EP1399366B1 - Dispositif de fermeture dote d'un perforateur - Google Patents

Dispositif de fermeture dote d'un perforateur Download PDF

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Publication number
EP1399366B1
EP1399366B1 EP02727153A EP02727153A EP1399366B1 EP 1399366 B1 EP1399366 B1 EP 1399366B1 EP 02727153 A EP02727153 A EP 02727153A EP 02727153 A EP02727153 A EP 02727153A EP 1399366 B1 EP1399366 B1 EP 1399366B1
Authority
EP
European Patent Office
Prior art keywords
cutting
displacing
closure device
piercing element
piercing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02727153A
Other languages
German (de)
English (en)
Other versions
EP1399366A1 (fr
Inventor
Werner Fritz Dubach
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.)
Bericap Holding GmbH
Original Assignee
Bericap Holding GmbH
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 Bericap Holding GmbH filed Critical Bericap Holding GmbH
Publication of EP1399366A1 publication Critical patent/EP1399366A1/fr
Application granted granted Critical
Publication of EP1399366B1 publication Critical patent/EP1399366B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0037—Intermediate closure(s)
    • B65D2251/0056—Intermediate closure(s) of the 47-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • B65D2251/0096—Membrane integral with the container

Definitions

  • the present invention relates to a closure device made of plastic, which is attachable via a pierceable body of a closed container and consists of a bung-shaped lower part with a cylindrical spout, which is connected to the container or connectable, and a screw cap which can be pushed onto the lower part, and a cylindrical piercer, which is open on both sides in the axial direction and is displaceably mounted in the lower part, wherein in the screw cap means are provided which move the piercer helically downward during the first unscrewing movement of the screw cap.
  • Closure devices made of plastic consisting of the three parts, as described above, namely a bung-shaped base with cylindrical spout, a movable therein cylindrical fürstosser and a screw cap, which has means to move the piercer, are known in various embodiments.
  • Such closure devices are on Soft packaging containers attached.
  • the containers consist of multilayer films, which usually have one or more paper or cardboard layers, one or more plastic film layers and at least one barrier layer, for example of aluminum.
  • the packages In the area of the closure devices to be applied, the packages have correspondingly pre-punched puncture points.
  • the piercing device of the closure device usually only the innermost, compact plastic film layer and the aluminum layer have to be severed.
  • the piercer is guided so that the piercer exerts only a translational movement toward the interior of the package.
  • EP-A-0'328'652 (Toppan Printing Co. Ltd.) discloses a solution in which a slide-like helix is centrally mounted on an inner wall in the screw cap, while the piercer has a similar counter-rotating thread while at the same time the piercing is provided with cams, which prevent rotation relative to Ausgussspund.
  • a virtually identical solution is also known from WO 99/62776 (Crown Cork and Seal Technologies Corp.).
  • a closure device is known with a bung-shaped spout, in which a piercer with guide cam runs, wherein the guide cam in axial engage extending grooves, while at the same time the piercer has an internal thread which cooperates with a central annular wall in the screw cap, wherein the central wall has an external thread. At the same time there is a threaded connection between the screw cap and the spout.
  • WO 95/05996 International Paper Company shows a closure device in which the piercer is not only a clean performs translatory movement but a screwing.
  • the piercer correspondingly has an external thread, which is guided engaging into an internal thread in the pouring spout.
  • the piercer can be displaced by means of entrainment in the screw cap in a corresponding screwing. If the screw cap is unscrewed, the piercer simultaneously moves downward in a screwing movement into the container to be opened.
  • the piercer also has a multiplicity of perforation teeth along its lower edge.
  • the teeth dig into areas of the package, which are not pre-punched. Not only does this require much more force, but at the same time there is no longer any perforation of the film, but a pure pulling movement takes place on the film. While films tend to be sensitive to perforations, most films are extremely resistant to tensile forces.
  • the offset angle ⁇ is ensured at a size of less than 180 °, that no complete separation of the packaging area can be done, while the choice of the offset angle by more than 100 ° ensures that at the moment because the displacement element is effective, more as half the circumference is severed and thus the already severed part is folded away. The latter would already be given, even if the displacement angle would be less than 100 °, but on the one hand, the danger would be great that the displacement element not only pushes the already separated area to the side but would also bring the not yet severed area to tearing , Finally, however, even with a displacement angle of less than 100 °, the open spout area would be restricted too much.
  • the entire structure of the closure device 1 is shown consisting of three parts for a better understanding. These are a lower part 2, which is adhesively attached to a container B, a screw-mounted therein pierced body 3 and a Lower part 2 cross-screw 4.
  • the lower part 2 has a cylindrical spout 20 which merges terminally into a lower flange 21 and an internal thread 22 and an external thread 23 has.
  • the flange 21 serves for the adhesive connection with the container B.
  • This container consists of a multilayer, made of films soft pack, wherein the multilayer film has a so-called pre-punching V, which penetrates one or more layers at least partially, thus defining a desired opening.
  • the pre-punch V defines a circular area which has to lie within the opening of the cylindrical spout 20.
  • the diameter of the pre-punching V is smaller than the diameter of the pouring spout 20 by a few percent.
  • the diameter of the pre-punching V corresponds almost exactly to the diameter of the piercer 3 or the circular path which the cutting elements of the piercer define during their movement.
  • the internal thread 22 of the cylindrical spout 20 is a coarse thread.
  • the thread height is relatively large and the thread has a high pitch.
  • the piercer 3 is replaced by its original mounting position, as in FIG 1, moved into the lower use position according to FIG.
  • the external thread 23 is realized as a so-called fine thread. Accordingly, the thread 23 has only a small height of the thread flanks and the pitch of the thread is flat. To unscrew the screw cap 4, this must therefore make several turns.
  • the actuation of the penetrator 3 is effected by means of the screw cap 4.
  • the screw cap 4 has a cover surface 40, on which a circumferential casing wall 41 is adjacent.
  • the jacket wall 41 has an internal thread 42, which is designed as a fine thread, matching the external thread 23 of the cylindrical spout.
  • At the bottom of the top surface 40 a concentric with the jacket wall 41 extending annular wall 43 is formed.
  • this concentric annular wall 43 which has a diameter which is smaller than the inner diameter of the piercer, means are formed in the form of drivers 44.
  • the drivers 44 drive the piercer 3 in an opposite direction.
  • the piercer 3 which is advantageously made in one piece with the lower part, as shown in FIG. 3, essentially consists of a cylindrical annular wall part 31 with an external thread 32 which, in turn, is designed as a coarse thread, matching the internal thread 22 of the lower part 2.
  • the displacement element 34 can be combined with the cutting element 33 or, as can be seen in FIGS. 2 to 4, designed as a separate element 35.
  • only one cutting element 33 can be seen in each case. Only in the side view according to FIG. 4 are both cutting elements 33 visible.
  • the cutting elements 33 which have approximately a triangular shape, open into a terminal perforation tooth 36.
  • An arrow D indicates in each case the direction of rotation of the piercer.
  • a cutting edge 37 is formed directly on the perforation tooth 36.
  • the cutting edge 37 is here in the preferred embodiment in a displacement edge 38, which thus forms here the displacement element 34 and thus part of the cutting element 33 is.
  • a Mitauerverdickung 39 integrally formed, on which a driver 44 during the initial Abschraubterrorism the screw cap 4 rests and thus the fürstosser 3 in a screwing motion.
  • the solution with the displacement edge 38 is merely optional. As already mentioned, and also realized here, an additional separate displacement element 35 may be present.
  • the displacement element 35 is made shorter in the axial direction of the penetrator 3 than the cutting element 33. Accordingly, the displacement element 35 comes into contact with the film of the container B only when the two cutting elements 33 have formed at least approximately a continuous cutting line.
  • the separate displacement element 35 otherwise has approximately the shape of the cutting elements 33, but is truncated-edged and has no perforation tooth but runs in a rounded arc.
  • the two cutting elements 33 are arranged trailing one another at an offset angle ⁇ .
  • the two perforation teeth 36 of the two cutting elements 33 are located on the positions a 'and b'. After a certain feed angle ⁇ , the two perforation teeth 36 touch the foil of the container to be cut at the points A and B.
  • FIGS Direction of rotation D runs the perforation tooth of a cutting element before the perforation tooth of the second cutting element by an offset angle ⁇ .
  • the perforating teeth 36 pierce the film and subsequently sever the film, with one cutting element passing the cutting path from point A to point B while the other cutting element from point B to point C applies a cutting line.
  • a coherent cutting line of 2 ⁇ results, which extends from point A to point C.
  • the cutting edge 37 has penetrated through the film of the container inside and from point C now acts on the one hand the displacement edge 38 and / or the displacement element 35.
  • the displacement edge now acts from the point C, while the displacement element 35 in the area VB which is relatively close to the pre-punching V in the not yet severed area.
  • the cut-free area is pushed down into the container.
  • the pre-punching V practically serves as a bending line.
  • the feed angle ⁇ must be at least 90 °, but this is practically not enough and the actual minimum size of the Displacement angle ⁇ must be greater than 100 °.
  • the offset angle ⁇ must also be less than 180 ° to ensure that the cut line is not circumferential and consequently an entire roundel is cut out of the film which could fall into the container.
  • the maximum displacement angle ⁇ should be about 170 °.
  • the perforation takes place here only at two points. This has the advantage that the required power is lower.
  • the cutting edge 37 performs both a movement component perpendicular to the cutting line and a component in the direction of the cutting line. But because the pre-punching V also relatively close to the relatively rigid connection of the film with the flange 21 of the lower part 2 runs, there is a certain shearing force.
  • the steepness of the coarse thread between the piercer 3 and the lower part 2 must be aligned with the geometry of the cutting elements.
  • the purely vertical length of the cutting edge 37 must be equal to the thread pitch, which corresponds to the angle ⁇ . The latter applies in particular when the displacement element is combined with the cutting element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Adornments (AREA)
  • Telephone Function (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Prostheses (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)

Claims (8)

  1. Dispositif de fermeture (1) en matière plastique qui peut être amené au-dessus d'un emplacement transperçable d'un récipient fermé (B) et qui est constitué d'une partie inférieure (2) en forme de bonde comprenant un ajutage de versement cylindrique (20), qui est relié ou peut être relié au récipient, et un capuchon à vis (4) qui est peut être vissé sur la partie inférieure (2), ainsi qu'un dispositif de perçage cylindrique (3) qui est ouvert des deux côtés dans une direction axiale et qui est monté dans la partie inférieure de façon déplaçable, le capuchon à vis (4) contenant des moyens (44) qui communiquent au dispositif de perçage (3) un mouvement hélicoïdal vers le bas lorsque le capuchon à vis effectue pour la première fois un mouvement de dévissage,
    caractérisé en ce que le dispositif de perçage (3) est équipé d'au moins deux éléments de découpe (33) qui sont disposés l'un à la suite de l'autre avec un angle de décalage (α) de moins de 180° et de plus de 100°, de sorte que, après que le dispositif de perçage a tourné de l'angle de décalage, il est généré une ligne de découpe continue de 2α, et en ce qu'un élément de déplacement (34, 35, 38) agit alors dans la région non sectionnée et pousse la languette partiellement découpée en dehors de la région de l'ajutage de versement (20).
  2. Dispositif de fermeture selon la revendication 1, caractérisé en ce que l'élément de déplacement est combiné à l'élément de découpe avant (33) pour former un élément (34, 38).
  3. Dispositif de fermeture selon la revendication 2, caractérisé en ce que l'élément de découpe avant (33) comporte un bord de découpe (37) qui se transforme en un bord de déplacement (38) agissant comme un élément de déplacement, le bord de découpe (37) ayant une longueur telle que, pendant le mouvement de vissage après que le dispositif de perçage (3) a effectué une rotation (D) d'au moins approximativement l'angle de décalage α, le bord de déplacement (38) pousse la région non sectionnée du récipient (B) en dehors de l'ajutage de versement (20).
  4. Dispositif de fermeture selon la revendication 1, caractérisé en ce qu'un élément de déplacement (35), séparé de l'élément de découpe, est situé en avant de l'élément de découpe avant (33) par référence au sens de rotation de l'élément de perçage (3).
  5. Dispositif de fermeture selon la revendication 4, caractérisé en ce que les deux éléments de découpe (33) et l'élément de déplacement (35) sont reliés solidairement au dispositif de perçage (3).
  6. Dispositif de fermeture selon la revendication 1, caractérisé en ce que les deux éléments de découpe (33) et l'élément de déplacement (34) sont décalés concentriquement à la paroi d'enveloppe du dispositif de perçage cylindrique (3) en direction du centre approximativement de l'épaisseur de la partie de paroi annulaire (31).
  7. Dispositif de fermeture selon la revendication 1, caractérisé que le dispositif de perçage (3) comportant les éléments de découpe (33) a une longueur axiale qui correspond au maximum à la longueur axiale de l'ajutage de versement cylindrique (20).
  8. Elément de fermeture selon la revendication 4, caractérisé en ce que l'élément de déplacement (35) est plus court que les deux éléments de découpe (33) de la distance axiale correspondant à la distance de déplacement axiale parcourue par les deux éléments de découpe (33) lorsque le dispositif de perçage (3) effectue une rotation de l'angle de décalage α.
EP02727153A 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur Expired - Lifetime EP1399366B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH118201 2001-06-27
CH11822001 2001-06-27
PCT/CH2002/000307 WO2003002419A1 (fr) 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur

Publications (2)

Publication Number Publication Date
EP1399366A1 EP1399366A1 (fr) 2004-03-24
EP1399366B1 true EP1399366B1 (fr) 2006-10-04

Family

ID=4561817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02727153A Expired - Lifetime EP1399366B1 (fr) 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur

Country Status (13)

Country Link
US (1) US6851576B2 (fr)
EP (1) EP1399366B1 (fr)
CN (1) CN1251932C (fr)
AT (1) ATE341494T1 (fr)
AU (1) AU2002257483B2 (fr)
BR (1) BR0210540A (fr)
CA (1) CA2451751A1 (fr)
DE (1) DE50208344D1 (fr)
DK (1) DK1399366T3 (fr)
ES (1) ES2274030T3 (fr)
IL (2) IL159592A0 (fr)
RU (1) RU2288146C2 (fr)
WO (1) WO2003002419A1 (fr)

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CN106132837B (zh) 2014-03-07 2019-05-14 鲍尔公司 具有大开口环状拉片的端盖
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US5482176A (en) * 1994-03-16 1996-01-09 The West Company, Incorporated Membrane piercing closure and spout assembly
FR2765194B1 (fr) 1997-06-27 1999-09-17 Rical Sa Ensemble verseur a bouchage a vis pour un recipient
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JP4160163B2 (ja) * 1998-06-11 2008-10-01 日本テトラパック株式会社 キャップ付き容器
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EP1322523B1 (fr) * 2000-10-03 2008-11-26 Bericap Holding GmbH Dispositif de fermeture en plastique dote d'un perforateur
ES2267703T3 (es) * 2001-05-29 2007-03-16 TETRA LAVAL HOLDINGS & FINANCE SA Dispositivo de apertura cerrable para envases obturados de productos alimenticios que se pueden verter.
US6477743B1 (en) * 2001-08-14 2002-11-12 Seaquist Closures Foreign, Inc. Twist-openable dispensing closure accommodating optional liner puncture feature
US6702161B2 (en) * 2001-12-12 2004-03-09 Portola Packaging, Inc. Closure having rotatable spout and axially movable stem
US6571994B1 (en) * 2001-12-12 2003-06-03 Portola Packaging, Inc. Closure having rotatable spout and axially movable stem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012012937B3 (de) * 2012-06-29 2013-03-21 Sig Technology Ag Verbundpackung mit einem Ausgießelement und Zuschnitt zur Herstellung einer solchen Packung
WO2014001507A1 (fr) 2012-06-29 2014-01-03 Sig Technology Ag Emballage composite comprenant un élément de versement et découpe destinée à fabriquer un tel emballage
US9738427B2 (en) 2012-06-29 2017-08-22 Sig Technology Ag Composite pack having a pouring element, and blank for producing such pack

Also Published As

Publication number Publication date
EP1399366A1 (fr) 2004-03-24
ES2274030T3 (es) 2007-05-16
IL159592A0 (en) 2004-06-01
BR0210540A (pt) 2004-06-22
AU2002257483B2 (en) 2006-11-30
ATE341494T1 (de) 2006-10-15
RU2288146C2 (ru) 2006-11-27
US20040149786A1 (en) 2004-08-05
CN1522216A (zh) 2004-08-18
IL159592A (en) 2008-04-13
WO2003002419A1 (fr) 2003-01-09
CN1251932C (zh) 2006-04-19
RU2004102050A (ru) 2005-03-10
DK1399366T3 (da) 2007-01-15
DE50208344D1 (de) 2006-11-16
US6851576B2 (en) 2005-02-08
CA2451751A1 (fr) 2003-01-09

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