CZ100993A3 - Ceramic object with a decor causing space effect - Google Patents

Abstract

Especially flat (1) such as tile, tile etc., is of opaque material bonded on the face side with a layer of inorganic or organic glass that is transparent, thickness of at least 2 mm. Preferably, the glass layer is formed made of flat glass (3) or glass glaze (5), has outer and / or outer decor (4) and an outer decor (4) and / or is provided on its inner side underneath the interior decor (2) situated thereon, the exterior decor the inner decor (4,2) is mutually different, similar, displaced negative rasterized to create a spatial effect of these two decors (4, 2). This decor (2,4) may be advantageous formed on the surface of the flat glass layer, outer decor (4) on the outer surface of the glass glaze (5) and interior decor (2) on the face of the item (1). K most advantageous Applying decors (2, 4) include glass or ceramic paints optionally forming directly into the relief surface of the glass, optionally ceramics. The external and / or internal V (4.2) may be formed on the transparent liner (7) between the face ceramic article (1) and glass layer. It is advantageous if the glass layer is still covered with a protective transparent glass (6).

Description

Ceramic item with a decor effect

Technical field

The present invention relates to a ceramic article with a decor effect. In particular, it is a flat ceramic article, such as tiles, tiles, etc. The ceramic article is opaque and is joined to the glass layer on the face side.

BACKGROUND OF THE INVENTION

For the production of ceramic flat articles such as tiles, standard materials are usually used, consisting of a binder, eg various combinations of kaolins or clays, sharpened with ground quartz, fireclay, etc. in the presence of a flux such as feldspar, pegmatite, phonol, dolomite, limestone, and the like. These milled components are mixed, and further processed in the customary manner, for example by hydraulic pressing to the desired shape. The dried parison is fired. In order to save expensive raw materials and for decorative reasons, the base shard is covered with a glaze mixture, which is usually colored and opaque after firing. Glazing of ceramic products is usually carried out in two operations. E.g. a suspension of a suitably ground glaze composition, i.e. glazed milk, is applied to a raw, flame-retardant or sharply burnt product by soaking, glazing or spraying by hand or on glazing machines. Drying is followed by firing at a temperature at which the glaze melts and flows perfectly onto the product surface. The glaze on the surface of the ceramic article is a thin layer improving its appearance and technical properties, and most of it is. colored or opaque.

Ceramic products are decorated by a number of procedures. For utility and decorative items, porcelain, etc. is applied to the glaze by decals of ceramic paints or ceramic or special paints directly by hand, screen printing etc.

Flat ceramic products such as tiles are usually monochromatic or decorated with an irregular motif simulating natural materials,

Recently, decors with a floral or figural motif arranged either on a single tile, or in a composition on several tiles, are distributed with a single motif.

It is an object of the present invention to enrich the assortment of flat ceramic products, in particular tiles, tiles and the like. when it comes to decorating with a spatial effect.

SUMMARY OF THE INVENTION

The task of enriching the assortment of flat ceramic products, especially tiles, tiles etc. with a spatial effect decor, it meets a ceramic object that is opaque and is bonded on the face side to the glass layer of the present invention, which is characterized in that the organic or inorganic glass layer is transparent at least 2 nm thick and has an outer and and / or an exterior decor is provided on the inside and an exterior decor and / or an interior decor situated below it is arranged, the exterior and interior decor being dimensionally different from each other, similar, displaced, negative, using a grid or the like. to evoke the spatial effect of a pair of these decors.

Preferably, the glass layer is a flat glass or glass glaze.

Preferably, the outer and / or inner decor is formed on the surface of the flat glass.

It is also preferred that the outer decor is formed on the outer surface of the glass glaze.

It is further preferred that the facing of the ceramic article is provided with an interior decoration.

Preferably, the exterior and / or interior decor is embossed or plastically formed on the surface of the glass layer or the facing side of the ceramic article.

It is further preferred that the outer and / or inner decor consists of glass or ceramic paints.

In addition, it is advantageous if the transparent and inner interior is provided with a transparent insert inserted between the facing side of the ceramic article and the glass layer.

It is also preferred that the glass layer is further covered by another transparent glass layer.

Furthermore, it is advantageous if an opaque layer is provided under the interior decoration on the side facing the ceramic article.

The main advantage of this solution is a new type of product, whereby the spatial effect is achieved by combining the ceramic article with a layer of transparent glass of at least 2 mm thickness, so that the decoration formed by external and internal mutually offset, similar, negative or dimensionally different decoration has a significant optical effect.

The layer of glass of sufficient thickness may be a thin flat glass or a thicker layer of glass glaze, and the corresponding decoration may be formed directly on the surface of the glass layer. The most preferred alternative design of the exterior and / or interior décor is glass or ceramic colors. in the glass or ceramic surface by shaping it into an embossed or plastic surface.

A similar effect is obtained when a transparent insert with external and / or internal decoration is inserted between the ceramic article and the glass layer. This insert may be a special foil, decal, etc.

Another transparent layer optionally protects the outer decor on the outer surface of the flat glass or glaze and in the case of the glass glaze further increases the glass layer.

For some types of decor, it is advantageous if there is a contrasting opaque layer under the interior decoration, e.g.

BRIEF DESCRIPTION OF THE DRAWINGS

The ceramic article of the present invention is described in detail below with reference to the accompanying drawings, in which: Figure 1 shows a ceramic article with a flat glass layer in cross-section, Figure 2 shows a ceramic article with glass glaze and a glass layer in 3 shows a ceramic article with a transparent insert and a glass layer in cross-section. FIG.

DETAILED DESCRIPTION OF THE INVENTION

He did

Ceramic flat article 1 (Fig. 1), eg of 20x20 on, thickness (feed is printed with ceramic colors in a raster motif, eg in the form of parallel strips, to obtain an interior decoration). to a corresponding temperature of about 700 ° C. After cooling, a glass layer of 2 mm thickness of a flat glass blank 4 provided with an external decoration 4 on the face side formed from a raster motif of parallel strips displaced relative to the inner strips 15 ° decor 2. The exterior decor is formed by printing high-temperature thermoplastic glass inks The ceramic article 1 with flat glass 2 is fired and cooled, and both ceramic and glass materials must be selected so that the mean coefficients of linear thermal expansion are very close, resp.stejné.

For the used oxide ceramics and float glass, the mean coefficient of linear thermal expansion was the same, namely 8.5 .10 θΚ. The firing takes place at a temperature of 580 to 630 ° C with only one firing. Upon cooling, a ceramic product having an internal stress of up to 100 nm.cm -1 and a bending strength of 18 MPa is obtained, resistant to water and moisture, detergents, acids and alkalis as well as to sudden changes in temperature as well as to light. This product

- 4 i.e. the ceramic tile is decorated with a motif with a three-dimensional effect changing as it passes around the tile. This product is suitable for decorative purposes, entrance halls, retail spaces, interiors, bathrooms, etc.

Example 2

Ceramic object ^- of similar dimensions and properties given in the previous exemplary embodiment, on the obverse interior decoration embellish £ (Fig.2) formed crimping plastic pattern directly into the ceramic surface. A transparent glass glaze 5 with a thickness of up to 2 mm is applied to the treated ceramic. Glass glazing inks 5 are applied to the glaze 5 and an outer decor 6 similar to the interior decor 2 is created by screen printing, so that after baking and cooling a three-dimensional pattern is formed in the viewing window. Glaze layer

5 is finally covered with a thin film of glass, protecting the outer decor from external influences and enhancing the resulting optical effect.

Example 3

On the face side of the ceramic article 6 is placed a transparent insert Tj decorated from the underside with an inner decoration 2 and from the outside with an outer decoration 6. Both decors 2, 6 have a figural motif offset from each other. A blank of transparent glass 3 is placed on the insert 2. The ceramic article 1, insert 2 and the flat glass 4 are joined by a glass gluing technique. The sheet of flat glass 6 must have a thickness of at least 2 mm to obtain the optics of the spatial pattern.

Industrial applicability

The solution is particularly suitable for wall and floor tiles for interior walls and decorative purposes.

Claims (10)

PATENT CLAIMS A ceramic article having a spatial effect, in particular a flat ceramic article, such as a tile, tile, etc., which is opaque and is connected on the face side to a glass layer, characterized in that the inorganic or organic glass layer is transparent a thickness of at least 2 µm and having an exterior decor (4) arranged on the outside and / or on the inside and having an exterior decor (4) and / or an interior decoration (2) situated below it, the exterior and interior decor ( 4.2) is dimensionally different, similar, offset, negative or raster to create a spatial effect of a pair of these decors (2,4). 2. Ceramic article according to claim 1, characterized in that the glass layer is flat glass (3). 3. Ceramic article according to claim 1, characterized in that the glass layer is a glass glaze (5). 4. Ceramic article according to claim 2, characterized in that the outer and / or inner decor (4,2) is formed on the surface of the flat glass (3). 5. Ceramic article according to claim 3, characterized in that the outer decor (4) is formed on the outer surface of the glaze (5). 6. Ceramic article according to claim 1, characterized in that the inner decor (2) is provided with a face side of the ceramic article (1). team, team. by Ceramic article according to one of Claims 1 to 6, characterized in that the exterior and / or interior decoration (4,2) is embossed or plastic on the surface of the flat glass (3), the glaze (5) or the ceramic article (1). Ceramic article according to one of Claims 1 to 6, characterized in that the outer and / or inner decor (4,2) consists of glass or ceramic paints. Ceramic article according to claim 1, characterized in that the outer and / or inner decoration (4,2) is provided with a transparent insert (7) between the facing side of the ceramic article (1) and the flat glass (3) or glaze layer (5). ). Ceramic article according to one of Claims 1 to 9, characterized in that the sheet of flat glass (3) or glaze (5) is covered by another transparent glass sheet (6). 11. A ceramic article according to claim 1, wherein the facing side of the ceramic article is covered with an opaque layer.