WO2019063860A1 - Ceramic drain grating - Google Patents

Ceramic drain grating Download PDF

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Publication number
WO2019063860A1
WO2019063860A1 PCT/ES2018/070599 ES2018070599W WO2019063860A1 WO 2019063860 A1 WO2019063860 A1 WO 2019063860A1 ES 2018070599 W ES2018070599 W ES 2018070599W WO 2019063860 A1 WO2019063860 A1 WO 2019063860A1
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WO
WIPO (PCT)
Prior art keywords
grid
flat areas
concave
intended
water
Prior art date
Application number
PCT/ES2018/070599
Other languages
Spanish (es)
French (fr)
Inventor
Eva Mayor Ronda
Original Assignee
Cerámica Mayor, S.A.
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 Cerámica Mayor, S.A. filed Critical Cerámica Mayor, S.A.
Priority to EP18861333.5A priority Critical patent/EP3690158A4/en
Publication of WO2019063860A1 publication Critical patent/WO2019063860A1/en

Links

Classifications

    • 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
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1218—Devices for removal of polluted water; Circumferential gutters
    • E04H4/1227—Circumferential gutters
    • 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
    • E03F5/06—Gully gratings
    • 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
    • E03F5/0408—Floor drains for indoor use specially adapted for showers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02177—Floor elements for use at a specific location
    • E04F15/02188—Floor elements for use at a specific location for use in wet rooms

Definitions

  • the present invention relates to a ceramic piece of drainage that has a characteristic structure, both in aesthetic sense and functional sense.
  • the grids of the invention are placed and adjusted flush with the floor, the water passing to the drainage channel through through holes located in the grids of the invention.
  • drainage pipes are known to collect rainwater, irrigation water, water that overflows from swimming pools, etc.
  • the mouths of these ducts are covered by means of closure pieces with through holes, through which the water flows to the drainage ducts.
  • the closing pieces are usually made of materials as diverse as, for example, plastic, concrete, cast iron or pieces composed of various materials.
  • the most conventional and usual form of the closure pieces for a surface sink is through a grid, which are usually made of plastic material and which rest on a structure designed for that purpose.
  • Said grate has several drawbacks since, being in contact with waters of different origin, they can be easily deteriorated by different agents present in the water, over time, as it can be in situations of swimming pool waters with chlorine, cleaning of sanitary facilities, food, etc. Therefore, it is possible that, over time, said type of pieces require a maintenance and / or replacement, which implies an additional cost in facilities and labor.
  • the grid of the present invention avoids the aforesaid problems by providing a surface sink formed of ceramic material which, therefore, is resistant to corrosion of all residual liquids with which it could be in contact and prevents the accumulation of liquids in surface, by incorporating a surface design for the evacuation of liquids on the surface of the grid. Additionally, the possibility of being developed in different types of finishes allows selecting the most suitable one so that it does not clash and provides an aesthetic integration in the environment in which it is to be located.
  • the present invention describes a ceramic drain grate configured in a rectangular shape with a visible side that is flush with the surface where it is installed, and a hidden face that houses the elements of support in the channel of desgüe.
  • the visible side of the grid comprises two lateral flat areas, according to the larger sides of the rectangle they define.
  • the flat areas are joined by a concave area where the water inlet holes for the drain are located.
  • the concave area is of uniform thickness so that the hidden surface of the grid also offers a concave configuration.
  • the thickness of the concave area is intended so that water does not stagnate not only in the upper zone, seen, but also in the lower area of the grid.
  • the lateral flat areas are intended to level the grid with the ground where it is located, for which each of the flat areas presents a thickening, to exert support.
  • This thickening houses hollow guides all along the flat areas. These guides, in addition to being open for each of the ends of the grid, are also open by the support area.
  • the functionality of the guides is that they have two dampers that will act as bases for the support of the grid, so that the support is not made directly on the grid, due to the inherent characteristics of the ceramic material can produce a fragile break due to rattling for bad adjustment of the 30 support with the grid.
  • the planar areas may have a downward inclination towards the concave zone.
  • the surface seen, formed by the flat areas and the concave zone can be configured with a non-slip texture.
  • FIG. 1 represents a top front perspective view of the grid of the invention.
  • FIG. 2 represents a sectional view of the grid of the invention.
  • the drainage grid of the invention is configured by two elongated flat areas (1) joined by a concave zone (2).
  • the flat areas (1) are preferably not coplanar, but have a slight downward slope towards the concave zone (2).
  • a series of holes (3) are located for the passage of liquids.
  • Both the inclination of the flat area (1) and the concave area (2) of the grid have the function of not retaining liquids whose stagnation can cause unwanted effluvia.
  • the grid is intended for the formation of surface sinks, in order to facilitate the passage of liquids that, typically, will be water. In correspondence with the drainage channel in the ground, several grilles are placed and adjusted, which are flush with the floor, the liquid passing to the drainage channel through the holes (3) of the grids.
  • the grid is made of ceramic material affects several aspects. First, it allows the durability of the grid in the reception of liquids contaminated with chemical agents such as detergents in dressing rooms or sanitary facilities, chlorine in pool areas, or any other. Another important aspect is the ease of integration into the environment in which it is located, due to the ease of variability in manufacturing in terms of different designs based on color, textures and others. As regards the configuration of the grid, the thickness of the concave zone (2) is uniform, while the flat areas (1) have respective thicknesses intended to be the supports of the grid in the drain channel.
  • the surface of the upper face of the grid preferably comprises a non-slip texture
  • the underside (4) of the grid also has a concavity, whose function is that any liquid that passes through the holes (3) is not attached to the bottom face (4) of the grid, but which tends to slide towards the central area where the holes (3) are located.
  • each of the thicknesses of the flat areas (1) incorporates a longitudinal guide (5) configured by a recess, along the entire length of the flat area (1), open to the outside also by the support area.
  • These guides (5) are intended to house two dampers (6) with the function that the grids, due to the fragility of the ceramic material from which they are formed, rest on the dampers (6) instead of on the ceramic material itself , avoiding breaks.
  • the dampers (6) are configured by an extruded longitudinal piece, whose material is preferably a rubber or rubber for absorbing shocks or small irregularities of the projections where the grids are supported.
  • a study of the required water evacuation flow determines not only the size of the holes (3) of the grid, which are typically oblong in shape, but also their position, which is usually transverse, and separation between them.

Abstract

The invention relates to a ceramic drain grating that comprises two lateral planar zones (1) joined by a concave zone (2) with openings (3), the concave zone (2) having a uniform thickness and each of the planar zones (1) having an area of increased thickness, serving as a bearing and housing hollow guides (5) for receiving dampers (6), so that the lateral planar zones (1) are intended to ensure that the grating is level with the ground in which it is installed and the thickness of the concave zone (2) is intended to prevent water from pooling in any of the upper and lower zones of the grating.

Description

REJILLA CERÁMICA DE DESAGÜE DESCRIPCIÓN OBJETO DE LA INVENCIÓN  DRAIN CERAMIC GRILLE DESCRIPTION OBJECT OF THE INVENTION
La presente invención se refiere a una pieza cerámica de desagüe que presenta una característica estructura, tanto en sentido estético como en sentido funcional.  The present invention relates to a ceramic piece of drainage that has a characteristic structure, both in aesthetic sense and functional sense.
Está destinada a la formación de sumideros de superficie con el fin de facilitar el paso del agua hacia una canalización de desagüe en el suelo. Las rejillas de la invención se colocan y ajustan enrasadas con el suelo, pasando el agua a la canalización de desagüe a través de unos orificios pasantes ubicados en las rejillas de la invención. It is intended for the formation of surface sinks in order to facilitate the passage of water to a drainage channel in the ground. The grids of the invention are placed and adjusted flush with the floor, the water passing to the drainage channel through through holes located in the grids of the invention.
Encuentra especial aplicación en el ámbito de la industria de elementos estructurales de construcción concebidos para hacer circular el agua. Find special application in the field of structural construction elements industry designed to circulate water.
PROBLEMA TÉCNICO A RESOLVER Y ANTECEDENTES DE LA INVENCIÓN TECHNICAL PROBLEM TO BE RESOLVED AND BACKGROUND OF THE INVENTION
En la actualidad son conocidas las canalizaciones de desagüe para recoger el agua de lluvia, agua de riego, agua que se desborda de las piscinas, etc. En la mayoría de los casos, las embocaduras de esas canalizaciones están cubiertas mediante unas piezas de cierre con orificios pasantes, a través de los cuales discurre el agua hacia las canalizaciones de desagüe.  At present, drainage pipes are known to collect rainwater, irrigation water, water that overflows from swimming pools, etc. In most cases, the mouths of these ducts are covered by means of closure pieces with through holes, through which the water flows to the drainage ducts.
Las piezas de cierre suelen ser de materiales tan diversos como, por ejemplo, plástico, hormigón, fundición o piezas compuestas de varios materiales. The closing pieces are usually made of materials as diverse as, for example, plastic, concrete, cast iron or pieces composed of various materials.
Así pues, la forma más convencional y habitual de las piezas de cierre para un sumidero en superficie es mediante una rejilla, que suelen ser de material plástico, y que apoyan sobre una estructura destinada a tal fin. Dicha rejilla posee varios inconvenientes ya que, al estar en contacto con aguas de diferente procedencia, se pueden deteriorar fácilmente por diferentes agentes presentes en el agua, a lo largo del tiempo, como puede ser en situaciones de aguas de piscinas con cloro, aguas de limpieza de instalaciones sanitarias, alimentarias, etc. Por ello, es posible que a lo largo del tiempo dicho tipo de piezas precisen un mantenimiento y/o recambio, lo que implica un coste adicional en instalaciones y mano de obra. Thus, the most conventional and usual form of the closure pieces for a surface sink is through a grid, which are usually made of plastic material and which rest on a structure designed for that purpose. Said grate has several drawbacks since, being in contact with waters of different origin, they can be easily deteriorated by different agents present in the water, over time, as it can be in situations of swimming pool waters with chlorine, cleaning of sanitary facilities, food, etc. Therefore, it is possible that, over time, said type of pieces require a maintenance and / or replacement, which implies an additional cost in facilities and labor.
La rejilla de la presente invención evita los mencionados problemas, proporcionando un sumidero en superficie formado de material cerámico que, por lo tanto, es resistente a la corrosión de todos los líquidos residuales con los que pudiera estar en contacto y evita la acumulación de líquidos en superficie, al incorporar un diseño superficial para la evacuación de líquidos en la superficie de la rejilla. Adicionalmente, la posibilidad de ser desarrollada en diferentes tipos de acabado permite seleccionar el más adecuado para que no desentone y proporcione una integración estética en el ambiente en el que vaya a ser ubicada. The grid of the present invention avoids the aforesaid problems by providing a surface sink formed of ceramic material which, therefore, is resistant to corrosion of all residual liquids with which it could be in contact and prevents the accumulation of liquids in surface, by incorporating a surface design for the evacuation of liquids on the surface of the grid. Additionally, the possibility of being developed in different types of finishes allows selecting the most suitable one so that it does not clash and provides an aesthetic integration in the environment in which it is to be located.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
Con el fin de alcanzar los objetivos y evitar los inconvenientes mencionados anteriormente, la presente invención describe una rejilla cerámica de desagüe configurada en forma rectangular con una cara vista que queda enrasada con la superficie donde va instalada, y una cara oculta que alberga los elementos de apoyo en el canal de desgüe. La cara vista de la rejilla comprende dos zonas planas laterales, según los lados mayores del rectángulo que definen. Las zonas planas están unidas mediante una zona cóncava donde se encuentran los orificios de entrada de agua para el desagüe. La zona cóncava es de espesor uniforme de forma que la superficie oculta de la rejilla también ofrezca una configuración cóncava.  In order to achieve the objectives and avoid the drawbacks mentioned above, the present invention describes a ceramic drain grate configured in a rectangular shape with a visible side that is flush with the surface where it is installed, and a hidden face that houses the elements of support in the channel of desgüe. The visible side of the grid comprises two lateral flat areas, according to the larger sides of the rectangle they define. The flat areas are joined by a concave area where the water inlet holes for the drain are located. The concave area is of uniform thickness so that the hidden surface of the grid also offers a concave configuration.
De esta forma, por un lado, el espesor de la zona cóncava, al ser uniforme, está destinado a que no se estanque agua no solo en la zona superior, vista, sino tampoco en la zona inferior de la rejilla. In this way, on the one hand, the thickness of the concave area, being uniform, is intended so that water does not stagnate not only in the upper zone, seen, but also in the lower area of the grid.
Por otro lado, las zonas planas laterales están destinadas a nivelar la rejilla con el suelo donde va ubicada, para lo que cada una de las zonas planas presenta un regruesamiento, para ejercer de apoyo. Este regruesamiento alberga unas guías huecas a todo lo largo de las zonas planas. Estas guías, además de estar abiertas por cada uno de los extremos de la rejilla, también están abiertas por la zona de apoyo. La funcionalidad de las guías es que alberguen sendos amortiguadores que ejercerán de bases para el apoyo de la rejilla, de forma que el apoyo no se realice directamente sobre la rejilla que, por las características inherentes al material cerámico puede producir una rotura frágil debido al traqueteo por un mal ajuste del 30 soporte con la rejilla. On the other hand, the lateral flat areas are intended to level the grid with the ground where it is located, for which each of the flat areas presents a thickening, to exert support. This thickening houses hollow guides all along the flat areas. These guides, in addition to being open for each of the ends of the grid, are also open by the support area. The functionality of the guides is that they have two dampers that will act as bases for the support of the grid, so that the support is not made directly on the grid, due to the inherent characteristics of the ceramic material can produce a fragile break due to rattling for bad adjustment of the 30 support with the grid.
Para evitar el estancamiento de agua de la superficie de la rejilla, las zonas planas pueden presentar una inclinación descendente hacia la zona cóncava. In order to prevent water stagnation from the surface of the grid, the planar areas may have a downward inclination towards the concave zone.
Como última característica de la rejilla, la superficie vista, formada por las zonas planas y la zona cóncava, pueden estar configuradas con una textura antideslizante. As the last feature of the grid, the surface seen, formed by the flat areas and the concave zone, can be configured with a non-slip texture.
BREVE DESCRIPCIÓN DE LAS FIGURAS BRIEF DESCRIPTION OF THE FIGURES
Para completar la descripción de la invención y con objeto de ayudar a una mejor comprensión de sus características, de acuerdo con un ejemplo preferente de realización de la misma, se acompaña un conjunto de dibujos en donde, con carácter ilustrativo y no limitativo, se han representado las siguientes figuras:  To complete the description of the invention and in order to help a better understanding of its characteristics, according to a preferred embodiment of the same, there is attached a set of drawings wherein, for illustrative and not limitative, have been represented the following figures:
- La figura 1 representa una vista en perspectiva frontal superior de la rejilla de la invención. - Figure 1 represents a top front perspective view of the grid of the invention.
- La figura 2 representa una vista en sección de la rejilla de la invención.  - Figure 2 represents a sectional view of the grid of the invention.
A continuación se facilita un listado de las referencias empleadas en las figuras: Below is a list of the references used in the figures:
1. Zona plana.  1. Flat area.
2. Zona cóncava.  2. Concave zone.
3. Orificios.  3. Holes.
4. Cara inferior.  4. Bottom face.
5. Guía.  5. Guide.
6. Amortiguador.  6. Shock absorber.
DESCRIPCIÓN DE UNA REALIZACIÓN PREFERENTE DE LA INVENCIÓN DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION
Considerando la numeración adoptada en las figuras, según se representa en la figura 1 , la rejilla de desagüe de la invención está configurada mediante dos zonas planas (1) alargadas unidas mediante una zona cóncava (2). Las zonas planas (1) preferentemente no son coplanarias, sino que presentan una ligera inclinación descendente hacía la zona cóncava (2). En la zona cóncava (2) se ubican una serie de orificios (3) para el paso de líquidos. Tanto la inclinación de la zona plana (1) como la zona cóncava (2) de la rejilla tienen la función de no retener líquidos cuyo estancamiento puede provocar efluvios no deseados. La rejilla está destinada a la formación de sumideros de superficie, con el fin de facilitar el paso de líquidos que, típicamente, serán agua. En correspondencia con la canalización de desagüe en el suelo se colocan y ajustan varias rejillas, que van enrasadas con el suelo, pasando el líquido a la canalización de desagüe a través de los orificios (3) de las rejillas. Considering the numbering adopted in the figures, as shown in figure 1, the drainage grid of the invention is configured by two elongated flat areas (1) joined by a concave zone (2). The flat areas (1) are preferably not coplanar, but have a slight downward slope towards the concave zone (2). In the concave zone (2) a series of holes (3) are located for the passage of liquids. Both the inclination of the flat area (1) and the concave area (2) of the grid have the function of not retaining liquids whose stagnation can cause unwanted effluvia. The grid is intended for the formation of surface sinks, in order to facilitate the passage of liquids that, typically, will be water. In correspondence with the drainage channel in the ground, several grilles are placed and adjusted, which are flush with the floor, the liquid passing to the drainage channel through the holes (3) of the grids.
El hecho de que la rejilla sea de material cerámico incide en varios aspectos. En primer lugar, permite la durabilidad de la rejilla en la recepción de líquidos contaminados con agentes químicos como pueden ser detergentes en zonas de vestuarios o instalaciones sanitarias, cloro en zonas de piscinas, o cualquier otro. Otro aspecto importante es la facilidad de integración en el ambiente en el que se ubica, debido a la facilidad de variabilidad en la fabricación en cuanto a diferentes diseños basados en colore, texturas y demás. En cuanto a la configuración de la rejilla, el espesor de la zona cóncava (2) es uniforme, mientras que las zonas planas (1) presentan sendos regruesamientos destinados a ser los apoyos de la rejilla en el canal de desagüe. The fact that the grid is made of ceramic material affects several aspects. First, it allows the durability of the grid in the reception of liquids contaminated with chemical agents such as detergents in dressing rooms or sanitary facilities, chlorine in pool areas, or any other. Another important aspect is the ease of integration into the environment in which it is located, due to the ease of variability in manufacturing in terms of different designs based on color, textures and others. As regards the configuration of the grid, the thickness of the concave zone (2) is uniform, while the flat areas (1) have respective thicknesses intended to be the supports of the grid in the drain channel.
Por otro lado, la superficie de la cara superior de la rejilla, la cara que quedará vista una vez instalada, preferiblemente comprende una textura antideslizante On the other hand, the surface of the upper face of the grid, the face that will be seen once installed, preferably comprises a non-slip texture
En cuanto a la cara inferior (4) de la rejilla, no vista, también presenta una concavidad, cuya función es que cualquier líquido que atraviese los orificios (3) no se quede adosado a la cara inferior (4) de la rejilla, sino que tienda a deslizar hacia la zona central donde se encuentran los orificios (3). As for the underside (4) of the grid, not seen, it also has a concavity, whose function is that any liquid that passes through the holes (3) is not attached to the bottom face (4) of the grid, but which tends to slide towards the central area where the holes (3) are located.
Según se representa en la figura 2, cada uno de los regruesamientos de las zonas planas (1) incorpora una guía (5) longitudinal configurada mediante una oquedad, a todo lo largo de la zona plana (1), abierta al exterior también por la zona de apoyo. Estas guías (5) están destinadas a albergar sendos amortiguadores (6) con la función de que las rejillas, debido a la fragilidad del material cerámico del que están formadas, apoyen sobre los amortiguadores (6) en lugar de hacerlo sobre el propio material cerámico, evitando roturas. Para ello, los amortiguadores (6) están configurados mediante una pieza longitudinal extrusionada, cuyo material es preferentemente una goma o caucho para la absorción de golpes o pequeñas irregularidades de los resaltes donde van apoyadas las rejillas. Un estudio del caudal de evacuación de agua necesaria determina no solo el tamaño de los orificios (3) de la rejilla, que típicamente tienen forma oblonga, sino también su posición, que habitualmente es transversal, y separación entre ellos As shown in Figure 2, each of the thicknesses of the flat areas (1) incorporates a longitudinal guide (5) configured by a recess, along the entire length of the flat area (1), open to the outside also by the support area. These guides (5) are intended to house two dampers (6) with the function that the grids, due to the fragility of the ceramic material from which they are formed, rest on the dampers (6) instead of on the ceramic material itself , avoiding breaks. For this, the dampers (6) are configured by an extruded longitudinal piece, whose material is preferably a rubber or rubber for absorbing shocks or small irregularities of the projections where the grids are supported. A study of the required water evacuation flow determines not only the size of the holes (3) of the grid, which are typically oblong in shape, but also their position, which is usually transverse, and separation between them.
Debe tenerse en cuenta que la presente invención no debe verse limitada a la forma de realización aquí descrita. Otras configuraciones pueden ser realizadas por los expertos en la materia a la vista de la presente descripción. En consecuencia, el ámbito de la invención queda definido por las siguientes reivindicaciones. It should be borne in mind that the present invention should not be limited to the embodiment described here. Other configurations may be made by those skilled in the art in view of the present disclosure. Accordingly, the scope of the invention is defined by the following claims.

Claims

REIVINDICACIONES
1. - Rejilla cerámica de desagüe caracterizada por que comprende dos zonas planas (1) laterales unidas mediante una zona cóncava (2) con orificios (3), donde la zona cóncava (2) es de espesor uniforme y cada una de las zonas planas (1) presenta un regruesamiento, para ejercer de apoyo, que alberga unas guías (5) huecas para el alojamiento de unos amortiguadores (6), de forma que las zonas planas (1) laterales están destinadas a nivelar la rejilla con el suelo donde va ubicada y el espesor de la zona cóncava (2) está destinado a que no se estanque agua en ninguna de las zonas superior e inferior de la rejilla. 1. - ceramic drain grate characterized by comprising two lateral flat areas (1) joined by a concave area (2) with holes (3), where the concave zone (2) is of uniform thickness and each of the flat areas (1) presents a thickening, to exert support, which houses hollow guides (5) for the accommodation of dampers (6), so that the flat areas (1) are intended to level the grid with the floor where it is located and the thickness of the concave zone (2) is intended to prevent water from being stagnated in any of the upper and lower areas of the grid.
2. - Rejilla cerámica de desagüe, según la reivindicación 1 , caracterizada por que las zonas planas (1) presentan una inclinación descendente hacia la zona cóncava (2), de forma que se evite el estancamiento del agua en la rejilla. 2. - Ceramic drain grid according to claim 1, characterized in that the flat areas (1) have a downward inclination towards the concave area (2), so as to prevent stagnation of the water in the grid.
3. - Rejilla cerámica de desagüe, según las reivindicaciones 1 o 2, caracterizado por que la superficie de las zonas planas (1) y de la zona cóncava (2) comprende con texturizado antideslizante. 3. Ceramic drain grid according to claims 1 or 2, characterized in that the surface of the flat areas (1) and the concave area (2) comprises non-slip textured.
PCT/ES2018/070599 2017-09-29 2018-09-13 Ceramic drain grating WO2019063860A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18861333.5A EP3690158A4 (en) 2017-09-29 2018-09-13 Ceramic drain grating

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201731141U ES1193385Y (en) 2017-09-29 2017-09-29 CERAMIC DRAINAGE GRILL
ESU201731141 2017-09-29

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EP (1) EP3690158A4 (en)
ES (1) ES1193385Y (en)
WO (1) WO2019063860A1 (en)

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JP3167831U (en) * 2011-02-28 2011-05-19 東北岡島工業株式会社 Pit cover with pattern
CN203795574U (en) * 2014-01-20 2014-08-27 徐岩汪 Ceramic floor filler
WO2015015040A1 (en) * 2013-08-02 2015-02-05 Cerámica Mayor, S.A. Ceramic part for drain
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ES1193385U (en) 2017-10-13
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EP3690158A4 (en) 2020-11-18

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