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
  • 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
  • B65D41/46—Snap-on caps or cap-like covers
• • 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
  • B65D55/00—Accessories for container closures not otherwise provided for
  • B65D55/16—Devices preventing loss of removable closure members

Definitions

• the invention relates to an assembly comprising a container and a plugging device that is equipped with a plug and that allows said plug to be kept fixed to the neck of the container, thus preventing loss of the plug in nature.
• such assemblies include a container and a plugging device that includes a plug and that allows the plug to be kept fixed to the neck of the container.
• a plugging device that includes a plug and that allows the plug to be kept fixed to the neck of the container.
• the container includes a neck that is equipped with a dispensing orifice that allows the contents of the container to be poured, a support collar that protrudes radially relative to the axis of the neck, and a lock washer that protrudes radially relative to the axis of the neck, and It is arranged between the support collar and the distribution hole.
• the plugging device includes a lower ring that is intended to be retained in the neck of the container, a plug that is intended to cover the orifice of the container so as to seal it, and a linking device that links the plug to the lower ring.
• the lower ring is held axially on the neck of the container by means of a lock washer.
• the locking washer has a frusto-conical shape that tapers upwards, that is to say towards the hole in the container.
• the coupling washer delimits, downwards, that is to say in one direction opposite the hole, a stop.
• the lower ring includes retaining elements that protrude radially inward. During assembly of the plugging device to the neck of the container, the retaining elements slide against the frusto-conical surface of the latch washer and subsequently snap into place behind the latch washer. The lower ring is then retained between the lock washer and the support collar. Such a plugging device is not entirely satisfactory.
• the tear resistance of the lower ring is limited and consequently does not allow a sufficiently reliable guarantee that the cap will remain permanently attached to the container.
• An idea on the basis of the invention is to propose an assembly that comprises a blow-molded container that is easier to make and that allows an increase in the resistance to tear-out of the corking device intended to be permanently attached to the neck of the container. and this without significantly increasing the weight of the container.
• the invention provides an assembly comprising a blow-molded plastic container and comprising a neck comprising:
• - a plugging device comprising: - a lower ring that is retained between the engagement washer and the support collar and that cooperates with the cylindrical part;
• a plug comprising an upper wall intended to be arranged opposite the hole in the neck;
• the cylindrical portion has an internal diameter between 24 and 28 mm, an external diameter between 25.6 and 30.4 mm and a height between 2.70 and 3 mm.
• the neck has such dimensions that it is possible to use a lower ring with a larger section, in order to increase its resistance to starting and without thereby considerably increasing the weight of the neck.
• the neck has an internal diameter d1 which is advantageous because, on the one hand, it is large enough to allow a sufficient air flow to optimize blowing operations and, on the other hand, it is sufficiently reliable to limit the amount of material used. for the manufacture of the neck.
• such a plugging device may have one or more of the following characteristics.
• the internal diameter of the cylindrical portion is between 25 and 27 mm, preferably between 25.5 and 26 mm and for example of the order of 25.70 mm.
• the outer diameter of the cylindrical part is between 27 and 29 mm, preferably between 27.5 and 28 mm and for example of the order of 27.7 mm.
• the height of the cylindrical part is between 2.80 and 2.90 mm, for example of the order of 2.87 mm.
• the cylindrical part comprises a thickness of between 0.8 and 1.2 mm, for example of the order of 1 mm.
• the neck ' has a weight of between 1.3 and 1.7 g, for example of the order of 1.4 g.
• the lower ring has a height of between 3.36 and 3.66 mm for more than 50% of its periphery, for example of the order of 3.51 mm.
• the cap comprises an external fin which, in a closed position of the cap, surrounds the neck of the container, the external fin comprising a downwardly projecting lug and presenting on an internal surface a projecting surface which, when the cap is in the closed position, it becomes interlocked by elastic recovery behind the engagement washer, the lower ring comprising a cutout in which the lug of the cap protrudes.
• the lower ring has, in the area equipped with the cutout, a height of between 1.76 and 2.16 mm, for example of the order of 1.91 mm.
• the hooking washer has a frusto-conical surface that tapers upwards and the lower ring comprises retaining elements that protrude radially inward and that are configured to, during assembly of the plugging device on the neck , slide against the frusto-conical surface of the lock washer and then snap into place behind the lock washer.
• the retention elements are protrusions that protrude radially inward from the lower ring.
• the lower ring has, at the height of the protrusions, a maximum radial dimension comprised between 1.68 and 1.98 mm, for example, of the order of 1.83 mm.
• the joining device includes two elastic blades that link the outer peripheral fin and the second sector, including the device plugging device furthermore a locking device configured to lock the plug in the tilted open position.
• the locking device includes a tongue arranged between the two elastic blades and extending upwards from the lower ring and a bead that protrudes radially outward from the outer peripheral fin, the bead being arranged to bear against the tongue during the pivoting of the cap between a closed position and an open tilted position, the elastic blades, the tongue and the heel being configured in such a way that, during the pivoting movement of the cap between its closed position and its position tilted open, the elastic sheets are subjected to a tensile force that increases to an intermediate unstable position and subsequently decreases from said intermediate unstable position towards the open tilted position.
• FIG. 1 is a perspective view of a plugging device.
• FIG. 1 is a front view of the plugging device of Figure 1.
• FIG. 3 is a view from behind of the plugging device of Figures 1 and 2.
• FIG. 4 is a perspective view of a neck intended to receive the plugging device of Figures 1 to 3.
• FIG. 5 is a partial sectional view of the plugging device of Figures 1 to 3 mounted on the neck of Figure 4.
• - Figure 6 is a sectional view of the neck of Figures 4 and 5.
• the axis X corresponds to the axis of revolution of the container.
• the "radial” orientation is directed orthogonal to the X axis.
• the terms “external” and “internal” are used to define the relative position of one element in relation to another, by reference to the X axis, an element close to the axis. X is rated as well as internal as opposed to an external element located radially on the periphery.
• the terms “upper” and “lower” are used to define the relative position of one element in relation to another by reference to a position in which the hole in the neck is directed upwards and the cap is in a closed position on the neck. of the container, an element intended to be positioned lower is designated by lower and an element intended to be positioned higher is designated by upper.
• Container 1 is for example a bottle.
• the bottle has, for example, a capacity of 150 el.
• the container 1 is made of plastic material and is shaped by a blow molding process.
• a manufacturing process includes a first stage during which a tubular preform having an orifice is made and a second stage during which the preform is placed in a blow mold and a compressed gas is injected into the interior of the tubular preform through said hole in the preform so that the material stretches and becomes flat against the mold so that it takes the shape of said mold.
• the neck 2 of the container 1 includes an upper end in which a distribution orifice 5 is arranged that allows pouring the contents of the container 1.
• the neck 2 of the container 1 includes a support collar 6 that protrudes radially outward and a locking washer 7 that also protrudes radially outward and is arranged axially between the support collar 6 and the distribution hole 5.
• a cylindrical part 8 is arranged axially between the support collar 6 and the distribution hole 5.
• the hooking washer 7 has a frusto-conical shape that tapers upwards, that is to say in the direction of the distribution hole 5 of the container 1.
• the hooking washer 7 delimits downwards, that is to say in a direction opposite to the dispensing hole 5, a stop.
• the plugging device 3 mainly represented in Figures 1 to 3, includes a lower ring 9 that is retained in the neck 2 of the container 1, a plug 4 that is intended to cover the distribution orifice 5 of the container 1 so that seals it and a link device 10 that links the plug 4 to the lower ring 9.
• the cap 4 includes an upper wall 11 intended to be arranged orthogonally to the X axis in front of the distribution orifice 5 of the neck 2, an external peripheral fin 12 intended to surround the neck 2 of the container 1 and a internal flap 13 which, in the closed position of the cap 4, is inserted inside the dispensing orifice 5.
• the external peripheral flap 12 and the internal flap 13 project downwardly from the upper wall 11.
• the plug 4 also includes an annular lip 14 extending from the upper wall 11, radially between the outer peripheral fin 12 and the inner fin 13. When the cap 4 is in the closed position, the annular lip 14 and the inner fin 13 are in contact against the inner face of the neck 2 in such a way as to ensure the tightness of the closure.
• the cap 4 also includes a gripping rim 15, shown in Figures 1 and 2, which protrudes radially outward.
• the gripping rim 15 is advantageously arranged on the opposite side of the connecting device 10.
• the gripping rim 15 thus forms a gripping surface intended to facilitate the visibility, interpretation and manipulation of the cap 4, mainly for the purpose pivoting to the tilted open position.
• the plug 4 further includes a lug 16 arranged in an area diametrically opposite to the attachment device 10.
• the lug 16 protrudes downward from the lower rim of the outer peripheral fin 12 into a cutout 17 arranged in the lower ring 9.
• the lug 16 comprises, on its internal surface, a projecting surface which, when the cap 4 is in the closed position, becomes interlocked, by elastic extension behind the support provided by the hooking washer 7.
• the connecting device 10 is configured to allow the cap 4 to pivot between a closed position, shown in Figures 1, 2, 3 and 5, and a tilted open position, not shown, in which the cap 4 disengages from the dispensing orifice. 5 and does not hinder the pouring of the contents of the container 1.
• the connection device 10 includes two elastic blades 18 that connect the cap 4 and more particularly the outer peripheral fin 12 of the cap 4 to the lower ring 9.
• the plugging device 3 also includes a locking device, also shown in FIG. 3, arranged to lock the plug 4 in the tilted open position.
• the locking device includes a tab 19 that extends upwardly from the upper edge of the lower ring 9.
• the tab 19 is disposed between the two elastic blades 18.
• the locking device further includes a butt 20 that protrudes radially toward the end. exterior, from the outer peripheral fin 12 of the cap 4.
• the heel 20 is configured to abut against the tab 19 when the cap 4 is pivoted to the tilted open position so as to lock the cap 4 in said tilted open position.
• the elastic blades 18, as well as the locking device are configured in such a way that, during a first part of the movement of the cap 4 from the released position to the tilted open position, the two elastic blades 18 are subjected, due to the support of the heel 20 on the tongue 19, at a pulling force that increases to an intermediate unstable position and subsequently decreases from said intermediate unstable position to the tilted open position. This enables the cap 4 to be locked in the tilted open position.
• the lower ring 9 is attached, before the first opening of the container 1, to the cap 4 by means of breakable bridges 21, visible in Figures 2, 3 and 5, intended to break during the opening of the cap 4.
• breakable bridges 21 thus constitute evidence of inviolability. More particularly, the breakable bridges 21 are distributed around the X axis and join the upper edge of the lower ring 9 and the lower edge of the outer peripheral fin 12.
• the lower ring 9 includes retention elements 22, as shown in FIG. 5, which make it possible to retain the lower ring 9 on the neck 2.
• the retention elements 22 are protrusions projecting radially inward from the lower ring 9.
• the protrusions have a radial dimension that increases from bottom to top, that is to say towards the upper edge of the lower ring 9.
• the internal diameter of the neck 2 presents its smallest dimension at the height of its cylindrical part 8 arranged axially between the engagement washer 7 and the support collar 6
• the cylindrical part 8 has an internal diameter d1 which is between 24 and 28 mm, advantageously between 25 and 27 mm, preferably between 25.5 and 26 mm and for example of the order of 25.70 mm.
• Such an internal diameter d1 is advantageous because, on the one hand, it is large enough to allow a sufficient air flow during blowing operations and, on the other hand, it is sufficiently small to limit the amount of material used to manufacture the neck 2.
• the wall thickness of the cylindrical part 8 of the neck 2 is between 0.8 and 1.2 mm and preferably of the order of 1 mm.
• the outer diameter d2 of the cylindrical part 8 is comprised between 25.6 mm and 30.4 mm, advantageously between 27 and 29 mm, preferably between 27.5 and 28 mm and for example of the order of 27.7 mm.
• the cylindrical part 8 arranged between the hooking washer 7 has a height between 2.70 and 3 mm, advantageously between 2.80 and
• the weight of such a neck 2 is comprised between 1.3 and 1.7 g, for example of the order of 1.5 g, the neck 2 of the container 1 being defined as consisting of the cylindrical upper part of container 1 as shown in Figures 4 and 6.
• the dimensions of the lower ring 9 are described below.
• the lower ring 9 has a height h2 between 3.36 and 3 , 66 mm, for example, on the order of 3.51 mm.
• the lower ring 9 has at least a thickness comprised between 0.5 and 0.6 mm, for example, of the order of 0.55 mm.
• the lower ring 9 has a height h3 of between 1.76 and 2.16 mm, for example, on the order of
• the lower ring 9 has, at the height of the protrusions that form the retaining elements 22, a maximum radial dimension r1 comprised between 1.68 and 1.98 mm, for example, of the order of 1.83 mm.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Ceramic Engineering (AREA)
• Closures For Containers (AREA)
• Containers Having Bodies Formed In One Piece (AREA)
• Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=73030153

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (1)

Citations (1)

Family Cites Families (4)

• 2019
  • 2019-10-03 ES ES201930858A patent/ES2817650A1/es active Pending
• 2020
  • 2020-09-29 EP EP20797810.7A patent/EP4039613A1/de active Pending
  • 2020-09-29 WO PCT/ES2020/070587 patent/WO2021064268A1/es unknown
  • 2020-09-29 GB GB2205079.3A patent/GB2602922B/en active Active
  • 2020-09-29 BR BR212022006423U patent/BR212022006423U2/pt unknown
  • 2020-09-30 AR ARP200102717A patent/AR120126A1/es unknown
  • 2020-10-01 UY UY0001038902A patent/UY38902A/es unknown

Patent Citations (1)

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