ES2239497B1 - PRINTING SYSTEM TO COVER MASSES ON THE MARGINAL EDGES OF THE CARTON IRON WHICH ALLOWS TO MINIMIZE THE REMAINING PERIMETER RETAL, AND EVEN DELETE IT. - Google Patents
PRINTING SYSTEM TO COVER MASSES ON THE MARGINAL EDGES OF THE CARTON IRON WHICH ALLOWS TO MINIMIZE THE REMAINING PERIMETER RETAL, AND EVEN DELETE IT.Info
- Publication number
- ES2239497B1 ES2239497B1 ES200300148A ES200300148A ES2239497B1 ES 2239497 B1 ES2239497 B1 ES 2239497B1 ES 200300148 A ES200300148 A ES 200300148A ES 200300148 A ES200300148 A ES 200300148A ES 2239497 B1 ES2239497 B1 ES 2239497B1
- Authority
- ES
- Spain
- Prior art keywords
- cliché
- marginal
- printing
- supplements
- cardboard
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41G—APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLES; AUXILIARY FOR PERFORATING IN CONJUNCTION WITH PRINTING
- B41G7/00—Auxiliary perforating apparatus associated with printing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING 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
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
Landscapes
- Making Paper Articles (AREA)
Abstract
Sistema de impresión para cubrir masas en los bordes marginales de la plancha de cartón que permite minimizar el retal perimetral sobrante, e incluso eliminarlo. El sistema está previsto para conseguir una impresión superficial e integral de las planchas de cartón ondulado, a pesar de que en las mismas existan deformaciones marginales producidas por los medios de corte de dichas planchas. Para ello el cliché (8) incorpora, en zonas marginales del mismo, entre su base (9) de poliéster o similar y su lámina de impresión (10) a base de resinas de fotopolímero, al menos un suplemento (11), opcionalmente una pareja de suplementos (11-11''), que elevan convenientemente las zonas marginales del cliché definiendo en el mismo tramos arqueados (12) de perfecta adaptación superficial, durante la impresión, a las deformaciones sufridas por la plancha de cartón en la operación de corte de la misma.Printing system to cover masses on the marginal edges of the cardboard plate that allows minimizing the excess perimeter scrap, and even eliminating it. The system is designed to achieve a superficial and integral impression of the corrugated cardboard sheets, although there are marginal deformations produced by the cutting means of said plates. For this, the cliché (8) incorporates, in marginal areas thereof, between its base (9) of polyester or similar and its printing sheet (10) based on photopolymer resins, at least one supplement (11), optionally a pair of supplements (11-11 ''), which conveniently raise the marginal areas of the cliché defining in the same arched sections (12) of perfect surface adaptation, during printing, to the deformations suffered by the cardboard plate in the operation of Cut of it.
Description
Sistema de impresión para cubrir masas en los bordes marginales de la plancha de cartón que permite minimizar el retal perimetral sobrante, e incluso eliminarlo.Printing system to cover masses in marginal edges of the cardboard plate that minimizes the scrap perimeter left over, and even eliminate it.
La presente invención se refiere a un cliché especialmente concebido para la impresión de planchas de cartón ondulado, concretamente de planchas con sus bordes deformados por efecto de la propia operación de corte de las mismas y por su naturaleza ondulada.The present invention relates to a cliché specially designed for printing cardboard plates corrugated, specifically of plates with their edges deformed by effect of the operation of cutting them and their wavy nature.
El objeto de la presente invención es conseguir una impresión integral de la superficie de la plancha de cartón, a pesar del aplastamiento que se produce en las zonas marginales de la misma en la operación de corte en la onduladora, tanto en sentido longitudinal (corte de Slitter) como en sentido transversal (cortadora transversal).The object of the present invention is to achieve an integral impression of the surface of the cardboard plate, to despite the crushing that occurs in the marginal areas of the same in the cutting operation in the corrugator, both in longitudinal direction (Slitter cut) as in transverse direction (cross cutter).
En los procesos de fabricación de cartón ondulado, la máquina onduladora genera una banda continua de cartón ondulado, que en el seno de la propia máquina es sometida a una serie de cortes longitudinales y transversales, que dan lugar a planchas de cartón ondulado, de dimensiones adecuadas para obtener de cada una de ellas una o más cajas de cartón.In the cardboard manufacturing processes corrugated, the corrugating machine generates a continuous band of cardboard corrugated, which inside the machine itself is subjected to a series of longitudinal and transverse cuts, which give rise to corrugated cardboard sheets, of suitable dimensions to obtain of each one of them one or more cardboard boxes.
Tanto en los cortes transversales como en los cortes longitudinales, se produce una deformación de los bordes de la plancha de cartón ondulado, cuyo espesor decrece brusca y acusadamente en tales zonas marginales, que hace que dichas zonas no entren en contacto con el cliché durante la posterior fase de impresión del cartón, o lo que es lo mismo, que dicha impresión gráfica no cubra toda la superficie del cartón, dejando calvas en las zonas marginales del mismo, quedando sin imprimir adecuadamente los bordes de las planchas de cartón ondulado para la impresión de platos y bandejas de agricultura y embalajes que se vean afectados en sus lados marginales por el problema antes descrito, desde la línea 30 de la página anterior a la 9 de la presente página.Both in cross sections and in longitudinal cuts, deformation of the edges of the corrugated cardboard plate, whose thickness decreases sharply and sharply in such marginal areas, which makes such areas do not come into contact with the cliché during the subsequent phase of cardboard printing, or what is the same, as said printing graphic does not cover the entire surface of the cardboard, leaving bald on the marginal areas of it, remaining without printing properly the edges of corrugated cardboard sheets for printing agricultural plates and trays and packaging that are affected on its marginal sides because of the problem described above, from the line 30 of the previous page to 9 of this page.
Para resolver esta problemática se adoptan en la actualidad dos soluciones distintas:To solve this problem they are adopted in the Two different solutions:
Una de ellas consiste en sobredimensionar convenientemente las planchas de cartón para poder recortarlas después, mediante troquelado y obtener así cortes perfectos sin deformación de material, solución que trae consigo una notable pérdida de material generado por dichos recortes marginales, con el consecuente encarecimiento que ello supone.One of them is to oversize conveniently the cardboard plates to be able to cut them then, by die cutting and thus obtain perfect cuts without deformation of material, solution that brings with it a remarkable loss of material generated by these marginal cuts, with the consequent increase that this implies.
La otra solución consiste en reducir drásticamente la velocidad de impresión para intentar cubrir los bordes marginales correctamente, lo que a su vez limita la velocidad de producción y repercute de forma muy considerable en el rendimiento de la instalación.The other solution is to reduce drastically print speed to try to cover the marginal edges correctly, which in turn limits the speed of production and has a very considerable impact on the installation performance.
El cliché especial para imprimir que la invención propone, resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, permitiendo un aprovechamiento íntegro de la materia prima, es decir, del cartón ondulado, asegurando una impresión integral con un mínimo, e incluso con una ausencia total, de desperdicio adicional en los bordes marginales y sin tener que reducir en lo más mínimo, e incluso pudiendo aumentar, la velocidad de producción.The special cliché to print that the invention proposes, resolves the problem fully satisfactorily previously exposed, allowing full use of the raw material, that is, corrugated cardboard, ensuring a comprehensive printing with a minimum, and even with a total absence, of extra waste on the marginal edges and without having to reduce in the least, and even being able to increase, the speed of production.
Para ello y de forma más concreta dicho cliché, a partir de la estructuración básica de un cliché convencional, según la cual en el mismo participa una base de poliéster o "mylar" sobre la que se monta una lámina de espesor adecuado llamada cliché, fabricada a base de resinas de fotopolímero, con dureza real de 24º Shore A y/o inferiores a 24º Shore A, una vez la resina se haya polimerizado o solidificado, la invención se centra en el hecho de que entre la base y el cliché para imprimir, concretamente en las zonas marginales del conjunto, se establece al menos un suplemento, que puede presentar una sección rectangular, semicircular, o poligonal, adecuada para dotar a la lámina de impresión o cliché, también en sus zonas marginales, de una ligera inflexión que asegure su perfecta adaptación superficial a la plancha de cartón, a pesar de la deformación sufrida por la misma durante la citada operación previa al corte longitudinal en la onduladora. Para tal fin, también se podrán disponer uno o varios suplementos dentro de la propia materia prima del cliché, que serán de morfología diversa en algunos casos, siempre dependiendo del trabajo al que se destine el cliché, pero que en otras circunstancias, será de forma circular, y estará hueco o relleno con materiales flexibles, incluso alambres o varillas metálicas o no metálicas maleables; en otros casos, el suplemento que se ubique dentro de la propia materia prima del cliché podrá tener forma de "tira", o banda rectangular, de material igualmente flexible. El cliché para imprimir podrá estar formado de varios segmentos con distintos tipos de resinas, siempre y cuando éstas sean de dureza real una vez hayan polimerizado solidificado de 24º Shore A y/o inferiores a 24º Shore A, donde podrán alojarse, siempre dependiendo de la funcionalidad a la que se destine el cliché, los suplementos anteriormente descritos.To do this and more specifically said cliché, to from the basic structuring of a conventional cliché, according to which participates in a polyester or "mylar" base on which a sheet of suitable thickness called cliché, made of photopolymer resins, hard real 24º Shore A and / or less than 24º Shore A, once the resin has been polymerized or solidified, the invention focuses on the fact that between the base and the cliche to print, specifically in the marginal areas of the complex, at least one supplement, which may have a rectangular section, semicircular, or polygonal, suitable to provide the sheet with impression or cliché, also in its marginal areas, of a slight inflection that ensures its perfect surface adaptation to the cardboard plate, despite the deformation suffered by it during the aforementioned operation prior to the longitudinal cut in the undulating For this purpose, one or more may also be provided. supplements within the cliché's own raw material, which will be of diverse morphology in some cases, always depending on the work to which the cliché is destined, but that in others circumstances, will be circular, and will be hollow or filled with flexible materials, including wires or metal rods or non-malleable metal; in other cases, the supplement that is located within the cliché's own raw material, it may have the form of "strip", or rectangular band, of equally flexible material. The cliché to print may consist of several segments with different types of resins, as long as they are hard real once they have polymerized solidified from 24º Shore A and / or below 24º Shore A, where they can stay, provided depending on the functionality to which the cliché is destined, the supplements described above.
En el supuesto de que, por las características de la operación de corte llevada a cabo, los bordes transversales de las planchas de cartón también hubiesen sufrido una deformación similar a la anteriormente citada, lógicamente el cliché deberá estar igualmente dotado de suplementos similares a los anteriores, en los bordes correspondientes del mismo, pudiendo también estar dotado de suplementos en el interior de la propia materia prima del cliché.In the event that, by the characteristics of the cutting operation carried out, the transverse edges of the cardboard plates would also have suffered a deformation similar to the aforementioned, logically the cliché must be equally equipped with supplements similar to the previous ones, at the corresponding edges thereof, also may be equipped with supplements inside the raw material of the cliche.
En cualquier caso, las dimensiones del cliché para imprimir deberán estar lo suficientemente sobredimensionadas con respecto a las dimensiones de la plancha de cartón, para absorber el incremento de espacio a imprimir que supone la deformación, generalmente arqueada, de los bordes de la plancha de cartón. Esto no resuelve el problema si no se aplica lo descrito entre las líneas 4 de la página anterior a 9 de esta página.In any case, the dimensions of the cliché to print they should be oversized enough with respect to the dimensions of the cardboard plate, for absorb the increase in space to be printed by the deformation, generally arched, of the edges of the plate paperboard. This does not solve the problem if what is described does not apply between lines 4 on the page before 9 on this page.
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguienteTo complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as an integral part of said description, a set of drawings where with character illustrative and not limiting, the following has been represented
La figura 1ª.- muestra una representación esquemática en planta de una banda continua de cartón ondulado a su salida de la correspondiente máquina onduladora.Figure 1 .- shows a representation plan schematic of a continuous band of corrugated cardboard to its output of the corresponding corrugating machine.
La figura 2ª.- muestra, también según una vista en planta, una de las planchas de cartón obtenidas, mediante corte, de la banda continua anterior.Figure 2 .- shows, also according to a view in plan, one of the cardboard plates obtained, by cutting, from the previous continuous band.
La figura 3ª.- muestra, finalmente, y según una representación esquemática en sección, el cliché para impresión de planchas de cartón ondulado como las de las figuras anteriores, realizado de acuerdo con el objeto de la presente invención, y que podrá estar complementado por uno, varios o todos los suplementos reflejados en dicha figura 3.Figure 3 .- shows, finally, and according to a schematic representation in section, the cliche for printing corrugated cardboard sheets like those of the previous figures, carried out in accordance with the object of the present invention, and that may be supplemented by one, several or all supplements reflected in said figure 3.
A la vista de las figuras reseñadas, en especial las figuras 1 y 2 puede observarse como a la salida de una máquina onduladora se genera una banda continua (1), de cartón ondulado, a la que la propia máquina dota de cortes longitudinales y marginales (2), para saneamiento de la banda continua (1), concretamente para eliminar de la misma una estrecha tira marginal (3) cuyo borde suele resultar defectuoso por la propia funcionalidad del corte de la onduladora, estableciéndose además sobre dicha banda continua (1) una pluralidad de cortes longitudinales (4), así como de cortes frontales y transversales (5) de la onduladora, tantos como formatos sean necesarios, que van a dar lugar a las planchas de cartón (6), utilizadas cada una de ellas para la obtención de una o más cajas de cartón ondulado, y en aquéllas que tengan que ser troqueladas hay que sanearle un desperdicio adicional en todo su perímetro mediante troquel, que ya había sido sumado a la hora de confeccionar las medidas de la plancha.In view of the figures outlined, especially Figures 1 and 2 can be seen as at the exit of a machine corrugated a continuous band (1) of corrugated cardboard is generated, to which the machine itself provides longitudinal and marginal cuts (2), for continuous band sanitation (1), specifically for remove from it a narrow marginal strip (3) whose edge it is usually defective due to the functionality of the cutting of the corrugator, also settling on said continuous band (1) a plurality of longitudinal cuts (4), as well as cuts front and transverse (5) of the corrugator, as many as formats are necessary, which will give rise to the plates of cardboard (6), each of them used to obtain one or more corrugated cardboard boxes, and in those that have to be die cut you have to clean up extra waste throughout your perimeter by die, which had already been added at the time of make the measurements of the iron.
En cuanto al conjunto de cliché más el/los suplementos más el "mylar" o premontaje (7) para la impresión de las planchas de cartón ondulado (6), y como se observa en la figura 3, está estructurado, como también es normal, mediante un "mylar" o base de poliéster que constituye lo que comúnmente se denomina "premontaje", base (8) convenientemente sobredimensionada con respecto al cliché para imprimir (9), que complementa al conjunto de cliché más el/los suplementos más el "mylar" o premontaje (7). Este cliché está fabricado con una materia base compuesta por una o varias resinas de fotopolímero líquido con una dureza real de 24º Shore A y/o inferior a 24º Shore A.As for the cliché set plus the supplements plus "mylar" or preassembly (7) for printing of the corrugated sheets (6), and as observed in the Figure 3, is structured, as is also normal, by a "mylar" or polyester base that constitutes what is commonly It is called "pre-assembly", base (8) conveniently oversized with respect to the cliche to print (9), which complements the cliché set plus the / the supplements plus the "mylar" or preassembly (7). This cliché is made with a base material composed of one or several photopolymer resins liquid with a real hardness of 24º Shore A and / or less than 24º Shore TO.
Pues bien, de acuerdo ya con la invención y como también se observa en la figura 3, en el conjunto de cliché más el/los suplementos más el "mylar" o premontaje (7), en sus zonas marginales, entre la base (8) y el cliché para imprimir (9), se establece al menos un suplemento (10), materializado en un suplemento longitudinal que puede adoptar la sección rectangular mostrada en la parte izquierda de la figura 3, una configuración cuadrangular, una configuración poligonal adecuada, o incluso una sección semicircular, o que puede ser doble (10-10') como en el ejemplo representado en la parte derecha del a citada figura 3 y donde lógicamente el suplemento (10), alojado entre el cliché para imprimir (9) y el "mylar" (8), podrá ser de menor altura que el externo (10'), o viceversa. Todo ello dependerá del tipo de grafismo, tipo de soporte y de cartón ondulado a imprimir. Asimismo, se podrá añadir un suplemento dentro de la materia prima o cliché (11), cuya morfología dependerá del trabajo para el que se conciba el cliché en cuestión; este suplemento interno podrá ser también circular, hueco o relleno, compuesto de materiales flexibles, incluso alambres o varillas metálicas o no metálicas, maleables. En cualquier caso, cualquiera de estos suplementos, combinados o por separado, se utilizarán para conferir al cliché para imprimir (9) un arqueamiento marginal (12) en su superficie de adaptación a la plancha (6), que se adecue a la deformación producida en esta última durante la fase de corte y que, en consecuencia, asegure una impresión integral de la superficie de la lancha (6) hasta el propio borde marginal.Well, according to the invention and how it is also seen in figure 3, in the cliché set more the / the supplements plus the "mylar" or pre-assembly (7), in their marginal areas, between the base (8) and the cliché to print (9), at least one supplement (10), materialized in a longitudinal supplement that the rectangular section can adopt shown in the left part of figure 3, a configuration quadrangular, a suitable polygonal configuration, or even a semicircular section, or that can be double (10-10 ') as in the example represented in the right part of the cited one Figure 3 and where logically the supplement (10), housed between the printing cliché (9) and the "mylar" (8), may be smaller height than the external (10 '), or vice versa. All this will depend on the type of graphics, type of support and corrugated cardboard to print. Likewise, a supplement may be added within the raw material or cliché (11), whose morphology will depend on the work for which conceive the cliché in question; this internal supplement may be also circular, hollow or filled, composed of materials flexible, including metal or non-metallic wires or rods, malleable In any case, any of these supplements, combined or separately, they will be used to confer to the cliché to print (9) a marginal bow (12) on its surface of adaptation to the plate (6), which is suitable for deformation produced in the latter during the cutting phase and that, in consequently, ensure an integral impression of the surface of the boat (6) to the marginal edge itself.
Como anteriormente se ha dicho, la base o premontaje (8) estará sobredimensionada con respecto al cliché para imprimir (9), pero este último también está sobredimensionado con respecto a las dimensiones de la plancha de cartón (6), es decir, ancho y largo de la plancha de cartón ondulado.As previously stated, the base or preassembly (8) will be oversized with respect to the cliché for print (9), but the latter is also oversized with regarding the dimensions of the cardboard plate (6), that is, width and length of the corrugated iron.
Frente a la utilización de clichés convencionales, con este nuevo tipo de clichés se obtienen una serie de ventajas que se centran fundamentalmente en los siguientes aspectos:Facing the use of clichés conventional, with this new type of clichés you get a series of advantages that focus primarily on the following aspects:
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- Se llega con la impresión hasta el borde de entrada de la plancha de cartón que toma contacto con la impresora, imprimiendo los bordes aplastados o deformados por el corte longitudinal de la cortadora de la onduladora.Be it arrives with the impression until the entrance edge of the plate of cardboard that makes contact with the printer, printing the edges crushed or deformed by the longitudinal cutting of the cutter of the corrugator.
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- Sucede lo mismo con los bordes laterales de la plancha producidos por el corte transversal de la onduladora y/o prehendidos en la máquina transformadora de cajas.Happens the same with the side edges of the iron produced by the cross section of the corrugator and / or preheated on the machine box transformer
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- Se mantiene una velocidad óptima de impresión y en consecuencia, de producción.Be maintains an optimum printing speed and consequently of production.
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- Se minimiza el retal perimetral pudiendo llegar a eliminarlo en las planchas de cartón, con el consiguiente aprovechamiento de materia prima.Be minimizes the perimeter retal and can eliminate it in the cardboard sheets, with the consequent use of matter cousin.
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- No se daña la onda de cartón.I dont know It damages the cardboard wave.
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- Permite reducir los gramajes del papel.It allows to reduce the weight of the paper.
Claims (3)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200300148A ES2239497B1 (en) | 2003-01-21 | 2003-01-21 | PRINTING SYSTEM TO COVER MASSES ON THE MARGINAL EDGES OF THE CARTON IRON WHICH ALLOWS TO MINIMIZE THE REMAINING PERIMETER RETAL, AND EVEN DELETE IT. |
| AT03380183T ATE358580T1 (en) | 2002-07-26 | 2003-07-24 | DEVICE FOR PRINTING NOTCHED CARDBOARD PANELS |
| ES03380183T ES2283733T3 (en) | 2002-07-26 | 2003-07-24 | PRINTING DEVICE FOR WAVED CARTON SHEETS. |
| DE60312931T DE60312931T2 (en) | 2002-07-26 | 2003-07-24 | Device for printing notched cardboard plates |
| EP03380183A EP1384581B1 (en) | 2002-07-26 | 2003-07-24 | Printing device for scored cardboard sheets |
| PT03380183T PT1384581E (en) | 2002-07-26 | 2003-07-24 | Printing device for scored cardboard sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200300148A ES2239497B1 (en) | 2003-01-21 | 2003-01-21 | PRINTING SYSTEM TO COVER MASSES ON THE MARGINAL EDGES OF THE CARTON IRON WHICH ALLOWS TO MINIMIZE THE REMAINING PERIMETER RETAL, AND EVEN DELETE IT. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2239497A1 ES2239497A1 (en) | 2005-09-16 |
| ES2239497B1 true ES2239497B1 (en) | 2006-07-01 |
Family
ID=35004466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200300148A Expired - Fee Related ES2239497B1 (en) | 2002-07-26 | 2003-01-21 | PRINTING SYSTEM TO COVER MASSES ON THE MARGINAL EDGES OF THE CARTON IRON WHICH ALLOWS TO MINIMIZE THE REMAINING PERIMETER RETAL, AND EVEN DELETE IT. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2239497B1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3605316A (en) * | 1969-02-28 | 1971-09-20 | William P Rogers | Cottonseed fish bait tablets |
| JPS61144351A (en) * | 1984-12-19 | 1986-07-02 | Yoji Iwasaki | Method for printing on corrugated cardboard sheet |
| GB2176202B (en) * | 1985-06-05 | 1989-07-26 | Uniroyal Plastics | Photosensitive elastomeric polymer composition for flexographic printing plate |
-
2003
- 2003-01-21 ES ES200300148A patent/ES2239497B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2239497A1 (en) | 2005-09-16 |
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