EP1789341B1 - Fermeture - Google Patents
Fermeture Download PDFInfo
- Publication number
- EP1789341B1 EP1789341B1 EP05758424A EP05758424A EP1789341B1 EP 1789341 B1 EP1789341 B1 EP 1789341B1 EP 05758424 A EP05758424 A EP 05758424A EP 05758424 A EP05758424 A EP 05758424A EP 1789341 B1 EP1789341 B1 EP 1789341B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- rotary closure
- oxygen
- active surface
- closure
- 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.)
- Not-in-force
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Classifications
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- 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
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
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- 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
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
- B65D51/244—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with oxygen absorbers
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- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
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- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00314—Combination, e.g. laminates, several different materials
Definitions
- the invention relates to a rotary closure with a guarantee strip, according to the preamble of claim 1.
- Food is increasingly stored and distributed in plastic containers. This applies in particular to beverages, for example for fruit juices and beer, which are stored in polyethylene terephthalate (PET) bottles.
- PET polyethylene terephthalate
- the closures for these bottles usually also contain plastic, in particular polyethylene (PE) or polypropylene (PP).
- PE polyethylene
- PP polypropylene
- an increase in the shelf life of the food can be achieved by the degradation of the oxygen trapped in the sealed bottle.
- an oxygen scavenger so-called "oxygen scavenger”
- oxygen scavenger ie with a material having oxygen scavenging or deoxidizing properties.
- the oxygen scavenger material is much more expensive than the plastics used to make the closure.
- a production of a one-piece cap made of plastic with a sufficiently high proportion of oxygen scavenger material would therefore be uneconomical.
- a closure cap with an insert for example a liner with oxygen scavenger material
- at least two further process steps in the production namely the separate production of the liner, and the joining of the liner with the closure cap, at.
- increasing the concentration of oxygen scavenger material in the insert part increases the material costs.
- the active surface is increased by the formation of a kind of "height profile" that is regularly formed, that is not due to material defects, manufacturing tolerances or statistical surface roughness. Rather, the profile is selected and essentially reproducible.
- a comparison surface is a corresponding, ie a surface with the same outline and the same arrangement with respect to the first component, but with different height profile used. This (fictitious) comparison surface should be essentially flat, ie without significant height differences.
- the terms “profile” and “even” should be construed as meaning “profile” a number of changes in height in a direction perpendicular to the main direction of extension of the surface (which may also be determined locally in a given surrounding area of the considered area)
- the term “even” refers to a substantially constant height with respect to the (possibly locally determined) principal direction of extent of the surface.
- the comparison surface could also be represented as the projection of the outline of the (real) active surface onto a plane or as a projection onto the surface of the sub-surface of the first component.
- the active surface will be arranged to contact the interior of the container when the bottle is closed. This creates a larger reaction surface which can react with the oxygen enclosed in the bottle, in particular in the region above the fill level.
- the activity and in particular the capacity of the oxygen scavenger by the oxygen scavenger is increased in this way.
- the material costs for the relatively expensive oxygen scavenger material decrease, since a profound effect is achieved by the profiling of the active surface, without having to increase the thickness of the second component or the concentration of oxygen scavenger in the second component. Due to the increased active surface, so much oxygen can be extracted from the interior of the bottle that the required durability requirements can be met.
- the nature and concentration of the oxygen scavenger material and the selection of the profile of the active surface can be coordinated so that sufficient oxygen is removed.
- depressions, niches, recesses u. ⁇ . which are part of the profile, are formed so that due to the surface tension of the filled liquid no liquid can penetrate into the recesses and with the lying in the recesses active surface in contact. Thus, only the oxygen present in the trapped air can interact with these regions of the active surface located in the recesses.
- oxygen scavengers As oxygen scavengers, a variety of materials are known, of which a suitable material is selected in terms of efficiency, uptake capacity, cost, and manufacturing properties.
- the oxygen deprivation can z. B. based on absorption, adsorption or other chemical reactions.
- the plastic from which the first component is made may in particular comprise polyethylene (PE), polypropylene (PP), but also polyethylene terephthalate (PET).
- the plastic bottles, for which the closure is provided, are preferably made of PET material. However, the plastic material for the closures and the bottles should not be limited to these substances.
- the active surface preferably has webs.
- the formation of lands on a surface is known to increase the surface area from a substantially planar surface.
- the webs are here to equate projections, as well as steps that result from the formation of recesses, niches, or depressions. All height changes in the surface cause, with the same footprint, an increased active surface.
- the type and fineness of the profiling determines the size of the active surface in contact with the interior of the bottle and thus the trapping capacity of the oxygen scavenger material.
- the webs may be arranged in a ring.
- the desired active surface can be adjusted, for example by way of their height.
- the webs may be arranged like a grid. This results in a lattice structure, as in a framework, with intervening depressions.
- the structure of the arrangement of the webs and their mutual alignment can be chosen arbitrarily in the context of this invention.
- the active surface has a wave-like or rib-like structure.
- the active surface may alternatively also have a lamellar structure.
- the lamellar structure by selecting the fineness, the number and the distance of the lamellae to each other, the enlargement of the active surface in a wide range can be specified.
- the lamellae generally point away perpendicularly from the (imaginary) unprofiled surface.
- the active surface is increased by a factor of 5, preferably by a factor of 10, compared with a substantially planar active surface.
- the second component is disposed on a surface of the first component bounded by an annular inner seal, the annular inner seal forming part of the first component. Owns in this particular execution the cap an annular inner seal, which applies to the closure of the bottle to the inside of the bottle neck and so seals to the outside.
- the second component with the oxygen scavenger material is located virtually on the ceiling of the interior of the closure cap within this circular inner seal. There is the largest area available, which is in closed bottle in contact with the interior of the bottle. According to the invention, the active surface can be increased by the formation of the profile to almost any degree, if the available "flat" surface is not large enough to provide a sufficient oxygen scavenging capacity.
- the second component is spaced from the inner seal on the surface of the first component. A, albeit small, distance between the inner seal and the second component ensures that the inner seal is not hindered by the oxygen scavenger structure, but is still flexibly connected to the cover part of the closure cap. It can thus ensure the sealing function without impairment.
- the first and second components will usually adhere to each other.
- a kind of mechanical connection between the components can also be made.
- the second component may have one or more mechanical apertures into which fasteners connected to the surface of the first component, such as rivets or pins, may engage. This creates a kind of riveted joint between the components.
- the rivets or pins on the first component can be made for example by injecting material (i.d.R. PE) into the openings.
- the second component is preferably fused to the first component.
- it is also a purely mechanical connection, as described above, a bonding, or the like conceivable.
- additional mechanical holding means for example grooves or recesses, can be provided, which improve the hold of the two components by increasing the friction and / or their contact surface area.
- the first component of the closure according to the invention may at least partially have a coating comprising a material whose permeability to oxygen is less than that of the plastic.
- This coating of a suitable, d. H. Physiologically acceptable, tasteless and impermeable to oxygen material, it will be provided in the above-described two-component cap primarily in the inner region of the cap on the side walls of the cap. Alone by this measure, the penetration of oxygen through the closure into the bottle interior can be effectively reduced.
- this embodiment represents a combination of measures that both contribute to the solution of the same task, namely to keep the oxygen content in the bottle interior as low as possible. However, it may also turn out that one of the measures is already sufficient to ensure effective protection against oxygen and thus from the deterioration of the food.
- the permeability to oxygen can be substantially reduced even with a layer that is very thin compared to the thickness of the cap wall.
- Suitable coating materials are thus characterized by a low oxygen permeability.
- criteria such as physiological safety, taste neutrality, material costs and manufacturing properties will play a crucial role in the selection process.
- the coating material comprises in particular polyamide.
- Polyamide has all of the above favorable properties required to serve as a coating material.
- the permeability to oxygen, even with thin layers of usually 10 microns, is very low. This results in the coating with polyamide effective protection against ingress of oxygen into the interior of the sealed bottle.
- the coating may be at least partially disposed in the interior of the closure.
- the coating will be arranged mainly in the region of the side wall of the closure cap, that is to say in the threaded region.
- the closure preferably has an internal thread, and the coating is arranged at least partially in the region of the internal thread.
- the coating is preferably suitable for acting as a dry lubricating film between the thread of a plastic bottle and the internal thread of the closure.
- a suitable material as z.
- polyamide can be used exceptionally well as a lubricant, apart from its oxygen-absorbing properties.
- the material, applied in a thin layer, can serve as a dry lubricating film. While in the plastic materials used for the bottles and the caps the static friction is usually greater than the sliding friction, the friction coefficients for polyamide are substantially equal.
- the formation of a thin sliding film in the area of the internal thread can substantially reduce the torque which is necessary during opening, in particular in the initial phase of turning a screw cap. In this way, problems when opening a sealed bottle for the first time are avoided and the convenience of operating the closure is increased.
- polyamide can be used as the coating material.
- the coating is at least partially applied in the interior of the closure.
- the application of the material can be done for example by a brush, a sponge, an ink pad or other application.
- a layer of suitable thickness is created to meet the demands placed on it.
- a thin layer about 10 microns thick, may already be sufficient to effectively reduce or prevent the penetration of oxygen through the cap.
- an existing cap need not be conceptually changed in any way, since the layer thickness is in the range of manufacturing tolerances of existing caps.
- the layer thickness can basically be chosen as desired.
- the coating is applied in particular at least partially in the region of an internal thread of the closure.
- the already described properties of the polyamide are useful as a lubricant.
- the closure forms the layer in the region of the internal thread a dry sliding film, which prevents the screw cap from sticking to the bottle.
- Fig. 1 is a conventional one-piece cap 1, designed as a screw cap, shown for a plastic bottle.
- annular inner seal 7 which has a projection 7a, which engages when closing the bottle to the inside of the bottle neck.
- a guarantee strip 8 connects, which engages under a provided on the bottleneck of the bottle to be closed bead, and fulfills a security and warranty function.
- the closure cap 1 After filling the bottle, the first time closing with the cap 1, air is usually trapped in the range above the level of the filled bottle.
- PE Polyethylene
- PP polypropylene
- Fig. 2 shows an embodiment of a closure cap according to the invention 1. This has, in addition to those in connection with the conventional one-piece cap 1 according to FIG. 1 Parts 2, 3, 4, 5, 6, 7, 8 (which are to be called the first component together), a further component 9. It is at the in FIG. 2 shown cap 1 to a two-piece cap.
- the additional component 9 comprises at least one oxygen scavenger, which is activated by the moist air in the upper region of the bottle interior and intercepts the oxygen located there, for example by adsorption, absorption or by other suitable chemical reactions.
- the second component 9 forms a barrier against penetration of further oxygen into the bottle interior.
- the component 9 is arranged in the exemplary embodiment on the inner surface of the cover part 3 of the closure cap 1. In particular, it is disposed within a region bounded by the annular inner seal 7 on the surface of the ceiling part 3. How out Fig. 2 is clear, between the inner side 7b and the outer edge 9c of the component 9, a gap 10 is present, ie, the inner seal 7 and the component 9 are not in contact with each other to the mobility of the inner seal 7, which closes when the bottle against the Press the inside of the bottle neck, not to interfere.
- the second component 9 Due to the fact that the second component 9 covers a large area of the ceiling part 3, it also prevents a high degree of penetration of oxygen through the ceiling part 3, since the oxygen scavenger in the component 9 also has good barrier properties against the penetration of oxygen.
- the free surface of the component 9 is not smooth or flat, but profiled.
- the surface has projections 9a and recesses 9b.
- the profiling increases the surface area compared to a flat or smooth surface, resulting in a larger reaction area for the oxygen.
- the absorption / adsorption / reaction probability and capacity is increased without increasing (possibly even decreasing) the concentration of the relatively expensive "oxygen scavengers" in component 9.
- the increased surface area gives component 9 a more effective effect.
- FIGS. 3a to 3c show different embodiments of the profiling of the free surface of the component 9 according to Fig. 2 ,
- a profile with annular ridges 9a and intermediate recesses (or grooves) 9b is shown.
- the height of the webs 9a can be adjusted so that there is a desired active surface. Magnifications of the surface are conceivable by virtually any, sometimes large factors.
- Fig. 3b shows a free surface of the component 9 with a lamellar structure.
- the component 9 has slats 9c projecting from a base surface, giving the free surface a brush-like appearance. Again, the cross section of the slats, their distance from each other and their length can be adjusted according to the requirements of the oxygen scavenging properties of the component 9.
- FIG. 3c Another example of a profile structure according to the invention of component 9 shows Fig. 3c , Here, a "framework structure" is shown with a plurality of parallel and perpendicular to each other extending webs 9d defining a number of recesses 9e.
- the depressions 9e according to the structure of Fig. 3c may be chosen to be so small that liquids can not penetrate into the recesses of the component 9 due to the surface tension. Since the wells are thus accessible only to gases or the trapped air, damage to the active oxygen scavenging regions by the liquid and an associated deactivation of the free surface of the component 9 can be largely excluded. This advantage should also be able to be made use of in the context of the invention by the corresponding design of other surface structures.
- the in Fig. 2 shown cap produced by a two-component injection molding process.
- a good adhesion between the base body 2, 3, 4, 5, 6, 7, 8 and the component 9 can be achieved by suitable selection of the matrix material of the component 9, in which the oxygen scavenger is introduced.
- an "oxygen scavenger" which is readily miscible with polyethylene, and the main body 2, 3, 4, 5, 6, 7, 8 is made of polyethylene, the conditions for injection molding and good weldability are particularly good
- the material selection should not be limited to this example in the context of this invention, but include all known in the art possibilities.
- connection between the components can also be purely mechanical or be accomplished by gluing.
- a mechanical connection webs or recesses may be provided either in the ceiling part 3 or in the second component 9 in the transition region of the two parts in order to increase the friction and thus the adhesion of the components to each other.
- the profiled, for example laminated, free surface of the component 9 can already be produced during the injection molding process, that is to say predetermined by the injection mold.
- two basic steps for producing the closure cap 1 are sufficient. Any after-treatment of the sprayed surface can be dispensed with.
- Fig. 4 a second embodiment of a closure cap 1 according to the invention is shown.
- the closure cap 1 which consists essentially of a side part 2, a ceiling part 3, an internal thread 4, an outer seal 5, 6, an inner seal 7 and a guarantee strip 8, as associated with FIG. 1 described exists, is formed here in one piece.
- the invention should also be applicable to composite multi-piece caps.
- the closure cap 1 is made of a suitable plastic, for example polyethylene (PE) or polypropylene (PP). These plastics, as already explained, do not have very good barrier properties with respect to oxygen, so that oxygen penetrates through the cover part 3 and / or through the side part 2 into the inside of the bottle and impairs the life of the food.
- PE polyethylene
- PP polypropylene
- a part of the inside of the cap 1 was coated with polyamide.
- the polyamide layer 11a, 11b is located in particular on the side part 2 and on the ceiling part 3, wherein the inner seal 7 was not coated in this example.
- the polyamide coating which serves as an oxygen barrier, are applied with a layer thickness of only about 10 microns can, which is less than the manufacturing tolerances in the production of the cap 1.
- Polyamide is particularly suitable for the purpose of the invention for several reasons.
- polyamide is physiologically harmless, tasteless and also has an antibacterial effect.
- the barrier properties for oxygen are favorable even with a thin polyamide layer.
- the polyamide layer 11a, 11b can be easily applied, for example by applying the dissolved in a solvent polyamide on the inside of the cap 1. When applied in this way can be accurately determined which area of the inside of the cap 1 to be coated.
- Fig. 5 For example, only the side part 2 in the region of the internal thread 4 was coated with a polyamide layer 11a.
- the polyamide layer 11a thus prevents penetration of oxygen through the coating area 11a on the side part 2.
- the ceiling part 3 equipped with an oxygen scavenger in the form of a second component 9, so an additional coating of the ceiling part with polyamide is not necessary.
- the formation of a barrier 11a on the side part 2, however, in combination with the oxygen scavenger can contribute to keeping the oxygen content in the interior of the bottle particularly effectively at a sufficiently low level.
- the measures as in Fig. 2, 3rd . 4 or 5 shown to be sufficient to produce conditions in which the bottle-filled food remains stable, as each of the measures is suitable for reducing the influence of oxygen on the stored food.
- the invention is therefore intended to encompass each of the described durability measures per se as well as all combinations of the measures shown.
- the coating in the region of the internal thread 4 of the closure cap 1 is also advantageous in another respect.
- conventional plastic bottles in conjunction with the associated plastic caps often has the problem that when first opening the bottle a large torque must be used to to allow opening the bottle at all. This is not only user-unfriendly, but can in extreme cases result in a user being unable to open the bottle at all. This is primarily due to unfavorable coefficients of friction of the plastic materials used (the stiction between these materials is usually greater than the sliding friction).
- Polyamide on the other hand is excellently suitable as a lubricant.
- a dry sliding film can be formed by a polyamide coating 11a in the threaded area 4, which allows better handling of the closure, in particular the required torque or the required force when first opening the bottle significantly reduced. Since the material properties of polyamide are therefore also advantageous in this respect, a coating only the threaded portion in some cases may well be useful.
- the coating 11a, 11b with polyamide can be done, for example, by applying a polyamide solution.
- a polyamide solution As a result, as soon as the solvent has evaporated, a very thin polyamide layer is formed, for example with a layer thickness of about 10 ⁇ m.
- the evaporation of the solvent can be accelerated by heating, for example at temperatures between 80 and 120 ° C.
- the adhesion of the layer to the closure cap 1 can be improved by activating the surface to which the polyamide is to be applied by flaming during the production of the closure cap 1 before the coating.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Closures For Containers (AREA)
- Formation And Processing Of Food Products (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Packages (AREA)
Claims (16)
- Fermeture rotative (1) comprenant une bande de garantie, en particulier pour la fermeture de bouteilles en matière plastique, comprenant au moins deux composants, le premier composant (2, 3, 4, 5, 6, 7, 8) étant en matière plastique, le deuxième composant (9) contenant un absorbeur d'oxygène, et les premier et deuxième composants étant combinés entre eux de manière telle que le deuxième composant présente une surface libre servant de surface de réaction pour l'oxygène et une surface qui soit disposée sur le premier composant, un joint d'étanchéité intérieur (7), de forme annulaire, étant configuré sur le premier composant, joint d'étanchéité intérieur qui, lors de la fermeture d'une bouteille en matière plastique, vient en appui sur le côté intérieur du col de la bouteille, la surface libre formée par le deuxième composant comprenant une surface active qui présente un profil comportant des parties en saillie (9a) et des parties en creux (9b), de manière telle que la surface active soit augmentée au moins de trois fois par rapport à une surface active correspondante sans profil, donc une surface essentiellement plane.
- Fermeture rotative (1) selon la revendication 1, caractérisée en ce que la surface active présente des nervures (9a, 9d).
- Fermeture rotative (1) selon la revendication 2, caractérisée en ce que les nervures (9a) sont disposées en forme d'anneau.
- Fermeture rotative (1) selon la revendication 2, caractérisée en ce que les nervures (9d) sont disposées en forme de grille.
- Fermeture rotative (1) selon la revendication 1, caractérisée en ce que la surface active présente une structure de type à ondulations ou à nervures.
- Fermeture rotative (1) selon l'une des revendications précédentes 1 ou 5, caractérisée en ce que la surface active présente une structure en lamelles.
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que la surface active est augmentée de 5 fois, de préférence de 10 fois, par rapport à une surface active sensiblement plane.
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que le deuxième composant (9) est disposé sur une surface du premier composant, laquelle surface est délimitée par le joint d'étanchéité intérieur (7) de forme annulaire.
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que le deuxième composant (9) est disposé sur la surface du premier composant, en étant espacé du joint d'étanchéité intérieur (7).
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que les premier et deuxième composants (9) adhèrent l'un à l'autre.
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que le deuxième composant (9) est fondu sur le premier composant.
- Fermeture rotative (1) selon l'une des revendications précédentes, caractérisée en ce que le premier composant en matière plastique présente, au moins partiellement, un revêtement (11a, 11b) qui comprend un matériau dont la perméabilité à l'oxygène est inférieure à celle de la matière plastique.
- Fermeture rotative (1) selon la revendication 12, caractérisée en ce que le matériau du revêtement comprend du polyamide.
- Fermeture rotative (1) selon l'une des revendications 12 ou 13, caractérisée en ce que le revêtement est disposé au moins partiellement dans la zone intérieure de la fermeture rotative.
- Fermeture rotative (1) selon l'une des revendications 12 à 14, caractérisée en ce que la fermeture rotative (1) comporte un filetage intérieur (4), et le revêtement (11a, 11b) est disposé au moins partiellement dans la zone du filetage intérieur (4).
- Fermeture rotative (1) selon la revendication 15, caractérisée en ce que le revêtement (11a, 11b) est approprié pour agir comme un film lubrifiant sec, entre un filetage d'une bouteille en matière plastique et le filetage intérieur (4) de la fermeture rotative.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004036815A DE102004036815A1 (de) | 2004-07-29 | 2004-07-29 | Verschluss und Verfahren zur Herstellung eines Verschlusses |
PCT/EP2005/007433 WO2006012973A1 (fr) | 2004-07-29 | 2005-07-08 | Fermeture et procede de production d'une fermeture |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1789341A1 EP1789341A1 (fr) | 2007-05-30 |
EP1789341B1 true EP1789341B1 (fr) | 2011-01-26 |
Family
ID=34972058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05758424A Not-in-force EP1789341B1 (fr) | 2004-07-29 | 2005-07-08 | Fermeture |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1789341B1 (fr) |
AT (1) | ATE496844T1 (fr) |
DE (2) | DE102004036815A1 (fr) |
ES (1) | ES2360409T3 (fr) |
WO (1) | WO2006012973A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010006426B4 (de) * | 2010-02-01 | 2017-07-27 | Georg Menshen Gmbh & Co. Kg | Verschluss für einen Behälter |
DE102010049390B3 (de) * | 2010-10-26 | 2012-02-23 | Alfelder Kunststoffwerke Herm. Meyer Gmbh | Dichtscheibe |
EP3418251A1 (fr) * | 2017-06-22 | 2018-12-26 | OAM GmbH | Fermeture pour un récipient de boisson |
EP3418250A1 (fr) * | 2017-06-22 | 2018-12-26 | OAM GmbH | Fermeture pour un récipient de boisson |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8803062D0 (en) * | 1988-02-10 | 1988-03-09 | Grace W R & Co | Sealed containers & sealing compositions for them |
US5064698A (en) * | 1989-02-16 | 1991-11-12 | Wm. Wrigley, Jr. Company | Food packaging improvements |
JPH0741930B2 (ja) * | 1991-04-19 | 1995-05-10 | 東洋製罐株式会社 | 迅速酸素吸収性容器蓋 |
JPH04339772A (ja) * | 1991-05-09 | 1992-11-26 | Toyo Seikan Kaisha Ltd | ライナー付容器蓋及びその製造方法 |
US6511726B1 (en) * | 2000-09-27 | 2003-01-28 | Kraft Foods Holdings, Inc. | Flavor retention and release system |
FR2828172B1 (fr) * | 2001-07-31 | 2004-02-13 | Rical Sa | Bouchon comportant un joint solidarise a sa paroi transversale, au centre d'une jupe interieure |
US20030222046A1 (en) * | 2002-04-11 | 2003-12-04 | Schenck Timothy T. | Plastic barrier closure and method of fabrication |
-
2004
- 2004-07-29 DE DE102004036815A patent/DE102004036815A1/de not_active Withdrawn
-
2005
- 2005-07-08 AT AT05758424T patent/ATE496844T1/de active
- 2005-07-08 WO PCT/EP2005/007433 patent/WO2006012973A1/fr active Application Filing
- 2005-07-08 ES ES05758424T patent/ES2360409T3/es active Active
- 2005-07-08 DE DE502005010913T patent/DE502005010913D1/de active Active
- 2005-07-08 EP EP05758424A patent/EP1789341B1/fr not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
WO2006012973A1 (fr) | 2006-02-09 |
EP1789341A1 (fr) | 2007-05-30 |
DE502005010913D1 (de) | 2011-03-10 |
DE102004036815A1 (de) | 2006-03-23 |
ES2360409T3 (es) | 2011-06-03 |
ATE496844T1 (de) | 2011-02-15 |
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