ES2621079T3 - Packaging method and associated packaging - Google Patents

Packaging method and associated packaging Download PDF

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Publication number
ES2621079T3
ES2621079T3 ES15151994.9T ES15151994T ES2621079T3 ES 2621079 T3 ES2621079 T3 ES 2621079T3 ES 15151994 T ES15151994 T ES 15151994T ES 2621079 T3 ES2621079 T3 ES 2621079T3
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Prior art keywords
frame
tray
seal
packaging
intended
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ES15151994.9T
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Spanish (es)
Inventor
Hassane Outzinout
Rémy Brancon
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Knauf Industries Gestion SAS
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Knauf Industries Gestion SAS
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00Closing containers or receptacles after filling
    • B65B7/16Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842Securing closures on containers
    • B65B7/2878Securing closures on containers by heat-sealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10Container closures formed after filling
    • B65D77/20Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2052Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the container being weakened

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)

Abstract

Método de envasado de un producto alimentario en un envase que comprende una bandeja (1) susceptible de ser cerrada de manera hermética por al menos un elemento (2) de cierre en forma de un marco (21) desmontable y un precinto (22) superpuesto termosellado, estando realizada la conexión entre el precinto y el marco anteriormente al rellenado de la bandeja (1) con el producto, caracterizado porque se dispone, en el borde (11) de la bandeja (1), un espacio (11b) periférico destinado a recibir el marco de forma nivelada después se fija sobre el marco (21) un precinto (22) cuyas dimensiones son superiores a las del marco de forma que se dispone sobre su contorno exterior una franja (22a) libre, se monta el marco en el interior de la bandeja (1) después se cierra la bandeja (1) efectuando el termosellado en el plano de la franja (22a) del precinto sobre el borde (11) superior de la bandeja.Method of packaging a food product in a package comprising a tray (1) that can be sealed tightly by at least one closing element (2) in the form of a removable frame (21) and an overlapping seal (22) heat sealing, the connection being made between the seal and the frame prior to filling the tray (1) with the product, characterized in that a peripheral space (11b) is provided on the edge (11) of the tray (1) to receive the frame in a level manner then a seal (22) is fixed on the frame (21) whose dimensions are greater than those of the frame so that a free strip (22a) is arranged on its outer contour, the frame is mounted on the inside of the tray (1) then the tray (1) is closed by heat sealing in the plane of the strip (22a) of the seal on the upper edge (11) of the tray.

Description

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DESCRIPCIONDESCRIPTION

Metodo de envasado y envase asociadoPackaging method and associated packaging

La presente invencion se refiere a un metodo de envasado de un producto alimentario y aun en base espedfico para dicho envasado.The present invention relates to a method of packaging a food product and even on a specific basis for said packaging.

La presente invencion se refiere, en particular, a un metodo de fabricacion de un envase y, mas particularmente, a una disposicion de un medio de cierre de una bandeja destinada al envasado de un producto alimentario.The present invention relates, in particular, to a method of manufacturing a package and, more particularly, to an arrangement of a means for closing a tray for packaging a food product.

Dicho tal base encuentra su aplicacion, en particular, en la industria agroalimentaria para el envasado de productos frescos tales como quesos, carnes, pescados, o... otros productos alimentarios y, en particular, aquellos que son susceptibles de ser envasados en atmosfera protectora.Said such base finds its application, in particular, in the agri-food industry for the packaging of fresh products such as cheeses, meats, fish, or ... other food products and, in particular, those that are likely to be packaged in a protective atmosphere. .

Existen numerosos envases de material plastico que comprenden una bandeja cerrada mediante una tapa desmontable. En ciertos envases, la bandeja es cerrada mediante una pelfcula de precintado separable, sellada en su borde superior.There are numerous plastic containers that comprise a tray closed by a removable lid. In certain containers, the tray is closed by a separable sealing film, sealed at its upper edge.

En este ultimo caso, despues de la eliminacion de la pelfcula, el recipiente permanece abierto y no puede ser vuelto a cerrar nunca mas por el consumidor a menos que se coloque una tapa complementaria sobre la pelfcula de precintado. Sin embargo, la presencia de un precinto y de una tapa complementaria aumenta el coste y el peso del envase.In the latter case, after the removal of the film, the container remains open and can never be closed again by the consumer unless a complementary lid is placed on the sealing film. However, the presence of a seal and a complementary lid increases the cost and weight of the container.

Un envase como este es descrito, por ejemplo, en el documento FR 2 827 841 A1 que comprende una bandeja susceptible de ser cerrada de manera hermetica por al menos un elemento de cierre en forma de un marco desmontable y de un precinto superpuesto termosellado, en conexion entre el precinto y el marco que son fabricados previamente al rellenado del recipiente con el producto.A package like this is described, for example, in document FR 2 827 841 A1 which comprises a tray that can be closed tightly by at least one closing element in the form of a removable frame and a heat-sealed superimposed seal, in connection between the seal and the frame that are manufactured before filling the container with the product.

Un metodo de envasado alternativo es descrito, por ejemplo, en el documento US 4 079 567. El envasado es efectuado por medio de un envase que comprende una bandeja o recipiente inferior susceptible de ser cerrada de manera hermetica por al menos un elemento de cierre separable en forma de un marco de un precinto superpuesto.An alternative packaging method is described, for example, in US 4 079 567. The packaging is carried out by means of a package comprising a tray or lower container capable of being sealed tightly by at least one separable closure element in the form of a frame of an overlapping seal.

Segun el metodo descrito, la bandeja y el marco son fabricados de forma separada por moldeo y despues de retirar el producto de la bandeja, el marco es montado en el borde superior de la bandeja de tal manera que la cara superior del marco y la cara superior de la bandeja son coplanarios. Un precinto es a continuacion sellado a la vez sobre la cara superior del marco y sobre la cara superior del recipiente lo cual tiene por resultado cerrar el envase de manera hermetica fijando la bandeja y la tapa. La apertura de este envase puede ser efectuada a continuacion por la separacion (o el simple pivotamiento) del marco correspondiente asf como la retirada del precinto de la cara superior del recipiente que conserva sin embargo una union con el marco.According to the described method, the tray and the frame are manufactured separately by molding and after removing the product from the tray, the frame is mounted on the upper edge of the tray such that the upper face of the frame and the face Top of the tray are coplanar. A seal is then sealed at the same time on the upper face of the frame and on the upper face of the container, which results in sealing the container tightly by fixing the tray and the lid. The opening of this container can then be carried out by the separation (or simple pivoting) of the corresponding frame as well as the removal of the seal from the upper face of the container, which nevertheless retains a union with the frame.

Otro metodo de envasado es descrito en el documento WO 2012/087114. Este envasado es efectuado por medio de un envase que comprende un recipiente de material plastico y un marco anular de cierre del mismo modo de material plastico. El recipiente y el marco estan fabricadas por co-moldeo en forma de una sola pieza, estando el contorno del marco conectado a una nervadura periferica del recipiente mediante una banda de conexion rompible. Para proceder al envasado de un producto, se desplaza en primer lugar tirando del marco con respecto a la bandeja de forma que se rompe la banda plastica de conexion. Despues de retirar el producto del recipiente, se efectua el cierre por encaje del marco sobre la nervadura del recipiente despues (o de forma conjunta, se realiza la estanquidad del envasado sellando un precinto a la vez sobre el marco y sobre el reborde de la bandeja. La apertura posterior del envase se efectuara forzando la separacion de la tapa. De nuevo el marco y el recipiente son entonces conectados, despues de su fabricacion, mediante una banda de conexion destinada a ser rota posteriormente hundiendo el marco, antes de colocar el precinto.Another method of packaging is described in WO 2012/087114. This packaging is carried out by means of a package comprising a container of plastic material and an annular closing frame in the same way of plastic material. The container and the frame are made by co-molding in the form of a single piece, the outline of the frame being connected to a peripheral rib of the container by means of a breakable connection band. To proceed with the packaging of a product, it is first moved by pulling the frame with respect to the tray so that the plastic connection band is broken. After removing the product from the container, the frame is closed by fitting the frame on the rib of the container afterwards (or together, the packing is sealed by sealing one seal at a time on the frame and on the tray flange The subsequent opening of the container will be done by forcing the separation of the lid, again the frame and the container are then connected, after its manufacture, by means of a connection band destined to be subsequently broken by sinking the frame, before placing the seal .

En los dos modos de envasado contemplados a continuacion, el envasador (el industrial agroalimentario) se debe preocupar del aprovisionamiento, de la alimentacion, de la colocacion y de la fijacion de una pelfcula de precinto cuyas dimensiones deben ser ajustadas in situ a las del recipiente en la cual esta ya dispuesto el producto.In the two packaging modes contemplated below, the packer (the agri-food industrialist) should be concerned with the provisioning, feeding, placement and fixing of a seal film whose dimensions must be adjusted in situ to those of the container in which the product is already arranged.

Esta operacion es laboriosa ya que implica integrar, en una cadena de envasado, un puesto de precintado que comprende, en particular, un rodillo de distribucion de una pelfcula flexible, organos de corte de esta pelfcula y organos que aseguren el termosellado sobre la bandeja.This operation is laborious since it involves integrating, in a packaging chain, a sealing position comprising, in particular, a distribution roller of a flexible film, cutting bodies of this film and organs that ensure heat sealing on the tray.

La presencia de estos elementos extranos en la cadena de envasado alimentario o mas alla del puesto de rellenado de las bandejas es, ademas, susceptible de debilitar la seguridad sanitaria. En consecuencia, puede ser necesario, en funcion de las normas en vigor para los productos alimentarios en cuestion, imponer en este puesto restricciones suplementarias de control de la contaminacion qmmica o bacteriologica.The presence of these extraneous elements in the food packaging chain or beyond the filling station of the trays is also capable of weakening health security. Consequently, it may be necessary, depending on the regulations in force for the food products in question, to impose additional restrictions on the control of chemical or bacteriological contamination in this position.

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La presente invencion tiene por objetivo resolver los problemas tecnicos de manera satisfactoria y eficaz proponiendo un metodo de envasado perfeccionado que ofrece una gran flexibilidad en su aplicacion as^ como un envase economico, resistente mecanicamente y ligero.The present invention aims to solve technical problems in a satisfactory and effective manner by proposing an improved packaging method that offers great flexibility in its application as well as an economical, mechanically resistant and lightweight packaging.

Este objetivo se consigue segun la invencion por medio de un metodo de envasado caracterizado porque se dispone, en el borde de la bandeja, un espacio periferico destinado a recibir el marco de manera nivelada despues de que se fije sobre el marco un precinto cuyas dimensiones son mayores a las del marco de forma que se dispone sobre su contorno exterior una franja libre, se monta el marco en el interior de la bandeja y despues se cierra la bandeja efectuando el termosellado en el plano de la franja del precinto sobre el borde superior de la bandeja.This objective is achieved according to the invention by means of a packaging method characterized in that, at the edge of the tray, a peripheral space is disposed to receive the frame in a level manner after a seal whose dimensions are are fixed on the frame greater than those of the frame so that a free strip is arranged on its outer contour, the frame is mounted inside the tray and then the tray is closed by heat sealing in the plane of the strip of the seal on the upper edge of the tray.

Segun una caractenstica ventajosa, la conexion entre el precinto y el marco presenta una resistencia mecanica a la traccion superior a la de la conexion termosellada del precinto sobre el borde superior de la bandeja.According to an advantageous feature, the connection between the seal and the frame has a mechanical tensile strength superior to that of the heat seal connection of the seal on the upper edge of the tray.

Segun una caractenstica ventajosa, se realiza la conexion entre el precinto y el marco mediante sobremoldeo del marco sobre el precinto.According to an advantageous feature, the connection between the seal and the frame is made by overmolding the frame over the seal.

Segun una variante, se realiza un marco con un espaldon transversal que permite su agarre.According to a variant, a frame is made with a transverse shoulder that allows its grip.

Segun otra variante, se realiza el marco con un faldon periferico.According to another variant, the frame is made with a peripheral skirt.

Con preferencia, se realiza el borde superior de la bandeja con una corona periferica rompible destinada al termosellado de la franja del precinto.Preferably, the upper edge of the tray is made with a breakable peripheral crown intended for heat sealing of the strip of the seal.

Segun otra variante mas, se realizara, sobre el faldon periferico del marco, una junta interior destinada al enganche con un organo complementario portado por dicha bandeja.According to another variant, it will be carried out, on the peripheral skirt of the frame, an inner joint destined to the hook with a complementary organ carried by said tray.

Segun una caractenstica, se realizara la bandeja y el marco de forma separada por Moldeo por inyeccion de material plastico y el precinto por extrusion de una pelfcula flexible.According to one feature, the tray and frame will be made separately by injection molding of plastic material and the seal by extrusion of a flexible film.

Otro objeto de la invencion es un embalaje adaptado mas particularmente al embalado de productos alimentarios y que comprende, de forma tradicional, una bandeja susceptible de ser cerrada de manera hermetica por al menos un elemento de cierre en forma de un marco desmontable cuyo borde superior porta un precinto superpuesto y termosellado, caracterizado porque, por un lado, el borde de la bandeja presenta un espacio periferico destinado a recibir el marco de forma nivelada y dicho marco dispone de un faldon periferico destinado a ser acoplado en el interior de la bandeja y, por otro lado, dicho precinto presenta dimensiones superiores a las del marco determinado, sobre su contorno exterior, una franja destinada a ser termosellada sobre el borde superior de dicha bandeja.Another object of the invention is a packaging adapted more particularly to the packaging of food products and comprising, in a traditional way, a tray capable of being sealed in a closed manner by at least one closing element in the form of a removable frame whose upper edge carries a superimposed and heat-sealed seal, characterized in that, on the one hand, the edge of the tray has a peripheral space intended to receive the frame in a level manner and said frame has a peripheral skirt intended to be coupled inside the tray and, on the other hand, said seal has dimensions greater than those of the determined frame, on its outer contour, a strip intended to be heat sealed on the upper edge of said tray.

Segun una caractenstica ventajosa de este envase, el borde superior de la bandeja esta provisto de una corona periferica rompible destinada al termosellado de la franja del precinto.According to an advantageous feature of this package, the upper edge of the tray is provided with a breakable peripheral crown intended for heat sealing the seal strip.

el metodo de la invencion permite ofrecer a los industriales de la industria agroalimentaria una simplificacion de la cadena de envasado y proponer los un envase ergonomico, ligero y hermetico de productos alimentarios, y en particular, de productos frescos todo ello garantizando una buena conservacion.The method of the invention makes it possible to offer industrialists in the agri-food industry a simplification of the packaging chain and propose them an ergonomic, light and airtight container of food products, and in particular, fresh products all guaranteeing a good preservation.

Este envase ofrece, ademas, al consumidor la posibilidad de abrir la bandeja y separar el precinto de manera facil gracias al agarre del marco conservando la posibilidad de volverlo a cerrar de forma estanca para una conservacion del producto.This package also offers the consumer the possibility of opening the tray and separating the seal easily thanks to the grip of the frame while retaining the possibility of re-closing it tightly for product preservation.

La invencion se comprendera mejor a partir de la lectura de la descripcion a continuacion, acompanada de los dibujos en los cuales;The invention will be better understood from reading the description below, accompanied by the drawings in which;

La figura 1 representa una vista en perspectiva de un modo de realizacion del envase de bandeja y tapa con precinto.Figure 1 represents a perspective view of an embodiment of the tray and lid container with seal.

Las figuras 2A, 2B, 2C y 2D representan vistas parciales en seccion vertical de un modo de realizacion del envase de la invencion durante diferentes fases del metodo de envasado.Figures 2A, 2B, 2C and 2D represent partial views in vertical section of an embodiment of the package of the invention during different phases of the packaging method.

La figura 3 representa una vista parcial en seccion vertical de otro modo de realizacion del envase que no forma parte de la invencion.Figure 3 represents a partial view in vertical section of another embodiment of the package that is not part of the invention.

La figura 1 representa un envase tradicional que comprende una bandeja 1 destinada a contener el producto envasado (no representado) y una tapa 2 constituida, en este documento, de un marco 21 y de un precinto 22 superpuesto. La bandeja 1 y el marco 21 son realizados de forma separada por moldeo de un material plastico. El precinto 22 es generalmente formado de una pelfcula flexible transparente o traslucida fabricada por extrusion, corte y ajuste a las dimensiones del marco 21. El montaje hermetico de la tapa 2 sobre la bandeja 1 es obtenido, por ejemplo, por enganche del marco 21 sobre el reborde 11 de la bandeja 1.Figure 1 represents a traditional package comprising a tray 1 intended to contain the packaged product (not shown) and a cover 2 constituted, in this document, of a frame 21 and an overlapping seal 22. Tray 1 and frame 21 are made separately by molding a plastic material. The seal 22 is generally formed of a transparent or translucent flexible film made by extrusion, cutting and adjustment to the dimensions of the frame 21. The tight assembly of the lid 2 on the tray 1 is obtained, for example, by hooking the frame 21 on the flange 11 of the tray 1.

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Segun una variante, esta conexion se obtiene por sobremoldeo del marco sobre el precinto de forma que se realiza una tapa.According to a variant, this connection is obtained by overmolding the frame on the seal so that a cover is made.

Esta operacion de sobremoldeo es efectuada paralelamente al Moldeo de la bandeja y previamente al rellenado de la bandeja con el producto. En la variante representada, el precinto 22 se extiende despues del sobremoldeo del marco 21, sobre la cara superior de la tapa 2. Segun variantes del metodo (no representadas en este documento), el marco es sobremoldeado encerrando al precinto o bien extendiendose sobre la cara superior del precinto. Tambien, segun el modo de realizacion ilustrado por la figura 2A, el precinto 22 tiene, segun la invencion, dimensiones superiores a las del marco 21 de forma que se dispone sobre su contorno exterior una franja 22a libre. El marco 21 esta realizado en este documento con un faldon 21a periferico y un espaldon 21b horizontal.This overmolding operation is carried out in parallel to the Molding of the tray and prior to filling the tray with the product. In the variant shown, the seal 22 extends after the overmoulding of the frame 21, on the upper face of the cover 2. According to variations of the method (not shown in this document), the frame is overmolded by enclosing the seal or extending over the upper face of the seal. Also, according to the embodiment illustrated by Figure 2A, the seal 22 has, according to the invention, dimensions greater than those of the frame 21 so that a free strip 22a is arranged on its outer contour. The frame 21 is made in this document with a peripheral skirt 21a and a horizontal shoulder 21b.

En paralelo, tal y como se ilustra en la figura 2B, se realiza el borde 11 superior de la bandeja 1 con una corona 11a periferica rompibles situada en el exterior y destinada al termosellado de la franja 22a del precinto 22. El borde 11 superior de la bandeja comprende tambien un espacio 11b periferico situado aqrn sobre el lado interior. Despues del envasado del producto en la bandeja 1 se monta el marco 21 en el interior de la bandeja, como se ilustra en la figura 2C de tal manera que el espacio 11b recibe, de forma nivelada, el espaldon 21b del marco 21. Este montaje se efectua aqrn de tal manera que el precinto 22 este dispuesto por encima del borde 11 superior de la bandeja. Esta disposicion tiene por objetivo permitir el termosellado en el plano del contorno exterior del precinto 22 sobre el borde 11 superior de la bandeja 1 y, en particular, la conexion de la franja 22a sobre la corona 11a. La conexion entre el precinto 22 y el marco 21 presenta una resistencia mecanica a la traccion superior a la de la conexion termosellada del precinto sobre el borde de la bandeja. Cuando se abre el envase, tal y como se ilustra en la figura 2D, la traccion manual hacia arriba por el consumidor sobre la corona 11a, provoca en primer lugar la rotura de su conexion con el borde 11 superior de la bandeja, continuando la traccion, el desprendimiento del precinto 22 a partir del borde 11.In parallel, as illustrated in Figure 2B, the upper edge 11 of the tray 1 is made with a breakable peripheral crown 11a located on the outside and intended for the heat sealing of the strip 22a of the seal 22. The upper edge 11 of The tray also comprises a peripheral space 11b located here on the inner side. After packaging of the product in tray 1, frame 21 is mounted inside the tray, as illustrated in Figure 2C so that space 11b receives, levelly, the shoulder 21b of frame 21. This assembly it is carried out in such a way that the seal 22 is arranged above the upper edge 11 of the tray. This arrangement is intended to allow heat sealing in the plane of the outer contour of the seal 22 on the upper edge 11 of the tray 1 and, in particular, the connection of the strip 22a on the crown 11a. The connection between the seal 22 and the frame 21 has a mechanical tensile strength superior to that of the heat seal connection of the seal on the edge of the tray. When the container is opened, as illustrated in Figure 2D, the manual pulling upwards by the consumer on the crown 11a, first causes the rupture of its connection with the upper edge 11 of the tray, continuing the traction , the detachment of the seal 22 from the edge 11.

En el transcurso de esta operacion de desprendimiento del precinto, el marco 21 y el precinto 22 que permanecen juntos debido a su conexion periferica, obtenida por sobremoldeo, presentan una fuerte resistencia mecanica a la traccion.In the course of this operation of detachment of the seal, the frame 21 and the seal 22 that remain together due to their peripheral connection, obtained by overmolding, have a strong mechanical resistance to traction.

Por tanto, a continuacion, el consumidor puede siempre volver a cerrar la bandeja con el tapa 2 de manera estanca enganchando el marco 21 sobre el borde 11 superior.Therefore, then, the consumer can always close the tray with the lid 2 tightly by engaging the frame 21 on the upper edge 11.

En el modo de realizacion de la figura 3, el cual no forma parte de la invencion, el marco 21 que dispone del precinto 22 es montado en el exterior de la bandeja 1. A tal fin, el espaldon 21b horizontal del marco 21 es liberado de forma que se extiende hacia el interior de la bandeja 1 y de forma siempre nivelada en el espacio 11b del borde 11, en posicion de cierre del envase. Despues del envasado del producto, se efectua el termosellado del contorno 22b interior del recinto 22 sobre el borde 11 superior de la bandeja 1.In the embodiment of Figure 3, which is not part of the invention, the frame 21 that has the seal 22 is mounted on the outside of the tray 1. To this end, the horizontal shoulder 21b of the frame 21 is released so that it extends into the tray 1 and always level in the space 11b of the edge 11, in the closed position of the container. After product packaging, heat sealing of the inner contour 22b of the enclosure 22 is carried out on the upper edge 11 of the tray 1.

Preferiblemente, el faldon 21a periferico del marco dispone de una junta 21c interior destinada al enganche sobre un organo complementario dispuesto en el borde superior exterior de la bandeja 1.Preferably, the peripheral skirt 21a has an inner gasket 21c intended to engage on a complementary organ arranged on the upper outer edge of the tray 1.

En la variante representada en la figura 3, este organo complementario de enganche esta constituido por el extremo 11c inferior del borde 11 exterior.In the variant shown in FIG. 3, this complementary coupling organ is constituted by the lower end 11c of the outer edge 11.

Claims (10)

55 1010 15fifteen 20twenty 2525 3030 3535 ReivindicacionesClaims 1. Metodo de envasado de un producto alimentario en un envase que comprende una bandeja (1) susceptible de ser cerrada de manera hermetica por al menos un elemento (2) de cierre en forma de un marco (21) desmontable y un precinto (22) superpuesto termosellado, estando realizada la conexion entre el precinto y el marco anteriormente al rellenado de la bandeja (1) con el producto, caracterizado porque se dispone, en el borde (11) de la bandeja (1), un espacio (11b) periferico destinado a recibir el marco de forma nivelada despues se fija sobre el marco (21) un precinto (22) cuyas dimensiones son superiores a las del marco de forma que se dispone sobre su contorno exterior una franja (22a) libre, se monta el marco en el interior de la bandeja (1) despues se cierra la bandeja (1) efectuando el termosellado en el plano de la franja (22a) del precinto sobre el borde (11) superior de la bandeja.1. Method of packaging a food product in a package comprising a tray (1) that can be sealed tightly by at least one closing element (2) in the form of a removable frame (21) and a seal (22 ) heat-sealed overlay, the connection being made between the seal and the frame before filling the tray (1) with the product, characterized in that a space (11b) is provided on the edge (11) of the tray (1). peripheral intended to receive the frame levelly after a seal (22) is fixed on the frame (21) whose dimensions are greater than those of the frame so that a free strip (22a) is arranged on its outer contour, the frame inside the tray (1) then the tray (1) is closed by heat sealing in the plane of the strip (22a) of the seal on the upper edge (11) of the tray. 2. El metodo segun la reivindicacion 1, caracterizado porque la conexion entre el precinto (22) y el marco (21) presenta una resistencia mecanica a la traccion superior a la de la conexion termosellada del precinto sobre el borde (11) de la bandeja.2. The method according to claim 1, characterized in that the connection between the seal (22) and the frame (21) has a mechanical tensile strength superior to that of the heat-sealed connection of the seal on the edge (11) of the tray . 3. Metodo segun la reivindicacion 2, caracterizado porque se realiza la conexion entre el precinto (22) y el marco (21) por sobremoldeo del marco sobre el precinto.3. Method according to claim 2, characterized in that the connection is made between the seal (22) and the frame (21) by overmolding the frame on the seal. 4. Metodo segun cualquiera de las reivindicaciones anteriores, caracterizado porque se fabrica el marco (21) con un espaldon (21b) transversal que permite su agarre.4. Method according to any of the preceding claims, characterized in that the frame (21) is manufactured with a transverse shoulder (21b) that allows its grip. 5. Metodo segun cualquiera de las reivindicaciones anteriores, caracterizado porque se fabrica el marco (21) con un faldon (21a) periferico.5. Method according to any of the preceding claims, characterized in that the frame (21) is manufactured with a peripheral skirt (21a). 6. Metodo segun cualquiera de las reivindicaciones anteriores, caracterizado porque se fabrica el borde (11) superior de la bandeja con una corona (11a) periferica rompible destinada al termosellado de la franja (22a) del precinto (22).Method according to any of the preceding claims, characterized in that the upper edge (11) of the tray is manufactured with a breakable peripheral crown (11a) destined for the heat sealing of the strip (22a) of the seal (22). 7. Metodo segun las reivindicaciones 5 y 6, caracterizado porque se fabrica, sobre el faldon (21a) periferico del marco (21), una junta (21c) interior destinada al enganche con un organo (11c) complementario dispuesto en dicha bandeja (1).7. Method according to claims 5 and 6, characterized in that, on the peripheral skirt (21a) of the frame (21), an inner seal (21c) intended for engagement with a complementary organ (11c) arranged in said tray (1) is manufactured ). 8. Metodo segun cualquiera de las reivindicaciones anteriores, caracterizado porque se fabrica la bandeja (1) y el marco (21) de forma separada por moldeo por inyeccion de un material plastico y el precinto (22) por extrusion de una pelfcula flexible.Method according to any of the preceding claims, characterized in that the tray (1) and the frame (21) are manufactured separately by injection molding of a plastic material and the seal (22) by extrusion of a flexible film. 9. Envase para el envasado de productos alimentarios que comprende una bandeja (1) susceptible de ser cerrada de manera hermetica por al menos un elemento (2) de cierre en forma de un marco (21) desmontable cuyo borde superior dispone de un precinto (22) superpuesto y termosellado, caracterizado porque, por un lado, el borde (11) de la bandeja (1) presenta un espacio (11b) periferico destinado a recibir el marco de forma nivelada y dicho marco dispone de un faldon (21a) periferico destinado a ser acoplado en el interior de la bandeja (1) y, por otro lado, dicho precinto (22) presenta dimensiones superiores a las del marco (21) disponiendo, sobre su contorno exterior, de una franja (22a) destinada a ser termosellada sobre el borde (11) superior de dicha bandeja.9. Container for the packaging of food products comprising a tray (1) that can be closed tightly by at least one closing element (2) in the form of a removable frame (21) whose upper edge has a seal ( 22) superimposed and heat sealed, characterized in that, on the one hand, the edge (11) of the tray (1) has a peripheral space (11b) intended to receive the frame levelly and said frame has a peripheral skirt (21a) intended to be attached inside the tray (1) and, on the other hand, said seal (22) has dimensions greater than those of the frame (21) having, on its outer contour, a strip (22a) intended to be heat sealed on the upper edge (11) of said tray. 10. Envase segun la reivindicacion anterior, caracterizado porque el borde (11) superior de la bandeja (1) esta provisto de una corona (11a) periferica rompible destinada al termosellado de la franja (22a) del precinto (22).10. Packaging according to the preceding claim, characterized in that the upper edge (11) of the tray (1) is provided with a breakable peripheral crown (11a) intended for heat sealing the strip (22a) of the seal (22).
ES15151994.9T 2014-01-22 2015-01-21 Packaging method and associated packaging Active ES2621079T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450521A FR3016610B1 (en) 2014-01-22 2014-01-22 CONDITIONING METHOD AND PACKAGING THEREFOR
FR1450521 2014-01-22

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EP (1) EP2899130B1 (en)
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FR (1) FR3016610B1 (en)
HU (1) HUE032498T2 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397814A (en) * 1966-12-06 1968-08-20 Johnson & Johnson Composite lid
US4000816A (en) * 1976-03-04 1977-01-04 Scott Paper Company Moisture impervious packaging systems
EP1127809A3 (en) * 2000-02-24 2002-03-13 Alcan Technology & Management AG Package with tearing lid
FR2827841B1 (en) * 2001-07-27 2003-12-26 Europlastiques Sa LID FOR CLOSING THE CONTAINER OF A PACKAGE AS WELL AS A PACKAGE INCORPORATING SUCH A LID
FR2886628A1 (en) * 2005-06-06 2006-12-08 Internat Plastic Ind Sa Meal tray for use by passenger of e.g. aircraft, has lid, fixed on container by lock mechanism, comprising upper wall connected to side wall in separable manner, and upper wall comprising slipsheet tab projected above side wall
NZ569344A (en) * 2005-12-22 2010-09-30 Superfos As A packaging with lid sealable to container and a method of sealing the packaging
NZ608662A (en) * 2010-09-30 2015-04-24 Superfos As Plastic lid with integrally connected film and container comprising said lid
NL1038469C2 (en) 2010-12-22 2012-06-25 Naber Beheer B V METHOD FOR MANUFACTURING A PACKAGING

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EP2899130B1 (en) 2016-12-28
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FR3016610A1 (en) 2015-07-24
EP2899130A1 (en) 2015-07-29
HUE032498T2 (en) 2017-09-28

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