PatentDe  


Dokumentenidentifikation EP1339617 29.06.2006
EP-Veröffentlichungsnummer 0001339617
Titel SPENDERVERSCHLUSS FÜR EINEN BEHÄLTER
Anmelder CROWN Packaging Technology, Inc, Alsip, Ill., US
Erfinder HAGLUND, Maria, Sylvia, Oxford, Oxfordshire OX2 9JZ, GB;
RAMSEY, Paul, Christopher, Wantage, Oxfordshire OX12 8DP, GB
Vertreter Sobisch & Callies, 37581 Bad Gandersheim
DE-Aktenzeichen 60119971
Vertragsstaaten AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, TR
Sprache des Dokument EN
EP-Anmeldetag 14.09.2001
EP-Aktenzeichen 019877232
WO-Anmeldetag 14.09.2001
PCT-Aktenzeichen PCT/EP01/10658
WO-Veröffentlichungsnummer 0002032776
WO-Veröffentlichungsdatum 25.04.2002
EP-Offenlegungsdatum 03.09.2003
EP date of grant 24.05.2006
Veröffentlichungstag im Patentblatt 29.06.2006
IPC-Hauptklasse B65D 47/26(2006.01)A, F, I, 20051017, B, H, EP
IPC-Nebenklasse B65D 47/30(2006.01)A, L, I, 20051017, B, H, EP   

Beschreibung[en]

The invention relates to a dispensing closure for a container and in particular to a dispensing closure which includes a closure cap and a dispensing spout which can slide on the cap from a closed position to an open position.

In known closures of this type, the spout slides along a linear path or rotates about a pivot along a circular path. Both US 6,053,374 and WO 95/11172, upon which the preamble of claim 1 is based, describe a closure cap having a dispensing element which rotates about a fixed point. However, this centre of rotation is located within the closure. This arrangement has the disadvantage that the end of the spout may not be moved very far from the closure thus making dispensing difficult.

The invention provides an improved closure in which the end of the spout may be moved further away from the closure.

In one aspect, the invention provides a closure cap for a container, having a dispensing spout formed with a dispensing passage having an inlet opening at one end and an outlet opening at the other end, the spout being mounted on the closure cap for limited sliding movement along a part circular path between a closed position in which the dispensing passage is isolated from the interior of the container and an open position in which the dispensing passage is in communication with the interior of the container, the closure cap having an outer cylindrical skirt, wherein the centre of rotation of the spout is above and outside the closure cap so that the sliding movement of the spout across the at least part circular path moves the outlet opening radially outwardly and upwardly to a dispensing position where it stands radially outside of the outer cylindrical skirt of the closure cap.

The present invention and its advantages will be better understood by referring, by way of example, to the following detailed description and the attached Figures, in which;

  • Fig.1 is a perspective view of a squeezable container;
  • Fig.2 is a perspective view of a squeezable container fitted with a closure cap;
  • Fig.3 is an enlarged vertical cross-section through a closure cap taken on the line III-III of Fig.2 with the spout of the closure cap in the closed position;
  • Fig.4 is a view similar to Fig.3 with the spout in the open position;
  • Fig.5 is a vertical section through a modified closure cap taken on the line III-III in Fig.2;
  • Fig.6 is a vertical cross-section through the modified closure cap taken on the line V-V in Fig.2;
  • Fig.7 is a vertical section through the modified closure cap of Fig.5 taken on the line III-III of Fig.2 with the spout detached therefrom;
  • Fig.8 is a vertical cross-section through a spout taken on the line III-III of Fig.2; and
  • Fig.9 is a perspective view of a spout from underneath.

The drawings show two slight variations of a closure cap. In the first, the cap is adapted to fit onto the neck of a container having a screw thread whereas the second modified cap is adapted to be a snap fit onto the neck of a container.

Fig.1 shows a squeezable container 1 of the type formed by a tube which is flattened at one end and formed with a shoulder 2 at the other end and a neck 3 with an open end 4. As shown, the neck is formed with a screw thread 6 although the neck may alternatively be formed to receive a closure cap in a snap fit. Fig.2 shows the container when fitted with a closure cap 7 having a sliding spout 8.

The closure cap is shown in more detail in Figs. 3 and 4 and includes an end wall 9 adapted to lie over the open end 4 of the container neck and an inner cylindrical skirt 10 depending from the end wall 9 and adapted to surround the neck 3. In this embodiment, the skirt 10 is formed with an internal screw thread 11 which co-operates with the thread 6 on the neck to secure the closure cap 7 to the container 1. The end wall 9 is formed with an aperture 12.

The spout 8 is mounted on the closure cap for limited sliding movement along a part circular path between a closed position shown in Fig.3 and an open position shown in Fig.4.

The spout is formed with a dispensing passage 13 having an inlet opening 14 at one end and an outlet opening 15 at the other end. The dispensing passage is isolated from the interior of the container when the spout is in the closed position of Fig.3 and communicates with the interior of the container through the aperture 12 when the spout is in its open position shown in Fig.4.

The upper surface of the end wall 9 forms part of a curved surface 16 on which the spout slides when moving between its opn and closed positions. The surface 16 is preferably part spherical as shown. The inlet opening 14 of the dispensing passage 13 is surrounded by a first sealing bead 17 which bears on the spherical surface 16 and surrounds the aperture 12 when the spout is in the open position (as shown in Fig. 4). In this position, the outlet opening 15 is exposed so that fluids in the container can be dispensed through the spout 8.

In the closed position of the spout, the first sealing bead bears on the surface 16 to close the inlet opening 14. In this position the outlet opening 15 also lies on the spherical surface and is closed thereby. A second sealing bead 18 surrounds a blind bore 19 formed on the spout. The second sealing bead 18 also bears on the surface 16 and surrounds the aperture 12 to close it off when the spout is in the closed position. This arrangement of the spherical surface 16, the beads 17, 18 and the outlet opening 15 prevent any leakage of fluids when the spout is in the closed position.

The closure cap is also formed with an outer cylindrical skirt 20 which is co-axial with the inner skirt 10 which it surrounds. The cap has a generally planar upper wall 21 which is slightly inclined to the horizontal when the cap is in the upright position shown in the Figures. The spout has an upper wall 22 which lies co-planar with the upper wall 21 of the closure cap when the spout is in the closed position.

Operation of the spout to move it from its closed position to its open position merely requires the user to press on a shoulder 23 formed on the spout at its end opposite the outlet opening 15. This causes the spout to slide across the closure cap along a part circular path defined by the part spherical surface 16. Since the centre of the part circular path is located on the axis of the closure cap, the shoulder 23 moves radially inwardly and downwardly whilst the outlet opening 15 moves radially outwardly and upwardly. Thus the outlet opening moves from a position in which it is closed off by the surface 16 to a dispensing position where it stands clear of the closure cap. One benefit of the curved path of motion of the spout is that it enables the outlet opening 15 to be closed off by the spherical surface in the closed position of the spout. As a result, the outlet opening is kept clean between uses. Another benefit of this motion is that it enables the outlet opening 15 to stand clear of the cap in the open position so that product from the container may be wiped directly onto the user's hand. The flat aspect of the outlet opening also aids this.

The arcuate surface of the cap against which the spout slides is indented towards the container. This configuration allows the spout to lie flat in the closed position and extend away from the container in the open position to allow easy dispensing of product.

A window 25 is formed in the upper wall 22 of the spout 8 and a tamper evidencing deformable element 26 appears in the window before the spout has been first operated (Fig.3). The element 26 is deformed to the position shown in Fig.4 during the first operation of the spout so that it no longer appears in the window. In another embodiment (not shown) a detachable tamper evidencing tab is formed on the back surface of the spout and is broken off when the spout is first actuated.

A modified closure cap is shown in Figs. 5 to 7. This closure cap is fundamentally the same as the cap of Figs. 3 and 4 but is adapted to be a snap fit onto a container neck. The tamper evidencing element is not shown in the modified closure cap.

Fig.5 shows two detents 30, 31 formed on the closure cap which operate to locate the spout positively in its closed and open positions respectively.

As can be seen best from Figs. 6 and 9, the spout is held onto the closure cap by means of hooks 32 formed on depending walls 33 of the spout. The hooks 32 pass through elongate openings 34 in the closure cap. The openings 34 being longer than than the hooks 32 to accommodate the sliding movement of the spout. As can be seen best from Fig.9, the side edges 35 and front edge 36 of the spout lie on a spherical surface which bears on the spherical surface 16. The hooks are snapped into the openings 34 with the spout under a little tension so that the sealing beads are pressed firmly against the spherical surface 16.

In an alternative embodiment (not shown) the part spherical surface 16 is replaced with a part cylindrical surface, the axis of the part cylindrical surface lying perpendicular to the plain of the sectional view of Figs. 3 to 5.

One benefit of the surface 16 being spherical, is that this is reflected in the underside surface of the end wall 9 also being spherical. This leads to a good seal being formed with the open end of the container.

It is preferred that the container cap and spout are made of different materials. In particular polypropylene homo/copolymer is preferred for the container cap and polyethylene for the spout. This combination improves both sealing and ergonomics - the softer spout being more easily gripped to retract during a single-handed operation where the container is picked up, the spout pushed, the container squeezed and the spout retracted using one hand.


Anspruch[de]
Verschlusskappe (7) für einen Behälter (1) mit einer dem Austrag dienenden Ausgusstülle (8), die mit einem Spenderdurchgang (13) versehen ist, der an seinem einen Ende eine Einlassöffnung (14) und an seinem anderen Ende eine Auslassöffnung (15) aufweist, wobei die Ausgusstülle (8) auf der Verschlusskappe (7) mit Hinblick auf eine begrenzte gleitfähige Bewegung entlang eines teils kreisförmigen Pfades zwischen einer Öffnungsposition, in der der Spenderdurchgang (13) gegenüber dem Innenraum des Behälters isoliert ist und einer Öffnungsposition, in welcher der Spenderdurchgang mit dem Innenraum des Behälters in Verbindung steht, angeordnet ist, wobei die Verschlusskappe einen äußeren zylindrischen Rand (20) aufweist, dadurch gekennzeichnet, dass sich der Drehmittelpunkt oberhalb und außerhalb der Verschlusskappe (7) befindet, so dass bei einer gleitenden Bewegung der Ausgusstülle (8) entlang des wenigstens teilweise kreisförmigen Pfades sich die Auslassöffnung (15) radial auswärts und aufwärts bis in eine Austragspösition bewegt; in der sie radial aus dem äußeren zylindrischen Rand (20) der Verschlusskappe herausragt. Verschlusskappe (7) nach Anspruch 1, wobei die Ausgusstülle (8) an ihrem, der Auslassöffnung (15) gegenüberliegenden Ende eine Schulter (23) aufweist und wobei infolge eines einwärts und abwärts gerichteten Drückens auf die Schulter (23) die Ausgusstülle (8) entlang des wenigstens teilweise kreisförmigen Pfades gleitet. Verschlusskappe (7) nach Anspruch 1 oder 2, wobei die Verschlusskappe eine Abschlusswand (9) aufweist, die dazu bestimmt ist, sich über das offene Ende des Behälters zu legen und einen inneren zylindrischen Rand (10), der sich ausgehend von der Abschlusswand nach unten erstreckt und dazu bestimmt ist, die Öffnung des Behälters zu umgeben sowie mit diesem dahingehend zusammenzuwirken, dass die Verschlusskappe auf dem Behälter gesichert ist, wobei die Abschlusswand mit einer Öffnung (12) versehen ist, die mit dem Spenderdurchgang (13) in Verbindung steht, sobald sich die Ausgusstülle (8) in ihrer Öffnungsposition befindet und welche durch die Ausgusstülle verschlossen wird, sobald sich diese in ihrer Schließposition befindet. Verschlusskappe (7) nach Anspruch 3, wobei die obere Oberfläche der Abschlusswand (9) einen Teil einer gekrümmten Oberfläche (16) bildet, auf welcher die Ausgusstülle (8) gleitet, sobald sie sich zwischen ihrer Öffnungs- und ihrer Schließposition bewegt und wobei die Auslassöffnung (15) des Spenderdurchgangs durch die gekrümmte Oberfläche geschlossen ist, sobald sich die Ausgusstülle in der Schließposition befindet. Verschlusskappe (7) für einen Behälter nach Anspruch 4, wobei die Einlassöffnung (14) des Spenderdurchgangs (13) durch eine erste Dichtungssicke (17) umgeben ist, die auf der gekrümmten Oberfläche (16) aufliegt und wobei die Dichtungssicke die Öffnung (12) in der Abschlusswand (9) umgibt, sobald sich die Ausgusstülle (8) in der Öffnungsposition befindet. Verschlusskappe (7) nach Anspruch 5, wobei eine zweite Dichtungssicke (18) eine Sackbohrung (19) umgibt, die auf der Ausgusstülle (8) gebildet ist und wobei die zweite Dichtungssicke die Öffnung (12) in der Abschlusswand (9) umgibt, sobald sich die Ausgusstülle in der Schließposition befindet. Verschlusskappe (7) nach einem der vorangegangenen Ansprüche, wobei der äußere zylindrische Rand (20) sich koaxial zu dem inneren Rand (10) erstreckt und diesen umgibt, wobei die Verschlusskappe eine im Wesentlichen ebene obere Wand (21) aufweist und wobei die Ausgusstülle eine obere Wand (22) aufweist, die sich coplanar mit der oberen Wand (21) der Verschlusskappe erstreckt, sobald sich die Ausgusstülle in der Schließposition befindet. Verschlusskappe (7) für einen Behälter nach Anspruch 7, wobei ein Fenster (25) in der oberen Wand der Ausgusstülle (8) angeordnet ist und wobei ein verformbares, einen Originalitätsnachweis bildendes Element (26) in dem Fenster erscheint, bevor die Ausgusstülle erstmalig benutzt worden ist, welches Element während des ersten Benutzens der Ausgusstülle mit der Maßgabe verformt wird, dass es nicht mehr im Fenster erscheint.
Anspruch[en]
A closure cap (7) for a container (1), having a dispensing spout (8) formed with a dispensing passage (13) having an inlet opening 14 at one end and an outlet opening (15) at the other end,

the spout (8) being mounted on the closure cap for limited sliding movement along a part circular path between a closed position in which the dispensing passage (13) is isolated from the interior of the container and an open position in which the dispensing passage is in communication with the interior of the container, the closure cap having an outer cylindrical skirt (20),

characterised in that the centre of rotation of the spout (8) is above and outside the closure cap (7) so that the sliding movement of the spout (8) across the at least part circular path moves the outlet opening (15) radially outwardly and upwardly to a dispensing position where it stands radially outside of the outer cylindrical skirt (20) of the closure cap.
A closure cap (7) according to claim 1, wherein the spout (8) includes a shoulder (23) on its end opposite the outlet opening(15), and

pressing on the shoulder (23) moves it radially inwardly and downwardly to cause the spout(8) to slide along the at least part circular path.
A closure cap (7) according to claim 1 or claim 2, wherein the closure cap includes an end wall (9) adapted to lie over the open end of the container and an inner cylindrical skirt (10) depending from the end wall and adapted to surround the opening of the container and cooperate therewith to secure the closure cap to the container;

wherein the end wall is formed with an aperture (12) which communicates with the dispensing passage (13) when the spout (8) is in its open position and which is closed off by the spout when the spout is in its closed position.
A closure cap (7) according to claim 3, wherein the upper surface of the end wall (9) forms part of a curved surface (16) on which the spout (8) slides when moving between its open and closed positions and wherein the outlet opening (15) of the dispensing passage is closed by the curved surface when the spout is in the closed position. A closure cap (7) for a container according to claim 4, wherein the inlet opening (14) of the dispensing passage (13) is surrounded by a first sealing bead (17) which bears on the curved surface (16) and wherein the sealing bead surrounds the aperture (12) in the end wall (9) when the spout (8) is in the open position. A closure cap (7) according to claim 5, wherein a second sealing bead (18) surrounds a blind bore (19) formed on the spout (8) and wherein the second sealing bead surrounds the aperture (12) in the end wall (9) when the spout is in the closed position. A closure cap (7) according to any preceding claim, wherein the outer cylindrical skirt (20) is coaxial with and surrounds the inner skirt (10), wherein the closure cap has a generally planar upper wall (21), and wherein the spout (8) has an upper wall (22) which lies co-planar with the upper wall (21) of the closure cap when the spout is in the closed position. A closure cap (7) for a container according to claim 7, wherein a window (25) is formed in the upper wall of the spout (8) and wherein a tamper evidencing deformable element (26) appears in the window before the spout has been first operated and is deformed during the first operation of the spout so that it no longer appears in the window.
Anspruch[fr]
Bouchon de fermeture (7) destiné à un récipient (1), comportant un bec verseur (8) muni d'un passage de distribution (13) comportant une ouverture d'entrée (14) à une première extrémité et une ouverture de sortie (15) à l'autre extrémité,

le bec verseur (8) étant monté sur le bouchon de fermeture afin d'effectuer un mouvement coulissant limité le long d'un trajet en partie circulaire entre une position fermée, dans laquelle le passage de distribution (13) est isolé de l'intérieur du récipient, et une position ouverte dans laquelle le passage de distribution communique avec l'intérieur du récipient, le bouchon de fermeture comportant une jupe cylindrique extérieure (20),

caractérisé en ce que le centre de rotation du bec verseur (8) est au-dessus et à l'extérieur du bouchon de fermeture (7) de sorte que le mouvement coulissant du bec verseur (8) d'un bout à l'autre du trajet au moins en partie circulaire déplace l'ouverture de sortie (15) radialement vers l'extérieur et vers le haut à une position de distribution où elle se tient radialement à l'extérieur de la jupe cylindrique extérieure (20) du bouchon de fermeture.
Bouchon de fermeture (7) selon la revendication 1, dans lequel le bec verseur (8) comprend un épaulement (23) sur son extrémité opposée à l'ouverture de sortie (15), et

le fait d'appuyer sur l'épaulement (23) le déplace radialement vers l'intérieur et vers le bas pour amener le bec verseur (8) à coulisser le long du trajet au moins en partie circulaire.
Bouchon de fermeture (7) selon la revendication 1 ou la revendication 2, dans lequel le bouchon de fermeture comprend une paroi d'extrémité (9) conçue pour recouvrir l'extrémité ouverte du récipient et une jupe cylindrique intérieure (10) suspendue à la paroi d'extrémité et conçue pour entourer l'ouverture du récipient et coopérer avec celle-ci pour fixer le bouchon de fermeture au récipient,

dans lequel la paroi d'extrémité est munie d'une ouverture (12) qui communique avec le passage de distribution (13) lorsque le bec verseur (8) se trouve dans sa position ouverte et lequel est fermé par le bec verseur lorsque le bec verseur se trouve dans sa position fermée.
Bouchon de fermeture (7) selon la revendication 3, dans lequel la surface supérieure de la paroi d'extrémité (9) forme une partie d'une surface incurvée (16) sur laquelle le bec verseur (8) coulisse lorsqu'il se déplace entre ses positions ouverte et fermée et dans lequel l'ouverture de sortie (15) du passage de distribution est fermée par la surface incurvée lorsque le bec verseur se trouve dans la position fermée. Bouchon de fermeture (7) pour un récipient selon la revendication 4, dans lequel l'ouverture d'entrée (14) du passage de distribution (13) est entourée par un premier bourrelet d'étanchéité (17) qui repose sur la surface incurvée (16) et dans lequel le bourrelet d'étanchéité entoure l'ouverture (12) dans la paroi d'extrémité (9) lorsque le bec verseur (8) se trouve dans la position ouverte. Bouchon de fermeture (7) selon la revendication 5, dans lequel un second bourrelet d'étanchéité (18) entoure un trou borgne (19) formé sur le bec verseur (8) et dans lequel le second bourrelet d'étanchéité entoure l'ouverture (12) dans la paroi d'extrémité (9) lorsque le bec verseur se trouve dans la position fermée. Bouchon de fermeture (7) selon l'une quelconque des revendications précédentes, dans lequel la jupe cylindrique extérieure (20) est sur le même axe que la jupe intérieure (10) et entoure celle-ci, dans lequel le bouchon de fermeture a une paroi supérieure globalement plane (21), et dans lequel le bec verseur (8) a une paroi supérieure (22) qui se situe dans le même plan que la paroi supérieure (21) du bouchon de fermeture lorsque le bec verseur se trouve dans la position fermée. Bouchon de fermeture (7) pour un récipient selon la revendication 7, dans lequel une fenêtre (25) est formée dans la paroi supérieure du bec verseur (8) et dans lequel un élément déformable d'inviolabilité (26) apparaît par la fenêtre avant que le bec verseur ne soit actionné une première fois et il est déformé lors de la première utilisation du bec verseur, de telle sorte qu'il n'apparaît plus par la fenêtre.






IPC
A Täglicher Lebensbedarf
B Arbeitsverfahren; Transportieren
C Chemie; Hüttenwesen
D Textilien; Papier
E Bauwesen; Erdbohren; Bergbau
F Maschinenbau; Beleuchtung; Heizung; Waffen; Sprengen
G Physik
H Elektrotechnik

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