EP2450292A1 - Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir - Google Patents

Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir Download PDF

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Publication number
EP2450292A1
EP2450292A1 EP10190379A EP10190379A EP2450292A1 EP 2450292 A1 EP2450292 A1 EP 2450292A1 EP 10190379 A EP10190379 A EP 10190379A EP 10190379 A EP10190379 A EP 10190379A EP 2450292 A1 EP2450292 A1 EP 2450292A1
Authority
EP
European Patent Office
Prior art keywords
film
shell
film packaging
deep
packaging according
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.)
Granted
Application number
EP10190379A
Other languages
German (de)
English (en)
Other versions
EP2450292B1 (fr
Inventor
Herbert Bader
Tina Knoche
Ralf Niepelt
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.)
Mondi AG
Original Assignee
Nordenia Technologies GmbH
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 Nordenia Technologies GmbH filed Critical Nordenia Technologies GmbH
Priority to ES10190379.7T priority Critical patent/ES2642929T3/es
Priority to EP10190379.7A priority patent/EP2450292B1/fr
Publication of EP2450292A1 publication Critical patent/EP2450292A1/fr
Application granted granted Critical
Publication of EP2450292B1 publication Critical patent/EP2450292B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3216—Rigid containers disposed one within the other
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure

Definitions

  • the invention relates to a deep-drawn film packaging with a shell formed from a thermoforming sheet and with a cover sheet.
  • the thermoforming film packaging is intended for foodstuffs and is intended to protect the packaged food from external influences for as long as possible before it is opened for the first time.
  • thermoforming film packaging In order to extend the shelf life of portionierbarer foods such as sausage and cheese slices at least to some extent after opening the first time, different reclosing systems are known in practice, in which the lid can be placed again and then ensures a certain closure of thermoforming film packaging.
  • a permanent adhesive may be provided, which is exposed at a first opening and then attached to the shell when re-placing the lid adhering.
  • a thin, flexible cover film it is also possible to provide more dimensionally stable lids formed from a thermoformable film, which lids are fastened to the tray by a form fit. The lid can either overlap an edge of the shell from above or be deep drawn according to the shell.
  • thermoforming film packaging with a deep-drawn shell and a deep-drawn lid is made of EP 1 602 592 B1 known.
  • a thin display film is arranged on the lid, which can be provided with a decor and additional user information.
  • the thermoformed sheet packaging described is intended in particular for refrigerated goods, wherein in addition to the food received in the tray, a further object can be arranged in the cavity of the lid below the display film.
  • These may be accessories or accessories in the form of cutlery, napkins, a seasoning sauce or even a toy.
  • thermoformed film packaging with a reclosure system the problem arises that after a first opening and the removal of a subset of the remaining content is only limited storage. On the one hand, this is due to the fact that the known reclosure systems, while ensuring some protection against the exchange of air, do not have the tightness of the original closure. Even if the leak-tightness of the reclosure system could be further increased, the storage life is limited, at least, by the introduction of ambient air into the package upon initial opening, thereby destroying the conditions provided for a long period of storage in the package, such as a protective atmosphere. Finally, in the removal of a subset, a direct contamination of the remaining food, for example, by the hands of a user or by dirty cutlery, possible.
  • WO 2007/070597 A2 is a deep-drawn foil packaging known, which is intended only for a single use.
  • the deep-drawn, cup-shaped shell is provided for receiving a liquid, wherein within the lid between two films, a small additional space is formed.
  • the deep-drawn film packaging described can be provided in particular for a hygienic implementation of the Christian Eucharist, wherein in the cup-shaped receiving space of the shell wine or grape juice and in the additional space of the lid is arranged a host. The cup and the additional space are opened immediately one after another to allow simultaneous recording by a user.
  • the present invention has for its object to provide a thermoforming film packaging from which multiple individual portions can be removed without the shelf life of the not yet removed, remaining in the thermoforming film packaging food is affected.
  • the object of the invention and solution of the problem is a deep-drawn film packaging with a shell formed from a thermoforming sheet and a cover sheet, wherein the deep-drawn film packaging is characterized in that at least two deep-drawn intermediate films between the cover sheet and the shell are arranged to form a plurality of closed portion chambers, wherein the portion chambers are separately accessible through a separation of the two enclosing the respective portion chamber films along a separable connection.
  • the present invention teaches dividing the portionable food arranged in the thermoforming film packaging into individual portions, each individual portion being arranged in an associated portioning chamber. Each portion chamber is sealed tight and thus optimal against external Protected influences. If the removal of a portion is desired, the user can only open one of the portion chambers by opening the two sheets enclosing the respective portion chamber along a separable connection.
  • the thermoforming film packaging according to the invention is particularly suitable for individuals who need correspondingly less food in a single removal. Even high-quality products or stimulants are often consumed only in small quantities, which is precisely then impairments caused by storage are avoided. Also for such products, the thermoforming packaging according to the invention is particularly well suited.
  • thermoforming film packaging In the arrangement of two deep-drawn intermediate films arise within the thermoforming film packaging a total of three in the deep drawing superposed cavities, namely between the thermoforming sheet and the lower intermediate film, between the two intermediate films and between the upper intermediate film and the cover sheet. Preferably, all three cavities are then provided as portion chambers for receiving a single portion. By arranging further intermediate films, the number of portion chambers can be increased as desired according to the requirements.
  • thermoforming film packaging according to the invention is particularly suitable and intended to accommodate a plurality of approximately equal portions, for example an equal number of slices. It is therefore advantageous if all portion chambers have a substantially same receiving volume.
  • the volume of the portion chambers refers to the space that is formed in the closed state of thermoforming film packaging between successive slides. It is understood that the extent to which the individual films are deep drawn, from the deep-drawing film forming the shell in the direction of Cover sheet gradually decreases. A deep drawing of the cover sheet is not excluded in the invention, but not usually necessary.
  • thermoforming film packaging portions can be removed even with large total quantities without affecting the shelf life of remaining in the thermoforming film packaging portions.
  • a reclosing system known from the prior art by means of pressure-sensitive adhesive and / or a form-fitting lid is then generally not required. Basically, however, the combination with such a reclosure system is not excluded and may be useful if it is expected that the user will not completely remove a single portion.
  • a reclosure system would protect the onset of single serving for at least a period of time, while further food placed in unopened portion compartments would then be protected for a longer period of time.
  • the individual films of thermoforming film packaging are preferably connected by heat sealing, wherein the two each a portioning chamber bounding films then separable, that is peelable, are connected.
  • the shell formed by the deep-drawing film and the deep-drawn intermediate films can first be filled with food portions and then put into one another before the cover film is finally placed and the individual films are joined together by heat sealing.
  • each enclosing a position chamber are connected to one another by separable heat-sealing seams, care must be taken that the adjoining films are dense but nevertheless peelable, for which purpose a suitable combination of materials must be present at the compound of the films.
  • the shell formed from the thermoforming sheet may be formed from a conventional, thermoformable sheet material which comprises, for example, an outer layer of polyester, in particular PET and a heat-sealable, heat-sealable layer of polyolefin, in particular polyethylene (PE), following the following intermediate film.
  • a conventional, thermoformable sheet material which comprises, for example, an outer layer of polyester, in particular PET and a heat-sealable, heat-sealable layer of polyolefin, in particular polyethylene (PE), following the following intermediate film.
  • PET an outer layer of polyester, in particular PET and a heat-sealable, heat-sealable layer of polyolefin, in particular polyethylene (PE), following the following intermediate film.
  • PE polyethylene
  • Conventional materials which have, for example, a high-grade layer of polyester, in particular oriented polyethylene terephthalate (OPET) and a heat-sealable layer of polyolefin, in particular polyethylene (PE), can also be used as
  • the intermediate films may be either one-layered or multi-layered, whereby simple intermediate films of polyethylene (PE) are also suitable.
  • PE polyethylene
  • the material of the intermediate film is then mixed but so that it is peelable against itself and against the sealing layer of the deep-drawn shell and against the sealing layer of the cover sheet. Good peelability can be achieved for example by adding polybutene.
  • the intermediate films have a multilayer structure with a core layer and with heat-sealable outer layers. In addition to a three-layer structure, in particular a five-layer structure with additional adhesion promoter layers between the core layer and the two outer layers is also considered.
  • thermoformable material for. B. a polyethylene terephthalate (PET) used.
  • PET polyethylene terephthalate
  • PET-G glycol-modified polyethylene terephthalate
  • PET-G glycol-modified polyethylene terephthalate
  • amorphous thermoplastics are generally easier to deep-draw than semi-crystalline thermoplastics.
  • polyolefins such as the common types of PE and PP, are often in semi-crystalline form.
  • polypropylene is particularly suitable.
  • PP polypropylene
  • the deep-drawing film, the cover film and the intermediate films may also contain barrier layers, in particular O 2 barrier layers, in the case of a multilayered design in order to further improve the storability.
  • the intermediate films must be deep-drawable in order to be able to form compartmentalized chambers.
  • the further embodiment of the intermediate film is not limited, wherein the intermediate films may be formed, for example, from a thin, flexible material or else from a comparatively stiff, thick-walled material.
  • Relative, thin flexible intermediate films are basically sufficient in the context of the invention, because the stability of the entire thermoforming film packaging is ensured by the deep-drawn shell, wherein the individual intermediate films are then usually arranged on an upper peripheral edge of the shell, on the expediently also the separable heat-sealing seams , are supported.
  • At least one of the intermediate films after deep drawing on a dimensionally stable shell shape. It then results in the advantage that the intermediate films then have a high-quality appearance for themselves and are stable. Such a configuration is particularly useful if not identical portions but different flavors of food are included in the thermoforming film packaging. Thus, it is conceivable, for example, to arrange different types of cheese or sausage in the individual portion chambers. Then there is the advantage that even with the provision of very small quantities, a product selection can be provided with a single thermoformed film packaging. The user can then select which portion chamber he wants to open, that is, which flavor is to be consumed.
  • thermoforming film packaging shell In a rigid embodiment of the intermediate films, the then remaining, possibly also separate from each other portion chamber are stable, even if the originally forming the bottom of thermoforming film packaging shell has been removed.
  • thermoforming film packaging can be made with increased thermal stability, so that heating in a water bath, in a microwave or in an oven is possible.
  • High temperature resistance can be achieved, for example, with films made of polypropylene for the sealing layers and polyethylene terephthalate for the core layer, in particular semi-crystalline polyethylene (C-PET) are formed, which still has sufficient thermoforming properties despite the partial crystallinity.
  • stackable menu packs can be formed, with the individual portion packs preferably being equipped with a complete portion of food.
  • the intermediate films have a dimensionally stable shell shape, so that the portions can then be provided in the rigid, independently stable intermediate films or the shell for removal.
  • the intermediate films and the thermoforming film of the shell are formed from the same film material, but then an embodiment must be selected, which allow a peelable connection with respect to the intermediate film on both sides.
  • thermoforming film packaging is not limited.
  • the shell may have a rectangular, circular or even oval base.
  • the shape of the base is usually selected according to which food is to be picked and placed in the package for a user.
  • the portioning chambers forming intermediate films, also intermediate webs can be produced in the deep drawing to allow within the chamber still an additional subdivision. By such webs can be made within the chamber, a certain separation of the products arranged therein.
  • thermoforming film packaging according to the invention is suitable not only for sausages and cheese, but also for other foods such as snacks, coffee pods, yoghurt, dips, confectionery or even pet food.
  • the invention also provides the use of a deep-drawn film packaging according to the claims 10 and 11.
  • Fig. 1 shows a Tiefziehfolienverpackung with a formed from a thermoforming sheet 1 and a cover sheet 2.
  • two deep-drawn intermediate films 3a, 3b are arranged, in such a way that between the shell 1 and the lower intermediate film 3a, between The two intermediate films 3a, 3b and between the upper intermediate film 3b and the cover sheet 2 a total of three separate and sealed portion portions 4a, 4b, 4c are formed.
  • a portion of a food 5, for example cold cuts is arranged in each of the portion chambers 4a, 4b, 4c.
  • the individual portioning chambers 4a, 4b, 4c can be opened separately by separating the two films enclosing the respective portioning chambers 4a, 4b, 4c.
  • the remaining, unopened portion chambers 4a, 4b, 4c remain closed, so that an optimal protection of the respective food portions is ensured.
  • all portion chambers 4a, 4b, 4c on a substantially same receiving volume, for example, to receive the same number of sausage or cheese slices.
  • the shell 1 forms a floor and ensures sufficient stability. It is therefore also sufficient if the intermediate films 3a, 3b and the lid 2 are formed from a comparatively thin, flexible film material, in which case the individual position chambers 4a, 4b, 4c are expediently torn open in succession from top to bottom ,
  • the intermediate films 3a, 3b after deep drawing have a dimensionally stable shell shape. This has the advantage that the portions of the food 5 directly in the shell 1 and the dimensionally stable, shell-shaped intermediate films 3a, 3b can be kept ready for removal.
  • the individual portion chambers 4a, 4b, 4c it is also possible to have different flavors available in the individual portion chambers 4a, 4b, 4c, so that even with small total quantities of food 5 a selection can be made available.
  • the individual intermediate films after deep drawing have a dimensionally stable shell shape. Namely, the user can then select which portion chamber 4a, 4b, 4c is opened, that is, which flavor is to be consumed. If, for example, the lowest portion chamber 4a is to be opened, the shell 1 is to be separated from the lower intermediate film 3a, in which case the remaining portions are arranged protected in the remaining portion chambers 4b, 4c, in which case the underside of the lower intermediate foil 3a forms the bottom of the permanent packaging.
  • the center portion chamber 4b is to be opened, separation of the upper half of the thermoforming sheet package with the upper portion chamber 4c from the lower half with the lowermost portion chamber 4a.
  • the two remaining portion chambers 4a, 4c can then each be easily parked and stored for themselves.
  • opening tabs 8 arranged offset from one another at the periphery of the flange region 6 may be formed, at which a user can pull apart two adjacent foils.
  • Such an embodiment is in the Fig. 4 indicated, wherein the individual opening tabs 8a, 8b, 8c allow access to an associated portion chamber 4a, 4b, 4c.
  • the opening tabs 8a, 8b, 8c may have a different color and / or imprint in the form of a symbol, a number or the like.
EP10190379.7A 2010-11-08 2010-11-08 Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir Not-in-force EP2450292B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES10190379.7T ES2642929T3 (es) 2010-11-08 2010-11-08 Envase de láminas para embutición profunda, así como uso de un envase de láminas para embutición profunda
EP10190379.7A EP2450292B1 (fr) 2010-11-08 2010-11-08 Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10190379.7A EP2450292B1 (fr) 2010-11-08 2010-11-08 Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir

Publications (2)

Publication Number Publication Date
EP2450292A1 true EP2450292A1 (fr) 2012-05-09
EP2450292B1 EP2450292B1 (fr) 2017-08-02

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Application Number Title Priority Date Filing Date
EP10190379.7A Not-in-force EP2450292B1 (fr) 2010-11-08 2010-11-08 Emballage de feuille à emboutir et utilisation d'un emballage de feuille à emboutir

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EP (1) EP2450292B1 (fr)
ES (1) ES2642929T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303550A (zh) * 2013-05-17 2013-09-18 平湖市海特合金有限公司 薄膜分层定量用料装置
DE102017116602A1 (de) 2017-07-24 2019-01-24 Multivac Sepp Haggenmüller Se & Co. Kg Mehrlagenverpackung
US20220097933A1 (en) * 2019-01-25 2022-03-31 Cj Cheiljedang Corporation Container for retort food

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016125669B4 (de) * 2016-12-23 2021-07-15 Mondi Ag Aufreißverpackung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7432125U (de) * 1974-09-25 1974-12-19 Voss Hubert Verkaufspackung
JPH09226847A (ja) * 1996-02-29 1997-09-02 Omori Mach Co Ltd 包装体
DE202004001141U1 (de) * 2004-01-27 2004-04-01 Zimbo Fleisch- Und Wurstwaren Gmbh & Co. Kg Tiefzieh-Folienverpackung mit Displayfolie
WO2007070597A2 (fr) 2005-12-14 2007-06-21 Unique Seal, Llc Boitier a plusieurs compartiments etanches

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7432125U (de) * 1974-09-25 1974-12-19 Voss Hubert Verkaufspackung
JPH09226847A (ja) * 1996-02-29 1997-09-02 Omori Mach Co Ltd 包装体
DE202004001141U1 (de) * 2004-01-27 2004-04-01 Zimbo Fleisch- Und Wurstwaren Gmbh & Co. Kg Tiefzieh-Folienverpackung mit Displayfolie
EP1602592B1 (fr) 2004-01-27 2009-10-07 ZIMBO Fleisch- und Wurstwaren GmbH & Co. KG Emballage obtenu par thermoformage avec feuille d'affichage
WO2007070597A2 (fr) 2005-12-14 2007-06-21 Unique Seal, Llc Boitier a plusieurs compartiments etanches

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303550A (zh) * 2013-05-17 2013-09-18 平湖市海特合金有限公司 薄膜分层定量用料装置
DE102017116602A1 (de) 2017-07-24 2019-01-24 Multivac Sepp Haggenmüller Se & Co. Kg Mehrlagenverpackung
US20220097933A1 (en) * 2019-01-25 2022-03-31 Cj Cheiljedang Corporation Container for retort food
US11964805B2 (en) * 2019-01-25 2024-04-23 Cj Cheiljedang Corporation Container for retort food

Also Published As

Publication number Publication date
EP2450292B1 (fr) 2017-08-02
ES2642929T3 (es) 2017-11-20

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