EP0254673B1 - Couvercle de récipient muni d'une bague de garantie - Google Patents

Couvercle de récipient muni d'une bague de garantie Download PDF

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Publication number
EP0254673B1
EP0254673B1 EP87810309A EP87810309A EP0254673B1 EP 0254673 B1 EP0254673 B1 EP 0254673B1 EP 87810309 A EP87810309 A EP 87810309A EP 87810309 A EP87810309 A EP 87810309A EP 0254673 B1 EP0254673 B1 EP 0254673B1
Authority
EP
European Patent Office
Prior art keywords
closure
ring
edge
safety band
band according
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
EP87810309A
Other languages
German (de)
English (en)
Other versions
EP0254673A1 (fr
Inventor
Theodor Schöttli
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.)
Interplastic AG
Original Assignee
Interplastic AG
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 Interplastic AG filed Critical Interplastic AG
Publication of EP0254673A1 publication Critical patent/EP0254673A1/fr
Application granted granted Critical
Publication of EP0254673B1 publication Critical patent/EP0254673B1/fr
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
    • B65D41/32—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
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
    • B65D41/3452—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges with drive means between closure and tamper element
    • 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
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal
    • 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
    • B65D2401/15—Tearable part of the closure
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the invention relates to a security band on a container closure made of thermoplastic material according to the preamble of claim 1.
  • Security tapes also called guarantee tapes, in particular for bottle closures are known. They serve to secure the bottle contents against unauthorized opening. The safety band must therefore be easily and visibly damaged when opening the cap or bottle for the first time.
  • Security tapes of this type have the disadvantage that they can be damaged by heating, e.g. by hand, so far that the cap can be removed from the bottle together with the safety strap without damage.
  • Another disadvantage of these known closures is that the security band gets stuck on the bottle neck and during recycling, i.e. must be removed in a separate operation before reusing or recycling the bottle.
  • the invention seeks to remedy this.
  • the invention solves the problem of creating a security band for a plastic bottle cap of the type mentioned in the preamble of claim 1, which certainly does not suffer any damage when the cap is attached to the bottle neck and when the cap is unscrewed (opening the bottle), the cap is immediately and clearly visible, at least partially detached from the cap.
  • the advantages achieved by the invention can essentially be seen in the fact that the security band, which is part of the closure, can be applied to the container with the closure in a single operation and with existing closure machines. Damage to the security band during screwing of the closure onto the container can be prevented thanks to the partly elastic, partly essentially rigid connection of the band to the closure in spite of large manufacturing tolerances, particularly in the case of glass containers.
  • the security band is separated from the closure in a predetermined area due to the tensile forces acting on it.
  • the severed tape remains attached to the closure and is also held in a position that protrudes outwards and / or downwards from the closure. It is no longer possible to bend it back or put it on the bottle neck due to the plastic deformation of the connecting web when the closure is opened.
  • FIG. 1 A perspective view according to FIG. 1 shows a plastic closure 1 with a security band 2 in a view from below.
  • the closure 1 is not the subject of the invention, and its features with regard to the spatial shape and the sealing means necessary for a tight closure inside the closure 1 are neither shown nor explained in detail.
  • the security band 2 is attached in the form of an essentially circular cylinder-shaped ring 5.
  • the ring 5 is essentially rigidly and inseparably or separably connected to the closure 1 by means of two connecting webs 7 and 9.
  • the cross section of the ring 5 is significantly reduced at point B by a constriction 11.
  • the constriction 11 preferably only has the thickness of a skin at its thinnest point.
  • the ring 5 on the constriction 11 can be narrowed by an acute-angled notch 13.
  • the connecting web 9 is located at a distance from the connecting web 7, which is preferably less than half the circumference of the ring 5.
  • the ring 5 is axially divided by an incision 15 which preferably ends at an acute angle.
  • the separation point at the incision 15 can also be bridged with a thin skin, the strength of which is negligible is small, but optically makes the ring 5 appear in one piece before it is torn when opening or removing a ring section (indicated by broken lines).
  • the ring 5 can thus be divided into a substantially rigid and inseparably connected shorter ring section 17 and a longer ring section 19 elastically connected to the closure 1.
  • the ring section 19 is connected to the closure 1 at point A only by a very narrow connecting web 21.
  • the weakest point of the connecting web 21 is preferably exactly determined by a notch 23.
  • a tangential holding cam 25 is attached at a short distance from the incision 15 or directly thereafter on the inside.
  • Another holding cam 25 can also be arranged directly after the constriction 11 or at a short distance from it. Further holding cams 25 can also be provided at regular or irregular intervals on the inside of the ring sections 17 and 19.
  • the ring section 19 is separated by at least one predetermined breaking point 27, e.g. a thread-like web, or another trained, defined breakable connection connected to the closure 1.
  • No holding cam 25 is attached directly above the predetermined breaking point 27.
  • the web 27 is preferably between 25 holding cams.
  • the ring 5 lying at a distance from the edge 3 of the closure 1 has support cams 29 directed against the edge 3 of the closure 1 at substantially regular intervals.
  • the free end of the support cams 29 is at a short distance - as shown in FIG. 4 - or in direct contact with the edge 3.
  • a foot 31 is preferably attached to the support cams 29, so that a wide contact surface for the edge 3 of the closure 1 is created .
  • the contact surface can run parallel or inclined to the edge 3.
  • the ring 5 can be provided with a circumferential rib 33.
  • the rib 33 can also be interrupted at the point A and the cross section of the constriction 11 can also be reduced.
  • FIG. 2 which shows a section through the closure along the edge 3
  • the shorter length of the ring section 17 with the two webs 7 and 9 connecting this ring section and the adjacent incision 15 and the constriction 11 is clearly visible.
  • the holding cams 25 are designed to overflow into the ring 5 essentially without transition.
  • the predetermined breaking point 27 has a smallest diameter that is approximately two to ten times less than the thickness d of the ring 5.
  • a ring 5 with support cams 29 distributed over the circumference instead of a ring 5 with support cams 29 distributed over the circumference, a ring 5 with circumferential support 30 can also be provided.
  • flanks of the support 30 do not have to run in a straight line; they can also be arched (indicated by broken lines in FIG. 5) or kinked.
  • the closure 1 with the securing band 2 attached to it is screwed onto the thread 43 of a bottle 41 or another opening provided with a thread 43 in a conventional manner with a sealing machine.
  • the shorter ring section 17 essentially remains in its position relative to the closure 1.
  • the longer ring section 19 is pushed radially outwards by the thread 43 and in particular by the circumferential bead 37 following the thread 43 at the mouth 39.
  • the elastic connection at point A, in particular the thin connecting web 21 and the predetermined breaking point 27 and the constriction 11 enable this radial movement without being damaged in the process.
  • the ring section 19 and 17 if there are cams, jumps back into the original position and hooks on the underside of the bead 37, the flank of which lies essentially radially to the bottle neck 39.
  • the ring 5 is always supported by the support cams 29 or the circumferential support 30 on the closure 1.
  • the retaining cams 25 come into axial contact from below with the essentially radially extending lower flank of the bead 37 and are held back by the latter. Due to the forces acting on the ring section 19 via the retaining cams 25, the part of the ring section 19 located behind the predetermined breaking point 27 in the direction of rotation is held back under the bead 37 on the bottle neck 39, while the closure 1 is guided axially upward. With increasing distance between the ring section 19 and the edge 3 of the closure 1, the tensile force on the predetermined breaking point 27 becomes so great that it breaks. Now the ring section 19 held only on the constriction 11 and on the web 21 is held between the two connection points under the bead 37 of the bottle 1.
  • connection When the closure 1 is unscrewed further, or at the latest when the closure 1 is removed, the connection also tears at the constriction 11.
  • the connection at point A is retained since the notch 23 allows the ring section 19 to be pivoted like a hinge.
  • the plastic deformation of the connecting web 21 has the effect that the ring section 19 partially separated from the closure 1 cannot spring back into the original position and / or can easily be torn off. Once the security band 2 has been torn open, it cannot be put back on the closure 1.

Landscapes

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

Claims (8)

1. Bague de sécurité (2) d'un couvercle de récipient (1) en matière thermoplastique, qui est constituée par un anneau (5) périphérique et élastique en direction radiale, qui est relié au bord (3) du couvercle par plusieurs branches de liaison (7, 9) et qui comprend sur le côté interne de l'anneau (5) une ou plusieurs saillies. de retenue (25) dirigées tangentiellement, caractérisée en ce que
a) l'anneau (5) comprend deux sections de longueurs inégales (17, 19),
b) les sections (17, 19) sont limitées par des découpes (11, 15) en des positions (A, B) de l'anneau (5),
c) la section la plus courte (17) est reliée au bord (3) du couvercle par deux branches (7, 9) ne pouvant être séparées du couvercle (1) et ces branches sont prévues directement au voisinage des positions (A, B), et
d) la section la plus longue (19) est reliée au bord (3) du couvercle par au moins une position de rupture de consigne (27) située entre les positions (A et B) et constituée de préférence par une branche en forme de fil.
2. Bague de sécurité selon la revendication 1, caractérisée en ce que la section annulaire la plus courte (17) est reliée au bord du couvercle (1) de façon sensiblement rigide et inséparable par des branches (7, 9) et la section annulaire la plus longue (19) est reliée au bord du couvercle (1) par une branche (21) de constitution élastique et par le rétrécissement (11) qui relie directement les deux sections annulaires (17, 19) l'une à l'autre.
3. Bague de sécurité selon la revendication 1 ou 2, caractérisée en ce que les sections annulaires (17, 19) comprennent au moins chacune une saillie d'appui (29) dirigée vers le bord du couvercle (1) mais non reliée à ce dernier, ou un appui périphérique et continu (30).
4. Bague de sécurité selon la revendication 3, caractérisée en ce qu'un pied (31) formant une large surface d'appui est constitué sur la saillie d'appui (29) ou sur l'appui périphérique et continu (30), pied dont la surface d'appui est tournée vers le bord (3) du couvercle (1) et est parallèle et inclinée par rapport à ce dernier.
5. Bague de sécurité selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'une nervure de renforcement (33) est constituée sur l'anneau (5).
6. Bague de sécurité selon la revendication 5, caractérisée en ce que la nervure (33) est interrompue au niveau de la position (A) et sa section est diminuée au niveau du rétrécissement (11).
7. Bague de sécurité selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'une saillie de retenue (35) est prévue sur la section annulaire la plus longue (19) directement au voisinage du rétrécissement (11) et/ou de la découpe (15).
8. Bague de sécurité selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'aucune saillie de retenue (15) n'est prévue dans la région située directement au-dessus de la position de rupture de consigne (27).
EP87810309A 1986-07-11 1987-05-25 Couvercle de récipient muni d'une bague de garantie Expired - Lifetime EP0254673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2794/86 1986-07-11
CH279486 1986-07-11

Publications (2)

Publication Number Publication Date
EP0254673A1 EP0254673A1 (fr) 1988-01-27
EP0254673B1 true EP0254673B1 (fr) 1990-04-18

Family

ID=4241734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810309A Expired - Lifetime EP0254673B1 (fr) 1986-07-11 1987-05-25 Couvercle de récipient muni d'une bague de garantie

Country Status (5)

Country Link
US (1) US4744479A (fr)
EP (1) EP0254673B1 (fr)
DE (1) DE3762328D1 (fr)
ES (1) ES2016114B3 (fr)
IL (1) IL82789A0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613364C1 (de) * 1996-04-03 1997-11-20 Weis Kg Schraubverschlußkappe aus Kunststoff und Verfahren zu deren Herstellung
EP0965533A1 (fr) 1998-06-18 1999-12-22 Mouldtec Kunststoff GmbH Bouchon de fermeture, en particulier bouchon fileté en plastique avec une bande de garantie

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0371920B1 (fr) * 1988-11-28 1993-07-07 Crown Cork AG Fermeture à vis avec bande de garantie
US5248050A (en) * 1990-04-27 1993-09-28 Crown Cork Ag Cap having expandable guarantee strip
NO911503L (no) * 1990-04-27 1991-10-28 Crown Cork Ag Skrukappe med et garantibaand som er utvidbart ved foerstegangs oppskruing.
CA2061184A1 (fr) * 1991-05-08 1992-11-09 Juan Pujol Almirall Rondelle etanche pour bouchons de bouteille
US5176270A (en) * 1991-05-22 1993-01-05 Guala S.P.A. Tamperproof closure for bottles and the like
US5853095A (en) * 1992-12-18 1998-12-29 White Cap, Inc. Tamper evident splitting closure
JP3051637B2 (ja) * 1993-07-19 2000-06-12 株式会社吉野工業所 キャップ
ES1028707U (es) * 1993-09-03 1995-03-01 Novembal Sa Tapon de rosca con anillo de inviolabilidad.
FR2710325B1 (fr) * 1993-09-22 1995-12-08 Jacques Perchepied Bouchon à visser.
FR2718714B1 (fr) * 1994-04-15 1996-07-19 Rical Sa Capsule à vis pour le bouchage du goulot d'un récipient.
US5484071A (en) * 1994-05-23 1996-01-16 Zumbuhl; Bruno Tamper indicating ring construction for closures
IT1274907B (it) 1994-09-20 1997-07-25 Pelliconi Abruzzo Srl Capsula in plastica con fascetta di garanzia.
US5957315A (en) * 1996-12-17 1999-09-28 Japan Crown Cork Co., Ltd. Plastic container closure with tamper evident properties
JP3847868B2 (ja) * 1996-12-17 2006-11-22 日本クラウンコルク株式会社 タンパーエビデント特性を備えた合成樹脂製容器蓋
US6053344A (en) 1998-07-02 2000-04-25 Owens-Illinois Closure Inc. Tamper-indicating closure and method of manufacture
ITBS20060190A1 (it) 2006-10-27 2008-04-28 Guala Pack Spa Tappo per contenitore munito di sigillo di garanzia
CA3013581A1 (fr) * 2016-02-02 2017-08-10 Niagara Bottling, Llc Ponts indicateurs d'effraction
US11214410B2 (en) 2016-02-02 2022-01-04 Niagara Bottling, Llc Tamper evidence container closure
WO2018020532A1 (fr) 2016-07-29 2018-02-01 株式会社吉野工業所 Contenant
US11597556B2 (en) 2018-07-30 2023-03-07 Niagara Bottling, Llc Container preform with tamper evidence finish portion
US11214414B2 (en) * 2019-09-18 2022-01-04 Silgan White Cap LLC Tamper evident flip cap
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
US20220041339A1 (en) * 2020-08-07 2022-02-10 Niagara Bottling, Llc Single anchor closure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU426744B2 (en) * 1967-12-07 1972-08-01 Containers Limited Pilfer-proof closure and method and apparatus for its manufacture
GB1592689A (en) * 1977-12-23 1981-07-08 Patel C S Pilfer-proof closure for containers
FR2454977A1 (fr) * 1979-04-27 1980-11-21 Astra Plastique Perfectionnements aux capsules de bouchage a bague de garantie
IT1130776B (it) * 1980-05-28 1986-06-18 Guala Angelo Spa Chiusura di garanzia per bottiglie
US4418828A (en) * 1981-07-24 1983-12-06 H-C Industries, Inc. Plastic closure with mechanical pilfer band
CH653307A5 (de) * 1981-12-11 1985-12-31 Walter Wiedmer Schraubverschluss mit garantiestreifen fuer behaelter.
CA1180303A (fr) * 1982-06-03 1985-01-02 Jean P. Richard Capuchon inviolable
ES273813Y (es) * 1983-07-29 1984-07-01 Vem De Tapas Metalicas S.A. Tapon para envases
EP0308995A3 (fr) * 1984-01-18 1989-04-05 Japan Crown Cork Co. Ltd. Fermeture incrochetable en matière plastique pour récipients
US4557393A (en) * 1984-04-17 1985-12-10 Continental White Cap, Inc. Snap-on cap with tethering strap
US4548329A (en) * 1984-08-16 1985-10-22 Curry John J Child resistant/tamper resistant cap
US4572387A (en) * 1985-03-01 1986-02-25 Sunbeam Plastics Corporation Screw-type safety cap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613364C1 (de) * 1996-04-03 1997-11-20 Weis Kg Schraubverschlußkappe aus Kunststoff und Verfahren zu deren Herstellung
EP0965533A1 (fr) 1998-06-18 1999-12-22 Mouldtec Kunststoff GmbH Bouchon de fermeture, en particulier bouchon fileté en plastique avec une bande de garantie

Also Published As

Publication number Publication date
ES2016114B3 (es) 1990-10-16
EP0254673A1 (fr) 1988-01-27
US4744479A (en) 1988-05-17
IL82789A0 (en) 1987-12-20
DE3762328D1 (de) 1990-05-23

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