EP3880573B1 - Unverlierbarer verschluss - Google Patents

Unverlierbarer verschluss Download PDF

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Publication number
EP3880573B1
EP3880573B1 EP19802115.6A EP19802115A EP3880573B1 EP 3880573 B1 EP3880573 B1 EP 3880573B1 EP 19802115 A EP19802115 A EP 19802115A EP 3880573 B1 EP3880573 B1 EP 3880573B1
Authority
EP
European Patent Office
Prior art keywords
cap
closure
tamper
container neck
container
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.)
Active
Application number
EP19802115.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3880573C0 (de
EP3880573A1 (de
Inventor
Günter Krautkrämer
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.)
Bericap Holding GmbH
Original Assignee
Bericap Holding 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=68542612&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3880573(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE102018128886.7A external-priority patent/DE102018128886A1/de
Priority claimed from DE102018130541.9A external-priority patent/DE102018130541A1/de
Application filed by Bericap Holding GmbH filed Critical Bericap Holding GmbH
Publication of EP3880573A1 publication Critical patent/EP3880573A1/de
Application granted granted Critical
Publication of EP3880573C0 publication Critical patent/EP3880573C0/de
Publication of EP3880573B1 publication Critical patent/EP3880573B1/de
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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
    • B65D41/34—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
    • B65D41/3428—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 integrally connected to the closure by means of bridges

Definitions

  • the present invention relates to a captive closure consisting of a screw cap with a tamper-proof strip, the screw cap having at least one cylindrical shell with an internal thread and being connected to the lower edge of the cap shell at the lower, open end of the cap shell with the circumferential tamper-proof strip along easily tearable weakening lines after tearing along the weakening lines, the anti-tamper strip remains inseparably connected to the cap jacket via retaining straps.
  • the invention also relates to a combination of a container neck with an external thread and a captive closure as defined above with a screw cap with an internal thread and with a corresponding guarantee band.
  • the container neck has a so-called pilferproof ring below its external thread, directly below which the guarantee band of the closure is located when the container is closed.
  • Such a captive closure also in combination with a container, is known, for example, from FR2785264 .
  • a guarantee band is connected to a hinge section on the lower edge of a screw cap via two relatively short retaining bands.
  • the hinge area has a relatively complex structure with different sections of different wall thickness and extends into the cap skirt.
  • the straps are relatively short. Since the hinge extends into the jacket of the screw cap, the screw cap that has been released from the threaded engagement can be swung sideways away from the container neck, but its entire cross section cannot be lifted over the edge of the associated container neck.
  • the screw cap thus remains relatively close to the container opening and can, if necessary, depending on the specific design of the hinge, fold back over the cross section of the container opening when the container is tilted, for example to pour out liquid.
  • the WO 2016/160591 also shows a captive closure in which the cap skirt and guarantee band are only connected to one another by two short bands that act as a hinge. With such a design, it is difficult to avoid the screw cap folding back onto the container opening solely due to the force of gravity when the container is tilted accordingly.
  • U.S. 2012/298666 A1 discloses a closure for a packaging container according to the preamble of claim 1, the closure including bridges for checking whether a closure with screw coupling is opened or not, and a hinge portion in which an inner concave groove is formed, thereby indicating whether the shutter is opened or not, thereby enabling the stable connection of a shutter body and a fixing ring, thereby maintaining a fixed opening angle of the shutter body in the event of opening, thus preventing the shutter body from sagging and being shaken, and thereby To perform opening and closing operations elastically, thus greatly improving the feeling of use.
  • WO 94/14674 A1 discloses a plastic closure having a tamper-evident band with a 2-tier bridge arrangement comprising top and bottom bridges staggered circumferentially of the band.
  • the top bridges are spaced along a top line of weakness and connect the tamper-evident band to the sidewall of the closure, while the bottom bridges are spaced along a bottom line of weakness and connect a lower portion of the tamper-evident band to a top portion of the band.
  • the lower portion has an internal locking bead which engages an external locking shoulder on the neck of a container.
  • the present invention is based on the object of improving a closure of the type mentioned at the outset in such a way that the screw cap can be safely moved away from the opening area of a corresponding container neck without there is a risk that when the container is tilted, for example in order to empty liquid through the container opening, the screw cap will get across the cross section of the container opening or at least in the vicinity of the container opening, where it will interfere, for example, either when pouring out or when drinking directly from the container would.
  • the retaining straps are formed by two separate weakening lines, each interrupted at least once in the circumferential direction, the weakening lines overlapping in the circumferential direction and running at an axial distance from one another at least in their overlapping area, the broken sections of both weakening lines of the respective other weakening line are bridged at an axial distance, and at least two overlapping areas on either side of the interrupted section of the upper weakening line each extend over a circumferential angle of the guarantee band of at least 60° and less than 160°.
  • the retaining straps consist of circumferential sections of the guarantee strip, which are formed between the overlapping sections of the weakening line and thus extend over at least 60° measured in the circumferential direction; the overlapping areas preferably have a circumferential extent of at least 75° or at least 85° and in particular at least 95°.
  • a circumferential angle of 60° corresponds to one sixth of the circumference of the anti-tamper strip and more than the radius of the same.
  • the length of the retaining straps can be sufficient to selectively move the screw cap in one of two opposite directions laterally away from the container neck opening on which a corresponding closure is mounted.
  • the screw cap after being moved sideways next to a container neck, can be moved downwards far enough that the edge of the screw cap is, for example, on a support ring which usually has a bottle neck below the guarantee band surrounds, can get caught.
  • the length of the overlapping areas and thus the length of the retaining straps and their position can also be adjusted, among other things, so that the screw cap, when it is moved to one of the two possible sides away from the opening of the container neck and folded over, places the retaining straps under tension and thereby pulling the screw cap in a folded-over state to the outside of the container neck, in particular in the area of the external thread of the container neck or below it in the area of a pilferproof ring, pressing against the container neck, the retaining straps being under elastic tension and thereby holding the screw cap in this folded-over position.
  • the tethers are bounded at both ends by the upper and lower break portions.
  • the screw cap can be moved laterally in different ways along the container neck on the two opposite sides and can be hooked under a support ring on one side, for example, while on the other side it can be held in place by elastically tensioned retaining straps at the level of the external thread Bottle neck is used and stabilized on this.
  • the axial spacing of the weakening lines in the overlapping area is between 1 mm and 4 mm, with the smaller width possibly being preferable if the retaining straps are to be subjected to elastic tension.
  • the straps should be sufficiently stable and (particularly by children) should not be easily torn. Retaining straps that withstand a tensile force of at least 40 N are preferred. With a width of z. B. 3 mm and a wall thickness of 0.3 to 0.8 mm, retaining straps made of HD polypropylene should meet these requirements.
  • the upper interruption section could therefore extend over an angular range of 20° to 75°, in particular over 40° to 60°, and the lower interruption section could extend over a circumferential angle range of, for example, 40° to 120°, in particular over 60° to 95° .
  • the circumferential angles that then remain are occupied by overlapping areas of the weakening lines.
  • the invention also relates to a combination of a container neck with an external thread and a closure cap with an internal thread, as already described above.
  • the container neck has a so-called pilferproof ring below its external thread, directly below which the guarantee band of the closure cap is located when the container is closed.
  • the cap jacket has an axial height on its inside that is less than half, in particular less than 2/5, of its inner diameter, the length and position of the retaining straps being adjusted so that the screw cap can be unscrewed from an external thread on a container neck, the axial height of which corresponds at most to the axial, inner height of the cap skirt, in at least one, preferably and optionally in one of can be moved away laterally in two opposite directions from such a container neck without overlapping with the opening cross-section of the cap jacket before unscrewing, in order to completely release a corresponding container neck opening.
  • the anti-tamper strip can be a so-called flex strip, for example, which consists of an inner, axially folded back section that hooks onto the pilfer proof ring of the container, and an outer section that is connected to the cap skirt and has the weakened lines already described, as well as retaining straps and interruption areas .
  • the inner folded portion as well as a lower edge portion of the outer part of the tamper evident band lying below the lower line of weakness remain connected and held below the pilferproof ring.
  • a corresponding container neck usually also has a so-called support ring, which is primarily used for mechanical handling of such containers, but which also serves the purpose of making it difficult to access the tamper-proof band from the outside by being provided directly below the tamper-proof band when the closure is closed so that the lower edge of the guarantee strip is only difficult to access and cannot easily be pried off the engagement with the pilfer proof ring.
  • the length of the retaining straps can be dimensioned in such a way that the screw cap can be lifted and moved sideways after unscrewing and releasing the thread engagement, so that the screw cap is laterally next to the container neck and with its full diameter in a position below the pilferproof ring , preferably below the support ring, is movable.
  • the lower edge of the screw cap more precisely the interruption section which is still connected to the screw cap and which delimits the retaining straps on one side, can then be hooked under the support ring.
  • FIG. 1A a screw cap, denoted overall by 10, which has a top plate 1 and an approximately cylindrical cap jacket 2, the cap jacket 2 also being equipped with a ribbing for the grip.
  • a guarantee band 3 which is connected to the lower edge of the cap jacket 2 via weakening lines, whereby the weakening lines 13, 14 are not completely circumferential, so that the cap jacket has corresponding interruption sections 11, 12 with a lower section of the guarantee band 3 remains connected, which in turn is held on the bottle neck below a visible in Figures 1C and 1D pilferproof ring 21.
  • the associated bottleneck is in Figure 1B not shown and in the Figures 1A, 1C 1D and 1D only the so-called support ring 24 is visible, above which the upper part of the bottle neck 20 with thread and pilferproof ring 21, which is covered by the closure, is located.
  • the circumferential angles along which the lines of weakness 13, 14 overlap can vary from the representation in FIG Figure 2B differ and are only shown here as an example.
  • the upper weakening line 13 has an upper interruption area 11 and the lower weakening line 14 seen in the axial direction has a lower interruption section 12 .
  • the upper interruption section 11 is integrally connected to the cap skirt 2 and forms an extension of the cap skirt 2 extension.
  • the lower interruption section 12 forms an axially upward-pointing projection on the anti-tamper strip section, which is held in place below the pilfer proof ring 21 .
  • the tamper-evident band designated as a whole with 3
  • so-called retaining bands 15, 16 are formed in the overlapping areas between the weakening lines 13, 14, with one end of each of these retaining bands being firmly connected to the upper interruption section 11 and the other end of these straps 15, 16 with the lower interruption section 12 is firmly connected.
  • the lower interrupted section 12 forms, together with the section of the guarantee band 3 below the lower weakening line 14, a completely circumferential section of the guarantee band 3 that is held in place by a pilfer proof ring 21, while the upper interrupted section 11 is firmly connected to the screw cap casing 2.
  • the upper weakening line 13 can also be regarded as the lower rim or lower edge of the screw cap jacket 2 since everything above the weakening line 13 is firmly connected to the cap jacket 2 .
  • the overlapping areas of the weakening lines 13, 14 define the length of the retaining straps 15, 16. Measured as a circumferential angle, the length of these retaining straps should be at least 60°, preferably at least 75°, of the circumference of the guarantee strip 3, ie the two overlapping areas of the weakening lines 13, 14, the in Figure 1B are defined as retaining straps 15, 16, extend over a circumferential angle of at least about 75 °.
  • the overlap extends over an angular range of more than 90° and up to about 100°.
  • these angular ranges can vary within the claimed limits, as long as the sum of the circumferential angles occupied by the overlapping areas or holding straps 15, 16 and the interruption sections 11, 12 results in the full circumference of 360°.
  • the guarantee strip 3 is preferably a so-called flex strip, of which a radially inner and axially folded section 3 'in the Figures 1C 1D and 1D can still be seen and this section 3' engages under the pilfer proof ring 21 and thereby prevents the entire guarantee band 3 from being lifted off vertically upwards.
  • the retaining straps 15, 16 are long enough to lift the interrupting portion 11 over the top edge of the bottle neck 20 and move it laterally across the bottle neck opening on the side opposite the interrupting portion 12 to a position as shown, for example in the Figures 4A and 4B is shown.
  • this requires a sufficient minimum length of the retaining straps 15, 16, this minimum length also depending in part on the axial height of the bottleneck, which generally also corresponds to the inner axial height of the cap skirt 2, since the edge of the upper cylindrical section 22 of the bottleneck in closed state with sealing elements on the inside of the head plate 1 of the screw cap 10 engages.
  • the bottle neck 20 has on its cylindrical section 22 a thread 23 corresponding to the screw cap thread and underneath it a pilferproof ring 21 and again at a distance from the pilferproof ring 21 a so-called support ring 24, which is used to easily handle the containers mechanically.
  • the clearance between the pilfer proof ring 21 and the supporting 24 is dimensioned in such a way that the guarantee band 3, and in particular the inner folded-up flex band section 3', fits between the pilfer proof ring and the support ring with only a little play.
  • Another possibility is to simply move the screw cap laterally and essentially translationally across the bottleneck opening and downwards, so that its outside rests against the bottleneck or the lower interruption section 12 of the guarantee band 3, with the retaining bands 15, 16 can be stretched more or less elastically depending on the length.
  • An elastic tension of the tethers 15, 16 can also occur when the interrupting section 11 is hooked under the support ring 24.
  • figure 3 shows another variant of a closure cap with somewhat longer retaining straps 15, 16, which allows the screw cap 10 to be lifted off the bottle neck 20 and folded over on the side of the bottle neck 20 opposite the interruption section 12, so that the concave sides of the cap skirt 2 and the bottle neck 20 abut each other on the opposite side of the interruption section 12 .
  • the ends of the retaining straps 15, 16 are kept at a distance from the bottleneck and are thus placed under elastic tension, which in figure 3 shown folded position of the cap stabilized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP19802115.6A 2018-11-16 2019-11-06 Unverlierbarer verschluss Active EP3880573B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102018128886.7A DE102018128886A1 (de) 2018-11-16 2018-11-16 Unverlierbarer Verschluss
DE102018130541.9A DE102018130541A1 (de) 2018-11-30 2018-11-30 Unverlierbarer Verschluss
DE102019120725 2019-07-31
PCT/EP2019/080337 WO2020099199A1 (de) 2018-11-16 2019-11-06 Unverlierbarer verschluss

Publications (3)

Publication Number Publication Date
EP3880573A1 EP3880573A1 (de) 2021-09-22
EP3880573C0 EP3880573C0 (de) 2023-06-07
EP3880573B1 true EP3880573B1 (de) 2023-06-07

Family

ID=68542612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19802115.6A Active EP3880573B1 (de) 2018-11-16 2019-11-06 Unverlierbarer verschluss

Country Status (3)

Country Link
EP (1) EP3880573B1 (hu)
HU (1) HUE063658T2 (hu)
WO (2) WO2020099199A1 (hu)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11312544B2 (en) * 2020-03-30 2022-04-26 ThisCap, Inc. Cap for container
CA3156175A1 (en) 2019-09-30 2021-04-08 Berry Global, Inc. RETAINABLE CLOSURE
DE102020131241A1 (de) 2020-11-25 2022-05-25 Bericap Holding Gmbh Unverlierbarer Kunststoffverschluss mit Ausgießeinsatz
PE20231398A1 (es) 2021-02-04 2023-09-12 Closure Systems Int Espana S L U Tapon imperdible
EP4053035B1 (en) 2021-03-03 2024-05-22 Cap Sustainable Solutions, S.L.U. A tethered closure system
CN113255039B (zh) * 2021-05-26 2022-04-29 中铁大桥勘测设计院集团有限公司 钢桁梁斜拉悬索协作体系桥的主梁合龙口的确定方法
PL73289Y1 (pl) * 2023-02-28 2024-01-15 Nowak Andrzej P H U P Nowex Nakrętka z pierścieniem gwarancyjnym
PL443927A1 (pl) * 2023-02-28 2023-08-14 Nowak Andrzej P.H.U.P. Nowex Nakrętka z pierścieniem gwarancyjnym
PL73288Y1 (pl) * 2023-02-28 2024-01-15 Nowak Andrzej P H U P Nowex Nakrętka z pierścieniem gwarancyjnym

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360126A (en) 1992-12-21 1994-11-01 Zapata Industries, Inc. Tamper-evident plastic closure with 2-tier bridge arrangement
US20110174760A1 (en) 2008-10-09 2011-07-21 Tetra Laval Holdings & Finance S.A. Stopper having a subdivided line of weakness and a method of fabricating such a stopper
CN102700822A (zh) 2012-05-15 2012-10-03 李红彪 瓶盖
US20120285921A1 (en) 2010-01-25 2012-11-15 Si-Joong Kwon Container for preventing loss of stopper and idle rotation thereof
US20120298666A1 (en) 2010-01-28 2012-11-29 Si Joong Kwon Stopper for packaging container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785264B1 (fr) 1998-10-29 2001-01-05 Crown Cork & Seal Tech Corp Dispositif de bouchage
CN1830730A (zh) * 2005-01-01 2006-09-13 郭永军 铰接式防盗瓶盖
CA2691526A1 (en) * 2007-06-22 2008-12-31 Si Joong Kwon Container with anti-loss and anti-idle-rotation cap
JP5948181B2 (ja) * 2012-08-03 2016-07-06 日本クロージャー株式会社 合成樹脂製容器蓋
TWI589498B (zh) 2015-04-02 2017-07-01 邁可約瑟夫 麥奎爾 容器用之蓋子

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360126A (en) 1992-12-21 1994-11-01 Zapata Industries, Inc. Tamper-evident plastic closure with 2-tier bridge arrangement
US20110174760A1 (en) 2008-10-09 2011-07-21 Tetra Laval Holdings & Finance S.A. Stopper having a subdivided line of weakness and a method of fabricating such a stopper
US20120285921A1 (en) 2010-01-25 2012-11-15 Si-Joong Kwon Container for preventing loss of stopper and idle rotation thereof
US20120298666A1 (en) 2010-01-28 2012-11-29 Si Joong Kwon Stopper for packaging container
CN102700822A (zh) 2012-05-15 2012-10-03 李红彪 瓶盖

Also Published As

Publication number Publication date
WO2020099199A1 (de) 2020-05-22
EP3880573C0 (de) 2023-06-07
EP3880573A1 (de) 2021-09-22
WO2020099516A1 (de) 2020-05-22
HUE063658T2 (hu) 2024-01-28

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