EP4124584A1 - Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung - Google Patents

Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung Download PDF

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Publication number
EP4124584A1
EP4124584A1 EP21187679.2A EP21187679A EP4124584A1 EP 4124584 A1 EP4124584 A1 EP 4124584A1 EP 21187679 A EP21187679 A EP 21187679A EP 4124584 A1 EP4124584 A1 EP 4124584A1
Authority
EP
European Patent Office
Prior art keywords
barrier
opening device
opening
main body
package
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21187679.2A
Other languages
English (en)
French (fr)
Inventor
Martina LINGUITI
Luca Gori
Franco Cani
Tiziano VIANI
Angelo Sorbara
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Priority to EP21187679.2A priority Critical patent/EP4124584A1/de
Publication of EP4124584A1 publication Critical patent/EP4124584A1/de
Withdrawn legal-status Critical Current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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said 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
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall

Definitions

  • the present invention relates to an opening device for a package, in particular a composite package, filled with a pourable product, in particular a pourable food product.
  • the present invention relates to a package, in particular a composite package, filled with a pourable product, in particular a pourable food product, and having an opening device.
  • liquid or pourable food products such as fruit juice, UHT (ultra-high-temperature treated) milk, wine, tomato sauce, etc.
  • UHT ultra-high-temperature treated milk
  • wine wine
  • tomato sauce etc.
  • a typical example is the parallelepiped-shaped package for pourable food products known as Tetra Brik Aseptic (registered trademark), which is made by sealing and folding a laminated strip packaging material.
  • the packaging material has a multilayer structure comprising a carton and/or paper base layer, covered on both sides with layers of heat-seal plastic material, e.g. polyethylene.
  • the packaging material also comprises a layer of oxygen-barrier material, e.g. an aluminum foil, which is superimposed on a layer of heat-seal plastic material, and is in turn covered with another layer of heat-seal plastic material forming the inner face of the package eventually contacting the food product.
  • the opening device comprises a base frame, which is glued onto the main body, and a collar aligned with the designated pour opening and extending from the main body.
  • a desire is felt in the sector to provide for an improved package for pourable products having an opening device, in particular an opening device that once applied onto the main body of the package has an increased attachment force with respect to the known opening devices.
  • an opening device according to claim 1.
  • Number 1 indicates as a whole a package, in particular a composite package, for a pourable product, in particular a pourable food product, even more particular a liquid food product, comprising:
  • package 1 in particular main body 2, may contain pourable products such as milk products (pure milk, flavored milk, etc.), yoghurt drinks, juices, wine, tomato sauce, beverages containing pulp, food products containing solid and liquid components, sugar, salt and the like.
  • milk products pure milk, flavored milk, etc.
  • yoghurt drinks juices, wine, tomato sauce, beverages containing pulp, food products containing solid and liquid components, sugar, salt and the like.
  • main body 2 may be formed from a multilayer composite packaging material.
  • the multilayer composite packaging material may comprise at least one layer of fibrous material, such as e.g. paper or cardboard, and at least two layers of heat-seal plastic material, e.g. polyethylene, interposing the layer of fibrous material in between one another.
  • fibrous material such as e.g. paper or cardboard
  • heat-seal plastic material e.g. polyethylene
  • the multilayer composite packaging material may also comprise a layer of gas- and light-barrier material, e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film, in particular being arranged between one of the layers of the heat-seal plastic material and the layer of fibrous material.
  • the multilayer composite packaging material may also comprise a further layer of heat-seal plastic material being interposed between the layer of gas- and light-barrier material and the layer of fibrous material.
  • package 1 in particular main body 2, may extend along a longitudinal axis A, a first transversal axis B and a second transversal axis C.
  • the extension of main body 2 along longitudinal axis A may be larger than the extension of main body 2 along first transversal axis B and second transversal axis C.
  • the extension along second transversal axis C may be larger than the extension of main body 2 along first transversal axis B.
  • package 1, in particular main body 2 may be parallelepiped-shaped.
  • package 1, in particular main body 2 may have a cylindrical shape or any other shape.
  • main body 2 may comprise a plurality of walls, in particular a first wall 5, one or more lateral walls 6, in the specific case shown four, and at least one second wall 7, in the specific case shown one.
  • first wall 5 may be transversal, in particular perpendicular, to longitudinal axis A, and main body 2 may extend from first wall 5 along longitudinal axis A.
  • first wall 5 may define a support surface of package 1, in particular main body 2, which is designed to be put in contact with a support, such as e.g. a shelf, in particular when, in use, being e.g. exposed within a sales point or when being stored.
  • a support such as e.g. a shelf
  • first wall 5 defines a bottom wall of package 1.
  • first wall 5 may define a bottom wall of package 1 during a normal use of package 1.
  • lateral walls 6 may be (fixedly) connected to first wall 5 and extend, in particular (substantially) parallel to longitudinal axis A, from first wall 5.
  • lateral walls 6 (substantially) define the extension of package 1 along longitudinal axis A.
  • second wall 7 may be positioned opposite to first wall 5 and may be (fixedly) connected to (at least some) lateral walls 6.
  • second wall 7 may be transversal to longitudinal axis A.
  • first wall 5 may be arranged at and/or define a first end of package 1, in particular main body 2
  • second wall 7 may be arranged at and/or define a second end of package 1, in particular main body 2, opposite to the first end.
  • lateral walls 6 may be interposed between first wall 5 and second wall 7.
  • second wall 7 may define a top wall of main body 2.
  • first wall 5 and second wall 7 may be parallel to one another.
  • first wall 5 and second wall 7 may be inclined with respect to one another.
  • second wall 7 may have two portions transversal to one another (i.e. so as to form a gable-top configuration).
  • second wall 7 may carry and/or comprise the designated pour opening.
  • main body 2 may comprise an inner surface 8 facing an inner space 9 of main body 2 and an outer surface 10 opposite to inner surface 8 and facing away from inner space 9.
  • the pourable product is filled into inner space 9 and contacts inner surface 8.
  • package 1 may also comprise a separation membrane sealing the designated pour opening.
  • the separation membrane is to be ruptured and/or opened and/or cut and/or pierced so as to allow for the outpouring of the pourable product from package 1, in particular main body 2.
  • the separation membrane separates in the area of, in particular at, the designated pour opening inner space 9 from an outer space 11.
  • the separation membrane comprises, in particular consist of, a gas- and light-barrier material, e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film.
  • a gas- and light-barrier material e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film.
  • opening device 3 comprises at least a base frame 15 for coupling opening device 3 to package 1, in particular main body 2, and about the designated pour opening.
  • base frame 15 is designed to be glued onto main body 2, in particular onto outer surface 10.
  • base frame 15 comprises:
  • base frame 15 also comprises:
  • first barrier 19 and third barrier 21 may be formed such to delimit a receiving area 22 of first surface 18, which is configured to receive the glue.
  • second barrier 20 may be configured such to avoid glue to enter into and/or arrive at opening 17.
  • first surface 18 is designed to face outer surface 10.
  • first barrier 19 and/or second barrier 20 and/or third barrier 21 are formed to contact outer surface 10 with base frame 15 being glued onto main body 2, in particular onto outer surface 10.
  • each one of first barrier 19 and/or second barrier 20 and/or third barrier 21 may comprise a respective tip portion configured to face and/or contact outer surface 10 with base frame 15 being glued onto main body 2, in particular onto outer surface 10.
  • each tip portion defines the portion of first barrier 19 or second barrier 20 or third barrier 21 having the largest distance from first surface 18.
  • first barrier 19 and of second barrier 20 may lie within a plane H, in particular plane H being (substantially) parallel to first surface 18. Additionally, also the respective tip portion of third barrier 21 may lie within plane H.
  • first barrier 19 and/or second barrier 20 has/have respective annular shapes.
  • second barrier 20 surrounds opening 17.
  • second barrier 20 and rim 16 may be integral to one another, i.e. second barrier 20 defines (at least partially) rim 16. In other words, second barrier 20 delimits opening 17.
  • second barrier 20 is arranged radially inside of first barrier 19 with respect to a central axis of opening 17.
  • base frame 15 may comprise a peripheral portion 23 and the peripheral portion of first surface 18 may follow (a contour of) peripheral portion 23.
  • third barrier 21 may comprise a first portion 27 and a second portion 28, in particular distinct and detached from one another.
  • each one of first portion 27 and second portion 28 may be arc-shaped.
  • first barrier 19 may comprise a first zone 29 and a second zone 30 distinct from one another.
  • second zone 30 is opposite to first zone 29.
  • second barrier 20 may comprise a first section 31 and a second section 32 distinct from one another.
  • second section 32 may be opposite to first section 31.
  • each one of first zone 29 and/or second zone 30 and/or first section 31 and/or second section 32 may be arc-shaped.
  • first portion 27 and second portion 28 may be connected to second barrier 20.
  • each one of first portion 27 and second portion 28 may comprise a respective first end 33 and a respective second end 34.
  • each first end 33 and each second end 34 may be connected to second barrier 20 at respectively a corresponding first position and a corresponding second position, the second position being distinct from the first position.
  • first section 31 and second section 32 may (at least partially) extend from one respective first position and one respective second position.
  • first portion 27 may be interposed between first zone 29 and first section 31 and second portion may be interposed between second zone 30 and second section 32.
  • receiving area 22 may comprise a portion extending between first portion 27 and first zone 29 and another portion extending between second portion 28 and second zone 30.
  • first barrier 19 may comprise lateral zones 35 interposed between first zone 29 and second zone 30 and second barrier 20 may comprise lateral sections 36 interposed between first section 31 and second section 32.
  • receiving area 22 may also comprise portions interposed between lateral zones 35 and lateral sections 36.
  • base frame 15 may have (substantially) a plate-like configuration.
  • base frame 15 may extend along a first axis E and a second axis F perpendicular to first axis E.
  • first surface 18 may extend along first axis E and second axis F.
  • an extension of base frame 15 along first axis E is larger than an extension of base frame 15 along second axis F.
  • a thickness (extension along a third axis perpendicular to first axis E and second axis F) of base frame 15 is (significantly) smaller than the extensions of base frame 15 along first axis E and second axis F.
  • first surface 18 may have a first extension along first axis E and a second extension along second axis F.
  • the first extension is larger than the second extension.
  • second zone 30 and second section 32 may be opposite to respectively first zone 29 and first section 31 along first axis E and/or with respect to second axis F.
  • base frame 15 may also comprise a plurality of reinforcing ribs 40, in particular (substantially) rectilinear reinforcing ribs 40, extending between second barrier 20 and third barrier 21, in particular between first section 31 and first portion 27 and between second section 32 and second portion 28.
  • each reinforcing rib 40 may be connected to both second barrier 20 and third barrier 21.
  • each reinforcing rib 40 may be connected to first portion 27 and first section 31 or second portion 28 and second section 32.
  • each reinforcing rib 40 may be transversal to second barrier 20 and third barrier 21.
  • reinforcing ribs 40 may extend from first surface 18 towards plane H without contacting or intersecting plane H.
  • opening device 3 may also comprise a collar 41 extending from base frame 15 and being aligned, in particular being coaxial with opening 17.
  • collar 41 may comprise an outlet opening 42 and a flow channel 43 for the pourable product extending from opening 17 to outlet opening 42.
  • opening 17 is arranged at a first end of collar 41 and outlet opening 42 is arranged at a second end of collar 41 opposite to the first end.
  • collar 41 is integral to base frame 15.
  • second barrier 20 may be formed so as to avoid a flow of glue into flow channel 43.
  • opening device 3 may comprise a lid 44 designed to cover and/or seal outlet opening 42.
  • lid 44 is at least moveable between a closed position in which lid 44 covers outlet opening 42 and an open position in which lid 44 frees outlet opening 42 for allowing outpouring of the pourable product.
  • lid 44 is moveable from the closed position to the open position by means of an angular movement of lid 44.
  • initially lid 44 is positioned in the closed position.
  • opening device 3 may also comprise a coupling ring arranged around collar 41 and a tethering element tethering lid 44 to the coupling ring.
  • opening device 3 may also comprise a cutter 45 moveably arranged within collar 41, in particular flow channel 43.
  • cutter 45 is configured to at least partially cut, in use, the separation membrane.
  • cutter 45 is moveable between a rest position in which cutter 45 is distanced and/or configured to be distanced from the separation membrane and an active position (see Figure 3 ) in which cutter 45 is configured to at least partially cut the separation membrane.
  • cutter 45 is initially placed in the rest position.
  • opening device 3 may also comprise an actuation assembly 46 (only partially shown) configured to actuate a movement of cutter 45 from the rest position to the active position.
  • actuation assembly 46 (only partially shown) configured to actuate a movement of cutter 45 from the rest position to the active position.
  • actuation assembly may be operatively coupled to lid 44 such that during a first-time movement of lid 44 from the closed position to the open position also movement of cutter 45 from the rest position to the active position is actuated.
  • opening device 3 may also comprise a cam mechanism 47 (only partially shown) configured to guide movement of cutter 45 from the rest position to the open position.
  • the formation of package 1 comprises the step of forming and filling main body 2 and to glue opening device 3 onto main body 2 or a blank of the multilayer composite packaging material from which main body 2 is formed and about the designated pour opening.
  • first surface 18 receives the glue, in particular the hot melt glue. Thereby, the flow of the glue is delimited by first barrier 19, second barrier 20 and third barrier 21.
  • a consumer receives package 1 with lid 44 being in the closed position and cutter 45 being in the rest position.
  • cutter 45 moves from the rest position to the active position and cuts the separation membrane so that the consumer can outpour the pourable product.
  • number 3' indicates an alternative embodiment of an opening device according to the present invention. As opening device 3' is similar to opening device 3, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts.
  • opening device 3' differs from opening device 3 in that base frame 15 further comprises a plurality of auxiliary reinforcing ribs 48, in particular (substantially) rectilinear auxiliary reinforcing ribs 40, extending between first barrier 19 and third barrier 21 and/or extending between first barrier 19 and second barrier 20.
  • a first group of auxiliary reinforcing ribs 48 may extend between and may contact first barrier 19 and third barrier 21 and a second group of auxiliary reinforcing ribs 48 may extend between and may contact first barrier 19 and second barrier 20.
  • auxiliary reinforcing ribs 48 of the first group of auxiliary reinforcing ribs 48 may extend between and may contact either first portion 27 and first zone 29 or second portion 28 and second zone 30.
  • auxiliary reinforcing ribs 48 of the second group of auxiliary reinforcing ribs 48 extend between and may contact lateral zones 35 and lateral zones 36.
  • auxiliary reinforcing ribs 48 may extend from first surface 18 towards plane H without contacting or intersecting plane H.
  • package 1 when being provided with opening device 3' is similar to the use of package 1 when being provided with opening device 3, we refer to the above-provided description.
  • opening device 3 and opening device 3' and/or package 1 will be clear from the foregoing description.
  • opening device 3 and opening device 3' allow for an increased adhesion force with respect to the known opening device.
  • first barrier 19, second barrier 20 and third barrier 21 allow on the one side to delimit the flow of the glue and on the other side to maximize the portion of first surface 18, which can effectively receive the glue, without risking contamination of opening 17 and/or the separation membrane and/or flow channel 43 and/or cutter 45, and in particular without risking any malfunction of cutter 45.
  • a further advantage resides in providing for reinforcing ribs 40 allowing an increase of the stiffness of base frame 15.
  • opening device 3 and/or opening device 3' and/or package 1 as described herein without, however, departing from the scope of protection as defined in the accompanying claims.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP21187679.2A 2021-07-26 2021-07-26 Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung Withdrawn EP4124584A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21187679.2A EP4124584A1 (de) 2021-07-26 2021-07-26 Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21187679.2A EP4124584A1 (de) 2021-07-26 2021-07-26 Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung

Publications (1)

Publication Number Publication Date
EP4124584A1 true EP4124584A1 (de) 2023-02-01

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ID=77050914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21187679.2A Withdrawn EP4124584A1 (de) 2021-07-26 2021-07-26 Öffnungsvorrichtung für eine verpackung und verpackung mit einer öffnungsvorrichtung

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1352840A1 (de) * 2002-04-12 2003-10-15 Tetra Laval Holdings & Finance Sa Versiegelte Packung für flüssige Nahrungsmittel und Verfahren zu ihrer Herstellung
US20160229582A1 (en) * 2013-10-25 2016-08-11 Terxo Ag Self-opening closure with optimized force transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1352840A1 (de) * 2002-04-12 2003-10-15 Tetra Laval Holdings & Finance Sa Versiegelte Packung für flüssige Nahrungsmittel und Verfahren zu ihrer Herstellung
US20160229582A1 (en) * 2013-10-25 2016-08-11 Terxo Ag Self-opening closure with optimized force transmission

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