EP0009525B1 - Améliorations concernant les fermetures articulées de récipients - Google Patents

Améliorations concernant les fermetures articulées de récipients Download PDF

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Publication number
EP0009525B1
EP0009525B1 EP78300479A EP78300479A EP0009525B1 EP 0009525 B1 EP0009525 B1 EP 0009525B1 EP 78300479 A EP78300479 A EP 78300479A EP 78300479 A EP78300479 A EP 78300479A EP 0009525 B1 EP0009525 B1 EP 0009525B1
Authority
EP
European Patent Office
Prior art keywords
band
container
cap part
closure according
hinged closure
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
Application number
EP78300479A
Other languages
German (de)
English (en)
Other versions
EP0009525A1 (fr
Inventor
Stephen John Percival
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.)
Johnsen and Jorgensen Plastics Ltd
Original Assignee
Johnsen and Jorgensen Plastics Ltd
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 Johnsen and Jorgensen Plastics Ltd filed Critical Johnsen and Jorgensen Plastics Ltd
Priority to EP78300479A priority Critical patent/EP0009525B1/fr
Priority to DE7878300479T priority patent/DE2861185D1/de
Publication of EP0009525A1 publication Critical patent/EP0009525A1/fr
Application granted granted Critical
Publication of EP0009525B1 publication Critical patent/EP0009525B1/fr
Expired 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • 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
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • B65D41/485—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/25—Non-metallic tear-off strips

Definitions

  • This invention relates to hinged closures for bottles and the like hereinafter simply called containers.
  • the hinged closures to which the invention relates comprise a cap part, a tear band, an anchor band and a hinge to connect the cap part to the anchor band.
  • These hinged closures have in the past few years achieved a very considerable success commercially and our hinged closures known under the Registered Trade Mark JAYCAP and manufactured under British Patent No. 812580 are to be found on many different containers including bottles of still soft drink such as orange squash.
  • prior British specification No. 1390358 describes a snap-on closure for a container comprising a plug portion adapted to enter and seal the mouth of the container, an annular portion adapted to embrace the outside periphery of the neck portion of the container and to be retained in situ during opening and closing of the container, the plug portion being attached to the annular portion through a readily breakable portion formed on the upwardly facing part of the closure and extending at least along the major portion of the periphery of the plug portion, and hinge means connecting the plug portion to the annular portion and adapted to maintain said connection on breaking said breakable portion by relative movement between the plug portion and the annular portion.
  • Prior British Specification No. 1390358 also discloses a snap-on closure, for a container, including a plug portion adapted to enter and seal the mouth of the container and an annular portion to embrace the outside of the container neck, the two portions being interconnected by a breakable portion in the form of a weak breaking line e.g. a score line or a series of bridges.
  • a weak breaking line e.g. a score line or a series of bridges.
  • a hinged closure for closing the mouth of a container comprises a cap part, an integral anchor band adapted to embrace the neck of the container or that part of the container wall adjacent the mouth of the container and means for separating the anchor band from the cap part circumferentially except over a narrow interconnecting zone which constitutes a hinge, characterised in that the means for separating the cap part from the anchor band comprises a tear band defined by two lines of weakness, the tear band extending over substantially less than the full circumference of the closure, and a single line of weakness extending over the rest of the circumference of the closure except for the hinge.
  • the closure comprises a cap part 1, a tear band 2 and an anchor band 3.
  • the cap part 1 is centrally dished at 4 and has a depending plug 5 for insertion into the mouth of a container.
  • the plug 5 has an external annular bead 6 and two annular lamellas 7 which seat against the inside of the mouth of a container.
  • the cap part 1 also has further annular sealing beads 8 and 9 and the bottom of the plug 5 is shaped to provide an oblique line 10 when inspected from the side.
  • the tear band 2 in the example illustrated extends for about 90° around the closure, that is 45° on each side of a thumb tab 11 and the tear band 2 is connected to the cap part 1 by a weakened membrane 12 and to the anchor band 3 by a weakened membrane 13.
  • the weakened membrane 12 ends at each end 14 of the tear band 2 but the weakened membrane 13 extends on around the closure to the hinge 15 to form two arcuate weakened lines.
  • the anchor band 3 has a large main internal retaining bead 16 and a smaller auxiliary bead 17.
  • the tear band 20 In operation when it is desired to open a container which is closed by a closure as illustrated the tear band 20 is torn away by seizing a finger grip 18 and pulling the tear band 2 around the closure in the usual way.
  • the tear band 2 has been torn to the end 14 upward pressure is exerted on the tab 11 to push the cap part 1 away from the anchor band 3 so that the rest of the weakened line 13 between the end 14 of the tear band 2 and the hinge 15 is broken and the cap part 1 pivots upwardly on the hinge 15.
  • the arc of the tear band 2 will be small e.g. 90° while with the lower pressures the arc of the tear band 2 may be longer.
  • tonic water with a pressure of about 120 p.s.i. (8.44 kg/cm 2 ) has the highest pressure of any aerated soft drinks and to provide a hinged closure with a satisfactory safety margin for such a pressure we have found that the tear band 2 should extend around the closure for not more than 45° on each side of the tab 11 i.e. 90° in all.
  • FIG 4 which plots Ibs/ins 2 (Kg/cm 2 ) of pressure within a container against the arcuate degrees of the tear band 2 and shows that to reduce the tear band 2 from substantially 360° to 180° does not make much improvement after which a quick improvement sets in until with a 90° tear band 2 blowing open does not occur on tearing away until a pressure of about 145 p.s.i. (10.12 kg/cm 2 ) within a container is reached.
  • the pressures plotted are averages obtained from ten samples each at 90°, 120°, 150°, 180°, and a complete tear band.

Landscapes

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

Claims (10)

1. Fermeture à charnière pour obturer l'embouchure d'un récipient, comprenant une partie (1) formant couvercle, une bande d'ancrage (3) en faisant partie intégrante et apte à entourer le collet du récipient ou la partie de la paroi du récipient proche de l'embouchure du récipient, et des moyens pour séparer circon- férentiellement la bande d'ancrage (3) de la partie (1) formant couvercle à l'exception d'une étroite région de liaison qui constitue une charnière (15), caractérisée en ce que les moyens pour séparer la partie (1) formant couvercle de la bande d'ancrage (3) comprennent une bande d'arrachage (2) définie par deux lignes d'affaiblissement (12 et 13), la bande d'arrachage (2) s'étendant sur sensiblement moins de la totalité de la circonférence de la fermeture, et une unique ligne d'affaiblissement (13) s'étendant sur le reste de la circonférence de la fermeture à l'exception de la charnière (15).
2. Fermeture à charnière selon la revendication 1, caractérisée en ce que les moyens pour séparer la bande d'ancrage (3) de la partie (1) formant couvercle comprennent une bande d'arrachage (2) partiellement arquée située à l'opposé de la region de liaison constituant la charnière (15) et une ligne d'affaiblissement (13) de chaque côté de la charnière (15) entre la bande d'arrachage (2) et la charnière (15).
3. Fermeture à charnière selon la revendication 2, caractérisée en ce que la bande d'arrachage arquée (2) s'étend sur 90°.
4. Fermeture à charnière selon la revendication 2, caractérisée en ce que les lignes d'affaiblissement (12 et 13) comprennent une membrane partielle épaissie ou des barres (20) qui résistent à l'arrachement de manière que, lorsque la bande d'arrachage partielle (2) est arrachée, une fraction de la partie (1) formant couvercle s'infléchisse vers le haut jusqu'à ce que la membrane partielle épaissie ou les barres (20) s'arrachent, l'action de fléchissement permettant une détente de la pression à l'intérieur du récipient de mainère contrôlée.
5. Fermeture à charnière selon la revendication 3, caractérisée en ce que la bande d'arrachage (2) est reliée à la partie (1) formant couvercle et à la bande d'ancrage (3) par une membrane mince, la membrane et les lignes arquées affaiblies (12 et 13) ayant une épaisseur comprise enttre 0,008" (0,203 mm) et 0,022" (0,56 mm).
6. Fermeture à charnière selon la revendication 1, caractérisée en ce que la partie (1) formant couvercle comprend un bouchon cyclindrique (5) en dépendant vers l'intérieur et apte à pénétrer et s'appliquer de façon étanche contre la paroi interne de l'embouchure d'un récipient.
7. Fermeture à charnière selon la revendication 6, caractérisée en ce que la paroi externe du bouchon cylindrique (5) comprend un bourrelet d'étanchéité annulaire (6) et deux lamelles annulaires (7) établissant un joint étanche contre la paroi interne de l'embouchure d'un récipient.
8. Fermeture à charnière selon la revendication 6, caractérisée en ce que le bouchon cylindrique (5) est plus profond sur un côté que sur l'autre, la partie la plus profonde du bouchon cylindrique (5) étant proche de la charnière (15) de manière que la partie la plus profonde forme une butée qui, lorsque la fermeture a été ouverte, coopère avec l'embouchure du récipient de manière à retenir de façon amovible la partie (1) formant couvercle en position ouverte.
9. Fermeture à charnière selon la revendication 1, caractérisée en ce que la bande d'ancrage (3) comprend deux bourrelets de retenue annulaires (16, 17).
10. Fermeture à charnière selon la revendication 1, caractérisée en ce que la partie (1) formant couvercle a une partie supérieure (4) en cuvette pour résister à la pression.
EP78300479A 1978-10-10 1978-10-10 Améliorations concernant les fermetures articulées de récipients Expired EP0009525B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP78300479A EP0009525B1 (fr) 1978-10-10 1978-10-10 Améliorations concernant les fermetures articulées de récipients
DE7878300479T DE2861185D1 (en) 1978-10-10 1978-10-10 Improvements in and relating to hinged closures for containers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP78300479A EP0009525B1 (fr) 1978-10-10 1978-10-10 Améliorations concernant les fermetures articulées de récipients

Publications (2)

Publication Number Publication Date
EP0009525A1 EP0009525A1 (fr) 1980-04-16
EP0009525B1 true EP0009525B1 (fr) 1981-10-14

Family

ID=8186005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78300479A Expired EP0009525B1 (fr) 1978-10-10 1978-10-10 Améliorations concernant les fermetures articulées de récipients

Country Status (2)

Country Link
EP (1) EP0009525B1 (fr)
DE (1) DE2861185D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664744A5 (de) * 1984-09-05 1988-03-31 Asepta Ag Behaelter mit flexiblem deckel.
SE469938B (sv) * 1987-12-08 1993-10-11 Duma Ab Behållareförslutning
ES2078038T3 (es) 1991-04-04 1995-12-01 Rudolf Ernst Ag Cierre de botella de materia sintetica.
DE69213211T2 (de) * 1992-04-10 1997-01-23 Duma Ab Behälterverschluss mit Abreissband
FR2720722B1 (fr) * 1994-06-01 1996-08-14 Rical Sa Capsule de bouchage inviolable à verseur.
US6070766A (en) * 1996-02-15 2000-06-06 International Plastics And Equipment Corporation Tamper evident closure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390358A (en) * 1971-04-14 1975-04-09 United Glass Ltd Closures for containers
US3991904A (en) * 1973-03-26 1976-11-16 Johnsen & Jorgensen (Plastics) Ltd. Hinged closures
GB1457138A (en) * 1973-09-07 1976-12-01 Dale Ltd John Bottle or other container and cooperating closure

Also Published As

Publication number Publication date
EP0009525A1 (fr) 1980-04-16
DE2861185D1 (en) 1981-12-24

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