EP2172405A1 - Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension - Google Patents

Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension Download PDF

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Publication number
EP2172405A1
EP2172405A1 EP08305630A EP08305630A EP2172405A1 EP 2172405 A1 EP2172405 A1 EP 2172405A1 EP 08305630 A EP08305630 A EP 08305630A EP 08305630 A EP08305630 A EP 08305630A EP 2172405 A1 EP2172405 A1 EP 2172405A1
Authority
EP
European Patent Office
Prior art keywords
tab
foil
deformation
closing membrane
curved
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Withdrawn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
EP08305630A
Other languages
German (de)
English (en)
Inventor
Guy Jacques Ducrot
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.)
Trivium Packaging Group Netherlands BV
Original Assignee
Impress Group BV
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 Impress Group BV filed Critical Impress Group BV
Priority to EP08305630A priority Critical patent/EP2172405A1/fr
Publication of EP2172405A1 publication Critical patent/EP2172405A1/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Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2004—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting
    • B65D77/202—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting the cover being connected to the container by separate circumferential ring elements
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure

Definitions

  • the present invention relates to the field of the packages or containers sealed and closed by a membrane of "peelable” type, i.e. an organ comprising a peelable foil, equipped with at least a gripping tab.
  • a membrane of "peelable” type i.e. an organ comprising a peelable foil, equipped with at least a gripping tab.
  • This kind of container is typically used for conditioning foodstuffs, but it can also be used for conditioning some other industrial products, such as paints for example.
  • the peelable containers for example described in document EP-1 878 666 , comprise a body, generally made of metal material, on the upper edge of which a sealing membrane is fastened, advantageously directly or indirectly via a lid ring provided by a seaming operation.
  • the sealing lids consist generally in a metal ring having - an outer annular part intended to be seamed with the upper edge of the container body, and - an inner annular part having a flange shape and whereof the upper face receives by bonding and by sealing a peelable flexible foil.
  • peelable foils are equipped with a grip or pull tab, intended to allow the consumer to apply a peel force in order to separate the membrane from the container.
  • the said tab should be closely lying with the peelable foil.
  • the tab should not rise up, but stay as close as possible to the foil.
  • the tab must be easily gripped by the consumer when he wishes to open the container; the user must thus preferably have an efficient "finger access” or "access-finger” to the tab.
  • the applicant has developed a new structure of membrane, allowing an efficient arrangement of the tab against the peelable foil and simultaneously an optimal finger access to the tab for the consumer.
  • the closing membrane according the invention comprises - a "peelable" central foil, whereof an outer border is suitable to be sealed with the edge of the container (i.e. the integral edge of the container body or a lid ring) which delimits an opening , and - at least one grip tab, lying at least in part substantially parallel and close to the upper surface of said central foil, said grip tab having an inner free end and an outer fixed end extending from the outer border of said central foil.
  • the membrane in accordance with the present invention, is provided with at least one local deformation of advantageously curved shape, which delimits a housing (advantageously curved) having at least one opening to allow an access finger to said housing, and said curved deformation being arranged about the tab to allow the access of the user finger(s) to the lower face of said tab.
  • the tab is advantageously provided with at least one curved deformation, said deformation being of convex shape starting from the upper surface of the foil, the opening of said deformation being defined by the tab border.
  • the said curved deformation is advantageously arranged - at the inner free end of the tab, or - between its outer fixed end and inner free end.
  • the tab can also advantageously be provided with at least such two deformations: one "terminal” at its inner free end, and at least another "lateral” between its ends.
  • the tab deformation(s) has advantageously a maximal height comprised between 1 mm and 20 mm (and preferably between 2 mm and 5 mm), and a width narrower, or equal, than the tab width.
  • the central foil is advantageously provided with at least one curved deformation of concave shape, starting from the upper surface of the foil, said curved deformation having an opening delimited by a peripheral edge extending about the tab.
  • the curved deformation of the foil extends advantageously outside the overall dimensions of the tab, a part of the peripheral edge of said curved deformation extending tangentially, or at least nearly tangentially, to the border of said tab.
  • a part of the curved deformation of the foil extends advantageously inside the overall dimensions of the tab (i.e. in other words, under the tab).
  • the curved deformation of the foil is arranged advantageously about the inner free end of the tab and/or between the inner fixed end and outer free end of said tab.
  • the said curved deformation of the foil has a depth comprised between 1 mm and 20 mm (and preferably between 1 mm and 5 mm), and an area comprised between 10 mm 2 and 1 000 mm 2 .
  • the tab and the foil can be, advantageously, each provided with at least one curved deformation as specified here-above.
  • the present invention concerns also a lid for container comprising (i) a lid ring having at least an inner annular surface which is intended to define the inner opening of said container, and (ii) a membrane as above-disclosed, whereof an outer border of the central foil is sealed with said annular surface of said lid ring.
  • the invention is moreover directed to a container equipped with at least a membrane according the above definition or at least a lid according also the above definition.
  • the present invention relates also to a method for preparing and forming a membrane of the type specified here-above.
  • the membrane is machined at least by a drawing step, to provide it with at least one local plastic deformation of curved shape, which delimits a curved housing having at least one opening to allow an access finger to said housing, and said curved deformation being arranged about the tab to allow the access of the user finger(s) to the lower face of said tab.
  • a convex deformation is made simultaneously on the foil and on the tab, the convex deformation of the foil being arranged only in part in the overall dimension of said tab, and second, a vacuum force is applied to the lower surface of the foil so as to provoke the moving of the foil deformation from the convex shape to the concave shape (e.g. this vacuum force corresponds to a following sterilization operation implemented on the container equipped of said membrane).
  • the closing membrane 1 according to the invention is suitable for making containers with at least a sealing foil of the "peelable” type, and more particularly an “easy” peelable foil.
  • the said membrane 1 is suitable to be affixed / fastened, according a seal assembly, on the upper edge of a container body.
  • this closing membrane 1 can be sealed directly onto a body edge of the container which delimits an opening, or alternatively in an indirect way by mean of a lid constituted of said membrane provided with a seaming ring.
  • the container body has in particular a side wall which can have various configurations and cross-sectional shapes.
  • a circular cross-section is advantageous, but alternatively this body can have other shapes such as oval, square or rectangular, oblong, etc.
  • the container body can be made of various materials and by various processes.
  • the container body can be made of metal, e.g. steel or aluminium, chosen in function of the product intended to be conditioned. This kind of container is typically used for the conditioning of foodstuffs, but it can also be used for conditioning some other industrial products, such as paints for example.
  • the closing membrane 1 is sealed onto a metal ring 2.
  • the membrane 1 / ring 2 assembly forms together a lid 2', intended to be sealed onto a body edge of the container.
  • the closing membrane 1 is thus suitable to be sealed indirectly onto said body edge of the container.
  • the ring 2 is for example made of steel or of aluminium.
  • the shape of the ring 2 is adapted in function of the cross-sectional shape of the container body. For instance, it is here of annular or circular shape.
  • this ring 2 comprises a planar annular flange 3 delimited, on the one hand, by a rolled or curled inner border 4, and on the other hand, by a free outer curl part 5 arranged to be seamed on the edge of the container body (not shown).
  • the membrane 1 forms a removable closure mean, which is intended to seal an inner opening 6 delimited by the said inner border 4 of the ring 2.
  • said opening 6 allows the access to the conditioned product after removing a said closure mean 1.
  • the said closing membrane 1 comprises a flexible foil 8 of peel type, having an upper surface 8 a and a lower surface 8 b .
  • the peripheral border of the said foil lower face 8 b is bonded and fastened, in a sealing assembly (for example by heat sealing), to the upper face of the annular flange 3 of the ring 2.
  • a flexible foil 8 is disclosed, for instance, in document EP-1 878 666 .
  • the peelable foil 8 comprises also a grip or pull tab 9, lying over and closely to its upper face 8 a .
  • the function of this tab 9 is to be readily grasped and pulled to remove the foil 8 from the ring 2.
  • the foil 8 may be provided with two, or more, such tabs 9.
  • This pull tab 9 is integral with the foil 8, and consists of a material / matter extension (the closing membrane 1 being made in one piece). Alternatively, the pull tab 9 is affixed/fastened to the foil 8, directly or indirectly via an intermediary piece (the closing membrane 1 being thus made at least of two pieces).
  • This pull tab 9 has here a quadrangular shape, e.g. a rectangular shape.
  • the longitudinal axis 9' of said tab 9 extends here radially, or at least approximately radially.
  • This pull tab 9 comprises two ends: - an outer fixed end 10 a , associated to the outer border of the foil 8 and consisting advantageously in an integral fold portion, and - an inner free end 10 b , arranged towards the centre of the foil 8 (said longitudinal axis 9' extending along said inner and outer ends).
  • the peripheral borders of said pull tab 9 define a horizontal overall dimension, also named horizontal encumbrance, onto the surface of the foil 8.
  • the closing membrane 1, constituted by the foil 8/tab 9 assembly is provided with local deformations 11, 12, which delimits each a housing 11 a , 12 a having an opening 11 b , 12 b to allow an access finger to said housing.
  • Theses deformations 11, 12 are arranged about the tab 9 (directly onto the tab 9 and/or onto the foil 8) to allow the access of the user finger(s) to the lower face 9 a of said tab 9. This permits the user to move his finger(s) below the tab 9, to grip and to tear up the latter, and to peel off the foil 8.
  • the local deformations 11, 12 are advantageously of curved shape, which is particularly interesting by the fact that it is significatively resistant to mechanic stress, notably during sterilisation, transport, storage, etc.
  • the shape of the local deformations 11, 12 can also be termed “arched”, “domed”, “rounded” or “warped”.
  • said local deformations 11, 12 are advantageously plastic deformation or plastic deformation type (i.e. deformation of a material undergoing non-reversible changes of shape in response to applied forces), which are obtained for example by drawing and/or warping operation(s).
  • the membrane 1, i.e. the foil 8 and/or the tab 9, is thus preferably made in a material suitable to be shaped by such plastic deformations; one skill in the art can choose such a material and the process to implement.
  • the closing membrane 1 comprises two local "access-finger" deformations 11, 12, i.e. a first deformation 11 arranged onto the pull tab 9 and a second deformation 12 arranged onto the foil 8.
  • the said tab deformation 11 is of convex shape, starting from the upper surface 8 a of the foil 8, and is arranged at the inner free end 10 b of said tab 9.
  • This deformation 11 is here of half dome shape. It is oriented coaxially with the longitudinal axis 9' of the tab 9.
  • the width of this deformation 11 is inferior to the one of the said pull tab 9, as shown figure 1 .
  • the opening 11 b of said deformation 11 is defined by the inner end border 11 c of the tab 9, here of arc of circle shape (in particular a semi-circle).
  • This tab deformation 11 has advantageously a height and a depth comprised between 1 mm and 20 mm (preferably between 2 mm and 5 mm).
  • the foil deformation 12 is of concave dome shape, starting from the upper surface 8 a of the foil 8 (this deformation 12 extends at side of the foil lower surface 8 b ).
  • Said foil access-finger deformation 12 has an opening 12 b , oriented upwardly, delimited by an annular peripheral edge 12 c extending about the tab 9.
  • the curved deformation 12 of the foil 8 is arranged about the inner end 10 b of the tab 9, and in part inside the overall dimensions of the tab 9.
  • the curved deformation 12 of the foil 8 has a depth comprised between 1 mm and 20 mm (preferably between 2 mm and 5 mm), and an area comprised between 10 mm 2 (corresponding to a nail size) and 1 000 mm 2 (corresponding to the size of at least two fingers).
  • the said two deformations 11 and 12 constitute together a broader housing, constituted by their respective housings 11 a and 12 a .
  • the consumer has then an optimal finger(s) access to the pull tab 9.
  • the terminal position of the curved deformation 11, at the inner end 10 b of the tab 9 permits better and natural gripping characteristics of said tab.
  • the membrane 1 above-described can also be directly sealed onto the body edge of the container as shown figures 3 to 6 .
  • the body container C comprises an integral edge C1 having a curled / rolled shape, extending here outwardly.
  • This edge C1 delimits the opening 6 of the body container C.
  • the peripheral border of the foil lower face 8 b is bonded and fastened, in a sealing assembly, to this body edge C1.
  • the body container C can also comprise an integral edge C2 having an annular flange shape, extending here outwardly.
  • the inner border of this edge C2 delimits the opening 6 of the body container C.
  • the peripheral border of the foil lower face 8 b is bonded and fastened, in a sealing assembly, to the upper face of the container annular flange C2.
  • This closing membrane 1 comprises thus a tab 9 whereof the inner end 10 b is provided with a local deformation 11, identical or at least similar to the one disclosed here-above in accordance with figures 1 and 2 .
  • the foil access-finger deformation 12 is here arranged outside the overall dimensions of the tab 9. Moreover, a part of the peripheral edge 12 c of said curved deformation 12 extends tangentially to the inner border 11 c of said tab 9. In other word, said inner tab border 11 c and said deformation edge 12 c extends into, or approximately into, the same transversal plan P which is perpendicular to the foil 8 (as shown figure 8 ).
  • only the foil 8 or the tab 9 can be provided with one of the above-disclosed deformations 11, 12. Theses curved deformations 11, 12 are also arranged about the tab 9 (onto the foil 8 or said tab 9), to allow the access of the user finger to the lower face 9 a of said tab 9.
  • the foil 8 of the membrane 1 can be totally planar and rests against most of the lower face 9 a of the tab 9. This is in particular interesting if said foil 8 is provided with an impression which should not be deformed.
  • the deformation 11 is thus arranged here only onto the tab 9.
  • the tab 9 comprises a terminal inner deformation 11 as disclosed before. This access-finger deformation 11 is sufficient to allow the gripping of the tab 9 by the consumer.
  • the tab 9 comprises an optional and complementary deformation 13.
  • This second tab deformation 13 can be arranged onto any other embodiment of membrane 1.
  • the second tab deformation 13, said "lateral" deformation, is arranged laterally onto the tab 9, between its outer 10 a and inner 10 b ends.
  • the lateral deformation 13 is also opened laterally, i.e. transversally compare to the longitudinal axis 9' of the tab 9.
  • This second tab deformation 13 is identical, or at least similar, to the terminal access-finger deformation 11 above-disclosed.
  • the tab 9 can also be provided with another lateral deformation, in particular to allow the tab gripping either by a right hand user or a left hand user.
  • this tab shape with multiple access-finger deformations 11, 13, allows thus its efficient gripping, either into the axis 9' of the tab 9 or transversally to it.
  • the tab 9 can be planar and rests against the foil upper face 8 a .
  • the unique/single access-finger deformation 12 is thus arranged here onto the foil 8, about the tab 9.
  • this access-finger deformation 12 extends into the overall dimensions of the tab 9, as disclosed above in accordance to figures 1 and 2 .
  • the tab 9 extends thus partially above the foil deformation 12.
  • the foil deformation 12 can also be arranged tangentially to the tab 9 (i.e. outside the overall dimensions of the tab 9) about the inner free end 10 b thereof, as disclosed above according to figures 7 and 8 .
  • the embodiment of figure 12 comprises also a foil 8 provided with a complementary and optional curved deformation 14.
  • the aim of this complementary deformation 14 is to optimize the finger positioning of the consumer, when he wishes to grip the tab 9 and to peel off the foil 8.
  • This second foil deformation 14 can be arranged onto any other embodiment of closure membrane 1.
  • This lateral deformation 14 is also of concave shape, compare to the upper surface 8 a of the foil 8.
  • the foil 8 can be provided with such two foil lateral deformation 14, each one at one side of the tab 9 to allow the finger positioning either for a right hand user or for a left hand user.
  • An advantageous method for preparing and forming a membrane according to the invention consists in machining the said membrane by at least a drawing step. This drawing operation is implemented onto the foil 8 and/or the tab 9 so as to provide the membrane 1 with at least one local plastic deformation of curved shape as disclosed above.
  • FIG 13 A particular method is shown figure 13 , which is intended to form a closure mean of the type disclosed above in accordance with figures 1 and 2 . As shown, the corresponding method comprises the following steps:
  • This closing membrane 1 can then be sealed onto a lid ring (for instance according to figures 1 and 2 ) or onto the edge of a body container (according for example to figures 3 to 6 ).
  • the vacuum force corresponds to a following sterilization operation implemented on the container equipped of said closing membrane 1, in a state as specified in accordance with figure 13 B .
EP08305630A 2008-10-01 2008-10-01 Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension Withdrawn EP2172405A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08305630A EP2172405A1 (fr) 2008-10-01 2008-10-01 Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08305630A EP2172405A1 (fr) 2008-10-01 2008-10-01 Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension

Publications (1)

Publication Number Publication Date
EP2172405A1 true EP2172405A1 (fr) 2010-04-07

Family

ID=40434851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08305630A Withdrawn EP2172405A1 (fr) 2008-10-01 2008-10-01 Membrane de fermeture pour un récipient doté d'un accès amélioré à une languette de préhension

Country Status (1)

Country Link
EP (1) EP2172405A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2973209A1 (fr) * 2011-04-01 2012-10-05 Ahbla Ganibardi Capsule de produit pour boisson
EP3251968A1 (fr) * 2016-05-31 2017-12-06 Genoveva Serra Caselles Couvercle pour un emballage pelable en film rigide ou flexible avec une languette de prehension scellée
EP3360819A1 (fr) * 2017-02-14 2018-08-15 Genoveva Serra Caselles Couvercle pour emballage pelable en un film rigide ou souple avec languette de préhension scellée

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302818A (en) * 1964-05-13 1967-02-07 American Can Co Container with easy-open end
US3355059A (en) * 1964-05-13 1967-11-28 American Can Co Laminate with severable portion
US3854649A (en) * 1971-08-06 1974-12-17 Wagner W Thin-walled container
EP0357276A1 (fr) * 1988-09-02 1990-03-07 General Foods Corporation Produit emballé sous vide et procédé utilisant une membrane comme fermeture d'extrémité
DE9203953U1 (fr) * 1992-03-24 1992-07-23 Alcan Rorschach Ag, Rorschach, Ch
US5752614A (en) * 1996-11-19 1998-05-19 Sonoco Products Company Easy-opening closure for hermetic sealing a retortable container
WO2002008074A1 (fr) * 2000-07-24 2002-01-31 Chiang Charles N Contenant de boisson comprenant un panneau superieur se conservant propre facilement
EP1321376A1 (fr) * 2001-12-20 2003-06-25 Impress Group B.V. Couvercle avec feuille d'étanchéité pourvue de languette d'arrachage
EP1878666A1 (fr) 2006-07-13 2008-01-16 Impress Metal Packaging SA Couvercle de récipient avec membrane pelable.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302818A (en) * 1964-05-13 1967-02-07 American Can Co Container with easy-open end
US3355059A (en) * 1964-05-13 1967-11-28 American Can Co Laminate with severable portion
US3854649A (en) * 1971-08-06 1974-12-17 Wagner W Thin-walled container
EP0357276A1 (fr) * 1988-09-02 1990-03-07 General Foods Corporation Produit emballé sous vide et procédé utilisant une membrane comme fermeture d'extrémité
DE9203953U1 (fr) * 1992-03-24 1992-07-23 Alcan Rorschach Ag, Rorschach, Ch
US5752614A (en) * 1996-11-19 1998-05-19 Sonoco Products Company Easy-opening closure for hermetic sealing a retortable container
WO2002008074A1 (fr) * 2000-07-24 2002-01-31 Chiang Charles N Contenant de boisson comprenant un panneau superieur se conservant propre facilement
EP1321376A1 (fr) * 2001-12-20 2003-06-25 Impress Group B.V. Couvercle avec feuille d'étanchéité pourvue de languette d'arrachage
EP1878666A1 (fr) 2006-07-13 2008-01-16 Impress Metal Packaging SA Couvercle de récipient avec membrane pelable.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2973209A1 (fr) * 2011-04-01 2012-10-05 Ahbla Ganibardi Capsule de produit pour boisson
EP3251968A1 (fr) * 2016-05-31 2017-12-06 Genoveva Serra Caselles Couvercle pour un emballage pelable en film rigide ou flexible avec une languette de prehension scellée
ES2664769R1 (es) * 2016-05-31 2018-08-13 Genoveva Serra Caselles Tapa abre-fácil para envase de film rígido o flexible con solapa sellada
EP3360819A1 (fr) * 2017-02-14 2018-08-15 Genoveva Serra Caselles Couvercle pour emballage pelable en un film rigide ou souple avec languette de préhension scellée

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