ES2553307B1 - Installation for automatic cleaning of ink print head nozzles - Google Patents
Installation for automatic cleaning of ink print head nozzles Download PDFInfo
- Publication number
- ES2553307B1 ES2553307B1 ES201430870A ES201430870A ES2553307B1 ES 2553307 B1 ES2553307 B1 ES 2553307B1 ES 201430870 A ES201430870 A ES 201430870A ES 201430870 A ES201430870 A ES 201430870A ES 2553307 B1 ES2553307 B1 ES 2553307B1
- Authority
- ES
- Spain
- Prior art keywords
- cleaning
- installation
- ink
- print head
- cleaning solvent
- 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.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 239000000976 ink Substances 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 8
- 238000005034 decoration Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ink Jet (AREA)
Abstract
Instalación para la limpieza automática de inyectores de cabezales de impresión de tinta.#La instalación comprende una mesa de trabajo (1) con una placa (2) volteable mediante un motor (4) sobre cuya placa (2) se disponen los cabezales que pueden ser volteados 90º para situarlos boca abajo en la posición de limpieza. Bajo la mesa (1) se ha previsto un depósito (5) contenedor del disolvente limpiador, entre el cual y los cabezales situados sobre la placa (2) se establece un conducto (12) que mediante una bomba eléctrica (13) se hace recircular el disolvente limpiador entre el depósito (5), por el interior de los cabezales, para producir la limpieza de éstos.Installation for automatic cleaning of ink print head nozzles. # The installation comprises a work table (1) with a plate (2) flipable by means of a motor (4) on whose plate (2) the heads that can be turned 90º to place them face down in the cleaning position. Under the table (1) a container (5) cleaning solvent container is provided, between which and the heads located on the plate (2) a conduit (12) is established which by means of an electric pump (13) is made to recirculate the cleaning solvent between the tank (5), inside the heads, to produce cleaning of these.
Description
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INSTALACION PARA LA LIMPIEZA AUTOMATICA DE INYECTORES DE CABEZALESINSTALLATION FOR AUTOMATIC CLEANING OF HEAD INJECTORS
DE IMPRESION DE TINTAINK PRINT
D E S C R I P C I O ND E S C R I P C I O N
OBJETO DE LA INVENCIONOBJECT OF THE INVENTION
La presente invencion se refiere a una instalacion capaz de limpiar automaticamente los inyectores obstruidos en cabezales de impresion de tinta para la decoracion ceramica, que incluye un software espedfico para gobernar los distintos dispositivos electricos, electronicos y mecanicos existentes en dicha instalacion.The present invention relates to an installation capable of automatically cleaning the clogged nozzles in ink printing heads for ceramic decoration, which includes specific software to govern the various electrical, electronic and mechanical devices existing in said installation.
El objeto de la invencion es proporcionar una instalacion que permita limpiar los inyectores de un cabezal de impresion ceramica de forma automatica y permita volver a reutilizar dicho cabezal.The object of the invention is to provide an installation that allows the injectors of a ceramic printhead to be cleaned automatically and allows said head to be reused.
ANTECEDENTES DE LA INVENCIONBACKGROUND OF THE INVENTION
Se conocen sistemas de limpieza automatica en impresoras domesticas e industriales y en varios sectores, como son los de la imprenta, textil, etc., siendo estos sistemas de limpieza insuficientes y en la mayona de los casos inviables cuando se trata de tintas de impresion para la decoracion ceramica debido al complejo sistema de tintas de las maquinas de decoracion ceramica y a los aditivos que poseen estas tintas.Automatic cleaning systems are known in domestic and industrial printers and in various sectors, such as printing, textile, etc., these cleaning systems are insufficient and in most cases unfeasible when it comes to printing inks for the ceramic decoration due to the complex system of inks of the machines of ceramic decoration and to the additives that possess these inks.
Ahora bien, en maquinas de impresion ceramica los unicos sistemas de limpieza que se conocen son el de realizar un goteo de tinta a traves del cabezal afectado y aspirar esa tinta, de forma que la partfcula que esta obstruyendo el inyector sea eliminada, tambien se conocen sistemas en los que se sumerge el cabezal dentro de un deposito con productos limpiadores y a base de ondas ultrasonicas limpian los inyectores. En ambos casos las limpieza se realiza en la parte externa del cabezal y en la mayona de los casos esta limpieza no resulta efectiva y por lo tanto el cabezal de impresion ha de ser sustituido porHowever, in ceramic printing machines the only cleaning systems that are known are to make an ink drip through the affected head and aspirate that ink, so that the particle that is obstructing the injector is eliminated, they are also known systems in which the head is immersed in a tank with cleaning products and based on ultrasonic waves clean the injectors. In both cases the cleaning is done on the outside of the head and in the majority of cases this cleaning is not effective and therefore the print head has to be replaced by
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uno nuevo teniendo que asumir su propietario el elevado costo de este.a new one having to assume its owner the high cost of this.
Actualmente no se conocen instalaciones o sistemas que permitan de forma economica, efectiva y con garantfas, la eliminacion de las partfculas que obstruyen los inyectores de los cabezales utilizados en el sector de la decoracion ceramica.Currently there are no known facilities or systems that allow economically, effectively and with guarantees, the elimination of particles that obstruct the injectors of the heads used in the ceramic decoration sector.
No obstante, se pueden citar determinados documentos tales como la patente de invencion ES 2385611 A1 en la que se describe un sistema para limpieza de inyectores, en donde estos son desplazados hacia la zona de mantenimiento, estando constituido dicho sistema por una unidad de limpieza de los inyectores y recogida de la tinta excedente, que esta dotada de unos cuerpos a modo de labios asimetricos para operaciones simultaneas de purga y recuperacion de los inyectores, arrastre y recogida de la tinta excedente.However, certain documents such as the invention patent ES 2385611 A1 can be cited in which a system for cleaning injectors is described, where these are moved towards the maintenance zone, said system being constituted by a cleaning unit of the injectors and collection of excess ink, which is equipped with bodies as asymmetrical lips for simultaneous operations of purging and recovering the injectors, dragging and collecting excess ink.
En esta patente unicamente se realiza la purga de tinta que circula por el cabezal y se realiza una limpieza externa del cabezal, resultando en la mayona de los casos insuficiente y no existiendo la circulacion de disolvente limpiador por el interior del cabezal o cabezales.In this patent, only the ink purge that circulates through the head is performed and an external cleaning of the head is performed, resulting in insufficient majority of cases and there is no circulation of cleaning solvent inside the head or heads.
Igualmente puede citarse la patente EP 1005998 A1 en la que se describe un sistema de limpieza, en la que los cabezales de impresion van adosados concretamente a una impresora comun, estando colocados en un espacio adaptado a ellos, de manera que el unico sistema que se emplea para realizar la limpieza es la de eliminar el contaminante que puede residir en la superficie externa del cabezal. Es decir que el conjunto de limpieza es externo y realiza unicamente la limpieza exterior del cabezal, siendo esa limpieza insuficiente.The EP 1005998 A1 patent can also be cited, in which a cleaning system is described, in which the printheads are specifically attached to a common printer, being placed in a space adapted to them, so that the only system to be used to clean is to remove the contaminant that may reside on the outer surface of the head. That is to say that the cleaning set is external and only performs the external cleaning of the head, this cleaning being insufficient.
Asimismo puede citarse la patente US 4849769 A1 en donde se describe un sistema de limpieza de cabezales, sumergiendo estos en un deposito con lfquido limpiador, anadiendo un agitador ultrasonico para que haya vibraciones que ayuden a la limpieza asf como medios para impulsar el fluido de forma reversible para el circuito distribuidor.It can also be cited the patent US 4849769 A1 where a head cleaning system is described, immersing them in a tank with cleaning liquid, adding an ultrasonic agitator so that there are vibrations that help cleaning as well as means to boost the fluid in a way reversible for the distributor circuit.
En esta patente se utiliza el sistema para realizar la limpieza unicamente por el exterior del cabezal, y aunque utiliza una recirculacion del fluido limpiador, de manera que en ningun caso se establece un cierre del circuito que permita ejercer una elevada presion queIn this patent the system is used to perform the cleaning only on the outside of the head, and although it uses a recirculation of the cleaning fluid, so that in no case a circuit closure is established that allows to exert a high pressure that
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favorezca la limpieza de los inyectores.favor the cleaning of the injectors.
En la patente US 20110146574, se describe una maquina de impresion con un sistema de limpieza de cabezal, pero previsto para efectuar la limpieza externamente, es decir no realiza la limpieza interior de los cabezales.In US Patent 20110146574, a printing machine with a head cleaning system is described, but intended to effect cleaning externally, that is, it does not perform internal head cleaning.
Igualmente, en el documento CN 202368064 U se describe una maquina de impresion que incluye un sistema de limpieza del cabezal por medio de una presion negativa en la base del cabezal, por aspiracion, sin actuar la limpieza por el interior del cabezal.Likewise, in document CN 202368064 U a printing machine is described which includes a head cleaning system by means of a negative pressure at the base of the head, by aspiration, without cleaning acting inside the head.
DESCRIPCION DE LA INVENCIONDESCRIPTION OF THE INVENTION
La invencion que se preconiza esta prevista para la limpieza automatica de uno o varios cabezales de impresion simultaneamente, correspondientes a las de la industria ceramica, resultando estructuralmente sencillo, facil de montar y librando al usuario de perdidas de tiempo ya que este dispositivo es totalmente automatico en su funcionamiento u operatividad.The invention that is recommended is intended for the automatic cleaning of one or more printheads simultaneously, corresponding to those of the ceramic industry, being structurally simple, easy to assemble and ridding the user of wasted time since this device is fully automatic in its operation or operability.
El usuario unicamente tendra que poner los cabezales en el lugar indicado y la instalacion realizara todas las maniobras de manera secuencial dependiendo del modelo de cabezal y programa seleccionado en la pantalla tactil que hara de interlocutor entre hombre y la instalacion.The user will only have to put the heads in the indicated place and the installation will carry out all the maneuvers sequentially depending on the head model and program selected on the touch screen that will act as an interlocutor between man and the installation.
Mas concretamente, la instalacion de la invencion se constituye mediante una mesa de trabajo que integra un deposito donde se introduce el disolvente limpiador de tinta. Este deposito contara con una resistencia para calentar el lfquido a la temperatura idonea para la limpieza de los inyectores, una sonda de temperatura que confirmara en la pantalla tactil la temperatura a la que se encuentra el lfquido y unos sensores de nivel que marcaran el nivel mfnimo y maximo del deposito.More specifically, the installation of the invention is constituted by a work table that integrates a tank where the ink cleaning solvent is introduced. This tank will have a resistance to heat the liquid to the ideal temperature for cleaning the injectors, a temperature probe that will confirm on the touch screen the temperature at which the liquid is and a level sensors that will mark the minimum level and maximum deposit.
En la parte inferior de este deposito se tiene la salida y entrada del lfquido hacia los cabezales de impresion. Este lfquido se hace recircular por un tubo que servira deIn the lower part of this tank there is the exit and entrance of the liquid towards the printheads. This liquid is recirculated by a tube that will serve as a
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interconexion entre un filtro que se encargara de eliminar impurezas o partfculas no deseadas, asf como con una electro valvula de cuatro vfas que servira para invertir el sentido de la recirculacion para una mejor limpieza, los propios cabezales, y una bomba electrica que sera la que provocara la recirculacion ejerciendo una presion negativa en el propio circuito. La electro valvula tambien servira para cerrar el circuito en un punto mientras la bomba inyecta el limpiador y hace que suba la presion en la zona del cabezal. De esta forma el limpiador saldra con presion en los propios inyectores del cabezal tratando de desobstruir el inyector afectado.interconnection between a filter that is responsible for removing impurities or unwanted particles, as well as with a four-way electro valve that will serve to reverse the direction of recirculation for better cleaning, the heads themselves, and an electric pump that will be the one will cause recirculation by exerting a negative pressure on the circuit itself. The electro valve will also serve to close the circuit at one point while the pump injects the cleaner and causes the pressure to rise in the head area. In this way the cleaner will come out with pressure on the head injectors themselves trying to unclog the affected injector.
Para optimizar la limpieza, el cabezal o cabezales iran colocados en una plancha perfectamente troquelada que sera volteada 90° por un motor para que en una de las secuencias automaticas la limpieza se realice con el cabezal boca abajo.To optimize the cleaning, the head or heads will be placed on a perfectly die-cut plate that will be turned 90 ° by an engine so that in one of the automatic sequences the cleaning is done with the head upside down.
Una bandeja de acero inoxidable se llenara de manera automatica con disolvente limpiador de tintas ceramica, en la cual se sumergira el cabezal o cabezales tambien de forma automatica para recibir una limpieza a base de ondas ultrasonicas.A stainless steel tray will be filled automatically with ceramic ink cleaning solvent, in which the head or heads will also be submerged automatically to receive ultrasonic wave-based cleaning.
Cuando se hayan realizado todas las secuencias automaticas se podra considerar que el cabezal esta limpio y recuperado. Dicha bandeja incluye un transductor de ultrasonidos y dos piezoelectricos asociados a un cuadro electrico, para generar ondas ultrasonicas.When all the automatic sequences have been carried out, the head can be considered clean and recovered. Said tray includes an ultrasonic transducer and two piezoelectrics associated with an electrical panel, to generate ultrasonic waves.
Es entonces cuando por aspiracion se extrae del interior del cabezal el lfquido limpiador sobrante que hubiese quedado dentro.That is when the excess cleaning liquid that was left inside is removed from the inside of the head.
DESCRIPCION DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Para complementar la descripcion que seguidamente se va a realizar y con objeto de ayudar a una mejor comprension de las caracterfsticas del invento, de acuerdo con un ejemplo preferente de realizacion practica del mismo, se acompana como parte integrante de dicha descripcion, un juego de dibujos en donde con caracter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that will then be made and in order to help a better understanding of the features of the invention, according to a preferred example of practical implementation thereof, a set of drawings is accompanied as an integral part of said description. where, with an illustrative and non-limiting nature, the following has been represented:
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La figura 1.- Muestra una representacion esquematica de la instalacion para la limpieza automatica de los inyectores de cabezales de impresion, segun el objeto de la invencion.Figure 1 shows a schematic representation of the installation for automatic cleaning of the printhead nozzles, according to the object of the invention.
La figura 2.- Muestra una representacion esquematica correspondiente a la bandeja con el traductor ultrasonico y los piezoelectricos que forman parte del sistema de la invencion.Figure 2.- Shows a schematic representation corresponding to the tray with the ultrasonic translator and the piezoelectrics that are part of the system of the invention.
REALIZACION PREFERENTE DE LA INVENCIONPREFERRED EMBODIMENT OF THE INVENTION
Como se puede ver en las figuras referidas, la instalacion de la invencion comprende una mesa de trabajo (1) en cuya parte superior se ha previsto una placa (2) con troquelados (3) para el posicionado del cabezal o cabezales (3) que se pretenden limpiar, siendo esa plancha (2) con los cabezales correspondientes volteable por medio de un motor (4) que permite posicionar invertidamente los cabezales para conseguir una mayor eficacia en su limpieza.As can be seen in the aforementioned figures, the installation of the invention comprises a worktable (1) in whose upper part a plate (2) with die cuttings (3) for positioning the head or heads (3) is provided. They are intended to be cleaned, being that plate (2) with the corresponding heads turned by means of a motor (4) that allows the heads to be inverted to achieve greater efficiency in cleaning.
Bajo la mesa de trabajo (1) se ha previsto un deposito (5) contenedor de disolvente limpiador con una resistencia (6) de calentamiento, para conseguir calentar el disolvente limpiador a la temperatura idonea para limpieza de los inyectores, incluyendo tambien una sonda de temperatura (7), que confirmara, en una pantalla tactil (8), la temperatura a la que se encuentra el disolvente limpiador en el interior del deposito (5), empleando tambien sondas de nivel (9) y (9’) que indicaran los niveles mfnimo y maximo del disolvente en el interior del deposito (5).Under the work table (1) a tank (5) cleaning solvent container with a heating resistance (6) is provided, in order to be able to heat the cleaning solvent at the ideal temperature for cleaning the injectors, also including a probe temperature (7), which confirms, on a touch screen (8), the temperature at which the cleaning solvent is inside the tank (5), also using level (9) and (9 ') probes that indicate the minimum and maximum levels of the solvent inside the tank (5).
En la parte inferior del deposito (5) se han previsto una salida (10) y una entrada (11), de manera que entre los cabezales inyectores previstos en los troquelados (3) de la placa (2) y la salida del deposito (5), se incluye un conducto (12) de recirculacion del disolvente limpiador a traves de los propios cabezales o inyectores, efectuandose la recirculacion mediante una bomba electrica (13) y estableciendose o incorporando el conducto (12), unos filtros (14) para retencion de partfculas e impurezas, asf como una electro-valvula de cuatro vfas (15) que servira para invertir sentido de la circulacion para una mejor limpieza.In the lower part of the tank (5) an outlet (10) and an inlet (11) are provided, so that between the injector heads provided in the die cuts (3) of the plate (2) and the outlet of the tank ( 5), a conduit (12) for recirculation of the cleaning solvent is included through the heads or injectors themselves, the recirculation being carried out by means of an electric pump (13) and establishing or incorporating the conduit (12), filters (14) for retention of particles and impurities, as well as a four-way electrovalve (15) that will serve to reverse the direction of circulation for better cleaning.
Asf mismo, se incluye una bandeja de acero inoxidable (16) con un transductor ultrasonico (17) y unos transductores piezoelectricos (18), asociados a un cuadro electrico para generar las ondas ultrasonicas, de maneara que esa bandeja de acero inoxidable (16) se llenara y 5 vaciara de manera automatica con el disolvente limpiador de tintas, sumergiendose en dicho disolvente contenido en la bandeja (16), el cabezal o cabezales con los inyectores, para la limpieza automatica de estos, todo ello de forma automatica, y con la limpieza a base de ondas ultrasonicas.Likewise, a stainless steel tray (16) is included with an ultrasonic transducer (17) and piezoelectric transducers (18), associated with an electrical panel to generate the ultrasonic waves, in a way that this stainless steel tray (16) it will be filled and emptied automatically with the ink cleaning solvent, immersing in said solvent contained in the tray (16), the head or heads with the injectors, for the automatic cleaning of these, all automatically, and with ultrasonic wave based cleaning.
10 En la figura 2 se puede ver esa bandeja (16) y superiormente la placa (2) con los troquelados (3) para los cabezales o inyectores correspondientes, habiendose previsto ademas un tubo (19) a traves del cual y mediante una bomba de succion (20), se efectua la aspiracion de los cabezales correspondientes, retirando del interior de estos el lfquido limpiador sobrante que hubiese quedado dentro.10 In Figure 2 you can see that tray (16) and superiorly the plate (2) with the punches (3) for the corresponding heads or injectors, also having a tube (19) provided through which and by means of a pump suction (20), the suction of the corresponding heads is carried out, removing from the interior of these the remaining cleaning liquid that would have remained inside.
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Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201430870A ES2553307B1 (en) | 2014-06-06 | 2014-06-06 | Installation for automatic cleaning of ink print head nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201430870A ES2553307B1 (en) | 2014-06-06 | 2014-06-06 | Installation for automatic cleaning of ink print head nozzles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2553307A1 ES2553307A1 (en) | 2015-12-07 |
| ES2553307B1 true ES2553307B1 (en) | 2016-09-14 |
Family
ID=54767637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201430870A Expired - Fee Related ES2553307B1 (en) | 2014-06-06 | 2014-06-06 | Installation for automatic cleaning of ink print head nozzles |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2553307B1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0780385A (en) * | 1993-09-10 | 1995-03-28 | Hirata Corp | Coating head cleaning device and cleaning method of coating head |
| US6471328B1 (en) * | 1997-07-07 | 2002-10-29 | International Business Machines Corporation | Fluid head cleaning system |
| US6158838A (en) * | 1998-12-10 | 2000-12-12 | Eastman Kodak Company | Method and apparatus for cleaning and capping a print head in an ink jet printer |
| US6290323B1 (en) * | 1999-09-28 | 2001-09-18 | Eastman Kodak Company | Self-cleaning ink jet printer system with reverse fluid flow and rotating roller and method of assembling the printer system |
| KR20070050259A (en) * | 2005-11-10 | 2007-05-15 | 엘지.필립스 엘시디 주식회사 | Ink-jet equipment |
| CN103143535A (en) * | 2013-03-29 | 2013-06-12 | 南通繁华玻璃金属制品有限公司 | Printing ink cleaning machine |
-
2014
- 2014-06-06 ES ES201430870A patent/ES2553307B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2553307A1 (en) | 2015-12-07 |
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