EP0610127B1 - Irreversible abschraubbare Verschlussvorrichtung - Google Patents

Irreversible abschraubbare Verschlussvorrichtung Download PDF

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Publication number
EP0610127B1
EP0610127B1 EP94400206A EP94400206A EP0610127B1 EP 0610127 B1 EP0610127 B1 EP 0610127B1 EP 94400206 A EP94400206 A EP 94400206A EP 94400206 A EP94400206 A EP 94400206A EP 0610127 B1 EP0610127 B1 EP 0610127B1
Authority
EP
European Patent Office
Prior art keywords
neck
threads
stopper
opening
angle
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
EP94400206A
Other languages
English (en)
French (fr)
Other versions
EP0610127A1 (de
Inventor
Olivier De Pous
Claude Jouillat
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.)
Aptar France SAS
Original Assignee
Valois SAS
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 Valois SAS filed Critical Valois SAS
Publication of EP0610127A1 publication Critical patent/EP0610127A1/de
Application granted granted Critical
Publication of EP0610127B1 publication Critical patent/EP0610127B1/de
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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • 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
    • B65D2401/00—Tamper-indicating means

Definitions

  • the present invention relates to a stopper device with irreversible unscrewing, that is to say a member fixed to the threaded neck of a container for closing it, and which may have the form of a capsule, of a ring capable of support for example a dispensing device for dispensing a fluid substance contained in the container (pump for example), or any other form.
  • the stopper and the ring are made of metal on glass bottles, and of polyethylene on PVC bottles.
  • these closure systems pose problems for the recycling of bottles. Indeed, the ring which is integral with the bottle is most commonly formed from a material different from that of the bottle and which cannot be recycled under the same conditions as the bottle. This ring must therefore be removed from the bottle before recycling, which increases the cost of recycling.
  • the object of the invention is to propose a container closure system which guarantees that the container has not been opened, which can be dismantled without tools to open the container, and which can be completely dismantled from the container during opening to facilitate subsequent recycling of the container.
  • the subject of the invention is therefore a device for closing a container having a neck in which a mouth is formed and which is provided with external relief threads which each extend between a first end more distant from the mouth and a second end closer, the device comprising a unscrewable plug having a side wall which surrounds the neck and which substantially matches the shape of the external threads of said neck, said plug being formed in an elastically deformable material, characterized in that at least some neck fillets are separated two by two by a circumferential distance around the neck, which gradually decreases between the first and second ends of the fillets.
  • the mounting method provided by the present invention is safer than conventional means, which can always give rise to involuntary unscrewing.
  • the external threads are wedge-shaped, with their second end wider than their first end.
  • the external threads are divided into two groups of threads comprising a first group of threads forming a first angle relative to a direction of an axis of revolution of the neck, and a second group of threads forming a second angle, with respect to said direction, said second angle being different from the first angle, and, the external threads of the two groups are distributed alternately around the neck.
  • the neck of the container is made of hard material
  • the stopper is metallic
  • the side wall of the stopper is crimped on the neck in a region which does not extend axially substantially beyond the first end of threads in s' away from the mouth of the neck.
  • the neck of the container is made of hard material
  • the stopper is made of flexible plastic material
  • the side wall of the stopper has internal reliefs which cover the external threads of the neck and which do not extend axially substantially beyond the first end of the threads away from the mouth of the neck, and the stopper is forcibly engaged on the neck by crushing the said internal reliefs of the stopper, said internal reliefs partially resuming their initial shape after tightening by force, by substantially matching the form nets.
  • Said interior reliefs can be axial ribs.
  • the force engagement can be an interlocking followed by a screwing, or a face alone.
  • the threads have a so-called “artillery” profile which limits the possibilities of tearing off the plug, and which facilitates the penetration of the threads into the internal reliefs of the plug if the plug is made of flexible plastic and screwed or forced in.
  • a container 1 which may for example be made of glass, has a neck 4 which has an axis of revolution 4a and which delimits a mouth 10 communicating with the interior of the container 1.
  • the neck 4 has external threads 5 in relief, which each extend between a narrow end 5a, axially further away from the mouth 10, and a wide end 5b, axially closer to the mouth 10.
  • the threads 5 are separated in pairs by a circumferential distance d which decreases between the narrow end 5a and the wide end 5b of the threads.
  • the threads 5 have in this example a profile called “artillery”, that is to say that they have an inclined face 5c in the direction of the mouth and a substantially radial face 5d which is directed opposite the mouth 10.
  • the neck of the container of FIG. 1 is closed by means of a plastic capsule 2 which is shown in FIG. 3.
  • the capsule 2 has a side wall 2a, cylindrical of revolution, which is intended to surround the neck 4 of the container, and which extends axially between a bottom 2b and a free end 2c.
  • the bottom 2b shown in Figure 3 is full but it notes that the bottom 2b could possibly include an opening in which would be mounted an apparatus for dispensing a substance contained in the reservoir, for example a pump.
  • the side wall 2a of the capsule also has internal ribs 11 which extend axially over a certain distance from the bottom 2b of the capsule.
  • a forced insertion is carried out then a forced screwing of the capsule 2 on the neck 4, by mechanical means (mounting machine).
  • the forced entry is facilitated by the artillery profile of the threads 5 of the neck.
  • the forced-in phase could be eliminated, the plug then being engaged on the neck 4 by a single force screwing movement.
  • the force-tightening produces a tapping of the ribs 11, due to the crushing of said ribs 11 by the threads 5, as shown in FIG. 4.
  • the wide ends 5b of the threads 5 first penetrate into the material forming the ribs 11, then the assembly of each thread 5b enters the ribs 11 following the trace formed by the wide end 5b.
  • the ribs 11 partially return to their initial shape after being crushed by the wide end 5b, so that after mounting said ribs 11 substantially match the thread 5 including at the narrower end 5a of said threads 5.
  • the ribs 11 extend axially from the bottom 2b to the narrow end 5a of the threads 5, without substantially exceeding this end 5a while moving away from the mouth 10.
  • the ribs 11 could even stop at an intermediate position on the height of the threads 5.
  • a flat seal 13 can be interposed between the neck 4 of the container and the bottom 2b of the capsule 2.
  • FIG. 5 represents a variant of the device of FIG. 4, in which the capsule 2 is replaced by a metallic capsule 3, which also has a side wall 3a extending axially between a bottom 3b and a free end 3c.
  • the neck 4 of the container can be identical to that of FIG. 1, and a seal 13 can be interposed between the neck 4 of the container and the bottom 3b of the capsule.
  • the side wall 3a of the metal capsule 3 is crimped onto the threads 5, in a region 12 which does not extend axially sensibly beyond the first end 5a of the threads in moving away from the mouth 10 of the neck 4. In the example shown, the region 12 extends only over the threads 5.
  • the region 12 could extend over only part of the threads 5, and it could also extend to the vicinity of the bottom 3b of the capsule 3.
  • the crimping of the capsule can be carried out by means of a known crimping pliers 14, shown in the rest position in FIG. 6.
  • the clamp 14 comprises two annular jaws 15, 16, arranged axially on each side of an annular elastomer part 17.
  • the two jaws 15, 16 and the annular elastomer part 17 have substantially the same internal diameter.
  • the two jaws 15, 16 pinch between them the annular elastomer part, as shown in FIG. 5, the part 17 is deformed radially inwards, so that it crimps the side wall 3a of the capsule on the neck 4 of the container, substantially matching the external shape of the side wall 3a of the capsule in the crimping zone 12.
  • FIG. 7 represents a variant of the shape of the threads of the neck 4 of the container, usable with the types of capsule described above.
  • the neck 4 of FIG. 7 comprises external raised threads 6, 7, which are divided into two groups.
  • a first group comprises threads 6 which form a first angle ⁇ 1 relative to the axis of revolution 4a of the neck 4
  • a second group comprises threads 7 which form a second angle ⁇ 2 slightly different from the first angle ⁇ 1 by relative to said direction of the axis of revolution of the neck.
  • the nets of the two groups are distributed alternately around the neck, so that the configuration of FIG. 7 is equivalent to the wedge-shaped nets 5 of FIG. 1.

Claims (9)

  1. Verschlußvorrichtung für einen Behälter (1), der einen Hals (4) besitzt, an dem eine Mündung (10) ausgebildet ist und der mit außenliegenden, erhabenen Gewindeelementen (5; 6, 7) versehen ist, die sich jeweils zwischen einem ersten Ende (5a; 6a, 7a), das von der Mündung (10) weiter entfernt angeordnet ist, und einem zweiten näher an der Mündung (10) befindlichen Ende (5b; 6b, 7b) erstrecken, wobei die Vorrichtung eine abschraubbare Kappe (2; 3) aufweist, die eine Seitenwand (2a; 3a) besitzt, die den Hals (4) umgibt und im wesentlichen an die Form der außenliegenden Gewindeelemente (5; 6, 7) des Halses angepaßt ist, wobei die Verschlußkappe aus einem elastisch verformbaren Material hergestellt ist, dadurch gekennzeichnet, daß wenigstens einige der Gewindeelemente (5; 6, 7) des Halses paarweise in Umfangsrichtung (d) um den Hals herum in einem Abstand angeordnet sind, der fortschreitend zwischen dem ersten und dem zweiten Ende der Gewindeelemente abnimmt.
  2. Vorrichtung nach Anspruch 1, bei der die außenliegenden Gewindeelemente (5) keilförmig ausgebildet sind, wobei ihr zweites Ende (5b) größer ist, als ihr erstes Ende (5a).
  3. Vorrichtung nach Anspruch 1, bei der die außenliegenden Gewindeelemente (6, 7) in zwei Gewindeelement-Gruppen unterteilt sind, von denen eine erste Gewindeelementgruppe (6) einen ersten Winkel (α1) bezüglich einer Richtung einer Drehachse des Halses und eine zweite Gewindeelementgruppe (7) einen zweiten Winkel (α2) bezüglich dieser Richtung bildet, wobei der zweite Winkel (α2) vom ersten Winkel (α1) verschieden ist und die außenliegenden Gewindeelemente der beiden Gruppen alternierend um den Hals herum verteilt sind.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der der Hals (4) des Behälters aus einem harten Material und die Verschlußkappe (3) aus Metall ist, wobei die Seitenwand (3a) der Kappe auf den Hals (4) in einem Bereich (12) aufgebördelt ist, der sich in axialer Richtung nicht wesentlich über das erste Ende (5a; 6a, 7a) der Gewindeelemente hinaus erstreckt und sich dabei von der Mündung (10) des Halses entfernt.
  5. Vorrichtung nach einem der Ansprüche 1 bis 3, bei dem der Hals (4) des Behälters aus hartem Material und die Verschlußkappe (2) aus einem nachgiebigen Kunststoffmaterial ist, wobei die Seitenwand (2a) der Verschlußkappe innenliegende Erhebungen (11) aufweist, die die außenliegenden Gewindeelemente (5; 6, 7) des Halses überlappen und die sich axial nicht wesentlich über das erste Ende (5a; 5b, 7a) der Gewindeelemente hinaus erstrecken und sich dabei von der Mündung (10) des Halses entfernen, und wobei die Verschlußkappe (7) unter Überlaufen der inneren Erhebungen (11) der Verschlußkappe auf den Hals so aufgepreßt worden ist, daß die innenliegenden Erhebungen nach der erzwungenen Aufschraubung teilweise ihre ursprüngliche Form wieder annehmen und sich im wesentlichen an die Form der Gewindestücke anschmiegen.
  6. Vorrichtung nach Anspruch 5, bei der die Verschlußkappe (2) zwangsweise auf den Hals (4) durch Aufdrücken und nachfolgendes Schrauben aufgebracht worden ist.
  7. Vorrichtung nach Anspruch 5, bei der die Verschlußkappe (2) zwangsweise auf den Hals (4) aufgeschraubt worden ist.
  8. Vorrichtung nach einem der Ansprüche 5 bis 7, bei der die inneren Erhebungen axial verlaufende Rippen (11) sind.
  9. Vorrichtung nach einem der vorhergehenen Ansprüche, bei der die Gewindestücke (5; 6, 7) ein Artillerieprofil besitzen.
EP94400206A 1993-02-04 1994-02-01 Irreversible abschraubbare Verschlussvorrichtung Expired - Lifetime EP0610127B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9301238A FR2701010B1 (fr) 1993-02-04 1993-02-04 Dispositif de bouchage à dévissage irréversible.
FR9301238 1993-02-04

Publications (2)

Publication Number Publication Date
EP0610127A1 EP0610127A1 (de) 1994-08-10
EP0610127B1 true EP0610127B1 (de) 1996-10-23

Family

ID=9443730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400206A Expired - Lifetime EP0610127B1 (de) 1993-02-04 1994-02-01 Irreversible abschraubbare Verschlussvorrichtung

Country Status (4)

Country Link
US (1) US5398830A (de)
EP (1) EP0610127B1 (de)
DE (1) DE69400760T2 (de)
FR (1) FR2701010B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790733B2 (ja) * 2002-10-03 2006-06-28 等 前島 二構成部材間の締結装置およびその締結方法
FR2891529B1 (fr) * 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur comprenant un tel organe.
FR2891533B1 (fr) * 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur de produit fluide utilisant un tel organe.
FR2891530B1 (fr) 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur de produit fluide utlisant un tel organe.
JP2009132411A (ja) * 2007-11-30 2009-06-18 3R Produce:Kk 締結構造
US20090272745A1 (en) * 2008-05-02 2009-11-05 Ryan Dohse Disposable Substance Dispensing Apparatus
WO2010125604A1 (ja) * 2009-04-28 2010-11-04 株式会社３Ｒプロデュース 締結構造
WO2021041123A1 (en) * 2019-08-27 2021-03-04 Runway Blue, Llc Anti-cross-threading thread configuration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193227A (en) * 1937-09-13 1940-03-12 Cherry Burrell Corp Closure for containers
US2304826A (en) * 1940-07-01 1942-12-15 Peters Bros Rubber Co Inc Replaceable crown closure
US4717034A (en) * 1982-07-06 1988-01-05 Owens-Illinois Closure Inc. One-piece thermoplastic closure having press-on screw off structure including spaced vertical ribs in the skirt of the closure

Also Published As

Publication number Publication date
FR2701010A1 (fr) 1994-08-05
EP0610127A1 (de) 1994-08-10
US5398830A (en) 1995-03-21
DE69400760T2 (de) 1997-05-22
FR2701010B1 (fr) 1995-03-24
DE69400760D1 (de) 1996-11-28

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