EP3222548B1 - Composite stopper for sparkling wines - Google Patents

Composite stopper for sparkling wines Download PDF

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Publication number
EP3222548B1
EP3222548B1 EP17161752.5A EP17161752A EP3222548B1 EP 3222548 B1 EP3222548 B1 EP 3222548B1 EP 17161752 A EP17161752 A EP 17161752A EP 3222548 B1 EP3222548 B1 EP 3222548B1
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EP
European Patent Office
Prior art keywords
washer
plug
stopper
neck
bottle neck
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EP17161752.5A
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German (de)
French (fr)
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EP3222548A1 (en
Inventor
Jacques Barange
Charles BARANGE
Christian Gonzalez
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Ets Barange-Fabrique De Bouchons
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Ets Barange-Fabrique De Bouchons
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D39/0058—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in more than one piece from natural or synthetic cork, e.g. for wine bottles or the like

Definitions

  • the present invention relates to a method of capping an effervescent wine bottle neck.
  • a particularly interesting application of the invention relates to corking bottles of Champagne wines.
  • Such plugs for effervescent wines have a recessed part in the compressed state in the bottle neck said closure part and a portion that protrudes from the neck of said bottle head part.
  • the head portion of the plug substantially returns to its original shape while the closing portion remains compressed radially to the inside diameter of the bottle neck.
  • the plugs adopt a mushroom shape characteristic of a relatively long bottle hold.
  • such corks for champagne-type sparkling wines comprise a body made of agglomerated cork and one or more washers attached to the lower end of this body and made of homogeneous natural cork.
  • the agglomerated cork body makes it possible to ensure that the bottle neck is properly sealed while the natural cork bottom end washer, generally referred to as a mirror washer, is intended to come into contact with the wine.
  • the agglomerated cork body of such corks is conventionally composed of natural cork granules bonded by glue.
  • adjuvants may also be added to this body.
  • Glue and admixtures are derived from fossil resources, non-renewable and with a high carbon footprint.
  • a cap In the field of corking still wines or beer, it is also known from the document WO 2009/145652 a cap, the head part of which consists of agglomerated cork and a natural cork. A shoulder is provided on the cap between the head portion and the sealing portion and abuts against the rim of the bottle neck when the sealing portion is forced into the neck.
  • the stopper for capping an effervescent wine bottle neck comprises a stopper body and at least one natural cork bottom washer attached to a lower end of said body. Said lower washer and at least a portion of said body form a closure portion of the plug to be driven into the bottle neck.
  • the stopper further comprises at least one top disc made of natural cork attached to an upper end of said body and which at least partly forms a head portion of the stopper intended to protrude from the neck of the bottle.
  • the distance separating a lower end face of said lower washer from the interface between the plug body and said upper washer is greater than or equal to 50% of the total height of the plug.
  • bottom end face of said lower washer the face of the washer intended to come into contact with the wine.
  • the quantity of natural cork used in this plug is increased compared to conventional plugs.
  • the cork body is made of agglomerated cork, the proportion of organic binders used for the manufacture of the cork is thus reduced.
  • the plug body may be made of a material having excellent sealing characteristics, for example agglomerated cork or synthetic material, especially elastomer or thermoplastic elastomer (TPE), or synthetic biosourced materials .
  • agglomerated cork or synthetic material especially elastomer or thermoplastic elastomer (TPE), or synthetic biosourced materials .
  • TPE thermoplastic elastomer
  • the plug is depressed nominally halfway up inside the neck.
  • it reduces the risk of rupture of the fixing of the upper washer with the plug body, and therefore the risk of the separation of these two elements.
  • the distance separating the lower end face of said lower washer of this interface may be greater than or equal to 56% of the total height of said plug. This preferential arrangement makes it possible to further reduce the risk of positioning the upper plug-washer body interface inside the bottle neck after plugging.
  • the distance separating the upper end face of said upper washer from the interface between the plug body and said upper washer can be greater than or equal to 22.5% of the total height of the stopper and less than or equal to 44% of the total height.
  • upper end face of said upper washer the face of the washer which defines, with the lower end face of the lower washer intended to come into contact with the wine, the total height of the cap.
  • this "upper end face of said upper washer” is the face intended to come into contact with the muselet plate.
  • the plug may have, before plugging, a shoulder delimiting a bearing surface intended to come into contact with the rim of the bottle neck.
  • This shoulder may be located in a radial plane containing the interface between the plug body and said upper washer.
  • the shoulder may be offset axially on the side of said lower washer relative to said interface.
  • tapping bottle neck means the annular end surface of the bottle neck.
  • the optional arrangement of the shoulder which is intended to abut on the rim of the bottle neck during the depression of the cap, ensures the accuracy and regularity of the capping depth. Thus, the desired positioning after plugging the upper plug-washer body interface relative to the bottle neck is guaranteed.
  • the veining of the natural cork of said upper washer may extend perpendicularly to the longitudinal axis of the stopper. This orientation of the cork veins is particularly advantageous for the manufacture of this upper washer.
  • the height of the plug body is less than the total height of said lower and upper washers. This arrangement further favors the production of a stopper in which the share of natural cork is increased.
  • the height of the plug body is between 33% and 54% of the total height of said plug.
  • a bottle containing an effervescent wine provided with a neck defining a rim and comprising a stopper.
  • the cap comprises a cap body and at least one lower natural cork washer attached to a lower end of said body. Said lower washer and at least a portion of said body are driven into the neck of the bottle.
  • the cap further comprises at least one natural cork top washer attached to an upper end of said body and protruding from the bottle neck.
  • plug may have, before closure, a shoulder delimiting a bearing surface coming into contact with the rim of the bottle neck.
  • This shoulder may be located in a radial plane containing the interface between the plug body and said upper washer.
  • the shoulder may be offset axially on the side of said lower washer relative to said interface.
  • the veining of the natural cork of said upper washer extends perpendicularly to the longitudinal axis of the plug.
  • a natural cork veneering orientation of said upper washer so that it extends parallel to the longitudinal axis of the cap.
  • the invention relates to a method for capping an effervescent wine bottle neck according to claim 1.
  • the interface is shifted axially outwardly from the neck by at least 3 millimeters with respect to said wash.
  • the stopper is pressed into the neck of the bottle by a plunger of a corker pressing against the upper end face of said upper washer.
  • the plug 10 of generally cylindrical shape, comprises a body 14 of plug intermediate and two washers 16, 18 lower stacked and located at a lower end 14a of said body.
  • the washers 16, 18 are fixed together, the washer 16 being fixed to the lower end 14a of the body.
  • Each of these fasteners can for example be made by gluing.
  • the washer 18 is fixed to the lower end of the body 14 via the washer 16.
  • the body 14 is made of agglomerated cork while the washers 16, 18 are made of natural cork.
  • the body 14 has a cylindrical shape.
  • the body 14 comprises a plurality of natural cork granules which are agglomerated by glue, and is obtained by individual molding or extrusion.
  • Each washer 16, 18 has a cylindrical shape.
  • the diameter of the washers 16, 18 is equal to that of the body 14.
  • Each washer 16, 18 can be manufactured by cutting in the direction perpendicular to the growth layers of a raw cork board.
  • the washer 18 comprises a flat bottom end face 18a intended to come into contact with the wine.
  • the plug 10 comprises two washers 16, 18 lower identical height.
  • the cap 10 also includes an upper head washer which is attached to an upper end 14b of the axially opposite body at the lower end 14a.
  • the ends 14a, 14b axially delimit the body 14.
  • the upper washer 20 is located axially on the opposite side to the washers 16, 18 lower than the body 14.
  • the washer 20 has a cylindrical shape.
  • the diameter of the washer 20 is equal to that of the body 14. It is made of natural cork.
  • the upper washer 20 makes it possible to limit the portion of the body 14 made of agglomerated cork in the stopper.
  • the upper washer 20 can for example be fixed to the body 14 by gluing.
  • the interface or plane of attachment between the body 14 and the upper washer 20 is illustrated in the figure by the reference 22.
  • the axial distance H 1 , or height, separating this interface 22 from the lower end face 18a of the washer 18 is greater than or equal to 50% of the total height H of the plug 10.
  • this distance H 1 is greater than or equal to 56% of the height H.
  • the axial distance H 2 , or height, separating the interface 22 from the upper end face 20a of the washer 20 is greater than or equal to 22.5% of the total height H of the plug 10, and less than or equal to 44% of this height H.
  • the height H 3 of the body 14 may for example be between 33% and 54% of the height H.
  • the distance H 1 is greater than or equal to 24 mm, and preferably greater than or equal to 27 mm.
  • the distance H 2 is between 11 mm and 21 mm, and the height H 3 is between 16 mm and 26 mm.
  • FIG. 2 On the figure 2 is shown a bottle neck 24 plugged with the cap 10 described above.
  • the interface 22 is shifted axially outwardly relative to the rim 26 of the bottle neck.
  • the washers 18, 20 below and a portion of the body 14 are driven into the bottle neck 24 and form the closing portion of the cap 10.
  • the other body portion 14 and the upper washer 20 protrude from the neck 24 and form the head portion of the plug.
  • the Applicant has determined that a positioning of the interface 22 at least three mm above the rim 26 of the bottle neck is particularly advantageous. Indeed, the interface 22 is thus located outside the zone in which the plug 10 is still pinched and deformed to the rim 26 of the bottle neck.
  • the interface 22 is located in an area of the plug 10 which has regained its initial diameter, after compression and depression in the neck 24 of the bottle.
  • the risk of rupture of the fastener between the upper washer 20 and the body 14 is virtually zero.
  • the present invention it is possible to provide a depression of the plug 10 inside the bottle neck 24 so that the interface 22 is located in a radial plane containing the rim 26 of the neck .
  • the washers 16, 18 below and the entire body 14 are driven into the bottle neck 24, only the upper washer 20 protruding from the neck and forming the head portion of the cap.
  • the risk of disconnection of the washer 20 of the body 14 is hereby increased.
  • the muselet plate and the muselet preventing the expulsion of the stopper 10 have not yet been fixed on the stopper 10.
  • the upper washer 20 can be manufactured so that the veining of the natural cork extends substantially parallel to the longitudinal axis 12 of the plug.
  • the lenticels of the natural cork of the washer 20 open on its cylindrical outer surface.
  • the torsional resistance of the washer 20 during unclogging of the bottle neck 24 is also increased.
  • the washer 20 In order to manufacture the washer 20 with such a veining orientation, it is possible to proceed as follows. Strips of cork are cut horizontally in raw planks of cork and are then glued to form a block of height equal to that of the washer 20, this height extending along the veins of the cork. The washer 20 is then obtained by cutting in this block and turning.
  • the plug 10 has, before plugging, a cylindrical outer surface.
  • the cap 10 has before closure an annular shoulder 30 which is oriented axially downwards, ie towards the washers 16, 18 below.
  • the shoulder 30 extends radially.
  • the radial dimension of the shoulder may be between 0.5 mm and 3 mm.
  • the shoulder 30 is formed on the body 14.
  • the shoulder 30 delimits a bearing surface intended to come into contact with the rim of the neck of the bottle during the depression of the stopper in this case. collar.
  • the body 14 of the plug has between the shoulder 30 and the lower end face 18a of the washer 18 a slightly frustoconical shape.
  • the shoulder 30 is offset axially downward, ie on the side of the washers 16, 18 below, with respect to the interface 22.
  • the invention has been illustrated on the basis of a cap comprising a single upper head washer made of natural cork.
  • a stopper that comprises several stacked top natural cork washers.

Description

La présente invention est relative à un procédé de bouchage d'un col de bouteille de vin effervescent.The present invention relates to a method of capping an effervescent wine bottle neck.

Une application particulièrement intéressante de l'invention concerne le bouchage des bouteilles de vins de Champagne.A particularly interesting application of the invention relates to corking bottles of Champagne wines.

De tels bouchons pour vins effervescents, de forme initiale sensiblement cylindrique avant bouchage, présentent une partie enfoncée à l'état comprimé dans le col de bouteille dite partie d'obturation et une partie qui dépasse du col de bouteille dite partie de tête.Such plugs for effervescent wines, of substantially cylindrical initial shape before capping, have a recessed part in the compressed state in the bottle neck said closure part and a portion that protrudes from the neck of said bottle head part.

Après bouchage, la partie de tête du bouchon reprend sensiblement sa forme initiale alors que la partie d'obturation reste comprimée radialement au diamètre intérieur du col de bouteille. Après débouchage, les bouchons adoptent une forme en champignon caractéristique d'un maintien en bouteille relativement long.After plugging, the head portion of the plug substantially returns to its original shape while the closing portion remains compressed radially to the inside diameter of the bottle neck. After unblocking, the plugs adopt a mushroom shape characteristic of a relatively long bottle hold.

Classiquement, de tels bouchons pour vins effervescents du type Champagne comprennent un corps réalisé en liège aggloméré et une ou plusieurs rondelles fixées à l'extrémité inférieure de ce corps et réalisées en liège naturel homogène. Pour plus de détails sur de tels bouchons, on pourra par exemple se référer au brevet FR 751 559 . Le corps en liège aggloméré permet de s'assurer de la bonne obturation du col de bouteille tandis que la rondelle d'extrémité inférieure en liège naturel, appelée généralement rondelle miroir, est destinée à venir en contact avec le vin.Traditionally, such corks for champagne-type sparkling wines comprise a body made of agglomerated cork and one or more washers attached to the lower end of this body and made of homogeneous natural cork. For more details on such plugs, we can for example refer to the patent FR 751 559 . The agglomerated cork body makes it possible to ensure that the bottle neck is properly sealed while the natural cork bottom end washer, generally referred to as a mirror washer, is intended to come into contact with the wine.

Le corps en liège aggloméré de tels bouchons est classiquement composé de granulés de liège naturel liés par de la colle. En outre, des adjuvants peuvent également être ajoutés à ce corps. La colle et les adjuvants sont issus de ressources fossiles, non renouvelables et à forte empreinte carbone.The agglomerated cork body of such corks is conventionally composed of natural cork granules bonded by glue. In addition, adjuvants may also be added to this body. Glue and admixtures are derived from fossil resources, non-renewable and with a high carbon footprint.

Dans le domaine du bouchage des vins tranquilles ou de la bière, on connaît également par le documentIn the field of corking still wines or beer, it is also known from the document WO 2009/145652WO 2009/145652 un bouchon dont la partie de tête comprend une partie en liège aggloméré et une rondelle en liège naturel. Un épaulement est ménagé sur le bouchon entre la partie de tête et la partie d'obturation et vient en appui en appui contre le buvant du col de bouteille lorsque la partie d'obturation est introduite à force dans le col.a cap, the head part of which consists of agglomerated cork and a natural cork. A shoulder is provided on the cap between the head portion and the sealing portion and abuts against the rim of the bottle neck when the sealing portion is forced into the neck.

Dans un mode de réalisation non couvert par la présente invention, le bouchon pour le bouchage d'un col de bouteille de vin effervescent comprend un corps de bouchon et au moins une rondelle inférieure en liège naturel fixée à une extrémité inférieure dudit corps. Ladite rondelle inférieure et au moins une partie dudit corps forment une portion d'obturation du bouchon destinée à être enfoncée dans le col de bouteille.In an embodiment not covered by the present invention, the stopper for capping an effervescent wine bottle neck comprises a stopper body and at least one natural cork bottom washer attached to a lower end of said body. Said lower washer and at least a portion of said body form a closure portion of the plug to be driven into the bottle neck.

Le bouchon comprend en outre au moins une rondelle supérieure en liège naturel fixée à une extrémité supérieure dudit corps et qui forme au moins en partie une portion de tête du bouchon destinée à dépasser du col de bouteille.The stopper further comprises at least one top disc made of natural cork attached to an upper end of said body and which at least partly forms a head portion of the stopper intended to protrude from the neck of the bottle.

Selon une caractéristique générale du bouchon, la distance séparant une face d'extrémité inférieure de ladite rondelle inférieure de l'interface entre le corps de bouchon et ladite rondelle supérieure est supérieure ou égale à 50 % de la hauteur totale du bouchon.According to a general characteristic of the plug, the distance separating a lower end face of said lower washer from the interface between the plug body and said upper washer is greater than or equal to 50% of the total height of the plug.

On entend par « interface entre le corps de bouchon et ladite rondelle supérieure », la zone ou plan de fixation du corps de bouchon avec cette rondelle. Cette fixation peut par exemple être réalisée par collage.The term "interface between the plug body and said upper washer", the zone or plane of attachment of the plug body with this washer. This attachment can for example be made by gluing.

On entend par « face d'extrémité inférieure de ladite rondelle inférieure », la face de la rondelle destinée à venir en contact avec le vin.The term "bottom end face of said lower washer", the face of the washer intended to come into contact with the wine.

Avec un tel bouchon composite comprenant au moins une rondelle supérieure en liège naturel, la quantité de liège naturel utilisée dans ce bouchon est augmentée par rapport aux bouchons conventionnels. Par exemple, si le corps de bouchon est réalisé en liège aggloméré, la part de liants organiques utilisés pour la fabrication du bouchon se trouve ainsi réduite.With such a composite stopper comprising at least one top disc made of natural cork, the quantity of natural cork used in this plug is increased compared to conventional plugs. For example, if the cork body is made of agglomerated cork, the proportion of organic binders used for the manufacture of the cork is thus reduced.

En outre, avec ce bouchon composite, au moins une partie du corps de bouchon est utilisée pour former la portion d'obturation du bouchon destinée à être enfoncée dans le col de bouteille. Ceci permet de garantir une qualité de bouchage similaire à celle des bouchons conventionnels.In addition, with this composite plug, at least a portion of the plug body is used to form the plug portion of the plug to be driven into the bottle neck. This makes it possible to guarantee a quality of closure similar to that of conventional plugs.

En effet, le corps de bouchon peut être réalisé dans un matériau présentant d'excellentes caractéristiques d'obturation, par exemple en liège aggloméré ou encore en matière synthétique, notamment en élastomère ou en élastomère thermoplastique (TPE), ou encore en matières synthétiques biosourcées.Indeed, the plug body may be made of a material having excellent sealing characteristics, for example agglomerated cork or synthetic material, especially elastomer or thermoplastic elastomer (TPE), or synthetic biosourced materials .

Par ailleurs, avec la disposition tel qu'indiquée de l'interface corps de bouchon-rondelle supérieure, on réduit le risque de positionnement de cette interface après bouchage à l'intérieur du col de bouteille où les forces et les contraintes exercées sur le bouchon sont les plus intenses.Moreover, with the disposition as indicated of the upper plug-washer body interface, the risk of positioning this interface after capping inside the bottle neck is reduced where the forces and the stresses exerted on the plug are the most intense.

En effet, lors du bouchage d'un col de bouteille de vins effervescents, notamment de type Champagne, le bouchon est enfoncé nominalement à mi-hauteur à l'intérieur du col. On réduit ainsi, lors du débouchage de la bouteille, le risque de rupture de la fixation de la rondelle supérieure avec le corps de bouchon, et par conséquent le risque de la désolidarisation de ces deux éléments.Indeed, during the corking of a bottle neck of sparkling wines, including Champagne type, the plug is depressed nominally halfway up inside the neck. Thus, during the uncorking of the bottle, it reduces the risk of rupture of the fixing of the upper washer with the plug body, and therefore the risk of the separation of these two elements.

Dans un mode de réalisation non couvert par la présente invention, la distance séparant la face d'extrémité inférieure de ladite rondelle inférieure de cette interface peut être supérieure ou égale à 56 % de la hauteur totale dudit bouchon. Cette disposition préférentielle permet de réduire encore le risque de positionnement de l'interface corps de bouchon-rondelle supérieure à l'intérieur du col de bouteille après bouchage.In an embodiment not covered by the present invention, the distance separating the lower end face of said lower washer of this interface may be greater than or equal to 56% of the total height of said plug. This preferential arrangement makes it possible to further reduce the risk of positioning the upper plug-washer body interface inside the bottle neck after plugging.

Dans un mode de réalisation non couvert par la présente invention, la distance séparant la face d'extrémité supérieure de ladite rondelle supérieure de l'interface entre le corps de bouchon et ladite rondelle supérieure peut être supérieure ou égale à 22.5 % de la hauteur totale du bouchon, et inférieure ou égale à 44 % de ladite hauteur totale.In an embodiment not covered by the present invention, the distance separating the upper end face of said upper washer from the interface between the plug body and said upper washer can be greater than or equal to 22.5% of the total height of the stopper and less than or equal to 44% of the total height.

On entend par « face d'extrémité supérieure de ladite rondelle supérieure», la face de la rondelle qui délimite, avec la face d'extrémité inférieure de la rondelle inférieure destinée à venir en contact avec le vin, la hauteur totale du bouchon. Dans le cas d'un bouchon destiné aux vins de Champagne, cette « face d'extrémité supérieure de ladite rondelle supérieure» est la face destinée à venir en contact avec la plaque de muselet.The term "upper end face of said upper washer", the face of the washer which defines, with the lower end face of the lower washer intended to come into contact with the wine, the total height of the cap. In the case of a stopper for Champagne wines, this "upper end face of said upper washer" is the face intended to come into contact with the muselet plate.

Dans un mode de réalisation non couvert par la présente invention, le bouchon peut présenter, avant bouchage, un épaulement délimitant une surface d'appui destinée à venir en contact contre le buvant du col de bouteille. Cet épaulement peut être situé dans un plan radial contenant l'interface entre le corps de bouchon et ladite rondelle supérieure. Alternativement, l'épaulement peut être décalé axialement du côté de ladite rondelle inférieure par rapport à ladite interface.In an embodiment not covered by the present invention, the plug may have, before plugging, a shoulder delimiting a bearing surface intended to come into contact with the rim of the bottle neck. This shoulder may be located in a radial plane containing the interface between the plug body and said upper washer. Alternatively, the shoulder may be offset axially on the side of said lower washer relative to said interface.

On entend par « buvant du col de bouteille », la surface annulaire d'extrémité du col de bouteille.The term "drinking bottle neck" means the annular end surface of the bottle neck.

La disposition optionnelle de l'épaulement, qui est prévu pour venir buter sur le buvant du col de bouteille au cours de l'enfoncement du bouchon, permet de garantir la précision et la régularité de la profondeur de bouchage. Ainsi, le positionnement souhaité après bouchage de l'interface corps de bouchon-rondelle supérieure relativement au buvant du col de bouteille est garanti.The optional arrangement of the shoulder, which is intended to abut on the rim of the bottle neck during the depression of the cap, ensures the accuracy and regularity of the capping depth. Thus, the desired positioning after plugging the upper plug-washer body interface relative to the bottle neck is guaranteed.

Dans un mode de réalisation non couvert par la présente invention, le veinage du liège naturel de ladite rondelle supérieure peut s'étendre perpendiculairement à l'axe longitudinal du bouchon. Cette orientation des veines du liège est particulièrement avantageuse pour la fabrication de cette rondelle supérieure.In an embodiment not covered by the present invention, the veining of the natural cork of said upper washer may extend perpendicularly to the longitudinal axis of the stopper. This orientation of the cork veins is particularly advantageous for the manufacture of this upper washer.

Dans un mode de réalisation non couvert par la présente invention et il est possible d'envisager une orientation du veinage du liège naturel de ladite rondelle supérieure de sorte à ce qu'il s'étend parallèlement à l'axe longitudinal du bouchon. Ceci permet d'accroître la résistance de cette rondelle à la compression qui est exercée par la plaque de muselet et le muselet qui sont fixés sur la portion d'obturation du bouchon après bouchage de sorte à empêcher son expulsion sous l'effet de la pression du vin effervescent.In an embodiment not covered by the present invention and it is possible to consider an orientation of the natural cork grain of said upper washer so that it extends parallel to the longitudinal axis of the cap. This makes it possible to increase the resistance of this washer to the compression which is exerted by the muselet plate and the muzzle which are fixed on the closure portion of the stopper after capping so as to prevent its expulsion under the effect of the pressure of the sparkling wine.

Dans un mode de réalisation non couvert par la présente invention, la hauteur du corps de bouchon est inférieure à la hauteur totale desdites rondelles inférieure et supérieure. Cette disposition favorise encore l'obtention d'un bouchon dans lequel la part de liège naturel est augmentée.In an embodiment not covered by the present invention, the height of the plug body is less than the total height of said lower and upper washers. This arrangement further favors the production of a stopper in which the share of natural cork is increased.

Dans un mode de réalisation, non couvert par la présente invention, la hauteur du corps de bouchon est comprise entre 33 % et 54 % de la hauteur totale dudit bouchon.In one embodiment, not covered by the present invention, the height of the plug body is between 33% and 54% of the total height of said plug.

Dans un mode de réalisation non couvert par la présente invention, il est également prévu une bouteille contenant un vin effervescent munie d'un col délimitant un buvant et comprenant un bouchon. Le bouchon comprend un corps de bouchon et au moins une rondelle inférieure en liège naturel fixée à une extrémité inférieure dudit corps. Ladite rondelle inférieure et au moins une partie dudit corps sont enfoncées à l'intérieur du col de bouteille. Le bouchon comprend en outre au moins une rondelle supérieure en liège naturel fixée à une extrémité supérieure dudit corps et dépassant du col de bouteille. In an embodiment not covered by the present invention, there is also provided a bottle containing an effervescent wine provided with a neck defining a rim and comprising a stopper. The cap comprises a cap body and at least one lower natural cork washer attached to a lower end of said body. Said lower washer and at least a portion of said body are driven into the neck of the bottle. The cap further comprises at least one natural cork top washer attached to an upper end of said body and protruding from the bottle neck.

Dans un mode de réalisation non couvert par la présente invention, bouchon peut présenter, avant bouchage, un épaulement délimitant une surface d'appui venant en contact contre le buvant du col de bouteille. Cet épaulement peut être situé dans un plan radial contenant l'interface entre le corps de bouchon et ladite rondelle supérieure. Alternativement, l'épaulement peut être décalé axialement du côté de ladite rondelle inférieure par rapport à ladite interface.In an embodiment not covered by the present invention, plug may have, before closure, a shoulder delimiting a bearing surface coming into contact with the rim of the bottle neck. This shoulder may be located in a radial plane containing the interface between the plug body and said upper washer. Alternatively, the shoulder may be offset axially on the side of said lower washer relative to said interface.

Dans un mode de réalisation, non couvert par la présente invention, le veinage du liège naturel de ladite rondelle supérieure s'étend perpendiculairement à l'axe longitudinal du bouchon. De façon alternative, il est possible d'envisager une orientation du veinage du liège naturel de ladite rondelle supérieure de sorte à ce qu'il s'étend parallèlement à l'axe longitudinal du bouchon.In one embodiment, not covered by the present invention, the veining of the natural cork of said upper washer extends perpendicularly to the longitudinal axis of the plug. Alternatively, it is possible consider a natural cork veneering orientation of said upper washer so that it extends parallel to the longitudinal axis of the cap.

L'invention concerne un procédé de bouchage d'un col de bouteille de vin effervescent, selon la revendication 1.The invention relates to a method for capping an effervescent wine bottle neck according to claim 1.

De préférence, l'interface est décalée axialement vers l'extérieur du col de 3 millimètres au minimum par rapport audit buvant. De préférence, le bouchon est enfoncé dans le col de bouteille par un piston d'enfoncement d'une boucheuse venant appuyer sur la face d'extrémité supérieure de ladite rondelle supérieure.Preferably, the interface is shifted axially outwardly from the neck by at least 3 millimeters with respect to said wash. Preferably, the stopper is pressed into the neck of the bottle by a plunger of a corker pressing against the upper end face of said upper washer.

La présente invention sera mieux comprise à l'étude de la description détaillée de modes de réalisation, pris à titre d'exemples nullement limitatifs et illustrés par les dessins annexés, sur lesquels :

  • la figure 1 est une vue schĂ©matique en coupe d'un bouchon Ă  l'Ă©tat libre avant bouchage qui peut ĂŞtre utilisĂ© par le procĂ©dĂ© selon l'invention,
  • la figure 2 est une vue schĂ©matique en coupe d'un col de bouteille Ă  l'intĂ©rieur duquel a Ă©tĂ© enfoncĂ© le bouchon de la figure 1, et
  • la figure 3 est une vue schĂ©matique en coupe d'un bouchon avant bouchage selon un deuxième exemple de rĂ©alisation non couvert par la prĂ©sente invention,
The present invention will be better understood from the study of the detailed description of embodiments, taken as non-limiting examples and illustrated by the appended drawings, in which:
  • the figure 1 is a diagrammatic sectional view of a plug in the free state before capping which can be used by the method according to the invention,
  • the figure 2 is a schematic sectional view of a bottle neck inside which the stopper of the bottle has been figure 1 , and
  • the figure 3 is a schematic sectional view of a plug before plugging according to a second embodiment not covered by the present invention,

Sur la figure 1 est représenté un bouchon 10, d'axe 12 longitudinal, dans une position supposée verticale. Le bouchon 10, de forme générale cylindrique, comprend un corps 14 de bouchon intermédiaire et deux rondelles 16, 18 inférieures empilées et situées à une extrémité 14a inférieure dudit corps. Les rondelles 16, 18 sont fixées entre elles, la rondelle 16 étant fixée à l'extrémité 14a inférieure du corps. Chacune de ces fixations peut par exemple être réalisée par collage. La rondelle 18 est fixée à l'extrémité inférieure du corps 14 par l'intermédiaire de la rondelle 16.On the figure 1 is shown a plug 10, longitudinal axis 12, in a supposed vertical position. The plug 10, of generally cylindrical shape, comprises a body 14 of plug intermediate and two washers 16, 18 lower stacked and located at a lower end 14a of said body. The washers 16, 18 are fixed together, the washer 16 being fixed to the lower end 14a of the body. Each of these fasteners can for example be made by gluing. The washer 18 is fixed to the lower end of the body 14 via the washer 16.

Le corps 14 est réalisé en liège aggloméré tandis que les rondelles 16, 18 sont réalisées en liège naturel. Le corps 14 présente une forme cylindrique. Le corps 14 comprend une pluralité de granulés de liège naturel qui sont agglomérés par une colle, et est obtenu par moulage individuel ou extrusion. Chaque rondelle 16, 18
présente une forme cylindrique. Le diamètre des rondelles 16, 18 est égal à celui du corps 14. Chaque rondelle 16, 18 peut être fabriquée par découpe dans le sens perpendiculaire aux couches de croissance d'une planche brute de liège.The body 14 is made of agglomerated cork while the washers 16, 18 are made of natural cork. The body 14 has a cylindrical shape. The body 14 comprises a plurality of natural cork granules which are agglomerated by glue, and is obtained by individual molding or extrusion. Each washer 16, 18
has a cylindrical shape. The diameter of the washers 16, 18 is equal to that of the body 14. Each washer 16, 18 can be manufactured by cutting in the direction perpendicular to the growth layers of a raw cork board.

Généralement, pour les rondelles 16 et 18, on parle respectivement de rondelles intermédiaire et miroir. La rondelle 18 comprend une face d'extrémité inférieure 18a plane destinée à venir en contact avec le vin. Dans l'exemple de réalisation illustré, le bouchon 10 comprend deux rondelles 16, 18 inférieures de hauteur identique. Alternativement, il est possible de prévoir un nombre différent de rondelles, par exemple un ou trois, et/ou des rondelles de hauteurs différentes.Generally, for the washers 16 and 18, we speak respectively intermediate washers and mirror. The washer 18 comprises a flat bottom end face 18a intended to come into contact with the wine. In the embodiment shown, the plug 10 comprises two washers 16, 18 lower identical height. Alternatively, it is possible to provide a different number of washers, for example one or three, and / or washers of different heights.

Le bouchon 10 comprend également une rondelle 20 de tête supérieure qui est fixée à une extrémité 14b supérieure du corps opposée axialement à l'extrémité 14a inférieure. Les extrémités 14a, 14b délimitent axialement le corps 14. La rondelle 20 supérieure est située axialement du côté opposé aux rondelles 16, 18 inférieures par rapport au corps 14.The cap 10 also includes an upper head washer which is attached to an upper end 14b of the axially opposite body at the lower end 14a. The ends 14a, 14b axially delimit the body 14. The upper washer 20 is located axially on the opposite side to the washers 16, 18 lower than the body 14.

La rondelle 20 présente une forme cylindrique. Le diamètre de la rondelle 20 est égal à celui du corps 14. Elle est réalisée en liège naturel. La rondelle 20 supérieure permet de limiter la part du corps 14 en liège aggloméré dans le bouchon.The washer 20 has a cylindrical shape. The diameter of the washer 20 is equal to that of the body 14. It is made of natural cork. The upper washer 20 makes it possible to limit the portion of the body 14 made of agglomerated cork in the stopper.

La rondelle 20 supérieure peut par exemple être fixée au corps 14 par collage. L'interface ou plan de fixation entre le corps 14 et la rondelle 20 supérieure est illustrée sur la figure par la référence 22. La distance H1 axiale, ou hauteur, séparant cette interface 22 de la face d'extrémité inférieure 18a de la rondelle 18 est supérieure ou égale à 50 % de la hauteur H totale du bouchon 10. De préférence, cette distance H1 est supérieure ou égale à 56 % de la hauteur H.The upper washer 20 can for example be fixed to the body 14 by gluing. The interface or plane of attachment between the body 14 and the upper washer 20 is illustrated in the figure by the reference 22. The axial distance H 1 , or height, separating this interface 22 from the lower end face 18a of the washer 18 is greater than or equal to 50% of the total height H of the plug 10. Preferably, this distance H 1 is greater than or equal to 56% of the height H.

La distance H2 axiale, ou hauteur, séparant l'interface 22 de la face d'extrémité supérieure 20a de la rondelle 20 est supérieure ou égale à 22.5 % de la hauteur H totale du bouchon 10, et inférieure ou égale à 44 % de cette hauteur H. La hauteur H3 du corps 14 peut par exemple être comprise entre 33 % et 54 % de la hauteur H.The axial distance H 2 , or height, separating the interface 22 from the upper end face 20a of the washer 20 is greater than or equal to 22.5% of the total height H of the plug 10, and less than or equal to 44% of this height H. The height H 3 of the body 14 may for example be between 33% and 54% of the height H.

A titre indicatif, pour un bouchon présentant une hauteur de 48 millimètres (mm) et un diamètre de 31 mm en dimension nominale, la distance H1 est supérieure ou égale à 24 mm, et de préférence supérieure ou égale à 27 mm. De préférence, la distance H2 est comprise entre 11 mm et 21 mm, et la hauteur H3 est comprise entre 16 mm et 26 mm.As an indication, for a plug having a height of 48 millimeters (mm) and a diameter of 31 mm in nominal size, the distance H 1 is greater than or equal to 24 mm, and preferably greater than or equal to 27 mm. Preferably, the distance H 2 is between 11 mm and 21 mm, and the height H 3 is between 16 mm and 26 mm.

Sur la figure 2 est illustré un col 24 de bouteille bouché à l'aide du bouchon 10 décrit précédemment. Dans cet exemple de réalisation, l'interface 22 est décalée axialement vers l'extérieur par rapport au buvant 26 du col de bouteille. Ainsi, les rondelles 18, 20 inférieures et une partie du corps 14 sont enfoncées dans le col 24 de bouteille et forment la portion d'obturation du bouchon 10. L'autre partie du corps 14 et la rondelle 20 supérieure dépassent du col 24 et forment la portion de tête du bouchon.On the figure 2 is shown a bottle neck 24 plugged with the cap 10 described above. In this embodiment, the interface 22 is shifted axially outwardly relative to the rim 26 of the bottle neck. Thus, the washers 18, 20 below and a portion of the body 14 are driven into the bottle neck 24 and form the closing portion of the cap 10. The other body portion 14 and the upper washer 20 protrude from the neck 24 and form the head portion of the plug.

Pour un bouchon 10 destiné aux vins de Champagne qui présente une hauteur de 48 mm en nominale, la demanderesse a déterminé qu'un positionnement de l'interface 22 au minimum trois mm au-dessus du buvant 26 du col de bouteille est particulièrement avantageux. En effet, l'interface 22 est ainsi située en dehors de la zone dans laquelle le bouchon 10 est encore pincé et déformé jusqu'au buvant 26 du col de bouteille.For a plug 10 for Champagne wines which has a height of 48 mm nominal, the Applicant has determined that a positioning of the interface 22 at least three mm above the rim 26 of the bottle neck is particularly advantageous. Indeed, the interface 22 is thus located outside the zone in which the plug 10 is still pinched and deformed to the rim 26 of the bottle neck.

Avec ce positionnement, l'interface 22 est située dans une zone du bouchon 10 qui a retrouvé son diamètre initial, après la compression et l'enfoncement dans le col 24 de bouteille. Ainsi, lors du débouchage du col 24 de bouteille, le risque de rupture de la fixation entre la rondelle 20 supérieure et le corps 14 est quasiment nul.With this positioning, the interface 22 is located in an area of the plug 10 which has regained its initial diameter, after compression and depression in the neck 24 of the bottle. Thus, during the unclogging of the bottle neck 24, the risk of rupture of the fastener between the upper washer 20 and the body 14 is virtually zero.

Dans un mode de réalisation non couvert par la présente invention, il est possible de prévoir un enfoncement du bouchon 10 à l'intérieur du col 24 de bouteille de sorte que l'interface 22 est située dans un plan radial contenant le buvant 26 du col. Dans ce cas, les rondelles 16, 18 inférieures et la totalité du corps 14 sont enfoncées dans le col 24 de bouteille, seule la rondelle 20 supérieure dépassant du col et formant la portion de tête du bouchon. Cependant, par rapport au positionnement de l'interface 22 tel qu'indiqué précédemment, lors du débouchage du col 24 de bouteille, le risque de désolidarisation de la rondelle 20 du corps 14 est ici augmenté.In an embodiment not covered by the present invention, it is possible to provide a depression of the plug 10 inside the bottle neck 24 so that the interface 22 is located in a radial plane containing the rim 26 of the neck . In this case, the washers 16, 18 below and the entire body 14 are driven into the bottle neck 24, only the upper washer 20 protruding from the neck and forming the head portion of the cap. However, compared to the positioning of the interface 22 as indicated above, during the unblocking of the bottle neck 24, the risk of disconnection of the washer 20 of the body 14 is hereby increased.

A l'étape de bouchage du col 24 de bouteille telle qu'illustrée à la figure 2, la plaque de muselet et le muselet empêchant l'expulsion du bouchon 10 n'ont pas encore été fixés sur le bouchon 10.At the step of capping the bottle neck 24 as illustrated in FIG. figure 2 , the muselet plate and the muselet preventing the expulsion of the stopper 10 have not yet been fixed on the stopper 10.

De sorte à présenter une résistance accrue à la compression exercée par ces deux moyens, dans un mode de réalisation non couvert par la présente invention, la rondelle 20 supérieure peut être fabriquée de sorte que le veinage du liège naturel s'étend sensiblement parallèlement à l'axe 12 longitudinal du bouchon. Les lenticelles du liège naturel de la rondelle 20 débouchent sur sa surface extérieure cylindrique. En outre, avec une telle orientation, la résistance à la torsion de la rondelle 20 lors du débouchage du col 24 de bouteille est également augmentée.In order to have an increased compressive strength exerted by these two means, in an embodiment not covered by the present invention, the upper washer 20 can be manufactured so that the veining of the natural cork extends substantially parallel to the longitudinal axis 12 of the plug. The lenticels of the natural cork of the washer 20 open on its cylindrical outer surface. In addition, with such an orientation, the torsional resistance of the washer 20 during unclogging of the bottle neck 24 is also increased.

Afin de fabriquer la rondelle 20 avec une telle orientation du veinage, on peut procéder de la manière suivante. Des bandes de liège sont découpées horizontalement dans des planches brutes de liège et sont collées ensuite pour former un bloc de hauteur égale à celle de la rondelle 20, cette hauteur s'étendant selon les veines du liège. La rondelle 20 est ensuite obtenue par découpage dans ce bloc et tournage.In order to manufacture the washer 20 with such a veining orientation, it is possible to proceed as follows. Strips of cork are cut horizontally in raw planks of cork and are then glued to form a block of height equal to that of the washer 20, this height extending along the veins of the cork. The washer 20 is then obtained by cutting in this block and turning.

Dans le premier exemple de réalisation illustré, le bouchon 10 présente, avant bouchage, une surface extérieure cylindrique. Dans l'exemple de réalisation illustré à la figure 3, non couvert par la présente invention, sur laquelle les éléments identiques portent les mêmes références, le bouchon 10 présente avant bouchage un épaulement 30 annulaire qui est orienté axialement vers le bas, i.e. en direction des rondelles 16, 18 inférieures. L'épaulement 30 s'étend radialement. A titre indicatif, pour un bouchon présentant un diamètre de 31 mm, la dimension radiale de l'épaulement peut être comprise entre 0.5 mm et 3 mm.In the first exemplary embodiment illustrated, the plug 10 has, before plugging, a cylindrical outer surface. In the exemplary embodiment illustrated in figure 3 , not covered by the present invention, on which the identical elements bear the same references, the cap 10 has before closure an annular shoulder 30 which is oriented axially downwards, ie towards the washers 16, 18 below. The shoulder 30 extends radially. As an indication, for a plug having a diameter of 31 mm, the radial dimension of the shoulder may be between 0.5 mm and 3 mm.

L'épaulement 30 est formé sur le corps 14. L'épaulement 30 délimite une surface d'appui destiné à venir en contact contre le buvant du col de bouteille lors de l'enfoncement du bouchon dans ce col. Ainsi, on garantit la précision et la régularité de la profondeur de bouchage. Après bouchage, le positionnement souhaité de l'interface 22 du bouchon 10 relativement au buvant du col de bouteille est garanti. Dans cet exemple de réalisation, le corps 14 du bouchon présente entre l'épaulement 30 et la face d'extrémité inférieure 18a de la rondelle 18 une forme légèrement tronconique.The shoulder 30 is formed on the body 14. The shoulder 30 delimits a bearing surface intended to come into contact with the rim of the neck of the bottle during the depression of the stopper in this case. collar. Thus, one guarantees the precision and the regularity of the depth of closure. After plugging, the desired positioning of the interface 22 of the plug 10 relative to the mouth of the neck of the bottle is guaranteed. In this embodiment, the body 14 of the plug has between the shoulder 30 and the lower end face 18a of the washer 18 a slightly frustoconical shape.

Dans cet exemple de réalisation, l'épaulement 30 est décalé axialement vers le bas, i.e. du côté des rondelles 16, 18 inférieures, par rapport à l'interface 22. En variante, il est possible de prévoir une disposition relative de l'interface 22 et de l'épaulement 30 de sorte à ce qu'ils soient situés dans le même plan radial.In this exemplary embodiment, the shoulder 30 is offset axially downward, ie on the side of the washers 16, 18 below, with respect to the interface 22. In a variant, it is possible to provide a relative provision of the interface 22 and the shoulder 30 so that they are located in the same radial plane.

L'invention a été illustrée sur la base d'un bouchon comprenant une unique rondelle de tête supérieure en liège naturel. En variante, il est possible, sans sortir du cadre de l'invention, de prévoir un bouchon qui comprend plusieurs rondelles supérieures en liège naturel empilées.The invention has been illustrated on the basis of a cap comprising a single upper head washer made of natural cork. In a variant, it is possible, without departing from the scope of the invention, to provide a stopper that comprises several stacked top natural cork washers.

Claims (3)

  1. Method for corking a sparkling wine bottle neck with the aid of a stopper (10) of general cylindrical form and comprising a stopper body (14), at least one lower round (18) made from natural cork affixed to a lower end of said body, and at least one upper round (20) made from natural cork affixed to an upper end of said body, wherein the stopper (10) is compressed over its entire height and is then forced into the bottle neck until the interface (22) between the stopper body and said upper round is offset axially towards the exterior of the neck relative to the edge of said neck.
  2. Method according to Claim 1, wherein the interface (22) between the stopper body and said upper round of the stopper is offset axially towards the exterior at least by 3 millimetres relative to said edge.
  3. Method according to Claim 1 or 2, wherein the stopper (10) is forced into the bottle neck by a driving piston of a corking machine bearing on the upper end face of said upper round (20).
EP17161752.5A 2016-03-22 2017-03-20 Composite stopper for sparkling wines Active EP3222548B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1652451A FR3049272B1 (en) 2016-03-22 2016-03-22 COMPOSITE PLUG FOR EFFERVESCENT WINES

Publications (2)

Publication Number Publication Date
EP3222548A1 EP3222548A1 (en) 2017-09-27
EP3222548B1 true EP3222548B1 (en) 2019-07-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17161752.5A Active EP3222548B1 (en) 2016-03-22 2017-03-20 Composite stopper for sparkling wines

Country Status (4)

Country Link
EP (1) EP3222548B1 (en)
ES (1) ES2753209T3 (en)
FR (1) FR3049272B1 (en)
PT (1) PT3222548T (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3109574B1 (en) * 2020-04-27 2022-04-22 Ets Barange Fabrique De Bouchons Stopper for sparkling wines or carbonated liquids

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR751559A (en) * 1932-10-27 1933-09-06 Improvements to cork stoppers
FR845665A (en) * 1938-11-05 1939-08-30 Perfect stopper for sparkling wines and its production process
FR1017600A (en) * 1950-04-12 1952-12-12 Manuf Fr De Bouchons Composite cork stopper and manufacturing process
FR1090560A (en) * 1953-09-16 1955-03-31 Jose Jano Ets Stopper, in particular for bottles of champagne or sparkling wine
FR2871087B1 (en) * 2004-06-07 2007-01-05 Barange Fabrique De Bouchons S METHOD FOR MANUFACTURING AN ELEMENT COMPRISING AT LEAST THE CORK, IN PARTICULAR A PLUG, AND ELEMENT OBTAINED BY SUCH A METHOD
PT104082A (en) * 2008-05-30 2009-11-30 Amorim & Irmaos S A REMOVAL AND MANUAL REINSERTION SEALING ROLL

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
ES2753209T3 (en) 2020-04-07
PT3222548T (en) 2019-10-29
FR3049272A1 (en) 2017-09-29
EP3222548A1 (en) 2017-09-27
FR3049272B1 (en) 2018-03-30

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