EP0252532A1 - Screwcap for a container having a neck provided with a rupturable membrane - Google Patents

Screwcap for a container having a neck provided with a rupturable membrane Download PDF

Info

Publication number
EP0252532A1
EP0252532A1 EP87200542A EP87200542A EP0252532A1 EP 0252532 A1 EP0252532 A1 EP 0252532A1 EP 87200542 A EP87200542 A EP 87200542A EP 87200542 A EP87200542 A EP 87200542A EP 0252532 A1 EP0252532 A1 EP 0252532A1
Authority
EP
European Patent Office
Prior art keywords
container
neck
blade
plug
cover
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.)
Granted
Application number
EP87200542A
Other languages
German (de)
French (fr)
Other versions
EP0252532B1 (en
Inventor
Jean Debetencourt
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.)
L&M Services BV
Original Assignee
Lynes Holdings SA
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
Priority claimed from BE0/216911A external-priority patent/BE905095A/en
Application filed by Lynes Holdings SA filed Critical Lynes Holdings SA
Priority to AT87200542T priority Critical patent/ATE53809T1/en
Publication of EP0252532A1 publication Critical patent/EP0252532A1/en
Application granted granted Critical
Publication of EP0252532B1 publication Critical patent/EP0252532B1/en
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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • B65D51/225—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure and further comprising a device first inhibiting displacement of the outer closure
    • 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
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane

Definitions

  • This invention relates to a screw-on closure plug for a container, the neck of which is provided with a tear-off cover.
  • the object of the invention is to provide a plug with which, after rotation thereof, the user can easily grasp a part of the cover and cause it to be completely torn off.
  • the closure plug according to the invention has internally a spiral blade which, when the cap is screwed onto the neck of the container, penetrates into the aforementioned seal and cuts out part of it, the blade having a so-called “rear” end considering the direction of rotation of the blade, which is bent inwardly of the spiral blade to lift the cover.
  • the closure plug comprises at its base a tearable ring bearing on the container and preventing untimely screwing of the plug as long as the aforementioned blade has not penetrated into the aforementioned seal,
  • the neck 4 of the container 5 also has an external screw thread 7 intended to cooperate with an internal screw thread 8, formed inside the cylindrical part 9 of the plug 1.
  • the cylindrical part 9 of the plug 1 has a safety ring or tearable ring 6, provided with a tear-off tab 11. As long as the ring 10 has not been torn off, the plug 1 cannot be pressed into the cover 10.
  • the essential characteristic of the closure plug according to the invention is the presence, on the internal face of the plug 1, of a spiral blade 12.
  • This spiral blade 12 has the characteristic of having its so-called “rear” end 12 ⁇ slightly curved inward of the spiral.
  • the screw thread used is, obviously dence, a rapid step which does not tolerate a 360 ° rotation of the stopper. In this case, the cover would be completely cut out, which is not the aim of the invention.

Abstract

1. A screw-type sealing cap (1), for a container (5) whose neck (4) is provided with a tear-off cover (6), comprising internally a spiral blade (12) which, when the cap is screwed on the neck (4) of the container, penetrates into the aforementioned cover (6) and cuts away a portion thereof, characterised in that the blade (12) has a so-called "trailing" end (12'), with respect to the direction of rotation of the blade (12), which is bent towards the inside of the spiral blade so as to raise the cover (6).

Description

Cette invention concerne un bouchon d'obturation par vissage pour un récipient dont le col est muni d'un opercule déchirable.This invention relates to a screw-on closure plug for a container, the neck of which is provided with a tear-off cover.

Le but de l'invention est de réaliser un bouchon grâce auquel, après rotation de celui-ci, l'utilisateur peut aisément saisir une partie de l'opercule et provoquer son arrachement complet.The object of the invention is to provide a plug with which, after rotation thereof, the user can easily grasp a part of the cover and cause it to be completely torn off.

A cet effet, le bouchon d'obturation selon l'invention présente intérieurement une lame spiralée qui, lorsque le bouchon est vissé sur le col du récipient, pénêtre dans l'opercule précité et découpe une partie de celui-ci, la lame présentant une extrémité dite "arrière" en considérant le sens de rotation de la lame, qui est recourbée vers l'intérieur de la lame spiralée pour soulever l'opercule.To this end, the closure plug according to the invention has internally a spiral blade which, when the cap is screwed onto the neck of the container, penetrates into the aforementioned seal and cuts out part of it, the blade having a so-called "rear" end considering the direction of rotation of the blade, which is bent inwardly of the spiral blade to lift the cover.

Toujours selon l'invention, le bouchon d'ob­turation selon l'invention comporte à sa base une bague déchirable prenant appui sur le récipient et empêchant le vissage intempestif du bouchon tant que la lame précitée n'a pas pénétré dans l'opercule précité,Still according to the invention, the closure plug according to the invention comprises at its base a tearable ring bearing on the container and preventing untimely screwing of the plug as long as the aforementioned blade has not penetrated into the aforementioned seal,

D'autres détails et avantages de l'invention ressortiront de la description qui sera donnée ci-après d'un bouchon d'obturation selon l'invention. Cette description n'es donnée qu'à titre d'exemple et ne limite pas l'invention. Les notations de référence se rapportent aux figures ci-annexées.

  • La figure 1 est une vue en coupe du bouchon d'obturation clipsé sur le col d'un récipient et avant arrachage de la bande de sécurité.
  • La figure 2 est une vue de dessus montrant à la fois l'opercule entaillé et la lame spiralée du bouchon selon la figure 1.
Other details and advantages of the invention will emerge from the description which will be given below of a closure plug according to the invention. This description is given by way of example only and does not limit the invention. The reference notations refer to the appended figures.
  • Figure 1 is a sectional view of the closure plug clipped to the neck of a container and before tearing off the security strip.
  • Figure 2 is a top view showing both the notched cover and the spiral blade of the plug according to the figure 1.

Le bouchon 1 représenté par ces figures, présente intérieurement une première saillie 2, dite de clipsage, qui est destinée à enserrer la saillie externe 3 du col 4 du récipient 5.The plug 1 represented by these figures, internally has a first projection 2, called clipping, which is intended to enclose the external projection 3 of the neck 4 of the container 5.

Sur la partie supérieure du col 4 du réci­pient 5 est fixé, par un procédé de soudure par conduction, un opercule 6 qui a été fixé au préalable avant l'apposition du bouchon 1.On the upper part of the neck 4 of the container 5 is fixed, by a conduction welding process, a cover 6 which has been fixed beforehand before the plug 1 is affixed.

Le col 4 du récipient 5 présente également un pas de vis externe 7 destiné à coopérer avec un pas de vis interne 8, ménagé à l'intérieur de la partie cylindrique 9 du bouchon 1.The neck 4 of the container 5 also has an external screw thread 7 intended to cooperate with an internal screw thread 8, formed inside the cylindrical part 9 of the plug 1.

D'autre part, la partie cylindrique 9 du bouchon 1 présente une bague de sécurité ou bague déchirable 6, munie d'une languette d'arrachage 11. Tant que la bague 10 n'a pas été arrachée, le bouchon 1 ne peut pas être enfoncé dans l'opercule 10.On the other hand, the cylindrical part 9 of the plug 1 has a safety ring or tearable ring 6, provided with a tear-off tab 11. As long as the ring 10 has not been torn off, the plug 1 cannot be pressed into the cover 10.

La caractéristique essentielle du bouchon d'obturation selon l'invention est la présence, sur la face interne du bouchon 1, d'une lame spiralée 12. Cette lame spiralée 12 présente la caractéristique d'avoir son extrémité dite "arrière" 12ʹ légèrement recourbée vers l'intérieur de la spirale.The essential characteristic of the closure plug according to the invention is the presence, on the internal face of the plug 1, of a spiral blade 12. This spiral blade 12 has the characteristic of having its so-called "rear" end 12ʹ slightly curved inward of the spiral.

Ceci signifie que lorsque le bouchon 1 est vissé sur le col 4 du récipient 5 en faisant coopérer les pas de vis 7 et 8, la lame spiralée 12 est enfoncée dans l'opercule 6 et découpe dans celle-ci une entaille qui a une forme telle que l'utilisateur peut agripper cet opercule et l'arracher complètement. Ceci est rendu d'autant plus aisé que la partie recourbée 12ʹ de la lame spiralée 12 a relevée légèrement l'opercule vers le haut. Après dévissage du bouchon, l'utilisateur saisit aisément cette partie relevée de l'opercule et peut l'arracher entièrement.This means that when the plug 1 is screwed onto the neck 4 of the container 5 by making the threads 7 and 8 cooperate, the spiral blade 12 is pressed into the cover 6 and cuts therefrom a notch which has a shape such that the user can grasp this cover and completely tear it off. This is made all the more easy as the curved part 12ʹ of the spiral blade 12 has slightly raised the cover upwards. After unscrewing the cap, the user easily grasps this raised part of the cover and can tear it off entirely.

On sait en effet que les opercules qui obturent des bouteilles ou des récipients sont fréquemment entaillés au couteau et l'utilisateur a alors bien du mal à agripper une partie de l'opercule par l'arracher complètement, tandis qu'à l'aide du bouchon selon l'invention, muni de sa lame spiralée, cette opération d'arrachage est considérablement facilitée.It is known in fact that the lids which seal bottles or containers are frequently notched with a knife and the user then has great difficulty in grasping part of the lid by tearing it off completely, while using the plug according to the invention, provided with its spiral blade, this stripping operation is considerably facilitated.

Les pas de vis utilisé est, de toute évi­ dence, un pas rapide qui ne tolère pas un rotation sur 360° du bouchon, Dans ce cas, l'opercule se trouverait complètement découpé, ce qui n'est pas le but de l'invention.The screw thread used is, obviously dence, a rapid step which does not tolerate a 360 ° rotation of the stopper. In this case, the cover would be completely cut out, which is not the aim of the invention.

Il est entendu que l'invention n'est pas limitée à la forme d'exécution qui vient d'en être donnée et que bien des modifications pourraient y être apportées sans sortir du cadre de la présente demande de brevet.It is understood that the invention is not limited to the embodiment which has just been given and that many modifications could be made to it without departing from the scope of the present patent application.

Claims (3)

1. Bouchon d'obturation par vissage pour un récipient dont le col est muni d'un opercule déchirable, caractérisé en ce qu'il présente intérieurement une lame spiralée (12) qui, lorsque le bouchon (1) est vissé sur le col (4) du récipient (5) pénêtre dans o'opercule précité (6) et découpe une partie de celui-ci, la lame (12) présentant une extrémité dite "arrière" (12ʹ), en considérant le sens de rotation de la lame (12), qui est recourbée vers l'intérieur de la lame spiralée pour soulever l'opercule (6).1. Plug closure by screwing for a container whose neck is provided with a tearable lid, characterized in that it has internally a spiral blade (12) which, when the cap (1) is screwed on the neck ( 4) of the container (5) penetrates into the aforementioned operculum (6) and cuts part of it, the blade (12) having a so-called "rear" end (12ʹ), considering the direction of rotation of the blade (12), which is curved towards the inside of the spiral blade to lift the cover (6). 2. Bouchon d'obturation selon la revendi­cation 1, caractérisé en ce qu'il comporte à sa base, une bague déchirable (10) prenant appui sur le récipient (5) et empêchant le vissage intempestif du bouchon tant que la lame spiralée précitée (12) n'a pas pénétré dans l'opercule précité (6).2. Sealing plug according to claim 1, characterized in that it comprises at its base, a tearable ring (10) bearing on the container (5) and preventing untimely screwing of the plug as long as the aforementioned spiral blade ( 12) has not entered the aforementioned seal (6). 3. Bouchon d'obturation selon l'une quel­conque des revendications 1 et 2, caractérisé en ce que le bouchon et l'extrémité libre du col (4) du récipient (5) présente des saillies de clipsage.3. Sealing plug according to any one of claims 1 and 2, characterized in that the plug and the free end of the neck (4) of the container (5) has clipping projections.
EP87200542A 1986-07-11 1987-03-25 Screwcap for a container having a neck provided with a rupturable membrane Expired - Lifetime EP0252532B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87200542T ATE53809T1 (en) 1986-07-11 1987-03-25 ROTATING CAP FOR A CONTAINER WITH A RUPRATABLE MEMBRANE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE216911 1986-07-11
BE0/216911A BE905095A (en) 1986-07-11 1986-07-11 Screw cap for sealed bottles - has internal spiral blade, with inwards curved inner end, breaking and lifting seal

Publications (2)

Publication Number Publication Date
EP0252532A1 true EP0252532A1 (en) 1988-01-13
EP0252532B1 EP0252532B1 (en) 1990-05-02

Family

ID=3844058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87200542A Expired - Lifetime EP0252532B1 (en) 1986-07-11 1987-03-25 Screwcap for a container having a neck provided with a rupturable membrane

Country Status (6)

Country Link
EP (1) EP0252532B1 (en)
AT (1) ATE53809T1 (en)
CA (1) CA1334659C (en)
DE (1) DE3762505D1 (en)
ES (1) ES2014463B3 (en)
GR (1) GR3000556T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673601A1 (en) * 1991-03-08 1992-09-11 Astra Plastique Cap with integrated cutting device, equipped with a guarantee ring
EP0530677A1 (en) * 1991-09-04 1993-03-10 Tetra Laval Holdings & Finance SA An opening arrangement for a container package
US5255813A (en) * 1991-09-04 1993-10-26 Tetra Alfa Holdings S.A. Opening arrangement for a container package
CN102874470A (en) * 2012-09-17 2013-01-16 苏州市职业大学 Safe and healthful bottle cap

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621940A (en) * 1947-03-01 1949-04-22 Maurice Walter Hipperson A tool for use in removing the cardboard or like lid of a milk bottle
FR2049485A5 (en) * 1969-06-11 1971-03-26 Tard Francois
DE2153446A1 (en) * 1971-10-27 1973-05-03 Friedrich Mahne CONTAINER LID
FR2234206A1 (en) * 1973-06-25 1975-01-17 Finke Kunststoff Robert

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621940A (en) * 1947-03-01 1949-04-22 Maurice Walter Hipperson A tool for use in removing the cardboard or like lid of a milk bottle
FR2049485A5 (en) * 1969-06-11 1971-03-26 Tard Francois
DE2153446A1 (en) * 1971-10-27 1973-05-03 Friedrich Mahne CONTAINER LID
FR2234206A1 (en) * 1973-06-25 1975-01-17 Finke Kunststoff Robert

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673601A1 (en) * 1991-03-08 1992-09-11 Astra Plastique Cap with integrated cutting device, equipped with a guarantee ring
EP0530677A1 (en) * 1991-09-04 1993-03-10 Tetra Laval Holdings & Finance SA An opening arrangement for a container package
US5248054A (en) * 1991-09-04 1993-09-28 Tetra Alfa Holdings Sa Opening arrangement for a container package
US5255813A (en) * 1991-09-04 1993-10-26 Tetra Alfa Holdings S.A. Opening arrangement for a container package
CN102874470A (en) * 2012-09-17 2013-01-16 苏州市职业大学 Safe and healthful bottle cap

Also Published As

Publication number Publication date
GR3000556T3 (en) 1991-07-31
CA1334659C (en) 1995-03-07
ATE53809T1 (en) 1990-06-15
DE3762505D1 (en) 1990-06-07
EP0252532B1 (en) 1990-05-02
ES2014463B3 (en) 1990-07-16

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