IT201900010584A1 - Biodegradable composite laminar material for making pouch containers with a transparent portion - Google Patents

Biodegradable composite laminar material for making pouch containers with a transparent portion Download PDF

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Publication number
IT201900010584A1
IT201900010584A1 IT102019000010584A IT201900010584A IT201900010584A1 IT 201900010584 A1 IT201900010584 A1 IT 201900010584A1 IT 102019000010584 A IT102019000010584 A IT 102019000010584A IT 201900010584 A IT201900010584 A IT 201900010584A IT 201900010584 A1 IT201900010584 A1 IT 201900010584A1
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IT
Italy
Prior art keywords
layer
laminar material
container
composite laminar
bag
Prior art date
Application number
IT102019000010584A
Other languages
Italian (it)
Inventor
Giancarlo Savi
Original Assignee
Form Bags S P A
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 Form Bags S P A filed Critical Form Bags S P A
Priority to IT102019000010584A priority Critical patent/IT201900010584A1/en
Publication of IT201900010584A1 publication Critical patent/IT201900010584A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/04—Windows or other apertures, e.g. for viewing contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/44—Number of layers variable across the laminate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/414—Translucent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • B32B2307/7163—Biodegradable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers

Landscapes

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

Description

Titolo: “Materiale laminare composito biodegradabile per la realizzazione di contenitori a sacchetto con una porzione trasparente “ Title: "Biodegradable composite laminar material for making bag containers with a transparent portion"

DESCRIZIONE DESCRIPTION

Il presente ritrovato riguarda un materiale laminare composito, utilizzabile per la realizzazione di contenitori a sacchetto con una porzione di parete conformata a finestra trasparente, costituito interamente da materiale compostabile e biodegradabile. The present invention relates to a composite laminar material, usable for making bag-shaped containers with a portion of the wall shaped like a transparent window, made entirely of compostable and biodegradable material.

Sono noti svariati tipi di contenitori a sacchetto, comunemente identificati, con terminologia inglese, come “shopping bags”. Various types of bag containers are known, commonly identified, with English terminology, as "shopping bags".

Essi sono costituiti da pareti piane collegate ai lati da elementi a soffietto oppure da semplici piegature. Le pareti comprendono talvolta una porzione della loro superficie conformata come una finestrella trasparente che consente di poter avere una visione, sia pure parziale, dell’oggetto acquistato e riposto all’interno del sacchetto, mentre la maggior parte della rimanente superficie delle pareti viene utilizzata per scopi pubblicitari dei prodotti in vendita nel negozio o dell’insegna del negozio stesso oppure ancora della catena commerciale di cui lo specifico negozio fa parte. They consist of flat walls connected at the sides by bellows elements or by simple folds. The walls sometimes include a portion of their surface shaped like a transparent window that allows you to have a view, even if partial, of the object purchased and placed inside the bag, while most of the remaining surface of the walls is used for advertising purposes of the products on sale in the shop or of the sign of the shop itself or of the commercial chain of which the specific shop is part.

Secondo la tecnologia attualmente adottata per la realizzazione di tali contenitori a sacchetto, vengono utilizzati materiali cartacei in foglio, suscettibili ad essere stampati che, prima di essere conformati nella struttura di contenitore a sacchetto, con le dimensioni e forme desiderate, vengono rivestiti con convenzionali materiali plastici per rendere lucida la superficie con le riproduzioni a stampa oltre a renderla impermeabile. According to the technology currently adopted for the production of such bag containers, paper materials in sheet are used, capable of being printed which, before being shaped into the bag container structure, with the desired dimensions and shapes, are coated with conventional materials. plastic to make the surface glossy with printed reproductions as well as making it waterproof.

La finestra trasparente della parete è, in modo convenzionale, costituita da una apertura ritagliata nell’elemento laminare costituente la parete. Essa viene successivamente chiusa da una corrispondente porzione di foglio in materiale plastico trasparente, applicato con incollaggio sulla superficie interna della parete sulla quale è ricavata la finestra, normalmente solo in corrispondenza del contorno della finestra stessa. The transparent window of the wall is, in a conventional way, constituted by an opening cut out in the laminar element constituting the wall. It is subsequently closed by a corresponding portion of a sheet of transparent plastic material, applied by gluing to the internal surface of the wall on which the window is made, normally only in correspondence with the window's contour.

Le modalità di realizzazione della finestra trasparente, in accordo con la tecnica nota, come sopra indicato, implicano l’inconveniente di imporre dimensioni limitate alla finestra trasparente da realizzare nel contenitore e di conseguenza anche alle dimensioni di quest’ultimo. The methods of making the transparent window, in accordance with the known technique, as indicated above, involve the drawback of imposing limited dimensions to the transparent window to be made in the container and consequently also to the dimensions of the latter.

Oltre alla relativa complessità delle modalità con cui il contenitore a sacchetto con finestra trasparente viene realizzato, in accordo con le tecnologie note, che lo rende costoso e con la necessità di utilizzare macchinari speciali, si aggiunge il fatto che, al termine del suo utilizzo, il contenitore crea problemi per un suo smaltimento ecologico. In addition to the relative complexity of the ways in which the bag container with transparent window is made, in accordance with known technologies, which makes it expensive and with the need to use special machinery, it is added the fact that, at the end of its use, the container creates problems for its ecological disposal.

Infatti, il rivestimento con materiale plastificante per rendere lucida ed impermeabile la superficie esterna con decorazioni o con insegne pubblicitarie, delle pareti del contenitore, sebbene queste siano prevalentemente realizzate su un materiale cartaceo, rende il prodotto non biodegradabile, come pure la presenza del foglio di materiale plastico trasparente della porzione a finestra e del relativo materiale di incollaggio presenti nella superficie interna delle pareti contenitore. In fact, the coating with plasticizer material to make the external surface with decorations or advertising signs glossy and waterproof, of the container walls, although these are mainly made on a paper material, makes the product non-biodegradable, as well as the presence of the sheet of transparent plastic material of the window portion and of the relative gluing material present in the internal surface of the container walls.

Lo scopo principale del ritrovato è quindi quello di realizzare un materiale laminare composito che consenta la fabbricazione di contenitori a sacchetto, con almeno una porzione a finestra trasparente, che sia realizzabile con qualsiasi dimensione della finestra trasparente e che comunque al termine del suo utilizzo consenta il suo smaltimento in modo ecologico grazie alla natura biodegradabile di tutti i suoi componenti. The main purpose of the invention is therefore to produce a composite laminar material that allows the manufacture of bag containers, with at least one transparent window portion, which can be made with any size of the transparent window and which in any case, at the end of its use, allows the its disposal in an ecological way thanks to the biodegradable nature of all its components.

Questi ed altri scopi che eventualmente emergeranno dal seguito della descrizione, vengono conseguiti da un materiale laminare composito che si caratterizza in accordo con la rivendicazione 1 esposta nel seguito. These and other objects which may emerge from the rest of the description are achieved by a composite laminar material which is characterized in accordance with claim 1 set out below.

Il ritrovato verrà ora maggiormente descritto con riferimento ad una sua forma di attuazione preferita, data a titolo indicativo e non limitativo, illustrata nei disegni allegati, in cui: The invention will now be described in greater detail with reference to a preferred embodiment thereof, given by way of non-limiting example, illustrated in the attached drawings, in which:

- la Figura 1 mostra una vista in prospettiva di un contenitore a sacchetto con una finestra trasparente formata in una delle sue pareti laterali, realizzato con il materiale laminare composito secondo il trovato; Figure 1 shows a perspective view of a bag-like container with a transparent window formed in one of its side walls, made with the composite laminar material according to the invention;

- la Figura 2 mostra una vista in pianta di un fustellato per la realizzazione di un sacchetto con finestra trasparente utilizzante il materiale laminare composito secondo il trovato Figure 2 shows a plan view of a blank for making a bag with a transparent window using the composite laminar material according to the invention

- la Figura 3 mostra una sezione del fustellato eseguita lungo la linea A-A di Figura 2; - Figure 3 shows a section of the blank taken along the line A-A of Figure 2;

- la Figura 4 mostra una sezione del fustellato eseguita lungo la linea B-B di figura 2. - Figure 4 shows a section of the blank taken along the line B-B of figure 2.

Con riferimento ai disegni sopra specificati, ed in particolare con riferimento alla Figura 1, con 1 è stato indicato complessivamente un contenitore a sacchetto, ottenuto con il materiale laminare composito del presente ritrovato, derivato da un fustellato 2 predisposto con dimensioni di larghezza e altezza tali da poter formare, mediante convenzionali piegature, il contenitore 1 con finestra trasparente 3 e manici 4 applicati al bordo superiore 5. With reference to the drawings specified above, and in particular with reference to Figure 1, the number 1 indicates as a whole a bag container, obtained with the composite laminar material of the present invention, derived from a blank 2 prepared with such width and height dimensions. to be able to form, by conventional folding, the container 1 with transparent window 3 and handles 4 applied to the upper edge 5.

La finestra 3 è ottenuta da una porzione ritagliata 6 del fustellato 2. The window 3 is obtained from a cut out portion 6 of the blank 2.

Con riferimento alle figure 3 e 4, si può apprezzare che la struttura del materiale laminare composito, secondo il trovato, comprende un primo strato 7, totalmente di natura cartacea e quindi ecologicamente smaltibile, al quale è sovrapposto un film 8 di materiale trasparente, impermeabile, di natura compostabile, che viene fatto aderire, mediante operazioni di rullatura convenzionali, sulla superficie 107 dello strato 7, destinata ad essere rivolta verso l’esterno del contenitore 1, quando realizzato. With reference to Figures 3 and 4, it can be appreciated that the structure of the composite laminar material, according to the invention, comprises a first layer 7, totally paper-based and therefore ecologically disposable, on which a film 8 of transparent, impermeable material is superimposed. , of compostable nature, which is made to adhere, by means of conventional rolling operations, on the surface 107 of the layer 7, intended to be turned towards the outside of the container 1, when made.

Nello strato 7 viene ricavata l’apertura 6, in occasione della preparazione del fustellato 2, con la conseguenza che lo strato di film 8, quando applicato, si estende anche sulla apertura 6 determinando la finestra trasparente 3 del contenitore. In the layer 7 the opening 6 is obtained, on the occasion of the preparation of the blank 2, with the consequence that the film layer 8, when applied, also extends over the opening 6, determining the transparent window 3 of the container.

Anche le eventuali marcature pubblicitarie o decorative del contenitore, schematizzate con 102, vengono riportate a stampa o con altre opportune tecnologie convenzionali, sulla superficie 107 dello strato cartaceo 7 ed il loro effetto lucido nonché la impermeabilizzazione, vengono conferite dell’unico sovrapposto film trasparente 8 che si estende per tutta l’area dello strato 7, fustellato e provvisto di apertura 6 per la finestra 3. Any advertising or decorative markings of the container, schematized with 102, are also printed or with other suitable conventional technologies, on the surface 107 of the paper layer 7 and their glossy effect as well as the waterproofing, are conferred on the single superimposed transparent film 8 which extends over the entire area of the layer 7, punched out and provided with an opening 6 for the window 3.

Nel loro complesso, quindi, le modalità realizzative di un contenitore a sacchetto provvisto di una porzione trasparente, mediante l’utilizza di materiale composito in accordo con il trovato, comprendono solo tre fasi di lavorazione e precisamente quella di stampa, quella di fustellatura con contemporanea formazione della finestra ed infine quella di plastificazione che, in un unico passaggio, plastifica lo strato stampato e chiude la finestra rendendola trasparente. Overall, therefore, the manufacturing methods of a bag-like container provided with a transparent portion, by using composite material in accordance with the invention, comprise only three processing steps and precisely that of printing, that of punching with simultaneous formation of the window and finally that of plasticization which, in a single step, plasticizes the printed layer and closes the window making it transparent.

Quanto sopra, risulta notevolmente vantaggioso rispetto alle modalità realizzative effettuate in accordo con la tecnica nota che comportano quattro fasi operative e cioè la stampa, la plastificazione, la fustellatura cola formazione della apertura per la finestra e, infine, l’applicazione di un film trasparente per chiudere la finestra. The above is considerably advantageous with respect to the manufacturing methods carried out in accordance with the known technique which involve four operating phases, namely printing, plasticizing, punching, forming the opening for the window and, finally, the application of a transparent film. to close the window.

Con il materiale laminare composito, secondo il trovato, si conseguono anche alcuni ulteriori importanti vantaggi tra i quali è importante ricordare la possibilità di realizzare contenitori a sacchetto con pareti resistenti ma anche molto sottili, la possibilità di un loro smaltimento completamente biodegradabile, al termine del loro utilizzo, ed, infine, la possibilità di realizzare contenitori a sacchetto con finestra trasparente anche di grande dimensione, comunque maggiori di quelle ottenibili con la attualmente nota tecnologia della applicazione dello strato trasparente mediante incollaggio sulla superficie interna della parete del sacchetto. With the composite laminar material, according to the invention, some further important advantages are also achieved, among which it is important to remember the possibility of making bag containers with resistant but also very thin walls, the possibility of their completely biodegradable disposal, at the end of the their use, and, finally, the possibility of making sachet containers with transparent windows even of large dimensions, in any case larger than those obtainable with the currently known technology of applying the transparent layer by gluing on the internal surface of the bag wall.

Claims (4)

RIVENDICAZIONI 1) Materiale laminare composito (2), utilizzabile per la realizzazione di contenitori a sacchetto (1), interamente compostabile e biodegradabile, caratterizzato per il fatto che comprende un primo strato (7), costituito da materiale cartaceo, ed un secondo strato (8), sovrapposto al primo, sulla superficie (107) di questo destinata a rimanere all’esterno del contenitore a sacchetto (1) quando questo è conformato, costituito da un film (8) di materiale traslucido trasparente biodegradabile. CLAIMS 1) Composite laminar material (2), usable for the realization of bag containers (1), entirely compostable and biodegradable, characterized in that it comprises a first layer (7), consisting of paper material, and a second layer (8 ), superimposed on the first, on the surface (107) of the latter destined to remain outside the bag-like container (1) when this is shaped, consisting of a film (8) of translucent transparent biodegradable material. 2) Materiale laminare composito, secondo la rivendicazione 1, caratterizzato per il fatto che detto primo strato (7) di materiale cartaceo include una porzione (6) con apertura destinata a costituire una finestra (3) in almeno una parete del contenitore a sacchetto, quando questo è conformato con detto materiale laminare, e per il fatto che detto secondo strato (8), in film traslucido trasparente, sovrapposto al primo (7), si estende per tutta la superficie di questo, inclusa la porzione (6) con apertura. 2) Composite laminar material, according to claim 1, characterized in that said first layer (7) of paper material includes a portion (6) with an opening intended to constitute a window (3) in at least one wall of the bag container, when this is conformed with said laminar material, and due to the fact that said second layer (8), in transparent translucent film, superimposed on the first (7), extends over its entire surface, including the portion (6) with an opening . 3) Materiale laminare composito, secondo le rivendicazioni 1 e 2, caratterizzato per il fatto che detto primo strato (7) di materiale cartaceo include una porzione (102) sulla quale sono riprodotte marcature pubblicitarie o decorative del contenitore e per il fatto che detto secondo strato (8), in film traslucido trasparente, sovrapposto al primo (7), si estende per tutta la superficie di questo, inclusa la porzione (102) con le dette marcature. 3) Composite laminar material, according to claims 1 and 2, characterized by the fact that said first layer (7) of paper material includes a portion (102) on which advertising or decorative markings of the container are reproduced and by the fact that said second layer (8), in transparent translucent film, superimposed on the first (7), extends over its entire surface, including the portion (102) with said markings. 4) Contenitore a sacchetto (1) in materiale laminare composito, interamente compostabile e biodegradabile realizzato in accordo con una o più delle rivendicazioni da 1 a 3. 4) Bag container (1) in composite laminar material, entirely compostable and biodegradable, made in accordance with one or more of claims 1 to 3.
IT102019000010584A 2019-07-01 2019-07-01 Biodegradable composite laminar material for making pouch containers with a transparent portion IT201900010584A1 (en)

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IT102019000010584A IT201900010584A1 (en) 2019-07-01 2019-07-01 Biodegradable composite laminar material for making pouch containers with a transparent portion

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2757049A1 (en) * 2013-01-22 2014-07-23 Karl Kimmlinger Folding bag made of paper

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2757049A1 (en) * 2013-01-22 2014-07-23 Karl Kimmlinger Folding bag made of paper

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