the peripheral edge of the collection basin,
A pipe connection to which the drain pipe is connected ;
Bei to give a,
Furthermore, the drainage container
Except for the joined body, it is integrally made of cast iron,
An embankment provided around the entire circumference of the mouth of the trap connection port;
An outer bank part arranged over the entire circumference excluding the location of the water passage recesses on the outer periphery of the bank part,
With
The joined body that is preliminarily water-tightly adhered to the surface of the cast iron water collecting board,
It is formed of a material having the same or good bonding property as a waterproof member laid at a location where the drainage container is installed.
The central portion has a circular opening, and the edge of the opening is disposed along the outer peripheral edge of the outer bank portion.
Drainage container. The joined body is a fiber reinforced plastic;
The drainage container according to claim 1.

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