EP0299017A1 - Fermeture avec anneau de garantie pour recipients. - Google Patents

Fermeture avec anneau de garantie pour recipients.

Info

Publication number
EP0299017A1
EP0299017A1 EP88900807A EP88900807A EP0299017A1 EP 0299017 A1 EP0299017 A1 EP 0299017A1 EP 88900807 A EP88900807 A EP 88900807A EP 88900807 A EP88900807 A EP 88900807A EP 0299017 A1 EP0299017 A1 EP 0299017A1
Authority
EP
European Patent Office
Prior art keywords
closure
guarantee ring
barb
wedge
closure 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.)
Granted
Application number
EP88900807A
Other languages
German (de)
English (en)
Other versions
EP0299017B1 (fr
EP0299017B2 (fr
Inventor
Walter Wiedmer
Ernst Wiedmer
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.)
Walter Wiedmar AG Plastikform
Original Assignee
Walter Wiedmar AG Plastikform
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4184582&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0299017(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Walter Wiedmar AG Plastikform filed Critical Walter Wiedmar AG Plastikform
Priority to AT88900807T priority Critical patent/ATE67979T1/de
Publication of EP0299017A1 publication Critical patent/EP0299017A1/fr
Publication of EP0299017B1 publication Critical patent/EP0299017B1/fr
Application granted granted Critical
Publication of EP0299017B2 publication Critical patent/EP0299017B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D41/3442—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
    • 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 closure for containers, with a guarantee ring on its underside, which carries barbs projecting inwards on its inner wall, extending upwards, wedging on the container when the closure is lifted and thereby causing the guarantee ring to be separated from the closure body.
  • barbs are located below the container mouth when the closure is attached, which usually has a larger diameter than the adjacent container neck. Its free end, ie its tip, is at a distance from the longitudinal central axis of the container and thus also of the closure, which is smaller than the radius of the container mouth mentioned. When the closure is lifted off, these barbs lie against the underside of the container mouth, as a result of which the guarantee ring, which is connected to the actual closure body via thin webs, is separated from the latter. The first opening of the closure is therefore indicated.
  • Barbs of this type are already known from numerous publications, e.g. from US Pat. No. 4,488,655.
  • the barbs are designed as individual projections distributed over the circumference of the guarantee ring; but it is also a ring-shaped one
  • Barb has been proposed, which extends over the entire circumference. Both the top of the barbs and the bottom have a certain inclination to the inner wall of the guarantee ring, from which they protrude. The angle is relative large, usually between 50 - 60. However, the top can also have an even larger angle, up to 90-.
  • the present invention seeks to avoid these difficulties which are extremely disruptive to the bottling plant.
  • the closure according to the invention is characterized by the features of claim 1.
  • the new design of the barbs according to the invention thus achieves both an improvement in the properties of the closure with regard to the mechanical placement thereof and an increase in the barb effect when unscrewing. It should also be noted that the new shape of the closure does not involve any complications and thus increases the cost of the production process by means of injection molding; a combination of properties that was not immediately apparent to the person skilled in the art.
  • Fig. 2 is a view of the guarantee ring over part of its circumference
  • Fig. 3 is a schematic areal exterior view of a preferred form of the closure. 1 with the closure body, 2 with the guarantee ring connected to it via webs 3. On its inner wall 4, several, mostly three barbs evenly distributed over it extend over part of the circumference, of which only one barb 5 is shown in the figures. This has a bottom 6 inclined upwards from the inner wall 4 and a horizontal top 7. As can be seen from the hatching in FIG. 1, the closure body 1, the guarantee ring 2, the webs 3 and the barb 5 form a piece which is produced in one injection step.
  • an inlet or sliding wedge 8 is arranged in the middle of the barb 5. This extends obliquely upwards from the lower edge 9 of the guarantee ring 2 and runs tangentially into the rounding or tip 10 of the barb 5.
  • the angle 0, at which its sliding surface 11 is inclined to the vertical inner wall 4 of the guarantee ring 2, is preferably 31 °; this value resulted from tests and represents an optimum. This optimum even determines the distance a of the tip 10 of the barb 5 from the inner wall 4; How far this barb may protrude from the inner wall 4 depends on the one hand on the angle mentioned and then also on the height of the barb 5 above the lower edge 9 of the guarantee ring 2.
  • the tip 10 must protrude so far inwards, that hook 5 still fulfills its function. It must therefore be located within the profile of the container mouth or, in other words, closer to the longitudinal central axis A shown in FIG. 1 than the wall of the container mouth, because it must lie on its underside when the closure is lifted off.
  • Guarantee ring 2 begins and no further out of the inner wall 4. Then, below these sliding wedges, the guarantee 2 would again have a purely cylindrical shape over its entire circumference, which would again lead to the disturbances already mentioned.
  • the sliding wedges must therefore extend to the edge 9 so that they take effect immediately when the closure is put on.
  • FIG. 3 shows an areal representation of a preferred embodiment of the plastic closure according to the invention with a guarantee ring.
  • 21 denotes a cross-connection for the guarantee ring 2, which is interrupted at this point, which ring is also attached to the interruption mentioned by means of the stronger web 22 on the closure 1.
  • the interruption mentioned thus clearly acts as a "crack" or predetermined breaking point.
  • this embodiment of the guarantee ring 2 which is already known per se this not only separates it from the closure body 1, but also slits it up itself, so that it then hangs down in an inclined position and clearly indicates the first opening.

Landscapes

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

Abstract

Les crochets (5) solidaires de l'anneau (2) de garantie, permettant la séparation de ce dernier du corps (1) de l'organe de fermeture lorsque celui-ci est enlevé, présentent chacun une partie de glissement. Celle-ci se trouve par exemple au milieu du crochet (5) lequel s'étend en direction du pourtour. Sa surface de glissement (11) a une largeur d'environ un quart de la longueur du crochet (5). La surface de glissement (11) forme de préférence un angle (alpha) de 31° avec la paroi intérieure (4) de l'anneau de garantie et part du bord inférieur (9) de ce dernier, afin de faciliter la mise en place de l'organe de fermeture sur le récipient.
EP88900807A 1987-01-30 1988-01-27 Fermeture avec anneau de garantie pour recipients Expired - Lifetime EP0299017B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88900807T ATE67979T1 (de) 1987-01-30 1988-01-27 Verschluss mit garantiering fuer behaelter.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH331/87A CH672109A5 (fr) 1987-01-30 1987-01-30
CH331/87 1987-01-30
PCT/CH1988/000017 WO1988005754A1 (fr) 1987-01-30 1988-01-27 Fermeture avec anneau de garantie pour recipients

Publications (3)

Publication Number Publication Date
EP0299017A1 true EP0299017A1 (fr) 1989-01-18
EP0299017B1 EP0299017B1 (fr) 1991-10-02
EP0299017B2 EP0299017B2 (fr) 1999-05-19

Family

ID=4184582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88900807A Expired - Lifetime EP0299017B2 (fr) 1987-01-30 1988-01-27 Fermeture avec anneau de garantie pour recipients

Country Status (9)

Country Link
US (1) US4913300A (fr)
EP (1) EP0299017B2 (fr)
JP (1) JPH0631100B2 (fr)
CN (1) CN1009724B (fr)
AT (1) ATE67979T1 (fr)
CA (1) CA1326000C (fr)
CH (1) CH672109A5 (fr)
DE (1) DE3865258D1 (fr)
WO (1) WO1988005754A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741447A (en) * 1987-04-27 1988-05-03 American National Can Company Linerless cap closure
DE58905985D1 (de) * 1988-11-28 1993-11-25 Crown Cork Ag Schraubkappe mit Garantieband.
CA2008769C (fr) * 1989-01-30 2002-03-19 Stephen W. Mcbride Manchon d'inviolabilite en matiere plastique
GB8916099D0 (en) * 1989-07-13 1989-08-31 Metal Closures Group Ltd Closure for containers
US5007545A (en) * 1990-03-15 1991-04-16 Seaquist Closures Removal resistant member
DE4104103A1 (de) * 1991-02-11 1992-08-13 Huebner Gmbh & Co Max Flaschenkappe mit sicherungsring
US5107998A (en) * 1991-06-14 1992-04-28 Bruno Zumbuhl Tamper proof ring for threaded closures
US5246125A (en) * 1992-05-04 1993-09-21 Sunbeam Plastics Corporation Tamper indicating closure with attached tamper indicating band
US5853095A (en) * 1992-12-18 1998-12-29 White Cap, Inc. Tamper evident splitting closure
US5455270A (en) * 1993-08-11 1995-10-03 Bristol-Myers Squibb Co. Stabilized solutions of platinum(II) antitumor agents
US5609262A (en) * 1995-09-22 1997-03-11 Rieke Corporation Tamper evident, child-resistant closure
DE19613364C1 (de) * 1996-04-03 1997-11-20 Weis Kg Schraubverschlußkappe aus Kunststoff und Verfahren zu deren Herstellung
US5979682A (en) * 1997-04-14 1999-11-09 Zumbuhl; Bruno Tab construction for closures having tamper evident rings
AUPO788597A0 (en) * 1997-07-14 1997-08-07 Closures And Packaging Services Limited Closure
IT1293269B1 (it) * 1997-07-25 1999-02-16 Sacmi Capsula a vite in materiale plastico con anello di garanzia.
MXPA00004145A (es) * 1997-10-30 2003-08-01 Internat Plastics And Equipmen Tapa de fijacion a presion y desatornillado.
US6059134A (en) * 1997-10-30 2000-05-09 International Plastics And Equipment Corporation Snap-on screw-off closure for use in combination with a container
US6394294B1 (en) * 1998-05-21 2002-05-28 Rexam Medical Packaging Inc. Closure having torque-reducing feature
US7575123B2 (en) * 2005-01-19 2009-08-18 Rieke Corporation Tamper-evident locking band for a container closure
JP6418720B2 (ja) * 2012-12-21 2018-11-07 日本クロージャー株式会社 合成樹脂製容器蓋
CH715934A1 (de) * 2019-03-15 2020-09-15 Alpla Werke Alwin Lehner Gmbh & Co Kg Behälterverschluss mit einem Ausgiesselement und einer unverlierbar gehaltenen Verschlusskappe.
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
US12054316B2 (en) * 2020-07-24 2024-08-06 Cap-Thin Molds Inc. Tamper evident container cap method and apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1490641A (fr) * 1966-06-16 1967-08-04 Perfectionnements aux bouchons pour bouteilles, flacons ou analogues
GB1438648A (en) * 1972-11-10 1976-06-09 Metal Box Co Ltd Closures for containers
AU516094B2 (en) * 1977-12-14 1981-05-14 Metal Closures Group Limited Closures for containers
NL7810527A (nl) * 1978-10-20 1980-04-22 Leer Koninklijke Emballage Schroefkap met borgrand.
US4322012A (en) * 1980-05-09 1982-03-30 Dairy Cap Corporation Threaded plastic bottle cap
JPS5728766A (en) * 1980-07-14 1982-02-16 Crown Cork Japan Vessel cover in synthetic resin having pilfer-proof characteristic
CH653307A5 (de) * 1981-12-11 1985-12-31 Walter Wiedmer Schraubverschluss mit garantiestreifen fuer behaelter.
JPS58139462U (ja) * 1982-03-15 1983-09-20 日本クラウンコルク株式会社 合成樹脂製容器蓋
US4526282A (en) * 1983-05-05 1985-07-02 Sun Coast Plastics, Inc. Tamper proof closure cap, method, and tool for making same
EP0146237A1 (fr) * 1983-10-27 1985-06-26 Continental White Cap, Inc. Fermeture présentant une bande d'inviolabilité
US4511054A (en) * 1984-04-13 1985-04-16 Kerr Glass Manufacturing Corporation Tamper-evident closure and method of manufacture
DE3439212A1 (de) * 1984-08-17 1986-02-27 Schöttli AG, Diessenhofen Schraubverschluss mit originalitaetssicherung aus kunststoff und spritzgiesswerkzeug zur herstellung von kappen
US4667838A (en) * 1986-04-14 1987-05-26 Sun Coast Plastics, Inc. Tamper-evident closure with ribbed skirt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8805754A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable
EP0870693A2 (fr) * 1992-07-16 1998-10-14 Closures and Packaging Services Limited Fermeture inviolable
EP0870693A3 (fr) * 1992-07-16 1998-12-09 Closures and Packaging Services Limited Fermeture inviolable

Also Published As

Publication number Publication date
JPH01502656A (ja) 1989-09-14
EP0299017B1 (fr) 1991-10-02
JPH0631100B2 (ja) 1994-04-27
CH672109A5 (fr) 1989-10-31
DE3865258D1 (de) 1991-11-07
US4913300A (en) 1990-04-03
CN1009724B (zh) 1990-09-26
EP0299017B2 (fr) 1999-05-19
CN88100538A (zh) 1988-09-21
CA1326000C (fr) 1994-01-11
ATE67979T1 (de) 1991-10-15
WO1988005754A1 (fr) 1988-08-11

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