ES2552741B1 - TRAY FOR PRODUCT TRANSPORTATION - Google Patents

TRAY FOR PRODUCT TRANSPORTATION Download PDF

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Publication number
ES2552741B1
ES2552741B1 ES201430820A ES201430820A ES2552741B1 ES 2552741 B1 ES2552741 B1 ES 2552741B1 ES 201430820 A ES201430820 A ES 201430820A ES 201430820 A ES201430820 A ES 201430820A ES 2552741 B1 ES2552741 B1 ES 2552741B1
Authority
ES
Spain
Prior art keywords
tray
tester
transporting products
products according
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
ES201430820A
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Spanish (es)
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ES2552741A1 (en
Inventor
Maria Fatima MARCH VILA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Munoz Gonzalez Jose Andres
Original Assignee
Munoz Gonzalez Jose Andres
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Munoz Gonzalez Jose Andres filed Critical Munoz Gonzalez Jose Andres
Priority to ES201430820A priority Critical patent/ES2552741B1/en
Publication of ES2552741A1 publication Critical patent/ES2552741A1/en
Application granted granted Critical
Publication of ES2552741B1 publication Critical patent/ES2552741B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling, e.g. of multilayer packaging

Abstract

La bandeja para el transporte de productos está formada a partir de una lámina (1) que define un fondo (2), y un par de laterales (3) y un par de testeros (4) que definen cuatro esquinas, comprendiendo una pluralidad de salientes y orificios complementarios entre sí, y se caracteriza porque cada esquina comprende al menos un saliente superior (5) situado en el testero y un saliente superior (6) situado en un lateral, extendiéndose dichos salientes superiores (5, 6) desde la parte interior de dicho testero (4) y de dicho lateral (3).#Permite un perfecto apilado de las bandejas entre sí, no moviéndose una respecto a las otras durante su transporte.The tray for transporting products is formed from a sheet (1) that defines a bottom (2), and a pair of sides (3) and a pair of pockets (4) that define four corners, comprising a plurality of projections and holes complementary to each other, and characterized in that each corner comprises at least one upper projection (5) located in the head and an upper projection (6) located on one side, said upper projections extending (5, 6) from the part inside said tester (4) and said side (3). # It allows a perfect stacking of the trays with each other, not moving with respect to each other during transport.

Description

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DESCRIPCIONDESCRIPTION

Bandeja para el transporte de productos.Tray for transporting products.

La presente invencion se refiere a una bandeja para el transporte de productos, en particular, que permite el apilamiento de varias bandejas unas sobre las otras para su transporte, y que esta formada a partir de una lamina de carton.The present invention relates to a tray for transporting products, in particular, which allows the stacking of several trays on each other for transport, and which is formed from a cardboard sheet.

Antecedentes de la invencionBackground of the invention

Es habitual el uso de bandejas de carton o materiales similares para el transporte de productos, tales como frutas. Este tipo de bandejas presentan la ventaja de que su coste es reducido y son de un material reciclable.It is common to use cardboard trays or similar materials to transport products, such as fruits. These types of trays have the advantage that their cost is reduced and they are made of a recyclable material.

Usualmente, este tipo de bandejas estan formadas a partir de una lamina provista de una pluralidad de llneas de plegado que definen un fondo, un par de laterales y un par de testeros.Usually, these types of trays are formed from a sheet provided with a plurality of folding lines that define a bottom, a pair of sides and a pair of bows.

Para permitir su apilado para su transporte, estas bandejas comprenden una pluralidad de salientes superiores que se alojan en unos orificios inferiores complementarios. Sin embargo, es habitual que, a pesar de dichos salientes y orificios, dicho apilado sea inestable, no permitiendo el apilado de un gran numero de bandejas.To allow stacking for transport, these trays comprise a plurality of upper projections that are housed in complementary lower holes. However, it is usual that, despite said projections and holes, said stack is unstable, not allowing the stack of a large number of trays.

Ademas, para permitir una gran resistencia a la compresion es usual que el espesor de la lamina que forma la bandeja sea elevado, lo que perjudica al volumen interior de productos que puede alojar la bandeja.In addition, to allow high compression resistance, it is usual for the thickness of the sheet forming the tray to be high, which impairs the internal volume of products that the tray can accommodate.

Este problema del volumen interior de la bandeja se multiplica teniendo en cuenta el apilado de las bandejas y su transporte sobre plataformas de carga, lo cual encarece el transporte de los productos.This problem of the internal volume of the tray is multiplied taking into account the stacking of the trays and their transport on loading platforms, which makes the transport of the products more expensive.

Por lo tanto, es un objetivo de la bandeja de acuerdo con la presente invencion permitir un apilado estable de las bandejas, de manera que no se mueva una respecto a la otra durante su transporte.Therefore, it is an objective of the tray according to the present invention to allow stable stacking of the trays, so that it does not move relative to each other during transport.

Otro objetivo de la bandeja de acuerdo con la presente invencion es maximizar el volumen disponible en el interior de la bandeja, en comparacion con las bandejas de transporte de productos convencionales del mismo tamano.Another objective of the tray according to the present invention is to maximize the volume available inside the tray, as compared to conventional product transport trays of the same size.

Descripcion de la invencionDescription of the invention

Con la bandeja para el transporte de productos de la invencion se consiguen resolver los inconvenientes citados, presentando otras ventajas que se describiran a continuacion.With the tray for transporting products of the invention, the aforementioned problems are resolved, presenting other advantages that will be described below.

La bandeja para el transporte de productos de acuerdo con la presente invencion esta formada a partir de una lamina que define un fondo, y un par de laterales y un par de testeros que definen cuatro esquinas, comprendiendo una pluralidad de salientes y orificios complementarios entre si, y se caracteriza porque cada esquina comprende al menos un saliente superior situado en el testero y un saliente superior situado en un lateral, extendiendose dichos salientes superiores desde la parte interior de dicho testero y de dicho lateral.The tray for transporting products according to the present invention is formed from a sheet that defines a bottom, and a pair of sides and a pair of pockets that define four corners, comprising a plurality of protrusions and complementary holes between them. , and is characterized in that each corner comprises at least one upper projection located in the tester and an upper projection located on one side, said upper projections extending from the inner part of said tester and said lateral.

Ventajosamente, la bandeja para el transporte de productos de acuerdo con la presente invencion tambien comprende un saliente superior adicional situado en el centro de cada testero, y que se extiende desde la parte interior de dicho testero.Advantageously, the tray for transporting products according to the present invention also comprises an additional upper projection located in the center of each tester, and extending from the inside of said tester.

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Preferentemente, la bandeja para el transporte de productos comprende un orificio complementary con cada saliente superior situado al menos en los testeros, comprendiendo cada orificio una lengueta que se extiende hacia abajo desde la parte exterior de cada testero asociado con cada orificio.Preferably, the tray for transporting products comprises a complementary hole with each upper projection located at least in the heads, each hole comprising a tongue that extends downward from the outside of each head associated with each hole.

Segun una realization preferida, dichos laterales y/o dichos testeros estan ligeramente inclinados hacia el interior.According to a preferred embodiment, said laterals and / or said testers are slightly inclined inwards.

Aunque podrla ser de cualquier material adecuado, dicha lamina que forma la bandeja de acuerdo con la presente invention es de carton compacto, por ejemplo, de carton compacto con un espesor de 1 mm aproximadamente.Although it could be of any suitable material, said sheet forming the tray according to the present invention is of compact cardboard, for example, of compact cardboard with a thickness of approximately 1 mm.

Ventajosamente, el fondo comprende una pluralidad de aberturas asociadas por pares.Advantageously, the bottom comprises a plurality of associated openings in pairs.

Con la bandeja para el transporte de productos de acuerdo con la presente invencion se consigue un perfecto apilado de las bandejas entre si, no moviendose una respecto a las otras durante su transporte. Esto se consigue gracias a la disposition de los salientes, que se extienden desde la parte interior de los testeros y de los laterales.With the tray for transporting products according to the present invention, a perfect stacking of the trays is achieved, not moving with respect to each other during transport. This is achieved thanks to the arrangement of the projections, which extend from the inside of the heads and the sides.

Ademas, gracias al uso de carton compacto de un espesor reducido se consigue un volumen interior de la bandeja superior a una bandeja de carton ondulado convencional con las mismas dimensiones, lo que implica una gran reduction en los costes de transporte.In addition, thanks to the use of compact cardboard of a reduced thickness, an internal volume of the upper tray is achieved than a conventional corrugated cardboard tray with the same dimensions, which implies a large reduction in transport costs.

Breve descripcion de los dibujosBrief description of the drawings

Para mejor comprension de cuanto se ha expuesto, se acompanan unos dibujos en los que, esquematicamente y tan solo a tltulo de ejemplo no limitativo, se representa un caso practico de realizacion.To better understand how much has been exposed, some drawings are combined in which, schematically and only by way of non-limiting example, a practical case of realization is represented.

La figura 1 es una vista en planta de una esquina de la lamina que forma la bandeja de transporte de productos de acuerdo con una primera realizacion la presente invencion;Figure 1 is a plan view of a corner of the sheet forming the product transport tray according to a first embodiment of the present invention;

La figura 2 es una vista en perspectiva de una esquina de la bandeja de transporte de productos de acuerdo con una primera realizacion de la presente invencion; yFigure 2 is a perspective view of a corner of the product transport tray according to a first embodiment of the present invention; Y

La figura 3 es una vista en perspectiva de una esquina de la bandeja de transporte de productos de acuerdo con una segunda realizacion de la presente invencion.Figure 3 is a perspective view of a corner of the product transport tray according to a second embodiment of the present invention.

Descripcion de una realizacion preferidaDescription of a preferred embodiment

En primer lugar, debe indicarse que en las figuras se representan dos realizaciones alternativas de la bandeja de transporte de productos de acuerdo con la presente invencion. Por motivos de simplicidad los elementos comunes se han indicado mediante las mismas referencias numericas.First, it should be noted that two alternative embodiments of the product transport tray according to the present invention are represented in the figures. For the sake of simplicity the common elements have been indicated by the same numerical references.

En la figura 1 se representa una esquina de la lamina que forma la bandeja de transporte de productos de acuerdo con una primera realizacion de la presente invencion.A corner of the sheet forming the product transport tray according to a first embodiment of the present invention is shown in Figure 1.

De acuerdo con una realizacion preferida, dicha lamina 1 es de carton compacto, por ejemplo con un espesor de unos 1 mm, aunque podrla ser de cualquier material adecuado con un espesor adecuado.According to a preferred embodiment, said sheet 1 is of compact cardboard, for example with a thickness of about 1 mm, although it could be of any suitable material with a suitable thickness.

Dicha lamina 1 comprende una pluralidad de llneas de plegado y de llneas de corte que definen un fondo 2, dos laterales 3 y dos testeros 4 que definen cuatro esquinas de la bandeja,Said sheet 1 comprises a plurality of folding lines and cutting lines that define a bottom 2, two sides 3 and two heads 4 that define four corners of the tray,

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ademas de una pluralidad de salientes y orificios que se describiran en detalle posteriormente.in addition to a plurality of projections and holes that will be described in detail later.

Aunque no se puede apreciar en la figura 2, debe indicarse que los laterales 3 y los testeros 4 estan colocados ligeramente inclinados hacia el interior de la bandeja, para facilitar el apilado de las bandejas.Although it cannot be seen in Figure 2, it should be noted that the sides 3 and the heads 4 are positioned slightly inclined towards the inside of the tray, to facilitate stacking of the trays.

Como se puede apreciar mejor en la figura 2, cada testero 4 esta formado por dos solapas 4a, 4b, plegandose una sobre en la otra en la posicion de uso de la bandeja de acuerdo con la presente invencion. Ademas, cada testero 4 tambien comprende unas solapas laterales exteriores 4c que se fijan sobre la parte exterior de los laterales 3 en cada esquina de la bandeja y unas solapas laterales interiores 4d que se fijan sobre la parte exterior de los laterales 3 en cada esquina.As can be best seen in Figure 2, each tester 4 is formed by two flaps 4a, 4b, folding one envelope in the other in the position of use of the tray according to the present invention. In addition, each tester 4 also comprises outer side flaps 4c that are fixed on the outside of the sides 3 in each corner of the tray and inner side flaps 4d that are fixed on the outside of the sides 3 in each corner.

Debe indicarse que dichas solapas laterales interiores 4d estan unidas a la parte inferior de los laterales 3 formando en cada esquina una columna de refuerzo, tal como se aprecia en la figura 2. Esta columna de refuerzo permite reforzar la resistencia a la compresion vertical de la bandeja de transporte de productos de acuerdo con la presente invencion.It should be noted that said inner side flaps 4d are attached to the bottom of the sides 3 forming at each corner a reinforcing column, as shown in Figure 2. This reinforcing column allows to reinforce the vertical compressive strength of the product transport tray according to the present invention.

Por su parte, los laterales 3 comprenden una solapa central 3a que se pliega hacia el interior de la bandeja, cuyos bordes laterales estan preferentemente en contacto con el borde lateral de la solapa lateral interior 4d indicada anteriormente, tal como se aprecia en la segunda realizacion de la figura 3.For its part, the sides 3 comprise a central flap 3a that folds into the tray, whose side edges are preferably in contact with the side edge of the inner side flap 4d indicated above, as seen in the second embodiment of figure 3.

De esta manera, se consigue una bandeja para el transporte de productos de gran resistencia, ya que se consigue al menos un doble espesor en las esquinas, que es la que soportan el peso de las bandejas apiladas entre si, y en la parte de los laterales de las esquinas, el espesor es triple.In this way, a tray for the transport of products of great resistance is achieved, since at least a double thickness is achieved in the corners, which is the one that supports the weight of the trays stacked together, and in the part of the side of the corners, the thickness is triple.

Para permitir el apilado de las bandejas entre si evitando su movimiento relativo durante su transporte, cada esquina de la bandeja comprende un saliente superior 5 situado en el testero 4 y un saliente superior 6 situado en el lateral 3. Estos salientes superiores 5, 6 se extienden desde la parte interior de dicho testero 4 y de dicho lateral 3, respectivamente.In order to allow stacking of the trays with each other avoiding their relative movement during transport, each corner of the tray comprises an upper projection 5 located in the front 4 and an upper projection 6 located on the side 3. These upper projections 5, 6 are they extend from the inside of said tester 4 and said side 3, respectively.

Estos salientes superiores 5, 6, cuando se apilan dos bandejas una sobre otra, se alojan en unos orificios 10, 11 complementarios de la bandeja superior.These upper projections 5, 6, when two trays are stacked on top of each other, are housed in complementary holes 10, 11 of the upper tray.

De acuerdo con la primera realizacion, en cada testero 4 tambien esta previsto un saliente central adicional 7, que esta colocado en la parte central superior de dicho testero, tal como se aprecia en la figura 2, y en la posicion apilada, dicho saliente central 7 se aloja en un orificio central 8 de la bandeja superior.According to the first embodiment, in each tester 4 an additional central projection 7 is also provided, which is placed in the upper central part of said tester, as seen in Figure 2, and in the stacked position, said central projection 7 is housed in a central hole 8 of the upper tray.

Debe indicarse que en la segunda realizacion mostrada en la figura 3 no esta presente este saliente central adicional 7, siendo esta la principal diferencia entre ambas realizaciones.It should be noted that in the second embodiment shown in Figure 3 this additional central projection 7 is not present, this being the main difference between both embodiments.

Este orificio central 8 presenta asociada una lengueta 9 que se extiende hacia abajo desde la parte exterior de dicho testero 4, para conseguir una mejor retencion de dicho saliente central 7.This central hole 8 has an associated tongue 9 which extends downwards from the outside of said tester 4, to achieve a better retention of said central projection 7.

En la segunda realizacion representada en la figura 3, los orificios 10 presente en los testeros 4 tambien presentan asociada una lengueta 9, que se extiende hacia abajo desde la parte exterior de dicho testero 4, para conseguir una mejor retencion de dichos salientes superiores 5.In the second embodiment represented in Figure 3, the holes 10 present in the heads 4 also have an associated tongue 9, which extends downwards from the outside of said head 4, to achieve a better retention of said upper projections 5.

Ademas, en el fondo 2 de la bandeja de acuerdo con la presente invencion estan dispuestasIn addition, bottom 2 of the tray according to the present invention are arranged

una pluralidad de aberturas 12 asociadas por pares y distribuidas de manera uniforme, tal como se aprecia en la figura 3. La finalidad de estas aberturas 12 es asegurar la ventilacion de unos envases (no representados) situados en la bandeja, que tambien comprenden unas aberturas de ventilacion. Por ejemplo, esto es especialmente adecuado cuando se transporta 5 algun tipo de alimentos que requieren ventilacion.a plurality of openings 12 associated in pairs and distributed uniformly, as shown in Figure 3. The purpose of these openings 12 is to ensure the ventilation of containers (not shown) located in the tray, which also comprise openings of ventilation For example, this is especially suitable when transporting some type of food that requires ventilation.

A pesar de que se ha hecho referencia a una realization concreta de la invention, es evidente para un experto en la materia que la bandeja para el transporte de productos descrita es susceptible de numerosas variaciones y modificaciones, y que todos los detalles mencionados 10 pueden ser sustituidos por otros tecnicamente equivalentes, sin apartarse del ambito de protection definido por las reivindicaciones adjuntas.Although reference has been made to a specific embodiment of the invention, it is clear to one skilled in the art that the described product transport tray is susceptible to numerous variations and modifications, and that all the mentioned details 10 can be replaced by other technically equivalent ones, without departing from the scope of protection defined by the appended claims.

Claims (7)

55 1010 15fifteen 20twenty 2525 3030 ES 2 552 741 A1ES 2 552 741 A1 REIVINDICACIONES 1. Bandeja para el transporte de productos, formada a partir de una lamina (1) que define un fondo (2), y un par de laterales (3) y un par de testeros (4) que definen cuatro esquinas, comprendiendo una pluralidad de salientes y orificios complementarios entre si, caracterizada porque cada esquina comprende al menos un saliente superior (5) situado en el testero y un saliente superior (6) situado en un lateral, extendiendose dichos salientes superiores (5, 6) desde la parte interior de dicho testero (4) y de dicho lateral (3).1. Tray for transporting products, formed from a sheet (1) that defines a bottom (2), and a pair of sides (3) and a pair of pockets (4) that define four corners, comprising a plurality of protrusions and complementary holes with each other, characterized in that each corner comprises at least one upper projection (5) located in the front and one upper projection (6) located on one side, said upper projections extending (5, 6) from the inside said tester (4) and said lateral (3). 2. Bandeja para el transporte de productos de acuerdo con la reivindicacion 1, que tambien comprende un saliente superior adicional (7) situado en el centro de cada testero (4), y que se extiende desde la parte interior de dicho testero (4).2. Tray for transporting products according to claim 1, which also comprises an additional upper projection (7) located in the center of each tester (4), and extending from the inside of said tester (4) . 3. Bandeja para el transporte de productos de acuerdo con la reivindicacion 1 o 2, que comprende un orificio (8; 10) complementary con cada saliente superior (5; 7) situado al menos en los testeros (4), comprendiendo cada orificio (8) una lengueta (9) que se extiende hacia abajo desde la parte exterior de cada testero (4) asociado con cada orificio (8; 10).3. Tray for transporting products according to claim 1 or 2, comprising a hole (8; 10) complementary with each upper projection (5; 7) located at least in the heads (4), each hole comprising ( 8) a tongue (9) extending downward from the outside of each tester (4) associated with each hole (8; 10). 4. Bandeja para el transporte de productos de acuerdo con una cualquiera de las reivindicaciones anteriores, en la que dichos laterales (3) y/o dichos testeros (4) estan ligeramente inclinados hacia el interior.4. Tray for transporting products according to any one of the preceding claims, wherein said sides (3) and / or said heads (4) are slightly inclined inwards. 5. Bandeja para el transporte de productos de acuerdo con la reivindicacion 1, en la que dicha lamina (1) es de carton compacto.5. Tray for transporting products according to claim 1, wherein said sheet (1) is of compact cardboard. 6. Bandeja para el transporte de productos de acuerdo con la reivindicacion 5, en la que dicha lamina (1) es de carton compacto con un espesor de 1 mm aproximadamente.6. Tray for transporting products according to claim 5, wherein said sheet (1) is of compact cardboard with a thickness of approximately 1 mm. 7. Bandeja para el transporte de productos de acuerdo con la reivindicacion 1, en la que el fondo (2) comprende una pluralidad de aberturas (12) asociadas por pares.7. Tray for transporting products according to claim 1, wherein the bottom (2) comprises a plurality of openings (12) associated in pairs.
ES201430820A 2014-05-29 2014-05-29 TRAY FOR PRODUCT TRANSPORTATION Expired - Fee Related ES2552741B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES201430820A ES2552741B1 (en) 2014-05-29 2014-05-29 TRAY FOR PRODUCT TRANSPORTATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201430820A ES2552741B1 (en) 2014-05-29 2014-05-29 TRAY FOR PRODUCT TRANSPORTATION

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ES2552741A1 ES2552741A1 (en) 2015-12-01
ES2552741B1 true ES2552741B1 (en) 2016-09-08

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2576527B1 (en) * 2016-02-25 2016-12-29 Tableprint Internacional, S.L. Modular container
ES2576303B1 (en) * 2016-02-25 2016-12-29 Tableprint Internacional, S.L. Modular container
EP3502003B1 (en) * 2017-12-22 2020-10-28 Gallotti, Danila Packaging for food, in particular for pizza

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934790A (en) * 1974-05-24 1976-01-27 Avard Joseph Easter Farm produce containers
US5535942A (en) * 1995-04-17 1996-07-16 Green Bay Packaging, Inc. Stackable tray
ES2149670B1 (en) * 1997-12-09 2001-06-16 Videcart Sa STACKABLE BOX.
WO2009024625A1 (en) * 2007-08-22 2009-02-26 Videcart, S.A. Method for manufacturing a compact cardboard tray and tray thus manufactured
CL2010000779A1 (en) * 2010-07-22 2011-02-18 Compania Patentes Del Pacifico Spa Self-assembling container container, comprising the following main structural elements, a bottom, two longitudinal or larger sides and two transverse or smaller sides, grooves and flexible harpoons resistant to traction; and method of manufacturing structural elements of a self-assembling container container.

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