ES1176663U - Container for granular products (Machine-translation by Google Translate, not legally binding) - Google Patents
Container for granular products (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES1176663U ES1176663U ES201730091U ES201730091U ES1176663U ES 1176663 U ES1176663 U ES 1176663U ES 201730091 U ES201730091 U ES 201730091U ES 201730091 U ES201730091 U ES 201730091U ES 1176663 U ES1176663 U ES 1176663U
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Abstract
Description
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DESCRIPCIONDESCRIPTION
Envase para productos granulares Objeto de la invencionContainer for granular products Object of the invention
La presente invencion se refiere a un envase para productos granulares. En particular, la presente invencion se refiere a un envase al vado para productos alimentarios en granulos, tales como, por ejemplo, arroz y cereales en general.The present invention relates to a container for granular products. In particular, the present invention relates to a vacuum container for food products in granules, such as, for example, rice and cereals in general.
Antecedentes de la invencionBackground of the invention
Como se conoce, los productos alimentarios en granulos, a los que se refiere particularmente la invencion, se envasan al vado en recipientes hechos de material laminado o pelicula multicapa, que comprende tipicamente dos o mas capas de material adecuado acopladas o unidas permanentemente en toda la superficie, por ejemplo, por adhesion.As is known, the food products in granules, to which the invention particularly relates, are packaged in the container in containers made of laminated material or multilayer film, typically comprising two or more layers of suitable material coupled or permanently bonded throughout the entire surface, for example, by adhesion.
Tipicamente, la peKcula comprende una capa de sellado interna, hecha de polietileno, polietileno de baja densidad (LDPE), polipropileno y similares, acoplada a una capa externa hecha de nylon (bi-orientado u otro) y similares. La capa interna de la pelicula esta destinada durante el uso a ponerse en contacto con el producto en granulos que se tiene que envasar.Typically, the film comprises an inner sealing layer, made of polyethylene, low density polyethylene (LDPE), polypropylene and the like, coupled to an outer layer made of nylon (bi-oriented or other) and the like. The inner layer of the film is intended during use to contact the product in granules to be packaged.
El documento EP 278.130 describe un recipiente, particularmente para productos granulares, con una pared doble, es decir, que comprende una pared interna en contacto con el producto y una pared externa fijada a la pared interna mediante areas adhesivas, que dejan canales para la entrada de aire ambiental al espacio entre las dos paredes. De este modo, cuando se crea vado en el recipiente, la pared interna se adhiere al producto granular siguiendo las irregularidades del mismo, mientras que la pared externa permanece lisa debido a la entrada de aire al espacio que se ha mencionado anteriormente.EP 278,130 describes a container, particularly for granular products, with a double wall, that is, comprising an internal wall in contact with the product and an external wall fixed to the internal wall by adhesive areas, which leave channels for entry of ambient air to the space between the two walls. In this way, when a ford is created in the container, the internal wall adheres to the granular product following the irregularities thereof, while the external wall remains smooth due to the entry of air into the space mentioned above.
Descripcion de la invencionDescription of the invention
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El solicitante ha indicado que los envases al vado que se han descrito anteriormente para productos granulares de la tecnica anterior presentan el inconveniente de estar expuestos a perforaciones.The applicant has indicated that the vacuum containers described above for granular products of the prior art have the disadvantage of being exposed to perforations.
Como se ha indicado previamente, se crea un vado dentro del envase, de tal forma que el producto granular esta en contacto muy estrecho con las paredes del envase, particularmente con las paredes frontal, posterior y laterales. En el caso de que el producto granular presente rugosidad o areas afiladas como, por ejemplo, en el caso de granos de arroz, estos pueden provocar la perforacion del envase, con una perdida consiguiente de vado y posible salida y/o deterioro de dicho producto.As previously indicated, a ford is created inside the package, so that the granular product is in very close contact with the walls of the container, particularly with the front, rear and side walls. In the event that the granular product presents roughness or sharp areas such as, for example, in the case of rice grains, these can cause the perforation of the container, with a consequent loss of ford and possible exit and / or deterioration of said product .
Por lo tanto, el solicitante ha abordado el problema de proporcionar un envase para productos granulares que sea capaz de superar el inconveniente que se ha mencionado anteriormente.Therefore, the applicant has addressed the problem of providing a package for granular products that is capable of overcoming the drawback mentioned above.
En particular, el solicitante ha abordado el problema de proporcionar un envase para productos granulares que tenga una alta resistencia a perforacion por el producto granular contenido en el mismo.In particular, the applicant has addressed the problem of providing a container for granular products that has a high puncture resistance for the granular product contained therein.
Este objeto se consigue mediante el envase de acuerdo con la invencion, que tiene las caracteristicas de la reivindicacion independiente adjunta 1.This object is achieved by the package according to the invention, which has the characteristics of the attached independent claim 1.
Se describen realizaciones ventajosas de la invencion en las reivindicaciones dependientes.Advantageous embodiments of the invention are described in the dependent claims.
Esencialmente, el envase de acuerdo con la invencion, hecho de una pelicula multicapa, que comprende al menos una capa de sellado interna de material con una cierta elasticidad, tal como polietileno, y al menos una capa externa de material con una mayor rigidez, tal como nylon, se caracteriza por que dichas capas no estan completamente acopladas entre si en el area que tiene por objeto disponerse en las paredes frontal, posterior y laterales del envase, estando dichas capas acopladas en cualquier caso de forma perimetrica entre si a fin de evitar la entrada de aire entre las mismas. De este modo, coexisten dos aspectos fundamentales: rigidez del laminado para garantizar la maquinabilidad y elasticidad para aumentar la resistencia del mismo a la perforacion.Essentially, the package according to the invention, made of a multilayer film, comprising at least one inner sealing layer of material with a certain elasticity, such as polyethylene, and at least one outer layer of material with a higher stiffness, such as nylon, it is characterized in that said layers are not completely coupled together in the area that is intended to be arranged on the front, back and side walls of the package, said layers being in any case perimetrically interconnected in order to avoid the air inlet between them. Thus, two fundamental aspects coexist: stiffness of the laminate to guarantee machinability and elasticity to increase its resistance to perforation.
Ventajosamente, en esta area, no acoplamiento o un acoplamiento puntiforme seAdvantageously, in this area, no coupling or a point coupling is
proporciona entre dichas capas. Se puede proporcionar opcionalmente un acoplamientoprovides between those layers. A coupling can optionally be provided
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total a lo largo de franjas en el envase colocadas al menos en un par de esquinas verticales del mismo.total along strips in the container placed at least in a pair of vertical corners thereof.
El acoplamiento no total entre las dos capas en el area que se ha mencionado anteriormente permite que la capa interna se deforme elasticamente a fin de adaptarse a cualquier parte afilada del producto granular cuando el envase se somete a vado, mientras que la capa externa proporciona la rigidez del envase. De este modo se evita el riesgo de perforacion con una perdida consiguiente de vado, presente en los envases de la tecnica anterior hechos de material multicapa acoplados en toda la superficie.The non-total coupling between the two layers in the area mentioned above allows the inner layer to be elastically deformed in order to adapt to any sharp part of the granular product when the container is subjected to ford, while the outer layer provides the container stiffness In this way the risk of perforation is avoided with a consequent loss of ford, present in the prior art containers made of multilayer material coupled throughout the surface.
Breve descripcion de las figurasBrief description of the figures
La presente invencion se aclarara mediante la siguiente descripcion detallada de realizaciones meramente ilustrativas y, por lo tanto, no limitantes de la misma, a leer con referencia a los dibujos adjuntos, en los que:The present invention will be clarified by the following detailed description of merely illustrative and, therefore, non-limiting embodiments thereof, to be read with reference to the attached drawings, in which:
• La Figura 1 es una vista axonometrica de un envase para productos granulares de acuerdo con una primera realizacion de la invencion, en la posicion de uso;• Figure 1 is an axonometric view of a container for granular products according to a first embodiment of the invention, in the position of use;
• La Figura 2 es una vista de desarrollo del envase de la Figura 1;• Figure 2 is a development view of the container of Figure 1;
• La Figura 3 es una vista seccional, ampliada en gran medida en grosor, tomada a lo largo de la Nnea IN-IN de la Figura 2;• Figure 3 is a sectional view, greatly enlarged in thickness, taken along the IN-IN line of Figure 2;
• La Figura 4 es una vista axonometrica de un envase para productos granulares de acuerdo con una segunda realizacion de la invencion;• Figure 4 is an axonometric view of a container for granular products according to a second embodiment of the invention;
• La Figura 5 es una vista en planta del envase de la Figura 4;• Figure 5 is a plan view of the container of Figure 4;
• La Figura 6 es una vista axonometrica de un envase para productos granulares de acuerdo con una tercera realizacion de la invencion;• Figure 6 is an axonometric view of a container for granular products according to a third embodiment of the invention;
• La Figura 7 es una vista de desarrollo del envase de la Figura 6;• Figure 7 is a development view of the container of Figure 6;
• La Figura 8 es una vista axonometrica de un envase para productos granulares de acuerdo con una cuarta realizacion de la invencion;• Figure 8 is an axonometric view of a container for granular products according to a fourth embodiment of the invention;
• La Figura 9 es una vista de desarrollo del envase de la Figura 8;• Figure 9 is a development view of the container of Figure 8;
• La Figura 10 es una vista axonometrica de un envase para productos granulares de acuerdo con una quinta realizacion de la invencion;• Figure 10 is an axonometric view of a container for granular products according to a fifth embodiment of the invention;
• La Figura 11 es una vista de desarrollo del envase de la Figura 10;• Figure 11 is a development view of the container of Figure 10;
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• La Figura 12 es una vista axonometrica de un envase para productos granulares de acuerdo con una sexta realizacion de la invencion;• Figure 12 is an axonometric view of a container for granular products according to a sixth embodiment of the invention;
• La Figura 13 es una vista de desarrollo del envase de la Figura 12;• Figure 13 is a development view of the container of Figure 12;
• Las Figuras 14-17 muestran en forma de diagrama los sucesivos pasos en la formacion de un envase para productos granulares de acuerdo con la invencion.• Figures 14-17 show in diagram form the successive steps in the formation of a container for granular products according to the invention.
Realizacion preferentePreferred embodiment
Con referencia inicialmente a las Figuras 14 a 17 se describe brevemente un metodo, a considerar de por si conocido, para producir un envase del tipo de la invencion. Este envase se ha indicado en su totalidad con el numero de referencia 10 en la Figura 17, esencialmente tiene forma de paralelepipedo y tiene una pared inferior o base 11, una pared superior 12, una pared frontal 13, una pared posterior 14 y dos paredes laterales 15 y 16.With reference initially to Figures 14 to 17 a method is briefly described, to be considered per se known, to produce a package of the type of the invention. This package has been indicated in its entirety with the reference number 10 in Figure 17, essentially in the form of a parallelepiped and has a lower wall or base 11, an upper wall 12, a front wall 13, a rear wall 14 and two walls lateral 15 and 16.
Este envase se fabrica comenzando con una banda de material de lamina multicapa, cuyo lado interno es de sellado por calor, que se hace avanzar a lo largo de un mandril, dispuesto normalmente de forma vertical, y alrededor del cual se cierra mediante un precinto longitudinal S a fin de formar un tubo que, en la Figura 14, ya se muestra cortado en forma de diagrama hasta la longitud correcta para formar el envase 10.This package is manufactured starting with a band of multilayer sheet material, whose inner side is heat sealed, which is advanced along a mandrel, normally arranged vertically, and around which it is closed by a longitudinal seal S in order to form a tube which, in Figure 14, is shown cut in diagram form to the correct length to form the container 10.
Posteriormente se realiza un precinto transversal inferior ST1 (Figura 15) que cierra el tubo en la parte inferior, seguido de un fuelle F1 (Figura 16). El tubo cerrado en la parte inferior, con forma de una bolsa, como se muestra en la Figura 16, se llena con una cantidad pre- ajustada de producto granular y posteriormente se cierra en la parte superior mediante un precinto transversal adicional ST2 y un fuelle posterior F2 (Figura 17) para cerrar el envase.Subsequently, a lower transverse seal ST1 (Figure 15) is made that closes the tube at the bottom, followed by a bellows F1 (Figure 16). The tube closed at the bottom, in the form of a bag, as shown in Figure 16, is filled with a pre-set amount of granular product and subsequently closed at the top by an additional ST2 transverse seal and a bellows F2 (Figure 17) to close the container.
Antes del cierre del envase, se crea un vado dentro de la bolsa, obteniendo de este modo un paquete al vado de producto granular.Before closing the container, a ford is created inside the bag, thus obtaining a package to the granular product ford.
Con referencia ahora a las Figuras 1 a 13, se ilustraran las caracteristicas de la invencion, en las diversas realizaciones, usando por conveniencia el mismo numero de referencia ya introducidos con referencia a las Figuras 14 a 17.With reference now to Figures 1 to 13, the features of the invention will be illustrated, in the various embodiments, using for convenience the same reference number already entered with reference to Figures 14 to 17.
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Inicialmente se hace referencia a la realization de las Figuras 1 a 3, en las que las Figuras 2 y 3 muestran respectivamente una vista de desarrollo y una vista seccional de una peKcula multicapa PM usada para preparar el envase 10 mostrado en la Figura 1.Initially, reference is made to the embodiment of Figures 1 to 3, in which Figures 2 and 3 respectively show a development view and a sectional view of a multilayer PM film used to prepare the package 10 shown in Figure 1.
La pelicula PM puede comprender una pluralidad de capas acopladas entre si. La Figura 3 muestra una pelicula formada solamente por dos capas, a saber, una capa externa 17 y una capa interna 18. Lo que se quiere decir con capa interna es la capa de pelicula multicapa PM adecuada para ponerse en contacto, durante el uso, con el producto granular envasado.The PM movie may comprise a plurality of layers coupled together. Figure 3 shows a film formed only by two layers, namely an outer layer 17 and an inner layer 18. What is meant by an inner layer is the multilayer film layer PM suitable for contacting, during use, with the packed granular product.
La capa externa 17 esta hecha preferiblemente de material polimerico sustancialmente rigido, por ejemplo, nylon (bi-orientado u otro) y similares, mientras que la capa interna 18 esta hecha de material polimerico sustancialmente elastico, del tipo de sellado, por ejemplo, polietileno lineal (LLDPE), polietileno de baja densidad (LDPE), polipropileno de moldeo y similares.The outer layer 17 is preferably made of substantially rigid polymeric material, for example, nylon (bi-oriented or other) and the like, while the inner layer 18 is made of substantially elastic polymeric material, of the sealing type, for example, polyethylene linear (LLDPE), low density polyethylene (LDPE), molding polypropylene and the like.
Las dos capas de material 17, 18 de la pelicula multicapa PM estan acopladas o unidas entre si por adhesion, usando adhesivos adecuados, tales como adhesivos basados en poliuretano, adhesivos basados en poliester, los denominados adhesivos sin disolventes y similares.The two layers of material 17, 18 of the PM multilayer film are coupled or bonded together by adhesion, using suitable adhesives, such as polyurethane based adhesives, polyester based adhesives, so-called solvent-free adhesives and the like.
De acuerdo con la invention, el acoplamiento entre las capas 17, 18 no es total sobre toda su superficie, sino para dejar areas no acopladas, que se describiran con detalle mas adelante.According to the invention, the coupling between the layers 17, 18 is not total over its entire surface, but to leave uncoupled areas, which will be described in detail later.
En particular, en todas las figuras adjuntas, las areas sombreadas y con puntos indican areas de acoplamiento entre las capas de material, mientras que las areas blancas indican areas en las que no existe acoplamiento entre dichas capas.In particular, in all the attached figures, the shaded and dotted areas indicate areas of coupling between the layers of material, while the white areas indicate areas in which there is no coupling between said layers.
En particular, con referencia a la Figura 2, la pelicula multicapa PM tiene un area central PM1 sin acoplamiento y un area de borde PM2 de acoplamiento. El area central PM1 esta destinada a formar las paredes frontal 13, posterior 14 y laterales 15 y 16, es decir, esencialmente toda la superficie lateral del envase 10 con la exception del area afectada por el precinto longitudinal S y areas limitadas en las esquinas horizontales inferior y superior del envase, mientras que el area de borde PM2 esta destinada a formar la base 11In particular, with reference to Figure 2, the multilayer film PM has a central area PM1 without coupling and an edge area PM2 of coupling. The central area PM1 is intended to form the front walls 13, rear 14 and side walls 15 and 16, that is, essentially the entire lateral surface of the container 10 with the exception of the area affected by the longitudinal seal S and limited areas in the horizontal corners bottom and top of the container, while the edge area PM2 is intended to form the base 11
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y la pared superior 12 del envase, con los bordes sobresalientes relativamente plegados 111 y 121, ademas del precinto longitudinal S que se ha mencionado anteriormente.and the upper wall 12 of the container, with the relatively folded projecting edges 111 and 121, in addition to the longitudinal seal S mentioned above.
En la vista de desarrollo de la Figura 2, las lmeas continuas verticales P1-P4 y horizontales P5, P6 indican las lmeas de pliegue destinadas a formas las esquinas verticales y horizontales, respectivamente, del envase 10.In the development view of Figure 2, the vertical continuous lines P1-P4 and horizontal lines P5, P6 indicate the fold lines intended to form the vertical and horizontal corners, respectively, of the container 10.
La ausencia de acoplamiento o union entre la capa externa 17 y la capa interna 18 en el area central PM1 de la pelmula multicapa PM permite obtener ventajosamente un envase 10 cuyas paredes frontal 13, posterior 14 y laterales 15 y 16 sean al mismo tiempo rigidas y, por lo tanto, resistentes, en el lado externo, por el efecto del nylon o materiales similares, y sustancialmente elasticas y deformables en el interior, por el efecto del polietileno o similares.The absence of coupling or union between the outer layer 17 and the inner layer 18 in the central area PM1 of the multilayer film PM allows advantageously to obtain a container 10 whose front walls 13, rear 14 and side walls 15 and 16 are both rigid and , therefore, resistant, on the external side, by the effect of nylon or similar materials, and substantially elastic and deformable on the inside, by the effect of polyethylene or the like.
De hecho, ya que la capa interna 18 se desprende de la capa de nylon, ventajosamente es capaz de deformarse elasticamente a fin de adaptarse a cualquier parte afilada presente en el producto granular que llenara el envase al vado, con una ausencia resultante de perforaciones del mismo y ninguna salida o deterioro del producto granular.In fact, since the inner layer 18 is detached from the nylon layer, it is advantageously able to deform elastically in order to adapt to any sharp part present in the granular product that filled the container to the ford, with an absence resulting from perforations of the same and no leakage or deterioration of the granular product.
Ademas, la presencia del area de acoplamiento PM2 permite obtener un envase 10 provisto de una base 11 y una pared superior 12 rigidas, con ventajas obvias en terminos de estabilidad del envase en la posicion de uso y resistencia del mismo.In addition, the presence of the coupling area PM2 makes it possible to obtain a container 10 provided with a rigid base 11 and a top wall 12, with obvious advantages in terms of stability of the container in its use and resistance position.
Las Figuras 4 y 5 muestran una segunda realization de un envase para productos granulares de acuerdo con la invention, indicados de nuevo con el numero de referencia 10.Figures 4 and 5 show a second embodiment of a container for granular products according to the invention, indicated again with the reference number 10.
Dicho envase difiere del envase de las Figuras 1 y 2 porque tiene un par de areas de acoplamiento 17a y 17b formadas, respectivamente, a lo largo de las lmeas de pliegue vertical P1 y P2 que se han mencionado anteriormente de la pelmula multicapa PM, destinadas a formar las esquinas verticales del envase entre las paredes laterales 15 y 16 del mismo y la pared posterior 14.Said container differs from the container of Figures 1 and 2 because it has a pair of coupling areas 17a and 17b formed, respectively, along the vertical fold lines P1 and P2 mentioned above of the multilayer film PM, intended to form the vertical corners of the container between the side walls 15 and 16 thereof and the rear wall 14.
Una configuration de este tipo hace posible combinar las ventajas que se han enumerado anteriormente con referencia al envase de la Figura 1 con una rigidez adicional del envase de productos granulares.Such a configuration makes it possible to combine the advantages listed above with reference to the package of Figure 1 with additional stiffness of the granular product package.
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Las Figuras 6 y 7 ilustran una tercera realizacion del envase para productos granulares de acuerdo con la invencion, que difiere de la de las Figuras 4 y 5 porque tiene, ademas de los pares de areas de acoplamiento 17a y 17b, formadas a lo largo de las lmeas de pliegue P1 y P2, un par adicional de areas de acoplamiento 18a y 18b, formadas a lo largo de las lmeas de pliegue vertical P3 y P4 de la pelmula multicapa PM, destinadas a formar las esquinas verticales entre las paredes laterales 15 y 16 y la pared frontal 13 del envase.Figures 6 and 7 illustrate a third embodiment of the container for granular products according to the invention, which differs from that of Figures 4 and 5 because it has, in addition to the pairs of coupling areas 17a and 17b, formed along the fold lines P1 and P2, an additional pair of coupling areas 18a and 18b, formed along the vertical fold lines P3 and P4 of the multilayer PM film, intended to form the vertical corners between the side walls 15 and 16 and the front wall 13 of the container.
Tal configuracion hace posible combinar las ventajas enumeradas con referencia a los envases de la primera y segunda realizacion con una rigidez adicional del envase de productos granulares.Such configuration makes it possible to combine the advantages listed with reference to the containers of the first and second embodiment with an additional rigidity of the granular product package.
Las Figuras 8-9, 10-11 y 12-13 muestran, respectivamente, una cuarta, quinta y sexta realizacion de la invencion que se corresponden, respectivamente, a la primera, segunda y tercera realizacion que se han descrito con referencia a las Figuras 1-3, 4-5 y 6-7.Figures 8-9, 10-11 and 12-13 show, respectively, a fourth, fifth and sixth embodiment of the invention corresponding, respectively, to the first, second and third embodiments described with reference to the Figures 1-3, 4-5 and 6-7.
Los envases de acuerdo con estas realizaciones adicionales difieren de los envases de las realizaciones correspondientes que se han ilustrado previamente porque el area central PM1 de la pelmula multicapa PM, en vez de ser un area sin acoplamiento entre la capa externa 17 y la capa interna 18, es un area de acoplamiento puntiforme, es decir, un area en la que las capas 17 y 18 estan acopladas entre si por puntos.The packages according to these additional embodiments differ from the packages of the corresponding embodiments that have been previously illustrated because the central area PM1 of the multilayer film PM, instead of being an area without coupling between the outer layer 17 and the inner layer 18 , is an area of point coupling, that is, an area in which layers 17 and 18 are coupled together by points.
Tal configuracion permite un mejor acoplamiento entre las capas 17 y 18, permitiendo al mismo tiempo que la capa interna 18 se deforme elasticamente a fin de adaptarse a cualquier parte afilada presente en el producto granular que llenara el envase al vado, con una ausencia resultante de perforaciones del mismo y sin salida o deterioro del producto granular.Such a configuration allows a better coupling between layers 17 and 18, while allowing the inner layer 18 to be elastically deformed in order to adapt to any sharp part present in the granular product that will fill the container to the ford, with an absence resulting from perforations thereof and without leakage or deterioration of the granular product.
Por supuesto, la invencion no esta limitada a las realizaciones particulares que se han descrito previamente y que se ilustran en los dibujos adjuntos, pero es posible realizar en la misma numerosas modificaciones de detalles que estan al alcance del especialista en la tecnica, sin alejarse de este modo del alcance de la invencion como se expone en las reivindicaciones adjuntas.Of course, the invention is not limited to the particular embodiments that have been previously described and which are illustrated in the attached drawings, but it is possible to make numerous modifications therein which are within the scope of the person skilled in the art, without departing from this mode of the scope of the invention as set forth in the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730091U ES1176663Y (en) | 2017-02-01 | 2017-02-01 | Container for granular products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730091U ES1176663Y (en) | 2017-02-01 | 2017-02-01 | Container for granular products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1176663U true ES1176663U (en) | 2017-02-17 |
| ES1176663Y ES1176663Y (en) | 2017-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201730091U Expired - Fee Related ES1176663Y (en) | 2017-02-01 | 2017-02-01 | Container for granular products |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES1176663Y (en) |
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2017
- 2017-02-01 ES ES201730091U patent/ES1176663Y/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| ES1176663Y (en) | 2017-05-09 |
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