EP4159632A1 - Dispositif d'ouverture pour un emballage, moule pour mouler un dispositif d'ouverture pour un emballage et emballage doté d'un dispositif d'ouverture - Google Patents

Dispositif d'ouverture pour un emballage, moule pour mouler un dispositif d'ouverture pour un emballage et emballage doté d'un dispositif d'ouverture Download PDF

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Publication number
EP4159632A1
EP4159632A1 EP22196511.4A EP22196511A EP4159632A1 EP 4159632 A1 EP4159632 A1 EP 4159632A1 EP 22196511 A EP22196511 A EP 22196511A EP 4159632 A1 EP4159632 A1 EP 4159632A1
Authority
EP
European Patent Office
Prior art keywords
opening device
ridge elements
collar
package
main body
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Withdrawn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
EP22196511.4A
Other languages
German (de)
English (en)
Inventor
Paolo Zanon
Pietro Martini
Anna Rosa VIETRI
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
Publication of EP4159632A1 publication Critical patent/EP4159632A1/fr
Withdrawn legal-status Critical Current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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/103—Membranes with a tearing element
    • 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
    • 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
    • B65D5/749—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being removed from the container after the opening
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/228—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being removed from the container after the opening
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0087—Lower closure of the 47-type

Definitions

  • the present invention relates to an opening device for a package, in particular a package having a main body, filled with a pourable product, even more particular filled with a pourable food product.
  • the present invention also relates to a mold for molding an opening device for a package, in particular a package having a main body, filled with a pourable product, even more particular filled with a pourable food product.
  • the present invention also relates to a package, in particular a package having a main body, filled with a pourable product, even more particular filled with a pourable food product, and comprising an opening device.
  • liquid or pourable food products such as fruit juice, milk, milk-based drinks, drinking yoghurt, wine, tomato sauce, salt, sugar etc.
  • packages in particular sealed packages, made of a sterilized packaging material.
  • 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. layers of 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.
  • such a type of package comprises a main body formed from a multilayer packaging material and has a designated pour opening, which allows the outpouring of the pourable product from the package.
  • the package can comprise an opening device coupled to the main body and arranged about the designated pour opening. The opening device is designed to seal the package prior to a first opening of the opening device and to allow for a controlled outpouring.
  • a typical opening device comprises a base frame coupling the opening device to the main body and about the designated pour opening, a collar extending from the base frame and delimiting a flow channel and having a pouring outlet and a closure group configured to selectively open and close the pouring outlet.
  • the base frame comprises a first frame and a second frame spaced apart from one another and configured to contact the main body from respectively an outer face and an inner face.
  • the base frame and the collar are molded onto the packaging material forming the main body.
  • the mold In order to control the position of the packaging material, the mold relies on elements pressing on the packaging material. This leads to the presence of voids within the first frame. These voids define, in the base frame of the opening device, radially extending ridge elements, which are connected to one another by an outer peripheral and annular structure.
  • the closure group is coupled to the collar.
  • an opening device according to the independent claim.
  • Number 1 indicates as a whole a package (only partially shown to the extent necessary for the comprehension of the present invention) comprising:
  • the pourable product may be milk, tomato sauce, milk-based drinks, drinking yoghurt, water, sugar, salt, juices, emulsions, and the like.
  • the packaging material may comprise at least a layer of fibrous material, such as e.g. a paper or cardboard layer, and at least two layers of heat-seal plastic material, e.g. polyethylene layers, interposing the layer of fibrous material in between one another.
  • a layer of fibrous material such as e.g. a paper or cardboard layer
  • heat-seal plastic material e.g. polyethylene layers
  • One of these two layers of heat-seal plastic material may define the inner face of main body 2 contacting the pourable product.
  • the 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 heat-seal plastic material and the layer of fibrous material.
  • the 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.
  • each package 1, in particular the respective main body 2 may be obtained from a respective blank of the multilayer packaging material.
  • the blank may define a precursor of the respective package 1, in particular the respective main body 2.
  • the respective blank may comprise the respective designated pour opening, which in particular may be covered by a separation membrane.
  • the separation membrane may be formed from a gas-barrier material, in particular the separation membrane may be defined by a portion of the layer of the gas- and light-barrier material.
  • the multilayer packaging material may be provided in the form of a web, thereby the blanks may be successively arranged with respect to one another.
  • the web is formed into a tube, longitudinally sealed, filled with the pourable product and transversally sealed and cut in correspondence with the extensions of the blanks.
  • each opening device 3 may be applied, in particular molded, to the respective main body 2 or onto the respective packaging blank.
  • each opening device 3 may be molded onto the respective packaging blank and about the designated pour opening.
  • a first portion of opening device 3 may be molded onto the respective packaging blank and a second portion may be applied onto the first portion after molding of the first portion.
  • opening device 3 may be molded by means of a respective mold.
  • main body 2 may extend along a longitudinal axis A, a first transversal axis B perpendicular to longitudinal axis A and a second transversal axis C perpendicular to first transversal axis B and longitudinal axis A.
  • the extension of package 2 along longitudinal axis A may be larger than the extension of package 2 along first transversal axis B and second transversal axis C.
  • main body 2 may be parallelepiped-shaped.
  • main body 2 may comprise a first wall (not shown and known as such), in particular being transversal, even more particular perpendicular, to longitudinal axis A, from which main body 2 may extend along longitudinal axis A.
  • the first wall may define a support surface of package 1, in particular main body 2, which may be designed to be put in contact with a support, such as e.g. a shelf, when, in use, being e.g. exposed within a sales point or when being stored.
  • a support such as e.g. a shelf
  • the first wall when being arranged on the support the first wall may define a bottom wall.
  • main body 2 may also comprise a side wall 4 being (fixedly) connected to the first wall and extending, in particular substantially parallel, along longitudinal axis A, from the first wall.
  • side wall 4 being (fixedly) connected to the first wall and extending, in particular substantially parallel, along longitudinal axis A, from the first wall.
  • main body 2 may also comprise a second wall 5 opposite to the first wall and being (fixedly) connected to side wall 4.
  • side wall 4 may be interposed between the first wall and second wall 5.
  • second wall 5 may define a top wall.
  • first wall and second wall 5 may be parallel to one another.
  • first wall and second wall 5 may be inclined with respect to one another.
  • second wall 5 may define a slanted top or may define a portion of a gable-top.
  • second wall 5 may carry and/or comprise the designated pour opening.
  • package 1, in particular main body 2 may comprise an inner space configured to contain and/or containing the pourable product.
  • first wall, side wall 4 and second wall 5 may delimit the inner space.
  • main body 2 in particular the packaging material from which main body 2 is formed, comprises an outer face 6 and an inner face opposite to outer face 6.
  • outer face 6 faces away from the inner face and/or is arranged in an external space 7.
  • opening device 3 may comprise:
  • flow channel 10 may extend between a pouring outlet 12 (of collar 9) configured to allow for the outpouring of the pourable product and an inlet (of collar 9) configured to allow for the introduction of the pourable product into flow channel 10, in particular from the inner space of package 1, in particular main body 2, into flow channel 10.
  • collar 9 may be integrally connected to base frame 8.
  • collar 9 and base frame 8 may be made in a single piece.
  • collar 9 may extend along a central axis E and pouring outlet 12 and the inlet may be arranged at respective axial ends of collar 9.
  • collar 9 may comprise an inner wall 13 facing and/or delimiting flow channel 10 and an external surface 14 opposite to inner wall 13.
  • Closure group 11 may be configured to selectively open and close pouring outlet 12.
  • opening device 3 may also comprise a closing element 15 arranged and/or being arrangeable within flow channel 10 and configured to close and/or cover, and, in particular at least prior to a first movement of closing element 15 away from collar 9 and/or flow channel 10, to seal, the designated pour opening.
  • a closing element 15 arranged and/or being arrangeable within flow channel 10 and configured to close and/or cover, and, in particular at least prior to a first movement of closing element 15 away from collar 9 and/or flow channel 10, to seal, the designated pour opening.
  • closing element 15 may be coaxially positioned with respect to collar 9.
  • a central axis F of closing element 15 may be coaxial to central axis E.
  • base frame 8, collar 9 and closing element 15 may be realized in a single piece.
  • closure group 11 may comprise a coupling ring 20 arranged about collar 9 and a closure element 21 coupled to coupling ring 20 and configured to selectively open and close pouring outlet 12.
  • closure element 21 may be movable between:
  • closure group 11 may be reversibly movable between the closing position and the opening position.
  • closure element 21 may be hinged to coupling ring 20. Moreover, closure element 21 may be angularly movable about a hinge axis and between the closing position and the opening position.
  • coupling ring 20 may comprise an inner surface facing collar 9, in particular external surface 14, and an outer surface 22 opposite to the inner surface.
  • outer surface 22 may face away from external surface 14.
  • base frame 9 may comprise a first frame 23 configured to face and/or facing outer face 6.
  • first frame 23 may contact and/or be fused and/or bonded and/or welded and/or molded to outer face 6.
  • base frame 9 may also comprise a second frame 24 spaced apart from first frame 23 and configured to contact and/or contacting the inner face of main body 2.
  • second frame 24 may be fused and/or bonded and/or molded and/or welded to the inner face of main body 2.
  • first frame 23 may comprise a plurality of ridge elements 25 radially protruding away from collar 9.
  • first ridge elements 25 define first ridge elements 30, which have a respective radial extension such that coupling ring 20 fully covers the first ridge elements 30 (see Figure 1 ).
  • first ridge elements 30 are not visible to a user as being fully covered by coupling ring 20.
  • the radial extension of first ridge elements 30 is such that first ridge elements 30 may be fully covered by coupling ring 20.
  • all ridge elements 25 are first ridge elements 30.
  • the ridge elements can be divided into first ridge elements 30 and second ridge elements. While first ridge elements 30 may have a respective radial extension such that coupling ring 20 covers first ridge elements 30, the second ridge elements may have a larger radial extension such that the second ridge elements may not be covered by coupling ring 20.
  • a ratio between the number of first ridge elements 30 and the total number of ridge elements 25 is at least 0,6, even more preferentially at least 0,7.
  • the ratio is 1; i.e. the number of first ridge elements 30 and the total number of ridge elements 25 equal one another. In even other words, all ridge elements 25 correspond to first ridge elements 30.
  • each ridge element 25 may extend between a first (external) end 26 and a second (internal) end (not shown).
  • each first end 26 may be spaced apart and/or distant from collar 9 and/or each second end may be adjacent to collar 9.
  • each second end may contact collar 9, in particular external surface 14.
  • ridge elements 25 may be angularly arranged about central axis F.
  • each first end 26 is a free end.
  • first ends 26 are not connected between one another by e.g. ribs extending between neighboring first ends 26.
  • an orthogonal projection of coupling ring 20 along a center axis G of coupling ring 20, in particular coaxial to central axis E, onto first frame 23 may describe an imaginary contour 27.
  • first ridge elements 30 lie within imaginary contour 27.
  • first ridge elements 30 do not radially extend beyond imaginary contour 27.
  • each first end 26 of each first ridge element 30 is confined within a (circular) area delimited by imaginary contour 27.
  • a center of the (circular) area may correspond to a center of collar 9.
  • imaginary contour 27 may be described by an imaginary outer annular curve 28 and an imaginary inner annular curve 29.
  • imaginary outer annular curve 28 and an imaginary inner annular curve 29, each have a respective circular shape and have respectively a first radius and a second radius, while the first radius is larger than the second radius.
  • imaginary outer annular curve 28 and imaginary inner annular curve 29 can be associated to respectively the radial extension of outer surface 22 and the inner surface.
  • imaginary outer annular curve 28 and imaginary inner annular curve 29 can be associated to a cross-section profile of coupling ring 20 with respect to a cross-section plane being perpendicular to center axis G.
  • the cross-section profile may comprise an outer annular curve originating from the intersection of the cross-section plane with outer surface 22.
  • the outer annular curve has a circular shape and is described by an outer radius, in particular being equal to the first radius.
  • coupling ring 20 may also comprise an inner annular curve originating from the intersection of the cross-section plane with the inner surface.
  • the inner annular curve has a circular shape and is described by an inner radius, in particular being equal to the second radius.
  • the outer radius is larger than the inner radius.
  • each first ridge element 30 is equal or smaller than the outer radius and/or the first radius, even more preferentially equal or smaller than the inner radius and/or the second radius.
  • respective distances of the respective first ends 26 of first ridge elements 30 from the center of collar 9 are smaller than or equal to the outer radius and/or the first radius, even more particular smaller than or equal to the inner radius and/or the second radius.
  • closing element 15 and closure group 11 may be connected, in particular fixed, to one another such that any movement of closure group 11 results in a concurrent movement of closing element 15.
  • closing element 15 and closure group 11 may be connected to one another by means of fusing and/or welding and/or bonding and/or molding.
  • closing element 15 may comprise a main wall 35 being detachably and/or rupturably fixed to collar 9 along a contact portion (of inner wall 13) of collar 9.
  • Main wall 35 may be configured to (rupturably) detach from the contact portion so as to free and/or open the designated pour opening for allowing the outpouring of the pourable product.
  • main wall 35 may be configured to seal the designated pour opening and the inner space, in particular in cooperation with collar 9. Afterwards, it may be possible to place main wall 35 such that main wall 35 may close the designated pour opening, but may not seal the designated pour opening and the inner space anymore.
  • main wall 35 may be controllable between an active position in which main wall 35 is configured to cover and/or close the designated pour opening and an inactive position in which main wall 35 frees and/or opens the designated pour opening.
  • main wall 35 may be arranged within flow channel 10 and/or may be interposed between pouring outlet 12 and base frame 8 when being in the active position.
  • closing element 15 may also comprise a coupling structure 36 extending from main wall 35 and configured to connect and/or connecting closing element 15 to closure group 11, in particular closure element 21.
  • coupling structure 36 may be connected, in particular welded and/or bonded and/or fused, to closure group 11, in particular closure element 21.
  • closing element 15 may be connected, in particular fused and/or welded and/or bonded, to closing element 21, in particular by means of coupling structure 36, such that movement of closing element 21 between the closing position and the opening position may result in movement of main wall 35 between respectively the active position and the inactive position.
  • base frame 8, collar 9 and closing element 15 may be integrally formed, in particular in a single piece.
  • base frame 8, collar 9 and closing element 15 may be formed during a molding process, in particular during molding of opening device 3 onto the respective packaging blank.
  • closure group 11 may be coupled to collar 9 after formation of base frame 8, collar 9 and closing element 15.
  • base frame 8, collar 9 and closing element 15 may define the first portion of opening device 3 and closure group 11 may define the second portion of opening device 3.
  • closure group 11 is applied to collar 9 after molding of base frame 8, collar 9 and closing element 15, in particular about the designated pour opening.
  • the molding of the first portion onto main body 2 or the blank defining the precursor of main body 2 relies on the use of a respective mold.
  • a user receives package 1 with closure group 11 and closing element 15 being respectively in the closing position and the active position so as to respectively cover pouring outlet 12 and the designated pour opening.
  • closing element 15 Prior to the first control of closure element 21 from the closing position to the opening position and of closing element 15 from the active position to the inactive position, closing element 15 is fixed to the contact portion.
  • the user in order to access the pourable product, needs to control closure element 21 from the closing position to the opening position leading to a movement of main wall 35 from the active position to the inactive position and a rupturing of main wall 35 from the contact portion. This then allows the pourable product to flow from the inner space through flow channel 10 and out of pouring outlet 12.
  • main wall 35 covers the designated pour opening.
  • 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 the respective first frame 23 comprises radially extending first ridge elements 30 and radially extending second ridge elements 37. In other words, some of ridge elements 25 of opening device 3' define second ridge elements 37.
  • second ridge elements 37 have respective radial extensions such that coupling ring 20 does not fully cover them. In other words, portions of second ridge elements 37 are visible to a user.
  • opening device 3' comprises at least two types of ridge elements.
  • connection ribs 39 transversal to second ridge elements 37.
  • first ridge elements 30 may be arranged about central axis F within a first angular limit and a second angular limit and second ridge elements 37 may be arranged about central axis F within second angular limit and first angular limit.
  • opening device 3 and/or opening device 3' and/or of package 1 will be clear from the foregoing description.
  • opening device 3 and opening device 3' come along with excellent aesthetics.
  • closure group 11 onto collar 9 it is possible to approach coupling ring 20 at least partially closer to first frame 23.
  • closure group 11 is arranged on collar 9 and then a force is applied onto closure group 11 such that closure group 11 moves towards base frame 8.
  • the maximum stroke of the movement is limited by the uppermost parts of base frame 8 with which coupling ring 20 may interact. Due to the limited extension of first ridge elements 30, coupling ring 20 can get closer to portions of base frame 8, which lie on a lower plane compared to the plane defined by first ridge elements 30, so improving engagement closure group 11 onto collar 9.
  • 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)
  • Cartons (AREA)
EP22196511.4A 2021-09-30 2022-09-20 Dispositif d'ouverture pour un emballage, moule pour mouler un dispositif d'ouverture pour un emballage et emballage doté d'un dispositif d'ouverture Withdrawn EP4159632A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21200034 2021-09-30

Publications (1)

Publication Number Publication Date
EP4159632A1 true EP4159632A1 (fr) 2023-04-05

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EP22196511.4A Withdrawn EP4159632A1 (fr) 2021-09-30 2022-09-20 Dispositif d'ouverture pour un emballage, moule pour mouler un dispositif d'ouverture pour un emballage et emballage doté d'un dispositif d'ouverture

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EP (1) EP4159632A1 (fr)
WO (1) WO2023052186A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803653A1 (fr) * 2005-12-27 2007-07-04 Tetra Laval Holdings & Finance SA Bec verseur pour des dispositifs d'ouverture d'emballages hermétiques contenant des produits alimentaires fluides
EP3715276A1 (fr) * 2019-03-26 2020-09-30 Tetra Laval Holdings & Finance S.A. Dispositif d'ouverture pour un emballage pour produits coulants

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2343131T3 (es) * 2006-01-27 2010-07-23 TETRA LAVAL HOLDINGS & FINANCE SA Unidad y metodo para moldear dispositivos de apertura para su aplicacion a envases de productos alimenticios vertibles.
ES2726280T3 (es) * 2016-03-04 2019-10-03 Tetra Laval Holdings & Finance Un elemento promotor de soldadura para un cierre de un dispositivo de apertura

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803653A1 (fr) * 2005-12-27 2007-07-04 Tetra Laval Holdings & Finance SA Bec verseur pour des dispositifs d'ouverture d'emballages hermétiques contenant des produits alimentaires fluides
EP3715276A1 (fr) * 2019-03-26 2020-09-30 Tetra Laval Holdings & Finance S.A. Dispositif d'ouverture pour un emballage pour produits coulants

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