EP0879179B1 - Cork for closing a bottle containing a effervescent liquid - Google Patents

Cork for closing a bottle containing a effervescent liquid Download PDF

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Publication number
EP0879179B1
EP0879179B1 EP96937384A EP96937384A EP0879179B1 EP 0879179 B1 EP0879179 B1 EP 0879179B1 EP 96937384 A EP96937384 A EP 96937384A EP 96937384 A EP96937384 A EP 96937384A EP 0879179 B1 EP0879179 B1 EP 0879179B1
Authority
EP
European Patent Office
Prior art keywords
cork
diameter
bottle
neck
vary
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.)
Expired - Lifetime
Application number
EP96937384A
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German (de)
French (fr)
Other versions
EP0879179A1 (en
Inventor
Jacques Pitoux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHAMP'INNOV
Original Assignee
CHAMP INNOV
CHAMP'INNOV
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Filing date
Publication date
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Publication of EP0879179A1 publication Critical patent/EP0879179A1/en
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Publication of EP0879179B1 publication Critical patent/EP0879179B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1683—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element by actuating a separate element in the container or closure
    • 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
    • B65D39/0052—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in more than one piece
    • B65D39/0064—Injection-molded plastic closures for "Champagne"-or "Sekt"-type bottles
    • 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
    • B65D39/12—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers expansible, e.g. inflatable

Definitions

  • the present invention relates to a device forming a plug for a bottle that contains an effervescent liquid such as champagne; it also relates to the method of implementing this device for corking and uncorking the bottle.
  • bottles which contain an effervescent liquid such as champagne, and more generally gaseous liquids are closed with cork or plastic caps.
  • These caps consist of a head which comes to bear on the neck of the bottle and this head is extended by a body of generally cylindrical or slightly frustoconical shape which is integrated in said neck.
  • These stoppers are generally locked on the neck by a metal wire cap accompanied by an equally metallic capsule.
  • the metal wire prevents untimely uncorking of the bottles due to the presence of internal gases under pressure. To allow consumption, this metal wire is removed manually and the pressurized gases participate directly in unblocking by promoting the ejection of the plug.
  • document FR-A-659,495 describes a plug provided with safety means in the form of an axial valve, allowing the controlled or automatic evacuation of part or all of the gases contained. in the bottle, if the internal pressure reaches an abnormal or even dangerous value.
  • the object of this document simply relates to a safety system aimed at preventing the presence of excessive pressure in the bottle.
  • Document DE-B-1 157 101 also discloses a closure device consisting of a plug associated with an axial piston provided with an operating head and a thickened end.
  • the piston can be placed either in an inactive position giving the cap body a small diameter to facilitate its positioning and its removal from the neck, or in an active closed position, in which the cap body has a larger diameter, so as to ensure a tight closure of the bottle.
  • This type of cap cannot be suitable for ensuring perfect opening security in the context of bottles containing an effervescent liquid.
  • the present invention provides a device in the form of a cap making it possible to facilitate and secure the opening of bottles containing an effervescent liquid such as champagne.
  • This device comprises a cork stopper consisting of a head which is intended to come to bear on the neck of the bottle, which head is extended by a body of generally cylindrical or slightly frustoconical shape intended to be integrated into said neck, and which cap includes means capable of allowing the evacuation of gases which are compressed above the conditioned liquid.
  • this device comprises means which make it possible to vary the diameter of the cap body, over at least part of its height, to make it take either an inactive position in which said cap body has a small diameter. to facilitate its positioning on the neck of the bottle and to facilitate its removal from said neck after evacuation of the compressed gases above the conditioned liquid, an active position in which said cap body has a larger diameter ensuring a hermetic closure from the bottle.
  • the cap body is enlarged during the bottling phase and it is sided by the user, to facilitate unclogging.
  • the user ensures himself the evacuation of the gases which are compressed above liquid packaged before separating the cap with the bottle neck.
  • the means which make it possible to vary the diameter of the cap body consist of an internal device integrated in a housing arranged in said plug body.
  • This device is suitable for occupying - an inactive position in which the cap body diameter is less than the inside diameter of the neck and - an active position in which the diameter of the plug body is magnified to obtain a hermetic seal in the neck of the bottle.
  • This internal device is adapted to allow application of regular pressure on at least one circular line of the face internal of the reception housing.
  • the means which make it possible to vary the diameter of the plug body consist, according to a first embodiment, of a bladder provided with inflation and deflation means, preferably in the form of valve (s).
  • a single valve can be used for both inflating and deflating the bladder; it is also possible to use a first valve for inflation and a second valve for deflation.
  • the inflation valve is activated when the bottle is closed.
  • the deflation valve is provided with actuating means which are arranged at the level of the cap head and which are intended to be handled by the user, when uncorking the bottle.
  • the means which make it possible to vary the diameter of the cap body consist of a device wedge shape whose longitudinal displacement ensures the spacing or constriction of fins which are distributed over the periphery of the housing of reception.
  • these means adapted to modify the diameter of the plug body consist of an elastically deformable device, actuated by a piston.
  • at least one elastic stud in the form of a cylinder is provided, threaded on an axis provided with a retaining base.
  • This or these cylindrical studs are subjected to the action of a piston which slides on said axis and which is provided with a removable lock for locking in the active compression position of said stud (s).
  • This lock is arranged at the level of the cap head so that it can be deactivated by the user.
  • two cylindrical studs are threaded on the support axis, separated by a spacer.
  • the means which allow the evacuation of compressed gases above the conditioned liquid are consist of a pipe arranged in the plug.
  • This pipe makes the connection between the interior volume of the bottle and the outside; it includes removable sealing means, of the kind valve (s), provided with actuating means arranged at the level of the cap head.
  • these degassing means consist of a pipe which is arranged in the stopper and which makes the connection between the inside volume of the bottle and the outside, which pipe opens into the inside volume of the bottle, at or above the means which make it possible to vary the diameter of the cap body.
  • the internal gases are evacuated when the user performs the operation of reducing the diameter of the plug body.
  • the closure device according to the present invention preferably includes a metal wire to lock the stopper on the neck of the bottle, which cradle allows to realize the degassing operation without risk of seeing the plug jump.
  • champagne bottle stopper the structure of which general is made of cork and which is intended to be locked on the neck of the bottle by a metal muselet with a capsule or a upper cap.
  • a metal muselet with a capsule or a upper cap.
  • Other derived embodiments can be envisaged; through example, the wire cap and the metal cap can, in some cases may not be necessary.
  • FIGS. 1 to 3 The embodiment which is illustrated in FIGS. 1 to 3 is consisting of a cork stopper 1 with an extended cylindrical head 2 by a cylindrical body 3 of smaller diameter.
  • Head 2 has a diameter which is greater than that of the neck 4 of the bottle while the diameter of the body 3 is slightly lower than that of said neck 4.
  • the part top of the stopper is made of agglomerated cork; the base of the body cylindrical 3 consists of two or three washers superimposed in natural cork.
  • the cap head 2 is cut transversely and a cylindrical housing 6 is arranged at inside the plug, in said head 2 and in the cylindrical body 3.
  • This housing 6 allows the reception of an internal mechanism 8 which is adapted to increase and decrease the diameter of the cylindrical body 3, and to allow the evacuation of gases which are compressed inside the bottle, present between the conditioned liquid and the cap.
  • This internal mechanism 8 ( Figures 1 and 3) consists of an inflatable bladder 10 which is disposed in the housing 6 so that it allows the application of pressure on the internal face thereof, on a at least part of the height of the cylindrical body 3.
  • the pressure applied must preferably be regular on at least one circular line of said internal face to ensure a suitable hermetic sealing.
  • the inflatable bladder 10 is subjected to the action of a piston valve 13, operable from the outside by a pull tab 14 in the form of a textile or metal tongue.
  • the valve 13 has an internal non-return type valve which allows the bladder 10 to be inflated by any suitable means; this valve also allows deflation of the bladder by a deactivation maneuver by means of the pull tab 14.
  • a pipe 16 extends from the end of the head 2 to the base of the cylindrical body 3
  • This pipe 16 connects the interior volume of the bottle and the exterior; it comprises removable closure means, in the form of a piston valve 17, operable from the outside by the pull tab 18.
  • the valve 17 is of the same type as the valve 13 which has just been described.
  • the plug head 2 has one or two orifices adapted for the passage of the drawbars 14 and 18: this or these orifices are arranged on the above or on the side of the cap head 2, depending on the positioning of the valves 13, 17 and their pull tab 14, 18.
  • the bladder 10 and the valves 13, 17 are carried by a core support 20.
  • this core 20 is consisting of a cylindrical piece 21 whose base 22 is extended by a axis 23 leading to a base 24.
  • the inflatable bladder 10 has a shape general cylindrical; it is positioned around axis 23 and it is fixed at one of its ends to the base 22 and at its other end on the base 24.
  • This bladder 10 can be made of any material suitable, such as latex or rubber for example. Its fixation on the base 22 and the base 24 can be produced by any technique ensuring a perfectly hermetic joint (bonding, crimping ).
  • the cylindrical part 21 is pierced by a pipe 25 which extends from its upper face to the base 22, inside the bladder 10.
  • the upper part of this pipe 25 receives the piston valve 13, secured by screwing for example.
  • the support core 20 is integrally traversed by the pipe 16 which extends from the upper face of the part 21 to the base 24 passing through the axis 23.
  • the line 16 is extended by a projecting cylindrical part 27 which is intended to be threaded through an orifice 28 arranged in the lower part of the plug body 3.
  • the upper part of the line 16 receives the piston valve 17, secured by screwing for example.
  • the support core 20 can be made in one piece by a plastic injection molding operation.
  • plug 1 After filling the bottle, plug 1 is integrated into the neck 4 in the traditional way. In this inactive position, the diameter of the plug body 3 is less than the diameter of the neck 4 ce which allows effortless positioning.
  • the bladder 10 is then inflated by means of the valve 13 and the diameter of the cylindrical body 3 increases regularly until the pressure applied to the internal wall of the neck is sufficient to obtain a hermetic seal. In this active position, if the plug was not integrated in the neck, the diameter of the cylindrical body would be greater than that of said neck. This difference in diameter is absorbed by the pressure applied and by the elasticity of the cork.
  • the muselet 30 is placed with the upper capsule 31 so not to hinder access to the drawbars 14 and 18; the whole is covered a protective and decorative sheet, aluminum or other.
  • two valves are used different ways to operate the inflatable bladder.
  • One of the valves is used for inflation, during the capping operation of the bottle; the other valve, fitted with the external pull, is used by the consumer when opening the bottle.
  • FIG. 5 illustrates a substantially different embodiment in which we find the cork 1 with its head 2 and its body cylindrical 3 housed in the neck 4 of the bottle.
  • the cap has been shown in the inactive shutter position, without the locking wire.
  • the internal mechanism 35 which makes it possible to vary the diameter of the plug body 3 consists of a wedge-shaped device 36 which actuates spacers in the form of radial fins 37.
  • the corner 36 and the fins 37 are housed in a blind hole 38 which extends on the axis of the plug 1 and which opens into the upper part of the head 2.
  • Hermetic sealing the plug is advantageously produced by mechanical means appropriate, moving corner 36 down and using a system locking device adapted to maintain this position, for example a lock in the shape of a needle or pin 39 inserted in an orifice 40 fitted in the plug head and in an orifice 41 fitted in the corner 36.
  • a system locking device adapted to maintain this position, for example a lock in the shape of a needle or pin 39 inserted in an orifice 40 fitted in the plug head and in an orifice 41 fitted in the corner 36.
  • the opening is done manually before removing the metal wire hood, by activating the pull tab 42 of the lock 39 and, if necessary, the zipper 43 from corner 36.
  • a degassing pipe connects the internal packaging volume to the outside.
  • This pipe can be associated with a valve operable by a pull from the outside, in a similar manner to the previous embodiment illustrated in Figures 1 to 4.
  • a simple pipe 44 without shut-off valve, which opens into the interior volume of the bottle, above or at the level of the means 35 which make it possible to vary the diameter of the cap body. In this way, when the mechanism 35 is activated, the hermetic application of the plug body 3 against the neck 4 prevents the internal gases from escaping.
  • this pipe 44 extends in the plug body 3, under the head 2 and perpendicular to the axial orifice 38. It connects said orifice 38 to the internal packaging volume, upstream of the annular seal 45 , but downstream of the compression line or cylinder defined by the mechanism 35 against the internal wall of the neck. The gases are evacuated through this pipe 44 and through the blind hole 38, on the periphery of the corner 36, when the latter is actuated.
  • a third possible embodiment is illustrated in the figures 6 and 7 in which we find the cork stopper 1 with its head 2 and its cylindrical body 3.
  • FIG. 6 shows this embodiment in the inactive position, that is to say with minimum cap body diameter.
  • the head 2 and the cylindrical body 3 are pierced by an axial orifice blind 50 which extends from the end of the head 2 to for example the top of the last layer of natural cork.
  • This orifice blind 50 has a generally cylindrical shape and it serves as a housing for a expander mechanism 51 in the form of an elastically device deformable, adapted to allow the diameter of the body to be varied plug over at least part of its height.
  • This mechanism 51 consists of an axis 52 provided with a base cylindrical 53 which comes to rest in the bottom of the housing 50.
  • the axis 52 has a length shorter than that of the blind housing 50 and it is centered at inside of it.
  • Two cylindrical pads 55 and 56 made of elastic material compressible, rubber type, are threaded on axis 52, separated by a rigid spacer 57. At rest, the rubber pads 55 and 56 have an external diameter slightly smaller than the internal diameter of the orifice 50.
  • the head 2 of the plug has a practically diametrical orifice 60, which crosses it right through, perpendicular to the axis of the orifice blind 50.
  • the axis 52 has a groove peripheral 62.
  • the axis 52 also has a other peripheral groove 63. The function of these two grooves 62 and 63 will be explained later.
  • a pipe 65 is arranged in the head of plug 2, from orifice 60 to the base of said head 2; this line 65 connects the exterior and the interior packaging volume.
  • the airtight sealing of the bottle is effected by actuating mechanically the piston 58 down to compress and deform the rubber pads 55 and 56. During this operation, the axis 52 is held in position to avoid deterioration of the lower part of the plug.
  • a locking bolt 66 in the form of a pin is inserted or needle fitted with a pull tab or external tongue 67.
  • the lock 66 passes through the body of the piston 58 passing through the groove 62 of the axis 52 to ensure effective blocking of the assembly. We thus obtain a mechanical blocking of the two expanded rubber pads 55 and 56.
  • the upper end of the orifice 50 can be closed off with a small cork capsule 68 and metal wire 69 which is suitable for lock the cap on the bottle neck can be positioned from classic way.
  • Uncorking the bottle is done by removing the lock 66 by pulling on the tongue 67.
  • the rubber pads 55, 56 return to their "rest” position by their own elasticity and body cylindrical 3 decreases in diameter.
  • the gases tablets above the packaged liquid reach port 65 and they are discharged to the outside through the lateral opening 60 or through the blind opening central 50.
  • the inner face of the blind hole 50 can be lined with gas-tight material to avoid the risk of degassing due to possible porosity of the cork used.
  • groove 62 can be replaced by an orifice through disposed on the diameter of the axis 52.
  • the orifice 60 is provided on the diameter of the plug head and the orifice 58 is arranged on the diameter of the piston 58.
  • FIG. 8 shows a possible embodiment of the mechanical device allowing the hermetic sealing by compression of the elastic pads 55 and 56.
  • This device consists of a holding jaw 70 whose lower hooks 71 are intended to be inserted into the peripheral groove 63 of the axis 52.
  • the jaw 70 is actuated elastically by a slide 72 whose end is intended to come to apply pressure on the piston 58 in order to ensure the compression of the pads 55 and 56.
  • the slide 72 is driven by actuating cylinders 73; during its downward movement to compress the studs 55 and 56, it is supported on a cutaway 74 arranged on the jaws 70 so as to cause the tightening of the hooks 71 in the groove 63.
  • the jaws 70 maintain constantly axis 52 during the compression operation of the elastically deformable mechanism.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Description

La présente invention concerne un dispositif formant bouchon pour une bouteille qui contient un liquide effervescent tel que du champagne ; elle concerne également le procédé de mise en oeuvre de ce dispositif pour le bouchage et le débouchage de la bouteille.The present invention relates to a device forming a plug for a bottle that contains an effervescent liquid such as champagne; it also relates to the method of implementing this device for corking and uncorking the bottle.

D'une façon traditionnelle, les bouteilles qui contiennent un liquide effervescent tel que du champagne, et plus généralement des liquides gazeux, sont obturées par des bouchons en liège ou en matière plastique. Ces bouchons sont constitués d'une tête qui vient prendre appui sur le goulot de la bouteille et cette tête est prolongée par un corps de forme générale cylindrique ou légèrement tronconique qui est intégré dans ledit goulot. Ces bouchons sont généralement verrouillés sur le goulot par un muselet métallique assorti d'une capsule également métallique.
Avant la consommation, le muselet métallique évite le débouchage intempestif des bouteilles du fait de la présence des gaz internes sous pression. Pour permettre la consommation, on enlève manuellement ce muselet métallique et les gaz sous pression participent directement au débouchage en favorisant l'éjection du bouchon.Traditionally, bottles which contain an effervescent liquid such as champagne, and more generally gaseous liquids, are closed with cork or plastic caps. These caps consist of a head which comes to bear on the neck of the bottle and this head is extended by a body of generally cylindrical or slightly frustoconical shape which is integrated in said neck. These stoppers are generally locked on the neck by a metal wire cap accompanied by an equally metallic capsule.
Before consumption, the metal wire prevents untimely uncorking of the bottles due to the presence of internal gases under pressure. To allow consumption, this metal wire is removed manually and the pressurized gases participate directly in unblocking by promoting the ejection of the plug.

Cette opération de débouchage nécessite bien souvent un effort important à l'utilisateur pour initier l'ouverture. Un autre inconvénient réside dans le fait que lors de l'ouverture, il arrive que les liquides sous pression jaillissent de manière incontrôlée, entraínant ainsi une perte de produit pouvant parfois aller jusqu'au tiers du volume de la bouteille.
En outre, l'éjection intempestive du bouchon peut constituer un danger pour les matériels ou les personnes qui sont situées dans l'environnement immédiat de la bouteille.This uncorking operation often requires significant effort on the part of the user to initiate the opening. Another disadvantage lies in the fact that during opening, it happens that the pressurized liquids spout out of control, thus causing a loss of product which can sometimes go up to a third of the volume of the bottle.
In addition, the untimely ejection of the stopper can constitute a danger for equipment or people who are located in the immediate environment of the bottle.

En marge de ces moyens d'ouverture traditionnels, le document FR-A-659 495 décrit un bouchon muni de moyens de sécurité en forme de clapet axial, permettant l'évacuation commandée ou automatique d'une partie ou de la totalité des gaz contenus dans la bouteille, dans le cas où la pression interne atteint une valeur anormale voire dangereuse.
L'objet de ce document concerne simplement un système de sécurité visant à éviter la présence d'une pression trop importante dans la bouteille. Au moment du débouchage, on retrouve les mêmes problèmes que ceux évoqués ci-dessus, ou bien l'extraction du bouchon s'avère difficile si la totalité des gaz a été évacuée.In addition to these traditional opening means, document FR-A-659,495 describes a plug provided with safety means in the form of an axial valve, allowing the controlled or automatic evacuation of part or all of the gases contained. in the bottle, if the internal pressure reaches an abnormal or even dangerous value.
The object of this document simply relates to a safety system aimed at preventing the presence of excessive pressure in the bottle. When unclogging, we find the same problems as those mentioned above, or the extraction of the plug is difficult if all of the gases have been removed.

On connaít encore par le document DE-B-1 157 101 un dispositif d'obturation constitué d'un bouchon associé à un piston axial muni d'une tête de manoeuvre et d'une extrémité épaissie. Le piston peut être placé, soit dans une position inactive conférant au corps de bouchon un petit diamètre pour faciliter son positionnement et son enlèvement du goulot, soit dans une position active de fermeture, dans laquelle le corps de bouchon a un diamètre plus important, de manière à assurer une fermeture étanche de la bouteille.
Ce genre de bouchon ne peut pas convenir pour assurer une parfaite sécurité d'ouverture dans le cadre de bouteilles contenant un liquide effervescent.Document DE-B-1 157 101 also discloses a closure device consisting of a plug associated with an axial piston provided with an operating head and a thickened end. The piston can be placed either in an inactive position giving the cap body a small diameter to facilitate its positioning and its removal from the neck, or in an active closed position, in which the cap body has a larger diameter, so as to ensure a tight closure of the bottle.
This type of cap cannot be suitable for ensuring perfect opening security in the context of bottles containing an effervescent liquid.

La présente invention propose un dispositif en forme de bouchon permettant de faciliter et de sécuriser l'ouverture des bouteilles contenant un liquide effervescent tel que du champagne.
Ce dispositif comprend un bouchon en liège constitué d'une tête qui est destinée à venir prendre appui sur le goulot de la bouteille, laquelle tête est prolongée par un corps de forme générale cylindrique ou légèrement tronconique destiné à être intégré dans ledit goulot, et lequel bouchon comporte des moyens aptes à permettre l'évacuation des gaz qui sont comprimés au-dessus du liquide conditionné. Conformément à l'invention, ce dispositif comporte des moyens qui permettent de faire varier le diamètre du corps de bouchon, sur au moins une partie de sa hauteur, pour lui faire prendre soit une position inactive dans laquelle ledit corps de bouchon a un petit diamètre permettant de faciliter son positionnement sur le goulot de la bouteille et permettant de faciliter son enlèvement dudit goulot après évacuation des gaz comprimés au-dessus du liquide conditionné, soit une position active dans laquelle ledit corps de bouchon a un diamètre plus important assurant un bouchage hermétique de la bouteille.The present invention provides a device in the form of a cap making it possible to facilitate and secure the opening of bottles containing an effervescent liquid such as champagne.
This device comprises a cork stopper consisting of a head which is intended to come to bear on the neck of the bottle, which head is extended by a body of generally cylindrical or slightly frustoconical shape intended to be integrated into said neck, and which cap includes means capable of allowing the evacuation of gases which are compressed above the conditioned liquid. According to the invention, this device comprises means which make it possible to vary the diameter of the cap body, over at least part of its height, to make it take either an inactive position in which said cap body has a small diameter. to facilitate its positioning on the neck of the bottle and to facilitate its removal from said neck after evacuation of the compressed gases above the conditioned liquid, an active position in which said cap body has a larger diameter ensuring a hermetic closure from the bottle.

Le corps de bouchon est grossi lors de la phase d'embouteillage et il est dégrossi par l'utilisateur, pour faciliter le débouchage. D'autre part, l'utilisateur assure lui-même l'évacuation des gaz qui sont comprimés au-dessus du liquide conditionné avant la séparation du bouchon avec le goulot de la bouteille.The cap body is enlarged during the bottling phase and it is sided by the user, to facilitate unclogging. On the other hand, the user ensures himself the evacuation of the gases which are compressed above liquid packaged before separating the cap with the bottle neck.

Toujours selon l'invention, les moyens qui permettent de faire varier le diamètre du corps de bouchon sont constitués d'un dispositif interne intégré dans un logement aménagé dans ledit corps de bouchon. Ce dispositif est adapté pour occuper - une position inactive dans laquelle le diamètre du corps de bouchon est inférieur au diamètre intérieur du goulot et - une position active dans laquelle le diamètre du corps de bouchon est grossi pour obtenir une obturation hermétique dans le goulot de la bouteille. Ce dispositif interne est adapté pour permettre l'application d'une pression régulière sur au moins une ligne circulaire de la face interne du logement de réception.Still according to the invention, the means which make it possible to vary the diameter of the cap body consist of an internal device integrated in a housing arranged in said plug body. This device is suitable for occupying - an inactive position in which the cap body diameter is less than the inside diameter of the neck and - an active position in which the diameter of the plug body is magnified to obtain a hermetic seal in the neck of the bottle. This internal device is adapted to allow application of regular pressure on at least one circular line of the face internal of the reception housing.

Les moyens qui permettent de faire varier le diamètre du corps de bouchon consistent, selon un premier mode de réalisation, en une vessie munie de moyens de gonflage et de dégonflage, de préférence en forme de soupape(s).
Une soupape unique peut être utilisée à la fois pour le gonflage et le dégonflage de la vessie; on peut également utiliser une première soupape pour le gonflage et une seconde soupape pour le dégonflage. La soupape de gonflage est actionnée lors de l'obturation de la bouteille. La soupape de dégonflage est munie de moyens d'actionnement qui sont disposés au niveau de la tête de bouchon et qui sont destinés à être manipulés par l'utilisateur, lors du débouchage de la bouteille.The means which make it possible to vary the diameter of the plug body consist, according to a first embodiment, of a bladder provided with inflation and deflation means, preferably in the form of valve (s).
A single valve can be used for both inflating and deflating the bladder; it is also possible to use a first valve for inflation and a second valve for deflation. The inflation valve is activated when the bottle is closed. The deflation valve is provided with actuating means which are arranged at the level of the cap head and which are intended to be handled by the user, when uncorking the bottle.

Selon une autre forme de réalisation, les moyens qui permettent de faire varier le diamètre du corps de bouchon consistent en un dispositif en forme de coin dont le déplacement longitudinal assure l'écartement ou le resserrement d'ailettes qui sont réparties sur la périphérie du logement de réception.According to another embodiment, the means which make it possible to vary the diameter of the cap body consist of a device wedge shape whose longitudinal displacement ensures the spacing or constriction of fins which are distributed over the periphery of the housing of reception.

Selon une troisième forme de réalisation, ces moyens adaptés pour modifier le diamètre du corps de bouchon consistent en un dispositif élastiquement déformable, actionné par un piston.
Dans ce cadre et selon une caractéristique préférée, on prévoit au moins un plot élastique en forme de cylindre, enfilé sur un axe muni d'une embase de retenue. Ce ou ces plots cylindriques sont soumis à l'action d'un piston qui coulisse sur ledit axe et qui est muni d'un verrou amovible de blocage en position active de compression dudit ou desdits plots. Ce verrou est disposé au niveau de la tête de bouchon pour pouvoir être désactivé par l'utilisateur.According to a third embodiment, these means adapted to modify the diameter of the plug body consist of an elastically deformable device, actuated by a piston.
In this context and according to a preferred characteristic, at least one elastic stud in the form of a cylinder is provided, threaded on an axis provided with a retaining base. This or these cylindrical studs are subjected to the action of a piston which slides on said axis and which is provided with a removable lock for locking in the active compression position of said stud (s). This lock is arranged at the level of the cap head so that it can be deactivated by the user.

Dans une forme de réalisation préférée, deux plots cylindriques sont enfilés sur l'axe support, séparés par une entretoise.In a preferred embodiment, two cylindrical studs are threaded on the support axis, separated by a spacer.

Selon un premier mode de réalisation, les moyens qui permettent l'évacuation des gaz comprimés au-dessus du liquide conditionné sont constitués d'une canalisation aménagée dans le bouchon. Cette canalisation fait la liaison entre le volume intérieur de la bouteille et l'extérieur ; elle comporte des moyens d'obturation amovibles, du genre soupape(s), munis de moyens d'actionnement disposés au niveau de la tête de bouchon.According to a first embodiment, the means which allow the evacuation of compressed gases above the conditioned liquid are consist of a pipe arranged in the plug. This pipe makes the connection between the interior volume of the bottle and the outside; it includes removable sealing means, of the kind valve (s), provided with actuating means arranged at the level of the cap head.

Selon un autre mode de réalisation, ces moyens de dégazage sont constitués d'une canalisation qui est aménagée dans le bouchon et qui fait la liaison entre le volume intérieur de la bouteille et l'extérieur, laquelle canalisation débouche, dans le volume intérieur de la bouteille, au niveau ou au-dessus des moyens qui permettent de faire varier le diamètre du corps de bouchon.
Dans ce cas, l'évacuation des gaz internes s'effectue lorsque l'utilisateur effectue l'opération de diminution du diamètre du corps de bouchon.According to another embodiment, these degassing means consist of a pipe which is arranged in the stopper and which makes the connection between the inside volume of the bottle and the outside, which pipe opens into the inside volume of the bottle, at or above the means which make it possible to vary the diameter of the cap body.
In this case, the internal gases are evacuated when the user performs the operation of reducing the diameter of the plug body.

Le dispositif de bouchage conforme à la présente invention comprend de préférence un muselet métallique pour verrouiller le bouchon sur le goulot de la bouteille, lequel muselet permet de réaliser l'opération de dégazage sans risque de voir le bouchon sauter.The closure device according to the present invention preferably includes a metal wire to lock the stopper on the neck of the bottle, which cradle allows to realize the degassing operation without risk of seeing the plug jump.

L'invention concerne encore le procédé de bouchage et de débouchage d'une bouteille utilisant le bouchon qui vient d'être décrit. Ce procédé consiste, pour le bouchage :

  • a) à placer le bouchon sur le goulot de la bouteille, après conditionnement du liquide,
  • b) à mettre en oeuvre les moyens qui permettent de faire varier le diamètre du corps de bouchon, pour augmenter ce diamètre en vue d'obturer hermétiquement ladite bouteille,
  • c) à placer éventuellement le muselet métallique,
    • et pour le débouchage :
  • d) à mettre en oeuvre les moyens qui permettent de faire varier le diamètre du corps de bouchon pour diminuer ce diamètre,
  • e) à évacuer les gaz comprimés au-dessus du liquide conditionné, cette opération pouvant être réalisée avant, pendant ou après l'opération d),
  • f) à enlever le cas échéant le muselet métallique, avant d'ôter librement le bouchon.
    •  The invention also relates to the method of corking and uncorking a bottle using the cork which has just been described. This process consists, for capping:
  • a) place the cap on the neck of the bottle, after conditioning the liquid,
  • b) using the means which make it possible to vary the diameter of the stopper body, in order to increase this diameter with a view to hermetically sealing said bottle,
  • c) possibly placing the metal muselet,
    • and for unblocking:
  • d) using the means which make it possible to vary the diameter of the plug body in order to reduce this diameter,
  • e) evacuating the compressed gases above the conditioned liquid, this operation being able to be carried out before, during or after operation d),
  • f) remove, if necessary, the metal wire cap, before removing the cap freely.

    • Mais l'invention sera encore illustrée, sans être aucunement limitée, par la description suivante de différents modes de réalisation, donnés uniquement à titre d'exemples et représentés sur les dessins annexés dans lesquels :

    • la figure 1 est une vue schématique d'un premier mode de réalisation possible du bouchon conforme à la présente invention, en coupe longitudinale ;
    • la figure 2 montre la partie en liège du bouchon de la figure 1, en deux tronçons ;
    • la figure 3 est une vue schématique qui montre de façon isolée le mécanisme interne qui permet de faire varier le diamètre du corps de bouchon et qui permet l'évacuation vers l'extérieur des gaz qui sont comprimés au-dessus du liquide conditionné ;
    • la figure 4 illustre en plusieurs étapes le mode d'utilisation du dispositif conforme à l'invention ;
    • la figure 5 représente, en coupe longitudinale et de façon schématique, un second mode de réalisation possible du bouchon conforme à l'invention ;
    • la figure 6 représente, toujours en coupe longitudinale, un troisième mode de réalisation possible, avant obturation hermétique ;
    • la figure 7 est une vue du mode de réalisation de la figure 6, en position d'obturation hermétique ;
    • la figure 8 est une vue schématique qui illustre les moyens de mise en place du bouchon selon le mode de réalisation des figures 6 et 7.
    However, the invention will be further illustrated, without being in any way limited, by the following description of various embodiments, given solely by way of examples and represented in the appended drawings in which:
    • Figure 1 is a schematic view of a first possible embodiment of the plug according to the present invention, in longitudinal section;
    • Figure 2 shows the cork part of the cap of Figure 1, in two sections;
    • Figure 3 is a schematic view which shows in isolation the internal mechanism which allows to vary the diameter of the cap body and which allows the evacuation to the outside of the gases which are compressed above the conditioned liquid;
    • FIG. 4 illustrates in several stages the mode of use of the device according to the invention;
    • Figure 5 shows, in longitudinal section and schematically, a second possible embodiment of the plug according to the invention;
    • FIG. 6 represents, still in longitudinal section, a third possible embodiment, before hermetic sealing;
    • Figure 7 is a view of the embodiment of Figure 6, in the sealed position;
    • FIG. 8 is a schematic view which illustrates the means for fitting the plug according to the embodiment of FIGS. 6 and 7.

    Les différents modes de réalisation illustrés sur les figures concernent un bouchon pour bouteille de champagne, dont la structure générale est réalisée en liège et qui est destiné à être verrouillé sur le goulot de la bouteille par un muselet métallique avec une capsule ou une coiffe supérieure. D'autres réalisations dérivées peuvent être envisagées ; par exemple, le muselet et la coiffe métallique peuvent, dans certains cas, ne pas être nécessaires.The different embodiments illustrated in the figures relate to a champagne bottle stopper, the structure of which general is made of cork and which is intended to be locked on the neck of the bottle by a metal muselet with a capsule or a upper cap. Other derived embodiments can be envisaged; through example, the wire cap and the metal cap can, in some cases may not be necessary.

    Le mode de réalisation qui est illustré sur les figures 1 à 3 est constitué d'un bouchon en liège 1 avec une tête cylindrique 2 prolongée par un corps cylindrique 3 de plus petit diamètre. La tête 2 a un diamètre qui est supérieur à celui du goulot 4 de la bouteille alors que le diamètre du corps 3 est légèrement inférieur à celui dudit goulot 4. La partie supérieure du bouchon est réalisée en liège aggloméré ; la base du corps cylindrique 3 est constituée de deux ou trois rondelles superposées en liège naturel.The embodiment which is illustrated in FIGS. 1 to 3 is consisting of a cork stopper 1 with an extended cylindrical head 2 by a cylindrical body 3 of smaller diameter. Head 2 has a diameter which is greater than that of the neck 4 of the bottle while the diameter of the body 3 is slightly lower than that of said neck 4. The part top of the stopper is made of agglomerated cork; the base of the body cylindrical 3 consists of two or three washers superimposed in natural cork.

    Comme on peut le voir sur la figure 2, la tête de bouchon 2 est coupée transversalement et un logement cylindrique 6 est aménagé à l'intérieur du bouchon, dans ladite tête 2 et dans le corps cylindrique 3. Ce logement 6 permet la réception d'un mécanisme interne 8 qui est adapté pour augmenter et diminuer le diamètre du corps cylindrique 3, et pour permettre l'évacuation des gaz qui sont comprimés à l'intérieur de la bouteille, présents entre le liquide conditionné et le bouchon.As can be seen in Figure 2, the cap head 2 is cut transversely and a cylindrical housing 6 is arranged at inside the plug, in said head 2 and in the cylindrical body 3. This housing 6 allows the reception of an internal mechanism 8 which is adapted to increase and decrease the diameter of the cylindrical body 3, and to allow the evacuation of gases which are compressed inside the bottle, present between the conditioned liquid and the cap.

    Ce mécanisme interne 8 (figures 1 et 3) est constitué d'une vessie gonflable 10 qui est disposée dans le logement 6 de telle sorte qu'elle permette l'application d'une pression sur la face interne de celui-ci, sur une partie au moins de la hauteur du corps cylindrique 3. La pression appliquée doit de préférence être régulière sur au moins une ligne circulaire de ladite face interne pour assurer un bouchage hermétique convenable.
    La vessie gonflable 10 est soumise à l'action d'une soupape à piston 13, manoeuvrable depuis l'extérieur par une tirette 14 en forme de languette textile ou métallique. La soupape 13 comporte un clapet interne du type anti-retour qui permet le gonflage de la vessie 10 par tout moyen approprié ; ce clapet permet également le dégonflage de la vessie par une manoeuvre de désactivation au moyen de la tirette 14.. D'autre part, une canalisation 16 s'étend depuis l'extrémité de la tête 2 jusqu'à la base du corps cylindrique 3. Cette canalisation 16 connecte le volume intérieur de la bouteille et l'extérieur ; elle comporte des moyens d'obturation amovibles, en forme de soupape à piston 17, manoeuvrable depuis l'extérieur par la tirette 18. La soupape 17 est du même type que la soupape 13 qui vient d'être décrite.    This internal mechanism 8 (Figures 1 and 3) consists of an inflatable bladder 10 which is disposed in the housing 6 so that it allows the application of pressure on the internal face thereof, on a at least part of the height of the cylindrical body 3. The pressure applied must preferably be regular on at least one circular line of said internal face to ensure a suitable hermetic sealing.
    The inflatable bladder 10 is subjected to the action of a piston valve 13, operable from the outside by a pull tab 14 in the form of a textile or metal tongue. The valve 13 has an internal non-return type valve which allows the bladder 10 to be inflated by any suitable means; this valve also allows deflation of the bladder by a deactivation maneuver by means of the pull tab 14. On the other hand, a pipe 16 extends from the end of the head 2 to the base of the cylindrical body 3 This pipe 16 connects the interior volume of the bottle and the exterior; it comprises removable closure means, in the form of a piston valve 17, operable from the outside by the pull tab 18. The valve 17 is of the same type as the valve 13 which has just been described.

    La tête de bouchon 2 comporte un ou deux orifices adaptés pour le passage des tirettes 14 et 18 : ce ou ces orifices sont aménagés sur le dessus ou sur le côté de la tête de bouchon 2, en fonction du positionnement des soupapes 13, 17 et de leur tirette 14, 18.The plug head 2 has one or two orifices adapted for the passage of the drawbars 14 and 18: this or these orifices are arranged on the above or on the side of the cap head 2, depending on the positioning of the valves 13, 17 and their pull tab 14, 18.

    La vessie 10 et les soupapes 13, 17 sont portées par un noyau support 20. Tel qu'on l'a représenté sur la figure 3, ce noyau 20 est constitué d'une pièce cylindrique 21 dont l'embase 22 se prolonge par un axe 23 aboutissant à un socle 24. La vessie gonflable 10 a une forme générale cylindrique ; elle est positionnée autour de l'axe 23 et elle est fixée à l'une de ses extrémités sur l'embase 22 et à son autre extrémité sur le socle 24. Cette vessie 10 peut être réalisée en toute matière convenable, genre latex ou caoutchouc par exemple. Sa fixation sur l'embase 22 et le socle 24 peut être réalisée par toute technique assurant une jointure parfaitement hermétique (collage, sertissage ...).The bladder 10 and the valves 13, 17 are carried by a core support 20. As shown in FIG. 3, this core 20 is consisting of a cylindrical piece 21 whose base 22 is extended by a axis 23 leading to a base 24. The inflatable bladder 10 has a shape general cylindrical; it is positioned around axis 23 and it is fixed at one of its ends to the base 22 and at its other end on the base 24. This bladder 10 can be made of any material suitable, such as latex or rubber for example. Its fixation on the base 22 and the base 24 can be produced by any technique ensuring a perfectly hermetic joint (bonding, crimping ...).

    La pièce cylindrique 21 est percée par une canalisation 25 qui s'étend depuis sa face supérieure jusqu'à l'embase 22, à l'intérieur de la vessie 10. La partie supérieure de cette canalisation 25 reçoit la soupape à piston 13, solidarisée par vissage par exemple.
    D'autre part, le noyau support 20 est intégralement traversé par la canalisation 16 qui s'étend depuis la face supérieure de la pièce 21 jusqu'au socle 24 en passant par l'axe 23. Au-delà du socle 24, la canalisation 16 se prolonge par une pièce cylindrique saillante 27 qui est destinée à s'enfiler dans un orifice 28 aménagé dans la partie inférieure du corps de bouchon 3.    The cylindrical part 21 is pierced by a pipe 25 which extends from its upper face to the base 22, inside the bladder 10. The upper part of this pipe 25 receives the piston valve 13, secured by screwing for example.
    On the other hand, the support core 20 is integrally traversed by the pipe 16 which extends from the upper face of the part 21 to the base 24 passing through the axis 23. Beyond the base 24, the line 16 is extended by a projecting cylindrical part 27 which is intended to be threaded through an orifice 28 arranged in the lower part of the plug body 3.

    La partie supérieure de la canalisation 16 reçoit la soupape à piston 17, solidarisée par vissage par exemple.The upper part of the line 16 receives the piston valve 17, secured by screwing for example.

    Le noyau support 20 peut être réalisé d'un seul tenant par une opération de moulage-injection de matière plastique.The support core 20 can be made in one piece by a plastic injection molding operation.

    La découpe en deux parties du bouchon de liège, illustrée sur la figure 2, permet de masquer pratiquement intégralement le mécanisme interne 8. Après insertion de ce mécanisme 8 dans l'orifice 6, les deux parties du bouchon sont resolidarisées par collage. Seuls le ou les orifices de passage des tirettes 14, 18 sont visibles. The cut in two parts of the cork, illustrated on the Figure 2, almost completely hide the mechanism internal 8. After inserting this mechanism 8 into port 6, the two parts of the plug are re-joined by gluing. Only the opening (s) passage of the zippers 14, 18 are visible.

    Après le remplissage de la bouteille, on intègre le bouchon 1 dans le goulot 4 de manière traditionnelle. Dans cette position inactive, le diamètre du corps de bouchon 3 est inférieur au diamètre du goulot 4 ce qui permet un positionnement sans effort.After filling the bottle, plug 1 is integrated into the neck 4 in the traditional way. In this inactive position, the diameter of the plug body 3 is less than the diameter of the neck 4 ce which allows effortless positioning.

    La vessie 10 est ensuite gonflée par l'intermédiaire de la soupape 13 et le diamètre du corps cylindrique 3 augmente régulièrement jusqu'à ce que la pression appliquée sur la paroi interne du goulot soit suffisante pour obtenir une obturation hermétique.
    Dans cette position active, si le bouchon n'était pas intégré dans le goulot, le diamètre du corps cylindrique serait supérieur à celui dudit goulot. Cette différence de diamètre est absorbée par la pression appliquée et par l'élasticité du liège.    The bladder 10 is then inflated by means of the valve 13 and the diameter of the cylindrical body 3 increases regularly until the pressure applied to the internal wall of the neck is sufficient to obtain a hermetic seal.
    In this active position, if the plug was not integrated in the neck, the diameter of the cylindrical body would be greater than that of said neck. This difference in diameter is absorbed by the pressure applied and by the elasticity of the cork.

    On place enfin le muselet 30 avec la capsule supérieure 31 de façon à ne pas gêner l'accès aux tirettes 14 et 18 ; l'ensemble est recouvert d'une feuille de protection et de décoration, en aluminium ou autre.Finally, the muselet 30 is placed with the upper capsule 31 so not to hinder access to the drawbars 14 and 18; the whole is covered a protective and decorative sheet, aluminum or other.

    L'ouverture de la bouteille s'effectue, tel qu'illustré sur la figure 4.

  • 1) On ôte la feuille de protection,
  • 2) On évacue les gaz comprimés entre le liquide conditionné et le bouchon, par une opération de traction sur la tirette 18 ; cette opération ouvre la canalisation 16, et les gaz sous pression s'échappent naturellement,
  • 3) On enlève le muselet 30 et la capsule 31,
  • 4) On actionne la tirette 14 pour dégonfler la vessie 10 et diminuer le diamètre du corps de bouchon 3, et enfin
  • 5) On réalise l'opération de débouchage proprement dite consistant à enlever le bouchon, ceci sans aucun effort.
    • The bottle is opened, as illustrated in Figure 4.
  • 1) We remove the protective sheet,
  • 2) The compressed gases are discharged between the conditioned liquid and the stopper, by a pulling operation on the pull tab 18; this operation opens the pipe 16, and the pressurized gases escape naturally,
  • 3) The wire 30 and the capsule 31 are removed,
  • 4) The pull tab 14 is actuated to deflate the bladder 10 and reduce the diameter of the plug body 3, and finally
  • 5) The actual uncorking operation is carried out which consists in removing the plug, this without any effort.

    • Bien entendu, si l'utilisateur le désire, il peut tout-à-fait ouvrir la bouteille de manière classique, c'est-à-dire en faisant « sauter » le bouchon après enlèvement du muselet métallique 30. Dans ce cas, les tirettes 14 et 18 ne sont pas utilisées.Of course, if the user wishes, he can completely open the bottle in a conventional manner, that is to say by "jumping" the cap after removal of the metal wire cap 30. In this case, the drawbars 14 and 18 are not used.

    Dans un mode de réalisation dérivé, on utilise deux soupapes différentes pour manoeuvrer la vessie gonflable. L'une des soupapes est utilisée pour le gonflage, lors de l'opération de bouchage de la bouteille ; l'autre soupape, munie de la tirette externe, est utilisée par le consommateur lors de l'ouverture de la bouteille.In a derivative embodiment, two valves are used different ways to operate the inflatable bladder. One of the valves is used for inflation, during the capping operation of the bottle; the other valve, fitted with the external pull, is used by the consumer when opening the bottle.

    La figure 5 illustre un mode de réalisation sensiblement différent dans lequel on retrouve le bouchon en liège 1 avec sa tête 2 et son corps cylindrique 3 logé dans le goulot 4 de la bouteille. Sur cette figure 5, le bouchon a été représenté en position inactive d'obturation, sans le muselet de verrouillage.FIG. 5 illustrates a substantially different embodiment in which we find the cork 1 with its head 2 and its body cylindrical 3 housed in the neck 4 of the bottle. In this figure 5, the cap has been shown in the inactive shutter position, without the locking wire.

    Le mécanisme interne 35 qui permet de faire varier le diamètre du corps de bouchon 3 consiste en un dispositif en forme de coin 36 qui actionne des organes d'écartement en forme d'ailettes radiales 37. Le coin 36 et les ailettes 37 sont logées dans un orifice borgne 38 qui s'étend sur l'axe du bouchon 1 et qui débouche dans la partie supérieure de la tête 2.The internal mechanism 35 which makes it possible to vary the diameter of the plug body 3 consists of a wedge-shaped device 36 which actuates spacers in the form of radial fins 37. The corner 36 and the fins 37 are housed in a blind hole 38 which extends on the axis of the plug 1 and which opens into the upper part of the head 2.

    Le déplacement axial du coin 36 vers le bas entraíne l'écartement des ailettes 37 et l'augmentation du diamètre du corps de bouchon 3. Son déplacement vers le haut entraíne le resserrement desdites ailettes 37 et la diminution du diamètre du corps de bouchon. L'obturation hermétique du bouchon est avantageusement réalisée par des moyens mécaniques appropriés, en déplaçant le coin 36 vers le bas et en utilisant un système de verrouillage adapté pour maintenir cette position, par exemple un verrou en forme d'aiguille ou de goupille 39 inséré dans un orifice 40 aménagé dans la tête de bouchon et dans un orifice 41 aménagé dans le coin 36. L'ouverture est réalisée manuellement avant enlèvement du muselet métallique, en actionnant la tirette 42 du verrou 39 et, si nécessaire, la tirette 43 du coin 36.The axial displacement of the corner 36 downward causes the spacing fins 37 and the increase in the diameter of the plug body 3. Its upward displacement causes the tightening of said fins 37 and reducing the diameter of the cap body. Hermetic sealing the plug is advantageously produced by mechanical means appropriate, moving corner 36 down and using a system locking device adapted to maintain this position, for example a lock in the shape of a needle or pin 39 inserted in an orifice 40 fitted in the plug head and in an orifice 41 fitted in the corner 36. The opening is done manually before removing the metal wire hood, by activating the pull tab 42 of the lock 39 and, if necessary, the zipper 43 from corner 36.

    Une canalisation de dégazage relie le volume interne de conditionnement à l'extérieur.
    Cette canalisation peut être associée à une soupape manoeuvrable par une tirette depuis l'extérieur, d'une manière similaire au mode de réalisation précédent illustré sur les figures 1 à 4. Comme on l'a représenté sur la figure 5, on peut également prévoir une simple canalisation 44, sans soupape d'obturation, qui débouche dans le volume intérieur de la bouteille, au-dessus ou au niveau des moyens 35 qui permettent de faire varier le diamètre du corps de bouchon. De la sorte, lorsque le mécanisme 35 est activé, l'application hermétique du corps de bouchon 3 contre le goulot 4 empêche les gaz internes de s'évacuer. En revanche, lorsque ces moyens sont désactivés et que le diamètre du corps de bouchon 3 a été diminué pour devenir inférieur au diamètre du goulot 4, les gaz comprimés atteignent ledit orifice et ils s'échappent naturellement vers l'extérieur, avant même d'enlever le muselet de verrouillage.
    En fait, le muselet plaque la tête 2 du bouchon contre la partie supérieure du goulot 4 et le joint étanche annulaire 45 ainsi formé, disposé en aval, n'empêche pas l'évacuation des gaz par la canalisation 44.    A degassing pipe connects the internal packaging volume to the outside.
    This pipe can be associated with a valve operable by a pull from the outside, in a similar manner to the previous embodiment illustrated in Figures 1 to 4. As shown in Figure 5, one can also provide a simple pipe 44, without shut-off valve, which opens into the interior volume of the bottle, above or at the level of the means 35 which make it possible to vary the diameter of the cap body. In this way, when the mechanism 35 is activated, the hermetic application of the plug body 3 against the neck 4 prevents the internal gases from escaping. On the other hand, when these means are deactivated and the diameter of the plug body 3 has been reduced to become less than the diameter of the neck 4, the compressed gases reach said orifice and they naturally escape towards the outside, even before remove the locking wire.
    In fact, the muselet presses the head 2 of the plug against the upper part of the neck 4 and the annular leaktight seal 45 thus formed, arranged downstream, does not prevent the evacuation of the gases by the pipe 44.

    Dans le mode de réalisation représenté, cette canalisation 44 s'étend dans le corps de bouchon 3, sous la tête 2 et perpendiculairement à l'orifice axial 38. Elle raccorde ledit orifice 38 au volume interne de conditionnement, en amont du joint annulaire 45, mais en aval de la ligne ou du cylindre de compression défini par le mécanisme 35 contre la paroi interne du goulot.
    L'évacuation des gaz s'effectue par cette canalisation 44 et par l'orifice borgne 38, sur le pourtour du coin 36, lors de l'actionnement de celui-ci.    In the embodiment shown, this pipe 44 extends in the plug body 3, under the head 2 and perpendicular to the axial orifice 38. It connects said orifice 38 to the internal packaging volume, upstream of the annular seal 45 , but downstream of the compression line or cylinder defined by the mechanism 35 against the internal wall of the neck.
    The gases are evacuated through this pipe 44 and through the blind hole 38, on the periphery of the corner 36, when the latter is actuated.

    Pour éviter l'échappement des gaz internes lors du stockage de la bouteille, du fait de la porosité éventuelle du liège, on peut prévoir de tapisser l'orifice interne 38 par un matériau étanche aux gaz.To avoid the escape of internal gases during storage of the bottle, due to the possible porosity of the cork, we can provide line the internal opening 38 with a gas-tight material.

    Un troisième mode de réalisation possible est illustré sur les figures 6 et 7 dans lequel on retrouve le bouchon en liège 1 avec sa tête 2 et son corps cylindrique 3.A third possible embodiment is illustrated in the figures 6 and 7 in which we find the cork stopper 1 with its head 2 and its cylindrical body 3.

    La figure 6 montre ce mode de réalisation en position inactive, c'est-à-dire avec un diamètre de corps de bouchon minimal.FIG. 6 shows this embodiment in the inactive position, that is to say with minimum cap body diameter.

    La tête 2 et le corps cylindrique 3 sont percés par un orifice axial borgne 50 qui s'étend depuis l'extrémité de la tête 2 jusqu'à par exemple la partie supérieure de la dernière couche de liège naturel. Cet orifice borgne 50 a une forme générale cylindrique et il sert de logement pour un mécanisme expanseur 51 en forme de dispositif élastiquement déformable, adapté pour permettre de faire varier le diamètre du corps de bouchon sur au moins une partie de sa hauteur.The head 2 and the cylindrical body 3 are pierced by an axial orifice blind 50 which extends from the end of the head 2 to for example the top of the last layer of natural cork. This orifice blind 50 has a generally cylindrical shape and it serves as a housing for a expander mechanism 51 in the form of an elastically device deformable, adapted to allow the diameter of the body to be varied plug over at least part of its height.

    Ce mécanisme 51 est constitué d'un axe 52 muni d'une embase cylindrique 53 qui vient reposer dans le fond du logement 50. L'axe 52 a une longueur inférieure à celle du logement borgne 50 et il est centré à l'intérieur de celui-ci. Deux plots cylindriques 55 et 56 en matière élastique compressible, genre caoutchouc, sont enfilés sur l'axe 52, séparés par une entretoise rigide 57. Au repos, les plots de caoutchouc 55 et 56 ont un diamètre externe légèrement inférieur au diamètre interne de l'orifice 50.This mechanism 51 consists of an axis 52 provided with a base cylindrical 53 which comes to rest in the bottom of the housing 50. The axis 52 has a length shorter than that of the blind housing 50 and it is centered at inside of it. Two cylindrical pads 55 and 56 made of elastic material compressible, rubber type, are threaded on axis 52, separated by a rigid spacer 57. At rest, the rubber pads 55 and 56 have an external diameter slightly smaller than the internal diameter of the orifice 50.

    Au-dessus du plot supérieur 55 on remarque la présence d'un piston 58 de forme générale cylindrique, également enfilé sur l'axe 52 et muni d'un orifice traversant 59 légèrement décalé par rapport à son diamètre.Above the upper stud 55 we notice the presence of a piston 58 of generally cylindrical shape, also threaded on the axis 52 and provided a through hole 59 slightly offset from its diameter.

    La tête 2 du bouchon comporte un orifice pratiquement diamétral 60, qui le traverse de part en part, perpendiculairement à l'axe de l'orifice borgne 50. Au niveau de cet orifice 60, l'axe 52 comporte une rainure périphérique 62. Dans sa partie supérieure, l'axe 52 comporte encore une autre rainure périphérique 63. La fonction de ces deux rainures 62 et 63 sera explicitée plus loin.The head 2 of the plug has a practically diametrical orifice 60, which crosses it right through, perpendicular to the axis of the orifice blind 50. At this orifice 60, the axis 52 has a groove peripheral 62. In its upper part, the axis 52 also has a other peripheral groove 63. The function of these two grooves 62 and 63 will be explained later.

    D'autre part, une canalisation 65 est aménagée dans la tête de bouchon 2, à partir de l'orifice 60 jusqu'à la base de ladite tête 2 ; cette canalisation 65 relie l'extérieur et le volume intérieur de conditionnement.On the other hand, a pipe 65 is arranged in the head of plug 2, from orifice 60 to the base of said head 2; this line 65 connects the exterior and the interior packaging volume.

    L'obturation hermétique de la bouteille s'effectue en actionnant mécaniquement le piston 58 vers le bas pour comprimer et déformer les plots de caoutchouc 55 et 56. Pendant cette opération, l'axe 52 est maintenu en position pour éviter la détérioration de la partie inférieure du bouchon.The airtight sealing of the bottle is effected by actuating mechanically the piston 58 down to compress and deform the rubber pads 55 and 56. During this operation, the axis 52 is held in position to avoid deterioration of the lower part of the plug.

    L'opération de compression des plots de caoutchouc 55 et 56 génère une pression sur la face interne de l'orifice 50, laquelle pression permet d'augmenter le diamètre du corps cylindrique 3 pour plaquer la paroi externe de ce dernier contre la face interne du goulot 4. Cette compression et le bouchage hermétique de la bouteille sont illustrés sur la figure 7.The compression operation of rubber pads 55 and 56 generates a pressure on the internal face of the orifice 50, which pressure increases the diameter of the cylindrical body 3 to press the outer wall of the latter against the inner face of the neck 4. This compression and airtight closure of the bottle are illustrated on the figure 7.

    Lorsque l'orifice 59 du piston 58 arrive en regard de l'orifice 60 de la tête en liège 2, on insère un verrou de blocage 66 en forme de goupille ou d'aiguille munie d'une tirette ou languette externe 67. Le verrou 66 traverse le corps du piston 58 en passant par la rainure 62 de l'axe 52 pour assurer un blocage efficace de l'ensemble. On obtient ainsi un blocage mécanique des deux plots de caoutchouc expansés 55 et 56.When the orifice 59 of the piston 58 comes opposite the orifice 60 of the cork head 2, a locking bolt 66 in the form of a pin is inserted or needle fitted with a pull tab or external tongue 67. The lock 66 passes through the body of the piston 58 passing through the groove 62 of the axis 52 to ensure effective blocking of the assembly. We thus obtain a mechanical blocking of the two expanded rubber pads 55 and 56.

    L'extrémité supérieure de l'orifice 50 peut être obturé par une petite capsule de liège 68 et le muselet métallique 69 qui est adapté pour verrouiller le bouchon sur le goulot de la bouteille peut être positionné de manière classique.The upper end of the orifice 50 can be closed off with a small cork capsule 68 and metal wire 69 which is suitable for lock the cap on the bottle neck can be positioned from classic way.

    Le débouchage de la bouteille s'effectue en enlevant le verrou 66 par une traction sur la languette 67. Les plots de caoutchouc 55, 56 reprennent leur position «repos» de par leur propre élasticité et le corps cylindrique 3 diminue de diamètre. Au cours de cette opération, les gaz comprimés au-dessus du liquide conditionné atteignent l'orifice 65 et ils sont évacués à l'extérieur par l'orifice latéral 60 ou par l'orifice borgne central 50.Uncorking the bottle is done by removing the lock 66 by pulling on the tongue 67. The rubber pads 55, 56 return to their "rest" position by their own elasticity and body cylindrical 3 decreases in diameter. During this operation, the gases tablets above the packaged liquid reach port 65 and they are discharged to the outside through the lateral opening 60 or through the blind opening central 50.

    On peut alors ôter le muselet métallique 69 sans risque d'éjection intempestive du bouchon.We can then remove the metal wire 69 without risk of ejection untimely cap.

    Là encore, si nécessaire, la face intérieure de l'orifice borgne 50 peut être tapissée d'une matière étanche aux gaz pour éviter les risques de dégazage du fait d'une porosité éventuelle du liège utilisé.Again, if necessary, the inner face of the blind hole 50 can be lined with gas-tight material to avoid the risk of degassing due to possible porosity of the cork used.

    A noter que la rainure 62 peut être remplacée par un orifice traversant disposé sur le diamètre de l'axe 52. Dans ce cas, l'orifice 60 est prévu sur le diamètre de la tête de bouchon et l'orifice 58 est aménagé sur le diamètre du piston 58.Note that the groove 62 can be replaced by an orifice through disposed on the diameter of the axis 52. In this case, the orifice 60 is provided on the diameter of the plug head and the orifice 58 is arranged on the diameter of the piston 58.

    A noter encore que la combinaison des deux plots élastiques 55 et 56 séparés par une entretoise 57 peut être remplacée par un plot de caoutchouc unique ou par une superposition de plusieurs plots. Note also that the combination of the two elastic pads 55 and 56 separated by a spacer 57 can be replaced by a stud single rubber or by a superposition of several studs.

    On a représenté sur la figure 8, un mode de réalisation possible du dispositif mécanique permettant le bouchage hermétique par compression des plots élastiques 55 et 56.
    Ce dispositif est constitué d'une mâchoire de maintien 70 dont les crochets inférieurs 71 sont destinés à venir s'insérer dans la rainure périphérique 63 de l'axe 52. La mâchoire 70 est actionnée élastiquement par une coulisse 72 dont l'extrémité est destinée à venir appliquer une pression sur le piston 58 en vue d'assurer la compression des plots 55 et 56. La coulisse 72 est entraínée par des vérins de manoeuvre 73 ; au cours de son mouvement de descente pour comprimer les plots 55 et 56, elle prend appui sur un pan coupé 74 aménagé sur les mâchoires 70 de façon à provoquer le resserrement des crochets 71 dans la rainure 63. De la sorte, les mâchoires 70 maintiennent constamment l'axe 52 au cours de l'opération de compression du mécanisme élastiquement déformable.
    Une fois le verrou mis en position active de blocage, manuellement ou par des moyens mécaniques adaptés, la coulisse 72 est ramenée en position haute et les mâchoires 70 s'écartent par leur seule élasticité, pour libérer l'axe central 52.    FIG. 8 shows a possible embodiment of the mechanical device allowing the hermetic sealing by compression of the elastic pads 55 and 56.
    This device consists of a holding jaw 70 whose lower hooks 71 are intended to be inserted into the peripheral groove 63 of the axis 52. The jaw 70 is actuated elastically by a slide 72 whose end is intended to come to apply pressure on the piston 58 in order to ensure the compression of the pads 55 and 56. The slide 72 is driven by actuating cylinders 73; during its downward movement to compress the studs 55 and 56, it is supported on a cutaway 74 arranged on the jaws 70 so as to cause the tightening of the hooks 71 in the groove 63. In this way, the jaws 70 maintain constantly axis 52 during the compression operation of the elastically deformable mechanism.
    Once the lock has been placed in the active blocking position, manually or by suitable mechanical means, the slide 72 is brought back to the high position and the jaws 70 move apart by their own elasticity, to release the central axis 52.

    Les différents modes de réalisation qui viennent d'être décrits permettent au consommateur de choisir le mode de débouchage de la bouteille : on peut utiliser la méthode classique de débouchage consistant à faire «sauter» le bouchon après avoir enlevé le muselet métallique ; dans ce cas, les moyens particuliers qui permettent de dégrossir le diamètre du corps de bouchon et les moyens de dégazage ne sont pas utilisés. On peut aussi mettre en oeuvre la méthode sécurisée et sans effort telle que décrite ci-avant en utilisant les moyens techniques originaux du bouchon.
    Bien entendu, ce type de bouchon peut être appliqué pour d'autres types de liquides que le champagne. Il pourra remplir un rôle efficace d'obturation pour tous types de bouteilles contenant des vins mousseux, bières, eaux, etc ...    The various embodiments which have just been described allow the consumer to choose the method of uncorking the bottle: it is possible to use the conventional method of uncorking which consists in "blowing up" the cork after having removed the metal wire cap; in this case, the particular means which make it possible to trim the diameter of the plug body and the degassing means are not used. One can also implement the secure and effortless method as described above using the original technical means of the plug.
    Of course, this type of stopper can be applied for other types of liquids than champagne. It can fulfill an effective sealing role for all types of bottles containing sparkling wines, beers, waters, etc.

    Claims (13)

    1. A device in the form of a cork for a bottle containing an effervescent liquid such as champagne, whereas the said cork (1), consists of a head (2) intended for resting on the neck (4) of the bottle, which head (2) is extended by a body (3) more or less cylindrical in shape or slightly truncated for integration in the said neck (4), and the said cork (1) comprises means for allowing evacuation of the gases that are compressed above the packaged liquid, characterised in that it comprises means to vary the diameter of the body of the cork (3), over at least a portion of its height, so that it may adopt, either an inactive position in which the said cork body (3) has a small diameter thereby enabling easier positioning on the neck of the bottle and easier removal from the said neck after evacuation of the gases compressed above the packaged liquid, or an active position in which the said cork body (3) has a greater diameter ensuring hermetic sealing of the bottle.
    2. A device according to claim 1, characterised in that the means enabling to vary the diameter of the cork body (3) consist of an internal device (8, 35, 51) integrated in a housing (6, 38, 50) provided in the said cork body (3), which internal device (8, 35, 51) is formed to adopt - an inactive position in which the diameter of the cork body (3) is smaller than the inside diameter of the neck (4) of the bottle and - an active position in which the diameter of the cork body (3) is increased to provide hermetic sealing in the neck (4) of the bottle.
    3. A device according to claim 2, characterised in that it comprises an internal device (8, 35, 51) that is formed to enable application of regular pressure over at least a circular line of the internal face of the reception housing (6, 38, 50).
    4. A device according to any one of claims 2 or 3, characterised in that the means that enable to vary the diameter of the cork body (3) consist of a bladder (8) fitted with inflating and deflating means (13, 25).
    5. A device according to claim 4, characterised in that it comprises one or several valves (13) to inflate and to deflate the bladder (8), whereas the deflating valve (13) is fitted with actuating means (14) arranged at the cork head (2).
    6. A device according to any one of claims 2 or 3, characterised in that the means that enable to vary the diameter of the cork body (3) consist of a wedge-shaped device (36) whose longitudinal displacement enables to bring fins (37) distributed on the periphery of the reception housing (38) apart or closer.
    7. A device according to any one the claims 2 or 3, characterised in that the means that enable to vary the diameter of the cork body (3) consist of an elastically liable to be modified in shape device (55, 56), actuated by a piston (58).
    8. A device according to claim 7, characterised in that it comprises at least one elastic pin (55, 56) in the form of a cylinder inserted onto an axle (52) fitted with a retaining base (53), which cylindrical pin (55, 56) is subject to the action of a piston (58) that slides on the said axle (52) and that is fitted with a removable lock (66) that is arranged at the cork head (2) and that can be released by the user.
    9. A device according to claim 8, characterised in that it comprises two cylindrical pins (55 and 56) inserted onto the supporting axle (52) and separated by a spacer (57).
    10. A device according to any one of claims 1 td 9, characterised in that the means enabling evacuation of the gases that are compressed above the packaged liquid consist of a ductwork (16) provided in the cork (1), which ductwork (16) connects the internal volume of the bottle and the outside, and which ductwork (16) comprises removable clogging means, such as a valve (17), fitted with actuating means (18) arranged at the cork head (2).
    11. A device according to any one of claims 1 to 9, characterised in that the means enabling evacuation of the gases that are compressed above the packaged liquid, consist of a ductwork (40, 65) provided in the cork (1), and which connects the internal volume of the bottle and the outside, which ductwork (40, 65) leads to the internal volume of the bottle, at or above the means (35, 51) that enable to vary the diameter of the cork body (3).
    12. A device according to any one of claims 1 to 11, characterised in that it comprises a snout (30, 69) to lock the cork on the neck of the bottle, which snout enables degassing without ejecting the cork.
    13. A process for corking and uncorking a bottle containing an effervescent liquid such as champagne, using a device according to any one of claims 1 to 12, characterised in that it consists, for corking, in the steps of:
      a) putting the cork on the neck of the bottle, after packaging of the liquid,
      b) implementing the means that enable to vary the diameter of the cork body, to increase this diameter with a view to seal the bottle hermetically,
      c) putting the locking snout if required,
      and for uncorking, in the steps of:
      d) implementing the means that enable to vary the diameter of the cork body, to reduce this diameter,
      e) evacuating the gases compressed above the packaged liquid, whereas this operation can be performed before, during or after operation d),
      f) removing if required the locking snout before uncorking freely.
    EP96937384A 1996-01-29 1996-10-31 Cork for closing a bottle containing a effervescent liquid Expired - Lifetime EP0879179B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR9601245 1996-01-29
    FR9601245A FR2744098B1 (en) 1996-01-29 1996-01-29 DEVICE FOR CAPPING AND CAPPING BOTTLES CONTAINING A SPARKLING WINE
    PCT/FR1996/001724 WO1997028055A1 (en) 1996-01-29 1996-10-31 Cork for closing a bottle containing a effervescent liquid

    Publications (2)

    Publication Number Publication Date
    EP0879179A1 EP0879179A1 (en) 1998-11-25
    EP0879179B1 true EP0879179B1 (en) 2001-01-03

    Family

    ID=9488747

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96937384A Expired - Lifetime EP0879179B1 (en) 1996-01-29 1996-10-31 Cork for closing a bottle containing a effervescent liquid

    Country Status (6)

    Country Link
    EP (1) EP0879179B1 (en)
    AU (1) AU7499996A (en)
    DE (1) DE69611462T2 (en)
    ES (1) ES2155207T3 (en)
    FR (1) FR2744098B1 (en)
    WO (1) WO1997028055A1 (en)

    Families Citing this family (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2782983B1 (en) * 1998-09-07 2000-11-10 Pascal Leclerc CAPPING DEVICE FOR FACILITATING THE OPENING OF A BOTTLE CONTAINING AN EFFERVESCENT LIQUID
    FR2785260B1 (en) * 1998-11-02 2001-01-19 Creation E C B Et CORK OR FLEXIBLE MATERIAL FOR SPARKLING WINE
    AU754367B2 (en) * 1998-09-07 2002-11-14 Etudes Et Creation E.C.B. Sealing device for a bottle containing sparkling wine
    US11498724B1 (en) 2021-08-18 2022-11-15 Michael B. Christian, Sr. System and method for self releasing champagne cork

    Family Cites Families (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19854C (en) * F. ENGEL in Hamburg, Graskeller 21 Bottle cap
    DE97498C (en) *
    FR659495A (en) * 1927-12-17 1929-06-28 Stopper for containers
    FR694461A (en) * 1929-07-29 1930-12-04 Mechanical stopper
    DE1157101B (en) 1960-10-31 1963-11-07 Heinrich Roland Hucke Expansion cap for bottles and similar vessels
    US3693831A (en) * 1970-07-30 1972-09-26 Thiokol Chemical Corp Closure for open-mouth vessels
    US4401226A (en) * 1982-01-27 1983-08-30 The West Company Venting closure assembly
    AU629687B2 (en) * 1989-09-22 1992-10-08 Garry Arthur Smith Bulk storage seal
    US5109997A (en) * 1991-06-21 1992-05-05 Phillips Edwin D Expandable stopper

    Also Published As

    Publication number Publication date
    FR2744098A1 (en) 1997-08-01
    ES2155207T3 (en) 2001-05-01
    EP0879179A1 (en) 1998-11-25
    DE69611462T2 (en) 2001-08-23
    AU7499996A (en) 1997-08-22
    WO1997028055A1 (en) 1997-08-07
    FR2744098B1 (en) 1998-03-27
    DE69611462D1 (en) 2001-02-08

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