EP3393924A1 - Shutoff system for a container - Google Patents

Shutoff system for a container

Info

Publication number
EP3393924A1
EP3393924A1 EP16809094.2A EP16809094A EP3393924A1 EP 3393924 A1 EP3393924 A1 EP 3393924A1 EP 16809094 A EP16809094 A EP 16809094A EP 3393924 A1 EP3393924 A1 EP 3393924A1
Authority
EP
European Patent Office
Prior art keywords
retaining
neck portion
tamper
ring
annular
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
EP16809094.2A
Other languages
German (de)
French (fr)
Other versions
EP3393924B1 (en
Inventor
Israel Komet
Alain Roulle
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.)
Svalinn Cap Systems AG
Original Assignee
Svalinn Cap Systems AG
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 Svalinn Cap Systems AG filed Critical Svalinn Cap Systems AG
Publication of EP3393924A1 publication Critical patent/EP3393924A1/en
Application granted granted Critical
Publication of EP3393924B1 publication Critical patent/EP3393924B1/en
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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • B65D41/3433—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges with drive means between closure and tamper element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/20—Frangible elements completely enclosed in closure skirt
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/25—Non-metallic tear-off strips
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the present invention relates to a closure system for a container.
  • Such a shutter system comprises, in a known manner:
  • the neck member for attachment to the container, the neck member comprising a neck portion having a retaining collar provided with an abutment surface,
  • the stopper comprising a closure wall and a fixing skirt
  • a tamper-evident ring connected to the fixing skirt by a plurality of frangible elements, the tamper-evident ring comprising a plurality of flexible retaining elements configured to abut against the abutment surface of the retaining collar during unscrewing the sealing plug.
  • Such a configuration of the retaining flange and the retaining elements makes it possible, during the unscrewing of the closure cap, to immobilize the tamper-evident ring and thus to cause a rupture of the frangible elements connecting the fastening skirt and the ring. inviolability. Such rupture of the frangible elements ensures easy viewing of any prior opening of a container equipped with the aforementioned shutter system.
  • the tamperproof ring is likely to fall by gravity into a container in which is intended to be poured the contents of the container equipped with the sealing system, and therefore to be ingested by the consumer.
  • the present invention aims to remedy this disadvantage.
  • the technical problem underlying the invention therefore consists in providing a closure system for a container which is of simple and economical structure, while ensuring reliable retention of the tamper-evident ring on the neck portion.
  • the present invention relates to a closure system for a container, comprising:
  • the neck member for attachment to the container, the neck member comprising a neck portion provided with a retaining collar which is flexible,
  • the closure cap intended to be screwed onto the neck portion
  • the closure cap comprising a closure wall and a fixing skirt, and a tamper-evident ring connected to the fixing skirt by a plurality of frangible elements
  • the tamper-evident ring comprising at least one flexible retaining element, for example configured to cooperate with the retaining collar, the collar part and the tamper evident ring being configured such that, when the closure cap is attached to the neck portion and at least until breakage of the frangible elements, the retaining collar defines an annular attachment housing, and the at least one flexible retaining member is configured to be received at least in part and to catch in the annular latching housing,
  • the retaining flange is configured to extend at least partially between the fixing skirt and the tamper-evident ring during the first re-screwing of the closure plug on the neck portion after rupture of the frangible elements.
  • Such a configuration of the retaining collar makes it possible, when the first opening of a container equipped with the closure system according to the invention, to insert the at least one flexible retaining element in the attachment housing. and a catch between the retaining flange and the at least retaining element.
  • Such attachment prevents any risk of accidental removal of the tamper-evident ring, and thus ensures reliable retention of the tamper-evident ring on the neck portion.
  • the shutter system may further have one or more of the following features, taken alone or in combination.
  • the tamperproof ring is intended to be mounted on the neck portion.
  • the neck portion and the tamper-proof ring are configured such that the retaining flange defines an annular attachment housing at least until the first screwing of the closure cap on the neck part after rupture of the frangible elements.
  • the retaining collar is deformable, for example elastically or plastically, between an initial position in which the retaining flange extends substantially radially relative to an extension axis of the neck portion, and a retaining position in which the retaining flange is curved and delimits the annular attachment housing.
  • the tamperproof ring is configured to deform and hold the retaining flange in its retaining position at least until the rupture of the frangible elements, and for example at least up to the first one. screwing the closure cap on the neck portion after rupture of the frangible elements.
  • the tamperproof ring is configured to extend around the retaining flange at least until breakage of the frangible elements, and for example at least until the first screwing of the cap shutter on the neck portion after rupture of the frangible elements.
  • the retaining collar comprises a hooking surface configured to define the attachment housing.
  • the hooking surface is curved at least until breakage of the frangible elements.
  • the at least one flexible retaining element has a first surface configured to cooperate with the outer surface of the neck portion, and a second surface opposed to the first surface and configured to cooperate with the attachment surface of the retaining collar.
  • the peripheral edge of the retaining flange is configured to delimit, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, an opening insertion path opening into the annular latching housing, the at least one flexible retaining member being configured to extend through the insertion opening.
  • the insertion opening is oriented opposite the closure cap.
  • the tamper-evident ring comprises an annular portion connected to the fixing skirt by the frangible elements, the retaining flange having an outside diameter greater than the inside diameter of the annular portion.
  • the annular portion is advantageously configured to extend, when the closure cap is attached to the neck portion and at least until a rupture of the frangible elements, around the retaining collar.
  • the peripheral edge of the retaining flange is located facing the inner surface of the annular portion at least until breaking frangible elements.
  • the retaining flange is configured to exert, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, a radial force against the ring inviolability.
  • the neck portion comprises an abutment surface against which is able to bear the tamper-evident ring after rupture of the frangible elements, the distance between the retaining collar in its initial position and the abutment surface being greater than the width of the tamper-evident ring.
  • the at least one flexible retaining element comprises an end portion adapted to be received in the annular attachment housing.
  • the at least one flexible retaining element extends from the annular portion of the tamper-evident ring.
  • the radial dimension of the retaining collar is greater than the axial dimension of the retaining flange.
  • the width of the retaining flange is greater than the thickness of the retaining flange.
  • the retaining flange is configured such that, when the closure cap is attached to the neck portion and at least until a rupture of the frangible elements, the peripheral edge of the the retaining flange is offset axially with respect to the junction area between the retaining flange and the outer surface of the neck portion.
  • the at least one flexible retaining element is a flexible retaining flap.
  • the tamper-evident ring comprises a plurality of flexible retaining elements distributed over its inner periphery.
  • the retaining elements are regularly distributed over the inner periphery of the tamper-evident ring.
  • the tamper-evident ring comprises at least a first driving element extending in the direction of the fixing skirt
  • the closure cap comprises at least a second driving element. extending towards the tamper-evident ring, the at least one second driving element being configured to cooperate with the at least one first driving element, during the first re-screwing of the sealing plug on the neck portion after rupture of the frangible elements, so as to move the tamper-evident ring away from the fixing skirt and to provide at least one opening viewing space between the fixing skirt and the tamper-evident ring.
  • the at least one first driving element extends from an upper edge of the annular portion of the tamper-evident ring, and the at least one second element The drive extends from a lower edge of the attachment skirt.
  • the at least one first driving element comprises a first cam surface
  • the at least one second driving element comprises a second camming surface configured to cooperate with the first camming element. cam surface so as to solicit, during the first screwing of the closure cap on the neck portion after rupture of the frangible elements, the tamper-proof ring at a distance from the fixing skirt.
  • the second cam surface is configured to cooperate with the first cam surface so as to solicit, during the first screwing of the closure cap on the neck portion after rupture of the frangible elements, the annular portion of the tamperproof ring at a distance from the fastening skirt.
  • the second cam surface is substantially complementary to the first cam surface.
  • the at least one first driving element and the at least one second driving element each have a general shape of wave or wave.
  • the tamper-evident ring comprises a plurality of first drive elements distributed along the upper edge of the annular portion, and the blanking plug comprises a plurality of second driving elements. distributed along the lower edge of the fixing skirt.
  • the retaining flange is configured to extend at least partially in the at least one opening viewing space.
  • the closure cap comprises an annular sealing lip intended to cooperate with an inner surface of the neck portion.
  • the neck portion comprises at least one external fixing element
  • the fixing skirt comprises at least one inner fixing element configured to cooperate with the at least one external fastening element provided on the neck part.
  • the at least one external fixing element is an external thread.
  • the at least one internal fastening element is an internal thread.
  • the tamperproof ring and more precisely the annular portion, is located in the extension of the fixing skirt.
  • the at least one retaining element is deformable, for example elastically or plastically, between an initial position in which the at least one retaining element is facing away from the plug. shutter, and an attachment position in which the at least one retaining element is oriented towards the closure cap.
  • the neck member comprises a fastening portion integral with the neck portion and intended to be fixed on the container.
  • the retaining flange is disposed between the at least one external fixing element and the fixing part.
  • the insertion opening is oriented towards the fixing portion.
  • the retaining flange has, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, substantially a form of umbrella.
  • the closure cap and the tamper-proof ring are made by injection molding.
  • the neck portion comprises an annular abutment element, such as an annular abutment rib, against which the at least one flexible retaining element is configured to abut during the first unscrewing the sealing plug.
  • annular abutment element such as an annular abutment rib
  • the annular abutment element is configured to extend into the annular attachment housing.
  • the stop element is disposed near the junction zone between the retaining flange and the outer surface of the neck portion.
  • the stop element is formed on the outer surface of the neck portion.
  • Figure 1 is a perspective view of a closure system according to a first embodiment of the invention.
  • Figure 2 is a perspective view of the closure system of Figure 1 in the assembled state.
  • Figure 3 is a perspective view from below of a closure cap and a tamper-proof ring of the closure system of Figure 1.
  • Figure 4 is a perspective view, in section, of the closure system of Figure 1 in the assembled state.
  • Figure 5 is an enlarged view of a detail of Figure 4.
  • Figure 6 is a perspective view, partially cut away, of the closure system of Figure 1 showing the closure plug during unscrewing but before rupture of frangible elements connecting the closure cap and the tamper-evident ring.
  • Figure 7 is a perspective view, partially cut away, of the closure system of Figure 1 showing the closure cap during unscrewing and after breaking frangible elements.
  • Figure 8 is a perspective view of the closure system of Figure 1 showing the closure cap screwed onto a neck portion of the closure system.
  • FIG. 9 is a partial perspective view, partially cut away, of the closure system of FIG. 1 showing the tamperproof ring in the same position as that represented in FIG.
  • Figure 10 is a perspective view of a closure system according to a second embodiment of the invention, showing the closure cap screwed onto a neck portion of the closure system.
  • Figures 1 to 9 show a closure system 2 for a container, such as a packaging brick or a packaging bunling, according to a first embodiment of the invention.
  • the closure system 2 comprises a neck member 3 intended to be fixed on the container.
  • the neck member 3 is in one piece, and is made of plastic material by injection molding.
  • the neck member 3 comprises a tubular neck portion 4 extending along an extension axis A, and a fastening portion 5 integral with the neck portion 4, and intended to be fixed, for example by ultrasonic welding, on the container.
  • the fixing portion 5 is annular and extends substantially radially with respect to the extension axis A of the neck portion 4.
  • the neck portion 4 comprises, on its outer surface, an external thread 6 and a retaining collar 7.
  • the retaining flange 7 is annular and flexible, and is advantageously disposed between the external thread 6 and the fixing portion 5.
  • the retaining flange 7 comprises a first annular surface 8 facing the external thread 6, and a second annular surface 9 opposite the first annular surface 8 and facing towards the fixing portion 5.
  • the retaining flange 7 is more particularly deformable, for example elastically or plastically, between an initial position, called rest position, (shown in FIG. 1) in which the retaining flange 7 extends radially with respect to the axis d extension A of the neck portion 4, and a retaining position (shown in Figure 4) in which the retaining flange 7 is curved and the second annular surface 9 defines an annular attachment housing 11.
  • the peripheral edge 12 of the retaining collar 7 is offset axially from the junction zone between the retaining flange 7 and the outer surface of the retaining flange 7. the neck portion 4, towards the fixing portion 5.
  • the peripheral edge 12 defines an insertion opening 13 opening into the latching housing 11 and oriented towards the fixing portion 5.
  • the closure system 2 also comprises a closure cap 14 intended to be removably attached to the neck portion 4.
  • the closure cap 14 comprises a closure wall 15 and a fixing skirt 16 extending from the closure wall 15.
  • the attachment skirt 16 has, on its inner surface, an internal thread 17 configured to cooperate with the external thread 6 of the neck portion 4.
  • the closure cap 14 also comprises an annular sealing lip 18 intended to cooperate with the inner surface of the neck portion 4.
  • the closure system 2 further comprises a tamperproof ring 19 comprising an annular portion 21 located in the extension of the fastening skirt 16.
  • the annular portion 21 is connected to the fastening skirt 16 by a plurality of frangible bridges 22 distributed along the upper edge of the annular portion 21.
  • the closure cap 14, the tamperproof ring 19 and the frangible bridges 22 are advantageously made simultaneously by injection molding.
  • the annular portion 21 has an inside diameter smaller than the outside diameter of the retaining collar 7.
  • the tamperproof ring 19 also comprises a plurality of flexible retaining flaps 23 distributed circumferentially on the inner surface of the annular portion 21 of the tamperproof ring 19, and configured to cooperate with the second annular surface 9 of the retaining flange. 7.
  • Each retaining flap 23 is deformable, for example elastically or plastically, between an initial position, said rest position (see Figure 3) in which each retaining flap 23 is oriented opposite the closure plug 14 , and a hooking position (see Figure 4) in which each retaining flap 23 is oriented towards the closure plug 14 and is adapted to extend through the insertion opening 13 and to be received at least partly in the latching housing 11.
  • Each retaining flap 23 is more particularly adapted to hang, in the position of use, the retaining collar 7.
  • the tamperproof ring 19 and the retaining flange 7 are configured such that, when the tamperproof ring 19 is mounted on the neck portion 4, on the one hand the annular portion 21 extends around the collar 7, and deforms and maintains the retaining flange 7 in its retaining position, and secondly the retaining flaps 23 are deformed in their attachment position.
  • the retaining flange 7 exerts a radial force against the tamperproof ring 19, and more particularly against the inner surface of the annular portion 21.
  • the tamperproof ring 19 further comprises at least one driving element 24 extending from an upper edge of the annular portion 21 and in the direction of the fastening skirt.
  • the closure plug 14 further comprises at least one drive member 25 extending from a lower edge of the attachment skirt 16 and towards the tamper-proof collar 19.
  • the driving element 24 comprises a cam surface 26, and the driving element 25 comprises a cam surface 27 substantially complementary to the cam surface 25 and configured to cooperate. with the latter, during the first screwing of the closure cap 14 on the neck portion 4 after the rupture of the frangible elements 22 and the first opening of the container equipped with the closure system 2, so as to move the annular portion 21 of the tamperproof ring 19 at a distance from the fixing skirt 16 and the retaining flange 7 (see FIG. 8).
  • each driving element 24, 25 has a general wave or wave shape.
  • the tamper ring 19 could have a plurality of drive elements 24 distributed along the upper edge of the annular portion 21, and the blanking plug 14 could comprise a plurality of elements. 25 distributed along the lower edge of the fastening skirt 16.
  • any drive in rotation of the closure plug 14 in the unscrewing direction causes a rupture of the frangible bridges 22, and therefore a separation of the tamperproof ring 19 and the fastening skirt 14, as shown in FIG. 7.
  • the tamperproof ring 19 is held in its position shown in FIG. makes the radial force exerted by the retaining flange 7 against the inner surface of the annular portion 21.
  • the fixing skirt 16 When the closure cap 14 is repositioned on the neck portion 4, and is rotated in a screwing direction, the fixing skirt 16 progressively approaches the tamperproof ring 19 until the cam 27 of the driving element 25 cooperates with the cam surface 26 of the driving element 24 and moves the tamperproof ring 19 towards the fixing portion 5 and at a distance from the fixing skirt 16 At the end of screwing of the closure cap 14, the tamperproof ring 19 reaches the position shown in FIG. 8, and at least one opening viewing space 28 is formed between the fixing skirt 16 and the locking ring. 19.
  • the configuration of the drive elements 24, 25 thus makes it easy to visualize any prior opening of a container equipped with the closure system 2 according to the invention.
  • the tamperproof ring 19 is held in its position shown in FIG. 8, because of the radial force exerted by the retaining collar 7 against the inner surface of the annular portion 21.
  • the neck portion 4 could further comprise an annular abutment element 29, such as an annular abutment rib, formed on the outer surface of the neck portion 4 and near the junction zone between the retaining flange 7 and the outer surface of the neck portion 4, and configured to extend into the latching housing 11.
  • an annular abutment element 29 such as an annular abutment rib, formed on the outer surface of the neck portion 4 and near the junction zone between the retaining flange 7 and the outer surface of the neck portion 4, and configured to extend into the latching housing 11.
  • the flexible retaining flaps 23, and more particularly the free ends of the flexible retaining flaps 23, are configured to abut against the annular abutment element 29 during the first unscrewing of the closure cap 14.
  • FIG. 10 represents an opening system 2 according to a second embodiment of the invention which differs from the first embodiment shown in FIGS. 1 to 9 essentially in that the retaining flange 7 is configured to deform elastically and extend at least partly between the fastening skirt 16 and the tamperproof ring 19, during the first screwing of the closure cap 14 on the neck portion 4 after breakage of the frangible elements 22, and more particularly after a displacement of the tamperproof ring 19 to distance from the attachment skirt 16 induced by the engagement of the cam surfaces 26, 27. Specifically, the retaining flange 7 is configured to extend into the at least one opening viewing space 28 during the first screwing. the closure cap 14 on the neck portion 4. These arrangements make it possible to ensure easy viewing of a prior opening of a container equipped with the closure system 2 according to the second embodiment of the invention.
  • the retaining collar 7 is configured to define the annular engagement housing 11 at least until rupture of the frangible elements 22, and more particularly until the first screwing of the plug.
  • shutter 14 on the neck portion 4 after breakage of the frangible elements 22, and the tamperproof ring 19 is configured to deform and maintain the retaining collar 7 in its retaining position at least until rupture of the frangible elements 22 , and more particularly until the first screwing of the closure cap 14 on the neck portion 4 after rupture of the frangible elements 22.
  • a portion of the retaining flange 7 may possibly be further surrounded by the tamperproof ring 19, and thus exert a force on the tamperproof ring 19 to keep it in position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

A shutoff system (2) comprises a neck element (3) that is intended to be fastened to the container and comprises a neck part (4) provided with a retaining collar (7); a cap (14) that is to be screwed onto the neck part (4) and comprises a shutoff wall (15) and a fastening skirt (16); and a tamper-evident ring (19) that is connected to the fastening skirt (16) by breakable elements (22). The tamper-evident ring comprises flexible retaining elements (23) for engaging with the retaining collar. With the cap screwed on, the retaining collar (7) defines an annular coupling housing (11) in which the retaining elements can be received. The retaining collar can extend at least in part between the skirt (16) and the ring (19) when the cap is screwed back on after being opened for the first time.

Description

Système d'obturation pour récipient  Shutter system for containers
La présente invention concerne un système d'obturation pour récipient.The present invention relates to a closure system for a container.
Un tel système d'obturation comprend de façon connue : Such a shutter system comprises, in a known manner:
- un élément de col destiné à être fixé sur le récipient, l'élément de col comprenant une partie de col comportant une collerette de retenue pourvue d'une surface de butée,  a collar member for attachment to the container, the neck member comprising a neck portion having a retaining collar provided with an abutment surface,
- un bouchon d'obturation destiné à être fixé par vissage sur la partie de col, le bouchon comportant une paroi d'obturation et une jupe de fixation, et  a closure cap intended to be fixed by screwing onto the neck portion, the stopper comprising a closure wall and a fixing skirt, and
- une bague d'inviolabilité reliée à la jupe de fixation par une pluralité d'éléments frangibles, la bague d'inviolabilité comprenant une pluralité d'éléments de retenue flexibles configurés pour venir en butée contre la surface de butée de la collerette de retenue lors d'un dévissage du bouchon d'obturation.  a tamper-evident ring connected to the fixing skirt by a plurality of frangible elements, the tamper-evident ring comprising a plurality of flexible retaining elements configured to abut against the abutment surface of the retaining collar during unscrewing the sealing plug.
Une telle configuration de la collerette de retenue et des éléments de retenue permet, lors du dévissage du bouchon d'obturation, d'immobiliser la bague d'inviolabilité et donc de provoquer une rupture des éléments frangibles reliant la jupe de fixation et la bague d'inviolabilité. Une telle rupture des éléments frangibles assure une visualisation aisée de toute ouverture préalable d'un récipient équipé du système d'obturation précité.  Such a configuration of the retaining flange and the retaining elements makes it possible, during the unscrewing of the closure cap, to immobilize the tamper-evident ring and thus to cause a rupture of the frangible elements connecting the fastening skirt and the ring. inviolability. Such rupture of the frangible elements ensures easy viewing of any prior opening of a container equipped with the aforementioned shutter system.
Toutefois, compte tenu de la flexibilité des éléments de retenue, dans de rares cas, ces derniers peuvent se déformer élastiquement et contourner la collerette de retenue lors d'un dévissage du bouchon d'obturation. Dans de tels cas, la bague d'inviolabilité est susceptible de chuter par gravité dans un conteneur dans lequel est destiné à être versé le contenu du récipient équipé du système d'obturation, et donc d'être ingérer par le consommateur.  However, given the flexibility of the retaining elements, in rare cases, the latter can deform elastically and bypass the retaining collar during unscrewing of the closure cap. In such cases, the tamperproof ring is likely to fall by gravity into a container in which is intended to be poured the contents of the container equipped with the sealing system, and therefore to be ingested by the consumer.
La présente invention vise à remédier à cet inconvénient.  The present invention aims to remedy this disadvantage.
Le problème technique à la base de l'invention consiste donc à fournir un système d'obturation pour récipient qui soit de structure simple et économique, tout en assurant une retenue fiable de la bague d'inviolabilité sur la partie de col.  The technical problem underlying the invention therefore consists in providing a closure system for a container which is of simple and economical structure, while ensuring reliable retention of the tamper-evident ring on the neck portion.
A cet effet, la présente invention concerne un système d'obturation pour récipient, comprenant :  For this purpose, the present invention relates to a closure system for a container, comprising:
- un élément de col destiné à être fixé sur le récipient, l'élément de col comprenant une partie de col pourvue d'une collerette de retenue qui est flexible,  a neck member for attachment to the container, the neck member comprising a neck portion provided with a retaining collar which is flexible,
- un bouchon d'obturation destiné à être vissé sur la partie de col, le bouchon d'obturation comportant une paroi d'obturation et une jupe de fixation, et - une bague d'inviolabilité reliée à la jupe de fixation par une pluralité d'éléments frangibles, la bague d'inviolabilité comprenant au moins un élément de retenue flexible, par exemple configuré pour coopérer avec la collerette de retenue, la partie de col et la bague d'inviolabilité étant configurées de telle sorte que, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, la collerette de retenue définit un logement d'accrochage annulaire, et l'au moins un élément de retenue flexible est configuré pour être reçu au moins en partie et s'accrocher dans le logement d'accrochage annulaire, a closure cap intended to be screwed onto the neck portion, the closure cap comprising a closure wall and a fixing skirt, and a tamper-evident ring connected to the fixing skirt by a plurality of frangible elements, the tamper-evident ring comprising at least one flexible retaining element, for example configured to cooperate with the retaining collar, the collar part and the tamper evident ring being configured such that, when the closure cap is attached to the neck portion and at least until breakage of the frangible elements, the retaining collar defines an annular attachment housing, and the at least one flexible retaining member is configured to be received at least in part and to catch in the annular latching housing,
caractérisé en ce que la collerette de retenue est configurée pour s'étendre au moins en partie entre la jupe de fixation et la bague d'inviolabilité lors du premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles.  characterized in that the retaining flange is configured to extend at least partially between the fixing skirt and the tamper-evident ring during the first re-screwing of the closure plug on the neck portion after rupture of the frangible elements.
Une telle configuration de la collerette de retenue permet d'assurer, lors de la première ouverture d'un récipient équipé du système d'obturation selon l'invention, une insertion de l'au moins élément de retenue flexible dans le logement d'accrochage et un accrochage entre la collerette de retenue et l'au moins élément de retenue. Un tel accrochage évite tout risque de retrait accidentel de la bague d'inviolabilité, et assure ainsi une retenue fiable de la bague d'inviolabilité sur la partie de col.  Such a configuration of the retaining collar makes it possible, when the first opening of a container equipped with the closure system according to the invention, to insert the at least one flexible retaining element in the attachment housing. and a catch between the retaining flange and the at least retaining element. Such attachment prevents any risk of accidental removal of the tamper-evident ring, and thus ensures reliable retention of the tamper-evident ring on the neck portion.
En outre, une telle extension de la collerette de retenue entre la jupe de fixation et la bague d'inviolabilité, lors du premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles, assure une visualisation aisée d'une ouverture préalable d'un récipient équipé du système d'obturation selon l'invention.  In addition, such an extension of the retaining flange between the fixing skirt and the tamper-proof ring, during the first screwing of the closure cap on the neck portion after rupture of the frangible elements, ensures easy visualization of a prior opening of a container equipped with the closure system according to the invention.
Le système d'obturation peut en outre présenter une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison.  The shutter system may further have one or more of the following features, taken alone or in combination.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité est destinée à être montée sur la partie de col.  According to one embodiment of the invention, the tamperproof ring is intended to be mounted on the neck portion.
Selon un mode de réalisation de l'invention, la partie de col et la bague d'inviolabilité sont configurées de telle sorte que la collerette de retenue définit un logement d'accrochage annulaire au moins jusqu'au premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles.  According to one embodiment of the invention, the neck portion and the tamper-proof ring are configured such that the retaining flange defines an annular attachment housing at least until the first screwing of the closure cap on the neck part after rupture of the frangible elements.
Selon un mode de réalisation de l'invention, la collerette de retenue est déformable, par exemple élastiquement ou plastiquement, entre une position initiale dans laquelle la collerette de retenue s'étend sensiblement radialement par rapport à un axe d'extension de la partie de col, et une position de retenue dans laquelle la collerette de retenue est courbée et délimite le logement d'accrochage annulaire. According to one embodiment of the invention, the retaining collar is deformable, for example elastically or plastically, between an initial position in which the retaining flange extends substantially radially relative to an extension axis of the neck portion, and a retaining position in which the retaining flange is curved and delimits the annular attachment housing.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité est configurée pour déformer et maintenir la collerette de retenue dans sa position de retenue au moins jusqu'à la rupture des éléments frangibles, et par exemple au moins jusqu'au premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles.  According to one embodiment of the invention, the tamperproof ring is configured to deform and hold the retaining flange in its retaining position at least until the rupture of the frangible elements, and for example at least up to the first one. screwing the closure cap on the neck portion after rupture of the frangible elements.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité est configurée pour s'étendre autour de la collerette de retenue au moins jusqu'à la rupture des éléments frangibles, et par exemple au moins jusqu'au premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles.  According to one embodiment of the invention, the tamperproof ring is configured to extend around the retaining flange at least until breakage of the frangible elements, and for example at least until the first screwing of the cap shutter on the neck portion after rupture of the frangible elements.
Selon un mode de réalisation de l'invention, la collerette de retenue comprend une surface d'accrochage configurée pour définir le logement d'accrochage. Avantageusement, la surface d'accrochage est courbée au moins jusqu'à la rupture des éléments frangibles.  According to one embodiment of the invention, the retaining collar comprises a hooking surface configured to define the attachment housing. Advantageously, the hooking surface is curved at least until breakage of the frangible elements.
Selon un mode de réalisation de l'invention, l'au moins un élément de retenue flexible présente une première surface configurée pour coopérer avec la surface extérieure de la partie de col, et une deuxième surface opposée à la première surface et configurée pour coopérer avec la surface d'accrochage de la collerette de retenue.  According to one embodiment of the invention, the at least one flexible retaining element has a first surface configured to cooperate with the outer surface of the neck portion, and a second surface opposed to the first surface and configured to cooperate with the attachment surface of the retaining collar.
Selon un mode de réalisation de l'invention, le bord périphérique de la collerette de retenue est configuré pour délimiter, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, une ouverture d'insertion débouchant dans le logement d'accrochage annulaire, l'au moins un élément de retenue flexible étant configuré pour s'étendre à travers l'ouverture d'insertion.  According to one embodiment of the invention, the peripheral edge of the retaining flange is configured to delimit, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, an opening insertion path opening into the annular latching housing, the at least one flexible retaining member being configured to extend through the insertion opening.
Selon un mode de réalisation de l'invention, l'ouverture d'insertion est orientée à l'opposé du bouchon d'obturation.  According to one embodiment of the invention, the insertion opening is oriented opposite the closure cap.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité comprend une partie annulaire reliée à la jupe de fixation par les éléments frangibles, la collerette de retenue présentant un diamètre extérieur supérieur au diamètre intérieur de la partie annulaire.  According to one embodiment of the invention, the tamper-evident ring comprises an annular portion connected to the fixing skirt by the frangible elements, the retaining flange having an outside diameter greater than the inside diameter of the annular portion.
La partie annulaire est avantageusement configurée pour s'étendre, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, autour de la collerette de retenue. Selon un mode de réalisation de l'invention, le bord périphérique de la collerette de retenue est situé en regard de la surface intérieure de la partie annulaire au moins jusqu'à la rupture des éléments frangibles. The annular portion is advantageously configured to extend, when the closure cap is attached to the neck portion and at least until a rupture of the frangible elements, around the retaining collar. According to one embodiment of the invention, the peripheral edge of the retaining flange is located facing the inner surface of the annular portion at least until breaking frangible elements.
Selon un mode de réalisation de l'invention, la collerette de retenue est configurée pour exercer, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, un effort radial contre la bague d'inviolabilité.  According to one embodiment of the invention, the retaining flange is configured to exert, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, a radial force against the ring inviolability.
Selon un mode de réalisation de l'invention, la partie de col comprend une surface de butée contre laquelle est apte à prendre appui la bague d'inviolabilité après rupture des éléments frangibles, la distance entre la collerette de retenue dans sa position initiale et la surface de butée étant supérieure à la largeur de la bague d'inviolabilité.  According to one embodiment of the invention, the neck portion comprises an abutment surface against which is able to bear the tamper-evident ring after rupture of the frangible elements, the distance between the retaining collar in its initial position and the abutment surface being greater than the width of the tamper-evident ring.
Selon un mode de réalisation de l'invention, l'au moins un élément de retenue flexible comprend une portion d'extrémité apte à être reçue dans le logement d'accrochage annulaire.  According to one embodiment of the invention, the at least one flexible retaining element comprises an end portion adapted to be received in the annular attachment housing.
Selon un mode de réalisation de l'invention, l'au moins un élément de retenue flexible s'étend à partir de la partie annulaire de la bague d'inviolabilité.  According to one embodiment of the invention, the at least one flexible retaining element extends from the annular portion of the tamper-evident ring.
Selon un mode de réalisation de l'invention, la dimension radiale de la collerette de retenue est supérieure la dimension axiale de la collerette de retenue. En d'autres termes, la largeur de la collerette de retenue est supérieure l'épaisseur de la collerette de retenue.  According to one embodiment of the invention, the radial dimension of the retaining collar is greater than the axial dimension of the retaining flange. In other words, the width of the retaining flange is greater than the thickness of the retaining flange.
Selon un mode de réalisation de l'invention, la collerette de retenue est configurée de telle sorte que, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, le bord périphérique de la collerette de retenue est décalé axialement par rapport à la zone de jonction entre la collerette de retenue et la surface extérieure de la partie de col.  According to one embodiment of the invention, the retaining flange is configured such that, when the closure cap is attached to the neck portion and at least until a rupture of the frangible elements, the peripheral edge of the the retaining flange is offset axially with respect to the junction area between the retaining flange and the outer surface of the neck portion.
Selon un mode de réalisation de l'invention, l'au moins un élément de retenue flexible est un rabat de retenue flexible.  According to one embodiment of the invention, the at least one flexible retaining element is a flexible retaining flap.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité comprend une pluralité d'éléments de retenue flexibles répartis sur son pourtour intérieur. Avantageusement, les éléments de retenue sont régulièrement répartis sur le pourtour intérieur de la bague d'inviolabilité.  According to one embodiment of the invention, the tamper-evident ring comprises a plurality of flexible retaining elements distributed over its inner periphery. Advantageously, the retaining elements are regularly distributed over the inner periphery of the tamper-evident ring.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité comprend au moins un premier élément d'entraînement s'étendant en direction de la jupe de fixation, et le bouchon d'obturation comprend au moins un deuxième élément d'entraînement s'étendant en direction de la bague d'inviolabilité, l'au moins un deuxième élément d'entraînement étant configuré pour coopérer avec l'au moins un premier élément d'entraînement, lors du premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles, de manière à déplacer la bague d'inviolabilité à distance de la jupe de fixation et à ménager au moins un espace de visualisation d'ouverture entre la jupe de fixation et la bague d'inviolabilité. According to one embodiment of the invention, the tamper-evident ring comprises at least a first driving element extending in the direction of the fixing skirt, and the closure cap comprises at least a second driving element. extending towards the tamper-evident ring, the at least one second driving element being configured to cooperate with the at least one first driving element, during the first re-screwing of the sealing plug on the neck portion after rupture of the frangible elements, so as to move the tamper-evident ring away from the fixing skirt and to provide at least one opening viewing space between the fixing skirt and the tamper-evident ring.
Selon un mode de réalisation de l'invention, l'au moins un premier élément d'entraînement s'étend à partir d'un bord supérieur de la partie annulaire de la bague d'inviolabilité, et l'au moins un deuxième élément d'entraînement s'étend à partir d'un bord inférieur de la jupe de fixation.  According to one embodiment of the invention, the at least one first driving element extends from an upper edge of the annular portion of the tamper-evident ring, and the at least one second element The drive extends from a lower edge of the attachment skirt.
Selon un mode de réalisation de l'invention, l'au moins un premier élément d'entraînement comprend une première surface de came, et l'au moins un deuxième élément d'entraînement comprend une deuxième surface de came configurée pour coopérer avec la première surface de came de manière à solliciter, lors du premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles, la bague d'inviolabilité à distance de la jupe de fixation.  According to one embodiment of the invention, the at least one first driving element comprises a first cam surface, and the at least one second driving element comprises a second camming surface configured to cooperate with the first camming element. cam surface so as to solicit, during the first screwing of the closure cap on the neck portion after rupture of the frangible elements, the tamper-proof ring at a distance from the fixing skirt.
Selon un mode de réalisation de l'invention, la deuxième surface de came est configurée pour coopérer avec la première surface de came de manière à solliciter, lors du premier revissage du bouchon d'obturation sur la partie de col après rupture des éléments frangibles, la partie annulaire de la bague d'inviolabilité à distance de la jupe de fixation.  According to one embodiment of the invention, the second cam surface is configured to cooperate with the first cam surface so as to solicit, during the first screwing of the closure cap on the neck portion after rupture of the frangible elements, the annular portion of the tamperproof ring at a distance from the fastening skirt.
Selon un mode de réalisation de l'invention, la deuxième surface de came est sensiblement complémentaire de la première surface de came.  According to one embodiment of the invention, the second cam surface is substantially complementary to the first cam surface.
Selon un mode de réalisation de l'invention, l'au moins un premier élément d'entraînement et l'au moins un deuxième élément d'entraînement présentent chacun une forme générale de vague ou d'ondulation.  According to one embodiment of the invention, the at least one first driving element and the at least one second driving element each have a general shape of wave or wave.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité comprend une pluralité de premiers éléments d'entraînement répartis le long du bord supérieur de la partie annulaire, et le bouchon d'obturation comprend une pluralité de deuxièmes éléments d'entraînement répartis le long du bord inférieur de la jupe de fixation.  According to one embodiment of the invention, the tamper-evident ring comprises a plurality of first drive elements distributed along the upper edge of the annular portion, and the blanking plug comprises a plurality of second driving elements. distributed along the lower edge of the fixing skirt.
Selon un mode de réalisation de l'invention, la collerette de retenue est configurée pour s'étendre au moins en partie dans l'au moins un espace de visualisation d'ouverture.  According to one embodiment of the invention, the retaining flange is configured to extend at least partially in the at least one opening viewing space.
Selon un mode de réalisation de l'invention, le bouchon d'obturation comprend une lèvre d'étanchéité annulaire destinée à coopérer avec une surface intérieure de la partie de col. Selon un mode de réalisation de l'invention, la partie de col comprend au moins un élément de fixation extérieur, et la jupe de fixation comprend au moins un élément de fixation intérieur configuré pour coopérer avec l'au moins un élément de fixation extérieur prévu sur la partie de col. According to one embodiment of the invention, the closure cap comprises an annular sealing lip intended to cooperate with an inner surface of the neck portion. According to one embodiment of the invention, the neck portion comprises at least one external fixing element, and the fixing skirt comprises at least one inner fixing element configured to cooperate with the at least one external fastening element provided on the neck part.
Selon un mode de réalisation de l'invention, l'au moins un élément de fixation extérieur est un filetage extérieur.  According to one embodiment of the invention, the at least one external fixing element is an external thread.
Selon un mode de réalisation de l'invention, l'au moins un élément de fixation intérieur est un filetage intérieur.  According to one embodiment of the invention, the at least one internal fastening element is an internal thread.
Selon un mode de réalisation de l'invention, la bague d'inviolabilité, et plus précisément la partie annulaire, est située dans le prolongement de la jupe de fixation.  According to one embodiment of the invention, the tamperproof ring, and more precisely the annular portion, is located in the extension of the fixing skirt.
Selon un mode de réalisation de l'invention, l'au moins un élément de retenue est déformable, par exemple élastiquement ou plastiquement, entre une position initiale dans laquelle l'au moins un élément de retenue est orienté à l'opposé du bouchon d'obturation, et une position d'accrochage dans laquelle l'au moins un élément de retenue est orienté en direction du bouchon d'obturation.  According to one embodiment of the invention, the at least one retaining element is deformable, for example elastically or plastically, between an initial position in which the at least one retaining element is facing away from the plug. shutter, and an attachment position in which the at least one retaining element is oriented towards the closure cap.
Selon un mode de réalisation de l'invention, l'élément de col comprend une partie de fixation solidaire de la partie de col et destinée à être fixée sur le récipient.  According to one embodiment of the invention, the neck member comprises a fastening portion integral with the neck portion and intended to be fixed on the container.
Selon un mode de réalisation de l'invention, la collerette de retenue est disposée entre l'au moins élément de fixation extérieur et la partie de fixation.  According to one embodiment of the invention, the retaining flange is disposed between the at least one external fixing element and the fixing part.
Selon un mode de réalisation de l'invention, l'ouverture d'insertion est orientée en direction de la partie de fixation.  According to one embodiment of the invention, the insertion opening is oriented towards the fixing portion.
Selon un mode de réalisation de l'invention, la collerette de retenue présente, lorsque le bouchon d'obturation est fixé sur la partie de col et au moins jusqu'à une rupture des éléments frangibles, sensiblement une forme d'ombrelle.  According to one embodiment of the invention, the retaining flange has, when the closure cap is attached to the neck portion and at least to a rupture of the frangible elements, substantially a form of umbrella.
Selon un mode de réalisation de l'invention, le bouchon d'obturation et la bague d'inviolabilité sont réalisés par moulage par injection.  According to one embodiment of the invention, the closure cap and the tamper-proof ring are made by injection molding.
Selon un mode de réalisation de l'invention, la partie de col comporte un élément de butée annulaire, tel qu'une nervure de butée annulaire, contre lequel l'au moins un élément de retenue flexible est configuré pour venir en butée lors du premier dévissage du bouchon d'obturation. Ces dispositions permettent de limiter la course de déplacement de la bague d'inviolabilité lors du premier dévissage du bouchon d'obturation, qui serait plus importante en l'absence d'un tel élément de butée du fait de la flexibilité de la collerette de retenue, et donc d'assurer une étanchéité du système d'obturation au moins jusqu'à la rupture des éléments frangibles. According to one embodiment of the invention, the neck portion comprises an annular abutment element, such as an annular abutment rib, against which the at least one flexible retaining element is configured to abut during the first unscrewing the sealing plug. These provisions make it possible to limit the displacement travel of the tamper-proof ring during the first unscrewing of the closure plug, which would be greater in the absence of such a stop element because of the flexibility of the retaining flange. , and thus to ensure sealing of the sealing system at least until breakage of frangible elements.
Selon un mode de réalisation de l'invention, l'élément de butée annulaire est configuré pour s'étendre dans le logement d'accrochage annulaire.  According to one embodiment of the invention, the annular abutment element is configured to extend into the annular attachment housing.
Selon un mode de réalisation de l'invention, l'élément de butée est disposé à proximité de la zone de jonction entre la collerette de retenue et la surface extérieure de la partie de col.  According to one embodiment of the invention, the stop element is disposed near the junction zone between the retaining flange and the outer surface of the neck portion.
Selon un mode de réalisation de l'invention, l'élément de butée est ménagé sur la surface extérieure de la partie de col.  According to one embodiment of the invention, the stop element is formed on the outer surface of the neck portion.
De toute façon l'invention sera bien comprise à l'aide de la description qui suit en référence au dessin schématique annexé représentant, à titre d'exemples non limitatifs, deux formes d'exécution de ce système d'obturation.  In any case the invention will be better understood with the aid of the description which follows with reference to the attached schematic drawing showing, by way of non-limiting examples, two embodiments of this closure system.
Figure 1 est une vue en perspective d'un système d'obturation selon un premier mode de réalisation de l'invention.  Figure 1 is a perspective view of a closure system according to a first embodiment of the invention.
Figure 2 est une vue en perspective du système d'obturation de la figure 1 à l'état assemblé.  Figure 2 is a perspective view of the closure system of Figure 1 in the assembled state.
Figure 3 est une vue en perspective de dessous d'un bouchon d'obturation et d'une bague d'inviolabilité du système d'obturation de la figure 1.  Figure 3 is a perspective view from below of a closure cap and a tamper-proof ring of the closure system of Figure 1.
Figure 4 est une vue en perspective, en coupe, du système d'obturation de la figure 1 à l'état assemblé.  Figure 4 is a perspective view, in section, of the closure system of Figure 1 in the assembled state.
Figure 5 est une vue, à l'échelle agrandie, d'un détail de la figure 4.  Figure 5 is an enlarged view of a detail of Figure 4.
Figure 6 est une vue en perspective, partiellement coupée, du système d'obturation de la figure 1 montrant le bouchon d'obturation en cours de dévissage mais avant rupture d'éléments frangibles reliant le bouchon d'obturation et la bague d'inviolabilité.  Figure 6 is a perspective view, partially cut away, of the closure system of Figure 1 showing the closure plug during unscrewing but before rupture of frangible elements connecting the closure cap and the tamper-evident ring.
Figure 7 est une vue en perspective, partiellement coupée, du système d'obturation de la figure 1 montrant le bouchon d'obturation en cours de dévissage et après rupture des éléments frangibles.  Figure 7 is a perspective view, partially cut away, of the closure system of Figure 1 showing the closure cap during unscrewing and after breaking frangible elements.
Figure 8 est une vue en perspective du système d'obturation de la figure 1 montrant le bouchon d'obturation revissé sur une partie de col du système d'obturation.  Figure 8 is a perspective view of the closure system of Figure 1 showing the closure cap screwed onto a neck portion of the closure system.
Figure 9 est une vue partielle en perspective, partiellement coupée, du système d'obturation de la figure 1 montrant la bague d'inviolabilité dans la même position que celle représentée sur la figure 8. Figure 10 est une vue en perspective d'un système d'obturation selon un deuxième mode de réalisation de l'invention, montrant le bouchon d'obturation revissé sur une partie de col du système d'obturation. FIG. 9 is a partial perspective view, partially cut away, of the closure system of FIG. 1 showing the tamperproof ring in the same position as that represented in FIG. Figure 10 is a perspective view of a closure system according to a second embodiment of the invention, showing the closure cap screwed onto a neck portion of the closure system.
Les figures 1 à 9 représentent un système d'obturation 2 pour récipient, tel qu'une brique d'emballage ou un berlingot d'emballage, selon un premier mode de réalisation de l'invention.  Figures 1 to 9 show a closure system 2 for a container, such as a packaging brick or a packaging bunling, according to a first embodiment of the invention.
Le système d'obturation 2 comprend un élément de col 3 destiné à être fixé sur le récipient. Avantageusement, l'élément de col 3 est monobloc, et est réalisé en matière plastique par moulage par injection.  The closure system 2 comprises a neck member 3 intended to be fixed on the container. Advantageously, the neck member 3 is in one piece, and is made of plastic material by injection molding.
Comme montré plus particulièrement sur les figures 1 et 4, l'élément de col 3 comprend une partie de col 4 tubulaire s'étendant selon un axe d'extension A, et une partie de fixation 5 solidaire de la partie de col 4, et destinée à être fixée, par exemple par soudure par ultrasons, sur le récipient. Selon le mode de réalisation représenté sur les figures, la partie de fixation 5 est annulaire et s'étend sensiblement radialement par rapport à l'axe d'extension A de la partie de col 4.  As shown more particularly in Figures 1 and 4, the neck member 3 comprises a tubular neck portion 4 extending along an extension axis A, and a fastening portion 5 integral with the neck portion 4, and intended to be fixed, for example by ultrasonic welding, on the container. According to the embodiment shown in the figures, the fixing portion 5 is annular and extends substantially radially with respect to the extension axis A of the neck portion 4.
La partie de col 4 comprend, sur sa surface extérieure, un filetage extérieur 6 et une collerette de retenue 7. La collerette de retenue 7 est annulaire et flexible, et est avantageusement disposée entre le filetage extérieur 6 et la partie de fixation 5. La collerette de retenue 7 comprend une première surface annulaire 8 tournée vers le filetage extérieur 6, et une deuxième surface annulaire 9 opposée à la première surface annulaire 8 et tournée vers la partie de fixation 5.  The neck portion 4 comprises, on its outer surface, an external thread 6 and a retaining collar 7. The retaining flange 7 is annular and flexible, and is advantageously disposed between the external thread 6 and the fixing portion 5. The retaining flange 7 comprises a first annular surface 8 facing the external thread 6, and a second annular surface 9 opposite the first annular surface 8 and facing towards the fixing portion 5.
La collerette de retenue 7 est plus particulièrement déformable, par exemple élastiquement ou plastiquement, entre une position initiale, dite de repos, (montrée sur la figure 1) dans laquelle la collerette de retenue 7 s'étend radialement par rapport à l'axe d'extension A de la partie de col 4, et une position de retenue (montrée sur la figure 4) dans laquelle la collerette de retenue 7 est courbée et la deuxième surface annulaire 9 délimite un logement d'accrochage 11 annulaire.  The retaining flange 7 is more particularly deformable, for example elastically or plastically, between an initial position, called rest position, (shown in FIG. 1) in which the retaining flange 7 extends radially with respect to the axis d extension A of the neck portion 4, and a retaining position (shown in Figure 4) in which the retaining flange 7 is curved and the second annular surface 9 defines an annular attachment housing 11.
Comme montré sur la figure 4, lorsque la collerette d'appui 7 est dans sa position de retenue, le bord périphérique 12 de la collerette de retenue 7 est décalé axialement de la zone de jonction entre la collerette de retenue 7 et la surface extérieure de la partie de col 4, en direction de la partie de fixation 5. En outre, lorsque la collerette d'appui 7 est dans sa position de retenue, le bord périphérique 12 délimite une ouverture d'insertion 13 débouchant dans le logement d'accrochage 11 et orientée en direction de la partie de fixation 5.  As shown in FIG. 4, when the support flange 7 is in its retaining position, the peripheral edge 12 of the retaining collar 7 is offset axially from the junction zone between the retaining flange 7 and the outer surface of the retaining flange 7. the neck portion 4, towards the fixing portion 5. In addition, when the support flange 7 is in its retaining position, the peripheral edge 12 defines an insertion opening 13 opening into the latching housing 11 and oriented towards the fixing portion 5.
Le système d'obturation 2 comprend également un bouchon d'obturation 14 destiné à être fixé de manière amovible sur la partie de col 4. Le bouchon d'obturation 14 comporte une paroi d'obturation 15 et une jupe de fixation 16 s'étendant à partir de la paroi d'obturation 15. La jupe de fixation 16 comporte, sur sa surface intérieure, un filetage intérieur 17 configuré pour coopérer avec le filetage extérieur 6 de la partie de col 4. The closure system 2 also comprises a closure cap 14 intended to be removably attached to the neck portion 4. The closure cap 14 comprises a closure wall 15 and a fixing skirt 16 extending from the closure wall 15. The attachment skirt 16 has, on its inner surface, an internal thread 17 configured to cooperate with the external thread 6 of the neck portion 4.
Le bouchon d'obturation 14 comporte également une lèvre d'étanchéité 18 annulaire destinée à coopérer avec la surface intérieure de la partie de col 4.  The closure cap 14 also comprises an annular sealing lip 18 intended to cooperate with the inner surface of the neck portion 4.
Le système d'obturation 2 comprend de plus une bague d'inviolabilité 19 comportant une partie annulaire 21 située dans le prolongement de la jupe de fixation 16. La partie annulaire 21 est reliée à la jupe de fixation 16 par une pluralité de ponts frangibles 22 répartis sur le long du bord supérieur de la partie annulaire 21. Le bouchon d'obturation 14, la bague d'inviolabilité 19 et les ponts frangibles 22 sont avantageusement réalisés simultanément par moulage par injection.  The closure system 2 further comprises a tamperproof ring 19 comprising an annular portion 21 located in the extension of the fastening skirt 16. The annular portion 21 is connected to the fastening skirt 16 by a plurality of frangible bridges 22 distributed along the upper edge of the annular portion 21. The closure cap 14, the tamperproof ring 19 and the frangible bridges 22 are advantageously made simultaneously by injection molding.
Selon le mode de réalisation représenté sur les figures, la partie annulaire 21 présente un diamètre intérieur inférieur au diamètre extérieur de la collerette de retenue 7.  According to the embodiment shown in the figures, the annular portion 21 has an inside diameter smaller than the outside diameter of the retaining collar 7.
La bague d'inviolabilité 19 comprend également une pluralité de rabats de retenue flexibles 23 répartis circonférentiellement sur la surface intérieure de la partie annulaire 21 de la bague d'inviolabilité 19, et configurés pour coopérer avec la deuxième surface annulaire 9 de la collerette de retenue 7. Chaque rabat de retenue 23 est déformable, par exemple élastiquement ou plastiquement, entre une position initiale, dite de repos, (voir la figure 3) dans laquelle chaque rabat de retenue 23 est orienté à l'opposé du bouchon d'obturation 14, et une position d'accrochage (voir la figure 4) dans laquelle chaque rabat de retenue 23 est orienté en direction du bouchon d'obturation 14 et est apte à s'étendre à travers l'ouverture d'insertion 13 et à être reçu au moins en partie dans le logement d'accrochage 11. Chaque rabat de retenue 23 est plus particulièrement apte à accrocher, en position d'utilisation, la collerette de retenue 7.  The tamperproof ring 19 also comprises a plurality of flexible retaining flaps 23 distributed circumferentially on the inner surface of the annular portion 21 of the tamperproof ring 19, and configured to cooperate with the second annular surface 9 of the retaining flange. 7. Each retaining flap 23 is deformable, for example elastically or plastically, between an initial position, said rest position (see Figure 3) in which each retaining flap 23 is oriented opposite the closure plug 14 , and a hooking position (see Figure 4) in which each retaining flap 23 is oriented towards the closure plug 14 and is adapted to extend through the insertion opening 13 and to be received at least partly in the latching housing 11. Each retaining flap 23 is more particularly adapted to hang, in the position of use, the retaining collar 7.
La bague d'inviolabilité 19 et la collerette de retenue 7 sont configurées de telle sorte que, lorsque la bague d'inviolabilité 19 est montée sur la partie de col 4, d'une part la partie annulaire 21 s'étend autour de la collerette de retenue 7, et déforme et maintient la collerette de retenue 7 dans sa position de retenue, et d'autre part les rabats de retenue 23 sont déformés dans leur position d'accrochage. Ainsi, en conditions d'utilisation, la collerette de retenue 7 exerce un effort radial contre la bague d'inviolabilité 19, et plus particulièrement contre la surface intérieure de la partie annulaire 21. Selon le mode de réalisation représenté sur les figures, la bague d'inviolabilité 19 comprend en outre au moins un élément d'entraînement 24 s'étendant à partir d'un bord supérieur de la partie annulaire 21 et en direction de la jupe de fixation 16, et le bouchon d'obturation 14 comprend en outre au moins un élément d'entraînement 25 s'étendant à partir d'un bord inférieur de la jupe de fixation 16 et en direction de la bague d'inviolabilité 19. The tamperproof ring 19 and the retaining flange 7 are configured such that, when the tamperproof ring 19 is mounted on the neck portion 4, on the one hand the annular portion 21 extends around the collar 7, and deforms and maintains the retaining flange 7 in its retaining position, and secondly the retaining flaps 23 are deformed in their attachment position. Thus, under conditions of use, the retaining flange 7 exerts a radial force against the tamperproof ring 19, and more particularly against the inner surface of the annular portion 21. According to the embodiment shown in the figures, the tamperproof ring 19 further comprises at least one driving element 24 extending from an upper edge of the annular portion 21 and in the direction of the fastening skirt. 16, and the closure plug 14 further comprises at least one drive member 25 extending from a lower edge of the attachment skirt 16 and towards the tamper-proof collar 19.
Selon le mode de réalisation représenté sur les figures, l'élément d'entraînement 24 comprend une surface de came 26, et l'élément d'entraînement 25 comprend une surface de came 27 sensiblement complémentaire de la surface de came 25 et configurée pour coopérer avec cette dernière, lors du premier revissage du bouchon d'obturation 14 sur la partie de col 4 après la rupture des éléments frangibles 22 et la première ouverture du récipient équipé du système d'obturation 2, de manière à déplacer la partie annulaire 21 de la bague d'inviolabilité 19 à distance de la jupe de fixation 16 et de la collerette de retenue 7 (voir la figure 8).  According to the embodiment shown in the figures, the driving element 24 comprises a cam surface 26, and the driving element 25 comprises a cam surface 27 substantially complementary to the cam surface 25 and configured to cooperate. with the latter, during the first screwing of the closure cap 14 on the neck portion 4 after the rupture of the frangible elements 22 and the first opening of the container equipped with the closure system 2, so as to move the annular portion 21 of the tamperproof ring 19 at a distance from the fixing skirt 16 and the retaining flange 7 (see FIG. 8).
Selon le mode de réalisation représenté sur les figures, chaque élément d'entraînement 24, 25 présente une forme générale de vague ou d'ondulation.  According to the embodiment shown in the figures, each driving element 24, 25 has a general wave or wave shape.
Il convient d'être noté que la bague d'inviolabilité 19 pourrait comporter une pluralité d'éléments d'entraînement 24 répartis le long du bord supérieur de la partie annulaire 21, et le bouchon d'obturation 14 pourrait comporter une pluralité d'éléments d'entraînement 25 répartis le long du bord inférieur de la jupe de fixation 16.  It should be noted that the tamper ring 19 could have a plurality of drive elements 24 distributed along the upper edge of the annular portion 21, and the blanking plug 14 could comprise a plurality of elements. 25 distributed along the lower edge of the fastening skirt 16.
Le fonctionnement du système d'obturation 2 selon l'invention va maintenant être décrit en se rapportant plus particulièrement aux figures 4 à 9.  The operation of the shutter system 2 according to the invention will now be described with particular reference to FIGS. 4 to 9.
Comme montré sur la figure 4, lorsque le bouchon d'obturation 14 est fixé sur la partie de col 4 et que la bague d'inviolabilité 19 est reliée à la jupe de fixation 16 par les ponts frangibles 22, les rabats de retenue 23 sont éloignés du logement d'accrochage 11.  As shown in FIG. 4, when the closure cap 14 is fixed on the neck portion 4 and the tamperproof ring 19 is connected to the fastening skirt 16 by the frangible bridges 22, the retaining flaps 23 are away from the attachment housing 11.
Lorsqu'un utilisateur entraîne en rotation le bouchon d'obturation 14 dans un sens de dévissage, la bague d'inviolabilité 19, qui est reliée au bouchon d'obturation 14, est entraînée par le bouchon d'obturation 14 selon un mouvement hélicoïdal en direction de la collerette de retenue 7 jusqu'à ce que les rabats de retenue 23 pénètrent dans le logement d'accrochage 11 et prennent appui contre la deuxième surface annulaire 9, dite d'accrochage, de la collerette de retenue 7, comme cela est montré sur la figure 6.  When a user rotates the closure cap 14 in a unscrewing direction, the tamperproof ring 19, which is connected to the closure cap 14, is driven by the closure cap 14 in a helical movement in direction of the retaining flange 7 until the retaining flaps 23 penetrate into the latching housing 11 and bear against the second annular surface 9, said hooking, of the retaining flange 7, as is shown in Figure 6.
Dès lors, tout entraînement en rotation du bouchon d'obturation 14 dans le sens de dévissage provoque une rupture des ponts frangibles 22, et donc une séparation de la bague d'inviolabilité 19 et de la jupe de fixation 14, comme cela est montré sur la figure 7. Il convient d'être noté que la bague d'inviolabilité 19 est maintenue dans sa position représentée sur la figure 7, du fait de l'effort radial exercé par la collerette de retenue 7 contre la surface intérieure de la partie annulaire 21. Therefore, any drive in rotation of the closure plug 14 in the unscrewing direction causes a rupture of the frangible bridges 22, and therefore a separation of the tamperproof ring 19 and the fastening skirt 14, as shown in FIG. 7. It should be noted that the tamperproof ring 19 is held in its position shown in FIG. makes the radial force exerted by the retaining flange 7 against the inner surface of the annular portion 21.
Lorsque le bouchon d'obturation 14 est repositionné sur la partie de col 4, et est entraîné en rotation dans un sens de vissage, la jupe de fixation 16 se rapproche progressivement de la bague d'inviolabilité 19 jusqu'à ce que la surface de came 27 de l'élément d'entraînement 25 coopère avec la surface de came 26 de l'élément d'entraînement 24 et déplace la bague d'inviolabilité 19 en direction de la partie de fixation 5 et à distance de la jupe de fixation 16. En fin de vissage du bouchon d'obturation 14, la bague d'inviolabilité 19 atteint la position représentée sur la figure 8, et au moins un espace de visualisation d'ouverture 28 est ménagé entre la jupe de fixation 16 et la bague d'inviolabilité 19. La configuration des éléments d'entraînement 24, 25 permet ainsi de visualiser aisément toute ouverture préalable d'un récipient équipé du système d'obturation 2 selon l'invention.  When the closure cap 14 is repositioned on the neck portion 4, and is rotated in a screwing direction, the fixing skirt 16 progressively approaches the tamperproof ring 19 until the cam 27 of the driving element 25 cooperates with the cam surface 26 of the driving element 24 and moves the tamperproof ring 19 towards the fixing portion 5 and at a distance from the fixing skirt 16 At the end of screwing of the closure cap 14, the tamperproof ring 19 reaches the position shown in FIG. 8, and at least one opening viewing space 28 is formed between the fixing skirt 16 and the locking ring. 19. The configuration of the drive elements 24, 25 thus makes it easy to visualize any prior opening of a container equipped with the closure system 2 according to the invention.
Il convient d'être noté que la bague d'inviolabilité 19 est maintenue dans sa position représentée sur la figure 8, du fait de l'effort radial exercé par la collerette de retenue 7 contre la surface intérieure de la partie annulaire 21.  It should be noted that the tamperproof ring 19 is held in its position shown in FIG. 8, because of the radial force exerted by the retaining collar 7 against the inner surface of the annular portion 21.
De façon avantageuse, la partie de col 4 pourrait comporter en outre un élément de butée annulaire 29, tel qu'une nervure de butée annulaire, ménagé sur la surface extérieure de la partie de col 4 et à proximité de la zone de jonction entre la collerette de retenue 7 et la surface extérieure de la partie de col 4, et configuré pour s'étendre dans le logement d'accrochage 11. Selon un tel mode de réalisation de l'invention, les rabats de retenue flexibles 23, et plus particulièrement les extrémités libres des rabats de retenue flexibles 23, sont configurés pour venir en butée contre l'élément de butée annulaire 29 lors du premier dévissage du bouchon d'obturation 14. Ces dispositions permettent de limiter la course de déplacement de la bague d'inviolabilité 19 lors du premier dévissage du bouchon d'obturation 14, qui serait plus importante en l'absence d'un tel élément de butée du fait de la flexibilité de la collerette de retenue 7, et donc d'assurer une étanchéité du système d'obturation, notamment au niveau de la lèvre d'étanchéité 18, au moins jusqu'à la rupture des éléments frangibles 22.  Advantageously, the neck portion 4 could further comprise an annular abutment element 29, such as an annular abutment rib, formed on the outer surface of the neck portion 4 and near the junction zone between the retaining flange 7 and the outer surface of the neck portion 4, and configured to extend into the latching housing 11. According to one embodiment of the invention, the flexible retaining flaps 23, and more particularly the free ends of the flexible retaining flaps 23, are configured to abut against the annular abutment element 29 during the first unscrewing of the closure cap 14. These provisions make it possible to limit the displacement travel of the tamper-evident ring 19 during the first unscrewing of the closure plug 14, which would be greater in the absence of such a stop element due to the flexibility of the retaining flange 7, and therefore to ensure a tanchéité of the closure system, particularly at the sealing lip 18, at least until the rupture of the frangible elements 22.
La figure 10 représente un système d'ouverture 2 selon un deuxième mode de réalisation de l'invention qui diffère du premier mode de réalisation représenté sur les figures 1 à 9 essentiellement en ce que la collerette de retenue 7 est configurée pour se déformer élastiquement et s'étendre au moins en partie entre la jupe de fixation 16 et la bague d'inviolabilité 19, lors du premier revissage du bouchon d'obturation 14 sur la partie de col 4 après rupture des éléments frangibles 22, et plus particulièrement après un déplacement de la bague d'inviolabilité 19 à distance de la jupe de fixation 16 induit par la coopération des surfaces de came 26, 27. Plus précisément, la collerette de retenue 7 est configurée pour s'étendre dans l'au moins un espace de visualisation d'ouverture 28 lors du premier revissage du bouchon d'obturation 14 sur la partie de col 4. Ces dispositions permettent d'assurer une visualisation aisée d'une ouverture préalable d'un récipient équipé du système d'obturation 2 selon le deuxième mode de réalisation de l'invention. FIG. 10 represents an opening system 2 according to a second embodiment of the invention which differs from the first embodiment shown in FIGS. 1 to 9 essentially in that the retaining flange 7 is configured to deform elastically and extend at least partly between the fastening skirt 16 and the tamperproof ring 19, during the first screwing of the closure cap 14 on the neck portion 4 after breakage of the frangible elements 22, and more particularly after a displacement of the tamperproof ring 19 to distance from the attachment skirt 16 induced by the engagement of the cam surfaces 26, 27. Specifically, the retaining flange 7 is configured to extend into the at least one opening viewing space 28 during the first screwing. the closure cap 14 on the neck portion 4. These arrangements make it possible to ensure easy viewing of a prior opening of a container equipped with the closure system 2 according to the second embodiment of the invention.
Selon ce deuxième mode de réalisation de l'invention, la collerette de retenue 7 est configurée pour définir le logement d'accrochage annulaire 11 au moins jusqu'à la rupture des éléments frangibles 22, et plus particulièrement jusqu'au premier revissage du bouchon d'obturation 14 sur la partie de col 4 après rupture des éléments frangibles 22, et la bague d'inviolabilité 19 est configurée pour déformer et maintenir la collerette de retenue 7 dans sa position de retenue au moins jusqu'à la rupture des éléments frangibles 22, et plus particulièrement jusqu'au premier revissage du bouchon d'obturation 14 sur la partie de col 4 après rupture des éléments frangibles 22.  According to this second embodiment of the invention, the retaining collar 7 is configured to define the annular engagement housing 11 at least until rupture of the frangible elements 22, and more particularly until the first screwing of the plug. shutter 14 on the neck portion 4 after breakage of the frangible elements 22, and the tamperproof ring 19 is configured to deform and maintain the retaining collar 7 in its retaining position at least until rupture of the frangible elements 22 , and more particularly until the first screwing of the closure cap 14 on the neck portion 4 after rupture of the frangible elements 22.
Après le revissage initial du bouchon d'obturation 14 sur la partie de col 4, une partie de la collerette de retenue 7 peut éventuellement encore être entourée par la bague d'inviolabilité 19, et donc exercer un effort sur la bague d'inviolabilité 19 afin de la maintenir en position.  After the initial screwing of the closure cap 14 on the neck portion 4, a portion of the retaining flange 7 may possibly be further surrounded by the tamperproof ring 19, and thus exert a force on the tamperproof ring 19 to keep it in position.
Comme il va de soi, l'invention ne se limite pas aux seules formes d'exécution de ce système d'obturation, décrites ci-dessus à titre d'exemples, elle en embrasse au contraire toutes les variantes de réalisation.  As goes without saying, the invention is not limited to the embodiments of this closure system, described above as examples, it encompasses all the variants.

Claims

REVENDICATIONS
1. Système d'obturation (2) pour récipient, comprenant : A closure system (2) for a container, comprising:
- un élément de col (3) destiné à être fixé sur le récipient, l'élément de col (3) comprenant une partie de col (4) pourvue d'une collerette de retenue (7) qui est flexible,  - a neck member (3) for attachment to the container, the neck member (3) comprising a neck portion (4) provided with a flexible retaining collar (7),
- un bouchon d'obturation (14) destiné à être vissé sur la partie de col (4), le bouchon d'obturation (14) comportant une paroi d'obturation (15) et une jupe de fixation (16), et  - a closure cap (14) to be screwed onto the neck portion (4), the closure cap (14) having a closure wall (15) and a fixing skirt (16), and
- une bague d'inviolabilité (19) reliée à la jupe de fixation (16) par une pluralité d'éléments frangibles (22), la bague d'inviolabilité (19) comprenant au moins un élément de retenue flexible (23),  a tamper-evident ring (19) connected to the fixing skirt (16) by a plurality of frangible elements (22), the tamper-evident ring (19) comprising at least one flexible retaining element (23),
la partie de col (4) et la bague d'inviolabilité (19) étant configurées de telle sorte que, lorsque le bouchon d'obturation (14) est fixé sur la partie de col (4) et au moins jusqu'à une rupture des éléments frangibles (22), la collerette de retenue (7) définit un logement d'accrochage annulaire (11), et l'au moins un élément de retenue flexible (23) est configuré pour être reçu au moins en partie et s'accrocher dans le logement d'accrochage annulaire (11),  the neck portion (4) and the tamper-evident ring (19) being configured such that when the closure cap (14) is attached to the neck portion (4) and at least to a break frangible elements (22), the retaining collar (7) defines an annular engagement housing (11), and the at least one flexible retaining element (23) is configured to be received at least in part and hang in the annular latching housing (11),
caractérisé en ce que la collerette de retenue (7) est configurée pour s'étendre au moins en partie entre la jupe de fixation (16) et la bague d'inviolabilité characterized in that the retaining flange (7) is configured to extend at least partly between the fastening skirt (16) and the tamper-evident ring
(19) lors du premier revissage du bouchon d'obturation (14) sur la partie de col (4) après rupture des éléments frangibles (22). (19) during the first re-screwing of the sealing plug (14) on the neck portion (4) after breakage of the frangible elements (22).
2. Système d'obturation selon la revendication 1, dans lequel la collerette de retenue (7) est déformable entre une position initiale dans laquelle la collerette de retenue (7) s'étend sensiblement radialement par rapport à un axe d'extension (A) de la partie de col (4), et une position de retenue dans laquelle la collerette de retenue (7) est courbée et délimite le logement d'accrochage annulaire (11). 2. A closure system according to claim 1, wherein the retaining flange (7) is deformable between an initial position in which the retaining flange (7) extends substantially radially relative to an extension axis (A). ) of the neck portion (4), and a retaining position in which the retaining flange (7) is curved and delimits the annular engagement housing (11).
3. Système d'obturation selon la revendication 2, dans lequel la bague d'inviolabilité (19) est configurée pour déformer et maintenir la collerette de retenue (7) dans sa position de retenue au moins jusqu'à la rupture des éléments frangibles (22). A closure system according to claim 2, wherein the tamper-evident ring (19) is configured to deform and hold the retaining flange (7) in its retaining position at least until the breakage of the frangible elements ( 22).
4. Système d'obturation selon l'une quelconque des revendications 1 à 3, dans lequel la bague d'inviolabilité est configurée pour s'étendre autour de la collerette de retenue. The closure system of any one of claims 1 to 3, wherein the tamper evident ring is configured to extend around the retaining flange.
5. Système d'obturation selon l'une quelconque des revendications 1 à 4, dans lequel le bord périphérique (12) de la collerette de retenue (7) délimite, lorsque le bouchon d'obturation (14) est fixé sur la partie de col (4) et au moins jusqu'à une rupture des éléments frangibles (22), une ouverture d'insertion (13) débouchant dans le logement d'accrochage annulaire (11), l'au moins un élément de retenue flexible (23) étant configuré pour s'étendre à travers l'ouverture d'insertion (13). 5. Shutter system according to any one of claims 1 to 4, wherein the peripheral edge (12) of the retaining flange (7) delimits, when the closure cap (14) is fixed on the part of collar (4) and at least until breaking of the frangible elements (22), an insertion opening (13) opening into the annular attachment housing (11), the at least one flexible retaining element (23). ) being configured to extend through the insertion opening (13).
6. Système d'obturation selon l'une quelconque des revendications 1 à 5, dans lequel la bague d'inviolabilité (19) comprend une partie annulaire (21) reliée à la jupe de fixation (16) par les éléments frangibles (22), la collerette de retenue (7) présentant un diamètre extérieur supérieur au diamètre intérieur de la partie annulaire (21). The closure system according to any one of claims 1 to 5, wherein the tamperproof ring (19) comprises an annular portion (21) connected to the attachment skirt (16) by the frangible elements (22). the retaining flange (7) having an outside diameter greater than the inside diameter of the annular portion (21).
7. Système d'obturation selon l'une quelconque des revendications 1 à 6, dans lequel la collerette de retenue (7) est configurée pour exercer, lorsque le bouchon d'obturation (14) est fixé sur la partie de col (4) et au moins jusqu'à une rupture des éléments frangibles (22), un effort radial contre la bague d'inviolabilité (19). Closure system according to one of claims 1 to 6, wherein the retaining flange (7) is configured to exert, when the closure cap (14) is attached to the neck portion (4). and at least until rupture of the frangible elements (22), a radial force against the tamperproof ring (19).
8. Système d'obturation selon l'une quelconque des revendications 1 à 7, dans lequel la bague d'inviolabilité (19) comprend au moins un premier élément d'entraînement (24) s'étendant en direction de la jupe de fixation (16), et le bouchon d'obturation (14) comprend au moins un deuxième élément d'entraînement (25) s'étendant en direction de la bague d'inviolabilité (19), l'au moins un deuxième élément d'entraînement (25) étant configuré pour coopérer avec l'au moins un premier élément d'entraînement (24), lors du premier revissage du bouchon d'obturation (16) sur la partie de col (4) après rupture des éléments frangibles (22), de manière à déplacer la bague d'inviolabilité (19) à distance de la jupe de fixation (16) et à ménager au moins un espace de visualisation d'ouverture (28) entre la jupe de fixation (16) et la bague d'inviolabilité (19). A closure system according to any one of claims 1 to 7, wherein the tamper-evident ring (19) comprises at least a first drive element (24) extending towards the attachment skirt ( 16), and the closure cap (14) comprises at least a second driving element (25) extending towards the tamper-evident ring (19), the at least one second driving element ( 25) being configured to cooperate with the at least one first driving element (24), during the first re-screwing of the sealing plug (16) on the neck portion (4) after rupture of the frangible elements (22), in order to move the tamperproof ring (19) away from the fastening skirt (16) and to provide at least one opening viewing space (28) between the fastening skirt (16) and the fastening ring (16). inviolability (19).
9. Système d'obturation selon la revendication 8, dans lequel l'au moins un premier élément d'entraînement (24) comprend une première surface de came (26), et l'au moins un deuxième élément d'entraînement (25) comprend une deuxième surface de came (27) configurée pour coopérer avec la première surface de came (26) de manière à solliciter, lors du premier revissage du bouchon d'obturation (14) sur la partie de col (4) après rupture des éléments frangibles (22), la bague d'inviolabilité (19) à distance de la jupe de fixation (16). The closure system of claim 8, wherein the at least one first driving member (24) comprises a first cam surface (26), and the at least one second driving member (25). comprises a second cam surface (27) configured to cooperate with the first cam surface (26) so as to urge, upon first screwing of the sealing plug (14) onto the neck portion (4) after breaking the elements frangible (22), the tamperproof ring (19) remote from the fixing skirt (16).
10. Système d'obturation selon l'une quelconque des revendications 1 à 9, dans lequel la partie de col (4) comporte un élément de butée annulaire (29) contre lequel l'au moins un élément de retenue flexible (23) est configuré pour venir en butée lors du premier dévissage du bouchon d'obturation (14). The closure system of any one of claims 1 to 9, wherein the neck portion (4) has an annular abutment member (29) against which the at least one flexible retainer (23) is configured to abut during the first unscrewing of the closure cap (14).
11. Système d'obturation selon la revendication 10, dans lequel l'élément de butée annulaire (29) est configuré pour s'étendre dans le logement d'accrochage annulaire (11). The closure system of claim 10, wherein the annular abutment member (29) is configured to extend into the annular latching housing (11).
EP16809094.2A 2015-12-22 2016-12-14 Shutoff system for a container Active EP3393924B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1563042A FR3045574A1 (en) 2015-12-22 2015-12-22 SHUTTERING SYSTEM FOR CONTAINER
FR1653875A FR3045573B1 (en) 2015-12-22 2016-04-29 SHUTTERING SYSTEM FOR CONTAINER
PCT/EP2016/080919 WO2017108514A1 (en) 2015-12-22 2016-12-14 Shutoff system for a container

Publications (2)

Publication Number Publication Date
EP3393924A1 true EP3393924A1 (en) 2018-10-31
EP3393924B1 EP3393924B1 (en) 2021-07-07

Family

ID=55361833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16809094.2A Active EP3393924B1 (en) 2015-12-22 2016-12-14 Shutoff system for a container

Country Status (13)

Country Link
US (1) US20190009943A1 (en)
EP (1) EP3393924B1 (en)
JP (1) JP6914936B2 (en)
KR (1) KR20180095062A (en)
AU (1) AU2016378896B2 (en)
BR (1) BR112018012799B1 (en)
CA (1) CA3007388C (en)
DK (1) DK3393924T3 (en)
ES (1) ES2893523T3 (en)
FR (2) FR3045574A1 (en)
MA (1) MA42751B1 (en)
RU (1) RU2730702C2 (en)
WO (1) WO2017108514A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113795433A (en) * 2019-03-11 2021-12-14 阿尔温莱纳股份有限两合公司阿尔普拉工厂 Container lid and container
FR3104144B1 (en) * 2019-12-04 2021-12-03 Soc Lorraine De Capsules Metalliques Manufacture De Bouchage Screw closure device intended to remain attached to a container after opening the container.
GB202000444D0 (en) 2020-01-13 2020-02-26 Gbuk Group Ltd Tamper evident cap
WO2021204360A1 (en) * 2020-04-07 2021-10-14 Aptar Freyung Gmbh Closure for a container and container with such a closure
RU202592U1 (en) * 2020-12-01 2021-02-26 Дмитрий Александрович Кинев Closure neck
IT202100029978A1 (en) * 2021-11-26 2023-05-26 Guala Pack Spa CLOSURE FOR A STRAW OF A THIN-WALLED FLEXIBLE PACKAGING

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US3716162A (en) * 1971-09-20 1973-02-13 A Botkin Tamper-proof closure arrangement
DE3233805A1 (en) * 1982-09-11 1984-03-15 Hans 8801 Schillingsfürst Heinlein SEALING CAP, ESPECIALLY FOR BOTTLE-LIKE CONTAINERS, WITH AN ORGINALITY SECURING ELEMENT
US4579241A (en) * 1984-11-29 1986-04-01 Anchor Hocking Corporation Tamper evident plastic closure
DE3677102D1 (en) * 1985-07-31 1991-02-28 A C I Australia Ltd WARRANTY LOCK FOR CONTAINERS.
GB8705040D0 (en) * 1987-03-04 1987-04-08 Cope Allman Plastics Ltd Tamper-evident closures
US5033632A (en) * 1990-06-08 1991-07-23 Lincoln Mold And Die Corporation Tamper-evident closure with angled breakaway tabs
GB9018854D0 (en) * 1990-08-29 1990-10-10 Montgomery Daniel & Son Ltd Tamper-evident closure cap
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AU2002246339B2 (en) * 2001-04-13 2007-03-15 Yoshino Kogyosho Co., Ltd. Screw cap of synthetic resin
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DE20318767U1 (en) * 2003-12-04 2004-02-19 G.E. Habich's Söhne GmbH & Co. KG ink bottle
GB0711838D0 (en) * 2007-06-19 2007-07-25 Mavin Gerry A moulded closure system
EP2906475B1 (en) * 2012-10-11 2017-01-18 Capartis AG Closing cap, container neck, tamper-evident closure, and method for producing a tamper-evident closure

Also Published As

Publication number Publication date
MA42751B1 (en) 2019-05-31
CA3007388A1 (en) 2017-06-29
AU2016378896A1 (en) 2018-07-05
BR112018012799B1 (en) 2022-08-09
EP3393924B1 (en) 2021-07-07
DK3393924T3 (en) 2021-10-11
BR112018012799A2 (en) 2018-12-04
KR20180095062A (en) 2018-08-24
ES2893523T3 (en) 2022-02-09
FR3045574A1 (en) 2017-06-23
JP6914936B2 (en) 2021-08-04
CA3007388C (en) 2023-10-03
FR3045573A1 (en) 2017-06-23
RU2018124504A3 (en) 2020-03-27
WO2017108514A1 (en) 2017-06-29
RU2018124504A (en) 2020-01-23
AU2016378896B2 (en) 2022-02-17
JP2018538209A (en) 2018-12-27
RU2730702C2 (en) 2020-08-25
MA42751A1 (en) 2019-01-31
FR3045573B1 (en) 2019-04-26
US20190009943A1 (en) 2019-01-10

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