EP2984001B1 - Systeme de conditionnement avec barquette d'emballage en carton - Google Patents

Systeme de conditionnement avec barquette d'emballage en carton Download PDF

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Publication number
EP2984001B1
EP2984001B1 EP14711156.1A EP14711156A EP2984001B1 EP 2984001 B1 EP2984001 B1 EP 2984001B1 EP 14711156 A EP14711156 A EP 14711156A EP 2984001 B1 EP2984001 B1 EP 2984001B1
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EP
European Patent Office
Prior art keywords
insert
packaging system
packaging
layer
corrugated board
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
EP14711156.1A
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German (de)
English (en)
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EP2984001A1 (fr
Inventor
Roman BAUERNFEIND
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Roba Group AG
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Roba Group AG
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Publication date
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Priority to PL14711156T priority Critical patent/PL2984001T3/pl
Publication of EP2984001A1 publication Critical patent/EP2984001A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • 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
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/20—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • 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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/60—Loose, or loosely attached, linings
    • B65D5/603—Flexible linings loosely glued to the wall 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/76—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for cheese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0024—Making boxes having all side walls attached to the bottom
    • 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
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
    • B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
    • B31B2120/404—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box using vacuum or pressure means to force the liner against the wall

Definitions

  • the present invention relates to a packaging system comprising a packaging tray and a separate packaging element for closing the tray, wherein the packaging tray has an outer, folded or molded cardboard structure of corrugated cardboard with a liner of a single or multilayer plastic film, wherein the inside of each side wall of the Cardboard structure in each case only in its upper portion, preferably at most up to the respective upper edge of the side wall, is integrally connected to the insert, the insert with the respective remaining lower portion of the inside of each side wall to the bottom of the packaging tray forms a substantially same shape but loose contact surface and at least one, preferably a plurality of degassing openings arranged at regular intervals around the cardboard structure, at least in the bottom region.
  • packaging systems which are particularly suitable for the packaging of food, in particular of fresh or cooked meat, poultry or fish, meat products such as ham or sausage or non-food products presents a particular challenge.
  • the packaging systems need not just one provide hygienic protection of the product during transport and storage, but also allow for a customer-friendly presentation of the products so that, for example, the product can be inspected by the customer.
  • the products are used in the packaging systems, consisting preferably of a trough and a lid, preferably packaged under a protective gas atmosphere in order to minimize the oxygen content in the packaging.
  • the known packaging systems include i.a. a mold made of plastic, which is usually not made from renewable raw materials. Further disadvantages may be high carbon dioxide emissions and a high water consumption in the production as well as high costs for disposal. This also applies to packaging systems in which the packaging tray consists of a full-surface laminated with a plastic film carton whose laminated surface faces the contents.
  • the object of the present invention was therefore to provide a packaging system which does not have the disadvantages of the packaging systems of the prior art, ie in particular a packaging system which offers an improved insulation effect for the protection of the contents or the consumer during handling, wherein FR 2 933 329 A1 discloses a packaging system according to the preamble of claim 1.
  • the packaging system should as far as possible be based on renewable raw materials, which are preferably at least recyclable.
  • this object is achieved by providing a packaging system comprising a packaging tray and a packaging element separate from the packaging material for closing the tray (the closure element) of claim 1 and characterized in that the packaging tray having an outer, folded or molded cardboard structure made of corrugated cardboard with an insert of a single or multi-layered, thermoformed plastic film, wherein the inside of each side wall of the cardboard structure in each case only in an upper portion, preferably at most up to the upper edge of the respective side wall, fully the insert is adhesively bonded by heat-sealing or pressing, the insert with the respective remaining lower portion of the inside of each side wall to and above the bottom of the packaging tray substantially, a shape-same, but loose contact surface forms and only the carton structure at least in the bottom region at least one, preferably has a plurality of arranged in regular sections degassing.
  • the packaging tray of the packaging system according to the invention is based on a cardboard structure made of corrugated cardboard.
  • Corrugated board has a high stability in comparison to solid board despite low weight.
  • the insulation effect of packaging systems based substantially on corrugated board is improved due to the air contained within the corrugated structure, so that they have a comparatively high insulation effect against cold and heat. This improves the protection of the contents, in particular its freshness and durability.
  • the good insulating effect of the invention has an effect Packaging systems advantageous in terms of handling that the consumer is protected from burns.
  • the packaging systems according to the invention consist at least partially of a corrugated board made of renewable raw materials, less oil reserves are consumed.
  • the plastic content of a packaging tray according to the invention compared to the troughs of conventional plastic can be reduced by up to 70%.
  • the cardboard structure of corrugated board and the insert of the trough of the invention can also be easily separated from each other, which facilitates disposal. This is not possible when using cardboard laminated with plastic films.
  • the corrugated cardboard based on renewable raw materials can be recycled.
  • the packaging tray according to the invention has an outer, folded or shaped cardboard structure made of corrugated cardboard.
  • the opening of the trough-shaped corrugated cardboard structure may be polygonal, preferably triangular, rectangular, square or round.
  • the side walls of the cardboard structure made of corrugated cardboard can usually taper more or less to the ground, whereby the packaging tray according to the invention is better stackable.
  • the shape of the insert substantially corresponds to that of the corrugated cardboard structure and is preferably also trough-shaped.
  • the cardboard structure of corrugated cardboard preferably has a height of 1.5 cm to 10 cm, more preferably 2 cm to 8 cm.
  • the width and length of a rectangular cardboard structure may preferably be 3 cm to 30 cm, more preferably 10 cm to 20 cm.
  • the volume of the cardboard structure is preferably 20 to 1500 cm 3 , more preferably 100 to 1000 cm 3 , particularly preferably 500 to 800 cm 3 .
  • the corrugated paperboard structure is trough-shaped, the area of the bottom being greater than the area of each individual sidewall.
  • the side walls preferably taper towards the ground.
  • the cardboard structures are punched out of a corrugated cardboard sheet or a corrugated cardboard sheet with the aid of a punching tool.
  • the corrugated board is preferably formed by erecting (folding) or mechanically deforming, preferably under the action of moisture and / or heat.
  • mechanical deformation preferably denotes the deformation after heating and humidifying a corrugated cardboard web or a corrugated cardboard sheet under mechanical action, preferably with the aid of a molding tool.
  • mechanical deformation preferably comprises the pressure forming or bending deformation.
  • the corrugated cardboard structure is produced by erecting (folding), it should preferably have at least a height of 2 cm. If the cardboard structure a Height of ⁇ 2 cm, the paperboard structure is preferably produced by mechanical deformation.
  • the carton structure as in FIG WO 2011/134590 and WO 2011/134591 described, be prepared by folding and optionally subsequent material bond, for example by gluing a corrugated cardboard blank. After folding, the corrugated cardboard structure can also be fixed in its folded structure by form and / or adhesion.
  • the corrugated cardboard structure is made of a flat corrugated cardboard blank, in which the side walls are folded up and glued together. The side walls are preferably not perpendicular to the ground, but are arranged so that the cross section of the corrugated cardboard structure tapers from top to bottom.
  • the paperboard structure is formed from corrugated board by folding (erecting), wherein preferably by means of tab bonding, preferably by means of a dispersion adhesive, the structure is fixed.
  • folding erecting
  • tab bonding preferably by means of a dispersion adhesive
  • the corrugated cardboard is mechanically shaped under the action of moisture and / or heat to produce the cardboard structure.
  • the cardboard structure is made of corrugated cardboard.
  • Corrugated board or webs of corrugated cardboard are well known in the art and include several layers, ie at least two outer layers, which are separated by a wave path, corresponding to a single-walled corrugated board.
  • a corrugated board can also be multi-waved, with two corrugated webs through an intermediate layer are separated from each other.
  • up to three corrugated webs can be present separately from each other by intermediate layers, so that such a corrugated cardboard of three corrugations consists of seven layers, namely two outer layers, three corrugated webs and two intermediate layers.
  • the individual layers of corrugated cardboard are glued together.
  • Corrugated board can be adapted to different uses.
  • the properties of the corrugated board are essentially determined by the type of paper used and its basis weight, by the type of shaft and / or their number.
  • single-shaft and double-shaft corrugated boards are preferred, single-wall corrugated boards are particularly preferred.
  • Each of the outer layers, the wave path or each of the wave paths and each intermediate layer may consist of the same or different types of paper. According to the invention, they preferably consist of different types of paper.
  • a corrugated board is preferably used whose paper webs preferably have a weight per unit area of 50 to 150 g / m 2 , preferably of 65 to 135 g / m 2 , more preferably of 75 to 125 g / m 2 .
  • corrugated board is divided into corrugated board with fine wave (F and G) to coarse wave (A), depending on the wave size.
  • a corrugated board with fine wave (F and G), or with a microwave (E) or combinations thereof, particularly preferably a corrugated board with fine wave (F and G) is preferably used.
  • the cardboard structure of the packaging tray according to the invention therefore preferably consists of a single-walled corrugated cardboard, preferably with a shaft of size G, F or E.
  • corrugated board comprises multiple wave paths, i.
  • the individual wave paths may also have different wave profiles.
  • the corrugated cardboard structure of the packaging tray according to the invention preferably consists of a multi-well corrugated cardboard, wherein each layer or corrugation web can have the same or a different structure.
  • the corrugated cardboard structure of the packaging tray according to the invention can also be printed in order to convey product and consumer information if necessary or to serve for decoration.
  • a pressure may be applied to the outside of the corrugated structure and / or on the sidewalls and / or on the floor.
  • a printed corrugated cardboard is used.
  • the printability of the corrugated board structure prepares no difficulties even with complicated printing, which is not always the case with plastic troughs.
  • the insert of the packaging tray according to the invention is a single-layer or multi-layer, heat-sealable plastic film of thermoplastic polymers.
  • the plastic film used as the insert is stretched in the longitudinal and / or transverse direction in a drawing ratio of at least 1: 1.5, preferably at least 1: 2, more preferably 1: 2 to 1: 4
  • Such a multilayer plastic film is characterized by a particularly high puncture resistance.
  • the biaxially oriented multilayer plastic film has a shrinkage of at most 5%, preferably ⁇ 3%, since it is fixed after stretching.
  • the liner film preferably has a thickness of from 30 to 400 ⁇ m, more preferably from 50 to 350 ⁇ m, even more preferably from 70 to 300 ⁇ m, most preferably from 80 to 250 ⁇ m and in particular from 90 to 220 ⁇ m or from 100 to 200 ⁇ m.
  • the multilayer plastic film used as insert can preferably have more than 2, more preferably 5 or more layers. Also particularly preferred as a liner is a plastic film which has 5 to 10 layers.
  • the insert used according to the invention is not inflatable, does not consist of segments and is not composed of several plastic webs.
  • the insert consists only of a, preferably thermoformed by thermoforming plastic sheet.
  • the insert is based on a multilayer plastic film, which is composed essentially of thermoplastic polymers.
  • the insert of the packaging tray according to the invention preferably consists of a multilayer plastic film comprising a transparent film composite with preferably at least one optionally multi-layer heat seal layer based on at least one thermoplastic polymer, at least one transparent layer of a thermoplastic polymer having a specific functionality and optionally from necessary adhesion promoter layers thermoplastic polymer.
  • the transparent film composite or the multilayer plastic film serving as insert for the packaging tray according to the invention may have at least one preferably transparent barrier layer (c), preferably a barrier layer against gases, such as oxygen or water vapor, against migration of low molecular weight Shares and / or against taste or odor impairment or moisture, which is optionally connected in each case via a primer layer with the adjacent layers.
  • a transparent barrier layer preferably a barrier layer against gases, such as oxygen or water vapor, against migration of low molecular weight Shares and / or against taste or odor impairment or moisture, which is optionally connected in each case via a primer layer with the adjacent layers.
  • the plastic film used as an insert of the packaging tray according to the invention has an oxygen permeability according to DIN 53380-3 of less than 10.00 cm 3 / (m 2 ⁇ dbar) at 23 ° C. and 50% r. F. on.
  • the oxygen permeability of the insert is at most 8 cm 3 / (m 2 ⁇ dbar), preferably at most 7 or 6 cm 3 / (m 2 ⁇ dbar), more preferably at most 5, 4 or 3 cm 3 / (m 2 More preferably at most 2, 1 or 0.5 cm 3 / (m 2 ⁇ dbar), most preferably at most 0.4, 0.3 or 0.2 cm 3 / (m 2 ⁇ d) Bar) and in particular at most 0.1, 0.09 or 0.08 cm 3 / (m 2 ⁇ dbar) (each at 23 ° C and 50% RH).
  • the values of the water vapor permeability of the plastic film used as the insert of the packaging tray according to the invention preferably correspond at most to the abovementioned oxygen permeability values, the water vapor permeability being determined in accordance with DIN ISO 53,122.
  • plastic film in particular known from the field of food technology, can be used with the above-listed layer sequences as a plastic film used as a liner.
  • a multilayer plastic film comprising at least the polymer layers (a) to (e) and optionally (f).
  • the polyolefin layers (a) and (e) preferably each form the outer layer of the insert.
  • both outer layers of the plastic film are heat-sealable.
  • the polyolefin layers (a), (e) and optionally (f) of the multilayer film according to the invention are based, identically or differently, on a thermoplastic polyolefin, olefin copolymers or mixtures thereof.
  • Polyolefins and olefin copolymers in the context of the present invention are preferably selected from the group comprising polyethylenes (PE) - in particular low density polyethylenes between 0.86 and 0.93 g / cm 3 (LDPE), linear low density polyethylenes between 0.86 and 0.94 g / cm 3 (LLDPE), which in addition to ethylene as a comonomer one or more ⁇ -olefins having more than 3 carbon atoms high density polyethylenes between 0.94 and 0.97 g / cm 3 (HDPE) or ethylene copolymers with an ⁇ -olefin having 4 or more carbon atoms (mPE), polypropylenes (PP), polyisobutylenes (PI), polybutylene ( PB), ethylene-acrylic acid copolymers (EAA), ethylene-methacrylic acid copolymers (EMAA), ethylene-vinyl acetate copolymers preferably having 60-99 mole% ethylene (EVA), ethylene
  • the plastic film used as a liner of the packaging tray according to the invention preferably has, as already mentioned, at least one barrier layer (d).
  • barrier layer preferably has, as already mentioned, at least one barrier layer (d).
  • the skilled person is familiar with suitable polymers with which the desired barrier effect, in particular gas or aroma barrier, can be achieved.
  • Suitable polymers are ethylene-vinyl alcohol copolymers (EVOH), polyvinylidene chloride (PVDC) and vinylidene chloride copolymers, preferably with a proportion of vinylidene chloride of 80% or more, optionally also as a blend with other polymers, such as ethylene / vinyl acetate copolymers ( EVA).
  • EVOH ethylene-vinyl alcohol copolymers
  • PVDC polyvinylidene chloride
  • EVA ethylene / vinyl acetate copolymers
  • the barrier layers (d) are preferably respectively, identically or differently, based on ethylene-vinyl alcohol copolymers.
  • barrier layer (d) In order to protect the barrier layer (d), if necessary, against the effects of moisture, it may in each case be provided with an intermediate layer (c). These Intermediate layers (c) protect the barrier layer (d), if necessary, against damage during thermoforming.
  • These intermediate layers (c) are preferably each based, identically or differently, on a polyamide, copolyamide or mixtures thereof.
  • Polyamides (PA) and copolyamides (CoPA) for the purposes of the present invention are preferably aliphatic or (partially) aromatic. Preference is given to aliphatic polyamides.
  • the polyamides or copolyamides have a melting point in the range of 160 to 240 ° C, more preferably 170 to 220 ° C.
  • At least one polyamide or copolyamide is selected from the group consisting of PA 4, PA 6, PA 7, PA 8, PA 9, PA 10, PA 11, PA 12, PA 4,2, PA 6,6, PA 6, 8, PA 6.9, PA 6.10, PA 6.12, PA 7.7, PA 8.8, PA 9.9, PA 10.9, PA 12.12, PA 6 / 6.6, PA 6,6 / 6, PA 6T, and PA 6I.
  • PA 6 is particularly preferred.
  • a detailed description of polyamides and copolyamides can be found in Kunststoff-Handbuch Volume VI, Polyamides, Carl Hanser Verlag Kunststoff, 1966 ; and Melvin I. Kohan, Nylon Plastics Handbook, Carl Hanser Verlag Kunststoff, 1995 , the contents of which are fully referenced.
  • Certain PA or CoPA can also be used as an oil or fat barrier and are known to those skilled in the art.
  • the multilayer plastic film used according to the invention can preferably also have one or more adhesion promoter layers (b). Suitable adhesion promoter polymers are known to the person skilled in the art.
  • Adhesion promoter layers (b), which are identical or different, are preferably based on a mixture of preferably modified polyolefins and / or olefin copolymers, preferably selected from the group consisting of PE and PP modified with carboxyl groups and / or cyclic anhydride groups, in particular polyethylenes modified with maleic anhydride groups, polypropylenes and ethylene-vinyl acetate copolymers.
  • maleic anhydride-modified PE COOH modified PE, acid modified ethylene / vinyl acetate, acid modified ethylene / (meth) acrylate copolymers or anhydride modified ethylene (meth) acrylate copolymers, anhydride modified ethylene vinyl acetate copolymers or a polymer blend containing at least two of the aforementioned polymers.
  • Maleic anhydride modified polymers or copolymers are particularly preferred.
  • the multilayer plastic film used as insert can have up to 9, 10, or 11 layers, the outer two, sealable layers preferably being based on PE.
  • Very particular preference is given to a plastic film as an insert, which consists of ten layers and has the layer structure PE / PA / EVOH / PA / PE / PE / PA / EVOH / PA / PE.
  • the multilayer plastic film used as a liner can also comprise a paper layer as an outer layer, the bond between the multilayer plastic film and the paper layer being provided via a laminating layer.
  • the person skilled in laminating layers and the materials suitable for it are known.
  • the otherwise preferably transparent plastic film preferably has a paper layer which is directed as an insert against the filling material and preferably has a basis weight of 20 g / m 2 - 100 g / m 2 .
  • a liner is a multilayer plastic film which is heat-sealable, highly transparent and suitable for food, which has at most a shrinkback of ⁇ 5% and also a barrier to gases, such as oxygen and / or water vapor, against moisture, against migration of low molecular weight fractions and / or against taste or odor impairment and / or against fats and oils.
  • gases such as oxygen and / or water vapor
  • the insert according to the invention made of the described plastic films is not protected by partitions of e.g. contiguous pegs or prongs consisting of the plastic film of the insert divided into chambers.
  • the insert preferably consists of a compact plastic film without passages, such as perforations.
  • a packaging element for closing the trough (the closure element), preferably a lid.
  • This closure element, preferably the lid, of the packaging system according to the invention is preferably based on a heat-sealable, single-layer or multilayer plastic film. If the closure element, preferably the lid, is constructed from a multilayer plastic film, it can also have a pressure-sensitive pressure-sensitive adhesive layer, at least in the region of the sealed seam, as a reclosable device.
  • the plastic film used as the closure element is stretched in the longitudinal and / or transverse direction in a drawing ratio of at least 1: 1.5, preferably at least 1: 2, more preferably 1: 2 to 1: 4, resulting in the multilayered plastic film characterized by a particularly high puncture resistance.
  • the plastic film used as the cover element preferably has a thickness between 20 and 350 ⁇ m, more preferably between 30 and 300 ⁇ m, even more preferably between 35 and 250 ⁇ m, most preferably between 40 and 200 ⁇ m and in particular 45 to 150 ⁇ m or 50 to 120 ⁇ m on.
  • the multilayer plastic film used as closure element which is sealable, highly transparent, possibly reclosable and suitable for foodstuffs, has virtually no shrinkback, preferably a barrier to gases, such as oxygen or water vapor, against moisture, against migration of low molecular weight fractions Taste or odor impairment and / or against fats and oils.
  • the plastic film used as a closure element has an oxygen permeability according to DIN 53380-3 of less than 10.00 cm 3 / (m 2 ⁇ dbar) at 23 ° C and 50% RH.
  • the oxygen permeability is at most 8 cm 3 / (m 2 ⁇ dbar), preferably at most 7 or 6 cm 3 / (m 2 ⁇ dbar), more preferably at most 5, 4 or 3 cm 3 / (m 2 ⁇ d More preferably at most 2, 1 or 0.5 cm 3 / (m 2 ⁇ dbar), most preferably at most 0.4, 0.3 or 0.2 cm 3 / (m 2 ⁇ dbar) ) and in particular at most 0.1, 0.09 or 0.08 cm 3 / (m 2 ⁇ dbar) (each at 23 ° C and 50% RH).
  • the multilayer plastic film used as a closure element also has at most a water vapor permeability which corresponds to the above-mentioned values of the oxygen permeability, wherein the water vapor permeability according to DIN ISO 53 122 is determined.
  • the packaging system according to the invention preferably comprises not only the packaging tray according to the invention of corrugated cardboard structure and the insert described above but also a preferably transparent closure element, preferably a lid, of a preferably multilayer, optionally recloseable plastic film with optionally said barrier properties for closing the packaging tray.
  • Suitable barrier layers have already been disclosed above in connection with description of the multilayer plastic film used as a liner according to the invention.
  • the closure element consists of an at least two-layer plastic film.
  • the material of this plastic film and the multilayer plastic film used as a liner may be the same or different.
  • any plastic film known to a person skilled in the art, in particular from the field of food technology, which preferably has a polyester layer, can be used for the lid.
  • the plastic film of the closure element may optionally be printed.
  • the plastic film of the closure element comprises a heat-sealable layer (g) which is preferably based on the same polymer as the heat-sealable layers (a) or (e) of the plastic film from which the insert is made or at least in the same type of polymer.
  • Suitable polymers for producing the layers (b), (c), (d) and (f) optionally present in the plastic film of the closure element have already been disclosed above in connection with the description of the plastic film used as a liner.
  • the preferably present layer (h) of the cover plastic film is based on at least one polyester or at least one copolyester, which is preferably selected from the group comprising polyethylene terephthalate (PET), in particular c-PET, a-PET, CoPET, PBT and CoPBT. If appropriate, the polyester or copolyester layer can also be oriented.
  • PET polyethylene terephthalates
  • a-PET polyethylene terephthalates consisting of ethylene glycol and terephthalic acid were manufactured.
  • a-PET amorphous PET
  • c-PET crystalline PET
  • CoPET refers to copolyesters which, in addition to ethylene glycol and terephthalic acid, also contain other monomers, such as, for example, branched or aromatic diols.
  • CoPBT refers to polybutylene terephthalates.
  • the polyester or copolyester used has an intrinsic viscosity of preferably from 0.1 to 2.0 dl / g, more preferably from 0.3 to 1.5 dl / g, in particular from 0.6 to 1.0 dl / g wherein the method for determining the intrinsic viscosity is known to the person skilled in the art.
  • PET PET
  • PBT polycarbonates
  • PC polycarbonates
  • CoPC Copolycarbonates
  • the plastic film as a closure element very particularly preferably comprises a preferably at least two-layered plastic film which has a layer based on PE or oriented PET (oPET), the heat-sealing layer made of PE facing the filling material as closure element. Possibly. is the plastic film of the closure element, preferably the lid, resealable via a pressure-sensitive adhesive layer.
  • the plastic film of the closure element can also comprise a paper layer, wherein the bond between the preferably multilayer plastic film and the paper layer is given via a laminating layer.
  • This paper layer of the closure element can have a cut-out in the form of a window for viewing.
  • the closure element, preferably the lid, of Packaging system according to the invention may consist of a composite of a preferably multilayer plastic film and a paper web, wherein the paper web optionally has a cutout in the form of a window.
  • the layers of the insertable, preferably multilayer plastic films and the preferably multilayer plastic film serving as closure element may optionally be selected from the group consisting of antioxidants, antiblocking agents, antifogging agents, antistatic agents, antimicrobial agents, light stabilizers, UV absorbers, UV filters, dyes , Color pigments, stabilizers, preferably heat stabilizers, process stabilizers and UV and / or light stabilizers, preferably based on at least one sterically hindered amine (HALS), peel additives or process aids be doped.
  • HALS sterically hindered amine
  • the described plastic film as a plastic film, preferably under heat and applying a vacuum or pressure exerted deep drawn in the already existing corrugated board structure until the plastic film substantially the same shape with the structure on the inner walls to the bottom and on the inside of the Corrugated cardboard structure forms a loose contact surface and does not shrink back, at the same time a degassing between the plastic film insert and the corrugated cardboard structure via the located at least in the bottom region of the cardboard structure degassing or degassing occurs.
  • the plastic film web can also at least partially already be brought into the shape of the insert before it is deep drawn into the corrugated cardboard structure until the final shaping.
  • the method for producing the packaging according to the invention is carried out so that initially serving as insert plastic film web, preferably with heat supply, so long under vacuum and / or pressure in the folded or mechanically shaped corrugated cardboard structure is deep drawn until the plastic film to produce the packaging according to the invention essentially with the hollow of corrugated cardboard on the inside of the side walls up to and over the bottom of the corrugated cardboard structure forms a loose contact surface and does not shrink back, at the same time a degassing between the insert and the corrugated cardboard structure on the located at least in the bottom region of the paperboard corrugated cardboard vent or degassing occurs, the corrugated cardboard structure is integrally connected by heat sealing or pressing, in the upper portion, preferably to the upper edge of the inside of each side wall circumferentially with the insert and after filling, the packaging tray is optionally closed by gas exchange with the closure element, preferably a lid, from one of said plastic films with the over the entire edge of the corrugated cardboard structure circumferentially protruding part of the insert
  • the corrugated cardboard structure has at least one, preferably several, degassing openings arranged in regular intervals in the bottom region.
  • the number of vent openings preferably depends on the size of the corrugated cardboard structure.
  • the vent openings can have any shape.
  • the degassing openings are preferably in the form of slots, which preferably have a length of 0.5 cm to 10 cm, more preferably 1 cm to 5 cm.
  • vent openings of the corrugated cardboard structure are preferably arranged in the edges between the individual side walls and the floor area or in the floor.
  • vent openings of the corrugated fiberboard structure are spaced at regular intervals in the edges between the bottom and sidewalls, preferably complementary to the gas discharge devices, i. Air discharge devices, the respective forming tool, arranged.
  • the preferably heat-sealable plastic film can be produced by sealing, ie by the action of heat and pressure, by crimping, by pressing or by gluing, for example by gluing with a self-adhesive film section. in particular a double-sided self-adhesive film section, are connected. Preference is given to heat-sealing with sealing tools. In this case, the cohesive connection between the corrugated cardboard structure and the insert takes place in that the insert and the corrugated cardboard structure are pressed against one another in the predetermined region while being heated.
  • the insert of the packaging system according to the invention is preferably based on a thermoformed plastic film, preferably by deep-drawing, which is adhesively bonded to the corrugated cardboard structure by heat sealing or pressing in the indicated regions, preferably in the entire circumference.
  • the insert preferably has a circumferential edge projecting over the entire edge of the corrugated cardboard structure as a flange, which serves for closing the packaging tray.
  • This sealing edge is preferably perpendicular from the upper edge of the side walls.
  • the packaging tray After filling the packaging tray, it can be closed by gas exchange with the closure element, preferably the lid, based on one of said plastic films by sealing with the flange.
  • the closure element preferably the lid
  • FIG. 1 shows an exemplary scheme of the manufacturing process of the packaging system according to the invention.
  • the corrugated cardboard structure (1) is placed erect in the tool (3), wherein the tool (3) has exactly the outer contours of the corrugated cardboard structure (1) and can completely accommodate the corrugated cardboard structure (1) (FIG. 1A).
  • the corrugated cardboard structure (1) is provided at the four edges, between the bottom and side walls, with degassing openings (2) (preferably slots). These degassing openings (2) are arranged complementary to the gas discharge devices of the tool (4).
  • the film web (5) for producing the insert is positioned over the corrugated cardboard structure (1) inserted in the tool (3) (FIG. 1B).
  • the film web (5) is drawn into the corrugated cardboard structure (1) (not shown), whereby the insert (6) is obtained.
  • the displaced air is discharged via the degassing openings (2) in the corrugated cardboard structure (1) and the corresponding gas discharge devices of the tool (4) (FIG. 1C).
  • the on the side walls of the corrugated cardboard structure (1) fitting insert (6) is in upper area of the inner sides of the side walls materially connected to the cardboard structure (not shown).
  • This cohesive connection between insert and corrugated cardboard structure (7) is preferably carried out by means of a heat-sealing tool by heat sealing.
  • the film web for the production of the lid (8) is positioned over the packaging tray (1 D). Subsequently, the packaging tray is preferably closed to the flange (not shown) with gas exchange by heat-sealing the film web (8) to the peripheral edge of the insert (6), whereby the packaging system according to the invention is obtained.
  • the packaging system according to the invention is preferably suitable as a packaging for goods of any kind, preferably foods, luxury foods, animal feed and medical products, in solid or liquid form.
  • the packaging system according to the invention is particularly preferably suitable as packaging for raw or cooked foods such as meat and fish, meat products such as ham or sausage, ready meals, frozen foods, animal feeds, dry powders of all kinds, solid milk products, sweets such as chocolate products, pasta, medical products and decorative articles.
  • the individual constituents or materials, coatings, paints, etc. of the packaging system according to the invention are each chosen so that they correspond to the requirements for packaging the contents (for example, food suitability for food and luxury goods).
  • the packaging system according to the invention is preferably sterilizable, pasteurizable and / or microwaveable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Claims (18)

  1. Système d'emballage constitué par une barquette d'emballage et un élément d'emballage séparé de celle-ci, destiné à fermer la barquette, dans lequel la barquette d'emballage présente une structure externe pliée ou moulée en carton ondulé (1), pourvue d'un insert (6) constitué par une feuille (5) en matériau synthétique monocouche ou multicouche, thermoformée, caractérisé en ce que la face interne de chaque paroi latérale de la structure en carton n'est à chaque fois assemblée par liaison de matière, par thermoscellage ou par compression, que dans sa zone partielle supérieure (7), de préférence au plus jusqu'à chaque bord supérieur de la paroi latérale, sur toute la périphérie avec l'insert, l'insert forme, avec les zones inférieures qui restent de la face interne de chaque paroi latérale jusqu'au fond de la barquette d'emballage une surface d'appui essentiellement de même forme, mais détachée et la structure en carton présente, au moins dans la zone de fond, au moins une ouverture de dégazage (2), de préférence plusieurs ouvertures de dégazage disposées dans des sections régulières.
  2. Système d'emballage selon la revendication 1, caractérisé en ce que les bandes de papiers du carton ondulé présentent un grammage de 50-150 g/m2.
  3. Système d'emballage selon la revendication 1 ou 2, caractérisé en ce que le carton ondulé présente au moins une bande ondulée, présentant de préférence une cannelure de dimension G, F ou E.
  4. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que le carton ondulé présente plusieurs bandes ondulées, chaque cannelure, chaque couche intermédiaire et chacune des deux couches externes du carton ondulé pouvant présenter la même construction ou une construction différente.
  5. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que la structure en carton ondulé (1) est une ébauche en carton ondulé, pliée et fixée.
  6. Système d'emballage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la structure en carton ondulé (1) est un carton ondulé moulé mécaniquement sous l'effet de l'humidité et/ou de la chaleur.
  7. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que les ouvertures de dégazage (2) de la structure en carton ondulé (1) sont disposées sous forme de fentes à des distances régulières dans les bords entre le fond et les parois latérales, de préférence de manière complémentaire aux dispositifs (4) d'évacuation de gaz de l'outil de moulage (3) pour l'insert (6).
  8. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que la structure en carton ondulé (1) est imprimée.
  9. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'insert (6) en une feuille (5) en matériau synthétique multicouche, thermoformé, comprend un assemblage transparent de feuilles, qui est constitué par une couche de thermoscellage, le cas échéant multicouche à base d'au moins un polymère thermoplastique, par au moins une couche transparente constituée par un polymère thermoplastique présentant une fonctionnalité déterminée, de préférence au moins une couche formant une barrière et par des couches le cas échéant nécessaires de promoteur d'adhérence en un polymère thermoplastique.
  10. Système d'emballage selon la revendication 9, caractérisé en ce que l'assemblage de feuilles, transparent, présente au moins une couche transparente formant une barrière contre les gaz, tels que l'oxygène ou la vapeur d'eau, contre l'humidité, contre la migration de proportions de bas poids moléculaire et/ou contre l'atteinte du goût ou de l'odeur, qui est à chaque fois assemblée aux couches adjacentes via une couche de promoteur d'adhérence.
  11. Système d'emballage selon la revendication 9 ou 10, caractérisé en ce que l'assemblage de feuilles, transparent, de l'insert (6) présente une couche de papier qui est orientée vers le matériau de remplissage et qui présente de préférence un grammage de 20 g/m2-100 g/m2.
  12. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'insert (6) thermoformé est uniquement constitué par une feuille (5) en matériau synthétique, de préférence multicouche.
  13. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il présente une barquette d'emballage en une structure (1) en carton ondulé présentant un insert (6) en une feuille (5) en matériau synthétique et un élément de fermeture séparé, de préférence transparent, de préférence un couvercle, en une feuille (8) en matériau synthétique de préférence multicouche, le cas échéant refermable.
  14. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de fermeture est constitué par un assemblage d'une feuille (8) en matériau synthétique, de préférence transparente, le cas échéant multicouche, et d'une bande de papier, la bande de papier présentant le cas échéant une découpe sous forme d'une fenêtre.
  15. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que la feuille (8) en matériau synthétique, multicouche, de l'élément de fermeture présente de préférence une couche autoadhésive sensible à la pression comme dispositif refermable.
  16. Système d'emballage selon l'une quelconque des revendications précédentes, caractérisé en ce que le système d'emballage convient comment emballage pour des produits de n'importe quelle nature, de préférence des aliments, des denrées de luxe, des aliments pour animaux ou des produits médicaux, sous forme solide ou liquide
  17. Système d'emballage selon la revendication 16, caractérisé en ce que, en tant qu'emballage, il peut être stérilisé, pasteurisé et/ou convient pour les micro-ondes.
  18. Procédé pour la fabrication d'un emballage constitué par un système d'emballage selon l'une quelconque des revendications 1 à 15, caractérisé en ce que, pour la fabrication de la barquette d'emballage, la bande (5) de feuille en matériau synthétique servant d'insert(6) est emboutie, de préférence avec alimentation de chaleur, sous vide et/ou en exerçant de la pression, dans la structure (1) en carton ondulé pliée ou moulée mécaniquement, finie, jusqu'à ce que la feuille (5) en matériau synthétique forme une surface d'appui détachée, présentant essentiellement la même forme, contre la face interne de chaque paroi latérale jusqu'à et sur le fond de la structure en carton ondulé et ne présente pas de retrait, un dégazage ayant lieu simultanément entre l'insert et la structure en carton ondulé via l'ouverture de dégazage (2) ou les ouvertures de dégazage se trouvant au moins dans la zone du fond de la structure en papier ondulé, l'insert est assemblé, par liaison de matière, par thermoscellage ou compression, de manière périphérique, à la structure en carton ondulé dans la zone partielle supérieure (7), au plus jusqu'au bord supérieur de la face interne de chaque paroi latérale et la barquette d'emballage est fermée par scellage après remplissage, le cas échéant avec échange de gaz, par l'élément de fermeture, de préférence un couvercle, à base d'une feuille (8) en matériau synthétique avec la partie dépassant sur tout le bord de la structure en carton ondulé, de manière périphérique, de l'insert en feuille en matériau synthétique.
EP14711156.1A 2013-04-12 2014-03-18 Systeme de conditionnement avec barquette d'emballage en carton Active EP2984001B1 (fr)

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DE102013006309.4A DE102013006309B4 (de) 2013-04-12 2013-04-12 Verpackungssystem umfassend eine Kartonstruktur
PCT/EP2014/000727 WO2014166578A1 (fr) 2013-04-12 2014-03-18 Système d'emballage comprenant une structure cartonnée

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AU (1) AU2014252397B2 (fr)
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EP2563677B1 (fr) 2010-04-30 2017-07-12 GEA Food Solutions Germany GmbH Emballage présentant une structure extérieure en carton et une garniture intérieure composée d'un film plastique
EP2441696A1 (fr) * 2010-10-14 2012-04-18 Packable B.V. Conditionnement pour conditionnement sous atmosphère modifiée
EP2687360B8 (fr) * 2012-07-18 2018-04-11 Packable B.V. Procédé pour disposer une feuille sur un plateau

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Publication number Publication date
EP2984001A1 (fr) 2016-02-17
DE102013006309A1 (de) 2014-10-16
CA2907790A1 (fr) 2014-10-16
CA2907790C (fr) 2021-02-02
WO2014166578A1 (fr) 2014-10-16
DK2984001T3 (en) 2017-06-19
ES2626972T3 (es) 2017-07-26
PL2984001T3 (pl) 2017-08-31
AU2014252397A1 (en) 2015-10-15
AU2014252397B2 (en) 2017-08-17
US11225353B2 (en) 2022-01-18
DE102013006309B4 (de) 2015-10-22
US20160016685A1 (en) 2016-01-21

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