EP3609799A1 - Stopper assembly comprising a cap covering a capsule - Google Patents
Stopper assembly comprising a cap covering a capsuleInfo
- Publication number
- EP3609799A1 EP3609799A1 EP18714800.2A EP18714800A EP3609799A1 EP 3609799 A1 EP3609799 A1 EP 3609799A1 EP 18714800 A EP18714800 A EP 18714800A EP 3609799 A1 EP3609799 A1 EP 3609799A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cap
- capsule
- peripheral wall
- outer peripheral
- tamper
- 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.)
- Withdrawn
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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0078—Lower closure of the 41-type
Definitions
- the invention relates to a closure cap, and in particular, although not exclusively, to a closure cap constituting a cap for coming to cover a closure cap of a container, including a screw cap .
- a closure assembly comprising a plastic closure cap covered by a cap.
- the capsule provides all the closure functions of a container and is provided for this purpose with a bottom, an inner sealing skirt and an outer peripheral wall with internal thread, ensuring the attachment to the neck of the container. 'a container. It also performs a function of first opening indicator, and is provided for this purpose with a tamper-proof ring connected by breakable bridges to the peripheral wall of the capsule.
- the outer cap provides an aesthetic function and has a peripheral wall that completely covers the peripheral wall and the tamper-proof ring of the capsule. The outer cap is also part of the closure assembly held by the consumer to open and close the container.
- This cap offers a certain freedom to design and evolve outer forms of the closure assembly, especially for aesthetic issues, without having to change the functional parts of capping. But insofar as the peripheral wall of the cap directly covers the peripheral wall of the capsule, the increase in the outer diameter of the cap at the peripheral walls is limited by the ability to increase the thickness of the peripheral wall of the cap. cap. Or the outer diameter is a determining element for the grip by a consumer trying to open or close the container.
- a closure assembly comprising: a capsule comprising a body and a tamper-proof strip connected to the body of the capsule by a breakable connection, the body of the capsule comprising an outer peripheral wall, and - a one-piece plastic cap at least partially covering the capsule, the cap comprising a body and a tamper-evident strip connected to the body of the cap by a breakable connection, the body of the cap comprising a face interior covering the outer peripheral wall of the capsule, the tamper-evident band of the cap comprising at least one hooking relief to the tamper-evident band of the cap, the body of the cap comprising at least one support relief turned radially towards the cap; and elastically deformed in abutment against the inviolability band of the capsule or the breakable connection of the capsule and able, after rupture the link breakable cap and the
- the cohesion between the cap and the cap is provided by the hooking relief of the tamper-evident band of the cap before first opening, and then by the support relief after the first opening. It is not necessary to provide a collage of the capsule inside the cap. Nor is it necessary to provide significant dimensional interference between the outer peripheral wall of the capsule and the inner face of the cap which would allow a press fit, but with assembly difficulties.
- the breakable connection of the cap comprises breakable bridges or a film of material.
- the body of the cap comprises an annular outer peripheral wall covering the breakable connection of the cap, and preferably the tamper band of the cap.
- the breakable connection of the cap is preferably made in the injection mold with the aid of a retractable core.
- the body of the cap comprises an inner skirt forming the inner face, the inner skirt being located radially inside and at a distance from the annular outer peripheral wall of the cap, the breakable connection of the cap. being formed at a free end of the inner skirt.
- the cap body thus has two distinct peripheral walls, namely the inner skirt for the connection with the capsule and the outer peripheral wall for grip and aesthetics.
- the body of the cap has reinforcing bridges extending radially from the inner skirt to the outer peripheral wall of the cap. These reinforcements give the outer peripheral wall the rigidity that is necessary for its handling.
- the body of the cap completely covers the body of the capsule.
- the cap thus provides complete protection of the capsule, for example against ultraviolet radiation if the cap is opaque.
- the cap may have an annular bottom to see a portion of the bottom of the capsule, to identify for example the color of the capsule if it is linked to a coding of the contents of the container.
- the inner face of the cap has a shape conjugate to the outer peripheral wall of the capsule.
- This complementarity of form contributes to a good mechanical connection between the two parts, especially when a torque is exerted on the cap during the opening of the container.
- the conjugate forms are not forms of revolution.
- the outer peripheral wall of the capsule has flutes turned radially outwardly. In addition to their contribution to the mechanical strength of the torsion capping assembly, these flutes make the capsule compatible with use without a cap. In such a use, the grooves give the outer wall of the capsule a surface condition that promotes its grip and unscrewing.
- the breakable connection of the capsule is constituted by a cut without removal of material or a film of continuous circular material.
- the outer peripheral wall of the capsule comprises radially inward facing reliefs, for example one or more threads or a bayonet connection which are intended to allow the attachment of the capsule to a container neck.
- it relates to a container having a neck provided with fixing reliefs, and closed by a closure assembly as described above, the reliefs of fixing the collar cooperating with the reliefs for fixing the capsule of the closure assembly.
- a capsule comprising a body and a tamper band connected to the body of the capsule by a breakable connection
- the body of the capsule comprising an outer peripheral wall having radially inwardly-facing fixing reliefs
- the method according to which a cap made of one-piece plastics material is assembled on the capsule, the cap comprising a body and a tamper-evident band connected to the body; of the cap by a breakable connection, so that an inner face of the body of the cap covers the outer peripheral wall of the capsule, and that the inviolability band of the cap comes snap into a hooking relief to the inviolability band of the capsule, the body of the cap having a support relief rotated radially inwards and elastically deformed in abutment against the inviolent band ability of the capsule or the breakable connection of the capsule; and breaking the breakable connection of the capsule and the breakable connection of the cap by releasing the retaining relief which is positioned by elastic expansion in
- the assembly is purely mechanical: no adhesive supply, especially glue, is provided during assembly or before it.
- the capsule on a container neck by the fixing reliefs before assembling the cap on the capsule.
- a cap for a closure assembly as described above.
- it relates to a one-piece plastic cap, comprising a body forming a bottom and an annular outer peripheral wall projecting axially from the bottom in a direction of closure and having having a free end, the cap having a tamper band located radially inside and away from the outer peripheral wall and connected to the body by a breakable connection, the breakable connection being closer to the bottom than the free end.
- the cap thus described may be used alone or in combination with a capsule that it covers.
- the tamper band is a closed ring, which is intended to remain on the neck of the container after opening.
- the breakable connection comprises breakable bridges or a film of material.
- the tamper-evident band comprises one or more hooking protrusions projecting radially inwardly.
- the hooking relief or reliefs can in particular be located at a lower free end of the tamper-evident band. They can in particular be used for fixing the cap to an inner capsule, before the first opening of the container.
- the cap delimits a cavity closed by the bottom, extending radially inside the tamper-evident band and extending axially from the tamper-proof strip to the bottom.
- the cavity is intended to house the body of a capsule covered by the cap.
- the cavity is delimited radially by the tamper-evident band and by an inner peripheral face extending from the bottom to the tamper-evident band and connected to the tamper-evident band by the breakable connection.
- the inner peripheral face comprises at least one protruding protruding protrusion radially inward.
- the support relief allows in particular to ensure the attachment of the cap to an inner capsule after first opening.
- the inner peripheral face comprises grooves. These grooves make it possible to adapt the cap to a capsule having corresponding outer splines, and contribute to securing rotation between cap and cap.
- the cap has an inner skirt projecting axially from the bottom and forming the inner peripheral face and the tamper-evident band.
- This arrangement makes it possible to increase the distance measured radially between the tamper-evident band and the outer peripheral wall, without excessively increasing the thickness of the walls and the quantity of material used.
- the cap comprises reinforcing material bridges extending radially from the inner skirt to the outer peripheral wall. The reinforcing bridges ensure the rigidity of the assembly, including the outer peripheral wall, which is intended to be taken in hand to open and close the container.
- a closure assembly comprising the cap described above and a capsule housed in the cavity of the cap.
- the closure cap is then intended to provide the bulk of the closure functions of the container, and the cap interfacing functions with the user.
- the attachment reliefs of the tamper-evident band of the cap provide the mechanical strength of the cap on the capsule before the first opening and are preferably snapped to a lower free end of the capsule.
- the capsule has an outer peripheral wall in contact with the inner peripheral face of the cavity, and preferably of form conjugated thereto.
- the capsule has radially outwardly-directed splines interpenetrating with corresponding splines formed within the body of the cap. These flutes reinforce the mechanical connection between the cap and the capsule, in particular in torsion around the reference axis.
- the capsule comprises and a tamperproof ring connected by a breakable connection to the outer peripheral wall of the capsule, and the retaining relief is located axially between the tamper-proof ring of the capsule and the outer peripheral wall of the capsule.
- the retaining relief ensures the mechanical strength of the cap on the capsule at the latest from the moment when the inviolability ring of the capsule separates from the outer peripheral wall of the capsule.
- the breakable connection is constituted by a cut without removal of material or by a film of continuous circular material.
- the capsule comprises a bottom in contact with the bottom of the cap.
- the outer peripheral wall of the capsule comprises fixing reliefs, for example one or more threads or a bayonet connection which are intended to allow the attachment of the capsule to a container neck.
- FIGS. 1A and 1B a step of assembling a cap according to a mode embodiment of the invention on a closure cap of a container, already attached to a neck of the container, to form a closure assembly
- - Figure 2 a closure assembly according to the invention, constituted by the cap and the capsule of Figure 1, at the end of the assembly step
- Figures 3A and 3B the closure assembly of Figure 2, in a state after first opening.
- identical or similar elements are identified by identical reference signs throughout the figures.
- FIGS. 1A and 1B is illustrated a step of assembling a cap 10 on a closure cap 12, to form a closure assembly 14 illustrated in FIG. 2.
- the capsule 12 of Figure 1B made of a single piece of plastic material, comprises a body 16 and a tamper-evident band 18 connected to the body by a breakable connection 20.
- the body 16 has a bottom wall 22 and a substantially cylindrical outer annular peripheral wall 24 projecting from the bottom wall 22.
- the annular peripheral wall 24 is provided with an internal thread 26 allowing it to be screwed onto an external thread 27 of a threaded neck 28 of the container.
- An inner sealing skirt 30 protrudes from the bottom 22 of the capsule 12, inside and away from the annular peripheral wall 24, and has a bead projecting radially outwardly to form a contact annular with an inner cylindrical face 32 of the container neck closed by the capsule.
- a sealing lip 34 located radially between the inner skirt 30 and the outer peripheral wall 24, also projects from the bottom 22 to come into contact with an upper rim of the neck of the container 28.
- the outer peripheral wall 24 is preferably provided, on its outer face, splines 36 intended to promote a grip of the capsule 12 for its screwing and unscrewing, in the absence of cap 10.
- the tamperproof band 18 is located in the axial extension of the outer peripheral wall 24 and connected thereto by a partial cut without removal of material in a portion of the thickness of the material constituting the breakable connection 20 Remarkably, the breakable connection 20 thus formed between the outer peripheral wall 24 and the tamper-evident strip 18 is only slightly visible to the naked eye and does not result in a depression on the outer surface of the capsule. 12.
- the tamper-evident band 18 is provided with an attachment zone 38 projecting radially inwardly, which may be constituted by an annular bead profiled hook, or by individual hooks, to snap by elastic deformation under a fastening flange 40 of the container neck 28.
- the capsule 12 thus described is known and can be used alone to close the neck 28 of a container, as shown in Figure 1B.
- the cap 10 of Figure 1A also made of plastic and monobloc, comprises a body 42 and a tamper band 44 connected to the body 42 by a breakable connection 46.
- the body 42 forms a bottom 48 defining an axis 100, a solid annular outer peripheral wall 50 projecting axially from the bottom 48 in a closing direction parallel to the reference axis 100 and an inner skirt 52 projecting axially from the bottom 48 in the closing direction, radially and axially inside the outer peripheral wall 50.
- the inner skirt 52 defines with the bottom 48 a cavity 54 for housing the body 16 of the capsule 12 and forms for this purpose an inner peripheral face 56 to the dimensions of the outer wall 24 of the body 16 of the capsule 12, taking again in particular the imprint 58 of the grooves 36 of the outer wall 24 of the capsule 12.
- the inner skirt 52 also has individualized support projections 60 arranged on its circumference, away from the bottom 48, and projecting radially inwardly. .
- the distance D1 between the support reliefs 60 and the bottom 48 of the cap 10 is greater than or equal to the distance H1 between the outer face of the bottom 22 of the capsule and the breakable connection 20 of the capsule 12.
- the tamper evident band 44 of the cap 10 located in the extension of the inner skirt 52, has one or more attachment reliefs 62 projecting radially inwardly.
- the distance D2 between the hooking reliefs 62 and the bottom 48 of the cap 10 is greater than or equal to the total height H2 of the capsule 12.
- the breakable connection 46 between the inner skirt 52 and the tamper band 44 of the cap comprises in this example breakable bridges.
- the outer peripheral wall 50 of the cap 10 completely covers the inner skirt 52 and the tamper band 44 of the cap 10, which are located radially inside and away from the outer peripheral wall 50.
- the breakable connection 46 of the cap 10 is closer to the bottom 48 of the cap 10 than the free end flange 64 of the outer peripheral wall 50. This provision imposes constraints for the production of the cap 10 by molding. In practice, a mold with a retractable core is used for its manufacture.
- the body 42 of the cap 10 comprises bridges of reinforcing material 66 extending radially from the inner skirt 52 to the outer peripheral wall 50 to stiffen the structure of the body 42 of the cap 10.
- the cap 10 may be positioned in alignment with the capsule 12 already secured to the neck of a container 28, to then be fitted on the capsule 12 to cap it and cover it completely, as shown in Figure 2.
- the body 16 of the capsule 12 is housed in the cavity 54 of the cap 10, the bottom 22 of the capsule 12 being in abutment against the bottom 48 of the cap 10
- the support reliefs 60 of the cap 10 rest against the surface of the tamper-evident band 18 of the cap 12.
- the attachment reliefs 62 of the tamper-evident band 44 of the cap 10 have come, after elastic deformation, snap under the tamper band 18 of the capsule 12 and oppose a separation of the capsule 12 and the cap 10.
- the flutes 36 of the outer face of the outer peripheral wall 24 of the capsule 12 are engaged with the grooves 58 correspondan
- the capsule 12 is completely covered by the cap 10.
- the consumer unscrews the closure assembly 14 constituted by the capsule 12 and the cap 10. This unscrewing movement causes breakage of the breakable connections 20, 46 and the separation between the tamper-evident band 18 of the cap 12 and the body 16 of the cap 12, and between the tamper-evident band 44 of the cap 10 and the cap.
- body 42 of the cap 10 since the tamper-evident band 18 are held in abutment against the attachment flange 40 of the neck 28 of the container.
- the support reliefs 60 are elastically repositioned so as to interfere with a lower end rim 68 of the body 16 of the capsule, and oppose a separation of the capsule 12 and the cap 10, as illustrated in Figures 3A and 3B.
- the cap 10 according to the invention thus allows to optionally equip a capsule 12 already assembled on a container neck, even assuming that the body 16 of the capsule 12 is devoid of depressions that can form housing for hooking reliefs of the cap 10.
- the capsule 12 may be without flutes 36. It may also be without bottom 22, as long as the bottom 48 of the cap 10 is full.
- the attachment reliefs 60 of the capsule 12 to the container neck 28 may be constituted by a continuous or discontinuous thread, with one or more threads, or by bayonets, or by any other fixing relief.
- the capsule 12 may be made of plastic or metal material, or a combination of materials.
- the inner seal 34 may be attached in a material different from the bottom 22. It may be omitted.
- the inner skirt 30 of the capsule 12 may also be omitted.
- the bottom 48 of the cap 10 can be open, for example of annular shape, to reveal the bottom 22 of the capsule.
- the height of the outer wall 50 of the cap 10 may vary.
- the space between the outer wall 50 and the inner skirt 52 of the cap can be full, in which case the cap 10 has only one wall, whose outer surface has the functions of the outer peripheral wall 50 and whose inner surface has the functions of the inner skirt 52.
- the support reliefs 60 may be replaced by a single, preferably annular, support relief.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1753092A FR3064985B1 (en) | 2017-04-10 | 2017-04-10 | CLOSURE ASSEMBLY COMPRISING A CAPSULE COVERING A CAPSULE |
PCT/EP2018/059030 WO2018189112A1 (en) | 2017-04-10 | 2018-04-09 | Stopper assembly comprising a cap covering a capsule |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3609799A1 true EP3609799A1 (en) | 2020-02-19 |
Family
ID=58779225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18714800.2A Withdrawn EP3609799A1 (en) | 2017-04-10 | 2018-04-09 | Stopper assembly comprising a cap covering a capsule |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3609799A1 (en) |
FR (1) | FR3064985B1 (en) |
WO (1) | WO2018189112A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH716256A1 (en) * | 2019-06-05 | 2020-12-15 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Container closure for closing the pouring opening of a container and container with such a captive container closure. |
AT525129B1 (en) * | 2019-06-05 | 2023-08-15 | Alpla Werke Alwin Lehner Gmbh & Co Kg | container closure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19708909A1 (en) * | 1997-03-05 | 1998-09-10 | Bericap Gmbh & Co Kg | Plastic screw closure for bottles |
FR2793216B1 (en) * | 1999-04-20 | 2001-06-08 | Pechiney Emballage Alimentaire | COMPOSITE CAPPING CAPSULE |
WO2003066467A1 (en) * | 2002-02-04 | 2003-08-14 | Amcor Packaging (Australia) Pty Ltd | A tamper evident closure |
EP2007643A1 (en) * | 2006-04-20 | 2008-12-31 | Tetra Laval Holdings & Finance SA | Container comprising a neck equipped with a screwed closure |
JP2018527263A (en) * | 2015-09-22 | 2018-09-20 | ペプシコ・インク | Container closure with overcap device |
-
2017
- 2017-04-10 FR FR1753092A patent/FR3064985B1/en not_active Expired - Fee Related
-
2018
- 2018-04-09 WO PCT/EP2018/059030 patent/WO2018189112A1/en unknown
- 2018-04-09 EP EP18714800.2A patent/EP3609799A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2018189112A1 (en) | 2018-10-18 |
FR3064985A1 (en) | 2018-10-12 |
FR3064985B1 (en) | 2019-04-26 |
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