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EP3523210B1 - Procédé permettant de produire un flan pour un emballage, flan et emballage constitué d'un flan - Google Patents

Procédé permettant de produire un flan pour un emballage, flan et emballage constitué d'un flan Download PDF

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Publication number
EP3523210B1
EP3523210B1 EP17780391.3A EP17780391A EP3523210B1 EP 3523210 B1 EP3523210 B1 EP 3523210B1 EP 17780391 A EP17780391 A EP 17780391A EP 3523210 B1 EP3523210 B1 EP 3523210B1
Authority
EP
European Patent Office
Prior art keywords
base material
hygroscopic substance
blank
line
printing
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
EP17780391.3A
Other languages
German (de)
English (en)
Other versions
EP3523210A1 (fr
Inventor
Jürgen Kollmann
Harman VORENKAMP
Uwe Theis
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.)
Mayr Melnhof Karton AG
Original Assignee
Mayr Melnhof Karton AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mayr Melnhof Karton AG filed Critical Mayr Melnhof Karton AG
Publication of EP3523210A1 publication Critical patent/EP3523210A1/fr
Application granted granted Critical
Publication of EP3523210B1 publication Critical patent/EP3523210B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/002—Prebreaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
    • 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
    • B65D5/0254—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 closures formed by inward folding of flaps and securing them by means of a tongue integral with one of the flaps
    • 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
    • B65D5/4266—Folding lines, score lines, crease lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring

Definitions

  • the invention relates to a method for producing a blank for packaging, which comprises a cellulose-containing base material with at least one line from the group of folding, crease, cutting, creasing and/or bending lines.
  • the invention further relates to a blank for producing packaging, which comprises a cellulose-containing base material with at least one line from the group of folding, crease, cutting, creasing and/or bending lines, a method for producing packaging from such a blank, and a packaging produced from such a blank.
  • a wide variety of cellulose-based packaging which consists at least partially of paper, cardboard or paperboard, is known.
  • packaging is used for filling, transporting and storing different goods.
  • the goods can be, for example, cereals, cornflakes or other pourable and free-flowing foods.
  • Packaging for stick-shaped goods such as cigarettes, cigars and the like is also known.
  • Such packaging is produced using blanks that are provided with one or more lines from the group of folding, folding, cutting, creasing and/or bending lines and are then folded, folded, cut, grooved and/or bent along these lines. The definition of these lines is usually carried out using various techniques such as embossing, punching, embossing, debossing, creasing, laser cutting and the like.
  • document US 2013/184135 A1 describes a method for folding blanks made of corrugated cardboard for producing folding boxes, wherein the blanks are formed with grooves, notches, perforations or the like aligned at least approximately parallel to the course of the corrugations of the corrugated cardboard and optionally also at right angles thereto, along which they can be folded or bent.
  • a disadvantage is that the definition or production of such lines requires a relatively high level of equipment and is difficult to adapt to different base materials or packaging variants.
  • the object of the present invention is to provide a method for producing a blank for packaging, with which at least one line from the group of folding, crease, cutting, creasing and/or bending lines can be defined more flexibly on or in a cellulose-containing base material.
  • a further object of the invention is to provide a blank for producing packaging, which comprises a cellulose-containing base material with at least one line from the group of folding, crease, cutting, creasing and/or bending lines, wherein the at least one line can be defined more flexibly.
  • a further object of the invention is to provide a method for producing packaging from such a blank and a packaging produced from such a blank.
  • a first aspect of the invention relates to a method according to claim 1 for producing a blank for a packaging, which comprises a cellulose-containing base material with at least one line from the group of folding, creasing, cutting, scoring and/or Bending lines.
  • a more flexible and reliable definition of one or more lines on the cellulose-containing base material is achieved by applying at least one hygroscopic substance to the base material at least in sections, wherein at least one hygroscopic substance from the group of hygroscopic solids, gels and/or liquids is applied to the base material, wherein the blank is dried after the application of the at least one hygroscopic substance.
  • a cellulose-containing base material is understood to mean a material which consists at least predominantly, i.e. at least 51%, in particular at least 75% and preferably at least 90%, of cellulose, whereby in the context of the present invention percentages are generally to be understood as percentages by weight, unless otherwise stated.
  • the base material can in principle be uncoated or already have one or more layers on one side.
  • the base material can be coated or uncoated paper, coated or uncoated cardboard or coated or uncoated paperboard.
  • a typical property of hygroscopic substances is, for example, the absorption of moisture (water vapor) from the surrounding Atmosphere (air), provided that the relative humidity of the ambient atmosphere is > 1%, in particular > 20% and preferably between 35% and 100%.
  • the hygroscopic substance can moisten the base material in a targeted manner in the area of the line in question and thus soften or weaken it.
  • a targeted weakening of the base material limited to the defined line is therefore possible, whereby the base material can be bent, folded, separated and/or perforated more easily, so that packaging can be produced from such a cut more quickly and with greater process reliability.
  • the line(s) can be defined much more flexibly and adapted to different base materials and packaging types, since no complex mechanical processing of the base material is required to produce the line(s).
  • the amount of hygroscopic substance applied can be adapted to the layer thickness, absorbency or desired bending angle of the base material. The amount and type of substance applied can also influence the sorption isotherm and the hygroscopic point.
  • the blank is dried after the application of the at least one hygroscopic substance. This reliably prevents the hygroscopic substance from blocking or running and premature bending of the base material along the line, so that the blank can be easily stacked, rolled up, transported and stored before it is further processed into packaging.
  • a/an in the context of this disclosure should be read as an indefinite article, i.e., unless expressly stated otherwise, as both "only one” and "at least one".
  • a blank produced according to the invention may have only a single line defined in the manner described above.
  • a blank produced according to the invention may manufactured blank can have two or more lines that are defined in the manner described.
  • a blank manufactured according to the invention comprises one or more lines defined in the manner described and, in addition, one or more conventionally manufactured lines, for example embossed, folded, grooved, etc.
  • a line is defined in sections in the manner described above and is defined or produced conventionally in other sections.
  • the fact that at least one hygroscopic substance from the group of hygroscopic solids, gels and/or liquids is applied to the base material allows the hygroscopic substance to be optimally matched to the specific design of the base material and the packaging to be produced.
  • the aggregate states "solid” and "liquid” also refer to SATP conditions.
  • a gel is understood to mean disperse systems that consist of at least two components.
  • the solid component forms a sponge-like, three-dimensional network whose pores are filled with a liquid (lyogel) or a gas (xerogel, aerogel).
  • suitable substances include organic polymers, silica gel, zeolites, gelatin, glycerin and aqueous salt solutions, for example lithium chloride, lithium bromide, magnesium chloride, calcium chloride or sodium sulfate.
  • Solid and gel-like substances have the advantage over liquids that they do not run or only run very slowly after the base material has been coated, which in some cases can make subsequent processing steps easier. Conversely, liquids are very easy to apply and are particularly suitable for impregnating the base material in order to give it different properties along the line.
  • the hygroscopic substance used is preferably food-grade. It can also be provided that the hygroscopic substance is dissolved in a solvent or suspended or dispersed in a suspension or dispersion medium.
  • At least one inorganic or organic salt in particular an inorganic or organic salt free of water of crystallization, is used as the hygroscopic substance.
  • Particularly suitable inorganic salts are regenerable hygroscopic compounds with chloride, sulfate and/or phosphate ions such as NaCl, MgCl 2 (E 511), Na 2 SO 4 or K 2 HPO 4/ KH 2 PO 4 , which can be recovered, dried and reused after use.
  • the base material is connected to at least one other material to form a composite material, wherein the base material is preferably connected to the other material via an adhesion promoter.
  • Suitable additional materials include, for example, plastics such as acrylates, PE, PP, PVOH or PET, aluminum or other cellulose-containing materials such as paper, cardboard or paperboard.
  • the base material is preferably connected to the other material via an adhesion promoter. In other words, the base material and the other material are bonded to one another via the adhesion promoter in order to achieve a particularly reliable and highly resilient material composite.
  • the at least one hygroscopic substance is applied to the base material by at least one printing process, in particular from the group of contactless, direct and/or indirect printing processes, inkjet printing, flexographic printing, transfer printing, screen printing, offset printing, gravure printing, letterpress printing, planographic printing and digital printing, and/or by an application nozzle. is applied.
  • at least one printing process in particular from the group of contactless, direct and/or indirect printing processes, inkjet printing, flexographic printing, transfer printing, screen printing, offset printing, gravure printing, letterpress printing, planographic printing and digital printing, and/or by an application nozzle.
  • This allows a particularly precise and flexible definition of the line(s) in question.
  • non-contact printing processes allows a particularly quick and flexible definition of lines without mechanical deformation of the base material.
  • a deformation of the base material for example creasing or embossing, can be carried out at the same time.
  • the base material can also be cut or separated at the same time as the application.
  • the base material is impregnated with the hygroscopic substance at least in sections and/or when the at least one hygroscopic substance is applied to the base material in an amount between 1.0*10 -12 g/cm 2 and 5.0 g/cm 2.
  • Impregnation is understood to mean a soaking treatment of the base material with the hygroscopic substance. This allows the base material to be given modified material and usage properties in the area of the line in question.
  • the at least one hygroscopic substance is applied to the base material in an amount between 1.0*10 -12 g/cm 2 and 5.0 g/cm 2 , it may be sufficient in some embodiments to apply the hygroscopic substance in pico-, nano-, micro-, milli- or centigram amounts as well as in amounts of 0.1 g, 0.2 g, 0.3 g, 0.4 g, 0.5 g, 0.6 g, 0.7 g, 0.8 g, 0.9 g, 1.0 g, 1.1 g, 1.2 g, 1.3 g, 1.4 g, 1.5 g, 1.6 g, 1.7 g, 1.8 g, 1.9 g, 2.0 g, 2.1 g, 2.2 g, 2.3 g, 2.4 g, 2.5 g, 2.6 g, 2.7 g, 2.8 g, 2.9 g, 3.0 g, 3.1 g, 3.2 g, 3.3 g, 3.4 g,
  • Inkjet printing is used to apply the hygroscopic substance picoliter by picoliter to the base material.
  • 1 ml of the hygroscopic substance or 1 ml of a solution/suspension/dispersion of a hygroscopic substance is sufficient to define one or more lines with a total length of more than 300 m.
  • the amount of moisture that can be introduced into the base material can be increased with an increasing amount of hygroscopic substance per area.
  • the at least one hygroscopic substance is applied to the base material with a width of between 0.1 mm and 50 mm, for example with a width of 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 28 mm, 29 mm, 30
  • the at least one hygroscopic substance is applied to the base material in such a way that at least one continuous or broken line and/or several lines arranged next to one another and/or at least one straight or curved line and/or a cutting line and at least one further line are defined.
  • This allows the line in question to be optimally adapted to the work step intended for the production of a package, for example to a folding, bending, cutting or separating step. It is also possible to define a bending or embossing line and a cutting line without any gaps between them, which can reliably prevent the formation of broken or warped edges.
  • the hygroscopic substance is applied to a back of the base material and/or only in areas of the base material that are formed and/or separated during the production of a packaging from the blank. This ensures that areas of the base material adjacent to the line(s) in question are not affected.
  • the base material thus retains its mechanical and optical properties, particularly on its front side or in later wall areas.
  • the hygroscopic substance is/are applied via mechanical deformation in the base material. This allows a corresponding line to be defined very precisely despite an existing embossing or other mechanical deformation in the base material.
  • a second aspect of the invention relates to a blank according to claim 9 for producing a packaging, which comprises a cellulose-containing base material with at least one line from the group of folding, crease, cutting, creasing and/or bending lines.
  • the at least one line is defined at least in sections by at least one hygroscopic substance applied to the base material, wherein the at least one hygroscopic substance is from the group of hygroscopic solids, gels and/or liquids and wherein the blank is dried after the application of the at least one hygroscopic substance.
  • the line(s) defined according to the invention, a targeted material weakening of the base material is made possible, which allows easier bending, folding, separation and/or perforation of the base material, so that packaging can be produced from such a blank more quickly and with greater process reliability.
  • the line(s) can be defined much more flexibly and adapted to different base materials and packaging types, since no complex mechanical processing of the base material is required to produce the line(s).
  • the amount of hygroscopic substance applied can be adapted to the layer thickness, absorbency or desired bending angle of the base material.
  • the at least one line is defined between at least two elements from the group of adhesive flap, rear wall element, side wall element, front wall element, cover wall element, base wall element, insert flap, cover flap, dust flap and base flap.
  • a third aspect of the invention relates to a method for producing a package from a blank which is produced by a method according to the first aspect of the invention and/or designed according to the second aspect of the invention, in which the at least one line which is defined at least in sections by the hygroscopic substance applied to the base material is folded and/or cut and/or grooved and/or bent.
  • the hygroscopic substance is moistened before the folding, folding, cutting, creasing and/or bending step.
  • moisture is transported via the hygroscopic substance in the area of the relevant line to or into the cellulose-containing base material, which makes it easier to bend, fold, creasing or separate along the line.
  • the blank or the hygroscopic substance was dried before processing into packaging in order to improve the storage, stacking and transportability of the blank.
  • the packaging can on the one hand be further processed or filled without this substance in order to avoid contamination of the goods to be packaged, and on the other hand the hygroscopic substance can be collected, regenerated if necessary and used for a further process run, thereby achieving corresponding ecological and economic advantages.
  • a fourth aspect of the invention relates to packaging for storing goods, in particular cereals and/or stick-shaped goods such as cigarettes and the like, wherein the packaging according to the invention is at least partially made from a blank which is produced by a method according to the first aspect of the invention and/or designed according to the second aspect of the invention, and/or is obtainable and/or obtained by means of a method according to the third aspect of the invention.
  • the resulting features and their advantages can be found in the descriptions of the first, second and third aspects of the invention, wherein advantageous embodiments of the first, second and third aspects of the invention are to be regarded as advantageous embodiments of the fourth aspect of the invention and vice versa.
  • FIG 1 shows a schematic representation of a packaging 10 according to the invention, which is used in particular for the storage and transport of pourable, powdered and free-flowing foods, for example cereals.
  • the packaging 10 consists of cardboard and has a front wall 12 and a rear wall 14, which each have three side walls 22, 22', 22", 24, 24', 24" (see also Figures 2 and 3 ) are connected.
  • the side walls 22, 22', 22", 24, 24', 24" form the end faces 16, 18 of the packaging 10.
  • the packaging 10 is designed in the form of a prismatic body along a longitudinal axis L and has an octagonal base area 38.
  • the packaging 10 also has a base construction 20, which has a base flap 26, 28 hinged to the front and rear walls 12, 14 for closing the packaging 10 at the bottom (see also Figure 3 ). Furthermore, the packaging 10 has a lid construction 30, wherein the lid construction 30 comprises a lid flap 32, 34 hinged to the front and rear walls 12, 14 for closing the lid of the packaging 10. In addition, in the embodiment shown, both the base construction 20 and the lid construction 30 each have a dust flap 36 hinged to the base and lid ends of the front side walls 22, 24 (see also Figure 3 ). It can be seen that the dust flaps 36 are hinged to the middle of the three side walls 22, 24 forming the front sides 16, 18.
  • the dust flaps 36 each comprise a first section 40, wherein the first section 40 is hinged to the corresponding front side wall 22, 24.
  • a second section 42 adjoins the first section 40, wherein lateral locking lugs 44 are arranged in the transition area between the first section 40 and the second section 42.
  • the locking lugs 44 are designed in such a way that they are in a Closed position of the dust flap 36 (see also Figure 2 ) can lock into the recesses 46 formed in the base and cover tabs 26, 28, 32, 34.
  • the recesses 46 are each formed in the transition area between the front and rear wall 12, 14 and the corresponding base and cover tabs 26, 28, 32, 34.
  • FIG 2 shows the packaging 10 with a closed position of the dust flaps 36 of the lid construction 30.
  • the dust flaps 36 are designed such that in the closed position they rest on the side walls 22', 22", 24', 24".
  • the dust flap 36 is not hinged to the side walls 22', 22", 24', 24".
  • the dust flaps 36 protrude beyond the side walls 22', 22", 24', 24" mentioned and thus cover the area of the base area 38 of the packaging 10 designed as a prismatic body formed by the side walls 22, 22', 22", 24, 24', 24” arranged on the front side. This ensures, on the one hand, a secure closure or a secure covering of this area of the packaging 10.
  • the load stability of the packaging 10 increases significantly in this area.
  • the dust flaps 36 of the base construction 20 are designed identically.
  • the second section 42 of the dust flaps 36 is designed in such a way that it rests against the inner sides of the front and rear walls 12, 14 when the dust flaps 36 are in the closed position. This support of the inner sides of the front and rear walls 12, 14 results in a significant increase in the dimensional stability of the packaging 10.
  • FIG 3 shows a schematic representation of a blank 48 of the packaging 10 according to Figure 1 .
  • the blank 48 comprises front wall, rear wall and side wall elements 12, 14, 22, 22', 22", 24, 24', 24" connected by lines 50, 52, 54, 56, 60, 62, 64, which are designed as bending lines, to form the packaging 10 as a prismatic shaped body in the folded state of the blank 48 (see Figures 1 and 2 ).
  • the blank 48 has two cover and base flaps 32, 34, 26, 28 hinged to the front and rear wall elements 12, 14.
  • a dust flap 36 is hinged to the respective ends of the side walls 22, 24 via bending lines 68, 72, 76, 80.
  • the cover and base flaps 32, 34, 26, 28 are connected to the corresponding front and rear wall elements 12, 14 via corresponding bending lines 66, 70, 74, 78.
  • the blank 48 has an adhesive flap 58 which is connected to the rear wall element 14 via a bending line 82.
  • a recess 46 is formed in the transition area between the front and rear wall elements 12, 14 and the corresponding base and cover tabs 26, 28, 32, 34.
  • the dust flap 36 is designed in such a way that, in the folded state of the blank 48 and in a closed position, it rests on the side wall elements 22', 22", 24', 24", to which it is not hinged (see also Figure 2 ). In particular, the dust flap 36 protrudes beyond the side wall elements 22', 22", 24', 24" on which it rests when the blank 48 is folded and in a closed position. It can be seen that the dust flaps 36 each consist of a first section 40 and an adjoining second section 42. The first section 40 is hinged to the corresponding ends of the side wall elements 22, 24.
  • first section 40 is designed in such a way that when the blank 48 is folded and the dust flap 36 is closed, it covers the area formed by the front-side
  • the second section 42 is designed such that it rests against the inner sides of the front and rear wall elements 12, 14 when the blank 48 is folded and the dust flap 36 is in the closed position. It can also be seen that in the transition between the first section 40 and the second section 42, a locking lug 44 is formed on each side in the dust flap 36.
  • the first section 40 is approximately trapezoidal in shape
  • the second section 42 is rectangular.
  • the lines 50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80 and 82 are each defined by a hygroscopic substance, for example MgCl 2 , applied to the back of the blank 48 in order to ensure better bendability and foldability of the cardboard. So-called debossing or embossing as well as additional mechanical processing of the lines 50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80 and 82 are therefore not required and can in principle be omitted.
  • a hygroscopic substance for example MgCl 2
  • the application of one or more hygroscopic substances to the surface of the cardboard can be carried out, if required, by transfer, printing, spraying via nozzles or mechanical and/or digital transfer, whereby the cardboard or blank 48 can also be impregnated if required.
  • the moisture absorption or the transfer of the moisture into the carton can only take place shortly before the packaging 10 is manufactured by applying water to the hygroscopic substance and/or by setting the humidity of the ambient air to a sufficiently high value so that the hygroscopic substance can absorb the desired amount of moisture. This can be done, for example, in an air-conditioned room.
  • FIG. 4 shows a schematic representation of a blank 48 according to the invention according to a further embodiment.
  • the blank 48 comprises a side wall 24, which is connected to two dust tabs 36 via lines 50 designed as bending lines.
  • the side wall is connected to a rear wall 12 via a further line 50.
  • the rear wall 12 is in turn connected via a line 50 to a base tab 26, which is connected to a plug-in tab 90 via a further line 50 and two lines 92 designed as cutting lines. Between the base tab and the laterally adjacent dust tabs 36 there are lines 92 designed as cutting lines.
  • the rear wall 12 is also connected to a side wall 22 via a bending line 50, which in turn is connected to two dust tabs 36 via lines 50.
  • the side wall 22 is connected to a front wall 14 via a further bending line 50, which is connected to an adhesive tab 58 via a line 50. Furthermore, the front wall 14 is connected to a cover flap 32 via a line 50. The cover flap 32 is connected to the dust flap 36 via a cutting line 92 and to a plug-in flap 90 via two cutting lines 92 and a bending line 50.
  • the dashed bending lines 50 are again defined exclusively by applying a hygroscopic substance such as MgCl 2 , while the cutting lines 92 are punched. Alternatively, it can also be provided that the cutting lines 92 are also defined by applying a hygroscopic substance in order to facilitate separation of the blank 48 in these sections.
  • the embodiments of the packaging 10 or the blanks 48 described in the previous figures serve to illustrate the basic principle of the present invention.
  • a large number of differently designed packaging 10 and blanks 48 are conceivable.
  • the base surfaces 38 of the packaging 10 designed as a prismatic body can be designed not only octagonal but also triangular, quadrangular, pentagonal, hexagonal, ten-sided or twelve-sided.
  • other shapes are also possible.
  • the previously described packages 10 are designed as folding boxes. Like the associated blanks 48, they consist in particular of cardboard, paper or comparable cellulose-containing materials. In principle, however, composite materials made of a cellulose-containing base material and one or more other materials can also be provided, for example paper + PET, cardboard + PET, aluminum + cardboard, PE + aluminum + cardboard, PVOH + cardboard, etc. with or without an adhesion promoter between the individual layers.
  • a hygroscopic substance is preferably applied to one side of a paper, cardboard and/or paperboard layer that is later to form an inside of the package 10. Furthermore, it can be provided that the hygroscopic substance is removed from or from the corresponding packaging 10 after folding the blank 48 or after completion of the latter and, if necessary, regenerated and reused.
  • Fig.5 shows a schematic diagram with examples of differently designed lines, which are all provided with the reference number 50 for the sake of simplicity. It should be emphasized, however, that the lines 50 can basically be defined the same or differently. For example, several lines 50 can be defined by applying different hygroscopic substances or substance mixtures. Furthermore, several lines 50 can fulfill different functions when producing a packaging 10 from a correspondingly equipped blank 48 and can be designed or used independently of one another as folding, folding, cutting, creasing and/or bending lines.
  • lines 50 can be defined next to each other by applying water and/or a hygroscopic substance, for example, in order to To enable folds with larger radii. Even curved, flat, bent, interrupted and generally complex-shaped lines 50 can be defined quickly, easily and flexibly by applying a hygroscopic substance, without any further mechanical processing steps of the base material being necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Making Paper Articles (AREA)
  • Buffer Packaging (AREA)

Claims (14)

  1. Procédé de fabrication d'une découpe (48) pour un emballage (10), laquelle découpe comprenant un matériau de base contenant de la cellulose avec au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) du groupe constitué de lignes de pliage, de pliure, de découpe, de rainage et/ou de flexion,
    caractérisé en ce que
    la au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) est définie, au moins dans certaines zones, en appliquant au moins une substance hygroscopique sur le matériau de base, dans lequel au moins une substance hygroscopique du groupe constitué de solides, de gels et/ou de liquides hygroscopiques est appliquée sur le matériau de base et dans lequel la découpe (48) est séchée après l'application de la au moins une substance hygroscopique.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    au moins un sel inorganique ou organique, en particulier un sel inorganique ou organique anhydre, est utilisé comme substance hygroscopique.
  3. Procédé selon l'une des revendications 1 ou 2,
    caractérisé en ce que
    le matériau de base est lié à au moins un matériau supplémentaire pour former un matériau composite, dans lequel le matériau de base est de préférence lié au matériau supplémentaire par l'intermédiaire d'un agent adhésif.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que
    la au moins une substance hygroscopique est appliquée sur le matériau de base par au moins un procédé d'impression, en particulier du groupe constitué de procédés d'impression directs et/ou indirects sans contact, d'une impression par jet d'encre, d'une impression flexographique, d'une impression par transfert, d'une impression en sérigraphie, d'une impression offset, d'une impression en héliogravure, d'une impression en relief, d'une impression à plat et d'une impression numérique, et/ou par l'intermédiaire d'une buse d'application.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le matériau de base est imprégné, au moins dans certaines zones, de la substance hygroscopique et/ou en ce que la au moins une substance hygroscopique est appliquée sur le matériau de base en une quantité comprise entre 1,0*10-12 g/cm2 et 5,0 g/cm2 et /ou avec une largeur comprise entre 0,1 mm et 50 mm.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce que
    plusieurs lignes (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) sont définies en appliquant la au moins une substance hygroscopique sur le matériau de base au moins dans certaines zones.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce que
    la au moins une substance hygroscopique est appliquée sur le matériau de base de telle sorte qu'au moins une ligne continue ou interrompue (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) et/ou plusieurs lignes disposées les unes à côté des autres (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) et/ou au moins une ligne droite ou courbe (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) et/ou une ligne de coupe et au moins une ligne supplémentaire (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) sont définies.
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé en ce que
    la substance hygroscopique est appliquée sur un côté arrière du matériau de base et/ou par une déformation mécanique dans le matériau de base et/ou uniquement dans des zones du matériau de base qui sont mises en forme et/ou séparées de la découpe (48) lors de la fabrication d'un emballage (10).
  9. Découpe (48) pour la fabrication d'un emballage (10), comprenant un matériau de base contenant de la cellulose avec au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) du groupe constitué de lignes de pliage, de pliure, de découpe, de rainage et/ou de flexion,
    caractérisée en ce que
    la au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) est définie, au moins dans certaines zones, par au moins une substance hygroscopique appliquée sur le matériau de base, dans laquelle la substance hygroscopique est issue du groupe constitué de solides, de gels et/ou de liquides hygroscopiques et dans laquelle la découpe (48) est séchée après l'application de la au moins une substance hygroscopique.
  10. Découpe (48) selon la revendication 9,
    caractérisée en ce que
    la au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92) est définie entre au moins deux éléments du groupe constitué d'une languette adhésive (58), d'un élément de paroi arrière (14), d'un élément de paroi latérale (22), d'un élément de paroi avant (12), d'un élément de paroi de couvercle, d'un élément de paroi de fond, d'une languette d'insertion (90), d'une languette de couvercle (32), d'une languette anti-poussière (36) et d'une languette de fond (26).
  11. Procédé de fabrication d'un emballage (10) à partir d'une découpe (48) qui est fabriquée par un procédé selon l'une des revendications 1 à 8 et/ou formée selon la revendication 9 ou 10, dans lequel la au moins une ligne (50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 92), qui est définie, au moins dans certaines zones, par la substance hygroscopique appliquée sur le matériau de base, est pliée et/ou découpée et/ou rainée et/ou fléchie.
  12. Procédé selon la revendication 11,
    caractérisé en ce que
    la substance hygroscopique est humidifiée avant l'étape de pliage, de pliure, de découpe, de rainage et/ou de flexion, dans lequel la substance hygroscopique est humidifiée, de préférence en ajustant l'humidité de l'air ambiant et/ou en appliquant de l'eau.
  13. Procédé selon la revendication 11 ou 12,
    caractérisé en ce que
    la substance hygroscopique est enlevée, au moins en majeure partie, du matériau de base après l'étape de pliage, de pliure, de découpe, de rainage et/ou de flexion.
  14. Emballage (10) pour le stockage de marchandises, en particulier de céréales et/ou de produits en forme de tiges tels que des cigarettes et analogues,
    caractérisé en ce que
    cet emballage est au moins en partie constitué d'une découpe (48) qui est fabriquée par un procédé selon l'une des revendications 1 à 8 et/ou est formée selon la revendication 9 ou 10, et/ou peut être obtenue et/ou est obtenue au moyen d'un procédé selon l'une des revendications 11 à 13.
EP17780391.3A 2016-10-05 2017-10-05 Procédé permettant de produire un flan pour un emballage, flan et emballage constitué d'un flan Active EP3523210B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016118895.6A DE102016118895A1 (de) 2016-10-05 2016-10-05 Verfahren zum Herstellen eines Zuschnitts für eine Verpackung, Zuschnitt und Verpackung aus einem Zuschnitt
PCT/EP2017/075329 WO2018065512A1 (fr) 2016-10-05 2017-10-05 Procédé permettant de produire un flan pour un emballage, flan et emballage constitué d'un flan

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EP3523210B1 true EP3523210B1 (fr) 2024-09-11

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EP (1) EP3523210B1 (fr)
JP (1) JP2019529181A (fr)
KR (1) KR102482792B1 (fr)
CN (1) CN110088005B (fr)
BR (1) BR112019006114A2 (fr)
CA (1) CA3039048A1 (fr)
DE (1) DE102016118895A1 (fr)
JO (1) JOP20190059A1 (fr)
MX (1) MX2019003928A (fr)
MY (1) MY195409A (fr)
PH (1) PH12019500739A1 (fr)
PL (1) PL3523210T3 (fr)
RU (1) RU2019113141A (fr)
SG (1) SG11201902912TA (fr)
UA (1) UA125651C2 (fr)
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ZA (1) ZA201901930B (fr)

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DE102023125343A1 (de) * 2023-09-19 2025-03-20 Syntegon Technology Gmbh Verfahren und Vorrichtung zum Fügen oder Umformen eines faserbasierten Packmaterials sowie Verpackungsmaschine zur Herstellung einer Verpackung

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PH12019500739A1 (en) 2019-07-24
CN110088005A (zh) 2019-08-02
MX2019003928A (es) 2019-06-10
CA3039048A1 (fr) 2018-04-12
SG11201902912TA (en) 2019-05-30
US20210114765A1 (en) 2021-04-22
BR112019006114A2 (pt) 2019-06-18
ZA201901930B (en) 2019-11-27
JP2019529181A (ja) 2019-10-17
EP3523210A1 (fr) 2019-08-14
WO2018065512A1 (fr) 2018-04-12
KR102482792B1 (ko) 2022-12-29
KR20190085511A (ko) 2019-07-18
PL3523210T3 (pl) 2025-02-24
JOP20190059A1 (ar) 2019-03-25
UA125651C2 (uk) 2022-05-11
MY195409A (en) 2023-01-19
CN110088005B (zh) 2021-12-24
DE102016118895A1 (de) 2018-04-05
RU2019113141A (ru) 2020-11-06
RU2019113141A3 (fr) 2020-11-06

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