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An apparatus for decorating ceramic products

A technology of equipment and tiles, applied in the field of equipment for decorative ceramic products, can solve the problems of high equipment cost and imperfection

Active Publication Date: 2013-01-16
系统陶瓷股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But doing all this requires higher equipment costs than those of rotary machines, and comes with the dangers associated with imperfect technology

Method used

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  • An apparatus for decorating ceramic products

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Embodiment Construction

[0024] FIG. 1 shows a device 10 especially for decorating ceramic tiles 11 . The tiles 11 are advanced along the production line by means of a conveyor belt 12 .

[0025] The device 10 comprises a print head 13 of the known rotary press type and print heads 14, 14' of the inkjet type.

[0026] The printing head 13 of the roller printing type comprises an elastic silicone cylinder 15 supporting a substrate with cavities on which the pattern to be transferred onto the tile 11 can be obtained; Glaze of a suitable color is collected and distributed by means of a scraper 20 supported and positioned by a suitable device 21 through a supply duct 19 into cavities on the surface of the drum 15 . Excess glaze flows back into the collection tank 16 through the collection channel 22 .

[0027] The inkjet printhead 14, 14' includes one or more sets of nozzles 24 arranged in adjacent rows. In the case of the print head 14, the nozzle groups 24 constituting a specific inkjet print head ar...

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Abstract

An apparatus (10) for decorating ceramic tiles (11) includes combined use of printing heads (13) consisting of elastic silicone cylinders (15) provided with recessed cell matrices, and inkjet-type printing heads (14, 14' ) , arranged sequentially above a conveyor belt (12) bearing the tiles to be decorated. The inkjet nozzles are electronically commanded according to activation rhythms and times suitable for continuously producing patterns and graphics having a length congruent with the length of the patterns and graphics produced by the elastic recessed cell matrices, the activation of the nozzles further being suitably synchronised with the angular position of the cylinders and of the conveyor belt. The above-mentioned apparatus provides, alongside a high level of reliability and limited financial outlay, a considerable production flexibility, typical of inkjet machines

Description

technical field [0001] The invention relates to a device for decorating ceramic products. In particular, the invention can be effectively applied to the decoration of various tiles according to highly flexible production procedures. Background technique [0002] As we all know, the decoration industry of ceramic products mainly adopts traditional screen printing technology, flatbed machines or rotary machines, or rotary machines with the function of engraving elastic substrates according to flexo printing or rotogravure printing. The glazed surfaces are respectively arranged in the convex or concave cavities of the substrate. [0003] Recessed cell substrates have particular features and advantages over the aforementioned technologies, such as the ability to decorate near the edges of the tiles, easily obtain color gradations or halftones, increase execution speed, and reduce required maintenance and adjustments. [0004] In conclusion, new decorative patterns can only be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B11/04B41M1/34B41J3/54
CPCB41J3/407B41J2/18B28B11/048B28B11/044B28B11/049B41J3/546B41J3/543B28B11/046B28B11/001
Inventor F·斯特凡尼
Owner 系统陶瓷股份公司