(19)
(11) EP 4 538 192 A1

(12) EUROPEAN PATENT APPLICATION

(43) Date of publication:
16.04.2025 Bulletin 2025/16

(21) Application number: 24205544.0

(22) Date of filing: 09.10.2024
(51) International Patent Classification (IPC): 
B65D 5/54(2006.01)
B65D 5/66(2006.01)
(52) Cooperative Patent Classification (CPC):
B65D 5/6667; B65D 5/546; B65D 2215/02
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 09.10.2023 ES 202331799 U

(71) Applicant: Cartonajes Bernabeu, S.A.U.
46850 L'Olleria (Valencia) (ES)

(72) Inventor:
  • BERNABEU GRAMAJE, Antonio
    46850 L'Olleria (Valencia) (ES)

(74) Representative: Ungria López, Javier 
Avda. Ramón y Cajal, 78
28043 Madrid
28043 Madrid (ES)

   


(54) CONTAINER


(57) The present invention relates to a container for storing products, comprising a container body and a lid, wherein the container is configured from an extended flat sheet, on which successive die-cutting and bending operations are performed, thus obtaining the configuration of the different elements of the container. Furthermore, the container of the invention comprises a safety fastening, configured from the interaction of several elements of the container body and the lid, which allow for a safer fastening. The present invention finds special application in the field of the industry related to packaging, in particular cardboard containers formed from an extended flat sheet, which incorporate a safety fastening in their configuration.




Description

OBJECT OF THE INVENTION



[0001] The present invention relates to a container for storing products, comprising a container body and a lid, wherein the container is configured from an extended flat sheet, on which successive die-cutting and bending operations are performed, thus obtaining the configuration of the different elements of the container.

[0002] Furthermore, the container of the invention comprises a safety fastening, configured from the interaction of several elements of the container body and the lid, which allow for a safer fastening.

[0003] The present invention finds special application in the field of the industry related to packaging, in particular cardboard containers formed from an extended flat sheet, which incorporate a safety fastening in their configuration.

BACKGROUND OF THE INVENTION AND TECHNICAL PROBLEM TO SOLVE



[0004] A variety of containers for storing products are known in the current state of the art. In the case of containers used for marketing products, they are often made of plastic, so that access to the product therein is more complicated and the fastening itself can be an obstruction to its opening.

[0005] This type of container, despite being safer, is no longer used, with the focus being on the environmental problems it causes and the difficulty regarding its recycling.

[0006] The alternative is being produced with containers made of cardboard, which, although less practical than plastic ones, especially in terms of strength and safety, solve the environmental problem. Thus, the evolution of developments that are being presented in cardboard containers is focussed on providing strength to the packaging and also safety mechanisms for closing the container.

[0007] On the one hand, containers such as that which is disclosed in document ES 2932508 are known. Said document discloses a commodity product in turn comprising a container, particularly a box, which allows the housing of elements and their transportation, as well as the stacking of said boxes, based on the box configuration described throughout said document.

[0008] Currently, cardboard packaging such as that represented by Community Design 005810173 is also known, which, as can be seen, incorporates safety fastenings configured by L-shaped notches. Said notches are located on the inside of the lid of the cardboard container.

[0009] The aforementioned notches interact with the edges of the flaps or tabs that are located on the lateral walls and that are deployed outwards. Said flaps can be pressed by the user, taking advantage of holes or windows in the lid, to thus unlock said lid and allow the container to be opened as many times as necessary.

[0010] Likewise, document ES-1289869_U discloses a cardboard container of the aforementioned type, developed from a flat cardboard sheet, which has a configuration with a rectangular base and four lateral walls that come out of the base, forming the container. In addition, a sixth face acts as a lid, comprising protrusions on the edges so that, when closing the lid, the protrusions cover the upper edges of the container and create a more forceful fastening by overlapping. Said protrusions are configured in the form of flaps or tabs.

[0011] With this configuration of the container with lid, the safety fastening of the container is carried out as follows.

[0012] Each of the smaller sides has a tab at the free end that folds outwards. These tabs are intended to fit into holes made in the smaller protrusions of the lid so that, when closing the lid, the tabs will flex into the holes and cause the lid to remain closed and to only be opened if these tabs are pressed through the holes.

[0013] However, this container presents a series of drawbacks that are not resolved in the current state of the art, such as:
  • the resistance against deformation is not high. The cardboard used to make the container is compact and thin, so when the container has to be opened by pressing on the opposite sides, the container becomes deformed, which ends up affecting its general appearance;
  • the tabs are made of the same sheet metal as the container, so they are very thin and do not provide a good retention of the lid;


[0014] The present invention aims to solve these problems, which are not resolved in the current state of the art by means of a container that is described below.

DESCRIPTION OF THE INVENTION



[0015] In order to achieve the aforementioned objectives and avoid the drawbacks, such that it allows a safer fastening of a container configured for packaging and storing products therein, as well as a more rigid and robust structure, based on the elements that make up said container.

[0016] Thus, the first inventive aspect is aimed at a container for packaging products, configured from an extended flat sheet, characterised in that the container comprises:
  • a container body, and
  • a lid.


[0017] In particular, the container object of the present invention is configured from two elements, inside of which the corresponding products are stored.

[0018] Both the container body and the lid, which when coupled together make up said container, are obtained through folding and/or bending operations, as well as attachment operations, of the elements that make up an extended flat sheet. In a particular embodiment, the extended flat sheet has been previously configured from die-cutting operations.

[0019] In a particular embodiment, the container body and the lid are obtained from the same extended flat sheet, the lid thus always remaining attached to the container body.

[0020] In a particular embodiment, the extended flat sheet is made of cardboard.

[0021] Additionally, according to this first inventive aspect, the container body of the container comprises:
  • a bottom, comprised in a perimeter delimited by at least four straight lower edges,
  • a front wall, coupled to a lower edge of the bottom and comprised in a perimeter delimited by at least four straight front edges, wherein a front edge coincides with the lower edge of the bottom to which the front wall is coupled, wherein said front wall in turn comprises:
    • at least two first front reinforcements,

      each being comprised in a perimeter delimited by at least four straight front reinforcement edges, and

      each of said first front reinforcements being coupled to a corresponding front edge, perpendicular to the front edge coinciding with the lower edge of the bottom,

      wherein a front reinforcement edge is coincident with the front edge of the front wall to which said first front reinforcement is coupled, and

    • at least two flaps, each located:

      either coupled to the front edge of the front wall opposite to the front edge coinciding with the lower edge of the bottom, and extending perpendicular to said front edge of the front wall,

      or coupled to the front reinforcement edge of a first front reinforcement perpendicular to the front reinforcement edge coinciding with the front edge of the front wall, and extending perpendicular to said front reinforcement edge of the first front reinforcement on the surface on which said first front reinforcement extends,

      or coupled to the front reinforcement edge of a first front reinforcement perpendicular to the front reinforcement edge coinciding with the front edge of the front wall, and extending perpendicular to said front reinforcement edge of the first front reinforcement towards the direction opposite to the direction in which said first front reinforcement extends,

  • a rear wall, coupled to the lower edge of the bottom opposite to the lower edge of the bottom where the front wall is coupled, and said rear wall comprised in a perimeter delimited by at least four straight rear edges, wherein a rear edge is coincident with the lower edge of the bottom to which the rear wall is coupled, and
  • at least two lateral walls, each of them comprised in a perimeter delimited by at least four straight lateral edges,

    each of said lateral walls being coupled to a corresponding rear edge, perpendicular to the rear edge coinciding with the lower edge of the bottom where the rear wall is coupled,

    wherein a lateral edge of each lateral wall is coincident with the rear edge of the rear wall to which said lateral wall is coupled,

    wherein the bottom, the front wall, the rear wall and the at least two lateral walls of the container body form an internal cavity configured to house products.



[0022] In this way, by configuring several sections, an extended flat sheet allows a container body to be obtained by assembly which defines an internal cavity for packaging products with a suitable rigidity for better storage, as well as a safer fastening. Said sections are the bottom, the front and rear walls, and the lateral walls.

[0023] In this way, the bottom of the container body allows, in an operative situation, i.e., once the container body is assembled, to configure a base of said internal cavity, while the arrangement of the front and rear walls, as well as the lateral walls, allows the walls of said container body to be generated, arranged around the bottom, which define the height or bottom of said internal cavity of the container body.

[0024] Both the bottom and the front wall, the rear wall and the lateral walls are defined in specific spaces. Particularly, its perimeter is delimited by a series of edges that determine its extension.

[0025] Moreover, the front wall is configured from a surface of the extended flat sheet, remaining in an operative situation in a position essentially perpendicular to the bottom, and joined thereto by a common edge.

[0026] Additionally, the front wall comprises a first front reinforcement on each of its sides, which in an operative situation is at least partially superimposed on a corresponding lateral wall.

[0027] In other words, each first front reinforcement, in an operative situation of the container, is folded so that its position is essentially perpendicular to the front wall, and at least partially overlaps the corresponding lateral wall.

[0028] Advantageously, this allows the lateral walls of the container body to comprise, at least to a partial extent, a double thickness which stiffens the structure of said container body.

[0029] In a particular embodiment, at least one first front reinforcement completely overlaps the corresponding lateral wall in the container body.

[0030] Likewise, the front wall also comprises at least two flaps, configured to interact with additional elements of the container and obtain a more efficient fastening of said container.

[0031] In particular, the flaps allow a safety fastening system to be configured for the container, so that the interaction of the flaps with the structure of the container advantageously allows a better fit of the container in the closed position in an operative situation, which in turn advantageously allows a better preservation of the products stored in the internal cavity of the container.

[0032] Each of the flaps can be configured according to any of the following alternatives:
In a first alternative, at least one flap is coupled to a front edge of the front wall, in particular said front edge being the opposite to the front edge that allows the joining between the front wall and the bottom, which in turn coincides with a bottom edge.

[0033] This flap extends as a projection in a direction perpendicular to said front edge, the surface of the flap thus being extended either next to the front wall, on the side opposite to the side of the front wall that is coupled with the bottom, i.e., extended in the direction opposite to the direction in which the bottom extends, or comprised in the surface forming said front wall.

[0034] In an operative situation of the container, the flaps attached to the front edge of the front wall are parallel and coplanar to said front wall.

[0035] In a second alternative, at least one flap is coupled to the front reinforcement edge of a first front reinforcement. In particular, said front reinforcement edge is the edge perpendicular to the front reinforcement edge that coincides with the front edge of the front wall by means of which it is attached thereto, such that in this case at least one flap is parallel and coplanar with the first front reinforcement and, therefore, perpendicular to the front wall.

[0036] Additionally, this second alternative for positioning the flap allows for two additional alternatives for configuring said flap in relation to said first front reinforcement.

[0037] First, the flap extends over the surface of the first front reinforcement itself.

[0038] In a particular embodiment, the flap is configured by means of a die of the material forming the first front reinforcement. In other words, the surface of the flap is obtained directly from the surface of the first front reinforcement, by means of die-cutting and folding operations of said surface portion of the first front reinforcement.

[0039] Secondly, the flap extends in the direction opposite to the direction in which the first front reinforcement extends, such that said first front reinforcement comprises an attached projection configured by means of the flap.

[0040] In a particular embodiment, the flap extending in the direction opposite to the direction in which the first front reinforcement extends is folded such that, in an operative situation of the container, it is extended over the first front reinforcement.

[0041] In an operative situation of the container, the flaps attached to the front reinforcement edge of the first front reinforcement are parallel and coplanar to said first front reinforcement.

[0042] Additionally, the container body also comprises a rear wall, configured from a surface of the extended flat sheet, remaining in an operative position essentially perpendicular to the bottom, and joined thereto by a common edge.

[0043] Moreover, the container body also comprises at least two lateral walls, located on opposite sides of the rear wall and attached to said rear wall through a common and coinciding edge.

[0044] In a particular embodiment, the lower edges and/or the front edges and/or the front reinforcement edges and/or the rear edges and/or the lateral edges of the bottom, the front wall, the first front reinforcement, the rear wall and the lateral walls of the container body, respectively, comprise folding lines. In other words, said edges allow the sections of the flat sheet to be folded more adequately for the configuration of the container body, allowing a more efficient folding of each section and thus ensuring the position of each element during assembly.

[0045] In this way, each of the sections of the extended flat sheet is folded by its respective edges so that together they form a container body, preferably a prismatic container body.

[0046] In a particular embodiment, the container is parallelepiped, comprising four faces joined together: two lateral walls, a front wall and a rear wall, said volume being closed on one side by the bottom, which is located perpendicular to the indicated walls.

[0047] Additionally, the extended flat sheet has additional attached sections that advantageously allow the formation of sections for the definition of an additional element, a lid, which allows the space formed by the internal cavity of the container body to be closed, the joining of these two elements thus forming the container object of the first inventive aspect.

[0048] Thus, the lid of the container according to this first inventive aspect comprises:
  • a base coupled to a rear edge of the rear wall and comprised within a perimeter delimited by at least four straight base edges,
    wherein a base edge is coincident with the rear edge of the rear wall opposite to that which said rear wall is coupled to at the bottom,
  • at least two lateral faces, each comprised in a perimeter delimited by at least four straight lateral edges of the lid,
    each of the lateral faces being coupled to a corresponding base edge, perpendicular to the base edge coinciding with the rear edge of the rear wall to which the base is coupled,
  • a front face, coupled to the base edge opposite to the base edge coinciding with the rear edge and comprised in a perimeter delimited by at least four straight front edges of the lid,

    wherein a front edge of the lid is coincident with the base edge opposite to the base edge to which the rear wall is coupled, and

    wherein the front face further comprises at least two front retainers, each of said front retainers being coupled to a front edge of the lid perpendicular to the front edge of the lid that coincides with the base edge to which said front face is coupled,

  • at least two holes, each located:
    • either on the lateral face of the lid,
    • or on the front face of the lid,

    and each being coplanar and coinciding with a flap,

    wherein the lid is configured to be positioned coincidentally on the body of the container, substantially parallel to the bottom and substantially perpendicular to the at least two lateral walls, covering the internal cavity of the container body such that the container is closed,

    wherein each flap of the front wall of the container body is coplanar and coincident with the front face of the lid and/or with a corresponding lateral face of the lid and/or with a corresponding front retainer of the front face of the lid and/or with a first front reinforcement of the container body and/or with the front wall of the container body.



[0049] In particular, the lid is configured from the extended flat sheet portion corresponding to the elements of said lid. In particular, the configuration of various sections of the extended flat sheet allows obtaining, by assembly, i.e., by means of folding and attachment operations, a lid configured to either cover the internal cavity of the container body or allow access to said inner cavity, with a suitable rigidity for a better fit with the container body, as well as a safer fastening.

[0050] These sections of the extended flat sheet are the base, the lateral faces and the front face.

[0051] Advantageously, in an operative situation the lid is attached to the container body without detaching. In a first closed position, the lid covers the internal cavity and is in direct contact with the container body, in particular with the front wall and with the first front reinforcements and/or the first front reinforcements and the lateral walls.

[0052] This configuration allows the container, configured from the joining of the container body and the lid, to be in an operative situation in one of the following extreme positions:
  • closed position, where the lid is located completely coincident on the container body and fitted therein, such that the base of the lid is supported by the front wall and the lateral walls of the container body, thus covering the internal cavity, the lid partially embracing the container body, and
  • open position, where the lid is removed from the internal cavity, and therefore removed from the front and lateral walls, such that the base of the lid is substantially parallel to the rear wall of the container body.


[0053] An intermediate position between both is possible, this being considered to be a semi-open position.

[0054] In any of the positions, the lid is joined to the container body at least by means of the base of the lid and the rear wall of the container body, in particular by means of the base edge and the rear edge which are coincident.

[0055] Advantageously, this allows that, once the structure of the container body is obtained after its assembly, it has sufficient rigidity to act as a support for the lid as well as to maintain any of its positions, extreme or intermediate.

[0056] The base, front face and lateral faces of the lid are defined in specific spaces. Particularly, its perimeter is delimited by a series of edges that determine its extension.

[0057] In particular, the base of the lid is configured from a surface of the extended flat sheet, remaining in an operative position joined to the rear wall of the container body by means of a base edge, common with a rear edge, these being coincident.

[0058] The base of the lid is also in an operative situation in the following position:
  • closed position: essentially perpendicular to the front, rear and lateral walls of the container body and essentially parallel to the bottom thereof, and
  • open position: essentially parallel to the front, rear and lateral walls of the container body and essentially perpendicular to the bottom thereof.


[0059] Additionally, the base of the lid comprises at least two lateral faces, each coupled to said base through a lateral edge of the lid, coinciding with a base edge, which is in turn perpendicular to the base edge that allows the coupling of the base with the rear wall of the container body.

[0060] In the closed position of the container, the lateral faces of the lid overlap the lateral walls and/or first front reinforcements of the container body.

[0061] In a particular embodiment, at least one lateral face of the lid comprises:
  • a seal, coupled to said lateral face, and
  • an attachment element, coupled to said seal,
wherein the attachment element is configured for being joined to the corresponding lateral wall of the container body, keeping the container in a closed position until its first opening, and wherein the seal is configured to be detached, together with the attachment element, from the lateral face of the lid allowing the container to be opened.

[0062] Advantageously, this allows the container to be sealed in the closed position until its first use, providing a safer fastening.

[0063] Additionally, opening the seal is easy for a user, only requiring the removal of the seal and attachment element together to release the movement of the lid.

[0064] In a particular embodiment, the seal is a pre-cut section of material, which can be detached from the lateral face of the lid by exerting a force on the cutting line, or pre-cut section.

[0065] Likewise, the lid also comprises a front face, configured from a surface of the extended flat sheet coupled to the base of the lid by means of a front edge of the lid coinciding with and common to a base edge, the latter being opposite to the base edge by means of which the base of the lid is coupled to the rear wall of the container body.

[0066] Therefore, the front face of the lid is, in an operative situation, in a position essentially parallel to the front wall and superimposed thereto when in the closed position, and perpendicular to the front wall and the rear wall when in the open position.

[0067] The semi-open positions of the lid are configured by rotating a certain value of the angle α, formed by the base of the lid and the rear wall of the container body, said value of the angle α being comprised between:

∝= 0° being the angle corresponding to the open position and ∝= 90° being the angle corresponding to the closed position.

[0068] Additionally, the front face comprises a front retainer on each of its sides, i.e., a front retainer for each flap of the container body. In an operative situation, each front retainer is in a position that at least partially coincides with the position of the corresponding flap of the container body.

[0069] In other words, each front retainer, in an operative situation of the container, is attached to the front wall through a front edge of the lid, in particular, a front edge of the lid perpendicular to the front edge of the lid that coincides with the base edge that allows the coupling between the front face and the base of the lid.

[0070] Each front retainer, in an operative situation, is folded and superimposed on the corresponding lateral face of the lid, in particular, on the internal side of the lid which corresponds, in an operative situation, to the internal cavity of the container body.

[0071] In the closed position of the lid, the position of each front retainer is in contact with the corresponding flap of the container body, without overlapping the same. In this way, the ends of the flap and the front retainer are in contact, thus generating interference between them.

[0072] Advantageously, the interaction between a flap and a front retainer through interference of their ends allows a safer safety fastening of the container in an operative situation, avoiding the loss of product, as well as the entry of external elements into the internal cavity.

[0073] Said interference generates the need to apply a force on one of the elements in contact, preferably on the flap, to release the contact between elements and, therefore, the interference between the flap and the front retainer, thus releasing the safety lock and the closed position of the container.

[0074] In a particular embodiment, the front face of the lid further comprises at least one first lid reinforcement, coupled to a front edge of the lid opposite to the front edge of the lid coinciding with the base edge where the base of the lid is coupled, where the at least one first lid reinforcement is configured to reinforce the front face of the lid from the inner cavity.

[0075] Additionally, the lid further comprises at least two holes, located either on the lateral face of the lid or on the front face of the lid, depending on the position of the corresponding flap of the container body.

[0076] In this way, each hole in the lid is coplanar and coincident with a flap of the container body, each hole being configured to allow access to the flap therethrough.

[0077] In a particular embodiment, the hole is a through hole and is configured to allow direct access to the corresponding flap.

[0078] In a particular embodiment, at least one hole in the lid has a square, elliptical or circular cross section, which advantageously allows a better access of the user to the flap, and therefore a better position for releasing the safety fastening configured by the interaction of the flap and front retainer.

[0079] Therefore, depending on the position (open or closed) of the container and the configuration thereof, each flap of the front wall of the container body is coplanar and coincident with at least one of the following:
  • a front face of the lid, and/or
  • a corresponding lateral face of the lid and/or
  • a corresponding front retainer of the front face of the lid and/or
  • a first front reinforcement of the container body and/or with the front wall of the container body.


[0080] In a particular embodiment, the front wall of the container body further comprises at least one second front reinforcement, wherein said at least one second front reinforcement:
  • is coupled to the front edge opposite to the front edge of the front wall coinciding with the lower edge of the bottom, and extends perpendicular to said front edge towards the direction opposite to the direction in which said front wall extends, or
  • is coupled to the front reinforcement edge of a first front reinforcement perpendicular to the front reinforcement edge coinciding with the front edge of the front wall, and extends perpendicular to said front reinforcement edge of the first front reinforcement towards the direction opposite to the direction in which said first front reinforcement extends,
wherein the at least one second front reinforcement is configured to reinforce the front wall and/or the first front reinforcement from the inner cavity.

[0081] Therefore, in an operative situation of the container, the second front reinforcement is folded and attached to the front wall on the internal side, i.e., on the side corresponding to the internal cavity.

[0082] This advantageously allows for greater rigidity of said front wall and therefore a more robust structure of the container body.

[0083] In a particular embodiment, the second front reinforcement extends along the perimeter around the front wall and the first two front reinforcements, which allows for a greater rigidity of the entire structure of the container body, as the rib or reinforcement is distributed along the perimeter substantially throughout the entire perimeter of said container body, except for the rear wall.

[0084] In a particular embodiment, the second front reinforcement is joined to the front wall and/or the lateral walls by means of joining means, preferably adhesive means.

[0085] In a particular embodiment, the bottom of the container body also comprises at least two first auxiliary reinforcements, wherein each of said first auxiliary reinforcements is coupled to a lower edge of the bottom perpendicular to the lower edge that coincides with the front edge to which the front wall is coupled, and where each first auxiliary reinforcement is configured to reinforce either the bottom or a lateral wall of the container body.

[0086] Advantageously, the first auxiliary reinforcements make it possible, by folding the same onto the bottom or onto one of the lateral walls of the container body, to provide rigidity to the structure of said container in an operative situation.

[0087] In a particular embodiment, at least one of the flaps comprises:
  • a first portion, coupled either to the first front reinforcement or to the front wall, and
  • a second portion, coupled to the first portion, configured to increase the extension area in contact with the corresponding front retainer of the lid.


[0088] This advantageously allows the surface area of the flap to be increased, so that its interaction with the lateral face of the lid in the closed position of the container is greater, resulting in a greater friction.

BRIEF DESCRIPTION OF THE DRAWINGS



[0089] To complete the description of the invention, and for the purpose of helping to make the features thereof more readily understandable, according to a preferred exemplary embodiments thereof, a set of drawings is included wherein, by way of illustration and not limitation, the following figures have been represented:
  • Figure 1A shows a plan view of an extended flat sheet for forming a container according to a first exemplary embodiment.
  • Figure 1B shows a plan view of an extended flat sheet for forming a container according to a second exemplary embodiment.
  • Figure 2 shows a plan view of an extended flat sheet for forming a container according to a third exemplary embodiment.
  • Figure 3A shows a plan view of an extended flat sheet for forming a container according to a fourth exemplary embodiment.
  • Figure 3B shows a plan view of an extended flat sheet for forming a container according to a fifth exemplary embodiment.
  • Figure 3C shows a plan view of an extended flat sheet for forming a container according to a sixth exemplary embodiment.
  • Figure 3D shows a plan view of an extended flat sheet for forming a container according to a seventh exemplary embodiment.
  • Figure 4 shows a plan view of an extended flat sheet for forming a container according to an eighth exemplary embodiment.
  • Figure 5A shows a front perspective view of the container formed by the extended flat sheet shown in figure 1A.
  • Figure 5B shows a rear perspective view of the container shown in figure 5A.

DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION



[0090] The present invention relates to a container, in particular a cardboard container, made from an extended flat sheet, in particular of cardboard.

[0091] The configuration of said extended flat sheet based on its sections and folding lines or common edges between sections allows forming a container, which is made up of a container body and a lid. All the exemplary embodiments of the present figures show an extended flat sheet, and therefore a container, that is symmetrical with respect to an axis of symmetry, said axis of symmetry being horizontal with respect to the orientation of figures 1A - 4 and vertical with respect to the orientation of figures 5A - 5B.

[0092] Figure 1A shows a plan view of an extended flat sheet (L) for forming a container according to a first exemplary embodiment.

[0093] As can be seen, the extended flat sheet (L) is symmetrical with respect to its main longitudinal direction.

[0094] Said extended flat sheet (L) comprises the sections corresponding to both the container body (CC) and the lid (5), which by means of an assembly through bending and/or folding operations and, preferably, attachment steps by means of attachment means, provides a configured container (C).

[0095] The extended flat sheet (L) has an internal face and an external face, corresponding to the internal and external faces of the container (C), the internal face of the container (C) being the one corresponding to the internal cavity and the external face of the container (C) being the face opposite to said internal face.

[0096] As shown in Figure 1A, the extended flat sheet (L) comprises a bottom (1), and two first auxiliary reinforcements (1.1), which in an operative situation are located above said bottom (1), within the internal cavity of the container body (CC).

[0097] The first two auxiliary reinforcements (1.1) are coupled to the bottom (1) by a common edge, each located on an opposite side of the bottom (1) according to a main direction transversal to the main longitudinal direction.

[0098] Likewise, the bottom (1) is coupled to a front wall (2) and a rear wall (3), on both opposite sides and contrary to the sides where the first two auxiliary reinforcements (1.1) are located.

[0099] Moreover, the front wall (2) comprises two first front reinforcements (2.1), located, in a manner analogous to the first two auxiliary reinforcements (1.1), each on an opposite side of the front wall (2) according to the main direction transversal to the main longitudinal direction.

[0100] Each of said first two front reinforcements (2.1) is coupled to the front wall (2) through a common edge with the same.

[0101] Additionally, the front wall (2) also comprises a second front reinforcement (2.3), which is folded over the common edge by which it is coupled to the front wall (2) towards the inner cavity, thus remaining parallel to the front wall (2) and acting as a structural reinforcement thereof.

[0102] Finally, the front wall also comprises two symmetrical flaps (2.2), which in turn comprise a first portion (2.2.1) and a second portion (2.2.2).

[0103] In particular, the first portion (2.2.1) of each flap (2.2) is coupled, by means of a common edge, to the corresponding first front reinforcement (2.1) on each side.

[0104] In an operative condition, the second portion (2.2.2) is folded onto the first portion (2.2.1) around their common edge, by means of which they are coupled together, generating a double-thickness flap (2.2).

[0105] As indicated, the rear wall (3) is also coupled to the bottom (1), and two lateral walls (4) are also coupled to said rear wall (3), on both sides of said rear wall (3), being coplanar and consecutive to the first two auxiliary reinforcements (1.1).

[0106] In an operative situation, each of the first two front reinforcements (2.1) overlaps the corresponding lateral wall (4), embracing said lateral walls (4) and covering them completely.

[0107] Moreover, the sections corresponding to the lid (5) of the container (C) are located on the same extended flat sheet (L), joined through a common edge with the rear wall (3).

[0108] Thus, once the lid (5) is configured, it is positioned on the container body (CC) by rotating said lid (5) around the common edge with the rear wall (3).

[0109] In particular, the extended flat sheet (L) of figure 1A shows a base (5.1) joined to the rear wall (3) through the aforementioned common edge.

[0110] On the sides of said base (5.1) there is, on one side and according to the main longitudinal direction, the rear wall, and on the opposite side according to said main longitudinal direction, a front face (5.3) of the lid (5) and this in turn, according to the same main longitudinal direction, a first lid reinforcement (5.5).

[0111] On both opposite and perpendicular sides, according to the main direction transversal to the main longitudinal direction, there are two lateral faces (5.2) of the lid (5).

[0112] Each of said lateral faces (5.2) in turn comprises a through hole (5.4) having an elliptical geometry, as well as next thereto, and according to the main direction transversal to the main longitudinal direction, a seal (5.2.2) and an attachment element (5.2.3).

[0113] Additionally, the front face (5.3) comprises, according to the main direction transversal to the main longitudinal direction, a front retainer (5.3.1) on each side.

[0114] In an operative situation, the base (5.1) of the lid (5) covers the internal cavity, while the lateral faces (5.2) are positioned on the lateral walls (4) and the first front reinforcements (2.1), such that the holes (5.4) are located over the flaps (2.2) in a corresponding manner and these in turn are aligned and in contact with the corresponding front retainers (5.3.1).

[0115] In this way, in an operative situation, each flap (2.2) is accessible from the hole (5.4), which allows said flap (2.2) to be pressed and released from its contact with the front retainer (5.3.1), thus releasing the closed position of the container (C).

[0116] Figure 1B shows a plan view of an extended flat sheet (L) for forming a container according to a second exemplary embodiment, common with the example shown in figure 1A except for the fact that the first reinforcement (5.5) of the lid (5) also extends over each of the front retainers (5.3.1).

[0117] Figure 2 shows a plan view of an extended flat sheet (L) for forming a container according to a third exemplary embodiment, which comprises many elements common to the previous examples.

[0118] However, in this case, the absence of the first reinforcement (5.5) of the lid (5), as well as an alternative configuration of the flaps (2.2), is observed.

[0119] In particular, each of the first (2.2.1) and second (2.2.2) portions of the flaps (2.2) are coupled to the corresponding first front reinforcement (2.1), such that in an operative situation, both portions (2.2.1, 2.2.2) are located one after the other on their corresponding first front reinforcement (2.1).

[0120] In this way, in the closed position, each of the flaps (2.2) extends with a larger surface over its corresponding first front reinforcement (2.1).

[0121] Figure 3A shows a plan view of an extended flat sheet (L) for forming a container according to a fourth exemplary embodiment, which comprises many elements common to the previous examples.

[0122] In this particular case, holes (5.4) having a square cross section are observed, as well as a first reinforcement (5.5) of the perimeter lid (5), which extends after the front face (5.3) and each of the front retainers (5.3.1).

[0123] Likewise, a sharp cut is observed in each of the lateral walls (4) and the first front reinforcements (2.1), which allows that, in an operative situation, the first auxiliary reinforcements (1.1) are superimposed on said lateral walls (4) and first front reinforcements (2.1), instead of being superimposed on the bottom (1).

[0124] Finally, the present particular embodiment comprises a flap configuration (2.2) having a single portion, i.e., a first portion (2.2.1), which is configured by means of a die made on the corresponding first front reinforcement (2.1).

[0125] In an operative situation, each of the flaps (2.2) is configured as a lug coupled to its corresponding first front reinforcement (2.1).

[0126] Figure 3B shows a plan view of an extended flat sheet (L) for forming a container according to a fifth exemplary embodiment, comprising many common elements with the extended flat sheet (L) shown in figure 3A.

[0127] In particular, a sharp cut is also observed in each of the lateral walls (4) and the first front reinforcements (2.1), this cut in the first front reinforcements (2.1) being larger than in the case of figure 3A.

[0128] The acute cut present in the lateral walls (4) extends, on one of its sides, in a direction perpendicular to the axis of symmetry of the extended flat sheet (L), while the acute cut present in the first front reinforcements (2.1) extends on both sides forming an angle other than 90° with said axis of symmetry of the extended flat sheet (L).

[0129] Again, these sharp cuts allow that, in an operative situation, the first auxiliary reinforcements (1.1) are superimposed on the lateral walls (4) and the first front reinforcements (2.1), instead of being superimposed on the bottom (1).

[0130] Figure 3C shows a plan view of an extended flat sheet (L) for forming a container according to a sixth exemplary embodiment, comprising many common elements with the extended flat sheet (L) shown in figure 3B.

[0131] In particular, a difference with the embodiment shown in figure 3B is that the extension along the vertical direction of figure 3C, i.e., along the direction perpendicular to the axis of symmetry of the extended flat sheet (L), of each of the first auxiliary reinforcements (1.1) is less than the extension along the same direction of each corresponding lateral wall (4).

[0132] Figure 3D shows a plan view of an extended flat sheet (L) for forming a container according to a seventh exemplary embodiment, comprising many common elements with the extended flat sheet (L) shown in figure 3C.

[0133] In this case, the fundamental difference with the exemplary embodiment of said figure 3C is the incorporation of a third flap (2.2) on the surface of the front wall (2), as well as an additional hole (5.4), also the third, on the front face (5.3) of the lid (5), coinciding in an operative situation with said flap (2.2) extended on the surface of the front wall (2).

[0134] Figure 4 shows a plan view of an extended flat sheet (L) for forming a container according to an eighth exemplary embodiment, which comprises many elements common to the previous examples.

[0135] In particular, the fundamental differences with the rest of the examples shown are the position of the flaps (2.2), after the front wall (2), as well as the position of the holes (5.4), on the front face (5.3) of the lid (5).

[0136] In this way, in an operative situation, each of the holes (5.4) is superimposed on each of the flaps (2.2), the holes (5.4) being covered by a tab that must be removed to access the through hole and, therefore, the corresponding flap (2.2).

[0137] In relation to figures 5A and 5B, they show a front perspective view of the container formed by the extended flat sheet shown in figure 1A and a rear perspective view of the container shown in figure 5A, respectively.

[0138] In particular, figure 5A shows a container (C), in an open position, configured from a container body (CC) and a lid (5).

[0139] As can be seen, the container (C) comprises an internal cavity, inside of which the first auxiliary reinforcements (1.1) are observed on the bottom (1), not shown in this figure as it is completely covered by said first auxiliary reinforcements (1.1).

[0140] Likewise, the front wall (2) can also be observed, perpendicular to the bottom (1), not visible in this figure, and to the first auxiliary reinforcements (1.1), and two lateral walls (4), in turn perpendicular to said front wall (2).

[0141] Finally, a rear wall (3) is observed, parallel to the front wall (2), which configures the complete perimeter of the internal cavity of the container body (CC). The container (C) thus forms a parallelepiped having a rectangular base.

[0142] A first front reinforcement (2.1) extends over each of the lateral walls (4), covering the same completely, and a double-thick flap (2.2) extends over each first front reinforcement (2.1), the first (2.2.1) and second (2.2.2) portions of each flap (2.2) being folded onto themselves.

[0143] As for the lid (5), the base (5.1) can be seen, parallel to the bottom (1) in this open position, as well as the front face (5.3) and each of the front retainers (5.3.1), which overlap on the inner face of the lid (5) over each of the lateral faces (5.2) of said lid (5).

[0144] Likewise, a first reinforcement (5.5) of the lid (5) is also observed, having a perimeter configuration, which is superimposed on the internal face of the lid (5) on each of the front retainers (5.3.1) of said lid (5).

[0145] The holes (5.4), as shown, are elliptical and through.

[0146] As for figure 5B, a rear view of the same container (C) shown in figure 5A, the second front reinforcement (2.3) of the front wall (2) of the container body (CC) is also observed, in the internal portion that corresponds to the internal cavity of said container body (CC).

[0147] Lastly, it must be taken into account that the present invention must not be limited by the embodiment described herein. Other configurations may be carried out by those skilled in the art based on the present description. Accordingly, the scope of the invention is defined by the following claims.


Claims

1. A container (C) for packaging products, configured from an extended flat sheet (L), characterised in that the container (C) comprises:

- a container body (CC), and

- a lid (5),

wherein the container body (CC) comprises:

- a bottom (1), comprised in a perimeter delimited by at least four straight lower edges,

- a front wall (2), coupled to a lower edge of the bottom (1) and comprised in a perimeter delimited by at least four straight front edges,

wherein a front edge is coincident with the lower edge of the bottom (1) to which the front wall (2) is coupled,

wherein said front wall (2) in turn comprises:

- at least two first front reinforcements (2.1),

each being comprised in a perimeter delimited by at least four straight front reinforcement edges, and

each of said first front reinforcements (2.1) being coupled to a corresponding front edge, perpendicular to the front edge coinciding with the lower edge of the bottom (1),

wherein a front reinforcement edge is coincident with the front edge of the front wall (2) to which said first front reinforcement (2.1) is coupled, and

- at least two flaps (2.2), each of them located:

coupled to the front edge of the front wall (2) opposite to the front edge coinciding with the lower edge of the bottom (1), and extending perpendicular to said front edge of the front wall (2), or

or coupled to the front reinforcement edge of a first front reinforcement (2.1) perpendicular to the front reinforcement edge coinciding with the front edge of the front wall (2), and extending perpendicular to said front reinforcement edge of the first front reinforcement (2.1) on the surface on which said first front reinforcement (2.1) extends, or

coupled to the front reinforcement edge of a first front reinforcement (2.1) perpendicular to the front reinforcement edge coinciding with the front edge of the front wall (2), and extending perpendicular to said front reinforcement edge of the first front reinforcement (2.1) towards the direction opposite to the direction in which said first front reinforcement (2.1) extends,

- a rear wall (3), coupled to the lower edge of the bottom (1) opposite to the lower edge of the bottom (1) where the front wall (2) is coupled, and said rear wall (3) comprised in a perimeter delimited by at least four straight rear edges, wherein a rear edge is coincident with the lower edge of the bottom (1) to which the rear wall (3) is coupled, and

- at least two lateral walls (4), each comprised in a perimeter delimited by at least four straight lateral edges,

each of said lateral walls (4) being coupled to a corresponding rear edge, perpendicular to the rear edge coinciding with the lower edge of the bottom (1) where the rear wall (3) is coupled,

wherein a lateral edge of each lateral wall (4) is coincident with the rear edge of the rear wall (3) to which said lateral wall (4) is coupled,

wherein the lid (5) comprises:

- a base (5.1) coupled to a rear edge of the rear wall (3) and comprised within a perimeter delimited by at least four straight base edges,
wherein a base edge is coincident with the rear edge of the rear wall (3) opposite to which said rear wall is coupled to the bottom (1),

- at least two lateral faces (5.2), each of them comprised in a perimeter delimited by at least four straight lateral edges of the lid,
each of the lateral faces (5.2) being coupled to a corresponding base edge, perpendicular to the base edge coinciding with the rear edge of the rear wall (3) to which the base (5.1) is coupled,

- a front face (5.3), coupled to the base edge opposite to the base edge coinciding with the rear edge and comprised in a perimeter delimited by at least four straight front edges of the lid,

wherein a front edge of the lid is coincident with the base edge opposite to the base edge to which the rear wall (3) is coupled, and

wherein the front face (5.3) further comprises at least two front retainers (5.3.1),

each of said front retainers (5.3.1) being coupled to a front edge of the lid perpendicular to the front edge of the lid that coincides with the base edge to which said front face (5.3) is coupled,

- at least two holes (5.4), each located:

- either on the lateral face (5.2) of the lid (5),

- or on the front face (5.3) of the lid (5),
and each of them being coplanar and coinciding with a flap (2.2),

wherein the bottom (1), the front wall (2), the rear wall (3) and the at least two lateral walls (4) of the container body (CC) form an internal cavity configured to house products,

wherein the lid (5) is configured to be placed coincidentally on the container body (CC), substantially parallel to the bottom (1) and substantially perpendicular to the at least two lateral walls (4), covering the internal cavity of the container body (CC) so that the container (C) is closed,

wherein each first front reinforcement (2.1) of the front wall (2) is superimposed at least partially on a corresponding lateral wall (4), and

wherein each flap (2.2) of the front wall (2) of the container body (CC) is coplanar and coincident with the front face (5.3) of the lid (5) and/or with a corresponding lateral face (5.2) of the lid (5) and/or with a corresponding front retainer (5.3.1) of the front face (5.3) of the lid (5) and/or with a first front reinforcement (2.1) of the container body (CC) and/or with the front wall (2) of the container body (CC).


 
2. The container (C) according to the preceding claim, wherein the front wall (2) further comprises at least one second front reinforcement (2.3), wherein said at least one second front reinforcement (2.3):

- is coupled to the front edge opposite the front edge of the front wall (2) coinciding with the lower edge of the bottom (1), and extends perpendicular to said front edge towards the direction opposite to the direction in which said front wall (2) extends, or

- is coupled to the front reinforcement edge of a first front reinforcement (2.1) perpendicular to the front reinforcement edge coinciding with the front edge of the front wall (2), and extends perpendicular to said front reinforcement edge of the first front reinforcement (2.1) towards the direction opposite to the direction in which said first front reinforcement (2.1) extends,

wherein the at least one second front reinforcement (2.3) is configured to reinforce the front wall (2) and/or the first front reinforcement (2.1) from the inner cavity.
 
3. The container (C) according to the preceding claim, wherein the second front reinforcement (2.3) extends along the perimeter around the front wall (2) and the first two front reinforcements (2.1).
 
4. The container (C) according to any of the preceding claims, wherein the bottom (1) further comprises at least two first auxiliary reinforcements (1.1), wherein each of said first auxiliary reinforcements (1.1) is coupled to a lower edge of the bottom (1) perpendicular to the lower edge that coincides with the front edge to which the front wall (2) is coupled, and
wherein each first auxiliary reinforcement (1.1) is configured to reinforce either the bottom (1) or a lateral wall (4) of the container body (CC).
 
5. The container (C) according to any of the preceding claims, wherein at least one first flap (2.2) comprises:

- a first portion (2.2.1), coupled either to the first front reinforcement (2.1) or to the front wall (2), and

- a second portion (2.2.2), coupled to the first portion (2.2.1), configured to increase the extension area in contact with the corresponding front retainer (5.3.1) of the lid (5).


 
6. The container (C) according to any of the preceding claims, wherein at least one hole (5.4) of the lid (5) has a square, elliptical or circular cross section.
 
7. The container (C) according to any of the preceding claims, wherein at least one lateral face (5.2) of the lid (5) comprises:

- a seal (5.2.2), coupled to said lateral face (5.2), and

- an attachment element (5.2.3), coupled to said seal (5.2.2),

wherein the attachment element (5.2.3) is configured for being joined to the corresponding lateral wall (4) of the container body, keeping the container (C) in a closed position until its first opening, and

wherein the seal (5.2.2) is configured to be detached, together with the attachment element (5.2.3), from the lateral face (5.2) of the lid (5) allowing the opening of the container (C).


 
8. The container (C) according to any of the preceding claims, wherein the front face (5.3) of the lid (5) also comprises at least one first reinforcement (5.5) of the lid (5), coupled to a front edge of the lid opposite to the front edge of the lid coinciding with the base edge where the base (5.1) of the lid (5) is coupled, wherein the at least one first reinforcement (5.5) of the lid (5) is configured to reinforce the front face (5.3) of the lid (5) from the inner cavity.
 




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Cited references

REFERENCES CITED IN THE DESCRIPTION



This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

Patent documents cited in the description