CN110528817B - Floor tile with enamel glaze layer - Google Patents

Floor tile with enamel glaze layer Download PDF

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Publication number
CN110528817B
CN110528817B CN201910829127.7A CN201910829127A CN110528817B CN 110528817 B CN110528817 B CN 110528817B CN 201910829127 A CN201910829127 A CN 201910829127A CN 110528817 B CN110528817 B CN 110528817B
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China
Prior art keywords
enamel
layer
thickness
floor tile
enamel layer
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Active
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CN201910829127.7A
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CN110528817A (en
Inventor
耿云
孙金红
徐仲民
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Zibo Tuijin Chemical Machinery Co ltd
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Zibo Tuijin Chemical Machinery Co ltd
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Priority to CN201910829127.7A priority Critical patent/CN110528817B/en
Publication of CN110528817A publication Critical patent/CN110528817A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The embodiment of the application provides a floor tile with an enamel glaze layer. The floor tile with enamel layer in the embodiment of the application comprises: a brick body and a functional layer; the functional layer comprises a metal steel plate and an enamel layer coated on the outer surface of the metal steel plate, the thickness range of the metal steel plate is 10 mm, the enamel layer comprises iron oxide, zinc oxide and pigment, and the surface of the functional layer is subjected to anti-skid treatment; the brick body comprises an enamel part and a brick part, wherein the enamel part covers at least part of the surface of the brick part; the functional layer is at least arranged on one side of the brick body, which is provided with the enamel part, and at least covers one side of the enamel part, which faces away from the brick part; if the thickness of the enamel part is less than 0.5 mm, the thickness range of the enamel layer is 0.5-0.8 mm; if the thickness of the enamel part is more than or equal to 0.5 mm, the thickness range of the enamel layer is 0.8-1.0 mm; if the thickness of the enamel portion is less than 0.8 mm, the functional layer is provided on the tile portion at least at the edge position of the enamel portion in the circumferential direction of the enamel portion.

Description

Floor tile with enamel glaze layer
Technical Field
The application relates to the technical field of building materials, in particular to a floor tile with an enamel glaze layer.
Background
The traditional ceramic tile and floor tile are made up by using refractory metal oxide and semimetal oxide through the processes of grinding, mixing, pressing, glazing and sintering, and can be made into an acid-resistant and alkali-resistant porcelain or stone material, etc. as building or decorative material. The raw materials are mostly mixed by clay, quartz sand and the like. The material is widely applied to the fields of construction and decoration, and is paved on the wall surface and the ground to be used as a structural material and a functional material of a building.
The existing ceramic tiles and floor tiles are designed to aim at improving the anti-skid performance and the aesthetic property. Along with the improvement of the quality of life, people also put forward more requirements on ceramic tiles and floor tiles. In particular, when tiles and floor tiles are used in some special environments, such as hospitals, it is often necessary for the tiles and floor tiles to have special functions in accordance with the use environment.
In view of this, the present application is specifically made.
Disclosure of Invention
The floor tile with the enamel glaze layer is provided aiming at the defects of the existing mode and is used for being matched with the environment such as a hospital and the like with higher requirement on the sanitation degree.
The embodiment of the application provides a floor tile with enamel glaze layer, includes: a brick body and a functional layer;
the functional layer comprises a metal steel plate and an enamel layer coated on the outer surface of the metal steel plate, the enamel layer is an inorganic enamel, the thickness range of the metal steel plate is 10 mm, the enamel layer comprises iron oxide, zinc oxide and pigment, and the surface of the functional layer is subjected to anti-skid treatment;
the brick body comprises an enamel part and a brick part, wherein the enamel part covers at least part of the surface of the brick part, and the thickness of the brick body is 8 mm;
the functional layer is at least arranged on one side of the brick body, which is provided with the enamel part, and at least covers one side of the enamel part, which faces away from the brick part;
wherein, the thickness of the enamel layer and the arrangement range of the functional layer on the brick body are determined according to the thickness of the enamel part;
if the thickness of the enamel part is less than 0.5 mm, the thickness range of the enamel layer is 0.5-0.8 mm; if the thickness of the enamel part is more than or equal to 0.5 mm, the thickness range of the enamel layer is 0.8-1.0 mm;
if the thickness of the enamel portion is less than 0.8 mm, the functional layer is provided on the tile portion at least at the edge position of the enamel portion in the circumferential direction of the enamel portion.
In an alternative embodiment of the present application, the enamel layer comprises: a matrix agent;
the matrix agent comprises zirconium oxide and silicon oxide, and if the thickness of the enamel part is less than 0.5 mm, the mass ratio of the zirconium oxide to the silicon oxide in the matrix agent ranges from 1:10 to 3: 10.
In an alternative embodiment of the present application, if the thickness of the enamel portion is less than 0.5 mm, the matrix agent is in the range of the mass percentage in the enamel layer: 45 to 70 percent.
In an alternative embodiment of the present application, the matrix agent further comprises potassium oxide and boron oxide;
if the thickness of the enamel layer is larger than that of the enamel part, the sum of the mass percentages of the potassium oxide and the boron oxide in the matrix agent is not less than 5%.
In an alternative embodiment of the present application, if the thickness of the enamel portion is less than 0.5 mm, the mass percentage of boron oxide in the base agent is not less than 3%.
In an alternative embodiment of the present application, the enamel layer further comprises an antibacterial agent;
the antibacterial agent includes at least one of a silver ion antibacterial agent and titanium dioxide.
In an alternative embodiment of the present application, the antimicrobial agent is a silver ion antimicrobial agent if the thickness of the enamel portion is less than 0.8 mm.
Based on the same inventive concept, the present application further provides a floor tile with an enamel layer, which is used for preparing the floor tile with the enamel layer in the previous embodiments, and the floor tile with the enamel layer comprises:
coating enamel glaze on one side of the brick body, which is provided with an enamel part, and at least covering one side of the enamel part, which is back to the brick part, so as to obtain a prefabricated floor tile;
standing the prefabricated floor tiles in an environment with the air pressure less than or equal to 41325 pascals until a preset standing time is reached;
and sintering the standing prefabricated floor tile to obtain the floor tile with the enamel glaze layer.
In an alternative embodiment of the present application, the predetermined standing time is determined according to the thickness of the enamel layer;
if the thickness of the enamel glaze layer is less than 0.7 mm, the preset standing time range is 2-4 hours;
if the thickness of the enamel layer is more than or equal to 0.7 mm, the preset standing time ranges from 5 hours to 8 hours.
In an alternative embodiment of the present application, the sintering temperature is 760-860 ℃.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
1) adopt the floor tile with enamel glaze layer that this application embodiment provided, on the basis of current ceramic tile, floor tile, increased the functional layer. The functional layer can be used for increasing the functions adaptive to the use environment for ceramic tiles and floor tiles and can also increase the service life of the ceramic tiles and the floor tiles. The enamel layer contains metal oxide beneficial to human body, such as iron oxide and zinc oxide. The enamel layer also comprises pigment. The surface of the functional layer is subjected to anti-skid treatment. Under the scene of using floor heating to supply heat, the beneficial effect of the metal oxide exerted on the human body is better. Is beneficial to indoor environment and health. The functional layer is enamelled by using steel plate as carrier of enamel to form composite material, and its strength is tens times higher than that of ceramic brick.
2) Adopt the floor tile with enamel glaze layer that this application embodiment provided, can directly use on current ceramic tile, floor tile to the actual conditions according to current ceramic tile, floor tile has carried out the design, makes the floor tile with enamel glaze layer that obtains according to different ceramic tile, floor tile have the performance of homogeneous.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
The application provides a pair of floor tile with enamel glaze layer aims at solving the technical problem that ceramic tile, floor tile among the prior art can't suit with the in-service use environment.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The embodiment of the application provides a floor tile with enamel glaze layer, includes: brick body and functional layer.
The functional layer comprises a metal steel plate and an enamel layer coated on the outer surface of the metal steel plate, the thickness range of the metal steel plate is 10 mm, and the enamel layer comprises metal oxides beneficial to the human body, such as iron oxide and zinc oxide. The enamel layer also comprises pigment. The surface of the functional layer is subjected to anti-skid treatment. Under the scene of using floor heating to supply heat, the beneficial effect of the metal oxide exerted on the human body is better. Is beneficial to indoor environment and health. The functional layer is enamelled by using steel plate as carrier of enamel to form composite material, and its strength is tens times higher than that of ceramic brick.
The brick body includes an enamel portion and a brick portion, the enamel portion covering at least a portion of a surface of the brick portion. The brick body can be the existing ceramic tile or floor tile. The floor tile with enamel layer in the embodiment of the present application can be obtained by modifying the existing tile or floor tile. In the embodiment of the present application, there is no limitation on the brick body, and the enamel portion and the brick portion constituting the brick body may be fitted in any manner. The enamel layer can be designed more flexibly compared with the brick body, and components beneficial to improving the use environment of the floor brick with the enamel layer, such as bactericide and the like, can be added into the enamel layer.
The functional layer is at least arranged on one side of the brick body, which is provided with the enamel part, and at least covers one side of the enamel part, which faces away from the brick part.
Wherein, the thickness of the enamel layer and the arrangement range of the functional layer on the brick body are determined according to the thickness of the enamel part.
If the thickness of the enamel part is less than 0.5 mm, the thickness range of the enamel layer is 0.5-0.8 mm; if the thickness of the enamel part is more than or equal to 0.5 mm, the thickness of the enamel layer ranges from 0.8 mm to 1.0 mm.
The floor tile having an enamel layer in the embodiment of the present application is designed in thickness according to the condition of the enamel portion of the tile body. The applicant of the application discovers through a large number of experiments that in the manufacturing process of the floor tile with the enamel layer, the combination state of the enamel layer and the enamel part is determined by the sintering process; on the one hand, the thickness of the enamel layer and the thickness of the enamel portion. By adopting the proportion relation between the thickness of the enamel layer and the thickness of the enamel part introduced in the embodiment of the application, the enamel layer can be enabled to permeate into the gap in the enamel part through lower sintering temperature and be combined with the components in the enamel part in a mode of forming chemical bonds, and the floor tile with the enamel layer, which is good in combination of the enamel layer and the enamel part, is obtained. Moreover, the components of the enamel layer are different from those of the enamel part, and the components of the enamel layer and the components of the enamel part are different in the combination process, so that an interface exists between the enamel layer and the enamel part. The thickness in the embodiment of the application is the thickness of the corresponding structure of the floor tile with the enamel layer after sintering.
If the thickness of the enamel portion is less than 0.8 mm, the functional layer is provided on the tile portion at least at the edge position of the enamel portion in the circumferential direction of the enamel portion.
The floor tile with the enamel layer in the embodiment of the application is designed according to the combination range between the enamel part and the tile part. Through a large number of experiments, the applicant of the application finds that the enamel layer can be well combined with the enamel part through the arrangement range of the enamel layer in the embodiment of the application, and the enamel layer can be combined with the part of the brick part, so that the adhesion capacity of the enamel layer on the brick body is increased. The functional layer is arranged on the brick part at least at the edge position of the enamel part in the circumferential direction of the enamel part, and the position is the edge of the joint position of the enamel part and the brick part. Functional components are added into the enamel layer, so that the cost of the enamel layer is higher than that of the enamel part, and the enamel layer is arranged on the periphery of the connecting position of the enamel part and the brick part as far as possible when the enamel layer is required to assist the combination between the enamel part and the brick part, and the cost is prevented from being increased.
In one embodiment of the present application, the enamel layer includes: a matrix agent. The matrix agent comprises zirconium oxide and silicon oxide, and if the thickness of the enamel part is less than 0.5 mm, the mass ratio of the zirconium oxide to the silicon oxide in the matrix agent ranges from 1:10 to 3: 10.
The applicant of the present application has found through a large number of experiments that the composition of the enamel layer affects the bonding properties between the enamel layer and the enamel portion. According to the floor tile with the enamel layer, the thickness of the enamel part is smaller than 0.5 mm, and the component proportion of the matrix agent is designed in a targeted manner, so that the interface between the enamel layer and the enamel part disappears to a large extent. And when the thickness of enamel portion is less than 0.5 millimeter, the enamel layer still sets up on the edge position of enamel portion in enamel portion circumference, the ratio of matrix agent in this application embodiment can also realize the good combination of enamel layer and brick portion in this position for the floor tile with enamel layer in this application embodiment can eliminate the interface as far as possible in each position, improves the structural performance and the mechanical properties of the floor tile with enamel layer. Further make, when the floor tile that has enamel layer in this application embodiment uses in this kind of hospital possibly appear the medical instrument transport, in the scene that the wheel of sick bed is comparatively serious to the local rolling of ceramic tile, floor tile, can improve the wearability and the life of floor tile with enamel layer effectively.
Further, the enamel layer in the embodiment of the present application may include a flux and an adhesion agent in addition to the matrix agent. In certain environments with requirements on the appearance performance of the floor tiles with the enamel layer, coloring agents can be added into the enamel layer in a targeted manner.
In an embodiment of the present application, if the thickness of the enamel portion is less than 0.5 mm, the mass percentage of the matrix agent in the enamel layer is in the range: 45 to 70 percent.
The applicant of the present application has found through a large number of experiments that the content of the components of the enamel layer also contributes to the bonding properties between the enamel layer and the enamel portion, as well as to the mechanical properties of the resulting floor tile with an enamel layer. By the proportioning design of the matrix agent in the embodiment of the application, the enamel layer and the enamel part can be better combined into a whole.
In one embodiment of the present application, the matrix agent further comprises potassium oxide and boron oxide. If the thickness of the enamel layer is larger than that of the enamel part, the sum of the mass percentages of the potassium oxide and the boron oxide in the matrix agent is not less than 5%. If the thickness of the enamel portion is less than 0.5 mm, the mass percentage of boron oxide in the base agent is not less than 3%. When the floor tile with the enamel glaze layer is used, the condition that wheels of sickbeds and wheels of medical instruments roll the floor tile is inevitably and frequently generated. Because the positions of the enamel layer and the enamel part are different, the stress conditions of the enamel layer and the enamel part are different. The applicant of the present application found through a large number of experiments that the stress condition of each of the enamel layer and the enamel portion is affected by the thickness of both. When the thickness of the enamel layer is larger than that of the enamel part, the connection relationship between the enamel layer and the enamel part can be effectively maintained when the enamel layer and the enamel part are crushed to different degrees by designing the components of the matrix agent.
In one embodiment of the application, the enamel layer further comprises an antibacterial agent; the antibacterial agent includes at least one of a silver ion antibacterial agent and titanium dioxide. If the thickness of the enamel portion is less than 0.8 mm, the antimicrobial agent is a silver ion antimicrobial agent.
In the embodiment of the application, the functionality of the floor tile with the enamel layer is designed. The antibacterial agent is added in the enamel layer, so that the floor tile with the enamel layer can reduce the adhesion of bacteria and fungi on the floor tile in the use process, and the possibility of breeding the bacteria and the fungi is reduced. Particularly in the use scene of hospitals and kindergartens, the design aiming at the antibacterial agent can effectively improve the sanitation degree in the use scene. The applicant finds through experiments that when the enamel layer is arranged on the brick body, the antibacterial agent in the enamel layer can influence the combination of the enamel layer and the enamel part; in addition, the antibacterial agent is transferred to the enamel part in the sintering process, and the antibacterial and bactericidal effects of the floor tile with the enamel layer are affected. The floor tile with the enamel layer in the embodiment of the application can effectively solve the problems.
By applying the method for recovering the lithium bromide refrigerant provided by the embodiment of the application, at least the following beneficial effects can be realized:
1) adopt the floor tile with enamel glaze layer that this application embodiment provided, on the basis of current ceramic tile, floor tile, increased the functional layer. The functional layer can be used for increasing the functions adaptive to the use environment for ceramic tiles and floor tiles and can also increase the service life of the ceramic tiles and the floor tiles. The enamel layer contains metal oxide beneficial to human body, such as iron oxide and zinc oxide. The enamel layer also comprises pigment. The surface of the functional layer is subjected to anti-skid treatment. Under the scene of using floor heating to supply heat, the beneficial effect of the metal oxide exerted on the human body is better. Is beneficial to indoor environment and health. The functional layer is enamelled by using steel plate as carrier of enamel to form composite material, and its strength is tens times higher than that of ceramic brick.
2) Adopt the floor tile with enamel glaze layer that this application embodiment provided, can directly use on current ceramic tile, floor tile to the actual conditions according to current ceramic tile, floor tile has carried out the design, makes the floor tile with enamel glaze layer that obtains according to different ceramic tile, floor tile have the performance of homogeneous.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims (7)

1. A floor tile having an enamel layer, comprising: a brick body and a functional layer;
the functional layer comprises a metal steel plate and an enamel layer coated on the outer surface of the metal steel plate, the enamel layer is an inorganic enamel, the thickness range of the metal steel plate is 10 mm, the enamel layer comprises iron oxide, zinc oxide and pigment, and the surface of the functional layer is subjected to anti-skid treatment;
the brick body comprises an enamel part and a brick part, wherein the enamel part covers at least part of the surface of the brick part, and the thickness of the brick body is 8 mm;
the functional layer is at least arranged on one side of the brick body provided with the enamel part and at least covers one side of the enamel part, which faces away from the brick part;
wherein the thickness of the enamel layer and the arrangement range of the functional layer on the brick body are determined according to the thickness of the enamel part;
if the thickness of the enamel part is less than 0.5 mm, the thickness range of the enamel layer is 0.5-0.8 mm; if the thickness of the enamel part is more than or equal to 0.5 mm, the thickness range of the enamel layer is 0.8-1.0 mm;
if the thickness of the enamel part is less than 0.8 mm, the functional layer is arranged on the brick part at least at the peripheral edge position of the enamel part.
2. The floor tile having an enamel layer as claimed in claim 1, wherein the enamel layer comprises: a matrix agent;
the matrix agent comprises zirconium oxide and silicon oxide, and if the thickness of the enamel part is less than 0.5 mm, the mass ratio of the zirconium oxide to the silicon oxide in the matrix agent ranges from 1:10 to 3: 10.
3. The floor tile with enamel layer according to claim 2, wherein if the thickness of the enamel portion is less than 0.5 mm, the matrix agent is in the range of mass percent in the enamel layer: 45 to 70 percent.
4. The floor tile with enamel layer as claimed in claim 2, wherein said base agent further comprises potassium oxide and boron oxide;
if the thickness of the enamel layer is larger than that of the enamel part, the sum of the mass percentages of the potassium oxide and the boron oxide in the matrix agent is not less than 5%.
5. The floor tile with enamel layer according to claim 4, wherein if the thickness of the enamel portion is less than 0.5 mm, the mass percentage of the boron oxide in the matrix agent is not less than 3%.
6. The floor tile having an enamel layer as claimed in any one of claims 1 to 5, wherein the enamel layer further comprises an antibacterial agent;
the antimicrobial agent includes at least one of a silver ion antimicrobial agent and titanium dioxide.
7. The floor tile with enamel layer as claimed in claim 6, wherein if the thickness of the enamel portion is less than 0.8 mm, the antibacterial agent is silver ion antibacterial agent.
CN201910829127.7A 2019-09-03 2019-09-03 Floor tile with enamel glaze layer Active CN110528817B (en)

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Application Number Priority Date Filing Date Title
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CN110528817B true CN110528817B (en) 2020-11-17

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201273041Y (en) * 2008-09-29 2009-07-15 浙江开尔实业有限公司 Enamel decorating sound-absorbing slab
CN202164770U (en) * 2011-07-15 2012-03-14 中盛建材有限公司 Novel porcelain aluminum veneer
KR20140049104A (en) * 2012-10-12 2014-04-25 (주)엘지하우시스 Energy saving decoration sheet
CN204510672U (en) * 2015-01-20 2015-07-29 四川汇丰陶瓷有限公司 Functional form ceramic tile
CN208899799U (en) * 2018-08-03 2019-05-24 江苏新丽源南亚新材料有限公司 A kind of enamelled pressed steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201273041Y (en) * 2008-09-29 2009-07-15 浙江开尔实业有限公司 Enamel decorating sound-absorbing slab
CN202164770U (en) * 2011-07-15 2012-03-14 中盛建材有限公司 Novel porcelain aluminum veneer
KR20140049104A (en) * 2012-10-12 2014-04-25 (주)엘지하우시스 Energy saving decoration sheet
CN204510672U (en) * 2015-01-20 2015-07-29 四川汇丰陶瓷有限公司 Functional form ceramic tile
CN208899799U (en) * 2018-08-03 2019-05-24 江苏新丽源南亚新材料有限公司 A kind of enamelled pressed steel

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