EP2218649A1 - Verschlussvorrichtung für Beuteln und Beuteln mit einer solche Verschlussvorrichtung - Google Patents

Verschlussvorrichtung für Beuteln und Beuteln mit einer solche Verschlussvorrichtung Download PDF

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Publication number
EP2218649A1
EP2218649A1 EP10153775A EP10153775A EP2218649A1 EP 2218649 A1 EP2218649 A1 EP 2218649A1 EP 10153775 A EP10153775 A EP 10153775A EP 10153775 A EP10153775 A EP 10153775A EP 2218649 A1 EP2218649 A1 EP 2218649A1
Authority
EP
European Patent Office
Prior art keywords
webs
primary
assembly according
elements
primary webs
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.)
Granted
Application number
EP10153775A
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English (en)
French (fr)
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EP2218649B1 (de
EP2218649A8 (de
Inventor
William Delasalle
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S2F Flexico SARL
Original Assignee
S2F Flexico SARL
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.)
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Publication date
Application filed by S2F Flexico SARL filed Critical S2F Flexico SARL
Publication of EP2218649A1 publication Critical patent/EP2218649A1/de
Publication of EP2218649A8 publication Critical patent/EP2218649A8/de
Application granted granted Critical
Publication of EP2218649B1 publication Critical patent/EP2218649B1/de
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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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means

Definitions

  • the present invention relates to the field of packaging bags.
  • the present invention relates to the field of packaging bags comprising closure means in the form of complementary profiles.
  • Most closure assemblies known for this purpose comprise two complementary elements 100, 200, for example of the male / female type or of the velvet / hook type or else of the complementary hook type, carried by respective support webs 150, 250, as illustrated. on the figure 1 attached.
  • Such support webs 150, 250 may be reported on the films comprising the bag or extruded with these films.
  • FIG. 4 illustrates more precisely the mouth of a resealable bag known from this document.
  • the provisions represented on the figure 4 are intended to limit the risk that the pressure inside the bag tends to separate the closure elements 100, 200.
  • attachment areas of the support webs 150, 250 on the films 10 and 20 are referenced 152 and 252.
  • the web 150 forming a support for the male element 100 is articulated on the film 10 at the attachment zone 152. It is indicated in the document FR-A-2628067 that thanks to this arrangement, the pressure inside the bag leads a possible pivoting of the support web 150 at the hinge zone formed by its attachment 152, without risk of separation of the closure elements 100 and 200.
  • the present invention now aims to improve the state of the art by proposing new ways to limit the risk of inadvertent opening of the closure means under the effect of the internal pressure of the bag.
  • the invention thus particularly aims to limit the risk of opening during handling or during storage or stacking of bags.
  • a closure assembly comprising two complementary elements carried by respective webs, characterized in that said two complementary elements are carried by primary webs coextruded with said two complementary elements and that the closure assembly further comprises secondary webs coextruded with said two complementary elements, intended to be connected to the walls of the bag and which are connected to the primary webs at respective joints formed by extrusion and located in line with the connecting zones of a pair of complementary closure elements on the primary webs and additional stages of elements complementary, carried by the primary sails at least on one side of the hinge areas.
  • the realization of the integral closure assembly comprising the closure elements, the primary webs and the secondary webs, by extrusion, makes it possible to locate the hinge zones with complete reliability.
  • auxiliary sails opening respectively connected at least semi-rigidly to the primary webs.
  • auxiliary sails flexibly articulated on the primary sails.
  • the present invention also relates to sachets equipped with a closure assembly of the aforementioned type.
  • the closure assembly according to the present invention is made integrally by extrusion, thermoplastic material, for example based on polyethylene or polypropylene.
  • a closure assembly comprising two complementary elements 100a, 200a carried by primary webs 160, 260.
  • the respective binding areas of the complementary elements 100a, 200a on the primary webs 160, 260, are referenced 102 and 202.
  • the complementary elements 100, 200 are formed of male / female elements with complementary shapes. In their general structure, such complementary male / female elements are well known to those skilled in the art. They will not be described in more detail later.
  • the closure assembly further comprises sails secondary 170, 270 intended to be linked to the main walls of the bag.
  • the secondary webs 170, 270 are connected to the primary webs 160, 260 at respective flexible joints 172, 272 located at the right of the connecting zones 102, 202 of the closure elements 100a, 200a on the primary webs 160, 260.
  • the primary webs 160, 260 extend on either side of the connecting zones 102 and 202.
  • the section of the primary webs 160, 260 which extends towards the interior of the bag is referenced 162, 262.
  • the section primary webs 160, 260 extending outwardly of the bag is referenced 164, 264.
  • the intrinsic rigidity of the outer sections 164, 264 of the primary webs and the rigidity of the connection existing between these external sections 164, 264 of the primary webs and the closing elements 100a, 200a, are greater than the stiffness of the hinge link 172, 272 defined between the secondary webs 170, 270 is the primary webs 160, 260.
  • outer sections 164, 264 of the primary webs 160, 260 constitute auxiliary sails opening respectively connected at least semi-rigidly to the primary webs 160, 260 allowing easy opening of the bag from outside the latter.
  • each of the webs 160, 260 primary carries a plurality of complementary elements 100, 200 may come into engagement. According to the embodiment of the figure 6 it is thus provided three levels of complementary elements 100a, 200a, 100b, 200b and 100c, 200c. This number is however not limiting.
  • the complementary elements carried by the primary webs 160, 260 are variegated, in that they comprise a first level of complementary element 100a, 200a of the male / female type to the right of the articulation zones 172, 272 of the secondary sails 170, 270, and two additional levels of complementary elements 100b, 200b and 100c, 200c of the hook type, on the inside of the bag relative to the first level of said complementary elements 100a, 200a.
  • pivoting P is applied to the primary webs 160, 260 and to the complementary elements 100, 200, tending to to discard the complementary elements 100, 200 and consequently to disengage them.
  • the disengagement of the complementary elements 100, 200 illustrated on the figure 7 is also due to the relative positioning change of the complementary elements 100, 200 resulting from the solicitation.
  • At least one of the closure means 100, 200 may be asymmetrical in order to facilitate the deformation and separation of the closure elements when a bias is operated from the outside and, on the contrary, to maintain or even strengthen, the commitment of the elements 100 and 200 under the effect of the pressure inside the bag.
  • the inner branch 204 of the closing female member 200 is thicker and more rigid than its outer member 206.
  • asymmetry can be envisaged, including an asymmetry of each of the two elements 100 and 200.
  • each sail 160, 260 carries three elements at the head of the arrow intended to interlock with the complementary elements carried by the opposite web.
  • the webs 160, 260 and the complementary elements carried by them are therefore generally symmetrical.
  • the figure 12 illustrates an alternative embodiment in which the two beads 120, 220 are replaced by a single bead 130 carried by the inner end of the primary web 160.
  • FIG. 13 an alternative embodiment bag or bag according to which a closure assembly according to the invention is integral on the main walls 10, 20 of the bag.
  • a closure assembly according to the invention is integral on the main walls 10, 20 of the bag.
  • two main films 10, 20 component conventionally in a packet. The particular conditions of realization of such a bag, in its general structure, will not be described in detail later.
  • the walls 10, 20 of the bag can be the subject of many embodiments. It is preferably, as for the closure assembly according to the present invention, walls of thermoplastic material, for example based on polyethylene or polypropylene.
  • These walls can be single or multilayer and mono or multi-material. If necessary, it may be a paper support coated with a layer of thermoplastic material, or a metallized thermoplastic layer.
  • the bag can be made using a single sheet folded on itself and welded on three sides or several sheets, for example two sheets welded together at their edge, preferably along edges connecting the walls. main.
  • FIG 15 an alternative embodiment according to which there is provided a sail or film 140 forming an opening witness which initially connects the free edges of the inner sections 162, 262 of the primary webs 160, 260.
  • a sail or film 140 forming an opening witness which initially connects the free edges of the inner sections 162, 262 of the primary webs 160, 260.
  • veil 140 must be broken at the first use, that is to say when the first opening of the bag. The rupture of the film 140 makes it possible to visualize this first opening.
  • the film 140 also makes it possible to reinforce the tightness of the bag.
  • the web 140 may comprise a point of weakness 142, preferably in its median part, for example in the form of a zone of lesser thickness or of a zone of a more fragile material, in order to locate the preferential line of rupture. of this veil 140.
  • FIG 16 another variant embodiment of a closure assembly according to the present invention comprising a film or sail 144 forming an opening witness and sealing reinforcement initially connecting the free edges of the outer sections 164, 264 of the primary webs 160, 260
  • the operation of such a sail witness 144 remains equivalent to that of the veil 140 represented on the figure 15 .
  • the web 144 may also include a zone of weakness 146 comparable to that 142 of the web 140.
  • FIG. 17 an alternative embodiment of a closure assembly according to the present invention comprising an actuating slider 300.
  • a slider 300 can in fact be used for all the embodiments of closure assembly proposed in the context of the present invention.
  • Such a slider 300 is known per se in its general structure. It will not be described in detail later. It will be recalled simply that in general such a slider 300 comprises a sole 302 which carries two side webs 304, 306 and a central wall 308 defining between them two non-parallel channels 310, 312 respectively receiving at least the top of one of the two primary webs 160, 260 closing assemblies or walls 10, 20. Thus in the direction of movement of the slider 300, it solicits the complementary closure elements 100, 200 respectively at the opening and closing.
  • the embodiment represented on the figure 17 may be completed by a film or sail 140 forming an opening control and sealing reinforcement initially connecting the free edges of the inner sections 162, 262 of the primary webs 160, 260, comparable to the figure 15 .
  • FIG. 18 an alternative embodiment of a closure assembly according to the present invention comprising such a slider 300 also covered with a film or veil 148 forming an opening control.
  • the film 148 overlaps the slider 300 and is connected to the primary webs 160, 260 or secondary webs 170, 270, typically at the hinge areas 172, 272.
  • this web 148 must be broken during the first use to allow access to the cursor 300.
  • the web 148 has for this purpose a line of weakness 149 similar to the lines of weakness 142, 146.
  • variant embodiments represented on the Figures 19 and 20 correspond to embodiments of closure devices according to the present invention, adapted to make the opening difficult both under internal stress and external stress, once the device placed in the closed position.
  • FIG. 20 an embodiment variant that differs from the figure 10 in that additional auxiliary webs 190, 290 are provided directed towards the outside of the closure assembly. These additional auxiliary sails 190, 290 are also articulated in a flexible manner on the primary webs 160, 260, at the hinge areas 172, 272. Thus, when an opening bias is operated by traction on the auxiliary sails additional 190, 290, is exerted a traction perpendicular to the primary webs 160, 260 comparable to the illustration of the figure 8 , without risk of opening the closing device and the bag.
  • the primary webs 160, 260 extend on either side of the articulation zone 172, 272 and the closure assembly comprises secondary sails 170, 270 and additional auxiliary sails 190, 290 all articulated so flexible 172, 272 on the primary sails 160, 260.
  • closure assemblies can be used to equip single-use bags, for example for the storage of valuable products, banking or the like, or any other product, for example all food or household products or the like in a single-use bag .
  • a line of weakness on a localized area of the closure devices represented on the Figures 19 and 20 , for example at one of the hinge areas 172 or 272, to control and confine the tear zone, when an opening is forced, to clearly view this opening.
  • each of the embodiments may comprise complementary elements 100, 200 of any type (in particular of the male / female type, hooks, or the like), be made of material on the films of a bag or reported on these films, whether or not to include a film forming an opening witness to be broken at the first use, whether or not to include an actuating slider.
  • FIG. figure 22 We also represented on the figure 22 annexed another variant embodiment on which we find, as for all the embodiments according to the present invention shown on the Figures 6 to 21 two complementary elements 100, 200 coextruded with primary webs 160, 260 and secondary webs 170, 270 intended to be connected to the walls 10, 20 of the bag and which are connected to the primary webs 160, 260 at the joints 172, 272 located to the right of the connection zones of the closure elements 100, 200 on the primary webs 160, 260.
  • the embodiment illustrated in FIG. figure 22 further comprises two additional complementary elements 105, 205 of which at least one, in this case the element 105, is carried by an additional hinged sealing veil 107.
  • This additional sealing veil 107 is itself connected to one of the primary webs 160, 260, in this case the primary web 160, at a zone 108 not superimposed on the corresponding closure element 105. Moreover, the additional hinged veil 107 extends beyond of the closure element 105 so that when the additional complementary closure elements 105, 205 are engaged, the end 109 of the hinged veil 107 bears against a facing structure, in this case the opposite primary veil 260.
  • the foregoing provision is in accordance with the patent application filed by the Applicant December 17, 2008 under the N ° FR 08 58680 . It will not be described in more detail later. This provision which makes it possible to reinforce the tightness of the closing device and the bag, can in itself be the subject of various variant embodiments, as indicated in the application FR 08 58680 .
  • each primary web 160, 260 carries three elements at the top of the arrow 100, 200 intended to interlock with the complementary elements carried by the opposite web. Expansions to the outside of the primary webs 160, 260 in the form of sections 164, 264 and secondary webs 170, 270 articulated on the primary webs 160, 260, at the joints 172, 272 are also provided.
  • the outer sections 164, 264 of the primary webs 160, 260 are located generally in the extension of the secondary webs 170, 270.
  • the primary webs 160, 260 are thus connected to the outer sections 164, 264 via respective recesses at least semi-rigid 166, 266, directed outwards from the primary webs 160, 260.
  • the secondary webs 170, 270 are themselves provided with a thin region forming the articulation 172, 272, near the recesses. 166, 266.
  • the primary webs 160, 260, the complementary elements 100, 200 carried by them, the secondary webs 170, 270 and the sections 164, 264 are generally symmetrical.
  • the figure 24 represents an alternative embodiment of the figure 23 which differs from the latter in that according to the figure 24 , the outer sections 164, 264 of the primary webs 160, 260 are located generally in the extension of the primary webs 160, 260 and are connected at least semi rigidly to them.
  • the secondary sails 170, 270 are connected to the primary sails 160, 260 via respective soft recesses 166, 266 directed outwards from the primary webs 160, 260.
  • the recesses 166, 266 are here advantageously formed by thin zones forming the articulation 172, 272.
  • the primary webs 160, 260, the complementary elements 100, 200 carried by them, the secondary webs 170, 270 and the sections 164, 264 are again globally symmetrical.
  • the figure 25 represents a sectional view of a particular embodiment of a closure assembly which in principle conforms to the figure 10 .
  • the primary webs 160, 260 extend on either side of the articulation zone 172, 272 and the closure assembly comprises secondary webs 170, 270 and additional auxiliary webs 190, 290 all flexibly hinged at 172, 272 on the primary webs 160, 260.
  • the secondary webs 170, 270 and the additional auxiliary webs 190, 290 are respectively substantially aligned.
  • Figures 26 and 27 two variants which are different from the embodiments illustrated on the figures 10 and 20 respectively, in that one of the primary webs 260 is extended on its inner end by a return 292, adapted to overlap the inner free edge of the opposite primary web 160 and thus enhance the sealing of the assembly, in the closed position .
  • the return 292 is convex towards the inside of the bag.
  • closure assemblies according to the present invention are formed of two symmetrical subsets (see for example figures 10 , 13 to 16 , 19 to 21 , 23 to 25 ).
  • Such symmetry offers many advantages. It allows for the closure assembly using a unique extrusion die and therefore a low cost. It also allows to achieve the closure assembly by folding on itself a subset. It avoids having to differentiate two distinct subsets, for example respectively comprising male and female closure elements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
EP10153775A 2009-02-17 2010-02-17 Verschlussvorrichtung für Beutel und Beutel mit einer solchen Verschlussvorrichtung Active EP2218649B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0951020A FR2942207B1 (fr) 2009-02-17 2009-02-17 Ensemble de fermeture pour sachets d'emballage et sachets comprenant un tel ensemble

Publications (3)

Publication Number Publication Date
EP2218649A1 true EP2218649A1 (de) 2010-08-18
EP2218649A8 EP2218649A8 (de) 2011-03-23
EP2218649B1 EP2218649B1 (de) 2011-10-19

Family

ID=41130606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10153775A Active EP2218649B1 (de) 2009-02-17 2010-02-17 Verschlussvorrichtung für Beutel und Beutel mit einer solchen Verschlussvorrichtung

Country Status (6)

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US (1) US20100209020A1 (de)
EP (1) EP2218649B1 (de)
AT (1) ATE529345T1 (de)
BR (1) BRPI1000378B1 (de)
CA (1) CA2693245C (de)
FR (1) FR2942207B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988701B1 (fr) * 2012-04-03 2014-04-11 S2F Flexico Dispositif de fermeture pour sachets ou equivalents ayant un effet tactile et sonore ameliore, sachet ainsi obtenu et procede de realisation
FR3009546B1 (fr) 2013-08-06 2016-03-25 S2F Flexico Dispositif de fermeture a profiles complementaires multiples
US9790002B2 (en) 2015-01-29 2017-10-17 Inteplast Group Corporation Bag with gripping panels
USD769117S1 (en) 2015-01-30 2016-10-18 Inteplast Group Corporation Set of gripping panels for bag closure
PL242136B1 (pl) 2019-02-08 2023-01-23 Elplast Europe Spolka Z Ograniczona Odpowiedzialnoscia Zamknięcie strunowe z zabezpieczeniem przed otwarciem oraz opakowanie z zamknięciem strunowym z zabezpieczeniem przed otwarciem
US11986055B2 (en) * 2022-09-27 2024-05-21 Inteplast Group Corporation Shoe cover

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FR858680A (fr) 1939-02-21 1940-11-30 Thomson Houston Comp Francaise Modulomètre à temps d'arrêt
US3347298A (en) 1965-10-07 1967-10-17 Minigrip Inc Flexible fastener with unidirectional opening
US4196030A (en) * 1976-12-27 1980-04-01 Minigrip, Inc. Method of making extruded construction for bags
US4430070A (en) 1981-08-11 1984-02-07 Minigrip, Inc. Method of and apparatus for uninterruptedly assembling components for making bags
US4817188A (en) 1988-03-07 1989-03-28 Minigrip, Inc. Bag with separate attached zipper and method of making
US6185796B1 (en) * 1999-08-20 2001-02-13 Illinois Tool Works Inc. Vacuum seal reclosable zipper
EP1489019A1 (de) * 2002-03-27 2004-12-22 Idemitsu Unitech Co., Ltd. Dichtungsbeutel mit spannfutter

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US3459870A (en) * 1967-04-10 1969-08-05 Walter A Plummer High dielectric protective jacket for temporary assembly about high tension conductors
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Publication number Priority date Publication date Assignee Title
FR858680A (fr) 1939-02-21 1940-11-30 Thomson Houston Comp Francaise Modulomètre à temps d'arrêt
US3347298A (en) 1965-10-07 1967-10-17 Minigrip Inc Flexible fastener with unidirectional opening
US4196030A (en) * 1976-12-27 1980-04-01 Minigrip, Inc. Method of making extruded construction for bags
US4430070A (en) 1981-08-11 1984-02-07 Minigrip, Inc. Method of and apparatus for uninterruptedly assembling components for making bags
US4817188A (en) 1988-03-07 1989-03-28 Minigrip, Inc. Bag with separate attached zipper and method of making
FR2628067A1 (fr) 1988-03-07 1989-09-08 Flexico France Sarl Structure de sac refermable, et procede de fabrication d'une telle structure
US6185796B1 (en) * 1999-08-20 2001-02-13 Illinois Tool Works Inc. Vacuum seal reclosable zipper
EP1489019A1 (de) * 2002-03-27 2004-12-22 Idemitsu Unitech Co., Ltd. Dichtungsbeutel mit spannfutter

Also Published As

Publication number Publication date
BRPI1000378B1 (pt) 2019-11-12
US20100209020A1 (en) 2010-08-19
EP2218649B1 (de) 2011-10-19
FR2942207A1 (fr) 2010-08-20
ATE529345T1 (de) 2011-11-15
CA2693245C (fr) 2017-04-04
FR2942207B1 (fr) 2011-03-18
EP2218649A8 (de) 2011-03-23
CA2693245A1 (fr) 2010-08-17
BRPI1000378A2 (pt) 2011-06-14

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