EP0252532B1 - 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

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Publication number
EP0252532B1
EP0252532B1 EP87200542A EP87200542A EP0252532B1 EP 0252532 B1 EP0252532 B1 EP 0252532B1 EP 87200542 A EP87200542 A EP 87200542A EP 87200542 A EP87200542 A EP 87200542A EP 0252532 B1 EP0252532 B1 EP 0252532B1
Authority
EP
European Patent Office
Prior art keywords
container
cover
neck
blade
spiral blade
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
EP87200542A
Other languages
German (de)
French (fr)
Other versions
EP0252532A1 (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

  • the present invention relates to a screw-on closure cap for a container, the neck of which is provided with a tearable lid, having on the inside a spiral blade which, when the cap is screwed on the neck of the container, penetrates into the aforementioned lid and cut out part of it.
  • French patent 2,049,485 although aimed at the field of tin, lead or aluminum tubes intended for the packaging of pasty products or the like, describes a threaded plug provided with an internal extension intended to cut or perforate the cover of the guarantee for a metal tube for pasty products. If the solution advocated by this French patent or a similar solution were adopted for cutting out lids with which screw-on closure plugs are fitted of the type described by the present application, it is obvious that the user would have difficulty recovering the cut-out part of the cover, the latter still being, after the cutting operation, in the general plane of the cover.
  • a solution has therefore been recommended which allows the user to grasp the part of the lid which has been cut without the risk of seeing it fall into the product contained in the container and also without risk for the user after having cut a part of the cover, do not immerse it in the contents of the container by wanting to remove this cut part.
  • the plug blade according to the present application has a so-called "rear" end, considering the direction of rotation of the blade, which is bent inwardly of the spiral blade to lift the '' seal.
  • the stopper according to the invention comprises at its base a tearable ring bearing on the container and preventing untimely screwing of the stopper 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 10, 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 pitch of the screw used is, obviously, a quick 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 purpose of the invention.

Landscapes

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

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

La présente invention concerne un bouchon d'obturation par vissage pour un récipient dont le col est muni d'un opercule déchirable, présentant intérieurement une lame spiralée qui, lorsque le bouchon est vissé sur le col du récipient, pénètre dans l'opercule précité et découpe une partie de celui-ci.The present invention relates to a screw-on closure cap for a container, the neck of which is provided with a tearable lid, having on the inside a spiral blade which, when the cap is screwed on the neck of the container, penetrates into the aforementioned lid and cut out part of it.

Le brevet français 2 049 485, quoique visant le domaine des tubes en étain, plomb ou aluminium destinés au conditionnement de produits pâteux ou analogues décrit un bouchon taraudé muni d'un prolongement intérieur destiné à découper ou à perforer l'opercule de garantie d'un tube métallique pour produits pâteux. Si la solution préconisée par ce brevet français ou une solution analogue était adoptée au découpage d'opercules dont sont équipés des bouchons d'obturation par vissage du type décrit par la présente demande, il est bien évident que l'utilisateur aurait du mal à récuperer la partie découpée de l'opercule, celle-ci se trouvant toujours, après l'opération de découpage, dans le plan générale de l'opercule.French patent 2,049,485, although aimed at the field of tin, lead or aluminum tubes intended for the packaging of pasty products or the like, describes a threaded plug provided with an internal extension intended to cut or perforate the cover of the guarantee for a metal tube for pasty products. If the solution advocated by this French patent or a similar solution were adopted for cutting out lids with which screw-on closure plugs are fitted of the type described by the present application, it is obvious that the user would have difficulty recovering the cut-out part of the cover, the latter still being, after the cutting operation, in the general plane of the cover.

Il a donc été préconisé une solution qui permet à l'utilisateur de saisir la partie de l'opercule qui a été découpée sans risque de voir celle-ci tomber dans le produit contenu dans le récipient et sans risque également que l'utilisateur après avoir découpé une partie de l'opercule, ne plonge celle-ci dans le contenu du récipient en voulant retirer cette partie découpée.A solution has therefore been recommended which allows the user to grasp the part of the lid which has been cut without the risk of seeing it fall into the product contained in the container and also without risk for the user after having cut a part of the cover, do not immerse it in the contents of the container by wanting to remove this cut part.

Pour réaliser cet objectif conformément à l'invention, la lame du bouchon selon la présente demande présente 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 achieve this objective in accordance with the invention, the plug blade according to the present application has a so-called "rear" end, considering the direction of rotation of the blade, which is bent inwardly of the spiral blade to lift the '' seal.

Toujours selon l'invention, le bouchon 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 stopper according to the invention comprises at its base a tearable ring bearing on the container and preventing untimely screwing of the stopper 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.
  • FIG. 2 is a top view showing both the notched cover and the spiral blade of the stopper according to FIG. 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 10, 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 10, 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" 12' 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 12 '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 12' 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 easier since the curved part 12 ′ 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 pitch of the screw used is, obviously, a quick 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 purpose of the invention.

Claims (3)

1. A screw-type sealing cap (1), for a container (5) whose neck (4) is provided with a tear-off cover (6), comprising intemally 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).
2. A sealing cap according to claim 1, characterised in that at its base it comprises a tear-off band (10) which bears against the container (5) and prevents the cap from being inadvertently unscrewed until said spiral blade (12) penetrates into said cover (6).
3. A sealing cap according to either of claims 1 and 2, characterised in that the cap and the free end of the neck (4) of the container (5) have clip- type 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 EP0252532A1 (en) 1988-01-13
EP0252532B1 true 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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673601B1 (en) * 1991-03-08 1993-05-28 Astra Plastique PLUG WITH INTEGRATED CUTTING DEVICE, EQUIPPED WITH A GUARANTEE RING.
SE469025B (en) * 1991-09-04 1993-05-03 Tetra Alfa Holdings OPENING DEVICE FOR A PACKAGING CONTAINER
SE468893B (en) * 1991-09-04 1993-04-05 Tetra Alfa Holdings OPENING DEVICE FOR PACKAGING CONTAINERS
CN102874470A (en) * 2012-09-17 2013-01-16 苏州市职业大学 Safe and healthful bottle cap

Family Cites Families (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
DE2332155C3 (en) * 1973-06-25 1984-08-02 Robert Finke Kunststoff-Spritzguss-Werk, 5950 Finnentrop Screw cap closure for bottles, tubes, etc. container

Also Published As

Publication number Publication date
GR3000556T3 (en) 1991-07-31
CA1334659C (en) 1995-03-07
ATE53809T1 (en) 1990-06-15
EP0252532A1 (en) 1988-01-13
DE3762505D1 (en) 1990-06-07
ES2014463B3 (en) 1990-07-16

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