EP2574183A1 - Novel tab seal for sealing a container to be closed by a stopper or cap, and method for manufacturing same - Google Patents
Novel tab seal for sealing a container to be closed by a stopper or cap, and method for manufacturing sameInfo
- Publication number
- EP2574183A1 EP2574183A1 EP12706642A EP12706642A EP2574183A1 EP 2574183 A1 EP2574183 A1 EP 2574183A1 EP 12706642 A EP12706642 A EP 12706642A EP 12706642 A EP12706642 A EP 12706642A EP 2574183 A1 EP2574183 A1 EP 2574183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tongue
- complex
- heat
- lid
- length
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 title claims description 47
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 239000000853 adhesive Substances 0.000 claims abstract description 29
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 210000002105 tongue Anatomy 0.000 claims description 88
- 238000007373 indentation Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 15
- 230000006698 induction Effects 0.000 description 13
- -1 polyethylene terephthalate Polymers 0.000 description 12
- 239000000470 constituent Substances 0.000 description 9
- 239000002775 capsule Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 230000032798 delamination Effects 0.000 description 7
- 239000011888 foil Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 239000012793 heat-sealing layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920001897 terpolymer Polymers 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
-
- 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/04—Discs
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/009—Lower closure of the 51-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0093—Membrane
-
- 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2041—Pull tabs
- B65D2577/205—Pull tabs integral with the closure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
Definitions
- the invention relates to a new tongue seal intended to allow the closure of a closure container by cap or capsule and its method of sealing. manufacturing.
- closure containers by cap or capsule prior to their first opening, is performed by means of a seal which can be bondable or sealable, especially thermally on the rim.
- the invention more particularly relates to a heat-sealable seal.
- Such a seal consists of a lid placed around the entire upper rim of the neck of the container or drinking, thereby isolating the container from the outside, and on the other hand, a generally thicker support , inserted, without being fixed, at the bottom of the cap.
- the support and the lid Prior to the first opening of the container, the support and the lid may be secured by means of a temporary adhesive.
- the role of the cap is first of all to confer a inviolability of the container before the first opening.
- it provides the primary sealing vis-à-vis the outside.
- it must develop certain properties of compatibility with the content that it is supposed to isolate and for example be of food quality as soon as the content itself is food.
- the support meanwhile, is intended to absorb the tolerances between the bottom of the capsule and / or the cap and the upper part of the neck of the container, and in addition, to ensure secondary sealing when the lid has been totally or partially removed. It is therefore likely to provide some compression with memory effect to precisely allow to absorb these tolerances.
- the seal is inserted at the bottom of the capsule or cap. Once the container is filled, it comes to screw or clip the cap or the capsule with the seal on the container. The seal portion of the seal is then in contact with the rim. The sealing of the lid on the rim is then performed by induction heat sealing. This heat sealing is made possible by the combined action of a conductive material, inserted into the thickness of the seal, which, under the effect of an electric induction is heated, causing the softening film of the sealing on the rim. The conductive material is inserted into the thickness of the cap. When one proceeds for the first time to the opening of the container, the support inserted in the bottom of the cap disengages from the lid remained sealed on the rim. It is only then that the cap is removed by the consumer, sealing in the closed position of the container, then being assured only by the support part of the seal coming to press against the rim.
- Document DE3920324 describes an induction heat-sealable gasket consisting of a support and a lid provided with a tongue, the support and the lid being at no time secured to one another.
- Figure 1 only one of them (Figure 1) has a tongue turned over its entire surface.
- the tongue is constituted by the combination of a membrane and a sealing layer, the aluminum sheet being positioned in the support.
- JP 2000-191021 discloses a joint composed of a support and a seal associated with a temporary adhesive.
- the seal contains a tongue which is either turned over the support or hangs along the rim.
- US 4 754 890 discloses separately a lid and a support which are never associated temporarily.
- GB 2,330,134 discloses a seal associating a support and a cover by means of a layer of wax. It has a tongue that is returned with the heat sealing layer between the support and the cover.
- EP 2 045 194 A1 discloses a seal comprising a support and a lid provided with a tongue and associated by means of a temporary adhesive applied to the lid, once the tongue returned.
- the tongue consists solely of a reinforcing film devoid of heat-sealing layer. In this case, one is exposed to potential risks of delamination of the constituent layers of the seal at the time of tearing thereof.
- the tongue incorporates aluminum and has an S shape when folded. The presence of these two folds irremediably increases the thickness of the tongue which makes difficult the temporary assembly.
- WO 2010/115811 discloses a seal of the same type as above.
- the tongue contains aluminum, it is always provided with a heat seal layer on its underside.
- the heat-sealing layer is advantageously covered with an anti-adhesive film.
- the tab is made of a reinforcing film adjacent to the sealing layer, said tab being devoid of a heat seal layer and turned over an aluminum foil.
- the mechanical strength of the tongue which may be more or less important depending on the nature and the number of layers constituting the lid, when the tongue is provided with heat-sealing film, the gluing of the tongue on the support at the time of l 'induction,
- the rigidity of the cap because of its thickness, generally greater than 200 micrometers
- the Applicant has developed a new seal comprising a lid provided with a tongue, the assembly having shape characteristics such that they allow the incorporation in said tongue of a sheet of conductive material including avoiding a too weak seal such as previously described. It follows that it becomes possible to return all the constituent layers of the lid, including the aluminum foil, with the exception of the heat seal layer. This has the consequence of avoiding the potential problems of delamination, strengthen the resistance of the tongue and facilitate the manufacturing process.
- the subject of the invention is a heat-sealable seal comprising a support made integral with a cap by means of a temporary adhesive, said cap being provided with a tongue whose entire surface is folded once on the face.
- the lid in contact with the corresponding face of the support, the lid comprising a complex comprising itself a reinforcing film and a sheet of conductive material, on the underside of which is applied a heat-sealing film, the temporary adhesive being applied over the entire surface of the lid once the tongue folded.
- the seal is characterized in that the complex has throughout its thickness a notch from which emerges the tongue, the fold formed by the tongue once it folded having a length less than that of the notch.
- the base of the tongue is shifted back relative to the periphery of the heat-sealing film, which means that the tongue-free surface of the reinforcing film / conductive material film complex is smaller than the surface of the heat-sealing film so that the complex does not cover the entire heat-sealing film.
- the combination of an indentation created in the reinforcing film / aluminum complex and a tongue whose length of the fold is narrow and less than that of the length of the indentation makes it possible to reduce the deflection as much as possible. That is the distance between the fold, once the tongue folded and the periphery of the heat sealing film. This has the advantage of less disturbing the induced field, thus ensuring a uniform seal of all layers on the rim as well as a wider induction temperature range.
- the tongue emerges from the indentation created in the complex which means that the tongue emerges from the entire thickness of the complex.
- it consists of the same number of layers as the number of layers constituting the complex.
- this also makes it possible to avoid delamination phenomena of the constituent layers of the complex, to increase the resistance of the tongue and not to stick the tongue to the support (the lower face of the tongue is devoid of heat-sealing film).
- the seal consists exclusively of the complex on the underside of which the heat-sealing film is applied.
- the lid may comprise, on the upper face of the complex additional layers, of the type for example reinforcing film which will therefore not be part of the tongue. This will not affect the seal.
- the heat-sealing film is applied to the underside of the complex.
- the film is applied directly to the underside of the complex, regardless of the possible presence of a binder layer applied between the complex and the heat sealing layer.
- there is applied between the complex and the heat-sealing film at least a separate intermediate layer of a binder, which may be in particular a reinforcing film.
- the additional layer will not be part of the tongue.
- the indentation has at each of its ends a recessed area oriented towards the outside of the lid.
- each hollow zone has a radius of curvature of between 0.3 and 5 mm, advantageously between 0.5 and 2 mm.
- the fold is formed at the junction of the tongue itself and the notch. It has in practice a length of between 3 and 15 mm, advantageously between 5 and 10 mm.
- the notch has, for its part, advantageously a length of between 3 and 25 mm, preferably between 3.6 and 20 mm.
- the tongue itself is formed of two parts respectively a base and a gripping zone.
- the base may have curvilinear or rectilinear lateral edges or a succession of curvilinear and / or rectilinear edges. Regardless chosen embodiment, the distance separating the lateral edges in this zone is less than the length of the fold.
- the opposite side edges of the base have a hollow shape oriented towards the outside.
- the gripping zone may be of any shape, in particular of generally circular shape.
- the distance separating the two opposite lateral edges of the tongue is greater than the length of the fold.
- the sheet of conductive material is in the form of an aluminum foil or equivalent.
- the tongue comprises a complex consisting of an upper reinforcing film / sheet of conductive material / lower reinforcing film, the two reinforcing films being plastic films of the same chemical nature.
- the upper and lower reinforcement films may themselves consist of several films. In this case, at least the two outermost films are of the same chemical nature.
- the Applicant has found that such a construction makes it possible to bring into contact with the temporary adhesive, two surfaces of the same chemical nature, in this case, the upper reinforcing plastic film and the lower reinforcing plastic film once the folded tongue .
- the adhesive force between the temporary adhesive and the reinforcing films must be as small as possible to facilitate the separation between the cover and the support at the time of opening, without there being any risk of separation before placement of the seal on the rim, that is to say, especially during the transport of the seal.
- the fact that the two films are of the same chemical nature makes it possible moreover to have a homogeneous adhesion force between the temporary adhesive and the surface of the lid, including the surface of the tongue once folded. This force must also be less than the adhesion force of the cap on the rim after induction.
- one or the other or both reinforcing films can be printed.
- the printing of the lower reinforcing film makes it possible to clearly distinguish the tongue on the upper face of the lid, once the tongue has folded.
- the constituent material of the reinforcing film is chosen so that the resistance of said material is greater than that of the tearing force of the cover.
- the reinforcing films are, for example, biaxially oriented polyester films with a thickness of between 6 and 40 ⁇ .
- said reinforcing films are advantageously made of PET (polyethylene terephthalate), which is generally resistant to temperature.
- the heat-sealing film is made of a polyolefin-type material chosen from the group comprising polyethylene, polypropylene or PET, of the holt-melt type, or else of the terpolymer or ionomer type.
- the constituent material of the heat-sealing film is chosen according to the nature of the pot.
- the heat-sealing film may be a monolayer film applied to the underside of the complex by extrusion. It may also be a bilayer film (a heat-sealing lower layer proper and a binder upper layer) applied on the underside of the complex by coextrusion.
- the constituent layers of the cap may be associated by means of a binder, such as for example a two-component isocyanate-hydroxyl adhesive.
- the lid has a thickness of between 20 and 200 ⁇ , preferably between 30 and 120 ⁇ .
- the support may be made of any type of compressible material with recovery memory, in particular expanded polyethylene or expanded polypropylene, optionally provided on at least one of its two faces, with a polypropylene or polyethylene film to give it a certain rigidity . It can also be made of paper or cardboard. In practice, the supports envisaged have a thickness of between 0.5 and 4 mm, advantageously between 0.8 and 2 mm.
- a temporary adhesive applied in the form of a film, preferably extruded or coextruded, each of the two faces of the layer having a different stickiness, the most tacky face being applied to the lower surface of the support, while the less tacky face is applied to the upper face of the cover.
- a film is based on a polymer, generally synthetic, and judiciously chosen by those skilled in the art, so as to obtain the desired properties of differential bonding.
- polymers are, for example, polymers or co-polymers based on acetate, acrylate, polyethylene, etc.
- the temporary adhesive may also be in the form of a layer of wax.
- the cap as previously described and illustrated later can be used without support when the secondary seal is not required.
- the subject of the invention is also a method for manufacturing the heat-sealable seals described above.
- the method of the invention comprises the following steps:
- a pre-cut of tongue is produced in the complex, extending at its base by an indentation so that the length of the fold of the tongue when folded is less than that of the notch,
- the lower face of the complex is then permanently associated with the heat-sealing film, the assembly constituting the operculum strip,
- the support strip is then secured temporarily to the cover by means of a temporary adhesive, to form the joint strip,
- the joints of the desired shape are cut out over the entire thickness of the joined strip with regard to the tongues.
- the support strip is manufactured by association of films or foam materials constituting support, in particular those described above.
- the complex consists successively of an upper reinforcing film, a sheet of conductive material and a lower reinforcing film.
- the heat-sealing film is advantageously extruded or coextruded on the lower face of the complex.
- Figure 1 is a top view of the lid of the invention, in particular its tab in comparison with the lids of the prior art, the tongue being unfolded (la, le) or folded (lb, ld).
- Figure 2 is another embodiment of the tongue of Figure 1c.
- Figure 3 is a sectional representation of the seal of the invention, before securing the cap portion and the support portion according to a preferred embodiment.
- the invention lies in the combination, in a seal (support + cap), a specific form of tongue, the presence of aluminum in said tongue and the absence of heat seal layer always in the tongue.
- Figure 1 relates more particularly to the shape of the tabs of the cover.
- Figures 1a and 1b illustrate the shape of the tabs known from the prior art while Figures 1c and 1d relate to the shape of the tab in a preferred embodiment of the invention.
- the covers are each designated by the general reference 1. They each comprise the lid itself (2) of generally circular shape and the tongue (3).
- the lids are more precisely constituted by a heat-sealing film (4) and an aluminum complex / upper reinforcing film (5).
- Figures 1b, d distinguish the two heat sealing film elements (4) and complex (5) after folding of the tongue (3).
- the exact structure of the complex (upper reinforcement / aluminum) is not visible in these figures.
- the heat-sealing film (4) and the complex (5) are superimposed and therefore have the same surface.
- the tongue originates at the periphery (6) of the lid and extends directly to the outside of the lid.
- the length (h) of the fold (7) during folding is in this case equal to the distance (Li) separating the two ends (6) of the tongue.
- the arrow (Fi) is long which does not provide a satisfactory sealing of the heat-sealing film without increasing the power of induction.
- FIGs 1a and 1d there is shown a preferred form of the cap according to the invention.
- the tab itself shown in Figure 2 consists of a gripping zone (8) of length A and a base (9) of length B.
- the base (9) of the tongue emerges from a rounded indentation (10) recessed outwardly, formed in the complex (5), by definition recessed from the periphery of the heat-sealing film (4).
- the fold (7) is formed tangentially at the junction between the notch (10) and the base (9). As it appears in these figures, the fold (7) has a length (1 2 ) which is smaller than the recess length (L 2 ) (10).
- FIG. 3 shows a section of a seal according to the invention in a preferred embodiment.
- the seal defined in this figure consists of a support (1 1) and a cover (12) provided with a tongue (13).
- the operculum consists of two elements respectively a complex (14) and a heat-sealing film (15).
- the complex (14) itself consists of an upper reinforcing film (16), an aluminum foil (17) and a lower reinforcing film (18).
- the two reinforcing films are made of PET, that is to say of the same chemical nature. This thus makes it possible to have two chemically identical surfaces in contact with the temporary adhesive, which has the effect of:
- the heat-sealing film (15) is in turn made of polyethylene and applied on the underside of the complex (14) by extrusion or coextrusion.
- the total thickness of the lid is about 100 micrometers.
- the support comprises a layer (19) made of expanded polypropylene or polyethylene and has a thickness of between 1.4 and 1.7 mm.
- the tongue (13) is devoid of heat-sealing layer (15) and arranged recessed relative to the end of the heat-sealing layer, which corresponds to the depth of the notch (10) made in the complex (14).
- the temporary adhesive is in the form of an extruded film of the polyethylene type, each of the two faces of the film having a different adhesive capacity, the most tacky face being applied to the lower surface of the support, while the lesser face sticky is applied on the upper face of the operculum.
- these seals are positioned as such at the bottom of the cap, the cap is then screwed or clipped, as appropriate, on the neck of the container. Heat sealing of the seal is done by induction.
- the cover is first manufactured.
- a strip of complex reinforcing film / aluminum foil / lower reinforcement film is prepared. Spotted manner, it carries out in this complex a precut tab extending at its base by a notch so that the length of the fold of the tongue when folded is less than that of the notch.
- the entire surface of the tongues is then mechanically returned once to the upper face of the complex.
- the heat-sealing film is then extruded on the lower face of the complex, the assembly constituting the sealing strip.
- a support tape is prepared.
- the support strip is then temporarily secured to the lid by extrusion of the temporary adhesive to form the joint strip.
- the joints of the desired shape are cut out over the entire thickness of the joined strip with respect to the tongues.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12706642T PL2574183T3 (en) | 2011-08-01 | 2012-01-27 | Tab seal for sealing a container to be closed by a stopper or cap |
EP12706642.1A EP2574183B1 (en) | 2011-08-01 | 2012-01-27 | Tab seal for sealing a container to be closed by a stopper or cap |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1157057A FR2962719B1 (en) | 2011-08-01 | 2011-08-01 | NEW TAP SEAL FOR CLOSING A CAP OR CAPSULE CLOSURE CONTAINER AND METHOD OF MANUFACTURING THE SAME |
EP11187161.2A EP2554487B1 (en) | 2011-08-01 | 2011-10-28 | Tab seal for sealing a vessel to be closed by plug or cap and related manufacturing method |
US13/285,166 US8225954B1 (en) | 2011-08-01 | 2011-10-31 | Pull-tab seal for sealing a container with a plug or cap closure and production method |
PCT/FR2012/050181 WO2013017754A1 (en) | 2011-08-01 | 2012-01-27 | Novel tab seal for sealing a container to be closed by a stopper or cap, and method for manufacturing same |
EP12706642.1A EP2574183B1 (en) | 2011-08-01 | 2012-01-27 | Tab seal for sealing a container to be closed by a stopper or cap |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2574183A1 true EP2574183A1 (en) | 2013-04-03 |
EP2574183B1 EP2574183B1 (en) | 2015-06-24 |
Family
ID=44862774
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11187161.2A Not-in-force EP2554487B1 (en) | 2011-08-01 | 2011-10-28 | Tab seal for sealing a vessel to be closed by plug or cap and related manufacturing method |
EP12706642.1A Active EP2574183B1 (en) | 2011-08-01 | 2012-01-27 | Tab seal for sealing a container to be closed by a stopper or cap |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11187161.2A Not-in-force EP2554487B1 (en) | 2011-08-01 | 2011-10-28 | Tab seal for sealing a vessel to be closed by plug or cap and related manufacturing method |
Country Status (19)
Country | Link |
---|---|
US (2) | US8225954B1 (en) |
EP (2) | EP2554487B1 (en) |
JP (1) | JP5985636B2 (en) |
CN (1) | CN103619720B (en) |
AU (1) | AU2012291959B2 (en) |
BR (1) | BR112013033535A2 (en) |
CA (1) | CA2839664C (en) |
ES (2) | ES2527186T3 (en) |
FR (1) | FR2962719B1 (en) |
HK (1) | HK1191306A1 (en) |
HU (1) | HUE024975T2 (en) |
IL (1) | IL230170A (en) |
MX (1) | MX341509B (en) |
PL (2) | PL2554487T3 (en) |
PT (2) | PT2554487E (en) |
RU (1) | RU2587397C2 (en) |
UA (1) | UA111491C2 (en) |
WO (1) | WO2013017754A1 (en) |
ZA (1) | ZA201309580B (en) |
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US8998030B2 (en) * | 2011-02-07 | 2015-04-07 | Berry Plastics Corporation | Package with lid sealing system |
US9469445B2 (en) | 2011-02-07 | 2016-10-18 | Berry Plastics Corporation | Package with lid sealing system |
US9032698B2 (en) | 2011-07-07 | 2015-05-19 | Berry Plastics Corporation | Package with lid sealing system |
WO2013006858A1 (en) | 2011-07-07 | 2013-01-10 | Berry Plastics Corporation | Canister |
FR2962719B1 (en) * | 2011-08-01 | 2012-08-10 | Joints Manuf Generale | NEW TAP SEAL FOR CLOSING A CAP OR CAPSULE CLOSURE CONTAINER AND METHOD OF MANUFACTURING THE SAME |
WO2013093539A1 (en) * | 2011-12-19 | 2013-06-27 | Sa Des Eaux Minerales D'evian Saeme | Liquid filled bottle having a cover member with a label forming extension |
US9834331B2 (en) * | 2012-06-20 | 2017-12-05 | Tekni-Plex, Inc. | Scent permeation container seal, container including said seal and methods of making said seal and said container |
EP2708734B1 (en) * | 2012-09-13 | 2016-11-09 | ALSTOM Renewable Technologies | Wind turbine blade and methods for transporting, storing and installing wind turbine blades |
EP2716551B1 (en) | 2012-10-04 | 2016-03-23 | Å&R Carton Lund AB | Sealing membrane with pull-tab |
CA2846021C (en) * | 2013-03-15 | 2021-06-08 | Selig Sealing Products, Inc. | Inner seal with an overlapping partial tab layer |
CN105263813B (en) | 2013-05-03 | 2017-05-03 | 比瑞塑料公司 | Container closure |
US20150041357A1 (en) * | 2013-08-08 | 2015-02-12 | Richards Packaging Inc. -Emballages Richards Inc. | Cover sheet for pill receptacle and pillbox kit comprising same |
US20150183626A1 (en) * | 2014-01-02 | 2015-07-02 | Tresa Glenn Protzman | Process for bottling a mixed beverage into a glass |
WO2015112741A1 (en) | 2014-01-22 | 2015-07-30 | Berry Plastics Corporation | Package with peelable closure |
WO2016014825A1 (en) | 2014-07-23 | 2016-01-28 | Berry Plastics Corporation | Package with peelable closure |
US11267633B2 (en) | 2016-08-15 | 2022-03-08 | Intercontinental Great Brands Llc | Multi-layer film and reclosable film package |
CA3030994C (en) | 2016-08-15 | 2020-12-22 | Intercontinental Great Brands Llc | Multi-layer film and reclosable film package |
FR3060542B1 (en) | 2016-12-20 | 2019-02-01 | Manufacture Generale De Joints | NEW DOUBLE-PIECE TAPERED SEAL WITH MARKING FOR CLOSURE OF A CLOSURE CONTAINER BY CAP OR CAPSULE |
CN108657628B (en) * | 2018-04-03 | 2020-06-19 | 友达光电(厦门)有限公司 | Protective film and tearing method thereof |
KR20210031712A (en) * | 2018-07-09 | 2021-03-22 | 셀리그 실링 프로덕츠, 아이엔씨. | Improved gripping of the tab seal |
US10968017B2 (en) | 2019-03-01 | 2021-04-06 | Tekni-Plex, Inc. | Induction heat seal liner and method of manufacture |
US11370587B2 (en) | 2019-12-04 | 2022-06-28 | Tekni-Plex, Inc. | Aroma penetration heat seal liner and method of sealing a container |
US20230182978A1 (en) * | 2021-12-13 | 2023-06-15 | Sue Ellen Amanat | Tamper-evident seals for containers |
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FR2921347B1 (en) * | 2007-09-25 | 2011-08-19 | Joints Manuf Generale | TAPPED SEAL FOR CLOSING OF A CLOSURE CONTAINER BY CAP OR CAPSULE |
FR2943321B1 (en) * | 2009-03-18 | 2013-12-27 | Joints Manuf Generale | PERFORATED OPENING HAVING A TAPPING TAB FOR CLOSING A CONTAINER |
FR2943322B1 (en) * | 2009-03-18 | 2011-05-13 | Joints Manuf Generale | TAPPED SEAL FOR CAPTURING A CLOSURE CONTAINER BY CAP OR CAPSULE AND METHOD FOR MANUFACTURING THE SAME |
DE102009016312B3 (en) | 2009-04-06 | 2010-07-15 | Alfelder Kunststoffwerke Herm. Meyer Gmbh | Sealing washer with tab |
FR2962719B1 (en) * | 2011-08-01 | 2012-08-10 | Joints Manuf Generale | NEW TAP SEAL FOR CLOSING A CAP OR CAPSULE CLOSURE CONTAINER AND METHOD OF MANUFACTURING THE SAME |
-
2011
- 2011-08-01 FR FR1157057A patent/FR2962719B1/en not_active Expired - Fee Related
- 2011-10-28 PT PT111871612T patent/PT2554487E/en unknown
- 2011-10-28 EP EP11187161.2A patent/EP2554487B1/en not_active Not-in-force
- 2011-10-28 ES ES11187161.2T patent/ES2527186T3/en active Active
- 2011-10-28 PL PL11187161T patent/PL2554487T3/en unknown
- 2011-10-31 US US13/285,166 patent/US8225954B1/en not_active Expired - Fee Related
-
2012
- 2012-01-27 HU HUE12706642A patent/HUE024975T2/en unknown
- 2012-01-27 CA CA2839664A patent/CA2839664C/en not_active Expired - Fee Related
- 2012-01-27 PL PL12706642T patent/PL2574183T3/en unknown
- 2012-01-27 ES ES12706642.1T patent/ES2548953T3/en active Active
- 2012-01-27 PT PT127066421T patent/PT2574183E/en unknown
- 2012-01-27 EP EP12706642.1A patent/EP2574183B1/en active Active
- 2012-01-27 MX MX2013014995A patent/MX341509B/en active IP Right Grant
- 2012-01-27 RU RU2013158487/12A patent/RU2587397C2/en not_active IP Right Cessation
- 2012-01-27 BR BR112013033535A patent/BR112013033535A2/en not_active Application Discontinuation
- 2012-01-27 UA UAA201315391A patent/UA111491C2/en unknown
- 2012-01-27 AU AU2012291959A patent/AU2012291959B2/en not_active Ceased
- 2012-01-27 WO PCT/FR2012/050181 patent/WO2013017754A1/en active Application Filing
- 2012-01-27 JP JP2014523356A patent/JP5985636B2/en not_active Expired - Fee Related
- 2012-01-27 CN CN201280032009.XA patent/CN103619720B/en active Active
- 2012-06-28 US US13/536,427 patent/US8517201B2/en not_active Expired - Fee Related
-
2013
- 2013-12-18 ZA ZA2013/09580A patent/ZA201309580B/en unknown
- 2013-12-25 IL IL230170A patent/IL230170A/en not_active IP Right Cessation
-
2014
- 2014-05-07 HK HK14104315.4A patent/HK1191306A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
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See references of WO2013017754A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2548953T3 (en) | 2015-10-21 |
EP2574183B1 (en) | 2015-06-24 |
IL230170A (en) | 2017-12-31 |
PT2554487E (en) | 2014-12-22 |
PT2574183E (en) | 2015-08-04 |
US20130032598A1 (en) | 2013-02-07 |
ES2527186T3 (en) | 2015-01-21 |
CA2839664C (en) | 2018-03-13 |
JP5985636B2 (en) | 2016-09-06 |
AU2012291959B2 (en) | 2015-07-23 |
CN103619720A (en) | 2014-03-05 |
ZA201309580B (en) | 2014-12-23 |
HK1191306A1 (en) | 2014-07-25 |
WO2013017754A1 (en) | 2013-02-07 |
CA2839664A1 (en) | 2013-02-07 |
AU2012291959A1 (en) | 2014-01-16 |
CN103619720B (en) | 2015-11-25 |
PL2554487T3 (en) | 2015-05-29 |
FR2962719A1 (en) | 2012-01-20 |
EP2554487A1 (en) | 2013-02-06 |
US8517201B2 (en) | 2013-08-27 |
BR112013033535A2 (en) | 2017-02-07 |
UA111491C2 (en) | 2016-05-10 |
MX2013014995A (en) | 2015-04-16 |
HUE024975T2 (en) | 2016-01-28 |
US8225954B1 (en) | 2012-07-24 |
FR2962719B1 (en) | 2012-08-10 |
RU2013158487A (en) | 2015-07-10 |
JP2014525878A (en) | 2014-10-02 |
RU2587397C2 (en) | 2016-06-20 |
EP2554487B1 (en) | 2014-12-10 |
PL2574183T3 (en) | 2015-10-30 |
MX341509B (en) | 2016-08-22 |
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