EP3921248B1 - Closure for a spout of a flexible thin-walled packaging - Google Patents
Closure for a spout of a flexible thin-walled packaging Download PDFInfo
- Publication number
- EP3921248B1 EP3921248B1 EP20706590.5A EP20706590A EP3921248B1 EP 3921248 B1 EP3921248 B1 EP 3921248B1 EP 20706590 A EP20706590 A EP 20706590A EP 3921248 B1 EP3921248 B1 EP 3921248B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure
- overcap
- wall
- spout
- collar
- 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- Withdrawn - After Issue
Links
Images
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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
- B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
- B65D47/142—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for threaded caps
- B65D47/143—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for threaded caps with internal parts
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
-
- 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
- B65D2401/25—Non-metallic tear-off strips
-
- 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 grip wall 20 is radially spaced from the overcap wall 18, forming axial anti-suffocation passages 22.
- the spout 110 comprises a grip portion 120 for engaging the connecting means with the collar 30.
- said grip portion 120 is delimited by a lower plate 122 and a ring 124, preferably chamfered, for engagement with the collar 30.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cartons (AREA)
Description
- The present invention relates to a closure for a spout of a thin-walled flexible packaging, usually called a "pouch".
- As is known, these packages are widely used to contain products such as fruit juices and purees, yoghurt, energy drinks and the like.
- They are especially appreciated for their enormous ease of use, as the spout allows the product to be dispensed directly into the mouth, and as regards children's products, for the fun inherent in the use of the spout.
- Usually, the packaging includes a cap screwed to the spout, provided with a guarantee seal which shows the first use thereof.
- Once the cap is unscrewed from the spout, it remains in the user's hand, usually in the other hand with respect to the one used for drinking, or, in the case of children, it is given to the helper. Since it is inconvenient to hold it in one's hand and given its small size, the risk is that the cap is thrown away or lost, without taking into account the correct disposal thereof. A closure according to the preamble of claim 1 is known from
WO-A1-2018/020365 . - The object of the present invention is to provide a closure for a spout of a thin-walled flexible packaging which meets the requirements of the field and which overcomes the drawbacks mentioned above with reference to the prior art.
- Such an object is achieved by a closure according to claim 1; the dependent claims describe further advantageous embodiments.
- The features and the advantages of the closure according to the present invention will appear more clearly from the following description, made by way of an indicative and non-limiting example with reference to the following figures, in which:
- -
figure 1 shows a closure according to an embodiment of the present invention, with separate parts; - -
figure 2 shows a sectional view of an overcap of the closure offigure 1 ; - -
figure 3 shows the section offigure 2 according to a plan view; - -
figure 4 shows a sectional view of a closure according to the present invention, applied to a spout; - -
figure 5 shows an enlarged view of a detail offigure 4 ; and - -
figure 6 shows the closure applied to the spout, in a condition subsequent to the first opening. - With reference to the accompanying tables, reference numeral 1 generally indicates a closure for a spout of a thin-walled flexible packaging, according to an embodiment of the present invention.
- The closure 1 comprises a
closure body 2 and anovercap 4, to which theclosure body 2 is stably applicable. - The
closure body 2 comprises anannular body wall 6 having a main axis X and a predefined height along said main axis X; thebody wall 6 extends between aclosure base 10 and an annularbody wall edge 7 for insertion of theclosure body 2 on the spout. - The
body wall 6 is internally threaded (thread 14) for screwing onto the spout. - The
overcap 4 comprises aclosure compartment 16, for example delimited by anannular overcap wall 18, suitable for at least partially housing theclosure body 2. - The
overcap wall 18 extends along said main axis X between anovercap wall edge 18a and anovercap base 18b which acts as a closure. - The
overcap 4 comprises a plurality offins 19, protruding radially externally from theovercap wall 18, and anannular grip wall 20, continuous or in sections, made integral with theovercap 18 by said fins. - By virtue of the
fins 19, thegrip wall 20 is radially spaced from theovercap wall 18, forming axialanti-suffocation passages 22. - Preferably, the
closure body 2 is housed in theclosure compartment 16 so as to be axially and rotationally constrained. - For example, the
body wall 6 of theclosure body 2 has a plurality ofaxial ribs 24 protruding externally, while theovercap wall 18 internally has a corresponding plurality ofaxial grooves 26, each groove being suitable for accommodating the respective rib, thus creating a relative constraint in rotation. - Furthermore, in the vicinity of the
closure base 10, theclosure body 2 comprises at least onering 23 which engages in theclosure compartment 16, in the vicinity of at least onerespective groove 25 close to theovercap base 18b to achieve a relative axial constraint. - A spout-
closure assembly 100, consisting of aspout 110 for the thin-walled flexible packaging, and of the closure 1 described above, has an engagement configuration, in which the closure is screwed to the spout, and a disengagement configuration, in which the closure is unscrewed from the spout. - Connecting means are provided which are suitable for keeping the closure 1 connected to the spout also in the disengagement configuration, that is, after having unscrewed the closure from the spout.
- According to the invention, said connecting means comprise a
collar 30 suitable for being inserted on a grip portion of the spout, and aflexible lace 32 connecting thecollar 30 to theovercap 4, for example to theovercap wall 18. - The
collar 30, typically consisting of an annular wall, for example circular, has alower edge 30a and anupper edge 30b adjacent to the edge of theovercap wall edge 18a of theovercap wall 18 and connected thereto by means of abreakable guarantee seal 30c. - The
collar 30 and theovercap wall 18 are preferably made as a single piece, for example by injection molding, in a first plastic material, and are connected by means of theguarantee seal 30c intended to be broken at the first opening of the closure 1. - The
lace 32 is made of a second, more flexible plastic material, different from the first plastic material, by bi-injection, in a single piece with theovercap wall 18 and thecollar 30. - For example, the
lace 32 has the shape of a flat strap. Preferably, thelace 32 has a round or curvilinear, or polygonal, for example square or rectangular, or mixed curvilinear and rectilinear section. - Preferably, the
lace 32 has a constant thickness from thecollar 30 to theovercap wall 18 or the thickness is variable, for example decreasing from the ends towards the central region. - A manufacturing process according to the present invention provides for making the
overcap wall 18, thecollar 30 and thelace 32 or theentire overcap 4, thecollar 30 and thelace 32 in one piece, in a closed configuration corresponding to the representation infigure 1 . - By bi-injection, the overcap 4 (or the overcap wall 18) and preferably the
collar 30 are made of a first plastic material, for example polyethylene (PE) or polypropylene (PP), which gives a certain rigidity, and thelace 32 of a second plastic material, for example more flexible than the first, for example of a thermoplastic elastomer (TPE) or other elastomer. - Having made the
overcap 4 with thecollar 30 and thelace 32 and, separately, theclosure body 2, the latter is inserted in theclosure compartment 16 of theovercap 4, so that thebody wall edge 7 is deformed elastically and contained inside thecollar 30. - Preferably, the
spout 110 comprises a connectingportion 112, usually defined as a "welding boat", suitable for being welded to the thin walls of the packaging, and atube 116 protruding from the connectingportion 112 along a spout axis Y, ending with amouth 118 of thespout 110. - Along the
tube 116, from the connectingportion 112 towards themouth 118, thespout 110 comprises agrip portion 120 for engaging the connecting means with thecollar 30. - For example, said
grip portion 120 is delimited by alower plate 122 and aring 124, preferably chamfered, for engagement with thecollar 30. - The
collar 30 is configured to be axially constrained to thespout 110, and in particular to thegrip portion 120. - For example, the
collar 30 comprises axial retaining means suitable for constraining thecollar 30 to thegrip portion 120. - For example, said retaining means comprise an
engagement portion 31, protruding axially from thelower edge 30a, foldable along saidlower edge 30a, so as to engage with thering 124 and form an obstacle to the removal of thecollar 30 from thegrip portion 120. - According to a variant embodiment, the
collar 30 is snap-engageable with thespout 110, to remain constrained thereto. - For the first application to the spout, the process provides a first step in which the closure 1 is applied to the
spout 110 and screwed forcibly thereto, so that thecollar 30 engages with thegrip portion 120 of thespout 110. - In normal use of the packaging, the closure 1 is gripped by the user and unscrewed from the spout; the
collar 30 remains engaged with the spout and, through thelace 32, allows keeping the overcap connected to the spout. - The assembly consisting of the
closure body 2, theovercap 4, thespout 110 and thecollar 30 creates a guarantee seal, the structure and functionality whereof are described in the International ApplicationWO-A1-2018/020365 in the name of the Applicant. The teaching contained therein relating to such a guarantee seal is expressly incorporated herein. - In particular, according to the International Application
WO-A1-2018/020365 , thecollar 30 forms the fixed band of the guarantee seal, thebase edge 7 of theclosure body 2 forms the guarantee ring and theovercap wall 18 forms the movable body. - During the unscrewing of the closure, the
guarantee seal 30c undergoes breakage since thecollar 30 is constrained to the spout, while theovercap wall 18 and theclosure body 2 tend to axially separate from the spout due to the unscrewing. - Consequently, the
body wall edge 7 of theclosure body 4 comes out of thecollar 30 and tends to return to the undeformed condition, widening outwards. - In this way, by screwing the
overcap wall 18 provided with theclosure body 2 to the spout, thebody wall edge 7 is interposed between theovercap wall edge 18a and thecollar 30, preventing mutual contact thereof, thus showing the first opening of the packaging. - Innovatively, the closure according to the present invention allows meeting the needs of the sector and overcoming the drawbacks mentioned above, since the closure remains connected to the spout even after opening the packaging.
- Advantageously, moreover, the closure according to the present invention is obtained by molding in the condition in which the collar is aligned with the overcap wall, that is, already in the condition which allows the application of the closure body and the screwing to the spout. This is due to the bi-injection of the lace with the collar and the overcap.
- It is clear that a man skilled in the art, in order to meet contingent and specific needs, may make changes to the closure described above.
- The embodiment variant described above, in which the closure provides a closure body, the overcap is indirectly applied to the spout.
- According to an embodiment variant, in which the closure has no closure body, the overcap is directly applied to the spout and used to close it.
- This embodiment variant also falls within the scope of protection as defined by the following claims.
Claims (8)
- Closure (1) for a flexible thin-walled packaging, comprising:- a rigid overcap (4), directly or indirectly applicable to a spout in the packaging, comprising an annular overcap wall (18) extending along a main axis (X) between an overcap base (18b) and an overcap wall edge (18a), said overcap wall (18) being made of a first plastic material;- a collar (30), coaxial to the overcap wall (18), suitable to be inserted on a grip portion (120) of the spout (110) so as to remain axially bound thereto;- a flexible lace (32) connecting the collar (30) to the overcap wall (18);said overcap (4) comprises a plurality of fins (19), protruding radially externally from the overcap wall (18), an annular grip wall (20), continuous or in sections, made integral with the overcap (18) by said fins, by virtue of the fins (19), the grip wall (20) is radially spaced from the overcap wall (18), forming axial anti-suffocation passages (22);wherein the closure is characterized in that said lace (32) being made by bi-injection together with the overcap wall (18) and the collar (30), made of a second plastic material, different from the first plastic material.
- Closure according to claim 1, wherein the overcap wall (18) is made in one piece with the collar (30).
- Closure according to claim 2, wherein the overcap wall (18) and the collar (30) are connected by a breakable guarantee seal (30c).
- Closure according to any one of the preceding claims, comprising a closure body (2) provided with an annular body wall (6) extending along said main axis (X) between a closure base (10) and a body wall edge (7), said closure body (2) being at least partially housed in a closure compartment (16) delimited by the overcap wall (18), so as to be bound thereto axially and in rotation.
- Closure according to claim 4, wherein the body wall edge (7) is elastically deformed and housed within the collar (30).
- Closure according to any one of the preceding claims when dependent from claim 3, wherein, in a configuration wherein the guarantee seal (30c) is broken and the collar (30) is axially separated from the overcap wall (18), the body wall edge (7) of the closure body (2) emerges from the collar (30) and tends to return to the undeformed condition, widening outwards.
- Spout-closure assembly (100) comprising:- a spout (110) for flexible thin-walled packaging; and- a closure (1) according to any one of the preceding claims, applied to the spout (110).
- Flexible thin-walled packaging comprising a spout-closure assembly (100) according to the preceding claim.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000001829A IT201900001829A1 (en) | 2019-02-08 | 2019-02-08 | STRAW CLOSURE OF A FLEXIBLE PACKAGING WITH THIN WALLS |
PCT/IB2020/050910 WO2020161633A1 (en) | 2019-02-08 | 2020-02-05 | Closure for a spout of a flexible thin-walled packaging |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3921248A1 EP3921248A1 (en) | 2021-12-15 |
EP3921248B1 true EP3921248B1 (en) | 2023-01-18 |
Family
ID=66589664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20706590.5A Withdrawn - After Issue EP3921248B1 (en) | 2019-02-08 | 2020-02-05 | Closure for a spout of a flexible thin-walled packaging |
Country Status (8)
Country | Link |
---|---|
US (1) | US20220024650A1 (en) |
EP (1) | EP3921248B1 (en) |
AU (1) | AU2020219941A1 (en) |
BR (1) | BR112021015244A2 (en) |
CL (1) | CL2021002079A1 (en) |
IT (1) | IT201900001829A1 (en) |
MX (1) | MX2021009486A (en) |
WO (1) | WO2020161633A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000021127A1 (en) * | 2020-09-07 | 2022-03-07 | Guala Pack Spa | CLOSURE FOR THIN-WALL PACKAGING |
IT202000030206A1 (en) * | 2020-12-09 | 2022-06-09 | Guala Pack Spa | CLOSURE FOR A STRAW OF THIN-WALLED FLEXIBLE PACKAGING |
IT202200002990A1 (en) * | 2022-02-17 | 2023-08-17 | Guala Pack Spa | CLOSURE FOR A STRAW OF A THIN-WALLED PACKAGING |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4974757A (en) * | 1989-11-16 | 1990-12-04 | Brotz Gregory R | Dispenser |
JP3308099B2 (en) * | 1993-06-16 | 2002-07-29 | 花王株式会社 | cap |
EP0656857A1 (en) * | 1993-06-30 | 1995-06-14 | Tetra Laval Holdings & Finance SA | Plastic closure unit and process for producing the same |
DE19832799B4 (en) * | 1998-07-21 | 2006-03-02 | Kunststoffwerk Kutterer Gmbh & Co. Kg | Hinged cap |
DE102004012997B3 (en) * | 2004-03-16 | 2005-09-08 | Henkel Kgaa | Closure unit for a container, in particular, for a cosmetic compound comprises a damping element which exerts a specified damping force against the spring-accelerated motion of the pivotable container lid |
JP4525977B2 (en) * | 2004-08-31 | 2010-08-18 | 株式会社吉野工業所 | Flexible container |
US8083102B2 (en) * | 2006-04-28 | 2011-12-27 | Pouch Pac Innovations, Llc | Flexible pouch with a tube spout fitment and flexible sleeve |
WO2014196859A1 (en) * | 2013-06-07 | 2014-12-11 | Ipn Ip B.V. | A collapsible pouch provided with a closure assembly |
IT201600080146A1 (en) | 2016-07-29 | 2018-01-29 | Guala Pack Spa | CLOSURE WITH A GUARANTEE SEAL |
DE102017106030A1 (en) * | 2017-01-17 | 2018-07-19 | Fürst GmbH | Process for the production of a container made of plastic with lid |
KR101937657B1 (en) * | 2017-03-27 | 2019-01-11 | 김성두 | Cap assembly for spout |
-
2019
- 2019-02-08 IT IT102019000001829A patent/IT201900001829A1/en unknown
-
2020
- 2020-02-05 WO PCT/IB2020/050910 patent/WO2020161633A1/en active Search and Examination
- 2020-02-05 US US17/428,152 patent/US20220024650A1/en not_active Abandoned
- 2020-02-05 EP EP20706590.5A patent/EP3921248B1/en not_active Withdrawn - After Issue
- 2020-02-05 MX MX2021009486A patent/MX2021009486A/en unknown
- 2020-02-05 AU AU2020219941A patent/AU2020219941A1/en not_active Abandoned
- 2020-02-05 BR BR112021015244-0A patent/BR112021015244A2/en not_active IP Right Cessation
-
2021
- 2021-08-05 CL CL2021002079A patent/CL2021002079A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP3921248A1 (en) | 2021-12-15 |
IT201900001829A1 (en) | 2020-08-08 |
WO2020161633A1 (en) | 2020-08-13 |
CL2021002079A1 (en) | 2022-02-25 |
BR112021015244A2 (en) | 2021-10-05 |
MX2021009486A (en) | 2021-09-08 |
AU2020219941A1 (en) | 2021-08-19 |
US20220024650A1 (en) | 2022-01-27 |
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