WO2001096197A2 - Dispositif de fermeture - Google Patents

Dispositif de fermeture Download PDF

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Publication number
WO2001096197A2
WO2001096197A2 PCT/EP2001/006716 EP0106716W WO0196197A2 WO 2001096197 A2 WO2001096197 A2 WO 2001096197A2 EP 0106716 W EP0106716 W EP 0106716W WO 0196197 A2 WO0196197 A2 WO 0196197A2
Authority
WO
WIPO (PCT)
Prior art keywords
closure device
container
sleeve part
sleeve
film
Prior art date
Application number
PCT/EP2001/006716
Other languages
German (de)
English (en)
Other versions
WO2001096197A3 (fr
Inventor
Utz Kador
Lydia Ellen Neumann
Original Assignee
Utz Kador
Lydia Ellen Neumann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Utz Kador, Lydia Ellen Neumann filed Critical Utz Kador
Priority to AU2001283859A priority Critical patent/AU2001283859A1/en
Publication of WO2001096197A2 publication Critical patent/WO2001096197A2/fr
Publication of WO2001096197A3 publication Critical patent/WO2001096197A3/fr

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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1616—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a filter
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers

Definitions

  • the invention relates to a closing device for containers, in particular for bottles, which are intended to hold liquids or gases, especially wine bottles.
  • Natural cork is disadvantageous because its advantageous properties are lost when it dries up and, on the other hand, complete wetting of the cork also leads to a loss of sealing properties.
  • a particularly serious disadvantage of natural cork is that it can be attacked by bacteria or fungi by default or later, and these bacteria or fungi pass on to the wine and spoil it. This is particularly the case with soaked corks.
  • cork from the cork oak bark is complex. In the end, good natural cork is very expensive, even in relation to a quality wine.
  • the object of the invention is to provide a closure device for containers, in particular bottles for liquids and especially for wine bottles, which are simple to produce, simple to use, and good Seal and - if desired - with definable gas permeability.
  • the invention is based on the knowledge that this object can be achieved by a closure device in which an inner seal between the closure device and the inner wall of the container is combined by means of a sleeve with a separation between the interior and the exterior by a film or plate.
  • the additional decisive advantage is achieved that the sleeve is pressed against the inner wall of the container by the internal pressure in the container. The higher the pressure in the container, the more pressure there is on the sleeve and the better the sealing takes place. This advantage is not achieved with a conventional cork that has the shape of a plug. In the case of a stopper, increased internal pressure causes liquid or gas to be pressed between the stopper and the inside wall of the bottle, which can lead to liquid leakage and wetting of the cork.
  • the invention relates to a closure device for containers, in particular bottles, with an opening, which is characterized in that it comprises a sleeve part which lies sealingly against the inner wall of the container and a closure part which is connected to the sleeve part and which separates the interior of the container from the Completes the outside atmosphere.
  • the closure device lies against the wall of the container in a sealing manner.
  • it is placed at the end of the neck-shaped opening, as in a conventional cork.
  • the seal takes place between the outer surface of the sleeve part and the inner surface of the neck-shaped opening of the bottle.
  • the sleeve part is preferably tubular or cylindrical and has a circular cross section.
  • the thickness of the sleeve part can be varied within wide limits.
  • the sleeve part is relatively thick-walled, so that the closure device is a stable structure and can be easily inserted into the bottle opening.
  • the wall thickness is, for example, 1 to 10 mm, preferably 2 to 6 mm, and in particular 3 to 4 mm.
  • the wall thickness of the sleeve part is very small. This is particularly considered in embodiments in which the interior of the sleeve is filled with another material.
  • the wall thicknesses are preferably between 0.01 mm and 2 mm, in particular 0.1 and 1 mm and preferably 0.2 and 0.6 mm.
  • the sleeve part can at the upper end, i.e. at the end, which, when inserted, is at the top of the bottle, beveled. This is advantageous for aesthetic reasons, because then little of the sleeve part can be seen in plan view.
  • the wall thickness can decrease, preferably decrease continuously. This has the advantage that the lower thin-walled area of the sleeve part can nestle against the inner wall of the container in a particularly well-sealing manner due to the internal pressure in the container.
  • the sleeve part is preferably made of plastic, such as polyethylene, polypropylene and other thermoplastic materials. Silicone rubber is also a preferred material.
  • the plastic should be toxicologically safe and suitable for food, and should be tasteless and odorless when the closure is used for wine bottles.
  • the properties of the plastic are to be selected so that a good seal between the sleeve part and the container, ie between the outer surface of the sleeve part and the inner wall of the container, takes place. For this reason, a soft, elastic, pliable plastic can be preferred. A suitable surface treatment to improve the sealing properties can also be considered. In addition to the sealing properties, the friction between the sleeve part and the container is also important. Less friction makes it easier to pull the closure device out of the container.
  • the plastics for the production of the sleeve part can be selected appropriately in this regard. Also suitable are plastics that are easily deformable at a slightly elevated temperature and that are good Allow to be inserted into the container opening, but then be stable at room temperature and fit well against the inner surface of the container.
  • the sleeve part is preferably designed aesthetically. This is achieved by coloring, decorations, lettering, etc. on the outer surface.
  • the length of the sleeve part depends primarily on the fact that the necessary seal between the sleeve part and the container is guaranteed in all cases. Preferred lengths are between 0.5 and 6 cm, preferably 1 to 4 cm, and in particular 2 to 3 cm.
  • the sleeve part extends further from its connection to the end part, in the inserted state in the direction of the container interior. This feature is essential because only then can an improved sealing effect be achieved, which is based on the fact that the increased internal pressure in the container, which can be a few bar for wine bottles, presses the sleeve part against the inner wall of the container, thereby increasing the seal. The higher the internal pressure, the more pressure on the sleeve part and the better seal.
  • the sleeve part preferably extends 10 to 95%, preferably 20 to 90%, in particular 30 to 80% further in the direction of the container interior.
  • the sleeve part extends further in the direction of the outside atmosphere.
  • the sleeve part extends from the end part further towards the outside atmosphere, preferably in a length of 10 to 50%, in particular 20 to 30%, of the total length of the sleeve part.
  • the end part separates the interior of the container from the outside atmosphere. This end part is connected in a sealing manner to the sleeve part, and can optionally be connected in a sealing manner.
  • the sleeve part and the end part can consist of the same materials, in particular plastic, or different materials.
  • the sleeve part and the end part are formed in one piece.
  • a film is used as the end part.
  • Nature also prefers to use a film or membrane to separate two rooms.
  • the permeability or permeability of a membrane with respect to liquids and gases can be varied within wide limits. This is of particular importance for closure devices for wine bottles, since films can be selected which do not allow liquid to pass through and in which, on the other hand, the gas permeability can be set to certain values. This preferred embodiment is described in more detail below.
  • the entire inner cross section of the sleeve is spanned by the film.
  • This inner cross section of the sleeve is freely selectable. It depends on the diameter of the opening of the container, but can be reduced as desired by the thickness of the sleeve wall or the design of the sleeve part. These variation options on the one hand provide different design options with regard to the sealing properties and strength of the closure device, and on the other hand the gas permeability in particular can be set to the desired values.
  • the sleeve part it not only has a usually cylindrical interior, but is designed as a cylindrical solid body with several passages, which among other things. has the advantage that foils with a smaller diameter can be used, which withstand the overpressure better.
  • plastics but also metals, such as aluminum, come into consideration as material. Suitable plastics are polyethylene, polypropylene and polyester.
  • Polyfluorotetraethylene is particularly preferred. This polymer is characterized by particular inertness and hydrophobicity.
  • Polyfluorotetraethylene can be stretched, and in this way porous, in particular microporous, membranes are obtained.
  • These membranes as they are known under the brand name GORETEX, are characterized by gas permeability on the one hand, but no liquid permeability on the other.
  • GORETEX gas permeability on the one hand
  • this can optimally ensure that on the one hand the bottle is securely closed and no wine emerges from the bottle, but on the other hand the desired gas exchange can take place between the environment and the bottle.
  • the porosity is preferably designed such that no liquid but also no solid particles, such as dust, fungi, bacteria and viruses, can get through the membrane.
  • porous membranes such as membranes made of polyurethane, can also be used.
  • the membranes can be self-supporting or laminated to another large-pore support, such as a fabric.
  • the films are preferably made hydrophobic if they are not inherently.
  • the films are preferably arranged in the body at a certain distance from the upper edge, so that slight damage to the film by mechanical influences is avoided. On the other hand, it can be advantageous to arrange the film close to the upper edge, because a lower overpressure then arises when the closure device is introduced into the container.
  • Preferably only one film is used.
  • a liquid passage can be reliably avoided.
  • the gas permeability can also be varied with several films.
  • the gas permeability of the film is of particular importance, especially when it comes to red wines that have been stored for many years.
  • the gas permeability can be set to optimum values by a variety of possible variations.
  • the cross-sectional area of the film is crucial.
  • the maximum area corresponds to that of the container opening. If the film is arranged at an angle, it can even be larger.
  • a reduction in the cross-sectional area is possible in a simple manner in that the sleeve part as a whole or only that part which is connected to the film has a greater wall thickness.
  • two or more foils can be arranged one above the other. This also has the advantage mentioned that if a film leaks, at least one of the other films seals.
  • the gas permeability can be determined by the configuration of the film itself, namely its thickness, the average pore diameter and the number of pores.
  • the film is preferably welded to the sleeve part. Alternatively, a clamp connection or gluing can be considered.
  • the open internal cross-section of the sleeve part if a large cross-section is desired, can be over 70% of the cross-section of the opening of the container, preferably between 80 and 95%, while alternatively, if a small cross-section is desired, ranges from 5 to 30%, preferably 10 to 20% can be provided.
  • the film is preferably designed in such a way, in particular, of such strength and thickness that it can be pierced by hand, which should be done with a simple hand tool.
  • the end part is plate-like or body-like.
  • This embodiment is particularly suitable when gas permeability through the closure device is not desired.
  • the design of the end part as a plate makes sense, because a plate-like design does not pose any problems with an increased internal pressure, which can be a few bar.
  • the closing part can also be designed to be body-shaped in order to give the closing device more the appearance of a conventional cork. Even with this embodiment, however, there always remains, at least in the lower part, i.e. towards the inside of the bottle, a sleeve part. This is necessary according to the invention, since this sleeve part is largely responsible for the good seal, since the internal container pressure acts on this sleeve part and increases the seal.
  • a one-piece design made of plastic is particularly suitable.
  • a stop can be provided on the upper part of the closure device, which prevents the closure device from being pressed too deep into the container opening when the closure device is introduced into the container.
  • the interior of the sleeve part is completely or partially filled with another material.
  • the outer sleeve interior can preferably be filled with a material that is particularly aesthetically pleasing.
  • cork material to give the closure device the appearance of a natural cork, or with wax, for example, or a plastic material in which indentations and elevations can be impressed in order to increase the aesthetic impression or to apply company logos.
  • the inner sleeve interior is filled with material.
  • material provided in the inner sleeve space is porous, so that the internal pressure of the container presses on the sleeve part.
  • a porous cork granulate or an open-cell plastic foam can be considered for such a material.
  • a cover plate can be provided on the side facing away from the container, connected to the sleeve part and / or the end part.
  • This cover plate can serve aesthetic purposes, and it can therefore be made from appropriately decorated or colored.
  • the cover plate can optionally seal tightly, or if gas permeability is desired, be provided with suitable openings, such as with a central bore, or be designed in the form of a grid.
  • the cover plate also serves to protect the film.
  • the cover plate is preferably made of plastic, with the same plastics as for the sleeve part being made of cork, wax or metal.
  • the closure device according to the invention is preferably produced by injection molding; when using a film, the prefabricated film disc is preferably encapsulated with the plastic in the injection mold. Alternatively, it is possible to connect extruded pipe pieces to the film.
  • One embodiment consists in providing an outer tube and a two-part inner tube, the film coming to rest between the two inner tubes and being held in a sealing manner by these.
  • the inner and outer tubes can be welded afterwards by heating.
  • the two inner tube parts can be very short, i.e. annular, are formed.
  • the inner tube and outer tube can preferably consist of elastic, well-sealing plastic, while the short inner tube ensures the strength and rigidity of the closure device.
  • the first option is to simply pierce the film with a simple tool, such as a stylus. It is particularly advantageous to use a tool that creates a star-shaped crack in the film because it makes pouring out easier.
  • the second option is to punch out and remove the film.
  • a third possibility is to use suitable tools, such as a screwdriver-like device, to pull the closure device out of the container.
  • Another variant is to pierce the film with a pouring device which remains in the closure device for pouring.
  • FIG. 1 shows a cross section of a bottle with the closure device inserted.
  • Figure 2 shows the closure device in a perspective sectional view.
  • FIGS 3, 4 and 5 and 6 cross sections of various preferred embodiments of the closure device.
  • the closure device 1 is shown inserted into a bottle 2.
  • the closure device 1 consists of a sleeve part 5, which lies sealingly against the inner wall 9 of the container 2.
  • the end part 6, in this case a film, is connected to the sleeve part 5.
  • the cover plate 8 forms the upper part of the closure device 1.
  • FIG. 2 shows a preferred embodiment of the closure device 1 with two foils 6, 6 ', which are sealingly connected to the sleeve part 5 and cover the entire inner cross section of the sleeve part 5.
  • FIG. 3 shows a preferred embodiment in which the wall thickness of the sleeve part 5 is significantly increased in the area in which it is connected to the film 6. Furthermore, the upper edge of the sleeve part 5 is provided with a bevel 12.
  • FIG. 4 A preferred embodiment is shown in FIG. 4, the sleeve part 5 having a much thicker wall thickness in the upper region, in order in this way to offer protection for the film.
  • FIG. 5 shows a preferred embodiment in which the sleeve part consists of an outer tube 10 and a two-part inner tube 11, 11 '.
  • the film is held sealingly between the two inner tubes 11, 11 '.
  • Inner tube 11, 11 'and outer tube 10, which preferably consist of different plastics, are sealingly connected to one another, preferably welded to one another.
  • FIG. 6 A preferred embodiment is shown in FIG. 6, in which the end part 6 is designed like a plate.
  • a stop 14 is provided at the upper edge.
  • the wall thickness tapers downwards.
  • the closure device is formed in one piece.
  • FIG. 7 shows a further preferred embodiment, the sleeve part 5 and the end part 6 also being formed in one piece.
  • the outer shell The interior is completely filled with another material. This is particularly useful for aesthetic purposes.
  • the inner sleeve interior is also filled with another material.
  • this material must be of such consistency or be arranged so that the internal pressure of the container acts on the sleeve part 5 through the material 15.
  • This configuration gives the closure device the appearance of a conventional cork.
  • very significant advantages are achieved by the features according to the invention, namely in particular a high sealing effect and the complete elimination of the problem of drying out or wetting the natural cork material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un dispositif de fermeture pour un contenant doté d'une ouverture. L'invention est caractérisée en ce qu'une partie manchon est plaquée de manière étanche contre la paroi intérieure du contenant et qu'une partie terminale, qui isole l'intérieur du contenant de l'extérieur, est raccordée à la partie manchon. Selon l'invention, la partie manchon, lorsqu'elle est introduite, s'étire au-delà de la partie terminale vers l'intérieur du contenant.
PCT/EP2001/006716 2000-06-16 2001-06-13 Dispositif de fermeture WO2001096197A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001283859A AU2001283859A1 (en) 2000-06-16 2001-06-13 Closing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10029760.9 2000-06-16
DE2000129760 DE10029760A1 (de) 2000-06-16 2000-06-16 Verschlusseinrichtung

Publications (2)

Publication Number Publication Date
WO2001096197A2 true WO2001096197A2 (fr) 2001-12-20
WO2001096197A3 WO2001096197A3 (fr) 2002-06-20

Family

ID=7646004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/006716 WO2001096197A2 (fr) 2000-06-16 2001-06-13 Dispositif de fermeture

Country Status (3)

Country Link
AU (1) AU2001283859A1 (fr)
DE (1) DE10029760A1 (fr)
WO (1) WO2001096197A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007060706A1 (fr) * 2005-11-22 2007-05-31 Cappello S.R.L. Bouchon permettant de boucher hermétiquement des bouteilles, en particulier des bouteilles de vin qu’il faut laisser vieillir
WO2010143624A1 (fr) * 2009-06-12 2010-12-16 ジャパンゴアテックス株式会社 Bouchon perméable à l'air et procédé d'inspection de bouchon perméable à l'air

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588956B1 (fr) * 2004-04-19 2009-01-07 Chemische Fabrik Dr. Weigert GmbH & Co. KG. Récipient pour produit liquide

Citations (1)

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Publication number Priority date Publication date Assignee Title
US3953566A (en) 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products

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FR1029591A (fr) * 1958-01-10 1953-06-03 Obturateur creux pour l'occlusion de tous orifices
DE2403244C3 (de) * 1974-01-24 1980-12-04 Riedel-De Haen Ag, 3016 Seelze Für Gase permeable, flüssigkeitsdichte Absperrvorrichtung
DE2509258A1 (de) * 1975-03-04 1976-09-16 Elbatainer Kunststoff Druckausgleichs-schraubkappe
DE8622818U1 (de) * 1986-08-26 1989-08-17 C.A. Greiner und Söhne GmbH & Co KG, 72622 Nürtingen Flasche zur Züchtung und Erhaltung von Zellkulturen
DE3814937C1 (en) * 1988-05-03 1989-06-22 Gerhard 6370 Oberursel De Steuding Vessel for wine or for drinks which contain wine or are similar to it
JPH10503993A (ja) * 1994-08-19 1998-04-14 ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド 凍結乾燥用のベント式バイアルと凍結乾燥された生産品の汚染を最少限にする方法
DE19626792C1 (de) * 1996-07-03 1998-02-26 Gore W L & Ass Gmbh Verfahren zur Herstellung eines Verschlußelements in Form eines Kunststoff-Spritzgußteils sowie ein durch dieses Verfahren hergestelltes Verschlußelement
DE29706798U1 (de) * 1997-04-15 1997-07-24 Innova/G Entwicklungsgesellschaft mbH, 85256 Vierkirchen Behälterverschluß

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US3953566A (en) 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products
US4187390A (en) 1970-05-21 1980-02-05 W. L. Gore & Associates, Inc. Porous products and process therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007060706A1 (fr) * 2005-11-22 2007-05-31 Cappello S.R.L. Bouchon permettant de boucher hermétiquement des bouteilles, en particulier des bouteilles de vin qu’il faut laisser vieillir
WO2010143624A1 (fr) * 2009-06-12 2010-12-16 ジャパンゴアテックス株式会社 Bouchon perméable à l'air et procédé d'inspection de bouchon perméable à l'air

Also Published As

Publication number Publication date
WO2001096197A3 (fr) 2002-06-20
DE10029760A1 (de) 2002-01-03
AU2001283859A1 (en) 2001-12-24

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