EP1495981A2 - Container - Google Patents

Abstract

A container (1), in particular for receiving a food (2), has a wall (6) with at least one layer (3, 4, 5). The container (1) has a removal opening (7) with a bent opening edge (8) and is closed at its end opposite the removal opening (7) end (9). At least the container wall (6) is formed from a two-dimensional blank (10), which is connected to itself to form a continuous container wall (6). In order for such a container (1) in a simple constructive and cost-effective manner while maintaining all the advantages of the known container (1) allows inspection of the container interior, the container (1) and in particular the container wall (6) is at least partially made of a transparent, or translucent , in particular liquid- or fluid-tight material (13), which is formable to form the container (1) and dimensionally stable after shaping.

Description

The invention relates to a container, in particular for receiving a foodstuff with the features of claim 1 and a corresponding blank for the production of such a container.

In practice, such containers are for example in the form of cups or the like in which a food for storage and subsequent removal or filled for direct consumption of the food from the container is.

An example of a squeeze container is known from EP 0 074 936 B1. This Crimp container has a tubular body with a wall of at least two Layers on. At the top of a discharge opening is used both for filling the food as well as the consumption of the filled food. At the bottom End of the squeeze container is closed. For the preparation of the container is a used two-dimensional blank, which rolled first and then with itself to Forming a continuous container wall is connected.

The material of the container wall is a relatively flexible and relatively stiff material such as waterproof paper or plastic. However, can be in this prior art container do not recognize if something and possibly what is filled in the container.

From Japanese Utility Model Publication JP 56-156 777 is another Container known, which also serves to receive food. This container is made of a laminate of stiff paper and applied on both sides Polyethylene layers formed. A lid for closing the container consists of a laminate of aluminum foil and on both sides applied to this polyethylene layers. The container is opaque, so that visually the inside of the container is not visible.

The invention is based on the object, a container having the features of the preamble of Claim 1 to the effect that in a simple constructive and cost-effective manner while maintaining all the advantages of the known containers an inspection of the container interior is possible.

This object is solved by the features of claim 1.

According to the invention also a corresponding blank for the production of a provided such container.

The container according to the invention is characterized by the use of a material for at least a part of the container wall, which apparently contradictory properties combined in an advantageous manner.

In order to be able to store the food safely in the container, the material according to the invention is preferably liquid-tight or fluid-tight. As a result, the inflow and outflow of liquid fluids and / or the inflow and outflow of gaseous fluids is prevented. In dry, in particular free-flowing foodstuff gas-tightness may be sufficient in this context, which can be dispensed with gas-tightness, if the food by contact with a gas such as O ₂ or the like does not negatively change its relevant for the consumption properties.

At the same time, this material is transparent. This results in a number of advantages, such as that after manufacture of the container from the corresponding Blank is visually detectable in a simple manner, whether the container interior foreign body and especially contains or is contaminated. This optical Transparency of the squeeze container is at least in the visible range (translucent) of the spectrum, however, can also be converted into the neighboring spectral ranges, i.e. extend at least in the direction of the infrared and / or ultraviolet. The Transparency also allows, while filling the appropriate food to easily monitor its degree of filling. In particular, while the Monitoring from a direction perpendicular to the filling done.

The transparency of the material has advantages in addition to the filling of the container Also, a number of benefits to the consumer, who the appropriate food remove from the container or consume directly from this.

Also for the consumer it is important to make the filling level of the food easier Way to determine. Furthermore, in addition to the amount, for example, the Consistency of the filled food recognizable. This applies analogously for eventual Discoloration or coloring of the food. Such discoloration can For example, allow conclusions about the freshness of the food, with intended Colorings of the food an additional optical purchase incentive can give.

Another advantage of the transparency of the material is that when consumed not just about the removal opening is detectable, where the food relative to the removal opening but it is also detectable through the wall of the container is. This prevents, for example, that when tilting the container foods unintentionally emerges from the removal opening.

In principle, it is sufficient if only part of the container wall from the transparent or translucent and preferably liquid and / or fluid-tight material is formed. The remaining part of the container wall can stiffened in the usual way Paper or the like may be formed. However, it is according to the invention of larger Advantage, if the entire container wall is formed from this material, so that Each point through the container wall, the container interior is recognizable. That's it unnecessary, first to rotate the container if necessary, to the transparent container wall section find. However, the container wall is only in one section transparent / translucent, this extends favorably over the entire Height of filled food to both the maximum degree of filling as well to be able to observe a decrease in the degree of filling when consumed. It can be enough for that be when the container wall along the height of the filled food It also has a number of sections made of the appropriate material from each other in the container longitudinal direction and optionally in the container circumferential direction can be spaced.

As appropriate material can polypropylene (PP), polyvinyl chloride (PVC), polystyrene (-styrene) (PS), polyamide (PA), polyethylene terephthalate (PET), polyester or the like be used.

In order to improve the tightness of the corresponding layer material, if necessary, the layer can be provided on one or both sides with a lacquer layer.

To put pressure on the container by the consumer to eat the food To exercise, the container wall can be flexible. This also applies to the corresponding transparent or translucent, preferably liquid or fluid-tight material.

To connect the blank for making the continuous container wall with itself To be able to roll this, for example, to side edges together bump. Along this edge impact is then the connection of the blank with itself, optionally also using additional connecting agents can be. In general, the connection takes place in this context by heat and / or pressure.

It is also possible not to roll or fold the container only connect along the corresponding edge joint, but to form an overlap area of the blank by the mutually associated edges, wherein this overlap region extends in particular in the container longitudinal direction and wherein in this overlap area the connection of the blank with itself takes place.

When the transparent and fluid-tight material reaches the upper end of the corresponding Blank extends at the finished container in the removal opening is formed, or even with completely made of this material container wall, can the opening edge of the removal opening without property change of appropriate material umbugbar or be rolled up. This will ensure that also the opening edge has properties such as transparency, fluid tightness and Has dimensional stability of the material.

Since the corresponding material is dimensionally stable after shaping, is at the opening edge ensure that this even after folding or rolling its appropriate Maintains shape.

Furthermore, the moldability without property change of the material is used, for example to avoid a so-called white break. This occurs, for example Materials that are initially transparent, but after deformation or buckling a generally linear, whitish clouding of the otherwise having transparent material. Such a white break could otherwise also occur in areas of the wall where a consumer holds the container or to remove the food exerts a corresponding pressure, resulting in Can result in buckling or folding lines. Even if such property changes are partly acceptable, for example, at the opening edge, but they are special advantageously avoided.

In particular, when the entire container wall is formed of the material is not only the entire container according to transparent / translucent and liquid / fluid-tight, but also after shaping dimensionally stable. This dimensional stability is below important in storing or transporting the container between the place of manufacture and filling place. Furthermore, the container remains through appropriate dimensional stability even without additional measures during filling at least in the region of its removal opening open, so that the food is easy to fill. The dimensional stability is also helpful in eating the food, taking the container yourself after partial or complete removal of the food still maintains its shape. If the container is squeezed to eat the food by applying pressure, The dimensional stability is helpful in essentially following the completion of pressing here again assume the initial shape of the container, causing the Retracting food more into the container interior.

The dimensional stability is also a property that should not be changed to be For example, in the overlap area to maintain sufficient stability, as well Transparency and tightness.

To possibly layers of different properties with respect to transparencies and to be able to combine fluid-tightness with one another, the container wall can be made of be formed of a corresponding two- or multi-layer material, each the layers is transparent. At this point it should be noted that "transparency: too only for translucent and "fluid tightness" even for liquid tightness or Gas-tightness can and should always be understood.

An outer layer can in this context of PP, oriented PP (coextru coated or painted), PE, PET, PET (painted), PA, oriented PA (painted) or the like be formed. The following materials are conceivable for the inner layer: PP, PVC, PS, PA, PET or the like.

With regard to the various layers, it is advantageous if these, for example laminated. Such a laminate can be made over a large area of the corresponding layer and a blank can then be punched out of the laminate or in be made in other ways. By the use of such a laminate is Ensuring that the connection of the layers to each other while maintaining the corresponding properties is certainly possible.

Another way to make the layers and connect them together seen to be coextruded.

To a corresponding blank for the container in a simple way for already hitherto used for similar containers devices both for the production as well to use for filling, the undeformed blank strictly two-dimensional be. As a result, such a blank can be easily stacked on the one hand for transport and on the other hand in a simple manner in a corresponding device for folding or Pull in the rolls of the container from the blank.

It is advantageous in this context, if at least the outer Side of the blank have a certain roughness or base friction, the For example, slippage of corresponding feeding devices relative to Prevent cutting.

Both during transport of the container in the unfilled, in the already filled state as also in the provision of the filled squeeze container or use by a consumer is the possibility that the squeeze container in contact with sharp or sharp objects comes. In this context it is advantageous if the corresponding material of the container wall a certain mechanical Has resistance to such objects, causing damage prevents either the transparency or fluid tightness of the material could negatively influence.

To prevent in the manufacture of the container or in the later Handling especially in the area of the wall creates a negative visual impression, can in two- or multi-layered construction of the material, the corresponding Layers permanently connected to each other inseparably. Otherwise could through Partial release of the layers from each other the impression of blistering or the like arise, whereby, if necessary, in addition to the visual impression the transparency of the material could be negatively influenced.

Examples of such permanently insoluble compounds are those described above Lamination or coextrusion.

Regardless of the number of layers of the corresponding material, it is in the Usually sufficient if only one of the layers or the only one of the used Layers, with several layers, in particular the middle layer, an elastic, However, permanently deformable and dimensionally stable after deformation layer.

In order to achieve optimal fluid tightness, it may prove advantageous if the impermeability to liquid and to gas through separate layers is achieved. This can be achieved, for example, in that at least one inner layer is liquid-tight and / or one of the other layers is gas-tight.

It is possible in the overlap area through the corresponding layers additional connection means, such as an adhesive or the like, to connect together. In a simplified embodiment, outer and / or inner Layer be formed at least in the overlap region as a connecting layer.

With regard to the material of the layers should be noted that, for example one of the layers is a heat-insulating function for cool or warm foods and / or even the possibility exists that all layers Microwell permeable, for example, a food within the container to warm up.

Of course, there is also the possibility of fluid tightness to liquid and to achieve gas through just one layer.

In particular in the overlap area but also in the area of the removal opening and their Opening edge and along all other edges of the blank results sometimes as a problem that these edges or free ends of the corresponding material are insufficiently sealed. As a result, in particular, liquid ingredients of the food or also on the outside of the squeeze container located liquids, such as condensation, penetrate into the material. Such Penetration usually changes the thickness of the corresponding material or at least a layer of the material so that warping of the material can result which adversely affect the overall visual appearance. The intrusion of such Liquid over the free ends or edges of the layers can also cause that the container as a whole will leak or properties such as his Dimensional stability, loses. Such penetration of particular liquid can continue cause the squeeze container to soften surface and material detached from the container. These disadvantages can be prevented by the edges the layers are formed fluid-tight.

In order to make the container visually appealing or to display information, At least one of the layers may be provided with an imprint.

Both in the processing of a corresponding blank for the production of the container as well as during later filling or use of the container by the consumer It is advantageous if the imprint is rubbelfest. That means the imprint neither rubbed off by direct contact nor by action on one of the layers is.

In a single-layered construction of the container wall material, the imprint is on an outside of the container printed. This applies accordingly to coextruded layers. In otherwise multilayer structure, however, it is advantageous if the imprint on an inner side of the outer layer and / or an outer side of the middle one and / or an inner side of the middle and / or an outer side of the inner layer is provided. This allows you to combine several prints together, these differ in graphic or color design can.

To connect the blank with itself enough heat in a simple way At least one of the layers may be ultrasonically absorbent be. The absorption of the ultrasound results in a heating of the corresponding Layer that is at least so strong that the layer sufficiently softens to with a standing with her in edge contact or in surface contact layer according to Cooling an intimate and especially fluid-tight connection. This can of course also for both together in the overlap area in Contact standing layers apply, especially if these are made of the same material are formed. It should be noted in this context, however, that the heating of the corresponding material by ultrasound does not lead to that after bonding and cooling the transparency of the material adversely affected is.

If the layers are formed by a laminate, it can be considered advantageous when the imprint is printed before laminating the layers. This will on the one hand prevents it from damaging influences directly on the outside of the container on the other hand no harmful effects on the food to be feared.

In the layer structure of the material also exists the possibility that at least one of the layers is a laminate itself.

There is also the possibility that only two or more layers of the corresponding Materials are coextruded.

To close the container at its lower end, there are several possibilities.

In one embodiment, the closed end may be formed by connecting lower ones Be formed end portions of the wall. This essentially also becomes that Locked end formed by the container wall and its material and is transparent and in particular fluid-tight.

Preference is given to the lower end portions of the wall before joining together pressed so that also by appropriate heat effect a connection the wall sections can be done with itself.

It is also possible to have a separate part for closing the container to use, so that, for example, the closed end of a ground use having. This can be made of a separate blank.

For ground use, it is usually not necessary that this also transparent is. However, there is the possibility of the bottom insert of the same material how to make the container wall and also in the connection of ground use and to apply container wall according to heat and pressure.

For closing the container in the region of the removal opening can in particular derem opening edge of a lid tightly sealed.

The material used for container wall and possibly also ground use is Although transparent, but may have a color. That means that the material is not is clearly transparent, but red, yellow, green or the like and optionally more colored is transparent.

To possibly a negative influence of the food by the imprint To avoid this, with single layer material on an outside of the Be container printed. This can analogously with multi-layered, on polyethylene based material. Such material may also be co-extruded produced. Of course, there is no negative influence on the food through the material of the container or through an intrusion or loss of fluid due to container tightness.

Even when the container falls down in the unfilled or filled state To prevent this is easier to damage, the material can be impact resistant and / or puncture resistant.

For the container different cross-sectional shapes are conceivable, which are also on the Can change container longitudinal direction. This change does not only cover dimensional changes an otherwise same cross-section, but also changes other cross-sectional shapes. Examples of such cross-sectional shapes are circular, approximately polygonal, approximately quadrangular and in particular square, oval, bean-shaped or similar.

The imprint can both in the usual way by imprinting a corresponding Be prepared by means such as paint or the like. There is also the possibility that the imprint not only by imprinting such a color, but also by impressions in the appropriate layer or scoring or the like is made. The imprint can also have a three-dimensional effect or a hologram or at least have such a, wherein the imprint may also have a gloss effect.

There is also the possibility that the print up to a window the whole Container wall covered, and that only through this window the container interior is visible. In this context, it is also conceivable that several such Viewing window arranged in the container longitudinal direction and / or in the circumferential direction of the container are. As a result, various areas inside the container are visible.

Depending on, for example, coloring of the imprint, there is still the possibility that only after at least partial removal of the food the imprint itself becomes visible. This can be done, for example, that the imprint the same Color as the stuffed food has. It is also possible that certain Parts of the imprint only after sufficient removal of the food and exposing these parts are visible and thus a changing imprint result. Such appearing or changing print can be, for example serve to enable certain raffles or the like, where only after sufficient removal of the food is recognizable, if necessary has won something.

The opening edge can be rolled up, as already mentioned above. This curling can be a simple or even multiple roles. In a bent Opening edge, it is also conceivable that this by an angle of 90 ° or more is bent relative to the rest of the wall. This means, for example, at an angle of 90 °, the opening edge substantially radially outward from the discharge opening from.

To at any point of the removal opening, for example, a liquid food to be able to drink from the container, the opening edge extends advantageously along the entire circumference of the removal opening. However, it is also possible that the opening edge is formed only partially and / or in places circumferentially.

Thus, the properties of the container described above and in particular whose material does not only give, for example, room temperature, but also be present in a larger temperature range, it is considered favorable, if the container and in particular its material at least in the temperature range from -50 ° C to + 120 ° C, for example to the sterilizer, is stable. This resistance relates, for example, dimensional stability, transparency, fluid tightness and the like. In connection with the imprint, it should be noted that it also gives temperature-sensitive imprints, which also used according to the invention can be. Such an imprint would, for example, at a certain temperature change its color and thereby possibly also its information content. For a consumer can be determined in such a way, for example, if at a cooled food is a sufficiently low temperature, or whether a heated food is also warm enough.

To stock a variety of containers in a simple manner and from the To be able to remove container stock, the container can be stackable and unstackable.

Regarding the dimensional stability of the container is still to be noted that this particular Also important for the connection in the overlap area and the opening edge can, for example, to continue the container shape in the overlapping area, the means a round or oval container, for example, in the overlapping area to give appropriate form. In addition to be prevented by the dimensional stability, that leaks occur in these areas.

For chilled or warmed foods, the appropriate temperature should be be kept as unchanged as possible over a certain period of time. For this purpose, at least one of the layers may be formed as a thermal barrier coating. Such a thermal barrier coating can on the one hand due to the specific material be thermally insulating. On the other hand, there is also the possibility that the layer contains heat-insulating material, such as air or the like, or an air gap is formed between two adjacent layers.

It is also possible with the container according to the invention that at least one of Layers, in particular the outer layer, of an opaque material and the remaining or remaining layers, in particular the middle and the inner layer of a transparent or translucent material are formed. The layer or Layers of opaque material are only in places on the other Layer or applied on the other layers, leaving where the layer is made opaque material is not appropriate, according to the inside of the container is visible. In this case, the layer of opaque material from different, also be formed unconnected sections that result in a pattern on the container. It is also possible that the layer or layers of opaque Material are mounted inside the container on the or the remaining layers.

For a layer of opaque material and at least one other layer from the transparent or translucent material, it may be considered advantageous when the corresponding layers are interconnected, that, for example, the inner layer with the outer layer on the particular entire inside is connected to this. This can be done both by a separate Adhesive as well as by melting one of the layers during the bonding process respectively.

To provide a favorable visual appearance, it may be advantageous be when one of the layers of a metallized or at least partially metallized Side has. In one embodiment, an outside of the outer Be metallized layer. This is then a thin layer of metal, such as Aluminum, on the outside of the container. This can be done on the whole Be applied outside of the outer layer.

To the container from a corresponding blank easily and safely and / or a corresponding opening edge of the container for curling or folding around easily to make in otherwise conventional machines, the container wall can at least a viewing window in particular only the one or the transparent or translucent Layers outside the overlap area and / or outside the opening edge exhibit. By the arrangement of such windows outside this Areas are made sure that neither when gluing or connecting the blank in the overlap area, still in the production of a bent or rolled-up Randes adverse effects due in particular to the edge of the corresponding View window occur. This represents one, albeit at a low altitude trained level on the container wall.

As already mentioned, the invention also relates to a blank for the production a previously described container, wherein the blank at least for Production of the container wall and optionally the closed end and the Opening edge serves.

In the following, advantageous embodiments of the invention with reference to in the Drawing attached figures explained in more detail.

Figur 1

eine Seitenansicht eines ersten Ausführungsbeispiels eines erfindungsgemäßen Behälters;

Figur 2

einen Schnitt entlang der Linie II-II aus Figur 1;

Figur 3

einen Schnitt entlang der Linie III-III aus Figur 1;

Figur 4

eine Seitenansicht eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Behälters,

Figur 5

eine Draufsicht auf einen Zuschnitt zur Herstellung eines erfindungsgemäßen Behälters nach Figur 1, und

Fig. 6-14

Seitenansichten von weiteren acht Ausführungsbeispielen eines erfindungsgemäßen Behälters mit wenigstens einem Sichtfenster.

Show it:

FIG. 1

a side view of a first embodiment of a container according to the invention;

FIG. 2

a section along the line II-II of Figure 1;

FIG. 3

a section along the line III-III of Figure 1;

FIG. 4

a side view of a second embodiment of a container according to the invention,

FIG. 5

a plan view of a blank for producing a container according to the invention according to Figure 1, and

Fig. 6-14

Side views of another eight embodiments of a container according to the invention with at least one viewing window.

Figure 1 shows a container 1 in side view, which is cup-shaped. Of the Container 1 has a removal opening 7 at its upper end in FIG a rolled opening edge 8, see also Figure 2, is edged.

On the opening edge 8, a lid 21 is mounted tightly. At least in one place stands from this in particular radially outward from a lid handle 22 from which to Pulling the lid 21 from the opening edge 8 is used.

In the container interior, a food 2 is filled, the liquid, pasty, pour or can be free flowing. The food 2 is in the container to the filling level 23rd filled.

The container 1 has a container wall 6, which by a blank of Figure 5 is formed. The container wall 6 is made of a transparent and fluid-tight material produced.

In the embodiment of Figure 1, the container 1 at its the discharge opening 7 opposite end 9 on a bottom insert 25. This is at least partially pushed from the outside on the wall 6 or inserted into this and fluid-tight connected to this.

The bottom insert 25 may be made of the same material as the container wall 6 be.

The container 1 has an imprint 15 in the region of the container wall 6. The corresponding Imprinting can in particular in a single-layer material for the Container wall on an outer side 26 of the container 1 and on the outside of the container wall 6 done. For a two- or multi-layered construction, see in particular 3, the imprint on an inner side 16 of an outer layer 3 and / or on an outer side 17 of a middle layer 4 and / or on an inner side 18 of the Middle layer 4 and / or printed on an outer side 19 of the inner layer 5. Depending on the used layer material results from the different arrangements the printing on one of the sides of one of the layers another optical Appearance, with also imprints due to the transparency of the container wall. 6 can be combined with one another on different layers or sides of the layers are. By such a combination, an optical effect, such as give an apparent three-dimensionality of the imprint. In addition, by the Combination of different imprints optionally color combinations of different colors Imprint when looking at the combined imprint from the outside possible for a consumer.

FIG. 2 shows a section along the line II-II from FIG. In this figure is in particular recognizable in which way the container wall 6 at the upper end to Forming the opening edge 8 is bent or rolled outwards. By selection the corresponding layer materials of the container wall results in the deformability forming the opening edge and the dimensional stability after deformation.

In Figure 3 is a section along the line III-III through the container wall 6 and the blank 10 shown in FIG. In the illustrated embodiment, the Container wall constructed of three material layers.

If only one layer of material is used, this can be made of polypropylene, for example (PP), polyvinyl chloride (PVC), polystyrene (styrene) (PS), polyamide (PA), polyethylene teraphthalate (PET) or the like. Such a single-layer material is optionally to achieve a better seal against fluid with one or two layers of varnish on the opposite sides.

For two or more layers, see reference numerals 3, 4 and 5 in FIG. 3, for example the inner layer made of PP, PVC, PS, PA, PET or the like while the outer layer is for example PP, oriented PP, polyethylene (PE), PET, PA, oriented PA or the like, wherein in particular oriented PP, PET and OPA can still be painted. It is also possible that the oriented EP is coextruded.

The various layers 3, 4 and 5 of Figure 3 can be used as single layers for Forming the container wall 6 are connected to each other. There is also the Possibility that the layers form a laminate that incorporates at least one of the layers Laminate is or that the layers are coextruded.

It has already been pointed out that for a single layer material for the Container wall 6 of the corresponding imprint 15 on the outside 26 of the container. 1 printed on, whereas in the case of a multi-layered structure, in each case corresponding and outsides of the different layers can be used without being on an outer side of the outer and an inner side of the inner layer imprinted is applied.

FIG. 4 shows a second exemplary embodiment of a container 1 according to the invention shown. In this as well as optionally in the container 1 of Figure 1 is the Container wall 6 flexible, so that a pressure is exerted on the container 1 from the outside can to remove the food 2 in the direction of removal opening 8 for removal or to move for consumption. Where appropriate, especially in frozen products such as ice cream, in addition to pressure still heat from a hand of one Transfer consumer so that a layer of liquefied food 2 at least between this and an inner side of the container wall 6 forms. Both preceding materials for the various layers 3, 4, 5 of Figure 3 is flexibility the container wall 6 given. At the same time, in particular, through the use of PET (polyester) a layer material in use, the container 1 of Figure 1 or Figure 4 stabilized in the appropriate form. Such a layer material is Although flexible, but also relatively stiff.

The container 1 according to FIG. 4 can have a handle 24 at its closed end 9 have, which is also formed by a blank 10 for the container wall 6. To form this handle 24 are lower end portions 20 of the blank 10, see Figure 5, pressed together after rolling the blank in the corresponding shape of the container and intimately and fluid-tight by applying heat connected. Even without the formation of such a handle can the closed end 9 are formed by the connection of these lower end portions 20.

For simplicity, in the container 1 of Figure 1, a corresponding imprint 15th not shown in FIG.

In the blank 10 of Figure 5 is still to be noted that this is a circumferential Edge 14 has. This is optionally to prevent intrusion of Fluid sealed or sealed. After rolling the blank 10, the rolled state For example, be fixed by that mutually assigning longitudinal edges 14th are arranged on impact and so together or by an additional means of connection get connected. There is also the possibility that the Edges 14 to form a substantially in the container longitudinal direction 11 extending Overlap area 12 overlap and the attachment of the blank with itself directly via a compound of outer layer 3 and inner layer 5 takes place. Possibly can additionally be arranged in the overlap region 12 an adhesive.

To form the corresponding handle 24 of Figure 4, the lower end portions 20 of the blank 10 pressed together and connectable to each other, wherein This connection can be made simultaneously to the connection in the overlap area 12. One Upper end portion of the blank 10, which is marked with "8", is used after folding or rolling outwards, see Figures 1 and 2, as the opening edge. 8

The illustrated embodiments of Figures 1 and 4 are only exemplary and Other container shapes are conceivable, such as, for example, in comparison to FIG. 4 conically shaped container, tubular elongated container or the like. There is also the possibility that the corresponding transparent and fluid-tight material for the container wall 6 only one peripheral portion of the container wall is arranged in the container longitudinal direction 11, while the remaining portions of the Container wall 6 are opaque. In this case, this corresponding transparent section also arranged spaced from one another in the container longitudinal direction 11 Assemble subsections, possibly even in the circumferential direction of the container 1 are offset from each other. To simplify the production of a corresponding Container 1, however, it is generally advantageous if the container wall. 6 in total from the corresponding transparent and fluid-tight and optionally multilayer material is constructed. This facilitates in particular the arrangement the imprint 15 in the interior of the material of the container wall. 6

Figures 6 to 14 show a further eight embodiments of an inventive Container. Although in the embodiments, a substantially conical container however, the arrangement of the viewing window (s) is just as for each other container of the invention is possible. The following containers differ in particular by the shape, arrangement and / or number of viewing windows, so that in particular these will be described below. The remaining details the container 1 correspond to those of the preceding figures and descriptions.

In FIG. 6, a substantially rectangular viewing window 27 is in the outer one Layer 3 of the container wall 6 is formed. This extends in the longitudinal direction of the container 1 between lower end 9 and opening edge 8. Laterally next to the window 27 are dashed some level marks shown.

FIG. 7 shows an oval viewing window with a longer axis in the longitudinal direction of the container 1. The viewing window 27 is surrounded by the outer layer 3 accordingly and is replaced by one or more layers of transparent or translucent Material formed.

FIG. 8 shows an oval viewing window 27 with its longer axis transverse to the longitudinal direction of the container 1 is arranged.

In FIG. 9, two oval viewing windows 27 according to FIG. 8 are arranged one above the other.

In Figure 10, quadrangular viewing windows 27 extend at an acute angle to Longitudinal direction of the container 1.

In FIG. 11, in another exemplary embodiment, three rectangular viewing windows 27 are shown aligned with its longer axis parallel to the longitudinal direction of the container 1.

In the preceding embodiments as well as in the following embodiments it is in each case possible that in the circumferential direction of the container more Such viewing window also with other geometric shapes and with other number are arranged. As an example, the oblique quadrangular viewing windows 27 combined according to Figure 10 with the other quadrangular viewing windows 27 of Figure 11 be. Further combinations of different geometric shapes and numbers Viewing windows are obvious.

In Figures 12 and 13 is another embodiment in two different Side views shown. It can be seen in particular that the corresponding View window 27 not in the overlap area 12 or to the opening edge 8 extends. This ensures that both the connection of the container wall on the one hand not yourself in the overlap area 12 not by, for example, one Opening edge of the viewing window is not obstructed and on the other hand in the corresponding Machines a bent or rolled opening edge 8 readily produced is. Therefore, the viewing windows also extend in the other embodiments not to these areas.

In Figure 14, another embodiment of a viewing window 27 is shown at whose longitudinal side is parallel to the inclination of the container wall 6. Also in In this context, it is possible, both this window with viewing windows other geometric shape and to combine with several such windows. There is also the possibility of another viewing window 27 similar to the To arrange according to Figure 14 below the viewing window already shown. This can both in extension of the illustrated viewing window 27 and offset from this be arranged.

In the following, the advantages according to the invention will be briefly discussed again with regard to consumer and processing-related benefits.

Among the consumer-relevant advantages according to the invention is that the corresponding Container characterized by some visual features. For example the container can be made with different shapes, such as oval, circular, in about square or even polygonal and bean-shaped and the like. By the transparency especially in the visible spectral range is also the content of the Container visible without opening. Both level and condition of the Food can be easily checked. Through the different Possibilities of printing yield further visual advantages. The imprint can also be carried out in such a way that gives a gloss effect and a gloss effect, which emphasizes the imprint visually particularly. In addition, the imprint can be a Have 3D effect. There is the possibility of keeping the entire container up to print at least one window. The imprint can be formed by a hologram be, which offers further optical advantages. In addition, the imprint can at least partially visible only on removal of the food, which, for example a message to the consumer for a profit or the like can be given.

For the consumer, there are a number of other functional advantages in the inventive container.

One of these advantages is the tightness of the container against gaseous and / or liquid fluids. The tightness affects both an input and a Ausdringen the corresponding fluids. It can also be dispensed with a corresponding fluid tightness be, if a particular dry food is filled in the container, which, for example, by replacing a gaseous fluid through the container wall is not adversely affected in its relevant for the consumption properties. This means that this food, for example, by oxygen, carbon dioxide or the like is not attacked and continues to be consumed without restriction suitable is.

Further advantages of the container according to the invention are its flexibility, by the the appropriate food can be squeezed out of the container. At the same time, however, the container is so resistant to external influences, that it is impact resistant and shockproof. That is, in a fall of the This container is not damaged and even more pointed objects can not so easily pierced.

At the same time, the container is elastic so that it returns to its original state even after pressing Takes shape. The tightness of the container is also advantageous because both fluid can not enter and exit.

The resistance of the container also extends to the connection of the individual layers, so that even a partial detachment of a layer prevented is. Overall, the container is excellent for storing a food suitable, without this by external influences or by materials of the Container is adversely affected in terms of its properties in terms of consumption. The dimensional stability of the container is just chosen so that it is flexible, however returns to its original form automatically and also in particular in the deformed areas of the container, such as edge or glued together layers, maintains the given shape as well as its other properties.

Also, the imprint is designed and arranged to reflect the characteristics of the food not negatively affected or in any way easy from the container can be removed by scrubbing or the like. At the same time the container is off a material that feels comfortable even when chilled or heated Food offers.

In addition to this variety of consumer benefits, there is a similar variety of processing-relevant advantages.

The simple sealability of the container according to the invention during its production is an advantage, especially for the glued together parts of the blank important is. However, the container is not only in these glued areas tight, but also because of the materials of the container. Besides, the container is suitable for printing or applying an imprint in a simple manner, There are a number of ways to attach the imprint on one or more of them several layers of material.

The flatness of the blank makes it easy to process and transport.

Despite the flexibility of the container material, it is deformable and retains the desired deformed areas also in its shape, such as in the edge region of the removal opening. This dimensional stability continues to be effective for each other connected or bonded areas of the container, which also according to Container cross section to stay in shape. This results in a relief in the Further processing or filling of the container, as this by the dimensional stability always maintains its original intended shape and not, for example, one originally intended circular shape with time in an oval or still shallower shape changed.

Due to this dimensional stability and by corresponding deformation of the container results In addition, a good stackability and Entstapelbarkeit, also production technology and transport technology is advantageous.

The tightness of the container is when filling the appropriate food important, because both during filling and during subsequent transport no penetration or Ausdringen a corresponding fluid is to be feared.

Furthermore, it is advantageous that the container both in terms of deeper and also higher temperatures in terms of its properties and shape is resistant. That is, for example, a food is filled and then cooled properties such as tightness, flexibility, dimensional stability, Change transparency or the like. This applies analogously to elevated temperatures, the For example, for sterilizing the container are beneficial. Also, you can do it accordingly High temperatures also occur if the container is to be consumed heated food is used.

Finally, there is still a processing-relevant advantage that the container in easier Way is tightly closed by a lid, this cover in particular the removal opening can be placed and tightly connected to the corresponding opening wheel is.

The viewing windows allow insight into the container interior and are in optically more advantageous Way in different shapes and with different numbers anordbar.

Claims (47)

Container (1), in particular for holding a food (2), with a wall (6) having at least one layer (3, 4, 5), which container has a removal opening (7) with a folded opening edge (8) and at its the removal opening (7) opposite end (9) is closed, wherein at least the container wall (6) of a two-dimensional blank (10) is formed, which is connected to form a continuous container wall with itself,
characterized in that the container and in particular the container wall (6) at least partially from a transparent or translucent, in particular liquid or fluid-tight material (13) is formed, which is formable to form the container (1) and dimensionally stable after shaping. Container according to claim 1,
characterized in that the layer is formed of polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polyamide (PA), polyethylene terephthalate (PET) or the like. Container according to claim 1 or 2,
characterized in that the layer (4) on one or both sides with a lacquer layer (3, 5) is provided. Container according to one of the preceding claims,
characterized in that the container wall (6) is flexible. Container according to one of the preceding claims,
characterized in that the compound of the blank (10) is made with itself by heat and / or pressure. Container according to one of the preceding claims,
characterized in that the connection of the blank (10) with itself along a particular in the container longitudinal direction (11) extending overlap region (12) is formed. Container according to one of the preceding claims,
characterized in that the opening edge (8) is curved or rolled without a change in the properties of the material (13). Container according to one of the preceding claims,
characterized in that the container wall (6) comprises two or more layers (3, 4, 5), each of the layers being transparent. Container according to one of the preceding claims,
characterized in that an outer layer of PP, oriented PP (coextruded or painted), polyethylene (PE), PET, PET (painted), PA, oriented PA (painted) or the like is formed. Container according to one of the preceding claims,
characterized in that the inner layer is formed of PP, PVC, PS, PA, PET or the like. Container according to one of the preceding claims,
characterized in that the layers (3, 4, 5) are laminated. Container according to one of the preceding claims,
characterized in that two or more layers (3, 4, 5) are coextruded. Container according to one of the preceding claims,
characterized in that the undeformed blank (10) for facilitated processing is strictly two-dimensional. Container according to one of the preceding claims,
characterized in that the material (13) is mechanically resistant. Container according to one of the preceding claims,
characterized in that the two or more layers (3, 4, 5) are permanently connected to each other permanently. Container according to one of the preceding claims,
characterized in that one of the layers (3, 4, 5), in particular a middle layer (4), an elastic, but permanently deformable and dimensionally stable after deformation layer. Container according to one of the preceding claims,
characterized in that at least one inner layer (5) is liquid-tight and one of the further layers (3, 4) is gas-tight. Container according to one of the preceding claims,
characterized in that outer and / or inner layer (3, 5) are formed at least in the overlap region (12) as connecting layers. Container according to one of the preceding claims,
characterized in that edges (14) of the layers (3, 4, 5) are fluid-tight. Container according to one of the preceding claims,
characterized in that at least one of the layers (3, 4, 5) is provided with an imprint (15). Container according to one of the preceding claims,
characterized in that the imprint (15) is rubbelfest. Container according to one of the preceding claims,
characterized in that the imprint (15) on an inner side (16) of the outer layer (3) and / or an outer side (17) or an inner side (18) of the middle (4) and / or an outer side (19) of inner layer (5) is provided. Container according to one of the preceding claims,
characterized in that for generating heat for connection in the overlap region (14) at least one of the layers (3, 4, 5) is ultrasound-absorbing. Container according to one of the preceding claims,
characterized in that the imprint (15) is printed before laminating the layers (3, 4, 5). Container according to one of the preceding claims,
characterized in that at least one of the layers (3, 4, 5) is a laminate. Container according to one of the preceding claims,
characterized in that the closed end (9) is formed by connecting lower end portions (20) of the wall (6). Container according to one of the preceding claims,
characterized in that the closed end (9) has a bottom insert (25). Container according to one of the preceding claims,
characterized in that the bottom insert (25) is formed of a transparent material. Container according to one of the preceding claims,
characterized in that the material (13) is colored transparent. Container according to one of the preceding claims,
characterized in that the imprint (15) is printed at einschichtigem material (13) on an outer side (26) of the container (1). Container according to one of the preceding claims,
characterized in that the print (15) is printed on an outer side of the container (1) in a multilayer PE-based material (13), which is optionally made by coextrusion. Container according to one of the preceding claims,
characterized in that the material (13) is impact resistant and / or puncture resistant. Container according to one of the preceding claims,
characterized in that the container (1) is circular in cross section, approximately square, in particular square, oval, bean-shaped or even polygonal approximately. Container according to one of the preceding claims,
characterized in that the imprint (15) has a three-dimensional effect. Container according to one of the preceding claims,
characterized in that the imprint (15) is or has a hologram. Container according to one of the preceding claims,
characterized in that the imprint (15) leaves a viewing window on the wall (6). Container according to one of the preceding claims,
characterized in that the imprint (15) is visible only after at least partial removal of the food (2). Container according to one of the preceding claims,
characterized in that the opening edge (8) is bent outwardly at an angle of 90 ° or more relative to the remaining container wall (6). Container according to one of the preceding claims,
characterized in that the opening edge (8) is partially and / or locally formed circumferentially. Container according to one of the preceding claims,
characterized in that the container (1) and in particular the material (13) at least in the temperature range of -50 ° C to + 120 ° C is stable. Container according to one of the preceding claims,
characterized in that the container is stackable and unstackable. Container according to one of the preceding claims,
characterized in that at least one layer (3, 4, 5) is formed as a thermal barrier coating. Container according to one of the preceding claims,
characterized in that at least one of the layers (3, 4, 5), in particular the outer layer (3), opaque, and at least one other layer (2, 4, 5) is formed of a transparent or translucent material. Container according to one of the preceding claims,
characterized in that the layer or layers of transparent or translucent material with the one or more opaque layers are connected to the particular entire inner side. Container according to one of the preceding claims,
characterized in that one side of the opaque layer is metallised. Container according to one of the preceding claims,
characterized in that the container wall (6) comprises at least one viewing window (27) of in particular only the one or more transparent or translucent layers outside the overlap region (12) and / or the opening edge (8), which is bordered by the one or more opaque layers , Blank for the production of a container (1) according to one of the preceding claims.

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