US20210094727A1 - Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage - Google Patents
Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage Download PDFInfo
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- US20210094727A1 US20210094727A1 US16/969,797 US201916969797A US2021094727A1 US 20210094727 A1 US20210094727 A1 US 20210094727A1 US 201916969797 A US201916969797 A US 201916969797A US 2021094727 A1 US2021094727 A1 US 2021094727A1
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- boxes
- box
- pallet
- arrangement
- expanded polystyrene
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- 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
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- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/0088—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
- B65D71/0092—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids
- B65D71/0096—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck provided with one or more rigid supports, at least one dimension of the supports corresponding to a dimension of the load, e.g. skids the dimensions of the supports corresponding to the periphery of the load, e.g. pallets
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- 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
- B65D21/023—Closed containers provided with local cooperating elements in the top and bottom surfaces, e.g. projection and recess
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- 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
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- 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
- B65D21/0217—Containers with a closure presenting stacking elements
- B65D21/0223—Containers with a closure presenting stacking elements the closure and the bottom presenting local co-operating elements, e.g. projections and recesses
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- 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
- B65D21/0235—Containers stackable in a staggered configuration
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- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/02—Arrangements of flexible binders
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- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
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- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
- B65D81/3816—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of foam material
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- 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
- B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
- B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
- B65D2571/00061—Special configuration of the stack
Definitions
- the present invention has application in the transportation and storage industry, in particular in the transport and storage of food such as fresh fish in Expanded Polystyrene containers.
- EPS Expanded Polystyrene
- the boxes are generally loaded in refrigerated trucks that maintain the cold chain or optimum temperature of the product to avoid its decomposition.
- the flow of cold air inside the container must be distributed in such a way as to ensure the necessary temperature required by the products stored in the boxes to avoid thawing.
- the boxes are distributed on the transport deck of the truck in a stacked but independent configuration and interspersed with each other, in order to leave spaces or channels between them that allow the air flow to pass through them.
- a first disadvantage of this configuration relates to the problems associated with the stowage of the boxes, since when they are loose and separated from each other, they are susceptible to displacement due to movements of the truck and therefore to be damaged or even open during transport.
- a second disadvantage is that the current dimensions of the boxes do not allow them to be moved on standard 1.2 m ⁇ 0.8 m pallets, since they would not be fully supported on the pallet, with the risk of damage. This is due to the fact that the length of the traditional boxes exceeds 80 cm and their width exceeds 40 cm, so that the fish transported inside them is fully stretched. This problem is generated especially in the boxes for transporting Chilean salmon, which due to its size (80% of the sizes are in the range of 75-85 cm) requires boxes with sufficient volumes.
- a third disadvantage of the current box configuration is that the horizontal channels formed between boxes do not conduct the cooling air optimally.
- the lower boxes resting on the (generally metallic) surface of the truck are exposed to heat from the outside, such as radiation from the pavement and that generated by the truck's axles themselves. The above causes an undesirable increase in the temperature of the content inside the boxes and therefore the risk that it deteriorates.
- Another objective of the present invention is to improve the transport capacity of products inside the boxes, respecting the traditional sales unit of the market that is, maintaining the cubic capacity of the boxes so as not to affect the processes and logistics of the marketers.
- EPS Expanded Polystyrene
- EPS Expanded Polystyrene
- the boxes have a length in the range between 700 and 800 mm. a width in the range between 300 and 400 mm; and a height comprised in the range between 280 and 350 mm.
- Attribute Value Measure unit Thermal conductivity coefficient 0.033 W/(mK)at 0° C. Maximum thermal conductivity 35 mW/MK
- the change in the dimensions of the proposed box does not affect the product transported inside.
- the reduction in length is offset by the gain in height of the box, allowing the fish to fit in the interior volume with the end of its tail bent.
- the main advantage associated with a reduction in the length and width of the box allows them to be distributed on standard 1.2 m ⁇ 0.8 m pallets, ensuring that the boxes are supported on 100% of their base and allowing an optimal distribution of weight loads.
- the goal is to completely eliminate case breaking, today a serious problem in the industry.
- Another advantage of the configuration proposed is that it allows the assembly of the tower of boxes by means of robots. For this, a space of 6 mm is preferably left between boxes so that the pallets can enter and exit the robot. This separation is considered in the design of the boxes, so that the dimensions of the tower fit exactly with those of the pallet and do not protrude from it.
- the boxes of the lower level remain on a completely isolated surface from the truck floor, avoiding heating and melting of the product.
- the use of this element in combination with the ordering of boxes proposed optimizes the flow of cold air around the boxes, which moves up the tower, then goes down and is returned in its entirety under the EPS pallets, due to the grooves of the truck ramp and the channels formed by the same pallets.
- the load forms a true “product block” or “EPS block” enveloped by cold air, thus generating an enveloping circular flow much more efficient than that passing through the arrangement of boxes separated and supported on the surface of the truck, used today.
- FIGS. 1 to 3 illustrate an arrangement of boxes according to the configuration used in the state of the art.
- FIG. 2 illustrates the problems of state-of-the-art boxes when they are arranged on standard pallets.
- FIG. 3 illustrates the problems of the state of the art box arrangement in terms of refrigeration.
- FIGS. 4 and 5 illustrate the arrangement of boxes proposed by the present invention.
- FIGS. 6 a and 6 b illustrate the flow of cooling air through and around the arrangement proposed by the present invention.
- FIGS. 7 a and 7 b illustrate details of the body of the box proposed by the present invention.
- FIGS. 8 a and 8 b illustrate details of the lid of the box proposed by the present invention.
- FIG. 9 illustrates details of the pallet for transporting boxes of the present invention.
- FIG. 10 illustrates a set of boxes stacked on a pallet according to the present invention.
- the ordering of EPS boxes 10 traditionally used inside refrigerated trucks comprises an arrangement in rows, each of said rows being composed of five boxes, with four of them located in the same longitudinal direction and one at the end in the opposite direction. The end at which the box is located in the opposite direction 11 alternates in each row as illustrated in FIG. 1 b. Furthermore, a transverse space 12 is provided between the boxes that make up each row, which forms a space for air circulation and cooling of the boxes. The ordering of the pallet inside the truck is done manually.
- the ordering proposed in the present invention is a cross stacking with three boxes 10 per row, so that two boxes are arranged-side by side in parallel in the longitudinal direction and the third is arranged perpendicular to the first.
- the tower of boxes formed has 7 rows preferably and the dimensions of the boxes allow them to be accommodated on a standard EPS pallet, as illustrated in FIG. 10 .
- the assembly of the tower of boxes can be fully automated through the use of robots. To do this, a separation 13 is left between boxes (preferably less than 10 mm) so that the pallets of the robot building the tower can enter and exit. Also, said separation 13 is considered in the design of the boxes, so that the dimensions of the tower just match those of the standard pallet.
- FIGS. 6 a and 6 b show an arrangement of 6 towers of boxes 10 each arranged on a pallet 20 on the inner surface 40 of a truck.
- the arrows shown represent the air flow that circulates around the boxes, especially that passing under the boxes, between pallet 20 and the interior surface 40 of the truck.
- FIG. 7 a shows the body 100 of a box according to a preferred embodiment of the invention comprising at least one wall reinforcing body 101 arranged on at least one face of at least one side wall, wherein said wall reinforcing body 101 comprises a wall supporting area 102 arranged towards the opening of the body 100 of the box.
- the body opening 100 comprises a perimeter edge 103 , which corresponds to a connecting edge projecting upward from the opening.
- the body 100 comprises vertical holes 104 towards the four corners of the body, corner posts 105 arranged towards the upper corners of the body 100 and at least one lower recess arranged on the outer face of the body 100 , towards the bottom of the same.
- the base of the box 10 comprises a projected surface 110 having a configuration of stacking recesses and grooves, wherein said stacking grooves 111 are configured to receive stacking projections arranged on the outer face of the top.
- the stacking recesses 112 on the outer face of the bottom make it possible to substantially reduce the weight of the box and, at the same time, increase the resistance of the bottom of the box against impacts.
- the arrangement of the stacking recesses 112 is designed to avoid affecting the thermal insulation properties substantially.
- the arrangement of stacking grooves 111 on the outer face of the bottom of the box and of stacking projections on the outer face of the lid which fit in cooperative way while stacking, favors the cross stacking between boxes proposed in the present invention.
- lower recesses 113 providing a surface for the passage of straps that allow to securing the boxes on the pallet.
- a pair of lower recesses 113 is provided at each lower longitudinal edge of the box.
- the lid 200 of the box comprises upper recesses 213 aligned with the lower recesses of the body of the box and which also have the purpose of allowing the passage of straps. Furthermore, the spatial configuration of the stacking projections 211 of the lid 200 is seen, the latter being complementary with the stacking grooves of the outer face of the bottom of the body, illustrated in FIG. 7 b.
- FIG. 8 b illustrates the details of the lower face of the lid 200 , where it can be seen that it comprises a perimeter groove 203 to receive the perimeter edge of the body of the box.
- the lid 200 also comprises a centrally located arched cross beam 220 that seeks to increase the flexural strength of the cover.
- FIG. 9 shows a preferred configuration of the pallet 20 used to stack the boxes of the present invention. It is preferably constructed of EPS in one single piece and is composed of a horizontal surface 21 and supporting members 22 .
- the pallet preferably has industry standard dimensions, that is, a length of 1.2 m and a width of 0.8 m.
- Each unit of pallet 20 allows boxes to be stacked in rows consisting of 3 boxes.
- the upper face of the pallet has three supporting areas 23 circumscribed by a flange 24 with the shaped of the base of a box and that is configured so that the boxes can be deposited inside, preventing their movement in relation to the pallet.
- the supporting areas 23 have a slight separation between them to create the space that allows the entry of the robot pallets that builds the tower of boxes on the pallet.
- FIG. 10 shows the tower of boxes 10 of the present invention stacked in a cross stacking manner on the pallet 20 and in a preferred 7-row configuration.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Stackable Containers (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Packages (AREA)
Abstract
Description
- The present invention has application in the transportation and storage industry, in particular in the transport and storage of food such as fresh fish in Expanded Polystyrene containers.
- In the food transport and packaging industry, specifically fresh products such as fish, containers or boxes made from Expanded Polystyrene (EPS) are used since the formulation of its resins is free of brominated compounds and contaminating additives.
- For example, in countries like Brazil there is a logistics chain created for the sale of salmon, in which the unit of sale to end customers is a 70-lb box.
- When this type of product is transported to its final destination or point of sale, the boxes are generally loaded in refrigerated trucks that maintain the cold chain or optimum temperature of the product to avoid its decomposition. However, to achieve this, the flow of cold air inside the container must be distributed in such a way as to ensure the necessary temperature required by the products stored in the boxes to avoid thawing.
- In this context and as an example. it has been studied that the respiration heat of fresh salmon is 0 kcal/kg. 24 h. This means that the salmon does not release thermal energy once packed; thus, it is important to prevent heat from entering the box from outside to maintain optimal storage conditions.
- Currently, to achieve these conditions, the boxes are distributed on the transport deck of the truck in a stacked but independent configuration and interspersed with each other, in order to leave spaces or channels between them that allow the air flow to pass through them.
- A first disadvantage of this configuration relates to the problems associated with the stowage of the boxes, since when they are loose and separated from each other, they are susceptible to displacement due to movements of the truck and therefore to be damaged or even open during transport.
- A second disadvantage is that the current dimensions of the boxes do not allow them to be moved on standard 1.2 m×0.8 m pallets, since they would not be fully supported on the pallet, with the risk of damage. This is due to the fact that the length of the traditional boxes exceeds 80 cm and their width exceeds 40 cm, so that the fish transported inside them is fully stretched. This problem is generated especially in the boxes for transporting Chilean salmon, which due to its size (80% of the sizes are in the range of 75-85 cm) requires boxes with sufficient volumes.
- As a result of the aforementioned characteristics, said boxes must be loaded and ordered manually, an operation that entails a high logistical cost, since the pallets must be assembled in the warehouse and then have to be disassembled, with boxes being entered into the truck in units, thus considering a great use of time and human resources.
- A third disadvantage of the current box configuration is that the horizontal channels formed between boxes do not conduct the cooling air optimally. In particular, the lower boxes resting on the (generally metallic) surface of the truck are exposed to heat from the outside, such as radiation from the pavement and that generated by the truck's axles themselves. The above causes an undesirable increase in the temperature of the content inside the boxes and therefore the risk that it deteriorates.
- It is therefore the objective of the present invention to overcome the advantages described above, by means of a box and configuration that allows the transport and storage of fresh food in a more efficient way, facilitating the task of loading and stowing boxes, and at the same time improving their refrigeration conditions.
- Another objective of the present invention is to improve the transport capacity of products inside the boxes, respecting the traditional sales unit of the market that is, maintaining the cubic capacity of the boxes so as not to affect the processes and logistics of the marketers.
- In order to overcome the above-described drawbacks, an arrangement of Expanded Polystyrene (EPS) boxes grouped in a tower on a pallet is first proposed, where said boxes are distributed in at least 7 rows each consisting of three boxes separated from each other by a separation and ordered so that two boxes are arranged next to each other in parallel in the longitudinal direction of the pallet and the third is arranged perpendicular to the first, the box being arranged perpendicularly at one end of the tower which is opposite the end of the top and/or bottom row.
- Second, a box made of Expanded Polystyrene (EPS) is proposed for the transport and storage of food, configured to be stacked on a pallet in an arrangement as described above. The box is composed of a rectangular body having an upper opening and a lid, where the body has a base with stacking grooves and the lid comprises stacking projections.
- It is proposed that the boxes have a length in the range between 700 and 800 mm. a width in the range between 300 and 400 mm; and a height comprised in the range between 280 and 350 mm.
- The specific characteristics of the box according to a preferred embodiment of the invention are detailed below:
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Length Width Height Volume TYPE (mm) (mm) (mm) (l) Outside 797 397 300 95 Inside 741 341 243 81 Attribute Value Measure unit Tolerance Density 19 g/l ±20% Weight 780 Grams ±20% Tolerance of dimensions length, width and height ± 1%. Thickness ± 2% -
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Compression strength (external load for stacking) Maximum load Maximum suggested load Design stress (Kg) (Kg) (Kg) 8122 406 295 Maximum suggested load from the Maximum Load with Safety factor = 2 Bending strength (internal load for product) Maximum load Maximum suggested load Design stress (Kg) (Kg) (Kg) 5974 298.7 32.5 Maximum suggested load from the Maximum Load with Safety factor = 2 -
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Attribute Value Measure unit Thermal conductivity coefficient 0.033 W/(mK)at 0° C. Maximum thermal conductivity 35 mW/MK - From these specifications, a shorter and less wide box is obtained than those used in the state of the art but higher, maintaining the volume and therefore not affecting the storage capacity. This means that the sales unit is kept so as not to affect the processes and the existing logistics chain.
- The change in the dimensions of the proposed box does not affect the product transported inside. For example, in the case of Chilean salmon, the reduction in length is offset by the gain in height of the box, allowing the fish to fit in the interior volume with the end of its tail bent. In this sense, the main advantage associated with a reduction in the length and width of the box allows them to be distributed on standard 1.2 m×0.8 m pallets, ensuring that the boxes are supported on 100% of their base and allowing an optimal distribution of weight loads. The goal is to completely eliminate case breaking, today a serious problem in the industry.
- The table below shows a comparison between the attributes of the current box design and the one proposed here.
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Attribute Current design New design Length (mm) 890 797 Width (mm) 420 397 Height (mm) 257 300 Cubic capacity of the product (pounds) 70 70 Interior volume (liters) 61 61 Units by shipping (units) 680 735 Maximum net load by shipping (kilos) 19,800 20,800 Palletisable in 1.2 m × 0.8 m No Yes Compact load No Yes Air flow favored through lower section No Yes Ramp loading time (minutes) 60 10 - The design of boxes proposed allows them to be loaded and unloaded from trucks directly on a pallet and by means of conventional pallet trucks. With this, optimizing the times and resources for loading and unloading trucks is possible.
- For stacking the boxes, the use of EPS pallets is proposed due to hygiene and thermal insulation issues. On this the boxes are distributed using a Cross Stocking to give the tower rigidity and stability.
- Another advantage of the configuration proposed is that it allows the assembly of the tower of boxes by means of robots. For this, a space of 6 mm is preferably left between boxes so that the pallets can enter and exit the robot. This separation is considered in the design of the boxes, so that the dimensions of the tower fit exactly with those of the pallet and do not protrude from it.
- Thanks to the use of the EPS pallet, the boxes of the lower level remain on a completely isolated surface from the truck floor, avoiding heating and melting of the product. The use of this element in combination with the ordering of boxes proposed optimizes the flow of cold air around the boxes, which moves up the tower, then goes down and is returned in its entirety under the EPS pallets, due to the grooves of the truck ramp and the channels formed by the same pallets.
- In other words, with the proposed configuration, the load forms a true “product block” or “EPS block” enveloped by cold air, thus generating an enveloping circular flow much more efficient than that passing through the arrangement of boxes separated and supported on the surface of the truck, used today.
-
FIGS. 1 to 3 illustrate an arrangement of boxes according to the configuration used in the state of the art. -
FIG. 2 illustrates the problems of state-of-the-art boxes when they are arranged on standard pallets. -
FIG. 3 illustrates the problems of the state of the art box arrangement in terms of refrigeration. -
FIGS. 4 and 5 illustrate the arrangement of boxes proposed by the present invention. -
FIGS. 6a and 6b illustrate the flow of cooling air through and around the arrangement proposed by the present invention. -
FIGS. 7a and 7b illustrate details of the body of the box proposed by the present invention. -
FIGS. 8a and 8b illustrate details of the lid of the box proposed by the present invention. -
FIG. 9 illustrates details of the pallet for transporting boxes of the present invention. -
FIG. 10 illustrates a set of boxes stacked on a pallet according to the present invention. - According to
FIGS 1a and 1 b, the ordering ofEPS boxes 10 traditionally used inside refrigerated trucks comprises an arrangement in rows, each of said rows being composed of five boxes, with four of them located in the same longitudinal direction and one at the end in the opposite direction. The end at which the box is located in theopposite direction 11 alternates in each row as illustrated inFIG. 1 b. Furthermore, atransverse space 12 is provided between the boxes that make up each row, which forms a space for air circulation and cooling of the boxes. The ordering of the pallet inside the truck is done manually. - Traditional boxes such as those illustrated in
FIGS. 1 to 3 are 890 cm long, 420 cm wide and 257 cm high, which dimensions prevent them from being distributed on astandard EPS pallet 20, as illustrated inFIG. 2 , which is why they must be placed manually on the floor of the truck, as shown inFIG. 3 . Additionally and as seen in said Figure, there is the disadvantage that the boxes are located in the lower row and that are in contact with the truck's surface of thefloor 30, they are subject to the heat radiated by the truck itself and/or the pavement. which affects the integrity of the products contained therein. - According to
FIG. 4 , the ordering proposed in the present invention is a cross stacking with threeboxes 10 per row, so that two boxes are arranged-side by side in parallel in the longitudinal direction and the third is arranged perpendicular to the first. The box arranged perpendicularly alternates in each row between each end of the tower. - The tower of boxes formed has 7 rows preferably and the dimensions of the boxes allow them to be accommodated on a standard EPS pallet, as illustrated in
FIG. 10 . In addition, the assembly of the tower of boxes can be fully automated through the use of robots. To do this, aseparation 13 is left between boxes (preferably less than 10 mm) so that the pallets of the robot building the tower can enter and exit. Also, saidseparation 13 is considered in the design of the boxes, so that the dimensions of the tower just match those of the standard pallet. -
FIGS. 6a and 6b show an arrangement of 6 towers ofboxes 10 each arranged on apallet 20 on the inner surface 40 of a truck. The arrows shown represent the air flow that circulates around the boxes, especially that passing under the boxes, betweenpallet 20 and the interior surface 40 of the truck. -
FIG. 7a shows thebody 100 of a box according to a preferred embodiment of the invention comprising at least onewall reinforcing body 101 arranged on at least one face of at least one side wall, wherein saidwall reinforcing body 101 comprises awall supporting area 102 arranged towards the opening of thebody 100 of the box. Furthermore, thebody opening 100 comprises aperimeter edge 103, which corresponds to a connecting edge projecting upward from the opening. On the other hand, it can be seen that thebody 100 comprisesvertical holes 104 towards the four corners of the body, corner posts 105 arranged towards the upper corners of thebody 100 and at least one lower recess arranged on the outer face of thebody 100, towards the bottom of the same. - According to
FIG. 7 b, the base of thebox 10 comprises a projectedsurface 110 having a configuration of stacking recesses and grooves, wherein said stackinggrooves 111 are configured to receive stacking projections arranged on the outer face of the top. For their part, the stackingrecesses 112 on the outer face of the bottom make it possible to substantially reduce the weight of the box and, at the same time, increase the resistance of the bottom of the box against impacts. Furthermore, the arrangement of the stackingrecesses 112 is designed to avoid affecting the thermal insulation properties substantially. Additionally, the arrangement of stackinggrooves 111 on the outer face of the bottom of the box and of stacking projections on the outer face of the lid, which fit in cooperative way while stacking, favors the cross stacking between boxes proposed in the present invention. - Finally, on the lower edges of the bottom of the box, there are
lower recesses 113 providing a surface for the passage of straps that allow to securing the boxes on the pallet. Preferably a pair oflower recesses 113 is provided at each lower longitudinal edge of the box. - In
FIG. 8a it is shown that thelid 200 of the box comprisesupper recesses 213 aligned with the lower recesses of the body of the box and which also have the purpose of allowing the passage of straps. Furthermore, the spatial configuration of the stackingprojections 211 of thelid 200 is seen, the latter being complementary with the stacking grooves of the outer face of the bottom of the body, illustrated inFIG. 7 b. - In addition,
FIG. 8b illustrates the details of the lower face of thelid 200, where it can be seen that it comprises aperimeter groove 203 to receive the perimeter edge of the body of the box. Thelid 200 also comprises a centrally locatedarched cross beam 220 that seeks to increase the flexural strength of the cover. -
FIG. 9 shows a preferred configuration of thepallet 20 used to stack the boxes of the present invention. It is preferably constructed of EPS in one single piece and is composed of ahorizontal surface 21 and supportingmembers 22. The pallet preferably has industry standard dimensions, that is, a length of 1.2 m and a width of 0.8 m. - Each unit of
pallet 20 allows boxes to be stacked in rows consisting of 3 boxes. For this, the upper face of the pallet has three supportingareas 23 circumscribed by aflange 24 with the shaped of the base of a box and that is configured so that the boxes can be deposited inside, preventing their movement in relation to the pallet. Furthermore, the supportingareas 23 have a slight separation between them to create the space that allows the entry of the robot pallets that builds the tower of boxes on the pallet. - Finally,
FIG. 10 shows the tower ofboxes 10 of the present invention stacked in a cross stacking manner on thepallet 20 and in a preferred 7-row configuration.
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/969,797 US20210094727A1 (en) | 2018-02-13 | 2019-02-13 | Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862629794P | 2018-02-13 | 2018-02-13 | |
PCT/CL2019/050010 WO2019157607A1 (en) | 2018-02-13 | 2019-02-13 | Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage |
US16/969,797 US20210094727A1 (en) | 2018-02-13 | 2019-02-13 | Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage |
Publications (1)
Publication Number | Publication Date |
---|---|
US20210094727A1 true US20210094727A1 (en) | 2021-04-01 |
Family
ID=67619761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/969,797 Abandoned US20210094727A1 (en) | 2018-02-13 | 2019-02-13 | Arrangement of expanded polystyrene boxes and expanded polystyrene box for food transport and storage |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210094727A1 (en) |
CN (1) | CN112203945A (en) |
AR (1) | AR114107A1 (en) |
BR (1) | BR112020016417A2 (en) |
CA (1) | CA3092409A1 (en) |
CL (2) | CL2020000125A1 (en) |
NO (1) | NO20200958A1 (en) |
WO (1) | WO2019157607A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113511407A (en) * | 2021-05-14 | 2021-10-19 | 湖北联玉新材料科技有限公司 | Food fresh-keeping transport case for commodity circulation |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022032404A1 (en) * | 2020-08-13 | 2022-02-17 | Envases Chiloe S.A. | Arrangement of expanded polystyrene (eps) boxes grouped in a tower on a pallet |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113511407A (en) * | 2021-05-14 | 2021-10-19 | 湖北联玉新材料科技有限公司 | Food fresh-keeping transport case for commodity circulation |
Also Published As
Publication number | Publication date |
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CA3092409A1 (en) | 2019-08-22 |
AR114107A1 (en) | 2020-07-22 |
NO20200958A1 (en) | 2020-09-03 |
WO2019157607A1 (en) | 2019-08-22 |
BR112020016417A2 (en) | 2020-12-15 |
CN112203945A (en) | 2021-01-08 |
CL2020003440A1 (en) | 2021-07-19 |
CL2020000125A1 (en) | 2020-07-24 |
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