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WO2008148230A1 - Dispositif de fermeture à tubulure de rallonge - Google Patents

Dispositif de fermeture à tubulure de rallonge Download PDF

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Publication number
WO2008148230A1
WO2008148230A1 PCT/CH2008/000196 CH2008000196W WO2008148230A1 WO 2008148230 A1 WO2008148230 A1 WO 2008148230A1 CH 2008000196 W CH2008000196 W CH 2008000196W WO 2008148230 A1 WO2008148230 A1 WO 2008148230A1
Authority
WO
WIPO (PCT)
Prior art keywords
closing device
extension piece
rotary cap
self
extension
Prior art date
Application number
PCT/CH2008/000196
Other languages
German (de)
English (en)
Inventor
Fritz Dill
Original Assignee
Terxo Ag
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 Terxo Ag filed Critical Terxo Ag
Publication of WO2008148230A1 publication Critical patent/WO2008148230A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening

Definitions

  • the sealing device is suitable for containers containing a flowable product, preferably a beverage, in particular for composite packages of film-coated cardboard or packaging made of a film material, in particular polyethylene film (PE film). Foil).
  • a flowable product preferably a beverage
  • a film material in particular polyethylene film (PE film). Foil
  • a closing device which comprises a pour spout, which is sealingly mounted on a composite pack and can be closed with a rotating cap.
  • a self-opening sleeve is arranged, which is displaceable by the rotary cap in rotation and having at its lower edge at least one combined piercing and cutting element.
  • a closure device made of plastic thus comprises a base part for attachment to a container, wherein the base part has a pouring spout defining a pour spout for pouring a product out of the container.
  • a rotary cap closes the pouring opening outwards and is guided on the base part in such a way that it can be removed from the base part by a coupled movement from a rotational movement and an (axial) translatory movement.
  • An extension socket which may also be referred to as a telescopic socket or telescopic sleeve, is movable from a retracted position to an extended position. In the extended position of the extension nozzle extends the pour spout in a direction away from the container direction.
  • the extension clip When the rotating cap closes the pouring opening, the extension clip in the retracted position.
  • the rotary cap and the extension piece cooperate in such a way that the extension piece is removed when removing the rotary cap from this and moved to the extended position.
  • the extension piece is arranged on the radial outer side of the Ausgiessstutzens.
  • the extension tube allows easy drinking directly from the pack in the extended position.
  • the extension piece is arranged on the outside of the Ausgiessstutzens, so surrounds this at least partially. This creates space to provide additional elements, such as e.g. a self-opening sleeve.
  • an externally mounted extension piece also has advantages independent of such other elements advantages. For example, an externally attached extension piece reduces e.g. not in a disturbing way the cross-section of the pouring opening.
  • cooperating guide structures may be formed on the base part and on the extension piece, preferably on an outer jacket surface of the pouring spout and on an inner jacket surface of the extension piece.
  • these are designed so that the extension piece executes a coupled movement in a movement from the retracted position to the extended position relative to the base part, which comprises a rotational movement and an (axial) translational movement.
  • the rotational movement of the rotary cap is transferred to the extension piece.
  • the guide structures can in particular define a screw connection.
  • the pouring spout preferably has a first external thread and the extension spigot has an internal thread cooperating therewith.
  • the first external thread is preferably more common, in particular sauté linen, but can also be designed catchy.
  • the guide structures may also define another type of connection between the extension fitting and the base member.
  • a bayonet connection is understood as meaning a connection in which a pin-like element of the extension piece or of the base part is guided in a corresponding groove in the respective other part.
  • Other types of guiding structures are possible, e.g. cooperating, in particular obliquely or angularly extending ribs on the extension piece and on the base part, which form mutual abutment surfaces for the guidance of the extension piece on the base part.
  • a large number of suitable guide structures are known from the prior art.
  • guide structures can be used, as used in the prior art for the guidance of self-opening sleeves in a pour spout.
  • the rotary cap is also guided via suitable (second) guide structures on the base part. These are preferably formed on the outer circumferential surface of the Ausgiessstutzens and on the inner circumferential surface of the rotary cap. On Ausgiessstutzen these structures are preferably arranged in a nesse administratren area than the first guide structures, ie, the rotary cap is guided in a region on the Ausgiessstutzen, which is arranged between the extension piece and the container. The jacket wall of the rotary cap is therefore longer in the axial direction than the extension sleeve.
  • the second guide structures are in turn preferably formed as a (second) external thread on Ausgiessstutzen and as a cooperating internal thread on the rotary cap.
  • the internal thread of the rotary cap is then preferably formed only in a lower edge region of the jacket wall of the rotary cap.
  • these guide structures may in turn define a bayonet connection or other type of connection.
  • the inner diameter of the rotary cap preferably exceeds the outer diameter of the extension piece everywhere.
  • the second external thread which serves to guide the rotary cap, preferably has a larger outer diameter than the first external thread, and in particular a larger outer diameter than the extension piece, on. The same applies if other management structures exist instead of external threads.
  • the slopes of the first and second external thread can be designed according to the specific needs.
  • the first external thread has a (slightly) larger pitch than the second external thread.
  • Under the thread pitch is understood to mean the distance traveled axial path per full revolution in the circumferential direction. It can thereby be achieved that, after unscrewing the rotary cap, the pouring spout projects axially over as large a region as possible.
  • the pitches of the two threads are then chosen so that the extension piece is not blocked by the rotating cap itself when unscrewing the rotary cap.
  • a stop surface is preferably formed on the extension piece, with which the extension piece in the retracted position in the circumferential direction abuts against a corresponding counter-stop on the base part, whereby a further movement of the extension piece in the direction of the container is prevented.
  • a stop is referred to below as a tangential stop.
  • the relative end of the second external thread which serves to guide the rotary cap, simultaneously forms the counter stop for the stop surface of the extension neck.
  • the stop surface of the extension piece is preferably formed in a lower edge region of this nozzle itself, in particular on its lower end face.
  • At least one carrier element is preferably formed on the extension piece, which cooperates with the removal of the rotary cap with at least one corresponding driver of the rotary cap, so as to forces, in particular a torque, between the rotary cap and the extension piece transferred when the rotary cap is removed from the base part.
  • the driver and the entrainment element preferably form a positive connection in the tangential direction (i.e., circumferential direction).
  • the entrainment element is formed on an upper end side of the extension piece.
  • the driving element is formed on an outer circumferential surface of the extension piece.
  • the entrainment element comprises a substantially axially extending first web. This has correspondingly two substantially axially extending outer edges. Preferably, at least one of these outer edges is chamfered to allow the rotary cap with its driver can easily slide over the web, once it is released from the base part.
  • the entrainment element may comprise a second web which extends substantially in the circumferential direction of the lateral surface of the extension neck.
  • This second web is preferably arranged in the vicinity of the relative edge of the extension neck and extends over a peripheral region of at least approximately 45 °.
  • the second land is connected to the first land and forms preferably a substantially T-shaped structure, wherein the first web forms the vertical bar and the second web forms the crossbar of the T.
  • the first web is not centrally located to the second web, but the second web protrudes in the direction in which the extension piece is rotated when unscrewing the rotary cap less far beyond the first web than in the opposite direction.
  • the second web terminates with its lying in the direction of rotation of the extension piece end at the first web, so that a structure in the form of an inverted letter L results.
  • the second bridge assists the driver of the rotary cap to actually move the extension tube to its extended position by also permitting the application of axial forces, in addition to the transmission of a torque, and to guide the driver to a suitable position. when the rotary cap is to be screwed on again.
  • a running seal is preferably present between these two parts.
  • This is preferably formed by a peripheral sealing edge on the outer circumference of the Ausgiessstutzens, which is arranged in the region of the bezügfernem end and cooperating with a substantially smooth inner circumferential surface area of the extension piece.
  • substantially smooth is to be understood that the surface is sufficiently smooth and cylindrical that a sealing effect is ensured.
  • this running seal causes that when placing the rotary cap immediately a seal of the container to the outside, as well as the rotary cap immediately after placement on the extension piece relative to this produces a seal, for example by a sealing lip on the rotary cap in engagement with the upper End of the extension piece comes.
  • this sealing effect only occurs when the rotating cap is screwed firmly onto the pouring spout.
  • at least one retention groove or groove which extends along the circumferential direction and is preferably completely circumferential, can be arranged in a relative outer wall region of the extension connection.
  • a circumferential, conically widening surface which ends in an acute-angled drip edge on the outer edge of the extension neck, then preferably adjoins this retaining groove at the end of the extension neck towards the end. In this way it is effectively prevented that individual drops run down on the outside of the extension piece and pollute the threaded connection between the pour spout and the extension piece.
  • the closing device preferably comprises a self-opening sleeve, which can be moved at least towards the container in order to open the container.
  • the rotary cap and the self-opening sleeve cooperate in such a way that the self-opening sleeve is moved during the first removal of the rotary cap from the latter to the container in order to open it.
  • Such self-opening sleeves are known in the art in a wide variety of configurations, and the present invention is not limited to any particular type of self-opening sleeve.
  • Examples of self-opening sleeves are disclosed in the following references and a large number of further documents: WO 02/28728, WO 03/002419, WO 2004/083055, WO 2004/000667, WO 2006/050624, WO 95/25042, WO 03/101843 EP 1 088 764, EP 1 088 765, EP 1 396 435, US 5,960,992, and US 5,147,070.
  • cooperating (third) guide structures are formed on an inner lateral surface of the pouring spout and on an outer lateral surface of the self-opening sleeve, through which the self-opening sleeve is guided on the base part.
  • the self-opening sleeve is movable in a coupled movement, which comprises an (axial) translational movement towards the container and a rotational movement.
  • the self-opening sleeve can be moved along a screw path or along another path, which may also be unsteady.
  • the pouring spout preferably has an internal thread and the self-opening sleeve has an external thread cooperating therewith.
  • the rotary cap preferably comprises at least one driver which projects into the self-opening sleeve and which cooperates with at least one carrier element of the self-opening sleeve.
  • the driver preferably extends into the interior of the self-opening sleeve, and the carrier element is preferably formed on an inner circumferential surface of the self-opening sleeve.
  • a driver cooperating with a corresponding structure on the relative end face of the self-opening sleeve are known from the prior art in a variety of configurations.
  • the self-opening sleeve has for puncturing and / or cutting a container wall or a protective film in the container preferably at least one projecting towards the container cutting and / or piercing element.
  • cutting and / or piercing elements are known from the prior art, a large number of different configurations. For example, embodiments have been proposed in which a single cutting tooth is present, which first pierces the container wall and then cuts open.
  • a plurality of cutting and / or piercing elements distributed over the circumference of the self-opening sleeve are preferably present in order to distribute the resulting forces uniformly.
  • the cutting and / or piercing elements preferably form the lower edge of the self-opening sleeve.
  • the cutting and / or piercing elements for cardboard composite packaging predominantly oppressive, while they act predominantly cutting for film packaging.
  • the cutting and / or piercing elements are preferably formed as viewed in the direction of rotation relatively long teeth with a front cutting edge and a longer and flatter rear edge.
  • FIG. 1 is a perspective view of a closing device obliquely from below in a state before its first use;
  • FIG. 2 shows a longitudinal section through the closing device of FIG. 1 in a sectional plane containing the central center axis of the device;
  • FIG. Figure 3 is a side view of the self-opener closure, with no rotating cap and with the self-opening sleeve extended, but with the extension tube withdrawn (this position is illustrative only and will not normally be used during operation);
  • FIG. 4 shows a central longitudinal section through the closing device in the state of FIG. 3;
  • Fig. 5 is a side view of the closing device with extended
  • FIG. 5; 7 is a perspective view of the closing device in FIG.
  • FIG. 8 is a perspective view of a rotating cap.
  • FIGS. 1 to 8 A preferred embodiment of a closing device according to the invention is shown in FIGS. 1 to 8.
  • a closure device is also often referred to as a self-opener closure.
  • Such closures are applied to containers with flowable content, preferably on beverage packages of a composite material, which is formed by a laminate of cardboard and at least one inside-mounted film.
  • a container wall is automatically pierced and / or cut open by the self-opening closure.
  • the package may optionally already have a predefined, but still hermetically sealed opening in the region of the self-opener closure.
  • such a closure can also be used for other types of containers, e.g. for plastic containers which are closed by a foil material in the region of a pouring opening.
  • the device has a rotary cap 1, a base part 2, a self-opening sleeve 3 and an extension stub 4. Furthermore, a guarantee strip 5 is present, which is preferably produced in one piece with the rotary cap 1.
  • the device is made by injection molding of plastic, wherein the individual parts can be made of the same or different plastics.
  • the base part 2, the self-opening sleeve 3 and the extension piece 4 are preferably produced in one piece in the same injection mold, wherein they are initially connected to one another via thin material bridges acting as predetermined breaking points. Subsequently, these parts pressed under the axial force in the position of Fig. 2, wherein the material bridges break.
  • One of the advantages of this method of production is that the three parts are correctly centered and oriented from the beginning. However, a separate production of all three parts or a one-piece production of only two of these parts is possible.
  • the base part 2 comprises a sleeve-shaped or tubular Ausgiessstutzen 20 of substantially circular cylindrical basic shape, which limits an axially continuous pouring opening.
  • a circumferential, radially outwardly projecting mounting flange 26 is formed. This flange 26 is welded to the container or otherwise sealed to it, so that the spout comes to rest over the intended opening of the container.
  • the pouring spout 20 has a first (upper) external thread 21 and a second (lower) external thread 23.
  • the upper external thread 21 closes in the upward direction, ie toward the side towards the lower, to the lower external thread 23. It has a smaller outer diameter than the lower external thread 23.
  • the lower external thread 23 is designed to be catchy. Both threads are designed as flat threads.
  • the lower external thread extends in the present embodiment over an angular range of 360 ° (ie over a full revolution), as can be seen in particular from FIG.
  • the upper external thread extends over a somewhat larger angular range.
  • the slope of the upper external thread is slightly larger than that of the lower external thread, as shown in particular in FIG. 5 can be seen.
  • a circumferential sealing edge 27 is formed along the circumference of the pouring spout, which has a slightly larger outer diameter than the upper external thread 21 and is sufficiently elastically deformable by its outwardly tapered shape in order to provide an inner circumferential surface - rich of the extension socket described below to form a running seal.
  • the extension piece 4 is, as the pouring spout 20, sleeve-shaped or tubular with a substantially circular cylindrical basic shape. It can also be called a telescopic ring or telescopic sleeve.
  • an internal thread 40 is formed in the interior of its cylindrical jacket wall 42, which cooperates with the upper external thread 21 of the pouring spout.
  • This threaded engagement allows a screwing movement, ie a coupled axial translational movement and rotational movement, between the retracted position shown in FIGS. 2 to 4 and the extended position shown in FIGS. 5 to 7.
  • the inner lateral surface area 46 adjoining the inner thread 40 at the top is smooth.
  • This area interacts with the sealing edge 27 on the pouring spout 20 in such a way that pouring spouts and extension spouts are sealed against each other in the manner of a running seal.
  • a circumferential groove or groove 41 is formed, to which a region which tapers conically towards the upper outer edge of the extension piece 4, which terminates in a circumferential acute-angled drip edge. This embodiment prevents liquid drops, which optionally form when pouring a liquid from the extension pipe, run down this and pollute the external thread 21.
  • a driving element 43, 44 is formed, which is particularly well recognizable in Figures 5 and 7.
  • This entrainment element consists of two ribs or webs 43 and 44 projecting out of the lateral surface and orthogonal to one another, which together form a substantially T-shaped structure.
  • the first web 43 extends axially. Its two axially extending outer edges are chamfered, ie the axially extending Side surfaces of the web are inclined relative to the radial direction such that the web tapers radially outward.
  • the circumferentially extending second land 44 is disposed asymmetrically with respect to the first land 43, with that portion of the second land 44 which extends in the direction of rotation in which the extension pipe rotates as it moves to the extended position being shorter than that portion of the second land 44 opposite direction.
  • the function of the two webs 43 and 44 will be explained in more detail below.
  • a step is formed, which defines a tangential stop surface 45.
  • this abutment surface 45 in the retracted starting position of the extension piece 4, abuts tangentially against the relative end of the lower external thread 23 of the pouring spout. In this way it is prevented that the extension piece can be moved beyond the position shown in FIG. 3 in the direction of the container. At the same time prevented by this acting in the circumferential direction stop that the extension piece is clamped in the retracted position relative to the base part and thereby the device is impaired in their function.
  • the rotary cap 1 shown alone in FIG. 8 has a peripheral, substantially cylindrical casing wall 11 and a substantially flat top wall 10.
  • an internal thread 12 is formed in a region close to the container, which cooperates with the lower external thread 23 of the pouring spout 20.
  • the inner diameter of the rotary cap 1 is continuously larger in this area than the largest outer diameter of the extension piece 4, which allows the rotary cap 1 can be removed after unscrewing over the extension piece 4 away.
  • a driver 15 is formed, which in axial direction extends from the top wall 10 down towards the container. When mounted rotary cap 1, this driver extends into the interior of the self-opening sleeve 3 inside.
  • a positioning element 14 is arranged in the circumferential direction spaced from the driver 15.
  • a further driver 13 for the extension piece 4 is also arranged above the internal thread 12, which projects radially inwardly at its lower end (ie has an undercut) and whose function will be described below.
  • One of the top wall 10 axially facing the container, cylindrical sealing lip 16 acts on the inside of Ausgiessstutzens 2 in the region of the upper end so tightly together that when screwed cap 1 no liquid from the interior of Ausgiessstutzens 2 can escape.
  • the rotary cap 1 is integrally connected at its lower end via a plurality of thin material bridges 51, which act as predetermined breaking points, with the guarantee strip 5.
  • the self-opening sleeve 3 is arranged inside the Ausgiessstutzens 20, the self-opening sleeve 3 is arranged. On its outer lateral surface an external thread 33 is formed, which cooperates with a corresponding internal thread 25 of the Ausgiessstutzens 20. These threads are double-threaded, but can also be designed to be catchy or multi-threaded.
  • the self-opening sleeve 3 has a plurality of teeth 31a, 31b, 31c and 31d (here four teeth) followed by a single hold-down element 32.
  • the teeth are all the same size and shaped here.
  • the hold-down element 32 is also approximately the same length with respect to the circumferential direction, but has a substantially horizontally extending, blunt lower edge.
  • the portion of the hold-down element 32 to the first tooth in the direction of rotation is greater than the distance between the teeth.
  • the teeth act as cutting and / or piercing elements for the container wall.
  • the teeth act mainly by pushing through the cardboard through or pierced, while the teeth in a film such as a PE film in act first cutting.
  • the lower longitudinal edge of the teeth 31a to 31d is tapered towards the container and has a sharp cutting edge 30a, 30b, 30c and 30d respectively in that region which lies in the forward direction when the rotary cap 1 is unscrewed.
  • the region of the lower edge sloping downwards with respect to the direction of rotation is longer and, compared with the horizontal (ie the normal to the longitudinal direction of the closure), flatter than the respective cutting edge.
  • the self-opening sleeve can also be designed differently, it is advantageous in this embodiment that the closing device can be used both for cardboard packaging and for PE packaging.
  • the device need not necessarily be located exactly above a perforation of the carton since the teeth are relatively long in direction of rotation and thereby exert sufficient pressure even at a certain distance from the perforation to release a predefined carton section from the carton.
  • this form of teeth allows a relatively steep thread to be inserted between the base member and the self-opening sleeve so that rotation of less than 360 degrees is sufficient to open the closure.
  • a substantially vertically extending, web-shaped driving element 35 is formed on the inner circumferential surface, which extends radially into the interior of the self-opening sleeve 3 and forms a stop edge for the driver 15 of the rotary cap 1 in the tangential direction.
  • Fig. 2 the closing device is shown in its initial position prior to initial use.
  • the self-opening sleeve 3 is in its upper, retracted starting position, wherein it does not protrude to the container out of the base part, but is completely absorbed by this.
  • the extension piece 4 is in its lower starting position.
  • the rotary cap 1 was at the first installation of the closing device together with the guarantee strip 5 under axial force the arrangement of the base part 2 and extension piece 4 is inverted and is now in its fully screwed position with the lower external thread 23 of the Ausgiessstutzens 20 in engagement. In this condition, the closure is mounted on the container.
  • the rotary cap is unscrewed in the counterclockwise direction.
  • the guarantee strip 5 is held back axially by a retaining flange 22, so that when unscrewing, the material bridges 51 formed as predetermined breaking points break.
  • the guarantee strip can be demolished by the user even before the first opening with a tab formed thereon.
  • the driver 15 strikes when unscrewing the rotary cap 1 to the driving element 35 of the self-opening sleeve 3 and forms with this acting in the circumferential direction positive engagement, whereby a torque is transmitted from the rotary cap 1 on the self-opening sleeve 3.
  • the self-opening sleeve 3 is likewise set in rotation about the longitudinal axis of the closure.
  • the self-opening sleeve 3 Since the internal thread 25 of the Ausgiessstutzens 20 is formed in opposite directions to the lower external thread 23, performs the self-opening sleeve 3 when unscrewing the rotary cap 1 a screw downward movement, to the container until the driver 15 and the driving element 35 disengage. During this downward screw movement, the self-opening sleeve 3 pierces and / or cuts the container wall. Preferably, a part-circular portion of the container wall is cut out, which is not completely separated from the remaining container wall, but remains attached to it over a small area. This portion is held in the extended position of the self-opening sleeve 3 by the hold-down member 32 in a folded-down position.
  • the second driver 13 is in a form-locking engagement with the axial web 43 of the extension piece 4.
  • This also causes a torque on the extension piece transfer.
  • the extension piece 4 therefore performs when unscrewing the rotary cap 1 by its screw with the upper external thread 21 on the outer shell wall of Ausgiessstutzens 20 a screw movement upwards, ie away from the container.
  • the driver 13 is still in engagement with the axial web 43 and extending in the circumferential direction web 44.
  • the entire closure device has very compact dimensions, while making it easier for a user in the extended position to drink directly from the container or selectively pour liquid from the container without spilling it.
  • the extended position of the extension piece 4 extends the spout about one third of its length.
  • the driver for the extension piece 4 and the corresponding entrainment element can be configured on this also in other ways than described here.
  • the circumferentially extending (tangential) web 44 also omitted in a simplified embodiment.
  • the driver and the entrainment element at other locations and / or in another way in the rotary cap or on the extension stub 4. So it is e.g. conceivable that the extension piece in the retracted position, the Ausgiessstutzen slightly surmounted and in this area on its inner side a driving element is formed, which cooperates with a down from the top wall 10 of the rotary cap 1 into the interior of the extension piece driver.
  • a single driver is present, which cooperates with a single carrier element, it is also possible to provide a plurality of drivers and / or entrainment elements.
  • the self-opening sleeve are a variety of Variants possible.
  • more than one driver and / or more than one entrainment element may be present, and these may be formed in a different manner than shown here.
  • the design of the cutting and / or piercing elements on the underside of the self-opening sleeve can also take place according to a large number of variations.
  • a large number of suitable self-opening sleeves and cooperating carrier structures are known from the prior art.

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

Abstract

L'invention concerne un dispositif de fermeture pour un récipient, dispositif comprenant un élément de base (2) comportant un bec verseur (20). Une tubulure de rallonge extensible (4) est montée mobile sur l'élément de base et permet de boire directement au récipient. Cette tubulure de rallonge est disposée sur la partie extérieure du bec verseur (20), de manière à ménager un espace à l'intérieur pour un tube à ouverture automatique optionnel (3). Une coiffe tournante (1) obture le bec verseur (20) vers l'extérieur. Lorsque la coiffe (1) est dévissée, celle-ci entraîne la tubulure de rallonge (4) et amène cette dernière en position d'extension.
PCT/CH2008/000196 2007-06-08 2008-04-29 Dispositif de fermeture à tubulure de rallonge WO2008148230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9122007 2007-06-08
CH912/07 2007-06-08

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WO2008148230A1 true WO2008148230A1 (fr) 2008-12-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012146425A1 (fr) * 2011-04-29 2012-11-01 Robert Bosch Gmbh Dent coupante d'un dispositif de coupe rotatif d'une fermeture d'emballage
WO2023099091A1 (fr) * 2021-11-30 2023-06-08 Bericap Holding Gmbh Dispositif de fermeture comprenant un moyen de coupe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028728A1 (fr) * 2000-10-03 2002-04-11 Terxo Ag Dispositif de fermeture en plastique dote d'un perforateur
EP1262412A1 (fr) * 2001-05-29 2002-12-04 Tetra Laval Holdings & Finance S.A. Ouverture refermable destinée aux emballages de produits alimentaires pouvant être versés
WO2007051328A1 (fr) * 2005-11-07 2007-05-10 Deltona Innovations Ag Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028728A1 (fr) * 2000-10-03 2002-04-11 Terxo Ag Dispositif de fermeture en plastique dote d'un perforateur
EP1262412A1 (fr) * 2001-05-29 2002-12-04 Tetra Laval Holdings & Finance S.A. Ouverture refermable destinée aux emballages de produits alimentaires pouvant être versés
WO2007051328A1 (fr) * 2005-11-07 2007-05-10 Deltona Innovations Ag Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012146425A1 (fr) * 2011-04-29 2012-11-01 Robert Bosch Gmbh Dent coupante d'un dispositif de coupe rotatif d'une fermeture d'emballage
CN103492277A (zh) * 2011-04-29 2014-01-01 罗伯特·博世有限公司 包装闭锁装置的旋转切割装置的切割齿
US10392157B2 (en) 2011-04-29 2019-08-27 Robert Bosch Gmbh Cutting tooth of a rotatable cutting device of a packaging closure
WO2023099091A1 (fr) * 2021-11-30 2023-06-08 Bericap Holding Gmbh Dispositif de fermeture comprenant un moyen de coupe

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