RU2673618C1 - Package for food products containing internal package - Google Patents

Abstract

FIELD: package and storage.

SUBSTANCE: invention relates to package having a closure lid, made with possibility of providing easy access to a product contained in a package used as an exchangeable package. In particular, the invention relates to a package for food products made with possibility of convenience arrangement of collapsible bag inside an outer container. A package is proposed that includes a container (2) and a closing system (3) made of a frame (31) and a lid (32) pinned to a frame that can close container opening (21) by means of firm adherence to it. Upper adjusting part (13) of frame closes firmly an upper rim (21a), and lower insertable part (35) is made to protrude into inner volume (V) of container. Collapsible bag (B) stored inside the container in a predetermined position, straightened out from partially opened state to fully open state due to the action of pressing axial guide of projections (E1, E2, E3, E4) determined by insertable part and coming into contact through the opening (11) of the bag. Insertable part (35) has one or more notches (61, 62, 63, 64) determined between two of axial guide of projections, facilitating full straightening of a side wall of the bag.

EFFECT: improve protection of contents of the package and ensure reuse.

18 cl, 11 dwg

Description

Technical field

The invention relates to a package having a closing lid configured to provide easy access to a product contained in a bag used as a replacement bag. In particular, the invention relates to packaging for food products, made with the possibility of convenient placement of the folding bag inside the outer container.

State of the art

Folding bags having a flexible side wall are well known in relation to the content of various products, in particular bulk food. Refillable food bags are known, for example, from document WO 2014/120258. However, a refillable bag of this kind cannot be used to store products that are sensitive to the air, for example, milk powder or cereals.

Less sensitive foods can also be shipped to the secondary market in the form of sealed folding bags or similar flexible bags. Conventional folding bags for this purpose contain two opposite folds. After removing the upper part of the fold, it can be straightened from a partially open configuration to a fully open configuration. Such flexible bags (for example, as described in US 2011/0293208) are poorly adapted for sprinkling.

Hard boxes are sometimes used to place food originally stored in flexible bags. However, in practice, there is often a loss of food from a flexible bag or similar bag when the bulk food is poured into the box.

In addition, the boxes, in particular, are poorly adapted to store a collapsible bag, which is in the open state, since the product may be poured between the flexible bag and the inner surface of the box. This usually happens when the packaging is turned upside down when the box is closed. And if the box is not properly closed by the lid located on top of the box, or if the seal provided by the lid is insufficient, the product can quickly change its position, and product loss can occur.

WO 2012/085117 describes a flexible bag stored in a box. The side wall of the box has an inner periphery designed to guide the annular side of the bag, with the result that the bag is installed in the package at a predetermined position. Due to the lateral direction of the box, the inner flexible bag cannot move sideways inside the container (tight fit of the bag inside the box). Such interaction of the inner bag and the outer container, taking into account the only predetermined position of the inner bag, is well known in the art. The collapsible bag contains valves that extend beyond the top edges of the box. For proper closing of the top of the box, the closing system comprises an annular frame in which the upper edges of the box with flaps bent around these upper edges are placed. Due to the indicated arrangement, the folding bag in a predetermined position is wide open, which eliminates product spilling between the bag and the side wall of the box, provided that the valves are correctly bent and positioned.

Given this design, the user may encounter difficulties in accurately positioning the flaps or annular frame. In addition, the need for large valves (impractical for storing a food product that is completely contained inside the box) can significantly increase the size of the folding bag before connecting it to the box.

Documents JP2012197105A, JP2012197106A, JP2012197107A, JP2012197108A, JP2012197109A and JP2012197110A also refer to refillable food bags that are held in a rigid box. A special crease is used at the top of the box to create a wide opening in the bag, and the lid may cover the upper access opening limited by the crease.

Disclosure of invention

Thus, it is an object of the invention to provide a resealable package that provides adequate protection for the contents of the package each time the lid is closed and which can be refilled efficiently.

To this end, embodiments of the invention provide packaging for a food product, including:

- an outer container extending outwardly around a central axis from the bottom to an upper side having an opening, the outer container having a peripheral upper rim defining the opening and a side defining an internal volume of a predetermined height, the side having two opposite inner surfaces, preferably flat

- a closing system comprising a frame that is annular and detachably attached to the peripheral upper rim, and a lid pivotally connected to the frame to allow the lid to move between the open position and the closed position, in which the lid covers the opening of the container, the frame containing an upper mounting the part covering the upper rim;

- a flexible collapsible bag filled with a food product containing a bottom, an upper end configured to limit the opening of the bag on the opposite side from the bottom, and an annular side wall provided with at least one fold, preferably two opposite folds, so that the bag can straighten from a partially open state to a fully open state, moreover, the side wall of the outer container has a shape, in particular a sectional shape, and a size corresponding to the annular side wall of the bag with the goal of preventing the eccentric location of the package inside the internal volume (predefined position of the package);

moreover, the frame further comprises:

- the insertion part, which extends in the inner volume and is located in the direction radially inward at a distance from the side wall of the container, the insertion part extends annularly completely below the upper rim, and

- a plurality of axial guide protrusions that belong to the inserted part and are structurally configured to contact the package through the opening of the package to hold the package open, the inserted part having a cut defined between two axial guide protrusions along one of these two opposite inner surfaces.

The bag can completely close the inner surface of the bottom and is located next to the side wall of the outer container to either be in contact with two opposite inner surfaces or to be aligned with the side wall of the outer container with a small gap at its periphery. In general, it should be taken into account that the packet has such dimensions that it cannot move significantly in the radial direction, i.e. can move no more than 5-6 mm, preferably less than 4 mm in the storage position in the internal volume. Such a small gap is less than 9-10 percent of the width or equivalent size of the bag when the smaller container is more than 60 mm, preferably more than 80 mm.

Given this design of the closing system, the inserted part can effectively come into contact and push (radially outward) the side wall of the package during installation of the frame due to axial protrusions without preventing the straightening of the package due to the cutout. Since the side wall of the bag has substantially the same shape as the container near the bottom, there is no specific requirement for centering the bag. The top of the side wall of the bag should not, in particular, stretch or straighten more than the rest of the side wall, which prevents the formation of cracks in the material of the bag.

In addition, the amount of plastic for forming the insertion part is reduced, since the cut-out defines a considerable space between the axial protrusions on the same side. This space may be greater than 30 mm near the free ends of the axial protrusions.

When the bag and container have a polygonal shape, for example, a rectangular shape, the axial protrusions may have an inclined free edge to guide each upper edge of the bag to a peripheral region that is bounded between the insertion part and the top of the container. The bag is a prefabricated bag with side folds, so that flat outer surfaces can be easily obtained in the side wall, and such external sides are consistent with the corresponding inner surfaces of the container. It will be appreciated that the expression “partially open state” may correspond to a free state in which the opening closely matches the size when the packet is in a fully open state. Thus, the concept of “partially open” can be interpreted as “not fully open” (not open enough to have a uniform gap between the top of the bag and the container).

In accordance with a particular feature, at least one of two opposite surfaces is defined by the panel in contact with the upper connecting part and extends between two connectors (preferably curved), each of which defines an angle, preferably approximately 90 °, between two adjacent side side panels outer container.

In accordance with a particular feature, the side wall of the outer container is limited by four panels interconnected on the respective connectors, each of which extends straight from the bottom to the corner of the peripheral upper rim, while the annular side wall of the package contains four edges and has predetermined peripheral dimensions and shape, so that each of the edges is located at a distance of less than about 3 mm from one of the connectors when the bag is stored in the internal volume, and the upper rim enters clutch in the groove of the installation part. Given this arrangement, positioning the bag is convenient and easy, and the upper edges of the bag can be positioned as a “lining” that covers the inner surface of the side wall of the container. Since the bag is held fully open by the insertion part (with the side wall of the bag extending in the longitudinal direction at the same small radial distance from the container), the risk of bending the bag when the food product is removed is prevented.

In accordance with a particular feature, one of the axial guide protrusions extends between two cutouts from the base next to a predetermined hole, and such a hole does not intersect with the central axis and is limited to a part of the frame, which is generally closed by the lid in the closed position of the lid. This predetermined opening is bounded by a holding device for measuring accessories and is preferably circular. An axial guide protrusion adjacent to a predetermined hole may optionally have a C-shaped or L-shaped cross-section when viewed in a plane perpendicular to the central axis.

In accordance with a particular feature, the cut-out extends between two flat parts of two axial protrusions that are inclined, and each of them has an L-shaped section when viewed in a plane perpendicular to the central axis. This design of the axial protrusions is well suited to prevent unwanted bending (package) near the corners of the outer container, especially when the container has a polygonal shape with angles of about 90 °.

In accordance with a particular feature, the insertion part comprises four bridge-shaped parts, each of which tapers in the direction of the bottom with an angle of deviation in comparison with the direction of the central axis, moreover, the specified deviation is preferably less than or equal to 10 °, and each of the bridge sections contains:

- a cutout extending between two axial guide projections; and

- an arcuate section that extends above the cutout between two axial guide projections.

The curved edge of the arcuate section may limit the entire cutout or part thereof and may have, to some extent, a pronounced curvature.

At the discretion of the inserted part has four essentially flat surfaces, with each arcuate section defines the middle section of the specified outer surfaces of the inserted part.

In accordance with a particular feature, the insertion part is of such a size that the following ratio is satisfied:

H - H2 <5 mm <H1,

Where

H1 - maximum height of the inserted part,

H2 - the height of the flexible folding bag in a fully open condition and

H is the given height of the internal volume.

The height of H2 is measured from the bottom of the bag, which is flat and in contact with the food product. Thus, the bag in the open state does not extend beyond the opening of the container, and the difference in height (compared to the level of the opening of the container) may be less than about 4-5 mm, preferably about 2-3 mm. With such a small difference in height, and since the inserted part (essentially) is placed inside the package volume to a sufficient depth, the package cannot “jump out” in the vertical direction from a fully open state. In general, having a small radial clearance (less than 2 - 3 mm) and a small axial clearance for the bag is an advantage in avoiding significant deformation of the side wall of the bag (or a change in the relative position of the bag and insertion part) when the bag as a whole is turned upside down.

Since the bag can be held without bending or folding on the upper side (the side wall of the bag has a shape corresponding to the inner surface of the rigid container), a partially or completely transparent box, as an advantage, could be used with the appropriate display of information printed on the outer surfaces of the side wall of the bag .

In some embodiments, the height of the bag may be less, provided that the insertion part has a higher height, and / or the container is equipped with one or more retaining elements or similar regulatory means to support the package at a certain distance from the bottom level.

In preferred embodiments of the invention, at least one of the following features is additionally used:

- the bag and box have a polygonal shape, preferably a rectangular shape, and each of the axial guide protrusions has an inclined free edge for directing each upper edge of the package to the peripheral upper region, which is limited between the inserted part and the upper part of the container, completely above the inclined free edges in the installed the position of the installation part (each branch of the inclined free edge, at least more than 10 mm);

- the inserted part contains four axial guiding protrusions that are completely located inside an imaginary cuboid, which has a rectangular first section less than or equal to a rectangular second section bounded by the bottom of the bag (the peripheral rectangular edge of the bottom of the bag);

- the inserted part has a first cut and a second cut on the opposite side from the first cut, each of the first cut and the second cut having a width greater than the height, the packet containing two opposite folds that are straightened by engagement through the first cut and the second cut, respectively;

- the container further comprises a measuring accessory having a cup and a handle, and the measuring accessory is located in a holding device in a storage position in which the handle extends completely above the inserted part (in this storage position, namely, in a horizontal position, the measuring accessory can pass over the food product and does not interfere with the axial guides of the inserted part);

- the first cutout is at least partially adjacent to the cup in the storage position, and the holding device is connected to the first side of the frame, and the second cutout extends next to the second side of the frame, which is parallel to the first side of the frame (respectively, the cup is held at a distance from the central axis container, while the handle that must be held by the user can cross this central axis or passes near this central axis);

- the bag has an inner surface equipped with at least one annular elastic tape with an initial energy reserve that affects two folds and is capable of deformation radially outward (due to the energy reserve and shape memory effect), so that the packet is automatically straightened from the original partial open state to another state, close to or identical to the fully open state (package, which is a replaceable package and is initially equipped with a closing strip on top, m it can be more easily achieved to achieve a fully open configuration with the aid of the compression effect achieved after removal of the closing strip);

- in the storage position, the cup is generally offset from the imaginary median plane of the container, which intersects the first cutout and the second cutout;

- the frame contains an annular transitional part between the inserted part and the installation part, and the transitional part narrows downward and defines a concave surface facing outward (the curvature of the annular transitional part is suitable for pushing the upper edges radially outward, rather than crushing such upper edges downwards; in addition, such the transition part is important to ensure an effective guiding action with the insertion part without applying a push action in the vertical direction or undesired tearing total impact);

- the annular transitional part has a radial extension (measured from the connection with the installation part), which is greater than the maximum radial extension of the inserted part;

- in the fully open position, the flexible bag defines an upper surface that faces or is in contact with a continuously curved outer surface that is tangentially connected to an annular outer surface that is defined by the insertion part, the curved outer surface having an upper part adjacent to the groove, with which engages the upper rim;

- the frame contains a leveling element having two opposite ends and a rigid free edge that extends across the central axis between two opposite ends, and the leveling element is located next to the same axial guide protrusion at each of two opposite ends;

- the frame contains at least one elastic sealing element, more flexible than the axial protrusions (preferably an annular gasket), for determining one or more radial contacts between the package, at its upper edge, and the frame;

- two opposite inner surfaces are located at a shorter distance in the area near the bottom of the container in order to obtain less space between the bag and the container in the lower part of the inner volume.

Brief Description of the Drawings

Other features and advantages of the invention will become apparent from the following description, presented by way of non-limiting example, with reference to the drawings.

In FIG. 1 is an exploded view of a packaging according to a first embodiment of the invention, the lid being shown in the open position and the inner folding bag located in the inner volume of the outer container, perspective view;

in FIG. 2 - the upper part of the package in FIG. 1, the lid being shown practically in the closed position, and the insertion part inserted through the opening of the bag, a sectional view;

in FIG. 3 - dimensional accessory that can be held below the lid in the storage position according to the invention, a perspective view;

in FIG. 4a and 4b are two consecutive perspective views (for clarity, the lid is not shown), explaining the guiding effect of the inserted part, which is inserted through the opening of the folding bag;

in FIG. 5 is a top view of a package according to a second embodiment of the invention;

in FIG. 6 - unopened folding bag that can be used as a replacement bag, perspective view;

in FIG. 7 - two outer containers (one laid on the other), sectional view;

in FIG. 8 is a packaging according to the invention, a sectional view showing an alignment operation;

in FIG. 9 is a perspective view of a frame used to place a collapsible bag in an outer container according to a third embodiment of the invention;

in FIG. 10 is an outer container and a folding bag prepared for insertion into the outer container before installing the closure system provided with the frame shown in FIG. 9 is a perspective view.

Embodiments of the invention

In various figures, identical reference numbers indicate identical or similar elements.

It should be noted that the following detailed description and the presented drawings relate to packaging 1, including a box and a flexible folding bag or similar package B, which is not resealed (does not close tightly after removing the upper part), and the packaging is well adapted for easy extracting the food product contained in package B. A number of products can be stored in package B, preferably food products, for example, powdered milk, powdered or powdered concentrates for the preparation of non-alcohol drinks, concentrates for the preparation of soups, coffee, tea, whey powder, etc., kefir, spices and other loose solid food products.

With reference to FIG. 1, 2 and 7, package 1 contains a container 2 and a closing system 3. The container 2 is open from the side opposite the bottom 20 and may have the shape of a parallelepiped, an oval cross-section or any shape with a bottom essentially the same width as the hole, which should be clear to experts in this field. An annular side wall 4 of the container 2 extends around the vertical central axis X to the top 2a defining the peripheral upper rim 21a. An outer protrusion 2c may be provided, and the top 2a may be defined as an annular protrusion extending upward from the upper side defined by the protrusion 2c. The wide opening 21 bounded by the perimeter 22 is bounded by a rigid rim 21a (a protrusion 2c used optionally increases the stiffness of the rim 21a to prevent deformation).

The cross section perpendicular to the central axis X of the container 2 may be substantially rectangular with rounded corners. This ensures the strength of the packages 1 in the vertical direction when they are stacked on top of each other. In FIG. 7, the packing 1 is stacked on top of each other in detail, using a recess in the bottom 20, at least to partially accommodate the top wall 33 of the lid 32. Again, for the purpose of convenient movement, the section preferably fits into a rectangle of 100 - 140 mm by 80 or 90 - 125 mm. The internal volume V of the container 2 has a predetermined height H, which in this case is close to the total height of the container 2. The bottom 20 may have supporting means 20a, for example legs or an annular base, which can protrude downward relative to the flat wall of the bottom 20. Such supporting means 20a can increase the strength of the bottom 20 if they are structurally designed as an additional outer layer of the container 2. The lower part 40 of the side wall 4 may have a slightly smaller cross section, as shown in FIG. one.

When the side wall 4 of the container 2 has a rectangular cross-section, two opposite inner surfaces F1, F2 are defined by flat panels, and the distance between these inner surfaces F1, F2 can correspond to the width of the internal volume V. The specified height H, measured in this case from the flat inner surface F3 the bottom 20 to the upper surface is preferably 120-190 mm in order to provide a normal volume for boxes intended for containing infant formula. Therefore, this is a relatively deep container, the opening 21 of which should be as wide as possible for convenient extraction of the powder close to the bottom 20 of the container 2. In addition, this wide opening 21 allows you to use the measuring accessory 100 to scoop up the powder or similar food product 5.

Based on the substantially rectangular cross section shown in FIG. 1, it can be assumed that the perimeter 22 of the opening 21 of the container 2 has a first long side 22a, an opposite long side 22b and first and second short sides 22c, 22d connecting the long sides. Four angular portions or similar connectors 6 can be provided in the side wall 4 in order to avoid the formation of sharp edges. In this case, the four panels of the side wall 4 are provided with four connectors 6, each of which is structurally configured to interconnect with two adjacent panels that form an angle of approximately 90 °.

Without any limitation, the container 2 can be manufactured by blow molding as a separate plastic component. The plastic is preferably a multilayer composite forming a highly effective antioxidant protection applied to a food product 5, such as milk powder, but the container 2, of course, could be made of any other material, in particular metal or multilayer cardboard.

With reference to FIG. 4a - 4b and 6, the food product 5 is stored in a bag B, which has a flexible side wall 8, a bottom 8a and an upper part limited by a cover strip 10 for cutting or tearing. In the case under consideration, the front wall W1 and the rear wall W2 are mutually connected by two opposing folds 9a, 9b extending parallel to the longitudinal axis of the flexible side wall 8. Welds or sealing joints can be provided to obtain the packet B. The bottom 8a may be defined by overlapping valves with a seal portion between at least two valves.

In some embodiments, bag B may be made from a single web of film. However, in preferred embodiments, the front wall W1, the rear wall W2 and the bottom 8a are obtained by assembling at least two different parts. In this case, the package B includes several sealing sections for sealing said parts (for example, using weldable parts). In a specific embodiment, as shown in FIG. 6, the bottom 8a does not contain any folds and is flat. Each of the two folds 9a, 9b has an inner edge extending between the respective inner surfaces of the front wall W1 and the rear wall W2 when the packet B is closed by a closure strip 10 or similar closure means.

The film material used to form package B can be plastic, for example, low, medium or high density polyethylene, polypropylene, polyester (PET), polyamide or any other material that is widely used in the packaging industry, a copolymer or a combination thereof. The film material may be a single layer cast film or a blown film, a multilayer coextrusion film, or a laminated film. The film material may also include one or more layers of paper, a metal foil, a vacuum-deposited metal or inorganic layer of aluminum or a layer of silicon oxide and / or a polymer protective layer, for example, ethylene-vinyl alcohol or polyvinylidene chloride. These examples are non-limiting examples.

An important aspect is that the material is flexible and allows folds 9a and / or 9b to be formed. In the case under consideration, two opposite folds 9a, 9b are provided near the wide opening 11. Therefore, package B is a collapsible package. The upper end, limited by the upper edge 7, is configured to form a hole 11, essentially as wide as the bottom 8a and the same shape as the bottom 8a. In addition, if the film is a multilayer film, it is preferable that at least the inner layer of the package B was a heat-adhesive layer.

With reference to FIG. 6, package B is optionally provided with an upper peripheral edge, and until cutting or tearing or peeling is performed to remove such an upper part of package B, the contents of package 5 5 cannot be removed through opening 11 of package B. The upper parts of the front wall W1 and the rear wall W2 have an initial flat shape as shown in FIG. 6.

In other words, the contents of 5 (for example, milk powder or other granular or powdered product) are perfectly preserved in package B until their first use when the upper peripheral edge (in this case limited by the closing strip 10) is removed, at the discretion of one or more detachable tongues , tear-off reeds, weakened areas, etc.

With reference to FIG. 6, the cover strip 10 or a similar upper portion of the packet B preferably comprises a line of attenuation (on a dashed line) that extends laterally across both walls W1 and W2 in the immediate vicinity of and below the upper peripheral edge. The line of weakening can be formed, for example, by perforating or notching the front wall W1, the rear wall W2 and other optionally made valves with a laser or knife, either individually before welding these walls W 1 and W2 or together after welding. One or both ends of the line of attenuation can end with an incision (not shown), which creates a concentration of stresses and helps to start tearing along the line of weakening when the consumer opens the bag.

In this case, a simple cut along the dashed line (straight dashed line in this non-limiting example, as shown in Fig. 6) is sufficient to access the product 5, since the side wall 8 of the package B is expanded sufficiently, so that the corresponding upper parts of the front the walls W1 and the back wall W2 are not in the initial planar state. Preferably, the upper level of the food product 5 extends axially at some distance from the upper edges 7, which extend along the cutting line that corresponds to the dashed line (for example, the upper level is 25 to 90 mm below the level of the edges 7).

Inside the packet B, the initial level of the food product 5, in most cases of the powder material, corresponds to a height H3 that is significantly less than the preset level H2 of the packet B when the packet B is in the fully open state (as shown, for example, in Fig. 4b). In some embodiments, the ratio H3: H2 may be from 1: 2 to 4: 5.

With reference to FIG. 1 - 2 and 4a - 4b, it can be seen that the bag B, after opening, can be stored in the inner volume V of the container 2. Of course, the folding bag B can also be stored in the container 2 and after opening by cutting off the closing strip 10.

Although the internal volume V is shown to be completely consistent with the external shape of the container 2, it should be understood that such an internal volume V can be adjusted depending on the specific conditions inside the container 2. The height H2 of the packet B is less than the predetermined height H, so that the upper rim 21a extends generally above the upper edges 7 of package B. The annular side wall 8 of package B has a shape corresponding to the side of the outer container 2, to prevent the eccentric arrangement of package B in the inner volume V. In other words, the position package B relative to the container 2 before installing the frame 31 is a predetermined position. As clearly seen from FIG. 1, 4a to 4b and 7, in particular, such a predetermined position is explained by a similar sectional shape of the side wall 8 of the bag in comparison with the sectional shape of the side wall 4 of the outer container 2. The natural vertical direction of the bag B, which is fully filled in the initial state, is ensured in case when the side wall 8 of the package is tightly surrounded by the side wall 4.

The closing system 3 in this case is provided with an annular mounting part 13 containing a peripheral groove G in which an upper rim 21a is installed (an annular protrusion bounded by the top 2a and placed in the groove G). The installation part 13 in the present case is structurally made as the upper part of the annular frame 31, which surrounds the hole 21.

The closing system 3 also includes a lid 32 pivotally attached to the frame 31 to move the lid 32 between the open position and the closed position. Thus, the frame 31 is tightly mounted removably directly on the peripheral upper rim 21a, and the cover 32 closes the opening 21 of the container 2 when it engages with the mounting part of the frame 31. The cover 32 includes a top wall 33 and is provided with a circular side wall 34, extending from the upper wall 33 and the inner girdle 36 located at a constant distance with respect to the circular side wall 34 and bounding the continuous groove CG with the side wall 34. With this design, the mounting portion 13 can be placed in the continuous groove CG. The inner side of the mounting portion 13 may optionally be in radial contact with the inner girdle 36 in the closed position of the lid 32 (the inner girdle 36 is pressed at least partially against such an inner side of the annular mounting portion) to prevent the accumulation of the food product 5 (for example, powder form) zone 25 of the frame contact with the cover. In this example, as shown in FIG. 2, such a contact zone 25 is provided between the outer inclined surface of the mounting portion 13 and the sealing surface of the circular side wall 34. Accordingly, the cover 32 can be repeatedly closed with a sufficient sealing effect.

The upper wall 33 in this case is essentially flat to reduce the height of the cover 32. The frame 31 has an insertable portion 35, which, if you wish, allows you to get a height of the frame that exceeds the height of the cover 32. The cover 32 and frame 31 are pivotally connected using a connector, which allows the lid 32 to be moved relative to the frame 31 and the container 2 between the open position shown in FIG. 1, in which the hole 21 is practically accessible, and the closed position shown, for example, in FIG. 7, in which the lid 32 closes said opening 21. This is a resealable package, the lid 32 of which is opened and closed each time, for example, when preparing bottles for infant formula.

In this example, the connection is a hinge 16 (one or more flexible joints), in which the pivot axis is perpendicular to the central axis X. In the shown embodiment, the hinge is a plastic hinge 16 formed by a fold line that allows the cover 32 and the frame 31 to be made as a single component. Such a component is made by injection of a plastic, such as polypropylene, into a mold. However, the swivel joint 16, of course, could be made using two separate components assembled with each other, and any other form of connection of the frame 31 and the cover 32 can equally be achieved.

With reference to FIG. 1, the frame 31 may have substantially the same common periphery as the cover 32 and, in the present case, comprises first and second short outer sides 31c, 31d defined by a mounting portion 13 corresponding to the first and second short sides 22c, 22d.

Despite the fact that the presented embodiments show the central axis X, which is the axis of symmetry of the container 2 and the frame 31, of course, you can use other layouts depending on the geometry of the side wall 4 of the container. The frame 31 does not need to have the same shape as the cross-section of the inner volume V. In additional embodiments with dividing elements, the side wall 4, which surrounds the inner volume V for receiving the package B, can correspond to a part of the lateral periphery of the container and includes a dividing element, used to limit the upper rim 21a.

With reference to FIG. 1 and 5, the mounting part 13 or the container 2 has a protruding element with an engaging edge 18, which is used for fixing. Such a protruding element 18 may be integral with the outer protrusion 2c of the container 2. In the present case, the package 1 has a locking device provided with a tongue T that protrudes downward from the cover 32, in this case, from the side wall 34. When the cover 32 is in in the closed position, the protrusion T occupies an engaging position in which the lower gripping part 19 engages with the engaging edge 18. The unlocking is performed by manually applying a tongue T in the radially outward direction (p means to delay action). In the closed position, as shown in FIG. 7, the cover 32 is adjusted and set so as to provide continuous tight contact between the mounting portion 13 and the cover 32.

With reference to FIG. 1, 2, 4a, 4b, and 8, a description is given of the pressing to hold the top of the folding bag B in the fully open state due to the insert portion 35 of the frame 31.

A bag B filled with food product 5, opened and stored in the inner volume V, is in contact with the bottom 20 of the container 2 and cannot essentially move due to the small gap between the side wall 8 and all or part of the inner surfaces of the side wall 4 container 2. In fact, in this case, the inner side wall 8 has a shape corresponding to the side wall 4. Thus, the package B cannot be located eccentrically inside the internal volume V. In some cases, the lower part 40, whose height H4 is preferred significantly smaller than the height H3, made in such a way as to reduce or eliminate a small gap around the package B (size reduction in the lower part 90 of the internal volume V). Thus, it is understood that the container 2 is structurally configured to determine a predetermined position of the packet B having an upwardly facing opening 11.

In this state, without the closing system 3 mounted on the upper rim 21a, the package B is not in a fully open state. Each of the panels of the side wall 4 extends between two connectors 6, each of which corresponds to an angle of approximately 90 °, as shown in the presented embodiments. If an angle of this kind is defined between two adjacent panels of the container 2, it is understood that the corresponding angular portions of the packet B (stored in the inner volume V) cannot be located close enough to the connectors 6. In fact, significant bends or recesses form (on folds 9a, 9b ), as shown, for example, in FIG. one.

The flexible side wall 8, in the case under consideration, thanks to the folds 9a, 9b, can expand from a partially open state to a fully open state, provided that the upper edges 7 are displaced (by pressing) and are held in place away from the central axis X and along the side wall container 2. For this purpose, the frame 31 contains an insertion part 35, which extends in the inner volume V when the installation part 13 closes the upper rim 21a with a tight ring contact, and is intended to be placed inside the package B (above the level I'm a food product 5). In FIG. 1, the bend in the partially opened state is slightly exaggerated to better show that the edges 7 are not at an equal distance from the side wall 4.

The inserted part 35 is located radially inside with a gap relative to the side wall 4 of the container 2, and in this case, such a gap is formed due to the annular transition part 38, which is mutually connected with the inserted part 35 (the inner part of the frame 31) and the installation part 13 (the outer part of the frame 31).

The annular transition portion 38 may be radially connected to the mounting portion 13, as shown in FIG. 8, below the tight connection between the mounting portion and the upper rim 21a. Accordingly, food product 5 cannot spill out of container 2 due to:

- tight contact in groove G;

- continuous contact in the groove CG, preferably using the inner belt 36; and if the package 1 is turned upside down, the food product 5 necessarily returns inside the package B (to the normal position), since the particles of the powder or product cannot be displaced beyond the concave surface S38 due to the compression contact between the upper peripheral part of the package B (at the upper edges 7 moreover, such a top is in a stretched state) and a frame 31 (on the continuous transitional part 38 and / or on the continuous annular upper end of the inserted part 35).

To improve radial contact, the frame 31 may contain at least one elastic sealing element (not shown), more flexible than the axial protrusions E1, E2, E3, E4, and protruding radially outward from the outer sides F5 below the mounting part 13. Ring a gasket or similar annular resilient member, which is preferably provided adjacent to the transition portion 38 (and generally above the cutouts 61, 62, 63, 64), defines one or more radial contacts between the stack B and the frame 31. Such resilient member may be curved or inclined for both ease insertion of the inserted part 35 through the hole 11.

With reference to FIG. 2, the insertion portion 35 extends annularly generally below the upper rim 21a and preferably generally below the optionally used annular protrusion 2c. The annular transition portion 38 extends substantially at the same level as the protrusion 2c, and tapers downward, defining an annular concave surface S38 facing outward. After insertion of the insertion portion 35, the transition portion 38 can abut against the upper edges 7 of the flexible collapsible bag B to hold these upper edges 7 near the inner surface (including the opposite surfaces F1 and F2 here) of the side wall 4. In some embodiments, the upper edges 7 are facing only such a concave surface S38 without continuous or local axial contact with this transition portion 38.

The insertion part 35 is provided with a plurality of axial guide projections E1, E2, E3, E4, which are structurally adapted to contact the bag B through the hole 11. When installing the closing system 3 with the bag B already passing in the inner volume V, the insertion part 35 will be located on a sufficient distance from the side wall 4 of the container, so that the upper edges 7 of the package B could completely surround the inserted part 35 in the form of a skirt with a small gap. The guide projections E1, E2, E3, E4 come into contact through the hole 11 with the top of the package on opposite internal parts (corners or opposite sides). Due to the action of pressing the guide protrusions E1, E2, E3, E4 in the installed state of the closing system 3, these local parts of the package B are first shifted outward and then held in a fixed adjacent position relative to the corresponding inner sides of the container 2.

The axial guide protrusions E1, E2, E3, E4 do not extend or stretch the side wall 8 of the packet B beyond the boundaries of the imaginary cuboid defined by the bottom 8a of the packet B. Accordingly, when the frame 31 is in the installed state, as shown in FIG. 4b or 7, each side of the side wall 8 of the packet B may be substantially flat. With this arrangement, a wide and constant cross section of the packet B is obtained, which is the optimal solution for extracting the food product 5 close to the bottom 8a using a measuring accessory 100.

The axial guide protrusions E1, E2, E3, E4 have a height H1 that is greater than the length of each of the two lower rectilinear edge parts formed at the free end (L-shaped free edge FE) of the axial guide protrusion E1, E2, E3, E4. This height H1 may optionally correspond to the maximum height of the inserted part 35 and is 5 to 40 mm.

A polygonal shape with at least four corners of both the side wall 4 and the side wall 8 of the packet B is preferred since the inner sides of the container 2 can be substantially flat and each of the axial guide protrusions E1, E2, E3 , E4 may have one flat guide section or two flat guide sections 28, 29 made in an L-shape when viewed in a plane perpendicular to the central axis (X). Thus, the upper edges 7, defined on each side of the packet B, are kept essentially in a straight line position without significant undulation in the transverse plane (without bends, distinguishable by the user). The angle of the L-shape can be at least 90 °, which is important for providing a guiding action in two different directions by the same element of the inserted part 35. Each axial guide protrusion E1, E2, E3, E4 contains a curved middle section 67 (FIG. . 4a), which determines the radius of curvature is much smaller than the radius of curvature than the connectors 6 or at the ends of the short sides 31c, 31d.

The adapter portion 38 is curved in the longitudinal direction and is tangentially connected to the insertion portion 35, which has a slight radial deviation compared to the longitudinal axis X. However, such a small deviation is important for the gradual increase in the pressing against the inner surfaces F1, F2 of the side wall 4 of the container. It can be seen that each of the axial protrusions E1, E2, E3, E4 have a smaller slope than the transition part 38. The greater deviation of the transition part 38 and the substantially continuous curvature (without horizontal surfaces) of the transition part 38 are an advantage in this case with the point of view of preventing the accumulation of powder on the transition part 38, i.e. out of package B.

When the polygonal shape is rectangular or square, the side wall 4 of the container 2 is defined by four panels interconnected on the respective connectors 6, each of which extends straight from the bottom 20 to the corner 211, 212, 213, 214 of the peripheral upper rim 21a, as shown in non-limiting embodiment of FIG. 1. The annular side wall 8 of the packet B has four edges 80 (four longitudinal edges) and has a predetermined periphery with such dimensions and shape that each of the edges 80 is less than 3 mm from one of the connectors 6 when the packet B is stored in the inner volume V, and the upper rim 21a is engaged with the groove G of the mounting portion 13. Such a parallelepiped-shaped collapsible package B has a simple structure and can correspond to a standard-looking bag.

In illustrative embodiments, the insertion portion 35 may comprise four bridge portions 66 interconnected by axial guide protrusions E1, E2, E3, E4. When the guide protrusions E1, E2, E3, E4 have an L-shaped cross-section, the insertion portion 35 defines four substantially flat outer sides F5. Each of the bridge portions 66 (a similarly cut portion) tapers toward the bottom 20 with a slight deviation compared to the direction of the central axis X. Such a small deviation (see, for example, FIGS. 2 and 7) may be less than or equal to 10 °, preferably less than 4 - 5 °. Since the protrusions E1, E2, E3, E4 protrude downward more than the arcuate middle sections AS, they can deviate slightly more at the free edge FE (but with the same deflection angle), where the gap D2 with the container 2 is maximum. Such a narrowing is important because the folds 9a and 9b in the present case can gradually move to two opposing surfaces F1, F2, preferably flat, when the frame is moved near its installation position and then installed. In general, this provides a more gradual action of pressing in opposite directions (towards the different sides 22a, 22b, 22c, 22d of the container 2).

Each of the four bridge parts 66 contains:

- a cutout 61, 62, 63, 64 extending between two axial guide projections E1, E2, E3, E4 (for example, a cutout 63 extends on one side between two protrusions E1 and E4); and

- an arcuate section AS, which extends above the cutout 61, 62, 63, 64 between the two axial guide projections E1, E2, E3, E4.

You can see that each arcuate section AS can define the middle section of one of the corresponding outer surfaces F5 of the inserted part 35. With this design with four cutouts 61, 62, 63, 64, each middle section of the upper edges 7 (in this case, you can see that at least the shorter sides have a V-shaped profile before pressing) is pressed only at the end or almost at the end of the installation of the frame 31, and the upper edges 7 of the package B can be held essentially in a rectilinear position along the plane external surfaces of the end F5 straightening.

In a non-limiting embodiment of FIG. 1, a first cutout 61 and a second cutout 62 along short sides 22c and 22d are located opposite each other. These cutouts 61, 62 are preferably larger in width than in height, the same being true for additional cutouts 63, 64 that extend along the long sides 22a, 22d.

The almost vertical arrangement of the axial protrusions E1, E2, E3, E4 is also an advantage, since the inserted part 35 does not block access to the package. In the direction of the central axis X, as shown in FIG. 1 to 5, only an additional holding device 60 protrudes to accommodate the measuring accessory 100.

In some embodiments, packet B has an inner periphery provided with an annular elastic band 65 with an initial energy supply (shown in FIG. 4a) that acts on folds 9a, 9b and is located near the upper end. After removing the cover strip 10, such an elastic tape 65 deforms radially outward, so that the packet B is automatically straightened from the initial partial open state to another state close or identical to the fully open state. This option can be used to facilitate the insertion of the inserted part 35 through the hole 11 of the package B.

With reference to FIG. 1, 2, and 7, the axial protrusions E1, E2, E3, E4 have the same cross-sectional profile and the corresponding L-shaped free ends FE, which extend essentially in the same imaginary transverse plane (horizontal plane in the normal packing position 1 ) Of course, it would be possible to use fewer or more such inclined free edges FE depending on the geometry of the side wall 4 of the container. The presence of at least two diametrically opposed L-shaped protrusions or opposite L-shaped protrusions along an imaginary diagonal is important for determining at least four different radially outer directions for pressing against the inner sides of the package B. Accordingly, the hole 11, limited the upper edges 7 of the packet B expands and the edges 7 will be appropriately located at the same axial level in the peripheral upper region around the insert portion 35 as a whole above the inclined corners free edges FE and above the cutouts 61, 62, 63, 64 in the installed state of the installation part 13.

In this case, the small radial clearance between the inner side of the container 2 and the upper half of the packet B is essentially constant, since the upper edges 7 are not excessively outwardly extended. Changing the geometric shape, as shown above in FIG. 4a and 4b, occurs on a constant surface of the bag (without excessive stretching causing deformation of the bag material).

The insertion portion 35 has a maximum height H1, which, of course, is less than a predetermined height H of the internal volume V and is less than 30 mm. In preferred embodiments, the following relationship is satisfied:

H - H2 <5 mm <H1,

where H2 is the predetermined height of the flexible collapsible package B in a fully open state. With reference to FIG. 2 and 4b, this embodiment ensures that the upper edges 7 are in the upper part (which is narrower than the lower part with the maximum radial distance D2) of the annular space defined between the inserted part 35 and the corresponding internal malfunction (for example, surface F1 or F2) of the container 2.

When the container 1 is turned upside down, it is clear that the mass of the food product 5 accumulates inside the volume limited by the closing system 3 and around the insertion part 35. In the case under consideration, with a bag B having a height of H2, as shown in FIG. 4a, 4b, with a radial distance of not more than 5-6 mm from the container 2 on each side, preferably not more than 2 to 3 mm, there is no sufficient free space around the package B (see also Fig. 7), which could allow sufficient deformation and bending (even in an inclined position no lateral bulges can be formed). In addition, since the space around the inserted part is small, the pressure applied by the food product 5 near the edges 7 (when the container is turned upside down) is insufficient for local deformation of the package B, resulting in a significant loss of product.

Of course, the insertion part 35 can be structurally made with a reduced number of cutouts and / or have a difference in height with respect to at least one side of the insertion part 35. In general, the insertion part is provided with one or two cutouts 61, 62, limited between two from the axial guide protrusions E1, E2, E3, E4 and passing along one of two opposite inner surfaces F1, F2 (in the case under consideration, along the short sides 22c, 22d of the container 2). With only one cutout 62 and two folds 9a, 9b, to facilitate insertion, it is possible to tilt the frame 31 slightly to the side 31c without a cutout, so that this side 31c pushes the first fold 9a to the corresponding surface F1 or F2. Then, the second fold 9b, which is pressed less than the first fold 9a, can be straightened through the cutout 62.

Cutout 61, 62, 63, 64 is open downward and is preferably not divided into several grooves or thin longitudinal slots. Such a cutout 61, 62, 63, 64 can be obtained by molding the frame 31 or using a cutting operation. Of course, the concept of "cutout" should not be interpreted in a restrictive way, which is clear to a specialist in this field.

Next, with reference to FIG. 2 - 3, 5 and 7 - 8 describe the layout of the device for interaction with measuring accessory 100.

As for the measuring accessory 100 shown in FIG. 3 and 5, in the shown embodiments, it is similar to a spoon, in other words, it has a cup 101 that defines a fixed measured volume, and in this embodiment, it is essentially cylindrical up to the open side of this cup 101. The handle 102 protrudes from the cup 101 to the free end. Thus, the measuring accessory 100 has an oblong shape and is made of plastic or an equivalent material. In the case of a round container 2, the length of the measuring accessory 100, of course, should be less than the inner diameter of the frame 31. In the case of a rectangular container 2, it should be less than the internal diagonal of the frame 31. The measuring accessory 100 is a measuring device of a predetermined shape, preferably intended for sale with packaging 1 as a whole, possibly without folding package B in some embodiments. However, it is understood that a fixed volumetric volume of such a volumetric accessory 100 relates specifically to the described product 5, in this case to a food product such as milk powder.

In the case of sale together with the package 1, the measured accessory 100 can be initially placed in a bag inside the volume V and / or under the upper wall 33 of the lid 32 or in a separate bag attached to the outer surface of the container 2. At least after the first opening of the closing system 3, the measured the accessory can be placed through an opening 60a in a holding device 60, which is formed on the frame 31 and preferably formed integrally with the frame 31. This opening 60a is sized to hold the cup 101. The holding the device 60 in this case is formed integrally with the closing system 3 and extends between at least one section of the base connected to the short side 31c and at least one free end 72, which is optionally made as part of the alignment element. In the present case, the holding device 60 extends substantially perpendicular to the central axis X. With reference to FIG. 2, the free edge 72, which is larger than the size of the opening of the cup 101, can be either curved or straight. A rigid free edge 72 may extend between two opposite ends 73, 74 of the alignment element 70, which are connected to the inner annular side of the frame 31. The alignment element 70 can be connected to two adjacent sides of the polygonal frame (in this case, the rectangular frame 31). Thus, the ends 73, 74 may be located adjacent to the same axial protrusion E4 of the insertion portion 35.

As shown in FIG. 8, the base portion BP of the holding device 60 on the opposite side of the free edge 72 may be formed in connection with an annular transition portion 38 extending between the mounting portion 13 and the insertion portion 35. The free edge 72 may be provided with a lower protrusion to perform alignment without tilting measuring accessories or in a slightly inclined position. Thus, the user does not have to tilt the measuring accessory 100 almost vertically, which could cause a rash of some of the food product 5 and, consequently, incorrect measurement.

In the first embodiment shown in FIG. 1 to 4B and 8, next to the free end 72, as a protrusion on the frame 26 of the hole 60a, a stabilizing protrusion 60b that protrudes upward can be provided. The holding device 60 comprises an opening 60a, for example, a circular opening, for storing the measuring accessories 100 in a storage position in which the handle 102 extends generally above the insertion portion 35 substantially parallel to the upper wall 33 of the lid 32. The cup 101 has a minimum height that there is more space between the hole 60a and the upper wall 33 of the cover 32, so that the measuring accessory 100 cannot fall out of the specified hole when the closing system 3 remains in the closed position.

In this case, the first cutout 61 is at least partially adjacent to the cup 101 in the storage position. The cup 101 may extend along the axial guide protrusion E4 near the joint between the short side 22c and the long side 22b. The holding device 60 may be connected to the first side 31c of the frame 31 and optionally to the other side adjacent to the first side 31c. When the insertion portion 35 has two opposite cutouts 61, 62, the second cutout 62 may extend close to the second side 31d of the frame 31, which is parallel to the first side 31c. The handle 102 extends from the cup 101 to such a second side 31d.

In order for the upper side of the lid 32 to be close to the opening plane defined by the upper rim, the lid 32 is substantially flat and has an upper wall 33 defining a flat upper surface along which the measuring accessory 100 passes in the storage position. In the present case, the alignment edge 72 is curved.

You can see that the distance D4 between the hole 60a and the upper rim 21a is less than the maximum height H1 of each axial protrusion E1, E2, E3, E4 and less than the size D3 (for example, the inner diameter) of the hole 60a. The distance D4 may be less than 10 mm, preferably less than 5-6 mm, i.e. this means that the space D2 between the free edge FE and the outer container 2 can be less than 3-4 mm. Thus, the distance D5 between the hole 60A and the central axis X can be at least 20-30 mm, which is important for the alignment operation (easy access and no need to tilt the measuring accessory 100 more than 45 ', even when such the accessory has a length similar or greater than the size of the hole along the short sides 22c, 22d of the container 2, see, for example, Fig. 5).

Despite the fact that in FIG. 1 to 4B, the holding device 60 and / or the free end 72 of the alignment element 70 are shown in the corner region of the rectangular frame 31, it is understood that a device of this kind for interacting with the measuring accessory 100 can be arranged differently. For example, in FIG. 7, a holding member 60 is shown having a free rectilinear edge 72 located perpendicular to two opposite short sides at a distance from the corners.

In the embodiment shown in FIG. 5, it can be seen that the holding device 60, also formed on the frame 31, is connected only to the first side 31c and is located at a distance from the curved parts of the frame 31. A clip 69 can be provided next to the cup 101 in the storage position to fix this position by engaging with part of the handle 102. Of course, the holding device 60 can also form a rectilinear free edge 72.

In the embodiment shown in FIG. 9-10, fixing the frame 31 to the container 2 is accomplished by engaging the inner protrusions 39 of the frame 31 under the outer protrusion 2c and / or in the outer recesses of this outer protrusion 2c. The inner protrusions 39 are formed in the groove G and protrude radially inward from the outer annular wall of the frame 31. With reference to FIG. 10, the outer protrusion 2c may have angular portions CP, each of which comprises a recess 82 obtained by locally reducing the height. In the corners of the frame 31, inner protrusions 39 can be formed below the respective windows 37. This increases the local flexibility of the corners of the frame and thereby facilitates snapping in of the inner protrusions 39 formed in the groove G on the outer protrusion 2c of the container 2. Note that this type of fastening of the frame 31 can be used for any of the described embodiments and in any other modifications. The peripheral upper rim 21a may have a surface that is rounded in cross section, which is important for inserting (with a gradual increase in contact force) into the groove G containing the inner protrusions. The frame 31 of the closing system 3 having such a structure:

- rigidly attached to the container 2 on the one hand (while there are no special requirements regarding the attachment of the lid 32 to the container 2);

- it is easily removed from the container by means of a characteristic pressing simultaneously under two angular parts of the frame 31 from the same side (such pressing releases the corresponding internal protrusions 39 from the same side to obtain an unlocked position), after which the closing system 3 is removed by simply turning the frame 31 relative to the outer protrusion 2c of the container 2 (other inner protrusions 39 on the opposite side, which is the hinged side, are released by a pivoting action).

As with the previous shown embodiments, an engaging edge 18 ′ is provided for fixing the closed position of the cover 32 (the cover in FIG. 9 is not shown to simplify the image, since such a cover has already been described above with reference to FIGS. 1 and 5) by holding the tongue T. However, in in this case, such an engaging edge 18 ′ is formed on the frame 31, as shown in FIG. 9. Of course, this option can be used in previous embodiments. This design may be preferred to simplify the container 2.

The frame 31 shown in FIG. 9 is similar to the frame shown in FIG. 1 and 5, moreover, the hinge connection with the cover 32 is not shown. Although the position of the hole 60a determined by the holding device 60 is identical to the position shown in the embodiment of FIG. 1, 2 and 4a to 4b, the insertion part 35 in the present case has a slightly different design. In FIG. 9, it can be seen that the axial guide protrusion E4 ′ extends between the two cutouts 61, 63 from the base 43 adjacent to the hole 60a. The axial guide protrusion E4 ′ adjacent to the hole 60a may optionally have a C-shaped or L-shaped cross-section when viewed in a plane perpendicular to the central axis X in the installed position of the closing system 3. The base 43 may be connected to the base portion BP (FIG. 8).

In the case under consideration, cutouts 62 and 64 are made less distinctly than the corresponding cutouts in the other illustrated embodiments. Additionally or alternatively, the axial protrusions E1, E2, E3 are inclined slightly more than in the examples in FIG. 1 - 2 and 7, with the exception of the axial protrusion E4 ', which is oblong and narrower than other axial guide protrusions E1, E2, E3. This design, with some axial guide projections that are more inclined, is important for easy engagement with the B package by the consumer, in particular with proper positioning in the upper corners of the B package.

In FIG. 10 shows that the shape of the side wall 4 of the container corresponds to the annular side wall of the package B. In the case under consideration, with the length L1 of the container 2 significantly exceeding the width L2, it is not possible to place the open package B in a different vertical position different from the predefined position inside the volume V of the container 2. In the case under consideration, the term “corresponds” means that the profile (shape) is identical or similar enough to prevent any unsuitable position, where the side wall is 8 package and B does not extend along the side wall 4 of container 2. Such conformity of form is well known in the relevant field of technology (see, for example, bag-in-box systems and similar refilling systems) for placing the inner bag B in the outer container 2 and is clear to those skilled in the art . Despite the fact that the height H2 of the open packet B, as described, must satisfy the ratio H1 - H2 <5 mm, it is understood that packet B does not necessarily have a constant height H2, as cutouts or implicit unevenness can be provided, preferably at a certain distance from corners, without adversely affecting the correct direction with the guided part 35. For example, this relationship can only be confirmed in the upper corners of the open package B.

In FIG. 1 and 5, it can be seen that the hole 60a is not intersected by the central axis. The same applies to the hole 60a defined by the holding device 60 in the frame 31 shown in FIG. 9. A relatively flat shape of the lid 32 can be obtained due to the horizontal storage position of the measuring accessory 100, and such an accessory is at least partially inserted into the internal volume of the container 2.

In these various embodiments, the handle 102 can easily be gripped, and there is no need to touch the measuring accessory 100 on or next to the cups 101. The handle 102 of the measuring accessories 100 extends in the plane of the hole 21 or above the upper rim 21a, i.e. the user's fingers do not touch the inside of the bag B while gripping the measuring accessory 100. This central position of the handle 201 outside the bag B is advantageous in avoiding contact, which could lead to contamination of the food product 5.

Thus, the package 1 can combine several features without compromising the closing efficiency and can be reused with the new bag B filled with product 5 after removing the empty bag. Handling the frame 31 of the closing system 3 is straightforward, with no need to place your fingers inside the new bag.

It is clear that the above-described embodiments are in no way limited, and numerous modifications are possible with respect to the geometry of the parts forming the container 2 and the closing system 3 without deviating from the scope of the claimed invention.

For example, although the closing system 3 described in this application is made as a unit of molded plastic, it should be appreciated that an assembly of two or more elements can be used to form the closing system. In general, it is clear that the use of the verb “contain” and its conjugations does not exclude the presence of any other elements besides the elements defined in any claim.

A word indicating an element in the singular does not exclude the presence of a plurality of such elements. Any position number in the claims should not be construed as limiting this specific paragraph.

Of course, the inner periphery of the container 2 need not have exactly the same dimensions as the annular side wall 8 of the packet B to ensure a snug fit of the packet B inside the outer container. The fit is generally sufficient, and the inner circumference of the container 2 is generally adapted to guide the annular side wall 8 of the packet B in order to place the packet B in a predetermined position within the volume V.

Claims (38)

1. Packaging for a food product, including: an outer container (2) extending longitudinally about a central axis (X) from the bottom (20) to an upper side having an opening (21), the outer container (2) having a peripheral upper rim (21a) defining the opening and a side a wall (4) bounding the internal volume (V) of a given height (H), and the side wall has two opposing internal surfaces (F1, F2), a closing system (3) comprising a frame (31) that is annular and detachably attached to the peripheral upper rim (21a), and a lid (32) that closes the opening (21) of the outer container (2) in the closed position, wherein the frame (31) comprises an upper mounting portion (13) covering the upper rim (21a); and a flexible bag (B) filled with a food product (5) containing a bottom (8a), an upper end intended to limit the opening (11) of the bag from the opposite side from the bottom, an annular side wall (8) provided with at least one fold ( 9a, 9b), so that the packet is configured to straighten from a partial open state to a fully open state, moreover, the side wall (4) of the outer container (2) is configured to direct the packet (B) in the vertical direction parallel to the central axis (X) and has a shape corresponding to the annular side wall (8) of the packet, when viewed in cross section perpendicular to the central axis ( X), so as to place the bag (B) in a predetermined position inside the internal volume (V), while the bag (B) has an opening (11) facing upward, on the opposite side from the bottom (20) in a predetermined position, moreover, the cover (32) is pivotally connected to the frame to ensure movement of the cover between the open position and the closed position, and the frame (31) further comprises: the insertion part (35), which extends in the inner volume (V) and is located radially inward at a distance from the side wall (4) of the outer container, and the insertion part (35) extends annularly completely below the upper rim (21a), a plurality of axial guide protrusions (E1, E2, E3, E4; E4 ') that belong to the insertion part and are configured to contact the package through the opening (21) of the package to keep the package (B) open, the insertion part (35) having a notch (61, 62) defined between two axial guide protrusions along one of these opposed inner surfaces (F1, F2). 2. Packaging according to claim 1, in which at least one of the two opposite inner surfaces (F1, F2) is defined by the panel in contact with the upper installation part (13) and passes between two connectors (6), each of which determines the angle between two adjacent panels of the side wall (4) of the outer container (2). 3. Packaging according to claim 1, in which the side wall (4) of the outer container (2) is defined by four panels interconnected on the respective connectors (6), each of which extends straight from the bottom (20) to the corner (211, 212, 213, 214) of the peripheral upper rim (21a), wherein the annular side wall (8) of the packet (B) contains four edges (80) and has predetermined peripheral dimensions and shape, so that each of the edges (80) is located at a distance of less than 3 mm from one of the connectors (6) when the bag (B) is stored in the internal volume (V) and the upper rim to (21a) engages in the groove (G) an upper mounting portion (13). 4. Packaging according to paragraphs. 1, 2 or 3, in which a cut-out (61, 62) extends between two flat parts (29) of two axial protrusions (E1, E2, E3, E4), which are located at an angle, each of which forms an L-shaped section, seen in a plane perpendicular to the central axis (X). 5. Packaging according to claim 4, in which the insertion part (35) contains four bridge-shaped parts (66), each of which tapers in the direction of the bottom (20) with a deflection angle in comparison with the direction of the central axis (X), and the specified deflection angle less than or equal to 10 °, and each of the four bridge-shaped parts (66) contains: a cutout (61, 62, 63, 64) extending between two axial guiding protrusions (E1, E2, E3, E4); and an arcuate section (AS) that extends above the notch between the two axial guides. 6. Packaging according to claim 5, in which the insertion part (35) has four flat outer surfaces (F5), wherein each arcuate section (AS) defines a middle section of said outer surfaces (F5) of the insertion part (35). 7. Packaging according to claim 4, in which the insertion part (35) contains four axial guiding protrusions (E1, E2, E3, E4). 8. Packaging according to paragraphs. 1, 2 or 3, in which the inserted part (35) has a maximum height (H1) less than a predetermined height (H), and the following relation is satisfied: H - H2 <5 mm <H1, where H1 is the maximum height of the inserted part (35), H2 is the height of the flexible collapsible bag (B) when fully open, and H is the predetermined height of the inner volume (V), measured between the bottom (20) of the outer container and the hole (21) of the outer container. 9. Packaging according to paragraphs. 1, 2 or 3, in which the bag (B) and the outer container (2) have a polygonal shape, each of the axial guide protrusions (E1, E2, E3, E4) having an inclined free edge (FE) to guide each upper edge of the package (B) in the peripheral upper region, which is limited between the insertion part (35) and the upper part of the outer container (2), completely above the inclined free edges (FE) in the installed position of the upper installation part (13). 10. Packaging according to paragraphs. 1, 2 or 3, in which the insertion part (35) has a first cut-out (61) and a second cut-out (62) on the opposite side of the first cut-out, each of the first cut-out and the second cut-out having a width greater than the height, and a packet (B) contains two opposite folds (9a, 9b), which are straightened through the first cutout (61) and the second cutout (62), respectively. 11. The packaging according to claim 10, further comprising: measuring accessory (100) having a cup (101) and a handle (102); and a holding device (60) for storing measuring accessories (100) in a storage position in which the handle (102) extends completely above the inserted part, moreover, the first cutout (61) is located at least partially next to the cup (101) in the storage position, the holding device (60) is connected to the first side (31c) of the frame (31), and the second cutout (62) passes near the second side (31d) of the frame, which is parallel to the first side of the frame. 12. Packaging according to claim 10, in which the bag (B) has an inner surface provided with at least one annular elastic tape (65) with an initial energy reserve in the bent state of the folds (9a, 9b) when the hole (11) of the bag ( B) closed by a detachable closure strip (10), wherein the elastic tape extends laterally with respect to the folds (9a, 9b) and is able to deform radially outwardly when the closure strip (10) is separated, so that the packet is automatically straightened out partially from the original open with standing in another state that is close to or identical to the fully open position. 13. Packaging according to paragraphs. 1, 2 or 3, in which the frame (31) comprises an annular transition part (38) between the insertion part (35) and the upper mounting part (13), the transition part tapering down and defining a concave surface (S38) facing outward. 14. Packaging according to claim 13, in which the frame (31) comprises a holding device (60) that extends perpendicular to the central axis (X) and has an opening (60a), the holding device (60) connected directly to the annular transition part (38 ) 15. Packaging according to paragraphs. 1, 2 or 3, in which the frame (31) contains a leveling element (70) containing: a hard free edge (72) that extends across the central axis (X), and two opposite ends (73, 74), moreover, the alignment element is located next to the same axial guide protrusion from the axial guide protrusions (E1, E2, E3, E4; E4 ') at each of two opposite ends (73, 74). 16. Packaging according to paragraphs. 1, 2 or 3, in which the lid (32) contains an inner girdle (36), which is pressed at least partially to the inner surface of the upper mounting part (13) in the closed position to prevent accumulation of food product (5) in the contact zone of the frame with a lid. 17. Packaging according to paragraphs. 1, 2 or 3, in which two opposite inner surfaces (F1, F2) are located at a smaller distance in the area near the bottom (20) of the outer container (2) to create less space between the bag (B) and the outer container (2) in lower part (90) of the internal volume (V). 18. Packaging according to paragraphs. 1, 2 or 3, in which the annular side wall (8) of the bag (B) has two opposite folds (9a, 9b), the bag (B) and the outer container (2) having a rectangular shape.

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