WO1988007472A1 - Procede de production d'un emballage pour aliments - Google Patents

Procede de production d'un emballage pour aliments Download PDF

Info

Publication number
WO1988007472A1
WO1988007472A1 PCT/FI1988/000041 FI8800041W WO8807472A1 WO 1988007472 A1 WO1988007472 A1 WO 1988007472A1 FI 8800041 W FI8800041 W FI 8800041W WO 8807472 A1 WO8807472 A1 WO 8807472A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
supporting structure
films
package
combination
Prior art date
Application number
PCT/FI1988/000041
Other languages
English (en)
Inventor
Heikki Uusitalo
Original Assignee
Amerplast Oy
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
Priority claimed from FI871348A external-priority patent/FI871348A0/fi
Application filed by Amerplast Oy filed Critical Amerplast Oy
Publication of WO1988007472A1 publication Critical patent/WO1988007472A1/fr
Priority to NO885264A priority Critical patent/NO885264D0/no
Priority to DK657388A priority patent/DK657388D0/da

Links

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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • B65D25/16—Loose, or loosely-attached, linings
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • 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
    • B65D81/34—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 foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/343—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 foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated in a conventional oven, e.g. a gas or electric resistance oven
    • 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
    • B65D81/34—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 foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—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 foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups

Definitions

  • the present invention relates to a method for the pro ⁇ duction of a food package as set forth in the preamble of claim 1.
  • a food package produced by the application of a method of the invention is intended to be used especially as a package for so-called processed foods.
  • An increasing tendency in modern foodstuffs industry is to supply the consumers with foodstuffs processed as far as pos ⁇ sible.
  • Critical factors include food package manufacturing technique, package properties and simpli ⁇ city in use.
  • a food package especially a food package containing processed food: cold resistance (deep-freezing quality) , heat resistance (conventional oven, microwave oven) , storage and handling properties, mechanical strength and qualities having to do with actual serving and eat ⁇ ing.
  • the requirements set for materials used especial ⁇ ly as- plastic films or sheets in food packages include e.g. film joining properties (e.g. hot-sealing proper ⁇ ties), possibility of film shaping (e.g. deep drawing) etc.
  • the materials used in food packages in addition to plastic films should be capable of providing a ne ⁇ cessary mechanical strength.
  • the package space confined by plastic films should be capable of withstanding treatments improving the shelf life of a foodstuff, such as e.g. protective gas filling, pas ⁇ teurization or sterilization.
  • Publication WO 86/04880 discloses a package, comprising a combination of a first film and a supporting struc ⁇ ture joined together by a deep-drawing technique as well as a second film attached to the combination and serving as a cover.
  • the supporting structure is not an independently shape-retaining, sufficiently rigid package space forming structure, but said first film joins the supporting structure wall portions and floor together for an assembly in the shape of a package space during the building of such combination.
  • the second film is attached to the combination after it has been assembled.
  • An object of this invention is to introduce a method for the production of a food package meeting the above requirements, mainly characterized by the following steps:
  • the package space of a combination formed by the first and second films can be subjected to at least one treatment, such as a protective gas treatment, pasteu ⁇ rization or sterilization prior to joining the combi ⁇ nation to a supporting structure, whereby the support ⁇ ing structure is not damaged during such treatment.
  • at least one treatment such as a protective gas treatment, pasteu ⁇ rization or sterilization prior to joining the combi ⁇ nation to a supporting structure, whereby the support ⁇ ing structure is not damaged during such treatment.
  • a supporting structure as ell as a combination formed by the first and second films be joined together at an edge joint between said films.
  • fig. 1 is a so-called exploded view of one embodiment of a package of the invention
  • fig. 2 is a cross-sectional view of the package shown in fig. 1 including further two partial enlarge ⁇ ments of the package walls,
  • fig. 3 is a perspective view of an embodiment of a package of the invention, whose package space comprises two compartments for different food products, and
  • fig. 4 is a diagrammatic sketch of -a packing sequence.
  • reference numeral 1 designates a first film, made of a plastics material.
  • This film is shaped, preferably deep drawn, so as to include at least one compartment 1 * for a food product contained in the package.
  • the shaped portion, its flanges are provided with a lap 1" as part of the first film.
  • the first film 1 is manufactured and shaped during the first step of food package production.
  • the second step comprises placing a food product E inside compart ⁇ ment 1 * .
  • compartment 1 ' is sealed with a second film 2, serving as a cover film and made of a plastics material, or the sealing is effected with some other cover material.
  • the sealing is effect ⁇ ed between the edge portion 2" of second film 2 and the lap 1" of first film 1 for- providing an edge joint, shown particularly in figs. 2 and 3.
  • the central port ⁇ ion 2' of second film 2 can be flat, as in fig. 1, or it can be more or less shaped e.g. by deep drawing the same way as first film 1.
  • said first 1 and second 2 films provide a combination in the form of a sealed elastic package whose interior comprises a package space 4 for a food product/food products E.
  • this combination is preferably subjected to various types of treatments, such as protective-gas filling.
  • treatments such as protective-gas filling.
  • One possibility here is e.g. vacuum filling technique. This is possible for the reason that, at this stage, the combination can be deflated since the plastic films are resilient and possible deformations at this time bear no significance as to the final qualities of a package.
  • the air can be exhausted from package space 4 and vacuum filling technique can be applied to fill said package space 4 with an inert protective gas.
  • Combination 1 , 2 returns to its original shape after the vacuum filling.
  • Similar treatments include pas ⁇ teurization and sterilization for improving the shelf life of a food product contained in package space 4.
  • These treatments can be preferably effected just at this stage as combination 1 , 2 is still in a resilient condition and the treatment is not restricted by the properties of a supporting structure, nor is the sup ⁇ porting structure damaged as a result of such treatment.
  • the combination in the form of an elastic package consisting of first 1 and second 2 films is placed inside the shaped portion 5' of a supporting structure 5 in a manner that the shaped first film portion fits into the corresponding portion of supporting structure 5.
  • the shaped supporting struc ⁇ ture portion 5' and said shaped compartment 1 * of first film 1 are substantially of equal size, so the lap 1" of film 1 lays itself upon a shoulder, preferably a flange 5" surrounding the shaped portion of supporting structure 5.
  • join ⁇ ing between the combination formed by first 1 and sec ⁇ ond 2 films and supporting structure joint 6, especial ⁇ ly in fig. 2 .
  • Dot-shaped and/or line-shaped junctions 7 can be provided on the shaped supporting structure portion 5' between supporting structure 5 and first film 1.
  • said films 1 and 2 can be optionally made of various materials. Particularly, if hot sealing is used for a joint 3, the films will be selected in a manner that films 1 and 2 join together and film 1 joins also to the supporting structure. If one of the above joints is effected by gluing, there will be more possibilities of selecting the films.
  • a bottom corner of the food package is shown enlarged in detail B of fig. 2. This illustrates dot-shaped or line-shaped junctions 7 between supporting struc ⁇ ture 5 and first film 1 for effecting a possibly ne ⁇ cessary attachment of irst film 1 to the shaped port ⁇ ion 5' of supporting structure 5.
  • the supporting structure 5 can be fabricated by using cardboard, paperboard or plastics.
  • the supporting structure can be a pre-made cardboard box or tray whose material comprises cardboard or paperboard, possibly coated with a hot-sealing layer of plastics (PET) .
  • PET hot-sealing layer of plastics
  • the supporting structure can also be obtained by using an erectable package which is assembled to its final form prior to fitting a combination formed by films 1 and 2 inside the supporting structure. The assembly is effected by applying a gluing, clamp-hook or a like technique from cardboard or paperboard.
  • the support ⁇ ing structure can also be shaped by press moulding or deep drawing.
  • the supporting structure material can be selected and its shaping effected according to the intended use of a food package.
  • An essential feature of supporting structure 5 is to provide a necessary mechanical protection for a possibly processed food product placed inside the combination formed by films 1 and 2 and to allow the utilization of " such support- ing structure at the time when a food package is used e.g. as a plate or other base.
  • the supporting struc ⁇ ture need not possess liquid or gas tightness qualities.
  • film 2 can be provided with a tear-off indication 8, whereat the removal of a cover-film serving second film 2 can be initiated for consuming the food products.
  • a combination formed by films 1 and 2 is divided into two compartments by means of a partition 9.
  • the shaped portion of film 1 includes a folding lap, extending from the floor up to cover film 2 and joined thereto, said partition 9 being fitted therebetween. It is obvious that the package can include even more compartments whenever necessary.
  • Preferable applications may include various pies, such as meat and Karelian pies, pizzas, ready-made food portions, processed baking dishes, soups etc., either deep-frozen or fresh.
  • Food products can be pre-cooked or uncooked as the case may be.
  • films 1 and 2 especially for food packages intended for microwave ovens and/or conventional ovens can be the following combined film structure.
  • said films 1 and 2 can be provided with amorphous, crystallizable polyester (PET) . Since this type of plastic is well sealable with heat and deep drawable, it will soften and go shapeless by it ⁇ self at a temperature of 100°C to 130 C.
  • PET amorphous, crystallizable polyester
  • the result will be a composite film capable of resisting high temperatures (150 C to 250°C) since during the thermal treatment of a food package the polyester crystallizes on the surface of a carrier layer as a high temperature resistant film.
  • the above layers can be joined together by laminating, co- extruding or coating.
  • the surfaces of carrier films can be treated with a heat-resistant lacquer, if ne ⁇ cessary.
  • Fig. 4 illustrates schematically the method sequence, the reference numerals corresponding to those used in figs. 1 to 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

Un emballage pour aliments comprend une première pellicule (1) façonnée de préférence par emboutissage profond, qui comprend au moins un compartiment (1') destiné à un produit alimentaire contenu dans l'emballage. Celui-ci comprend en outre une seconde pellicule (2) servant de couvercle, lesdites pellicules (1 et 2) étant jointes l'une à l'autre de façon à former un espace d'emballage (4) pour un produit alimentaire (E). Cet espace est fermé hermétiquement par un joint à bride (3). Ledit emballage comprend également une structure de support (5) à l'intérieur de laquelle est placée en substance la première pellicule (1) et à laquelle est fixée une combinaison formée par la première pellicule (1) et la seconde pellicule (2).
PCT/FI1988/000041 1987-03-27 1988-03-22 Procede de production d'un emballage pour aliments WO1988007472A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO885264A NO885264D0 (no) 1987-03-27 1988-11-25 Framgangsmÿte for produksjon av en matpakning.
DK657388A DK657388D0 (da) 1987-03-27 1988-11-25 Fremgangsmaade til fremstilling af en foedevareemballage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI871348A FI871348A0 (fi) 1987-03-27 1987-03-27 Foerpackning foer livsmedel.
FI871348 1987-03-27
FI881056A FI881056A (fi) 1987-03-27 1988-03-08 Foerfarande foer tillverkning av livsmedelsfoerpackning.
FI881056 1988-03-08

Publications (1)

Publication Number Publication Date
WO1988007472A1 true WO1988007472A1 (fr) 1988-10-06

Family

ID=26158116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1988/000041 WO1988007472A1 (fr) 1987-03-27 1988-03-22 Procede de production d'un emballage pour aliments

Country Status (3)

Country Link
EP (1) EP0310641A1 (fr)
FI (1) FI881056A (fr)
WO (1) WO1988007472A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014294A1 (fr) * 1989-05-18 1990-11-29 Robinson & Sons Limited Recipient d'emballage
EP0462767A2 (fr) * 1990-06-18 1991-12-27 Kraft Foods, Inc. Emballage pour four à micro-ondes
FR2707960A1 (fr) * 1993-07-23 1995-01-27 Madrange Conditionnement destiné aux produits alimentaires, notamment les terrines et pâtés, ayant des propriétés isothermes, mais permettant une cuisson rapide du contenu.
GB2314311A (en) * 1996-06-17 1997-12-24 Oyalves S L Packaging fish in trays
GB2397508A (en) * 2003-01-24 2004-07-28 Kraft Foods R & D Inc Cartridge system for the preparation of beverages
FR2860215A1 (fr) * 2003-09-26 2005-04-01 Logiplast Recipient destine a contenir du liquide alimentaire
EP1747880A1 (fr) * 2005-07-28 2007-01-31 Multivac Sepp Haggenmüller GmbH & Co. KG Dispositif et méthode pour appliquer une paroi à un conteneur et conteneur avec une paroi appliquée
DE102011120949A1 (de) * 2011-07-06 2013-01-10 Cfs Germany Gmbh,Niederlassung Csf Wallau Verpackungsmaschine mit einem Mittel zur Befestigung einer Einlage an einem Strukturelement
US8771768B2 (en) 2007-11-09 2014-07-08 Kraft Foods R & D, Inc. Beverage cartridge
US8852659B2 (en) 2003-01-24 2014-10-07 Kraft Food R & D, Inc. Cartridge for the preparation of beverages
US9101163B2 (en) 2009-03-27 2015-08-11 Kraft Foods R & D, Inc. Sealed cartridge containing beverage concentrates
GR1010043B (el) * 2020-04-10 2021-08-13 Αθανασιος Δ. Κουκουταρης Α.Ε.Β.Ε. Συσκευασια ευκαμπτου φιλμ για ψησιμο/ζεσταμα προϊοντος ζυμης απο την καταψυξη σε φουρνο ή μικροκυματα χωρις διαχωρισμο απο το προϊον

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438089A (en) * 1946-08-27 1948-03-16 Wingfoot Corp Packaging
GB1184483A (en) * 1966-02-09 1970-03-18 Mahaffy & Harder Eng Co Packaging Method and Apparatus
DE2211659A1 (de) * 1972-03-10 1973-09-20 Melzer Ohg Maschf Kunststoffverpackungsbehaelter
US3938730A (en) * 1973-07-21 1976-02-17 Lever Brothers Company Food container
GB1548482A (en) * 1976-06-18 1979-07-18 Insta Cup Inc Apparatus for filling and closing containers and for assembling said containers with cups
WO1986004880A1 (fr) * 1985-02-22 1986-08-28 Aldo Artusi Recipient, en particulier pour le transport de produits alimentaires
EP0196799A1 (fr) * 1985-03-11 1986-10-08 Redfearn Flexpack Limited Emballage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438089A (en) * 1946-08-27 1948-03-16 Wingfoot Corp Packaging
GB1184483A (en) * 1966-02-09 1970-03-18 Mahaffy & Harder Eng Co Packaging Method and Apparatus
DE2211659A1 (de) * 1972-03-10 1973-09-20 Melzer Ohg Maschf Kunststoffverpackungsbehaelter
US3938730A (en) * 1973-07-21 1976-02-17 Lever Brothers Company Food container
GB1548482A (en) * 1976-06-18 1979-07-18 Insta Cup Inc Apparatus for filling and closing containers and for assembling said containers with cups
WO1986004880A1 (fr) * 1985-02-22 1986-08-28 Aldo Artusi Recipient, en particulier pour le transport de produits alimentaires
EP0196799A1 (fr) * 1985-03-11 1986-10-08 Redfearn Flexpack Limited Emballage

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014294A1 (fr) * 1989-05-18 1990-11-29 Robinson & Sons Limited Recipient d'emballage
US5178294A (en) * 1989-05-18 1993-01-12 Robinson & Sons Ltd. Packaging container
AU635748B2 (en) * 1989-05-18 1993-04-01 Robinson & Sons Limited Packaging container
EP0462767A2 (fr) * 1990-06-18 1991-12-27 Kraft Foods, Inc. Emballage pour four à micro-ondes
EP0462767A3 (en) * 1990-06-18 1992-08-26 Kraft General Foods, Inc. Microwavable package
FR2707960A1 (fr) * 1993-07-23 1995-01-27 Madrange Conditionnement destiné aux produits alimentaires, notamment les terrines et pâtés, ayant des propriétés isothermes, mais permettant une cuisson rapide du contenu.
GB2314311A (en) * 1996-06-17 1997-12-24 Oyalves S L Packaging fish in trays
GB2397508A (en) * 2003-01-24 2004-07-28 Kraft Foods R & D Inc Cartridge system for the preparation of beverages
GB2397508B (en) * 2003-01-24 2004-12-22 Kraft Foods R & D Inc Cartridge system for the preparation of beverages and method of manufacturing said system and method of manufacturing said system
US9451847B2 (en) 2003-01-24 2016-09-27 Koninklijke Douwe Egberts B.V. Cartridge and method for the preparation of beverages
US10676273B2 (en) 2003-01-24 2020-06-09 Koninklijke Douwe Egberts B.V. Cartridge and method for the preparation of beverages
US10442611B2 (en) 2003-01-24 2019-10-15 Koninklijke Douwe Egberts B.V. Machine for the preparation of beverages
US8852659B2 (en) 2003-01-24 2014-10-07 Kraft Food R & D, Inc. Cartridge for the preparation of beverages
US9994388B2 (en) 2003-01-24 2018-06-12 Koninklijke Douwe Egberts B.V. Cartridge and method for the preparation of beverages
FR2860215A1 (fr) * 2003-09-26 2005-04-01 Logiplast Recipient destine a contenir du liquide alimentaire
EP1747880A1 (fr) * 2005-07-28 2007-01-31 Multivac Sepp Haggenmüller GmbH & Co. KG Dispositif et méthode pour appliquer une paroi à un conteneur et conteneur avec une paroi appliquée
US9828153B2 (en) 2007-11-09 2017-11-28 Koninklijke Douwe Egberts B.V. Beverage cartridge
US8771768B2 (en) 2007-11-09 2014-07-08 Kraft Foods R & D, Inc. Beverage cartridge
US9113654B2 (en) 2009-03-27 2015-08-25 Kraft Foods R & D, Inc. Beverage concentrates
US9101163B2 (en) 2009-03-27 2015-08-11 Kraft Foods R & D, Inc. Sealed cartridge containing beverage concentrates
DE102011120949A1 (de) * 2011-07-06 2013-01-10 Cfs Germany Gmbh,Niederlassung Csf Wallau Verpackungsmaschine mit einem Mittel zur Befestigung einer Einlage an einem Strukturelement
GR1010043B (el) * 2020-04-10 2021-08-13 Αθανασιος Δ. Κουκουταρης Α.Ε.Β.Ε. Συσκευασια ευκαμπτου φιλμ για ψησιμο/ζεσταμα προϊοντος ζυμης απο την καταψυξη σε φουρνο ή μικροκυματα χωρις διαχωρισμο απο το προϊον

Also Published As

Publication number Publication date
FI881056A (fi) 1988-09-28
EP0310641A1 (fr) 1989-04-12
FI881056A0 (fi) 1988-03-08

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