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ES2204223A1 - Machine is for decorating fine square ceramic tiles and comprises color container which using first and second rollers impregnates extending parts of surface of pattern on third roller - Google Patents

Machine is for decorating fine square ceramic tiles and comprises color container which using first and second rollers impregnates extending parts of surface of pattern on third roller

Info

Publication number
ES2204223A1
ES2204223A1 ES200100739A ES200100739A ES2204223A1 ES 2204223 A1 ES2204223 A1 ES 2204223A1 ES 200100739 A ES200100739 A ES 200100739A ES 200100739 A ES200100739 A ES 200100739A ES 2204223 A1 ES2204223 A1 ES 2204223A1
Authority
ES
Spain
Prior art keywords
roller
template
ceramic tiles
machines
silicone
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES200100739A
Other languages
Spanish (es)
Other versions
ES2204223B1 (en
Inventor
Rafael Marco Llop
Felip Lluis Doppioni Tasca
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fenixprint S L
FENIXPRINT SL
Original Assignee
Fenixprint S L
FENIXPRINT SL
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 Fenixprint S L, FENIXPRINT SL filed Critical Fenixprint S L
Priority to ES200100739A priority Critical patent/ES2204223B1/en
Publication of ES2204223A1 publication Critical patent/ES2204223A1/en
Application granted granted Critical
Publication of ES2204223B1 publication Critical patent/ES2204223B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0808Details thereof, e.g. surface characteristics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00Shells for rollers of printing machines
    • B41N7/005Coating of the composition; Moulding; Reclaiming; Finishing; Trimming

Landscapes

  • Printing Methods (AREA)

Abstract

The machine is for decorating fine square ceramic tiles and comprises a color (10) container (1) which using first (2) and second (3) rollers impregnates extending parts (6) of the surface of a pattern (5) on a third roller (4). The extending parts define a decorative motif to be printed on the tiles (8) arranged on a conveyor belt (7). - The third roller and the pattern are constituted by an elastomer so that they deform in order to adapt to the geometry of the relief of the tile. At least the elastomer constituting the pattern is of poly-addition silicone. In one format, the roller and the pattern are of silicone and in another the pattern is fixed on a support provided with a window faced in correspondence with the motif to be printed, the support being fixed to the roller by mechanical devices.

Description

Perfeccionamientos en máquinas para decorar baldosas cerámicas.Improvements in decorating machines Ceramic tiles.

Objeto de la invenciónObject of the invention

La invención que nos ocupa tiene por objeto mejorar la calidad de impresión de la máquinas para decorar baldosas cerámicas.The invention at hand aims at improve the printing quality of decorating machines Ceramic tiles.

La invención permite realizar la decoración tanto de baldosas con superficie lisa, como la de baldosas con superficie rugosa, o incluso de las que cuentan con relieves.The invention allows decoration both of tiles with a smooth surface, and that of tiles with rough surface, or even those with reliefs.

Por consiguiente, la invención es aplicable al sector de la decoración de baldosas cerámicas, tal como por ejemplo pueden ser azulejos y similares.Therefore, the invention is applicable to ceramic tile decoration sector, such as They can be tiles and the like.

Antecedentes de la invenciónBackground of the invention

El antecedente más próximo a la presente invención lo constituye la solicitud de Patente española número P-9800609, en cuya memoria descriptiva se comentan los dos sistemas más empleados para decorar e imprimir las baldosas, a saber: flexografía y huecograbado.The history closest to the present invention is the Spanish patent application number P-9800609, in whose descriptive report they are commented the two most used systems to decorate and print the tiles, namely: flexography and gravure.

Pues bien, la invención que nos ocupa pertenece a los sistemas de impresión por flexografía que consisten en la incorporación de salientes o relieves en el rodillo de impresión, los cuales son impregnados con tinta y al presionar sobre la superficie de la baldosa se obtiene el motivo decorativo deseado. Los relieves de los cilindros se graban mediante láser.Well, the invention at hand belongs to flexography printing systems consisting of the incorporation of projections or reliefs in the printing roller, which are impregnated with ink and when pressing on the Tile surface you get the desired decorative motif. The reliefs of the cylinders are engraved by laser.

Para ello la solicitud de Patente de Invención número P-9800609 describe una máquina que cuenta con un depósito de tinta sobre el que se ha dispuesto un rodillo que gira impregnándose de la tinta, y la transfiere a un segundo rodillo que a su vez traslada la tinta a un tercer rodillo dotado en su superficie de una plantilla determinada por unos salientes que definen el motivo a imprimir sobre las baldosas, para realizar la impresión por flexografía.For this, the application for an Invention Patent Number P-9800609 describes a machine that has an ink reservoir on which a roller has been arranged which rotates impregnated with ink, and transfers it to a second roller that in turn transfers the ink to a third endowed roller on its surface a template determined by protrusions that define the reason to print on the tiles, to make Flexography printing.

Tanto la plantilla como el rodillo están determinados por un elastómero, para que al contactar con la superficie de la baldosa se deformen adaptándose a la geometría de su relieve.Both the template and the roller are determined by an elastomer, so that when contacting the tile surface deformed adapting to the geometry of its relief.

Estas superficies elastómeras están constituidas por cauchos que aunque cumplen la función señalada anteriormente, presentan el inconveniente de que la adherencia que tienen sobre la tinta es considerable por lo que su mantenimiento no es el óptimo, ya que se ensucia con mayor facilidad, además de tener una resistencia a la tracción, desgarro y abrasión menor.These elastomeric surfaces are constituted by rubbers that although they fulfill the function indicated above, they have the disadvantage that the adhesion they have on the ink is considerable so its maintenance is not optimal, since it gets dirty more easily, in addition to having a tensile, tear and abrasion resistance less.

Además el empleo de este material determina que la calidad de impresión no sea la óptima.In addition, the use of this material determines that Print quality is not optimal.

Descripción de la invenciónDescription of the invention

Para resolver los inconvenientes anteriormente indicados la invención se caracteriza porque al menos el elastómero que constituye la plantilla es de silicona de poliadición RTV2 (Room Temperature Vulcanized 2).To solve the problems above indicated the invention is characterized in that at least the elastomer What constitutes the template is RTV2 polyaddition silicone (Room Temperature Vulcanized 2).

En una realización de la invención tanto el elastómero de la plantilla como el del rodillo que la soporta son de silicona de poliadición RTV2 y forman un único cuerpo.In an embodiment of the invention both the Template elastomer such as the roller that supports it are RTV2 polyaddition silicone and form a single body.

En este caso el cambio en el tipo de elastómero complica la fabricación del rodillo, ya que estas siliconas se forman por mezclado de agentes químicos in situ y la adherencia de la lámina al rodillo es muy deficiente y no se puede realizar mediante adhesivos, por lo que es difícil obtener rodillos con plantillas de silicona correctamente adheridas al mismo, pero por otro lado presenta las siguientes ventajas:In this case the change in the type of elastomer complicates the manufacture of the roller, since these silicones are formed by mixing chemical agents in situ and adhesion of the roller blade is very poor and cannot be made using adhesives, making it difficult to obtain rollers with silicone templates correctly attached to it, but for other side has the following advantages:

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Menor adherencia de la tinta, y por consiguiente mejor tasa de transferencia sobre la baldosa, lo que redunda en un mantenimiento del rodillo más prolongado al no ensuciarse tanto. Ello además produce ahorro de esmalte.Less adhesion of the ink, and therefore better transfer rate on the tile, which results in more roller maintenance prolonged by not getting so dirty. This also produces savings of enamel.

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Mayor elasticidad y por tanto mejor adaptación a los relieves de la baldosa.Greater elasticity and therefore better adaptation to the reliefs of the tile.

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Nula toxicidad al preparar o grabar su superficie.Zero toxicity to Prepare or burn your surface.

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Ausencia de olores tóxicos.Absence of odors Toxic

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Mayor duración y mayor resistencia mecánica.Longer duration and greater mechanical resistance

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Mayor estabilidad dimensional.Greater stability dimensional.

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Mayor calidad de grabación de los relieves mediante el láser.Higher quality of recording of the reliefs by means of the laser.

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Mayor calidad de impresión al proporcionar una mayor definición.Higher quality of impression by providing greater definition.

En una realización para fabricar el rodillo de silicona, es necesario realizar la colada de la silicona, que va a constituir dicho rodillo, sobre una estructura soporte constituida por un enrejillado que queda embebido en el rodillo en proximidad a su superficie, con el fin de dar consistencia al rodillo y no restarle elasticidad. El enrejillado es rígido para dar consistencia a la estructura.In an embodiment for manufacturing the roller silicone, it is necessary to perform the silicone casting, which will constituting said roller, on a support structure constituted by a lattice that is embedded in the roller in proximity to its surface, in order to give consistency to the roller and not subtract elasticity The trellis is rigid to give structure consistency.

Una vez realizada la colada de silicona del rodillo, y antes de su curado o secado, se efectúa la colada de la silicona de la plantilla sobre el rodillo, de manera que se produce la correcta adhesión entre la plantilla y el rodillo.Once the silicone casting of the roller, and before curing or drying, the casting of the Template silicone on the roller, so that it is produced the correct adhesion between the template and the roller.

En otra realización de la invención el rodillo puede estar realizado en cualquier material elastómero, como por ejemplo caucho, pero al menos la plantilla debe estar constituida por silicona de poliadición, tal y como fue comentado con anterioridad. En este caso la lámina se fija sobre un soporte, preferentemente de plástico, que incluye una ventana en coincidencia con la zona de impresión, fijándose la plantilla al soporte mediante silicona adhesiva que se dispone alrededor de la ventana. La incorporación de esta ventana proporciona un grado de elasticidad máximo, al estar ubicada en correspondencia con la zona de impresión. La unión del soporte plástico al rodillo se efectúa mediante la incorporación de medios mecánicos, como por ejemplo pueden ser ranuras, pinzas, remaches, etc.In another embodiment of the invention the roller It can be made of any elastomeric material, as per rubber example, but at least the template must be constituted by polyaddition silicone, as discussed with anteriority. In this case the sheet is fixed on a support, preferably plastic, which includes a window in coincidence with the printing area, fixing the template to adhesive silicone support that is arranged around the window. The incorporation of this window provides a degree of maximum elasticity, being located in correspondence with the area of impression. The union of the plastic support to the roller is effected by incorporating mechanical means, such as they can be grooves, tweezers, rivets, etc.

También cabe la posibilidad de que el rodillo esté constituido por un núcleo metálico sobre el cual se adhiere, mediante un adhesivo, una capa de un cierto espesor de silicona de poliadición RTV2, es decir el rodillo está constituido por un núcleo metálico y una capa exterior de silicona. En este caso la plantilla se fija sobre la capa de silicona del rodillo, antes de su curado o secado, efectuándose la colada de la silicona de la plantilla sobre el rodillo, de manera que se produce la correcta adhesión entre la plantilla y la capa exterior del rodillo.It is also possible that the roller is constituted by a metal core on which it adheres, by means of an adhesive, a layer of a certain silicone thickness of RTV2 polyaddition, ie the roller is constituted by a metal core and an outer layer of silicone. In this case the template is fixed on the silicone layer of the roller, before curing or drying, with the silicone casting of the template on the roller, so that the correct one is produced adhesion between the template and the outer layer of the roller.

La calidad óptima de impresión se logra empleando una lámina con un máximo de 35 Shore (A) de elasticidad, teniendo la elasticidad del rodillo como máximo 5 Shore (escala A), de forma que la combinación de la lámina y rodillo genera una superficie compuesta que no supera los 16 Shore (escala A), tal y como se ha comprobado al realizar la medida experimental de la elasticidad.Optimum print quality is achieved. using a sheet with a maximum of 35 Shore (A) of elasticity, the roll elasticity having a maximum of 5 Shore (scale A), so that the combination of the sheet and roller generates a composite surface that does not exceed 16 Shore (scale A), such and as it has been verified when carrying out the experimental measurement of the elasticity.

A continuación para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompañan una serie de figuras en las que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención.Next to facilitate a better understanding of this descriptive report and being an integral part of the same, they accompany a series of figures in which with illustrative and non-limiting nature the object has been represented of the invention.

Breve enunciado de las figurasBrief statement of the figures

Figura 1.- Muestra una vista lateral general y esquemática de la máquina para decorar baldosas cerámicas de acuerdo con una realización de la invención. Además se muestra un detalle de la superficie del rodillo impresor y otro detalle de la rejilla.Figure 1.- Shows a general side view and Schematic of the machine for decorating ceramic tiles according to an embodiment of the invention. It also shows a detail of the surface of the printing roller and other detail of the grating.

Figura 2.- Muestra una vista en perspectiva explosionada de un ejemplo de realización en el que la plantilla se adhiere sobre un soporte de plástico, que a su vez se fija mediante medios mecánicos al rodillo.Figure 2.- Shows a perspective view exploded from an embodiment in which the template is adheres on a plastic support, which in turn is fixed by mechanical means to the roller.

Figura 3.- Muestra una vista parcial esquemática seccionada de la disposición del soporte plástico y plantilla sobre el rodillo.Figure 3.- Shows a schematic partial view section of the layout of the plastic support and template on the roller

Figura 4.- Muestra una vista parcial esquemática y parcialmente seccionada de la deformación que produce el rodillo impresor al presionar sobre un posible relieve de una pieza cerámica a decorar, de manera que realiza su correcta decoración.Figure 4.- Shows a schematic partial view and partially sectioned from the deformation produced by the roller printer when pressing on a possible relief of a piece ceramic to decorate, so that it performs its correct decor.

Figura 5.- Muestra el punto de impresión obtenido sobre la superficie de una baldosa con una plantilla convencional de caucho.Figure 5.- Shows the printing point obtained on the surface of a tile with a template conventional rubber.

Figura 6.- Muestra el punto de impresión obtenido sobre la superficie de una baldosa con la plantilla de silicona, según la invención.Figure 6.- Shows the printing point obtained on the surface of a tile with the template of silicone, according to the invention.

Descripción de la forma de realización preferidaDescription of the preferred embodiment

A continuación se realiza una descripción de la invención basada en las figuras anteriormente comentadas.Below is a description of the invention based on the figures discussed above.

Con ayuda de la figura 1 se describe el principio básico de funcionamiento de una máquina para decorar baldosas según la invención.With the help of figure 1 the basic principle of operation of a decorating machine tiles according to the invention.

La máquina comprende un depósito 1 de tinta 10 sobre el que se ha dispuesto un primer rodillo 2 que al girar se impregna de tinta y el cual se encuentra en contacto con un segundo rodillo 3 al que traslada la tinta, que a su vez transfiere la tinta a un tercer rodillo 4, que constituye el rodillo impresor.The machine comprises an ink tank 1 10 on which a first roller 2 has been arranged which, when rotating, is impregnates ink and which is in contact with a second roller 3 to which the ink transfers, which in turn transfers the ink to a third roller 4, which constitutes the roller printer.

Más concretamente, la tinta 10 se deposita sobre la parte superior de unos salientes 6 previstos en una plantilla 5 que cubre el rodillo 4.More specifically, ink 10 is deposited on the upper part of projections 6 provided in a template 5 covering the roller 4.

Por tanto los salientes 6 constituyen el motivo decorativo que se desea imprimir en las baldosas.Therefore the projections 6 constitute the reason decorative that you want to print on the tiles.

El conjunto determinado por el tercer rodillo 4 y la plantilla 5 se ubica sobre una cinta transportadora 7 en la que se desplazan las baldosas cerámicas 8, de modo que la plantilla 5 presiona contra la superficie de las baldosas cerámicas 8 realizándose la impresión deseada.The set determined by the third roller 4 and the template 5 is located on a conveyor belt 7 in which ceramic tiles 8 are moved, so that template 5 press against the surface of the ceramic tiles 8 performing the desired impression.

Tanto el tercer rodillo 4 como la plantilla 5 están constituidos por un elastómero, de forma que se permite la deformación tanto de la plantilla 5 como del tercer rodillo 4.Both the third roller 4 and the template 5 they are constituted by an elastomer, so that the deformation of both the template 5 and the third roller 4.

El material elastómero está constituido por silicona de poliadición RTV2 (Room Temperature Vulcanized 2), lo cual complica la fabricación del rodillo 4, ya que el empleo de siliconas, al formarse por mezclado de agentes químicos in situ, determina que la adherencia de la plantilla 5 sobre el rodillo 4 sea muy deficiente, por lo que para conseguir la fijación de la plantilla 5 sobre el rodillo 4, en una realización de la invención, se ha previsto la incorporación de una rejilla 9 que constituye el soporte del rodillo 4. Así, en primer lugar una vez dispuesta la rejilla 9, sobre ella se deposita la colada de la silicona, de forma que dicha rejilla 9 queda embebida en la silicona que constituye el rodillo 4, todo ello de manera que la rejilla 9 está situada próxima a la cara interior de dicho rodillo 4, con el fin de no restarle elasticidad.The elastomeric material is constituted by RTV2 polyaddition silicone (Room Temperature Vulcanized 2), what which complicates the manufacture of roller 4, since the use of silicones, when formed by mixing chemical agents in situ, determines that the adhesion of the template 5 on the roller 4 be very deficient, so to get the fixation of the template 5 on the roller 4, in an embodiment of the invention, the incorporation of a grid 9 that constitutes the roller support 4. Thus, first once the grid 9, on it the silicone wash is deposited, of so that said grid 9 is embedded in the silicone that it constitutes the roller 4, all this so that the grid 9 is located next to the inner face of said roller 4, in order of not subtracting elasticity.

La plantilla 5 se forma inmediatamente después del rodillo 4 utilizando éste como base y también por colada.Template 5 is formed immediately after of roller 4 using this as a base and also by casting.

Para que exista la adecuada adherencia entre las capas de silicona compuestas por el rodillo 4 y la plantilla 5, la colada de dicha plantilla 6 se efectúa antes del curado o secado total del rodillo 4, de manera que se obtiene un efecto adherente entre ambas capas, debido a las cualidades químicas de los componentes de la silicona.So that there is adequate adhesion between silicone layers composed of roller 4 and template 5, the casting of said template 6 is carried out before curing or drying total of roller 4, so that an adherent effect is obtained between both layers, due to the chemical qualities of the silicone components.

En las figuras 2 y 3 se muestra otro ejemplo de realización en el que la plantilla 5 no se dispone sobre la totalidad de la superficie del rodillo 4, sino que ocupa parte de su superficie. En este caso, el rodillo 4 podría estar fabricado en cualquier material elastómero, y la plantilla 5 se fija sobre un soporte plástico 13 sobre el que se adhiere la plantilla 5. En este caso el soporte 13 incluye una ventana 14 ubicada en correspondencia con el motivo decorativo a imprimir constituido por los salientes 6.Another example of embodiment in which template 5 is not available on the entire surface of roller 4, but occupies part of its surface In this case, roller 4 could be manufactured in any elastomeric material, and the template 5 is fixed on a plastic support 13 on which template 5 adheres. case support 13 includes a window 14 located in correspondence with the decorative motif to be printed constituted by the outgoing 6.

Tanto en este caso como en el representado en la figura 1, el rodillo 4 puede estar constituido por espuma de silicona.Both in this case and in the one represented in the Figure 1, the roller 4 can be constituted by foam of silicone.

La fijación de la plantilla 5 al soporte 13 se efectúa mediante silicona adhesiva 15 que queda dispuesta alrededor de la ventana 14.The fixing of the template 5 to the support 13 is made by adhesive silicone 15 that is arranged around from window 14.

El soporte 13 se fija al rodillo 4 mediante medios mecánicos como pinzas, remaches, etc.The support 13 is fixed to the roller 4 by mechanical means such as tweezers, rivets, etc.

Para lograr la deformación elástica representada en la figura 4, el grado de elasticidad de la plantilla 5 es de un máximo de 35 Shore, y el del rodillo 4 de un máximo de 5 Shore, de forma que su combinación genera una superficie compuesta que no supera los 16 Shore.To achieve the elastic deformation represented in figure 4, the degree of elasticity of the template 5 is of a maximum of 35 Shore, and that of roller 4 of a maximum of 5 Shore, of so that its combination generates a composite surface that does not exceeds 16 Shore.

Por último, cabe señalar que mediante la utilización de silicona para la fabricación de la plantilla 5, y por tanto de los salientes 6, se obtiene una calidad de impresión alta, ya que el punto 12 obtenido tiene una forma poligonal definida, a diferencia de la forma irregular del punto 11 que se obtiene según los rodillos convencionales que usan plantillas de caucho, en cuyo caso para obtener una mayor calidad de impresión, es necesario que el caucho tenga una dureza superior a 35 Shore, y como consecuencia no se adapta adecuadamente a los relieves de las superficies a imprimir.Finally, it should be noted that through use of silicone for the manufacture of template 5, and therefore of the projections 6, a print quality is obtained high, since the point 12 obtained has a polygonal shape defined, unlike the irregular shape of point 11 that gets according to conventional rollers that use insoles of rubber, in which case to obtain a better print quality, it is necessary that the rubber has a hardness greater than 35 Shore, and as a consequence it does not adapt properly to the reliefs of the surfaces to print.

Claims (10)

1. Perfeccionamientos en máquinas para decorar baldosas cerámicas, que comprende un depósito (1) de tinta (10) sobre el que se ha dispuesto un primer rodillo (2) que mediante su giro se impregna de tinta, y en el que además apoya un segundo rodillo (3), que a su vez transfiere la tinta a un tercer rodillo (4) dotado en su superficie de una plantilla (5) determinada por unos salientes (6) que definen el motivo a imprimir sobre las baldosas (8), sobre cuya superficie presiona el tercer rodillo (4) para imprimir el motivo decorativo deseado; habiéndose previsto que las baldosas cerámicas (8) se desplacen mediante una cinta transportadora (7) en cuyo trayecto si sitúa el tercer rodillo (4); todo ello de manera que tanto el tercer rodillo (4) como la plantilla (5) estén constituidos por un elastómero para que al presionar contra la superficie de la baldosa (8) se deformen adaptándose perfectamente a la geometría del relieve de dicha baldosa (8); se caracteriza porque al menos el elastómero que constituye la plantilla (5) es silicona de poliadición RTV2 (Room Temperature Vulcanized 2).1. Improvements in machines for decorating ceramic tiles, comprising a reservoir (1) of ink (10) on which a first roller (2) has been arranged, which by its turn is impregnated with ink, and on which it also supports a second roller (3), which in turn transfers the ink to a third roller (4) provided on its surface with a template (5) determined by projections (6) that define the reason to be printed on the tiles (8), on whose surface presses the third roller (4) to print the desired decorative motif; having provided that the ceramic tiles (8) are moved by a conveyor belt (7) in whose path if the third roller (4) is placed; all this so that both the third roller (4) and the template (5) are constituted by an elastomer so that when pressed against the surface of the tile (8) they deform perfectly adapting to the geometry of the relief of said tile (8 ); It is characterized in that at least the elastomer constituting the template (5) is RTV2 (Room Temperature Vulcanized 2) polyaddition silicone. 2. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 1, caracterizados porque tanto el elastómero de la plantilla (5) como el del tercer rodillo (4) es de silicona de poliadición (RTV2).2. Improvements in machines for decorating ceramic tiles, according to claim 1, characterized in that both the template elastomer (5) and the third roller (4) are polyaddition silicone (RTV2). 3. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 2, caracterizados porque la plantilla (5) forma un cuerpo junto con el tercer rodillo (4).3. Improvements in machines for decorating ceramic tiles, according to claim 2, characterized in that the template (5) forms a body together with the third roller (4). 4. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 3, caracterizados porque el tercer rodillo (4) comprende una estructura soporte constituida por un enrejillado (9) que está embebido en el rodillo (4) en proximidad a su superficie.4. Improvements in machines for decorating ceramic tiles, according to claim 3, characterized in that the third roller (4) comprises a support structure consisting of a grid (9) that is embedded in the roller (4) in proximity to its surface. 5. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 4, caracterizados porque se realiza la colada de la silicona del tercer rodillo (4), y antes de su curado o secado se efectúa la colada de silicona de la plantilla (5) sobre el tercer rodillo (4), para producir la adhesión entre la plantilla (5) y dicho rodillo (4).5. Improvements in machines for decorating ceramic tiles, according to claim 4, characterized in that the silicone casting of the third roller (4) is performed, and prior to curing or drying, the silicone casting of the template (5) is carried out on the third roller (4), to produce adhesion between the template (5) and said roller (4). 6. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 1, caracterizados porque la plantilla (5) se fija sobre un soporte (13), preferentemente de plástico, que está dotado de una ventana (14) dispuesta en correspondencia con el motivo decorativo a imprimir de la plantilla (5), fijándose la plantilla (5) al soporte (13) mediante silicona adhesiva (15); todo ello de manera que el soporte (13) se fija al rodillo (4) mediante medios mecánicos.6. Improvements in machines for decorating ceramic tiles, according to claim 1, characterized in that the template (5) is fixed on a support (13), preferably plastic, which is provided with a window (14) arranged in correspondence with the decorative motif to print from the template (5), the template (5) being fixed to the support (13) by adhesive silicone (15); all this so that the support (13) is fixed to the roller (4) by mechanical means. 7. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 1, caracterizados porque el rodillo (4) está constituido por un núcleo metálico sobre el que se adhiere una capa exterior de silicona de poliadición RTV2, sobre la cual, antes de su curado o secado, se efectúa la colada de silicona de la plantilla (5) para producir la adhesión al rodillo (4).7. Improvements in machines for decorating ceramic tiles, according to claim 1, characterized in that the roller (4) is constituted by a metal core on which an outer layer of RTV2 polyaddition silicone is adhered, on which, prior to curing or When dried, silicone casting of the template (5) is carried out to produce adhesion to the roller (4). 8. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 1, caracterizados porque la elasticidad máxima del tercer rodillo (4) es de 5 Shore.8. Improvements in machines for decorating ceramic tiles, according to claim 1, characterized in that the maximum elasticity of the third roller (4) is 5 Shore. 9. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicación 1, caracterizados porque la elasticidad máxima de la plantilla es de 35 Shore.9. Improvements in machines for decorating ceramic tiles, according to claim 1, characterized in that the maximum elasticity of the template is 35 Shore. 10. Perfeccionamientos en máquinas para decorar baldosas cerámicas, según reivindicaciones 8 y 9, caracterizados porque la elasticidad máxima del conjunto formado por el tercer rodillo (4) y la plantilla (5), es de 16 Shore.10. Improvements in machines for decorating ceramic tiles, according to claims 8 and 9, characterized in that the maximum elasticity of the assembly formed by the third roller (4) and the template (5), is 16 Shore.
ES200100739A 2001-03-29 2001-03-29 Machine is for decorating fine square ceramic tiles and comprises color container which using first and second rollers impregnates extending parts of surface of pattern on third roller Expired - Fee Related ES2204223B1 (en)

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ES200100739A ES2204223B1 (en) 2001-03-29 2001-03-29 Machine is for decorating fine square ceramic tiles and comprises color container which using first and second rollers impregnates extending parts of surface of pattern on third roller

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JPH04317764A (en) * 1991-04-15 1992-11-09 Nec Corp Hot melt coater
US5257967A (en) * 1991-01-24 1993-11-02 Max Gysin Inking rollers
NL9201144A (en) * 1992-06-26 1994-01-17 Stork X Cel Bv Indirect screen-printing device with intermediate roll cleaning
JPH06198813A (en) * 1992-12-28 1994-07-19 Daini Shinano Polymer Kk Production of silicone rubber structure
EP0662394A1 (en) * 1992-07-09 1995-07-12 Kinyosha Co. Ltd. Printing roller and method of manufacturing the same
ES2120597T3 (en) * 1994-03-29 1998-11-01 System Electronics S P A ROTARY MACHINE FOR DECORATION AND ENAMELING, IN PARTICULAR OF CERAMIC SLABS.
JP2001206579A (en) * 2000-01-26 2001-07-31 Seiko Epson Corp Printer

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587153A (en) * 1965-08-20 1971-06-28 Weyerhaeuser Co Applicator
US4664058A (en) * 1985-10-25 1987-05-12 International Paper Company Coating roll surface configuration for applying liquid sterilant to a moving web
US5017457A (en) * 1987-09-09 1991-05-21 Hoechst Aktiengesellschaft Presensitized printing plate for waterless lithographic printing and process for production thereof
EP0322127A2 (en) * 1987-12-04 1989-06-28 Canon Kabushiki Kaisha Rotatable member for fixing apparatus and fixing apparatus using same
US5257967A (en) * 1991-01-24 1993-11-02 Max Gysin Inking rollers
US5257967B1 (en) * 1991-01-24 1995-10-03 Diamond Roller Corp Inking rollers
JPH04317764A (en) * 1991-04-15 1992-11-09 Nec Corp Hot melt coater
NL9201144A (en) * 1992-06-26 1994-01-17 Stork X Cel Bv Indirect screen-printing device with intermediate roll cleaning
EP0662394A1 (en) * 1992-07-09 1995-07-12 Kinyosha Co. Ltd. Printing roller and method of manufacturing the same
JPH06198813A (en) * 1992-12-28 1994-07-19 Daini Shinano Polymer Kk Production of silicone rubber structure
ES2120597T3 (en) * 1994-03-29 1998-11-01 System Electronics S P A ROTARY MACHINE FOR DECORATION AND ENAMELING, IN PARTICULAR OF CERAMIC SLABS.
JP2001206579A (en) * 2000-01-26 2001-07-31 Seiko Epson Corp Printer

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