ES2730121B2 - PACKAGING CUTTING MATRIX - Google Patents
PACKAGING CUTTING MATRIX Download PDFInfo
- Publication number
- ES2730121B2 ES2730121B2 ES201830444A ES201830444A ES2730121B2 ES 2730121 B2 ES2730121 B2 ES 2730121B2 ES 201830444 A ES201830444 A ES 201830444A ES 201830444 A ES201830444 A ES 201830444A ES 2730121 B2 ES2730121 B2 ES 2730121B2
- Authority
- ES
- Spain
- Prior art keywords
- knives
- plate
- punch
- matrix
- knife holder
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
DESCRIPCIÓNDESCRIPTION
Matriz de corte de envasesPackaging cutting matrix
Objeto de la invención.Object of the invention.
El objeto de la presente invención es una matriz de corte de envase, que presenta unas características adecuadas para realizar el corte de materiales plásticos por ejemplo tipo PLA, PET, PP y otras láminas complejas de diferentes estructuras y grosores, aplicables especialmente en la fabricación de recipientes para uso alimentario; con guiado y formas de portapunzones, punzones y cuchillas con luz menor de 10 milímetrosThe object of the present invention is a container cutting die, which has suitable characteristics for cutting plastic materials, such as PLA, PET, PP and other complex sheets of different structures and thicknesses, applicable especially in the manufacture of containers for food use; with guiding and shapes of punch holders, punches and blades with a clearance of less than 10 millimeters
Campo de aplicación de la invención.Field of application of the invention.
Esta invención es aplicable en máquinas de corte de envases y preferentemente, aunque no de forma limitativa, de envases destinados a la industria alimentaria.This invention is applicable in packaging cutting machines and preferably, although not limited to, packaging intended for the food industry.
Estado de la técnica.State of the art.
En la fabricación de envases y en particular de envases para la industria alimentaria es habitual la utilización de matrices de corte provistas de una placa matriz y una placa porta punzones y cuchillos posibilitada de desplazamiento relativo respecto a la placa matriz entre: una posición inoperante o de apertura, y una posición operativa de cierre en la que los cuchillos y punzones realizan el corte y/o precorte del material de los envases.In the manufacture of containers and in particular of containers for the food industry, it is common to use cutting dies provided with a die plate and a punch and knife holder plate that allows relative displacement with respect to the die plate between: an inoperative or inoperative position. opening, and a closing operative position in which the knives and punches cut and / or pre-cut the material of the containers.
En los documentos DE 19521604 C1 y EP 1649989 A1 se describen dispositivos para el corte de envases que comprenden una placa matriz y una placa porta punzones y cuchillos, posibilitadas de desplazamiento relativa entre una posición inoperante o de apertura en la que los cuchillos y los punzones de la placa porta punzones y cuchillos permanecen distanciados de la placa matriz, y una posición operativa de cierre en la que los cuchillos y los punzones realizan en combinación con la placa matriz unos cortes y/o precortes en los envases.Documents DE 19521604 C1 and EP 1649989 A1 describe devices for cutting packages that comprise a matrix plate and a punch and knife holder plate, making it possible to move relative between an inoperative or opening position in which the knives and punches of the punch holder plate and knives remain distanced from the die plate, and a closed operative position in the that knives and punches, in combination with the matrix plate, perform cuts and / or pre-cuts in the containers.
El documento DE 19929477 A1 describe una máquina de punzonado de material plástico que comprende unos cuchillos de sección no circular, alojados de forma ajustada y fijados por medio de un elemento de apriete en un alojamiento, de una placa, de sección coincidente formal y dimensionalmente con la sección del cuerpo de los cuchillos.Document DE 19929477 A1 describes a plastic material punching machine comprising knives of non-circular section, fitted tightly and fixed by means of a clamping element in a housing, of a plate, of a section formally and dimensionally coincident with the section of the body of the knives.
En las matrices utilizadas actualmente para realizar estas operaciones de corte, el adelantamiento de los cuchillos respecto a la placa porta punzones y cuchillos es de 20 a 25 milímetros; con esta longitud y dado que la sección de los cuchillos es menor que la de los punzones, dichos cuchillos son muy sensibles a las fuerzas laterales producidas durante las operaciones de corte o precorte de los envases, por lo que existe un riesgo de interferencia de los cuchillos con la placa matriz durante su avance hacia la posición de cierre, lo que provoca un deterioro acelerado del filo de corte de los cuchillos y una baja calidad del corte realizado por dichos cuchillos.In the dies currently used to perform these cutting operations, the advancement of the knives with respect to the punch and knife holder plate is 20 to 25 millimeters; With this length and given that the section of the knives is smaller than that of the punches, these knives are very sensitive to the lateral forces produced during the operations of cutting or pre-cutting of the containers, so there is a risk of interference from the knives with the matrix plate during their advance towards the closed position, which causes an accelerated deterioration of the cutting edge of the knives and a poor quality of the cut made by said knives.
En este sentido cabe mencionar que el deterioro del filo de los cuchillos provoca que en las zonas del corte del envase se produzcan filamentos y aristas irregulares que constituyen las principales preocupaciones de los fabricantes y consumidores de productos envasados.In this sense, it is worth mentioning that the deterioration of the edge of the knives causes that in the areas of the cut of the container filaments and irregular edges are produced that constitute the main concerns of the manufacturers and consumers of packaged products.
Por tanto, el problema técnico que se plantea es la introducción en estas matrices de corte de unas mejoras, en lo que se refiere a los cuchillos, que permitan resolver de forma satisfactoria la problemática expuesta anteriormente.Therefore, the technical problem that arises is the introduction in these cutting dies of some improvements, as regards knives, which allow to satisfactorily solve the problems set forth above.
Descripción de la invención.Description of the invention.
La matriz de corte objeto de la presente invención, comprendiendo una placa matriz y una placa porta punzones y cuchillos presenta unas características mejoradas en lo que se refiere a los cuchillos de la placa porta punzones, orientadas a evitar la flexión de los cuchillos del corte y posibles interferencias con la placa matriz; y consiguientemente a incrementar la duración y precisión de corte. The cutting die object of the present invention, comprising a die plate and a punch and knife holder plate, has improved characteristics with regard to the knives of the punch holder plate, aimed at avoiding bending of the cutting knives and possible interference with the motherboard; and consequently to increase the duration and precision of cutting.
Otro de los objetivos de la invención es proporcionar a los cuchillos una forma que asegure un mejor guiado y sobretodo un alojamiento perfecto en la placa porta punzones y los cuchillos.Another objective of the invention is to provide the knives with a shape that ensures better guidance and, above all, a perfect seat on the punch-holder plate and the knives.
Otro de los objetivos de la invención es aumentar la vida y la fiabilidad de los precortes realizados por los cuchillos en los envases.Another objective of the invention is to increase the life and reliability of the precuts made by the knives in the packages.
Para conseguir los objetivos propuestos los cuchillos de corte presentan un cuerpo de sección no circular alojado de forma ajustada y fijado en un alojamiento de una sección coincidente formal y dimensionalmente con la sección del cuerpo de los cuchillos; de modo que el extremo anterior de los cuchillos sobresale una distancia menor de 10 milímetros de la placa porta punzones y cuchillos.To achieve the proposed objectives, the cutting knives have a body of non-circular section housed tightly and fixed in a housing of a section formally and dimensionally coincident with the section of the body of the knives; so that the front end of the knives protrudes a distance less than 10 millimeters from the punch and knife holder plate.
El adelantamiento de los cuchillos en una distancia menor a 10 milímetros, en lugar de los 20 a 25 milímetros observados en las matrices existentes en el mercado, evita que dichos cuchillos puedan flexionar lateralmente debido a las fuerzas laterales que se producen durante el corte o precorte de los envases, evitando de este modo el riesgo de interferencia del filo de los cuchillos con la placa matriz, con lo que se garantiza una vida muy larga de los cuchillos y una calidad mucho mayor del envase o producto cortado.Advancing the knives by a distance of less than 10 millimeters, instead of the 20 to 25 millimeters observed in existing dies on the market, prevents said knives from flexing laterally due to the lateral forces that occur during cutting or pre-cutting. of the containers, thus avoiding the risk of interference of the edge of the knives with the matrix plate, thus guaranteeing a very long life for the knives and a much higher quality of the container or cut product.
De acuerdo con la invención, el alojamiento de la placa porta punzones y cuchillos y el cuerpo de los cuchillos presentan una sección rectangular, asegurando un mejor guiado y sobretodo un alojamiento perfecto de los cuchillos mediante la realización al mismo tiempo y en la misma máquina de la placa porta punzones y cuchillos otros mecanizados para columnas y fijaciones de la placa porta punzones y cuchillos.According to the invention, the housing of the punch and knife holder plate and the body of the knives have a rectangular section, ensuring better guidance and, above all, a perfect housing of the knives by carrying out at the same time and on the same machine. the plate holder for punches and knives other machining for columns and fixings of the plate holder for punches and knives.
La mencionada sección rectangular de los cuchillos y de los alojamientos de la placa porta punzones y cuchillos proporciona una precisión muy elevada en el posicionamiento de los cuchillos.The aforementioned rectangular section of the knives and the housings of the punch and knife holder plate provides a very high precision in the positioning of the knives.
También se ha previsto en esta invención el uso de carburo metálico específico con el fin de aumentar la vida y la fiabilidad del precorte de los envases, lo que constituye un parámetro muy importante para la posterior separación de los envases en el caso de la fabricación de packs de producto, por ejemplo, de yogur. The use of specific metal carbide has also been envisaged in this invention in order to increase the life and reliability of the pre-cutting of the containers, which constitutes a very important parameter for the subsequent separation of the containers in the case of the manufacture of product packs, for example, yogurt.
Descripción de las figuras.Description of the figures.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, the present specification is accompanied by a set of drawings in which, by way of illustration and not limitation, the following has been represented:
- La figura 1 muestra una vista esquemática en alzado de una matriz de corte de envases, según la invención, en una posición inoperante de apertura.- Figure 1 shows a schematic elevation view of a container cutting die, according to the invention, in an inoperative opening position.
- La figura 2 muestra una vista análoga a la anterior, en la que la matriz se ha representado en una posición operativa de corte.- Figure 2 shows a view analogous to the previous one, in which the die has been represented in a cutting operative position.
- La figura 3 muestra una vista en alzado de un ejemplo de realización de la placa porta punzones y cuchillos parcialmente seccionada por uno de los alojamientos de uno de los cuchillos, y en los que se ha representado el cuchillo correspondiente explosionado y alineado con dicho alojamiento.- Figure 3 shows an elevation view of an example of embodiment of the punch and knife holder plate partially sectioned by one of the housings of one of the knives, and in which the corresponding knife has been exploded and aligned with said housing .
- La figura 4 muestra una vista análoga a la anterior en la que el cuchillo se ha representado montado en el alojamiento correspondiente de la placa porta punzones y cuchillos.- Figure 4 shows a view similar to the previous one in which the knife has been shown mounted in the corresponding housing of the punch and knife holder plate.
Realización preferida de la invención.Preferred embodiment of the invention.
Como se puede observar en las figuras 1 y 2 la matriz de corte para envases comprende una placa matriz (1) y una placa porta punzones y cuchillos (2) posibilitadas de desplazamiento relativo entre una posición inoperante o de apertura, representada en la figura 1, en la que los cuchillos (3) y los punzones (4) de la placa (2) permanecen distanciados de la placa matriz (1), y una posición operativa de cierre, representada en la figura 2, en la que los cuchillos (3) y los punzones (4) realizan en combinación con la placa matriz (1) unos cortes y/o precortes en los envases (no representados) posicionados previamente en la placa matriz (1).As can be seen in Figures 1 and 2, the cutting die for containers comprises a die plate (1) and a punch and knife holder plate (2) that allow relative movement between an inoperative or opening position, represented in Figure 1. , in which the knives (3) and the punches (4) of the plate (2) remain distanced from the matrix plate (1), and a closing operative position, represented in figure 2, in which the knives ( 3) and the punches (4), in combination with the matrix plate (1), perform cuts and / or pre-cuts in the packages (not shown) previously positioned on the matrix plate (1).
En las figuras 3 y 4 se observa que los cuchillos (3) presentan un cuerpo (31) de sección no circular, en este caso concreto de sección rectangular, alojado de forma ajustada y fijado con posibilidad de extracción en un alojamiento (21) de la placa porta punzones y cuchillos (2) de forma que en la posición de montaje, mostrada en las figuras 1 y 4, el extremo anterior (32) de los cuchillos (3) sobresale una distancia menor de 10 milímetros de la placa porta punzones y cuchillos (2).Figures 3 and 4 show that the knives (3) have a body (31) made of non-circular section, in this specific case of rectangular section, housed in a tight way and fixed with the possibility of extraction in a housing (21) of the punch and knife holder plate (2) so that in the assembly position, shown in the Figures 1 and 4, the front end (32) of the knives (3) protrudes a distance of less than 10 millimeters from the punch and knife holder plate (2).
En una realización preferente el mencionado extremo anterior (32) de los cuchillos (3) sobresale 7 milímetros de la placa porta punzones y cuchillos (2), siendo esta longitud suficiente para garantizar un correcto funcionamiento de la matriz, realizando el corte o precorte del material del envase y evitar la flexión o desviación lateral del de los cuchillos, y el deterioro de su filo de corte, debido a los esfuerzos laterales producidos durante el corte o precorte de los envases.In a preferred embodiment, the aforementioned front end (32) of the knives (3) protrudes 7 millimeters from the punch and knife holder plate (2), this length being sufficient to guarantee correct operation of the die, cutting or pre-cutting the material of the container and avoid the bending or lateral deviation of the knives, and the deterioration of its cutting edge, due to the lateral forces produced during the cutting or pre-cutting of the containers.
En el ejemplo de realización mostrado en las figuras, y tal como se puede observar con mayor claridad en el despiece de la figura 3, los cuchillos (3) se fijan por su extremo posterior mediante un elemento de apriete (5), desmontable, representado por un tornillo que pasa a través de un separador (51) y se rosca sobre el extremo posterior del cuchillo (3) correspondiente.In the embodiment shown in the figures, and as can be seen more clearly in the exploded view of figure 3, the knives (3) are fixed at their rear end by means of a removable clamping element (5), shown by a screw that passes through a spacer (51) and is threaded onto the rear end of the corresponding knife (3).
El montaje del elemento de apriete o tornillo (5) y del elemento separador se realiza por la parte superior de la placa porta punzones y cuchillos (2) contactando el mencionado separador (51) frontalmente contra un escalón de tope definido en la mencionada placa porta punzones y cuchillos (2).The assembly of the clamping element or screw (5) and the separating element is carried out by the upper part of the punch and knife holder plate (2), contacting said separator (51) frontally against a stop step defined in said holder plate punches and knives (2).
En esta realización concreta, los cuchillos (3) están fabricados en carburo metálico de alta resistencia mecánica con el fin de garantizar la durabilidad del filo de corte.In this specific embodiment, the knives (3) are made of metal carbide with high mechanical resistance in order to guarantee the durability of the cutting edge.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación. Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the elements described may be modified, as long as this does not imply an alteration. of the essential characteristics of the invention that are claimed below.
Claims (3)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201830444A ES2730121B2 (en) | 2018-05-07 | 2018-05-07 | PACKAGING CUTTING MATRIX |
| PL19000208T PL3566834T3 (en) | 2018-05-07 | 2019-04-30 | Container cutting die |
| EP19000208.9A EP3566834B1 (en) | 2018-05-07 | 2019-04-30 | Container cutting die |
| ES19000208T ES2876975T3 (en) | 2018-05-07 | 2019-04-30 | Container die |
| DK19000208.9T DK3566834T3 (en) | 2018-05-07 | 2019-04-30 | CONTAINER CUTTING MATRIX |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201830444A ES2730121B2 (en) | 2018-05-07 | 2018-05-07 | PACKAGING CUTTING MATRIX |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2730121A1 ES2730121A1 (en) | 2019-11-08 |
| ES2730121B2 true ES2730121B2 (en) | 2021-03-18 |
Family
ID=66554092
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201830444A Active ES2730121B2 (en) | 2018-05-07 | 2018-05-07 | PACKAGING CUTTING MATRIX |
| ES19000208T Active ES2876975T3 (en) | 2018-05-07 | 2019-04-30 | Container die |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES19000208T Active ES2876975T3 (en) | 2018-05-07 | 2019-04-30 | Container die |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3566834B1 (en) |
| DK (1) | DK3566834T3 (en) |
| ES (2) | ES2730121B2 (en) |
| PL (1) | PL3566834T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108565A (en) * | 2020-09-04 | 2020-12-22 | 江苏艾锐博精密金属科技有限公司 | Bidirectional flattening product structure and flattening process thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636256B1 (en) * | 1988-09-13 | 1994-07-08 | Pignon Guy | DEVICE FOR FIXING ELEMENTS OF PRESS TOOLS IN THEIR SUPPORT |
| FR2661341B2 (en) * | 1988-09-13 | 1994-09-09 | Pignon Guy | DEVICE FOR FIXING ELEMENTS OF PRESS TOOLS IN THEIR SUPPORT. |
| FR2697462A1 (en) * | 1992-11-04 | 1994-05-06 | Multivac France | Cutter for rigid plastics films - has support bar containing prismatic shaped blade |
| DE4304951C2 (en) * | 1993-02-18 | 1997-09-11 | Wachsmuth & Co Werkzeugbau | Tool for punching single and multiple containers made of plastic film |
| DE19521604C1 (en) * | 1995-06-14 | 1997-04-17 | Wachsmuth & Co Werkzeugbau | Blades adjusting device for multi-compartment stamping installation |
| DE19929477A1 (en) * | 1999-06-26 | 2000-12-28 | Walter Engels | Cutting knife has facet facing flank, basic body to which is fixed cutting strip with cutting section and edge, insertion end, groove and thrust piece |
| DE10017042B4 (en) | 2000-04-05 | 2004-09-30 | Adolf Illig Maschinenbau Gmbh & Co.Kg | Forming / punching tool for the manufacture of containers from a thermoplastic film |
| DE502004006058D1 (en) * | 2004-10-22 | 2008-03-13 | Wachsmuth & Co Werkzeugbau | Tool for punching single and multiple containers made of plastic film |
| ES2391978T3 (en) | 2006-08-14 | 2012-12-03 | Blumer Maschinenbau Ag | Die cutting device and process for its operation |
| DE102009022931A1 (en) | 2009-05-27 | 2010-12-09 | CIP - Centrum für Innovative-Produktionssysteme GmbH i.G. | Punching tool and method of making the same |
| ES2798774T3 (en) | 2011-03-25 | 2020-12-14 | Nippon Steel Corp | Steel plate with excellent durability for band-shaped die cutting blades and band-shaped die cutting blade |
| FR3022818B1 (en) * | 2014-06-30 | 2016-06-03 | Sogameca Sas | IMPROVEMENT TO TOOLS FOR GROOVED MATRIX CUTTING OF MULTIPLE OBJECTS IN SHEET MATERIAL |
| CH712805B1 (en) | 2016-08-12 | 2021-02-26 | Huber Daniela | Holding device for receiving at least one tool, tool for this holding device and method for grinding and positioning this tool. |
-
2018
- 2018-05-07 ES ES201830444A patent/ES2730121B2/en active Active
-
2019
- 2019-04-30 ES ES19000208T patent/ES2876975T3/en active Active
- 2019-04-30 PL PL19000208T patent/PL3566834T3/en unknown
- 2019-04-30 DK DK19000208.9T patent/DK3566834T3/en active
- 2019-04-30 EP EP19000208.9A patent/EP3566834B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DK3566834T3 (en) | 2021-05-25 |
| PL3566834T3 (en) | 2021-08-09 |
| EP3566834A1 (en) | 2019-11-13 |
| ES2730121A1 (en) | 2019-11-08 |
| EP3566834B1 (en) | 2021-04-07 |
| ES2876975T3 (en) | 2021-11-15 |
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