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WO2004083056A1 - Fermeture a bec verseur pour emballages composites ou ouvertures de contenants fermees au moyen d'un film d'etancheite - Google Patents

Fermeture a bec verseur pour emballages composites ou ouvertures de contenants fermees au moyen d'un film d'etancheite Download PDF

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Publication number
WO2004083056A1
WO2004083056A1 PCT/CH2004/000165 CH2004000165W WO2004083056A1 WO 2004083056 A1 WO2004083056 A1 WO 2004083056A1 CH 2004000165 W CH2004000165 W CH 2004000165W WO 2004083056 A1 WO2004083056 A1 WO 2004083056A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure plate
cover
closure
pivoted
plate
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.)
Ceased
Application number
PCT/CH2004/000165
Other languages
German (de)
English (en)
Inventor
Markus Wassum
Mario Weist
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.)
SIG Services AG
Original Assignee
SIG Technology 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 SIG Technology AG filed Critical SIG Technology AG
Publication of WO2004083056A1 publication Critical patent/WO2004083056A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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

  • This invention relates to a pourer closure for multi-packs or container openings closed with a sealing film.
  • liquid packs in the form of such composite packs made of film-coated paper are thought of, in which, for example, milk, fruit juices, all kinds of non-alcoholic beverages or liquids in general are also packaged from the non-food sector.
  • the closure can also be used for composite packs in which bulk goods such as sugar, semolina or all kinds of chemicals and the like are stored or packaged.
  • This film-coated paper is a laminate material, for example a paper or cardboard web coated with plastic such as polyethylene and / or aluminum. Usual volumes of such packs range from 20cl to 2 liters and more.
  • pourer closures made of plastic for welding onto a composite pack prepared in this way or for welding or gluing onto a sealing film are known in various designs. They form a lower part, which is welded onto the composite package, and a cover part which is pivotally formed thereon via a hinge. The lower part has a circumferential edge which projects upwards around the clear opening of the closure and forms a pouring spout on the front of this lower part.
  • the hinged lid formed on the back of the lower part has a bulging shape which, when the lid is swiveled in, fits into the clear interior of the edge of the lower part and clicks into it, so that the pouring spout can be sealed.
  • the sealing film running underneath the bottom part appears inside the upwardly projecting edge of the bottom part, which spans the hole punched out there in the composite package.
  • the lower part of the pouring cap is welded onto the composite pack with its flat underside outside the hole.
  • the composite package is manufactured in such a way that the composite package is punched out at the point where the clear interior of the edge of the lower part of the closure is located, and only a sealing film spans this area.
  • the sealing film consists, for example, of an aluminum film which is glued to the inside of the composite package with the cardboard layer of the package.
  • it can also be formed from a PE coating, which is welded onto the inside of the cardboard material of the composite package by means of high-frequency welding, so that it spans the punched-out area, onto which the pouring spout is later welded.
  • the sealing film be it an aluminum film or a PE film
  • the film is then first pressed in by the user with a finger, after which the contents of the composite package can be poured out through the pouring piece formed by the cantilevered edge via its beak formed on the front.
  • the conventional pourer closures have less user-friendly guarantee devices by means of which the first opening, that is to say the opening of the closure for the first time, Top, which is to be guaranteed.
  • a guarantee tape must be torn away, which must be gripped with two fingers. In practice, this often proves to be difficult. For example, if the user has treated his hands with a hand or sunscreen, it is difficult for him to tear off the guarantee tape as long as his fingers are greasy. It is even more difficult to open the fastener with gloves.
  • the reclosure is also not satisfactorily solved because the closures are not sufficiently tight after the cover part has been swung shut.
  • a pourer closure for multi-packs or container openings closed with a sealing film consisting of a lower part which is intended to be welded to the flat underside of its base plate on a multi-pack and an all-round, upwardly projecting projection Forming a pouring spout, as well as from a lid pivotally formed on this lower part via a hinge for pivoting and sealingly pivoting down onto the lower part
  • this pouring closure being characterized in that on that side of the lower part of the closure on which the lid is pivotally formed, a pressure plate is formed in the clear inside and rear end of the pouring spout, which tongue-like extends forward from there into the clear inside of the pouring spout and which is provided with a recess into which a on the underside of the Lid molded stamp at Zusc pivoting of the cover can be pivoted in, further that a locking element is formed on the pressure plate, which either springs into the pivoting area of the stamp or can be pivoted into it, so that
  • Figure 1 A first variant of the pouring spout in the fully opened state, that is to say with the lid opened by 180 °, after spraying seen obliquely from above in a perspective view;
  • Figure 2 The spout closure of Figure 1 in perspective in a longitudinal section along its central longitudinal axis, before the first, factory swiveling the lid;
  • FIG. 3 The pouring closure according to FIG. 1 is shown in perspective in a longitudinal section along its central longitudinal axis after the cover has been swung in for the first time;
  • Figure 4 The pouring closure in perspective in a longitudinal section along its central longitudinal axis after the lid has been swung open for the first time from the closed state of the closure and afterwards was swung back onto the lower part for the first time;
  • FIG. 5 A second variant of the pouring cap in the fully pivoted-open state, that is to say with the cover pivoted open by 180 °, after the spraying, seen from an oblique top perspective view;
  • FIG. 6 The pouring closure according to FIG. 5 is shown in perspective in a longitudinal section along its central longitudinal axis after the cover has been swung in for the first time;
  • Figure 7 The pouring closure according to Figure 5 in a longitudinal section along its central longitudinal axis shown in perspective after the lid has been swung open for the first time from the closed state of the closure and afterwards for the first time has been pivoted back onto the lower part until the stamp on the Blocking element is present;
  • FIG. 8 The pouring closure according to FIG. 5 with the lid in a perspective view in a longitudinal section seen from the side, with the lid — starting from the position according to FIG. 7 — pivoted completely onto the lower part;
  • Figure 9 The lower part of a third variant of the pourer closure in a view from above, with the pressure plate arranged inside the lower part;
  • Figure 10 The pouring closure according to Figure 7 with a lid in a perspective view in a longitudinal section seen from the side, with the lid before the first closing;
  • Figure 11 The pouring closure according to Figure 7 seen in a perspective view in a longitudinal section from the side, with the Lid during the first closing, during which the crossbar is elastically bent forward for assembly at the factory;
  • Figure 12 The pouring closure according to Figure 7 in a perspective view in a longitudinal section seen from the side, with the lid after its initial closure at the factory;
  • Figure 13 The pouring closure according to Figure 7 in a perspective view in a longitudinal section seen from the side, with the lid during the first opening, during which the crossbar is elastically bent from the stamp plate to the front;
  • FIG. 14 The pouring closure according to FIG. 7 seen in a perspective view in a longitudinal section from the side, with the lid after it has been swung open for the first time and before the user swings it down for the first time, the stamp plate striking the crossbar;
  • Figure 15 The pouring cap according to Figure 7 in a perspective view in a longitudinal section seen from the side, with the lid after it has been completely pivoted down by the user after the first pivoting open, with the pressure plate pivoted down.
  • Figure 1 shows a first, advantageous embodiment of the pourer closure in the fully pivoted state, that is, with the lid pivoted through 180 °, after spraying in a perspective view, seen obliquely from above. It consists of a lower part 1 and a cover 6 which is integrally connected to this lower part 1 via a film hinge 5 and which can be pivoted through 180 ° to the lower part 1.
  • the lower part 1 of the closure consists of a base plate 2, on which an upwardly projecting collar is formed, which forms a pouring spout 3 with a pear-shaped cross section.
  • the sub side of the base plate 2 of this lower closure part 1 is flat and intended to be glued or welded onto a laminated composite package or a sealing film.
  • this is pretreated beforehand by either removing an area which corresponds to the clear passage, i.e. the pear-shaped cross section of the pouring spout 3, except for the sealing film of the composite pack laminate, or the pack along the outer contour of the clear pack Passage or along the inner contour of the pouring spout 3 is weakened.
  • the laminated packaging material is weakened along this line by punching, perforating or laser treatment without damaging the sealing film layer, so that a precisely defined break line is formed.
  • a hole matching the shape of the clear opening of the closure is punched out of the composite package, which is then subsequently closed again with a sealing film.
  • the pouring cap is then positioned exactly above this weakened area and glued or welded on in such a way that the weakened line extends along the pear-shaped inner contour of the pouring spout 3.
  • This pouring spout 3 is formed at the front, that is to say on the wider side of its pear-shaped cross section, into a pouring spout 13 with a pouring channel inclined at approximately 30 ° to the lower part base plate 2 and a sharp end edge, thereby making it possible to pour out the contents of the pack in a targeted manner, without that liquid runs downward on the outside of the pouring spout 13 due to capillary effects.
  • the pressure plate 7 is formed on the inside of the pouring spout 3 across its width, this forming point 8 forming a hinge about which the pressure plate 7 on the lower part 1 can be pivoted.
  • this hinge 8 is located on the upper edge of a web 16, which is perpendicular to the base plate 2 of the lower part 1, so that the plane of the pressure plate 7 is slightly raised relative to the base plate 2 of the lower part 1.
  • the pressure plate 7 On its front side, the pressure plate 7 is offset downwards by a step 28, so that an approximately semicircular region 29 is formed, which is at a lower level than the other pressure plate.
  • the top of this semicircular area 29 is braced with a rib 30 against the step 28, so that the entire area 29 is stiffened against an upward bend relative to the remaining pressure plate 7.
  • a toothed edge 31 with fangs 14 projects downward. In the position of the pressure plate shown, however, the fangs 14 do not protrude all the way to the underside of the base plate 2.
  • the middle fangs 14 are connected here to the inside of the pouring spout 3 via a thin material bridge 24, which, however, is designed as a breaking point , so that this bridge 24 breaks away as soon as the pressure plate 7 is pivoted downward with force.
  • This material bridge 24 furthermore ensures that the tear teeth 14 of the toothed edge 31 do not inadvertently press on the packaging laminate running underneath when the closure is welded on or glued on.
  • a recess 9 is recessed in the tongue-shaped pressure plate 7, here in the form of a bar-shaped longitudinal slot 9 which adjoins a locking element 10 on its front end, that is to say the hinge of the pressure plate 7.
  • This locking element 10 is designed here as a pawl 10 which can be pivoted about a film hinge 32 which is arranged transversely to the tongue-shaped pressure plate 7, so that the pawl 10 can be pivoted up and down about this hinge 32.
  • the position of the entire closure shown here represents this in its spray position. In this spray position, the pawl 10 projects obliquely upwards relative to the pressure plate 7, as shown. This is her relaxed rest position, in which she is held by the film hinge 32. Below the pawl 10, a non-continuous recess 33 can be seen in the pressure plate 7, into which the pawl 10 can be pivoted under the action of force.
  • Cover 6 extends around an all-round projection 15. When the cover 6 is pivoted closed, this surrounds the pressure plate 7 which extends into the clear cross section 4 of the nozzle 3 and therefore comes to lie in the space between the inner wall of the nozzle and the outer edge of the pressure plate 7. On its upper, outer edge here, this projection 15 can be provided with a bead 18. hen be, which engages in a matching groove on the inside of the pouring spout 3 when the lid 6 is pivoted onto the lower part 1 of the closure. Then the cover 6 clicks on the lower part 1 and thus closes the closure completely or largely liquid-tight.
  • a stamp 11, here in the form of a rectangular stamp plate 11, is arranged vertically on the cover surface in the interior of this projection 15. At the free, rounded end of the cover 6, this has a projection 17 which projects upwards in the shown pivoted-open state and which reinforces and reinforces this round end region of the cover 6.
  • a bolt 19 is formed standing vertically on the base plate 2 of the underside of the closure.
  • a ring 20 belongs to it, which is held on fine material bridges 21 in a hole 22 in the cover 6.
  • the cover 6 can only be pivoted open by breaking the material bridges 21, the ring 20 remaining on the bolt 19.
  • This device therefore forms a first opening guarantee for the pouring cap, which means that the cap can be seen at any time whether it has already been opened or not.
  • FIG. 2 shows the closure in perspective in a longitudinal section along its central longitudinal axis, before the cover is swung in for the first time at the factory. Because the pawl 10 is injected in the position shown here pivoted upwards, this position corresponds to its natural rest position in which it is held by the hinge 32. In this position, however, the pawl 10 does not protrude into the swiveling range of the stamp 11 or the stamp plate 11 when it is pivoted downward by swiveling the cover 6 onto the lower part of the closure. Therefore, this stamp 11 can be pivoted freely into the recess 9 on the pressure plate 7.
  • Figure 3 shows this state, that is, the pourer closure after the initial, factory swiveling the lid. It can be seen how the stamp plate 11 is now pivoted completely into the recess 9 on the pressure plate 7, and how the underside of the cover 6 rests on the pawl 10 which has been pivoted down.
  • the inclined surface 34 of the pawl 10 lies on the inclined surface 34 of the non-continuous recess in the pressure plate 7.
  • the hinge 32 of the pawl 10 is subjected to a certain tension in this position, because its rest position corresponds to that in which the pawl 10 is pivoted upwards at an angle. In the area close to the hinge, the bolt 19 was also pressed through the ring 20 when the cover was swung shut, in which it snapped into place.
  • FIG. 4 now shows this pouring closure after the lid has been pivoted open for the first time from the closed state of the closure as shown in FIG. 3 and afterwards has been pivoted back onto the lower part 1 for the first time.
  • the cover 6 is pivoted open from this closed position, the front edge 35 of the stamp plate 11 took the pawl 10 with it and pivoted it back from the lying position into its original inclined position.
  • the cover 6 is pivoted further open, the pawl 10 is completely exposed. Because it was previously held in the lowered position, in which the hinge of the pawl 10 is subjected to a tension, for a long time, that is to say from the first factory closure of the closure until it is opened by a consumer, that is to say usually for several days or even weeks certain material fatigue occurred during this time.
  • the material bridge 24 breaks, and then the tear teeth 14 press on the toothed edge 31 onto the sealing film or composite packing point passing beneath it and cut or tear open the same.
  • the pressure plate 7 then pivots the piece of sealing film or packaging laminate torn open below it until the pressure plate 7 assumes the pivot position shown here.
  • the pressure plate 7 snaps onto the lower part 1, so that it is now secured in this position.
  • the element 28 projecting downwards in the vicinity of the hinge on the pressure plate 7, which in this end position comes to lie against an inclined surface 29 on the lower part 1.
  • the element 28 has a barb on its rear side, which hangs in an oppositely directed barb on the inclined surface 29 and from then on holds the pressure plate 7 in the pivoted-down position. This ensures that the pressure plate 7 does not interfere with the outflow when the contents of the packaging are poured out.
  • Now the composite package is open and the lid 6 is swung up again and releases the closure for pouring out the contents of the package.
  • Figure 5 shows a second variant of the pourer closure in the fully opened state, that is, with the lid opened by 180 °, after spraying seen obliquely from above in a perspective view. Only those features which differ from the first variant shown in FIGS. 1 to 4 are described below.
  • the pressure plate 7 is designed here as a flat plate with a downwardly projecting edge 27. On its front side, the pressure plate 7 is equipped on its underside with a tapering tear tooth 14 which, arranged perpendicular to the pressure plate 7, projects downwards, but does not extend all the way to the underside of the base plate 2 due to the increase in the pressure plate 7 to the base plate 2.
  • this fang 14 is here with the inside of the pouring spout 3 over a thin one Material bridge 24 connected, but which is designed as a breaking point, so that this bridge 24 breaks away as soon as the pressure plate 7 is pivoted downward with force.
  • This material bridge 24 ensures that the tear tooth 14 does not inadvertently press on the packaging laminate running beneath it when the closure is welded on or glued on.
  • a recess 9 in the form of a bar-shaped longitudinal slot 9 is arranged in the tongue-shaped pressure plate 7, which opens at its front end, that is to say the hinge of the pressure plate 7, into a wider recess in which a locking element 10 is formed.
  • This locking element 10 consists here of a U-shaped molded part, the upper end of which has a leg 37 arranged perpendicular to the pressure plate plane, so that the U of the molded part extends downward from there, while its other leg 38 is exposed and the upper end ends again in the plane of the pressure plate 7.
  • This U-shaped molded part can be elastically deformed in that the exposed leg 38 of the U can be pressed in the direction against the leg 37 formed on the pressure plate 7. If the force gives way, the exposed leg 38 again assumes its original position shown here.
  • the U-shaped fitting is not or hardly noticeably deformed due to the stiffness of the curved area of the U due to the narrow radius.
  • a pressure force acting from above on the free leg 38 of the U is transmitted to the other leg 37 and thus to the pressure plate 7, so that this force is pivoted downward about the hinge 8, that is to say about its forming point 8.
  • a stamp 11 which here has the shape of a rectangular stamp plate 11 which is arranged vertically on the cover surface. It has an upper edge surface in which a depression 12 is created by two gradations.
  • FIG. 6 shows the pouring closure first after the cover 6 has been swung in at the factory, namely in a section along the central longitudinal axis of the pouring cap is shown.
  • the hinge 5 On the far right in the picture one can see the hinge 5, via which the cover 6 is formed on the lower part 1 and by which the cover 6 is opposite the lower part 1 is pivotable.
  • the downwardly projecting projection 15 can be seen, which projects into the pouring spout 3 and on the front of the cover 6, that is to say on the left in the figure, the projection 17, which covers the pouring spout 13 downwards and reinforces the front cover area and stiffened.
  • This projection 17 also forms a grip strip, so that the cover 6 can be gripped and swung open from below with a finger.
  • the stamp plate 11 formed there with its lower edge with the depression 12 created by the gradations.
  • the stamp plate 11 lies here in the bar-shaped longitudinal slot 9, which is excluded from the pressure plate 7. In front of the longitudinal slot 9 or in front of the stamp plate 11, one can see the U-shaped fitting, which here is the locking element
  • the left leg 37 of the U here is formed at its end on the pressure plate 7, while the right leg 38 here is exposed and can be pressed resiliently against the left leg 37.
  • the downwardly projecting tear tooth 14 can be seen, which is connected to the base plate 2 of the lower part 1 via the material bridge 24 designed as a breaking point.
  • the front lower corner of the stamp plate 11 describes when the cover 6 is pivoted from the lower part 1 about the pivot axis 5, the auxiliary circular path.
  • the radius R is the fixed distance from the hinge 5 to this corner on the stamp plate 11.
  • Figure 7 shows the pourer closure shown in a section along its central longitudinal axis, after the first pivoting open the lid 6 by the user and after swiveling it again until the stamp plate 11 with the recess 12 in its lower edge the upper end of the free leg 38 of the locking member 10 rests.
  • the front side 25 of the stamp plate 11 acts as a guide surface when the cover is swung open for the first time and acts on the outside 26 of the free leg 38 of the U-shaped locking element 10.
  • Figure 8 shows the end of the subsequent opening process for the multi-pack lying under the closure, this process continues from the starting position as shown in Figure 7, that is to say after the first opening of the lid 6 by the user or consumer.
  • the stamp plate 11 with its lower edge the upper end of the free leg of the U-shaped locking element 10 came to rest. So that the stamp plate 11 cannot jump off the top of the free leg of the locking element 10, the underside of the stamp plate 11 is provided with a stepped edge, so that a recess 12 is achieved in which the free leg 38 of the locking element 10 comes to rest and one Stops.
  • the cover 6 is swung down, the stamp plate 11 presses the leg 38 downward.
  • the locking element 10 does not act as a spring, but rather transmits the force directly and unsprung to the other leg 37, which is molded onto the pressure plate 7, the same is also pressed downward and therefore swings downward about its own pivot axis 8, which is in front of the pivot axis 5 of the cover 6.
  • the material bridge 24 breaks between the tear tooth 14 and the base plate 2 of the lower part 1 of the closure. Thereafter, the tearing tooth 14 tears open due to the pressure acting on it, the sealing film running beneath it and the pressure plate 7 can be pivoted further down.
  • the downwardly projecting projection 27 acts along the edge of the pressure plate 7 with its sharp edge as a knife and cuts a pear-shaped disc out of the sealing film or the packaging laminate as the pressure plate 7 is pivoted further down .
  • the pressure plate 7 snaps onto the lower part 1, so that it is now secured in this position.
  • the element 28 projecting downward in the vicinity of the hinge on the pressure plate 7, which in this end position comes to lie against an inclined surface 29 on the lower part 1.
  • the element 28 has a barb on its rear side, which hangs in an oppositely directed barb on the inclined surface 29 and from then on holds the pressure plate 7 in the pivoted-down position. This ensures that the pressure plate 7 does not interfere with the outflow when the contents of the packaging are poured out. From the position shown in FIG. 5, the lid 6 is now swung open again and the closure is then ready for pouring out the packaging contents.
  • FIG. 9 shows the lower part of a third variant of the pouring spout Finally in a view from above, with the pressure plate 7 arranged in the interior of the lower part 1.
  • the pressure plate 7 here has the shape of a round disk with a pivoting arm protruding therefrom, which is formed on the lower part 1 of the closure and forms a hinge 8 there which the pressure plate 7 is pivotable relative to the lower part 1.
  • the pressure plate 7 Around the pressure plate 7, a little space 4 remains free inside the pouring spout 3.
  • the pressure plate 7 in turn has a bar-shaped slot 9.
  • the locking element 10 is formed here by an elastically bendable crossbar which connects to the longitudinal slot 9 at the front. This crossbar is deeper than it is wide and as a result it is bendable in the plane of the pressure plate 7, but not perpendicular to the plane of the pressure plate.
  • Figure 10 shows this pouring cap according to Figure 9 in a perspective view in a longitudinal section seen from the side, with the lid 6 before the first closing.
  • the front edge of the stamp plate 11 hits the crossbar 10 on the cover 6 and the cover 6 cannot therefore be pivoted about its hinge 5 onto the lower part 1 without further notice.
  • the crosspiece 10 must be bent away from the front, that is, to the left in the image, in order to free the space for the stamp plate 11 to swivel down.
  • FIG. 11 namely the pouring closure according to FIGS. 9 and 10 with the lid during the first closing, during which the crossbar is elastically bent forwards at the factory for assembly.
  • FIG. 12 shows this pouring closure according to FIGS. 10 and 11 with the lid after it has been closed for the first time.
  • FIG. 13 shows this pouring closure according to FIGS. 10 to 12 during the first opening, during which the crosspiece 10 itself is elastically bent forward by the stamp plate 11 when the cover 6 is swung open.
  • Figure 15 shows the final state of the pourer closure according to Figures 10 to 14 after its complete swiveling in the wake of the first swiveling, with the pressure plate 7 swung down. In this position, the pressure plate 7 clicks on the lower part of the closure as a result of the snapper provided for this purpose and thus retains its position, in which it holds the cut-out film disc below itself.
  • This closure regardless of the version, therefore allows a hygienic absolutely flawless opening of a compound packaging, since the sealing film no longer has to be pierced with a finger and therefore no dirt can get inside the packaging.
  • the cover 6 after the cover 6 has been swung open for the first time, which destroys the opening guarantee, the cover 6 must first be pivoted downward again in order to cut the sealing film with the pressure plate 7 and at the same time to pivot this film disc downwards and then through the end position of the printing plate which snaps onto the lower part of the closure 7 to hold the sealing film in this swiveled position. Only then is the lid 6 swung open again and the contents can then be poured out. The lid 6 can be closed again at any time and with its projection 15, which comes to lie in the interior 4 of the pouring spout 3, it is closed in a liquid-tight manner.
  • a closure that works on this principle enables a composite package to be closed with a first opening guarantee and to be opened hygienically and cleanly without the need for additional aids or a film having to be pressed in with the fingers.
  • the pressed-in film disc is kept pivoted away from the pouring area so that the contents can be poured out undisturbed. Thanks to the specially shaped pouring spout 13 with a sharp drip edge, the closure also ensures that the pouring can be interrupted and started again without dripping, without liquid residues outside. at the pouring spout 13 are spilled down.

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

Abstract

L'invention concerne une fermeture à bec verseur présentant une partie inférieure (1), ainsi qu'un couvercle (6) formé sur cette dernière de manière à pouvoir pivoter par l'intermédiaire d'une charnière (5) et destiné à être relevé en position ouverte et abaissé en position fermée de façon étanche sur la partie inférieure (1). Une plaque de compression (7) est placée sur le côté de la fermeture, où est formé le couvercle (6) pivotant, dans la zone intérieure (4) et à l'extrémité arrière du bec verseur (3), à partir d'où elle s'étend vers l'avant, sous la forme d'une languette, dans la zone intérieure (4) du bec verseur (3). Une plaque faisant office de poinçon (11) est placée sur le côté inférieur du couvercle (6) perpendiculairement à ce dernier, dans le plan du pivotement du couvercle (6). Lors de la première fermeture du couvercle, à l'usine, on fait pivoter la plaque faisant office de poinçon (11) vers le bas pour la faire pénétrer dans une fente longitudinale (9), tout en recourbant de manière élastique un élément de blocage (10) sur la plaque de compression (7). Lors de la première ouverture du couvercle (6), l'utilisateur fait pivoter la plaque faisant office de poinçon (11) hors de la fente longitudinale (9) tout en recourbant de manière élastique l'élément de blocage (10). Pour ouvrir le contenant, l'utilisateur fait pivoter de nouveau le couvercle (6) vers le bas. Le bord inférieur de la plaque faisant office de poinçon (11) appuie alors sur l'élément de blocage (10) et l'enfonce vers le bas avec la plaque de compression (7). Cette dernière (7), poussée vers le bas, rompt le film d'étanchéité, se bloque en position abaissée et maintient dès lors le bec verseur (3) ouvert.
PCT/CH2004/000165 2003-03-21 2004-03-19 Fermeture a bec verseur pour emballages composites ou ouvertures de contenants fermees au moyen d'un film d'etancheite Ceased WO2004083056A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH488/03 2003-03-21
CH4882003 2003-03-21

Publications (1)

Publication Number Publication Date
WO2004083056A1 true WO2004083056A1 (fr) 2004-09-30

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PCT/CH2004/000165 Ceased WO2004083056A1 (fr) 2003-03-21 2004-03-19 Fermeture a bec verseur pour emballages composites ou ouvertures de contenants fermees au moyen d'un film d'etancheite

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008038060A1 (fr) * 2006-09-26 2008-04-03 Arango Berrio Leon David Bouchon distributeur pour bonbonnes
WO2010126454A1 (fr) * 2009-04-29 2010-11-04 Ali Ayhan Fidanci Dispositif d'ouverture et de fermeture pour boîte de boisson aseptique avec languette de sécurité

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008065A1 (fr) * 1995-08-31 1997-03-06 Combibloc, Inc. Charniere de languette de poussee pour appareil de fermeture de recipient
WO1997046455A1 (fr) * 1996-06-01 1997-12-11 Sig Combibloc Gmbh Bec verseur
CH693175A5 (de) * 1998-10-20 2003-03-27 Terxo Ag Verschliessvorrichtung.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008065A1 (fr) * 1995-08-31 1997-03-06 Combibloc, Inc. Charniere de languette de poussee pour appareil de fermeture de recipient
WO1997046455A1 (fr) * 1996-06-01 1997-12-11 Sig Combibloc Gmbh Bec verseur
CH693175A5 (de) * 1998-10-20 2003-03-27 Terxo Ag Verschliessvorrichtung.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008038060A1 (fr) * 2006-09-26 2008-04-03 Arango Berrio Leon David Bouchon distributeur pour bonbonnes
WO2010126454A1 (fr) * 2009-04-29 2010-11-04 Ali Ayhan Fidanci Dispositif d'ouverture et de fermeture pour boîte de boisson aseptique avec languette de sécurité

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