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IT202000021127A1 - CLOSURE FOR THIN-WALL PACKAGING - Google Patents

CLOSURE FOR THIN-WALL PACKAGING Download PDF

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Publication number
IT202000021127A1
IT202000021127A1 IT102020000021127A IT202000021127A IT202000021127A1 IT 202000021127 A1 IT202000021127 A1 IT 202000021127A1 IT 102020000021127 A IT102020000021127 A IT 102020000021127A IT 202000021127 A IT202000021127 A IT 202000021127A IT 202000021127 A1 IT202000021127 A1 IT 202000021127A1
Authority
IT
Italy
Prior art keywords
straw
guarantee
cap
closure
ring
Prior art date
Application number
IT102020000021127A
Other languages
Italian (it)
Original Assignee
Guala Pack Spa
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
Application filed by Guala Pack Spa filed Critical Guala Pack Spa
Priority to IT102020000021127A priority Critical patent/IT202000021127A1/en
Publication of IT202000021127A1 publication Critical patent/IT202000021127A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D41/00Caps, 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
    • B65D41/32Caps 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
    • B65D41/34Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423Threaded 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
    • B65D41/3428Threaded 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B65D47/142Closures 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
    • B65D47/143Closures 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D55/00Accessories for container closures not otherwise provided for
    • B65D55/16Devices preventing loss of removable closure members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861Spouts
    • B65D75/5872Non-integral spouts
    • B65D75/5883Non-integral spouts connected to the package at the sealed junction of two package walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2401/00Tamper-indicating means
    • B65D2401/15Tearable part of the closure
    • B65D2401/25Non-metallic tear-off strips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2401/00Tamper-indicating means
    • B65D2401/15Tearable part of the closure
    • B65D2401/30Tamper-ring remaining connected to closure after initial removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Description

DESCRIZIONE DESCRIPTION

La presente invenzione si colloca nel settore degli imballi a pareti sottili muniti di cannuccia, solitamente denominati ?pouch?. In particolare, forma oggetto della presente invenzione una chiusura per una cannuccia di un siffatto imballo. The present invention belongs to the field of thin-walled packaging equipped with a straw, usually referred to as "pouches". In particular, the object of the present invention is a closure for a straw of such a package.

Tali imballi sono principalmente utilizzati per il contenimento di succhi di frutta, yoghurt, purea di frutta, bevande energetiche e simili prodotti per bambini. Tali imballi hanno conosciuto una enorme diffusione, grazie alle dimensioni compatte, alla grande praticit? di utilizzo e all?aspetto ludico legato all?utilizzo della cannuccia, che attrae l?attenzione dei bambini. Ogni anno vengono commercializzate alcune centinaia di milioni di esemplari. These packages are mainly used for containing fruit juices, yoghurts, fruit purées, energy drinks and similar products for children. These packages have known an enormous diffusion, thanks to the compact dimensions, the great practicality? of use and the playful aspect linked to the use of the straw, which attracts the attention of children. Hundreds of millions of specimens are marketed every year.

Tipicamente, le chiusure per le cannucce, realizzate in plastica, sono costituite da un tappo e un sigillo di garanzia, comprendente un anello di garanzia unito al tappo da una pluralit? di ponticelli rompibili. Quando il tappo ? svitato per la prima volta, i ponticelli si rompono, separando il tappo dall?anello di garanzia e rendendo cos? evidente la prima apertura. Typically, closures for straws, made of plastic, consist of a cap and a guarantee seal, including a guarantee ring joined to the cap by a plurality of seals. of breakable bridges. When the cap? unscrewed for the first time, the jumpers break, separating the cap from the guarantee ring and thus making? evident the first opening.

Recentemente, gli sforzi di ricerca e sviluppo delle aziende manifatturiere si sono concentrati sulla realizzazione di una chiusura provvista di un sigillo di garanzia per la quale, anche dopo la prima apertura, il tappo rimanga vincolato all?anello di garanzia, per evitare che possa essere smarrito nell?ambiente. Sono state pertanto ideate alcune chiusure provviste di un laccetto che unisce il tappo all?anello di garanzia. Tuttavia, la Richiedente ha potuto constatare come per tali chiusure, la rottura dei ponticelli del sigillo di garanzia non sia talvolta molto evidente, con conseguente incertezza da parte dell?utilizzatore sul fatto che sia avvenuta o meno la prima apertura o la manomissione della chiusura. Recently, the research and development efforts of manufacturing companies have focused on the creation of a closure provided with a guarantee seal for which, even after the first opening, the cap remains bound to the guarantee ring, to prevent it from being lost in the environment. Therefore, some closures have been designed with a strap that joins the cap to the guarantee ring. However, the Applicant has been able to ascertain that for these closures, the breakage of the security seal bridges is sometimes not very evident, with consequent uncertainty on the part of the user as to whether or not the closure was first opened or tampered with.

Scopo della presente invenzione ? quello di realizzare una chiusura per imballi a pareti sottili che soddisfi le esigenze del settore e superi gli inconvenienti di cui si ? detto. Purpose of the present invention? that of creating a closure for thin-walled packaging that meets the needs of the sector and overcomes the drawbacks of which it? said.

Tale scopo ? raggiunto da una chiusura secondo la rivendicazione 1. Le rivendicazioni dipendenti descrivono ulteriori vantaggiose forme di realizzazione dell?invenzione. That purpose? achieved by a closure according to claim 1. The dependent claims describe further advantageous embodiments of the invention.

Le caratteristiche e i vantaggi della chiusura secondo la presente invenzione saranno evidenti dalla descrizione di seguito riportata, data a titolo esemplificativo e non limitativo, in accordo con le figure delle tavole allegate, in cui: The characteristics and advantages of the closure according to the present invention will be evident from the description given below, given by way of non-limiting example, in accordance with the figures of the attached tables, in which:

- la figura 1 mostra un imballo provvista di una chiusura secondo una forma di realizzazione della presente invenzione; figure 1 shows a package provided with a closure according to an embodiment of the present invention;

- la figura 2 illustra la chiusura della figura 1, in una configurazione di chiusura a sigillo inviolato; - la figura 2a ? un ingrandimento del riquadro II della figura 2, che evidenzia un sigillo di garanzia nella configurazione di chiusura a sigillo inviolato; figure 2 illustrates the closure of figure 1, in an inviolate seal closure configuration; - figure 2a ? an enlargement of box II of figure 2, which highlights a guarantee seal in the configuration of closure with untouched seal;

- la figura 3 illustra la chiusura della figura 1, in una configurazione di apertura in corso; figure 3 illustrates the closure of figure 1, in an opening configuration in progress;

- la figura 3a ? un ingrandimento del riquadro III della figura 3, che evidenzia il sigillo di garanzia nella configurazione di apertura in corso; - figure 3a ? an enlargement of box III of figure 3, which highlights the security seal in the current opening configuration;

- la figura 4 illustra la chiusura della figura 1, in una configurazione di chiusura a sigillo violato; figure 4 illustrates the closure of figure 1, in a configuration of closure with the seal violated;

- la figura 4a ? un ingrandimento del riquadro IV della figura 4, che evidenzia il sigillo di garanzia nella configurazione di chiusura a sigillo violato. - figure 4a ? an enlargement of box IV of figure 4, which highlights the guarantee seal in the configuration of closure with a breached seal.

Con riferimento alle figure contenute nelle tavole allegate, con 1 si ? complessivamente indicato un imballo a pareti sottili, solitamente denominato ?pouch?. L?imballo 1 comprende un sacchetto 2 per il contenimento del prodotto, comprendente una parete frontale 4 e una parete posteriore 6, affacciate, formate da un film flessibile, monostrato o multistrato. Lungo i bordi laterali, le pareti 4, 6 sono saldate fra loro oppure, in una variante di realizzazione, sono presenti dei fianchi formati da film flessibile, saldati alle pareti 4, 6. With reference to the figures contained in the attached tables, with 1 yes ? indicated as a whole a thin-walled packaging, usually referred to as a ?pouch?. The package 1 comprises a bag 2 for containing the product, comprising a front wall 4 and a rear wall 6 facing each other, formed by a single-layer or multi-layer flexible film. Along the lateral edges, the walls 4, 6 are welded together or, in a variant embodiment, there are sides formed by flexible film, welded to the walls 4, 6.

L?imballo 1 comprende inoltre un gruppo cannuccia 10, tipicamente realizzato in un solo pezzo in materiale plastico, tramite stampaggio ad iniezione. Il gruppo cannuccia 10 presenta un condotto cannuccia 12 interno che si estende da un?estremit? inferiore 14a, destinata ad essere contenuta nel sacchetto 2, ad un?estremit? superiore 14b in cui si trova una bocca 16 per la fuoriuscita del prodotto, lungo un asse cannuccia X. Il gruppo cannuccia 10 comprende una porzione di collegamento 20, denominata ?barca di saldatura?, destinata ad essere applicata a tenuta al sacchetto 2, fra i bordi superiori delle pareti 4, 6, ad esempio tramite saldatura. La porzione di collegamento 20 ? delimitata assialmente da una prima piastra 22 ortogonale all?asse cannuccia X. Una seconda piastra 24 del gruppo cannuccia 10, anch?essa ortogonale all?asse cannuccia X, ? spaziata assialmente dalla prima piastra 22. The package 1 also comprises a straw unit 10, typically made in a single piece of plastic material, by injection moulding. The straw assembly 10 has an internal straw conduit 12 which extends from one end to the lower 14a, intended to be contained in bag 2, at one? upper 14b in which there is a mouth 16 for the product to come out, along a straw axis X. The straw group 10 comprises a connecting portion 20, called the ?welding boat?, intended to be applied hermetically to the bag 2, between the upper edges of the walls 4, 6, for example by welding. The connecting portion 20 ? axially delimited by a first plate 22 orthogonal to the straw X axis. A second plate 24 of the straw group 10, also orthogonal to the straw X axis, is spaced axially from the first plate 22.

Il gruppo cannuccia 10 comprende inoltre una cannuccia 30 che si estende assialmente dalla seconda piastra 24 e termina con la bocca 16. The straw assembly 10 further comprises a straw 30 which extends axially from the second plate 24 and ends with the mouth 16.

Il gruppo cannuccia 10 comprende inoltre una piastra di impegno 26, ortogonale all?asse cannuccia X e sporgente radialmente esternamente dalla superficie laterale esterna della cannuccia 30. Fra la piastra di impegno 26 e la seconda piastra 24 si realizza una sede anello 100, di cui si dir? in seguito. The straw unit 10 also comprises an engagement plate 26, orthogonal to the straw axis X and protruding radially outward from the outer lateral surface of the straw 30. Between the engagement plate 26 and the second plate 24, a ring seat 100 is formed, of which yes say? afterwards.

L?imballo 1 comprende inoltre una chiusura 40 applicabile al gruppo cannuccia 10. The package 1 also comprises a closure 40 which can be applied to the straw assembly 10.

Secondo una forma preferita di realizzazione, la chiusura 40 comprende un gruppo tappo 42 ed una impugnatura 43, tipicamente realizzati in un unico pezzo, ad esempio tramite stampaggio ad iniezione. Secondo una forma alternativa di realizzazione, la chiusura comprende un gruppo tappo ed un sovra-tappo, realizzati separatamente e uniti fra loro. According to a preferred embodiment, the closure 40 comprises a cap assembly 42 and a handle 43, typically made in a single piece, for example by injection moulding. According to an alternative embodiment, the closure comprises a cap assembly and an over-cap, made separately and joined together.

Il gruppo tappo 42 comprende un tappo 46, avente un asse tappo Y centrale e comprendente una parete tappo 48 anulare, filettata internamente, una base tappo 50 che chiude ad una estremit? la parete tappo 48, e una flangia tappo 52, che sporge radialmente esternamente dalla parete tappo 48, all?altra estremit?. The plug assembly 42 comprises a plug 46, having a central plug axis Y and comprising an annular plug wall 48, internally threaded, a plug base 50 which closes at one end the plug wall 48, and a plug flange 52, which projects radially outwardly from the plug wall 48, at the other end.

Il gruppo tappo 42 comprende inoltre un sigillo di garanzia, comprendente un anello garanzia 56, vincolato al gruppo cannuccia 10, una banda garanzia 57, solidale al gruppo tappo 42, e una pluralit? di ponticelli 59 rompibili che uniscono l?anello garanzia 56 alla banda garanzia 57. The cap group 42 also comprises a guarantee seal, comprising a guarantee ring 56, connected to the straw group 10, a guarantee band 57, integral with the cap group 42, and a plurality of of breakable bridges 59 which join the guarantee ring 56 to the guarantee band 57.

Preferibilmente, l?anello garanzia 56 ? inserito nella sede anello 100; in una forma di realizzazione, l?anello garanzia 56 ? liberamente ruotabile nella sede anello 100; secondo una ulteriore forma di realizzazione, sono previsti mezzi di blocco che impediscono o limitano la libera rotazione dell?anello garanzia 56 nella sede anello 100. Preferably, the guarantee ring 56? inserted in the ring seat 100; in one embodiment, the guarantee ring 56 ? freely rotatable in the ring seat 100; according to a further embodiment, blocking means are provided which prevent or limit the free rotation of the guarantee ring 56 in the ring seat 100.

Preferibilmente, inoltre, la banda garanzia 57 ? solidale al tappo 46 ed ? costituita di preferenza dalla flangia tappo 52. Preferably, moreover, the guarantee band 57 ? integral with the cap 46 and ? preferably consisting of the cap flange 52.

La banda garanzia 57 presenta inferiormente una superficie inferiore 58, giacente su un piano immaginario ortogonale all?asse tappo Y, avente forma di corona circolare, continua o a tratti circonferenziali; analogamente, l?anello garanzia 56 presenta superiormente una superficie superiore 60, continua o a tratti circonferenziali, giacente su un piano immaginario ortogonale all?asse tappo Y, affacciata assialmente alla superficie inferiore 58. The guarantee band 57 has a lower surface 58 underneath, lying on an imaginary plane orthogonal to the cap axis Y, having the shape of a circular crown, continuous or with circumferential segments; similarly, the guarantee ring 56 has an upper surface 60, continuous or in circumferential segments, lying on an imaginary plane orthogonal to the cap axis Y, facing axially to the lower surface 58.

Ciascun ponticello 59 unisce la superficie superiore 60 alla superficie inferiore 58 e si estende lungo un asse ponticello Z inclinato rispetto all?asse tappo Y, ossia giacente su un piano immaginario inclinato rispetto all?asse tappo Y; in altre parole, l?asse tappo Y ? incidente non ortogonalmente a detto piano immaginario. Preferibilmente, inoltre, ciascun ponticello 59 presenta un indebolimento 62 nel quale, quando il tappo 46 ? svitato dalla cannuccia e il sigillo di garanzia si rompe, avviene preferibilmente la rottura di detto ponticello 59; detto indebolimento 62 ? di preferenza prossimo all?anello garanzia 56, in modo che i tratti residui che rimangono collegati all?anello garanzia dopo la rottura del ponticello siano molto corti e non disturbano l?utilizzo della cannuccia 30. Each bridge 59 joins the upper surface 60 to the lower surface 58 and extends along a bridge axis Z inclined with respect to the cap axis Y, ie lying on an imaginary plane inclined with respect to the cap axis Y; in other words, the cap axis Y ? incident not orthogonally to said imaginary plane. Preferably, moreover, each bridge 59 has a weakening 62 in which, when the plug 46 is? unscrewed from the straw and the guarantee seal breaks, preferably the breakage of said bridge 59 takes place; said weakening 62 ? preferably close to the guarantee ring 56, so that the residual sections which remain connected to the guarantee ring after the bridge has been broken are very short and do not disturb the use of the straw 30.

Ad esempio, detto indebolimento 62 ? costituito da una strizione, ossia una diminuzione della sezione resistente del ponticello. For example, said weakening 62 ? consisting of a restriction, i.e. a decrease in the resistant section of the bridge.

La chiusura 40 comprende inoltre un laccio 64 che unisce l?anello garanzia 56 al gruppo tappo 42, configurato per rimanere integro anche dopo la prima apertura dell?imballo, ossia a sigillo di garanzia violato; preferibilmente, il laccio 64 unisce la flangia tappo 52 all?anello garanzia 56 e presenta una lunghezza tale che, svitato il tappo 46 dalla cannuccia 30 e steso il laccio 64, il tappo 46 pu? essere accostato alla porzione di collegamento 20 o oltre, agevolando l?utilizzo della cannuccia 30. The closure 40 also comprises a lace 64 which joins the guarantee ring 56 to the stopper unit 42, configured to remain intact even after the first opening of the package, ie when the guarantee seal has been violated; preferably, the lace 64 joins the cap flange 52 to the guarantee ring 56 and has such a length that, once the cap 46 has been unscrewed from the straw 30 and the tie 64 has been extended, the cap 46 can be approached to the connecting portion 20 or beyond, facilitating the use of the straw 30.

Secondo una forma preferita di realizzazione, la banda garanzia 57 e l?anello garanzia 56 si compenetrano assialmente, formando risalti e rispettivi rientri. According to a preferred embodiment, the securing band 57 and the securing ring 56 interpenetrate axially, forming ridges and respective recesses.

Ad esempio, la banda garanzia 57 presenta almeno un risalto assiale 80, cui corrisponde il rispettivo rientro assiale 82 dell?anello garanzia 56; secondo un ulteriore esempio, l?anello garanzia 56 presenta almeno un risalto assiale 84 cui corrisponde il rispettivo rientro assiale 86 della banda garanzia 57. For example, the guarantee band 57 has at least one axial projection 80, which corresponds to the respective axial recess 82 of the guarantee ring 56; according to a further example, the guarantee ring 56 has at least one axial projection 84 which corresponds to the respective axial recess 86 of the guarantee band 57.

Vantaggiosamente, durante il primo avvitamento della chiusura 40 al gruppo cannuccia 10, i risalti 80 della banda garanzia 57 operano in spinta sui risalti 84 dell?anello garanzia 56, che fungono da riscontri circonferenziali, trascinando in rotazione l?anello garanzia 56, cos? evitando la rottura dei ponticelli 59 fra la banda garanzia 57 e l?anello garanzia 56. Advantageously, during the first screwing of the closure 40 to the straw unit 10, the projections 80 of the guarantee band 57 push the projections 84 of the guarantee ring 56, which act as circumferential abutments, dragging the guarantee ring 56 into rotation, thus avoiding the breakage of the jumpers 59 between the guarantee band 57 and the guarantee ring 56.

Applicata la chiusura 40 al gruppo cannuccia 10 (figure 2 e 2a) tramite avvitamento del tappo 46 alla cannuccia 30, l?anello garanzia 56 ? almeno parzialmente accolto nella sede anello 100, impossibilitato ad essere sfilato assialmente, se non per danneggiamento. La banda garanzia 57 si trova invece al di fuori della sede anello 100, al di sopra della piastra di impegno 26. Once the closure 40 has been applied to the straw unit 10 (figures 2 and 2a) by screwing the cap 46 to the straw 30, the guarantee ring 56? at least partially received in the ring seat 100, unable to be withdrawn axially, except for damage. The guarantee band 57 is instead located outside the ring seat 100, above the engagement plate 26.

Svitando la chiusura 40 dalla cannuccia 30, i ponticelli 59 vanno incontro a rottura (figure 3 e 3a), ma il gruppo tappo 42 rimane allacciato al gruppo cannuccia 10 in virt? del laccio 64. By unscrewing the closure 40 from the straw 30, the bridges 59 break (figures 3 and 3a), but the cap group 42 remains connected to the straw group 10 by virtue of of the lace 64.

Dopo l?utilizzo, avvitato nuovamente il tappo 42 alla cannuccia 30, i ponticelli 59 rotti rimangono molto in evidenza (figure 4 e 4a), grazie alla notevole lunghezza assicurata dal fatto di avere andamento obliquo. After use, once the cap 42 has been screwed back onto the straw 30, the broken bridges 59 remain very much in evidence (figures 4 and 4a), thanks to the considerable length ensured by the fact of having an oblique trend.

Inoltre, la disposizione assunta dai ponticelli rotti ? molto diversa dalla configurazione iniziale; i ponticelli rotti, infatti, si posizionano in modo disordinato tra l?anello garanzia ed il tappo, rendendo evidente l?avvenuta apertura. In altre parole, nella configurazione di chiusura a sigillo violato, i ponticelli (59) rotti sono disposti in modo da circondare lateralmente l?anello garanzia (56). Furthermore, the arrangement assumed by the broken jumpers ? very different from the initial configuration; the broken jumpers, in fact, are positioned in a disorderly way between the guarantee ring and the cap, making it clear that they have been opened. In other words, in the configuration of closure with violated seal, the broken bridges (59) are arranged so as to laterally surround the guarantee ring (56).

Innovativamente, la chiusura secondo la presente invenzione raggiunge lo scopo di cui si ? detto, in quanto soddisfa le esigenze del settore di mantenere il tappo allacciato al gruppo cannuccia, anche dopo l?apertura dell?imballo, e di essere provvista di un sigillo di garanzia che dopo la prima apertura mette in particolare evidenza l?avvenuta manomissione. Innovatively, the closure according to the present invention achieves the intended purpose said, as it satisfies the needs of the sector to keep the cap connected to the straw group, even after the packaging?

E? chiaro che un tecnico del settore, al fine di soddisfare esigenze contingenti, potrebbe apportare modifiche alla chiusura sopra descritta, tutte contenute nell?ambito di tutela definito dalle rivendicazioni seguenti. AND? it is clear that a technician in the sector, in order to satisfy contingent needs, could make modifications to the closure described above, all contained in the scope of protection defined by the following claims.

Claims (11)

RIVENDICAZIONI 1. Chiusura (40) per una cannuccia (30) di un imballo (1) a pareti sottili comprendente un gruppo tappo (42) applicabile alla cannuccia (30) comprendente:1. Closure (40) for a straw (30) of a thin-walled package (1) comprising a cap assembly (42) applicable to the straw (30) comprising: - un tappo (46), avente un asse tappo (Y) avvitabile alla cannuccia (30);- a cap (46), having a cap axis (Y) which can be screwed to the straw (30); - un sigillo di garanzia comprendente un anello garanzia (56), vincolabile al gruppo cannuccia (10), una banda garanzia (57), solidale al gruppo tappo (42), e una pluralit? di ponticelli (59) rompibili che uniscono l?anello garanzia (56) alla banda garanzia (57);- a guarantee seal comprising a guarantee ring (56), which can be linked to the straw group (10), a guarantee band (57), integral with the cap group (42), and a plurality of breakable bridges (59) which join the guarantee ring (56) to the guarantee band (57); - un laccio (64) che unisce l?anello garanzia (56) al gruppo tappo (42), configurato per rimanere integro anche dopo la prima apertura dell?imballo;- a string (64) which joins the guarantee ring (56) to the cap unit (42), configured to remain intact even after the first opening of the package; - in cui la banda garanzia (57) presenta inferiormente una superficie inferiore (58) giacente su un piano immaginario ortogonale all?asse tappo (Y) e l?anello garanzia (56) presenta superiormente una superficie superiore (60) giacente su un piano immaginario ortogonale all?asse tappo (Y), affacciata assialmente alla superficie inferiore (58);- in which the guarantee band (57) has a lower surface (58) lying on an imaginary plane orthogonal to the cap axis (Y) at the bottom and the guarantee ring (56) has an upper surface (60) lying on an imaginary plane at the top orthogonal to the cap axis (Y), facing axially to the lower surface (58); - e in cui almeno un ponticello (59) unisce la superficie superiore (60) alla superficie inferiore (58) e si estende, in una configurazione di chiusura a sigillo inviolato, lungo un asse ponticello (Z) inclinato rispetto all?asse tappo (Y).- and in which at least one bridge (59) joins the upper surface (60) to the lower surface (58) and extends, in an inviolate seal closure configuration, along a bridge axis (Z) inclined with respect to the cap axis ( Y). 2. Chiusura secondo la rivendicazione 1, in cui detto almeno un ponticello (59) presenta un indebolimento (62) nel quale, quando il tappo (46) ? svitato dalla cannuccia e il sigillo di garanzia si rompe, avviene preferibilmente la rottura di detto ponticello (59).2. Closure according to claim 1, wherein said at least one bridge (59) has a weakening (62) in which, when the plug (46) is closed, it is closed. unscrewed from the straw and the guarantee seal breaks, preferably the breakage of said bridge (59) takes place. 3. Chiusura secondo la rivendicazione 2, in cui detto indebolimento (62) ? prossimo all?anello garanzia (56).The closure according to claim 2, wherein said weakening (62) is next to the guarantee ring (56). 4. Chiusura secondo la rivendicazione 2 o 3, in cui detto indebolimento (62) ? costituito da una strizione.The closure according to claim 2 or 3, wherein said weakness (62) is consisting of a restriction. 5. Chiusura secondo una qualsiasi delle rivendicazioni precedenti, in cui il tappo (46) comprende una parete tappo (48) anulare, filettata internamente, una base tappo (50) che chiude ad una estremit? la parete tappo (48), e una flangia tappo (52), che sporge radialmente esternamente dalla parete tappo (48), all?altra estremit?.5. Closure according to any one of the preceding claims, wherein the plug (46) comprises an annular, internally threaded plug wall (48), a plug base (50) which closes at one end the plug wall (48), and a plug flange (52), which projects radially outward from the plug wall (48), at the other end. 6. Chiusura secondo la rivendicazione 5, in cui la banda garanzia (57) ? costituita dalla flangia tappo (52).6. The closure according to claim 5, wherein the security band (57) is consisting of the cap flange (52). 7. Chiusura secondo una qualsiasi delle rivendicazioni precedenti, in cui la banda garanzia (57) e l?anello garanzia (56) si compenetrano assialmente, formando risalti e rispettivi rientri. 7. Closure according to any one of the preceding claims, wherein the guarantee band (57) and the guarantee ring (56) interpenetrate axially, forming ridges and respective recesses. 8. Chiusura secondo una qualsiasi delle rivendicazioni precedenti, in cui, in una configurazione di chiusura a sigillo violato, i ponticelli (59) rotti sono disposti in modo da circondare lateralmente l?anello garanzia (56).8. Closure according to any one of the preceding claims, wherein, in a breached seal closure configuration, the broken jumpers (59) are arranged so as to laterally surround the security ring (56). 9. Assieme comprendente:9. Assembly comprising: - un gruppo cannuccia (10) comprendente una cannuccia (30);- a straw assembly (10) comprising a straw (30); - una chiusura (40) secondo una qualsiasi delle rivendicazioni precedenti.- a closure (40) according to any one of the preceding claims. 10. Imballo (1) comprendente:10. Packaging (1) including: - un sacchetto (2) flessibile a pareti sottili;- a thin-walled flexible bag (2); - un gruppo cannuccia (10) comprendente una cannuccia (30), applicato al sacchetto (2);- a straw assembly (10) comprising a straw (30), applied to the bag (2); - una chiusura (40) secondo una qualsiasi delle rivendicazioni da 1 a 8, applicata alla cannuccia (30) del gruppo cannuccia (10).- a closure (40) according to any one of claims 1 to 8, applied to the straw (30) of the straw assembly (10). 11. Chiusura (40) per una cannuccia (30) di un imballo (1) a pareti sottili comprendente un gruppo tappo (42) applicabile alla cannuccia (30) comprendente:11. Closure (40) for a straw (30) of a thin-walled package (1) comprising a cap assembly (42) applicable to the straw (30) comprising: - un tappo (46), avente un asse tappo (Y) avvitabile alla cannuccia (30);- a cap (46), having a cap axis (Y) which can be screwed to the straw (30); - un sigillo di garanzia comprendente un anello garanzia (56), vincolabile al gruppo cannuccia (10), una banda garanzia (57), solidale al gruppo tappo (42), e una pluralit? di ponticelli (59) rompibili che uniscono l?anello garanzia (56) alla banda garanzia (57);- a guarantee seal comprising a guarantee ring (56), which can be linked to the straw group (10), a guarantee band (57), integral with the cap group (42), and a plurality of breakable bridges (59) which join the guarantee ring (56) to the guarantee band (57); - un laccio (64) che unisce l?anello garanzia (56) al gruppo tappo (42), configurato per rimanere integro anche dopo la prima apertura dell?imballo;- a string (64) which joins the guarantee ring (56) to the cap unit (42), configured to remain intact even after the first opening of the package; - in cui la banda garanzia (57) presenta inferiormente una superficie inferiore (58) giacente su un piano immaginario ortogonale all?asse tappo (Y) e l?anello garanzia (56) presenta superiormente una superficie superiore (60) giacente su un piano immaginario ortogonale all?asse tappo (Y), affacciata assialmente alla superficie inferiore (58);- in which the guarantee band (57) has a lower surface (58) lying on an imaginary plane orthogonal to the cap axis (Y) at the bottom and the guarantee ring (56) has an upper surface (60) lying on an imaginary plane at the top orthogonal to the cap axis (Y), facing axially to the lower surface (58); - e in cui almeno un ponticello (59) unisce la superficie superiore (60) alla superficie inferiore (58) e presenta lunghezza tale che, in una configurazione di chiusura a sigillo violato, ? disposto in modo da circondare lateralmente l?anello garanzia (56). - and in which at least one bridge (59) joins the upper surface (60) to the lower surface (58) and has such a length that, in a breached seal configuration, ? arranged so as to laterally surround the guarantee ring (56).
IT102020000021127A 2020-09-07 2020-09-07 CLOSURE FOR THIN-WALL PACKAGING IT202000021127A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298255A7 (en) * 1975-01-20 1976-08-13 Astra Plastique Bottle or container closure - has stopper joined to mounting ring by successively breaking strips of unequal size
US4461391A (en) * 1981-11-30 1984-07-24 Johnsen & Jorgensen (Plastics) Limited Company Tamper-resistant screw closure
WO1990006268A2 (en) * 1988-11-28 1990-06-14 Continental Plastics, Inc. Closure system with extendable tamper band bonded to container
US5782369A (en) * 1993-08-19 1998-07-21 Tansey; Charles Martin Linerless closure for container
KR20180109233A (en) * 2017-03-27 2018-10-08 김성두 Cap assembly for spout
WO2020161633A1 (en) * 2019-02-08 2020-08-13 Guala Pack S.P.A. Closure for a spout of a flexible thin-walled packaging

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298255A7 (en) * 1975-01-20 1976-08-13 Astra Plastique Bottle or container closure - has stopper joined to mounting ring by successively breaking strips of unequal size
US4461391A (en) * 1981-11-30 1984-07-24 Johnsen & Jorgensen (Plastics) Limited Company Tamper-resistant screw closure
WO1990006268A2 (en) * 1988-11-28 1990-06-14 Continental Plastics, Inc. Closure system with extendable tamper band bonded to container
US5782369A (en) * 1993-08-19 1998-07-21 Tansey; Charles Martin Linerless closure for container
KR20180109233A (en) * 2017-03-27 2018-10-08 김성두 Cap assembly for spout
WO2020161633A1 (en) * 2019-02-08 2020-08-13 Guala Pack S.P.A. Closure for a spout of a flexible thin-walled packaging

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