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EP4385911B1 - Récipient d'emballage avec système de ventilation - Google Patents

Récipient d'emballage avec système de ventilation Download PDF

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Publication number
EP4385911B1
EP4385911B1 EP23159466.4A EP23159466A EP4385911B1 EP 4385911 B1 EP4385911 B1 EP 4385911B1 EP 23159466 A EP23159466 A EP 23159466A EP 4385911 B1 EP4385911 B1 EP 4385911B1
Authority
EP
European Patent Office
Prior art keywords
packaging
cup
packaging container
gas
channels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23159466.4A
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German (de)
English (en)
Other versions
EP4385911A1 (fr
EP4385911C0 (fr
Inventor
Meiert Johan Grootes Ziegler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panadoro Group AG
Original Assignee
Panadoro Group AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panadoro Group AG filed Critical Panadoro Group AG
Priority to EP23159466.4A priority Critical patent/EP4385911B1/fr
Publication of EP4385911A1 publication Critical patent/EP4385911A1/fr
Application granted granted Critical
Publication of EP4385911B1 publication Critical patent/EP4385911B1/fr
Publication of EP4385911C0 publication Critical patent/EP4385911C0/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1622—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2205/00—Venting means
    • B65D2205/02—Venting holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5002—Details of flexible tape or foil-like material
    • B65D2517/5013—Details of flexible tape or foil-like material the tape covering almost the whole of the container end panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5072—Details of hand grip, tear- or lift-tab
    • B65D2517/5083—Details of hand grip, tear- or lift-tab with means facilitating initial lifting of tape, e.g. lift or pull-tabs

Definitions

  • the invention relates to a packaging container with venting channels, in particular for gas-generating food products, and to a method for packaging products, in particular gas-generating food products, in these packaging containers. Furthermore, the invention relates to the use of these packaging containers.
  • Packaging containers with venting systems are well-known in the art. They are used for storing various products, such as fresh food.
  • the venting systems ensure pressure equalization within the container, allowing released gases to escape and preventing oxygen from entering.
  • the packaging containers can be vented using pressure relief valves, holes, or membranes, for example.
  • the EP 2 150 118 (GENERAL MILLS MARKETING, INC.) In this context, it describes food packaging for dough.
  • the gases produced by the dough are vented from the interior of the packaging container to the outside through holes, channels, valves, or osmotically permeable materials.
  • the venting means can be located on the side of the packaging cup or at the top of the packaging closure.
  • the KR 2003 0000745 A deals with a packaging container for fermenting food.
  • the gases produced by the food escape from the container through gas outlet channels in the form of grooves.
  • the channels are ring-shaped, with the innermost channel connected to the interior of the container via an inlet opening.
  • the outermost channel is in contact with the outside of the container via an outlet opening. Offset from the inlet and outlet openings are also connecting openings that connect the inner and outer gas outlet channels, so that the gas outlet channels are curved.
  • venting solutions of packaging containers have proven unsatisfactory. In the case of vents on the side, dirt particles or germs get into them, which are then transferred through contact with the cup, e.g., when consumers pick up the containers while shopping.
  • the contents of the packaging can easily reach the openings when tilted, either covering them or even blocking them.
  • the openings can also be closed if the packaging cup is stored correctly, for example, if fermentable contents such as dough ferment vigorously and expand in the container.
  • Venting solutions installed at the top of the packaging closure also prove to be inadequate.
  • Stacking such packaging containers on top of each other poses a high risk of contamination, as the packaging containers can carry dirt particles and/or germs on the bottom, which can then enter the interior of a container below through the vent opening.
  • stacking them on top of each other impedes the ventilation of lower-lying containers. This means that such containers should only be stored next to each other, which in turn requires more storage or retail space.
  • the object of the invention is therefore to provide a solution that at least reduces the disadvantages present in the prior art.
  • a channel is defined as a continuous, elongated recess in the form of a groove.
  • the channel is not closed, but rather has an open upper longitudinal side along its entire length, as long as the packaging closure is not applied or if the packaging closure has been removed.
  • the upper longitudinal side refers to the side of the channel facing away from the cup base.
  • a straight channel layout reduces the risk of dirt particles and/or germs accumulating within the channels, e.g., in corners and/or curves. This reduces the risk of contamination of the packaging contents.
  • the open long side of the channels is covered by the packaging closure when the packaging closure is attached.
  • the packaging closure seals the cup opening gas-tight upwards, i.e. in the direction opposite to the cup bottom. Inside the packaging cup When a packaging cup is sealed with a packaging closure, the resulting gas can only escape through the open front ends or the side openings of the channels.
  • the material connection can be glued, soldered, and/or welded.
  • the inlet openings of the channels are in a plane with the preferably vertical inner edge of the sealing rim.
  • the outlet openings of the channels are in a Level with the preferably vertical outer edge of the sealing rim.
  • Inlet openings refer to the open front ends of the channels in the interior of the packaging cup, while outlet openings refer to the open front ends of the channels in the exterior of the packaging container.
  • the sealing rim completely surrounds the cup opening and forms its boundary.
  • the inventive solution prevents the packaging contents from reaching the inner channel openings, i.e., the channel openings located inside the packaging container, when the packaging container is tilted. This prevents the inner channel openings from being covered or blocked by the packaging contents. This ensures continuous ventilation, even when the packaging container is moved or tilted, which often occurs during transport or by the buyer or consumer.
  • Continuous venting ensures hygienic storage of the packaging contents, especially food products. It also prevents the container from swelling and the packaging closure from warping. This allows for more space-efficient storage of the packaging containers, prevents the packaging closure from opening under excess pressure, and prevents consumers from being falsely misled into believing the packaging contents are inedible.
  • Packaging containers according to the invention are also inexpensive, quick and easy to manufacture, as they can be produced, for example, by injection molding. This solution eliminates the need for complicated manufacturing methods that require Ventilation systems such as valves and/or holes must be installed, for example drilled, in side walls and/or lids.
  • the channel(s) can be designed in such a way that, at least during the period in which a product in the container produces gases, a constant overpressure is maintained inside the packaging container and/or a clean room effect is achieved. Gases constantly flow from the interior of the packaging container through the channel(s) to the outside. This also helps prevent, for example, contaminants and/or germs from entering the interior of the packaging container from the outside against the gas flow.
  • the packaging container contains a gas-generating product, specifically a gas-generating food product.
  • a gas-generating product refers in particular to a product that releases a gas, specifically CO2 , under the product's usual storage conditions, e.g., at standard pressure (101,325 Pa) and/or a temperature of 1-30°C.
  • the packaging container contains a dough, in particular a pre-dough, sourdough, or mother dough, specifically a dough with yeast or lactic acid bacteria.
  • a dough in particular a pre-dough, sourdough, or mother dough, specifically a dough with yeast or lactic acid bacteria.
  • the packaging container it is also possible for the packaging container to contain other gas-generating food products, such as coffee, sauerkraut, kimchi, fresh ready meals, soy, fruit, vegetables, mushrooms, and/or bread.
  • gas-generating household products such as cleaning agents and/or air fresheners.
  • the solution according to the invention has proven particularly advantageous as a packaging container for food, and in particular for dough.
  • the packaging cup is made of a different material than the packaging closure.
  • closure material can be quickly and easily adapted to the properties, such as the gas production rate, of the product contained in the packaging container.
  • properties such as the gas production rate
  • the packaging closure can be quickly and easily adapted to reduce the gas generation rate.
  • packaging cup and the packaging closure are made of the same material.
  • the packaging closure consists of a lid and/or a sealing film.
  • Lids are understood to refer, in particular, to rigid packaging closures. Compared to lids, films are more flexible. A lid can deform or even break under a certain force, whereas films can bend under the same force and then automatically return to their original shape. Films are more elastic than lids. In certain designs, lids have a circumferential skirt for additional attachment to the packaging cup. Sealing films can be manufactured as composite films or consist of a single material. Other terms for sealing films in this context are sealing plates, plates, lid films, plate films, or films.
  • Lids offer the advantage that they can be manufactured using a deep-drawing process and/or feature skirts. Deep-drawn lids allow for more space-saving storage of packaging containers. Lids with skirts can also be used as additional shielding of the external channel openings or outlets from dirt particles and/or germs without impairing gas exchange.
  • the lid has an apron which projects beyond and/or shields the outlet opening(s) of the at least one channel, in particular all channels, in a direction from the cup opening to the cup bottom outside the cup jacket.
  • the skirt is spaced apart from the cup shell. This allows the gas-permeable connection between the interior of the packaging cup and the exterior to be maintained.
  • Sealing films require very little material to produce, making them resource-efficient. Furthermore, the sealing process takes only a few seconds, resulting in greater efficiency and time savings.
  • the packaging closure is additionally connected to the sealing edge in a form-fitting and/or force-fitting manner.
  • An additional force-fit connection can save material, such as adhesive, during the manufacturing process.
  • the packaging closure it is also conceivable for the packaging closure to be connected to the sealing edge with a form-fit connection.
  • the manufacturer has the flexibility to use the most suitable connection technology depending on the product.
  • the packaging closure in particular the lid and/or the sealing film, is resealable.
  • a packaging closure in particular a lid and/or a sealing film, is resealable if, after opening the packaging container, a material, force-fitting, and/or positive connection can be restored between it and the sealing edge without the use of aids such as adhesive and/or adhesive tape.
  • the material, force-fitting, and/or positive connection restored after opening may differ from the material, force-fitting, and/or positive connection existing before opening in that the restored connection is not necessarily gas-tight.
  • the resealable packaging allows the product to remain in the container after it has been opened. This saves the consumer the trouble of transferring the product to another container, saving time and resources.
  • the packaging closure in particular the lid and/or the sealing film, can be used once.
  • a packaging closure in particular a lid and/or a sealing film, is single-use if, after opening the packaging container, a material, force and/or form-fitting connection between it and the sealing edge can only be restored by using aids such as adhesive or adhesive tape.
  • the single use of the packaging closure ensures that consumers do not mistakenly interpret a previously opened packaging container as unopened. Otherwise, there is a risk that consumers will store or consume a lower-quality or even inedible product.
  • the packaging cup comprises or consists of plastic, in particular of one or more thermoplastics, specifically of polystyrene (PS), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), and/or polyvinyl chloride (PVC).
  • the packaging cup consists of at least 90 wt.%, specifically at least 95 wt.%, for example 100 wt.%, based on the total weight of the packaging cup, of one or more of the aforementioned plastics.
  • the packaging closure in particular the sealing film, comprises or consists of plastic, in particular of one or more thermoplastics, especially polystyrene (PS), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), and/or polyvinyl chloride (PVC).
  • the packaging closure consists of at least 90 wt.%, especially at least 95 wt.%, for example 100 wt.%, based on the total weight of the packaging closure, of one or more of the aforementioned plastics.
  • the packaging cup and/or the packaging closure could be made of other materials instead of plastics, or contain plastics in combination with other materials.
  • Paper and/or cardboard can be used, for example, for dry products. They offer a readily biodegradable and thus Ecological alternative to plastics.
  • Biodegradable materials such as corn starch, sugar cane, potatoes, cellulose and/or wood also serve as compostable alternatives for the packaging cup and/or the packaging closure.
  • Plastics made from biomass can also be stable, transparent and/or heat-resistant, which is why they can also be used as packaging material, particularly for food products.
  • Metal, such as aluminum and/or steel, can also be used as packaging cups and/or packaging closures.
  • Glass can be intended for packaging containers whose packaging cups and/or packaging closures must withstand higher pressure. Glass can also be used for the same reasons. In addition, glass offers the option of a transparent packaging cup and/or packaging closure. This way, the product is visible without having to open the packaging container and thus risking contamination.
  • Plastics are extremely well-suited as materials for packaging cups and/or packaging closures because they have a low density, good weather and chemical resistance, good heat insulation, water resistance, and are easy to clean. Furthermore, depending on the type of plastic, plastics can be rigid, flexible, or elastic. This offers a wide range of packaging material options, allowing different storage needs for various products to be met.
  • Thermoplastics are particularly suitable for the production of packaging cups and/or packaging closures because they are thermoformable and weldable. This has the advantage that the packaging cup can be sealed gas-tight, for example, with a film. Furthermore, thermoplastics can be manufactured cost-effectively using injection molding. Due to their thermal properties, they are also ideal for use in 3D printing.
  • Polystyrene (PS) is lightweight, dimensionally stable, transparent, and has a relatively high gas and water vapor permeability, making it particularly suitable for food packaging.
  • PE polyethylene
  • PE polypropylene
  • PP polypropylene
  • PP is very stable, has low water vapor permeability, is highly resistant to grease, and is heat-resistant, making it an ideal material for packaging cups and/or packaging closures that are exposed to a heat source, e.g., in a microwave. This is particularly advantageous for food packaging.
  • Polyethylene terephthalate is resistant to oils, fats, and alcohols. It has very low permeability to flavors, odors, and gases, thus providing optimal protection for food in particular from external influences.
  • Polyvinyl chloride (PVC) is also resistant to oils and alcohols, which is why it is also well-suited for use in the food sector.
  • plastic types can also be combined with each other to adapt the material properties of the packaging cup and/or closure to the specific product.
  • the packaging cup has, from the cup base towards the cup opening, at least in sections, in particular in the region of the cup jacket, a cylindrical, truncated pyramid-shaped, cuboid-shaped or, preferably, a truncated cone-shaped cavity.
  • the packaging cup has, from the cup base towards the cup opening, at least in sections, in particular in the region of the cup jacket, a cylindrical, truncated pyramid-shaped, cuboid-shaped or, preferably, a truncated cone-shaped outer shape.
  • the cavity of the packaging cup has the same shape as the outer shape of the packaging cup.
  • the packaging closure in particular the lid and/or the sealing film, has an opening tab.
  • the opening tab allows the consumer to open the packaging container more easily and quickly. Furthermore, the tab guide reduces the risk of damage to the lid and/or the sealing film due to uncontrolled tearing. Alternatively or in addition to an opening tab, a predetermined tear point can also be provided, which can be marked on the lid and/or the sealing film.
  • the ratio between the maximum width and the maximum height of a channel is between 1:3 and 2.5:3, in particular between 1.5:3 and 2.25:3, most preferably 2:3.
  • the maximum width of a channel is defined as the distance at the widest point of the channel's cross-sectional area.
  • the maximum height of a channel is defined as the distance at the highest point of the channel's cross-sectional area.
  • this ratio leads to optimal gas venting, so that the packaging container does not swell and the product remains preserved.
  • the gases produced inside the packaging escape from the headspace to the outside at such a rate that an overpressure is maintained in the packaging container for as long as possible. This ensures the longest possible shelf life of the product.
  • no dirt particles and/or germs enter the interior of the packaging container or accumulate in the anal ducts, as the escaping gas flow is fast enough to prevent the penetration of dirt particles and/or germs.
  • this ratio of the channel width to the channel height ensures that the channel is deep enough so that the channels do not become blocked by the packaging closure when closed, i.e. after sealing with the packaging closure.
  • the ratio can also be 1.5:3, since the positive effects have also been shown under this ratio.
  • the packaging container has a volume between 5 cm 3 - 1000 cm 3 , in particular between 70 cm 3 - 700 cm 3 and/or a total channel cross-sectional area of 7 ⁇ 10 -5 cm 2 - 3 ⁇ 10 -2 cm 2 , in particular of 1 ⁇ 10 -3 cm 2 - 2 ⁇ 10 -2 cm 2 .
  • the packaging container has a volume between 150 cm 3 - 400 cm 3 , in particular between 200 cm 3 - 320 cm 3 , in particular 203 cm 3 or 315 cm 3 , and/or a total channel cross-sectional area of 2 ⁇ 10 -3 cm 2 - 1 ⁇ 10 -2 cm 2 , in particular 3 ⁇ 10 -3 cm 2 - 8 ⁇ 10 -3 cm 2 , in particular 3.1 ⁇ 10 -3 cm 2 , 4.8 ⁇ 10 -3 cm 2 or 7.5 ⁇ 10 -3 cm 2 .
  • the total channel cross-sectional area is the sum of the cross-sectional areas of all channels present on the packaging container.
  • the ratio between the volume of the packaging container and the total cross-sectional area of the channels is between 2.5 ⁇ 10 4 cm - 8.5 ⁇ 10 4 cm, in particular between 3 ⁇ 10 4 cm - 8 ⁇ 10 4 cm, in particular between 3.5 ⁇ 10 4 cm - 7.5 ⁇ 10 4 cm, especially special between 4 ⁇ 10 4 cm - 7 ⁇ 10 4 cm, even more special at 4.2 ⁇ 10 4 cm or 6.6 ⁇ 10 4 cm.
  • the ratio of the value of the volume of the packaging container, expressed in cm 3 , to the value of the total channel cross-sectional area, expressed in cm 2 is between 2.5 ⁇ 10 4 - 8.5 ⁇ 10 4 , in particular between 3 ⁇ 10 4 - 8 ⁇ 10 4 , in particular between 3.5 ⁇ 10 4 - 7.5 ⁇ 10 4 , even more specifically between 4 ⁇ 10 4 - 7 ⁇ 10 4 , even more specifically at 4.2 ⁇ 10 4 or 6.6 ⁇ 10 4 .
  • the volume of the packaging container is ideally suited for storing gas-generating food products, especially dough, due to its consumer-friendly size.
  • the volume and total channel cross-sectional area are coordinated to ensure optimal gas venting, preventing the packaging container from swelling while still preserving the product.
  • the cross-sectional area of a channel remains constant along its entire length.
  • the cross-sectional area it is also possible for the cross-sectional area to vary along the length of the channel.
  • the ratio of the maximum width to the length of a channel is between 1:5 and 1:25, in particular between 1:7 and 1:22. In a particularly preferred embodiment, the ratio is, for example, 1:22, 1:11, or 1:7. In the case of a plurality of channels, these can also have different ratios from one another.
  • the length of a channel is the distance between the two end channel openings.
  • the sealing edge has at least 2, in particular 2 - 50, especially 2 - 25, most preferably 8, channels.
  • This ratio has been shown to result in optimal gas venting, preventing the packaging container from swelling and yet preserving the product for a longer period of time.
  • the number of channels also has the effect of controlling excess pressure in the packaging cup.
  • the channels are preferably evenly distributed across the entire seal edge. If the outer channel openings are accidentally covered, e.g., if an object is placed next to the packaging container and directly in front of the outer channel openings, gas can still escape through the other channels.
  • an overpressure is maintained in the packaging container for at least 30-65 days, especially for at least 35-60 days, preferably for at least 40-55 days, particularly preferably for at least 45-50 days, from the time the packaging container is closed. This can be achieved as described below.
  • Overpressure has the effect of constantly venting the gas generated inside the packaging to the outside due to pressure equalization. Similar to a clean room, which is usually maintained at overpressure to prevent the inflow of contaminated air, the overpressure inside the packaging container also prevents the inflow of contaminated outside air and the penetration of dirt particles and/or germs. This increases the shelf life of the product, especially food products.
  • the ratio between the maximum width and the maximum height of a channel, the ratio between the maximum width and the length of a channel, and/or the number of channels also have the effect of allowing the overpressure in the packaging container to be controlled.
  • the number, dimensions, and/or cross-sectional areas of the channels are adapted to the amount of gas generated by the product in the packaging container, in particular a food product, so that an overpressure is maintained in the packaging container. This is particularly true as long as the product in the packaging container produces gas.
  • the manufacturer can quickly respond to changes in the product line and adapt the manufacturing process. This saves time and increases efficiency.
  • Swollen packaging generally signals to consumers that the products it contains are no longer edible or should no longer be used. This is particularly problematic for yeast-based products, which generate gases due to fermentation processes, as swollen packaging would suggest to consumers that the product is inedible.
  • the inventive dimensioning of the channels ensures that, due to the prevailing overpressure inside the packaging container and the natural pressure equalization, sufficient gas is vented from the interior of the packaging container to the outside, preventing the packaging container from swelling. This counteracts potential assumptions by buyers or consumers that the product is inedible.
  • sufficient gas remains in the packaging container to ensure a sustained overpressure and thus ventilation for a period of at least 30 - 65 days, in particular for at least 35 - 60 days, preferably for at least 40 - 55 days, particularly preferably for at least 45 - 50 days, thus ensuring preservation
  • the product's hygienic preservation is ensured, as no contaminated outside air can penetrate the packaging container.
  • the venting also prevents the product, especially a dough product, from drying out on the surface and forming an unsightly skin, which could deter buyers from making a purchase.
  • the inner diameter of the sealing rim is larger than the outer diameter of the cup base.
  • the surface of the sealing edge is smooth and/or flat.
  • a smooth sealing edge minimizes the risk of air entrapment during the bonding process by keeping the surface roughness as low as possible. This improves the adhesive strength between the sealing edge and the packaging closure.
  • a flat sealing edge also facilitates easier production. Furthermore, less material is required than with uneven sealing edges.
  • the packaging cup is produced in process step 1) by injection molding.
  • Injection molding offers the advantage that any shape and wall thickness can be produced, allowing the packaging cup to be adapted to the product. This is particularly advantageous with regard to food packaging, as the requirements for the packaging can vary with regard to various product parameters such as shelf life, fermentation processes, and/or flavorings.
  • the invention relates to the use of a packaging container according to the invention for packaging a gas-generating product, preferably a gas-generating food product, in particular a dough.
  • the number of channels 6 can vary and there can be fewer or more channels 6 than in Fig. 1 and Fig. 4 shown.
  • the packaging closure 8 shown can also be a lid, e.g., a deep-drawn lid. Furthermore, it is possible for the packaging closure to have an opening means other than an opening tab 10. Alternatively, a predetermined tear point can be provided, for example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)

Claims (13)

  1. Récipient d'emballage (9), en particulier pour un produit alimentaire dégageant du gaz, dans lequel le récipient d'emballage (9) comprend un gobelet d'emballage (1) et une fermeture d'emballage (8) et dans lequel le gobelet d'emballage (1) comprend
    a) un fond de gobelet (2),
    b) une paroi de gobelet (3) formée sur le fond de gobelet (2),
    c) une ouverture de gobelet (4) opposée au fond de gobelet (2) et
    d) un rebord operculable (5) du côté de l'ouverture,
    dans lequel au moins un canal (6), en particulier plusieurs canaux (6), sont aménagés dans la face supérieure du rebord operculable (5) s'éloignant du fond de gobelet (2), lesquels sont ouverts sur leur côté longitudinal opposé au fond de gobelet (2) et dans lequel la fermeture d'emballage (8) est reliée par liaison de matière à la face supérieure du rebord operculable (5) opposée au fond de gobelet (2), de sorte que l'ouverture de gobelet (4) et les côtés longitudinaux ouverts des canaux (6) sont recouverts et fermés par la fermeture d'emballage (8), dans lequel les canaux (6) sont ouverts à leurs extrémités frontales (7, 11), de sorte que la zone intérieure du gobelet d'emballage (1) est reliée à sa zone extérieure de manière perméable au gaz, caractérisé en ce que les canaux (6) s'étendent sur le rebord operculable (5) le long d'une ligne droite.
  2. Récipient d'emballage (9) selon la revendication 1, dans lequel le récipient d'emballage (9) contient un produit dégageant du gaz, en particulier un produit alimentaire dégageant du gaz.
  3. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel le récipient d'emballage (9) contient une pâte, en particulier une pâte à lever, un levain ou un levain-chef, en particulier une pâte avec de la levure ou des bactéries lactiques.
  4. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel la fermeture d'emballage (8) est constituée d'un couvercle et/ou d'un opercule.
  5. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel le rapport entre la largeur maximale et la hauteur maximale d'un canal (6) est compris entre 1:3 et 2,5:3, en particulier entre 1,5:3 et 2,25:3, de manière particulièrement préférée de 2:3.
  6. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel le rapport entre le volume du récipient d'emballage et la surface totale de section transversale de canal des canaux (6) est compris entre 2,5 x 104 cm - 8,5 x 104 cm, en particulier entre 3 x 104 cm - 8 x 104 cm, plus particulièrement entre 3,5 x 104 cm - 7,5 x 104 cm, de manière particulièrement préférée entre 4 x 104 cm - 7 x 104 cm, de manière encore plus particulièrement préférée de 4,2 x 104 cm ou de 6,6 x 104 cm.
  7. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel le rapport entre la largeur maximale et la longueur d'un canal (6) est compris entre 1:5 et 1:25, en particulier entre 1:7 et 1:22.
  8. Récipient d'emballage (9) selon l'une des revendications précédentes, dans lequel le rebord operculable (5) comprend au moins 2, en particulier 2 - 50, plus particulièrement 2 - 25, de manière particulièrement préférée 8 canaux (6).
  9. Récipient d'emballage (9) selon la revendication 2, dans lequel une surpression est présente dans le récipient d'emballage (9).
  10. Récipient d'emballage (9) selon la revendication 2, dans lequel le nombre, les dimensions et/ou les surfaces de section transversale des canaux (6) sont adaptés à la quantité de gaz produite par le produit présent dans le gobelet d'emballage (1), en particulier par un produit alimentaire, de sorte qu'une surpression est présente dans le gobelet d'emballage (1).
  11. Récipient d'emballage (9) selon la revendication 2, dans lequel les canaux (6) sont dimensionnés de telle sorte que
    a) suffisamment de gaz, en particulier du CO2 , peut s'échapper, de sorte que le récipient d'emballage (9) ne gonfle pas et
    b) suffisamment de gaz, en particulier du CO2 , reste dans le récipient d'emballage (9), de sorte que la pression à l'intérieur du récipient d'emballage (9) est supérieure à la pression ambiante entourant le gobelet d'emballage (1) et/ou une conservation naturelle est garantie.
  12. Procédé d'emballage d'un produit dégageant du gaz, en particulier d'un produit alimentaire dégageant du gaz, selon l'une des revendications précédentes, comprenant les étapes de
    a) fabrication ou mise à disposition d'un gobelet d'emballage (1) tel que défini dans l'une des revendications précédentes.
    b) remplissage du gobelet d'emballage (1) avec un produit dégageant du gaz, en particulier un produit alimentaire dégageant du gaz.
    c) fermeture du gobelet d'emballage (1) par liaison de matière du gobelet d'emballage (1) avec une fermeture d'emballage (8) telle que définie dans l'une des revendications précédentes.
  13. Utilisation d'un récipient d'emballage (9) tel que défini dans l'une des revendications précédentes pour emballer un produit dégageant du gaz, en particulier un produit alimentaire, de manière particulièrement préférée une pâte.
EP23159466.4A 2023-03-01 2023-03-01 Récipient d'emballage avec système de ventilation Active EP4385911B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23159466.4A EP4385911B1 (fr) 2023-03-01 2023-03-01 Récipient d'emballage avec système de ventilation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23159466.4A EP4385911B1 (fr) 2023-03-01 2023-03-01 Récipient d'emballage avec système de ventilation

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EP4385911A1 EP4385911A1 (fr) 2024-06-19
EP4385911B1 true EP4385911B1 (fr) 2025-05-07
EP4385911C0 EP4385911C0 (fr) 2025-05-07

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11152166A (ja) * 1997-11-19 1999-06-08 Dainippon Printing Co Ltd 包装用容器
KR100465419B1 (ko) * 2001-06-27 2005-01-13 주식회사 두산 식품 포장 용기
EP2038188A4 (fr) * 2006-07-11 2010-06-09 Gen Mills Marketing Inc Produit à base de pâte et emballage aéré
WO2008141267A1 (fr) 2007-05-11 2008-11-20 General Mills Marketing, Inc. Emballage de pâte à basse pression
US20090181135A1 (en) * 2008-01-11 2009-07-16 Domingues David J Dough and dough product packaging configurations

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EP4385911A1 (fr) 2024-06-19
EP4385911C0 (fr) 2025-05-07

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