EP0553685B1 - Behälterverschluss mit Originalitätsring - Google Patents

Behälterverschluss mit Originalitätsring Download PDF

Info

Publication number
EP0553685B1
EP0553685B1 EP93100704A EP93100704A EP0553685B1 EP 0553685 B1 EP0553685 B1 EP 0553685B1 EP 93100704 A EP93100704 A EP 93100704A EP 93100704 A EP93100704 A EP 93100704A EP 0553685 B1 EP0553685 B1 EP 0553685B1
Authority
EP
European Patent Office
Prior art keywords
leg
tamper
container
container closure
ring
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
EP93100704A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0553685A2 (de
EP0553685A3 (en
Inventor
Dirk Röhrs
Stefan Kreuzberger
Heino Deussen
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.)
Stella Kunststofftechnik GmbH
Original Assignee
Stella Kunststofftechnik GmbH
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 Stella Kunststofftechnik GmbH filed Critical Stella Kunststofftechnik GmbH
Publication of EP0553685A2 publication Critical patent/EP0553685A2/de
Publication of EP0553685A3 publication Critical patent/EP0553685A3/de
Application granted granted Critical
Publication of EP0553685B1 publication Critical patent/EP0553685B1/de
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
    • B65D41/3423—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 container closure with a closure cap, which has a tamper-evident ring with holding elements on its free peripheral edge, which cooperate with an annular bead of the container.
  • Container closures are usually provided with tamper-evident rings that are damaged when the container is opened for the first time. From the condition of the tamper evident ring, the consumer can see whether the bottle or container is still in its original packaging or not.
  • the container closures are screwed onto the container at high speed, ie at high speed.
  • the tamper-evident ring or its holding elements may only oppose this unscrewing action against slight counter forces, since otherwise the tamper-evident ring can tear off prematurely or at least the tamper-evident ring and / or the retaining elements can be damaged.
  • the effort should also be kept as minimal as possible. At the same time, however, it must be ensured that the holding elements reach sufficiently far behind the bottle bead when screwed on ensure that when the container closure is unscrewed, the tamper-evident ring comes loose from the container closure or at least visible damage to the tamper-evident ring occurs.
  • a container closure in which the holding elements are held together in a circle at a limited distance by means of flexible connecting elements.
  • the ring of retaining tabs can be snapped between the two stable positions by means of the connecting elements, namely between an external one that extends further from the originality ring and an internal one that narrows conically from the originality ring into its interior Position.
  • the latter position has the effect that the holding elements are supported on the annular bulge of the container and lead to the tamper-evident ring being torn off when the container is opened for the first time.
  • the container neck has a shape adapted to the design of the holding elements, so that the holding flaps are prevented from folding over when the container closure is opened for the first time.
  • the holding flaps With the usual design of container necks with a free space between the holding elements and the container, it cannot be ruled out that the holding flaps will snap when first opened, so that the closure cap can be removed without visible damage.
  • both parts are relatively firmly connected to one another, so that the user must either exert great forces to remove the container closure, or else the tamper-evident ring remains attached to the container closure.
  • the connecting elements between the holding elements despite their resilience, stiffen the entire retaining lug ring, so that relatively large forces are required to screw on the container closure.
  • US-A-4,759,456 describes a container closure with a closure cap, which is provided on its free peripheral edge with a plurality of circumferentially distributed holding elements which cooperate with the ring bulge of the container in the form of a tamper-evident device.
  • Each holding element has two legs, from which a common web extends inwards, which is connected via a predetermined breaking point on the outside of the slotted closure cap.
  • the holding elements are an integral part of the cap and are folded inwards before being screwed on, so that the web rests against the upper edge of the recess and one leg extends obliquely upwards and the other leg downwards.
  • the object of the invention is therefore to provide a container closure with a tamper-evident ring, which can be applied to the container with little force, and which can be easily removed when opened for the first time, whereby it should be ensured that the tamper-evident ring is either completely removed from the closure cap loosens or is at least visibly damaged.
  • the holding elements are designed as a rocker with a first leg and a second leg, which are connected to the tamper-evident ring via a common elastic web, the first leg pointing inwards and the second leg outward with respect to the closure cap.
  • the first leg takes over, as in the known holding tabs according to the prior art, the task of engaging behind the ring bead on the container neck and supporting itself on this ring bead when the container closure is unscrewed. This means that when the container closure is screwed on for the first time, this first leg must be moved past the ring bead.
  • the first leg forms a rocker with the second leg, which is attached to a common elastic connecting web on the tamper-evident ring, the first leg, when screwing on the container closure for the first time, rests on the ring-shaped bead of the container in the direction of the tamper-evident ring, without this the first leg opposes large forces to this unscrewing process.
  • the elastic configuration of the connecting web which allows the first leg to retreat, the first leg itself can be made relatively stable and far less elastic.
  • the second leg can also be made relatively stable and less elastic, it being important that the first and second legs are connected relatively rigidly to one another.
  • the elastic connecting web ensures that the rocker returns to its original position after passing the annular bead of the container so far that the first leg engages under the annular bead.
  • the second leg is aligned in such a way that it does not substantially impede the screwing-on process. This means that its length and orientation are such that it preferably does not come into contact with the annular bulge of the container even during the screwing-on process and thus in the rocking position. It is important here that the second leg does not oppose the screwing process any significant forces or even impedes the screwing process.
  • the first leg When the container is opened for the first time, the first leg is supported with its abutment surface, which is preferably formed in the horizontal direction, on the underside of the annular bead.
  • the relatively stable design of the first leg prevents the first leg from being deformed elastically to such an extent that when unscrewed for the first time it can possibly move past the ring bead, so that no damage to the originality ring would occur.
  • the first leg Since when the first leg is unscrewed, the free end of the first leg is inevitably increasingly removed from the tamper-evident ring, the first leg could possibly fold over without the connection between the tamper-evident ring and the closure cap or the tamper-evident ring itself is damaged.
  • the second leg is connected to the first leg in a relatively rigid manner, the second leg being supported on the tamper-evident ring. In this way, the movement of the first leg is limited and the forces acting on the elastic connecting web are reduced by the compressive forces of the second leg on the tamper-evident ring.
  • the tamper-evident ring is preferably not formed in one piece with the closure cap but is welded to the closure cap.
  • the tamper-evident ring can be welded to the closure cap over its entire end circumferential surface, but it is advantageous if the tamper-evident ring is connected to the closure cap only at a few points. Because of the forces that occur when the screws are unscrewed for the first time, care must be taken that the connection between the tamper-evident ring and the sealing cap or the stability of the tamper-evident ring is in itself weaker than the elastic connection between the rocker and the tamper-evident ring. The load capacity of the rocker must be greater than that of the areas that are to be deliberately damaged when the cap is first removed.
  • the free end of the first leg projects further from the tamper-evident ring than the free end of the second leg. This creates a larger gap between the first leg and the tamper-evident ring formed as between the second leg and the originality ring.
  • the first leg forms an angle between 30 and 50 degrees with the tamper-evident ring.
  • the length and inclination of the first leg should preferably be selected such that when the container closure is screwed on when the first leg first comes into contact, the connecting web is already at the lower edge of the annular bead or below.
  • the space between the first leg and the tamper-evident ring allows the first leg to easily retract when the container closure is screwed on, while the smaller space between the second leg and the tamper-evident ring when the container closure is unscrewed for the first time means that the second leg is in contact with the tamper-evident ring after a short distance and thus limiting the mobility of the first leg early.
  • the second leg is preferably shorter than the first leg so that it does not come into contact with the container in the rocking position. If, for reasons of space, a relatively narrow design of the tamper-evident ring, viewed in the axial direction, is desired, it is necessary that the rocker is arranged as far down on the tamper-evident ring. In this case, care must be taken that the second leg does not protrude under the tamper-evident ring, so that no manipulations on the part of the user are possible. From this point of view, too, a relatively short design of the second leg is necessary.
  • the first leg is arranged inwardly so that it slides with its outer surface when attaching the container closure when performing the rocking movement of both legs over the ring bead and engages behind the ring bead with its free end in the closed position.
  • the outer surface of the first leg is designed as a sliding surface.
  • the first leg can be designed in the form of a circular arc as seen in the circumferential direction of the container closure. However, it is advantageous if the radius of curvature of the first leg is greater than the radius of the annular bead, because this only achieves a selective support on the sliding surface, which additionally facilitates the screwing-on process.
  • the tamper-evident ring is provided with rockers all around, the tamper-evident ring is completely separated from the cap when the container closure is removed for the first time and the tamper-evident ring remains on the container neck. The consumer can thus immediately see that the container has already been opened.
  • the rockers only in a limited section of the inner circumference, the originality ring having a predetermined breaking point in the immediate vicinity of one of the two outer rockers.
  • the tamper-evident ring is fastened to the closure cap at least on the side of the predetermined breaking point facing away from the outer rocker, a connection to the closure cap also being present in the entire area is possible in which no rockers are provided.
  • the tamper-evident ring is not connected to the sealing cap, so that when the screw is unscrewed for the first time there is visible damage to the tamper-evident ring.
  • the tamper-evident ring When the container closure is unscrewed for the first time, the tamper-evident ring is only held and loaded in this area by the rockers provided in only one section, so that the tamper-evident ring only detaches from the closure cap in this area, at the same time the predetermined breaking point is severed. Visible damage to the tamper-evident ring is thus caused when the container is opened for the first time.
  • FIG. 1 the container closure is shown in partial section.
  • the container closure 1 closes the container 16, which has an annular bead 18 on the container neck 17 and an external thread 21 above it.
  • the closure cap 2 has a bottom wall 3 for closing the container opening and a peripheral wall 4, which has an internal thread 6 on its inside, which cooperates with the external thread 21 of the container 16.
  • the outer wall 4 widens conically downward and has an end face 5 to which the tamper-evident ring 7 is fastened.
  • a plurality of rockers 8 are arranged on the inside of the tamper-evident ring 7 via an elastic connecting web 11.
  • Each rocker 8 consists of a first leg 9 pointing obliquely upwards into the interior of the closure cap and a second leg 10 pointing downwards.
  • the first leg 9 projects further from the original ring 7 than the second Leg 10. This forms an upper space 12 which is larger than the lower space 13.
  • the first leg 9 is longer than the second leg 10, the second leg 10 being aligned parallel to the tamper-evident ring 7.
  • FIG. 2 shows a first phase of the screwing-on process of the container closure 1.
  • the first leg 9 rests with its sliding surface 14 on the conical outer surface 19 of the annular bead 18 and, with a reduction in the space 12, backs away from this annular bead 18.
  • the legs 9 and 10 which are essentially rigidly connected to one another, perform a type of rocking movement with elastic bending of the common connecting web 11.
  • the second leg 10 does not touch this annular bead 18.
  • FIG. 4 A further phase of the screwing-on process is shown in FIG.
  • the first leg 9 moves towards the underside 20 of the annular bead 18, the abutment surface 15, which is essentially horizontal, now comes into contact with this underside 20.
  • the rocker 8 moves back into its starting position.
  • the end position of the rocker 8 in the screwed-on state is shown in FIG. 4, the rocker 8 not touching the container 16.
  • FIG. 5 shows a top view of the tamper-evident ring 7.
  • the rockers 8 are arranged distributed over the entire inner circumference of the tamper-evident ring.
  • the first legs 9 are designed in the shape of a circular arc.
  • Material increases 22 are provided, which are used to weld the tamper-evident ring 7 to the cap 2. A total of six of these material increases 22 are provided.
  • FIG. 7 shows the unscrewing process in the first phase.
  • the first leg 9 rests with its abutment surface 15 on the underside 20 of the annular bead 18, the outward movement of the first leg 9 being limited by the rocking movement and thus the abutment of the second leg 10 on the tamper-evident ring while reducing the space 13. Due to the rigid design and rigid connection of the first leg 9 and the second leg 10, a further outward movement or even a folding over of the first leg 9 is effectively prevented. Since evasion of the first leg 9 is thus prevented, the support of the first leg 9 on the annular bead 18 leads to a load on the connection point between the tamper-evident ring 7 and the closure cap 2.
  • FIG. 10 shows the bottom view of the tamper-evident ring 7 in a further embodiment. Only three rockers 8 are provided on the inner circumferential wall of the tamper-evident ring 7. A predetermined breaking point 23 is provided in the tamper-evident ring 7 adjacent to one of the outer rockers 8. The tamper-evident ring 7 is only connected to the closure cap in the hatched section 25. When unscrewing, the tamper-evident ring 7 is only loaded in the area of the rockers 8, which leads to tearing off in the area of the predetermined breaking point 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP93100704A 1992-01-25 1993-01-19 Behälterverschluss mit Originalitätsring Expired - Lifetime EP0553685B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4201997 1992-01-25
DE4201997A DE4201997C1 (enrdf_load_stackoverflow) 1992-01-25 1992-01-25

Publications (3)

Publication Number Publication Date
EP0553685A2 EP0553685A2 (de) 1993-08-04
EP0553685A3 EP0553685A3 (en) 1993-11-03
EP0553685B1 true EP0553685B1 (de) 1996-05-15

Family

ID=6450223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100704A Expired - Lifetime EP0553685B1 (de) 1992-01-25 1993-01-19 Behälterverschluss mit Originalitätsring

Country Status (5)

Country Link
US (1) US5328044A (enrdf_load_stackoverflow)
EP (1) EP0553685B1 (enrdf_load_stackoverflow)
AT (1) ATE138032T1 (enrdf_load_stackoverflow)
DE (1) DE4201997C1 (enrdf_load_stackoverflow)
ES (1) ES2086792T3 (enrdf_load_stackoverflow)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5356019A (en) * 1992-10-14 1994-10-18 Crown Cork & Seal Company, Inc. Tamper indicating plastic closure
JP3051637B2 (ja) * 1993-07-19 2000-06-12 株式会社吉野工業所 キャップ
GB9322909D0 (en) * 1993-11-06 1993-12-22 Lawson Mardon M I Ltd Push-fittable cap
DE4338090A1 (de) * 1993-11-08 1995-05-11 Geimuplast Mundt Kg Peter Verschlußstopfen
US5413235A (en) * 1994-09-28 1995-05-09 Decelles; Gilles Tamper-evident closure
US5501349A (en) * 1994-10-27 1996-03-26 H-C Industries, Inc. Tamper-indicating plastic closure with selectively strengthened pilfer band
US5813553A (en) * 1995-06-07 1998-09-29 Kerr Group, Inc. Snap-band tamper evident
DE69703425T2 (de) * 1996-05-14 2001-03-15 Shibazaki Seisakusho Ltd., Ichikawa VERSCHLUSSVORRICHTUNG UND BEHäLTER
US5727705A (en) * 1996-11-22 1998-03-17 Crown Cork & Seal Technologies Corporation Closure cap for closure of a container mouth
USD397031S (en) 1997-03-07 1998-08-18 Kerr Group Inc. Tamper evident closure
US5979682A (en) * 1997-04-14 1999-11-09 Zumbuhl; Bruno Tab construction for closures having tamper evident rings
FR2786466B1 (fr) * 1998-11-30 2001-01-12 Lorraine Capsules Metall Bouchon en matiere plastique a bague d'inviolabilite et procede pour sa fabrication
US7059485B1 (en) * 1999-06-03 2006-06-13 Reidenbach Bryan L Tamper-resistant bottle closure
US6491175B1 (en) 2000-06-28 2002-12-10 Saad Taha Single piece closure for a pressurized container
US6877624B2 (en) * 2002-01-02 2005-04-12 Erie County Plastics Method of injection molding closure with continuous internal rigid rib, closure made thereby having a lead-in structure and mold for forming same
FR2865461B1 (fr) * 2004-01-27 2007-04-27 Plasturgie Haute Performance P Bouteille en verre munie d'un bouchon a vis
US20070272647A1 (en) * 2006-03-31 2007-11-29 Long Charles J Closure with vertical tear bands
MX2010011796A (es) * 2008-04-30 2010-11-30 Closure Systems Int Inc Paquetes con sello de garantia con desempeño de apertura mejorado.
US20090277861A1 (en) * 2008-05-08 2009-11-12 Long Jr Charles J Closure with tamper evident strip
MX2016005037A (es) * 2016-04-19 2017-10-18 Francisco Salcido Piñera Juan Sistema y dispositivos de cierre de seguridad para envases.
IT201600080146A1 (it) * 2016-07-29 2018-01-29 Guala Pack Spa Chiusura con sigillo di garanzia
US10407225B2 (en) 2017-11-07 2019-09-10 Closure Systems International Inc. Closure and package that vents at high pressure
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
US12065295B2 (en) 2021-08-19 2024-08-20 Closure Systems International Inc. One-piece closure
US11970319B2 (en) 2022-05-10 2024-04-30 Closure Systems International Inc. Anti-rotational and removal closure
US11945625B2 (en) 2022-06-24 2024-04-02 Closure Systems International Inc. Package with closure
US11801977B1 (en) 2022-12-02 2023-10-31 Closure Systems International Inc. Package with one-piece closure

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FR2276238A1 (fr) * 1974-06-28 1976-01-23 Bouchage Mecanique Capsule inviolable a crans
AU516094B2 (en) * 1977-12-14 1981-05-14 Metal Closures Group Limited Closures for containers
US4401227A (en) * 1981-08-17 1983-08-30 Pehr Harold T Tamper indicating closure cap
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
EP0107680B1 (fr) * 1982-04-23 1986-01-29 Cebal Capsule de bouchage a vis, en plastique, a bande d'inviolabilite perfectionnee
US4572388A (en) * 1985-03-18 1986-02-25 Sunbeam Plastics Corporation Tamper indicating screw cap
US4759456A (en) * 1986-10-31 1988-07-26 Owens-Illinois Closure Inc. Tamper-indicating package and plastic closure therefore
US4801030A (en) * 1987-05-28 1989-01-31 Owens-Illinois Closure Inc. Tamper-indicating closure and package
US4863050A (en) * 1988-09-16 1989-09-05 Owens-Illinois Closure Inc. Tamper indicating package and molded plastic threaded closure therefor
DE58905985D1 (de) * 1988-11-28 1993-11-25 Crown Cork Ag Schraubkappe mit Garantieband.
CA2008769C (en) * 1989-01-30 2002-03-19 Stephen W. Mcbride Tamper-indicating plastic closure
US4978017A (en) * 1989-04-26 1990-12-18 H-C Industries, Inc. Tamper-indicating plastic closure
DE3912137A1 (de) * 1989-04-13 1990-10-18 Berg Jacob Gmbh Co Kg Aus kunststoff bestehende verschlusskappe fuer einen behaelter
US5090788A (en) * 1989-07-27 1992-02-25 Owens-Illinois Closure Inc. Tamper indicating package
DE4108453A1 (de) * 1990-04-07 1991-10-10 Deussen Stella Kg Behaelterverschluss

Also Published As

Publication number Publication date
ATE138032T1 (de) 1996-06-15
EP0553685A2 (de) 1993-08-04
ES2086792T3 (es) 1996-07-01
EP0553685A3 (en) 1993-11-03
US5328044A (en) 1994-07-12
DE4201997C1 (enrdf_load_stackoverflow) 1992-12-10

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