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WO2003055764A1 - Fermeture inviolable - Google Patents

Fermeture inviolable Download PDF

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Publication number
WO2003055764A1
WO2003055764A1 PCT/EP2002/014025 EP0214025W WO03055764A1 WO 2003055764 A1 WO2003055764 A1 WO 2003055764A1 EP 0214025 W EP0214025 W EP 0214025W WO 03055764 A1 WO03055764 A1 WO 03055764A1
Authority
WO
WIPO (PCT)
Prior art keywords
tamper
container
cap part
evident
ring element
Prior art date
Application number
PCT/EP2002/014025
Other languages
German (de)
English (en)
Inventor
Frank Römer
Frank Mertens
Martin Albers
Original Assignee
Georg Menshen Gmbh & Co. Kg
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 Georg Menshen Gmbh & Co. Kg filed Critical Georg Menshen Gmbh & Co. Kg
Priority to AU2002361384A priority Critical patent/AU2002361384A1/en
Priority to EP02796601A priority patent/EP1458619A1/fr
Publication of WO2003055764A1 publication Critical patent/WO2003055764A1/fr

Links

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
    • B65D41/32—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
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3438—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being formed separately but connected to the closure

Definitions

  • the invention relates to a tamper-evident closure for closing a container opening on a container neck area, with a cap part and an originality part according to the preamble of claim 1.
  • Tamper-evident closures in which the intact presence of the tamper-evident part provides the consumer with an indication that no tampering with the contents of the container has been carried out, have long been known and are used for a wide variety of applications.
  • the required position fixing of the tamper-evident part in relation to the cap part is generally obtained by the fact that protrusion means, for example cams or collars projecting radially inwards, are provided on the tamper-evident part, which have an interrelated relationship to it when the closure is first screwed onto a container neck provided complementary projection means, for example also in the form of radially outwardly protruding cams or collars on the container part.
  • the natural flexibility of the tamper-evident part which can be made of a plastic material such as PS, PE, or PP, is sufficient for the cap and container-side projection means to slide past one another without problems, without excessive stress on the tamper-evident part, even in automatic sealing systems.
  • the invention has for its object to provide a tamper-evident closure of the generic type, in which, on the one hand, the position-fixing closure and container-side projection means can be easily moved past one another when screwing on, and on the other hand, the tamper-evident function is guaranteed by maintaining a reliable, stable position fixation of the tamper-evident closure on the container ,
  • the invention is intended to enable the provision of tamper-evident closures for small nominal dimensions and / or designs which have stiffening effects.
  • the locking means on the projection side are formed as shell-shaped projections on a ring element of the originality part. These formations have a free upper edge that creates a rear grip area.
  • the marginal edge is supported on a base in the form of a goblet or shell-like, preferably thin wall protruding from the ring element and extending inwards and upwards, which has a structurally stiffening effect due to the shape mentioned and thus an increased deformation rigidity under the axial forces acting on it Has. These forces only occur when the closures are unscrewed. This reliably guarantees the originality function.
  • the wall can easily yield elastically against the ring element under the radial forces acting on it.
  • the tamper-evident closure according to the invention preferably consists of a cap part and an originality part formed separately therefrom. This not only facilitates the formation of the bowl-shaped formations, but also enables the provision of Tamper-evident closures in which the cap and tamper-evident part can consist of different, for example differently colored, plastic materials.
  • Fig. 1 in longitudinal section a tamper-evident closure according to a
  • Fig. 2 in a perspective plan view of the originality part of the
  • Fig. 3 shows the originality part of FIG. 2 in a perspective bottom view.
  • the tamper-evident closure comprises a cap part bearing the general reference number 1 and a tamper-evident part 2 connected to the cap part 1 in the manner explained in more detail below.
  • the cap part 1 has a peripheral wall 3 and an upper cover wall 4 and can be by means of an on the inside the peripheral wall 3 provided screw thread 5 are screwed onto a neck region (not shown) of a container provided with a complementary screw thread in order to close a pouring opening defined on the container neck region.
  • a sealing cone 6 can be formed on the inside of the top wall 4 and can engage sealingly in the pouring opening.
  • the peripheral wall 3 can, as indicated at 7, be widened radially outwards.
  • the peripheral wall 3 ends at an end or end edge 8, on the side of which a plurality of axial blind holes in the bores 11 are made, which are arranged circumferentially distributed at a suitable angular distance from one another.
  • four bores 11 arranged at an angular distance of 90 ° from one another are provided.
  • the originality part 2 comprises a ring element 9, the outer circumferential surface of which can be axially and radially aligned with the outer circumferential surface of the radially expanded region 7 of the circumferential wall 3.
  • the ring element 9 can be circular or, as shown in FIGS. 2 and 3, in the form of a polygon.
  • a plurality of pins 10 protrude from an end edge of the ring element 9 opposite the end edge 8 of the cap part, which pins are aligned with the bores 11 and, as shown, can be received therein.
  • the pins 10 can be snap-fit (not shown) into the bores 11 or in some other suitable manner, e.g. by welding or gluing.
  • the pins 10 are dimensioned in cross-section such that they can be caused to tear or shear under a force of sufficient strength, which acts between the original part 2 and the cap part 1, so that the connection between the original part 2 and the cap part 1 is lost ,
  • a multiplicity of shell-shaped projections 12 arranged at an equal angular distance from one another are provided on the inner surface of the ring element 9.
  • 2 and 3 show that two pairs of diametrically opposite projections 12 are provided, more or fewer than two pairs can also be provided.
  • the shell-shaped projections 12 are preferably, as shown in FIGS. 2 and 3, provided on a ring element 9 designed as a polygon on opposite straight sides, while a pin 10 protrudes from the rounded corners of the polygon.
  • Each projection 12 is formed by a wall 15 formed on the inside of the ring element 9, which extends in the shape of a bowl or goblet inwards and upwards and defines a recess 16 which is open upwards against the cap part 1.
  • the wall 15 also creates an arcuate in the circumferential direction, preferably corrugated edge 13 pointing towards the cap part 1.
  • the wall 15 can have a small wall thickness of, for example, a few 1/10 mm to 1 mm.
  • the edge edges 13 of the shell-shaped formations 12 lie in a common radial plane. It is not necessary for the edge 13 of each shell-shaped projection 12 to lie in a radial plane along the entire circumferential extent. Rather, only a suitable section of the edge 13 or a plurality of sections spaced apart from one another can coincide with the radial plane.
  • a central region of the wall 15 of each shell-shaped projection 12, as indicated at 14, is preferably indented somewhat radially against the ring element 9, so that the edge 13 assumes a corrugated course.
  • Each bowl-shaped projection 12 has a circumferential extent, which corresponds to an arc length of the ring element 9, which includes a sector with an angle of at least 10 °, preferably 10 ° to 90 °, most preferably 30 to 45 °.
  • the cap part 1 and tamper-evident part 2 are preferably molded parts produced separately by injection molding of suitable plastic materials, which, as described, are connected to one another in a separate joining step via the tearable pin / bore connection, so that the formation of the shell-shaped projections 12 does not cause any manufacturing difficulties. If the molding tool is correspondingly complicated, the cap part 1 and originality part 2 could also represent an integral molding. In this case, the tearable connection could be designed in the form of short webs extending between the opposite end faces of the cap and tamper-evident part.
  • the shell-shaped projections 12 When the intact tamper-evident closure is screwed onto the container neck region, the shell-shaped projections 12 come into contact with complementary projection means (not shown), for example in the form of a radial from The neck portion of the protruding ring collar or individual cams with a somewhat larger radial dimension than the cross-sectional area of the tamper-evident part 2 left free by the shell-shaped formations 12.
  • the shell-shaped formations 12 must therefore yield somewhat radially in order to be able to be guided along the projection means on the container neck.
  • connection can be effected solely by axial tensile forces, in which case the tamper-evident ring 2 and the cap part 1 can initially rotate together when the tamper-evident closure is actuated in the unscrewing direction.
  • Means (not shown) can, however, be provided between the tamper-evident part 2 and the holder neck area, for example in the form of stop cams, which prevent the tamper-evident part 2 from rotating together with the cap part 1. Under these circumstances, the tearable connection would be destroyed primarily by shear forces.
  • a snap connection could also be provided, in which case the tamper-evident closure can be assembled by so-called bouncing.

Landscapes

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

Abstract

La présente invention concerne une fermeture inviolable destinée à refermer une ouverture de récipient au niveau d'une zone de col de celui-ci, ledit système comprenant une partie capuchon (1) pouvant être fixée au niveau de la zone de col et une partie inviolable (2) comportant un élément annulaire (9). La partie inviolable est reliée à la partie capuchon par un élément de liaison (10, 11) qui peut être rompu par l'action d'une force extérieure, et présente un système en saillie dépassant radialement de l'élément annulaire vers l'intérieur et pouvant s'encliqueter au niveau de la zone de col avec des éléments d'encliquetage complémentaires afin de fixer la partie inviolable vis-à-vis de la zone de col de sorte que le retrait de la partie capuchon de la zone de col est automatiquement accompagné de la rupture de l'élément de liaison. Ce système en saillie comprend des éléments (12) sensiblement cupuliformes disposés au moins au niveau de zones diamétralement opposées de l'élément annulaire (9), comprenant respectivement une paroi (15) incurvée vers l'intérieur et contre la partie capuchon, qui est limitée par une arête marginale (13) faisant face à la partie capuchon, qui peut s'encliqueter avec l'élément d'encliquetage côté récipient.
PCT/EP2002/014025 2001-12-27 2002-12-10 Fermeture inviolable WO2003055764A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002361384A AU2002361384A1 (en) 2001-12-27 2002-12-10 Tamper-proof closure
EP02796601A EP1458619A1 (fr) 2001-12-27 2002-12-10 Fermeture inviolable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120965.9 2001-12-27
DE20120965U DE20120965U1 (de) 2001-12-27 2001-12-27 Originalitätsverschluss

Publications (1)

Publication Number Publication Date
WO2003055764A1 true WO2003055764A1 (fr) 2003-07-10

Family

ID=7965674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/014025 WO2003055764A1 (fr) 2001-12-27 2002-12-10 Fermeture inviolable

Country Status (4)

Country Link
EP (1) EP1458619A1 (fr)
AU (1) AU2002361384A1 (fr)
DE (1) DE20120965U1 (fr)
WO (1) WO2003055764A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865461A1 (fr) * 2004-01-27 2005-07-29 Plasturgie Haute Performance P Bouteille en verre munie d'un bouchon a vis
US20210290490A1 (en) * 2014-12-16 2021-09-23 Tessy Plastics Corporation Box with tamper band and method of manufacturing the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014952A1 (de) 2008-03-19 2009-09-24 Z-Werkzeugbau-Gmbh Schraubkappe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734034A1 (de) * 1987-10-08 1989-05-18 Vaw Folien Verarb Gmbh Flaschenverschluss
WO1989010875A1 (fr) * 1988-05-11 1989-11-16 Thoroughbred Plastics Corp. Fermeture a alteration visible et son procede de fabrication
US4971212A (en) * 1989-10-06 1990-11-20 Owens-Illinois Closure Inc. Tamper indicating packages
DE29501273U1 (de) * 1994-04-29 1995-03-30 Remy & Geiser KG, 56584 Anhausen Originalitätsverschluß
WO1997033799A1 (fr) * 1996-03-12 1997-09-18 Crown Cork Ag Bouchon en plastique garantissant l'inviolabilite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734034A1 (de) * 1987-10-08 1989-05-18 Vaw Folien Verarb Gmbh Flaschenverschluss
WO1989010875A1 (fr) * 1988-05-11 1989-11-16 Thoroughbred Plastics Corp. Fermeture a alteration visible et son procede de fabrication
US4971212A (en) * 1989-10-06 1990-11-20 Owens-Illinois Closure Inc. Tamper indicating packages
DE29501273U1 (de) * 1994-04-29 1995-03-30 Remy & Geiser KG, 56584 Anhausen Originalitätsverschluß
WO1997033799A1 (fr) * 1996-03-12 1997-09-18 Crown Cork Ag Bouchon en plastique garantissant l'inviolabilite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865461A1 (fr) * 2004-01-27 2005-07-29 Plasturgie Haute Performance P Bouteille en verre munie d'un bouchon a vis
US20210290490A1 (en) * 2014-12-16 2021-09-23 Tessy Plastics Corporation Box with tamper band and method of manufacturing the same

Also Published As

Publication number Publication date
EP1458619A1 (fr) 2004-09-22
DE20120965U1 (de) 2002-03-21
AU2002361384A1 (en) 2003-07-15

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