EP1660379A1 - Fermeture avec bande inviolable cassable - Google Patents

Fermeture avec bande inviolable cassable

Info

Publication number
EP1660379A1
EP1660379A1 EP04737650A EP04737650A EP1660379A1 EP 1660379 A1 EP1660379 A1 EP 1660379A1 EP 04737650 A EP04737650 A EP 04737650A EP 04737650 A EP04737650 A EP 04737650A EP 1660379 A1 EP1660379 A1 EP 1660379A1
Authority
EP
European Patent Office
Prior art keywords
closure
container
tamper
neck
evident
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.)
Withdrawn
Application number
EP04737650A
Other languages
German (de)
English (en)
Other versions
EP1660379A4 (fr
Inventor
Christopher Lyndon Higgins
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.)
RBC TRUSTEES (CI) LIMITED AS TRUSTEE OF THE BAYVIE
Original Assignee
Abacus CI Ltd
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
Priority claimed from AU2003904044A external-priority patent/AU2003904044A0/en
Priority claimed from AU2003904196A external-priority patent/AU2003904196A0/en
Priority claimed from AU2003904359A external-priority patent/AU2003904359A0/en
Priority claimed from AU2003904527A external-priority patent/AU2003904527A0/en
Priority claimed from AU2004200617A external-priority patent/AU2004200617A1/en
Application filed by Abacus CI Ltd filed Critical Abacus CI Ltd
Publication of EP1660379A1 publication Critical patent/EP1660379A1/fr
Publication of EP1660379A4 publication Critical patent/EP1660379A4/fr
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
    • B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element 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
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B65D41/0421—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck and combined with integral sealing means contacting other surfaces of a container neck
    • 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
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck
    • 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
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • B65D51/2814—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by piercing, cutting or tearing an element enclosing it
    • B65D51/2828—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by piercing, cutting or tearing an element enclosing it said element being a film or a foil

Definitions

  • the present invention relates to closures for containers, and more particularly to tamper-evident closures for containers.
  • the tamper-evident band does not drop away from the closure body but remains by means of interference between the tamper-evidence band and the container neck held on the neck in a similar position to the tamper band on an un-op ⁇ ned package or in the case of malicious tampering a container may be opened and contaminants introduced and the closure replaced and the tamper-evidence band pushed back into close proximity to the closure to give the appearance of an unopened package. It is an object of the present invention to overcome or ameliorate at least one of the disadvantages of the prior art, or to provide a useful alternative.
  • One aspect of the present invention deals especially with the need for a proper relationship between sealing means and tamper-evidence means such that the tamper- evidence means operates prior to the seal being breached. This avoids the possibility apparent with many so-called tamper-evident closures whereby by malicious tampering or inappropriate application torque and/or relaxation of the closure causing the seal between closure and container neck to be breached without the tamper- evidence means operating and allowing the contents to be degraded by action of atmosphere or the malicious introduction of contaminants.
  • a further aspect of the present invention provides a tamper-evident closure for a container with tamper-evident means and means of dispensing one or more additives into the container and a tamper-proof cover to protect additive dispensing means.
  • a further aspect of the present invention provides a tamper-evident closure for a container with tamper-evident means and a dispensing means for dispensing the contents of the container in a controlled or limited manner, and a re-usable tamper proof cover for said dispensing means,
  • Fig. 1 depicts the dispensing end of a container, with the neck of the container adapted to include tamper-evident features according to one aspect of the present invention
  • Fig. 2 depicts the dispensing end of the container illustrated in Fig. 1, with an alternative embodiment of the tamper-evident features on the neck of the container
  • Fig. 3 is a cross-sectional elevation of a tamper-evident closure according to a preferred embodiment of the present invention
  • Fig. 1 depicts the dispensing end of a container, with the neck of the container adapted to include tamper-evident features according to one aspect of the present invention
  • Fig. 2 depicts the dispensing end of the container illustrated in Fig. 1, with an alternative embodiment of the tamper-evident features on the neck of the container
  • Fig. 3 is a cross-sectional elevation of a tamper-evident closure according to a preferred embodiment of the present invention
  • Fig. 1 depicts
  • FIG. 4 is a cross-sectional elevation of a tamper-evident closure located on the neck of a container
  • Fig. 5 is an enlarged view of a projection located on the neck of the container illustrated in Fig. 1
  • Fig. 6 is a cross-sectional plan view of the neck of the container illustrated in Fig. 1, taken in the plane W-W
  • Fig. 7 is an enlarged view of a preferred embodiment of a tamper-evident band according to an aspect of the present invention
  • Fig. 7a is a view of the mould assembly apparatus for forming the tamper- evident closure illustrated in Fig. 2
  • Fig. 7b is an enlarged view of the mould assembly apparatus shown in Fig.
  • Fig. 7a illustrating the formation of the lower section of the skirt and tamper-evident band of the closure
  • Fig, 8 is a cross-sectional elevation of a tamper-evident closure located on the neck of a container according to a further aspect of the present invention
  • Fig. 9 is a cross-sectional elevation of a tamper-evident closure according to a further aspect of the present invention and including a dispensing arrangement for dispensing an additive to the contents of the container
  • Fig. 10 is a further embodiment of the tamper-evident closure depicted in Fig. 9
  • Fig. 11 is a further embodiment of the tamper-evident closure depicted in
  • Fig. 9 Fig. 12 is a cross-sectional elevation of a tamper-evident dispensing closure according to a further aspect of the present invention, illustrated in position on the neck of a container;
  • Fig. 13 is a cross-sectional elevation of a further embodiment of the tamper- evident dispensing closure illustrated in Fig. 12 further including a tamper-evident cover;
  • Fig. 14 is a plan view of the tamper-evident dispensing closure shown in Fig. 12;
  • Fig. 15 is a cross-sectional elevation of a further embodiment of a dispensing portion of a dispensing closure and cover;
  • Fig. 1 is a view of the mould assembly apparatus for forming the closure illustrated in Fig.
  • Fig. 17 is a cross-sectional elevation of a further embodiment of tamper- evident closure and cover
  • Fig. 18 is a cross-sectional elevation of an orifice device and associated cover for fitting to the dispensing orifice of a container closure.
  • Figs. 19 to 24 illustrate a prior art tamper-evident closure
  • Fig. 25 illustrates a further embodiment of tamper-evident closure according to a further aspect of the present invention
  • Fig. 26 illustrates a prior art tamper-evident closure
  • Figs. 27 to 33 illustrate a further embodiment of tamper-evident closure, and apparatus for making same, according to a further aspect of the present invention
  • Figs. 19 to 24 illustrate a prior art tamper-evident closure
  • Fig. 25 illustrates a further embodiment of tamper-evident closure according to a further aspect of the present invention
  • Fig. 26 illustrates a prior art tamper
  • FIGS. 34 to 36 illustrate a further embodiment of a container closure incorporating various aspects of the present invention
  • Figs 37, 38 and 38a illustrate a further embodiment of the tamper-evident closure, incorporating a receptacle or cup to enable items to be contained within the closure receptacle.
  • Fig. 1 illustrates a neck portion 10 of a container.
  • the container is an injection blow-moulded container formed from a suitable material such as polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the neck 10 includes a helically threaded section 12 formed on the external surface 14 of the neck 10.
  • the threaded section 12 is integrally formed on the neck 10.
  • the threaded section 12 is threads are adapted to engage with a complementary helically threaded section on the internal face of the skirt of a tamper-evident closure.
  • the neck 10 includes an annular tamper-evident bead 16 located below the threaded section and extending radially outward from the external surface of the neck 10.
  • the tamper-evident bead 16 is preferably moulded on the external surface of the neck 10. Extending downwardly from the bead 16 are one or more discretely spaced projections 18 located around the circumference of the neck 10.
  • the container neck 10 is provided with four substantially equally spaced projections 18.
  • the projections 18 are adapted to engage with tabs on a tamper-evident band of a closure and facilitate the breaking the band from the skirt of the closure. Fig.
  • FIG. 3 is a cross-section of a tamper-evident closure 100 adapted to fit to the container neck portion 10 illustrated in Fig. 1 ,
  • the closure 100 is depicted prior to its application to a container 10.
  • the closure is a one-piece moulded construction.
  • the closure 100 includes a top wall 102 and downwardly extending skirt 104.
  • the closure includes a helically threaded section 106 located on the internal face 108 of the skirt which is adapted to engage with the corresponding helically threaded section 12 on the external surface of the neck 10 of the container.
  • the closure further includes a tamper-evident band 110 which extends downwardly from the skirt of the closure.
  • the tamper-evident band is connected to a lower surface 112 of the skirt 104 by a frangible section 114 formed by a series of circumferentially spaced ribs 116 separated by slots 118.
  • the ribs 116 are of a cross-section which provides sufficient strength to withstand typical forces which may be imparted during handling and/or the application of the closure to the container neck.
  • the tamper- evident band includes an annular wall 120 from which extends a series of discretely spaced tabs 122.
  • the tabs 122 are connected to the lower surface of the annular wall 120 by means of a hinged section 124.
  • each tab 122 includes an engagement face 124 adapted to engage with a projection 18 on the neck 10 of the container during removal of the closure from the container.
  • Extending downwardly from the inner surface of the top wall 102 of the closure is an annular sealing member 130.
  • the sealing member 130 includes a circumferentially extending apex 132 adapted to seat against the inner wall of the neck portion of the container and provide sealing of the container.
  • Fig. 5 is a cross-section taken in the plane Y-Y of Fig. 1 between Z-Z', illustrating the profile of a projection 18, whilst Fig. 6 is a cross-section of the neck portion taken in the plane W-W of Fig. 1 illustrating a preferred location of the projections 18 around the outer periphery of the neck.
  • Fig. 6 is a cross-section of the neck portion taken in the plane W-W of Fig. 1 illustrating a preferred location of the projections 18 around the outer periphery of the neck.
  • the projections 18 are moulded on the external surface of the neck below the tamper-evident bead 16.
  • Each projection comprises a series of faces, 18a, 18b and 8c.
  • Face 18a is of a dimension J which is equal to or less than the distance that the tamper bead 16 projects beyond the external surface of the container neck.
  • Face 18a is designed to interact with tabs 122 on closure 100 such that upon rotation of the closure, the engagement face 124 of tab 122 engages with the angled engagement face 18a.
  • Fig. 2 depicts an alternative embodiment wherein the face 18a includes a portion 18a' of varying angle with respect to the plane of the lower surface of the tamper-evident bead 16.
  • the face has an initial curved section which provides a gently increasing angle with respect to the lower surface of the bead.
  • the face 18a may comprise two or more discrete planar surfaces of progressively increasing angle with respect to the tamper-evident bead 16.
  • the face 18a has an initial surface angled with respect to the plane of the lower surface of the tamper-evident bead 16, followed by one or more further surfaces of increasing angle with respect to the plane of the lower surface of the tamper-evident bead 16.
  • Fig. 4 shows sealing means in sealing engagement with the external wall of container neck 10.
  • the distance between the underside face of container tamper-evident bead 16 and the projection face 18m and the extent and location of the progressively ramped portion 18a' of projection face 18a are designed to take into account: (i) the distance representing clearance between tamper-evident band 110 engagement surfaces 124 and the underside of tamper bead 16 when the closure is fully applied to the containe .
  • Face 18b is of a dimension K which at least exceeds the width of the space 122c between the engagement portions 122 of the tamper-evident band 110 so that the free ends 126 of the tabs 122 will be retained below the edge 18m of the projection 18, thereby making a more visible gap between the severed tamper-evident band 110 and the closure skirt 104.
  • FIG. 7 is a partial perspective cross-sectional view of a preferred embodiment of the tamper-evident band 110 prior to application to a container.
  • the tamper- evident band 110 depends from the lower face of the skirt of the closure (not depicted) by means of a series of ribs 116 which form a frangible section.
  • the band includes an annular wall 120 and a plurality of circumferentially spaced tabs 122 connected to an inner surface of the annular wall.
  • the tabs 122 extend from the lower surface of the annular wall 118 by means of a hinged section 124.
  • the tabs 122 terminate at a free , _schreib-.05/012125
  • the tabs 122 extend radially inwardly at an obtuse angle with respect to the annular wall 120 and then are subsequently bent inwardly along the hinge line 124.
  • the engagement surfaces 124 of the tabs 122 have an angle corresponding to the angled faces 18a of the projections 18 so that engagement surfaces 124 tend to make contact with faces 18a over a greater portion of the engagement surface 124. This tends to avoid the curling or folding of the junction of surface 124 and 124a thereby assisting in directing engagement surface 124a downwards along angled faces 18a.
  • one or more perforations 128 are provided along the hinge line 124 to allow for drainage of product spilled during the filling process.
  • Recesses 122a of width R and depth S are provided between each tab 122.
  • the depth *S' is preferably such that during application of the closure to the container the hoop strength existing in the continuous annular portion of the band along line extending from the bases 122e of recess 122a is sufficiently reduced to enable flexing along the line of the bases 122e of the recess 122a to facilitate a more easy application of the closure to the container.
  • the depth 'S' of the recess 122a is preferably greater than the distance between dotted lines and X of Fig.
  • the continuous annular portion of the engagement portions 122 of the tamper-evident band 110 along the line extending from the bases 122e of recess 122a enhances the effectiveness of contact between said engagement surfaces 124a and said angled engagement faces 18a by assisting to maintain the location of engagement surface 124a.
  • the ramped upper shoulder of the tamper-evident bead 16 urges the tamper-evident bead engagement portion 122 of the tamper-evident band 110 against the inside wall of the tamper-evident band so that the tamper-evident band 110 may pass over the tamper-evident bead 16 and the ramped surfaces 18c of projections 18 urge the free edges of the upper regions of engagement portions 122 against the inside wall of said tamper-evident band 110 so that the said engagement portions of the tamper-evident band 110 may pass over the projections 18.
  • At least four of the recesses 122a referred to as location recesses may have dimension 'R' increased in size and located so that upon full application to the container neck the center point of each said location recess is approximately adjacent the center of each of the similar number (being four in this example) of projections 18 such that the engagement surfaces 124 have clearance from either side of at least faces 18b of projections 18.
  • at least four other recesses 122a are smaller in 'R' dimension than the said location recesses and ideally smaller in 'R' dimension than the length of that portion of lower face 18m which adjoins face 18b of projections 18.
  • the closure is designed according to the following formula (formula A): A ⁇ B + C + D + E + F wherein: (i) A is the distance over which the sealing member can seal against the inner wall or outer wall (example not shown) of the neck portion of the container; (ii) B is the distance between the engagement surface 61 of the tamper- evident bead 16 and the engagement surface 124 of the tabs 122 when the closure is fully applied to the container; (iii) C is the amount of compression that occurs in the said tamper-evident band tabs 122 during the process of removal of the closure; (iv) D is the amount of stretch that occurs under stress during closure removal in the skirt and the frangible ribs 116 connecting the following formula (formula A): A ⁇ B + C + D + E + F wherein: (i) A is the distance over which the sealing member can seal against the inner wall or outer wall (example not shown) of the neck portion of the container; (ii) B is the distance between
  • the engagement portion of the tamper-evident band 1 0 may be moulded in a position such that the angle 'A' between line Al extending from and parallel to the inside wall of the tamper band 110 and line A2 extending from and parallel to the outside wall of the annular engagement portion 122 of the tamper-evident band is greater than 0° and less than 45°, and preferably approximately 30°.
  • Fig, 6 is a cross-section of the container neck 10 showing the preferred location of ramped projections 18 below tamper bead 16 (represented by the annular broken line).
  • a method of manufacture and mould assembly to form the container neck is as follows.
  • the line V-V is the parting line of two mould portions.
  • the mould part line may advantageously follow the path dictated by the boundary between faces 18a and 18b, or 18b and 18c, so that at least the ramped faces 18a in the projections 18-2 and 18-4 may be formed in the mould portions Q , Qi respectively.
  • the angle between the leading edge of the projections and the wall of the neck, shown as "F" in Fig. 6, is preferably 90° or less.
  • the section is nominally divided into four equal quadrants, with quadrants Qi and Q 2 both being in the mould first half and quadrants Q 3 and Q 4 being in the mould second half, wherein Qi lies between 270° and 360°, Q 2 lies between 0° to 90°, Q 3 lies between 90° to 180°, and Q 4 lies between 180° to 270°. Only in quadrants Qi and Q 3 , or at the juncture between them and quadrants Q 2 and Q4.
  • faces 18a be formed with an angle *F' of 90° or less.
  • Projections 18 moulded with face 18a formed in quadrant Qi from 270 to about 359° (the difference between 359 and 360° representing an allowance for "draw” to enable the mould to open without interference with at least the faces 18a) may have faces with angle 'F' decreasing from 90° by 1° for every degree less than 359°, and similarly in quadrant Q 3 from 179°.
  • angle 'F' less than 90° is advantageous in that the free edges 124, 124a of engagement portions 122 upon removal rotation of the closure and contact with faces 18a will tend to be urged inwards across faces 18a towards the neck wall 14 and thereby to remain in close proximity to faces 18a and the container neck wall 14 tending to ensure continued movement downwards along face 18a.
  • projections 18 are moulded with at least the surface of faces 18a formed by the mould in quadrants Q 2 and Q (other than at the juncture with quadrants 1 and 3) faces 18a will have angles 'F' greater than 90° which will upon removal rotation of the closure have the undesirable effect of tending to direct the free edges 124, 124a of engagement portions 122 away from container wall 14 and past projection 18,
  • the mould parting line may deviate (from a centreline where one mould half is a mirror of the other) to accommodate the forming of one or two of projections 18 thus one half of the mould may project across the "mirror image parting line" into the space normally occupied by the second mould half and the said second mould half will have a corresponding shape to accommodate the projecting first half.
  • container neck preferably has four of projections 18 located equidistant, or substantially equidistant, so that within approximately the first 90 to 120° of closure removal rotation most of the free ends 124 and 124a of engagement portions contact the said projections and are urged downwards along faces 18a thereby placing axial stress on and substantially or completely severing the majority frangible bridges and moving the tamper band 110 below the lower surface 18m of projection 18 providing an early and more visible tamper-evidence.
  • container neck preferably has two or more of projections 18 located in quadrants Q. and Q 3 such that all projections 18 have an angle *F' less than 90° or substantially equidistant so that within approximately the first 90° of closure removal rotation most of the free ends 124 and 124a of engagement portions contact the said projections and are urged downwards along faces 18a thereby severing the majority frangible bridges and moving the tamper band 110 below the lower surface 18m of projection 18 providing an early and more visible tamper-evidence.
  • the parting line VI -VI in Fig. 1 may vary from that shown and still achieve the forming of the said ramped projections.
  • the container mould may also be of the expanding cavity type with more than two segments which will allow moulding of at least one of projections 18 in each segment of an expanding cavity mould.
  • the moulding of the closure 100 depicted in Fig. 4 will now be described with reference to Fig. 7a.
  • the sequence of moulding steps is as follows.
  • core 4 moves in the direction of the arrow in order to release the inside bore seal 130.
  • the outer core sleeve moves also in the same direction in order to release the outside of the tamper-evident band 110.
  • Stripper ring 22, ejector sleeve 5 and inner core 6 move in the opposite direction.
  • closure 100 has been stripped of the threaded core 3
  • bore seal 130 has also been totally freed from the threaded core 3.
  • the inner barrel 42 is also clear of front face of core 4.
  • inner core 6 and stripper 21 are arrested.
  • the ejector sleeve 5 is then pushed further forward resulting in inner barrel 42 being pushed off inner core 6 and outside of the tamper-evident ring 110 being pushed outside of stripper ring 22.
  • the undercut 44 is free to pass over inner core 6 as core 4 is completely disengaged from inner barrel 42.
  • Figs. 8 to 11 illustrate a further aspect of the present invention.
  • FIG. 8 depicts a closure 100 having a top wall 20 with a circular opening 22 of diameter "P" formed therein.
  • One or more annular ribs 24 are provided on the peripheral surface of the opening 22.
  • the closure 100 includes a depending skirt 30 having helical threads 32 adapted to cooperate with corresponding helical threads 66 on the external surface of the container neck 60 to apply and remove the closure to and from container neck.
  • Fig. 9 illustrates the closure 100 of Fig. 8 with a plunger housing 200 fitted in the opening 22 of the top wall 20.
  • the plunger housing 200 is illustrated as a separate component, it may be integrally formed as part of the closure 100.
  • the plunger housing 200 includes a pair of radially extending flanges 210, 212 which act to locate and retain the housing 200 within the opening in the top wall 20 of the closure.
  • the housing 200 is pressed into position, in the top wall 20, with the lower flange 210 including an angled face 214 to facilitate insertion of the plunger housing into the opening 22.
  • the upper flange 212 may be of greater diameter than the lower flange 210.
  • the plunger housing 200 Located between the radial flanges 210, 212 the plunger housing 200 has an outer wall 220 of diameter "R" which is in sealing engagement with the annular ribs 24 located in the opening of the top wall 20.
  • the plunger housing 200 has an inner wall 230 which defines a bore 232 for receiving plunger 240.
  • the bore 232 includes a pair of annular ribs 234, 236 which are in sealing engagement with outer wall 242 of plunger 240.
  • the annular ribs 234, 236 serve to retain the plunger 240 in a non-actuated position (as shown in Fig.
  • the plunger housing 200 has an annular end wall to which is affixed sealing member 250 which covers and seals the open end of the plunger housing 200.
  • the sealing member may, for example, be formed from aluminium foil, plastic or other suitable material.
  • the sealing member 250 may be integrally formed as part of the plunger housing 200 and be manufactured with lines of weakness to facilitate breaking of sealing member 250 when plunger 240 is moved sufficiently in the direction 'Q'. Referring to Fig. 10, an additive 260 is shown by dotted lines.
  • the additive may take away from, for example one or more capsules or tablets, a powder, or a liquid.
  • the additive may comprise, for example, vitamins, diet sup ⁇ lement(s), a herbal product, an alcoholic beverage or spirit, a condiment, a sweetener or a flavouring.
  • the additive may be separately sealed within a packaging material such as aluminium foil.
  • the additive occupies a substantial portion of the space bounded by the plunger housing, the inner wall 230, sealing member 250 and the plunger actuator end wall 221.
  • the additive 260 is kept separate from the contents of the container (not shown) and separate from the atmosphere by plunger housing, inner wall 230, outer wall 208, annular sealing engagement features 201 and 201a, sealing member 250, plunger actuator, plunger end wall 221, and annular sealing engagement features 225.
  • one end wall of the separate packaging preferably extends to the annular edge of the outer wall 208 and the separate packaging is affixed and sealed to the end wall 207 similar to as shown by the position of sealing element 250 or sealed to the end wall 207 and the immediately adjacent outer wall 208 so that the material outer edges of the separate packaging are retained on the end walls 207 so that the additive element may be pushed into the contents of the container through the end of the said separate packaging by the movement of the end wall or disc 221 when the plunger 240 is moved to its full extent in direction *Q ⁇
  • the relative location of the end wall 221 the plunger 240 is designed so that the distance travelled in direction 'Q' by the end wall or end wall 221 is sufficient to completely eject the additive 260 from plunger housing 200 when the lower wall 227 of actuator 224 comes in contact with upper wall 231 of plunger housing 200.
  • the body of the plunger 240 may be designed such that it has an open end.
  • An actuator disc 224 is formed separately as a cover cap or closure.
  • the cover cap or closure may be attached to the body of the plunger by known means such as thread or clip means 241 to cooperating thread or clip means 228 formed on at least one of the outer or inner wall of the plunger.
  • a stop means 229 located on the outer wall of plunger 240 acts to restrain the extent of movement of the plunger in direction *Q' upon stop means 229 abutting upper wall 231 of plunger housing 200.
  • the cover cap 240 and the plunger actuator cylinder 226 may be formed as a two piece assembly operating similarly to prior art 05/012125
  • Figs. 12 to 15 illustrate a further aspect of the present invention.
  • Fig. 12 shows a cross sectional view of a closure and container neck.
  • the closure 100 has a top wall 102 with a depending annular skirt 104 with threads 106 adapted to cooperate with corresponding threads 12 on the container neck.
  • the closure optionally includes an annular tamper-evident band 110.
  • a dispensing means core 208 is manufactured as part of closure 100 extending above top surface 11 of top wall 20 and having a plurality of dispensing cap lifting ramps 209, dispensing cap lowering ramps 201, annular wall 207, retention feature 202, on a spigot post 205 having wall 206 and spigot post support 203.
  • Fig. 13 shows a cross section through the centre of a closure 100 with a conical dispensing cap 300 and a tamper-evident cover 400.
  • the conical dispensing cap 300 is provided with a sealing feature 301.
  • a plurality of recesses 304 on the outer surface of the cap 300 provides a knurled finish to provide gripping means when turning the dispensing cap between closed and open positions.
  • a sealing feature 302 is in sealing contact with a complementary annular wall 207 during the opening and closing movement of the dispensing cap so as to provide a seal to prevent leakage of container contents from orifice 204 along wall 207.
  • the sealing feature 302 is restrained by retention feature 202.
  • a lifting ramp engagement feature (not shown) engages with the lifting ramp 209 and upon rotation of the dispensing cap in an opening direction lifts the dispensing cap 300 to an open position and annular closing ramp engagement feature 303 which in cooperation with closing ramp 201 upon closing rotation causes the dispensing cap to be moved in the closing direction 'C.
  • the annular orifice 305 is of a diameter *K' which is smaller than the outside diameter of spigot post 205 such that upon rotation in the direction of closing sealing feature 301 sealingly engages wall 206 thereby providing a positive closure of the container contents from the atmosphere.
  • Annular base 306 may have on its outer wall 307 shaped areas (not shown) which cooperatively engage with corresponding features (not shown) on inner wall 405 of cover 400 such that the rotation of the said cover will cause the said annular base to rotate.
  • the tamper-evident cover 400 has a circular top wall 403.
  • annular skirt 404 which has an engagement feature 401 which may be an annular ring or consist of more than 1 individual feature.
  • Inner wall 405 may have shaped areas (not shown) which cooperate with corresponding features (not shown) on outer wall 307 of dispensing cap 300 to provide locking engagement of cover 400 with dispensing cap 300.
  • cover 400 may also be located or in locked engagement with dispensing cap 300 by means of one or more of one or both cooperating projections and cooperating recesses on annular base 306 and lower wall 408 .
  • the projections and recesses are numbered 308 and 309 on annular base 306, and 409 and 410 on lower wall 408.
  • More than one frangible bridge 402 which have depending from them an annular or other tamper-evidence band or means (not shown) which engage with corresponding features such as the types shown at 13 and 14 on top wall 20.
  • the cover 400 may also be designed to lockingly engage with the dispensing cap 300 after operation of the tamper- evidence feature there may be depending from top wall 403 more than one locating engagement fin 407 (dotted line and shaded) which engage with recesses 304.
  • Said engagement locating fins may be formed on the inner wall of a cylindrical shape 406 (dotted line) depending from the top wall 403. Fig.
  • FIG. 14 illustrates a plan view of closure 100, including top wall surface 11 lowering ramp 201, spigot post support 203, orifice 204, spigot post 205, and lifting ramp 209.
  • Fig. 1 illustrates a cross sectional view of cover 400 engagement means 409,
  • the engagement or locking engagement means are intended to allow the dispensing cap 300 to be turned from the closed to the open position and open to closed position by gripping and turning the cover and at the first said turning to open to cause by axial movement of the cover 400 whilst tamper-evident means is restrained in engagement with projections or recesses such as 13 and 14 (Fig. 13) on the upper wall 102 (in Fig.12) of and or lifting movement as the dispensing cap engages lifting ramps (209 in Fig, 12) to thereby sever the frangible bridges 402.
  • Fig. 15 also shows an additional or alternate means of engagement 412 to engage or locate or lock cover 400 and dispensing cap 300 the concept of having the diameter of top wall 403 extend beyond depending wall 404 such that the diameter of top wall 403 may be increased to provide a more secure base on which to stand the package when it is desired to orient the package to drain the container contents by gravity towards the dispensing orifice.
  • Fig. 16 shows a partial cross section of an alternative dispensing closure which is simplified in that it has less parts and is thereby less costly to manufacture.
  • Closure 100 incorporates a dispensing means 20 having annular dispensing orifice 22, The annular dispensing orifice 22 is sealed by cooperation with annular sealing device 42 on tamper-evident sealing cover 40.
  • the tamper-evident sealing cover 40 may be in any shape such as a shape closely following the shape of dispensing portion 20 and or may attach to the closure at points other than that shown by the location of the tamper-evident band 110.
  • the tamper-evident band 110 may be located on the dispensing portion 20.
  • the frangible section 114 which attaches the tamper-evident band 110 to the wall of the tamper-evident sealing cover id severed upon removal rotation of the tamper-evident sealing cover.
  • the tamper-evident band 110 has engagement means to restrict removal rotation and promote fracture of the frangible bridges.
  • Tamper-evident sealing cover 40 may be re-attached to the closure body after initial opening by means of annular projection 47 which in cooperation with annular engagement ridge 123 locates and holds the tamper-evident sealing cover 40.
  • Closure 100 may be produced by a mould assembly of the type disclosed in Fig. 1 by modifying the shape of that portion of the closure above top wall annular disc 102 to form the shape the hollow dispensing portion 120. It is desirable to be able to have a dispensing orifice 22 of smaller or larger diameter according to the viscosity and contained particle size of the contents to be dispensed.
  • Fig. 18 illustrates an orifice device 630 which lockingly engages with dispensing portion 20.
  • the orifice device may have an annular orifice of any desired diameter as illustrated by reference numerals 31, 32 and 33.
  • the orifice device cooperates with annular sealing device 542 to seal the container.
  • use of the orifice device 630 permits the production of only one size closure to satisfy various dispensing requirements. This confers benefits such enabling making one . larger cavitation closure mould to accommodate all orifice sizes with corresponding cost efficiencies.
  • stock holding of closures for customers requiring dispensing closures with various size dispensing orifices is thereby reduced because the customer holds only one closure size but various sizes of the much smaller orifice variation devices.
  • Fig. 16 shows a cross-section of the mould apparatus used to make dispensing closure 100.
  • the mould apparatus features an annular stripper ring 1C which is affixed to plate 1 and which forms the lower surface of wall 30, frangible ribs 116 and part of tamper band 110.
  • the apparatus also features an outer core 2C which is affixed to plate 2 and which forms part of the external wall and the lower surfaces of tamper band 110, the outer wall of tamper band engagement means 122.
  • the apparatus further includes an annular threaded core 3C which is affixed to plate 3 (not shown) annular core 4C which is affixed to plate 4 (not shown) annular core or stripper sleeve 5C which is affixed to plate 5 (not shown).
  • Annular core 6C is affixed to plate 6 (not shown).
  • the annular core 6 has within it an annular void 8 and hollow tube 7 which is used to conduct cooling water to the uppermost region of the annular core 6 and at least above upper wall 102 of closure 100.
  • the portion of annular core 6 above upper wall 11 of closure 100 forming the inner walls and features including the inner walls being shaped to follow the outer walls and features forming dispensing core means 208 for example the inner wall surface of lifting ramps 209 may be parallel to the upper or outer surface which engages with corresponding lifting ramp engagement means 310 formed on the inside of dispensing cap 300.
  • the mould apparatus operates as follows.
  • Molten plastic is injected under pressure through orifice 502 which is in fluid communication with void V2 which is formed in the mould closed position as shown by cooperation between mould portions cavity insert 9C and annular cores 1C, 2C, 3C, 4C, 5C and 6C.
  • the void V2 is thus formed in the desired shape to produce dispensing closure 100.
  • Plates 1, 3, 5 and 6 then move in unison in direction "O" and plates 2 and 4 do not move or at least do not move relative to plates 1, 3, 5 and 6 and the relative movement between the annular cores connected to the plates creates void spaces into which seal 40 and portion of tamper-evident band 110 and tamper-evident engagement means 122 can deflect.
  • the relative movement in direction "C" of annular core 4C closes void VI and opens a similar void adjacent to seal 40 and annular outer core 2C moving a similar distance relative to core 1C opens a similar void adjacent to tamper band 110 and tamper band engagement means 122.
  • Plate 3 then ceases to move and at least plates 1 and 5 continue moving in direction "O" causing relative movement between plate 3 and plates 1 and 5 thus causing threaded core 30 to disengage from the closure 100.
  • the closure 100 is now free of cores 20, 30, 40 and 60 and is held by stripper ring 10 and annular core or stripper sleeve 50 remains in contact with the lower surface 21 of top wall circular disc 20, Plate 1 then ceases to move and plate 5 continues movement in direction "0" causing core 5 to eject the moulded closure from stripper ring 10. Plate 5 then ceases to move and the closure is ejected from the mould. The mould then closes ready for the next injection cycle. Further improvements in mould design will now be discussed.
  • the distance "I” is the total space available to contain the annular cores 30, 40, 50, 60. It is highly desirable in large multi-cavity moulds operating on fast cycle time to have distance "I” as large as possible at least for the following reasons. It is desirable to have core 60 as large as possible in diameter so that hollow tube 7 and water channel void 8W can be of sufficient diameter to accommodate the flow of a large volume of cooling water thus enabling the moulded part to solidify and be ejected earlier thus enabling the mould to produce more parts in a given time.
  • annular cores 30, 40 and 50 and distance "H” and any interspacing bushes (not shown) are also desirable to have the wall thickness of annular cores 30, 40 and 50 and distance "H” and any interspacing bushes (not shown) of dimension as large as can be accommodated to ensure that the construction of the mould is robust and can last for many millions of cycles.
  • distance "F” the length of tamper band engagement means 122
  • distance "G” the distance from the end of tamper band engagement means 122 to the point at which the outer wall of annular core 30 becomes parallel to the axis of annular cores and by reducing distances "F” and "G” the point at which the outer wall of annular core 30 becomes parallel to the axis of annular cores occurs such that distance "I” is thereby increased.
  • Angle “E” is also fundamental in determining distance "I”.
  • the engagement portion 40 has segments 43 separated by slots S which serve to reduce the hoop strength of the free edge of the engagement portion 40, thereby enabling it to pass more easily over the tamper band on the neck of the container.
  • the free end of the tamper band 40 comes into contact with the underside of the container tamper bead 37 and the axial force applied is transmitted through the engagement portion 40 to the body of the tamper band 35.
  • the force may be expressed as operating initially on a vector approximately through the line F.
  • part of the force will be directed by the geometry and relative positions of the respective features 41, 42, 43, in the direction K which will cause the band 35 to deform outwardly and thereby move hinge point 41 outwards.
  • This serves to increase the angle of the engagement portion 40 and cause an increase in the force acting in the direction K and the decrease acting in the direction L.
  • engagement portion 40 may be deformed so as to invert without severing the tamper band from the closure, thereby defeating the intended tamper- evidence feature of the closure 40.
  • the abovementioned problem may be minimised by making the band 35 of sufficient thickness to resist deformation.
  • FIG. 24 is taken from US Patent No. 6,640,988, the contents of which are hereby incorporated into this specification by way of cross-reference.
  • the engagement portion 40 consists of a number of separate elements hinged from a lower end or hinge point 41.
  • This arrangement affords many advantages over the prior art such as U.S. Patent No. 5,755,347 in that there is no hoop strength in the engagement portion of the tamper band to be overcome in the application of the closure.
  • the force vector operating upon removal at hinge point 41 to stretch the band 35 is reduced by about 60% (reduced from about 15 degrees to about 5 degrees); and the increase in hoop strength by thickening the lower portion of the band 35 will -further contribute to resisting stretching of the band upon removal. Both of these changes act together to ensure that the hinge point 41 is more resistant to outward movement under the stress of removal, thus ensuring that the engagement portions 40 are held in place to effect separation of the tamper band from the closure.
  • a further aspect of the present invention will now be described with reference to Figs.27 to 33 and relates to a tamper-evident closure and corresponding container neck, and to a closure mould assembly.
  • the neck 100 has an outer wall 105, an inner wall 130 and a top wall 135 joining the outer and inner walls.
  • the outer wall 105 is provided with one or more external threads 110 adapted to cooperate with a corresponding internal thread or threads on the closure.
  • the thread profile may be of narrower profile on both neck and closure to allow for the axial or push-on application of the closure to the container.
  • the threads may be continuous or segmented as required.
  • threads 110 cooperate with the closure threads to retain the closure on the neck whilst the pressurised gas vents. To accomplish this the threads of one or more of the closure or the container neck may be slotted or segmented to facilitate release of the gas.
  • the neck includes a tamper bead 115 with a face 116 to cooperatively engage with a tamper-evident ring or tamper-evidence engagement means on the closure.
  • the tamper bead may be advantageously segmented with equal spaced gaps 'Y' to reduce the quantity of material required.
  • One or more ramped angled projections 120 are located below the tamper bead and shaped such that ramped surfaces 124 allow corresponding ramped surfaces on the closure to pass over during application of the closure to the container neck.
  • the closure 10 consists of a disc 20 with an upper wall and a lower wall 13.
  • One or more sealing means such as annular sealing means 40, 41 depend from the inner wall 1 .
  • the sealing means 40, 41 act to sealingly engage in such manner as to create a seal between closure and container that will have at least one sealing means operating until the tamper-evident ring is substantially separated from the closure skirt thus giving clear evidence of the seal being breached.
  • One or more retention means 42 may be provided to retain, for example, a cup or receptacle or disc or device (not shown) either within or depending from the closure.
  • the retention means 42 may take the form of one or more clips, projections, recesses, rings, annular flange, interrupted or segmented annular flange annular groove or recess interrupted or segmented annular groove or recess depending from the lower wall of the closure.
  • An object, such as a cup may be engaged with the retaining means so as to be held in position whilst the closure is sealingly engaged to a container but may be removed to access the contents (such as food or beverage additives) contained in the cup.
  • the skirt 30 of the closure has an inner wall with a raised thread which cooperates with the external thread on the neck of the container.
  • a tamper-evidence ring 55 depends from a lower wall of the skirt by means of frangible bridges 50.
  • the neck of the container includes an engagement means with the tamper bead on the neck of the container such engagement means 58 consisting of but not limited to any one or more of and in any combination thereof which combination may omit one or more of a ramped projection which is shaped to more easily pass over the tamper bead on the neck of the container on application of the closure but also shaped that upon removal of the closure from the container the projections engage with corresponding surface on the container neck promoting early breakage of the frangible bridges and separation of the tamper ring from the skirt of the closure.
  • the flap 58 which may be folded after moulding, may be thicker at one end than the other and may have stiffening ridges thereon.
  • the flap may be shaped to facilitate folding and may be advantageously moulded in a position where end 59 is closer to the axis or centre of the closure to ensure that when folded into the closure the flap will tend to be in a position to engage with both the wall 105 and the engagement faces 116 and 118.
  • a flap may be moulded in a position to allow one or more projections 73 to be created on the wall of the flap 58 such that when folded into position inside the closure ( shown with dotted line) the ramped surface 72 shaped to more easily pass over the tamper bead on the neck of the container upon application of the closure(not shown)and the ramped projection surface 72 shaped to easily pass over corresponding (in Fig.
  • the mould assembly comprising first and second mould portions which cooperate to define when in a closed position, a closure cavity; the first mould portion containing the means of injection of polyolefin material and defining or partially defining the external features of the top disc and skirt of the closure and one or more raised features on the exterior of closure which may cooperate with closure application means or closure ejection means.
  • the second mould portion having one or more of and or means of cooperation between and in any combination thereof a threaded core shaped to define any one or more of and in any combination thereof which combination may omit one or more of threads on the inner wall of the closure skirt such threads cooperating with the threads on the neck of the container annular sealing means depending from the lower wall of the closure disc and/or the inner wall of the closure skirt or any combination thereof and such sealing means to sealingly engage with any one or more of or in any combination of the inside wall of the container nec the top wall of the container neck the outer wall of the container neck annular or interrupted annular retention means depending from the lower wall of the closure disc such that an object (such as a cup or receptacle or disc or device) may be engaged with the retaining means such that the object is held in position whilst the closure is in use or alternatively the object but may be removed to access the contents (such as food or beverage additives) of the receptacle.
  • an object such as a cup or receptacle or disc or device
  • the retention means may, for example, take the form of one or more of clips, projections, recesses, annular flange, interrupted annular flange annular groove or recess interrupted annular groove or recess an annular support ring shaped and positioned to form one or more of or portion of and in any combination thereof which combination may omit one or more of part of the outside wall of the skirt a projection on the outside wall of the skirt a shoulder defining the lower extremity of the skirt at least a portion of the tamper-evident ring one or more frangible bridges connecting the skirt to the tamper-evident ring an outer core which cooperates with the threaded core and the support ring to define at least portion of an annular tamper-evident ring and by cooperative movement relative to the support ring and the threaded core creates a space into which the tamper-evident ring may deflect to assist ejection of the closure.
  • one or more inner cores which may be shaped to define at least portion of the one or more of and annular sealing means and or annular or interrupted annular retention means and which by collective cooperation and relative movement between the said inner cores and the threaded core assists ejection of the closure from the mould.
  • the inner cores and the threaded core cooperating and by relative forward or opening movement in relation to the support ring cause the closure whilst still remaining on the said inner cores and threaded core to move away from the support ring.
  • the inner cores and the threaded core cooperating and by relative forward or opening movement of one or more of the inner cores relative to the threaded core eject the closure off the threaded core.
  • the support ring may move forward relative to the threaded core thereby withdrawing the threaded core from the closure and further forward movement by the inner core or cores removes the closure from contact with the support ring and ejects the closure from the mould if the closure is still retained on the inner cores by portion of the closure such as the said retention means then by cooperative forward or opening movement of the innermost core relative to the other inner core the closure may be ejected off the inner core.
  • the present invention includes a cup or receptacle ( ot shown) shaped with features which cooperate with the said retention means within the closure such means of cooperation being for example but not limited to one or more of clips, projections, recesses, annular flange, interrupted annular flange annular groove or recess interrupted annular groove or recess.
  • a cup or receptacle ot shown
  • features which cooperate with the said retention means within the closure such means of cooperation being for example but not limited to one or more of clips, projections, recesses, annular flange, interrupted annular flange annular groove or recess interrupted annular groove or recess.
  • a tamper-evident closure 10 (shown partially) with a top wall 20 and an annular sealing device 40 sealingly engaging the inside wall 65 of the container neck 60 and another annular sealing device 41 which may also but not necessarily be used to sealingly engage with either or both the upper wall 63 and the outer wall 64 of the container neck 60 ( shown not fully sealingly engaged).
  • the design of the closure being such that when the closure is fully applied the distance 'A' being the distance over which an interference fit and seal continues to occur between the annular sealing device 40 and the inner wall 65 of the container neck 60 during removal of the closure from the fully applied position (not shown) on the container neck and further described as being the distance between line Al being the line touching the top wall 63 of the container neck and the line A2 being the line touching point of sealing engagement between annular sealing device 40 and the inner wall 65 of the container neck 60 measured at the point when the closure is fully applied( not shown) to the container neck shall be always sufficiently larger than the distance 'B ' being the distance between the engagement surface 61 of the tamper bead 62 and the engagement surface 59 of the tamper ring engagement means 58 when the closure is fully applied to the container) plus a distance 'O' (not shown) equalling the amount of compression that occurs in the tamper ring engagement means during the process of removal plus a distance 'D' (not shown) equalling the amount of stretch that occurs
  • closures By observing this formula in designing a closure then the closure will be in sealing engagement with the container neck until after tamper-evidence is displayed thereby ensuring that no contamination of contents can occur without tamper- evidence.
  • the foregoing inventions may be adapted according to the following procedure for closures using sealing methods other than that described in the foregoing example of closures with a bore seal on the inside neck surface of the container. Where closures seal by other than a bore-seal the distance 'G* over which the seal is effectively in contact with the neck of the container expressed as the number of removal rotations or portion of a rotation of the closure during removal is substantially less than distance 'A' referred to in the bore-seal example in Fig. 28.
  • the present invention is designed to restrain the movement of the tamper-evident ring 55 on the closure by including cooperating engagement means 58 on the tamper-evident ring and engagement means 115 on the container neck (shown in Fig. 31) such that upon removal rotation the said cooperating engagement means engage and further removal rotation fractures the frangible bridges 50 separating the tamper-evidence ring 55 from the closure skirt 30.
  • the present invention including container necks is described in the following non- limiting examples. Referring to Fig.
  • Partial View 1 shows the lower edge 59 of tamper- evident engagement means 58 with protrusions 73 having engagement faces 70 and ramped surfaces 72 .
  • the protrusions are spaced around the whole of the lower portion (as moulded) of the tamper-evident engagement means 58 with the protrusions 73 protruding in the direction 'B ' such that when the tamper-evident engagement means 58 is folded into the closure (shown with dotted line then the protrusions are oriented to upon rotation of the closure in the direction of removal engage with (shown in FIG. 4.) the corresponding neck engagement means 115 and 120 on the container neck .
  • the neck engagement means 115 have engagement faces 116 to restrain axial movement and engagement faces 122 to restrain rotational movement of the tamper-evidence ring 55 and upon further removal rotation of the closure sever the frangible bridges 50 and Partial View 2 shows an alternative configuration of protrusions 73 and 74 which are designed to cooperate with as shown in FIG. 5 and FIG. 4 or a combination of FIG. 4 and FIG. 5 such that the distance 'X' on protrusion 74 is greater than the distance 'Y* shown in FIG. 5 thus preventing protrusion 74 from passing through the gap 'Y' in the tamper bead 115 and retaining the tamper band 55 on the neck of the container. Partial View 3.
  • Partial View 4 is a view from location 'B' showing protrusions 76 extending from the lower edge 59 of tamper-evidence engagement means 58 to form a series of tooth like engagement devices 76 having engagement faces 70 and ramped surfaces 72 and first engagement points 75 which are designed upon removal rotation to progressively engage (shown in Fig. 32) with corresponding engagement faces 116 and 118.
  • Partial View 5 is a perspective view from the direction 'C showing the tamper-evident engagement means 58 folded inside the closure .
  • the engagement faces 70 will be able to engage both of the corresponding neck engagement means 116 and 118 (shown in Fig. 32) and the face of the tamper- evidence engagement means 58 which passes over the tamper bead 115 upon application has no projections thereon and will by deflecting outwardly towards the outside of the closure.
  • the surfaces 72 abut the corresponding opposite surface of engagement face 116 on the container tamper bead 115 during the passing of the tamper-evidence engagement means 58 over the tamper bead 115 then the ramped shapes of surface 72 will assist.
  • the corresponding formula for non bore-seal or shallow bore-seal closures is The distance 'G' which is the distance represented by that fraction of a turn in the direction of removal which must always be less than the distance > ⁇ ' (not shown) being the corresponding rotational measurement to distance 'B' (in the bore-seal formula) this dimension as may be required also takes into account during the closure design stage of the compression of the sealing means against the upper surface 135 of the container neck plus the distance T (not shown) which is the fraction of a rotation necessary to present engagement faces 70 and engagement points 75 on the tamper ring against corresponding engagement faces 116 and 118 on the container neck plus the distance 'J' (not shown) being the corresponding rotational measurement to distance '0' (in the bore-seal formula) .
  • the retention device 42 is also not limited to the shape shown but may be shaped to correspond with the cup or container or device being retained (not shown) which may also be shaped such that one or more of or combination of cooperating clips, projections, recesses, annular flange, segmented or interrupted annular flange, annular groove or recess, interrupted annular recess and said cup and retention means
  • sealing means 41 may be advantageously designed for example with a chamfered flange on the cup so that the cup is easily fitted into the retaining means 42 and this assembly may usefully be combined in a closure with the sealing means 41 or its mirror image 43 shown with dotted line.
  • Fig. 30a we hereby disclose a design for sealing means 41 and or
  • Figs. 32 and 33 which illustrate a plan view of two embodiments of container necks which correspond with the closures disclosed herein.
  • the necks can be divided into quadrants Qi, Q 2 , Q 3 and Q 4 as shown. In Fig. 32 all four quadrants are similar, whilst in Fig.
  • the interruptions or gaps ⁇ ' in the tamper bead 115 may be shaped differently according to the means of manufacture or desire to minimise the amount of material used.
  • the relationship of gaps to segments 'Z * may usefully be varied to save material for example by making the dimension ratio 3 Y to 2Z resulting in a material saving is in the order of 60% of the material used in a solid tamper bead and such container necks and tamper beads can be designed so as to operate with other closures.
  • the various aspects of the present invention can be applied to dispensing closures for particular dry goods, such as spices.
  • closures of the type disclosed in US Patent No. 6,341,720 are 5,799,838 may be adapted as illustrated in accompanying Figs. 33 to 35.
  • the closure 10 has an annular retention features 123 which, in cooperation with annular projection 47 on over cap 40 serves to retain the over cap when replaced onto the closure after the initial fracturing of the frangible bridges of the tamper-evident ring 43.
  • An opening 70 is provided for spoon or bulk dispensing, whilst an adjacent opening 71 comprising a plurality of apertures is provided for a shaker-type dispenser.
  • the tamper-evident over cap 47 has discrete sealing means 85 and 86 respectively sealing the closure openings 70 and 71.
  • the sealing means operate by means of interference fit between outer walls 84 and inner walls 49 of the openings 70 and 71.
  • One or more hinge lines 80 which may be spaced apart, allow one or more over cap portions (for example over cap portion 88) to be lifted upwards to allow dispensing of contents of the container through the orifices.
  • one of the hinge lines is located such that more than 50% of the circumference of the over cap remains affixed to the closure by cooperation between the annular retention feature 123 and annular projection 47.
  • the closure 10 has sealing means 40 to sealingly engage the inside wall 65 of a container neck and sealing means 44 to sealingly engage the outside wall 64 of the container neck 60.
  • a tamper band 55 is attached to skirt 30 by means of frangible bridges 50 and more than one tamper band engagement portion 58 is separate from each other, thus facilitating less resistance when passing over the container tamper bead 61 upon application to the container,
  • the cylindrical receptacle 150 may be integrally formed in the closure, or manufactured as a separate component and secured to the inside of the upper wall of the closure.
  • the receptacle may be of any desired length but advantageously its length extends from the top wall 20 of the closure to between the lines marked "G" and "H", such that the end of the receptacle does not project from the closure whilst the tamper band 55 is on the closure, thus facilitating ease of sorting and orienting and applying the closure to the container.
  • the end of the receptacle will project from the closure thus facilitating removal of any sealing means applied to the open end of the receptacle.
  • the receptacle sealing means is necessary in order to separate the contents of the receptacle from the contents of the container.
  • the receptacle has an inside wall 151 and an outside wall 152, the walls being thicker at the point at which the walls join the top wall 20 of the closure.
  • the receptacle walls are thinner at the open end of the receptacle.
  • the tapering in the walls of the receptacle is sufficient to allow easy removal of the mould by the relative movement between one or more mould components and/or relative movement between the mould components and the closure.
  • the annular receptacle may be of a smaller diameter and located closer to the mould portion 220. On larger diameter closures the width of the mould portion 210 can be increased, thus facilitating creation of receptacle walls of greater length than that shown.
  • the various embodiments of the tamper-evident closure according to the present invention may be adapted or combined with one or more of the openings to dispense the contents of a container, or the threads and tamper-evident bead on the outside skirt so that a plug seal type over cap can be affixed to the basic closure in order to seal the container initially and provide clearly visible evidence that the over cap has been opened. Additionally this provides means to reseal the container.
  • the over cap can be designed to seal more effectively in multiple removal/resealing operations.
  • the present invention includes any one or more of the aspects disclosed herein incorporated with the mould assembly and closures disclosed in US Patent Nos. 4,598,833, 6,551,093, 6,626,310 and 6,640,988 and Australian Patent No. 550878 and Australian Patent Application No. 79927/98 the disclosures of which are hereby incorporated into this specification by way of cross-reference.
  • Dispensing closures for particulate matters such as granular powders and the like.
  • the moulding of the closure from more than one type of material. For example, it would assist recycling if the closure tamper-evident band was moulded in the same material as the container.
  • a different colour or type of material may be used to mould the tamper band promoting visual difference between closure body and tamper band or physical performance of the tamper band,
  • Various dispensing means such as, but not limited to, a perforated or partially perforated closure with flip top cover, a flexible membrane with cruciform or other pattern slits or openings to thereby permit the dispensing of container contents or a pump action dispenser or a pu ⁇ h/pull valve closing/opening feature,
  • a closure applied by axial rather than rotational motion and closures with more than one thread means may be used to mould the tamper band promoting visual difference between closure body and tamper band or physical performance of the tamper band.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Cette invention se rapporte à des fermetures pour récipients et plus particulièrement à des fermetures inviolables pour récipients. Dans l'un de ses aspects, cette invention concerne un récipient et une fermeture destinée à être associée à ce récipient et comprenant : une paroi supérieure (102), une jupe (104) qui est formée solidaire avec cette paroi supérieure et s'étend vers le bas depuis cette paroi supérieure et qui est conçue pour venir en prise avec la partie col du récipient, de façon à assujettir la fermeture sur le récipient ; une bande inviolable (110) reliée cassable à la jupe ; et une partie col (10) du récipient comportant plusieurs saillies espacées (18) s'étendant vers l'extérieur depuis la partie col et conçues pour venir en prise avec des crénelures (122) situées sur la bande inviolable, de façon à faciliter la rupture de la bande (110), qui se sépare ainsi de la jupe de la fermeture.
EP04737650A 2003-08-04 2004-08-04 Fermeture avec bande inviolable cassable Withdrawn EP1660379A4 (fr)

Applications Claiming Priority (26)

Application Number Priority Date Filing Date Title
AU2003904044A AU2003904044A0 (en) 2003-08-04 2003-08-04 Closure device and container neck
AU2003904196A AU2003904196A0 (en) 2003-08-08 2003-08-08 Closure device and container neck
AU2003904359A AU2003904359A0 (en) 2003-08-15 2003-08-15 Closure device and container neck
AU2003904527A AU2003904527A0 (en) 2003-08-22 Closure device and container neck
AU2004900141A AU2004900141A0 (en) 2004-01-14 Improvements in plastic closure
AU2004900245A AU2004900245A0 (en) 2004-01-21 Improvements in plastic closure seal and tamper evidence operation and mould assembly
AU2004900450A AU2004900450A0 (en) 2004-02-03 Improvements in plastic closure seal and tamper evidence operation and mould assembly
AU2004900657A AU2004900657A0 (en) 2004-02-12 Plastic closure, plastic cup and mould and manufacturing method therefore
AU2004900744A AU2004900744A0 (en) 2004-02-16 Plastic closure plastic cup and mould and manufacturing method therefore
AU2004200617A AU2004200617A1 (en) 2003-02-17 2004-02-17 Closure device for a container
AU2004900814A AU2004900814A0 (en) 2004-02-18 Plastic closure plastic cup and mould and manufacturing method therefore
AU2004900879A AU2004900879A0 (en) 2004-02-23 Closure and container neck system closure with cupe
AU2004902722A AU2004902722A0 (en) 2004-05-21 Tamper evident closure and integral cup
AU2004902721A AU2004902721A0 (en) 2004-05-21 Tamper evident closure with improved tamper band
AU2004902799A AU2004902799A0 (en) 2004-05-26 Tamper evident closure and container neck
AU2004902794A AU2004902794A0 (en) 2004-05-26 Tamper evident closure with improved tamper band
AU2004902928A AU2004902928A0 (en) 2004-06-01 Closure with means to dispense additives into container contents
AU2004902931A AU2004902931A0 (en) 2004-06-02 Tamper evident closure with dispenser
AU2004903041A AU2004903041A0 (en) 2004-06-07 Not Given
AU2004903153A AU2004903153A0 (en) 2004-06-10 Tamper evident dispensing closure with cover and mould assembly therefore
AU2004903406A AU2004903406A0 (en) 2004-06-22 Closure
AU2004903477A AU2004903477A0 (en) 2004-06-24 Closure for a container and container neck and mould and method of manufacture
AU2004903434A AU2004903434A0 (en) 2004-06-24 Closure for a container and container neck and mould and method of manufacture
AU2004903507A AU2004903507A0 (en) 2004-06-29 Closure and container neck
AU2004903775A AU2004903775A0 (en) 2004-07-09 Tamper evident closure with cover and mould assembly therefore
PCT/AU2004/001035 WO2005012125A1 (fr) 2003-08-04 2004-08-04 Fermeture avec bande inviolable cassable

Publications (2)

Publication Number Publication Date
EP1660379A1 true EP1660379A1 (fr) 2006-05-31
EP1660379A4 EP1660379A4 (fr) 2009-12-30

Family

ID=34120249

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04737650A Withdrawn EP1660379A4 (fr) 2003-08-04 2004-08-04 Fermeture avec bande inviolable cassable

Country Status (8)

Country Link
US (1) US20070131641A1 (fr)
EP (1) EP1660379A4 (fr)
JP (1) JP2007501169A (fr)
KR (1) KR20060042422A (fr)
CA (1) CA2534758A1 (fr)
DE (1) DE112004001435T5 (fr)
NZ (1) NZ544867A (fr)
WO (1) WO2005012125A1 (fr)

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CL2008003761A1 (es) 2008-12-17 2010-01-04 The Tapa Company S A Sistema de cierre para envases del tipo botella que permite dispensar hacia el interior un aditivo mantenido aislado, formado por una cubierta alargada con su extremo cerrado, un actuador con una pieza deslizante conica con una perforacion vertical, un cuerpo con un compartimiento central con un faldon hilado, y un contenedor con el aditivo.
FR2950035B1 (fr) 2009-09-15 2011-09-02 Raymond A & Cie Coiffe de verrouillage pour recipient a col
FR2950865B1 (fr) 2009-10-01 2011-10-28 Raymond A & Cie Coiffe de verrouillage pour recipient a col avec une capsule a pattes de fixation
EP2371733B1 (fr) * 2010-04-01 2014-11-12 Tetra Laval Holdings & Finance S.A. Fermeture pour un récipient
BR112013019834A2 (pt) * 2011-02-04 2016-10-11 Archimedes Dev Ltd recipiente aprimorado
FR2986782B1 (fr) 2012-02-13 2014-03-07 Raymond A & Cie Dispositif de verrouillage de bouchon sur recipient a collerette, recipient a collerette obture par bouchon pourvu d'un tel dispositif de verrouillage
KR102090108B1 (ko) 2013-09-12 2020-04-14 한국전력공사 에너지 저장 장치 운영 장치 및 방법
GB201317407D0 (en) * 2013-10-01 2013-11-13 Obrist Closures Switzerland A method of manufacturing a tamper-evident closure
US9828146B2 (en) 2014-06-24 2017-11-28 Stefan LOUKOV Tamper evident flip-top closure, method and tool for making the same
US10138035B2 (en) 2014-06-24 2018-11-27 Stefan LOUKOV Tamper evident flip-top closure, method and tool for making the same
GB2528649A (en) * 2014-07-14 2016-02-03 Rieke Packaging Systems Ltd Pump dispensers
WO2018025593A1 (fr) * 2016-08-04 2018-02-08 日本山村硝子株式会社 Capuchon en résine synthétique
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JP7347938B2 (ja) * 2019-02-27 2023-09-20 日本クロージャー株式会社 樹脂製容器口部とプラスチックキャップとの組み合わせ
EP3953266A4 (fr) 2019-04-12 2023-03-29 Ball Corporation Ensemble de fermeture inviolable à l'épreuve des enfants
WO2020219860A1 (fr) * 2019-04-25 2020-10-29 Ball Corporation Couvercle de surbouchage à l'épreuve des enfants
US11326856B2 (en) * 2019-05-20 2022-05-10 Nelson R. De La Nuez Gun safety storage system
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
GB202000444D0 (en) 2020-01-13 2020-02-26 Gbuk Group Ltd Tamper evident cap
US11591141B2 (en) 2020-07-08 2023-02-28 Veraseal Pty Limited Closures and vessels with closures
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Also Published As

Publication number Publication date
DE112004001435T5 (de) 2006-07-27
WO2005012125A1 (fr) 2005-02-10
NZ544867A (en) 2008-09-26
US20070131641A1 (en) 2007-06-14
JP2007501169A (ja) 2007-01-25
KR20060042422A (ko) 2006-05-12
EP1660379A4 (fr) 2009-12-30
CA2534758A1 (fr) 2005-02-10

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