EP3556673B1 - Versiegelte packung für ein giessbares lebensmittelprodukt und folienverpackungsmaterial zur herstellung einer versiegelten packung für ein giessbares lebensmittelprodukt - Google Patents

Versiegelte packung für ein giessbares lebensmittelprodukt und folienverpackungsmaterial zur herstellung einer versiegelten packung für ein giessbares lebensmittelprodukt Download PDF

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Publication number
EP3556673B1
EP3556673B1 EP19169271.4A EP19169271A EP3556673B1 EP 3556673 B1 EP3556673 B1 EP 3556673B1 EP 19169271 A EP19169271 A EP 19169271A EP 3556673 B1 EP3556673 B1 EP 3556673B1
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EP
European Patent Office
Prior art keywords
package
transversal
edge
length
front edge
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
EP19169271.4A
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English (en)
French (fr)
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EP3556673C0 (de
EP3556673A1 (de
Inventor
Marcello Barbieri
Carlo FORCELLINI
Giulio FERRARI
Patricia CIVA
Alberto MAMELI
Cristina SIRIGNANO
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Priority to EP23194824.1A priority Critical patent/EP4279408A3/de
Publication of EP3556673A1 publication Critical patent/EP3556673A1/de
Application granted granted Critical
Publication of EP3556673C0 publication Critical patent/EP3556673C0/de
Publication of EP3556673B1 publication Critical patent/EP3556673B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D5/02—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/06—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
    • B65D5/064—Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of 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
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from 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
    • 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
    • B65D5/02—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • 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
    • B65D5/02—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0209—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body having a curved or partially curved cross-section
    • 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
    • B65D5/02—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/029—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 or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body presenting a special shape
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines

Definitions

  • the present invention relates to a sealed package containing a pourable food product.
  • the present invention also relates to a sheet packaging material for producing a sealed package containing a pourable food product.
  • pourable food products such as fruit juice, UHT (ultra-high-temperature treated) milk, wine, tomato sauce, etc.
  • UHT ultra-high-temperature treated milk
  • wine tomato sauce
  • etc. are sold in packages made of sterilized packaging material.
  • a typical example is the parallelepiped-shaped package for liquid or pourable food products known as Tetra Brik Aseptic (registered trademark), which is made by folding, sealing and cutting a web of laminated packaging material.
  • the packaging material has a multilayer structure comprising a base layer, e.g. of paper, covered on both sides with layers of heat-seal plastic material, e.g. polyethylene.
  • the packaging material also comprises a layer of oxygen-barrier material, e.g. an aluminium foil, which is superimposed on a layer of heat-seal plastic material, and is in turn covered with another layer of heat-seal plastic material forming the inner face of the package eventually contacting the food product.
  • Packages of this sort are normally produced on fully automatic packaging machines, on which a continuous tube is formed from the web-fed packaging material; the web of packaging material is sterilized on the packaging machine, e.g. by applying a chemical sterilizing agent, such as a hydrogen peroxide solution, which, once sterilization is completed, is removed from the surfaces of the packaging material, e.g. evaporated by heating; the web so sterilized is then maintained in a closed, sterile environment, and is folded and sealed longitudinally to form a tube, which is fed vertically.
  • a chemical sterilizing agent such as a hydrogen peroxide solution
  • the tube is filled with the sterilized or sterile-processed food product, and is sealed and subsequently cut along equally spaced cross sections; pillow packs are so obtained, which are then folded mechanically to form respective finished packages at a final folder.
  • crease lines i.e. weakening lines
  • the crease lines define folding lines along which the pillow packs are folded to take the desired final configuration.
  • the packaging material may be cut into blanks, which are formed into packages on forming spindles, and the resulting packages are then filled with the food product and sealed.
  • a type of package is the so-called "gable-top” package known by the trade name Tetra Rex (registered trademark).
  • the removable portion is formed on the packaging material prior to folding and sealing the packaging material to form the finished package.
  • the removable portion normally comprises a so-called “prelaminated” hole, i.e. a circular hole formed through the base layer only of the packaging material and covered, when the material is laminated, with the layers of heat-seal plastic material and barrier material, which adhere to one another at the hole.
  • prelaminated hole i.e. a circular hole formed through the base layer only of the packaging material and covered, when the material is laminated, with the layers of heat-seal plastic material and barrier material, which adhere to one another at the hole.
  • Each package of the above type is obtained from a basic unit of packaging material having given crease lines.
  • the above-mentioned basic unit represents the exact length of the packaging material used to produce one single package.
  • the original web includes a plurality of basic units joined to each other; in the case of packages made on forming spindles, the basic unit is defined by the blank cut from the web prior to starting the forming and sealing operations.
  • the basic unit typically has a rectangular or square configuration with two boundary edges parallel to a longitudinal direction and two other boundary edges parallel to a transversal direction orthogonal to the longitudinal direction.
  • the longitudinal direction becomes the direction along which the total height of the package itself is defined; the longitudinal direction also represents the main direction of extension of the web from which the basic unit is obtained.
  • the basic unit usually includes at least two transversal crease lines extending transversally to the longitudinal direction and dividing the basic unit itself into:
  • the transversal crease lines are also configured to define a bottom peripheral outline and a top peripheral outline of the finished package having endless configurations and respectively dividing the bottom portion and the top portion from the main portion.
  • the bottom portion of the finished package normally includes a flat and horizontal bottom panel defining the resting surface of the package itself.
  • the top portion of the finished package may include a flat and horizontal top panel, parallel to the bottom panel; alternatively, slanted top panels are very conveniently used in combination with opening devices because they are wider than corresponding flat top panels of parallelepiped or prismatic packages and therefore allow the application of larger opening devices, e.g. provided with screw caps or the like.
  • EP2650222 addresses the problem of providing a packaging container with a novel triangular cross section and a production method for said container.
  • the packaging container obtained by: tube-form molding by vertical sealing of a web-shaped packaging material; filling inside the tube-shaped packaging material; horizontal sealing in the transverse direction of the tube-shaped packaging material; forming of a pillow-shaped container body; cutting off of individual pillow-shaped container bodies; and forming into a final shape by folding along creases to form a top wall, a side wall, and a bottom wall and attaching formed fins and flaps to said walls.
  • the top wall and bottom wall have a triangular and a rectangular shape, respectively; the cross-section in the transverse direction of a packaging container main body, formed by four ridgelines that connect the triangulation points of the top wall and the four corner points of the bottom wall, is trapezoidal, and one corner point of the horizontal top wall protrudes towards the front side wall.
  • WO2017/001162 discloses a spout element for packaging, in particular composite packaging for liquid foodstuffs, said packaging having a polyhedral gable-shaped region and folded packaging casing flaps and the spout element having a main body, a polyhedral flange which is provided for connecting to a packaging casing and the connecting surfaces of which converge at surface meeting points; composite packaging for liquid foodstuffs, having a polyhedral gable-shaped region and folded packaging casing flaps, in which packaging the packaging casing is connected to the spout in a corresponding manner; and composite packaging for liquid foodstuffs having such a spout element.
  • Document EP2392517 describes a sealed package for pourable food products, comprising a quadrangular bottom panel which comprises a first front edge and a second rear edge opposite to each other; a quadrangular top panel which is opposite to bottom panel and comprises a third front edge and a fourth rear edge; a front panel which extends between first and third edges; and a rear panel which extends between second and fourth edges; the distance between first and third edges is smaller than the distance between second and fourth edges; top panel is angled with respect to a first plane defined by first and second edges; first and third edge define a second theoretical reference plane; front panel comprises a fifth and sixth edge which are opposite to one another and extend both between first and second edges; at least one of fifth and sixth front edge extends at least partially on the opposite side of a second theoretical plane with respect to rear panel; front panel comprises at least a first region which extends on the opposite side of a second theoretical plane with respect to rear panel.
  • Number 1 in Figures 1 to 5 indicates as a whole a sealed package according to the present invention, which contains a pourable food product and is obtained from a sheet packaging material 2 as shown in Figure 6 .
  • Package 1 comprises a bottom portion 3, a top portion 4 and a main portion 5 interposed between bottom portion 3 and top portion 4 and including a plurality of side wall portions 6, each one delimited by two opposite lateral edge zones 7.
  • Main portion 5 is divided from bottom portion 3 by a bottom peripheral outline 8 having an endless configuration defined by a broken line.
  • main portion 5 is divided from top portion 4 by a top peripheral outline 9, also having an endless configuration defined by a broken line.
  • Bottom portion 3 includes a flat and horizontal bottom panel 10 having a quadrilateral, i.e. rectangular or square (in the example shown rectangular), profile and defining the resting surface of the package itself.
  • Bottom panel 10 is delimited by bottom peripheral outline 8 in turn formed by four segments or contour edges, i.e. a bottom front edge 8a, a bottom rear edge 8b parallel to bottom front edge 8a and two bottom side edges 8c, orthogonal to bottom front edge 8a and bottom rear edge 8b.
  • bottom front edge 8a and bottom rear edge 8b have the same length; the same applies to bottom side edges 8c, which also have the same length.
  • Package 1 extends vertically along a longitudinal direction A, which is orthogonal to bottom panel 10 and along which the total height of the package 1 itself is defined. Longitudinal direction A is also orthogonal to bottom front edge 8a, bottom rear edge 8b and bottom side edges 8c of bottom peripheral outline 8.
  • total height means either the height of the package when the latter has a constant height or the maximum height of the package when the latter has a variable height.
  • Bottom portion 3 further includes two bottom lateral flaps 11 having substantially triangular configurations and folded in a known manner onto bottom panel 10 ( Figure 4 ).
  • Top portion 4 includes a flat and slanted top panel 14 having a quadrilateral, i.e. a square or a rectangular, profile and having a sloping configuration forwards with respect to longitudinal direction A.
  • top panel 14 is a rectangle approximating a square.
  • Top panel 14 is delimited by top peripheral outline 9 in turn formed by four segments or contour edges, i.e. a top front edge 9a parallel to bottom front edge 8a and bottom rear edge 8b, a top rear edge 9b, parallel to top front edge 9a and arranged higher than the top front edge 9a itself, and two top side edges 9c, orthogonal to top front edge 9a and top rear edge 9b and inclined with respect to longitudinal direction A.
  • top peripheral outline 9 in turn formed by four segments or contour edges, i.e. a top front edge 9a parallel to bottom front edge 8a and bottom rear edge 8b, a top rear edge 9b, parallel to top front edge 9a and arranged higher than the top front edge 9a itself, and two top side edges 9c, orthogonal to top front edge 9a and top rear edge 9b and inclined with respect to longitudinal direction A.
  • top peripheral outline 9 extends transversally with respect to longitudinal direction A.
  • top front edge 9a and top rear edge 9b have the same length; the same applies to top side edges 9c, which also have the same length.
  • Top portion 4 further includes two top lateral flaps 15 having substantially triangular configurations and folded in a known manner onto two opposite side wall portions 6 of main portion 5.
  • top portion 4 is also provided with an opening device 16 of plastic material placed over and around a removable portion 17 ( Figure 6 ) of the packaging material 2. Opening device 16 is applied onto top panel 14 by conventional fastening systems, such as adhesives, or by micro-flame, electric-current-induction, ultrasound, laser, injection moulding or other heat-sealing techniques.
  • main portion 5 of package 1 includes four side wall portions 6 with different profiles and sizes; advantageously, lateral edge zones 7 delimiting side wall portions 6 have rounded configurations.
  • a first side wall portion 6, designed to define a front face of package 1 has a substantially rectangular configuration delimited, at bottom and top, by straight bottom front edge 8a and top front edge 9a, and at opposite sides, by respective rounded and convex lateral edge zones 7.
  • Each of the other two side wall portions 6 has a profile substantially resembling a rectangular trapezium delimited:
  • the two side wall portions 6 having the trapezoidal profiles receive the respective top lateral flaps 15 on their outer surfaces.
  • the area of bottom panel 10 is different from the area of a top quadrilateral Q ( Figure 5 ) obtained by projecting, along longitudinal direction A, top panel 14 on a reference plane P ( Figure 3 ) parallel to the bottom panel 10, crossing package 1 and containing top front edge 9a of top peripheral outline 9.
  • bottom panel 10 is smaller than the area of top quadrilateral Q.
  • the area of bottom panel 10 may be bigger than the area of top quadrilateral Q.
  • top quadrilateral Q is a square or a rectangle, in the examples shown a rectangle approximating a square.
  • top quadrilateral Q includes a top front segment Q1, corresponding to bottom front edge 8a, a top rear segment Q2, corresponding to bottom rear edge 8b, and two top side segments Q3, respectively corresponding to bottom side edges 8c.
  • top side segments Q3 have the same length, which is in turn different from the length of bottom side edges 9c. More specifically, in the example shown, the length of bottom side edges 9c is smaller than the length of top side segments Q3.
  • top front segment Q1 and top rear segment Q2 have the same length, which is in turn different from the length of bottom front edge 8a and bottom rear edge 8b.
  • the length of bottom front edge 8a and bottom rear edge 8b is greater than the length of top front segment Q1 and top rear segment Q2.
  • the packaging material 2 from which package 1 is made is shown in Figure 6 and has a known multilayer structure (not shown) comprising a base layer, e.g. of paper, for stiffness, and a number of lamination layers covering both sides of the base layer.
  • a base layer e.g. of paper
  • lamination layers covering both sides of the base layer.
  • the lamination layers comprise one layer of oxygen-barrier material, e.g. an aluminum foil, and a number of layers of heat-seal plastic material covering both sides of the base layer and both sides of the layer of oxygen-barrier material.
  • packaging material 2 comprises one layer of heat-seal plastic material, one layer of oxygen-barrier material, another layer of heat-seal plastic material, the base layer, and one or more additional layers of heat-seal plastic material.
  • the letter M in Figure 6 indicates a basic unit of packaging material 2, by which to produce package 1, and which may be a precut blank, or a portion of a web of packaging material comprising a succession of basic units M.
  • basic unit M is folded on a known forming spindle (not shown), is filled with the food product, and is sealed at the top to form the final package.
  • the web of packaging material 2 comprising a succession of basic units M, is :
  • package 1 After completion of these operations, package 1 has:
  • bottom panel 10 is crossed by bottom transverse sealing band 18 and by an end portion 20a of longitudinal sealing band 20 extending perpendicularly from the bottom transverse sealing band 18.
  • top panel 14 is crossed by top transverse sealing band 19 and by an end portion 20b of longitudinal sealing band 20 extending perpendicularly from the top transverse sealing band 19 and opposite to end portion 20a; in greater detail, top transverse sealing band 19 divides top panel 14 into two zones 14a, 14b and end portion 20b of longitudinal sealing band 20 extends on one (14b) of such zones 14a, 14b from an intermediate portion of the top transverse sealing band 19.
  • top transverse sealing band 19 is folded on zone 14b and end portion 20b of longitudinal sealing band 20; in this way, zone 14a has a bigger area than zone 14b and is therefore more suitable for receiving removable portion 17 and opening device 16.
  • removable portion 17 has a circular profile and is designed to be at least partly detached in use from the rest of the packaging material by opening device 16 to free a pour opening through which to pour out the product.
  • Removable portion 17 is formed on packaging material 2 prior to folding and sealing the packaging material 2 itself to form the finished package.
  • removable portion 17 comprises a so-called “prelaminated” hole, i.e. a circular hole formed through the base layer only of packaging material 2 and covered, when the packaging material 2 itself is laminated, with the layers of heat-seal plastic material and oxygen-barrier material, which adhere to one another at the hole.
  • prelaminated hole i.e. a circular hole formed through the base layer only of packaging material 2 and covered, when the packaging material 2 itself is laminated, with the layers of heat-seal plastic material and oxygen-barrier material, which adhere to one another at the hole.
  • basic unit M of packaging material 2 has a rectangular configuration and is delimited by:
  • Basic unit M of packaging material 2 comprises a number of crease lines defining respective fold lines, along which the packaging material 2 itself is folded to form the finished package 1.
  • basic unit M comprises two transversal crease lines 25, 26 extending transversally with respect to longitudinal direction A and dividing the basic unit M itself into:
  • Transversal crease line 25 extends parallel to bottom boundary edge 23 and top boundary edge 24 and is arranged closer to bottom boundary edge 23 than transversal crease line 26. Transversal crease line 25 is configured to define bottom peripheral outline 8 of package 1.
  • transversal crease line 25 includes:
  • Transversal crease line 26 is arranged closer to top boundary edge 24 than transversal crease line 25 and is configured to define top peripheral outline 9 of package 1.
  • transversal crease line 26 has a broken-line shape with:
  • top side portions 26c converge towards top central portion 26a.
  • Basic unit M includes two further transversal crease lines 32, 33 extending parallel to direction B and placed near bottom boundary edge 23 and top boundary edge 24, respectively; transversal crease lines 32, 33 delimit with bottom boundary edge 23 and top boundary edge 24 respective bottom transversal sealing area 34 and top transversal sealing area 35 configured to define bottom transversal sealing band 18 and top transversal sealing band 19 of package 1.
  • Bottom crease pattern 28 is designed to produce bottom panel 10 and bottom lateral flaps 11 of package 1.
  • bottom crease pattern 28 includes, in a known manner, four longitudinal crease lines 36a, 36b parallel to longitudinal direction A and extending between transversal crease lines 25 and 32.
  • Longitudinal crease lines 36b are the most internal ones, whilst longitudinal crease lines 36a are located near opposite side boundary edges 22; the area between longitudinal crease lines 36b as well as the areas delimited by longitudinal crease lines 36a with the respective side boundary edges 22 are configured to define bottom panel 10 of package 1.
  • bottom crease pattern 28 further includes two additional crease lines 37, 38 inclined with respect to both longitudinal direction A and transversal direction B.
  • each pair of additional crease lines 37, 38 of each pair have one end in common located on transversal crease line 32 and opposite ends located at the intersection points between transversal crease line 25 and longitudinal crease lines 36a and 36b, respectively.
  • each pair of additional crease lines 37, 38 delimits a triangle 39 with the segment of transversal crease line 25 comprised between the additional crease lines 37, 38 themselves.
  • Each area between longitudinal crease lines 36a and 36b is configured to define one respective bottom lateral flap 11 of package 1.
  • Top crease pattern 30 is designed to produce top panel 14 and top lateral flaps 15 of package 1.
  • top crease pattern 30 includes four longitudinal crease lines 40a, 40b parallel to longitudinal direction A and extending between transversal crease lines 26 and 33.
  • Longitudinal crease lines 40b are the most internal ones, whilst longitudinal crease lines 40a are located near opposite side boundary edges 22; the area between longitudinal crease lines 40b as well as the areas delimited by longitudinal crease lines 40a with the respective side boundary edges 22 are configured to define top panel 14 of package 1.
  • Removable portion 17 is formed in the area of top region 29 comprised between longitudinal crease lines 40b.
  • top crease pattern 30 further includes two additional crease lines 41, 42 inclined with respect to both longitudinal direction A and transversal direction B.
  • the additional crease lines 41, 42 of each pair have one end in common located on transversal crease line 33 and opposite ends located at, or adjacent to, the opposite ends of the respective inclined top side portion 26c of transversal crease line 26.
  • each pair of additional crease lines 41, 42 delimits a triangle 43 with the respective top side portion 26c of transversal creased line 26.
  • Each area between longitudinal crease lines 40a and 40b is configured to define one respective top lateral flap 15 of package 1.
  • the length of top central portion 26a of transversal crease line 26 is different from the length of bottom central portion 25a of transversal crease line 25; in addition, the length of each of bottom side portions 25c of transversal crease line 25 is also different from the length of the projection R, parallel to longitudinal direction A, of each of top side portions 26c of transversal crease line 26 on a reference line S parallel to transversal crease line 25 and containing top central portion 26a.
  • top central portion 26a is smaller than the length of bottom central portion 25a; in a different manner, the length of each projection R is greater than the length of the corresponding bottom side portion 25c.
  • the length of bottom central portion 25a corresponds to the length of the segment of transversal crease line 32 comprised between longitudinal crease lines 36b; in a completely analogous manner, the length of top central portion 26a corresponds to the length of the segment of transversal crease line 33 comprised between longitudinal crease lines 40b.
  • bottom side portions 25c whose lengths correspond to the lengths of the respective segments of transversal crease line 32 comprised between each pair of longitudinal crease lines 36a and 36b.
  • the lengths of projections R correspond to the lengths of the respective segments of transversal crease line 33 comprised between each pair of longitudinal crease lines 40a and 40b.
  • top front segment Q1 and top rear segment Q2 of top quadrilateral Q corresponds to the length of top central portion 26a; in an analogous manner, the length of top side segments Q3 of top quadrilateral Q corresponds to the length of projections R.
  • intermediate region 31 includes a central transversal band 44 having a uniform structure, i.e. lacking any creasing or weakening, and crossing the areas of the intermediate region 31 itself designed to form the respective lateral edge zones 7 of side wall portions 6 of package 1.
  • intermediate region 31 of basic unit M further comprises a plurality of V-shaped crease lines 45 having respective vertices 46 located on or adjacent to the transversal crease lines 25, 26 and at given points thereof designed to define the opposite ends of respective lateral edge zones 7 delimiting the side wall portions 6 of package 1; each V-shaped crease line 45 extends from and in proximity of the respective transversal crease line 25, 26 up to central transversal band 44 and comprises two legs 47 diverging from the respective vertex 46.
  • each V-shaped crease line 45 extends from the respective transversal crease line 25, 26 towards the other transversal crease line 26, 25 and has a size, parallel to longitudinal direction A, greater than zero and smaller than one fourth, preferably smaller than one tenth, of the total height of intermediate region 31 measured parallel to the longitudinal direction A itself.
  • total height of intermediate region 31 corresponds to the total height of the package.
  • each V-shaped crease line 45 extending from transversal crease line 25 and the corresponding V-shaped crease line 45 extending from transversal crease line 26 are spaced apart parallel to longitudinal direction A.
  • each V-shaped crease line 45 has a size, parallel to longitudinal direction A, smaller than the maximum height of bottom region 27 or top region 29 measured parallel to the longitudinal direction A itself.
  • each leg of the V-shaped crease lines 45 has a length smaller than the maximum length of the heights of triangles 39, 43 with reference to their bases on respective transversal crease lines 25, 26.
  • each V-shaped crease line 45 has a size, parallel to longitudinal direction A, substantially equal to one fourteenth of the total height of intermediate region 31 measured parallel to the longitudinal direction A itself.
  • V-shaped crease lines 45 are the only crease lines present in intermediate region 31 at the areas designed to define lateral edge zones 7 between side wall portions 6 of package 1.
  • V-shaped crease lines 45 perform the function of easing folding of the packaging material 2 at the corners between lateral edge zones 7 of side wall portions 6 and bottom peripheral outline 8 and top peripheral outline 9 without affecting the round configuration of lateral edge zones 7.
  • legs 47 of each V-shaped crease line 45 are rectilinear or straight; as a possible alternative not shown, legs 47 of each V-shaped crease line 45 may also be curved, preferably with their concavities facing one another.
  • legs 47 of each V-shaped crease line 45 delimit an angle comprised between 45° and 90°.
  • Number 1' in Figure 7 indicates as a whole a different embodiment of a sealed package according to the present invention and obtained by a basic unit M' ( Figure 8 ) of sheet packaging material 2.
  • Package 1' being similar to package 1, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts; the same applies for basic units M' and M.
  • package 1' differs from package 1 only in that lateral edge zones 7 between side wall portions 6 are defined by respective longitudinal crease lines 50 extending between transversal crease lines 25 and 26.
  • Longitudinal crease lines 50 are slightly slanted with respect to longitudinal direction A due to the different lengths between bottom central portion 25a and top central portions 26a of transversal crease lines 25, 26 as well as between bottom side portions 25c of transversal crease line 25 and respective projections R on reference line S.
  • Number 1 in Figure 9 indicates as a whole a different embodiment of a sealed package according to the present invention and obtained by a basic unit M" ( Figure 10 ) of sheet packaging material 2.
  • Package 1 being similar to package 1, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts; the same applies for basic units M'' and M.
  • package 1" differs from package 1 only by having a top panel 14" that extends horizontally and parallel to bottom panel 10.
  • top panel 14'' is delimited by a top peripheral outline 9" (formed by edges 9a", 9b", 9c") parallel to bottom peripheral outline 8 and deriving by a transversal crease line 26" also parallel to transversal crease line 25 and to transversal direction B.
  • top panel 14" extends entirely on reference plane P and therefore the projection of top panel 14'' on this latter plane, i.e. top quadrilateral Q, coincides with the top panel 14'' itself.
  • Number 1′′′ in Figure 11 indicates as a whole a different embodiment of a sealed package according to the present invention and obtained by a basic unit M′′′ ( Figure 12 ) of sheet packaging material 2.
  • Package 1''' being similar to package 1", the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts; the same applies for basic units M''' and M'' .
  • package 1′′′ differs from package 1'' only in that lateral edge zones 7 between side wall portions 6 are defined by respective longitudinal crease lines 50 extending between transversal crease lines 25 and 26.
  • longitudinal crease lines 50 are slightly slanted with respect to longitudinal direction A due to the different lengths between bottom central portion 25a and top central portion 26a'' of transversal crease lines 25, 26" as well as between bottom side portions 25c and top side portion 26c" of the same transversal crease lines 25, 26".

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Claims (20)

  1. Versiegelte Packung (1, 1', 1", 1‴), die ein gießfähiges Nahrungsmittelprodukt enthält und einen unteren Abschnitt (3), einen oberen Abschnitt (4) und einen zwischen dem unteren Abschnitt (3) und dem oberen Abschnitt (4) liegenden Hauptabschnitt (5) umfasst und eine Vielzahl von Seitenwandabschnitten (6) aufweist,
    wobei der Hauptabschnitt (5) jeweils durch eine untere Umfangskontur (8) und eine obere Umfangskontur (9, 9"), die jeweils eine Endloskonfiguration haben und sich bezüglich einer Längsrichtung (A), entlang derer die Gesamthöhe der Packung (1, 1', 1", 1‴) definiert ist, quer erstrecken, von dem unteren Abschnitt (3) und dem oberen Abschnitt (4) abgeteilt ist,
    wobei die untere Umfangskontur (8) und die obere Umfangskontur (9, 9") jeweils strichlinienförmig sind und durch eine Vielzahl von miteinander verbundenen Konturkanten (8a, 8b, 8c; 9a, 9b, 9c; 9a", 9b", 9c") ausgebildet sind,
    wobei der untere Abschnitt (3) ein vierseitiges unteres Feld (10) umfasst, das von der unteren Umfangskontur (8) begrenzt wird, die ihrerseits durch eine untere Vorderkante (8a), eine parallel zu der unteren Vorderkante (8a) verlaufende untere Hinterkante (8b) und zwei untere Seitenkanten (8c) der Packung (1, 1', 1", 1‴) gebildet wird, die orthogonal zu der unteren Vorderkante (8a) und der unteren Hinterkante (8b) verlaufen, wobei sich das vierseitige untere Feld (10) orthogonal zu der Längsrichtung (A) erstreckt, und
    wobei der obere Abschnitt (4) ein vierseitiges oberes Feld (14, 14") umfasst, das von der oberen Umfangskontur (9, 9") begrenzt wird, die ihrerseits durch eine obere Vorderkante (9a, 9a"), die parallel zu der unteren Vorderkante (8a) und der unteren Hinterkante (8b) verläuft, eine parallel zu der oberen Vorderkante (9a, 9a") verlaufende obere Hinterkante (9b, 9b") und zwei obere Seitenkanten (9c, 9c") der Packung (1, 1', 1", 1‴) gebildet wird, die orthogonal zu der oberen Vorderkante (9a, 9a") und der oberen Hinterkante (9b, 9b") verlaufen, wobei sich das vierseitige obere Feld (14, 14")quer zu der Längsrichtung (A) erstreckt,
    dadurch gekennzeichnet, dass die Fläche des unteren Felds (10) von der Fläche eines oberen Vierecks (Q) verschieden ist, das durch Projizieren des oberen Felds (14, 14") entlang der Längsrichtung (A) auf eine Bezugsebene (P) erhalten wird, die parallel zu dem unteren Feld (10) verläuft, die Packung (1, 1', 1'', 1‴) kreuzt und mindestens eine (9a, 9a") der Konturkanten (9a, 9b, 9c; 9a", 9b", 9c") der oberen Umfangskontur (9, 9") enthält.
  2. Packung nach Anspruch 1, wobei die Bezugsebene (P) mindestens die obere Vorderkante (9a, 9a") der Konturkanten (9a, 9b, 9c; 9a", 9b", 9c") der oberen Umfangskontur (9, 9").
  3. Packung nach Anspruch 1 oder 2, wobei die Fläche des unteren Felds (10) kleiner als die Fläche des oberen Vierecks (Q) ist.
  4. Packung nach einem der vorhergehenden Ansprüche, wobei das obere Viereck (Q) ein oberes Vordersegment (Q1), das der unteren Vorderkante (8a) entspricht, ein oberes Hintersegment (Q2), das der unteren Hinterkante (8b) entspricht, und zwei obere Seitensegmente (Q3) aufweist, die jeweils den unteren Seitenkanten (8c) entsprechen.
  5. Packung nach Anspruch 4, wobei die unteren Seitenkanten (8c) dieselbe Länge haben und die oberen Seitensegmente (Q3) dieselbe Länge haben und wobei die Länge der unteren Seitenkanten (8c) von der Länge der oberen Seitensegmente (Q3) verschieden ist.
  6. Packung nach Anspruch 5, wobei die Länge der unteren Seitenkanten (8c) kleiner als die Länge der oberen Seitensegmente (Q3) ist.
  7. Packung nach einem der Ansprüche 4 bis 6, wobei die untere Vorderkante (8a) und die untere Hinterkante (8b) dieselbe Länge haben und das obere Vordersegment (Q1) und das oberen Hintersegment (Q1, Q2) dieselbe Länge haben und wobei die Länge der unteren Vorderkante (8a) und der unteren Hinterkante (8b) von der Länge des oberen Vordersegments (Q1) und des oberen Hintersegments (Q2) verschieden ist.
  8. Packung nach Anspruch 7, wobei die Länge der unteren Vorderkante (8a) und der unteren Hinterkante (8b) größer als die Länge des oberen Vordersegments (Q1) und des oberen Hintersegments (Q2) ist.
  9. Packung nach einem der vorhergehenden Ansprüche, wobei das obere Feld (14) bezüglich des unteren Felds (10), der Bezugsebene (P) und der Längsrichtung (A) geneigt ist.
  10. Packung nach einem der Ansprüche 1 bis 8, wobei das obere Feld (14") parallel zu dem unteren Feld (10) verläuft und wobei das obere Viereck (Q) mit dem oberen Feld (14") zusammenfällt.
  11. Packung nach einem der vorhergehenden Ansprüche, wobei jeder der Seitenwandabschnitte (6) von zwei abgerundeten seitlichen Kantenbereichen (7), die nach außen konvex sind, begrenzt ist.
  12. Packung nach einem der Ansprüche 1 bis 10, wobei jeder der Seitenwandabschnitte (6) von zwei geraden seitlichen Kantenbereichen (7) begrenzt ist.
  13. Folienverpackungsmaterial (M, M', M", M‴) zur Herstellung einer versiegelten Packung (1, 1', 1", 1‴), die ein gießfähiges Nahrungsmittelprodukt enthält, wobei das Verpackungsmaterial (M, M', M", M‴) eine rechteckige oder quadratische Konfiguration mit zwei Randkanten (22), die parallel zu einer Längsrichtung (A) verlaufen, und eine untere Randkante (23) und eine obere Randkante (24), die parallel zu einer Querrichtung (B) verlaufen, die orthogonal zu der Längsrichtung (A) verläuft, hat, wobei das Verpackungsmaterial (M, M', M'', M‴) mindestens eine untere Querknicklinie (25) und eine obere Querknicklinie (26, 26") umfasst, die sich quer zu der Längsrichtung (A) erstrecken und das Verpackungsmaterial (M, M', M", M‴) in Folgendes unterteilen:
    - einen unteren Bereich (27), der ein unteres Knicklinienmuster (28) enthält und zum Bilden eines unteren Abschnitts (3) der Packung (1, 1', 1", 1‴) ausgestaltet ist,
    - einen oberen Bereich (29), der ein oberes Knicklinienmuster (30) enthält und zum Bilden eines oberen Abschnitts (4) der Packung (1, 1', 1", 1‴) ausgestaltet ist, und
    - einen Zwischenbereich (31), der zwischen der unteren Querknicklinie (25) und der oberen Querknicklinie (26, 26") enthalten ist, zwischen dem unteren Bereich (27) und dem oberen Bereich (29) liegt und dazu ausgelegt ist, einen Hauptabschnitt (5) der Packung (1, 1', 1", 1‴) zu bilden, der eine Vielzahl von Seitenwandabschnitten (6) hat,
    wobei die untere Querknicklinie (25) und die obere Querknicklinie (26, 26") dazu ausgestaltet sind, eine untere Umfangskontur (8) und eine obere Umfangskontur (9, 9") der Packung (1, 1', 1", 1‴) zu definieren, die den unteren Abschnitt (3) und den oberen Abschnitt (4) jeweils von dem Hauptabschnitt (5) abteilen,
    wobei sich die untere Querknicklinie (25) parallel zu der Querrichtung (B) erstreckt und einen unteren mittleren Abschnitt (25a), der dazu ausgelegt ist, eine untere Vorderkante (8a) der Packung (1, 1', 1", 1‴) zu definieren, zwei untere Endabschnitte (25b), die an gegenüberliegenden Seiten des unteren mittleren Abschnitts (25a) und jeweiligen seitlichen Grenzkanten (22) benachbart angeordnet und dazu ausgestaltet sind, eine untere Hinterkante (8b) der Packung (1, 1', 1", 1‴) zu definieren, und zwei untere Seitenabschnitte (25c) aufweist, die sich an gegenüberliegenden Seiten des unteren mittleren Abschnitts (25a) zu den jeweiligen Endabschnitten (25b) erstrecken und dazu ausgelegt sind, jeweilige untere Seitenkanten (8c) der Packung (1, 1', 1", 1‴) zu definieren,
    wobei die obere Querknicklinie (26, 26") einen oberen mittleren Abschnitt (26a, 26a"), der dazu ausgelegt ist, eine obere Vorderkante (9a, 9a") der Packung (1, 1', 1", 1‴) zu definieren, zwei obere Endabschnitte (26b, 26b"), die parallel zu der Querrichtung (B) verlaufen und dazu ausgestaltet sind, eine obere Hinterkante (9b, 9b") der Packung (1, 1', 1", 1‴) zu definieren, und zwei obere Seitenabschnitte (26c, 26c") aufweist, die sich an gegenüberliegenden Seiten des oberen mittleren Abschnitts (26a, 26a") erstrecken und dazu ausgelegt sind, jeweilige obere Seitenkanten (9c, 9c") der Packung (1, 1', 1", 1‴) zu definieren, wobei jeder obere Seitenabschnitt (26c, 26c") den oberen mittleren Abschnitt (26a, 26") mit einem jeweiligen oberen Endabschnitt (26b, 26b") verbindet,
    wobei das untere Knicklinienmuster (28) dazu ausgestaltet ist, ein vierseitiges unteres Feld (10) der Packung (1, 1', 1", 1‴) zu definieren, das von der unteren Vorderkante (8a), der unteren Hinterkante (8b) und den beiden unteren Seitenkanten (8c) begrenzt ist,
    wobei die untere Hinterkante (8b) parallel zu der unteren Vorderkante (8a) verläuft und die beiden unteren Seitenkanten (8c) orthogonal zu der unteren Vorderkante (8a) und der unteren Hinterkante (8b) verlaufen,
    wobei das obere Knicklinienmuster (30) dazu ausgestaltet ist, ein vierseitiges oberes Feld (14, 14") der Packung (1, 1', 1", 1‴) zu definieren, das von der oberen Vorderkante (9a, 9a"), der oberen Hinterkante (9b, 9b") und den beiden oberen Seitenkanten (9c, 9c") begrenzt ist,
    wobei die obere Vorderkante (9a, 9a") parallel zu der unteren Vorderkante (8a) und der unteren Hinterkante (8b) verläuft, die obere Hinterkante (9b, 9b") parallel zu der oberen Vorderkante (9a, 9a") verläuft und die beiden oberen Seitenkanten (9c, 9c") orthogonal zu der oberen Vorderkante (9a, 9a") und der oberen Hinterkante (9b, 9b") verlaufen,
    dadurch gekennzeichnet, dass die Länge des oberen mittleren Abschnitts (26a, 26a") der oberen Querknicklinie (26, 26") von der Länge des unteren mittleren Abschnitts (25a) der unteren Querknicklinie (25) verschieden ist.
  14. Verpackungsmaterial nach Anspruch 13, wobei die Länge jedes der unteren Seitenabschnitte (25c) der unteren Querknicklinie (25) von der Länge der parallel zu der Längsrichtung (A) verlaufenden Projizierung (R) jedes der oberen Seitenabschnitte (26c, 26c") der oberen Querknicklinie (26, 26'') auf eine Bezugslinie (S) verschieden ist, die parallel zu der unteren Querknicklinie (25) verläuft und mindestens den oberen mittleren Abschnitt (26a, 26a") enthält.
  15. Verpackungsmaterial nach Anspruch 14, wobei die Länge jedes der unteren Seitenabschnitte (25c) kleiner als die Länge der entsprechenden Projizierung (R) ist.
  16. Verpackungsmaterial nach einem der Ansprüche 13 bis 15, wobei die Länge des unteren mittleren Abschnitts (25a) der unteren Querknicklinie (25) größer als die Länge des oberen mittleren Abschnitts (26, 26a") der oberen Querknicklinie (26, 26") ist.
  17. Verpackungsmaterial nach einem der Ansprüche 13 bis 16, wobei die oberen Seitenabschnitte (26c) der oberen Querknicklinie (26) bezüglich sowohl der Längsrichtung (A) als auch der Querrichtung (B) geneigt sind und zu dem oberen mittleren Abschnitt (26a) hin konvergieren.
  18. Verpackungsmaterial nach einem der Ansprüche 13 bis 16, wobei die obere Querknicklinie (26") parallel zu der unteren Querknicklinie (25) verläuft und mit der Bezugslinie (S) zusammenfällt, und wobei die Projizierungen (R) der oberen Seitenabschnitte (26c") auf die Bezugslinie (S) mit den oberen Seitenabschnitten (26c") zusammenfallen.
  19. Verpackungsmaterial nach einem der Ansprüche 13 bis 18, ferner umfassend eine Vielzahl von Längsknicklinien (50), die sich zwischen der unteren Querknicklinie (25) und der oberen Querknicklinie (26, 26") erstrecken und dazu ausgestaltet sind, jeweilige seitliche Kantenbereiche (7) der Seitenwandabschnitte (6) der Packung (1, 1', 1", 1‴) zu definieren.
  20. Verpackungsmaterial nach Anspruch 19, wobei die Längsknicklinien (50) bezüglich der Längsrichtung (A) leicht geneigt sind.
EP19169271.4A 2018-04-20 2019-04-15 Versiegelte packung für ein giessbares lebensmittelprodukt und folienverpackungsmaterial zur herstellung einer versiegelten packung für ein giessbares lebensmittelprodukt Active EP3556673B1 (de)

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EP23194824.1A Division-Into EP4279408A3 (de) 2018-04-20 2019-04-15 Versiegelte verpackung mit einem giessbaren lebensmittelprodukt und folienverpackungsmaterial zur herstellung einer versiegelten verpackung mit einem giessbaren lebensmittelprodukt

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US20210237925A1 (en) 2021-08-05
EP3556673C0 (de) 2023-10-11
JP7436384B2 (ja) 2024-02-21
BR112020018388A2 (pt) 2020-12-22
MX2024009642A (es) 2024-08-19
JP2024045472A (ja) 2024-04-02
JP2021522114A (ja) 2021-08-30
CN210761729U (zh) 2020-06-16
CN110386317A (zh) 2019-10-29
MX2020010758A (es) 2020-11-09
EP3556673A1 (de) 2019-10-23
EP4279408A3 (de) 2024-03-20

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