EP3019411B1 - Bouchon de matière synthétique - Google Patents

Bouchon de matière synthétique Download PDF

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Publication number
EP3019411B1
EP3019411B1 EP14736901.1A EP14736901A EP3019411B1 EP 3019411 B1 EP3019411 B1 EP 3019411B1 EP 14736901 A EP14736901 A EP 14736901A EP 3019411 B1 EP3019411 B1 EP 3019411B1
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EP
European Patent Office
Prior art keywords
stopper
neck
circular
cap
plug
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.)
Active
Application number
EP14736901.1A
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German (de)
English (en)
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EP3019411A1 (fr
Inventor
Mathias MÉLAN-MOUTET
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.)
Societe Lorraine de Capsules Metalliques Manufacture de Bouchage SOLOCAP MAB SAS
Original Assignee
Societe Lorraine de Capsules Metalliques Manufacture de Bouchage SOLOCAP MAB 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.)
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Publication date
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Publication of EP3019411A1 publication Critical patent/EP3019411A1/fr
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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
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • 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
    • B65D41/0485—Threaded or like caps or cap-like covers secured by rotation with means specially adapted for facilitating the operation of opening or closing
    • 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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/325—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings with integral internal sealing means
    • 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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • 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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/348—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures
    • B65D41/349—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures the tamper element being formed separately but connected to the closure

Definitions

  • the present invention relates to a plug of plastic synthetic material, for example PE, adapted to be screwed onto the neck of a container to close the opening.
  • PE plastic synthetic material
  • plastic stopper according to the invention is particularly suitable for closing containers containing soda, mineral water, etc.
  • a cap-shaped plastic cap which is to be mounted on the neck of a container by screwing and having a circular closure wall carried by the bottom of the cap and able to penetrate into said neck, as well as a safety ring connected to said plug by a precut line and neck audit by retaining means.
  • To open a container equipped with such a cap it unscrews the latter, the unscrewing stroke to break the connection at the pre-cut between the safety ring and the cap, and to extract said circular closure wall out of the container neck.
  • the drive force that must exert the cap during unscrewing must be important to allow the breaking of the cutting line and to extract the circular closure wall of the neck of the container.
  • the present invention aims to overcome this disadvantage without significantly increasing the cost of the plug.
  • the synthetic cap in the form of a cap intended to be mounted on the neck of a container by screwing and having a circular inner closure wall carried by the bottom of said cap and able to penetrate in said collar, as well as a safety ring connected to said plug by a precut line and said neck by retaining means, is remarkable in that the portion of said bottom which is in correspondence with the circular inner closure wall is externally raised.
  • the circular shrinkage formed between the raised part and the non-raised part has gripping asperities, in particular diametrical fins integral with the walls of said shrinkage.
  • FIG. 1 Diagrammatically in diametral section a cap of known synthetic material 1, in the form of a cap, mounted on the neck 3 of a container 4 for sealing the opening.
  • the stopper 1 is screwed onto the neck 3 by means of threads 5 and it has a circular internal closure wall 6 carried by the bottom 2 and able to penetrate into said neck 3.
  • the stopper 1 comprises a safety ring 7, connected to the lower part of the stopper 1 by a precut line 8.
  • the part of bottom 2 which is in correspondence with the circular wall 6 of internal closure is externally raised (2A).
  • the bottom of the plug 10 now includes said raised portion 2A and a peripheral portion 2B.
  • the outer surface of the plug 10 is therefore greater than that of the plug 1, so that the manual plug 10 is increased and that the application of the unclogging torque is easier, without that the mass of material used to manufacture the cap is substantially greater.
  • a single large cavity 11 with a smooth wall constituted by the sum of the cavity 12 delimited by the circular inner closure wall 6 and the cavity 13 generated by the raising of the bottom portion 2A. 2.
  • gripping asperities 14 are arranged in the circular recess 15 between the raised portion 2A and the non-raised portion 2B of the bottom 2. Such gripping asperities are diametric fins integral with the walls of the recess 15 .

Landscapes

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

Description

  • La présente invention concerne un bouchon de matière synthétique plastique, par exemple en PE, apte à être vissé sur le col d'un récipient pour en obturer l'ouverture.
  • Quoique non exclusivement, le bouchon de matière synthétique selon l'invention est particulièrement approprié à obturer des récipients contenant des sodas, des eaux minérales, etc.
  • On connaît déjà un bouchon de matière synthétique en forme de capuchon destiné à être monté sur le col d'un récipient par vissage et comportant une paroi circulaire de bouchage portée par le fond du bouchon et apte à pénétrer dans ledit col, ainsi qu'une bague de sécurité reliée audit bouchon par une ligne de prédécoupe et audit col par des moyens de retenue. Pour ouvrir un récipient équipé d'un tel bouchon, on dévisse ce dernier, la course du dévissage permettant de briser la liaison au niveau de la prédécoupe entre la bague de sécurité et le bouchon, et d'extraire ladite paroi circulaire de bouchage hors du col du récipient.
  • Bien entendu, pour qu'un tel bouchon assure correctement sa fonction, il est indispensable que la paroi circulaire de bouchage exerce un frottement serré sur le col du récipient et que la liaison réalisée par la ligne de prédécoupe soit suffisamment forte.
  • Par suite, l'effort d'entraînement que doit exercer le bouchon lors du dévissage doit être important pour permettre la rupture de la ligne de découpe et pour extraire la paroi circulaire de bouchage du col du récipient.
  • Pour qu'un opérateur manuel puisse exercer sur le bouchon un couple suffisant pour engendrer le débouchage, il est donc nécessaire que la prise dudit bouchon par ledit opérateur soit suffisamment forte et commode.
  • Or, notamment pour des considérations économiques, il n'est pas rare que la surface extérieure de préhension dudit bouchon soit trop petite pour permettre une prise manuelle satisfaisante et un débouchage aisé. De plus, du fait de la petitesse de la surface extérieure de préhension, l'utilisateur peut être amené à serrer involontairement la bague de sécurité, ce qui augmente encore les difficultés de débouchage.
  • Les documents WO 2013/066209 et WO 2012/150309 décrivent des bouchons de matière synthétique aptes à être vissés sur le col d'un récipient pour en obturer l'ouverture. Le premier décrit un bouchon selon le préambule de la revendication 1.
  • La présente invention a pour objet de remédier à cet inconvénient sans pour cela augmenter de façon sensible le coût du bouchon.
  • À cette fin, selon l'invention, le bouchon de matière synthétique en forme de capuchon, destiné à être monté sur le col d'un récipient par vissage et comportant une paroi circulaire de bouchage interne portée par le fond dudit bouchon et apte à pénétrer dans ledit col, ainsi qu'une bague de sécurité reliée audit bouchon par une ligne de prédécoupe et audit col par des moyens de retenue, est remarquable en ce que la partie dudit fond qui se trouve en correspondance avec la paroi circulaire de bouchage interne est extérieurement rehaussée.
  • Ainsi, grâce à la présente invention, on obtient un bouchon dans lequel la surface de préhension est augmentée du rehaussement extérieur dudit fond, alors que, par rapport au bouchon connu, seule la paroi latérale de rehaussement constitue une dépense supplémentaire de matière synthétique. On remarquera de plus que, grâce à l'invention, la cavité délimitée par la paroi circulaire de bouchage interne et la cavité délimitée par le rehaussement extérieur du fond s'additionnent alors pour former une grande cavité unique à paroi lisse.
  • Afin d'augmenter la qualité de la préhension, le retrait circulaire formé entre la partie rehaussée et la partie non rehaussée comporte des aspérités de préhension, notamment des ailettes diamétrales solidaires des parois dudit retrait.
  • Les figures du dessin annexé feront bien comprendre comment l'invention peut être réalisée. Sur ces figures, des références identiques désignent des éléments semblables.
    • La figure 1 est une vue en coupe axiale schématique d'un bouchon connu que la présente invention permet de perfectionner.
    • Les figures 2 et 3 sont respectivement une vue de face et une vue de dessus d'un mode de réalisation du bouchon selon l'invention.
    • Les figures 4 et 5 sont des coupes diamétrales du bouchon des figures 2 et 3, respectivement selon les lignes IV-IV et V-V de cette dernière figure.
    • Les figures 6 et 7 sont des vues en perspective, respectivement du dessus et du dessous du bouchon des figures 2 et 3.
  • Sur la figure 1, on a représenté schématiquement en coupe diamétrale un bouchon de matière synthétique connu 1, en forme de capuchon, monté sur le col 3 d'un récipient 4 pour en obturer l'ouverture. Le bouchon 1 est vissable sur le col 3 grâce à des filets 5 et il comporte une paroi circulaire de bouchage interne 6 portée par le fond 2 et apte à pénétrer dans ledit col 3.
  • De plus, le bouchon 1 comporte une bague de sécurité 7, reliée à la partie inférieure du bouchon 1 par une ligne de prédécoupe 8.
  • En position d'obturation (celle représentée sur la figure 1), le bouchon 1 est vissé au maximum dans le col 3, avec la paroi circulaire 6 de bouchage interne d'étanchéité enfoncée à fond dans celui-ci et la bague de sécurité 7 maintenue sur ledit col 3 grâce à un système connu de bossages 9 (non représentés sur la figure 1, mais identiques à ceux visibles sur les figures 4 à 7), coopérant avec des bossages de retenue portés par ledit col 3 (non représentés).
  • Ainsi, pour déboucher le récipient 4, il faut dévisser le bouchon et exercer sur celui-ci un couple suffisamment important pour briser la ligne de prédécoupe 8 et vaincre la friction de la paroi de bouchage interne 6 dans le col 3 du récipient. Bien entendu, pour pouvoir exercer ce couple, il est nécessaire que la main de l'opérateur ait une prise correcte sur le bouchon 1, ce qui n'est pas toujours le cas. Il en résulte des difficultés et des efforts pour l'opérateur désirant ouvrir le récipient 1.
  • Pour remédier à ces inconvénients, dans le bouchon 10, conforme à l'invention, représenté sur les figures 2 à 7 et comportant les éléments 5 à 8 décrits en regard de la figure 1 (voir principalement la figure 4), la partie du fond 2 qui se trouve en correspondance avec la paroi circulaire 6 de bouchage interne est extérieurement rehaussée (2A). Ainsi, le fond du bouchon 10 comporte maintenant ladite partie rehaussée 2A et une partie périphérique 2B.
  • La surface extérieure du bouchon 10 est donc supérieure à celle du bouchon 1, de sorte que la prise manuelle du bouchon 10 est augmentée et que l'application du couple de débouchage est plus aisée, sans pour cela que la masse de matière utilisée pour fabriquer le bouchon soit sensiblement supérieure.
  • À l'intérieur du bouchon 10 est formée une unique grande cavité 11 à paroi lisse, constituée par la somme de la cavité 12 délimitée par la paroi circulaire de bouchage interne 6 et de la cavité 13 engendrée par le rehaussement de la partie 2A du fond 2.
  • Pour améliorer la préhension du bouchon 10, des aspérités de préhension 14 sont disposées dans le retrait circulaire 15 entre la partie rehaussée 2A et la partie non rehaussée 2B du fond 2. De telles aspérités de préhension sont des ailettes diamétrales solidaires des parois du retrait 15.

Claims (1)

  1. Bouchon (10) de matière synthétique en forme de capuchon, destiné à être monté sur le col (3) d'un récipient (4) par vissage et comportant une paroi circulaire de bouchage interne (6) portée par un fond (2) du bouchon (10) et apte à pénétrer dans ledit col (3), ainsi qu'une bague de sécurité (7) reliée à une partie inférieure dudit bouchon (10) par une ligne de prédécoupe (8) et audit col (3) par des moyens de retenue (9), la partie (2A) dudit fond (2) qui se trouve en correspondance avec ladite paroi circulaire de bouchage interne (6) étant extérieurement rehaussée pour augmenter la surface extérieure de préhension dudit bouchon (10), une cavité (12) délimitée par la paroi circulaire de bouchage interne (6) et une cavité (13) engendrée par le rehaussement extérieur du fond (2) s'additionnant et formant une grande cavité unique (11) à paroi lisse, un retrait circulaire (15) formé entre la partie rehaussée et la partie non rehaussée du fond comportant des aspérités de préhension (14),
    les aspérités de préhension (14) étant des premières ailettes diamétrales solidaires des parois du retrait circulaire (15), le bouchon (10) comprenant en outre une surface externe entre la partie inférieure du bouchon (10) et le retrait circulaire (15), caractérisé en ce que ladite surface externe comprend une pluralité de deuxièmes ailettes diamétrales, chacune des deuxièmes ailettes diamétrales étant longitudinalement étendue par une des premières ailettes diamétrales.
EP14736901.1A 2013-07-10 2014-06-12 Bouchon de matière synthétique Active EP3019411B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1356785A FR3008393B1 (fr) 2013-07-10 2013-07-10 Bouchon de matiere synthetique.
PCT/FR2014/051449 WO2015004352A1 (fr) 2013-07-10 2014-06-12 Bouchon de matière synthétique

Publications (2)

Publication Number Publication Date
EP3019411A1 EP3019411A1 (fr) 2016-05-18
EP3019411B1 true EP3019411B1 (fr) 2019-06-12

Family

ID=49378440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14736901.1A Active EP3019411B1 (fr) 2013-07-10 2014-06-12 Bouchon de matière synthétique

Country Status (6)

Country Link
US (1) US10259617B2 (fr)
EP (1) EP3019411B1 (fr)
ES (1) ES2737077T3 (fr)
FR (1) FR3008393B1 (fr)
PT (1) PT3019411T (fr)
WO (1) WO2015004352A1 (fr)

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Publication number Priority date Publication date Assignee Title
US11040807B2 (en) * 2017-05-04 2021-06-22 Berry Global, Inc. Closure
JP7245488B2 (ja) * 2018-03-26 2023-03-24 三笠産業株式会社 キャップ
USD909871S1 (en) * 2018-09-14 2021-02-09 Elopak As Container closure having tamper-evidence and cap
IT201900007746A1 (it) * 2019-05-31 2020-12-01 Sacmi Tappo con cerniera per un contenitore.
USD974175S1 (en) * 2020-04-30 2023-01-03 Betapack, S.A.U. Cap for bottles
US20220055804A1 (en) * 2020-08-20 2022-02-24 Novembal Usa Inc. Hinged Closure
US11542067B2 (en) * 2021-05-12 2023-01-03 Paul Bradley Forrest Releasable container cap

Citations (2)

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WO2012150309A1 (fr) * 2011-05-04 2012-11-08 Tetra Laval Holdings & Finance S.A. Bouchon pour un col de récipient
WO2013066209A1 (fr) * 2011-11-01 2013-05-10 Vihorev Dmitriy Vladimirovich Bouchon pour le bouchage de bouteilles en pet contenant des boissons

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US4057160A (en) * 1976-02-02 1977-11-08 E. & J. Gallo Winery Self-retaining bottle stopper
US4460100A (en) * 1983-06-17 1984-07-17 Owens-Illinois, Inc. Removable resistant container cap and neck assembly
US5630520A (en) * 1990-08-09 1997-05-20 Portola Packaging, Inc. Tabs for container closures and container neck
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GB2435038B (en) * 2003-08-04 2008-05-21 Abacus Closure with frangible tamper-evident band
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KR101344482B1 (ko) * 2006-12-14 2014-01-15 제이씨텍(주) 첨가제 첨가 가능한 위조방지 위생이중캡
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US20150129534A1 (en) * 2013-11-08 2015-05-14 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Closure capsule for containers

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2012150309A1 (fr) * 2011-05-04 2012-11-08 Tetra Laval Holdings & Finance S.A. Bouchon pour un col de récipient
WO2013066209A1 (fr) * 2011-11-01 2013-05-10 Vihorev Dmitriy Vladimirovich Bouchon pour le bouchage de bouteilles en pet contenant des boissons

Also Published As

Publication number Publication date
US10259617B2 (en) 2019-04-16
EP3019411A1 (fr) 2016-05-18
WO2015004352A1 (fr) 2015-01-15
FR3008393B1 (fr) 2016-02-26
US20160176586A1 (en) 2016-06-23
FR3008393A1 (fr) 2015-01-16
ES2737077T3 (es) 2020-01-10
PT3019411T (pt) 2019-08-27

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