WO2023111780A1 - Emballage hermétique pour produits alimentaires liquides ou pâteux et procédé de fabrication de l'emballage - Google Patents

Emballage hermétique pour produits alimentaires liquides ou pâteux et procédé de fabrication de l'emballage Download PDF

Info

Publication number
WO2023111780A1
WO2023111780A1 PCT/IB2022/061867 IB2022061867W WO2023111780A1 WO 2023111780 A1 WO2023111780 A1 WO 2023111780A1 IB 2022061867 W IB2022061867 W IB 2022061867W WO 2023111780 A1 WO2023111780 A1 WO 2023111780A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
fin
walls
package
base wall
Prior art date
Application number
PCT/IB2022/061867
Other languages
English (en)
Inventor
Massimo Battaglia
Pierluigi Castellari
Dario Rea
Original Assignee
I.M.A. Industria Macchine Automatiche S.P.A.
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 I.M.A. Industria Macchine Automatiche S.P.A. filed Critical I.M.A. Industria Macchine Automatiche S.P.A.
Publication of WO2023111780A1 publication Critical patent/WO2023111780A1/fr

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
    • 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
    • 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
    • B65B11/004—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material in blanks, e.g. sheets precut and creased for folding
    • 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
    • B65B11/54—Wrapping by causing the wrapper to embrace one end and all sides of the contents, and closing the wrapper onto the opposite end by forming regular or irregular pleats
    • 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
    • B65B25/10—Forming sector-shaped packages of cheese or like plastic products
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • 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
    • B65B49/00—Devices for folding or bending wrappers around contents
    • B65B49/02—Fixed or resiliently-mounted folders, e.g. non-driven rollers
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2014—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape
    • B65D5/2028—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape triangular
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02—Wrappers or flexible covers
    • B65D65/04—Wrappers or flexible covers non-rectangular
    • 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
    • B65D85/74—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 butter, margarine, or lard

Definitions

  • This invention relates to a hermetic package which can be opened with a triangular prismatic shape for liquid or pasty food products.
  • the invention also relates to a method for making hermetic packages containing the above-mentioned food products.
  • Liquid or pasty products refer in this description to products which can be fed into the package by a nozzle, both when cold and when hot, such as, for example, consisting of processed cheese, butter, chocolate, marmalade, etc.
  • these packages (or wrappers) of the portions of liquid or pasty product are obtained from a thin aluminium film, formed by folding according to a predetermined sequence to form a partly open container in which the liquid or pasty product is dosed, both hot and cold (more often at a temperature higher than the ambient temperature).
  • a portion forming the lid (again made of aluminium) is positioned on the open part of the package and it is all sealed.
  • the packages may also be made from paper-based material.
  • This type of package has two blanks, one for forming the container and the other for forming the lid which, after filling the container, is placed on the product poured into the container and it is all then sealed.
  • Both types of packages may have a facilitated opening system obtained by means of a tear strip made of plastic glued in a portion of the package before forming.
  • the package may have a loss of weight of the packaged product due to the evaporation of part of its aqueous part which could be due to the presence of a leak in the package.
  • the leakages also allow oxygen to enter the package and limit the shelf life due to the oxidation of the product.
  • the aim of the invention is to provide a hermetic package which can be opened with a prismatic shape, in particular with a triangular cross-section, for liquid or pasty food products which overcomes the above-mentioned drawbacks of the prior art, and which is able to have an optimum closing quality to guarantee a high duration of the product combined with maintaining its quality.
  • a further aim of the invention is to provide a hermetic package which can be opened with a prismatic shape, in particular with a triangular cross section, for liquid or pasty food products which can be obtained quickly and easily. Said aims are fully achieved by the package which can be opened with a prismatic shape, in particular with a triangular cross-section, for liquid or pasty food products according to the invention as characterised in the appended claims.
  • FIGS. 1 A to 1 F illustrate the formation of a first hermetic package which can be opened with a prismatic shape, in particular with a triangular cross section, for liquid or pasty food products according to the invention and with perspective views;
  • FIGS. 2A to 2F illustrate the formation of a second type of hermetic package which can be opened with a prismatic shape, in particular with a triangular cross section, for liquid or pasty food products according to the invention and with perspective views;
  • FIGS. 3A to 3F illustrate the formation of a third type of hermetic package which can be opened with a prismatic shape, in particular with a triangular cross section, for liquid or pasty food products according to the invention and with perspective views;
  • FIG. 4A to 4G illustrate the formation of a fourth type of hermetic package which can be opened with a prismatic shape, in particular with a triangular cross section, for liquid or pasty food products according to the invention and with perspective views;
  • FIGS. 5 and 6 illustrate a schematic succession of a method for making hermetic packages containing liquid or pasty food products obtained on a forming spindle.
  • the hermetic package according to the invention is used to contain portions of liquid or pasty food products, such as, for example, processed cheese, butter, chocolate, jams, etc.
  • the package C according to the invention has a triangular prismatic shape.
  • the package C for a food product in liquid or pasty form consists of a single sheet 1 having longitudinal and transversal lines of weakness.
  • the sheet 1 is folded along the lines of weakness to form the container C having a triangular prismatic shape.
  • the package C comprises two opposite front walls 1 A, 1 B, parallel to each other and triangular in shape.
  • the package C also comprises two opposing rectangular lateral walls 1 C, 1 D slanted towards a common vertex V.
  • the package C also comprises a substantially rectangular base wall 1 E from whose major opposite edges the two front walls 1A, 1 B depart, and from whose two minor opposite edges the two lateral walls 1 C, 1 D depart.
  • the longitudinal lines are the lines along the edges between the front walls 1A, 1 B and the lateral walls 1 C, 1 D, whilst the transversal lines are to be considered along the edges between the base wall 1 E and the remaining front and lateral walls, as well as the line along the vertex V.
  • the container C is sealed firstly with a first and a second sealing configured to make a container C having a single opening 10 giving access to a cavity delimited by the front walls 1A, 1 B and by the lateral walls 1 C and 1 D.
  • the first and second sealing are formed by joining corresponding inner faces of at least one between the front walls 1 A, 1 B and/or lateral walls 1 C, 1 D, in such a way as to create a first P1 and a second P2 sealing fin. At least one between the first P1 and second P2 sealing fins are of the peelable or tearable type.
  • the inner face means the side of the sheet 1 which will come into contact with the product, whilst the opposite side is the outer face.
  • the access opening 10 is made at the base wall 1 E, so as to allow the filling of the cavity with the product poured by falling through the access opening 10.
  • the access opening 10 is closed after the filling by a third sealing formed by welding together internal faces of two opposite end tails of the front walls 1A, 1 B as well as welding to each other internal faces of two pairs of opposite end tails of the lateral walls 1 C, 1 D, so as to create on the base wall 1 E a single third base sealing fin P3.
  • the package is obtained with a single sheet and with an extremely simple, but safe sealing and with a high degree of mechanical seal.
  • This type of package has a very high constructional versatility confirmed by four versions illustrated, merely by way of example, in Figures 1 to 4 which can be obtained with the above-mentioned features.
  • the packages are obtained with a single sheet 1 having a “fan” shape where the base wall 1 E is formed in the larger arc whilst the shared vertex V will be formed in the narrower arc.
  • the packages are obtained with a single sheet 1 having a double wing shape joined in a shared central zone; in this case the shared vertex V of the package will be formed in the shared central area, whilst the two free ends once folded relative to the vertex will form the base wall 1 E.
  • the first sealing defining the first fin P1 is formed longitudinally and centrally on one of the front walls 1 A or 1 B starting from the vertex up to the centre of the base wall 1 E, or on one of the lateral walls 1 C or 1 D.
  • the second sealing defining the second fin P2 is formed transversely along the common vertex V formed where the lateral walls 1 C, 1 D meet. More specifically, in the package of Figure 1 , the first sealing defining the first fin P1 is formed longitudinally and centrally on the front wall 1 A.
  • the first sealing defining the first fin P1 is formed longitudinally on the lateral wall 1 C.
  • the first and the second sealing defining, respectively, the first P1 and the second P2 fin are formed longitudinally and centrally, respectively, on each front wall 1 A, 1 B or on each lateral wall 1 C, 1 D.
  • the first and second sealing defining, respectively, the first P1 and the second P2 fin are formed longitudinally and centrally on each of the two front walls 1 A and 1 B.
  • the first and second sealing defining, respectively, the first P1 and the second P2 fin are formed longitudinally on each of the two lateral walls 1 C, 1 D.
  • the third base fin P3 is formed centrally and folded on the base wall 1 E.
  • the third sealing which forms the third base fin P3, in all the packages, also forms, after folding the third fin P3 on the base wall 1 E, a pair of flaps 3 protruding on both sides from the base wall 1 E.
  • flaps 3 are preferably folded on the closest lateral walls 1 C and 1 D.
  • the base wall 1 E comprises a protruding base tab 2 configured to facilitate opening of the package C.
  • the base tab 2 is made on the third fin P3.
  • At least one between the first P1 and the second P2 sealing fin may comprise a (further) protruding lateral tab 2' configured for opening the package C.
  • respective tabs 2' are formed on both the fins P1 and P2.
  • the tab 2, 2' (both base and lateral) is, preferably, but not necessarily, in the form of a flat half-moon. These tabs 2, 2' lend themselves to facilitating opening starting from the fins P1 and/or P2 and/or P3, since they define gripping points on the package C.
  • At least one between the first P1 , the second P2 and the third P3 sealing fin is folded on a respective wall 1 A, 1 B, 1 C, 1 D, 1 E of the container C.
  • each of the first P1 , second P2 and third P3 fins is folded on the corresponding wall 1 A, 1 B, 1 C, 1 D, 1 E in which it is formed.
  • the third single base sealing fin P3 extends perpendicularly to the common vertex V.
  • the third fin P3 is formed by only two opposed layers of the single sheet 1 and is formed on the base wall 1 E in a position such that an empty space without the product is not left in the package close to the base wall 1 E.
  • all the sealing fins P1 , P2 and P3 are made by joining inside-inside, that is to say, joining two inner faces of the sheet, in such a way as to guarantee a perfect seal.
  • the joining of the portions which form the sealing fins may be obtained by applying glue, either by using hot sealers or by simply pressing in the presence of adhesive material (permanent or peelable type) pre-applied on the sheet, or by ultrasound sealing.
  • the invention also relates to a method for making a package C for a food product (see Figures 5 and 6).
  • the steps of the method illustrated relate to the package illustrated in Figure 1 , but may also be applied, without particular differences, for the other packages C.
  • the method comprises the following steps:
  • the first and second sealing are formed by joining corresponding inner faces of at least one among the front 1A, 1 B and/or lateral 1 C, 1 D walls, so as to create a first P1 and a second P2 sealing fin, at least one between the first P1 and second P2 sealing fin are of a peelable or tearable type.
  • the method then comprises the following steps:
  • the package is obtained with a single sheet folded around a mandrel configured to obtain a triangular prismatic shape. This wrapping makes it possible to obtain the closing fins quickly and easily.
  • the steps of performing the first and second sealing on the sheet 1 comprise the following sub-steps:
  • the steps of performing the first and second sealing on the sheet 1 comprise the following sub-steps:
  • the step of pulling out the container C from the forming spindle 4 occurs by expulsion of the container C from the forming mandrel 4 by sliding the container C on an outer surface of the forming mandrel 4. After pulling out the container C from the mandrel 4 it is filled and the base wall 1 E is subsequently sealed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Cartons (AREA)

Abstract

L'invention concerne un emballage hermétique pour produit alimentaire sous forme liquide ou pâteuse et constitué d'une seule feuille (1) ayant des lignes longitudinales et transversales de faiblesse et pliée le long des lignes de faiblesse pour former un récipient (C) ayant une forme prismatique triangulaire, constitué de deux parois avant opposées (1A, 1B) parallèles entre elles et de forme triangulaire, deux parois latérales rectangulaires inclinées opposées (1C, 1D) convergeant vers un sommet commun (V), et une paroi de base sensiblement rectangulaire (1E) dont les bords opposés plus grands prolongent les deux parois avant (1A, 1B), tandis que, à partir des deux bords opposés plus petits, s'étendent les deux parois latérales (1C, 1D) ; un premier et un deuxième joint d'étanchéité créent une première (P1) et une seconde (P2) ailette d'étanchéité ; les premier et deuxième joints d'étanchéité définissent une cavité délimitée par les parois avant (1A, 1B) et par les parois latérales (1C, 1D) et une ouverture unique (10) pour accéder à la cavité ; l'ouverture (10) est réalisée au niveau de la paroi de base (1E), de manière à permettre le remplissage de la cavité avec le produit versé en tombant à travers l'ouverture (10), l'ouverture (10) est à son tour fermée par un troisième joint d'étanchéité formé par scellement des faces internes des deux parois avant (1A, 1B) de manière à créer une troisième ailette d'étanchéité de base (P3).
PCT/IB2022/061867 2021-12-13 2022-12-07 Emballage hermétique pour produits alimentaires liquides ou pâteux et procédé de fabrication de l'emballage WO2023111780A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000031118A IT202100031118A1 (it) 2021-12-13 2021-12-13 Confezione per prodotti alimentari liquidi o pastosi e metodo per realizzare la confezione.
IT102021000031118 2021-12-13

Publications (1)

Publication Number Publication Date
WO2023111780A1 true WO2023111780A1 (fr) 2023-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/061867 WO2023111780A1 (fr) 2021-12-13 2022-12-07 Emballage hermétique pour produits alimentaires liquides ou pâteux et procédé de fabrication de l'emballage

Country Status (2)

Country Link
IT (1) IT202100031118A1 (fr)
WO (1) WO2023111780A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024121177A1 (fr) * 2022-12-09 2024-06-13 Bel Flan pour l'emballage d'une portion alimentaire et procédé d'emballage d'une portion alimentaire

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB317968A (en) * 1928-07-24 1929-08-29 Ernst Sutter Cheese packing and process for the production thereof
FR963213A (fr) * 1950-07-01
EP0310578B1 (fr) * 1987-10-01 1992-05-06 SEDA S.p.A. Récipient à ouvrir en déchirant, en particulier pour sorbet ou de produits similaires
EP0803439A1 (fr) * 1996-04-26 1997-10-29 Kustner Industries S.A. Procédé et installation de conditionnement d'un produit pâteux
GB2481419A (en) * 2010-06-22 2011-12-28 Colpac Ltd A Sandwich container and blank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963213A (fr) * 1950-07-01
GB317968A (en) * 1928-07-24 1929-08-29 Ernst Sutter Cheese packing and process for the production thereof
EP0310578B1 (fr) * 1987-10-01 1992-05-06 SEDA S.p.A. Récipient à ouvrir en déchirant, en particulier pour sorbet ou de produits similaires
EP0803439A1 (fr) * 1996-04-26 1997-10-29 Kustner Industries S.A. Procédé et installation de conditionnement d'un produit pâteux
GB2481419A (en) * 2010-06-22 2011-12-28 Colpac Ltd A Sandwich container and blank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024121177A1 (fr) * 2022-12-09 2024-06-13 Bel Flan pour l'emballage d'une portion alimentaire et procédé d'emballage d'une portion alimentaire
FR3143010A1 (fr) * 2022-12-09 2024-06-14 Bel Flan pour l’emballage d’une portion alimentaire dans une enveloppe prismatique à base triangulaire

Also Published As

Publication number Publication date
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