EP0499647B1 - Packaging for food product - Google Patents

Packaging for food product Download PDF

Info

Publication number
EP0499647B1
EP0499647B1 EP90118804A EP90118804A EP0499647B1 EP 0499647 B1 EP0499647 B1 EP 0499647B1 EP 90118804 A EP90118804 A EP 90118804A EP 90118804 A EP90118804 A EP 90118804A EP 0499647 B1 EP0499647 B1 EP 0499647B1
Authority
EP
European Patent Office
Prior art keywords
web
precut
packaging
top web
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.)
Expired - Lifetime
Application number
EP90118804A
Other languages
German (de)
French (fr)
Other versions
EP0499647A1 (en
Inventor
Solveig Aronsson
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.)
Societe des Produits Nestle SA
Nestle SA
Original Assignee
Societe des Produits Nestle SA
Nestle SA
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 Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Priority to AT90118804T priority Critical patent/ATE116620T1/en
Priority to EP90118804A priority patent/EP0499647B1/en
Priority to DE69015826T priority patent/DE69015826T2/en
Publication of EP0499647A1 publication Critical patent/EP0499647A1/en
Application granted granted Critical
Publication of EP0499647B1 publication Critical patent/EP0499647B1/en
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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5844—Tear-lines provided in a wall portion for tearing out a portion of the wall the portion of the wall being a narrow strip, e.g. between lines of weakness

Definitions

  • the invention relates to a packaging for food products useful for boil-in-bag or microwave.
  • US-A-3 373 926 concerns also a pouch containing for example potato chips and comprising a sealing strip for joining the edge portions of the tube formed for receiving the food product and a sealing for separating successive pouches.
  • the great drawback of this system is the danger of having leakages at the position of the sealings, which renders this type of solution not absolutely accurate.
  • the same drawback is to be considered with the container according to EP-A-359 847 and concerning a package with an easy opening device comprising a non-sealed portion, which can affect the security of the sealing.
  • DE-A-3700988 concerns a plastic packaging with a glue opening system: in this package, there is no absolute necessity of having a good sealing.
  • the invention provides a packaging comprising a sealed flexible pouch with a thermoformed bottom web and a top web of a monooriented material,said top web comprising a precut, which operates as starting pull tab for the opening, as shown in EP-A-359 847, and wherein one part of the top web consists of two layers sealed together on their edges, the precut being between these edges, in the outer layer and present transversely to the orientation of the film of said layer and the flexible pouch comprises at the two opposite ends handles, each stiffened with a strip of material.
  • the pull tab starts a tear strip without any weakening line in the material used.
  • the package according to the invention can be used for frozen products as well as for chilled products.
  • the package is used in a microwave, one has from the precut in the outer layer to pull the tab across the seal joining both layers to allow for ventilation, avoiding therefore any risk of exploding the package.
  • the package stays closed and the tab is pulled after final reheating.
  • the flexible pouch comprises at opposite ends handles each stiffened with a strip of material. These strips are of high density Polyethylene. After heating and opening for instance the package, the help of the handles gives the opportunity to empty the pouch very easily by inverting it and the food product leaves the pouch.
  • the precut in the outer layer is present transversely to the orientation of the film of said web.
  • the width of the part with the two layers is of 1 to 2 cm, so that the opening is as large as possible for discharging the food product.
  • the precut is approximately in the middle of the edge of the flexible pouch.
  • the material of the top web is any oriented plastic used for the food contact and preferably a monooriented polyester or Polyamide laminated to Polyethylene.
  • the bottom web is made of Polyamide/Polyethylene, or any other formable material sealable on the top web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)
  • Package Specialized In Special Use (AREA)
  • Packages (AREA)

Abstract

The invention relates to a packaging for food product useful for boil-in-bag or microwave comprising a sealed flexible pouch with a thermoformed bottom web (2) and a top web (3) of a monooriented material, one part of the top web consisting of two layers (10, 13) sealed together and with a precut (8) in the outer layer (10) which operates as starting pull tab for the opening.

Description

  • The invention relates to a packaging for food products useful for boil-in-bag or microwave.
  • Packages for boil-in-bag are well known and are the most used in the frozen food area. These packages are cheap and comprise a sealed pouch, which have then to be opened with scissors when the food is heated. The obligation of using scissors is not very convenient.
  • US-A-3 373 926 concerns also a pouch containing for example potato chips and comprising a sealing strip for joining the edge portions of the tube formed for receiving the food product and a sealing for separating successive pouches. The great drawback of this system is the danger of having leakages at the position of the sealings, which renders this type of solution not absolutely accurate. The same drawback is to be considered with the container according to EP-A-359 847 and concerning a package with an easy opening device comprising a non-sealed portion, which can affect the security of the sealing. DE-A-3700988 concerns a plastic packaging with a glue opening system: in this package, there is no absolute necessity of having a good sealing.
  • We have devised a package for heating a food product, which is easy to handle, i.e. to open and empty without any danger of burning the fingers and which is useful also in microwave oven.
  • Accordingly, the invention provides a packaging comprising a sealed flexible pouch with a thermoformed bottom web and a top web of a monooriented material,said top web comprising a precut, which operates as starting pull tab for the opening, as shown in EP-A-359 847, and wherein one part of the top web consists of two layers sealed together on their edges, the precut being between these edges, in the outer layer and present transversely to the orientation of the film of said layer and the flexible pouch comprises at the two opposite ends handles, each stiffened with a strip of material.
  • Due to the monoorientation of the material the pull tab starts a tear strip without any weakening line in the material used.
  • The package according to the invention can be used for frozen products as well as for chilled products.
  • If the package is used in a microwave, one has from the precut in the outer layer to pull the tab across the seal joining both layers to allow for ventilation, avoiding therefore any risk of exploding the package.
  • If the package is used in boiling water, the package stays closed and the tab is pulled after final reheating.
  • The flexible pouch comprises at opposite ends handles each stiffened with a strip of material. These strips are of high density Polyethylene. After heating and opening for instance the package, the help of the handles gives the opportunity to empty the pouch very easily by inverting it and the food product leaves the pouch.
  • The precut in the outer layer is present transversely to the orientation of the film of said web. The width of the part with the two layers is of 1 to 2 cm, so that the opening is as large as possible for discharging the food product. The precut is approximately in the middle of the edge of the flexible pouch.
  • The material of the top web is any oriented plastic used for the food contact and preferably a monooriented polyester or Polyamide laminated to Polyethylene. The bottom web is made of Polyamide/Polyethylene, or any other formable material sealable on the top web.
  • The present invention will now be further illustrated by way of example only with reference to the accompanying drawings in which:
    • Fig. 1
    illustrates a side view of the package according to the invention,
    Fig. 2
    is a top view of the same package and
    Fig. 3
    is a cross section along line 3-3 of Fig. 2.
  • The package (1) comprises a thermoformed bottom web (2) and a top web (3) containing a food product (4). A sealing (5) closes the package. At the two opposite ends of the package, handles (6) are present for allowing a good handling of the package. These handles comprise further stiffened strips (7). The top web (3) comprises two layers in the part A and one layer in the part B. The precut (8) in the top layer (10) gives the opportunity to pull a strip which tears the sealing (9) in the area (11) and the opening is then achieved by pulling until the end of the strip (12), which gives a clear opening of the top web of the package. The bottom layer (13) remains as such in the package.
  • It is clear that before opening the package, it has to be reheated. After the opening, the package is inverted and folded for discharging the food product (4) contained therein.

Claims (6)

  1. Packaging for food product useful for boil-in-bag or microwave comprising a sealed flexible pouch with a thermoformed bottom web (2) and a top web (3) of a monooriented material, said top web comprising a precut (8), which operates as a starting pull tab for the opening, characterised in that one part of the top web consists of two layers (10, 13) sealed together on their edges, the precut being between these edges, in the outer layer and present transversely to the orientation of the film of said layer and in that the flexible pouch comprises at the two opposite ends handles (6), each stiffened with a strip (7) of material.
  2. Packaging according to claim 1, characterized in that the width of the part with the two layers (10, 13) is of 1 to 2 cm.
  3. Packaging according to claim 1, characterized in that the precut (8) is near to one edge of the flexible pouch and approximately in the middle of this edge.
  4. Packaging according to claim 1, characterized in that the top web (3) is made of a monooriented plastic film.
  5. Packaging according to claim 1, characterized in that the bottom web (2) is of formable plastic laminate.
  6. Packaging according to claim 1, characterised in that the stiffened material (7) is high density Polyethylene.
EP90118804A 1990-10-01 1990-10-01 Packaging for food product Expired - Lifetime EP0499647B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT90118804T ATE116620T1 (en) 1990-10-01 1990-10-01 FOOD PACKAGING.
EP90118804A EP0499647B1 (en) 1990-10-01 1990-10-01 Packaging for food product
DE69015826T DE69015826T2 (en) 1990-10-01 1990-10-01 Packaging for food.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90118804A EP0499647B1 (en) 1990-10-01 1990-10-01 Packaging for food product

Publications (2)

Publication Number Publication Date
EP0499647A1 EP0499647A1 (en) 1992-08-26
EP0499647B1 true EP0499647B1 (en) 1995-01-04

Family

ID=8204560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118804A Expired - Lifetime EP0499647B1 (en) 1990-10-01 1990-10-01 Packaging for food product

Country Status (3)

Country Link
EP (1) EP0499647B1 (en)
AT (1) ATE116620T1 (en)
DE (1) DE69015826T2 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6517879B2 (en) 1996-11-27 2003-02-11 Mars Incorporated Method and apparatus for ultrasonic molding
US6607765B2 (en) 1996-08-22 2003-08-19 Mars, Incorporated Ultrasonic forming of confectionery products
US6635292B2 (en) 2001-10-26 2003-10-21 Mars, Incorporated Ultrasonic rotary forming of food products
US6655948B2 (en) 2001-08-31 2003-12-02 Mars, Incorporated System of ultrasonic processing of pre-baked food product
US8026464B2 (en) 2004-03-01 2011-09-27 Nestec S.A. Multi-purpose food preparation kit
US8028503B2 (en) 2001-06-19 2011-10-04 Robert Bosch Gmbh Method and system for ultrasonic sealing of food product packaging
US9928757B2 (en) 2015-05-21 2018-03-27 Sonoco Development, Inc. Flexible laminate for packaging with integrated peelable portion
US10138026B2 (en) 2015-04-01 2018-11-27 Sonoco Development, Inc. Resealable flexible package and method of using the same
US10150600B2 (en) 2014-10-01 2018-12-11 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US10689151B2 (en) 2017-07-21 2020-06-23 Sonoco Development, Inc. Tamper evident hybrid resealable container
US11203477B2 (en) 2015-10-30 2021-12-21 Sonoco Development, Inc. Integrated package opening feature
US11225355B2 (en) 2017-11-08 2022-01-18 Sonoco Development, Inc. Membrane lid with integrated peelable portion
US11623806B2 (en) 2017-02-27 2023-04-11 Sonoco Development, Inc. Resealable flexible packaging

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69523751T2 (en) * 1995-08-25 2002-05-08 Societe Des Produits Nestle S.A., Vevey Food packaging
US5871783A (en) 1996-08-22 1999-02-16 Mars, Incorporated Apparatus for ultrasonically forming confectionery products
GB2335910B (en) 1998-04-01 2002-07-03 Masterfoods S A Nv Boil-in-bag sachet
US6153232A (en) * 1999-02-11 2000-11-28 Uncle Ben's, Inc. Boil-in-bag package
US6395317B1 (en) 1999-02-11 2002-05-28 Mars Incorporated Process and apparatus for forming dual compartment pouches from a continuous web
GB0922093D0 (en) 2009-12-18 2010-02-03 Mars Inc Boil-in-bag pouch

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359847A1 (en) * 1987-03-23 1990-03-28 Sumitomo Bakelite Company Limited Container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1242231A (en) * 1959-12-11 1960-09-23 Packaging bag
US3175752A (en) * 1963-05-03 1965-03-30 Union Carbide Corp Package tearing means
DE2553770C2 (en) * 1975-11-29 1986-03-13 Beck & Co Packautomaten, 7440 Nürtingen Packaging unit and method of manufacturing the same
DE3700988A1 (en) * 1987-01-15 1988-07-28 Sengewald Karl H Packaging made of thermoplastic film
AU609603B2 (en) * 1988-04-29 1991-05-02 E.I. Du Pont De Nemours And Company Microwave energy susceptible conformable laminate packaging materials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359847A1 (en) * 1987-03-23 1990-03-28 Sumitomo Bakelite Company Limited Container

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6607765B2 (en) 1996-08-22 2003-08-19 Mars, Incorporated Ultrasonic forming of confectionery products
US6517879B2 (en) 1996-11-27 2003-02-11 Mars Incorporated Method and apparatus for ultrasonic molding
US8028503B2 (en) 2001-06-19 2011-10-04 Robert Bosch Gmbh Method and system for ultrasonic sealing of food product packaging
US6655948B2 (en) 2001-08-31 2003-12-02 Mars, Incorporated System of ultrasonic processing of pre-baked food product
US6635292B2 (en) 2001-10-26 2003-10-21 Mars, Incorporated Ultrasonic rotary forming of food products
US8026464B2 (en) 2004-03-01 2011-09-27 Nestec S.A. Multi-purpose food preparation kit
US8525087B2 (en) 2004-03-01 2013-09-03 Nestec S.A. Multi-purpose food preparation kit
US10150600B2 (en) 2014-10-01 2018-12-11 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US11325759B2 (en) 2014-10-01 2022-05-10 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US10865023B2 (en) 2014-10-01 2020-12-15 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US11738919B2 (en) 2014-10-01 2023-08-29 Sonoco Development, Inc. Container structure with a built-in opening and reclosing feature
US10138026B2 (en) 2015-04-01 2018-11-27 Sonoco Development, Inc. Resealable flexible package and method of using the same
US9928757B2 (en) 2015-05-21 2018-03-27 Sonoco Development, Inc. Flexible laminate for packaging with integrated peelable portion
US10026339B2 (en) 2015-05-21 2018-07-17 Sonoco Development, Inc. Flexible laminate for packaging with integrated peelable portion
US10733912B2 (en) 2015-05-21 2020-08-04 Sonoco Development, Inc. Flexible laminate for packaging with integrated peelable portion
US11203477B2 (en) 2015-10-30 2021-12-21 Sonoco Development, Inc. Integrated package opening feature
US11623806B2 (en) 2017-02-27 2023-04-11 Sonoco Development, Inc. Resealable flexible packaging
US10689151B2 (en) 2017-07-21 2020-06-23 Sonoco Development, Inc. Tamper evident hybrid resealable container
US11597559B2 (en) 2017-07-21 2023-03-07 Sonoco Development, Inc. Tamper evident hybrid resealable container
US11148851B2 (en) 2017-07-21 2021-10-19 Sonoco Development, Inc. Tamper evident hybrid resealable container
US11851253B2 (en) 2017-07-21 2023-12-26 Sonoco Development, Inc. Tamper evident hybrid resealable container
US11225355B2 (en) 2017-11-08 2022-01-18 Sonoco Development, Inc. Membrane lid with integrated peelable portion

Also Published As

Publication number Publication date
ATE116620T1 (en) 1995-01-15
DE69015826D1 (en) 1995-02-16
DE69015826T2 (en) 1995-05-18
EP0499647A1 (en) 1992-08-26

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