EP4139224B1 - Verschlussanordnung für einen dünnwandigen verpackungsbeutel - Google Patents

Verschlussanordnung für einen dünnwandigen verpackungsbeutel Download PDF

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Publication number
EP4139224B1
EP4139224B1 EP21724036.5A EP21724036A EP4139224B1 EP 4139224 B1 EP4139224 B1 EP 4139224B1 EP 21724036 A EP21724036 A EP 21724036A EP 4139224 B1 EP4139224 B1 EP 4139224B1
Authority
EP
European Patent Office
Prior art keywords
closure assembly
cap
spout
assembly according
coupling
Prior art date
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Active
Application number
EP21724036.5A
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English (en)
French (fr)
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EP4139224A1 (de
Inventor
Stefano Tamarindo
Alberto Buzzi
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.)
Guala Pack SpA
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Guala Pack SpA
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Publication of EP4139224A1 publication Critical patent/EP4139224A1/de
Application granted granted Critical
Publication of EP4139224B1 publication Critical patent/EP4139224B1/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
    • 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
    • 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
    • B65D41/3452—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 with drive means between closure and tamper element

Definitions

  • the present invention relates to the field of thin-walled packaging, usually referred to as "pouches," and in particular to the field of packaging equipped with a spout for the outflow of the product.
  • the object of the present invention is a closure assembly for a flexible a thin-walled packaging.
  • Such packaging is now widely spread and used above all for containing products for children, such as fruit juices and purees, yogurt, vegetable purees, and drinks.
  • products for children such as fruit juices and purees, yogurt, vegetable purees, and drinks.
  • the enormous known diffusion of such packaging is attributable to the great convenience of use and ease of use by children, as well as to the playful component linked to the use of the spout and the need to crush the packaging to make the product outflow.
  • closure assemblies are known from JP 2007 204124 A , JP 2006 335416 A , US 2008/073348 A1 , EP 3 628 608 A1 , and JP 2012 166824 A .
  • the cap which remains connected to the spout hinders the use of the spout itself.
  • the cap touches the region around the lips, annoying the child.
  • the object of the present invention is to provide a closure assembly which meets the needs of the field and overcomes the drawbacks mentioned with reference to the background art.
  • a flexible thin-walled packaging P comprises a flexible bag B having at least a front wall and a rear wall, made from a thin film, joined together along peripheral edges by a weld. Above, between the upper edge of the front wall and the upper edge of the rear wall, a spout S is attached for the outflow of the product contained in the packaging; the spout is closed by a closure C.
  • the bag comprises a first side wall, welded between first side edges of the front wall and of the rear wall, for example on a first side; according to a still further embodiment, the bag comprises a second side wall, welded between second side edges of the front wall and the rear wall, for example on a second side.
  • the bag comprises a bottom wall, welded between the lower edges of the front wall and the rear wall, to form a base of the packaging.
  • the thin film is single-layer or multi-layer; permeable to oxygen or impermeable to oxygen.
  • the reference numeral 1 indicates as a whole a closure assembly comprising the spout S and the closure C which can be attached to the spout S.
  • the closure C in turn comprises a cap 6 and a connecting device 8 for the permanent connection between the cap 6 and the spout S.
  • the spout S comprises a connecting portion 9, generally referred to as the "welding boat,” intended to be attached between the upper edges of the front wall and the rear wall of the bag B, a lower plate 10, which delimits the connecting portion 9 at the top, a lower flange 12, axially spaced apart from the lower plate 10, and an upper flange 14, axially spaced apart from the lower flange 12.
  • annular connecting seat 15 is formed between the lower flange 12 and the upper flange 14, while an annular coupling seat 17 is formed between the lower plate 10 and the lower flange 12.
  • the spout S further comprises a tube 16, projecting axially from the upper flange 14, ending with a tube edge 18 which peripherally delimits an opening 20 for the outflow of the product from the packaging.
  • the tube 16 extends along a main axis X and has a thread 22 outside for the engagement of the spout S with the cap 6.
  • the spout 2 further has an inner duct 24, coaxial to the main axis X, which extends from the mouth 20 to the lower end of the connecting portion 9 or, in a variant embodiment, there below.
  • the spout S is made in a single piece of plastic material, for example by means of injection molding.
  • the cap 6 comprises an annular side wall 30, which extends around a main axis Y of the cap 6, between an upper cap edge 32 and a lower cap edge 33, and a base 34 which closes it at the top, connected to said upper cap edge 32.
  • the side wall 30 of the cap 6 is internally threaded for screwing onto the tube 16 of the spout 2.
  • the cap 6 comprises a cap flange 36 at the bottom, projecting radially outwards from the lower cap edge 33 and having a free lower surface 37, for example in the form of a flat circular crown.
  • the connecting device 8 comprises a connecting element or ring 40, which can be axially constrained to the spout S, for example arranged in the connecting seat 15, between the lower flange 12 and the upper flange 14, freely rotatable in said connecting seat 15.
  • the ring 40 has a predefined axial height, between a lower surface 42, for example in the form of a flat circular crown, and an upper surface 44, for example rounded, which, when the cap 6 is screwed to the spout 2, faces the lower surface 37 of the cap flange 36.
  • the ring 40 also has an outer side surface 45a, for example cylindrical, and an annular inner side surface 45b. On said annular inner surface 45b there is an annular protuberance 45c, continuous or in sections, which, when the ring is attached to the spout 2, creates an axial constraint, snapping into the connecting seat 15.
  • the connecting device 8 further comprises a plurality of breakable jumpers 46 which, when intact, join the ring 40 to the cap 6, and in particular the ring 40 to the cap flange 36.
  • said jumpers 46 join the upper surface 44 of the ring 40 to the lower surface 37 of the cap flange 36.
  • the connecting device 8 comprises at least one tooth 47a, projecting from the ring 40, for example axially, and in particular from the lower surface 37 of the cap flange 36, and at least one recess 47b, obtained in the ring 40, and in particular in the upper surface 44 thereof.
  • the tooth 47a is at least partially received in the recess 47b and is configured to abut against a wall delimiting said recess 47b.
  • the tooth 47a abuts against a wall of the recess 47b and easily drags the ring 40 in rotation.
  • the connecting device 8 further comprises a flexible connecting band or fastener 50, having a main extension along a dimension which forms the length thereof, between a ring end 52, joined to the ring 40, and in particular to the outer side surface 45a thereof, and a cap end 54, joined to the cap 6, and in particular to the cap flange 36, and preferably to an outer side surface thereof.
  • a flexible connecting band or fastener 50 having a main extension along a dimension which forms the length thereof, between a ring end 52, joined to the ring 40, and in particular to the outer side surface 45a thereof, and a cap end 54, joined to the cap 6, and in particular to the cap flange 36, and preferably to an outer side surface thereof.
  • the fastener 50 has a cross section, obtained with a rectangular section plane which is orthogonal to the longitudinal direction, preferably oriented so that the shorter side is parallel to the central axis Y of the cap 6.
  • the fastener 50 is configured to break by traction near the end of the ring 52, so that if the child tries, for example playing, to tear the cap 6 from the spout 2 by pulling it, the fastener 50 breaks near the ring 40, while a main portion remains connected to the cap.
  • this allows the spout to be used, placing it between the lips, without incurring the discomfort which would be caused by a possible piece of fastener connected to the ring.
  • the fastener 50 has a weakening 60, for example consisting of a notch made at the connection between the fastener 50 and the ring 40, or a reduction of the resistant section between the fastener 50 and the ring 40.
  • the cap 6 further comprises a coupling portion 70 adapted to engage with a coupling region 72 of the spout S in order to retain the cap 6 in a predefined position with respect to said spout S.
  • the fastener 50 forms a permanent connection between the cap 6 and the spout S, but when the cap 6 is unscrewed, it assumes a random position with respect to the spout, often such as to hinder the use of the spout itself.
  • the engagement between the coupling portion 70 of the cap 6 and the coupling region 72 of the spout S can be obtained only when the cap 6 is unscrewed from the spout S and allows the cap to be kept in a predefined position with respect to the spout, such as not to bring discomfort to the user when the spout is between the lips.
  • said coupling region 72 is outside the tube 16 of the spout S, so as to be sufficiently far from the mouth 20.
  • the cap 6 when the coupling portion 70 of the cap 6 is engaged with the coupling region 72 of the spout, the cap 6 is arranged so that the central axis Y lies on an imaginary plane which is orthogonal to the main axis X of the tube 16.
  • the cap 6 comprises a gripping paddle 80, for example axially projecting from the base 34 and/or radially projecting from the side wall 30, provided with a peripheral edge 82.
  • the paddle 80 has a flat shape, substantially lying on an imaginary plane which contains the central axis Y of the cap 6, for example also passing through a center line of the fastener 50.
  • a portion 84 of the peripheral edge 82 obtains said coupling portion 70; preferably, said portion 84 is enlarged with respect to the remaining part of the peripheral edge 82.
  • the cap 6 preferably has a plurality of coupling portions 70.
  • the peripheral edge 82 comprises said portion 84 and a further portion 86, symmetrical to the portion 84 with respect to the main axis Y of the cap 6.
  • the coupling seat 17 of the spout S forms said coupling region 72.
  • the cap 6 is screwed to the tube 16 of the spout S, the ring 40 is arranged in the connecting seat 15, axially constrained to the spout S and free to rotate in said connecting seat 15, and the jumpers 46 are intact and join the ring 40 to the cap flange 36.
  • the coupling portion 70 of the cap 6 is engaged with the coupling region 72 of the spout S, so as to retain the cap 6 in a predefined position with respect to the spout S, such as not to hinder the use of the spout S.
  • the engagement between the coupling portion 70 and the coupling region 72 is a pressure engagement, obtained by forced insertion of the coupling portion 70 in the coupling region 72, for example of the portion 84 of the cap 6 in the coupling seat 17 of the spout S.
  • the engagement between the coupling portion 70 and the coupling region 72 is a snap-in engagement.
  • the engagement between the coupling portion 70 and the coupling region 72 is a positive-fit engagement, i.e., between a shaped element of the coupling portion and a counter-shaped element of the coupling region, with or without forcing.
  • the closure assembly according to the present invention meets the needs of the field, as it allows the cap to be kept in permanent connection with the bag, by means of the fastener which joins it to the spout, and at the same time overcomes the aforementioned drawbacks, as the cap is arranged in a position in which it does not hinder the use of the spout.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)

Claims (15)

  1. Verschlussanordnung (1) für eine flexible dünnwandige Verpackung (P), aufweisend:
    - einen Ausgießer (S), der abdichtend an einem Beutel (B) der Verpackung (P) anbringbar ist, der mit einem Rohr (16) versehen ist, das sich entlang einer Mittelachse (X) erstreckt und in einer Mündung (20) endet, und mit einem Kopplungsbereich (72) ausgestattet ist;
    - einen Verschluss (C), der an dem Ausgießer (S) angebracht werden kann, aufweisend:
    i) einen Ring (40), der an dem Ausgießer (S) angebracht ist und axial eingespannt und frei drehbar ist;
    ii) eine Kappe (6), die eine Mittelachse (Y) aufweist, die auf das Rohr (16) aufgeschraubt werden kann und eingerichtet ist, die Mündung (20) zu verschließen, aufweisend einen Kopplungsabschnitt (70) ;
    iii) ein Befestigungselement (50), das den Ring (40) mit der Kappe (6) verbindet;
    wobei der Kopplungsabschnitt (70) in den Kopplungsbereich (72) eingreifen kann, um die Kappe (6) in einer vordefinierten Position in Bezug auf den Ausgießer (S) zu halten;
    wobei der Ausgießer (S) eine untere Platte (10) und einen unteren Flansch (12) aufweist, die radial nach außen hervorstehen und axial voneinander beabstandet sind, um einen Kopplungssitz (17) zu erhalten, der den Kopplungsbereich (72) bildet;
    wobei die Verschlussanordnung (1) dadurch gekennzeichnet ist, dass die Kappe (6) ein Paddel (80) zum Greifen und Abschrauben derselben aufweist, das mit einer Umfangskante (82) versehen ist, und ein Abschnitt (84) der Umfangskante (82) den Kopplungsabschnitt (70) bildet.
  2. Verschlussanordnung nach Anspruch 1, wobei sich der Kopplungsbereich (72) außerhalb des Rohrs (16) befindet.
  3. Verschlussanordnung nach Anspruch 1 oder 2, wobei, wenn der Kopplungsabschnitt (70) der Kappe (6) in den Kopplungsbereich (72) des Ausgießers (S) eingreift, die Kappe (6) derart angeordnet ist, dass die Mittelachse (Y) auf einer imaginären Ebene liegt, die orthogonal zur Hauptachse (X) des Rohrs (16) liegt.
  4. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Eingriff zwischen dem Kopplungsabschnitt (70) und dem Kopplungsbereich (72) ein Druckeingriff ist.
  5. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Eingriff zwischen dem Kopplungsabschnitt (70) und dem Kopplungsbereich (72) ein Rasteingriff ist.
  6. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Eingriff zwischen dem Kopplungsabschnitt (70) und dem Kopplungsbereich (72) ein Formschlusseingriff ist.
  7. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Ausgießer (S) einen oberen Flansch (14) aufweist, der radial nach außen hervorsteht und von dem unteren Flansch (12) auf der der unteren Platte (10) gegenüberliegenden Seite axial beabstandet ist, um zusammen mit der unteren Platte (12) einen Verbindungssitz (15) zum Eingriff mit dem Ring (40) zu bilden.
  8. Verschlussanordnung nach Anspruch 7, wobei der Ausgießer (S) einen Verbindungsabschnitt (9) aufweist, der mit dem Beutel (B) dicht verschweißt sein kann, wobei der Verbindungsabschnitt an der Oberseite durch die untere Platte (10) axial begrenzt ist.
  9. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Abschnitt (84) in Bezug auf den verbleibenden benachbarten Teil der Umfangskante (82) vergrößert ist.
  10. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei die Kappe (6) eine Vielzahl von Kopplungsabschnitten (70) aufweist.
  11. Verschlussanordnung nach Anspruch 10, wobei die Kappe (6) zwei Kopplungsabschnitte (70) aufweist, die symmetrisch in Bezug auf die Mittelachse (Y) der Kappe (6) angeordnet sind.
  12. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei der Verschluss (C) in einem Stück aus Kunststoffmaterial gebildet ist, beispielsweise mittels Spritzgießen.
  13. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei das Befestigungselement (50) einen rechteckigen Querschnitt aufweist.
  14. Verschlussanordnung nach einem der vorstehenden Ansprüche, wobei das Befestigungselement (50) an einem Ringende (52), an dem er mit dem Ring (40) verbunden ist, einen geschwächten Abschnitt (60) zum kontrollierten Abreißen des Befestigungselements (50) aufweist.
  15. Verschlussanordnung nach Anspruch 14, wobei der geschwächte Abschnitt (60) in einer Verringerung des Querschnitts zwischen dem Befestigungselement (50) und dem Ring (40) besteht.
EP21724036.5A 2020-04-22 2021-04-13 Verschlussanordnung für einen dünnwandigen verpackungsbeutel Active EP4139224B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT202000008638 2020-04-22
PCT/IB2021/053033 WO2021214596A1 (en) 2020-04-22 2021-04-13 Closure for a thin-walled packaging pouch

Publications (2)

Publication Number Publication Date
EP4139224A1 EP4139224A1 (de) 2023-03-01
EP4139224B1 true EP4139224B1 (de) 2024-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21724036.5A Active EP4139224B1 (de) 2020-04-22 2021-04-13 Verschlussanordnung für einen dünnwandigen verpackungsbeutel

Country Status (9)

Country Link
EP (1) EP4139224B1 (de)
CN (1) CN115605405A (de)
AU (1) AU2021261649A1 (de)
BR (1) BR112022020565A2 (de)
CL (1) CL2022002509A1 (de)
ES (1) ES2972943T3 (de)
MX (1) MX2022011494A (de)
PL (1) PL4139224T3 (de)
WO (1) WO2021214596A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2032534B1 (en) 2022-07-18 2024-01-26 Scholle Ipn Ip Bv A spouted container and closure assembly.
NL2033171B1 (en) 2022-09-28 2024-04-05 Sig Services Ag Product package and method for dispensing a product.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012166824A (ja) * 2011-02-15 2012-09-06 Kanae Co Ltd 包装体及びスパウト

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4828867B2 (ja) * 2005-06-01 2011-11-30 三笠産業株式会社 注出口
JP4912689B2 (ja) * 2006-02-02 2012-04-11 日本クラウンコルク株式会社 キャップ保持部を有するスパウト
US7591398B2 (en) * 2006-09-27 2009-09-22 Pouchsmart, Inc. Container closure assembly
NL2016212B1 (en) * 2016-02-03 2017-08-11 Scholle Ipn Ip Bv A closure assembly and container provided with said closure assembly.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012166824A (ja) * 2011-02-15 2012-09-06 Kanae Co Ltd 包装体及びスパウト

Also Published As

Publication number Publication date
ES2972943T3 (es) 2024-06-17
CL2022002509A1 (es) 2023-03-31
AU2021261649A1 (en) 2022-09-29
WO2021214596A1 (en) 2021-10-28
MX2022011494A (es) 2022-10-07
PL4139224T3 (pl) 2024-04-08
CN115605405A (zh) 2023-01-13
EP4139224A1 (de) 2023-03-01
BR112022020565A2 (pt) 2022-12-06

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