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INVENTION
Russian Federation Patent RU2097206
METHOD decorative treatment of wall tiles
Limestone-shell rock
Name of the inventor: Nikolai Pankov [KG]
The name of the patentee: Nikolai Pankov [KG]
Address for correspondence:
Starting date of the patent: 1992.05.20
Uses: for the production of tiles with the external and internal decoration of buildings.
The inventive sawing produce natural stone. Cleanses the pores of stone dust. Staining carried stone face during vibration filling voids natural stone composition containing colored cement and filler in a ratio respectively of 1: 2.5. Then the surface is ground and polished.
DESCRIPTION OF THE INVENTION
The invention relates to the production of tiles made of natural stone, in particular of a highly porous limestone-shell and can be used for external and internal facing buildings.
There is a method of processing a decorative tile from shell limestone [1] including the front surface of the liquid dye staining impregnated microporous solid stone structures by immersion in a solution of the precipitate electroplating baths for chrome-plating of ferrous metals.
Disadvantages of this method are as follows: density of the surface layer is not increased because there is no embedment large pores and voids, color product browns only the contrast in a narrow band, not increasing the transparency, resistance to frost and dust, dirt repellent, reversed natural color.
Known method of decorative treatment of calcareous stone tiles [2] (Examples 1-2), comprising the pre-machining, kraskorastvorimoy surface treatment, drying and coating of the front surface of a transparent polymeric composition.
Disadvantages of this method are the use of expensive and scarce materials, such as epoxy resin, light decorative effect, the toxicity of finished products and a complete change in the natural color.
Known and decorative way of handling about shell limestone [3] (Example 3). Apply a fragmentary stone (breccia), on irregularities which free-self-leveling method applied coloring composition based on color cement. To eliminate the gaps previously painted stone impregnation liquid dyes. The front surface is coated with a polymeric composition.
The disadvantages of this method are: a narrow scope, complexity of technology, the use of expensive materials, a complete change in the natural color of toxicity.
The technical result of the invention is a cheapening of the process, increasing the strength of finished products for compression and bending, increased dust, dirt repellent, frost resistance, better decorative effect, environmental friendliness of production and finished products.
Technical result is achieved by a method comprising the sawing of the stone block, staining face blend based on the color of cement and filler, followed by drying and surface finishing, according to the invention, dyeing is carried out by filling the natural voids stone mixture with a ratio of colored cement and filler 1: 2.5 mixture vibration and the surface finish are by grinding and polishing.
Example. Take a block of shell limestone, sawn into boards. Plates stacked on a vibrating table face up. From natural stone cavities with compressed air blown from sawing waste. Then, the front surface of the layer of filler comprising a mixture of colored cement with filler thickness of 1 1.5 cm, of 1: 2.5. The filler used waste products of limestone, marble and limestone fractions of dust structures up to 0.4 mm. Powdered mica may be added to impart sparkle. The mobility of the mixture is determined empirically depending on the size of voids. Then vibration produced mixture for 30-60 seconds. The mixture was then removed and the excess plates stacked for curing solution and natural drying.
For short exposure greasy aggregate fill large pores and voids and micropores in the dense structure of stone coloring formulation penetrates to 0.05-0.1 mm, are removed followed by machining. Stone does not change the natural color completely, but only gets a local tint and becomes dense microporous structure.
After drying, the machining is performed textured face plate followed by cutting into measured tiles.
The result is a natural stone cladding tiles with a contrasting color pattern color streaks and inclusions, with the grinding, glossy or polished structure.
Advantages of the proposed method, compared with the prior art, is that it reduces the cost of finished articles by application of non-deficient and inexpensive materials, provided a substantial compressive strength and flexural strength due to the large depth of embedment of natural stone voids.
In addition, the tiles, the inventive method, with a natural color with color stains (white and blue, white and pink, and so on. D.), Have high decorative effect, wide color gamut, dense structure, satisfactory resistance to frost and dust, dirt repellent .
CLAIM
Method of decorative treatment of tiles of lime-shell comprising sawing blocks of stone, painting the front surface with a mixture based on the color of cement and filler, followed by drying and surface finish, characterized in that the dyeing is carried out by filling the natural voids stone mixture with a ratio of colored cement and filler 1: 2.5 mixture vibration and the surface finish are by grinding and polishing.
print version
Publication date 21.11.2006gg
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