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EP4093685B1 - Lebensmittelverpackung, die aus einer auf sich selbst gesiegelten folie besteht, verfahren zum herstellen und befüllen einer solchen verpackung und zuschnitt - Google Patents

Lebensmittelverpackung, die aus einer auf sich selbst gesiegelten folie besteht, verfahren zum herstellen und befüllen einer solchen verpackung und zuschnitt

Info

Publication number
EP4093685B1
EP4093685B1 EP21700957.0A EP21700957A EP4093685B1 EP 4093685 B1 EP4093685 B1 EP 4093685B1 EP 21700957 A EP21700957 A EP 21700957A EP 4093685 B1 EP4093685 B1 EP 4093685B1
Authority
EP
European Patent Office
Prior art keywords
sheet
longitudinal
transverse
package
weakenings
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
EP21700957.0A
Other languages
English (en)
French (fr)
Other versions
EP4093685A1 (de
Inventor
Alexandre VERNIER
Gilles Coupard
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.)
Individual
Original Assignee
Individual
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
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Application filed by Individual filed Critical Individual
Publication of EP4093685A1 publication Critical patent/EP4093685A1/de
Application granted granted Critical
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Links

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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/48—Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/068—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of cheese
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/42—Chains of interconnected packages
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/76—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for cheese

Definitions

  • the present invention relates to packaging for a food product.
  • Portion packages are traditionally made from thin aluminum foil, folded to form an open container into which the hot cheese is portioned. An aluminum foil seal is then placed over the cheese, and the entire package is sealed. These portions have an easy-open system made using a plastic tear guide strip glued to the package before it is shaped.
  • Such portion packs are economical to produce and provide relative airtightness, allowing the products mentioned to be preserved satisfactorily in difficult logistical conditions.
  • it is possible to offer processed cheeses with shelf lives that can exceed 6 months and up to 1 year when transported and stored at room temperature, even in hot countries.
  • the method of sealing the lid on the cheese and the prior folding create chimneys into which the cheese can enter, water can evaporate and sometimes serum released by the cheese can flow out.
  • leaks have a negative impact on the product's preservation. Indeed, the loss of water during preservation alters the product's texture and requires overdosing during packaging. Leaks also allow oxygen to enter the packaging and limit the shelf life by causing the product to go rancid. The leakage of whey and the proximity of the cheese to the outside environment can cause mold to appear on the outside of the packaging, which presents an unpleasant appearance to the consumer even if the product is not altered in the packaging.
  • JP H07-101463 describes a package consisting of a self-sealed sheet containing, for example, sliced cheese.
  • the package containing the cheese must be shaped by passing it between two rollers and cooled to form slices, which has the effect of slowing down the production rate.
  • WO 2011/058237 describes a foldable packaging for a portionable food product, comprising a side strip having two longitudinal edges connected by two end edges, and having at least one curve and/or fold to provide a storage space for the food product, and a lid attached in a peelable manner to the end edges.
  • a side strip having two longitudinal edges connected by two end edges, and having at least one curve and/or fold to provide a storage space for the food product
  • a lid attached in a peelable manner to the end edges requires the side strip and the lid to be produced separately, and to be assembled in a peelable manner by at least three successive seals, which prove complex to implement.
  • the packaging thus formed has a large sealing surface, increasing the risks of leakage.
  • FR 2957062 describes a packaging of the aforementioned type, in particular for a portion of cheese, the packaging comprising a base and side walls folded perpendicular to the base and forming with the base a hermetic cavity, the packaging further comprising a lid secured to a side wall folded down and sealed on flat areas for fixing the other side walls.
  • the blank required to produce this packaging produced unit by unit has numerous cuts which cause significant losses of material, and mechanical complexity in forming the packaging.
  • the packaging thus formed has a large sealing surface increasing the risk of leakage.
  • FR2880869 A1 discloses a packaging sheet and a package with tear guide strips.
  • US5582342 discloses a package according to the preamble of claim 1.
  • An objective of the invention is to provide packaging for a food product which overcomes the aforementioned drawbacks and has good sealing quality, is simple to produce while maintaining high production rates.
  • the invention relates to a packaging for a food product according to claim 1.
  • the packaging can be formed into volume, even when empty, from a single sheet. It is thus possible to use the packaging directly as a mold for a food product that would be deposited in liquid form in the packaging before its closure, which allows production savings by avoiding a step of shaping the food product before the packaging step and thus maintaining high production rates.
  • Another advantage of the invention concerns hygiene and preservation. By pouring the product directly into the packaging, it is only minimally exposed to the limiting ambient air the risks of contamination. If, in addition, the product is poured at a temperature higher than the pasteurization temperature, between 60°C and 90°C at atmospheric pressure, preservation is further improved.
  • the packaging also has one or more of the characteristics of dependent claims 2 to 6.
  • the invention also relates to a method for manufacturing and filling at least one packaging for a food product according to claim 7.
  • the method of manufacturing and filling the packaging also has one or more of the characteristics of claims 8 to 11.
  • the invention also relates to a blank of a plurality of sheets according to claim 12, for forming at least one package as described above, each sheet having weakenings comprising transverse weakenings, and a tab secured to a transverse edge of the sheet.
  • Sheet 10 of the figure 1 is intended for the constitution of packaging 12 of the figures 5 to 9 .
  • Sheet 10 of the figure 10 is intended for the constitution of the 12' packaging of figures 11 And 12 .
  • the sheet 10 is elongated in a longitudinal direction L.
  • Sheet 10 is made of a material having a contrast in stiffness between the weakenings and the material outside the weakenings, which is stiffer than the weakenings.
  • the material is of sufficient rigidity to form flat surfaces, and whose rigidity can be locally reduced by weakenings.
  • the sheet 10 is made mainly of paper or cardboard.
  • the paper or cardboard has a weight between 30g/ m2 and 200g/ m2 .
  • the paper or cardboard has a weight between 40 g/m 2 and 150 g/m 2
  • the paper or cardboard has a weight between 40g/m 2 and 80g/m 2 .
  • the sheet 10 is made of a plastic material created by the assembly of different materials, forming a plastic complex.
  • the materials eligible to participate in this complex include polyethylene terephthalate (PET) films, polyethylene (PE) films, polypropylene (PP) films, polyamide (PA) films, polylactic acid (PLA) films or any other plastic film commonly used for food product packaging.
  • PET or PP are preferred to fulfill a structural role of the material when it includes other layers such as lacquers, PE film, PP film, sealing polymer having a sealing aid function.
  • the sheet 10 may also comprise layers of aluminum and/or paper. These materials have the advantage of having sufficient rigidity to form flat surfaces, and of possessing folding properties that are advantageous for the application, in particular the ability to maintain a fold, and to form preferential weakenings after crushing the material.
  • the sealing layer and possibly water and gas barrier comprises, for example, at least one sealing lacquer, which can be supplemented or replaced by a polyolefin-based plastic coating or lamination.
  • Sealing lacquers are, for example, acrylic lacquers (methacrylate, acrylate, copolymer of these polymers with ethylene), nitrocellulose, vinyl (polyvinyl chloride (PVC), polyvinyl acetate (PVacetate), polyvinyl laurate (PVLaurate), polyvinylidene chloride (PVDC), polyester-based lacquers, polyolefin-based lacquers.
  • acrylic lacquers methacrylate, acrylate, copolymer of these polymers with ethylene
  • nitrocellulose vinyl (polyvinyl chloride (PVC), polyvinyl acetate (PVacetate), polyvinyl laurate (PVLaurate), polyvinylidene chloride (PVDC), polyester-based lacquers, polyolefin-based lacquers.
  • PVC polyvinyl chloride
  • PVacetate polyvinyl acetate
  • PVLaurate polyvinyl laurate
  • PVDC polyvin
  • the sealing and/or protective layer comprises, for example, at least one sealing lacquer from the examples listed above, also fulfilling the protective function, or at least one sealing lacquer from the examples listed above and at least one protective lacquer different from the sealing lacquer, for example a polyvinyl alcohol (PVOH) lacquer.
  • PVOH polyvinyl alcohol
  • the sheet 10 advantageously has a total thickness of between 50 ⁇ m and 250 ⁇ m, preferably between 50 ⁇ m and 120 ⁇ m.
  • the sheet 10 comprises a main region 20 and an end region 22 disposed at a longitudinal end 23 of the main region 20.
  • the main region 20 typically has a generally rectangular shape.
  • the main region 20 comprises five transverse panels 24, 25, 26, 27, 28, a central panel 24 and four side panels 25, 26, 27, 28 arranged two by two on either side of the central panel 24 in a transverse direction T substantially perpendicular to the longitudinal direction L.
  • the five transverse panels 24, 25, 26, 27, 28 are connected to each other by longitudinal weakenings 30, 31, 32, 33 extending substantially parallel to the longitudinal direction L.
  • proximal side panels 26, 27 are called proximal side panels 26, 27, the other two side panels 25, 28 are called distal side panels 25, 28.
  • the two proximal side panels 26, 27 are of substantially identical shape and size.
  • the two distal side panels 25, 28 are of substantially identical shape and size.
  • the sheet 10 is advantageously symmetrical with respect to a median longitudinal plane (not shown).
  • the main region 20 further comprises, within the transverse panels 24, 25, 26, 27, 28, four longitudinal panels 34, 35, 36, 37 extending substantially parallel to the transverse direction T.
  • the sheet 10 comprises two longitudinal edges 38, 39 and two transverse edges 40, 41.
  • the four longitudinal panels 34, 35, 36, 37 each extend from one longitudinal edge 38 of the sheet 10 to the other longitudinal edge 39.
  • the four longitudinal panels 34, 35, 36, 37 are connected to each other by transverse weakenings 42, 43, 44 extending substantially parallel to the transverse direction T.
  • the four longitudinal panels 34, 35, 36, 37 each comprise a central portion 34A, 35A, 36A, 37A, two proximal lateral portions 34B, 35B, 36B, 37B and two distal lateral portions 34C, 35C, 36C, 37C arranged two by two on either side of the central portion 34A, 35A, 36A, 37A in the transverse direction T and connected by the longitudinal weakenings 30, 31, 32, 33.
  • the transverse weakenings 42, 43, 44 open into the two longitudinal edges 38, 39 of the sheet 10.
  • the two longitudinal panels 34, 35 closest to the end region 22 are of substantially identical shape and size to the two longitudinal panels 36, 37 furthest from the end region 22.
  • the longitudinal panel 34 closest to the end region 22 further comprises two additional weakenings 45, 46; 47, 48, arranged in each proximal lateral portion 34B of this longitudinal panel 34.
  • the two additional weakenings 45, 46; 47, 48 of a proximal lateral part 34B of this longitudinal panel 34 form with the longitudinal weakening 31; 32 separating the proximal lateral part 34B from the central part 34A a substantially isosceles triangle whose apex is tangent to the longitudinal weakening 30; 33 separating the proximal lateral part 34B from the distal lateral part 34C.
  • substantially isosceles it is understood that the angles formed between the base of the triangle and the vertex are substantially equal, to within 5%.
  • the longitudinal panel 36 identical to the longitudinal panel 34 closest to the end region 22 further comprises two additional weakenings 49, 50; 51, 52, arranged in each proximal lateral portion 36B of this longitudinal panel 36.
  • the two additional weakenings 49, 50; 51, 52 of a proximal lateral part 36B of this longitudinal panel 36 form with the longitudinal weakening 31; 32 separating the proximal lateral part 36B from the central part 36A a substantially isosceles triangle whose apex is tangent to the longitudinal weakening 30; 33 separating the proximal lateral part 36B from the distal lateral part 36C.
  • the other longitudinal panels 35 and 37 are free of additional weakening.
  • the longitudinal panel 35 adjacent to the panel 34 closest to the end region 22 further comprises two additional weakenings 45, 46; 47, 48, arranged in each proximal lateral portion 35B of this longitudinal panel 35.
  • the panel 34 closest to the end region 22 is devoid of additional attenuations.
  • the longitudinal panel 37 identical to the longitudinal panel 35 adjacent to the panel 34 closest to the end region 22 further comprises two additional weakenings 49, 50; 51, 52, arranged in each proximal lateral portion 37B of this longitudinal panel 37.
  • the two additional weakenings 49, 50; 51, 52, of a proximal lateral part 37B of this longitudinal panel 37 form with the longitudinal weakening 31; 32 separating the proximal lateral part 37B from the central part 37A a substantially isosceles triangle whose apex is oriented towards the nearest longitudinal edge 38; 39, and is distant from the longitudinal weakening 30; 33 separating the proximal lateral part 37B from the distal lateral part 37C.
  • the longitudinal panel 36 identical to the longitudinal panel 34 closest to the end region 22 is devoid of additional weakenings.
  • the end region 22 is connected to the main region 20 by a transverse weakening 53 extending in the transverse direction T.
  • the transverse weakening 53 opens into the two longitudinal edges 38, 39 of the sheet 10.
  • the end region 22 comprises a strip 54 extending in the extension of the main region 20.
  • the longitudinal weakenings 30, 31, 32, 33 open into the two transverse edges 40, 41 of the sheet 10.
  • the longitudinal weakenings 30, 31, 32, 33 open on the one hand into the transverse edge 41 of the sheet 10 opposite the end region 22 and on the other hand into the strip 54 of the end region 22.
  • the tab 56 is secured to the transverse edge 40 of the sheet 10 located on the side of the end region 22.
  • the tab 56 comprises an end 57 connected to the strip 54 of the end region 22 and a free end 58.
  • the free end 58 allows the tab 56 to be gripped to facilitate the opening of the package 12 once the package 12 has been formed.
  • the tab 56 extends for example from an extension of the longitudinal weakenings 31, 32 connecting the proximal side panels 26, 27 to the central panel 24.
  • the sheet 10 has longitudinal tear guide strips 60, 61 following the longitudinal weakenings 31, 32 connecting the proximal side panels 26, 27 to the central panel 24.
  • the tear guide strips 60, 61 extend beyond the longitudinal weakenings 31, 32 into the strip 54 of the end region 22 and at least partially following the contours of the tab 56.
  • Each tear guide strip 60, 61 opens at one end into a transverse edge 41 of the sheet 10 opposite the tab 56 and at another end into the free end 58 of the tab 56.
  • the tear guide strips 60, 61 are for example in the form of a weakening of the sheet 10 in its thickness, in particular by means of a half-meat pre-cut using blades or laser treatment.
  • the tear guide strips 60, 61 are in the form of strips laminated to the sheet 10.
  • the tear guide strips 60, 61 have both a guiding role to prevent the tear from spreading over the area where the tear guide strips 60, 61 are placed, and a mechanical reinforcement of the sheet to enable it to withstand the traction of the opening.
  • the tear guide strips 60, 61 are preferably along the longitudinal weakenings 31, 32 connecting the proximal side panels 26, 27 to the central panel 24, these longitudinal weakenings 31, 32 being intended to form edges of the packaging 12, 12', which allows a complete opening making at least three faces of the food product P and up to five faces of the food product P accessible, and therefore allowing easier access to the food product P by the consumer.
  • the sheet 10 further comprises four transverse weakenings 62, 63, 64, 65 each opening at one end into the nearest longitudinal edge 38, 39, and at another end into the vertex of one of the four substantially isosceles triangles formed by the additional weakenings 45, 46; 47, 48; 49, 50; 51, 52.
  • transverse weakenings 62, 63, 64, 65 are formed during the folding of the sheet 10. The sheet 10 before folding is then devoid of these transverse weakenings 62, 63, 64, 65.
  • the sheet 10 has a transverse weakening 66 connecting the longitudinal panel 37 furthest from the end region 22 to a sealing hem 67.
  • the transverse weakening 66 opens into the two longitudinal edges 38, 39 of the sheet 10.
  • the sealing hem 67 makes it possible to split the sheet in the sealing area in order to reinforce it.
  • the sealing hem 67 prevents the transverse edge 41 of the sheet 10 opposite the end region 22 from being in direct contact with the food product P once the sheet 10 is folded, and thus avoids a risk of diffusion of water or fat by capillarity in the sheet if the latter is not treated in the mass.
  • the sheet 10 advantageously also has two primers 68, 69 intended to facilitate the opening of the packaging 12' by tearing.
  • one of the two leaders 68 is substantially parallel to the transverse direction T and extends in the strip 54 between the tear guide strips 60, 61, and the other leader 69 is located in the sealing hem 67 between the tear guide strips 60, 61 and forms two circular arcs each extending from the vicinity of a tear guide strip 60; 61 and opening into the nearest transverse edge 41 of the sheet 10.
  • the central parts 34A, 35A, 36A, 37A of the four longitudinal panels 34, 35, 36, 37 are intended to form faces 100, 102, 104, 106 of the packaging 12.
  • the faces 100, 102, 104, 106 typically comprise a front face 100 opposite a rear face 102 receiving the tongue 56, and two transverse lateral faces 104, 106.
  • the front 100 and rear 102 faces are square in shape.
  • the side faces 104, 106 are rectangular in shape, not square, so that the package 12 obtained is a rectangular parallelepiped.
  • the side faces 104, 106 are also square in shape so that the resulting packaging 12' is a cube.
  • the front 100 and rear 102 faces are rectangular in shape, not square, and the side faces 104, 106 are rectangular in shape, not square, so that the packaging 12 obtained is a rectangular parallelepiped.
  • the cube-shaped packaging may not have a sealing hem and may have a peelable transverse seal and that the shape parallelepiped may have a hem and starters and have a tearable transverse joint.
  • Plastic means a waterproof attachment, by gluing or sealing, allowing the two parts thus attached to be separated manually during normal use of the packaging without tearing them.
  • a blank 70 comprising a plurality of sheets 10 is shown in the figure 2
  • the sheets 10 are joined to each other by the longitudinal edge 38, 39.
  • the packaging 12; 12' contains a food product P.
  • the blank 70 of a plurality of sheets 10 is advantageously in the form of a reel.
  • the blank 70 is unwound, for example, by techniques known in the packaging of food products.
  • a substep 87 the tear guide strips 60, 61 are formed.
  • the tear guide strips 60, 61 are for example in the form of a weakening of the sheet 10 in its thickness, in particular by means of a half-meat pre-cut using blades or laser treatment.
  • the tear guide strips 60, 61 are in the form of strips laminated to the sheet 10.
  • the longitudinal weakenings 30, 31, 32, 33, transverse weakenings 42, 43, 44, 53, 62, 63, 64, 65, 66 and additional weakenings 45, 46, 47, 48, 49, 50, 51, 52, 53 are formed.
  • the longitudinal weakenings 30, 31, 32, 33, transverse weakenings 42, 43, 44, 53, 62, 63, 64, 65, 66 and additional weakenings 45, 46, 47, 48, 49, 50, 51, 52, 53 are for example produced by crushing the sheet 10.
  • Crushing is particularly suitable for materials such as paper or cardboard, but also for certain plastics.
  • the longitudinal weakenings 30, 31, 32, 33, transverse weakenings 42, 43, 44, 53, 62, 63, 64, 65 and additional weakenings 45, 46, 47, 48, 49, 50, 51, 52, 53 are for example produced by removing a portion of the sheet 10 in its thickness, via a mid-flesh pre-cut obtained by blades or by laser treatment.
  • the weakening for folding is partly confused with the tear guide strips 60, 61 in the form of a weakening of the sheet 10, the opening being carried out according to the folding weakenings.
  • a part of the sheet 10 is for example cut on one of the longitudinal edges 38, 39 of the sheet 10 to create the tab 56.
  • the tab 56 is made by a combination of cutting and folding.
  • two straight cuts are made in the sheet perpendicular to the edge on which the tab is made, and the sheet is folded back on itself at 45° outside each cut to form a point.
  • the part of the sheet folded to form the tab is sealed and glued to prevent the tab from unfolding.
  • This sub-step 89 can be carried out before, during or after the sub-step 87 of forming the tear guide strips 60, 61 and the sub-step 88 of forming the longitudinal weakenings 30, 31, 32, 33, transverse weakenings 42, 43, 44, 53, 62, 63, 64, 65 and additional weakenings 45, 46, 47, 48, 49, 50, 51, 52, 53.
  • the formation of the tab 56 is obtained by simple cutting in the sheet 10, or by a combination of one or more cuts and one or more folds.
  • the primers 68, 69 are further formed by simple cutting in the sheet 10, or by a “half-flesh” cut.
  • the formation of the primers 68, 69 can be carried out during the sub-step 88 of forming the longitudinal weakenings 30, 31, 32, 33, transverse weakenings 42, 43, 44, 53, 62, 63, 64, 65 and additional weakenings 45, 46, 47, 48, 49, 50, 51, 52, 53 or during the sub-step 89 of producing the tab 56.
  • each sheet 10 is folded back on itself along the transverse weakenings 42, 43, 44 to form a front face 100, a rear face 102, and two transverse lateral faces 104, 106 with an angle of 90° between two consecutive faces 100, 102, 104, 106.
  • the sealing hem 67 is folded back as shown in the Figure 5 along the transverse weakening 66 connecting the hem 67 to the longitudinal panel 37 furthest from the end region 22, towards the outside of the packaging 12; 12' so that folding the sheet 10 on itself along the transverse weakenings 42, 43, 44 brings the strip 54 and the sealing hem 67 opposite each other.
  • the tab 56 and the strip 54 are folded back onto the rear face 102 along the transverse weakening 53.
  • the blank 70 of a plurality of sheets 10 thus folded forms a tube 112 of rectangular section shown in the figure 4 .
  • the tab 56 projects longitudinally from the transverse joint 110.
  • a swan-neck type forming equipment is for example used, the outlet of which has a rectangular section and is extended by a pipe of section identical to the outlet section of the cheese equipment.
  • the equipment for producing the packaging 12;12' advantageously includes counterparts for maintaining the geometry of the tube 112 from the outside, by pressing it against the pipe.
  • the counterparts are typically simple plates arranged tightly around the tube 112, or drive rollers.
  • the strip 54 is sealed to the sealing hem 67 as packages 12 are produced by the process.
  • the sealing is of the “flesh-flesh” type.
  • the sealing is for example carried out by heating or ultrasonic rollers applied to the tube 112, or by heating or ultrasonic bars applied to the tube 112.
  • the strip 54 once sealed forms a transverse seal 110 of the packaging 12; 12'.
  • the transverse seal 110 is peelable or tearable.
  • the sealing hem 67 prevents the transverse edge 41 of the sheet 10 opposite the end region 22 from being in direct contact with the food product P once the sheet 10 is folded.
  • This geometry is particularly suitable for materials which cannot be directly brought into contact with the product, in particular paper or cardboard-based materials.
  • the transverse seal 110 is peelable, as shown in the figure 9 , this sealing must be carried out with precise settings.
  • a tearable 110 cross seal as shown in the figure 12 is obtained using primers 68, 69.
  • the strip 54 is sealed to the back face 102.
  • the sealing is for example carried out by heating or ultrasonic rollers applied to the tube 112, or by heating or ultrasonic bars applied to the tube 112.
  • the sheet 10 must not, in its thickness, present any sensitivity to the food product P contained in the packaging 12. Indeed, on the transverse edge 41 of the sheet 10 opposite the end region 22, all of the constituent materials of the sheet 10 are exposed and therefore exposed to direct contact with the food product P. To remedy this, this example requires either using a naturally resistant material, or covering this area where the food product P is exposed with a sealing layer and possibly a barrier to water and gases as defined above.
  • step 82 of longitudinal sealing of the sheet 10 the sheet 10 is sealed longitudinally in the vicinity of one of the two longitudinal edges 39 to form a longitudinal bottom seal 114 as shown in the figure 6 .
  • the longitudinal sealing in the vicinity of said longitudinal edge 39 results in the formation of a bellows 116, as shown in the figure 6 , by folding along the four additional weakenings 47, 48, 51, 52 located on the side of said longitudinal edge 39 towards the inside of the packaging 12, folding along the longitudinal weakening 32 connecting the central panel 24 and the proximal side panel 27, folding along the longitudinal weakening 33 connecting the proximal side panel 27 and the distal side panel 28, and folding along the two transverse weakenings 63, 65 each opening at one end into the vertex of one of the two substantially isosceles triangles formed by the additional weakenings 47, 48, 51, 52 located on the side of said longitudinal edge 39.
  • the foldings to form the bellows 116 are carried out simultaneously.
  • the longitudinal sealing in the vicinity of said longitudinal edge 39 results in the formation of two points 116' instead of bellows, projecting longitudinally outwards from the longitudinal seal 114, as shown in the figure 11 , by folding along the four additional weakenings 47, 48, 51, 52 located on the side of said longitudinal edge 39 towards the outside of the packaging 12, a fold along the longitudinal weakening 32 connecting the central panel 24 and the proximal side panel 27, a fold along the longitudinal weakening 33 connecting the proximal side panel 27 and the distal side panel 28, and a fold along the two transverse weakenings 63, 65 each opening at one end into the vertex of one of the two substantially isosceles triangles formed by the additional weakenings 47, 48, 51, 52 located on the side of said longitudinal edge 39.
  • the folds to form the points 116' are carried out simultaneously.
  • the sealing time is preferably between 0.2 seconds and 0.5 seconds. Sealing is as quick as possible so as not to impact production speed.
  • the bottom longitudinal seal 114 does not need to be peeled to open the package 12 once formed, and can be soiled, thus the longitudinal sealing is advantageously carried out in a strong manner to ensure a good seal.
  • the longitudinal sealing is an ultrasonic sealing, particularly suitable in the present method.
  • Ultrasonic sealing allows sealing even when a weld area is soiled or through a food product P contained in the packaging 12.
  • the folding and sealing are preferably carried out in the vicinity of the downstream end of the forming equipment allowing the formation of the tube 112, the forming equipment being in this situation used as a counterpart of the folding.
  • Downstream end means the end located downstream of the forming operation.
  • the longitudinal bottom seal 114 of a sheet 10 is typically produced at the same time as a longitudinal top seal 120 closing the previous sheet 10.
  • the sheet 10 folded back on itself and sealed longitudinally along a longitudinal bottom seal 114 defines an interior cavity 122 capable of containing a food product P.
  • step 83 once the longitudinal bottom seal 114 of a sheet 10 has been formed, the interior cavity 122 of the sheet 10 is filled with food product P.
  • the sheet 10 is moved beyond the end of the forming equipment.
  • a pipe located inside the forming equipment makes it possible to dose the food product P into the interior cavity 122.
  • the forming equipment In order to be able to carry out the filling, the forming equipment has vertical geometry, and its upstream end is located above its downstream end.
  • Upstream end means the end located upstream of the forming operation.
  • the dosage is preferably carried out at temperatures between 20°C and 90°C, preferably between 30°C and 80°C.
  • the dosage of food product P must be precise in volume.
  • the pipe is lowered to the vicinity of the longitudinal bottom seal 114 just sealed and rises as the dosage progresses to always remain slightly above the level of food product P in the interior cavity 122, this in order to avoid trapping air bubbles in the packaging 12 once formed.
  • the folds to form the points 130' are carried out simultaneously.
  • a final step 91 of shaping the packaging 12;12' of the figure 7 consists of folding the two longitudinal seals 114, 120 against the packaging 12; 12' in order to obtain a parallelepiped shape, as shown in the figure 8 , or a cubic shape.
  • the package 12 is placed in a former comprising an inlet and an outlet, the inlet having a funnel shape and the outlet having a section corresponding to that of the desired package 12.
  • the folding of the sealing tips 116', 130' is done for example by means of a former separate from the forming equipment for forming the tube 112, during the advancement of the packaging 12', or by means of a mobile mechanical system.
  • the food product P is still in a liquid or viscous state during this stage.
  • the last optional shaping step 91 allows improved storage of the packages 12; 12' by reducing the volume occupied by the packages 12; 12' and contributes to the shaping of the food product P in the package 12, 12' by reinforcing the longitudinal side faces 140, 142.
  • the packaging 12;12' is itself packaged in a secondary packaging (not shown) also fulfilling the role of mold for setting the food product P in the packaging 12;12' in the desired shape.
  • such secondary packaging may be provided with compartments for receiving each packaging 12;12' individually while the food product P sets and until the food product P is consumed by the consumer.
  • the packaging 12; 12' is for example inserted into a mold, or a conformer maintaining it in the desired geometry while the food product P gels and takes on its final texture.
  • This step of taking the texture of the product P is advantageously accelerated by rapid cooling of the product P in its packaging 12;12' kept in shape.
  • a consumer grasps the free end 58 of the tab 56 and pulls in a single movement following the longitudinal weakenings 31, 32 connecting the proximal side panels 26, 27 to the central panel 24 so that the food product P is accessible as shown in the figure 9 .
  • the tear guide strips 60, 61 facilitate the guiding of the opening so that the food product P is accessible on at least three faces of the package 12, 12', preferably five faces when the package 12, 12' is opened.
  • the tear guide strips 60, 61 facilitate the guiding of the opening so that the food product P is accessible on exactly three faces of the package 12, 12'.
  • Access to the product on three sides makes it easy for the consumer to grasp and consume, for example by removing it from the packaging in one piece to bite into it.
  • the consumer After tearing, the consumer only has to, if he wishes, release the two longitudinal side faces 140, 142 and thus gain very wide access to the product, for example to place it on bread without touching it with his fingers.
  • the primers 68, 69 participate in the opening of the packaging 12' by weakening the sheet 10 which is thus easier to tear.
  • Opening the 12 pack is therefore very simple.
  • a plurality of packagings 12 is presented in the form of a string 200 where the packagings 12 are integral with each other, the longitudinal bottom seal 114 of a packaging 12 being merged with the longitudinal top seal 120 of the adjacent packaging 12, as shown in the figure 14 .
  • Step 91 of folding down the gussets 130 or the tips 116 only concerns the end packagings 12 of the string 200 in this embodiment.
  • the 12-unit packs can be easily separated from the string thanks to the pre-cutting made by the serrated blade.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Making Paper Articles (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Cartons (AREA)
  • Wrappers (AREA)

Claims (12)

  1. Verpackung (12; 12') für Lebensmittelprodukt (P), die aus einer Folie (10) gebildet ist, das aus einem Zuschnitt (70) einer Vielzahl von Folien (10) stammt, die über einen Längsrand (38, 39) fest miteinander verbunden sind, wobei jede Folie (10) dazu bestimmt ist, eine Verpackung (12, 12') zu bilden, jede Folie (10) des Zuschnitts (70) eine Lasche (56) aufweist, die fest mit einem Querrand (40) der Folie (10) verbunden ist, die Lasche (56) ein freies Greifende (58) aufweist,
    jede Folie (10) des Zuschnitts (70) gefaltet ist, um ein Rohr (122) mit rechteckigem Querschnitt zu bilden, und entlang einer abziehbaren oder aufreißbaren Querverbindung (110) auf sich selbst versiegelt ist, die Lasche (56) in Längsrichtung von der Querverbindung (110) vorsteht,
    jede Folie (10) des Zuschnitts (70) in Längsrichtung entlang einer Längsverbindung (114) des Bodens versiegelt ist, was somit einen inneren Hohlraum (122) definiert, der geeignet ist, um ein in den inneren Hohlraum (122) gegossenes Nahrungsmittelprodukt (P) zu enthalten, und
    die Verpackung (12; 12') durch Längsversiegelung der Folie (10) auf sich selbst entlang einer Längsverbindung (120) am Kopf, die von der Längsverbindung (114) am Boden beabstandet ist, geschlossen ist, wobei sich die Querverbindung (110) von einer Längsverbindung (114, 120) zur anderen erstreckt,
    wobei die Verpackung dadurch gekennzeichnet ist, dass:
    die Folie (10) längs verlaufende Aufreißführungsstreifen (60, 61) aufweist, wobei jeder an einem Ende in einen Querrand (41) der Folie (10) gegenüber der Lasche (56) und an einem anderen Ende in das freie Ende (58) der Lasche (56) mündet,
    jede Folie (10) des Zuschnitts (70) Schwächungen (30, 31, 32, 33, 42, 43, 44, 53, 45, 46, 47, 48, 49, 50, 51, 52, 53, 62, 63, 64, 65, 66) aufweist, die Querschwächungen (42, 43, 44, 53, 66) umfassen, wobei jede Folie (10) des Zuschnitts (70) entlang der Querschwächungen (42, 43, 44, 53, 66) gefaltet ist, um das Rohr mit rechteckigem Querschnitt zu bilden,
    die Folie (10) ferner eine Querschwächung (66) aufweist, entlang derer die Folie (10) zu der Außenseite der Verpackung (12; 12') gefaltet ist, um einen Siegelsaum (67) unter der Querverbindung (110) zu bilden.
  2. Verpackung (12; 12') nach Anspruch 1, wobei die Folie (10) überwiegend aus Papier, Karton oder Kunststoff oder aus einem Komplex besteht, der eine oder mehrere Lagen aus Papier und Kunststoff oder eine oder mehrere Lagen aus Kunststoff und Aluminium oder mehrere Lagen aus Kunststoff oder eine oder mehrere Lagen aus Papier, Kunststoff und Aluminium umfasst.
  3. Verpackung (12; 12') nach Anspruch 1 oder 2, wobei die Schwächungen (30, 31, 32, 33, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 62, 63, 64, 65, 66) der Folie (10) mindestens vier Längsschwächungen (30, 31, 32, 33), vier Querschwächungen (42, 43, 44, 53) und acht zusätzliche Schwächungen (45, 46, 47, 48, 49, 50, 51, 52) umfassen, zwei der vier Längsschwächungen (30, 33) und die acht zusätzlichen Schwächungen (45, 46, 47, 48, 49, 50, 51, 52) zur Bildung von zwei Längsfaltenbälgen (116, 130) oder von vier Spitzen (116', 130') dienen, die von den beiden Längsverbindungen (114, 120) in Längsrichtung nach außen hervorstehen.
  4. Verpackung (12;12') nach einem der Ansprüche 1 bis 3, die eine teilweise parallelepipedische Form aufweist, die durch vier Seiten (100, 102, 104, 106) und zwei Längsfaltenbälge (116, 130) oder vier Spitzen (116', 130') gebildet ist, die von den zwei Längsverbindungen (114, 120) in Längsrichtung nach außen hervorstehen.
  5. Verpackung (12) nach Anspruch 3, die eine parallelepipedische Form aufweist, bei der die zwei Längsfaltenbälge (116, 130) oder die vier Spitzen (116', 130'), die in Längsrichtung von den beiden Längsverbindungen (114, 120) nach außen hervorstehen, umgeklappt sind.
  6. Verpackung (12') nach einem der Ansprüche 1 bis 5, wobei die Folie (10) mindestens zwei Vorsprünge (68, 69) aufweist, die dazu bestimmt sind, das Öffnen der Verpackung (12') zu erleichtern, wobei die Querverbindung (110) aufreißbar ist.
  7. Verfahren zur Herstellung und Befüllung mindestens einer Verpackung (12; 12') für ein Lebensmittelprodukt (P), umfassend mindestens die folgenden Schritte:
    einen Schritt (80) eines Bereitstellens eines Zuschnitts (70) einer Vielzahl von Folien (10), die über einen Längsrand (38, 39) fest miteinander verbunden sind, wobei jede Folie (10) dazu bestimmt ist, eine Verpackung (12, 12') zu bilden, jede Folie (10) eine Lasche (56) aufweist, die fest mit einem Querrand (40) der Folie (10) verbunden ist, die Lasche (56) ein freies Greifende (58) aufweist,
    einen Schritt (81) eines Faltens des Zuschnitts (70), um ein Rohr (122) mit rechteckigem Querschnitt zu bilden, und eines Querversiegelns des Zuschnitts (70) auf sich selbst, um eine abziehbare oder aufreißbare Querverbindung (110) zu bilden, wobei die Lasche (56) jeder Folie (10) in Längsrichtung von der Querverbindung (110) hervorsteht, und für jede Folie (10),
    einen Schritt (82) eines Versiegelns der Folie (10) in Längsrichtung, um eine Längsverbindung (114) an dem Boden zu bilden was somit einen inneren Hohlraum (122) definiert, der geeignet ist, um ein Nahrungsmittelprodukt (P) zu enthalten,
    einen Schritt (83) eines Befüllens des inneren Hohlraums (122) mit dem Nahrungsmittelprodukt (P), und
    einen Schritt (84) eines Schließens der Verpackung (12;12') durch Versiegeln der Folie (10) in Längsrichtung auf sich selbst, um eine Längsverbindung (120) am Kopf zu bilden, die von der Längsverbindung (114) am Boden beabstandet ist, wobei sich die Querverbindung (110) von einer Längsverbindung (114, 120) zur anderen erstreckt, die Längsverbindung (120) am Kopf der Folie (10) die Längsverbindung (114) am Boden der nächsten Folie (10) bildet,
    wobei das Verfahren dadurch gekennzeichnet ist, dass:
    die Folie (10) längs verlaufende Aufreißführungsstreifen (60, 61) aufweist, wobei jeder an einem Ende in einen Querrand (41) der Folie (10) gegenüber der Lasche (56) und an einem anderen Ende in das freie Ende (58) der Lasche (56) mündet,
    jede Folie (10) Schwächungen (30, 31, 32, 33, 42, 43, 44, 53, 45, 46, 47, 48, 49, 50, 51, 52, 53, 62, 63, 64, 65, 66) aufweist, umfassend Querschwächungen (42, 43, 44, 53, 66), wobei der Zuschnitt (70) in Schritt (81) gemäß den Querschwächungen (42, 43, 44, 53, 66) jeder Folie (10) gefaltet ist, um das Rohr mit rechteckigem Querschnitt zu bilden,
    die Folie (10) ferner eine Querschwächung (66) aufweist, entlang derer die Folie (10) zu der Außenseite der Verpackung (12 ; 12') gefaltet ist, um einen Siegelsaum (67) unter der Querverbindung (110) zu bilden.
  8. Verfahren zur Herstellung und Befüllung nach Anspruch 7, ferner umfassend, gleichzeitig mit oder nach dem Schritt (84) eines Schließens der Verpackung (12; 12'), einen zusätzlichen Schritt (90) eines Trennens zweier aufeinanderfolgender Verpackungen (12;12') durch Schneiden.
  9. Verfahren zur Herstellung und Befüllung nach Anspruch 7, ferner umfassend, gleichzeitig mit oder nach dem Schritt (84) eines Schließens der Verpackung (12;12'), einen zusätzlichen Schritt (90') eines Verformens eines Längsvorschnitts zwischen zwei aufeinanderfolgenden Verpackungen (12;12').
  10. Verfahren zur Herstellung und Befüllung nach einem der Ansprüche 7 bis 9, wobei bei dem Schritt (83) eines Befüllens das Nahrungsmittelprodukt (P) in flüssigem oder viskosem Zustand eingefüllt wird und in der Verpackung (12;12') erstarrt.
  11. Verfahren zur Herstellung und Befüllung nach einem der Ansprüche 7 bis 9, wobei der Zuschnitt (70) in Form einer Spule bereitgestellt wird, das Verfahren ferner umfassend, vor dem Schritt (81) eines Faltens des Zuschnitts (70), einen Teilschritt (86) eines Abwickelns des Zuschnitts (70) und für jede Folie (10) einen Teilschritt (87) einer Bildung von Aufreißführungsstreifen (60, 61), einen Teilschritt (88) zur Bildung von Schwächungen (30, 31, 32, 33, 42, 43, 44, 53, 45, 46, 47, 48, 49, 50, 51, 52, 53, 62, 63, 64, 65, 66), einen Teilschritt (89) zur Bildung der Lasche (56) und optional zur Bildung von Vorsprüngen (68, 69).
  12. Zuschnitt (70) einer Vielzahl von Folien (10), um mindestens eine Verpackung (12;12') nach einem der Ansprüche 1 bis 6 zu bilden,
    wobei die Folien (10) durch einen Längsrand (38, 39) fest miteinander verbunden sind, wobei jede Folie (10) dazu bestimmt ist, eine Verpackung (12, 12') zu bilden, wobei jede Folie (10) des Zuschnitts (70) Schwächungen (30, 31, 32, 33, 42, 43, 44, 53, 45, 46, 47, 48, 49, 50, 51, 52, 53, 62, 63, 64, 65, 66) aufweist, umfassend Querschwächungen (42, 43, 44, 53, 66), und eine Lasche (56), die fest mit einem Querrand (40) der Folie (10) verbunden ist,
    jede Folie (10) des Zuschnitts (70) entlang der Querschwächungen (42, 43, 44, 53, 66) faltbar ist, um eine Rohr (122) mit rechteckigem Querschnitt zu bilden, und entlang einer abziehbaren oder aufreißbaren Querverbindung (110) auf sich selbst versiegelbar ist, wobei die Lasche (56) in Längsrichtung von der Querverbindung (110) hervorsteht,
    jede Folie (10) des Zuschnitts (70) in Längsrichtung entlang einer unteren Längsverbindung (114) versiegelt werden kann, was somit einen inneren Hohlraum (122) definiert, der geeignet ist, um ein in den inneren Hohlraum (122) gegossenes Nahrungsmittelprodukt (P) zu enthalten, und
    wobei die Verpackung (12;12') durch Längsversiegelung der Folie (10) auf sich selbst entlang einer Längsverbindung (120) am Kopf, die von der Längsverbindung (114) am Boden beabstandet ist, geschlossen werden kann, wobei sich die Querverbindung (110) von einer Längsverbindung (114, 120) zur anderen erstreckt,
    die Lasche (56) ein freies Greifende (58) aufweist, die Folie (10) längs verlaufende Aufreißführungsstreifen (60, 61) aufweist, wobei jeder an einem Ende in einen Querrand (41) der Folie (10) gegenüber der Lasche (56) und an einem anderen Ende in das freie Ende (58) der Lasche (56) mündet,
    die Folie (10) ferner eine Querschwächung (66) aufweist, entlang derer die Folie (10) zu der Außenseite der Verpackung (12 ; 12') gefaltet ist, um einen Siegelsaum (67) unter der Querverbindung (110) zu bilden.
EP21700957.0A 2020-01-22 2021-01-21 Lebensmittelverpackung, die aus einer auf sich selbst gesiegelten folie besteht, verfahren zum herstellen und befüllen einer solchen verpackung und zuschnitt Active EP4093685B1 (de)

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FR2000610A FR3106341B1 (fr) 2020-01-22 2020-01-22 Emballage pour produit alimentaire formé d’une feuille scellée sur elle-même
PCT/EP2021/051319 WO2021148526A1 (fr) 2020-01-22 2021-01-21 Emballage pour produit alimentaire forme d'une feuille scellee sur elle-meme, procede de fabrication et de remplissage d'un tel emballage et flan

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EP (1) EP4093685B1 (de)
JP (1) JP2023511175A (de)
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FR3106341B1 (fr) 2020-01-22 2022-01-28 Bel Emballage pour produit alimentaire formé d’une feuille scellée sur elle-même
FR3132287B1 (fr) * 2022-02-01 2024-02-09 Bel Flan pour l’emballage d’une portion alimentaire
FR3132286B1 (fr) 2022-02-01 2024-09-13 Bel Flan pour l’emballage d’une portion alimentaire

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Publication number Publication date
WO2021148526A1 (fr) 2021-07-29
FR3106341A1 (fr) 2021-07-23
US20230348164A1 (en) 2023-11-02
US11964809B2 (en) 2024-04-23
CN115066377A (zh) 2022-09-16
FR3106341B1 (fr) 2022-01-28
EP4093685A1 (de) 2022-11-30
JP2023511175A (ja) 2023-03-16
WO2021148526A4 (fr) 2021-10-07
CA3164589A1 (fr) 2021-07-29

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