EP3122643B1 - Ensemble emballage et procédé d'emballage de produits - Google Patents

Ensemble emballage et procédé d'emballage de produits Download PDF

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Publication number
EP3122643B1
EP3122643B1 EP15713682.1A EP15713682A EP3122643B1 EP 3122643 B1 EP3122643 B1 EP 3122643B1 EP 15713682 A EP15713682 A EP 15713682A EP 3122643 B1 EP3122643 B1 EP 3122643B1
Authority
EP
European Patent Office
Prior art keywords
container
connecting member
product
package assembly
volume
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.)
Active
Application number
EP15713682.1A
Other languages
German (de)
English (en)
Other versions
EP3122643A2 (fr
Inventor
Matteo Colaone
Giulio Benedetti
Stefano Capitani
Ivo Pascolo
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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 Cryovac LLC filed Critical Cryovac LLC
Publication of EP3122643A2 publication Critical patent/EP3122643A2/fr
Application granted granted Critical
Publication of EP3122643B1 publication Critical patent/EP3122643B1/fr
Active legal-status Critical Current
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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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • B65D31/147—Valve bags, i.e. with valves for filling the filling port being provided in a side wall
    • 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
    • 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
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3205—Separate rigid or semi-rigid containers joined to each other at their external surfaces

Definitions

  • the present invention relates to a package assembly and to a process for packaging products.
  • the package assembly and the process are configured to package food products.
  • the package assembly is configured for separately packaging a first food product mainly comprising a liquid component and a second food product mainly comprising a solid component.
  • Plastic containers are used for the packaging of items, such as food or other products.
  • a plastic pouch of a tray with a film lid may be used to define a closed package containing the food product.
  • the food product hosted in the package is protected and isolated from the external atmosphere. In this manner food products may be shipped in a relatively simple manner and food properties preserved.
  • each compartment of a single package receives a respective food product which is kept separate from the other food products until the package is opened and used by a customer.
  • document WO2006/051383 A1 discloses a food product package which comprises two compartments divided by a membrane, wherein the first compartment is used for containing a first relatively solid substance and the second department is used for containing a second more liquid substance.
  • the package comprises a means for easily producing an opening in the membrane thereby enabling the second substance to flow to the first compartment before the combined food product is then consumed.
  • WO 2008/005933 A2 shows a pouch and a bag which may be connected via respective connectors and WO 01/36276 A2 discloses a deformable container for hosting liquids.
  • multi-compartment containers are often characterized by scarce flexibility for the final user.
  • a user may only use the specific components (typically two) housed in the multi-compartment container, with no possibility of choosing different combinations.
  • a user cannot decide on the specific quantity of the second component that should be mixed with the first component.
  • the shelf life of the overall packaging is dictated by shelf life of the product having the shortest shelf life. This sometimes results in food waste.
  • a further object is offering a package assembly ideal for packaging multiple food products.
  • An ancillary object is that of offering a package assembly suitable for allowing isolated packaging of multiple food products before use (e.g. during shipping, storing and exposing of the products), and facilitated mixing of the products when it comes the moment to consume or cook or prepare the final food product.
  • a further object of the invention is a packaging process which can be implemented without significantly impairing on costs and thus suitable for offering a package assembly of competitive price.
  • Deformable container is any container having at least a collapsible or deformable or displaceable wall or wall portion such that the volume inside the container is susceptible of being chaged by exerting pressure on the deformable container.
  • Pouch or bag comprises a deformable container obtained by joining together one or more films.
  • Tray comprises a container having a base wall, a side wall emerging from the base wall and a top rim directed transverse to the side wall.
  • a food package assembly is globally indicated with reference numeral 1.
  • the assembly 1 includes a first container 2 which is configured for delimiting a first volume 3 wherein at least one first product 4 is inserted.
  • the first container 2 may be a deformable container such as - for example - a pouch (see figure 1 ) formed from one or more plastic films: the plastic film or films forming the pouch are sealingly joined at sealing lines and form a hermetically sealed first volume 3 inside which the first food product 4 is inserted before completely sealing the pouch.
  • the first container 2 may be in the form of a tray: the tray is preferably made as a single piece plastic body and has a base wall, a side wall emerging from the base wall, and a top rim; a plastic film sheet is sealingly fixed at least to the tray top rim and forms an hermetically sealed first volume inside which the first product is inserted before hermetic closure of the film sheet to the tray.
  • the package assembly also includes a second container 5 delimiting a second volume 6 where at least one second product 7 is positioned.
  • the second container 5 may be a deformable container such as - for example - a pouch ( figure 1 ) formed from one or more plastic films: the plastic film or films forming the pouch are sealingly joined at sealing lines and form a hermetically sealed second volume inside which the second food product is inserted before completely sealing the pouch.
  • the second container may be in the form of a tray ( figure 9 , figures 26-34 ): in this case too, the tray is may be in a single piece plastic body and has a base wall, a side wall emerging from the base wall, and a top rim; a plastic film sheet is sealingly fixed at least to the tray top rim and forms an hermetically sealed second volume inside which the second product is inserted before hermetic closure of the film sheet to the tray.
  • the first container may be a pouch while the second container may be a tray (see figure 9 ), or both containers can be in the form of pouches ( figure 1 ), or both containers may be in the form of trays (not shown).
  • the products inside the first and second containers are food products such as by way of non-limiting example:
  • All the above goods may hosted in the respective first or second container either alone or in combination with other goods in the above list or premixed with particulate (salt, flavors, other).
  • the first container 2 which is typically a deformable container such as pouch may host a food product 4 in the form of a liquid or a gel or a paste or a particulate, or a mixture of liquid or gel with particulate, such as a sauce, a soup, a juice, a cream, a topping, a seasoning or one or more aromatic substances.
  • the second container 5 is typically a deformable container such as pouch ( figure 1 ) or a tray ( figure 9 , figures 26-34 ) hosting a solid product 7, such as a piece of meat, a piece of fish, pasta, risotto or any other solid food product which - before being consumed - may require to receive the food product present in the first container.
  • the package assembly 1 includes a connecting device 8 designed to connect the first and second containers 2 and 5.
  • the connecting device 8 presents a first connecting member 9 carried by the first container 2 and a second connecting member 10 carried by the second container 5.
  • the first and second connecting members 9 and 10 are designed to cooperate such as to define, when directly or indirectly connected, a channel 11 placing the first and second containers in fluid communication.
  • the package assembly 1 is configured to be placed in at least one disconnected condition, where said first and second volumes 3 and 6 are isolated the one from the other: in practice in this condition the two containers are completely independent and isolated.
  • Each container 2, 5 is preferably hermetically sealed, with the first container 2 physically separated from the second container 5, such that the two containers may be manufactured, shipped, presented for sale one independently from the other.
  • the package assembly 1 may also be placed in a connected condition (see e.g., figures 3 , 5 , 11 ), where the connecting device 8 has the first connecting member 9 connected with the second connecting member 10 forming said communication channel 11 between the first volume 3 and the second volume 6, so that the first and second food products may be brought one in contact with the other.
  • the connecting device 8 has the first connecting member 9 connected with the second connecting member 10 forming said communication channel 11 between the first volume 3 and the second volume 6, so that the first and second food products may be brought one in contact with the other.
  • at least one of the first connecting member 9 and the second connecting member 10 comprises a tubular body having a wall portion 22, 23 which - before first connection of the first connecting member with the second connecting member - extends transversally and closes the lumen of the tubular body of the first and/or second connecting members 9, 10.
  • the wall portion is opened either by action of one of the first or second connecting members or by action of a piercing member associated to one of said first and second connecting members or by action of piercing portion(s) carried by a further component.
  • the communication channel 11 presents a channel lumen configured to allow passage of the first product 4 from the first volume 3 to the second volume 6, while preventing passage of the second product 7 from the second volume 6 to the first volume 3.
  • the first volume typically hosts a liquid or a gel or a particulate or a paste or a mixture of liquid or gel or paste with particulate, such as a sauce, a soup, a juice, a cream, a topping, a seasoning or the like
  • the channel 11 should be sufficiently sized to have a lumen of few mm (e.g. from 0, 50 mm to 30 mm) allowing the first product to pass from the first container to the second container.
  • the second container 5 typically hosts a solid food product comprising one or more solid food pieces sized not to pass through said channel lumen.
  • the food contained in the first container can be poured or transferred into the second container and then the final food product prepared.
  • the first connecting member 9 comprises a tubular body 12 having a terminal flange 13 and a side wall 14.
  • the terminal flange 13 of the first connecting member is fixed to an inner surface 2a of the first container 2, such that the first connecting member may entirely extend and be housed in the first volume 3 inside the first container 2.
  • the terminal flange 13 of the first connecting member may be fixed to an outer surface 2b of the first container with the first connecting member extending outside the first container.
  • the first connecting member may also comprise a further terminal flange 15, which delimits an open end of the tubular body and which is axially opposite with respect to the terminal flange 13.
  • the second connecting member 10 comprises a tubular body 16 having a terminal flange 17 and a side wall 18; the terminal flange 17 of the second connecting member is fixed to an inner surface 5a the second container 5, such that the second connecting member may entirely extend and be housed in the second volume 6 defined inside the second container 5.
  • the terminal flange of the second connecting member may be fixed to an outer surface 5b of the second container with the second connecting member extending outside the first container.
  • the second connecting member 10 may also comprise a further terminal flange 19, which delimits an open end of the tubular body and which is axially opposite to the terminal flange 17.
  • the side wall 14 of the tubular body of the first connecting member 9 forms one or more radial passages 20 (see figure 5 ).
  • the side wall 18 of the tubular body of the second connecting member 10 forms a one or more radial passages 21.
  • the radial passages 20 and 21 facilitate fluid exchange.
  • the first and second connecting members 9 and 10 may be identical, such that in term of manufacturing only one product type needs to be made when it comes to the connecting members.
  • FIGS 6-8 a condition where the first and second containers 2 and 5 are disconnected is shown: in particular the two containers have never been connected before and thus the first and second volumes 3 and 6 are isolated and hermetically closed.
  • the following description relates to the case where both the first and second connecting members 9 and 10 are housed inside the respective containers although - as mentioned above - the first and second connecting members may alternatively be fixed to an outer surface of the respective container and extend outside the first and second volumes.
  • the first connecting member 9 is positioned inside the first volume 3 and the terminal flange 13 of the first connecting member is fixed to an inner surface 2a of a wall of said first container 2; before first connection of the first connecting member 9 with the second connecting member 10, a wall portion 22, which in this case is part of the wall of the first container 2, closes a lumen of the tubular body of the first connecting member 9 at said terminal flange 13 ( figure 7 ): in other words a part of the film forming the pouch or the top film sheet of the first container acts in closure of the passage delimited by the terminal flange 13.
  • the second connecting member 10 is positioned inside the second volume 6 and said terminal flange 17 of the second connecting member 10 is fixed to an inner surface 5a of a wall of said second container 5: again, before first connection of the first connecting member with the second connecting member, a wall portion 23, which in this case is part of the wall of the second container 5 closes a lumen of the tubular body at said terminal flange 17 ( figure 8 ).
  • connection device 8 Upon connection of the first connecting member with the second connecting member ( figures 1 , 3 and 11 ), the wall portions 22, 23 which close the lumen of the first and second connecting members 9 and 10 are opened and thus a fluid passage is created through communication channel 11.
  • the wall portions may be formed inside the respective first and/or second connecting members (e.g., in the form of plastic membranes) and not be located at the terminal flange.
  • the connection device 8 further includes an interconnection piece 24 ( figures 3 , 5 and 11 ). Details of the interconnection piece are shown in figures 12-17 .
  • the interconnection piece 24 - when the food package assembly is placed in said connected condition - is configured to be interposed between the first and second connecting members 9 and 10 and connect the first connecting member with the second connecting member, forming said communication channel 11.
  • the first connecting member 9 couples with the second connecting member 10 via interposition of the interconnection piece 24 which also causes opening (e.g. rupture) of the film wall portions 22, 23 closing each tubular body of the first and second connecting members.
  • the interconnection piece 24 comprises a main body 25 of tubular shape and a flange 26 radially emerging from an outer surface 25a of the main body 25: in practice, the flange 26 may be axially positioned in the middle of the main body 25 and divide the interconnection piece in two axially symmetrical portions.
  • the main body presents opposite tubular segments 27, 28 extending on opposite sides of the flange 26: each of the tubular segment is insertable through the tubular body of the respective of said first and second connecting members 9 and 10, thereby engaging together the three components 9, 10 and 24 and causing formation of the communication channel 11.
  • the interconnection piece 24 has axially opposite piercing portions 29, 30 defined at ends of said opposite tubular segments 27, 28: upon insertion of the opposite tubular segments 27, 28 into the respective connecting member 9,10 the piercing portions 29, 30 are configured to rupture the film portions 22,23 closing the lumens of the connecting members, thereby creating a fluid passage through the communication channel 11 ( figures 3 , 5 and 11 ).
  • the interconnection piece 24 is in the form of a separate component distinct from the first and the second connecting members 9 and 10; according to a possible alternative the interconnection piece 24 may be carried by one or the other of the first and second connecting members.
  • each of said opposite tubular segments 27, 28 of the interconnection piece 24 is configured to engage one respective of said first connecting member and second connecting member 9 and 10: the opposite tubular segments 27, 28 of the interconnection piece 24 may therefore be identical if the first and second connecting members 9 and 10 are identical. In this case, the opposite tubular segments 27, 28 of the interconnection piece 24 may interchangeably engage one or the other of said first connecting member and second connecting member 9 and 10.
  • the opposite tubular segments 27, 28 of the interconnection piece 24 may have an axial length which is shorter than an axial length of said first and second connecting members 9, 10: this allows the tubular segments of the interconnection piece to remain inside the first and second connecting members even when the first and second containers are connected thus avoiding that the piercing portions also undesirably pierce the first and second container walls at locations different from those where the connecting members are fixed.
  • the opposite tubular segments 27, 28 of the interconnection piece 24 may configured to be slidingly inserted into the corresponding tubular bodies of the first and second connecting members 9, 10: in other words, the outer surface of the opposite tubular segments substantially matches in shape and size the inner surface of the respective connecting members.
  • a light interference may exist between the tubular segments outer surfaces and the inner surfaces of the corresponding connecting members.
  • the flange 26 acts as an abutment on both sides of the flange 26 (see figure 5 ) and the axially opposite piercing portions 29, 30 defined at ends of said opposite tubular segments pierce and open the wall portion 22 and the wall portion 23 respectively of the first and second container 2 and 5, located at each terminal flange 13, 17 of the first and second connecting members.
  • the tubular segments 27, 28 of the interconnection piece 24 may also comprise a proximal portion having a first external diameter and end portion having second external diameter bigger than first external diameter to define, on the outer surface of each tubular segment, a radial step 31 configured to snap fit into a corresponding recess provided in the first and second connecting member 9 and 10: the recess may be defined in correspondence of one of said radial openings 20, 21 present on each connecting member.
  • the interconnection piece 24 comprises a valve member 32, optionally of the unidirectional type, positioned inside the main body 25.
  • the valve member 32 comprises one or more bendable flaps 33 radially emerging from the inner surface of the main body 25 of the interconnection piece 24 and angularly displaceable from an extended condition ( figures 12 and 13 ) where the flap or flaps 33 interdict fluid passage to a bent condition ( figures 15 and 16 ) where the flap or flaps 33 allow fluid passage.
  • the flaps are integrally formed with the interconnection piece body. In this embodiment, the flaps are initially connected the one with the other at weakening lines or pre-cut lines 34 and thus form a membrane which closes fluid passage.
  • the lines 34 may define closure borders when - due to a pressure decrease - the flaps return to their initial extended position.
  • the valve member may include one frangible membrane (it may also be possible using two or more consecutively positioned membranes) extending across the lumen of the main body and having one or more weakening lines or precuts; the weakening lines or the precuts on the frangible membrane are configured to allow a direction of preferential opening of the membrane when a pressure above atmosphere is created inside one of said first and second containers placed in the connected condition (for instance when - after connection - a user squeezes one of the two containers).
  • frangible membrane it may also be possible using two or more consecutively positioned membranes
  • the weakening lines or the precuts on the frangible membrane are configured to allow a direction of preferential opening of the membrane when a pressure above atmosphere is created inside one of said first and second containers placed in the connected condition (for instance when - after connection - a user squeezes one of the two containers).
  • the interconnection piece 24 may also include a closure cap member 35 - which may be fixed to or integrally formed with the interconnection piece.
  • the closure cap member 35 may alternatively be linked to one of the two connecting members.
  • the cap member 25 may be linked to the flange 26 of the interconnection piece 24 by means of flexible and elongated band 36 which allows the closure cap to be engaged in closure on one of said tubular segments when the other of said tubular segments is inserted into the respective one of the connecting members.
  • the first container 2 and the first connecting member 9 may be exactly as described above.
  • the second connecting member 10 fixedly carries or forms a spout 37 emerging outside the respective second container 5.
  • the spout 37 may bear an integrally associated cap member which can be removably coupled to the spout to open or close fluid passage through the connecting member carrying the spout.
  • the spout 37 presents one or more piercing portions or members 38 and is configured to be inserted into and engage with the tubular body of the first connecting member 9 to pierce the wall portion 22 thereby opening fluid passage between the first and the second volumes 3 and 6, when the two containers 2 and 5 are in the connected condition.
  • the spout 37 may take the shape of an ogive with radial passages 39 and a pointed piercing tip 38. Furthermore, the spout outer surface 37a may be provided with an annular protruding lip 40 configured to snap fit into a corresponding recess provided in the first connecting member 9.
  • first container 2 and second container 5 may be in the form of stand-up containers, for instance stand-up pouches.
  • the first and second connecting members may be as described above in their general structure (i.e. each comprising a tubular body and a flange fixed to the container wall) and additionally integrate a mechanical coupling.
  • first and second connecting members may have for example a female coupling (e.g.: a female bayonet or a female thread or a recess for a snap fitting coupling)) and while the other of said first and second connecting members may have a male coupling (such as a male bayonet or a male thread or a protrusion for a snap fitting) such that the first connecting member may be directly coupled to the second connecting member opening the passage of fluid between the first and the second volumes.
  • a female coupling e.g.: a female bayonet or a female thread or a recess for a snap fitting coupling
  • a male coupling such as a male bayonet or a male thread or a protrusion for a snap fitting
  • first connecting member 9 may have a tubular body in the form of a threaded male configured to be inserted into and engage with female thread carried by the tubular body of the second connecting member 10.
  • the coupling of the two connecting members causes piercing of the wall portion(s) or membranes associated in closure of each or at least one of the connecting member 9, 10, thereby opening fluid passage between the first and the second volumes 3 and 6, when the two containers 2 and 5 are in the connected condition.
  • the first and second members may be either fixed to a side wall of the respective container or to a terminal top end of the respective container.
  • a membrane closes one of the ends of the first and second connecting members (the female) before the two connecting members are coupled (e.g., by threaded or bayonet coupling) the one into the other: upon coupling the penetration of the male member into the female member causes rupture of the wall portion or membrane associated to the female connecting member.
  • the connecting member without membrane (the male) is preferably provided with a closure cap which can be removed when the coupling between the connecting members needs to take place.
  • FIG. 26-34 A further example of package assembly 1 according to aspects of the invention is shown in figures 26-34 .
  • the components already described in the common part of the description take the same reference numbers.
  • the package assembly 1 has first container 2 which comprises a deformable container 45, such as a bag or pouch, provided with a dispensing aperture 46 located in correspondence of the first connecting member 9 and providing access to the first volume 3.
  • the package assembly 1 also includes second container 5 which comprises a tray 50: note that in figure 26 the first container 2 is separate and apart from the second container 5, while in figure 27 the first container is coupled to the second container.
  • the tray 50 has a base wall 51, a side wall 52 and preferably a top rim 53 radially emerging from a base wall top portion.
  • the second connecting member 10 is attached to the second container 5 in correspondence of the base wall 51 of the tray: for instance the second connecting member 10 may be glued or heat bonded to the base wall inner surface 51a (which in the figures is the top surface of the base wall).
  • the second container 5 also comprises a plastic film sheet 55 sealingly fixed to the tray 50 to define at least said second volume 6: the plastic film 55 forms a plastic skin in contact with the product, with the top rim 53 (if present) and with at least part of the inner surface 52a of the side wall 52 of the tray not covered by the product; according to an aspect, the plastic film is hermetically fixed to the tray to house the product under vacuum or under a controlled atmosphere.
  • the plastic film 55 covers the product 7 and also covers second connecting member 10: in practice - when the package assembly is in said disconnected condition - the second connecting 10 member is covered with the plastic film in correspondence of its entire exposed surface (i.e. the surface not facing against the base wall of the tray).
  • the plastic film 55 is fixed to the tray such that - in said disconnected condition - it defines in cooperation with the tray both said second volume 6, hosting the product, and an auxiliary volume 56 - distinct from said second volume - housing said second connecting member.
  • the second connecting member 10 comprises a diaphragm 57 extending inside the tubular body 16 and transverse to side wall 18: in correspondence of said disconnected condition (shown in figure 28 ) - the diaphragm is fixed to the side wall inner surface in correspondence of a first position; in the first position the diaphragm 57 is located at an intermediate zone of the axial length of the same side wall of the second connecting member: as shown in figure 28 , in this position the diaphragm divides the inside of the tubular body 16 into two segments a higher segment 16a and a lower segment 16b which may have about the same length.
  • the plastic film forms a plastic skin, above and in contact with the second connecting member, which includes a plastic skin portion 58 extending inside the second connecting member and covering part of the inner surface of the second connecting member side wall and a further plastic skin portion 59 covering the top surface 57a of said diaphragm 57: thus the lower segment 16b extending between the diaphragm and the base wall of the tray is hermetically isolated from the environment external to the package by virtue of the presence of the plastic film 55.
  • the channel 54 extends radially outside the side wall of the second connecting member and reaches the second volume 6 to place in fluid communication the second volume with the auxiliary volume 56 and specifically with the inside of lower segment 16b.
  • the first container 2 comprises deformable container 45 which is provided with dispensing aperture 46 located in correspondence of the first connecting member 9 and providing access to the first volume 3: in detail, the first connecting member has the flange 13 thereof engaged to the first container at said aperture 46 and, on an end axially opposed to said flange, carries spout 37. In an alternative not shown the first connecting member may have no spout.
  • the spout 37 carried by the first connecting member or the first connecting member end opposite to the flange enter into the lumen of tubular body 16 of the second connecting member 10 and urge against the diaphragm 57 separating the diaphragm from the side wall of the second connecting member and severing said further plastic skin portion 59 of the plastic film from the rest of the plastic film.
  • the diaphragm 57 (together with the further plastic skin portion 59) is moved to a second position of figures 29 and 30 , position which is axially spaced from the first position: this creates a fluid communication from the first housing to the inside of the tubular body to channel and to the second housing.
  • the diaphragm has a disk shaped element 60 having a plurality of radially extending tabs 61 connecting the disk shaped element to the inner surface of the tubular body 16 of the second connecting member 10.
  • the disk shaped element has radial size smaller than the radial size of the lumen of the tubular body 16 and is configured such that - when moved in said second potion - leaves the first end 54a of said channel 54 open and in communication with the lumen of the tubular body 16 of the second connecting member.
  • first container 2 deformable container 46
  • second container 5 tray + film sheet hosting the product
  • the user may start transferring the first product or part of it from the first to the second container, e.g., by squeezing the first container.
  • the first connecting member urges the diaphragm and crashes or severs the further film portion 59 thereby opening the communication channel 11 and putting the first volume in fluid communication with the channel 54 and with the second volume.
  • Figure 30 shows the content of the first container flowing into the communication channel 11, the channel 54 and reaching the second volume 6.
  • the pouch When the first container is in the form of a pouch, the pouch may be provided with at least a through hole, positioned in correspondence of a top zone of the pouch and designed to allow vertical hanging of the pouch on a support arm. Furthermore, the second container may be in the form of a stand up pouch.
  • the first container - when in the form of a pouch - may be provided with an ergonomic shape: for instance the pouch may present a central narrow region positioned between two larger regions, the narrower region facilitating squeezing of the pouch defining the first container when it comes to emptying the first container content into the second container.
  • the first and/or second connecting members may be provided with a frangible membrane located at the terminal flange thereof. The frangible membrane has the function to bear the film forming part or all the first and/or second container during the creation of a vacuum insider the first and/or second container.
  • the film material may be obtained by co-extrusion or lamination (hot or glue) processes, may have a symmetrical or asymmetrical structure and can be monolayer or multilayer.
  • the multilayer films have at least 2, more frequently at least 5, even more frequently at least 7 layers.
  • the total thickness of the film may vary frequently from 3 to 200 micron, in particular from 5 to 150 micron, even more frequently from 10 to 120 micron.
  • the films may be optionally cross-linked.
  • Cross-linking may be carried out by irradiation with high energy electrons at a suitable dosage level as known in the art.
  • the films may be heat shrinkable or heat-set.
  • the heat shrinkable films typically show free shrink value at 120°C measured according to ASTM D2732 in the range of from 1 to 80%, more frequently from 5 to 60%, even more frequently from 10 to 40% in both the longitudinal and transverse direction.
  • the heat-set films usually have free shrink values lower than 10% at 120°C, preferably lower than 5% in both the longitudinal and transversal direction (ASTM D 2732).
  • compositions comprise polyesters or polyamides as herein defined and their blends or polyolefins as herein defined and their blends.
  • the films typically comprise at least a heat sealable layer and an outer skin layer, which is generally made up of heat resistant polymers or polyolefin.
  • the sealing layer usually comprises a heat-sealable polyolefin which in turn comprises a single polyolefin or a blend of two or more polyolefins such as polyethylene or polypropylene or a blend thereof.
  • the sealing layer can be further provided with antifog properties by incorporating one or more antifog additives into its composition or by coating or spraying one or more antifog additives onto the surface of the sealing layer by technical means well known in the art.
  • the sealing layer may further comprise one or more plasticisers.
  • the skin layer typically comprises polyesters, polyamides or polyolefins.
  • a blend of polyamide and polyester can advantageously be used for the skin layer, as described in EP2691233A1 .
  • the films comprise a barrier layer.
  • Barrier films typically have an OTR (evaluated at 23°C and 0 % R.H. according to ASTM D-3985) below 100 cm 3 /(m 2 ⁇ day ⁇ atm) and more frequently below 80 cm 3 /(m 2 ⁇ day ⁇ atm).
  • the barrier layer is usually made of a thermoplastic resin selected among a saponified or hydrolyzed product of ethylene-vinyl acetate copolymer (EVOH), a polyamide, a polyester and a vinyl-vinylidene chloride (PVdC) and their admixtures.
  • EVOH ethylene-vinyl acetate copolymer
  • PVdC vinyl-vinylidene chloride
  • Film compositions particularly suitable for pouches and lidding films are described in EP2582518A1 . Particularly in the case of fresh red meat packages, twin lidding film comprising an inner, oxygen-permeable, and an outer, oxygen-impermeable, lidding film are advantageously used. These films are described for example in EP1848635 and EP0690012 .
  • Peculiar compositions polyester-based are those used for tray lidding of ready-meals packages.
  • the polyester resins can make up at least 50%, 60%, 70%, 80%, 90% by weight of the film.
  • These films are typically used in combination with polyester-based supports or trays.
  • the tray can be made of a cardboard coated with a polyester or it can be integrally made of a polyester resin.
  • Suitable trays for the package are CPET, APET or APET/CPET containers, either foamed or not-foamed.
  • CPET CPET
  • APET APET
  • CPET/CPET containers either foamed or not-foamed.
  • biaxially oriented PET films are used as lidding films in ready meals packages due to the high thermal stability of PET at standard food heating/cooking temperatures.
  • biaxially oriented polyester films are heat-set, i.e. non-heat-shrinkable.
  • a heat-sealable layer of a lower melting material is usually provided on the film.
  • the heat-sealable layer may be coextruded with the PET base layer (as disclosed in EP1529797 and WO2007/093495 ) or it may be solvent- or extrusion-coated over the base film (as disclosed in US2762720 and EP1252008 ).
  • ovenable polyester- or polyamide-based materials are for instance those reported in EP1393897 . These materials can advantageously be used to obtain ovenable bags or pouches or thermoformed ovenable support and the lid sealed thereto.
  • peel force A method of measuring the force of a peelable seal, herein referred to as "peel force" is described in ASTM F-88-00. Acceptable peel force values fare in the range from 100 g/25 mm to 850 g/25 mm, from 150 g/25 mm to 800 g/25 mm, from 200 g/25 mm to 700 g/25 mm.
  • the desired seal strength is achieved specifically designing the tray and the lid formulations.
  • the polymer components may contain appropriate amounts of additives normally included in such compositions. Some of these additives are preferably included in the outer layers or in one of the outer layers, while some others are preferably added to inner layers. These additives include slip and anti- block agents such as talc, waxes, silica, and the like, antioxidants, stabilizers, plasticizers, fillers, pigments and dyes, cross-linking inhibitors, cross-linking enhancers, UV absorbers, odor absorbers, oxygen scavengers, bactericides, antistatic agents, anti-fog agents or compositions, and the like additives known to those skilled in the art of packaging films.
  • slip and anti- block agents such as talc, waxes, silica, and the like, antioxidants, stabilizers, plasticizers, fillers, pigments and dyes, cross-linking inhibitors, cross-linking enhancers, UV absorbers, odor absorbers, oxygen scavengers, bactericides, antistatic agents, anti-
  • one or more layers of the films above described can be printed, in order to provide useful information to the consumer, a pleasing image and/or trademark or other advertising information to enhance the retail sale of the packaged product.
  • the films may be printed by any suitable method, such as rotary screen, gravure or flexographic techniques mas known in the art.
  • the film or film material is skin associated to the tray and or product and matching the contour of the product.
  • the film for skin applications may be made of a flexible multi-layer material comprising at least a first outer heat-sealable layer, an optional gas barrier layer and a second outer heat-resistant layer.
  • the outer heat-sealable layer may comprise a polymer capable of welding to the inner surface of the supports carrying the products to be packaged, such as for instance ethylene homo- or co-polymers, like LDPE, ethylene/alpha-olefin copolymers, ethylene/acrylic acid copolymers, ethylene/methacrylic acid copolymers, and ethylene/vinyl acetate copolymers, ionomers, co-polyesters, e.g. PETG.
  • the optional gas barrier layer preferably comprises oxygen impermeable resins like PVDC, EVOH, polyamides and blends of EVOH and polyamides.
  • the outer heat-resistant layer may be made of ethylene homo- or copolymers, ethylene/cyclic-olefin copolymers, such as ethylene/norbornene copolymers, propylene homo- or co-polymers, ionomers, (co)polyesters, (co)polyamides.
  • the film may also comprise other layers such as adhesive layers or bulk layers to increase thickness of the film and improve its abuse and deep drawn properties. Particularly used bulk layers are ionomers, ethylene/vinyl acetate copolymers, polyamides and polyesters.
  • One or more layers of the film can be cross- linked to improve the strength of the film and/or its heat resistance.
  • Cross-linking may be achieved by using chemical additives or by subjecting the film layers to an energetic radiation treatment.
  • the films for skin packaging are typically manufactured in order to show low shrink when heated during the packaging cycle. Those films usually shrink less than 15% at 160°C, more frequently lower than 10%, even more frequently lower than 8% in both the longitudinal and transversal direction (ASTM D2732).
  • the films usually have a thickness comprised between 15 microns and 200 microns, more frequently between 25 and 180 microns and even more frequently between 40 microns and 150 microns.
  • the skin packages are usually "easy-to-open", i.e. they are easily openable by manually pulling apart the two webs, normally starting from a point like a corner of the package where the upper web has purposely not been sealed to the support.
  • either the film or the tray can be provided with a suitable composition, allowing easy opening of the package, as known in the art.
  • the sealant composition and/or the composition of the adjacent layer of the tray and/or the film are adjusted in order to achieve the easy opening feature.
  • Various mechanisms can occur while opening an easy-to-open package. In the first one (“peelable easy opening”) the package is opened by separating the film and the tray at the seal interface.
  • the opening of the package is achieved through an initial breakage through the thickness of one of the sealing layers followed by delamination of this layer from the underlying support or film.
  • the third system is based on the "cohesive failure” mechanism: the easy opening feature is achieved by internal rupture of a seal layer that, during opening of the package, breaks along a plane parallel to the layer itself. Specific blends are known in the art to obtain such opening mechanisms, ensure the peeling of the film from the tray surface, such as those described in EP1084186 .
  • the polymer components may contain appropriate amounts of additives normally included in such compositions. Some of these additives are preferably included in the outer layers or in one of the outer layers, while some others are preferably added to inner layers. These additives include slip and anti- block agents such as talc, waxes, silica, and the like, antioxidants, stabilizers, plasticizers, fillers, pigments and dyes, cross-linking inhibitors, cross-linking enhancers, UV absorbers, odor absorbers, oxygen scavengers, bactericides, antistatic agents, anti-fog agents or compositions, and the like additives known to those skilled in the art of packaging films.
  • slip and anti- block agents such as talc, waxes, silica, and the like, antioxidants, stabilizers, plasticizers, fillers, pigments and dyes, cross-linking inhibitors, cross-linking enhancers, UV absorbers, odor absorbers, oxygen scavengers, bactericides, antistatic agents, anti-
  • Films suitable for skin applications are for instance exemplified in EP1398149 , EP1465765 and EP1871597 .
  • the spout, the connecting members and the interconnection pieces of the invention can be made by any conventional injection molding technique.
  • thermoplastic materials suitable for their manufacturing are, for example, polyethylene terephthalate, high density polyethylene, polypropylene, nylon, polyvinyl chloride.
  • thermoplastic material to be used for the manufacturing of the spout and the connecting members will be selected in order to resist to the heat treatment in the microwave and in the conventional oven.
  • the trays may be made of a single layer or, preferably, of a multi-layer polymeric material.
  • suitable polymers are for instance polystyrene, polypropylene, polyesters, high density polyethylene, poly(lactic acid), PVC and the like, either foamed or solid.
  • the tray is provided with gas barrier properties.
  • gas barrier properties refers to a film or sheet of material which has an oxygen transmission rate of less than 200 cm 3 /m 2 -day-bar, less than 150 cm 3 /m 2 -day-bar, less than 100 cm 3 /m 2 -day-bar as measured according to ASTM D-3985 at 23°C and 0% relative humidity.
  • Suitable materials for gas barrier monolayer thermoplastic trays are for instance polyesters, polyamides and the like.
  • suitable polymers are for instance ethylene homo- and co-polymers, propylene homo- and co-polymers, polyamides, polystyrene, polyesters, poly(lactic acid), PVC and the like.
  • Part of the multi-layer material can be solid and part can be foamed.
  • the tray may comprises at least one layer of a foamed polymeric material chosen from the group consisting of polystyrene, polypropylene, polyesters and the like.
  • the multi-layer material may be produced either by co-extrusion of all the layers using co-extrusion techniques or by glue- or heat-lamination of, for instance, a rigid foamed or solid substrate with a thin film, usually called "liner".
  • the thin film may be laminated either on the side of the tray in contact with the product or on the side facing away from the product or on both sides. In the latter case the films laminated on the two sides of the tray may be the same or different.
  • a layer of an oxygen barrier material for instance (ethylene-co-vinyl alcohol) copolymer, is optionally present to increase the shelf-life of the packaged product.
  • Gas barrier polymers that may be employed for the gas barrier layer are PVDC, EVOH, polyamides, polyesters and blends thereof.
  • the thickness of the gas barrier layer will be set in order to provide the tray with an oxygen transmission rate suitable for the specific packaged product.
  • the tray may also comprise a heat sealable layer.
  • the heat-sealable layer will be selected among the polyolefins, such as ethylene homo- or co-polymers, propylene homo- or co-polymers, ethylene/vinyl acetate copolymers, ionomers, and the homo- and co-polyesters, e.g. PETG, a glycol-modified polyethylene terephthalate.
  • Additional layers such as adhesive layers, to better adhere the gas-barrier layer to the adjacent layers, may be present in the gas barrier material for the tray and are preferably present depending in particular on the specific resins used for the gas barrier layer.
  • the tray may comprise (from the outermost layer to the innermost food-contact layer) one or more structural layers, typically of a material such as foam polystyrene, foam polyester or foam polypropylene, or a cast sheet of e.g. polypropylene, polystyrene, poly(vinyl chloride), polyester or cardboard; a gas barrier layer and a heat-sealable layer.
  • a material such as foam polystyrene, foam polyester or foam polypropylene, or a cast sheet of e.g. polypropylene, polystyrene, poly(vinyl chloride), polyester or cardboard
  • a gas barrier layer typically of a material such as polypropylene, polystyrene, poly(vinyl chloride), polyester or cardboard.
  • the tray may be obtained from a sheet of foamed polymeric material having a film comprising at least one oxygen barrier layer and at least one surface sealing layer laminated onto the side facing the packaged product, so that the surface sealing layer of the film is the food contact layer the tray.
  • a second film, either barrier or non-barrier, may be laminated on the outer surface of the tray.
  • tray formulations are used for food products which require heating in conventional or microwave oven before consumption.
  • the surface of the tray in contact with the product i.e. the surface involved in the formation of the seal with the lidding film, comprises a polyester resin.
  • the tray can be made of a cardboard coated with a polyester or it can be integrally made of a polyester resin.
  • suitable trays for the package of the invention are CPET, APET or APET/CPET trays. Such trays can be either foamed or not-foamed.
  • Trays used for lidding or skin applications containing foamed parts have a total thickness lower than 8 mm, and for instance may be comprised between 0.5 mm and 7.0 mm and more frequently between 1.0 mm and 6.0 mm.
  • the total thickness of the single-layer or multi-layer thermoplastic material is preferably lower than 2 mm, and for instance may be comprised between 0.1 mm and 1.2 mm and more frequently between 0.2 mm and 1.0 mm.
  • PVDC is any vinylidene chloride copolymers wherein a major amount of the copolymer comprises vinylidene chloride and a minor amount of the copolymer comprises one or more unsaturated monomers copolymerisable therewith, typically vinyl chloride, and alkyl acrylates or methacrylates (e.g. methyl acrylate or methacrylate) and the blends thereof in different proportions.
  • a PVDC barrier layer will contain plasticisers and/or stabilizers as known in the art.
  • EVOH includes saponified or hydrolyzed ethylene-vinyl acetate copolymers, and refers to ethylene/vinyl alcohol copolymers having an ethylene comonomer content preferably comprised from about 28 to about 48 mole %, more preferably, from about 32 to about 44 mole % ethylene, and even more preferably, and a saponification degree of at least 85%, preferably at least 90%.
  • polyamides as used herein is intended to refer to both homo- and co- or ter-polyamides. This term specifically includes aliphatic polyamides or co-polyamides, e.g., polyamide 6, polyamide 11, polyamide 12, polyamide 6/6, polyamide 6/9, polyamide 6/10, polyamide 6/12, copolyamide 6/9, copolyamide 6/10, copolyamide 6/12, copolyamide 6/66, copolyamide 6/69, aromatic and partially aromatic polyamides or co-polyamides, such as polyamide 61, polyamide 6I/6T, polyamide MXD6, polyamide MXD6/MXDI, and blends thereof.
  • Ethylene copolymers refers to a polymer derived from two or more types of monomers, and includes terpolymers.
  • Ethylene homopolymers include high density polyethylene (HDPE) and low density polyethylene (LDPE).
  • Ethylene copolymers include ethylene/alpha-olefin copolymers and ethylene/unsaturated ester copolymers.
  • Ethylene/alpha-olefin copolymers generally include copolymers of ethylene and one or more comonomers selected from alpha-olefins having from 3 to 20 carbon atoms, such as 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1-pentene and the like.
  • Ethylene/alpha-olefin copolymers generally have a density in the range of from about 0.86 to about 0.94 g/cm3.
  • the term linear low density polyethylene (LLDPE) is generally understood to include that group of ethylene/alpha-olefin copolymers which fall into the density range of about 0.915 to about 0.94 g/cm3 and particularly about 0.915 to about 0.925 g/cm3.
  • linear polyethylene in the density range from about 0.926 to about 0.94 g/cm3 is referred to as linear medium density polyethylene (LMDPE).
  • Lower density ethylene/alpha-olefin copolymers may be referred to as very low density polyethylene (VLDPE) and ultra-low density polyethylene (ULDPE).
  • VLDPE very low density polyethylene
  • ULDPE ultra-low density polyethylene
  • Ethylene/alpha-olefin copolymers may be obtained by either heterogeneous or homogeneous polymerization processes
  • Another useful ethylene copolymer is an ethylene/unsaturated ester copolymer, which is the copolymer of ethylene and one or more unsaturated ester monomers.
  • Useful unsaturated esters include vinyl esters of aliphatic carboxylic acids, where the esters have from 4 to 12 carbon atoms, such as vinyl acetate, and alkyl esters of acrylic or methacrylic acid, where the esters have from 4 to 12 carbon atoms.
  • Useful propylene copolymers include propylene/ethylene copolymers, which are copolymers of propylene and ethylene having a majority weight percent content of propylene, and propylene/ethylene/butene terpolymers, which are copolymers of propylene, ethylene and 1-butene.
  • polyolefin refers to any polymerized olefin, which can be linear, branched, cyclic, aliphatic, aromatic, substituted, or unsubstituted. More specifically, included in the term polyolefin are homo-polymers of olefin, co-polymers of olefin, co-polymers of an olefin and an non-olefinic co-monomer co-polymerizable with the olefin, such as vinyl monomers, modified polymers thereof, and the like.
  • polyethylene homo-polymer polypropylene homo-polymer, polybutene homo-polymer, ethylene- alpha -olefin co-polymer, propylene- alpha -olefin co-polymer, butene- alpha -olefin co-polymer, ethylene-unsaturated ester co-polymer, ethylene-unsaturated acid co-polymer, (e.g.
  • ethylene-ethyl acrylate co-polymer ethylene-butyl acrylate co-polymer, ethylene-methyl acrylate co-polymer, ethylene-acrylic acid co-polymer, and ethylene-methacrylic acid co-polymer
  • ethylene-vinyl acetate copolymer ethylene-vinyl acetate copolymer, ionomer resin, polymethylpentene, etc.
  • polyester is used herein to refer to both homo-and co- polyesters, wherein homo-polyesters are defined as polymers obtained from the condensation of one dicarboxylic acid with one diol and co- polyesters are defined as polymers obtained from the condensation of one or more dicarboxylic acids with one or more diols.
  • Suitable polyester resins are, for instance, polyesters of ethylene glycol and terephthalic acid, i.e. poly(ethylene terephthalate) (PET).
  • PET poly(ethylene terephthalate)
  • the remaining monomer units are selected from other dicarboxylic acids or diols.
  • Suitable other aromatic dicarboxylic acids are preferably isophthalic acid, phthalic acid, 2,5-, 2,6- or 2,7-naphthalenedicarboxylic acid.
  • cycloaliphatic dicarboxylic acids mention should be made of cyclohexanedicarboxylic acids (in particular cyclohexane-1 ,4-dicarboxylic acid).
  • the (C3-Ci9)alkanedioic acids are particularly suitable, in particular succinic acid, sebacic acid, adipic acid, azelaic acid, suberic acid or pimelic acid.
  • Suitable diols are, for example aliphatic diols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, 1 ,3-butane diol, 1 ,4- butane diol, 1 ,5-pentane diol, 2,2-dimethyl-1 ,3-propane diol, neopentyl glycol and 1 ,6-hexane diol, and cycloaliphatic diols such as 1 ,4- cyclohexanedimethanol and 1 ,4-cyclohexane diol, optionally heteroatom- containing diols having one or more rings.
  • aliphatic diols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, 1 ,3-butane diol, 1 ,4- butane diol, 1 ,5-pentane diol, 2,2-dimethyl
  • Co-polyester resins derived from one or more dicarboxylic acid(s) or their lower alkyl (up to 14 carbon atoms) diesters with one or more glycol(s), particularly an aliphatic or cycloaliphatic glycol may also be used as the polyester resins for the base film.
  • Suitable dicarboxylic acids include aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, phthalic acid, or 2,5-, 2,6- or 2,7-naphthalenedicarboxylic acid, and aliphatic dicarboxylic acids such as succinic acid, sebacic acid, adipic acid, azelaic acid, suberic acid or pimelic acid.
  • Suitable glycol(s) include aliphatic diols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, 1 ,3-butane diol, 1 ,4-butane diol, 1 ,5-pentane diol, 2,2- dimethyl-1 ,3-propane diol, neopentyl glycol and 1 ,6-hexane diol, and cycloaliphatic diols such as 1 ,4-cyclohexanedimethanol and 1 ,4- cyclohexane diol.
  • aliphatic diols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, 1 ,3-butane diol, 1 ,4-butane diol, 1 ,5-pentane diol, 2,2- dimethyl-1 ,3-propane diol, neopentyl glycol
  • copolyesters examples include (i) copolyesters of azelaic acid and terephthalic acid with an aliphatic glycol, preferably ethylene glycol; (ii) copolyesters of adipic acid and terephthalic acid with an aliphatic glycol, preferably ethylene glycol; and (iii) copolyesters of sebacic acid and terephthalic acid with an aliphatic glycol, preferably butylene glycol; (iv) co-polyesters of ethylene glycol, terephthalic acid and isophthalic acid.
  • Suitable amorphous co-polyesters are those derived from an aliphatic diol and a cycloaliphatic diol with one or more, dicarboxylic acid(s), preferably an aromatic dicarboxylic acid.
  • Typical amorphous copolyesters include co-polyesters of terephthalic acid with an aliphatic diol and a cycloaliphatic diol, especially ethylene glycol and 1 ,4- cyclohexanedimethanol.
  • modified atmosphere mixtures include a volumetric quantity of one or more of N2, O2 and CO2 which is different from the quantity of these same gases as present in the atmosphere at 20°C and sea level (1 atmosphere pressure).
  • the following gas mixtures may for instance be used (quantities are expressed in volume percentages at 20°C, 1atm of pressure) depending on the food product to be packaged:
  • each first container may host a respective and different first product 4.
  • each first container may host a different liquid or gel-like or paste-like or particulate food product
  • the second container 5 may host a solid food product 7 requiring to receive one or more of the food products present in the first containers in order to make a final food product aligned with the user need/taste.
  • Each of the first containers 2 of said plurality comprises, in this case, an identical first connecting member 9 forming said connecting device 8 when coupled to the second connecting member 10 of the second container 5, such that the user may select the first container 2 with the first product 4 he likes and then easily connect the first container to the second container flowing or pouring the content of the first container into the second container.
  • the first containers 2 may be used for hosting a plurality of different liquid or gel-like or paste-like or particulate first food products, each in a respective first container 2, while the second container 5 may be used for packaging a solid food product which may receive the selected one of the first food products.
  • the process for the preparation of food, using the package assembly described above or as claimed in any one of the appended package assembly claims may comprise the following steps.
  • First one first container 2 is coupled to one second container 5 using said connecting device 8 and forming said channel 11 between the first and second volumes.
  • the user may start transferring the first product or part of it from the first to the second container, e.g., by squeezing the first container.
  • the first container 2 may be disengaged from the second container 5 and the second container 5 may be closed using the closure cap member 35.
  • the two container 2 and 5 are kept in connection one to the other and disposed by the end consumer as an assembly.
  • the food in the second container may either be stored or left in an appropriate atmosphere (e.g., if the second food product needs time to be properly seasoned, or impregnated, or marinated by the first food product). Then, - if necessary - cooking may take place: the first and second food products hosted in the second container may be inserted in an appropriate oven for traditional or microwave cooking or it may be heated on a stove top or in boiler.
  • the manufacturing process includes the following main steps:
  • first and second container When the first and second container are in the form of pouches they may be made with either a vertical process (e.g., a vertical form/fill/seal (VFFS) packaging systems allowing in particular to pour liquid in the container under formation) or using an horizontal process.
  • a vertical process e.g., a vertical form/fill/seal (VFFS) packaging systems allowing in particular to pour liquid in the container under formation
  • VFFS vertical form/fill/seal
  • VFFS packaging systems have proven to be very useful in packaging a wide variety of food and non-food pumpable and/or flowable products.
  • the VFFS process is known to those of skill in the art, and described for example in U.S. Patent Nos. 4,506,494 (Shimoyama et al. ), 4,589,247 (Tsuruta et al ), 4,656,818 (Shimoyama et al. ), 4,768,41 1 (Su ), 4,808,010 (Vogan ), and 5,467,581 (Everette ).
  • lay-flat thermoplastic film is advanced over a forming device to form a tube, a longitudinal (vertical) fin or lap seal is made, and a bottom end seal is made by transversely sealing across the tube with heated seal bars.
  • a liquid, flowable, and/or pumpable product such as a liquid, semiliquid, or paste, with or without particulates therein, is introduced through a central, vertical fill tube to the formed tubular film. Squeeze rollers spaced apart and above the bottom end seal squeeze the filled tube and pinch the walls of the flattened tube together.
  • the process can be a two-stage process where the creation of a transverse heat seal occurs at one stage in the process, and then, downstream of the first stage, a separate pair of cooling/clamping means contact the just-formed transverse heat seal to cool and thus strengthen the seal.
  • VFFS processes an upper transverse seal of a first pouch, and the lower transverse seal of a following pouch, are made, and the pouches cut and thereby separated between two portions of the transverse seals, without the need for a separate step to clamp, cool, and cut the seals.
  • the pouch forming the first and/or the second container may be obtained using an horizontal form/fill/seal (HFFS) packaging system.
  • HFFS use a flat film which is horizontally sealed to form a tubular body.
  • the product (which should be solid or at least have the ability not to flow away during packaging) is positioned inside the tubular body which is sealed at intervals and severed to form separate pouches.
  • the first connecting member and the second connecting member are inserted into the respective pouch during formation of the pouch.
  • U.S. Pat. No. 4,603,793 discloses a how a connecting member 6a is mounted on the inside wall of a pouch.
  • the tray (which may be pre-formed or in-line thermoformed) is moved to a station where the product is inserted into the tray. Then a film is applied to the top of the tray: the film may be either a continuous film which is then severed ort a pre-cut film sheet. In either case the film may form a lid (with regular or controlled atmosphere inside the tray) or the film may be used to form a vacuum skin above the tray and above the product.
  • the connecting member is fixed to the film covering the tray top mouth either inside the tray or outside the tray. For instance the connecting member could be fixed to the film before coupling the film to the tray.

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Claims (15)

  1. Ensemble emballage alimentaire (1) comprenant :
    - un premier récipient (2) délimitant un premier volume (3) logeant au moins un premier produit (4),
    - un second récipient (5) délimitant un second volume (6) logeant au moins un second produit (7), le premier et le second produit (4, 7) étant des produits comestibles différents,
    - un dispositif de connexion (8) comprenant au moins un premier élément de connexion (9) porté par le premier récipient (2) et un second élément de connexion (10) porté par le second récipient (5), au moins l'un du premier élément de connexion (9) et du second élément de connexion (10) comprenant un corps tubulaire (12 ; 16) présentant une partie de paroi ou une membrane qui - avant la première connexion du premier élément de connexion au second élément de connexion - ferme une lumière du corps tubulaire (12 ; 16) d'au moins l'un dudit premier et second élément de connexion (9, 10) ;
    l'ensemble emballage alimentaire étant configuré pour être placé dans :
    au moins un état déconnecté, où lesdits premier et second volume (3, 6) sont isolés l'un de l'autre et, éventuellement hermétiquement scellés, avec le premier récipient (2) physiquement séparé du second récipient (5), et dans
    au moins un état connecté, où le premier élément de connexion (9) se connecte au second élément de connexion (10), le dispositif de connexion (8) étant configuré - dans ledit état connecté - pour provoquer l'ouverture de la partie de paroi ou de la membrane et former un canal de communication (11) entre le premier volume (3) et le second volume (6),
    le premier récipient (2) comprenant un récipient déformable (45) muni d'une ouverture de distribution (46) localisée en correspondance du premier élément de connexion (9) et fournissant l'accès au premier volume (3) ;
    caractérisé en ce que le second récipient (5) comprend un plateau (50) présentant une paroi de base (51), une paroi latérale (52) émergeant de la paroi de base, et éventuellement un rebord supérieur (53) émergeant radialement depuis une partie supérieure de paroi latérale, et en ce que le second élément de connexion (10) est fixé à la surface interne (51a) de la paroi de base de (51) du seconde récipient.
  2. Ensemble emballage selon la revendication 1, le premier élément de connexion (9) intégrant un accouplement mécanique, éventuellement une formation à ajustement par baïonnette ou par fil ou par pression, tandis que le second élément de connexion intègre un accouplement mécanique d'accouplement, éventuellement sous la forme d'une formation à ajustement par baïonnette ou par fil ou par pression, de sorte que le premier élément de connexion puisse être directement accouplé au second élément de connexion formant ledit canal de communication (11) et ouvrant un passage de liquide entre le premier et le second volume (3, 6), éventuellement l'accouplement du premier et du second élément de connexion entraîne le perçage ou la rupture de la partie de paroi ou de la membrane associée à la fermeture d'au moins l'un des éléments de connexion.
  3. Ensemble emballage selon l'une quelconque des revendications précédentes dans lequel le premier récipient et/ou le second récipient (2, 5) emballent les produits respectifs sous vide formant un(des) récipient(s) pelliculé(s) sous vide respectifs, en outre le premier élément de connexion et/ou le second élément de connexion (9, 10) étant munis d'une membrane fragile, localisée au niveau d'une collerette terminale respective.
  4. Ensemble emballage selon l'une quelconque des revendications précédentes, le second élément de connexion (10) comprenant un corps tubulaire (16) présentant une collerette terminale (17) et une paroi latérale (18), en outre la collerette terminale (17) du second élément de connexion (10) étant accouplée, fixée facultativement, au niveau d'une surface interne (51a) de ladite paroi de base (51) de sorte que le corps tubulaire (16) émerge de la paroi de base du plateau (50) ; et
    la collerette terminale (17) du second élément de connexion (10) définit en coopération avec ladite paroi de base (51) un canal (54) qui communique avec l'intérieur du corps tubulaire (16) et qui s'étend transversalement vers la paroi latérale du corps tubulaire (16).
  5. Ensemble emballage selon la revendication 4, le second récipient (5) comprenant une feuille de film en matière plastique (55) fixée hermétiquement au plateau (50) définissant en coopération avec le plateau au moins ledit second volume (6), la feuille de film en matière plastique (55) formant une pellicule en matière plastique en contact avec le produit, éventuellement avec le rebord supérieur, et avec au moins une partie de la surface interne de la paroi latérale du plateau non recouverte du produit, la feuille de film en matière plastique (55) étant hermétiquement fixée au plateau pour loger le produit sous vide ou sous une atmosphère contrôlée.
  6. Ensemble emballage selon la revendication 5, la feuille de film en matière plastique (55) recouvrant également le second élément de connexion (10) ; la feuille de film en matière plastique (55) étant fixée au plateau (50) de sorte que - dans ledit état déconnecté - elle définit ledit second volume (6) logeant le produit et un volume auxiliaire (56) - distinct dudit second volume - logeant ledit second élément de connexion (10) ; et ledit canal (54) s'étendant radialement à l'extérieur de la paroi latérale du second élément de connexion (10) et atteignant le second volume (6) plaçant en communication fluidique le second volume (6) avec le volume auxiliaire (56).
  7. Ensemble emballage selon l'une quelconque des revendications 4 à 6, le second élément de connexion (10) comprenant un diaphragme (57) s'étendant à l'intérieur du corps tubulaire (16) et transversalement à la paroi latérale (18), - en correspondance dudit état déconnecté - le diaphragme (57) étant fixé à la surface interne de paroi latérale du second élément de connexion (10) en correspondance d'une première position localisée au niveau d'une zone intermédiaire de la longueur axiale de la même paroi latérale du second élément de connexion.
  8. Ensemble emballage selon la revendication 5 et 7, - en correspondance dudit état déconnecté - la feuille de film en matière plastique (55) formant une pellicule en matière plastique, au-dessus et en contact avec le second élément de connexion (10), qui comprend une partie de pellicule en matière plastique (58) s'étendant à l'intérieur du second élément de connexion et recouvrant une partie de la surface interne de la paroi latérale du second élément de connexion et une partie supplémentaire de pellicule en matière plastique (59) recouvrant la surface supérieure (57a) dudit diaphragme (57).
  9. Ensemble emballage selon l'une quelconque des revendications 7 à 8, - lorsque l'ensemble emballage est porté en état connecté - par l'insertion d'un bec verseur (37) transporté par le premier élément de connexion (9) ou par l'insertion de l'extrémité du premier élément de connexion opposée à la collerette (13) dans la lumière du corps tubulaire (16) du second élément de connexion (10), le bec verseur (37) ou respectivement le premier élément de connexion (9) étant configuré pour pousser contre le diaphragme (57) séparant le diaphragme de la paroi latérale du second élément de connexion et déchirant ladite partie de pellicule supplémentaire (59) de la feuille de film en matière plastique (55) du reste de la feuille de film en matière plastique (55) déplaçant de là le diaphragme (57) vers une seconde position axialement espacée de la première position et créant une communication fluide depuis le premier volume (3) vers le canal (14) et vers le second volume (6).
  10. Ensemble emballage selon la revendication 9, le diaphragme (57) présentant un élément en forme de disque (60) ayant une pluralité d'onglets s'étendant radialement (61) connectant l'élément en forme de disque vers la surface interne du corps tubulaire du second élément de connexion (10), éventuellement l'élément en forme de disque (60) ayant une taille radiale inférieure à la taille radiale de la lumière du corps tubulaire (16) et étant configuré de sorte que lorsqu'il se trouve dans ladite seconde partie laisse une première extrémité (54a) dudit canal (54) ouverte et en communication avec la lumière du corps tubulaire (16) du second élément de connexion (10).
  11. Ensemble emballage selon l'une quelconque des revendications précédentes, le premier produit (4) dans le premier récipient (2) se présentant sous la forme d'un liquide ou d'un gel ou d'une particule ou d'une pâte, ou d'un mélange de liquide ou de gel ou de pâte avec une particule, telle qu'une sauce, une soupe, un jus, une crème, un décor, un assaisonnement, une substance ou une composition de substances comprenant un ou plusieurs arômes, et le second produit (7) logé dans le second récipient (5) est un produit alimentaire solide comprenant une ou plusieurs pièces d'aliment solide calibrées pour ne pas passer à travers ladite lumière de canal.
  12. Ensemble emballage selon l'une quelconque des revendications précédentes comprenant :
    - une pluralité desdits premiers récipients (2) contenant chacun un premier produit respectif et différent qui est un produit alimentaire liquide ou un produit alimentaire sous forme de gel ou un produit alimentaire sous forme de pâte ou un produit alimentaire sous forme de particules qui peut passer à travers ledit canal de communication, et
    - au moins un second récipient (5) logeant un second produit comprenant un produit alimentaire solide non capable de passer à travers ledit canal de communication, chacun desdits premiers récipients de ladite pluralité comprenant un premier élément de connexion identique formant ledit dispositif de connexion lorsqu'il est accouplé au second élément de connexion du second récipient.
  13. Utilisation de l'ensemble emballage (1) selon l'une quelconque des revendications précédentes pour l'emballage dans le premier récipient (2) d'un premier produit (4) comprenant un ou plusieurs du groupe : d'un produit alimentaire liquide ou d'un produit alimentaire sous forme de gel ou d'un produit alimentaire sous forme de pâte ou d'un produit alimentaire sous forme de particules, le produit alimentaire dans le premier récipient (2) étant capable de passer à travers ledit canal de communication (11); et pour l'emballage d'un second produit (7) comprenant un produit alimentaire solide dans le second récipient (5), le produit alimentaire solide dans le second récipient (5) étant calibré pour ne pas passer à travers le canal de communication (11).
  14. Procédé de préparation d'aliment, utilisant l'ensemble emballage (1) selon l'une quelconque des revendications 1 à 12, comprenant les étapes :
    - d'accouplement d'un premier récipient (2) à un second récipient (5) en utilisant ledit dispositif de connexion (8) et la formation dudit canal (11) entre le premier et le second volume (3, 6),
    - de transfert du premier produit (4) ou d'une partie de celui-ci depuis le premier vers le second récipient,
    - de cuisson éventuellement du premier et du second produit (4, 7) ;
    en outre dans lequel ladite étape d'accouplement comprend :
    - l'insertion du bec verseur transporté par l'un desdits premier et second élément de connexion (9, 10) dans le corps tubulaire (12, 16) de l'autre desdits premier et second élément de connexion (9, 10), jusqu'à ce qu'un ou plusieurs éléments de perçage percent la partie de paroi ou la membrane associée dans la fermeture d'au moins l'un des éléments de connexion ouvrant de là le passage de liquide entre le premier et le second volume (3, 6) ; ou
    - l'accouplement directement du premier élément de connexion (9) au second élément de connexion (10) formant ledit canal de communication (11) et ouvrant un passage de liquide entre le premier et le second volume (3, 6), l'accouplement du premier et du second élément de connexion provoquant le perçage de la partie de paroi ou de la membrane associée dans la fermeture de chaque élément de connexion,
    encore en outre, après l'étape de transfert, le second récipient (5) étant séparé du premier récipient (2) et - éventuellement - un élément de capuchon de fermeture (35) accouplé au bec verseur (37) ou directement à l'un du premier et du second élément de connexion (9, 10).
  15. Procédé de fabrication d'un ensemble emballage selon l'une quelconque des revendications précédentes de 1 à 12 comprenant :
    - la fabrication du premier récipient (2),
    - la fourniture du premier récipient (2) avec le premier élément de connexion (9),
    - l'insertion du premier produit alimentaire (4) dans le premier récipient (2),
    - éventuellement la formation d'un vide et/ou d'une atmosphère contrôlée dans le premier récipient (2),
    - la fermeture, éventuellement le scellement hermétique, du premier récipient (2),
    et
    - la fabrication du second récipient (5),
    - la fourniture du second récipient (5) avec le second élément de connexion (10),
    - l'insertion du second produit alimentaire (7) dans le second récipient (5),
    - éventuellement la formation d'un vide et/ou d'une atmosphère contrôlée dans le second récipient (5),
    - la fermeture, éventuellement le scellement hermétique, du second récipient (5).
EP15713682.1A 2014-03-26 2015-03-25 Ensemble emballage et procédé d'emballage de produits Active EP3122643B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14161774.6A EP2923963A1 (fr) 2014-03-26 2014-03-26 Ensemble emballage et procédé d'emballage de produits
PCT/EP2015/056475 WO2015144791A2 (fr) 2014-03-26 2015-03-25 Ensemble emballage et procédé d'emballage de produits

Publications (2)

Publication Number Publication Date
EP3122643A2 EP3122643A2 (fr) 2017-02-01
EP3122643B1 true EP3122643B1 (fr) 2018-07-04

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EP14161774.6A Withdrawn EP2923963A1 (fr) 2014-03-26 2014-03-26 Ensemble emballage et procédé d'emballage de produits
EP15713682.1A Active EP3122643B1 (fr) 2014-03-26 2015-03-25 Ensemble emballage et procédé d'emballage de produits

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EP (2) EP2923963A1 (fr)
ES (1) ES2686474T3 (fr)
RU (1) RU2694542C2 (fr)
WO (1) WO2015144791A2 (fr)

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Also Published As

Publication number Publication date
RU2016138179A (ru) 2018-04-27
ES2686474T3 (es) 2018-10-18
EP2923963A1 (fr) 2015-09-30
EP3122643A2 (fr) 2017-02-01
RU2694542C2 (ru) 2019-07-16
WO2015144791A2 (fr) 2015-10-01
WO2015144791A3 (fr) 2015-11-12

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