EP1836109A1 - Dispositif d'ouverture d'un emballage - Google Patents
Dispositif d'ouverture d'un emballageInfo
- Publication number
- EP1836109A1 EP1836109A1 EP06700994A EP06700994A EP1836109A1 EP 1836109 A1 EP1836109 A1 EP 1836109A1 EP 06700994 A EP06700994 A EP 06700994A EP 06700994 A EP06700994 A EP 06700994A EP 1836109 A1 EP1836109 A1 EP 1836109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- package
- sheet
- layer
- easy opening
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 239000002985 plastic film Substances 0.000 claims abstract description 9
- 229920006255 plastic film Polymers 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 210000003813 thumb Anatomy 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000004806 packaging method and process Methods 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B65D75/66—Inserted or applied tearing-strings or like flexible elements
- B65D75/68—Inserted or applied tearing-strings or like flexible elements extending through wrapper closure or between wrapper layers
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
- B65D85/76—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for cheese
Definitions
- the invention relates to a device for easy opening of a package, a package incorporating it and a method of manufacturing such a device and packaging. It is particularly suited to the field of packaging packaging of a pasty food product, such as cheese.
- a first solution of the prior art concerns an aluminum packaging as disclosed in FIG. 5 of patent FR2012286.
- the opening device is based on a thread glued to the aluminum strip used to form the package. A portion of this thread slightly protrudes from the package and can be grasped and pulled to tear and open the package.
- a first disadvantage of this solution is that it is not very user-friendly because the wire to grasp is small.
- a second disadvantage comes from the fact that it is combined with an aluminum packaging material whose obtaining and recycling require a large expenditure of energy.
- An opening device of the package is obtained by gluing a tear strip, similar to those of the previous solutions, to a rectangular plastic sheet used to make the package. One end of this band protrudes from the leaflet and forms an opening tab on the finished package.
- a first disadvantage of this solution is that it is not user-friendly because the tab to grasp is small.
- a second disadvantage of this solution is that the method of manufacturing the associated packaging is complex because it requires the combination of at least three plastic sheets.
- a general object of the present invention is to provide an opening device for packaging and a method of manufacturing such a device and the associated package which have the advantages of the prior art without the disadvantages. More specifically, a first object of the invention is to provide an easy opening device easy, easy to enter.
- a second object of the invention is to provide a device combined with a packaging in a plastic type material, more environmentally friendly than aluminum.
- a third object of the invention is to provide a device for a method of manufacturing the economic and ecological packaging, forming little or no drop for example.
- the invention is based on a device for easy opening of a package consisting of one or more sheets of plastic material, comprising a surface opening tab corresponding at least to that of a thumb to facilitate its gripping characterized in that the opening tab comprises a first layer of thickness equal to that of the plastic film forming the major part of the package and a second layer of dimension substantially equal to the first layer, fixed to the first layer, and whose face closest to the package does not include a coating or glue.
- the first layer of the opening tab belongs to a leaflet composing the package.
- the device for easy opening of a package comprises at least one tear strip whose one end is fixed towards the end of the opening tongue and the second extends on a sheet of the packaging.
- the tear strip is fixed between the two layers of the opening tongue.
- the device comprises pre-cuts at the opening tab to facilitate opening.
- the opening tongue has a substantially triangular shape.
- the invention also relates to a package comprising an easy opening device as defined above.
- the invention also relates to a method of manufacturing a device for easy opening of a package, comprising the following steps:
- step b) comprises the cutting of a portion on the plastic film used for cutting the sheet of step a), the reversal of said part, the bringing into contact of its coated side of heat-sealable material with the protruding part and the bonding of the two parts.
- the manufacturing method may include the step of bonding at least one tear strip onto the leaflet extending from one end of the projecting portion over a substantial length of the leaflet. It may also include the step of producing pre-cuts at the projecting portion of the sheet.
- the manufacturing process may further include the following step:
- This last step may consist of a hot pressing step on the opening tab to obtain the sealed heat sealing of the package and the folding of the tongue.
- Fig. 1 shows a view of a film in a step at the beginning of the manufacture of the package
- Figure 2 shows a view of a leaflet used to form a package from the previous film
- Figure 3 shows a view of the package near completion
- Figure 4 shows a view of the finished package.
- the embodiment described below relates to an application in the field of food packaging.
- the manufacturing process of the packaging is based on a film 1 made of plastic material, for example polypropylene, from which several 2 sheets, whose periphery is shown in bold in Figure 1, each to form a single package.
- This film 1 comprises the visible upper face of Figure 1 coated with a heat-sealable material.
- a first step consists of gluing two thin strips of tearing or resistant opening 3 on each sheet 2, whose function is to facilitate the opening of the package. These opening strips 3 are parallel over almost the entire length of the sheet 2 and converge at the tip of a projecting end portion 5 of substantially triangular shape, which will form a first layer of the opening tab of the future packaging .
- Precut lines 7 are also provided on these protruding parts 5 of each sheet 2 and have the function of initiating the tearing of the package following the pulling of the gripping wedge of the part 5.
- the tear strips 3 guide following this opening.
- the outline 6 of the triangular portion 5 is such, thanks to its symmetry with respect to its central point, that it allows a staggered distribution of the different sheets 2 on the film 1.
- the end of the sheets 2, opposite the part triangular 5 is substantially rectangular, in addition to truncated angles, which define falls 4 of triangular shaped material during the cutting of the sheets 2.
- each sheet 2 consists of a central portion A which will form the base of the package, side portions B which will form the lateral flanges, a part B 1 comprises the triangular end 5 projecting.
- the lateral parts B are interconnected by corner portions C which will be folded along their line 8.
- the two tear strips 3 extend from the projecting portion 5 of the lateral part B 'to the lateral part B opposite, respectively along two opposite sides of the central portion A, at level of the fold line of the central portion A and the two other side portions B not including these tear strips.
- each triangular fall 4 is returned and hot glued to the triangular portion 5.
- the geometry of the sheets 2 is chosen so that the triangular portions 4 and 5 have corresponding dimensions.
- the fact of turning part 4 makes it possible to put its coated surface of heat-sealable material in contact with the triangular part 5: thus, the two faces put in contact are coated with this heat-sealable material and heating makes it possible to obtain the bonding of the two parts. .
- the triangular fall 4 from the film 1 thus forms a second layer of the opening tab of the future packaging.
- the ends of the tear strips 3 are sandwiched between the two layers 4 and 5 of the opening tongue.
- the result of this step is a sheet 2 whose upper face is coated with a heat-sealable material with the exception of the triangular tongue of double thickness. This embodiment of the invention does not generate any material drop.
- This sheet 2 is then folded into an intermediate form illustrated in FIG. 3, by a method using heaters to enable effective and definitive folding, the heating making it possible to modify the memory of the plastic material used.
- the packaging in formation thus obtained can be filled with a food substance for example.
- a cover 9, of dimension corresponding to the base A, is then placed in the upper zone of the package.
- the side portions B above the cover 9 forming flaps R are folded on the cover 7, to obtain the package shown in Figure 4.
- a hot pressing is carried out on the upper surface of the package to obtain the sealed heat sealing of the flaps R on the cover 9.
- the tongue 4 the face in contact with the cover 9 does not has no coating, will not react to heat and will not be glued but simply bent in support on the lid 9.
- the resulting package therefore comprises an easy-to-grasp tab, because of large size and not glued, including a manual pull, assisted pre-cut 7 and tear strips 3 causes the easy opening of the package.
- the concept of the invention is not limited to the specific form of the sheets 2 proposed in the embodiment described above by way of example. It could be implemented with sheets of slightly different shape, or to manufacture prismatic packaging, cylindrical base, hexagonal ...
- the skilled person will adapt the shape of the sheet to obtain a tongue size friendly, whose surface corresponds at least to that of the thumb and the index used for its capture, and whose shape, which may differ from the substantially triangular shape of the embodiment described, allows a distribution on the film that does not generate or little drop of material.
- the sheet will also have a shape such that it defines a drop of material on the film that will be used and glued on the tongue, as described above.
- the easy opening device rests on a tongue of a size such that it can easily be grasped manually;
- the opening tongue has a double thickness and therefore a resistance sufficient not to tear under the pulling force;
- the opening tongue is not glued on the rest of the packaging, so there is no discomfort to grasp it,
- the opening tongue is formed in a packaging made of plastic material
- the manufacturing process generates little or no material drop from the film 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0500385A FR2880869B1 (fr) | 2005-01-14 | 2005-01-14 | Dispositif d'ouverture d'un emballage |
| PCT/IB2006/000036 WO2006075229A1 (fr) | 2005-01-14 | 2006-01-11 | Dispositif d'ouverture d'un emballage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1836109A1 true EP1836109A1 (fr) | 2007-09-26 |
| EP1836109B1 EP1836109B1 (fr) | 2013-10-23 |
Family
ID=34953983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06700994.4A Expired - Lifetime EP1836109B1 (fr) | 2005-01-14 | 2006-01-11 | Dispositif d'ouverture d'un emballage |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1836109B1 (fr) |
| FR (1) | FR2880869B1 (fr) |
| WO (1) | WO2006075229A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3106341B1 (fr) * | 2020-01-22 | 2022-01-28 | Bel | Emballage pour produit alimentaire formé d’une feuille scellée sur elle-même |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH475127A (fr) * | 1968-07-04 | 1969-07-15 | Kustner Freres Et Cie S A | Procédé de fabrication d'un réceptacle servant d'emballage à un produit pâteux, semi-pâteux, semi-liquide, liquide ou pulvérulent et réceptacle obtenu selon ce procédé |
| FR2499025A1 (fr) * | 1981-02-03 | 1982-08-06 | Fermiers Reunis | Emballage de conditionnement a ouverture facile, notamment pour produits alimentaires pateux |
| CH690996A5 (fr) * | 1996-04-26 | 2001-03-30 | Kustner Ind Sa | Procédé et installation de conditionnement d'un produit pâteux. |
| CH696167A5 (fr) * | 2002-12-04 | 2007-01-31 | Fromageries Bel S A | Emballage de conditionnement étanche pour produit pâteux. |
| FR2854388B1 (fr) * | 2003-04-29 | 2005-08-05 | Bel Fromageries | Emballage pour produit alimentaire, ensemble comprenant un tel emballage et un produit alimentaire, et feuille pour la formation d'un tel emballage. |
-
2005
- 2005-01-14 FR FR0500385A patent/FR2880869B1/fr not_active Expired - Fee Related
-
2006
- 2006-01-11 EP EP06700994.4A patent/EP1836109B1/fr not_active Expired - Lifetime
- 2006-01-11 WO PCT/IB2006/000036 patent/WO2006075229A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006075229A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2880869B1 (fr) | 2009-04-24 |
| FR2880869A1 (fr) | 2006-07-21 |
| WO2006075229A1 (fr) | 2006-07-20 |
| EP1836109B1 (fr) | 2013-10-23 |
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