• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention describes a container for liquids that makes it possible to reduce the gushing effect, facilitate recycling, reduce material, without the need to add complex manufacturing processes that increase technical complexity and associated costs. More in particular, said container is formed from a single multilayer sheet (4) comprising a multilayer of outer cardboard (17) partially joined to a flexible interior aseptic multilayer (18) by means of a minimal joining zone (U) between multilayers (17, 18), and where said container further comprises a ventilation hole (9) that passes only through the outer cardboard multilayer (17), located in an upper portion (1) opposite the pouring portion (2), to thus balance vacuum pressures created internally when the liquid is poured as a result of compression of the interior flexible aseptic multilayer (18) during pouring, thus avoiding spurts. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2817299A1
    申请号:ES201930853
    申请日:2019-10-02
    公开日:2021-04-06
    发明作者:Razola Pablo Ibáñez
    申请人:Ibanez Razola Pablo；
    IPC主号:
    专利说明:

    [0004] OBJECT OF THE INVENTION
    [0006] The present invention refers to a container for liquids that makes it possible to reduce the gushing effect, facilitate recycling, reduce material, without the need to add complex manufacturing processes that increase technical complexity and associated costs. More particularly, the present invention describes a single multilayer sheet container for liquids comprising an outer cardboard multilayer and an inner aseptic multilayer only partially joined by means of a minimal hermetic seal between said multilayers, and at least one ventilation hole no through hole located in the outer cardboard multilayer.
    [0008] BACKGROUND OF THE INVENTION
    [0010] Tetrabrik type multilayer containers for liquids have great advantages due to their protection against external agents, versatility of geometries and great efficiency in the manufacturing and liquid filling processes.
    [0012] These containers are basically composed of a multilayer sheet composed of several layers, the most important of which are the aluminum or metallized layer that prevents the entry of light, pathogens and oxygen into the liquid, and an outer layer of cardboard that confers the container of appropriate mechanical resistance for handling.
    [0014] Between both layers there are other layers, generally polyethylene, polyester, nylon, etc., which allow adding reinforcement of properties to the whole.
    [0016] Generally, the most common standardized packaging is composed, from outside to inside, of the following layers: PE (polyethylene) -Cardboard-PE-Aluminum-PE-PE.
    [0018] Therefore, although the layer system gives rise to a single sheet in the manufacturing process of the packaging material, a differentiation will be made between the "cardboard multilayer" and the "aseptic multilayer", the former being the one that confers resistance. to the container, properties of impermeability and ink printability, and the second - aseptic multilayer - which forms the aseptic protection of the liquid.
    [0020] Despite being a very widespread packaging system, they still have multiple unsolved disadvantages. In particular, one of these disadvantages is the gushing effect as a consequence of creating a vacuum zone inside the container by lowering the liquid level when it is served. In addition, when the air enters the container, when it comes into direct contact with the liquid, it affects its organoleptic properties and therefore the correct protection and preservation of the packaged liquid.
    [0022] To partially counteract the problem of gushing, in the state of the art, containers with caps, liquid outlet nozzles and aseptic sealing cutting rings are used that are larger than would be necessary, since practically half of the section of These closures are used to allow the entry of air from the outside into the container to balance the vacuum pressures that are created. In an alternative solution, containers are known in the state of the art, which make a through hole with a secondary plug on the opposite side of pouring, to avoid the vacuum and consequently the spurts during the pouring of the liquid, however, said The solution continues to present the penetration of air into the liquid, damaging its properties, the obvious discomfort and maneuverability when pouring the liquid, as it has to interact with two caps, and greater technical and economic complexity in manufacturing.
    [0024] Likewise, as this hole is a through hole, the aseptic laminate is perforated and the concept of "aseptic protection" is broken, even with the cap closed, a fundamental element for this type of packaging, as a consequence the organoleptic protection of the content worsens.
    [0026] Another of the localized disadvantages in the containers known in the state of the art, is the recyclability of this type of containers. In particular, since both layers are completely glued together, separation is difficult in recycling facilities.
    [0028] Alternatively, there is the “bag-in-box” concept, where an airtight aseptic bag from another manufacturing system is attached to a carton. The main reason for this configuration is the advantage of allowing a complete recyclability of the container, since the bags are only attached to the cardboard in an upper horizontal strip, remaining the rest of the free bag inside the cardboard box, making it very easy to completely remove the aseptic bag from the container once the interior content has been consumed.
    [0030] The process of shaping these aseptic bags is separated from the cardboard, and they are only joined in subsequent processes, making it a more inefficient process than the tetrabrik-type packaging described above.
    [0032] The known antecedents can provide solutions to some of the disadvantages mentioned in a particular way, but none simultaneously solves all the disadvantages effectively, with a manufacturing cost assumed by the sector, without the modification of the current manufacturing processes and / or the introduction of new elements that make and complicate the process and the final product.
    [0034] DESCRIPTION OF THE INVENTION
    [0036] The present invention aims to solve some of the problems mentioned in the state of the art. More specifically, the present invention provides a container for storing a liquid, comprising an upper portion which in turn comprises a pouring portion for pouring the liquid, a lower portion, and is formed from a single multilayer sheet comprising:
    [0037] - an outer cardboard multilayer partially joined to a flexible interior aseptic multilayer by means of a minimum bonding zone between multilayers, comprising:
    [0038] - a lateral strip extending longitudinally to an upper strip in the upper portion and to a lower strip in the lower portion,
    [0039] and where the outer cardboard multilayer comprises a ventilation hole that passes only through said cardboard multilayer, located in the upper portion opposite the pouring portion, thus balancing vacuum pressures created internally when the liquid is poured as a consequence of a Compression of the internal flexible aseptic multilayer during pouring, thus avoiding gushing.
    [0041] Said container for its conformation is sealed or hermetically closed in an upper and lower horizontal strip and a longitudinal vertical strip, which is why these areas coincide with the minimum areas of union between the aseptic and cardboard multilayers.
    [0042] In addition, by means of the non-through ventilation hole in the aseptic multilayer and through the cardboard multilayer, and by means of the hermetic sealing described, it allows to minimize the joint surface between the aseptic laminate and the cardboard laminate, it achieves that the walls of the aseptic multilayer shrink when the liquid is poured as an effect of the vacuum that is created and that the restrictions that the folds of the cardboard multilayer impose on this movement are minimized, so that unwanted spurts are avoided, allowing a flow of constant output liquid.
    [0044] The vacuum that is caused in the containers known in the art is transferred to a vacuum between the aseptic multilayer and the cardboard multilayer, and as a consequence the air that fills the space above the liquid level within the aseptic laminate in known containers, In the present invention, in contrast, it fills the space between the aseptic multilayer and the cardboard multilayer, therefore, the preservation of the organoleptic properties of the liquid is much more durable when the container is in use. An advantage associated with this effect is also the possibility of using pouring holes, nozzles, caps and cutting rings of smaller size than traditional containers.
    [0046] With regard to recyclability, as the aseptic multilayer and the cardboard multilayer are only partially joined, it allows easy separation in recycling facilities.
    [0048] Preferably, the bonding between multilayers is made by an adhesive element, such as polyethylene (generally in a hot melt liquid state). Consequently, as an additional effect, thanks to the minimization of this joint between multilayers, more than 75% of material can also be saved in the polyethylene layer or the equivalent adhesive medium that can be used.
    [0050] The partial bonding between multilayers also allows that, if accidental perforation occurs in the cardboard multilayer, it will probably not affect the aseptic multilayer, as long as such perforation does not occur on the inter-layer bonding surface, which roughly represents only 25% of the total package. Therefore, the probability of liquid loss and permanent damage to the container due to user accidents or during transport is significantly lower.
    [0052] Furthermore, both multilayers comprise a single sheet so it can be used in current shaping and filling processes, without adding significant technical complexity and consequently unnecessary additional costs.
    [0053] Preferably, the ventilation hole is located in the upper portion approximately close to or on the upper face of the container itself, and in a direction other than that of pouring.
    [0055] The reason for the above described is that the liquid presses against the cardboard walls, and if the ventilation hole were for example near the base, it would be trapped by the pressure of the aseptic multilayer that encloses the liquid against it, and would not allow a passage ventilation, losing efficiency in its operation.
    [0057] The surface of the aseptic multilayer exposed by the through ventilation hole of the cardboard multilayer can be painted, protected by a paper, by an adhesive card, or any other equivalent method that provides aesthetic advantages.
    [0059] Preferably, the container has a rectangular prism type configuration, although it could alternatively have a cube or even cylindrical configuration.
    [0061] The container can be shaped based on an initial template, therefore, in an embodiment of a rectangular prism type container, the upper face can comprise two ends or triangular "folds", which are folded sideways on each side.
    [0063] Preferably, the ventilation hole can be made on a side surface below one of the folded ends, in order to protect the aseptic multilayer against external agents. Specifically, for the rectangular prism type container, this hole can be below the fold produced in the upper sealing strip of the container, and opposite to the pouring direction or further away from the pouring portion or pouring hole: when this fold is formed a space of a few millimeters is created between the face of the upper portion and the fold, allowing air flow to the ventilation hole.
    [0065] These folds, which are generated to create different geometries, could pinch the aseptic multilayer and prevent or hinder the movement of its free walls during the compression process when the liquid is emptied, making all of its anti-spurting and organoleptic preservation functions lose effectiveness.
    [0067] To solve this drawback, and increase efficiency, the base template of the cardboard multilayer can be modified so that in the process of forming the container there is no such fold or the aseptic multilayer is not pinched.
    [0068] For example, as the fold takes place at the corners of the container and they are generally in the shape of a triangle, said triangles can be released by cutting said triangle from the multilayer cardboard template, for example, the one corresponding to the side opposite to the pour, which will be the corner of the container that is above the others when performing a service.
    [0070] As a consequence, the shaped container may comprise at the end opposite the pouring portion or hole a triangular end of exclusively aseptic multilayer.
    [0072] Preferably, said triangular end is inserted into the cardboard multilayer, thus further increasing the anti-squeeze effectiveness of the package. In this case, a corner piece from the same previous cut can be added, or an equivalent piece of multilayer cardboard that closes said corner externally.
    [0074] To avoid introducing this corner piece separately and its subsequent gluing, the total elimination of the triangle area can be substituted by some cuts in the cardboard multilayer, so that when they are formed they will not pinch the triangle of the aseptic multilayer. In the same way as in the previous case, the aseptic triangle can be inserted into the multilayer of cardboard once the container has been formed and the pre-cut cardboard can be folded against itself, acting as a corner piece covering the section in question.
    [0076] Likewise, a neckline or cavity can be added in the template to facilitate the introduction of the corner of the aseptic multilayer into the box of the cardboard multilayer.
    [0078] Note that the drawback described by the triangular multilayer cardboard folds may not exist for other geometries of the container, or the folds may differ according to the geometry of the container, but the solution may be equivalent to any of the proposals.
    [0080] For example, in an alternative embodiment the package may comprise a pyramidal portion in the upper portion. Preferably, in said embodiment the vent hole can be located on a triangular face of the pyramidal portion, below the triangle shaped pleats.
    [0081] An alternative container configuration may have an oval plastic portion in the upper portion. Most preferably, in a hollow "inverted cup" type configuration with the pour port at a distal portion.
    [0083] According to the method of shaping the pouring hole, for example, if it is done through a cutting ring inside a nozzle or through a flange that is manually removed, to later break the aseptic multilayer, it should preferably be added an additional section of union between the cardboard multilayer and the aseptic multilayer in the area that borders the pouring portion or pouring hole, so that the aseptic multilayer is solid and held by the cardboard when the cutting ring nails its tips in the aseptic multilayer to pierce it. In addition to not being the case, when the aseptic multilayer is perforated, the liquid could spill between it and the cardboard multilayer.
    [0085] Alternatively, if said pouring hole is already made in the aseptic multilayer, it is not necessary to add said additional junction section between aseptic and cardboard multilayers, since usually the nozzle that is applied to this type of packaging is hermetically assembled from the inside to outside of the aseptic multilayer and therefore there is not as much risk of liquid spillage between multilayers.
    [0087] To establish an order of layers in one of the multilayers, the package can comprise, from outside inwards, the following layers:
    [0089] Multilayer Cardboard: polyethylene - Cardboard - polyethylene
    [0091] Although not essential, if it has an internal polyethylene layer in the cardboard multilayer, it protects it against humidity inside the container.
    [0093] Aseptic multilayer: polyethylene (optional) -Aluminum / Metallized foil- polyethylenepolyethylene.
    [0095] In a second aspect of the present invention, a method of joining both multilayers of the container described above is described. This method makes use of, at least:
    [0096] - a cardboard multilayer base template comprising a hole at the location of the ventilation hole,
    [0097] - an aseptic multilayer insole,
    [0098] and that includes, at least, the stages:
    [0099] A. - apply an adhesive element to the cardboard multilayer and / or the aseptic multilayer in at least the minimum bonding area between multilayers,
    [0100] B. - Join the aseptic multilayer and the cardboard multilayer using the adhesive element.
    [0102] The joining zone described in step B could not comprise the strip described in the upper portion and the strip described in the lower portion, since said strips, preferably horizontal, could be made when the sealing of the hermetic seal occurs in the line. filling the container later. This depends on the sealing or welding machine. However, preferably the minimal bonding zone described does correspond to the minimal bonding zone defined in the shaped container, that is to say, said bonding zone of stage B comprises two lateral strips that extend longitudinally to an upper strip in the upper portion and even a lower strip in the lower portion, as a frame that borders the template.
    [0104] In a preferred embodiment of the bonding method, 100% of the surface of the cardboard multilayer and / or the aseptic sheet have an adhesive element on their surface. Consequently, a selective heating of the bonding zone is carried out and then both multilayers are bonded.
    [0106] Alternatively, you can use a roller engraved with the relief of the minimum joining areas between multilayers and apply the polyethylene hot to any of the multilayers to later join them.
    [0108] Likewise, an ultrasonic roller can be used to join both multilayers with the adhesive element previously applied on the entire surface of the cardboard multilayer and / or the aseptic multilayer.
    [0110] In another alternative embodiment in relation to the joint between multilayers, none of the multilayers has an adhesive element on the surface, and subsequently the adhesive element is applied selectively in the joint area by using a roller engraved with a relief corresponding to the joint area between multilayers.
    [0112] Preferably, the adhesive element is hot melt liquid polyethylene.
    [0113] Bonding can be accomplished by selective heating of the solid state adhesive element.
    [0115] In general, for the process of joining both layers on the joining surface between multilayers, the internal polyethylene layer of the cardboard multilayer can be used as an adhesive, by means of selective heating of the areas to be glued (blowers, radiant lamps, hot roller, etc.), ultrasound, or by means of molten polyethylene as an adhesive in an application process with at least the rollers described.
    [0117] As a consequence, in general the process of joining between multilayers comes from the hot melt of polyethylene applied to a multilayer to immediately join the other, or alternatively by heating a part of the already solidified polyethylene present in one or both multilayers.
    [0119] DESCRIPTION OF THE DRAWINGS
    [0121] To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of a practical embodiment thereof, a set of drawings is attached as an integral part of said description. where, with an illustrative and non-limiting nature, the following has been represented:
    [0123] Figure 1.- Shows a perspective view of a first preferred embodiment of a rectangular prism type container where the hermetic seal is shown that coincides with the joint areas between multilayers and the through ventilation hole of the cardboard multilayer.
    [0125] Figure 2.- Shows a perspective view of the preferred embodiment of figure 1, where the behavior of the container and the compression of the side walls of the aseptic multilayer during pouring is shown.
    [0127] Figure 3a.- Shows a plan view of a multilayer cardboard template corresponding to an individual container before folding, to form the container described in Figure 1.
    [0128] Figure 3b.- Shows a perspective view of the container of Figure 1, where the container is shown with the vertical longitudinal seal already made.
    [0130] Figure 3c.- Shows a detailed view of the upper portion of the container of the first preferred embodiment, where the location of the ventilation hole is shown below the fold of the upper strip.
    [0132] Figure 4a.- Shows a second preferred embodiment of the container to avoid pinching the triangle of the aseptic laminate, where a base template made of multilayer cardboard for shaping is shown.
    [0134] Figure 4b.- Shows the container made of the template of figure 4a without the cardboard triangle and with a corner piece to provide rigidity.
    [0136] Figure 5.- Shows a third preferred embodiment of the container to avoid pinching the triangle of the aseptic laminate, where the base templates and cuts to be made to shape the container are shown.
    [0138] Figure 6.- Shows a perspective view of a fourth preferred embodiment that presents a pyramidal portion in the upper portion of the container.
    [0140] Figure 7.- Shows a perspective view of a fifth preferred embodiment, where the upper portion of the container is oval and made of plastic.
    [0142] Figure 8.- Shows a front view of the engraving roller and the transfer roller for the application of an adhesive layer to the cardboard multilayer and aseptic multilayer templates.
    [0144] Figure 9.- Shows a perspective view of an ultrasonic multilayer bonding roller.
    [0146] PREFERRED EMBODIMENT OF THE INVENTION
    [0148] Figure 1 shows a perspective view of a preferred embodiment of a first aspect of the invention, where a container for storing a liquid is clearly shown with a rectangular prism-type configuration comprising a portion upper (1) comprising a pouring portion (2), a lower portion (3), and is made up of a single multilayer sheet (4).
    [0150] Said multilayer sheet (4) comprises an outer cardboard multilayer (17) partially joined to an interior flexible aseptic multilayer (18) by means of minimal joining areas (U) shown in Figure 1. Said joining areas coincide with the sealing hermetic (5).
    [0152] Specifically, it is shown that said hermetic seal (5) comprises an upper strip (6) in the upper portion (1) joined to a lateral strip (7) that extends longitudinally to a lower strip (8) in the lower portion (3 ) of said container.
    [0154] The pouring portion (2), in the preferred embodiment described by figure 1, has a cutting ring inside a nozzle (27), which, pushed by the rotation of a container cap during opening by the user, pierces the multilayer aseptic.
    [0156] Furthermore, Figure 1 shows that the joining zone (U) between multilayers (17,18) also comprises an aseptic and additional cardboard joint between multilayer section (10) that borders the pouring portion (2). Said additional section (10) has the objective of providing the necessary rigidity between multilayers in a preferred embodiment that has a cutting ring to facilitate tearing of the aseptic multilayer and prevent the liquid from being poured between multilayers.
    [0158] Likewise, figure 1 also shows that only the outer cardboard multilayer comprises a through vent hole (9) - not through in the aseptic multilayer - located in the upper portion (1) in a direction opposite to the direction of pouring the liquid , to balance the vacuum pressures created internally when the liquid is poured by compressing the inner aseptic multilayer during pouring, thus avoiding spurts.
    [0160] In the preferred embodiment described, the ventilation hole (9) is located inside the upper strip (6), which, once the container is formed, is folded into a flange, but never sealed against the upper face of the container, Therefore, there is an air space between the ventilation hole (9) and the fold for its correct operation, simultaneously managing to protect the inside of the container against external agents.
    [0161] Figure 2 shows a perspective view of the preferred embodiment described where the behavior of the container and the compression of the side walls of the aseptic multilayer during pouring is shown.
    [0163] As shown in figure 2, when liquid is poured and the vacuum is produced in the container, the aseptic multilayer (18) is compressed, because practically all the walls of the aseptic multilayer (18) are free to movement, except for the junction area (U) with the cardboard multilayer (17) which, being rigid, prevents its movement, however, said area is minimal.
    [0165] Also note that, said container, by means of the ventilation hole (9) that passes through the cardboard multilayer (17) - not through the aseptic multilayer (18) - and the hermetic sealing (5) described that allows minimizing the Joining zone (U) between the aseptic multilayer (18) and the cardboard multilayer (17), achieves the effect that the walls of the aseptic multilayer (18) contract when the liquid is poured as an effect of the vacuum that the restrictions that the folds of the cardboard multilayer (17) impose on this movement are created and minimized, so that unwanted spurts are avoided, allowing a substantially constant outflow of liquid.
    [0167] Figure 3a shows a cardboard base template (17 ') that corresponds to the cardboard multilayer (17), in the preferred embodiment described above, to form a rectangular prism-type container where the required folds are observed, the ventilation hole (9) and the minimum bonding areas (U) between multilayers (17,18) are shown.
    [0169] Figure 3b shows a perspective view of the container already folded for a discontinuous manufacturing system of an individual container, but open, before filling with liquid and first applying the corresponding hermetic seal to the base of the container.
    [0171] Figure 3c shows a detailed view of the upper portion (1) of the container of the first preferred embodiment, where the location of the ventilation hole (9) below the fold generated by the upper strip (6) is shown.
    [0173] The folds that occur in the container to create various geometries can pinch the aseptic multilayer (18) and prevent or hinder the movement of its walls during the compression process when the liquid is emptied, making the whole of its anti-bubbling and organoleptic preservation functions does not achieve the expected efficacy. In particular, in the corners of the aseptic multilayer (18).
    [0175] Consequently, to solve this drawback, figure 4 shows a second alternative preferred embodiment where the template (17 ') of multilayer cardboard (17) is modified so that in the process of forming the container there is no such fold.
    [0177] More in particular, figure 4 shows that, in a second preferred embodiment, the section corresponding to the opposite side of the pouring hole or pouring portion (2) is cut from the template (17 ') of multilayer cardboard (17) . Consequently, by means of this solution, when the container is formed, it has a triangle (13 ') in the aseptic multilayer (18), but not in the cardboard multilayer (17).
    [0179] As shown in figure 4, the resulting aseptic triangle (13 ') is inserted inside the cardboard multilayer (17). Finally, a corner plate (24) or corner is added to cover said area, providing the necessary rigidity to the container. This corner or corner (24) can come from the previous cutting of the template (17 ') of the multilayer of cardboard (17), so that no additional new material or cost is added.
    [0181] Figure 5 shows a third preferred embodiment, to solve the drawback that the fold of the aseptic multilayer (18) is pinched and hinders the movement of its walls. More in particular, figure 5 shows the alternative to the total elimination of the triangle (13) from the cardboard multilayer, by applying the cuts shown in figure 5, applied to the multilayer template (17 ') of cardboard (17) prior to folding.
    [0183] As the final package of Figure 5 shows, by applying said cuts when forming the package, the triangle (13 ') of the aseptic multilayer (18) will not be pinched. In addition, the final rectangular folds (25) resulting from the cuts made make it possible to eliminate the need for the butt plate (24).
    [0185] Figure 6 shows a perspective view of a fourth alternative embodiment of the container, where it is clearly shown that the container comprises a pyramidal portion (15) in the upper portion (1). Likewise, it is shown that the ventilation hole (9) of the cardboard multilayer (17) is located under a fold in a triangular face (16) of the pyramidal portion (15), opposite to the pouring direction.
    [0186] Figure 7 shows a perspective view of a fifth preferred embodiment, where it is observed that the container comprises an oval portion (19) of plastic in the upper portion (1). More specifically, in said embodiment, the oval plastic portion (19) has an inverted cup-like configuration with the pouring portion (2) at a distal end of said oval portion (19).
    [0188] In a second aspect of the present invention, a bonding method between the multilayers (17,18) of the described container is described, which makes use of at least:
    [0189] - a template (17 ') of multilayer cardboard (17) comprising a hole at the location of the ventilation hole (9),
    [0190] - an aseptic multilayer insole,
    [0191] and where said method comprises, at least, the steps:
    [0192] A. - apply an adhesive element (20) to the cardboard multilayer (17) and / or the aseptic multilayer (18) in at least the minimum bonding area (U) between multilayers,
    [0193] B. - Join the aseptic multilayer (18) and the cardboard multilayer (17) using the adhesive element (20).
    [0195] Figure 8 shows a preferred embodiment for the union of both multilayers, where the adhesive element (20) is applied, for example, hot polyethylene, by means of an engraving roller (21) that has a relief engraved with a surface which corresponds to the minimum joint area (U) and consequently also coincides with the hermetic seal (5), to which is added the surface corresponding to the additional section (10).
    [0197] Likewise, figure 8 also shows a transfer roller (22) of said installation, for transferring the adhesive element (20) to the engraved roller (21). More in particular, said transfer roller (22) or "blind" picks up the adhesive (20) in a liquid state and carries it towards the engraving roller (21).
    [0199] Figure 9 shows a perspective view of an alternative embodiment, where the joint stage B between multilayers (17,18) is carried out by means of at least one ultrasonic roller (26).
    权利要求:
    Claims (16)
    [1]
    1. - Container for storing a liquid, comprising an upper portion (1) which in turn comprises a pouring portion (2) intended to pour the liquid, a lower portion (3), and is formed from a single multilayer sheet (4) comprising: - an outer cardboard multilayer (17) partially joined to a flexible interior aseptic multilayer (18) by means of a minimum joining zone (U) between multilayers (17,18), comprising:
    - a lateral strip (7) extending longitudinally to an upper strip (6) in the upper portion (1) and to a lower strip (8) in the lower portion (3),
    characterized in that it comprises at least one ventilation hole (9) that passes only through the outer cardboard multilayer (17), located in the upper portion (1) opposite the pouring portion (2), thus balancing pressures vacuum created internally when the liquid is poured as a result of a compression of the aseptic multilayer (18) flexible interior during the pour, thus avoiding gushing.
    [2]
    2. - The container for storing liquids of claim 1, wherein the pouring portion (2) comprises a nozzle (27) with an opening and closing element, and a through hole through the multilayer sheet (4) .
    [3]
    3. - The container for storing a liquid of claim 1, wherein the pouring portion (2) comprises a through hole in the cardboard multilayer (17) and a flange attached to the aseptic multilayer (18) intended to be pulling and breaking said aseptic multilayer (18) to form a pouring hole.
    [4]
    4. - The container for storing a liquid of claim 1, wherein the pouring portion (2) comprises a through hole in the multilayer cardboard (17) and a nozzle (27) intended to facilitate threading and unscrewing of a cap and which incorporates inside a cutting ring to facilitate the perforation of the aseptic multilayer (18) when the cap is unscrewed for the first time, thus forming a pouring hole.
    [5]
    5. - The container for storing a liquid of claim 4, in which the joining zone (U) between multilayers (17,18) incorporates an additional section (10) for joining between multilayers of cardboard (17) and aseptic multilayer (18) that borders the pouring portion (2).
    [6]
    The container for storing a liquid of claim 1, having a rectangular prism-like configuration.
    [7]
    7- The container for storing a liquid of claim 6, wherein the ventilation hole (9) is arranged internally to the upper strip (6).
    [8]
    8. - The container for storing a liquid of claim 6, comprising a triangular fold (13 ') opposite the pouring portion (2) formed solely by aseptic multilayer (18) and inserted inside the cardboard multilayer (17 ).
    [9]
    9. - The container for storing a liquid of claim 8, further comprising a corner plate (24) of multilayer cardboard (17) externally attached to a corner of the container where the triangle (13 ') has been introduced, providing rigidity.
    [10]
    10. - The container for storing a liquid of claim 1, wherein the upper portion (1) comprises a pyramidal portion (15).
    [11]
    11. - The container for storing a liquid of claim 1, comprising an oval portion (19) of plastic hermetically sealed to the upper strip (6).
    [12]
    12. - The container for storing a liquid of claim 1, wherein the joining zone (U) comprises an adhesive means (20) which in turn comprises polyethylene.
    [13]
    13. - Method of joining between the multilayers (17,18) of the container of claim 1, which makes use of at least:
    - a template (17 ') made of multilayer cardboard (17) comprising a hole at the location of the ventilation hole (9),
    - an aseptic multilayer insole,
    and that includes, at least, the stages:
    A. - apply an adhesive element (20) to the cardboard multilayer (17) and / or to the aseptic multilayer (18) in at least the minimum joining area (U) between multilayers (17,18),
    B. - Join the aseptic multilayer (18) and the cardboard multilayer (17) using the adhesive element (20).
    [14]
    14. The method of use of claim 13, wherein the adhesive element (20) is hot melt polyethylene and is applied by means of an engraving roll (21) comprising an embossed relief with the inter-multilayer bonding surface ( 17.18).
    [15]
    15. The method of use of claim 13, which further comprises selective heating in the area of minimal bond between multilayers (17,18) prior to stage B.
    [16]
    16. The method of use of claim 13, wherein step B is performed by means of at least one roll (26) etched by ultrasound.
    类似技术:
    公开号 | 公开日 | 专利标题
    BR112017002115B1|2022-01-04|PACKAGING FOR A GROUP OF CIGARETTES
    JP3396226B2|2003-04-14|Mouth stopper and irregular-shaped container using this
    ES2512690T3|2014-10-24|Packaging
    US20190106239A1|2019-04-11|Package Sleeve, Package and Method for Manufacturing a Package
    CN102666284B|2015-06-17|Packaging container manufacturing method, spout stopper, and packaging container
    KR20010032121A|2001-04-16|Easy tearing bags and packaging material
    JP2005059958A|2005-03-10|Liquid pouring nozzle, packaging bag using it and method for using packaging bag
    BRPI0408985B1|2018-01-30|FLEXIBLE CONTAINER FOR CONTAINING A LIQUID
    BR112012032653B1|2019-12-10|container having an inner bag
    CA2603917A1|2006-10-26|Packing bag with outer packing
    US20160325533A1|2016-11-10|Package material blank and method of forming the same
    WO2014006981A1|2014-01-09|Packaging bag, package utilizing same, and manufacturing method for packaging bag
    RO116473B1|2001-02-28|Flexible container
    FI74926C|1988-04-11|Opening device for packaging.
    ES2817299B2|2021-10-20|PACKAGING FOR LIQUIDS AND METHOD OF JOINT BETWEEN MULTILAYERS OF SUCH PACKAGE
    JP2012081983A|2012-04-26|Packaging bag, method for manufacturing the same, and method for filling and packaging material to be packaged to the packaging bag
    ES2333263T3|2010-02-18|PACKAGE FORMED FROM A BAND OF FLEXIBLE MATERIAL OF WELDABLE PLASTIC.
    JP2018531848A|2018-11-01|Bag-type packaging and related methods for adapting such packaging
    EP1707496B1|2008-10-08|Package formed from at least one flexible film
    ES2265360T3|2007-02-16|A METHOD OF PRODUCING A PACKING CONTAINER PROVIDED WITH AN OPENING PROVISION.
    ES2354759T3|2011-03-17|PACKAGING BAG MADE OF MOVIE MATERIAL, ESPECIALLY FOR A PULVERULENT LOADING PRODUCT THAT DISPOSES POWDER.
    AU2002349045B2|2008-01-31|Reclosable pouring element
    EP0334839A4|1990-02-22|Self-sealable liquid dispensing container.
    ES2234904T3|2005-07-01|CONTAINER WITH FLEXIBLE CLOSURE.
    WO2004024590A1|2004-03-25|Bag for storing and dispensing granular, powdery or liquid products and production method thereof
    同族专利:
    公开号 | 公开日
    WO2021064264A1|2021-04-08|
    ES2817299B2|2021-10-20|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB957487A|1960-09-13|1964-05-06|Peter Skjode Knudsen|Improvements in or relating to metal cartons|
    US3266713A|1963-11-09|1966-08-16|Tepar Ag|Package with a breakable openingdefining marking|
    US3795359A|1971-11-19|1974-03-05|Tetra Pak Int|Parallellepipedic package|
    US4915236A|1987-07-23|1990-04-10|Pkl Verpackungssysteme Gmbh|Cardboard and plastic composite parallelopipedal container for liquid|
    US5156295A|1991-01-28|1992-10-20|International Paper Company|Bag lined carton with pour spout|
    EP1059162A2|1999-06-07|2000-12-13|Tetra Laval Holdings & Finance SA|Packaging laminate having barrier properties, method of producing same and packaging containers prepared therewith|
    CH366792A|1956-10-17|1963-01-15|Mensing Hansjuergen|Packaging consisting of an outer box and a lining inserted in it|
    EP0792212B1|1994-11-14|2004-02-25|Graphic Packaging Corporation|Process and apparatus for forming carton blanks|
    US7803244B2|2006-08-31|2010-09-28|Kimberly-Clark Worldwide, Inc.|Nonwoven composite containing an apertured elastic film|
    法律状态:
    2021-04-06| BA2A| Patent application published|Ref document number: 2817299 Country of ref document: ES Kind code of ref document: A1 Effective date: 20210406 |
    2021-10-20| FG2A| Definitive protection|Ref document number: 2817299 Country of ref document: ES Kind code of ref document: B2 Effective date: 20211020 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201930853A|ES2817299B2|2019-10-02|2019-10-02|PACKAGING FOR LIQUIDS AND METHOD OF JOINT BETWEEN MULTILAYERS OF SUCH PACKAGE|ES201930853A| ES2817299B2|2019-10-02|2019-10-02|PACKAGING FOR LIQUIDS AND METHOD OF JOINT BETWEEN MULTILAYERS OF SUCH PACKAGE|
    PCT/ES2020/070539| WO2021064264A1|2019-10-02|2020-09-09|Container for liquids|
    [返回顶部]