Assembly forming a food storage container

Abstract

The invention relates to an assembly forming a food storage container (100) comprising: a storage receptacle (10) having a bottom (12) and a side wall (11) which has at least one locking element; and a lid (20). The lid (20) has at least one locking element formed as a stationary hooking section (25) and additionally has, on the periphery and facing each other, at least one locking element designed as a snap-fit hook (31) which is arranged on a pivotable snap-fit tab (30). A locking element is formed against the storage receptacle (10) by a peripheral locking projection (14) arranged on the side wall (11). The lid (20) placed on the storage receptacle (10) engages under the locking projection (14) arranged on the side wall (11) by means of the hooking section (25).

Description

Food storage box assembly FIELD OF INVENTION

[0001] The invention relates to an assembly forming a food storage box, with a storage container and a lid that can be separated from it. STATE OF THE ART

[0002] A container assembly is known from document DE 10 2004 063 398 A1. The peripheral sealing gasket on the underside of the lid presses against the upper edge of the container, creating a liquid-tight seal when the lid is snapped into place using a locking tab located against the side wall of the container. This snapping is achieved via several tabs distributed around the perimeter. When the lid is snapped into place, a force is exerted on it. The lid, along with its elastomer sealing gasket, is pulled up to the upper edge and held in a pre-tensioned position. This airtight and liquid-tight seal ensures hygienic food storage and easy transport.Users find it inconvenient that they have to apply a preload force to the locking tabs and that significant forces are required to open and close them. Furthermore, multiple locking tabs must always be opened or closed, typically two pairs of tabs facing each other. DESCRIPTION OF THE INVENTION

[0003] The objective of the present invention is to improve an assembly forming a storage box of the prior art mentioned above, so that more comfortable handling is made possible when opening and closing the lid, in particular with fewer locking positions, a reliable airtight and liquid-tight connection being guaranteed as before and reliable between the storage container and the lid after closure.

[0004] This objective is achieved by means of an assembly forming a food storage box, with a storage container and a lid that can be separated from it, in which the storage container: has a base and a side wall that terminates against a top edge and the side wall has at least one locking element on at least two side wall sections respectively;

[0005] and in which the lid can be fixed against the storage container without a hinge by complementary shape via locking elements, has at least one peripheral sealing profile made of elastomer, and has on its lower side at least one internal support crossbar extending at least partially along the periphery of the lid, which support crossbar can be positioned inside the upper rim of the storage container,

[0006] characterized in that the lid has at least one locking element as a fixed hook section and also has, on the periphery and facing it, at least one locking element designed as a snap hook arranged on a pivoting snap tab; at least one locking element is formed against the storage container by a peripheral locking projection arranged on the side wall, and / or by a snap edge arranged on the upper edge of a recess in the side wall of the storage container; the lid placed on the storage container engages with the hook section under the locking projection arranged on the side wall or under the snap edge arranged on the upper edge of a recess in the side wall.

[0007] This solution requires only a minimum of two locking units facing each other on the periphery of the lid. At least one of these units is configured with a locking position and a pivoting latch tab connected to the lid. This latch tab can be fixed, without a hinge, by means of a molded element, against a locking projection on the storage container.

[0008] The second locking unit is formed either by a second latching tab of the same type or, according to a preferred embodiment, by a fixed, non-movable locking element which, when the lid is positioned slightly at an angle to the container, can be hooked or engaged under the locking protrusion of the storage container and initially hold the lid on one side by complementary shape. The lid is then pressed against the upper rim of the storage container and locked against the container by complementary shape with the movable latching tab located at its end and facing it.

[0009] In this preferred embodiment, with at least one fixed locking element and at least one movable locking element, only a single locking element—a movable latching tab—needs to be manipulated to connect or release the lid to the storage container, thus creating a liquid seal. This facilitates one-handed operation: the lid can first be hooked against the storage container on one side, and then the movable latching tab is pressed down with one hand on the other side until it is in the latched position. Conversely, to open the lid, only one latching tab needs to be released, the lid can be tilted, and then removed from the hook by aligning its shape with the storage container.

[0010] The locking units described on opposite sides can also be formed by several locking elements located close to each other but separated from one another. In this case, the locking locations refer to facing locking areas positioned against the storage container, in which several locking elements functioning in the same way are arranged side by side.

[0011] The locking projection disposed against the container wall should preferably have an undercut in the profile, as should the corresponding movable locking element or the non-movable locking element, so that a reliable form complementarity is obtained.

[0012] The locking protrusion can, for example, be designed as a crossbar extending outwards from the outer wall of the container. This configuration is preferred for plastic containers to allow for a thinner wall. It is also preferred for stainless steel containers, where a thinner wall is essential.

[0013] A recess can also be designed into the outer side of the container, the upper edge of which forms the locking protrusion. This is advantageous for thick-walled storage containers, such as those made of ceramic or glass.

[0014] Thus, it is possible to combine the same lid with storage containers made of different materials.

[0015] To ensure the airtightness of the closed storage container assembly, despite the reduced number of locking points compared to prior art, a special sealing system is employed. This system is based on a flexible sealing lip that is applied from the inside against the container wall. The sealing lip forms the end of a J-shaped sealing profile in its cross-section, which also forms the edge area of ​​the lid and is made of an elastomeric material, specifically TPE.

[0016] In this way, an upper cross-section of the sealing profile is designed to come into contact with the upper edge of the side wall when the lid is placed. Even though a pressure force from this cross-section on the upper edge may only be exerted in the peripheral areas where the locking units are arranged, the upper elastomer cross-section nevertheless increases the sealing of the entire storage box assembly by creating a second sealing layer in addition to the sealing lip located inside.

[0017] The shaping of the sealing profile will be described below. A central section connects to the upper cross-section, which is then guided downwards towards the interior of the container. It extends into an arched section at the end of which the sealing lip is formed. Thanks to this arched shape, the sealing lip can conform to various shapes and spring back elastically when the lid is placed on the storage container, while remaining firmly pressed against the inner wall.

[0018] In order to maintain the sealing effect resulting from the elastic restoring force of the arched section and the sealing lip in a lasting manner, a preferred embodiment of the invention provides two additional measures:

[0019] Thus, what is called the central section, from which the arched section originates, is supported against a vertical support beam that forms part of the central area of ​​the lid. The central area of ​​the lid is made of a plastic material that is harder than the plastic material of the edge area. For example, the central area is made of polypropylene and the edge area of ​​a thermoplastic elastomer.

[0020] The central zone comprises a surface section that covers the entire interior space within the edge element and also features at least one inclined support crossbar in contact with the elastomer edge zone. Thanks to the support crossbar of the central zone, its contact area with the elastomer edge zone is increased, thus making the bond between the two materials more secure against delamination.

[0021] In addition, the support crossbar supports the central section of the elastomer edge zone, thus preventing it from moving inwards under the effect of elastic prestress, whereby the sealing lip could lose its firm contact with the inner wall of the container.

[0022] Furthermore, to prevent the container wall from being pushed outwards, a clamping ring is preferably connected from the rim area, which is located immediately before the outer wall of the container. The clamping ring prevents the container wall from bulging outwards.

[0023] Preferably, the outer wall of the storage container has a locking projection on its upper edge, which is preferably continuous and extends uninterrupted around its entire periphery, and is thus not only present at the locations against which the locking units described above apply, but also continuously around the entire periphery. The locking projection serves to attach the lid's snap-on elements and, due to the enlargement of its cross-section, also provides stiffening for the upper edge of the outer wall of the container.

[0024] The clamping ring is preferably an external profile section integrated into the lid's edge area, formed from an elastomer. When the storage container is closed, the upper edge of the container is positioned between the external clamping ring and the internal central section. This central section maintains a sufficient distance from the inner side of the container wall to allow for the deformation of the curved area and the sealing lip. Furthermore, the clamping ring sits directly against the outer wall of the container to prevent outward deformation of the container wall during tightening.

[0025] The profiling of the edge area, including the adjacent sections of the central area, is important to achieve the sealing of the storage box assembly according to the invention; however, it must also fulfill other functions during the use of the storage box assembly, such as for the manufacture of the lid.

[0026] Thus, in a preferred embodiment of the lid, a cross-section of the edge area, with the central and arched sections connecting to it and the sealing lip connecting to it in turn, are preferably profiled so that the upper side of the sealing lip is oriented horizontally with respect to a lifting plane when the whole forming a storage box is closed, or even ends slightly sloping outwards, in any case so that the formation of a groove in which liquid can accumulate is avoided.

[0027] Furthermore, the edge area profiling must allow the lid to be manufactured using a two-component injection molding process. Since significant inward deformation of the elastomer edge area is not possible due to the central area, preferably made of a hard material with its support cross member, the preferred embodiment must allow for demolding of the lid from an injection mold.

[0028] Thus, between the outer clamping ring and the central section, an internal space with a trapezoidal cross-section is formed, its cross-section narrowing slightly towards the top. Furthermore, the support crossbar of the central area extends downwards only until the arched section with the sealing lip can be separated below the lower edge of the support crossbar.

[0029] Preferably, a parting plane is located in the injection mold approximately at the height of the bearing surface formed by the upper cross-section, so that the outer periphery of the edge zone is divided into a lower and an upper part, both parts extending towards the parting plane at a slight outward angle. The lower part of the outer periphery of the edge zone is formed by the clamping ring, which, viewed in cross-section, has a slightly trapezoidal shape and tapers downwards.

[0030] Furthermore, to facilitate the release of the lid previously attached to the storage container, at least one vent valve is preferably integrated into the lid so that pressure compensation can be achieved relative to the environment. This eliminates the pressure exerted by the lid on the storage container, based on differential pressure. Lifting the lid then requires only minimal force from the user to overcome the friction of the sealing lip against the inner wall of the container. The vent valve thus facilitates one-handed operation or makes it possible when, due to temperature differences between the food in the container and the ambient temperature, a pressure difference develops after the lid has been placed and locked.

[0031] The venting valve includes at least one venting channel extending from the outer side of the lid, through the elastomer rim, and to an opening in the interior of the storage container assembly. An opening in the venting channel on the outer side is locked by a valve closure element when the movable locking tab is engaged against the storage container. This creates a leak-proof seal. When the locking tab is disengaged, the venting channel is also released, allowing pressure equalization between the interior of the storage container assembly and the surrounding environment.Whereas in the prior art, for ventilation openings, a small elastic valve closing element is most often pressed against an opening in a rigid structure, the invention reverses the choice of material properties, that is, a rigid valve closing element is pressed against a mouth opening in an elastic structure. In doing so, a small, concave, hump-shaped valve closing element suffices, which is formed directly against the snap-on tab. Therefore, no separate part of the snap-on tab is necessary, as such a separate part would have had to be fixed as a single piece and could easily detach during use.

[0032] Preferred but not limiting aspects of this storage container assembly, alone or in combination, are as follows: the storage container: has a base and a side wall that terminates against a top edge, and the side wall has at least one locking element on at least two side wall sections respectively; and the lid can be fixed against the storage container without a hinge by complementary shape via the locking elements, has at least one peripheral sealing profile made of elastomer, and has on its lower side at least one internal support crossbar extending at least partially along the periphery of the lid, which support crossbar can be positioned inside the top edge of the storage container,

[0033] characterized in that the lid has at least one locking element as a fixed hook section and also has, on the periphery and facing it, at least one locking element designed as a snap hook arranged on a pivoting snap tab; at least one locking element is formed against the storage container by a peripheral locking projection arranged on the side wall and / or by a snap edge arranged on the upper edge of a recess in the side wall of the storage container; the lid placed on the storage container engages with the hook section under the locking projection arranged on the side wall or under the snap edge arranged on the upper edge of a recess in the side wall.The lid comprises a central area with the support crossbar extending downwards and an elastomer edge area surrounding the central area, in which the sealing profile is integrated or which is formed by the sealing profile; and outside the periphery of the side wall, in the edge area, is configured a clamping ring that extends to below the upper rim of the storage container. The clamping ring extends downwards to below the upper rim of the storage container. The edge area is profiled in a J-shape in the cross-section, in which on one side the clamping ring connects with the upper cross-section, and on the other side the central section connects with the arched section and the sealing lip.When the cover is in place, an upper cross-section of the edge area is in contact with the upper edge of the side wall; a central section is guided downwards along the support crossbar and pressed against it; the central section extends into an arched section that moves away from the support crossbar and terminates in a sealing lip that is in contact with the inner wall of the side wall. The entire edge area is formed from a thermoplastic elastomer, and the central area from a comparatively harder thermoplastic material. The snap-on tab is connected to the central area of ​​the cover via a bridge area made of inelastic plastic.The storage container has a rectangular cross-section with two short side wall sections and two long side wall sections, and in that the snap tab and the hook section are arranged facing each other in the short side wall sections. The lid has at least one vent valve which includes at least one vent channel and at least one movable closing element via the snap tab for closing the vent channel, the vent channel extending through the rim area. DESCRIPTION OF THE FIGURES

[0034] The invention is explained in more detail below with reference to the drawings. The figures show in detail:

[0035] And

[0036] respectively an assembly forming a storage box in a perspective view;

[0037] the lid in a perspective view seen from below;

[0038] a cross-sectional perspective view;

[0039] an enlarged representation of the area marked in the;

[0040] a cross-section of the entire storage box assembly in the area of ​​the locking unit;

[0041] a detail of a perspective view seen from the bottom of the assembly forming a storage box with the snap tab open (not engaged);

[0042] a detail of a perspective view seen from the bottom of the assembly forming a storage box with the snap-lock tab closed (engaged);

[0043] a detail of a perspective view seen from the bottom of the assembly forming a storage box with the snap tab open (not engaged);

[0044] a detail of a perspective view seen from the bottom of the lid with the snap tab open (engaged);

[0045] a portion of a longitudinal section through the entire storage box assembly with the snap tab closed (engaged);

[0046] a portion of a longitudinal section through the assembly forming a storage box with the snap tab open (not engaged);

[0047] a detail of a perspective view seen from the bottom of an assembly forming a storage box according to a second embodiment, with the snap tab open (not engaged);

[0048] the whole forming a storage box with the lid open in a side view. DETAILED DESCRIPTION OF THE INVENTION

[0049] Lamontre shows an assembly forming a storage box 100 with a storage container 10 and a lid 20 placed on top, in a perspective view. The storage container 10 comprises a base 12 and a side wall 11 with an essentially rectangular cross-section, and strongly rounded transition zones 11.3 existing between sections of the side wall 11.1, 11.2. The side wall 11 has a stacking rim 15.

[0050] The lid 20 consists of a central zone 21 made of a transparent plastic material, for example polypropylene, and an edge zone 23 made of a thermoplastic elastomer. The lid 20 engages with a hook section 25 under a locking projection, not visible here in the figure, arranged on the outer side of the storage container 10. The hook section 25 and the locking projection form a first locking unit.

[0051] On the narrow side of the storage container 10, facing the hook section 25, a snap-on tab 30 is connected to a bridge area 26 of the edge area 23 via a film hinge 32. The bridge area 26 is composed, like the snap-on tab 30 and the film hinge 32, of the same plastic material as the central area 21.

[0052] The snap tab 30 contains two snap hooks 31 on its lower side to be oriented towards the side wall 11. The snap tab 30 and the hook section 25 serve to connect by complementary shape with the side wall sections 11.1, 11.2 facing each other in pairs, and form a second locking unit.

[0053] Lamontre shows the entire assembly forming the storage box 100 completely closed in a perspective view. The snap-on tab 30 is brought closer by pivoting against the side wall 11, so that there is a locking mechanism by complementary shape between the lid 20 and the storage container 10.

[0054] Lamontre shows the lid 20 alone in a perspective view from below. In this view, a continuous, internally peripheral sealing lip 23.4 is particularly visible. Below the snap-on tab 30, the edge area 23 is interrupted in a section of the edge area 28 to allow for the tight and precise application of the snap-on tab 30 against the side wall 11 of the storage container. The sealing lip 23.4 extends without any interruption around its entire periphery.

[0055] On the lower side of the snap-on tab 30 are formed two snap-on hooks 31 as well as a valve closing element 42, through which the inlet opening of a ventilation channel 41 can be closed when the snap-on tab 30 is lowered and locked against the edge of the container.

[0056] Lamontre shows how the lid 20 is brought closer to the storage container 10 by guiding it to close it. For this purpose, it is positioned at an angle and hooked under the locking projection 14 with the hook section 25 located at the bottom towards the container 10, then pivoted downwards until it reaches the upper edge 13, as indicated by the arrow.

[0057] Lamontre shows a perspective cross-sectional view running along the central axis between the two longer side walls 11.2 of the storage container 100. The edge zone 23 of the lid 20 rests on and encloses an upper edge 13 of the side wall 11. The elastomer edge zone 23 is pressed inward against a support cross member 22 of the central zone 21, which is made of a hard thermoplastic material. The central zone 21 is connected to the support cross member 22 by complementary materials. The support cross member 22 is interrupted where a ventilation channel 41 opens into the interior space of the container.

[0058] This is an enlarged representation of the area marked in the upper left corner. The profiling of the edge zone 23 becomes particularly detailed in this representation. It comprises, firstly, an upper cross-section 23.1 which has a bearing surface on its lower side against which the edge zone 23 rests on the upper edge 13 of the side wall 11. On an inner flank, the cross-section 23.1 is connected by complementary material to the support beam 22 of the central region 21. On this side and moving downwards, the cross-section 23.1 continues as a central section 23.2. The central section 23.2 is also supported by the support beam 22. The edge zone 23 is connected to the central zone 21 by complementary shape.

[0059] Below the support cross member 22, the central section 23.2 extends into an arched section 23.3 which terminates in a continuous sealing lip 23.4. On the outer side of the edge area 23, another vertical cross member is provided, extending downwards from the cross section 23.1 and acting as a clamping ring 23.5 to grip the side wall 11 and prevent it from swelling under the pressure of the arched area 23.3, including the elastically deformed sealing lip 23.4.

[0060] In the representation of the, the tip of the sealing lip 23.4 appears to continue into the side wall of the container 11. This representation is evident from the fact that the sealing lip 23.4 and the arched section 23.3 are shown undeformed and are in fact designed with a certain excess to ensure a constant application of the sealing lip 23.4 against the inner wall of the container as part of maintaining a constant prestress.

[0061] Lamontre shows a cross-section of the whole forming the storage box in the area of ​​the hook section 25. Thus, it is visible that the hook section 25 is designed and configured with an undercut and that it is hooked into the area of ​​the upper edge 13 under the locking projection 14 also with an undercut.

[0062] This is a detail of a perspective view taken obliquely from the bottom of the assembly forming a storage box. The lid 20 is placed on the side wall 11. The snap-on tab 30 is not engaged and is folded upwards; the valve closing element 42 arranged against it is away from the ventilation channel.

[0063] The watch shows the same view as after the downward pivoting of the snap-in tab 30 and the start of its engagement. The snap-in hooks 31 of the snap-in tab 30 engage under the locking projection 14 of the side wall 11. The snap-in tab 30 is applied tightly against the storage container 10 so that its outer side is essentially flush with the edge area 23 of the lid 20.

[0064] Lamontre again shows the situation before the locking of the lid 20 with the storage container 10 from a slightly different, but similar, angle of approach. Thus, the position of the valve closing element 42 near the opening of the vent channel 41 is particularly visible. The valve closing element 42 and the vent channel 41 together form a vent valve 40. The vent channel 41, not yet closed, allows air to enter or leave the interior space of the container.

[0065] The edge zone 23 is partially interrupted in the edge zone section 28. In the edge zone section 28, a portion of the upper cross-section 23.1 is missing from the profile. A portion of the clamping ring 23.5 is also missing and has been removed. However, there is no interruption in the contact area with the side wall 11 to ensure the sealing of the assembly forming the storage container.

[0066] Lamontre uses the same approach as above, but without the storage container. The position of the ventilation channel 41 is particularly visible. This extends from the opening in the edge zone section 28 to the interior space. The ventilation channel 41 is guided so deeply that its outer casing extends beyond the cross-sectional profile of the edge zone 23 and connects at this point, as a cross member 24, to the interior of the edge zone 23. Thanks to this design of the ventilation channel 41, the central zone 21 can, on the one hand, be arranged vertically to provide stiffening for the edge zone 23, which is particularly evident in Figures 3 to 5.On the other hand, the cross member 24 also serves to support the elastomer area all around the ventilation channel 41, because in this area an interruption of the support cross member 22 is necessary for the mouth of the ventilation channel 41 (see).

[0067] The diagram shows part of a longitudinal section that runs through the locking area of ​​the lid 20 with the storage container 10 by means of the snap-on tab 30. The valve closing element 42, on the rear side of the snap-on tab 30 made of hard plastic, presses against the relatively softer environment of the rim area 23, and thus closes the opening of the ventilation channel 41. It can be clearly seen in the diagram that the ventilation channel 41, starting from the upper side of the rim area 23, is located just slightly above the upper edge 13 of the storage container 10, extending diagonally downwards, and then opening into the interior space of the container below the central area 21.

[0068] Lamontre presents an identical representation to that of the, but with the ratchet tab 30 open. The valve closing element 42 on the rear side of the ratchet tab 30 is moved away by pivoting from the opening of the ventilation channel 41 so that the latter is now open.

[0069] Figure 10 represents a detail of a perspective view of a storage container assembly 100' according to a second embodiment, viewed from below from a latching tab 30'. The storage container 10 with its side wall 11 remains unchanged. A lid 20' also largely corresponds to the embodiment of the lid 20 described above. The difference with the lid 20' is that two ventilation channels 41 open into a section of the edge zone 28' of an edge zone 23', and a recessed handle 29' is designed between the two. This allows the latching tab 30', which is held tightly against the side wall 11 in the locked position, to be more easily grasped and unlocked. Reference signs:

[0070] 100; 100' set forming storage box

[0071] 10 storage containers

[0072] 11 side wall

[0073] 11.1, 11.2 side wall sections

[0074] 12 background

[0075] 13 top border

[0076] 14 locking projection

[0077] 15 stacking edge

[0078] 20, 20' lid

[0079] 21 central zone

[0080] 22 support crossbeam

[0081] 23, 23' edge zone

[0082] 23.1 upper cross-section

[0083] 23.2 central section

[0084] 23.3 arched section

[0085] 23.4 sealing lip

[0086] 23.5 clamping ring

[0087] 24 crossbeam

[0088] 25 crochet sections

[0089] 26 bridge zone

[0090] 28, 28' edge zone section

[0091] 29" recessed handle

[0092] 30; 30' snap-on tab

[0093] 31; 31' snap hook

[0094] 32 film hinge

[0095] 40 ventilation valve

[0096] 41 ventilation duct

[0097] 42 valve closing element

Claims

Assembly forming a food storage container (100; 100') with a storage container (10) and a lid (20; 20') that can be separated from it, in which the storage container (10): has a base (12) and a side wall (11) that terminates against a top edge (13) and the side wall (11) has at least one locking element against at least two sections of the side wall (11.1, 11.2) respectively; and in which the lid (20; 20'): can be fixed against the storage container (10) without a hinge by complementary shape via the locking elements, has at least one peripheral sealing profile made of elastomer, and has on its lower side at least one internal support crossbar (22) extending at least partially along the periphery of the lid (20;20'), which support cross member can be positioned inside the upper rim (13) of the storage container (10), characterized in that the lid (20; 20') has at least one locking element as a fixed hook section (25) and further has, on its periphery and facing it, at least one locking element designed as a snap hook (31) arranged on a pivoting snap tab (30); at least one locking element is formed against the storage container (10) by a peripheral locking projection (14) arranged on the side wall (11) and / or by a snap rim arranged on the upper edge of a recess in the side wall (11) of the storage container (10); the lid (20;20') placed on the storage container (10) engages with the hook section (25) under the locking projection (14) arranged on the side wall (11) or under the snap-in edge arranged on the upper edge of a recess in the side wall (11).; Assembly forming storage box (100) according to claim 1, characterized in that the lid (20; 20') comprises a central zone (21) with the support crossbar (22) extending downwards and an edge zone (23; 23') of elastomer surrounding the central zone (21), in which the sealing profile is integrated or which is formed by the sealing profile; and outside the periphery of the side wall (11), in the edge zone (23; 23'), is configured a clamping ring (23.5) which extends to below the upper edge (13) of the storage container (10). Assembly forming storage box (100) according to claim 2, characterized in that the clamping ring (23.5) extends downwards to below the upper edge (13) of the storage container (10). Assembly forming a storage box (100) according to claim 2 or 3, characterized in that the edge area (23; 23') is profiled in the shape of a J in the cross section, in which on one side the clamping ring (23.5) connects with the upper cross section (23.1), and on the other side the central section (23.2) connects with the arched section (23.3) and the sealing lip (23.4). Assembly forming storage box (100) according to claim 4, characterized in that when the lid is placed, the upper cross section (23.1) of the edge area (23; 23') is in contact with the upper edge (13) of the side wall (11), the central section (23.2) is guided downwards along the support cross member (22) and pressed against it; the central section (23.2) extends into an arched section (23.3) which moves away from the support cross member (22) and terminates in a sealing lip (23.4) which is in contact with the inner wall (11) of the side wall. Assembly forming storage box (100) according to any one of claims 2 to 5, characterized in that the entire edge area (23; 23') is formed in a thermoplastic elastomer and the central area (21) in a thermoplastic material which is comparatively harder. Assembly forming storage box (100) according to claim 6, characterized in that the snap tab (30) is connected to the central area (21) of the lid (20; 20') via a bridge area (26) made of non-elastic plastic material. Assembly forming storage box (100) according to any one of the preceding claims, characterized in that the storage container (10) has a rectangular cross-section with two short side wall sections (11.1) and two long side wall sections (11.2) and the snap tab (30; 30') and the hook section (25) are arranged facing each other in the short side wall sections (11.1). Assembly forming storage box (100) according to any one of the preceding claims, characterized in that the lid (20; 20') has at least one ventilation valve (40) which includes at least one ventilation channel (41) and at least one closure element (42) movable via the snap tab (30; 30') for closing the ventilation channel (41), in which the ventilation channel (41) extends through the edge area (23; 23').

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