EP4161845B1 - Fermeture pour conteneur - Google Patents

Fermeture pour conteneur Download PDF

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Publication number
EP4161845B1
EP4161845B1 EP21736974.3A EP21736974A EP4161845B1 EP 4161845 B1 EP4161845 B1 EP 4161845B1 EP 21736974 A EP21736974 A EP 21736974A EP 4161845 B1 EP4161845 B1 EP 4161845B1
Authority
EP
European Patent Office
Prior art keywords
container
ring
screw cap
free edge
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.)
Active
Application number
EP21736974.3A
Other languages
German (de)
English (en)
Other versions
EP4161845C0 (fr
EP4161845A1 (fr
Inventor
Andreas Kainz
Franz-Michael LÄSSER
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.)
Alpla Werke Alwin Lehner GmbH and Co KG
Original Assignee
Alpla Werke Alwin Lehner GmbH and Co KG
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
Priority claimed from CH00672/20A external-priority patent/CH716857A2/de
Application filed by Alpla Werke Alwin Lehner GmbH and Co KG filed Critical Alpla Werke Alwin Lehner GmbH and Co KG
Publication of EP4161845A1 publication Critical patent/EP4161845A1/fr
Application granted granted Critical
Publication of EP4161845C0 publication Critical patent/EP4161845C0/fr
Publication of EP4161845B1 publication Critical patent/EP4161845B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • B65D2401/20—Frangible elements completely enclosed in closure skirt
    • 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

Definitions

  • the invention relates to a container closure for closing a container according to the preamble of claim 1 and to a container with such a container closure according to the preamble of claim 14.
  • closure caps which are held captively on the container and close its pouring opening.
  • Closure caps are also known which have two retaining straps which connect a threaded part of the closure cap to a guarantee ring of the closure cap. The two retaining straps can act as a hinge around which the threaded part can be folded away from the guarantee ring or from the container to be closed.
  • Such a cap is from the EP 2 308 772 A1 known.
  • the retaining straps are C-shaped and each have a weakening at their center of curvature at which the retaining strap can be bent. As a result, the retaining straps act together as a hinge for the threaded part.
  • a protruding piece which protrudes downwards is formed on the open edge of the threaded part. When the threaded part is in the unfolded position, the protruding piece comes into contact with the retaining ring of the container neck, which retaining ring holds the guarantee ring to the container neck. The protruding piece holds the threaded part in the unfolded position and prevents the threaded part from being an obstacle when pouring out a product contained in the container. However, when drinking from the bottle on which the cap is placed, the threaded part is an obstacle because it gets in the way of the user.
  • a closure cap which also has two retaining bands.
  • the ends of the retaining bands are alternately connected to the guarantee ring and the open edge of the threaded part, i.e. the ends of the retaining bands which are connected to the open edge of the threaded part and to the guarantee ring alternate.
  • the threaded part can with its top or its cylindrical side wall resting against the bottle neck.
  • a container with a screw cap according to the preamble of claim 1 is described, which is held by two retaining straps on a guarantee ring and thus indirectly also on the container after unscrewing.
  • a tongue is formed on the open edge of the screw cap between the two retaining straps. The tongue enables the screw cap to be held in a defined open position on the container. This means that the pouring of liquid from the container is not hindered by the screw cap.
  • WO 2022/077162 A1 is a similar screw cap as in the JP 2012 076771 A
  • a tongue is also formed between the two retaining straps.
  • the position of the ends of the retaining straps is different.
  • the invention is characterized in that the first, second, third and fourth ends are arranged in succession in the circumferential direction on the free edge or on the guarantee ring and that the length of the first or second retaining band is between 27% and 32% and preferably between 29% and 30% of the outer diameter of the screw cap.
  • the sequential arrangement of the first, second, third and fourth ends and the precisely coordinated length of the retaining straps mean that the screw cap, after being unscrewed and pushed away from the bottle neck, surprisingly turns itself with its inside facing upwards and jumps towards the support ring. With its free edge, the screw cap can be fixed under the support ring in the corner formed by the bottle neck and support ring. Snapping in below the support ring is intuitive for the user of the container closure.
  • the inside of the cap is oriented upwards in the open position. This means that any remaining filling material remains in the screw cap and cannot contaminate the outside of the container.
  • the lengths of the first and second retaining straps allow the screw cap to be locked with its free edge in the open position to the underside of a support ring formed beneath the container neck.
  • the retaining straps have a hinge function, through which the screw cap is oriented with the inside facing upwards after unscrewing and is positioned beneath the support ring. The open position therefore occurs automatically and no instructions are required for the correct use of the container closure.
  • the first and second retaining straps are the same length.
  • a first and a second bending point are provided on the first and second retaining straps at the second and fourth ends. These bending points make it easier to pivot the retaining straps outwards, thereby improving their joint function.
  • a first and second recess for receiving the first and second retaining bands is expediently provided on the edge of the guarantee ring facing the first and second retaining bands.
  • the first and second retaining bands can be formed from the guarantee ring in a space-saving manner and without additional material expenditure.
  • the first and second retaining bands can be cut out of the guarantee ring or formed during the manufacturing process of the closure cap.
  • the height of the guarantee ring is not increased by the provision of the retaining bands and no additional material expenditure is necessary.
  • an extension is formed between the second end and the second recess on the guarantee ring.
  • the extension keeps the guarantee ring sufficiently stable, even though the first and second recesses are provided on it.
  • a third recess is provided on the guarantee ring between the second end and the second recess.
  • the third recess is preferably V-shaped and improves the hinge function of the first retaining band.
  • the second and fourth ends enclose an opening angle of at least 60 degrees and at most 90 degrees and preferably of at least 70 and at most 80 degrees with respect to the center of the screw cap as the apex.
  • the first and second retaining straps are spaced apart from one another at a distance which enables the functions described above together with the lengths of the retaining straps.
  • the predetermined breaking bars are arranged at equal intervals along the free edge.
  • the guarantee ring is therefore held sufficiently firmly on the screw cap so that the container closure can be pushed onto the container neck.
  • the screw cap can also be unscrewed with equal force due to the even spacing of the predetermined breaking bars.
  • an inwardly projecting inner cone e.g. in the form of a sealing cylinder or a sealing ring
  • the closure cap can therefore act as a so-called “cone sealer” and reliably seals the bottle neck.
  • the seal can also be achieved by a "liner”.
  • the first and second retaining bands have a width of between 1.5 mm and 2.5 mm and preferably a width of between 1.8 mm and 2.2 mm. This dimensioning ensures that the retaining bands do not tear off accidentally, especially if the predetermined breaking webs are torn off.
  • the guarantee ring is not too high and can be joined together to form a seal with standardized container necks with external threads. It is preferred if the retaining bands have a cross-sectional area of 1 mm 2 .
  • the invention is also characterized in that the closure cap is designed to interact with a standardized container neck with an external thread and retaining ring.
  • the closure cap can therefore be placed on standardized container necks, in particular on PET beverage bottles.
  • Containers which are assembled with the closure cap according to the invention therefore do not have to be specially adapted to the closure cap.
  • the closure cap is preferably made of a plastic material, preferably HDPE (high density polyethylene) or PP (polypropylene).
  • the closure cap can therefore be made of standard plastic materials from which known closure caps with a guarantee ring are also made.
  • the screw cap, the guarantee ring, the retaining bands and the predetermined breaking webs are made in one piece. This allows the container closure to be produced in an injection mold without further processing steps being necessary to form the first and second retaining bands.
  • the inner cone is also preferably made in one piece together with the other parts of the container closure.
  • the inner cone is also manufactured in one piece together with the other parts of the container closure.
  • the guarantee ring has slots distributed over the circumference with an upper edge and a lower edge, the upper edge being formed by a circular arc-shaped section of the guarantee ring and the lower edge being formed by a wall section inclined inwards in the radial direction, and the lower edge of each slot forms the projections, whereby engagement means for a positive engagement with the retaining ring are formed. Since the engagement means in the form of the inwardly inclined wall sections are not present all the way around the guarantee ring and there are also slots whose shape reduces the use of material even further, the material requirement for plastic can be significantly reduced by up to 5%.
  • the wall section is immovable inwards in the radial direction, whereby the guarantee ring is held on the retaining ring and can only be pulled over it when the guarantee ring is stretched along its circumference.
  • the guarantee ring is held on the retaining ring by the wall sections in such a way that the predetermined breaking webs tear safely before the support of the wall sections is overcome.
  • the wall sections are flexible or movable in the radial outward direction. This means that the wall sections can be removed from the injection mold or injection molding tool with little effort. For the same reason, the application force for bouncing the container closure is significantly reduced compared to the state of the art. Expansion of the guarantee ring, which can lead to permanent damage to the container closure, is largely prevented during demolding and bouncing.
  • a projection is formed on the guarantee ring below the first and second recess.
  • a further aspect of the invention relates to a container comprising a container body, a container neck adjoining the container body, an external thread formed on the container neck and a support ring formed at the transition from the container neck to the container body, wherein the first, second, third and fourth End are arranged one after the other in the circumferential direction on the free edge or on the guarantee ring and the length of the first or second retaining band corresponds to between 28% and 32% and preferably between 29% and 31% of the external diameter of the support ring.
  • This length dimensioning of the first and second retaining bands allows the screw cap to be locked with its free end to the underside of the support ring.
  • the screw cap is locked with its free edge in the open position on the underside of the support ring.
  • the length of the retaining straps and their hinge function enable the screw cap to pivot towards the support ring and clamp itself there when pushed away from the bottle neck.
  • the screw cap is oriented in the open position with its free edge in the direction of the pouring opening. After opening, any remaining filling material, such as sugary lemonade, remains in the screw cap in the open position and therefore cannot contaminate or stick to the container neck.
  • a container closure is shown, which is designated overall with the reference number 11.
  • the closure cap 11 is held captive on a container 13, in particular on a bottle 13.
  • the container 13 is in the Figures 1 to 5
  • the closure cap 11 comprises a screw cap 15, a guarantee ring 17 and a first and a second retaining band 19a, 19b.
  • the screw cap 15 comprises a cover disk 21 and a first cylindrical shell 23 with a free edge 25.
  • An internal thread 27 is formed on the inside of the shell 23.
  • the container 13 comprises a container body 28 and a container neck 29 adjoining the container body 28.
  • the container neck 29 is designed as a second cylindrical shell.
  • An external thread 31 is formed on the container neck 29, which interacts with the internal thread 27. This allows the screw cap 15 to be screwed onto and off the container neck 29.
  • the closure cap 11 closes the pouring opening 33, which is provided inside the container neck 29.
  • the closure cap 11 is designed to interact with a standardized container neck 29 with external thread 31 and retaining ring 35.
  • the guarantee ring 17 is held in a form-fitting manner on the container neck 13.
  • a retaining ring 35 is formed on the outside of the container neck 29, which can be gripped by projections 37 formed on the inside of the guarantee ring 17 ( Figure 7 and 8 ).
  • the guarantee ring 17 is rotatable relative to the container neck 29.
  • the first arm 19a has a first end 39 and a second end 41.
  • the first end 39 is firmly connected to the free edge 25.
  • the second end 41 is firmly connected to the guarantee ring 17. As a result, the container closure 11 is held captive on the container 13.
  • the second arm 19b has a third end 51 and a fourth end 53.
  • the third end 51 is firmly connected to the free edge 25.
  • the fourth end 53 is firmly connected to the guarantee ring 17.
  • the closure cap 11 is additionally held captively on the container 13.
  • the guarantee ring 17 is held on the free edge 25 by a plurality of predetermined breaking webs 63, which break when the screw cap 15 is unscrewed from the container neck 29.
  • the predetermined breaking webs 63 are preferably arranged at equal intervals on the guarantee ring 17.
  • first and second arms 19a, 19b have a width between 1.8 mm and 2.2 mm, or have a width which corresponds to at least 15% of the height of the guarantee ring, so that they are sufficiently stable. It is preferred if the retaining bands 19a, 19b have a cross-sectional area of 1 mm 2 .
  • the screw cap 15 is located according to the Figure 1 in a closed position in which it is pushed or screwed onto the container neck 29.
  • the first and second retaining bands 19a, 19b are pulled upwards in the axial direction ( Figure 2 ).
  • the retaining straps are also elastically stretchable so that the screw cap 15 can be unscrewed from the container neck 29 and folded away.
  • a first and a second recess 65,67 are provided on the guarantee ring 17.
  • the first and the second retaining band 19a,19b are accommodated in the first and the second recess 65,67. This makes it possible to machine the first and the second retaining band 19a,19b directly out of the guarantee ring 17, for example by cutting them out of the guarantee ring 17.
  • the first, second, third and fourth ends 39, 41, 51, 53 are arranged one after the other in the circumferential direction on the free edge 25 and on the guarantee ring 17, respectively.
  • an extension 43 is formed, which is part of the guarantee ring 17 between the two retaining bands 19a, 19b.
  • a third recess 57 is provided on the guarantee ring 17, which provides a hinge function at the second end 41 of the first retaining band 19a. The third recess 57 therefore enables the first retaining band 19a to be folded outwards without material resistance of the guarantee ring 17.
  • the first and second retaining bands 19a, 19b act as a hinge around which the screw cap 15 can be folded into the open position.
  • the hinge effect is improved by the first and second bending points 69, 71.
  • the first and second bending points 69, 71 are provided at the second and fourth ends 41, 53, respectively.
  • a support ring 72 is formed at the transition between the container neck 29 and the container body 28.
  • the length of the first and second retaining bands 19a, 19b is such that the screw cap 15 can be locked with its free edge 25 to the underside of the support ring in the open position.
  • the first and second retaining bands 19a, 19b are preferably tensioned or elastically stretched.
  • the arrangement of the ends of the retaining bands 19a, 19b, i.e. that in the circumferential direction the first end 39 is followed by the second end 41, the third end 51 and the fourth end 53 and a certain length of the first and second retaining bands 19a, 19b have the advantage that the screw cap 15 can be intuitively turned upwards and can be locked with its free edge 25 to the support ring 72.
  • the closure cap 11 or the guarantee ring 17 Since the closure cap 11 or the guarantee ring 17 is rotationally symmetrical, it has a center point 73.
  • the center point 73 lies in the imaginary plane between the free edge 25 and the guarantee ring 17.
  • the second end 41 and the fourth end 53 enclose an opening angle 75 of at least 60 degrees and at most 90 degrees and preferably of at least 70 and at most 80 degrees with respect to the center point 73 as the vertex.
  • the closure cap 11 If the closure cap 11 is pushed onto the container neck 29, the pouring opening 33 is closed by the closure cap 11 and the closure cap 11 is in the closed position.
  • the predetermined breaking bars 63 break.
  • the guarantee ring 17 rotates with the Screw cap 15. During unscrewing, the first and second retaining straps 19a, 19b can straighten up.
  • the screw cap 15 is folded into the open position after being unscrewed from the container neck 29, in that the screw cap 15 automatically springs upwards with its free edge in the direction of the support ring 72.
  • the free edge 25 can then be fixed underneath the support ring 72.
  • the length of the first and second retaining bands 19a, 19b must be precisely coordinated in order to enable the locking function. If the length of the retaining bands 19a, 19b is too long, the free edge 25 is not pulled sufficiently tightly against the support ring 72. If the length of the retaining bands 19a, 19b is too short, the free edge 25 cannot be pulled under the support ring 72 and hinders the pouring of filling material from the pouring opening 33.
  • the screw cap 15 In the open position, the screw cap 15 is held captive on the container 13 and is fixed to the container neck 29 in such a way that it does not protrude into the pouring opening 33 when liquid is poured out of the container 13. In the open position, the inside of the cap faces upwards, so that any filling material adhering to the screw cap 15 remains in it and cannot contaminate the container neck 29. This is a great advantage, especially for drinks containing sugar, as these cannot stick to the container body.
  • the first and second retaining bands 19a, 19b allow the screw cap 15, after it has been unscrewed from the container neck 29, to be moved into the open position in a forced folding movement. Due to the forced guidance and the length of the retaining bands 19a, 19b, there is only one open position and not several.
  • the length and cross section of the first and second retaining bands 19a, 19b are preferably dimensioned such that the first and second retaining bands 19a, 19b are elastically tensioned in the open position of the screw cap 15. As a result, the screw cap 15 is pulled into the corner between the container neck 29 and the support ring 72 in the open position and is held in this corner without wobbling.
  • the elastic pre-tension of the first and second retaining bands 19a, 19b also allows the screw cap to be moved several times from the open position to the closed position and vice versa. This allows the container 13 to be opened and closed several times and the screw cap 15 is held stable and wobble-free in the open position each time after opening.
  • the projections 37 can be arranged according to the following figure description of the Figures 7 and 8 This embodiment of the projections 37 is the content of the Swiss patent applications with the application numbers 01467/19 and 01695/19, the disclosures of which are hereby incorporated into the present patent application.
  • Slots 97 are provided on the guarantee ring 17, distributed over the circumference.
  • the slots 97 each have an upper edge 99 and a lower edge 101.
  • the upper edge 99 is formed by a circular arc-shaped section of the guarantee ring 17.
  • the lower edge 101 corresponds to the free edge of a wall section 103 inclined inwards in a radial direction.
  • the lower edge 101 Due to the inward inclination of the wall section 103, the lower edge 101 has a smaller radius than the guarantee ring 17 and can therefore strike an abutment (retaining ring 35) of the container neck 29 when the screw cap 15 is unscrewed from the container neck 29.
  • the abutment is realized by the retaining ring 35, which is formed below the external thread 31 on the container neck 29.
  • the lower edge 99 engages the retaining ring 35 in a form-fitting manner, whereby the guarantee ring 17 is reliably held on the retaining ring 35 even under high axial forces.
  • Each wall section 101 has a first section 105 and two second sections 107.
  • the first section 105 represents a jacket section folded inwards and is preferably flat.
  • the second sections 107 adjoin the inward-facing sides of the first section 105 and connect it to the guarantee ring 17.
  • the second sections 107 can be curved or flat and face each other obliquely inwards.
  • the lower edge 101 of the slot 97 corresponds to the free edges of the first section 105 and the second sections 107 and lies in a plane 109, which is shown in Figure 10.
  • the plane 109 is preferably oriented perpendicular to the axis of rotation 110 of the container neck 29.
  • the described design features of the wall section 103 have the advantage that the wall section 103 can rest against the retaining ring 35 with the entire lower edge 101 and does not give way when an axial pulling force is applied upwards in the manner of a barb. As a result, the guarantee ring 17 is held inseparably on the retaining ring 35 or can only be removed from the retaining ring 35 by destroying it. A movement of the first partial section 105 inwards in the radial direction is prevented by providing the second partial sections 107. A movement of the first partial section 105 outwards in the radial direction is, however, possible. This movement is flexible and the wall section 103 returns to its inwardly inclined basic position after it has been pressed radially outwards.
  • guarantee ring 17 can be easily demolded and can be pressed onto the container neck 29 together with the screw cap 15 with little force.
  • the removal from an injection mold and the slamming onto the container neck 29 can be carried out due to the flexibility of the wall section 103 without there being any risk of the wall section 103 being damaged.
  • the inclined wall sections 103 have a reduced wall thickness compared to the rest of the guarantee ring 17.
  • the area of the lower edge 101 has the smallest wall thickness.
  • the wall thickness of the wall section 103 increases linearly downwards from the lower edge 101.
  • the first angle of inclination 113 indicates the inclination of the first section 105 relative to the plane of the lower edge 101.
  • the first angle of inclination 113 has a size between 60 and 80 degrees and preferably between 65 and 75 degrees. The larger the first angle of inclination 113, the better the stability of the wall sections 103 against vertical forces or axial tensile forces caused by unscrewing the screw cap 15. However, the first angle of inclination 113 must not be too large, since otherwise the retaining ring 35 cannot be sufficiently gripped.
  • the second angle of inclination 115 indicates the inclination of the slot 97 relative to the plane of the lower edge 111.
  • the connecting line 117 which represents the inclination of the slot 97, is a connection of the upper edge 99 with the lower edge 101 in a plane which is spanned by the rotation axis 110 and the connecting line 117.
  • the second angle of inclination 115 is enclosed by the connecting line 117 and the plane 109.
  • the second angle of inclination 115 has a size between 30 and 50 degrees and preferably between 35 and 45 degrees. The larger the second angle of inclination 115, the easier the guarantee ring 17 can be demolded.
  • an inwardly projecting inner cone 87 ( Figure 5 and 6 ), e.g. in the form of a sealing cylinder or a sealing ring.
  • the inner cone 87 is designed to cooperate sealingly with the inner wall 89 of the container neck 29 in the closed position.
  • the closure cap 11 can therefore act as a so-called “cone sealer” and reliably seals the container neck 29.
  • the closure cap 11 is made of a plastic.
  • Preferred plastics include PP and HDPE.

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

Claims (17)

  1. Fermeture de récipient (11) pour fermer l'ouverture verseuse (33) d'un récipient (13) qui présente
    - un capuchon à vis (15) avec un bord libre (25), une première enveloppe cylindrique (23), un disque couvercle (21) et un filet intérieur (27) configuré sur le côté intérieur de l'enveloppe (23) qui peut coopérer avec un filet extérieur (31) d'un col de récipient (29) du récipient (13),
    - un anneau de garantie (17) qui est configuré pour être maintenu sur une première saillie moulée sur le col du récipient (29), en particulier un anneau de retenue (25),
    - une multitude de pattes de rupture (63) qui relient l'anneau de garantie (17) de manière amovible au bord libre (25),
    - une première bande de retenue (19a) avec une première et une seconde extrémité (39, 41), cependant que la première extrémité (39) est reliée de manière fixe au bord libre (25) du capuchon à vis (15) et la seconde extrémité (41) est reliée de manière fixe à l'anneau de garantie (17) et
    - une seconde bande de retenue (19b) avec une troisième et une quatrième extrémité (51, 53), cependant que la troisième extrémité (51) est reliée de manière fixe au bord libre (25) du capuchon à vis (15) et la quatrième extrémité (53) est reliée de manière fixe à l'anneau de garantie (17),
    cependant que le capuchon à vis peut être rabattu d'une position de fermeture dans laquelle il ferme l'ouverture verseuse (33) dans une position ouverte dans laquelle il libère complètement l'ouverture verseuse (33) et vice-versa,
    cependant que la première, la seconde, la troisième et la quatrième extrémité (39, 41, 51, 53) sont placées dans le sens circonférentielle en se suivant sur le bord libre (25) ou sur l'anneau de garantie (17),
    caractérisée en ce que
    la longueur de la première ou de la seconde bande de retenue (19a, 19b) correspond à entre 27 % et 32 % et de préférence entre 29 % et 30 % du diamètre extérieur du capuchon à vis (15).
  2. Fermeture de récipient selon la revendication 1, caractérisée en ce que les longueurs de la première et de la seconde bande de retenue (19a, 19b) permettent que le capuchon à bis (15) puisse être enclenché avec son bord libre (25) dans la position ouverte sur le côté inférieur d'un anneau de support (72) configuré en dessous du col du récipient (29).
  3. Fermeture de récipient selon l'une des revendications 1 ou 2, caractérisée en ce qu'un premier ou un second point de pliure (69, 71) est prévu à la seconde et à la quatrième extrémité (41, 53) sur la première ou la seconde bande de retenue (19a, 19b).
  4. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce qu'un premier et un second évidement (65, 67) est prévu sur le bord de l'anneau de garantie (17) tourné vers la première et la seconde bande de retenue (19a, 19b) pour recevoir la première et la seconde bande de retenue (19a, 19b).
  5. Fermeture de récipient selon la revendication 4, caractérisée en ce qu'un appendice (43) est moulé sur l'anneau de garantie entre la seconde extrémité (41) et le second évidement (67).
  6. Fermeture de récipient selon l'une des revendications 4 ou 5, caractérisée en ce qu'un troisième évidement (57) est prévu sur l'anneau de garantie (16) entre la seconde extrémité (41) et le second évidement (67).
  7. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que la seconde et la quatrième extrémité (41, 53) incluent un angle d'ouverture (75) d'au moins 60 degrés et d'au plus 90 degrés et de préférence d'au moins 70 et d'au plus 80 degrés par rapport au centre (73) de l'anneau de garantie (17) comme sommet.
  8. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que les pattes de rupture (63) sont placées à intervalles réguliers le long du bord libre (25).
  9. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce qu'un cône intérieur (87) qui fait saillie vers l'intérieur, par exemple en forme de cylindre d'étanchéité ou d'anneau d'étanchéité, est moulé sur le disque couvercle (21), cône qui est configuré pour coopérer de manière étanche avec la paroi intérieure (89) du col de récipient (29) en position de fermeture.
  10. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que la première et la seconde bande de retenue (19a, 19b) ont une largeur entre 1,5 mm et 2,5 mm et de préférence une largeur entre 1,8 mm et 2,2 mm.
  11. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que le capuchon de fermeture (11) est configuré pour coopérer avec un col de récipient standardisé (29) avec un filet extérieur (31) et un anneau de retenue (35).
  12. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que le capuchon de fermeture (11) est fabriqué en un matériau plastique, de préférence en PP ou en PEHD.
  13. Fermeture de récipient selon l'une des revendications précédentes, caractérisée en ce que le capuchon à vis (15), l'anneau de garantie (17), la première et la seconde bande de retenue (19a, 19b) et les pattes de rupture (63) sont fabriquées en une pièce.
  14. Récipient qui présente
    - un corps de récipient (28),
    - un col de récipient (29) qui se rattache au corps de récipient (28),
    - un filet extérieur (31) configuré sur le col de récipient (29),
    - un anneau de support (72) configuré à la transition du col de récipient et du corps de récipient (28),
    caractérisé en ce que le récipient présente une fermeture de récipient (11) selon la revendication 1.
  15. Récipient selon la revendication 14, caractérisé en ce que le capuchon à vis (15) est enclenché avec son bord libre (25) dans la position ouverte sur le côté inférieur de l'anneau de support (72).
  16. Récipient selon la revendication 14 ou 15, caractérisé en ce que le capuchon à vis (15) est orienté en position ouverte avec son bord libre (25) en direction de l'ouverture verseuse (33).
  17. Récipient selon l'une des revendications 14 à 16, caractérisé en ce que le capuchon de fermeture est un capuchon de fermeture (11) selon l'une des revendications 1 à 13.
EP21736974.3A 2020-06-05 2021-06-04 Fermeture pour conteneur Active EP4161845B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00672/20A CH716857A2 (de) 2019-11-20 2020-06-05 Behälterverschluss.
PCT/EP2021/064978 WO2021245218A1 (fr) 2020-06-05 2021-06-04 Fermeture de récipient

Publications (3)

Publication Number Publication Date
EP4161845A1 EP4161845A1 (fr) 2023-04-12
EP4161845C0 EP4161845C0 (fr) 2024-07-31
EP4161845B1 true EP4161845B1 (fr) 2024-07-31

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EP21736974.3A Active EP4161845B1 (fr) 2020-06-05 2021-06-04 Fermeture pour conteneur

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US (1) US20230264873A1 (fr)
EP (1) EP4161845B1 (fr)
BR (1) BR112022023867A2 (fr)
MX (1) MX2022014727A (fr)
PL (1) PL4161845T3 (fr)
WO (1) WO2021245218A1 (fr)
ZA (1) ZA202212772B (fr)

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Publication number Priority date Publication date Assignee Title
USD1027646S1 (en) * 2021-01-13 2024-05-21 Deltona Innovations Ag Closure cap for container
FR3151308A1 (fr) * 2023-07-18 2025-01-24 Albea Services Réceptacle pour produit, notamment cosmétique
DE102024102155A1 (de) * 2024-01-25 2025-07-31 Alpla Werke Alwin Lehner Gmbh & Co. Kg Behälter mit Stützflansch und Behälterschulter für einen Sleeving-Prozess

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20200283201A1 (en) * 2018-10-12 2020-09-10 Closure Systems International Inc. Twist And Flip Lock Closure

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Publication number Priority date Publication date Assignee Title
DE9318243U1 (de) * 1993-11-29 1994-02-10 Crown Cork Ag, Reinach Kunststoff-Schraubkappe mit Garantieband und Fangband
FR2785264B1 (fr) * 1998-10-29 2001-01-05 Crown Cork & Seal Tech Corp Dispositif de bouchage
RU2478542C2 (ru) 2008-07-08 2013-04-10 Джапан Краун Корк Ко., Лтд. Выполненная из синтетической смолы крышка контейнера
JP5520768B2 (ja) * 2010-09-30 2014-06-11 日本クロージャー株式会社 合成樹脂製容器蓋
US11312544B2 (en) * 2020-03-30 2022-04-26 ThisCap, Inc. Cap for container
US10836549B2 (en) 2015-04-02 2020-11-17 Thiscap Inc. Cap for container

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US20200283201A1 (en) * 2018-10-12 2020-09-10 Closure Systems International Inc. Twist And Flip Lock Closure

Also Published As

Publication number Publication date
PL4161845T3 (pl) 2024-10-14
EP4161845C0 (fr) 2024-07-31
BR112022023867A2 (pt) 2022-12-20
EP4161845A1 (fr) 2023-04-12
ZA202212772B (en) 2023-11-29
WO2021245218A1 (fr) 2021-12-09
MX2022014727A (es) 2023-01-04
US20230264873A1 (en) 2023-08-24

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