EP2834159B1 - Dispositif de fermeture pour sachets ou équivalents ayant un effet tactile et sonore amélioré, sachet ainsi obtenu et procédé de réalisation - Google Patents

Dispositif de fermeture pour sachets ou équivalents ayant un effet tactile et sonore amélioré, sachet ainsi obtenu et procédé de réalisation Download PDF

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Publication number
EP2834159B1
EP2834159B1 EP13714269.1A EP13714269A EP2834159B1 EP 2834159 B1 EP2834159 B1 EP 2834159B1 EP 13714269 A EP13714269 A EP 13714269A EP 2834159 B1 EP2834159 B1 EP 2834159B1
Authority
EP
European Patent Office
Prior art keywords
profile elements
closure
fastening profile
profiles
fastening
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
EP13714269.1A
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German (de)
English (en)
French (fr)
Other versions
EP2834159A1 (fr
Inventor
William Delasalle
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.)
S2F Flexico SARL
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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 EP2834159A1 publication Critical patent/EP2834159A1/fr
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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
    • B65D33/2541—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • B65D33/255—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape being provided with special visual, audible or tactile indicating means, e.g. indicating proper engagement
    • 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
    • B65D33/2541—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • B65D33/2558—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 characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape the slide fastener having a non-constant section throughout the length of the fastener, e.g. slightly undulated interlocking members or castellated stringers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
    • Y10T24/45157—Zipper-type [e.g., slider]
    • Y10T24/45168—Zipper-type [e.g., slider] for container [e.g., bag]

Definitions

  • the present invention relates to the field of closure devices for bags, bags or the like.
  • the present invention relates to closure devices based on two complementary profiles 10, 20 carried by respective opposite support walls 12, 22 as illustrated by way of non-limiting examples on the Figures 1 and 2 attached.
  • the figure 1 illustrates an exemplary embodiment according to which the aforementioned complementary profiles are formed of complementary male / female elements, the male element comprising a rod 14 secured to the wall 12 and provided with an enlarged protuberance 15 at its top, while the female element 20 is formed of a groove 24 with convergent edges having in section a cavity complementary to the protuberance 15.
  • the figure 2 represents another variant embodiment in which the complementary sections 10, 20 are formed of hooks 11 and 21.
  • the general object of the present invention is to propose improvements to the profiles thus known in order to generate a tactile sensation and a sound effect when closing and opening the aforementioned device, that is to say respectively when the engagement of the profiles 10, 20 and the separation thereof.
  • the means thus proposed certainly make it possible to generate a certain touch and sound effect.
  • the effects thus obtained thanks to the means hitherto proposed remain limited.
  • the particular object of the present invention is to improve the known arrangements of the prior art, to enhance the tactile sensation and the sound effect.
  • the Applicant has determined that the very specific triple combination according to the present invention comprising 1) the multiplication of the closure elements, 2) the sequential crushing and 3) the support veil integral with the fastening elements, generates an effect improved compared to the state of the art, thanks to a resonance phenomenon initiated at the level of the attachment elements and propagated in vibratory mode at the level of the support web, leading to an amplification effect.
  • the present invention also relates to bags or bags equipped with such a closure device.
  • the present invention also relates to a method for producing such closure devices or sachets comprising a step of sequential crushing.
  • a closure device comprising two complementary elements A and B formed of two parallel support webs 100, 200 respectively carrying one of two sets of complementary profiles 110, 210.
  • each of the two sets of complementary profiles 110, 210 comprises at least two fastening profiles forming a multiple closure.
  • the two sets 110, 210 are symmetrical and each comprise four fastening profiled elements 112, 114, 116 and 118; 212, 214, 216 and 218.
  • each of the fastening profiled elements 112, 114, 116 and 118; 212, 214, 216 and 218 is formed of a profile of constant cross section along the entire length, in the form of an arrow head.
  • each of these fastening profiled elements comprises a rod, for example 113, generally orthogonal to a web 100 or 200 and integral with a web 100 or 200, provided at its free end opposite to the web 100 or 200 of a web. enlarged head, for example 115.
  • the enlarged head 115 may be symmetrical with respect to the mean plane of the rod 113 orthogonal to the web 100 or 200 or asymmetrical with respect to this mean plane.
  • the facets of the enlarged head 115 directed towards the support webs 100 or 200 converge at least slightly toward the respective support web, away from the rod 113, to form backpipes which reinforce the mutual interlocking of the profiles 112, 114, 116 and 118; 212, 214, 216 and 218 provided respectively on the two webs 100 and 200.
  • the 4 profiled fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218 are divided into two groups of two elements 112 and 114 on the one hand, 116 and 118 on the other hand; respectively 212 and 214 on the one hand, 216 and 218 on the other hand.
  • the first group of fastening profile elements 112, 114 integral with a first web 100 is adapted to cooperate, as seen on the figure 6 , with the first group of profiled fastening elements 212, 214 secured to the second web 200, while the second group of fastening profiled elements 116, 118 secured to the first web 100 is adapted to cooperate with the second group of elements. profiled fastening elements 216, 218 integral with the second sail 200.
  • the distance I2 between the two profiled fastening elements (112 and 114 for example) of the same group is adapted to allow the insertion of an opposing fastening profiled element (214 for example) while retaining that ci, while allowing its subsequent withdrawal, by elastic deformation of material, if a sufficient tearing force is applied between the webs 100 and 200.
  • the gap I2 between the two profiled fastening elements (112 and 114 for example) of the same group may be of the order of 1 mm, while the difference I1 between the two Groups of profiled elements of attachment can be of the order of 3 to 4 mm.
  • the total width I3 or transverse dimension of the profiled fastening elements corresponding to the distance separating the outer surfaces of the outermost rods can thus be of the order of 6 mm.
  • the two sets of attachment profiles 110 and 210 can be asymmetrical.
  • the fastening elements are crushed sequentially throughout the closure.
  • the crushing of the two complementary profiles 110, 210 generate a succession of hard points and weak points during the engagement and the separation of elements A and B of the closure.
  • the pitch of the sequential crushing is preferably between 2 and 7.5 mm, for example of the order of 2.5 mm.
  • the fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218 are carried by webs 100, 200 supports of material whose width is greater than the total width I3 of the profiled fastening elements.
  • two sections of support web 102, 104 and 202, 204 located respectively on either side of the profiled fastening elements and each having a width I4 less than five times, are provided.
  • each sail section 102, 104 and 202, 204 is of the order of twice the width I3 of the fastening section elements.
  • the thickness of the support web opposite the fastening profiles is greater than the thickness I6 of the web on the outside of the profiled fastening elements.
  • the thickness I5 of the support web facing the fastening profiles can thus be of the order of twice the thickness I6 of the web on the outside of the profiled fastening elements.
  • the closure may be made of any suitable material, preferably based on polyolefin. It is advantageously polyethylene or polypropylene.
  • the Applicant has determined that the very specific triple combination according to the present invention mentioned above and comprising 1) the multiplication of the closure elements 112, 114, 116 and 118; 212, 214, 216 and 218, 2) the sequential crushing 300 and 3) the support web 100, 200 integral with the fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218, generates an improved effect compared to the state of the art, thanks to a resonance phenomenon initiated at the attachment elements 112, 114, 116 and 118; 212, 214, 216 and 218 and propagated in vibratory mode at the support web 100, 200 via the thick sole of the web facing the fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218, leading to an amplification effect.
  • the closure according to the present invention makes it possible to generate a sound effect greater than that obtained with a conventional closure according to the state of the art.
  • sections of sections 102, 104, 202 and 204 located on the outside of the profiled fastening elements may comprise, on their internal surfaces or their external surfaces, ribs 101, 201 facilitating the manipulation of the closure.
  • Complementary closure profiles 110 and 210 have, before sequential crushing, a constant section along their length. They are preferably made by extrusion.
  • the geometry of the profiled fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218 may be the subject of many embodiments.
  • the embodiment of the figure 7 differs from the embodiment illustrated in the figure 6 in that the outermost hooking profile elements 112, 118 and 212, 218 are not arrow-shaped but hook-shaped, concave towards the center of the closure.
  • the embodiment of the figure 8 differs from the embodiment illustrated in the figure 7 in that there is provided an additional attachment element 119, 219 in the form of an arrow head in the center of each closure element, so that each closure element thus comprises 5 profiled fastening elements 112, 114, 119 , 116 and 118; 212, 214, 219, 216 and 218 equidistributed in width, in the form of a hook for the outermost elements and in the form of an arrowhead for the others.
  • the embodiment of the figure 9 differs from the embodiment illustrated in the figure 4 in that in a manner comparable to the figure 8 there is provided an additional hooking element 119, 219 in the form of an arrow head in the center of each closure element, so that each closure element comprises 5 profiled elements.
  • hooking device in the form of an arrow head 112, 114, 119, 116 and 118; 212, 214, 219, 216 and 218 equidistributed in width.
  • the embodiment illustrated on the figure 10 differs from the previously described embodiments in that the portion 150 of the support web located opposite the fastening profile elements 112, 114, 116 and 118; 212, 214, 216 and 218 has a curved shape, convex towards the outside of the closure.
  • the convex geometry of the central portion 150 of the support web, convex towards the outside, is also generally accompanied by an adjacent transition portion of the webs themselves 102, 104 and 202, 204 inversely concave towards the outside, as it is sees on figures 14 and 15 .
  • Co the convexly curved central part towards the outside
  • Ca the adjacent parts of the outwardly concave sails
  • the sections of the sails 102, 104 and 202, 204, outside these concave portions Ca are generally flat.
  • This convex geometry of the support veil reinforces the tactile and sound effect generated during the opening, and to a certain extent during the engagement, the closure.
  • the effect resulting from this bending is schematized on the figures 14 and 15 .
  • the various embodiments illustrated on the figures 4 and 7 to 10 in that the element A of the closure may be in accordance with any one of these embodiments while the other element B of the same closure is in accordance with another embodiment.
  • the closure device comprising the two closure profiles 110, 210 is made separately from a bag, then reported and fixed, for example by thermal welding, on films 500 constituting a bag.
  • the interface thus defined between the surface of the support webs 100, 200 and the surface facing the films 500 of the bag makes it possible to confine the vibrations generated by the sequential crushing during the opening, within the sails 100, 200 or at least to limit the propagation of these vibrations within the films 500, and thus to accentuate the tactile and sound effect vis-à-vis the state of the art.
  • the complementary profiles 110, 210 are sequentially crushed all along the closure with a crushing pitch preferably between 2 and 7.5 mm, for example of the order of 2.5mm.
  • the crushing means may be subject to different embodiments.
  • the figures 5 and 11 illustrate crushing zones 300 obtained on the tops of the fastening elements 112, 114, 116 and 118; 212, 214, 216 and 218 and covering the entire width I7 of the profiles, considered perpendicular to their direction of elongation.
  • the two elements A and B are subject to identical crushing and identical steps.
  • sequential crushing can be performed within the scope of the present invention, separately on each individual element A and B of the closure. It has thus been represented on the figure 12 the crimping of the profiled fastening elements using a notched wheel 400 with peripheral protuberances 410 at the desired pitch of the sequential crushings 300, biasing one side of the closure device, preferably on the side of the profiled elements of FIG. hooking and a simple support roll 420 located on the opposite side, preferably on the outer face of the support webs.
  • the wheel 400 and support roller 420 are guided or rotated about axes of respective rotations 402, 422 parallel to each other and to the support webs and perpendicular to the direction of movement of the closure by any appropriate means.
  • sequential crushing can be performed within the context of the present invention, simultaneously on the two elements A and B of the closure when these elements A and B are engaged. It has thus been represented on the figure 13 the crimping of the fastening elements at the same time of the two elements A and B with the aid of two knuckles 400, 430 notched with peripheral protuberances 410, 434 at the desired pitch of the sequential crushings 300, located respectively on either side of the closure.
  • the wheel 400, 430 are guided or driven to rotate about axes of respective rotations 402, 432 parallel to each other and to the support webs and perpendicular to the direction of movement of the closure by any appropriate means.
  • This variant of the present invention makes it possible to obtain a significant sequential deformation of the two complementary profiles 110, 210, while guaranteeing their possibility of engagement and separation, insofar as the crushings 300 made are perfectly complementary, since these are made in closed position of the two profiles.
  • the notches provided on the rollers for crushing are advantageously of generally convex shape to avoid shearing the material crushed profiles, or even to avoid removing the material in these profiles during crushing.
  • the notches provided on the rollers are thus provided for crushing in the form of waves with continuous curvature evolution as seen for example on the figure 5 .
  • the Applicant has determined that this arrangement makes it possible to obtain a closure which, in the closed state, has sealing properties with regard to the fluids, whether they are gaseous or liquid, greater than those of the closures that conform to the state. of the technique.
  • the two wheels 400, 430 are preferably synchronized so that their respective protuberances simultaneously solicit the sections 110, 210 in crushing.
  • the sequential crushing is performed according to the present invention in the assembled position of the elements A and B, it is ensured that the cross sections of the fastening profiled elements, although deformed in widening, remain perfectly matched, complementary to a certain extent, and compatible for both closure, i.e., engagement, and opening, i.e. separation.
  • closure sections of constant section between two crushings 300 and thus the easy engagement of these sections between two crushings 300 allows by simply sliding between the fingers of a user to prolong the commitment obtained at the level of such sections of constant section to the deformed areas of crushing 300.
  • the reinforcement of the tactile sensation and the sound effect obtained thanks to the present invention results in particular from the transmission of vibrations to the support webs while confining these vibrations in the support webs.
  • the crushing is preferably carried out so that a widening in the direction of the width I7 of the profiles is obtained, at least equal to 5% of the original width I7, preferably greater than 10% of this width I7.
  • the crushing rollers 400, 430 and, if appropriate, the backing roll 420 may be heated in order to reinforce the deformation of the closure profiles by crushing and to ensure the sequential crushing position thereof.
  • sequential crushing can be performed with knobs at room temperature, but operating on a closure "softened", that is to say, deformed by a hot extrusion at the output thereof.
  • the figure 16 illustrates a bag according to the present invention. We see on the figure 16 a series of crushes spread over the length of the closure device.
  • the invention makes it possible to obtain a closure device that is remarkably watertight with respect to the state of the art.
  • a good seal is particularly obtained when the height of crushing is less than the total height of the profiles and more precisely still when the height of crushing is less than the height of the flared head 115.
  • the rod 113 of the profiles In fact thus preserves the rod 113 of the profiles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Slide Fasteners (AREA)
  • Making Paper Articles (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
EP13714269.1A 2012-04-03 2013-04-02 Dispositif de fermeture pour sachets ou équivalents ayant un effet tactile et sonore amélioré, sachet ainsi obtenu et procédé de réalisation Active EP2834159B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1253041A FR2988701B1 (fr) 2012-04-03 2012-04-03 Dispositif de fermeture pour sachets ou equivalents ayant un effet tactile et sonore ameliore, sachet ainsi obtenu et procede de realisation
PCT/EP2013/056938 WO2013150027A1 (fr) 2012-04-03 2013-04-02 Dispositif de fermeture pour sachets ou équivalents ayant un effet tactile et sonore amélioré, sachet ainsi obtenu et procédé de réalisation

Publications (2)

Publication Number Publication Date
EP2834159A1 EP2834159A1 (fr) 2015-02-11
EP2834159B1 true EP2834159B1 (fr) 2016-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13714269.1A Active EP2834159B1 (fr) 2012-04-03 2013-04-02 Dispositif de fermeture pour sachets ou équivalents ayant un effet tactile et sonore amélioré, sachet ainsi obtenu et procédé de réalisation

Country Status (9)

Country Link
US (1) US9981780B2 (ru)
EP (1) EP2834159B1 (ru)
JP (1) JP6039055B2 (ru)
CN (1) CN104520204B (ru)
AU (1) AU2013244983B2 (ru)
ES (1) ES2577953T3 (ru)
FR (1) FR2988701B1 (ru)
RU (1) RU2619014C2 (ru)
WO (1) WO2013150027A1 (ru)

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Also Published As

Publication number Publication date
AU2013244983B2 (en) 2017-08-10
US9981780B2 (en) 2018-05-29
EP2834159A1 (fr) 2015-02-11
RU2014144413A (ru) 2016-05-27
JP6039055B2 (ja) 2016-12-07
AU2013244983A1 (en) 2014-11-20
CN104520204A (zh) 2015-04-15
ES2577953T3 (es) 2016-07-19
FR2988701B1 (fr) 2014-04-11
CN104520204B (zh) 2016-11-23
US20150067993A1 (en) 2015-03-12
RU2619014C2 (ru) 2017-05-11
JP2015516923A (ja) 2015-06-18
FR2988701A1 (fr) 2013-10-04
WO2013150027A1 (fr) 2013-10-10

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