WO2017177347A1 - Plastic container for storing and transporting agricultural products and method for stacking containers - Google Patents

Plastic container for storing and transporting agricultural products and method for stacking containers Download PDF

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Publication number
WO2017177347A1
WO2017177347A1 PCT/CL2017/050017 CL2017050017W WO2017177347A1 WO 2017177347 A1 WO2017177347 A1 WO 2017177347A1 CL 2017050017 W CL2017050017 W CL 2017050017W WO 2017177347 A1 WO2017177347 A1 WO 2017177347A1
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WO
WIPO (PCT)
Prior art keywords
container
vertical walls
container according
tubular column
walls
Prior art date
Application number
PCT/CL2017/050017
Other languages
Spanish (es)
French (fr)
Inventor
Pablo Francisco WENBORNE ESCOBAR
María Daniela EVANS ZALDIVAR
Original Assignee
Wenco S.A.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59858421&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017177347(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wenco S.A. filed Critical Wenco S.A.
Priority to EP17781698.0A priority Critical patent/EP3456645B1/en
Publication of WO2017177347A1 publication Critical patent/WO2017177347A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/38—Baskets or like containers of skeleton or apertured construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • B65D1/46—Local reinforcements, e.g. adjacent closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0213—Containers presenting a continuous stacking profile along the upper or lower edge of at least two opposite side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes

Definitions

  • the present invention is associated with stackable plastic containers frequently used for the storage and transport of agricultural, industrial or any other type whose structure makes it possible to reduce the weight considerably without reducing the strength or the storage volume thereof. Additionally, the invention also relates to a method for stacking at least two plastic containers.
  • Said containers are formed by a bottom joined to four perimeter walls, wherein said bottom and said walls have a framework structure, allowing the circulation of air into the container and reducing the weight of the structure.
  • the corners of the containers generally have a greater thickness and comprise reinforcing elements such as ribs to resist tensile stresses, compression, flexion and torsion to which these types of containers are generally subjected during handling and transport. Additionally, certain portions of the walls and bottom also include reinforcements to prevent buckling and maintain the rigidity of the structure.
  • Another characteristic of this type of containers is that they have means such as flanges and protuberances in their corners that allow the insertion with identical containers and with it can be stacked for storage or transport on pallets.
  • An example of this type of container is, for example, the one disclosed by EP 0041307, which describes an injection molded case for transporting fruit.
  • Figure 1 corresponds to a plastic container, belonging to the state of the art, used for the storage and transport of products such as tulip and lilium bulbs.
  • a disadvantage of this type of container is its high weight, which amounts to approximately 1600 gr.
  • the present invention aims to provide a container that through the use of less material and through an improved structure, a significant reduction in weight and material utilization is achieved compared to state-of-the-art containers , without reducing the strength of the container and the storage volume, while reducing production costs.
  • the present invention consists of a stackable plastic container for storing and transporting agricultural, industrial or any other type of products, which is configured by a preferably rectangular base and by four vertical walls.
  • a cylindrical tubular column is arranged, which is open at its ends and is connected to the bottom structure.
  • Said column being cylindrical, provides great resistance to the structure, and its connection with the side walls and at the end of the bottom allows the efforts to which the container is subjected to be distributed to the four columns to resist said loads and avoid deformations
  • the tubular columns being hollow allow a significant reduction in the use of material compared to the known containers and, consequently, a significant reduction in the total weight of the container, since it is possible to dispense with the use of multiple ribs in the vertical walls ( see Fig. 1) which significantly increase the weight of the container.
  • the volume generated by the presence of the columns inside the container is compensated by a reduction in the height of the bottom, thus not affecting the final useful volume inside the container.
  • each tubular column is integrally connected with a vertical projection that runs through the entire bottom frame of the container base.
  • the height of the column inside the container is selected so that it does not interfere with the operation of the notches of the machines used for handling containers inside a plant, which are generally designed to work with the thicknesses Standard of this type of containers.
  • the present invention also comprises a method for stacking plastic containers for the storage and transport of agricultural products, wherein said method comprises the steps of: a. Have at least two containers as described above.
  • FIGURES - Figure 1 illustrates a state of the art container.
  • FIG. 2 illustrates an isometric view of the container of the invention.
  • FIG. 3 and 4 illustrate details of the container column of the invention.
  • FIG. 5 illustrates a detail of the lower projection and its connection with the column of the container of the invention.
  • FIG. 6 illustrates a detail of the top and bottom edges of the container of the invention.
  • FIG. 7 illustrates a configuration of two stacked containers.
  • FIG. 8 illustrates a cut of the corners of two stacked containers.
  • FIG. 2 there is a container which is formed from a bottom 100, longitudinal vertical walls 200 and transverse vertical walls 300, where the union of each longitudinal vertical wall 200 with the transverse vertical wall 300 is reinforced by means of a tubular column 400 with cylindrical shape.
  • the container walls have preferably flat columns 210 and beams 220, which support vertical reinforcements 211 and horizontal reinforcements 221 that are connected perpendicularly.
  • the vertical walls comprise an upper perimeter edge 500 that runs the entire upper perimeter of the container.
  • the bottom 100 is configured from a perimeter frame 1 10 (see Fig. 5) which encloses a reticular structure arranged on ribs 120 preferably in the shape of T and connected to each other diagonally.
  • the tubular column 400 extends vertically through the interior of the container in each corner to a height preferably less than that of the upper end where the upper perimeter edge 500 is located.
  • said tubular column 400 is connected inside the container to two perpendicular plates 412, which in turn are attached to the vertical walls, forming a single piece.
  • the portion of the column located inside the container comprises a recess 410 and in its upper face a perforation 411 is configured.
  • Said recess 410 in conjunction with the vertex formed by the upper perimeter edge 500 allows the insertion with a top-stacked container and does not interfere with the notches of automated machines.
  • the tubular column 400 has a lower extension 420 with a cylindrical shape, said lower extension 420 being attached to a lower shoulder 230 consisting of an element perpendicular to the bottom protruding inferiorly from the perimeter frame 110 and connecting the bottom of each tubular column 400.
  • the container has its maximum height at the vertices to favor the insertion at said points with other containers in a stack.
  • the upper perimeter edge 500 is inclined to then form a flat vertex 510 protruding above the recess 410 of the tubular column 400.
  • the upper perimeter edge 500 has a broadening 520 on a portion of the Longitudinal vertical walls 200 which provides greater resistance to the structure by preventing the walls from buckling.
  • the bottom 100 has bottom recesses 430 generated by the decrease in the height of the bottom ribs, where according to a preferred embodiment, said bottom recesses 430 are located in the portion in contact with the vertical walls thus forming a bottom structure 100 with an "X" shape.
  • the method of stacking two containers according to the present invention and with reference to Figures 7 and 8, consists in placing a first container supporting the lower shoulder 230 on the floor surface, of a pallet, etc.
  • the second container to be stacked in the upper part of said first lower container is positioned such that the lower shoulder 230 of the second container is disposed within the upper perimeter edge 500 of the first container, so that the outer face of the lower shoulder of the second container contacts the inner face of the upper perimeter edge of the first container.
  • the vertices of the perimeter frame 110 of the upper container rest on the flat vertices 510 of the lower container, keeping the walls (200, 300) and consequently the tubular columns 400 aligned.
  • the stresses produced by the weight of the upper container are transferred by the perimeter frame 110 towards the flat vertices 510 of the upper perimeter edge of the lower container and subsequently resisted by the tubular columns 400 that distribute the loads towards the vertical reinforcements, the horizontal reinforcements 221 and the nerves 120 from the bottom.
  • all efforts are distributed across all dimensions of the container and channeled to the lower extension (420) of the container located below.
  • a container with the same dimensions of the state-of-the-art containers was constructed, that is 600 mm long, 400 mm wide and 240 mm high. It was observed that thanks to the elements that make up the structure of the container of the invention, a 20% reduction in weight was achieved without significant loss in its strength and allowed to form a stack of containers comprising a combination of state-of-the-art containers and those of The present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Stackable Containers (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Pallets (AREA)

Abstract

The invention relates to a plastic container for storing and transporting agricultural products, the structure of which allows the weight of the container to be considerably reduced without diminishing the resistance and storage volume thereof. The container is formed by a bottom (100), longitudinal vertical walls (200) and transverse vertical walls (300), and comprises: a reinforcement between each joint of the longitudinal vertical walls with the transverse vertical walls, which consists of a cylindrical tubular column (400), the lower part of each tubular column (400) being connected to a lower projection (230) that runs along a peripheral frame (110) of the bottom of the container; an upper peripheral border (500) that has a wider part (520) on a portion of the longitudinal vertical walls (200); and at least one bottom recess (430) located on the bottom (100) of the container. The present invention also relates to a method for stacking at least two containers.

Description

CONTENEDOR PLÁSTICO PARA EL ALMACENAMIENTO Y TRANSPORTE DE PRODUCTOS AGRÍCOLAS; MÉTODO PARA APILAR CONTENEDORES  PLASTIC CONTAINER FOR STORAGE AND TRANSPORT OF AGRICULTURAL PRODUCTS; METHOD FOR STACKING CONTAINERS
MEMORIA DESCRIPTIVA CAMPO DE LA INVENCION DESCRIPTIVE MEMORY FIELD OF THE INVENTION
La presente invención está asociada a los contenedores de plástico apilables usados frecuentemente para el almacenamiento y transporte de productos agrícolas, industriales o de cualquier otro tipo cuya estructura permite reducir considerablemente el peso sin disminución de la resistencia ni del volumen de almacenamiento del mismo. Adicionalmente, la invención también se refiere a un método para apilar al menos dos contenedores de plástico. The present invention is associated with stackable plastic containers frequently used for the storage and transport of agricultural, industrial or any other type whose structure makes it possible to reduce the weight considerably without reducing the strength or the storage volume thereof. Additionally, the invention also relates to a method for stacking at least two plastic containers.
ANTECEDENTES DE LA INVENCION BACKGROUND OF THE INVENTION
En la industria de embalaje y transporte, específicamente de productos hortofrutícolas, es frecuente la utilización de contenedores de plástico del tipo caja rectangular o cuadrada, las cuales son construidas mediante inyección de plástico. In the packaging and transport industry, specifically of fruit and vegetable products, the use of plastic containers of the rectangular or square box type is frequent, which are constructed by plastic injection.
Dichos contenedores están formados por un fondo unido a cuatro paredes perimetrales, en donde dicho fondo y dichas paredes tienen una estructura de entramado, permitiendo la circulación de aire hacia el interior del contenedor y la reducción del peso de la estructura. Said containers are formed by a bottom joined to four perimeter walls, wherein said bottom and said walls have a framework structure, allowing the circulation of air into the container and reducing the weight of the structure.
Las esquinas de los contenedores suelen tener generalmente un mayor espesor y comprenden elementos de refuerzo tales como nervios para poder resistir los esfuerzos de tracción, compresión, flexión y torsión a los cuales generalmente se ven sometidos este tipo de contenedores durante su manejo y transporte. Adicionalmente, ciertas porciones de las paredes y del fondo también incluyen refuerzos para evitar el pandeo y mantener la rigidez de la estructura. The corners of the containers generally have a greater thickness and comprise reinforcing elements such as ribs to resist tensile stresses, compression, flexion and torsion to which these types of containers are generally subjected during handling and transport. Additionally, certain portions of the walls and bottom also include reinforcements to prevent buckling and maintain the rigidity of the structure.
Otra característica de este tipo de contenedores es que poseen medios tales como rebordes y protuberancias en sus esquinas que permiten el encastre con contenedores idénticos y con ello poder ser apilados para su almacenamiento o transporte en pallets. Another characteristic of this type of containers is that they have means such as flanges and protuberances in their corners that allow the insertion with identical containers and with it can be stacked for storage or transport on pallets.
Un ejemplo de este tipo de contendores es por ejemplo aquel divulgado por el documento EP 0041307, el cual describe una caja moldeada por inyección para el transporte de fruta. An example of this type of container is, for example, the one disclosed by EP 0041307, which describes an injection molded case for transporting fruit.
Otro ejemplo de este tipo de contenedores se ilustra en la Figura 1, el cual corresponde a un contenedor plástico, perteneciente al estado del arte, utilizado para el almacenamiento y transporte de productos tales como bulbos de tulipán y lilium. Another example of this type of container is illustrated in Figure 1, which corresponds to a plastic container, belonging to the state of the art, used for the storage and transport of products such as tulip and lilium bulbs.
Un inconveniente de este tipo de contenedores es su elevado peso, el cual asciende aproximadamente a los 1600 gr. A disadvantage of this type of container is its high weight, which amounts to approximately 1600 gr.
Por tanto, la presente invención tiene como objetivo proveer un contenedor que por medio de la utilización de menor cantidad de material y a través de una estructura mejorada, se logre una reducción significativa del peso y la utilización de material comparado con los contenedores del estado del arte, sin reducir la resistencia del contenedor y el volumen de almacenamiento, al mismo tiempo que se disminuyan los costos de producción. Therefore, the present invention aims to provide a container that through the use of less material and through an improved structure, a significant reduction in weight and material utilization is achieved compared to state-of-the-art containers , without reducing the strength of the container and the storage volume, while reducing production costs.
Es otro objetivo de la invención proveer un contenedor mejorado el cual sea compatible con los contenedores de la actualidad, permitiendo el encastre con ellos en una configuración apilada. Es aún otro objetivo de la invención proveer un contenedor mejorado que sea compatible con los medios de sujeción de los sistemas automatizados de producción. DESCRIPCIÓN DE LA INVENCION It is another object of the invention to provide an improved container which is compatible with today's containers, allowing the insertion with them in a stacked configuration. It is yet another object of the invention to provide an improved container that is compatible with the fastening means of automated production systems. DESCRIPTION OF THE INVENTION
La presente invención consiste en un contenedor de plástico apilable para almacenar y transportar productos agrícolas, industriales o de cualquier otro tipo, el cual está configurado por una base preferentemente rectangular y por cuatro paredes verticales. The present invention consists of a stackable plastic container for storing and transporting agricultural, industrial or any other type of products, which is configured by a preferably rectangular base and by four vertical walls.
Ventajosamente, en la unión de las paredes verticales por la cara interna del contenedor se dispone una columna tubular cilindrica, la cual es abierta en sus extremos y se conecta con la estructura del fondo. Dicha columna, al ser cilindrica, provee una gran resistencia a la estructura, y su conexión con las paredes laterales y al extremo del fondo permite que los esfuerzos a los cuales se somete el contenedor sean distribuidos hacia las cuatro columnas para resistir dichas cargas y evitar deformaciones. Las columnas tubulares al ser huecas permiten una reducción significativa en el uso de material comparado con los contenedores conocidos y, en consecuencia, una reducción importante del peso total del contenedor, puesto que se logra prescindir de la utilización de múltiples nervios en las paredes verticales (ver Fig. 1) los cuales aumentan significativamente el peso del contenedor. Por otro lado, el volumen generado por la presencia de las columnas al interior del contenedor se compensa por una reducción en la altura del fondo, no afectando así el volumen final útil al interior del contenedor. Advantageously, at the junction of the vertical walls by the inner face of the container a cylindrical tubular column is arranged, which is open at its ends and is connected to the bottom structure. Said column, being cylindrical, provides great resistance to the structure, and its connection with the side walls and at the end of the bottom allows the efforts to which the container is subjected to be distributed to the four columns to resist said loads and avoid deformations The tubular columns being hollow allow a significant reduction in the use of material compared to the known containers and, consequently, a significant reduction in the total weight of the container, since it is possible to dispense with the use of multiple ribs in the vertical walls ( see Fig. 1) which significantly increase the weight of the container. On the other hand, the volume generated by the presence of the columns inside the container is compensated by a reduction in the height of the bottom, thus not affecting the final useful volume inside the container.
La parte inferior de cada columna tubular se conecta integralmente con un resalte vertical que recorre todo el marco inferior de la base del contenedor. Por medio de dicho resalte es posible encastrar el presente contenedor tanto con contenedores idénticos así como con aquellos conocidos del estado del arte, como aquel ilustrado la Figura 1 , de manera que el resalte encaje en la esquina superior del contenedor ubicado inferiormente. Otra característica que permite evitar la pérdida de resistencia de la estructura del contenedor al disminuir su peso, tiene que ver con que el borde superior de las paredes longitudinales del contenedor, que posee un ensanche para proveer una mejor resistencia al pandeo. The lower part of each tubular column is integrally connected with a vertical projection that runs through the entire bottom frame of the container base. By means of said protrusion it is possible to embed the present container with identical containers as well as with those known in the state of the art, such as that illustrated in Figure 1, so that the protrusion fits into the upper corner of the inferiorly located container. Another feature that prevents the loss of resistance of the container structure by decreasing its weight, has to do with the upper edge of the longitudinal walls of the container, which has a widening to provide better buckling resistance.
Además, la altura de la columna al interior del contenedor se selecciona de tal modo que no interfiera con la operación de las muescas de las máquinas utilizadas para el manejo de contenedores al interior de una planta, las cuales generalmente están diseñadas para trabajar con los espesores estándar de este tipo de contenedores. In addition, the height of the column inside the container is selected so that it does not interfere with the operation of the notches of the machines used for handling containers inside a plant, which are generally designed to work with the thicknesses Standard of this type of containers.
La presente invención comprende también un método para apilar contenedores plásticos para el almacenamiento y transporte de productos agrícolas, en donde dicho método comprende las etapas de: a. Disponer de al menos dos contenedores como el descrito anteriormente. The present invention also comprises a method for stacking plastic containers for the storage and transport of agricultural products, wherein said method comprises the steps of: a. Have at least two containers as described above.
b. Situar un primer contenedor apoyando el resalte inferior en una superficie. b. Place a first container supporting the lower projection on a surface.
c. Situar un segundo contenedor sobre el primer contenedor, disponiendo su resalte inferior dentro del borde perimetral superior del contenedor inferior, contactando la cara exterior del resalte inferior del contenedor superior respectivamente con la cara interior del borde perimetral superior del contenedor inferior. C. Place a second container on the first container, disposing its lower projection within the upper perimeter edge of the lower container, contacting the outer face of the lower projection of the upper container respectively with the inner face of the upper perimeter edge of the lower container.
d. Apoyar los vértices del marco perimetral del contenedor superior sobre los vértices planos del contenedor inferior. d. Support the vertices of the perimeter frame of the upper container on the flat vertices of the lower container.
BREVE DESCRIPCIÓN DE LAS FIGURAS - La Figura 1 ilustra un contenedor del estado del arte. BRIEF DESCRIPTION OF THE FIGURES - Figure 1 illustrates a state of the art container.
- La Figura 2 ilustra una vista isométrica del contenedor de la invención. - Figure 2 illustrates an isometric view of the container of the invention.
- Las Figuras 3 y 4 ilustran detalles de la columna del contenedor de la invención. - La Figura 5 ilustra un detalle del resalte inferior y su conexión con la columna del contenedor de la invención. - Figures 3 and 4 illustrate details of the container column of the invention. - Figure 5 illustrates a detail of the lower projection and its connection with the column of the container of the invention.
- La Figura 6 ilustra un detalle de los bordes superiores y del fondo del contenedor de la invención. - Figure 6 illustrates a detail of the top and bottom edges of the container of the invention.
- La Figura 7 ilustra una configuración de dos contenedores apilados. - La Figura 8 ilustra un corte de las esquinas de dos contenedores apilados. - Figure 7 illustrates a configuration of two stacked containers. - Figure 8 illustrates a cut of the corners of two stacked containers.
DESCRIPCION DETALLADA DE LAS FIGURAS DETAILED DESCRIPTION OF THE FIGURES
De acuerdo a la figura 2, se tiene un contenedor el cual está conformado a partir de un fondo 100, paredes verticales longitudinales 200 y paredes verticales transversales 300, en donde la unión de cada pared vertical longitudinal 200 con la pared vertical transversal 300 está reforzada por medio de una columna tubular 400 con forma cilindrica. According to Figure 2, there is a container which is formed from a bottom 100, longitudinal vertical walls 200 and transverse vertical walls 300, where the union of each longitudinal vertical wall 200 with the transverse vertical wall 300 is reinforced by means of a tubular column 400 with cylindrical shape.
De acuerdo a una modalidad preferida de la invención, las paredes del contenedor poseen columnas 210 y vigas 220 preferentemente planas, las cuales soportan refuerzos verticales 211 y refuerzos horizontales 221 que se conectan en forma perpendicular. Además, las paredes verticales comprenden un borde perimetral superior 500 que recorre todo el perímetro superior del contenedor. According to a preferred embodiment of the invention, the container walls have preferably flat columns 210 and beams 220, which support vertical reinforcements 211 and horizontal reinforcements 221 that are connected perpendicularly. In addition, the vertical walls comprise an upper perimeter edge 500 that runs the entire upper perimeter of the container.
Por su parte, el fondo 100 está configurado a partir de un marco perimetral 1 10 (ver Fig. 5) el cual encierra una estructura reticular dispuesta sobre nervios 120 con forma preferentemente de T y conectados entre sí diagonalmente. Según las Figuras 3 y 4, la columna tubular 400 se extiende verticalmente por el interior del contenedor en cada esquina hasta una altura preferentemente menor que la del extremo superior donde se encuentra el borde perimetral superior 500. Además, dicha columna tubular 400 está unida por el interior del contenedor a dos placas perpendiculares 412, las cuales a su vez están unidas a las paredes verticales, formando una única pieza. On the other hand, the bottom 100 is configured from a perimeter frame 1 10 (see Fig. 5) which encloses a reticular structure arranged on ribs 120 preferably in the shape of T and connected to each other diagonally. According to Figures 3 and 4, the tubular column 400 extends vertically through the interior of the container in each corner to a height preferably less than that of the upper end where the upper perimeter edge 500 is located. In addition, said tubular column 400 is connected inside the container to two perpendicular plates 412, which in turn are attached to the vertical walls, forming a single piece.
Ventajosamente, la porción de la columna ubicada al interior del contenedor comprende un rebaje 410 y en su cara superior se configura una perforación 411. Dicho rebaje 410 en conjunto con el vértice formado por el borde perimetral superior 500 permite el encastre con un contenedor apilado superiormente y no interfiere con las muescas de las máquinas automatizadas. Advantageously, the portion of the column located inside the container comprises a recess 410 and in its upper face a perforation 411 is configured. Said recess 410 in conjunction with the vertex formed by the upper perimeter edge 500 allows the insertion with a top-stacked container and does not interfere with the notches of automated machines.
De acuerdo con la Figura 5, la columna tubular 400 posee una extensión inferior 420 con forma cilindrica, estando dicha extensión inferior 420 unida a un resalte inferior 230 que consiste en un elemento perpendicular al fondo que sobresale inferiormente desde del marco perimetral 110 y que conecta la parte inferior de cada columna tubular 400. According to Figure 5, the tubular column 400 has a lower extension 420 with a cylindrical shape, said lower extension 420 being attached to a lower shoulder 230 consisting of an element perpendicular to the bottom protruding inferiorly from the perimeter frame 110 and connecting the bottom of each tubular column 400.
De acuerdo a la modalidad ilustrada en la Figura 6, el contenedor posee su máxima altura en los vértices para favorecer el encastre en dichos puntos con otros contenedores en una pila. Cerca de los vértices superiores, el borde perimetral superior 500 está inclinado para luego formar un vértice plano 510 que sobresale por sobre el rebaje 410 de la columna tubular 400. Además, ventajosamente el borde perimetral superior 500 posee un ensanche 520 sobre una porción de las paredes verticales longitudinales 200 que provee una mayor resistencia a la estructura al evitar que se pandeen las paredes. According to the modality illustrated in Figure 6, the container has its maximum height at the vertices to favor the insertion at said points with other containers in a stack. Near the upper vertices, the upper perimeter edge 500 is inclined to then form a flat vertex 510 protruding above the recess 410 of the tubular column 400. Furthermore, advantageously the upper perimeter edge 500 has a broadening 520 on a portion of the Longitudinal vertical walls 200 which provides greater resistance to the structure by preventing the walls from buckling.
Siguiendo con la Figura 6, se observa que el fondo 100 posee rebajes de fondo 430 generados por la disminución de la altura de los nervios del fondo, en donde según una modalidad preferida, dichos rebajes de fondo 430 se ubican en la porción en contacto con las paredes verticales formando así una estructura del fondo 100 con forma de "X". El método de apilado de dos contenedores conforme a la presente invención y con referencia a las Figuras 7 y 8, consiste en situar un primer contenedor apoyando el resalte inferior 230 en la superficie del suelo, de un pallet, etc. El segundo contenedor a ser apilado en la parte superior de dicho primer contenedor inferior, se sitúa de tal manera que el resalte inferior 230 del segundo contenedor se dispone dentro del borde perimetral superior 500 del primer contenedor, de manera que la cara exterior del resalte inferior del segundo contenedor contacta la cara interior del borde perimetral superior del primer contenedor. Continuing with Figure 6, it is observed that the bottom 100 has bottom recesses 430 generated by the decrease in the height of the bottom ribs, where according to a preferred embodiment, said bottom recesses 430 are located in the portion in contact with the vertical walls thus forming a bottom structure 100 with an "X" shape. The method of stacking two containers according to the present invention and with reference to Figures 7 and 8, consists in placing a first container supporting the lower shoulder 230 on the floor surface, of a pallet, etc. The second container to be stacked in the upper part of said first lower container is positioned such that the lower shoulder 230 of the second container is disposed within the upper perimeter edge 500 of the first container, so that the outer face of the lower shoulder of the second container contacts the inner face of the upper perimeter edge of the first container.
Mediante lo anterior, los vértices del marco perimetral 110 del contenedor superior se apoyan sobre los vértices planos 510 del contenedor inferior, manteniendo alineadas las paredes (200, 300) y en consecuencia las columnas tubulares 400. De acuerdo con la Figura 8, los esfuerzos producidos por el peso del contenedor superior son transferidos mediante el marco perimetral 110 hacia los vértices planos 510 del borde perimetral superior del contenedor inferior y posteriormente resistidos por las columnas tubulares 400 que distribuyen las cargas hacia los refuerzos verticales, a los refuerzos horizontales 221 y a los nervios 120 del fondo. Mediante esta configuración, todos los esfuerzos son distribuidos por todas las dimensiones del contenedor y canalizados hacia la extensión inferior (420) del contenedor situado más abajo. By means of the foregoing, the vertices of the perimeter frame 110 of the upper container rest on the flat vertices 510 of the lower container, keeping the walls (200, 300) and consequently the tubular columns 400 aligned. According to Figure 8, the stresses produced by the weight of the upper container are transferred by the perimeter frame 110 towards the flat vertices 510 of the upper perimeter edge of the lower container and subsequently resisted by the tubular columns 400 that distribute the loads towards the vertical reinforcements, the horizontal reinforcements 221 and the nerves 120 from the bottom. Through this configuration, all efforts are distributed across all dimensions of the container and channeled to the lower extension (420) of the container located below.
De acuerdo a un ejemplo de la presente invención, se construyó un contenedor con las mismas dimensiones de los contenedores del estado del arte, esto es con 600 mm de largo, 400 mm de ancho y 240 mm de alto. Se observó que gracias a los elementos que conforman la estructura del contenedor de la invención se logró una disminución del 20% del peso sin pérdida significativa en su resistencia y permitió formar una pila de contenedores comprendiendo una combinación de contenedores del estado del arte y los de la presente invención. According to an example of the present invention, a container with the same dimensions of the state-of-the-art containers was constructed, that is 600 mm long, 400 mm wide and 240 mm high. It was observed that thanks to the elements that make up the structure of the container of the invention, a 20% reduction in weight was achieved without significant loss in its strength and allowed to form a stack of containers comprising a combination of state-of-the-art containers and those of The present invention.

Claims

REIVINDICACIONES
1. Contenedor plástico para el almacenamiento y transporte de productos agrícolas, cuya estructura permite reducir considerablemente el peso del contenedor sin disminuir su resistencia y su volumen de almacenamiento, el cual está conformado por un fondo (100), paredes verticales longitudinales (200) y paredes verticales transversales (300), CARACTERIZADO porque comprende: 1. Plastic container for the storage and transport of agricultural products, whose structure allows to reduce considerably the weight of the container without diminishing its resistance and its volume of storage, which is formed by a bottom (100), longitudinal vertical walls (200) and vertical transverse walls (300), CHARACTERIZED because it comprises:
- un refuerzo entre cada unión de las paredes verticales longitudinales con las paredes verticales transversales que consiste en una columna tubular (400) de forma cilindrica, donde la parte inferior de cada columna tubular (400) está conecta con un resalte inferior (230) que recorre un marco perimetral (110) del fondo del contenedor;  - a reinforcement between each connection of the longitudinal vertical walls with the transverse vertical walls consisting of a cylindrical tubular column (400), where the bottom of each tubular column (400) is connected with a lower shoulder (230) that runs through a perimeter frame (110) of the bottom of the container;
- un borde perimetral superior (500) que posee un ensanche (520) sobre una porción de las paredes verticales longitudinales (200);  - an upper perimeter edge (500) having an extension (520) on a portion of the longitudinal vertical walls (200);
- al menos un rebaje de fondo (430) ubicado en el fondo (100) del contenedor.  - at least one bottom recess (430) located at the bottom (100) of the container.
2. El contenedor según la reivindicación 1, CARACTERIZADO porque la columna tubular (400) se extiende verticalmente por el interior del contenedor en cada esquina, hasta una altura menor que la del borde perimetral superior 500. 2. The container according to claim 1, CHARACTERIZED in that the tubular column (400) extends vertically through the interior of the container at each corner, to a height less than that of the upper perimeter edge 500.
3. El contenedor según la reivindicación 1 o 2, CARACTERIZADO porque dicha columna tubular (400) está unida por el interior del contenedor a dos placas perpendiculares (412), las cuales a su vez están unidas a las paredes verticales (200, 300) formando una única pieza. 3. The container according to claim 1 or 2, CHARACTERIZED in that said tubular column (400) is connected inside the container to two perpendicular plates (412), which in turn are attached to the vertical walls (200, 300) forming a single piece.
4. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque la porción de la columna ubicada al interior del contenedor comprende un rebaje (410). 4. The container according to any of the preceding claims, CHARACTERIZED because the portion of the column located inside the container comprises a recess (410).
5. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque la cara superior de la columna comprende una perforación (411). 5. The container according to any of the preceding claims, CHARACTERIZED in that the upper face of the column comprises a perforation (411).
6. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque la parte inferior de cada columna tubular (400) consiste en una extensión inferior (420) con forma cilindrica. 6. The container according to any of the preceding claims, CHARACTERIZED in that the lower part of each tubular column (400) consists of a lower extension (420) with a cylindrical shape.
7. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque el resalte inferior (230) consiste en un elemento perpendicular al fondo que sobresale inferiormente desde del marco perimetral (110). 7. The container according to any of the preceding claims, CHARACTERIZED in that the lower projection (230) consists of an element perpendicular to the bottom that protrudes inferiorly from the perimeter frame (110).
8. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque los rebajes de fondo (430) están ubicados en la porción en contacto con las paredes verticales. 8. The container according to any of the preceding claims, CHARACTERIZED because the bottom recesses (430) are located in the portion in contact with the vertical walls.
9. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque los rebajes de fondo (430) forman una estructura con forma de "X". 9. The container according to any of the preceding claims, CHARACTERIZED because the bottom recesses (430) form an "X" shaped structure.
10. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque cerca de sus vértices superiores, el borde perimetral superior (500) está inclinado y comprende un vértice plano (510) que sobresale sobre la columna tubular (400). 10. The container according to any of the preceding claims, CHARACTERIZED because near its upper vertices, the upper perimeter edge (500) is inclined and comprises a flat vertex (510) protruding over the tubular column (400).
11. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque el marco perimetral (110) encierra una estructura reticular dispuesta sobre nervios (120). 11. The container according to any of the preceding claims, CHARACTERIZED in that the perimeter frame (110) encloses a reticular structure arranged on ribs (120).
12. El contenedor según la reivindicación 12, CARACTERIZADO porque dichos nervios (120) poseen forma T. 12. The container according to claim 12, CHARACTERIZED in that said ribs (120) have a T-shape.
13. El contenedor según la reivindicación 12 o 13, CARACTERIZADO porque dichos nervios (120) están conectados entre sí en forma diagonal. 13. The container according to claim 12 or 13, CHARACTERIZED in that said ribs (120) are connected to each other diagonally.
14. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque las paredes (200, 300) del contenedor poseen columnas (210) y vigas (220) en conexión con refuerzos verticales (211) y refuerzos horizontales (221) conectados a su vez en forma perpendicular. 14. The container according to any of the preceding claims, CHARACTERIZED because the walls (200, 300) of the container have columns (210) and beams (220) in connection with vertical reinforcements (211) and horizontal reinforcements (221) connected in turn perpendicularly.
15. El contenedor según cualquiera de las reivindicaciones precedentes, CARACTERIZADO porque posee su máxima altura en los vértices. 15. The container according to any of the preceding claims, CHARACTERIZED because it has its maximum height at the vertices.
16. Un método para apilar contenedores plásticos para el almacenamiento y transporte de productos agrícolas, cuya estructura permite reducir considerablemente el peso del contenedor sin disminuir su resistencia y su volumen de almacenamiento, CARACTERIZADO porque comprende las etapas de: 16. A method for stacking plastic containers for the storage and transport of agricultural products, whose structure allows to reduce considerably the weight of the container without diminishing its resistance and its storage volume, CHARACTERIZED because it comprises the steps of:
a. Disponer de al menos dos contenedores que comprenden: to. Have at least two containers comprising:
- un fondo (100); - a fund (100);
- paredes verticales longitudinales (200) y paredes verticales transversales (300); - un refuerzo entre cada unión de las paredes verticales longitudinales con las paredes verticales transversales que consiste en una columna tubular (400) de forma cilindrica, donde la parte inferior de cada columna tubular (400) está conectada con un resalte inferior (230) que recorre un marco perimetral (110) del fondo del contenedor; - longitudinal vertical walls (200) and transverse vertical walls (300); - a reinforcement between each connection of the longitudinal vertical walls with the transverse vertical walls consisting of a cylindrical tubular column (400), where the bottom of each tubular column (400) is connected with a lower shoulder (230) that runs through a perimeter frame (110) of the bottom of the container;
- un borde perimetral superior (500) que posee un ensanche (520) sobre una porción de las paredes verticales longitudinales (200);  - an upper perimeter edge (500) having an extension (520) on a portion of the longitudinal vertical walls (200);
- al menos un rebaje de fondo (430) ubicado en el fondo (100) del contenedor;  - at least one bottom recess (430) located at the bottom (100) of the container;
b. situar un primer contenedor apoyando el resalte inferior (230) en una superficie; b. place a first container supporting the lower shoulder (230) on a surface;
c. situar un segundo contenedor superior sobre el primer contenedor inferior, disponiendo su resalte inferior (230) dentro del borde perimetral superior (500) del contenedor inferior, contactando la cara exterior del resalte inferior (230) del contenedor superior respectivamente con la cara interior del borde perimetral superior (500) del contenedor inferior. C. placing a second upper container on the first lower container, disposing its lower shoulder (230) within the upper perimeter edge (500) of the lower container, contacting the outer face of the lower shoulder (230) of the upper container respectively with the inner face of the edge upper perimeter (500) of the lower container.
d. apoyar los vértices del marco perimetral (110) del contenedor superior sobre los vértices planos (510) del contenedor inferior. d. support the vertices of the perimeter frame (110) of the upper container on the flat vertices (510) of the lower container.
17. El método según la reivindicación 16, CARACTERIZADO porque comprende transferir los esfuerzos producidos por el peso del contenedor superior mediante el marco perimetral (110) hacia los vértices planos (510) del borde perimetral superior (500). 17. The method according to claim 16, CHARACTERIZED in that it comprises transferring the forces produced by the weight of the upper container by means of the perimeter frame (110) towards the flat vertices (510) of the upper perimeter edge (500).
18. El método según la reivindicación 17, CARACTERIZADO porque comprende distribuir dichos esfuerzos por medio de las columnas tubulares (400) hacia refuerzos verticales (211), a refuerzos horizontales (221) y a nervios (120) del contenedor. 18. The method according to claim 17, CHARACTERIZED in that it comprises distributing said forces by means of tubular columns (400) to vertical reinforcements (211), to horizontal reinforcements (221) and to ribs (120) of the container.
PCT/CL2017/050017 2016-04-12 2017-04-05 Plastic container for storing and transporting agricultural products and method for stacking containers WO2017177347A1 (en)

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CL00856-2016 2016-04-12
CL2016000856A CL2016000856A1 (en) 2016-04-12 2016-04-12 Plastic container for storage and transport of agricultural products; method to stack containers.

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PE20190088A1 (en) 2019-01-14
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EP3456645A4 (en) 2020-03-18
EP3456645A1 (en) 2019-03-20

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