WO2003086898A1 - Produit alimentaire emballe susceptible d'etre fractionne. - Google Patents
Produit alimentaire emballe susceptible d'etre fractionne.Info
- Publication number
- WO2003086898A1 WO2003086898A1 PCT/FR2003/000521 FR0300521W WO03086898A1 WO 2003086898 A1 WO2003086898 A1 WO 2003086898A1 FR 0300521 W FR0300521 W FR 0300521W WO 03086898 A1 WO03086898 A1 WO 03086898A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- product
- preferential
- rupture
- zone
- Prior art date
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
- 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
- B65D75/585—Tear-lines provided in a wall portion the tear-lines being broken by deformation or bending
Definitions
- the present invention relates to a packaged product comprising on the one hand a food product capable of being fractionated by breaking it and on the other hand a packaging having at least one plastic film.
- PCT application WO 99/58421 discloses a packaged product of the aforementioned type in which the plastic film must be cut perimetrically according to one or more cutting lines before the product can be split by breaking.
- DE-2 458 462 (Alfred RITTER) a chocolate bar divisible according to chocolate squares, and which comprises a longitudinal weld situated directly above a dividing line between the chocolate squares.
- this line which is the longitudinal sealing line of the packaging according to the so-called "flow-pack” technique, produce a rupture of the chocolate plate which also results in a partial opening of the packing by separation by traction at the level of the “flesh for flesh” longitudinal seam, which allows access to a row of chocolate squares, and then to close the packaging.
- the object of the present invention is to provide a packaged product in which the separation of the food product and its packaging film is obtained in a single gesture.
- the invention thus relates to a packaged food product comprising on the one hand a food product capable of being broken up by breaking it and on the other hand a packaging having at least one plastic film, characterized in that the food product exhibits resistance to the break which is at least equal to that of the film, and in that the film and / or the product has a preferential breaking property allowing a perimeter breaking in a preferential direction around the periphery of the packaged product, so that, when a consumer grasps the packaged product with two hands to split it, the rupture of the food product also results in that of packaging.
- This preferential breaking property is advantageously exercised for the film and / or for the product in a preferential zone, in particular along at least one preferential line.
- the food product may have a region of weakness such as a pre-cut, or a region of narrowing of section producing a weakening between 10 and 40% advantageously between 10 and 30% and for example 25% of the breaking force. of the product.
- a region of weakness such as a pre-cut, or a region of narrowing of section producing a weakening between 10 and 40% advantageously between 10 and 30% and for example 25% of the breaking force. of the product.
- the film is closed on itself around the product along a weld line extending between two opposite edges of the product in a first direction, and the direction of preferential rupture is a second direction inclined with respect to the first direction and preferably perpendicular thereto.
- the product is advantageously of elongated shape and said preferential direction is a transverse direction of the product.
- the product comprises at least one mono-oriented film having preferable tear-off in said preferential direction.
- it comprises two mono-oriented films of the same orientation superimposed.
- a printing impression of at least one tear zone can be produced in sandwich between the two mono-oriented films.
- the primary function of this marking impression is to prevent the edges of the films from fraying when the product is opened.
- at least one of the two films is at least locally transparent so that said marking impression is visible.
- a product has a said mono-oriented film superimposed on a bi-oriented film having a preferential tear zone, in particular a preferential tear line.
- the product can have at least one polymer film having a microporous weakening zone, as described for example in French patent No. 2,717,449 (CMB FLEXIBLE).
- This polymer film can for example be laminated with a bi-oriented film.
- the product comprises at least one bi-oriented film having a preferential rupture zone, in particular a rupture line.
- the product may in particular comprise two bi-oriented films laminated together, at least one of which has a said preferential rupture zone, in particular a rupture line.
- the two bi-oriented films each have a said preferential rupture zone, these two zones being parallel and offset with respect to each other, so that, during rupture, the rupture zone preferential of one of said bi-oriented films tears and that this tear propagates between the two films, in particular through the layer of laminating adhesive, to reach the preferential rupture zone of the other bi-oriented film.
- the preferential perimeter breaking property is obtained by virtue of a "leather against flesh" flat sealing zone extending around the entire periphery of the product, in which case the packaging is broken under the action of shear forces which produce a relative delamination of the two parts of the film which come into perimeter overlap.
- the film may or may not be monolayer. In the flow-pack technique, this is an inclined perimeter weld line and preferably perpendicular to the longitudinal weld line of the product.
- a mono-oriented film or a polymer film having a microporous perimeter weakening zone can be replaced, in a laminate, by a paper (for example of grammage 35 - 60 g / m 2 ) coated with polyethylene.
- FIG. 1a represents a product according to the invention before rupture
- FIG. 1b represents this same product after rupture by a consumer
- FIG. 1c and 1d show two variant forms of the food product, respectively in side view and in top view, - Figures 2 to 8 illustrate different variants of the invention.
- a packaged food product designated by the general reference 1 comprises a food product 2 which can be broken up by breaking, for example a cookie, a confectionery bar or a chocolate bar, etc. which therefore has suitable hardness and crunchiness characteristics as well as a geometry (square, rectangle, oval or round shape, etc.) allowing easy handling, and a packaging film 3 mono or multilayer produced by a known technique, for example the so-called "flow-pack" technique.
- the food product 2 can also consist of a stack of at least two elementary products.
- Product 2 can be in particular a CHOCO PRINCE or PRINCE FOURRE de LU cookie, or even a cookie marketed in Belgium under the brand CHACHA. These products have a breaking force of around 25 N up to around 50N. If we want to impose a specific region to cut the product, for example to obtain two equal portions, it is possible to provide in the product a preferential rupture zone, for example a groove 7 forming a pre-cut, and / or to confer to product 2 a form having a narrowed region in the central part (see FIGS. 1c and 1d).
- This groove 7 and / or this narrowed region 8 are chosen so as to locally induce a reduction in the breaking strength between 10% and 40%, and in particular between 10% and 35% and more particularly less than 25%, between the central region 4 and the rest of the product.
- the preferential rupture zones are such that the barrier effect (humidity and / or oxygen) remains sufficient for the product 2 to retain its characteristics and in particular a sufficient rupture force during the entire shelf-life period at room temperature. .
- the film 3 is a mono-oriented film 31 in a preferential direction which is the transverse direction of the product so that the film 3 has a preferential direction of rupture perpendicular to its longitudinal direction (by example the longitudinal direction of travel of the product in the "flow-pack" technique).
- This mono-oriented film can be a polyethylene film of thickness for example between 20 and 50 ⁇ and preferably equal to 30 ⁇ .
- Such films are produced in particular by EXXON MOBIL CHEMICAL.
- the breaking strength of product 2 for example a cookie or a chocolate bar, must be greater than or equal to the breaking strength of film 3 in the preferred direction.
- the consumer takes the product on either side of a central region, and the rupture occurs spontaneously in practically the same region for the film and for the product, it being understood that the rupture of the product entails that of the film in the same zoned. Indeed, the product tends to break in the region where the stresses are greatest. The same goes for the film that stretches the most in the region where the product breaks.
- the mono-oriented films have characteristic tear-off properties in one direction, here the transverse direction of the product, they make it possible to obtain a relatively low initiation force at tear and an orientation of this tear which is controlled in parallel at orientation.
- the implementation of such a film makes it possible to obtain the expected result for a cookie or a chocolate bar having or not a zone of weakness.
- the external packaging for example produced according to the "flow-pack” technique, comprises two superposed mono-oriented films, and in particular laminated, represented by the pins 31 and 32, the lamination being produced by a layer 33 of lamination adhesive.
- Either of the films may include, in the zone where it is intended to tear the film, a printing zone 34 extending around the perimeter of the packaging (for example the perimeter 82 of FIG. 8 ).
- one of the two films, for example the film 31 is transparent, which allows the consumer to view the ink marking area.
- the use of two superposed mono-oriented films with a thickness for example of between 20 ⁇ and 50 ⁇ makes it possible to increase the intrinsic barrier of the packaging in the case of more demanding products, especially from the moisture barrier point of view.
- this embodiment makes it possible to increase the rigidity of the packaging, which has advantages on the one hand in terms of the machinability of the laminated film and on the other hand the impact of the product on the consumer during of its handling.
- the installation of an appropriate ink, for example a hard ink, at the level of the tear zone of the film makes it possible to avoid the presence of filaments on the edges of the torn film. Indeed, the ink modifies the intrinsic properties of the film from the point of view of rupture.
- the inked area 34 is made visible.
- a bi-oriented film 41 is used, for example with a thickness of between 20 and 50 ⁇ , laminated with a mono-oriented film 42, for example made of polyolefin.
- the bi-oriented film 41 has a zone of weakness 43 at the level of the desired tear zone (for example the perimeter 82 of FIG. 8).
- the zone of weakness 43 can be a cutout over all or part of the thickness of the film, a stamping or even a dotted marking over all or part of the thickness of the film.
- the bi-oriented film 41 may for example be a polyester film of thickness between 8 and 25 ⁇ and preferably equal to 12 ⁇ .
- the mono-oriented film 42 can be the same as in FIG. 1.
- the combination of the two films 41 and 42 makes it possible to improve the tearability while avoiding the presence of filaments on the edges of the tear. In addition, this leads to an increase in the intrinsic barrier of the packaging, in particular vis-à-vis humidity, as well as rigidity. In addition, the fact of combining a mono-oriented film and a bi-oriented film makes it possible to obtain a structure that is much less sensitive to machine stops in the context of the so-called "flow-pack" technique, in particular as regards the longitudinal welding (temperature and time of contact with the sealing jaws).
- the mono-oriented film 42 can be replaced by a polymer film, in particular made of polypropylene, having a microporous zone of weakness 43, as described in French patent FR 2,717,449 cited above, or alternatively a paper of 35 to 60 g / m 2 coated with a layer for example of polyethylene.
- the outer packaging comprises two bi-oriented films 51 and 52 laminated (for example of polyolefin type), at least one of which has a zone of weakness 53 and / or 54, at level of the product tear zone (for example along the perimeter 82 of FIG. 8).
- this zone of weakness 53 and / or 54 formed on one and / or the other film 51 and / or 52 can be produced by cutting out all or part of the thickness of the film by a stamping or by a dotted cutout on all or part of the thickness of the film.
- a film 51 and / or a film 52 having a zone of microporous weakness 53 and / or 54 according to French Patent 2,717,449.
- the zones 53 and 54 are grooves, the groove 53 completely passing through the film 51.
- the zone 53 is a groove
- the zone 54 is a zone of weakness of another type.
- FIG. 5c and 5d A preferred implementation is illustrated in Figures 5c and 5d.
- the perimeter weakness zones 53 and 54 are not at the same level but are parallel and offset with respect to each other, for example longitudinally if we consider in particular the case of a packaging of flow-pack type.
- the tearing of the complex which takes place when the packaging is opened takes place in the area of weakness of one of the two films, then propagates at the level of the bonding zone 55, that is to say by locally delaminating the two films 51 and 52, to reach the zone of weakness of the second film according to a phenomenon of delamination, and this on the perimeter of the packaging to obtain a separation of the two products and the packaging.
- the embodiment represented in FIG. 6 implements a bi-oriented polyolefin type film which has a zone of perimeter weakness 66 at the level of the tear zone of the packaging (for example according to the contour 82 of FIG. 8).
- This zone of weakness is formed on a strip of plastic film or on a strip of paper, coated with polyethylene 63 which is sealed by welding or flat bonding 64 and 65 on the edges 61 and 62 of the film constituting the packaging.
- This embodiment is also capable of being implemented in the case where the bi-oriented film is superimposed with another film, mono-oriented or bi-oriented.
- the tear takes place at the zone of weakness 66 of the attached piece of film 63 which has a weak breaking force which is lower than that of the welds or of the bonding zones 64 and 65.
- the pieces of film 63 are welded or glued before the packaging is formed in the flow-pack machine. For this, it is possible to use the system described in patent application EP 890 514 (GROUPE DANONE).
- FIG. 8 represents a variant of the invention in “flow-pack” technique.
- the reference 9 designates the end welds and the reference 81, the longitudinal weld "flesh against flesh”.
- a perimeter weakening region 82 can be provided in the film 3 to induce a preferential rupture zone in the central region 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Packages (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Confectionery (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200330551T SI1494935T1 (sl) | 2002-04-12 | 2003-02-18 | Embalirano zivilo, ki se lahko razlomi na kose |
EP03722659A EP1494935B1 (fr) | 2002-04-12 | 2003-02-18 | Produit alimentaire emballe susceptible d etre fractionne. |
AU2003229827A AU2003229827A1 (en) | 2002-04-12 | 2003-02-18 | Packaged food product which can be split into parts |
DE60308004T DE60308004T2 (de) | 2002-04-12 | 2003-02-18 | Nahrungsmittelprodukt, welches zerteilbar ist, indem es zerbrochen wird |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0204589 | 2002-04-12 | ||
FR0204589A FR2838298B1 (fr) | 2002-04-12 | 2002-04-12 | Produit alimentaire emballe susceptible d'etre fractionne |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003086898A1 true WO2003086898A1 (fr) | 2003-10-23 |
Family
ID=28459779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/000521 WO2003086898A1 (fr) | 2002-04-12 | 2003-02-18 | Produit alimentaire emballe susceptible d'etre fractionne. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1494935B1 (fr) |
AT (1) | ATE337982T1 (fr) |
AU (1) | AU2003229827A1 (fr) |
DE (1) | DE60308004T2 (fr) |
DK (1) | DK1494935T3 (fr) |
ES (1) | ES2271576T3 (fr) |
FR (1) | FR2838298B1 (fr) |
PT (1) | PT1494935E (fr) |
WO (1) | WO2003086898A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060071057A1 (en) * | 2004-09-30 | 2006-04-06 | Kimberly-Clark Worldwide, Inc. | Frangible seal for packaging |
DE102011001323A1 (de) * | 2010-10-29 | 2012-05-03 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verpackung sowie Laminat zur Herstellung der Verpackung |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3451539A (en) * | 1968-08-07 | 1969-06-24 | Hoerner Waldorf Corp | Circular type disc |
US3693785A (en) * | 1970-06-01 | 1972-09-26 | Fmc Corp | Frangible package |
DE2458462A1 (de) | 1974-12-10 | 1976-06-16 | Alfred Ritter Fa | Schlauchbeutelverpackung fuer tafelfoermiges stueckgut, insbesondere fuer schokoladetafeln |
EP0162291A1 (fr) * | 1984-04-20 | 1985-11-27 | Teich Aktiengesellschaft | Emballage pour marchandises en colis |
GB2281282A (en) * | 1993-08-24 | 1995-03-01 | Roland Frederick Eagling | Tearing a polymeric film or bag |
FR2717449A1 (fr) | 1994-03-15 | 1995-09-22 | Cmb Flexible | Emballage formé à partir d'une feuille polymère, bande polymère pour sa réalisation, et procédé de traitement correspondant. |
EP0890514A1 (fr) | 1997-07-09 | 1999-01-13 | Groupe Danone | Procédé pour fabriquer une bande en feuille pour un emballage en matériau pliant, et dispositif pour sa mise en oeuvre |
EP0957043A1 (fr) * | 1998-05-12 | 1999-11-17 | Mars Alimentaire S.A. | Emballage pour une ou plusieurs barres de confiserie |
FR2791646A1 (fr) * | 1999-04-02 | 2000-10-06 | Doveurope Sa | Article comprenant un produit enferme dans un emballage etanche |
WO2000059801A1 (fr) | 1999-04-02 | 2000-10-12 | Mars Inc. | Enveloppe d'emballage presentant des perforations d'ouverture |
-
2002
- 2002-04-12 FR FR0204589A patent/FR2838298B1/fr not_active Expired - Lifetime
-
2003
- 2003-02-18 EP EP03722659A patent/EP1494935B1/fr not_active Expired - Lifetime
- 2003-02-18 WO PCT/FR2003/000521 patent/WO2003086898A1/fr active IP Right Grant
- 2003-02-18 AU AU2003229827A patent/AU2003229827A1/en not_active Abandoned
- 2003-02-18 AT AT03722659T patent/ATE337982T1/de active
- 2003-02-18 PT PT03722659T patent/PT1494935E/pt unknown
- 2003-02-18 ES ES03722659T patent/ES2271576T3/es not_active Expired - Lifetime
- 2003-02-18 DE DE60308004T patent/DE60308004T2/de not_active Expired - Lifetime
- 2003-02-18 DK DK03722659T patent/DK1494935T3/da active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3451539A (en) * | 1968-08-07 | 1969-06-24 | Hoerner Waldorf Corp | Circular type disc |
US3693785A (en) * | 1970-06-01 | 1972-09-26 | Fmc Corp | Frangible package |
DE2458462A1 (de) | 1974-12-10 | 1976-06-16 | Alfred Ritter Fa | Schlauchbeutelverpackung fuer tafelfoermiges stueckgut, insbesondere fuer schokoladetafeln |
EP0162291A1 (fr) * | 1984-04-20 | 1985-11-27 | Teich Aktiengesellschaft | Emballage pour marchandises en colis |
GB2281282A (en) * | 1993-08-24 | 1995-03-01 | Roland Frederick Eagling | Tearing a polymeric film or bag |
FR2717449A1 (fr) | 1994-03-15 | 1995-09-22 | Cmb Flexible | Emballage formé à partir d'une feuille polymère, bande polymère pour sa réalisation, et procédé de traitement correspondant. |
EP0890514A1 (fr) | 1997-07-09 | 1999-01-13 | Groupe Danone | Procédé pour fabriquer une bande en feuille pour un emballage en matériau pliant, et dispositif pour sa mise en oeuvre |
EP0957043A1 (fr) * | 1998-05-12 | 1999-11-17 | Mars Alimentaire S.A. | Emballage pour une ou plusieurs barres de confiserie |
WO1999058421A1 (fr) | 1998-05-12 | 1999-11-18 | Mars Alimentaire S.A. | Emballage pour un ou plusieurs produits de confiserie |
FR2791646A1 (fr) * | 1999-04-02 | 2000-10-06 | Doveurope Sa | Article comprenant un produit enferme dans un emballage etanche |
WO2000059801A1 (fr) | 1999-04-02 | 2000-10-12 | Mars Inc. | Enveloppe d'emballage presentant des perforations d'ouverture |
Also Published As
Publication number | Publication date |
---|---|
EP1494935A1 (fr) | 2005-01-12 |
EP1494935B1 (fr) | 2006-08-30 |
DE60308004T2 (de) | 2007-02-15 |
FR2838298A1 (fr) | 2003-10-17 |
FR2838298B1 (fr) | 2004-06-18 |
ATE337982T1 (de) | 2006-09-15 |
PT1494935E (pt) | 2006-12-29 |
DK1494935T3 (da) | 2006-12-18 |
ES2271576T3 (es) | 2007-04-16 |
DE60308004D1 (de) | 2006-10-12 |
AU2003229827A1 (en) | 2003-10-27 |
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