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EP3663222A1 - Emballage alimentaire pouvant être fermé - Google Patents

Emballage alimentaire pouvant être fermé Download PDF

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Publication number
EP3663222A1
EP3663222A1 EP18211040.3A EP18211040A EP3663222A1 EP 3663222 A1 EP3663222 A1 EP 3663222A1 EP 18211040 A EP18211040 A EP 18211040A EP 3663222 A1 EP3663222 A1 EP 3663222A1
Authority
EP
European Patent Office
Prior art keywords
food packing
panel
front panel
sheet
back panel
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.)
Withdrawn
Application number
EP18211040.3A
Other languages
German (de)
English (en)
Inventor
Stine Dalberg
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP18211040.3A priority Critical patent/EP3663222A1/fr
Publication of EP3663222A1 publication Critical patent/EP3663222A1/fr
Withdrawn legal-status Critical Current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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/005—Bags or like containers made of paper and having structural provision for thickness of contents by folding a single blank to U-shape to form the base of the bag and opposite sides of the body-portion, the remaining sides being formed by extensions of one or more of these opposite sides
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps

Definitions

  • the present invention relates to food packing and in particular food packing for temporarily storing a food product, such as a sandwich or a piece of bread with a topping, e.g. in a lunch package.
  • Another option is to use individual sheets of greaseproof paper arranged loosely around each sandwich or piece of bread and place them on top of each other in a re-useable box. In that case, it can be difficult, especially for small children, to choose another order of eating the food than from top to bottom in the package without getting the food mixed up or dropped. Hence, an improved food packing would be advantageous.
  • An object of the present invention is to provide an alternative to the prior art.
  • a closable food packing for temporarily storing a food product, such as a sandwich or a piece of bread with a topping, the food packing being made from a single folded sheet of greaseproof and semi-transparent or transparent material, such as paper or paper-based material, the food packing comprising:
  • a food packing according to the present invention is advantageous as it is easy and cheap to manufacture. Only a few materials are necessary, and the food packing can easily be folded into a product ready to use.
  • the food packing according to the present invention is particularly configured for packed lunch with several different pieces of bread with a topping, whereby each piece of bread with a topping is put in a separate food packing. In this way, the topping from one piece of bread does not mix with topping from another piece of bread.
  • the food packing may also be used for temporary storage of other kinds of food, such as cake or slices of fruit.
  • the food packing is made from semi-transparent or transparent material allowing the food to be viewed through the closable packing. If the food packing is used to temporarily store a lunch comprising several different pieces of bread with different topping, the person having his/her lunch can see the food product through the food packing and choose which one to eat first.
  • greyeproof is meant having a resistance against moisture from food products typically packed in a lunch package penetrating through the material during use.
  • the food packing is made from a greaseproof material, such that greasy or semi-wet filling or topping will not wet the sheet or the food in a neighboring food packing e.g. in a lunch package.
  • the sheet may comprise a greaseproof coating with hydrophobic and/or oleophobic properties.
  • the sheet may e.g. be made from a type of material also used for other similar products such as baking paper or deli-paper.
  • the front panel and the back panel are connected directly to form the second closed side and the third closed side by means of adhesive material provided in areas along the edges of the sheet.
  • the front panel and the back panel are connected indirectly to form the second closed side and the third closed side by means of two symmetrical triangular side panels extending from each side of the front panel, and two symmetrical triangular side panels, extending from each side of the back panel, wherein a triangular side panel of the front panel and a triangular side panel of the back panel overlap each other and are adhered to each other at part of the overlap by means of adhesive material to form a closed side with a height tapering from the open side to the first closed side.
  • “height” is referred to the dimension perpendicular or substantially perpendicular to the back panel. The height could also be considered a depth of the packing.
  • Such a configuration is advantageous as a food packing with a height tapering from the open side toward the first closed end can hold a larger, such as thicker, food product than a food packing with no height. Due to the specific configuration, such a food packing is still very simple and easy to produce, as only a small amount of extra sheet material is necessary to obtain a larger volume to hold the food product.
  • the sheet is folded along its width at least twice to form a bottom panel between the front panel and the back panel, such that the front panel and the back panel are connected indirectly through the bottom panel to form the first closed side, having a height, wherein the front panel and the back panel are further connected indirectly to form the second closed side and the third closed side by means of two symmetrical rectangular side panels extending from each side of the front panel, and two symmetrical rectangular side panels extending from each side of the back panel, wherein a rectangular side panel of the front panel and a rectangular side panel of the back panel overlap each other and are adhered to each other at part of the overlap by means of adhesive material to form a closed side with a height being the same from the first closed side to the open side.
  • Such a configuration is advantageous as a food packing with a height being the same from the opening to the first closed end can hold a larger, such as thicker, food product than a food packing with no height and a food product with a height tapering from the open side to the first closed end. Due to the specific configuration, such a food packing is still very simple and easy to produce, as only a small amount of extra sheet material is necessary to obtain a larger volume to hold the food product.
  • the front panel and the back panel each have a length between 12-20 cm, preferably between 15-18 cm; and a width between 6-10 cm, preferably between 7-9 cm.
  • length is meant the dimension between the bottom closed side and the top open side.
  • width is meant the direction perpendicular hereto.
  • the length of the front panel is longer than the width of the front panel, and the open side is provided along the width of the front panel, e.g. along a larger side of the food packing.
  • the shape of the food packing is preferably rectangular and adapted to hold one piece of bread with a topping.
  • the front panel and the back panel each have a width between 12-20 cm, preferably between 15-18 cm; and a length between 6-10 cm, preferably between 7-9 cm.
  • the length of the front panel is smaller than the width of the front panel and the open side is provided along the width of the front panel, e.g. along a longer side of the food packing.
  • the side panels have a length which is the same as the front panel and the back panel, and a width which varies between 0-3 cm, preferably between 0-2 cm, resulting in a height of the food packing between 0-3 cm.
  • the bottom panel has a length between 0.1-3 cm, resulting in a height of the food packing between 0.1-3 cm.
  • the height of the side panels and/or the bottom panel are substantially the same. This will be a suitable design for corresponding shapes of food products.
  • the flap is rectangular having the same width as the front panel and the back panel and having a length which is smaller than the length of the front panel, preferably less than half the length of the front panel, such as between 1-7 cm, preferably between 1.5-3 cm.
  • a design has been found suitable for safely arranging the flap over the opening without using more material for the food packing than necessary.
  • the adhesive material on the flap is provided in a straight line or area along an edge of the flap, extending along the width of the flap. This is advantageous as the open side can be closed in a substantially sealed manner. Furthermore, such a closing is easy to produce in a manufacturing process.
  • the adhesive material on the flap is covered by a release liner until use.
  • a release liner is a paper or plastic-based film sheet, which has typically been applied during the manufacturing process, used to prevent a sticky surface from prematurely adhering. It is coated on one or both sides with a release agent which provides a release effect against any type of a sticky material such as an adhesive or a mastic.
  • covering of the adhesive material on the flap with a release liner is advantageous as prematurely adhering of the flap to other surfaces is avoided before use, and the food packing can be easily stored until use.
  • the food packing further comprises a gripping tab extending from the flap and configured for gripping when manually opening of the food packing after it has been closed. This is advantageous, as it allows a user of the product to open the food packing easily when he/she needs to retrieve a food product stored within the closed food packing.
  • the side panels and/or the bottom panel comprise a folding line around which the side panels and/or the bottom panel can be either folded around the folding line to obtain a flat food packing or straightened around the folding line to obtain an expanded food packing.
  • straightened is preferably meant that the food packing is expanded to its configuration ready to receive the food product. This is advantageous as a bunch of food packings can be stores on top of each other in a flat configuration, without disturbing their shape or taking up too much space.
  • a food packing with a height can hold a larger food product than a food packing with no height.
  • the sheet is made from a material having a plasticity allowing the sheet to be folded and to keep a folded shape after being folded. This is advantageous, as it makes the sheet easy to handle and to easily fold it into a food packing.
  • the sheet has a pre-determined shape.
  • the sheet is a square sheet of paper, preferably a rectangular sheet of paper.
  • the sheet has a shape comprising two trapezes and a square. "Square" is herein defined as quadratic or rectangular.
  • the present invention relates to a method for making a closable food packing as described herein.
  • the food packing is made by the following steps:
  • the first and second aspect of the present invention may each be combined with each other.
  • FIG. 1A shows a three-dimensional view of the food packing 1
  • figs. 1B-1E show top-views of a sheet 2 and how it is folded to obtain a closed food packing 1.
  • the food packing 1 is made from a single rectangular sheet 2 of material provided with adhesive material 12 at pre-determined areas at the edges of the sheet 2.
  • the sheet 2 is folded once along its width to obtain a rectangular front panel 3, a rectangular back panel 4 and a rectangular flap 5 extending from the back panel 4; this is shown in fig. 1C .
  • the front panel 3 and the back panel 4 have the same width 6 and the same length 7 and are connected along one side by the fold of the sheet 2, the fold thereby forming a first closed side 8.
  • the front panel 3 and the back panel 4 are further connected directly to form a second closed side 9 and a third closed side 10 by means of the adhesive material 12 provided in areas along the edges of the sheet 2.
  • the food packing 1 comprises three closed sides 8, 9, 10 and one open side 11.
  • the length 7 of the front panel 3 is larger than the width 6 of the front panel 3, and the open side 11 is provided along the width 6 of the front panel 3, i.e. along a smaller side of the food packing 1.
  • the front panel 3 and the back panel 4 each has a length 7 between 12-20 cm, preferably between 15-18 cm; and a width 6 between 6-10 cm, preferably between 7-9 cm.
  • the flap 5 is rectangular having the same width 6 as the front panel 3 and the back panel 4 and having a length 18 which is smaller than the length 7 of the front panel 3 and the back panel 4.
  • the length 18 of the flap 5 is approximately 1 ⁇ 4 of the length of the front panel 3 and the back panel 4.
  • the flap 5 is provided with adhesive material 12 preferably covered by a releasable liner 16 as shown in figs. 1A-1C . This liner has to be removed before use to expose the adhesive material as shown in fig. 1D .
  • the adhesive material 12 on the flap 5 of the embodiment in figure 1 is provided in a straight line along an edge of the flap 5, extending along the width of the flap 5.
  • the food packing 1 is configured for receiving a food product through the open side 11.
  • the open side 11 can be releasably closed by removing the releasable liner 16 from the flap 5, as shown in fig. 1D , and folding the flap 5 over the open side 11, fastening it onto the front panel 3 by means of the adhesive material 12 as shown in fig. 1E .
  • the food package 1 is specifically designed for temporary storage of bread with a topping, preferably a rectangular piece of bread.
  • a topping preferably a rectangular piece of bread.
  • the shape of the food packing 1 is preferably rectangular. However, it can also be used for storage of other shapes of bread, such as round.
  • FIG. 2 illustrating a second embodiment of a food packing 1 according to the present invention.
  • the food packing 1 in fig. 2 is almost similar to the one shown in fig. 1 .
  • the length 7 of the front panel 3 is smaller than the width 6 of the front panel 3, and the open side 11 is provided along the width 6 of the front panel 3, e.g. along a longer side of the food packing 1.
  • the front panel 3 and the back panel 4 each preferably has a width 6 between 12-20 cm, preferably between 15-18 cm; and a length 7 between 6-10 cm, preferably between 7-9 cm.
  • the closable food packings 1 illustrated in figs. 1 and 2 are the simplest embodiments of the present invention.
  • the food packings 1 In the embodiments illustrated in fig. 1 and fig. 2 , the food packings 1 have a length and a width but no height.
  • Figs. 3 and 4 illustrate two embodiments of the present invention, wherein the food packing 1 further has a height 17 provided by side panels 13a, 13b and/or a bottom panel 15.
  • the food packing 1 illustrated in fig. 3 is made from a sheet 2 having a predefined shape comprising two trapezes and a square, provided with adhesive material 12 at pre-determined areas at the edges of the sheet 2; see fig. 3C .
  • the sheet 2 is folded once along its width to obtain a rectangular front panel 3 and a rectangular back panel 4, wherefrom two triangular side panels 13a, 13b extend, such that the front panel 3 together with two triangular side panels 13a comprise one trapeze of the sheet 2, and the back panel 4 together with two triangular side panels 13b comprise the other trapeze of the sheet 2.
  • the flap 5 comprises the square of the sheet 2.
  • the front panel 3 and the back panel 4 are connected indirectly by means of the two symmetrical triangular side panels 13a extending from each side of the front panel 3, and two symmetrical triangular side panels 13b, extending from each side of the back panel 4.
  • the triangular side panels 13a of the front panel 3 and the triangular side panels 13b of the back panel 4 overlap each other and are adhered to each other at part of the overlap by means of adhesive material 12 provided on the sheet 2.
  • the overlapping side panels 13a, 13b form a second closed side 9 and a third closed side 10, giving the food package 1 a height 17 tapering from the open side 11 to the first closed side 8.
  • the side panels 13a of the front panel 3 have a length which is the same as the length 7 of the front panel 3, but with a width 20 which varies along the length 7 of the front panel 3.
  • the varying width 20 of the side panels 13a result in a varying height 17 of the folded food packing 1 from the open side 11 to the first closed side 8.
  • the side panels 13b of the back panel 4 have a length which is the same as the length of the back panel 4, but a width which varies along the length of the back panel 4.
  • the side panels 13a, 13b each comprises a folding line 22, around which the side panels 13a, 13b can be either folded to obtain a flat food packing 1a with no height, as shown in fig. 3A , or to obtain an expanded food packing 1b with a height 17 as shown in fig. 3B .
  • This is advantageous as a bunch of food packings 1 can be stored on top of each other in a flat configuration without disturbing their shape or taking up too much space.
  • a food packing 1 with a height 17 can hold a larger food product than a food packing 1 with no height 17.
  • the food packing 1 illustrated in fig. 4 is made from a single rectangular sheet 2 of material provided with adhesive material 12 at pre-determined areas at the edges of the sheet 2 as shown in fig. 4B .
  • the sheet 2 is cut at each side, such that the sheet 2 can be folded twice along its width to obtain a rectangular front panel 3, a rectangular bottom panel 15, a rectangular back panel 4, four rectangular side panels 13a, 13b and a rectangular flap 5 extending from the back panel 4; see fig. 4C .
  • the two rectangular side panels 13b of the back panel 4 extend beyond the length of the back panel and is only separated from the bottom panel and the rectangular side panels 13b on the front panel 3 by the cutting provided in the sheet 2.
  • the sheet 2 is folded twice along its width to form the bottom panel 15 between the front panel 3 and the back panel 4, such that the front panel 3 and the back panel 4 are connected indirectly through the bottom panel 15, to form the first closed side 8.
  • the front panel 3 and the back panel 4 are further connected indirectly by means of two symmetrical rectangular side panels 13a extending from each side of the front panel 3, and two symmetrical rectangular side panels 13b, extending from each side of the back panel 4.
  • the rectangular side panels 13a of the front panel 3 and a rectangular side panels 13b of the back panel 4 overlap each other and are adhered to each other at part of the overlap by means of adhesive material 12 to form a closed side with a height, being the same from the first closed side 8 to the open side 11.
  • part of the side panels 13b of the back panel 4 is folded such that they overlap with the bottom panel 15.
  • Adhesive material 12 may be added on the bottom panel 15, to adhere the side panels 13b of the back panel 4 to the bottom panel 15.
  • the side panels 13a, 13b and the bottom panel 15 also comprise folding lines 22, around which the side panels and the bottom panel 15 can be folded to obtain a flat food packing 1a as shown schematically in fig. 4A or straightened to obtain an expanded food packing 1b as shown schematically in fig. 4B .
  • the food packing 1 illustrated in fig. 4 further comprises a gripping tab 21, extending from the flap 5.
  • the gripping tab 21 is configured for easy manually opening of the food packing 1 after it has been closed. Such a gripping tab 21 is suitable for all embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Cartons (AREA)
EP18211040.3A 2018-12-07 2018-12-07 Emballage alimentaire pouvant être fermé Withdrawn EP3663222A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18211040.3A EP3663222A1 (fr) 2018-12-07 2018-12-07 Emballage alimentaire pouvant être fermé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18211040.3A EP3663222A1 (fr) 2018-12-07 2018-12-07 Emballage alimentaire pouvant être fermé

Publications (1)

Publication Number Publication Date
EP3663222A1 true EP3663222A1 (fr) 2020-06-10

Family

ID=64661177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18211040.3A Withdrawn EP3663222A1 (fr) 2018-12-07 2018-12-07 Emballage alimentaire pouvant être fermé

Country Status (1)

Country Link
EP (1) EP3663222A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020121005A1 (de) 2020-08-10 2022-02-10 Bilal Dalgic Tütenverpackung für einen Imbiss

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB222256A (en) * 1923-07-27 1924-10-02 Albert Roslington Buckton Improvements in paper bags and carriers
GB660363A (en) * 1947-12-15 1951-11-07 Wingfoot Corp Heat-sealable packaging
US3307773A (en) * 1963-03-26 1967-03-07 Union Carbide Corp Readily closable and reopenable plastic bag
US3955749A (en) * 1974-06-28 1976-05-11 Eugene Turkenkopf Expansible envelope
GB2342059A (en) * 1998-09-08 2000-04-05 John Anthony Lewis Debris catchment pocket
EP1119496A1 (fr) * 1999-08-10 2001-08-01 Campina Melkunie B.V.- Divisie Kaas Emballage pour fromage pouvant etre referme
GB2415684A (en) * 2004-06-30 2006-01-04 Flexipol Packaging Ltd Bags of easy closure and tear open construction
US20110176749A1 (en) * 2010-01-20 2011-07-21 Elizabeth Race Compostable Natural-Fiber Food Storage Bag
US20130084374A1 (en) * 2011-09-30 2013-04-04 Papier-Mettler, Inhaber Michael Mettler E.K. Bag, particularly re-baking bag, made of glassine paper or cellulose paper with a fluorine coating
WO2014179457A1 (fr) * 2013-05-03 2014-11-06 Printpack Illinois, Inc. Emballages flexibles refermables tenant en position debout

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB222256A (en) * 1923-07-27 1924-10-02 Albert Roslington Buckton Improvements in paper bags and carriers
GB660363A (en) * 1947-12-15 1951-11-07 Wingfoot Corp Heat-sealable packaging
US3307773A (en) * 1963-03-26 1967-03-07 Union Carbide Corp Readily closable and reopenable plastic bag
US3955749A (en) * 1974-06-28 1976-05-11 Eugene Turkenkopf Expansible envelope
GB2342059A (en) * 1998-09-08 2000-04-05 John Anthony Lewis Debris catchment pocket
EP1119496A1 (fr) * 1999-08-10 2001-08-01 Campina Melkunie B.V.- Divisie Kaas Emballage pour fromage pouvant etre referme
GB2415684A (en) * 2004-06-30 2006-01-04 Flexipol Packaging Ltd Bags of easy closure and tear open construction
US20110176749A1 (en) * 2010-01-20 2011-07-21 Elizabeth Race Compostable Natural-Fiber Food Storage Bag
US20130084374A1 (en) * 2011-09-30 2013-04-04 Papier-Mettler, Inhaber Michael Mettler E.K. Bag, particularly re-baking bag, made of glassine paper or cellulose paper with a fluorine coating
WO2014179457A1 (fr) * 2013-05-03 2014-11-06 Printpack Illinois, Inc. Emballages flexibles refermables tenant en position debout

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020121005A1 (de) 2020-08-10 2022-02-10 Bilal Dalgic Tütenverpackung für einen Imbiss
EP3954625A1 (fr) 2020-08-10 2022-02-16 Dalgic, Bilal Emballage sachet pour une collation

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