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
  • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
  • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges

Definitions

• the present invention relates to a container having a neck equipped with a screw closure device.
• the invention intends to remedy more particularly by proposing a new container with which the separation between a plug and the associated tamper band is facilitated and made reliable.
• the invention relates to a container comprising a neck equipped with a screw closure device, the closure device comprising a cap connected to a tamper-evident band by at least one breakable part, while the collar comprises, at the opposite of the opening of the neck with respect to a screw thread of the cap, a radial outer collar retaining the tamper-evident band before opening the closure device, and a zone intended to cooperate with a transport member of the container, while between the collar and the aforementioned zone, the neck is provided with a relief, projecting radially outwards, retaining and centering the tamper-evident band after at least partial break of the breakable part .
• the first outer radial flange, the center retaining relief of the tamper-evident band and the zone intended to cooperate with a transport member are formed by three separate flanges, which protrude radially outwardly relative to an outer surface of the neck and which extend respectively at different and increasing distances relative to the outlet of this neck.
• the axial distance between the first flange and the retaining and centering relief of the tamper-evident band is such that, when the tamper-evident band bears against this relief, the axial distance between the tamper-evident band and the flange is greater than 0.5 mm, preferably 1 mm.
• such a container may incorporate one or more of the features of claims 2, 3 and 5 to 10.
• FIG. 1 is a partial view in elevation and in half section of a container according to the invention before a first opening
• FIG. 2 is a view similar to FIG. 1 after a first opening of the container
• FIG. 3 is a view on a smaller scale of the neck of the container of FIGS. 1 and 2;
• FIG. 4 is a view on a larger scale of detail IV in FIG. 3;
• FIG. 5 is a view similar to FIG. 4 for a container according to a second embodiment of the invention
• FIG. 6 is a view similar to FIG. 1 for a container according to a third embodiment of FIG. the invention.
• FIG. 7 is a view similar to Figure 2 for the container of Figure 6.
• the bottle 1 partially shown in Figures 1 to 4 is equipped with a neck 2 centered on an axis X-X 'which is vertical in these figures.
• the neck 2 is provided with an external thread 21 for screwing a closure device 3 which comprises a cap 31 formed of a cap 32 and a ring 33 disposed inside the cap 32 and provided with an internal thread 34 intended to cooperate with the thread 21.
• the cap 32 and the ring 33 are integral in rotation with the relief means provided on their respective facing surfaces.
• the stopper 31 is equipped with a sealing disc 35 disposed near the bottom 36 of the cap 32 and intended to bear against an upper outer edge 22 of the neck 2, closing off the outlet D of the neck 2.
• the ring 33 is integral with a band or sealing ring 37 disposed around the neck 2, opposite the thread 21 relative to a collar 23 which projects radially outwardly from the outer surface 24 of the neck 2.
• the band 37 is connected to the ring 33 by several breakable bridges 38. Alternatively, a continuous tear-off zone could be provided between the band 33 and the band 37.
• the band 37 is equipped with an internal tongue 39, which can be continuous or discontinuous around the X-X 'axis.
• the neck 2 is provided with a constricted portion 25 which defines an annular volume 25 surrounding the portion V
• the closure device Before the first opening of the bottle 1, the closure device is in the configuration of FIG. 1. In this configuration, if a pulling force is exerted on the cap 32 tending to move the disk 35 away from the edge 22 or unscrewing force of the plug 31, the tongue 39 comes to bear, by its free edge 39a, against an annular shoulder 23a formed by the flange 23 and turned towards the portion 25. If one wishes to effectively unscrew the plug 31, the unscrewing force induces rupture of the bridges 38.
• the ring 26 makes it possible to retain the tamper band 37 away from the volume V 25 , so that this band 37 remains generally centered around the axis XX 'and perpendicular thereto , which ensures an easy break of the bridges 38 over the entire periphery of the plug 31.
• the band 37 comes to bear by its tongue 39 against a surface 26a of the ring 26 which delimits this ring on the side of the flange 23.
• the surface 26a is frustoconical and convergent towards the outlet D of the neck 2, with a half angle at the top ⁇ , measured with respect to a plane P perpendicular to the axis X-X ', which has a value of the order of 55 °.
• the angle ⁇ can have a value between 45 and 60 °.
• di the axial distance between the collar 23 and the rod 26, this distance being measured parallel to the axis X-X ', between the centers of the elements 23 and 26.
• the distance di is chosen so that when the strip 37 rests against the ring 26 after rupture of the bridges 38, as shown in Figure 2, the axial distance d 2 between the edge 37a of the strip 37 facing the cap 31 and the shoulder 23a is sufficient for a user even uninformed, notice the separation between the strip 37 and the stopper 31.
• the distance d 2 is greater selected or equal to 0.2 times the axial height h.3 7 of the strip 37, preferably greater than or equal to 0 , 33 times this axial height which is measured parallel to the axis X-X '.
• d ⁇ is greater than 0.5 mm, preferably greater than 1 mm.
• the geometry of the cap 31 and the distance di are chosen so that the axial distance d 3 between the edge 37a and the edge 31a of the cap completely screwed on the neck 2 is sufficiently large for a user, even if not aware, the notice.
• the distance d 3 is chosen equal to a fraction of the height h 37 . It is chosen greater than or equal to 0.25 times this height, preferably greater than or equal to 0.4 times this height.
• d ⁇ is greater than 0.5 mm, preferably greater than 1 mm.
• the geometry and the position of the ring 26 make it possible to ensure that the strip 37 reaches, at the end of its separation from the stopper 31, in a position where it remains centered with respect to the axis XX 'while being disposed at distances d 2 and d 3 of the flange 23 and 31 cap sufficient for a user to realize that the container has already been opened.
• the external radial surface of the neck 2 located between the collar 23 and the collar 26 is noted 27.
• This surface 27 is frustoconical and divergent in the direction of the outlet D of the neck 2.
• ⁇ is the half-angle at the apex of the surface 27.
• This angle ⁇ has a value between 5 and 30 °. Due to the frustoconical character of the surface 27, the strip 37 slides easily towards the ring 26, from the breaking of the first bridges 38 and this independently of the orientation of the axis X-X 'relative to the vertical.
• the frustoconical character of the surface 27 furthermore prevents an unscrupulous user from attempting to push the strip 37 towards the stopper 1 to conceal the breakage of the bridges 38 after opening the bottle B.
• the tongue 39 slides along this surface towards the rod 26 as soon as the jumpers have been broken.
• the band 37 is thus removed by default from the elements 23 and 31.
• elements similar to those of the first • embodiment bear identical references.
• the neck 2 of this embodiment comprises a flange 23 which defines a shoulder 23a against which may abut a portion of a not shown sealing strip and the type of the strip 37.
• the neck 2 also carries a flange 25 under which may be engaged the arms of a handling fork, one of these arms 91 being shown in section in Figure 5.
• the flange 25 'therefore has a function similar to the portion 25 of the first embodiment.
• a ring or flange 26 projects radially with respect to the external surface of the neck 2, which enables it to retain the tamper-evident band, against its movement directed towards the collar 25 after breaking bridges similar to the bridges 38 of the first embodiment.
• the geometry of the neck 2 of the embodiment of FIG. 5 is similar to that of the neck 2 of the first embodiment.
• the distance d 2 3 is strictly less than the distance d 2 ⁇ r itself strictly less than the distance d 25 '.
• the difference between the distances d 23 and d 2 ⁇ is equal to the distance di identified with reference to the first embodiment, it being understood that this distance di is such that, when the tamper-evident band bears on the ring or flange 26, the axial distance between this band and the flange 23 is greater than 0.5 mm, preferably 1 mm.
• the distance dx is determined so that, in the above-mentioned configuration, the distance between the tamper-evident band and the lower edge of the plug completely screwed onto the neck is greater than 0.5 mm, preferably at 1 mm.
• the neck 2 of a bottle 1 is provided with a thread 21 and three collars 23, 26 and 25 'having the same function as those bearing the same references in FIG. 5.
• the flange 25' allows to carry the neck 2 in support on two arms
• a closure device 3 comprises a plug 31 screwed onto the neck 2 and secured to a tamper-evident band 37 before the first opening of the device 3.
• a zone of structural weakness connects the plug 31 to the band 37; it is represented by the dotted line 38 in Figures 6 and 7.
• the elements 31 and 37 may be connected by breakable bridges.
• the band 37 falls towards the flange 26 against which it bears by an internal peripheral bead 37b.
• the dimensions of the flange 26 and the ring 37 are chosen so that the flange 37 retains the ring 37 by its heel 37b and the center substantially on a central axis X-X 'of the neck 2.
• the difference di between the distances d2 3 and d26 is such that, after rupture of the zone of weakness 38 and as shown in FIG. 7, the distance d 2 between the upper edge 37a of the tamper band 37 and the collar 23 is greater than 0.5 mm, preferably 1 mm, mistletoe facilitates good visualization of the fact that the tamper-evident tape 37 has been separated from the stopper 31.
• the distance d is also chosen so 'that, in In the configuration of FIG. 7, the axial distance d 3 between the upper edge 37a of the tamper-evident band 37 and the lower edge 31a of the plug is greater than 0.5 mm, preferably greater than 1 mm, as in the modes previous embodiments.
• the width 1 26 is smaller than the width 1 23 because the tamperproof band 37 must be able to rest against and around the collar 26, being centered thereon, after its separation from the stopper 31, while it must not be able to cross the flange 23 during a displacement towards the outlet D of the collar 2, whether during the first opening of the bottle 1 or when used later.
• the surface of the neck 2 located between the flanges 23 and 26 may be frustoconical and divergent towards the outlet D, as in the previous embodiments.
• the invention has been shown, in the first embodiment, with a sealing strip 37 provided with an inner tongue 39 which can have a clearance with respect to the main part of the strip 37.
• the sealing strip comprises an internal bead 37b.
• the invention is applicable regardless of the exact type of sealing strip 37.
• the invention has been shown, in the first embodiment, with a cap 31 formed of a cap 32 and an inner ring 33. It is however applicable with any type of screw cap, monobloc, as in the third mode implementation, or multipartite. Moreover, the presence of the sealing disc 35 is not mandatory, as is apparent from the third embodiment.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Ceramic Engineering (AREA)
• Closures For Containers (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37307326

Family Applications (1)

Country Status (4)

Cited By (4)

Citations (4)

• 2007
  • 2007-04-19 WO PCT/FR2007/000662 patent/WO2007122324A1/fr active Application Filing
  • 2007-04-19 CA CA002649573A patent/CA2649573A1/fr not_active Abandoned
  • 2007-04-19 EP EP07731326A patent/EP2007643A1/fr not_active Withdrawn
  • 2007-04-19 MX MX2008013322A patent/MX2008013322A/es not_active Application Discontinuation

Patent Citations (4)

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