EP1044889B1 - Verpackungsbehälter, Verfahren zu seiner Herstellung und seine Verwendung beim aseptischen Verpacken - Google Patents

Verpackungsbehälter, Verfahren zu seiner Herstellung und seine Verwendung beim aseptischen Verpacken Download PDF

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Publication number
EP1044889B1
EP1044889B1 EP00201305A EP00201305A EP1044889B1 EP 1044889 B1 EP1044889 B1 EP 1044889B1 EP 00201305 A EP00201305 A EP 00201305A EP 00201305 A EP00201305 A EP 00201305A EP 1044889 B1 EP1044889 B1 EP 1044889B1
Authority
EP
European Patent Office
Prior art keywords
container
packaging
inner container
support
packaging container
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.)
Expired - Lifetime
Application number
EP00201305A
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English (en)
French (fr)
Other versions
EP1044889A1 (de
Inventor
Jan Lucas Kuiper
Patrick Hendricus Jacobus De Groot
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.)
Stork Food and Dairy Systems BV
Original Assignee
Stork Food and Dairy Systems BV
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Filing date
Publication date
Application filed by Stork Food and Dairy Systems BV filed Critical Stork Food and Dairy Systems BV
Publication of EP1044889A1 publication Critical patent/EP1044889A1/de
Application granted granted Critical
Publication of EP1044889B1 publication Critical patent/EP1044889B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/048—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid and the outer container being of curved cross-section, e.g. cylindrical
    • B65D77/0486—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid and the outer container being of curved cross-section, e.g. cylindrical the inner container being coaxially disposed within the outer container

Definitions

  • the present invention relates to a double-walled packaging container for use as packaging in the aseptic packaging of products, in particular products which are susceptible to decay.
  • packaging In today's hectic society, also under the influence of constantly progressing individualization, there is a need for food products which are easy to prepare and use and are supplied in disposable packaging. If possible, the packaging itself is used as a container for preparation and consumption. Packaging of this nature is used, for example, for packaging products which are susceptible to decay, such as soups, dairy drinks, baby food and pet food. Usually, the content is sufficient for one person or a small number of people.
  • a container for liquid food products which is known from JP-A-63-102935 comprises a double-walled container with an inner container which is made from multiple layers of polypropylene and is attached to the top edge of an outer support container made from propylene polymer containing inorganic filler, so that there is a space which is closed off from the atmosphere situated between the inner container and the support container. After it has been filled with the product, the inner container is sealed with an easy-to-open closure in order to protect the product situated in the inner container from undesirable external influences.
  • This known container is used for packaging food products, such as soups, which are introduced into the inner container, after which the inner container is provided with the easy-to-open closure. Then, the product which has been packaged in this way is sterilized.
  • the specific materials from which this known container is made provide it with a good heat resistance, as is required for (retort) sterilization and heating in a microwave oven, as well as good thermal insulation properties, so that it is easy to handle after heating.
  • the object of the present invention is to provide a packaging container which can be used as packaging in the aseptic packaging of products, in particular products which are susceptible to decay, and in which thorough cleaning prior to filling is no longer required, in particular for the inside of the packaging container.
  • the double-walled packaging container comprises an outer support container with an open top side and an inner container which is closed on all sides and is made from one piece, the inner container being situated at least partially inside the support container and being attached, by means of a peripheral part, to the periphery of the open top side of the support container, so that there is a chamber which is closed to the environment located between the inside of the support container and the outside of the inner container.
  • the top side of the support container comprises a horizontal peripheral surface, to which a peripheral part of the inner container is attached. Attaching the inner container to the support container in this way is advantageous for the further processing of the packaging container during aseptic packaging, in particular if the top section of the inner container projects above the open top side of the support container, so that this section is easy to remove, as will likewise be explained in more detail below.
  • the packaging container according to the invention will also function as a drinking vessel
  • the inner container is advantageously situated entirely inside the support container and, by means of a peripheral section, is attached to the inside of the support container. After the inner container has been opened and filled, it will be impossible for the user to be hurt by the cut edge of the inner container while he is drinking, since a cut edge of this nature is situated on the inside of the support container.
  • This embodiment of the packaging container according to the invention in which the inner container is situated entirely inside the support container, has the additional advantage that the risk of damage to the inner container, for example during transportation and storage prior to filling, is low since there are no projecting parts of the inner container. Damage of this nature would affect the sterility of the inner container, which is undesirable. Furthermore, an additional advantage is that this embodiment is easy to stack and therefore to transport.
  • the inner container is filled with an inert gas or sterilized air while it is being manufactured.
  • the inner container is under excess pressure. This excess pressure provides a simple tool for checking, immediately prior to aseptic packaging, whether the inner container has been damaged during storage and transportation, causing the sterility to be lost.
  • any suitable technique such as hot-welding or conventional adhesive bonding, can be used to attach the inner container to the outer support container. This partly depends on the materials used for the support container and the inner container. If the product with which the container is to be filled has to be heated in order to be consumed, the packaging material is preferably able to withstand microwave radiation.
  • the various components of the packaging container according to the invention are made from plastics material, polyethylene being preferred as the material for the inner container, while (transparent) polyethylene terephthalate is preferred for the outer support container, so that a label or the like can be arranged in the closed chamber which is present between the two containers, on the inside of the outer support container, which label or the like cannot easily be damaged due to its protected position.
  • the shape of the support container is not critical, and nor is that of the inner container, provided that they allow a closed chamber to be present between the two containers. This means that every manufacturer of packaged products can select his own shape. Moreover, the shape can be adapted to the packaged product and/or the method of preparation and/or method of consumption. By way of example, for dairy drinks and soups the support container may be provided with a lug. While the shape of the inner container remains constant - in other words if the same blow mould is used for the manufacture of the inner container - various support containers are suitable and can each be manufactured by means of a different production technique. The advantages of this are, inter alia, the considerable freedom to choose both the manufacturing technology and the shape of the support container, also with regard to the production costs.
  • the packaging container according to the invention is suitable for many types of products. Specific examples of food products of this nature which may be mentioned are chicken, tomatoes, beans, mushrooms, etc.
  • the present invention also relates to a method for the manufacture of a packaging container according to the invention, as defined in claim 13.
  • the invention also relates to a method for the aseptic packaging of products in a packaging container according to the invention, which method comprises the following steps, carried out under aseptic conditions:
  • this packaging method according to the present invention is carried out under aseptic conditions, i.e. there can and must be no contamination to the packaging, in particular the inner container and the product to be packaged, during the opening, filling and sealing.
  • Devices which are suitable for this purpose are available, inter alia, from the present applicant.
  • the inner container is opened, preferably by the top section of the inner container being removed, during which process it is ensured that the closed chamber remains intact.
  • the inner container is made accessible and is then filled with the appropriate product.
  • the top side of the support container and inner container is sealed in a manner which is known per se to those skilled in the art, for example by sealing with a hot-weldable aluminium foil.
  • a lid for example a click-on lid, can be placed over this seal, in order to protect the vulnerable seal from damage.
  • the packaging container according to the invention will undergo a number of preparatory steps, as defined in claim 16, prior to the aseptic filling by the manufacturer.
  • the outside of the packaging container is preferably cleaned with a sterilizing/disinfecting agent, such as hydrogen peroxide. It is then tested whether the closed inner container has remained leaktight during transportation and/or storage, for example by measuring the pressure in the inner container. If it is found that the excess pressure of the inner container has been lost or is lower than the original pressure applied during blow moulding, the packaging container is unusable and it is removed from the packaging process.
  • the removal of the top section of the inner container may be brought about using customary means, such as for example by cutting with a sharp blade.
  • the packaging container according to the invention is a product from which an object corresponding to the container in accordance with the above-described Japanese patent application can be manufactured.
  • the closed inner container 4 is made from one piece by means of blow moulding, in which a body in the form of a bag, known as a parison, is blown from a continuous stream of plastics material, the free ends being pressed together and thus sealed at the end of the blowing operation.
  • a top section 9 of the inner container 4 projects above the top edge 6 of the support container 2.
  • this projecting section 9 is cut off along the peripheral edge 5 and 6, so that there remains a good attachment position for a seal which is to be fitted subsequently, after filling, and is not shown in Fig. 1.
  • the cutting points are indicated by arrows A in the figure.
  • Fig. 2 shows a second embodiment of a double-walled packaging container according to the invention, the components of which are provided with the same reference numerals as in Fig. 1 + 20.
  • the packaging container 21 comprising a support container 22 and inner container 24, does not have any parts which project beyond the contours of the support container 22.
  • the inner container 24 is situated entirely inside the support container 22 and is attached to the inside thereof in the vicinity of the top edge 26.
  • its base 30 is attached to the base 31 of the support container 22 by means of adhesive bonding.
  • a dashed line indicates a seal 32 which, after the top section 29 has been removed and the container has been filled with a product, is used to reclose the packaging container 21.
  • the cutting points are in this case indicated by arrows B.
  • Fig. 3 shows a third embodiment of a packaging container according to the invention, the components of which are denoted by the same reference numerals as in Fig. 1 + 40.
  • support means 53 are provided in the chamber 47, for the purpose of supporting the base 50 of the inner container 44, so that the construction is rigid and strong.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Buffer Packaging (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Claims (21)

  1. Doppelwandiger Verpackungsbehälter (1; 21; 41) zum Gebrauch als Verpackung beim aseptischen Verpacken von Produkten, insbesondere Produkten, die zersetzungsanfällig sind, wobei der Verpackungsbehälter (1; 21; 41) einen äußeren Stützbehälter (2; 22; 42) mit einer offenen Oberseite (3; 23; 43) und einen inneren Behälter (4; 24; 44) aufweist, der allseitig geschlossen und aus einem Stück hergestellt ist, wobei sich der innere Behälter (4; 24; 44) zumindest teilweise im Inneren des Stützbehälters (2; 22; 42) befindet und durch ein Umfangsteil (5; 25; 45) am Umfang der offenen Oberseite (3; 23; 43) des Stützbehälters (2; 22; 42) angebracht ist, so daß sich eine Kammer (7, 27; 47), die gegenüber der Umgebung geschlossen ist, zwischen der Innenseite des Stützbehälters (2; 22; 42) und der Außenseite des inneren Behälters (4; 24, 44) befindet.
  2. Verpackungsbehälter nach Anspruch 1, dadurch gekennzeichnet, daß die Oberseite des Stützbehälters (2) eine horizontale Umfangsoberfläche (6) aufweist, an der ein Umfangsteil (5) des inneren Behälters (4) angebracht ist.
  3. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der obere Abschnitt (9) des inneren Behälters (4) über die offene Oberseite (3) des Stützbehälters (2) vorspringt.
  4. Verpackungsbehälter nach Anspruch 1, dadurch gekennzeichnet, daß sich der innere Behälter (24) vollständig im Inneren des Stützbehälters (22) befindet und durch einen Umfangsabschnitt (25) an der Innenseite des Stützbehälters (22) angebracht ist.
  5. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der innere Behälter (4; 24; 44) durch eine Haftverbindung an dem äußeren Stützbehälter (2; 22; 42) angebracht ist.
  6. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Verpackungsbehälter (41) mit einer Stützeinrichtung (53) zum Stützen des inneren Behälters (44) in dem Stützbehälter (42) versehen ist.
  7. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der innere Behälter (4; 24; 44) durch Blasformen hergestellt ist.
  8. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der innere Behälter (4; 24; 44) mit einem Inertgas oder steriler Luft gefüllt ist.
  9. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der innere Behälter (4; 24; 44) unter Überdruck steht.
  10. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützbehälter (2; 22; 42) und der innere Behälter (4; 24; 44) aus Kunststoff bestehen.
  11. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützbehälter (2; 22; 42) aus Polyethylenterephthalat besteht.
  12. Verpackungsbehälter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der innere Behälter (4; 24; 44) aus Polyethylen besteht.
  13. Verfahren zum Herstellen eines Verpackungsbehälters (1; 21; 41) nach einem der vorhergehenden Ansprüche, wobei das Verfahren die folgenden Schritte aufweist: Vorsehen eines äußeren Stützbehälters (2; 22; 42), Vorsehen eines inneren Behälters (4; 24; 44), der allseitig geschlossen und aus einem einzigen Stück hergestellt ist, und Anbringen eines Umfangsteils (5; 25; 45) des inneren Behälters (4; 24; 44) am gesamten Umfang der offenen Oberseite (3; 23; 43) des Stützbehälters (2; 22; 42) derart, daß eine geschlossene Kammer (7; 27; 47) zwischen der Innenseite des Stützbehälters (2; 22; 42) und der Außenseite des inneren Behälters (4; 24; 44) gebildet wird.
  14. Verfahren zum aseptischen Befüllen und Verpacken von Produkten in einem Verpackungsbehälter (1; 21; 41) nach einem der vorhergehenden Ansprüche 1 bis 12, wobei das Verfahren die folgenden Schritte aufweist, die unter aseptischen Bedingungen ausgeführt werden:
    c) Öffnen des inneren Behälters (4; 24; 44), so daß der innere Behälter (4; 24; 44) zugänglich wird;
    d) Befüllen des inneren Behälters (4; 24; 44) mit dem Produkt, und
    e) dichtes Verschließen des inneren Behälters (4; 24; 44) unter Verwendung einer Abdichtung (32).
  15. Verfahren nach Anspruch 14, dadurch gekennzeichnet, daß Schritt c) das Entfernen des oberen Abschnitts (9; 29; 49) des inneren Behälters (4) aufweist.
  16. Verfahren nach Anspruch 14 oder 15, dadurch gekennzeichnet, daß das Verfahren die folgenden Vorbereitungsschritte aufweist, die vor Schritt c) ausgeführt werden:
    a) der Verpackungsbehälter (1; 21; 41) wird einem Sterilisation-/Desinfektionsmittel ausgesetzt, und
    b) die Leckdichtheit des inneren Behälters (4; 24; 44) wird geprüft.
  17. Verfahren nach einem der vorhergehenden Ansprüche 14 bis 16, dadurch gekennzeichnet, daß das Verfahren den folgenden zusätzlichen Schritt aufweist: Anordnen einer Abdeckung über der Abdichtung (32).
  18. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Abdichtung (32) aus Aluminiumfolie besteht, die mit dem Umfangsrand (6; 26; 46) der Oberseite des Stützbehälters (2; 22; 42) und/oder dem Umfangsrand (5; 45) des inneren Behälters (4; 44) heißverschweißt ist.
  19. Verwendung eines geschlossenen inneren Behälters (4; 24; 44), der aus einem Stück hergestellt ist, in einem Verpackungsbehälter (1; 21; 41) nach einem der Ansprüche 1 bis 12.
  20. Verwendung eines Behälters nach Anspruch 19, dadurch gekennzeichnet, daß der Behälter (4; 24; 44) mit einem Inertgas oder steriler Luft gefüllt ist.
  21. Verwendung eines Behälters nach Anspruch 19 oder 20, dadurch gekennzeichnet, daß der Behälter (4; 24; 44) unter Überdruck steht.
EP00201305A 1999-04-14 2000-04-11 Verpackungsbehälter, Verfahren zu seiner Herstellung und seine Verwendung beim aseptischen Verpacken Expired - Lifetime EP1044889B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1011798A NL1011798C2 (nl) 1999-04-14 1999-04-14 Verpakkingshouder, werkwijze voor het vervaardigen daarvan, alsmede toepassing bij het aseptisch verpakken van producten.
NL1011798 1999-04-14

Publications (2)

Publication Number Publication Date
EP1044889A1 EP1044889A1 (de) 2000-10-18
EP1044889B1 true EP1044889B1 (de) 2004-03-31

Family

ID=19769014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00201305A Expired - Lifetime EP1044889B1 (de) 1999-04-14 2000-04-11 Verpackungsbehälter, Verfahren zu seiner Herstellung und seine Verwendung beim aseptischen Verpacken

Country Status (5)

Country Link
EP (1) EP1044889B1 (de)
AT (1) ATE263084T1 (de)
DE (1) DE60009379T2 (de)
ES (1) ES2218061T3 (de)
NL (1) NL1011798C2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007014277U1 (de) * 2007-10-11 2007-12-13 Kaiserdom-Privatbrauerei Bamberg Wörner GmbH & Co. KG Behälteranordnung
WO2010092605A1 (en) * 2009-02-13 2010-08-19 Silvio Di Marzio Disposable container for fast food
USD856748S1 (en) 2017-08-17 2019-08-20 Yeti Coolers, Llc Lid
USD839056S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
USD839054S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
US11072469B1 (en) 2017-08-17 2021-07-27 Yeti Coolers, Llc Container and lid
USD839055S1 (en) 2017-08-17 2019-01-29 Yeti Coolers, Llc Container
USD878166S1 (en) 2018-04-11 2020-03-17 Yeti Coolers, Llc Container
USD888508S1 (en) 2018-04-11 2020-06-30 Yeti Coolers, Llc Container
USD887793S1 (en) 2018-04-11 2020-06-23 Yeti Coolers, Llc Container
USD885903S1 (en) 2018-04-11 2020-06-02 Yeti Coolers, Llc Lid
USD888509S1 (en) 2018-04-11 2020-06-30 Yeti Coolers, Llc Container
USD878163S1 (en) 2018-04-11 2020-03-17 Yeti Coolers, Llc Container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1324660A (en) * 1969-09-30 1973-07-25 Sprinter Pack Ab Container with lid for liquids especially carbonized beverages
JPS63102935A (ja) 1986-10-20 1988-05-07 昭和電工株式会社 食品用容器

Also Published As

Publication number Publication date
DE60009379T2 (de) 2004-12-23
DE60009379D1 (de) 2004-05-06
EP1044889A1 (de) 2000-10-18
ES2218061T3 (es) 2004-11-16
NL1011798C2 (nl) 2000-10-17
ATE263084T1 (de) 2004-04-15

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