EP4124585B1 - Öffnungsvorrichtung für eine verpackung sowie verpackung - Google Patents

Öffnungsvorrichtung für eine verpackung sowie verpackung

Info

Publication number
EP4124585B1
EP4124585B1 EP22183094.6A EP22183094A EP4124585B1 EP 4124585 B1 EP4124585 B1 EP 4124585B1 EP 22183094 A EP22183094 A EP 22183094A EP 4124585 B1 EP4124585 B1 EP 4124585B1
Authority
EP
European Patent Office
Prior art keywords
cutter
collar
opening device
opening
flow channel
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
EP22183094.6A
Other languages
English (en)
French (fr)
Other versions
EP4124585A1 (de
EP4124585C0 (de
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
Publication of EP4124585A1 publication Critical patent/EP4124585A1/de
Application granted granted Critical
Publication of EP4124585B1 publication Critical patent/EP4124585B1/de
Publication of EP4124585C0 publication Critical patent/EP4124585C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D5/748—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 left inside 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
    • 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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer

Definitions

  • the present invention relates to an opening device for a package, in particular for a composite package, filled with a pourable product, even more particular filled with a pourable food product.
  • the present invention also relates to a package having a main body filled with a pourable product, even more particular filled with a pourable food product, and an opening device arranged on the main body.
  • 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 tomato sauce
  • etc. are sold in packages made of composite 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. 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.
  • Some of the known packages in particular a respective sealed main body of the packages formed from the packaging material, comprises a designated pour opening, which allows the outpouring of the pourable product from the package.
  • the designated pour opening is covered by a separation membrane, which isolates an inner space of the main body from an outer environment and which is to be opened or to be removed or to be ruptured or to be cut or to be pierced prior to the first outpouring of the pourable product.
  • an opening device having a collar and a closure on the main body about the designated pour opening so as to be able control the outpouring of the pourable product out of the main body and through the collar. Therefore, the collar has a pouring outlet so as to allow for a controlled outpouring of the pourable product from the package and the closure allows to selectively close and open the pouring outlet.
  • Some of the known opening devices comprise a cutter so as to pierce and/or open and/or cut the separation membrane covering the designated pour opening in a controlled manner.
  • US5297696A discloses a container that is provided with a pour spout fitment.
  • the fitment carries a flange which secures the fitment to the container, the flange surrounding a dispensing opening in the container.
  • the pour spout is normally externally closed by a screw cap threaded thereon.
  • a frangible membrane normally spans and internally closes the dispensing opening.
  • a hollow piercing insert is positioned within the pour spout lumen, the lower edge of the insert being serrated to define cutting teeth. The screw cap is removed and the piercing element pushed downwardly to thereby rupture the frangible membrane and permit dispensing from the container.
  • the interior of the spout is provided with a plurality of axially spaced, inwardly extending ribs which cooperate with outwardly extending protrusions on the piercing insert to thus define a plurality of discrete axial locations of the piercing insert relative to the spout.
  • US2005/242113A1 discloses a self-opener closure comprising a spout having a projecting lower rim which is to be moulded or glued to a composite packaging, an associated rotary cap as well as a self-opener sleeve arranged within the spout. This self-opener sleeve can be made to rotate by the rotary cap.
  • US2016/200491A1 discloses a self-opening plastic closure having a pouring spout including a flange, a cutting member that is moveable in the spout and a screw cap for actuating the cutting member.
  • the cutting member carries out a translatory cutting motion by the rotational movement of the screw cap.
  • JPH08133324A discloses an opening device in which vertical ribs and hemispherical projections for preventing turning are provided on the inner face of a spout main body, and a holding ring is provided on the end of the spout main body on the side for attachment to a container.
  • WO2020/206215A1 discloses tethered cap and spout combinations.
  • the tethered cap and spout combinations prevent loss of the cap after opening.
  • the tethered cap and spout combinations may provide mechanisms for puncturing or opening a seal that may be present at a throat or neck of the container which provides both an anti-tampering and freshness function.
  • EP3943408A1 which is comprised in the state of the art relevant to the question of novelty, pursuant to article 54(3) EPC, discloses pouring element for a combipack, comprising a main body having a pouring tube and an encircling fastening flange, a hollow-cylindrical cutting element that is arranged concentrically and guided movably in the pouring tube, and a reclosable screw cap, wherein the cutting element is drivable by the screw cap for opening the combipack for the first time.
  • an opening device according to the independent claim 1.
  • Number 1 indicates as a whole a package, in particular a composite package, comprising:
  • Main body 2 may be obtained from a multilayer packaging material, in particular being provided in the form of a web.
  • the packaging material may comprise at least a 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.
  • One of these two layers of heat-seal plastic material may define an 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 the 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.
  • opening device(s) 3 is(are) applied to main body(ies) 2 prior, during or after the formation, filling and sealing of main body(ies) 2 by means of a molding process and/or adhesive bonding and/or ultrasonic bonding and/or welding.
  • opening device(s) 3 can be applied onto the packaging material prior to arranging the packaging material within or during advancement of the packaging material within a packaging machine for forming, filling and sealing main body(ies) 2 from the packaging material.
  • main body 2 may contain a pourable food product such as water, milk, milk-based drinks, yoghurt drinks, coffee-based drinks, fruit juice, beverages with pulp, tomato sauce, salt, sugar and the like.
  • a pourable food product such as water, milk, milk-based drinks, yoghurt drinks, coffee-based drinks, fruit juice, beverages with pulp, tomato sauce, salt, sugar and the like.
  • main body 2 may extend along a central (longitudinal) axis A.
  • package 2 may comprise a first wall 4, in particular being transversal, even more particular perpendicular, to central axis A, from which main body 2 extends along central axis A.
  • first wall 4 may define a support surface of package 2, which, in use, can be put in contact with a support, such as e.g. a shelf, when, in use, being e.g. exposed within a sales point, placed within a storage chamber, placed within a refrigerator or similar.
  • first wall 4 when being arranged on a support, first wall 4 may define a bottom wall.
  • main body 2 may also comprise a side wall 5 being (fixedly) connected to first wall 4 and extending, in particular substantially parallel to central axis A, from first wall 4.
  • main body 2 may also comprise a second wall 6 opposite to first wall 4 and being (fixedly) connected to side wall 5.
  • side wall 5 may be interposed between first wall 4 and second wall 6.
  • second wall 6 may define a top wall.
  • first wall 4 and second wall 6 may be parallel to one another.
  • first wall 4 and second wall 6 may be inclined with respect to one another.
  • second wall 6 may define a slanted-top or a gable-top.
  • second wall 6 may comprise the designated pour opening.
  • main body 2 may comprise a separation membrane covering the designated pour opening so as to isolate an inner space 7 of main body 2 from an outer environment.
  • the separation membrane is at least partially (and non-reversibly) breakable (i.e. openable and/or rupturable and/or cuttable and/or pierceable), in particular so as to allow a loss of the integrity of the separation membrane, which again allows the outpouring of the pourable product out of main body 2.
  • the separation membrane may comprise 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.
  • the separation membrane is defined by a portion of the packaging material, in particular a portion of the layers of the packaging material being different from the layer of fibrous material.
  • a portion of the layer of the gas- and light-barrier material may define the separation membrane.
  • opening device 3 comprises at least:
  • collar 15 comprises an inlet opening 18 configured to allow for an inlet of the pourable product, in particular from inner space 7, into flow channel 16 and a pouring outlet 19 configured to allow an outflow of the pourable product from flow channel 16.
  • the pourable product can flow from inner space 7 through the designated pour opening and/or inlet opening 18 into flow channel 16 and then through flow channel 16 and out of pouring outlet 19.
  • flow channel 16 may extend between inlet opening 18 and pouring outlet 19.
  • collar 15 comprises an inner surface 20 facing the flow channel 16, and in particular may also comprise an outer surface 21 opposite to inner surface 20 (i.e. facing away from flow channel 16).
  • collar 15 and/or flow channel 16 may extend along a central axis B.
  • collar 15 may have an annular cross-section profile with respect to a cross-sectional plane being perpendicular to central axis B.
  • collar 15 and/or inlet opening 18 and/or pouring outlet 19 may have a (substantially) circular cross-sectional profile, in particular with respect to a cross-sectional plane perpendicular to central axis B.
  • Cutter 17 is at least partially arranged, in particular moveably arranged, within flow channel 16.
  • cutter 17 may comprise at least a cutting section 22 configured to break the separation membrane.
  • cutting section 22 may comprise, in particular consist of, a (curved) saw blade.
  • cutter 17 is arrangeable in a rest position in which cutter 17 is detached from the separation membrane (so as to guarantee integrity of the separation membrane) and an active position in which cutter 17, in particular cutting section 22, is configured to break the separation membrane.
  • cutter 17 may be arranged in the rest position and the separation membrane is intact.
  • Cutter 17 may be arranged at a first axial position and a second axial position with respect to central axis B when being in respectively the rest position and the active position.
  • cutter 17, when being in the rest position and/or the first axial position, may be (substantially) fully arranged within flow channel 16.
  • Cutter 17, when being in the active position and/or the second axial position, may at least partially extend out of flow channel 16 and through inlet opening 18.
  • at least cutting section 22 may extend out of flow channel 16 and through inlet opening 18.
  • cutter 17, when being in the rest position, may be closer to pouring outlet 19 than when being in the active position.
  • cutter 17 is coaxially arranged within collar 15 and/or flow channel 16.
  • cutter 17 may be configured to at least translate along central axis B when, in use, moving between the rest position and the active position.
  • cutter 17 may be configured to translate along and rotate about central axis B when, in use, moving between the rest position and the active position.
  • cutter 17 may comprise a ring-shaped main portion 23 (i.e. having a cross-section with respect to central axis B with an annular shape) comprising and/or carrying cutting section 22.
  • Cutter 17, in particular main portion 23, may comprise an outer surface 24 facing inner surface 20, in particular at least with cutter 17 being in the rest position.
  • Opening device 3 comprises an actuation device 25 configured to actuate and guide movement of the cutter 17 from the rest position to the active position.
  • Opening device 3 further comprises a retaining device 30 configured to block movement of cutter 17 out of flow channel 16 and through pouring outlet 19.
  • retaining device 30 guarantees that cutter 17 cannot (accidently) exit flow channel 16 through pouring outlet 19.
  • retaining device 30 comprises:
  • retaining element 31 and interaction element 32 are configured to interact with one another so as to block movement of cutter 17 out of flow channel 16 and through pouring outlet 19.
  • retaining element 31 may be integral to collar 15 and/or interaction element 32 may be integral to cutter 17. Even more preferentially, retaining element 31 and collar 15 may be molded in a single piece and/or cutter and interaction element 32 may be molded in a single piece.
  • retaining element 31 and/or interaction element 32 may be interposed between outer surface 24 and inner surface 20.
  • interaction element 32 may be interposed between retaining element 31 and inlet opening 18 and/or retaining element 31 may be interposed between interaction element 32 and pouring outlet 19.
  • interaction element 32 and retaining element 31 may be configured to interact with one another such that cutter 17 can unintentionally move, if at all, along a second direction D2 opposite to first direction D1 only to a certain degree (to a limit axial position) and to guarantee that cutter 17 cannot exit through pouring outlet 19.
  • interaction element 32 and retaining element 31 may be configured to interact with one another with cutter 17 being positioned in and/or moved to a limit axial position with respect to central axis B.
  • cutter 17 may be in the rest position or in a position in which cutter 17 is closer to pouring outlet 19 than when being in the rest position.
  • the limit axial position may define the axial position of cutter 17 at which cutter 17 is closer to pouring outlet 19 than in any other axial position.
  • retaining element 31 is configured such to define and/or delimit the limit axial position, even more particular as the interaction between interaction element 32 and retaining element 31 guarantees that cutter 17 cannot further move into second direction D2 once cutter 17 has reached the limit axial position.
  • cutter 17 when being in the limit axial position may have the maximum possible distance from inlet opening 18.
  • interaction element 32 and retaining element 31 may interact with one another with cutter 17 being in the limit axial position. In other words, once cutter 17 has reached the limit axial position, a possible movement of cutter 17 along second direction D2 is blocked by the interaction between interaction element 32 and retaining element 31.
  • retaining element 31 may comprise an abutment surface 33, in particular facing inlet opening 18, and interaction element 32 may have an engagement surface 34, in particular facing pouring outlet 19.
  • engagement surface 34 may be configured to abut against abutment surface 33, in particular in the limit axial position, so as to block the movement of cutter 17 out of flow channel 16 and through pouring outlet 19.
  • retaining element 31 may comprise a curved transition surface 35 facing pouring outlet 19 and being configured to allow for insertion of cutter 17 into flow channel 16 during assembly of opening device 3.
  • curved transition surface 35 one guarantees that a force acting between retaining element 31, in particular curved transition surface 35, and cutter 17 can be (easily) overcome.
  • retaining element 31 comprises or is a continuous ring.
  • engagement surface 33 may have a continuous ring shape.
  • interaction element 32 may comprise a single portion.
  • engagement surface 34 may comprise a single engagement surface 34.
  • interaction element 32 may comprise a plurality of distinct, and in particular separated, portions.
  • engagement surface 34 may comprise a plurality of distinct, and in particular also separated, surface portions.
  • opening device 3 also comprises:
  • base frame 40 may comprise at least a first wall portion 42 having a passage aligned, in particular coaxial, with collar 15, in particular inlet opening 18.
  • First wall portion 42 may be configured to be fitted and/or being fitted on main body 2, in particular second wall 6, and about the designated pour opening and may carry collar 15.
  • base frame 40 may also comprise a second wall portion 43 fixed to first wall portion 42 and configured to be and/or fitted onto side wall 5.
  • opening device 3 also comprises:
  • closure 41 may be controllable in at least:
  • closure 41 may be rotatably coupled (about central axis B) to collar 15 when being in the closing position.
  • opening device 3 may comprise an interaction device 45 (only partially shown) partially associated to (and/or connect to and/or carried by) collar 15 and partially associated to (and/or connect to and/or carried by) closure 41 and being configured such that a rotation of closure 41 about central axis B may move closure 41 from the closing position into and/or towards the opening position.
  • interaction device 45 (only partially shown) partially associated to (and/or connect to and/or carried by) collar 15 and partially associated to (and/or connect to and/or carried by) closure 41 and being configured such that a rotation of closure 41 about central axis B may move closure 41 from the closing position into and/or towards the opening position.
  • Opening device 3 may further comprise a tooth protrusion 48, associated to collar 15, and configured to cooperate with interaction device 45 to move closure 41 from the closing position into the opening position, upon rotation of closure 41.
  • closure 41 comprises an interaction protrusion (not shown), configured to slide between the interaction device 45 and the tooth protrusion 48 upon rotation of closure 41.
  • the tooth protrusion 48 and the interaction device 45 provide a guidance for the interaction protrusion, so to move closure 41 from the closing position to the opening position.
  • Actuation device 25 comprises first interaction members (not shown), in particular flaps, connected to closure 41, and second interaction members 46 connected to, in particular integrally connected to, cutter 17, in particular main portion 23.
  • actuation device 25 may also comprise a cam mechanism connected to collar 15 and/or cutter 17 and configured to guide movement of cutter 17 from the rest position to the active position.
  • first interaction members and second interaction members are configured to interact with one another for actuating movement of cutter 17 from the rest position to the active position.
  • a rotation of the first interaction members about central axis B may be actuated for moving cutter 17, in particular by means of a rototranslatory movement, from the rest position to the active position.
  • outpouring of the pourable product from package 1, in particular main body 2 requires to open pouring outlet 19 and to break the separation membrane.
  • the separation membrane is broken by moving the cutter 17 from the rest position to the active position. This is achieved by the first interaction members rotating about central axis B.
  • number 15' indicates the collar of an opening device 3 according to an alternative embodiment of an opening device being not part the present invention; as collar 15' is similar to collar 15, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts.
  • collar 15' differs from collar 15 in comprising retaining element 31'.
  • Retaining element 31' is similar to retaining element 31 and therefore we limit the description of retaining element 31' to the differences with retaining element 31.
  • retaining element 31' comprises two or more ring portions 47. Even more particular, ring portions 47 may be detached from one another, i.e. ring portions 47 do not contact one another.
  • ring portions 47 may be angularly displaced from one another about central axis B.
  • ring portions 47 may have different dimensions and/or extensions. In the specific case, one can identify two groups of ring portions 47 being alternatingly arranged about central axis B.
  • all ring portions 47 could have the same dimensions or all ring portions 47 may have different dimensions or some ring portions 47 may have different dimensions.
  • each ring portion 47 may comprise a respective portion of abutment surface 33 and/or a respective portions of transition surface 35.
  • Base frame 40 of the specific embodiment of Figure 5 comprises first wall portion 42, but not second wall portion 43.
  • collar 15' could be part of an opening device 3 that comprises a base frame 40 having both first wall portion 42 and second wall portion 43.
  • retaining element 31 or retaining element 31' may be easily combined with respectively collar 15 and collar 15'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Bag Frames (AREA)

Claims (9)

  1. Öffnungsvorrichtung (3) für eine Verpackung (1), insbesondere eine Verbundverpackung, die eine festgelegte Gießöffnung aufweist, die mit einer Trennmembran bedeckt ist, und mit einem gießfähigen Produkt gefüllt ist;
    wobei die Öffnungsvorrichtung (3) zumindest Folgendes umfasst:
    - eine Manschette (15), die einen Strömungskanal (16) begrenzt, der sich zwischen einer Einlassöffnung (18) der Manschette (15), die dazu ausgelegt ist, den Einlass des gießfähigen Produkts in den Strömungskanal (16) zu ermöglichen, und einem Gießauslass (19) der Manschette (15), der dazu ausgelegt ist, ein Ausströmen des gießfähigen Produkts aus dem Strömungskanal (16) zu ermöglichen, erstreckt; und
    - eine Schneidvorrichtung (17), die dazu ausgelegt ist, die Trennmembran aufzubrechen, und zumindest teilweise in dem Strömungskanal (16) angeordnet ist;
    wobei die Manschette (15) eine dem Strömungskanal (16) zugewandte Innenfläche (20) umfasst;
    wobei die Öffnungsvorrichtung ferner Folgendes umfasst:
    - einen Grundrahmen (40), der dazu ausgelegt ist, am Hauptkörper (2) der Verpackung (1) und um die festgelegte Gießöffnung angebracht zu sein, und die Manschette (15) trägt; und
    - einen Verschluss (41), der dazu ausgelegt ist, den Gießauslass (19) selektiv zu öffnen und zu schließen;
    wobei die Schneidvorrichtung (17) in einer Ruheposition, in der die Schneidvorrichtung (17) von der Trennmembran gelöst ist, und einer aktiven Position, in der die Schneidvorrichtung (17) dazu ausgelegt ist, die Trennmembran aufzubrechen, anordenbar ist;
    wobei die Öffnungsvorrichtung ferner eine Betätigungsvorrichtung (25) umfasst, die dazu ausgelegt ist, eine Bewegung der Schneidvorrichtung (17) von der Ruheposition in die aktive Position zu betätigen;
    wobei die Betätigungsvorrichtung (25) erste Interaktionsglieder, die mit dem Verschluss (41) verbunden sind, und zweite Interaktionsglieder (46), die mit der Schneidvorrichtung (17) verbunden sind, umfasst; wobei eine Drehung der ersten Interaktionsglieder um eine Mittelachse (B) der Manschette (15) betätigt werden kann, um die Schneidvorrichtung (17) von der Ruheposition in die aktive Position zu bewegen;
    wobei die Öffnungsvorrichtung zudem Folgendes umfasst:
    - einen Kopplungsring (44), der insbesondere derart um die Manschette (15) drehbar angeordnet ist, dass der Kopplungsring (44) von der Manschette (15) nicht trennbar ist; und
    - ein Verbindungselement, insbesondere ein Anbindeelement, das mit dem Kopplungsring (44) und dem Verschluss (41) verbunden, insbesondere brechsicher verbunden ist;
    wobei die Öffnungsvorrichtung (3) ferner eine Rückhaltevorrichtung (30) umfasst, die dazu ausgelegt ist, eine Bewegung der Schneidvorrichtung (17) aus dem Strömungskanal (16) heraus und durch den Gießauslass (19) zu blockieren;
    wobei die Rückhaltevorrichtung (30) ein Rückhalteelement (31), das von der Innenfläche (20) der Manschette (15) vorsteht, und ein mit der Schneidvorrichtung (17) verbundenes Interaktionselement (32) umfasst;
    wobei das Rückhalteelement (31) und das Interaktionselement (32) dazu ausgelegt sind, miteinander zusammenzuwirken, um eine Bewegung der Schneidvorrichtung (17) aus dem Strömungskanal (16) heraus und durch den Gießauslass (19) zu blockieren; dadurch gekennzeichnet, dass:
    das Rückhalteelement (31) einen durchgehenden Ring umfasst oder ein solcher ist.
  2. Öffnungsvorrichtung nach Anspruch 1,
    wobei das Interaktionselement (32) und das Rückhalteelement (31) dazu ausgelegt sind, miteinander zusammenzuwirken, wobei die Schneidvorrichtung (17) in einer axialen Begrenzungsposition in Bezug auf die Mittelachse (B) positioniert ist und/oder in diese bewegt wird.
  3. Öffnungsvorrichtung nach Anspruch 1 oder 2, wobei das Rückhalteelement (31) eine Anlagefläche (33) umfasst, die der Einlassöffnung (18) zugewandt ist, und das Interaktionselement (32) eine Eingriffsfläche (34) aufweist; wobei die Eingriffsfläche (34) dazu ausgelegt ist, an der Anlagefläche (33) anzuliegen, um die Bewegung der Schneidvorrichtung (17) aus dem Strömungskanal (16) heraus und durch den Gießauslass (19) zu blockieren.
  4. Öffnungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die Schneidvorrichtung (17) einen Hauptabschnitt (23) umfasst, der einen Schneidabschnitt (22) der Schneidvorrichtung (17) trägt und einen Querschnitt mit einer ringförmigen Form aufweist;
    wobei das Interaktionselement (32) von einer Außenfläche (24) des Hauptabschnitts (23) vorsteht, die der Innenfläche (20) der Manschette (15) zugewandt ist.
  5. Öffnungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Rückhalteelement (31) mit der Manschette (15) integral verbunden ist und/oder das Interaktionselement (32) mit der Schneidvorrichtung (17) integral verbunden ist.
  6. Öffnungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Rückhalteelement (31) eine Übergangsfläche (35) umfasst, die dem Gießauslass (19) zugewandt und dazu ausgelegt ist, ein Einführen der Schneidvorrichtung (17) in den Strömungskanal (16) während einer Montage der Öffnungsvorrichtung (3) zu ermöglichen.
  7. Öffnungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Interaktionselement (32) zwischen dem Rückhalteelement (31) und der Einlassöffnung (18) angeordnet ist und/oder das Rückhalteelement (31) zwischen dem Gießauslass (19) und dem Interaktionselement (32) angeordnet ist.
  8. Verpackung (1), die Folgendes umfasst:
    - einen Hauptkörper (2), der mit einem gießfähigen Produkt gefüllt ist und eine festgelegte Gießöffnung aufweist, die mit einer Trennmembran bedeckt ist; und
    - eine Öffnungsvorrichtung (3) nach einem der vorhergehenden Ansprüche, die um die festgelegte Gießöffnung angebracht ist.
  9. Verpackung nach Anspruch 8, wobei der Hauptkörper (2) aus einem mehrschichtigen Verpackungsmaterial gebildet ist.
EP22183094.6A 2021-07-29 2022-07-05 Öffnungsvorrichtung für eine verpackung sowie verpackung Active EP4124585B1 (de)

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US20240217698A1 (en) 2024-07-04
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JP2024525956A (ja) 2024-07-12
EP4124585C0 (de) 2025-10-29
WO2023006358A1 (en) 2023-02-02
MX2023013544A (es) 2023-11-29
CN117242011A (zh) 2023-12-15

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