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EP1254058B1 - Closure device for container - Google Patents

Closure device for container Download PDF

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Publication number
EP1254058B1
EP1254058B1 EP01904054A EP01904054A EP1254058B1 EP 1254058 B1 EP1254058 B1 EP 1254058B1 EP 01904054 A EP01904054 A EP 01904054A EP 01904054 A EP01904054 A EP 01904054A EP 1254058 B1 EP1254058 B1 EP 1254058B1
Authority
EP
European Patent Office
Prior art keywords
neck
pourer
cap
skirt
container
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
EP01904054A
Other languages
German (de)
French (fr)
Other versions
EP1254058A1 (en
Inventor
Philippe Odet
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP1254058A1 publication Critical patent/EP1254058A1/en
Application granted granted Critical
Publication of EP1254058B1 publication Critical patent/EP1254058B1/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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B65D47/147—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps
    • B65D47/148—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps with internal parts
    • 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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/30—Annular members, e.g. with snap-over action or screw-threaded

Definitions

  • the invention relates to a device for plugging a container and to a container equipped with such a device.
  • a closure device according to the preamble of claim 1 is known from document EP-A-0 320 808.
  • a closure device equipped with a pourer which includes hooking means effective of a set, forming a cap and equipped with a cap, as well as a pourer on the neck of the container, these means not involving a risk of deformation too important bottlenecks when setting up the device or risk of separation of the device from the neck in use.
  • the invention relates to a device of the the aforementioned type in which the cap assembly comprises two hanging cords extending radially inward from a ring, a first bead being able to engage with an external flange of the neck, then that a second cord is able to engage with a pourer's external flange, these first and second cords defining between them a receiving volume of these collars.
  • the ring of the assembly forming cap allows to immobilize the pouring collar and the neck of the neck in the volume defined between the cords hooking, which guarantees locking by cooperation of shapes of the cap assembly and the pourer on the neck.
  • edges aforementioned attachment are suitable for exerting on the flanges aforementioned an effort opposing their relative spacing.
  • This effort which can be elastic due to the nature of the constituent materials of the neck and of the assembly forming cap, allows clamping of the flanges one towards the other.
  • the invention also relates to a container for liquid, including a plastic bottle, equipped with a device closure as previously described.
  • a container for liquid including a plastic bottle, equipped with a device closure as previously described.
  • Such a container is easier to manufacture than those of the prior art, without risk of deformation of the neck during installation of the pourer, while the pourer is not likely to be disconnected from the neck when using the container.
  • the bottle 1 shown in the figures is a bottle intended to contain milk, produced by blowing a high density polyethylene parison. Such a bottle is attractively priced while it effectively fulfills its function as a container.
  • the neck 2 of this bottle is cylindrical and we denote X 2 -X ' 2 its axis of symmetry.
  • This neck has a curved generatrix and it forms a generally annular surface 21 whose inner end constitutes the edge 22 of the neck 2, the surface 21 extending opposite the edge 22 by a cylindrical part with a straight generator 23 itself connected to a frustoconical part 24 by a transition zone 25.
  • the part 24 forms a flange 26 extending radially outwards because the part 24 is convergent with respect to the axis X 2 -X ' 2 in the direction of the edge 22 and diverging in the direction of the body 11 of the bottle 1.
  • the neck 2 also includes a part 27 set back towards the inside of the neck 2 relative to the flange 26, the part 27 being connected by a generally frustoconical part 28 to a bead 29 forming the base of the neck 2.
  • the device of the invention also comprises a pourer 3 and a set 4 forming a cap made of material plastic.
  • Pourer 3 is molded from low polyethylene density while the assembly 4, which is in one piece, is molded high or medium density polyethylene.
  • Other materials can be used for the molding of elements 2, 3 and 4, the material of the pourer 3 remaining less rigid than those of the neck 2 and assembly 4.
  • the pourer 3 is cylindrical and symmetrical about an axis X 3 -X ' 3 merged with the axis X 2 -X' 2 when the pourer 3 is mounted on the neck 2.
  • the pourer 3 comprises a part 31 with a generatrix substantially straight whose edge 32 opposite the body 11 is curved outwards, so that it forms a surface 32 a for milk flow without contact with the neck 2.
  • the part 31 is partially arranged inside the neck 2.
  • the flange 36 comprises an upper surface 36 a of annular shape and generally perpendicular to the axis X 3 -X ' 3 .
  • the adjectives superior and lower correspond to the orientation of the figures, the side lower of an element being oriented towards the body 11 then that its upper side is facing away from it.
  • the edge 34 delimits an internal frustoconical surface 34 a converging towards the axis X 3 -X ' 3 in the direction of the upper edge 32 of the pourer, the surface 34 a extending to an internal rod 33 a of the skirt 33.
  • the angle at the top ⁇ of the surface 34 a is substantially equal to the angle at the top ⁇ of the surface 24 a .
  • a lid 37 is connected to the portion 31 by a zone 37 has predetermined breaking this seal to isolate the interior of the body 11 of the bottle 1 while it remains in place.
  • the cover 37 is integral with a grip ring 38 in which a user can pass the finger to exert a force F 1 directed opposite the body 11 in order to remove this cover when it is appropriate to use the milk contained. in the bottle.
  • the assembly 4 comprises a ring 41 intended to be arranged around the neck 2, this ring being provided with two attachment cords 411 and 412 which extend radially inwards from it.
  • the ring 41 is generally cylindrical and the cord 411 is formed near the lower edge 413 of the ring 41.
  • the cord 411 forms a surface 411 a generally frustoconical and divergent towards the edge 413.
  • the cord 411 also forms an upper annular surface 411 b generally perpendicular to a central axis X 4 -X ' 4 of the assembly 4.
  • the cord 412 forms a frustoconical surface 412 a centered on the axis X 4 -X ' 4 and converging towards the edge 413 and an annular surface 412 b generally perpendicular to the axis X 4 -X' 4 .
  • a concave volume V is defined, on the lower periphery of the ring 41, between the surfaces 411 b and 412 b of the cords 411 and 412.
  • the ring 41 is connected by a hinge 42, formed by an elastically deformable thinned zone, to a generally cylindrical cap 43.
  • the cap Before the first use of the bottle, the cap is connected by a band 44 to the ring 41 over almost the entire circumference of this ring.
  • the band 44 is respectively connected by two frangible zones 44 a and 44 b to the ring 41 and to the plug 43.
  • a tongue 44 c makes it possible to remove the band 44 by breaking zones 44 a and 44 b , which allows a movement of pivoting of the cap around the axis X 42 -X '42 of the hinge 42, between the positions of FIGS. 1 and 2.
  • the hinge 42 can be associated with bistable tongues, only one of which appears in FIG. 3 with the reference 42 a , which makes it possible to keep the orientation of the cap 43 in each of the positions shown in FIGS. 1 and 2.
  • the cap 43 is equipped with a tongue or "cap” 431 making it possible to lift it by a force F 2 shown in FIG. 2.
  • the pourer 3 and the assembly 4 are pre-assembled by introducing the pourer into the interior volume of the assembly 4, in a translation parallel to the axes X 3 -X ' 3 and X 4 -X' 4 as shown by the arrows F 3 in FIG. 3. Next, the structure formed of elements 3 and 4 is moved to translafigure 4.
  • the skirt 33 covers the upper part of the neck 2, that is to say the parts 21 to 23, the surfaces 34 a and 24 a then being in surface support, which is possible due to the equality of the angles ⁇ and ⁇ .
  • the establishment of the pourer 3 on the neck 2 does not require to deform this neck or this pourer.
  • the surface 411 a of the cord 411 comes to bear against the flange 36 and the flared nature of the surface 411 a allows progressive radial expansion of the edge 413 of the ring 41.
  • the ring 41 progresses in the direction of the body 11 until the bead 11 exceeds the collar 26, so that the surface 411 b comes opposite the surface 26 a .
  • the ring 41 is then locked on the neck 2 as shown in FIG. 5. It cannot be torn off by a force in a direction opposite to the arrows F 4 in FIG. 4 because the surfaces 411 b and 26 a contribute to a locking effective of the cord 411 at the level of the part 27 of the neck 2.
  • the geometry of the volume V that is to say in particular the distance d between the surfaces 411 b and 412 b , is chosen so that, when the cord 411 is in place at the surface 27, the surface 412 b comes opposite the surface 36 a , so that the edge 34 of the skirt 33 is held in abutment or at a short distance from the frustoconical part 24 of the neck 2.
  • the pourer 3 is thus locked in position on the neck 2 by the cooperation of cords 411 and 412.
  • the distance d 'between the surfaces 26 a and 63 a, in the mounted configuration of the device as shown in Figures 5 and 6, is chosen less than or equal to the distance d.
  • the cords 411 and 412 are capable of exerting on the flanges 26 and 36 a force F 5 tending to oppose a spacing of the flanges 26 and 36.
  • the force F 5 is a clamping force of the flanges 26 and 36 one towards the other.
  • the ring 41 extends by a flexible skirt 45 provided to bear against the body 11.
  • the skirt 45 is deformed during the positioning of set 4 to match the geometry of part 28 as shown in Figures 5 and 6.
  • the skirt 45 limits access to the cord 411, which prevents fraudulent manipulation of the closure device.
  • the cap 42 On its internal surface 432, the cap 42 is equipped with a skirt 433 whose height H is such that it extends as far as the edge 22 when the cap is folded back on the pourer 3, the skirt 433 being equipped of an outer bead 434 making it possible to exert on the internal radial surface 31 a of the part 31, a centrifugal force F 6 tending to press the pourer 3 on the edge 22, which guarantees the seal between the neck 2 and the pourer 3, on the one hand, and between the pourer 3 and the cap 43, on the other hand.
  • the pourer 3, on the one hand, and the cap assembly, on the other hand, are each made in one piece by molding, so that their handling and their installation on the neck are easy.
  • the invention has been described with an assembly forming hinged cap. It is however applicable with a screw cap, belonging to a cap assembly fitted with a retaining ring on the neck of a container.
  • the invention has been represented with hanging cords 411 and 412 extending over the entire internal circumference of ring 41.
  • these cords could be interrupted or extend over only part of this circumference.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Closing Of Containers (AREA)
  • Glass Compositions (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The invention concerns a device comprising a pourer, adapted to be mounted on the container neck, and an assembly forming a cover adapted to be mounted on said neck and comprising a cap mobile between a first position where it isolates the neck and the pourer from outside and a second position providing access to the neck and the pourer. The assembly forming a cover comprises two catching string rims (411, 412) extending radially inwards from a ring (41), one first string rim (411) being adapted to be engaged with an external flange (26) of the neck (2) while a second string rim (412) is adapted to be engaged with an external flange (36) of the pourer (3), said string rims (411, 412) defining between them a volume (V) for receiving the flanges (26, 36).

Description

L'invention a trait à un dispositif de bouchage d'un récipient et à un récipient équipé d'un tel dispositif.The invention relates to a device for plugging a container and to a container equipped with such a device.

Il est connu de réaliser des récipients pour liquide, tels que des bouteilles de lait en matière plastique, par exemple en polyéthylène haute densité. Afin d'éviter des égouttures de liquide lors du versement à partir du goulot du récipient, il est connu d'équiper ce goulot d'un verseur formant une surface d'écoulement du liquide. Un tel verseur peut être encliqueté sur le goulot. Or, compte tenu de l'épaisseur du goulot et du corps du récipient, ceux-ci ont tendance à se déformer lors de l'encliquetage du verseur. En outre, un récipient est généralement équipé d'un capuchon. Lors de l'ouverture de ce capuchon, il se produit parfois une désolidarisation du verseur par rapport au goulot, ce qui impose à l'utilisateur des manipulations pénibles de remise en place du verseur sur un récipient déjà rempli de liquide, d'où des risques importants de renversement du récipient et du liquide qu'il contient.It is known to produce containers for liquid, such as plastic milk bottles, for example example in high density polyethylene. In order to avoid liquid dripping when pouring from the neck of the container, it is known to equip this neck with a pourer forming a liquid flow surface. Such a pourer can be snapped onto the neck. However, taking into account the thickness of the neck and the body of the container, these have tendency to deform when the pourer clicks into place. In in addition, a container is generally fitted with a cap. When opening this cap, there is sometimes a separation of the pourer from the neck, which imposes painful handling on the user in place of the pourer on a container already filled with liquid, hence significant risks of the container overturning and of the liquid it contains.

Un dispositif de bouchage selon le préambule de la revendication 1 est connu du document EP-A- 0 320 808.A closure device according to the preamble of claim 1 is known from document EP-A-0 320 808.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un dispositif de bouchage équipé d'un verseur, qui comprend des moyens d'accrochage efficace d'un ensemble, formant coiffe et équipé d'un capuchon, ainsi que d'un verseur sur le goulot du récipient, ces moyens n'impliquant pas de risque de déformation trop importants du goulot lors de la mise en place du dispositif ou de risque de désolidarisation du dispositif par rapport au goulot en cours d'utilisation.It is to these disadvantages that we hear more particularly remedy the invention by proposing a closure device equipped with a pourer, which includes hooking means effective of a set, forming a cap and equipped with a cap, as well as a pourer on the neck of the container, these means not involving a risk of deformation too important bottlenecks when setting up the device or risk of separation of the device from the neck in use.

Dans cet esprit, l'invention concerne un dispositif du type précité dans lequel l'ensemble formant coiffe comprend deux cordons d'accrochage s'étendant radialement vers l'intérieur à partir d'une bague, un premier cordon étant apte à venir en prise avec une collerette externe du goulot, alors qu'un second cordon est apte à venir en prise avec une collerette externe du verseur, ces premier et second cordons définissant entre eux un volume de réception de ces collerettes.In this spirit, the invention relates to a device of the the aforementioned type in which the cap assembly comprises two hanging cords extending radially inward from a ring, a first bead being able to engage with an external flange of the neck, then that a second cord is able to engage with a pourer's external flange, these first and second cords defining between them a receiving volume of these collars.

Grâce à l'invention, la bague de l'ensemble formant coiffe permet d'immobiliser la collerette du verseur et la collerette du goulot dans le volume défini entre les cordons d'accrochage, ce qui garantit un verrouillage par coopération de formes de l'ensemble formant coiffe et du verseur sur le goulot.Thanks to the invention, the ring of the assembly forming cap allows to immobilize the pouring collar and the neck of the neck in the volume defined between the cords hooking, which guarantees locking by cooperation of shapes of the cap assembly and the pourer on the neck.

Selon un aspect avantageux de l'invention, les bords d'accrochage précités sont aptes à exercer sur les collerettes précitées un effort s'opposant à leur écartement relatif. Cet effort, qui peut être élastique du fait de la nature des matériaux constitutifs du goulot et de l'ensemble formant coiffe, permet un serrage des collerettes l'une en direction de l'autre.According to an advantageous aspect of the invention, the edges aforementioned attachment are suitable for exerting on the flanges aforementioned an effort opposing their relative spacing. This effort, which can be elastic due to the nature of the constituent materials of the neck and of the assembly forming cap, allows clamping of the flanges one towards the other.

Selon d'autres aspects avantageux de l'invention, le dispositif incorpore une ou plusieurs des caractéristiques suivantes :

  • Le premier cordon forme une surface inclinée par rapport à un axe central du dispositif, cette surface étant évasée en direction du corps du récipient. Cette surface qui peut être tronconique dans le cas d'un goulot et d'une bague cylindriques, facilite l'encliquetage de la bague sur le goulot car elle constitue une rampe d'expansion radiale de la bague.
  • Les cordons forment chacun une surface globalement perpendiculaire à un axe central du dispositif. Ces surfaces perpendiculaires à l'axe central, qui sont annulaires dans le cas d'une bague cylindrique, forment des moyens de verrouillage efficace des collerettes contre la bague. On peut prévoir que ces surfaces se font face et que le volume de réception des collerettes est défini entre elles.
  • La collerette du verseur s'étend radialement vers l'extérieur à partir d'un bord d'une jupe formée par ce verseur et apte à coiffer le goulot. Dans ce cas, la jupe forme avantageusement une surface inclinée par rapport à un axe central du dispositif, cette surface étant apte à venir en appui surfacique contre une surface inclinée correspondante à l'extérieur du goulot.
  • La bague se prolonge, à l'opposé du capuchon, par une jupe, apte à venir en appui contre une surface externe d'une partie du récipient. Cette jupe permet de masquer la zone de transition entre l'ensemble formant coiffe et le corps du récipient.
  • Le verseur est disposé au moins partiellement à l'intérieur du goulot, alors que le capuchon est pourvu d'une jupe s'étendant, dans la première position précitée et à partir d'une surface interne du capuchon, jusqu'au niveau d'un bord du goulot, la jupe étant apte à exercer, dans la première position et contre une surface radiale interne du verseur, un effort tendant à plaquer ce verseur contre ce bord. Cette jupe permet de réaliser un assemblage étanche entre le capuchon et le verseur par expansion radiale du verseur et compression contre le bord du goulot.
According to other advantageous aspects of the invention, the device incorporates one or more of the following characteristics:
  • The first bead forms an inclined surface with respect to a central axis of the device, this surface being flared towards the body of the container. This surface which can be frustoconical in the case of a neck and a cylindrical ring, facilitates the snap-fastening of the ring on the neck because it constitutes a ramp for the radial expansion of the ring.
  • The cords each form a surface generally perpendicular to a central axis of the device. These surfaces perpendicular to the central axis, which are annular in the case of a cylindrical ring, form means for effective locking of the flanges against the ring. It can be foreseen that these surfaces face each other and that the volume for receiving the collars is defined between them.
  • The pourer's flange extends radially outwards from an edge of a skirt formed by this pourer and capable of covering the neck. In this case, the skirt advantageously forms an inclined surface with respect to a central axis of the device, this surface being able to come into surface support against a corresponding inclined surface outside the neck.
  • The ring is extended, opposite the cap, by a skirt, capable of coming to bear against an external surface of a part of the container. This skirt hides the transition zone between the cap assembly and the container body.
  • The pourer is arranged at least partially inside the neck, while the cap is provided with a skirt extending, in the first aforementioned position and from an internal surface of the cap, up to the level of one edge of the neck, the skirt being capable of exerting, in the first position and against an internal radial surface of the pourer, a force tending to press this pourer against this edge. This skirt makes it possible to produce a sealed assembly between the cap and the pourer by radial expansion of the pourer and compression against the edge of the neck.

L'invention concerne également un récipient pour liquide, notamment une bouteille en plastique, équipé d'un dispositif de bouchage tel que précédemment décrit. Un tel récipient est plus facile à fabriquer que ceux de l'état de la technique, sans risque de déformation du goulot lors de la mise en place du verseur, alors que le verseur ne risque pas d'être désolidarisé du goulot lors de l'utilisation du récipient.The invention also relates to a container for liquid, including a plastic bottle, equipped with a device closure as previously described. Such a container is easier to manufacture than those of the prior art, without risk of deformation of the neck during installation of the pourer, while the pourer is not likely to be disconnected from the neck when using the container.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaítront plus clairement à la lumière de la description qui va suivre d'un mode de réalisation d'un dispositif de bouchage conforme à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'une partie supérieure d'une bouteille de lait conforme à l'invention, équipée d'un dispositif de bouchage conforme à l'invention dont le capuchon est dans une première position ;
  • la figure 2 est une vue analogue à la figure 1 alors que le capuchon est dans une seconde position ;
  • la figure 3 est une coupe éclatée, selon la ligne III-III à la figure 1, du dispositif de bouchage ;
  • la figure 4 est une coupe du dispositif des figures 1 à 3 en cours de montage sur le goulot de la bouteille ;
  • la figure 5 est une demi-coupe à plus grande échelle selon la ligne V-V à la figure 1 et
  • la figure 6 est une vue à plus grande échelle du détail VI à la figure 5.
The invention will be better understood and other advantages of it will appear more clearly in the light of the following description of an embodiment of a closure device in accordance with its principle, given solely by way of example and made with reference to the accompanying drawings in which:
  • Figure 1 is a perspective view of an upper part of a milk bottle according to the invention, equipped with a closure device according to the invention, the cap is in a first position;
  • Figure 2 is a view similar to Figure 1 while the cap is in a second position;
  • Figure 3 is an exploded section along line III-III in Figure 1 of the closure device;
  • Figure 4 is a section of the device of Figures 1 to 3 during assembly on the neck of the bottle;
  • FIG. 5 is a half-section on a larger scale along the line VV in FIG. 1 and
  • FIG. 6 is an enlarged view of detail VI in FIG. 5.

La bouteille 1 représentée sur les figures est une bouteille destinée à contenir du lait, réalisée par soufflage d'une paraison en polyéthylène haute densité. Une telle bouteille est d'un prix de revient attractif alors qu'elle remplit efficacement sa fonction de contenant.The bottle 1 shown in the figures is a bottle intended to contain milk, produced by blowing a high density polyethylene parison. Such a bottle is attractively priced while it effectively fulfills its function as a container.

Le goulot 2 de cette bouteille est cylindrique et l'on note X2-X'2 son axe de symétrie. Ce goulot a une génératrice courbe et il forme une surface globalement annulaire 21 dont l'extrémité intérieure constitue le bord 22 du goulot 2, la surface 21 se prolongeant à l'opposé du bord 22 par une partie cylindrique à génératrice rectiligne 23 elle-même reliée à une partie tronconique 24 par une zone de transition 25. A l'opposé de la zone 25, la partie 24 forme une collerette 26 s'étendant radialement vers l'extérieur car la partie 24 est convergente par rapport à l'axe X2-X'2 en direction du bord 22 et divergente en direction du corps 11 de la bouteille 1. Le goulot 2 comprend également une partie 27 en retrait vers l'intérieur du goulot 2 par rapport à la collerette 26, la partie 27 étant reliée par une partie globalement tronconique 28 à un bourrelet 29 formant la base du goulot 2.The neck 2 of this bottle is cylindrical and we denote X 2 -X ' 2 its axis of symmetry. This neck has a curved generatrix and it forms a generally annular surface 21 whose inner end constitutes the edge 22 of the neck 2, the surface 21 extending opposite the edge 22 by a cylindrical part with a straight generator 23 itself connected to a frustoconical part 24 by a transition zone 25. Opposite zone 25, the part 24 forms a flange 26 extending radially outwards because the part 24 is convergent with respect to the axis X 2 -X ' 2 in the direction of the edge 22 and diverging in the direction of the body 11 of the bottle 1. The neck 2 also includes a part 27 set back towards the inside of the neck 2 relative to the flange 26, the part 27 being connected by a generally frustoconical part 28 to a bead 29 forming the base of the neck 2.

On note 24a la surface extérieure de la partie 24. On note 26a la surface globalement annulaire de la collerette 26 tournée vers le corps 11, cette surface étant globalement perpendiculaire à l'axe X2-X'2.We note 24 on the outer surface of the part 24. We note 26 on the generally annular surface of the flange 26 facing the body 11, this surface being generally perpendicular to the axis X 2 -X ' 2 .

Le dispositif de l'invention comprend également un verseur 3 et un ensemble 4 formant coiffe réalisés en matière plastique. Le verseur 3 est moulé en polyéthylène basse densité alors que l'ensemble 4, qui est monobloc, est moulé en polyéthylène haute ou moyenne densité. D'autres matériaux peuvent être utilisés pour le moulage des éléments 2, 3 et 4, le matériau du verseur 3 demeurant moins rigide que ceux du goulot 2 et de l'ensemble 4. The device of the invention also comprises a pourer 3 and a set 4 forming a cap made of material plastic. Pourer 3 is molded from low polyethylene density while the assembly 4, which is in one piece, is molded high or medium density polyethylene. Other materials can be used for the molding of elements 2, 3 and 4, the material of the pourer 3 remaining less rigid than those of the neck 2 and assembly 4.

Le verseur 3 est cylindrique et symétrique autour d'un axe X3-X'3 confondu avec l'axe X2-X'2 lorsque le verseur 3 est monté sur le goulot 2. Le verseur 3 comprend une partie 31 à génératrice sensiblement rectiligne dont le bord 32 opposé au corps 11 est recourbé vers l'extérieur, de telle sorte qu'il forme une surface 32a d'écoulement du lait sans contact avec le goulot 2. Lorsque le verseur 3 est monté sur le goulot 2, la partie 31 est disposée partiellement à l'intérieur du goulot 2.The pourer 3 is cylindrical and symmetrical about an axis X 3 -X ' 3 merged with the axis X 2 -X' 2 when the pourer 3 is mounted on the neck 2. The pourer 3 comprises a part 31 with a generatrix substantially straight whose edge 32 opposite the body 11 is curved outwards, so that it forms a surface 32 a for milk flow without contact with the neck 2. When the pourer 3 is mounted on the neck 2, the part 31 is partially arranged inside the neck 2.

A partir d'une zone médiane de la partie 31 s'étend radialement vers l'extérieur une jupe 33 destinée à coiffer la zone 21, la jupe étant pourvue, au niveau de son bord 34 distant de la partie 31 d'une collerette 36 s'étendant radialement vers l'extérieur à partir du bord 34. La collerette 36 comprend une surface supérieure 36a de forme annulaire et globalement perpendiculaire à l'axe X3-X'3.From a central zone of the part 31 extends radially outwards a skirt 33 intended to cover the zone 21, the skirt being provided, at its edge 34 remote from the part 31 with a collar 36 extending radially outward from the edge 34. The flange 36 comprises an upper surface 36 a of annular shape and generally perpendicular to the axis X 3 -X ' 3 .

Dans la présente description, les adjectifs supérieur et inférieur correspondent à l'orientation des figures, le côté inférieur d'un élément étant orienté vers le corps 11 alors que son côté supérieur est orienté à l'opposé de celui-ci.In the present description, the adjectives superior and lower correspond to the orientation of the figures, the side lower of an element being oriented towards the body 11 then that its upper side is facing away from it.

Le bord 34 délimite une surface tronconique interne 34a convergente vers l'axe X3-X'3 en direction du bord supérieur 32 du verseur, la surface 34a se prolongeant jusqu'à un jonc interne 33a de la jupe 33.The edge 34 delimits an internal frustoconical surface 34 a converging towards the axis X 3 -X ' 3 in the direction of the upper edge 32 of the pourer, the surface 34 a extending to an internal rod 33 a of the skirt 33.

L'angle au sommet α de la surface 34a est sensiblement égal à l'angle au sommet β de la surface 24a.The angle at the top α of the surface 34 a is substantially equal to the angle at the top β of the surface 24 a .

Un opercule 37 est raccordé à la partie 31 par une zone 37a de rupture privilégiée, cet opercule permettant d'isoler le volume intérieur du corps 11 de la bouteille 1 tant qu'il demeure en place. L'opercule 37 est solidaire d'un anneau de préhension 38 dans lequel un utilisateur peut passer le doigt pour exercer un effort F1 dirigé à l'opposé du corps 11 afin de retirer cet opercule lorsqu'il convient d'utiliser le lait contenu dans la bouteille.A lid 37 is connected to the portion 31 by a zone 37 has predetermined breaking this seal to isolate the interior of the body 11 of the bottle 1 while it remains in place. The cover 37 is integral with a grip ring 38 in which a user can pass the finger to exert a force F 1 directed opposite the body 11 in order to remove this cover when it is appropriate to use the milk contained. in the bottle.

L'ensemble 4 comprend une bague 41 destinée à être disposée autour du goulot 2, cette bague étant pourvue de deux cordons d'accrochage 411 et 412 qui s'étendent radialement vers l'intérieur à partir de celle-ci. La bague 41 est globalement cylindrique et le cordon 411 est ménagé à proximité du bord inférieur 413 de la bague 41. Le cordon 411 forme une surface 411a globalement tronconique et divergente en direction du bord 413. Le cordon 411 forme également une surface supérieure annulaire 411b globalement perpendiculaire à un axe central X4-X'4 de l'ensemble 4.The assembly 4 comprises a ring 41 intended to be arranged around the neck 2, this ring being provided with two attachment cords 411 and 412 which extend radially inwards from it. The ring 41 is generally cylindrical and the cord 411 is formed near the lower edge 413 of the ring 41. The cord 411 forms a surface 411 a generally frustoconical and divergent towards the edge 413. The cord 411 also forms an upper annular surface 411 b generally perpendicular to a central axis X 4 -X ' 4 of the assembly 4.

Le cordon 412 forme quant à lui une surface tronconique 412a centrée sur l'axe X4-X'4 et convergente en direction du bord 413 et une surface annulaire 412b globalement perpendiculaire à l'axe X4-X'4. Ainsi, un volume concave V est défini, sur le pourtour inférieur de la bague 41, entre les surfaces 411b et 412b des cordons 411 et 412.The cord 412 forms a frustoconical surface 412 a centered on the axis X 4 -X ' 4 and converging towards the edge 413 and an annular surface 412 b generally perpendicular to the axis X 4 -X' 4 . Thus, a concave volume V is defined, on the lower periphery of the ring 41, between the surfaces 411 b and 412 b of the cords 411 and 412.

La bague 41 est reliée par une charnière 42, formée par une zone amincie élastiquement déformable, à un capuchon 43 globalement cylindrique. Avant la première utilisation de la bouteille, le capuchon est relié par une bande 44 à la bague 41 sur la quasi totalité de la circonférence de cette bague. La bande 44 est respectivement reliée par deux zones frangibles 44a et 44b à la bague 41 et au bouchon 43. Une languette 44c permet de retirer la bande 44 par rupture des zones 44a et 44b, ce qui autorise un mouvement de pivotement du capuchon autour de l'axe X42-X'42 de la charnière 42, entre les positions des figures 1 et 2.The ring 41 is connected by a hinge 42, formed by an elastically deformable thinned zone, to a generally cylindrical cap 43. Before the first use of the bottle, the cap is connected by a band 44 to the ring 41 over almost the entire circumference of this ring. The band 44 is respectively connected by two frangible zones 44 a and 44 b to the ring 41 and to the plug 43. A tongue 44 c makes it possible to remove the band 44 by breaking zones 44 a and 44 b , which allows a movement of pivoting of the cap around the axis X 42 -X '42 of the hinge 42, between the positions of FIGS. 1 and 2.

La charnière 42 peut être associée à des languettes bistables, dont une seule apparaít à la figure 3 avec la référence 42a, ce qui permet de conserver l'orientation du capuchon 43 dans chacune des positions représentées aux figures 1 et 2.The hinge 42 can be associated with bistable tongues, only one of which appears in FIG. 3 with the reference 42 a , which makes it possible to keep the orientation of the cap 43 in each of the positions shown in FIGS. 1 and 2.

Le capuchon 43 est équipé d'une languette ou "casquette" 431 permettant de le soulever par un effort F2 représenté à la figure 2.The cap 43 is equipped with a tongue or "cap" 431 making it possible to lift it by a force F 2 shown in FIG. 2.

Le verseur 3 et l'ensemble 4 sont pré-assemblés par introduction du verseur dans le volume intérieur de l'ensemble 4, selon une translation parallèle aux axes X3-X'3 et X4-X'4 comme représenté par les flèches F3 à la figure 3. Ensuite, la structure formée des éléments 3 et 4 est déplacée en translafigure 4.The pourer 3 and the assembly 4 are pre-assembled by introducing the pourer into the interior volume of the assembly 4, in a translation parallel to the axes X 3 -X ' 3 and X 4 -X' 4 as shown by the arrows F 3 in FIG. 3. Next, the structure formed of elements 3 and 4 is moved to translafigure 4.

Au terme de cette translation, la jupe 33 coiffe la partie supérieure du goulot 2, c'est-à-dire les parties 21 à 23, les surfaces 34a et 24a étant alors en appui surfacique, ce qui est possible du fait de l'égalité des angles α et β. La mise en place du verseur 3 sur le goulot 2 ne nécessite pas de déformer ce goulot ou ce verseur.At the end of this translation, the skirt 33 covers the upper part of the neck 2, that is to say the parts 21 to 23, the surfaces 34 a and 24 a then being in surface support, which is possible due to the equality of the angles α and β. The establishment of the pourer 3 on the neck 2 does not require to deform this neck or this pourer.

Au cours de la translation selon les flèches F4, la surface 411a du cordon 411 vient en appui contre la collerette 36 et le caractère évasé de la surface 411a permet une expansion radiale progressive du bord 413 de la bague 41. La bague 41 progresse en direction du corps 11 jusqu'à ce que le cordon 11 dépasse la collerette 26, de telle sorte que la surface 411b vient en regard de la surface 26a. La bague 41 est alors verrouillée sur le goulot 2 comme représenté à la figure 5. Elle ne peut pas être arrachée par un effort dans un sens opposé aux flèches F4 à la figure 4 car les surfaces 411b et 26a contribuent à un verrouillage efficace du cordon 411 au niveau de la partie 27 du goulot 2.During the translation along the arrows F 4 , the surface 411 a of the cord 411 comes to bear against the flange 36 and the flared nature of the surface 411 a allows progressive radial expansion of the edge 413 of the ring 41. The ring 41 progresses in the direction of the body 11 until the bead 11 exceeds the collar 26, so that the surface 411 b comes opposite the surface 26 a . The ring 41 is then locked on the neck 2 as shown in FIG. 5. It cannot be torn off by a force in a direction opposite to the arrows F 4 in FIG. 4 because the surfaces 411 b and 26 a contribute to a locking effective of the cord 411 at the level of the part 27 of the neck 2.

La géométrie du volume V, c'est-à-dire en particulier la distance d entre les surfaces 411b et 412b, est choisie de telle sorte que, lorsque le cordon 411 est en place au niveau de la surface 27, la surface 412b vient en regard de la surface 36a, de telle sorte que le bord 34 de la jupe 33 est maintenu en appui ou à faible distance de la partie tronconique 24 du goulot 2. Le verseur 3 est ainsi verrouillé en position sur le goulot 2 par la coopération des cordons 411 et 412.The geometry of the volume V, that is to say in particular the distance d between the surfaces 411 b and 412 b , is chosen so that, when the cord 411 is in place at the surface 27, the surface 412 b comes opposite the surface 36 a , so that the edge 34 of the skirt 33 is held in abutment or at a short distance from the frustoconical part 24 of the neck 2. The pourer 3 is thus locked in position on the neck 2 by the cooperation of cords 411 and 412.

La distance d' entre les surfaces 26a et 63a, en configuration montée du dispositif tel que représenté aux figures 5 et 6, est choisie inférieure ou égale à la distance d. The distance d 'between the surfaces 26 a and 63 a, in the mounted configuration of the device as shown in Figures 5 and 6, is chosen less than or equal to the distance d.

Comme représenté à la figure 6, les cordons 411 et 412 sont aptes à exercer sur les collerettes 26 et 36 un effort F5 tendant à s'opposer à un écartement des collerettes 26 et 36. En ce sens, l'effort F5 est un effort de pincement des collerettes 26 et 36 l'une en direction de l'autre.As shown in FIG. 6, the cords 411 and 412 are capable of exerting on the flanges 26 and 36 a force F 5 tending to oppose a spacing of the flanges 26 and 36. In this sense, the force F 5 is a clamping force of the flanges 26 and 36 one towards the other.

Au niveau de son bord inférieur, la bague 41 se prolonge par une jupe souple 45 prévue pour venir en appui contre le corps 11. La jupe 45 se déforme lors de la mise en place de l'ensemble 4 pour épouser la géométrie de la partie 28 comme représenté aux figures 5 et 6. La jupe 45 limite l'accès au cordon 411, ce qui évite les manipulations frauduleuses du dispositif de bouchage.At its lower edge, the ring 41 extends by a flexible skirt 45 provided to bear against the body 11. The skirt 45 is deformed during the positioning of set 4 to match the geometry of part 28 as shown in Figures 5 and 6. The skirt 45 limits access to the cord 411, which prevents fraudulent manipulation of the closure device.

Sur sa surface interne 432, le capuchon 42 est équipé d'une jupe 433 dont la hauteur H est telle qu'elle s'étend jusqu'en deçà du bord 22 lorsque le capuchon est rabattu sur le verseur 3, la jupe 433 étant équipée d'un bourrelet extérieur 434 permettant d'exercer sur la surface radiale interne 31a de la partie 31, un effort centrifuge F6 tendant à plaquer le verseur 3 sur le bord 22, ce qui garantit l'étanchéité entre le goulot 2 et le verseur 3, d'une part, et entre le verseur 3 et le capuchon 43, d'autre part.On its internal surface 432, the cap 42 is equipped with a skirt 433 whose height H is such that it extends as far as the edge 22 when the cap is folded back on the pourer 3, the skirt 433 being equipped of an outer bead 434 making it possible to exert on the internal radial surface 31 a of the part 31, a centrifugal force F 6 tending to press the pourer 3 on the edge 22, which guarantees the seal between the neck 2 and the pourer 3, on the one hand, and between the pourer 3 and the cap 43, on the other hand.

Le verseur 3, d'une part, et l'ensemble formant capuchon, d'autre part, sont chacun réalisés de façon monobloc par moulage, de sorte que leur manipulation et leur mise en place sur le goulot sont aisées.The pourer 3, on the one hand, and the cap assembly, on the other hand, are each made in one piece by molding, so that their handling and their installation on the neck are easy.

L'invention a été décrite avec un ensemble formant capuchon à charnière. Elle est cependant applicable avec un capuchon vissé, appartenant à un ensemble formant coiffe équipé d'une bague de retenue sur le goulot d'un récipient.The invention has been described with an assembly forming hinged cap. It is however applicable with a screw cap, belonging to a cap assembly fitted with a retaining ring on the neck of a container.

L'invention a été représentée avec des cordons d'accrochage 411 et 412 s'étendant sur toute la circonférence interne de la bague 41. Cependant, ces cordons pourraient être interrompus ou s'étendre sur une partie seulement de cette circonférence.The invention has been represented with hanging cords 411 and 412 extending over the entire internal circumference of ring 41. However, these cords could be interrupted or extend over only part of this circumference.

Claims (10)

  1. Closure device for a container (1) provided with a neck (2), the said device comprising a pourer (3), suitable for fitting on the said neck, and an assembly (4) forming a cover suitable for fitting on the said neck and comprising a cap (43) that is able to move between a first position where it isolates the said neck and the said pourer from the outside and a second position where it allows access to the said neck and the said pourer, the said assembly forming a cover comprising at least one locking rim extending radially inwards from a ring (41), characterised in that the said assembly forming a cover comprises two locking rims (411, 412) extending radially inwards from the said ring (41), a first rim (411) being suitable for engaging with an external flange (26) of the said neck, while a second rim (412) is suitable for engaging with an external flange (36) of the said pourer, the said first and second rims defining between them a volume (V) for accommodating the said flanges.
  2. Device according to Claim 1, characterised in that the said locking rims (411, 412) are suitable for exerting a force (F5) on the said flanges (26, 36) opposing the relative separation of these.
  3. Device according to one of the preceding claims, characterised in that the said first rim (411) forms a surface (411a) that is inclined with respect to a central axis (X4-X'4) of the said device, the said surface being flared in the direction of the body (11) of the said container (1).
  4. Device according to one of the preceding claims, characterised in that the said first and second rims each form a surface (411b, 412b) that on the whole is perpendicular to a central axis (X4-X'4) of the said device.
  5. Device according to Claim 4, characterised in that the said surfaces (411b, 412b) that on the whole are perpendicular to the said central axis (X4-X'4) face one another and the said accommodating volume (V) is defined between them.
  6. Device according to one of the preceding claims, characterised in that the said flange (36) of the said pourer (3) extends radially outwards from an edge (34) of a skirt (33) formed by the said pourer and suitable for covering the said neck (2).
  7. Device according to Claim 6, characterised in that the said skirt (33) forms an inclined surface (34a) with respect to a central axis (X3-X'3) of the device, the said surface being suitable for coming to bear with surface contact on an external inclined surface (24a) of the said neck (2).
  8. Device according to one of the preceding claims, characterised in that the said ring (41) is extended, opposite the said cap (43), by a skirt (45) suitable for coming to bear on the external surface of a part (28) of the said container (1).
  9. Device according to one of the preceding claims, characterised in that the said pourer (3) is arranged at least partially inside the said neck (2) and in that the said cap (43) is provided with a skirt (433) extending, in the said first position and from an internal surface (432) of the said cap, as far as the level of a rim (22) of the said neck, the skirt being suitable for exerting, in the said first position and against an internal radial surface (31a) of the pourer, a force (F6) tending to thrust the said pourer against the said edge.
  10. Container for liquid (1), in particular bottle made of plastic material, equipped with a closure device (2 - 4) according to one of the preceding claims.
EP01904054A 2000-02-09 2001-02-05 Closure device for container Expired - Lifetime EP1254058B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0001610A FR2804661B1 (en) 2000-02-09 2000-02-09 DEVICE FOR SEALING A CONTAINER AND CONTAINER PROVIDED WITH SUCH A DEVICE
FR0001610 2000-02-09
PCT/FR2001/000339 WO2001058774A1 (en) 2000-02-09 2001-02-05 Closure device for container

Publications (2)

Publication Number Publication Date
EP1254058A1 EP1254058A1 (en) 2002-11-06
EP1254058B1 true EP1254058B1 (en) 2004-09-22

Family

ID=8846812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01904054A Expired - Lifetime EP1254058B1 (en) 2000-02-09 2001-02-05 Closure device for container

Country Status (8)

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US (1) US6776314B2 (en)
EP (1) EP1254058B1 (en)
AT (1) ATE276930T1 (en)
AU (1) AU2001231978A1 (en)
DE (1) DE60105762T2 (en)
ES (1) ES2227122T3 (en)
FR (1) FR2804661B1 (en)
WO (1) WO2001058774A1 (en)

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GB2399814B (en) * 2003-03-26 2007-05-09 Portola Packaging Ltd Closures and containers in combination therewith
ZA200509843B (en) * 2003-05-27 2007-05-30 Portola Packaging Inc Method of joining separable components and container closure system formed by the same
US20100140268A1 (en) * 2003-05-27 2010-06-10 Portola Packaging, Inc. Dispensing closure with removable membrane
FR2888566B1 (en) * 2005-07-12 2010-09-17 Bericap CAP WITH MEDIUM SERVER
WO2008080053A1 (en) * 2006-12-22 2008-07-03 Portola Packaging, Inc. Internal container bore mount fitment
ES1064661Y (en) * 2007-01-23 2007-07-01 Betapack Sa SIMPLIFIED PLUG FOR OIL BOTTLES
ES1064802Y (en) * 2007-01-30 2007-08-01 Betapack Sa PLUG FOR EDIBLE OIL CONTAINER BOTTLES AND OTHER FOOD LIQUIDS
DE102009000555A1 (en) * 2009-02-02 2010-08-05 Bericap Gmbh & Co. Kg Plastic closure for edible oil bottles
US20140263149A1 (en) * 2013-03-14 2014-09-18 Portola Packaging, Inc. Container With Coupling Features
CN206118677U (en) * 2016-08-27 2017-04-26 林天文 Foldable watering can
MX2019011236A (en) 2017-03-23 2019-11-01 Aptar Freyung Gmbh Dispensing closure for a fluid container.
MX2022011385A (en) * 2020-04-09 2022-10-10 Tetra Laval Holdings & Finance Lid assembly for a container, container having a lid assembly and method of coupling a lid assembly to a spout.
US12065295B2 (en) 2021-08-19 2024-08-20 Closure Systems International Inc. One-piece closure
USD981234S1 (en) 2021-09-15 2023-03-21 Closure Systems International Inc. Closure
USD1012705S1 (en) 2021-09-20 2024-01-30 Closure Systems International Inc. Closure
USD998464S1 (en) 2021-10-29 2023-09-12 Closure Systems International Inc. Closure
USD998463S1 (en) 2021-10-29 2023-09-12 Closure Systems International Inc. Closure
US11970319B2 (en) 2022-05-10 2024-04-30 Closure Systems International Inc. Anti-rotational and removal closure
US11945625B2 (en) 2022-06-24 2024-04-02 Closure Systems International Inc. Package with closure
USD1045606S1 (en) 2022-11-18 2024-10-08 Closure Systems International Inc. Hinged overcap
US11801977B1 (en) 2022-12-02 2023-10-31 Closure Systems International Inc. Package with one-piece closure

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Also Published As

Publication number Publication date
US20030150191A1 (en) 2003-08-14
DE60105762T2 (en) 2005-10-13
FR2804661A1 (en) 2001-08-10
ATE276930T1 (en) 2004-10-15
FR2804661B1 (en) 2002-04-05
US6776314B2 (en) 2004-08-17
DE60105762D1 (en) 2004-10-28
WO2001058774A1 (en) 2001-08-16
EP1254058A1 (en) 2002-11-06
ES2227122T3 (en) 2005-04-01
AU2001231978A1 (en) 2001-08-20

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