WO2005077777A1 - Fermeture dotee d'un manchon temoin d'inviolabilite destructible - Google Patents

Fermeture dotee d'un manchon temoin d'inviolabilite destructible Download PDF

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Publication number
WO2005077777A1
WO2005077777A1 PCT/AU2005/000222 AU2005000222W WO2005077777A1 WO 2005077777 A1 WO2005077777 A1 WO 2005077777A1 AU 2005000222 W AU2005000222 W AU 2005000222W WO 2005077777 A1 WO2005077777 A1 WO 2005077777A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
container
tamper
skirt
neck
Prior art date
Application number
PCT/AU2005/000222
Other languages
English (en)
Inventor
Christopher Lyndon Higgins
Original Assignee
Abacus (C.I.) Limited As Trustee Of The Bayview Trust
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 AU2004900814A external-priority patent/AU2004900814A0/en
Application filed by Abacus (C.I.) Limited As Trustee Of The Bayview Trust filed Critical Abacus (C.I.) Limited As Trustee Of The Bayview Trust
Publication of WO2005077777A1 publication Critical patent/WO2005077777A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D51/2835—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 ruptured by a sharp element, e.g. a cutter or a piercer
    • 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
    • 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

Definitions

  • the present invention relates to closures for containers, and more particularly to tamper-evident closures for containers and including tamper evident dispensing closures and tamper evident child resistant closures together with corresponding container necks .
  • 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 evident cover for said dispensing means.
  • a further aspect of the present invention provides a tamper evident closure having a means of extracting at least oxygen and or moisture from at least the air trapped inside a container sealed with a tamper evident closure.
  • Fig. 1 is a cross-sectional elevation of a tamper-evident closure according to a preferred embodiment of the present invention
  • Fig. 2 is a cross sectional elevation of frangible ribs 116 referred to in Fig.l
  • Fig. 2A illustrates a cross sectional shape of frangible rib 116 at two different positions referred to in Fig. 2
  • Fig. 2B illustrates a preferred cross sectional shape of frangible rib 116 at two different positions referred to in Fig. 2
  • Fig. 1 is a cross-sectional elevation of a tamper-evident closure according to a preferred embodiment of the present invention
  • Fig. 2 is a cross sectional elevation of frangible ribs 116 referred to in Fig.l
  • Fig. 2A illustrates a cross sectional shape of frangible rib 116 at two different positions referred to in Fig. 2
  • Fig. 2B illustrates a preferred cross sectional shape of fr
  • FIG. 3 illustrates a view of one arrangement of flaps 1 2 referred to in fig.1 and viewed from beneath the closure in its normal orientation
  • Fig. 4 illustrates a view of one arrangement of flaps 122 referred to in fig.1 and viewed from beneath the closure in its normal orientation.
  • Fig. 5 is a partial a view of one arrangement of flaps 122 referred to in fig.l and viewed from beneath the closure in its normal orientation
  • Fig. 5a is an enlarged cross sectional elevation of the tamper band hinge area of flaps 122 referred to in Fig.1
  • Fig. 6 is an enlarged cross sectional view of view of a closure and container neck in preferred embodiment according to an aspect of the present invention
  • Fig. 1 illustrates a view of one arrangement of flaps 1 2 referred to in fig.1 and viewed from beneath the closure in its normal orientation
  • Fig. 4 illustrates a view of one arrangement of flaps 122 referred to in fig.1 and viewed from
  • FIG. 7 is an enlarged cross sectional view of view of a closure and container neck showing operation oftamper evidence means in a preferred embodiment according to an aspect of the present invention
  • Fig. 8 is an enlarged cross sectional view of view of a closure and container neck showing tamper evidence means prior to operation and in a preferred embodiment according to an aspect of the present invention
  • Fig. 9 is a cross-sectional elevation of a tamper-evident closure and integral cup or container according to a further aspect of the present invention
  • Fig. 10 is a cross-sectional elevation of a tamper-evident closure according to a further aspect of the present invention and including a retention to retain a cup or container or disc or token ;
  • FIG. 11 is a view of the mould assembly apparatus for forming the closure illustrated in Fig. 1 and Figl3;
  • Fig. 12 is a an enlarged cross sectional view of portion of the mould illustrated in Fig. 11;
  • Fig. 13 is a partial cutaway and 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, 14 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. 12 is a an enlarged cross sectional view of portion of the mould illustrated in Fig. 11;
  • Fig. 13 is a partial cutaway and 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, 14 is a cross-sectional elevation of
  • Fig. 15 is a cross-sectional elevation of a tamper-evident closure according to a further aspect of the present invention and including a dispensing a ⁇ angement for dispensing an additive to the contents of the container;
  • Fig. 1 is a further 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. 1 illustrates a closure 100 .
  • the closure is a one-piece construction moulded from thermoplastic.
  • the closure 100 includes a top wall 102 and connected thereto a downwardly extending skirt 104 having a helically threaded section 106 located on the internal face 1 8 of the said skirt .
  • Said helically threaded section ideally has more than 1 full turn of thread excluding lead in and washout and preferably two full turns of helical thread which is advantageous on closures for containers of carbonated products under high pressures.
  • Said helical thread is adapted to engage with the corresponding helically threaded section on the external surface of the neck of a container.
  • Said top wall 1 2 may be shaped in an arc in the area closer to the axis of the closure than sealing members 130 and the with the lowest point of the said arc located below the depicted top wall 1 2 and said arc being at the axis of the closure and thereby forming a partially dome shaped top wall 102 projecting into the closure and said dome shape is more resistant to deformation especially in closures for use on containers of carbonated contents.
  • tamper-evident means consisting oftamper band 110 which is connected to a said lower surface 112 by a frangible section 114 formed by a series of circumferentially spaced ribs 116 separated by slots 118 and said tamper-evident band 110 has an annular wall 120 from which extends more than one discretely spaced flaps 122.
  • the flaps 122 are connected to the lower surface of the annular wall 120 by means of a hinged section 125. Initially, the flaps 122 extend radially inwardly at an 5 obtuse angle with respect to the annular wall 120 to facilitate removal from the mould and are depicted in this position in Fig. 1.
  • the flaps 122 are moved to a perpendicular or acute angle with respect to the annular wall 120 as maybe seen in Fig. ???
  • the flaps 122 are moulded whereby the hinge line 125 is moulded on a larger o diameter than the diameter on which engagement faces 124 are moulded. Referring to the as moulded position gaps 122c between said flaps 122 extend between the edges of adjacent flaps 122 and annular wall 120 at hinge linel25 .
  • the said gaps 122c are shaped in the moulded position by parallel edges of adjacent flaps 122 and annular wall 120 at hinge line 125 which is curved.5 As the said flaps are folded towards the operating position being an acute angle with respect to annular wall 120 the gap 122c between adjoining flaps decreases until the point adjacent to the engagement end 124 reaches a minimum at the stage where both the engagement end 124 and the hinge 125 of each flap is on the same plane being at 90 degrees to the axis of the closure and at this stage the said gaps 122c are unchanged0 at hinge line 125 and narrow progressively towards the axis of the closure to a minimum gap adjacent the flap ends/ engagement faces 124 (refer Fig.4.) As the flaps fold further inwards to reach an acute angle to the said inner surface of annular wall 120 then gaps 122c increase until they reach the corresponding neutral position 2 ( neutral position 'B' shown in Fig.
  • the said neutral position 2 is a theoretical neutral position only because the natural tendency of a moulded plastic item when deformed from its moulding position is to return at least partially towards the moulding position.
  • Flaps 120 resist deformation to the operating position represented by position 'C (refer Fig. 6) and therefore said flaps are held with some force against said neck surface 58 in the optimum operating position and resisting the propensity to deflect past tamper bead 55 causing the tamper evidence means to fail.
  • Each flap 122 includes an engagement face 124 adapted to engage with a projection or tamper bead on the neck 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.
  • Extending inwardly from the wall 108 and downwardly from the top wall 102 is secondary sealing member 140 which engages an outer surface and or the upper surface of a corresponding container neck 50 (neck shown in Fig. 7 ) .
  • annular portion of the lower surface 145 of said top wall 102 also sealingly engages with the corresponding annular top surface of the said container neck (shown in Fig. 7).
  • Said annular sealing portion 145 may be on a linear plane or may have annular ridges or shapes. Any of the said sealing means 130, 140 145 may be so constructed that the said sealing means seal ingly engage with a corresponding container neck in a manner varying from the example given and said sealing means may be shaped so as to be able to be removed from the mould without the need for sliding cores to create voids allowing deformation of sealing means during ejection of the closure from a mould.
  • Fig. 2 illustrates a sectional elevation of ribs 116 referred to in Fig-1.
  • Said ribs are attached to the lower surface 112 of closure skirt 104 and depending from the lower surfaces of said ribs is tamper band 110.
  • Said ribs 116 have a cross-section such that the cross sectional area immediately adjoining the lower surface of closure skirt wall 104 shown by dotted line 'A' is less than the cross sectional the area adjoining the upper surface of the tamper evidence band 110 shown by dotted line 'B ⁇
  • Direction 'G' is the direction in which the closure is urged to eject said closure from the mould.
  • FIG. 1 illustrates one of many possible cross sectional shapes of ribs 116.
  • Said cross sectional shape is shown at the points corresponding to dotted lines ⁇ ' and 'B * in 5 fig.1 and said cross sectional shape is formed by 4 linear walls joined by radii of a radius less than 75% of the smallest linear wall or formed by 3 linear walls joined by radii of a radius less than 75% of the smallest linear wall with the 4 "**1 wall formed by an arc of radius similar or equal to the radius of the inside surface of wall 120 of the tamper band 110 .
  • Said ribs 116 because of the increasing cross sectional area o provide sufficient strength to withstand typical forces which may be imparted during folding of the said flaps from the as moulded position to the operational position and during handling and sorting and/or the application of the closure to the container neck.
  • Said ribs 116 having a shape which has its smallest cross section adjacent the said lower surface 112 of skirt 104 will tend upon removal of the said closure from a5 container and upon engagement between engagement faces 124 and the lower surface 57 of container tamper bead 55 to fracture in the area of the smallest cross section immediately adjacent the said lower surface 112 of skirt 104 thereby ensuring that the lower surface 112 has no depending sharp portions of fractured ribs 116.
  • Such an arrangement of cross sectional shape also reduces the force necessary to fracture ribs0 116 which otherwise may need to be of greater cross sectional area over the entire length of said ribs 116 to withstand the forces which may be imparted during folding of the said flaps from the as moulded position to the operational position and during handling and sorting and/or the application of the closure to the container neck.
  • 5 Fig, 2B illustrates the preferred cross sectional shape of ribs 116.
  • Said cross sectional shape is preferably formed by a wall formed on an arc of radius less than 1.5 mm and with the ends of the said arc joined by a linear surface or second arc of radius similar or equal to the radius of the inside surface of wall 120 of the tamper band 110 and which ribs 116 provide sufficient strength to withstand typical forces which may be0 imparted during folding of the said flaps from the as moulded position to the operational position and during handling and sorting and/or the application of the closure to the container neck.
  • the partially conical shape of said ribs 116 which has a taper angle of greater than 1 degree and less than 15 degrees and preferably between 5 and 10 degrees will reduce resistance or interference during ejection of the closure from the mould with the mould surfaces which formed the said ribs 116 when compared to alternate shapes for ribs 116 such as 4 linear surfaces or 4 linear surfaces joined by arcs and which at least 2 opposing linear or partially linear surfaces are still within the mould at time of ejection and because of the tapered shape of the said linear surfaces and the narrowing of the taper occurs in the direction of ejection movement ( Direction ⁇ G' in Fig.
  • said partial conical cross sectional shape will upon first ejection movement be urged away from the moulded position and can continue to move in the direction of ejection without binding because the entire surface in contact with the mould is whilst being conical or tapered is also of arcuate in shape and notwithstanding having a narrowing cross section in the direction of ejection movement the arcuate shape of the mould contact surfaces urges the corresponding arcuate shape of the frangible ribs 116 to deform out of the mould during ejection.
  • Said ribs 116 having a shape which has its smallest cross section adjacent the said lower surface 112 of skirt 104 will tend to fracture in the area of the smallest cross section immediately adjacent the said lower surface 112 of skirt 104 thereby ensuring that the lower surface 112 has no depending sharp portions of fractured ribs 116.
  • Fig. 3 illustrates a view of one arrangement of flaps 122 referred to in fig.1 and viewed from beneath the closure in its normal orientation- flaps 122 are shown in the as moulded position at an obtuse angle to annular wall 120 ( said moulded position is shown in Fig.1 )
  • Gaps 122C are bounded and formed by parallel sides on adjacent flaps 122 and an arcuate surface 127 being part of the annular surface of inner wall 120 of tamper band 110.
  • Flap hinges 125 are moulded on a diameter C A and flap ends 124 are moulded on diameter 'B' forming a frusto-conical shape (said a frusta-conical shape also referred to in Fig.
  • the wall 121 is of sufficient thickness to resist deformation the conical shape of the said flaps and arcuate wall supporting hinge 125 will cause flaps 122 to resist deformation until the flaps are at 90 degrees to the axis of the closure and upon folding further into the closure those portions of the flaps and arcuate hinge 1 5 and band wall 110 which offered resistance to folding will now urge the flaps to an orientation inside the closure corresponding to the as moulded position of said flaps and at this point the flaps will tend to remain except for any force exerted by the material in the hinge 125 tending to return to the as moulded position-
  • the band wall 121 of the present invention is necessarily of thin walled construction to allow for deformation to eject from the mould.
  • the discrete flaps 122 shown in Fig. 3. tend to return towards the as moulded position and if the said flap returns near to or past 90 degrees in respect to the axis of the closure it is likely that said "returned" flaps cause problems by fouling in sorting handling and application of the closures to a corresponding container.
  • Fig- 4 illustrates a means of overcoming the tendency of flaps 122 of closure 100 shown in fig.1 to return towards the as moulded position and provide another benefit by urging flaps 122 to grip more tightly onto a container neck .
  • the view is divided by dotted line into half 'A' and half ⁇ ' shows the arrangement of flaps 122 viewed from beneath the closure in its normal orientation. Said flaps 122 are joined in pairs by a small joining member 123 .
  • Said flaps 122 in half 'A' are in the as moulded position with adjacent sides of said flaps forming parallel sided gaps 122C and said gaps 122C between unjoined flaps having an arcuate end formed by the annular surface of wall 120 adjacent hinge 125 (shown in referring to Fig.1) and an open end and said gaps 122C between joined flaps become a closed gap with 2 parallel sides an arcuate end formed by the annular surface of wall 120 adjacent hinge 125 and a fourth side formed by one edge of joining member 123 which may be arcuate or linear.
  • flaps 122 Upon application of closure to a container flaps 122 will be urged into position by the neck of the container such that the engagement ends 124 will locate on a larger diameter than the said diameter 'B' and joining members 123 with be placed under tension again causing deformation of wall 120 between poins 'K' and 'I-' and urging the said flaps 122 to exert a force against the neck surface 58 of container neck 50 greater than that force exerted by the arrangement of flaps 122 referred to in Fig.3 thereby reducing the possibility that flaps 122 (shown in Fig.
  • Flaps 122 when in position shown in half 'A' corresponding to position 'B' in Fig.6 are subject to a residual force exerted to urge the said flaps 122 to return towards the as moulded position 'A' (as moulded position 'A' in Fig. 6) this force results from the propensity of a moulded plastic part when deformed from its as moulded position to return towards the as moulded position.
  • Fig. 5 and Fig. 5a illustrate a means of reducing the propensity flaps 122 to return from a deformed position towards the as moulded position
  • Fig. 5 is a partial view of an arrangement of flaps 122 on tamper band 110 viewed from beneath the closure in its normal orientation illustrating a means of reducing the propensity flaps 122 to return from a deformed position towards the as moulded position.
  • Hinge 125 instead of being moulded on a particular diameter is instead moulded on a diameter 125 but with certain portions of one or more flaps having a linear hinge portion 125e extending from 125b to 125c of hinge 125.
  • Fig. 5a illustrates a cross sectional elevation of annular tamper band 110 and flap 122 through the mid point of arcuate hinge portion hinge portion 125a to 125b (shown in Fig. 5 ) and showing the location of the centre of hinge 125f in said arcuate hinge section.
  • Dotted line ' M ' shows the position of the lower wall being the outside wall of flaps 122 in the moulded position at a sectional elevation through the mid point of linear hinge portion 125e which extends from 125b to 125c (shown in Fig. 5 ) and showing the location of the centre of hinge 125g at the mid point of said linear hinge portion.
  • the cross hatched area 'N ' is not present at a cross sectional elevation taken through the mid point of linear hinge portion 1 5e which extends from 125b to 125c (shown in Fig. 5 ) .
  • FIG. 6 is a cross sectional elevation of closure 100 and a co-operating container neck 50 showing various approximate positions of flaps 122 including Position 'A' being the as moulded position and position 'B' being the corresponding neutral position when said flaps 122 are folded towards the operating position prior to sorting and application to a container and when at said neutral point 'B' said flaps 122 are at an acute angle to annular wall 120 said neutral point 'B' is also defined as being the point at which the angle formed by dotted lines 'D' and 'E' ( dotted line ⁇ ' being parallel to the axis of closure 100) is equal to the angle formed by dotted lines ⁇ " and 'F' and said neutral position 'B' is the point at which gaps 122c have parallel sides and flap joining members 123 are in a neutral position being neither under tension or compression save for the said force exerted by the propensity of deformed hinge plastic material to return towards an as moulded position.
  • Position 'C is the position of flaps 122 when
  • Fig. 7 discloses a section through a the closure 100 (shown in Fig- 1) and cooperating container neck 50 showing the position of the tamper evidence band 110 after removal of the closure from the container and subsequent replacement of the closure to re-seal the container.
  • the operation of removal has after bringing into engagement surfaces 124 on the flaps 122 on tamper band 110 and lower surface 57 of tamper bead 55 on said container neck 50 and by movement of the closure 100 in direction ' Y' whilst tamper band 110 is prevented from such movement in direction 'Y' by said engagement between said engagement surfaces 124 and said lower surface
  • Said sloping surface 58 is formed such that the preferable initial slope represented by the dotted line 'FI ' is between 1 degree and 60 degrees relative to dotted line 'GV ( 'Gl ' being parallel to the axis of the closure) and when said sloping surface 58 is formed as a radius then such radius is preferably greater than 1.0 mm and less than 20.0 mm.
  • Sealing members 130 and 140 and sealing surface 145 are shown in sealing 5 engagement with the corresponding sealing surfaces on container neck 50
  • Fig. 8 illustrates a partial cross-section of the neck portion of a container and closure is depicted with the closure fully applied to the container neck 50.
  • the neck portion of the container includes a tamper bead 55 which has a lower surface 57 which lies in ⁇ o one plane which lies at a distance 'PI ' from a parallel plane intersecting the uppermost portion on engagement face 125 of flap 122 .
  • the distance l QV represents the maximum distance over which sealing member 130 on said closure 100 is in sealing engagement with inner wall 53 of container neck 50.
  • the closure is designed 15 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 sea) against the inner wall or outer wall (example not shown) of the neck portion of the 20 container, (ii) B is the distance between the engagement surface 57 of the tamper- evident bead 55 and the engagement surface 124 of flaps 122 when the closure is fully applied to the container; (in) C is the amount of compression that occurs in the said flaps 122 on 5 tamper evidence band 110 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 tamper- evident band 110 to the closure skirt 104; (v) E is the distance equal to the tolerance allowed in the measurement 0 specifications of the container neck 50 and the closure 100; and (vi) F is the distance required for a margin of safety for
  • closure line 110 may be moulded in a position such that the angle formed by the intersection of between line 'R2' being parallel to the axis of the closure line 'RF is greater than 0° and less than 45°, and preferably approximately 30°.
  • the various aspects of the closure invention described above may be designed to be manufactured using the mould equipment and method as disclosed in US Patent Nos. 6,551,093 and 6,640,988 (Taha) the disclosures of which are hereby incorporated in this specification- Fig.
  • FIG. 9 is a sectional elevation of the closure 100 shown in Fig-1 illustrating another aspect of the present invention and disclosing an integral receptacle 160 moulded as part of the said closure 100 and having one or more retention means 161 said retention means including but not limited to clips , projections, flanges , annular flanges or rings or interrupted annular flanges or rings or projections so as to retain a cover means (not shown) in sealing engagement with annular surface 162.
  • Said cover means may be fixed by adhesive means or sonic welding means or other known means.
  • Said integral receptacle and or said cover means or may have perforations to allow interaction of the contents of the container including air with the contents of the receptacle.
  • Said integral receptacle may project outside the bounds of the closure and when said closure is applied to a container then said receptacle may extend into the body of the container but walls 163 are preferably annular and are located closer to the axis of the closure than the annular sealing member 130
  • Fig. 10 is a sectional elevation of portion of a closure 100 said closure being of the type of closure shown in Fig. 1 and elsewhere in this application and portion of a container neck 50 and a portion of a cup or receptacle 170 having annular or interrupted annular flange or projections 171 which in co-operating with annular or interrupted annular flange or projection or ring retention means 133 affix said receptacle 170 to said closure.
  • Said annular or interrupted annular flange or projections 171 and co-operating said annular or interrupted annular flange or projection or ring retention means 133 may be located to operate in alternate co- operating position .
  • Said receptacle may be substituted with a disc or other shaped item being or retaining in the closure a prize token.
  • Said receptacle and or said disc may also be connected or affixed to said closure by adhesive means or sonic welding means or other known means.
  • Said receptacle 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.
  • Said closure 100 has more than one sealing means to sealingly engage with the co-operating container neck and any of the said sealing means may have more than one sealing contact surface as illustrated by sealing member 141a having two points of sealing engagement.
  • the material used to manufacture the said receptacle 170 or the disc or other shaped item or said closure may contain an additive material which tends to absorb oxygen and or moisture and or other substances so as to at least enhance the shelf life of the contents of the container.
  • said items receptacle 1 0 and or the disc and or other shaped item and or said closure is manufactured using a polymeric material said items may be manufactured and shaped so as to have a large surface area to promote greater interaction between the said additive material and the contents of the container and said items may also be manufactured from more than one stream of material so that part of the structure of the said closure may consist of material without additive material and another part of the structure of the closure may consist of the additive material or material containing the additive material.
  • Fig. 11 shows a cross-sectional elevation of the mould apparatus used to make a dispensing closure 100.
  • the mould apparatus features an annular stripper ring 1C which is affixed to plate 1 and which forms the lower surface and portion of adjacent outside wall of skirt 104 of closure 100, frangible ribs 116 and part oftamper 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 oftamper band 110 and the outer wall and ends oftamper band flaps 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 8W 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 102 of closure 100 forms the inner walls and features of a dispensing portion forming part of a closure 100.
  • the void 8W will extend (not shown) above the plane of top wall 102 so as to more effectively deliver cooling water to the upper portion of the mould adjacent the upper portion of the dispensing closure so as to cool the said dispensing closure prior to ejection.from the mould ;
  • the mould apparatus operates as follows. Molten plastic is injected under pressure through an orifice (not shown) located so as to effectively introduce and transmit the said molten plastic and said orifice 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 N2 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 sealing member 130 and portion of tamper-evident band 110 and flaps 122 can deflect
  • the relative movement in direction ' C ' of annular core 4C closes void Nl and opens a similar void adjacent to sealing member 130 and annular outer core 2C moving a similar distance relative to core 1C opens a similar void adjacent to tamper band 110 and flaps 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 3C to disengage from the closure 100.
  • the closure 100 is now free of cores 2C, 3C, 4C and 6C and is held by stripper ring 1C and annular core or stripper sleeve 5C remains in contact with the lower surface 145 of top wall 102.
  • Plate 1 then ceases to move and plate 5 continues movement in direction 'O ' causing core 5 to eject the moulded closure from stripper ring lC.
  • 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 '12' is the total space available to contain the annular cores 3C,
  • distance 'F2" (the length oftamper band flaps 122) and distance 'G2" the distance from the end oftamper band flaps 122 to the point at which the outer wall of annular core 3C becomes parallel to the axis of annular cores is kept as small as possible and by reducing distances "F2" and "G2" the point at which the outer wall of annular core 3C becomes parallel to the axis of annular cores occurs such that distance '12' is thereby increased.
  • Angle ⁇ 2' is also fundamental in determining distance '12'.
  • angle "E" By restricting angle "E" to less than 50° and preferably 35° or less then the point at which the outer wall of annular core 3C becomes parallel to the axis of annular cores is further from the said axis thereby increasing the distance '12'.
  • Said angle ⁇ 2' is the angle in respect of the axis of the closure at which flaps 122 are moulded corresponding to position 'A' referred to in Fig. 6.
  • Fig. 12 is an enlargement of section M2' shown in Fig. 11 .
  • said sectional enlargement of 'J2' illustrates preferred features of the closure 100 and the mould apparatus used to produce the present invention closures referred to at Fig. 1 and elsewhere .
  • the mould and method of producing said closures requires that said tamper band 110 and said flaps 122 are of thin wall construction at least in the area below frangible ribs 116 so as to facilitate deformation upon ejection from the said mould.
  • one preferred feature preferred feature 1 of the mould which produces the said closure is constructed so as to extend potion of stripper core IC into cavity 9 thus retaining in position the lower edge 112 of skirt 104 and at least the immediately adjacent outside portion 113 of the said skirt 104 so as to prevent the lateral movement of this portion of the closure during removal of core 3C from the moulded closure .
  • another preferred feature preferred feature 2 of the said closure 100 and the mould which produces the said closure 100 is constructed so as to have that portion 'S3' of inner wall 120 extending at least from hinge 125 to the intersection with dotted line 'SI' being an extension of the linear surface 120 above said intersection point make such intersection at an angle of less than 50 degrees and preferably 35 degrees and such intersection point be located in close proximity to the parting line between cores IC and 2C and said arrangement will provide a larger cross sectional area in the wall 120 supporting hinge 125 which assist firstly by providing increased hoop strength in annular tamper band 110 and secondly by moving hinge point 125 towards the axis of said closure 100 the angle formed (referring to F ⁇ g.s 7 and 8 ) by the intersection of line ⁇ R2' and the inner surface 126 of flaps 122 is made more acute and flaps 122 will transfer the force created by the urging of engagement faces 124 of flaps 122 against lower surface 57 of container tamper bead 55 in a direction closer to the axi
  • Said flaps 122 have at least inner surfaces 126 formed on by the tapered frusto conical shape of threaded core 3C thereby creating engagement faces 124 in an arcuate shape said engagement faces 124 having the mid point lower than the edges and the edges further from the axis of the closure when said engagement faces are in abutment with ( referring to Fig. 8) lower surface 57 of amper bead 55.
  • Such an arrangement means that engagement faces 124 make first contact with said lower surface 57 in the area adjacent the ends which may slip past said lower surface and defeat the operation of the tamper evidence means.
  • Preferred feature 3 involves the shaping of the engagement faces 124 so that the mid point of said engagement faces 124 is higher than the 2 shortest edges of said engagement faces 124 as shown in one possible arrangement by the exaggerated arcuate shape 122H (referring to Fig. 4).
  • Both preferred features 1 and 2 assist in reducing deflection of hinge 125 away from the axis of the closure during stress of severing said frangible ribs 116 during removal of closure from container. Reducing said deflection reduces the propensity of flaps 122 to roll under and cause failure of the tamper evidence means.
  • Said preferred feature 3 and other possible solutions such as forming flaps 122 with a notch of length greater than 25% of the length of and located centrally in said engagement faces 124 and or the outside face of that portion of flaps 122 adjacent to engagement faces 124 such that when in abutment with said lower surface 57 oftamper bead 55 the notch allows the short edges or ends of said engagement faces to lie closer to the axis of the said closure 100 or another solution such as forming flaps 122 with a frusto conical shape oriented 180 degrees to that frusto conical shape referred to in Fig. 12 will reduce the possibility of engagement faces 124 being urged past said lower surface 57 of said tamper bead 55 .
  • Fig 13 is a partial cutaway sectional elevation of a tamper evident closure of the type shown in Fig. 1 having a skirt wall 104 and helical threads 106 and tamper evidence band 110 and and having instead of annular disc top wall 102 a dispensing portion 190 .
  • Said dispensing portion 190 having tamper evidence means 195 designed to co-operate with a tamper evident sealing cover 200.
  • Said tamper evident sealing cover ensuring without the need to use a secondary sealing means such as a foil that the dispensing portion is not open to atmosphere and casual or maliciously introduced contaminants after applying said closure to a container as is the case with prior art .
  • Said dispensing portion 190 has shaped dispensing orifice 192 so shaped to receive corresponding sealing means 210 on co-operating cover 200 so that when the cover 200 is engaged by engagement means including known means of cooperating clips or thread means.
  • the dispensing orifice 192 is sealed.
  • Said dispensing portion 190 also has sealing cover re engagement means 196 being threads in this example but otherwise said cover re engagement means may take the form of other known means such as annular rings or lips or ridges or projections or channels cooperating with corresponding cover re engagement means such as annular rings or lips or ridges or projections or channels on said tamper evident sealing cover 200.
  • Said tamper evident sealing cover 200 having annular sealing means 210 which co-operates with said dispensing orifice 192.
  • the said annular sealing means 210 is in sealing engagement with dispensing orifice 192.
  • Said tamper evident sealing cover 200 also having means for re engaging the sealing cover after first removal, in the example shown the re engagement means are threads 215 but such re engagement means may also comprise one ore more of annular rings or lips or ridges or projections or channels.
  • Said tamper evident sealing cover 200 may advantageously have a linear top surface such that when the said sealing cover is in sealing engagement with the dispensing portion 190 of closure 100 on a container then the container may be stored inverted so that contents are adjacent the dispensing orifice and ready for dispensing upon removal of the said sealing cover.
  • Said tamper evident sealing cover 200 also has tamper evidence means 218.
  • Said dispensing portion 190 and tamper evident sealing cover 200 may take other forms such as for dispensing of paniculate product contents via one or more perforations in the dispensing portion after removal of said tamper evident sealing cover or through co-operating perforations in the said tamper evident sealing cover which may be oriented by rotational or other movement so the perforations are in alignment to allow dispensing of said contents.
  • Said dispensing orifice 192 may have a reducing ring inserted and retainer by known means therein so as to facilitate the dispensing of large particulate matter when said reducing ring is no present
  • Said closure 100 may be modified (not shown) to be suitable for application by axial means by removing threads 106 and replacing the tamper evidence means with a snap over projection which snaps over and engages with lower surface 57 of container tamper bead 55
  • Figs. 14 to 16 illustrate a further aspect of the present invention.
  • This aspect provides a container closure, preferably having tamper-evidence means, with a dispensing means to dispense into a container connected to the closure one or more additives contained within the dispensing means.
  • Fig. 14 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. 15 illustrates the closure 100 of Fig. 14 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. 15, 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 supplements), 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, seal ing 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 closure 100 may be removed from the container by unscrewing in the normal manner, thereby providing access to the contents of the container. Referring to a further embodiment depicted in Fig. 15, the body 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 resealable dispensing closures extensively referred to in the closure manufacturing and beverage marketing industries as a "push-pull cap” or a "sports cap”. After injection of the additive to the container the cover cap 224 may be removed and the contents of the container will thereby be in fluid communication the open end of plunger actuator cylinder 226 and easily accessible by the user.
  • 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.
  • Dispensing closures for particulate matters, such as granular powders and the like (v) 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. In another example 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 push/pull valve closing/opening feature.
  • Said engagement means having ramped surfaces which cooperate during apphcation of said closure to said container neck to reduce rotational force on the tamper-evident band during application reducing the possibility of severing the frangible ribs connecting the tamper-evident band to the skirt of the closure.

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

Abstract

L'invention concerne des fermetures pour des contenants, et en particulier des fermetures dotées d'un manchon témoin d'inviolabilité pour des contenants. Un aspect de l'invention concerne un contenant et une fermeture pour une liaison au contenant. Cette fermeture comprend: une paroi supérieure (102); une jupe (104) formée de manière solidaire avec la paroi supérieure et s'étendant vers le bas à partir de celle-ci, la jupe étant conçue pour s'emboîter dans la partie de col du contenant pour fixer la fermeture sur le contenant. Un manchon témoin d'inviolabilité (110) relié de manière destructible à la jupe; le col (10) du contenant comprenant une pluralité de saillies discrètement espacées (18) s'étendant vers l'extérieur, à partir du col et conçu pour s'emboîter dans les languettes (122) sur le manchon témoin d'inviolabilité pour faciliter la rupture de ce manchon (110), pour qu'il se sépare de la jupe de la fermeture.
PCT/AU2005/000222 2004-02-18 2005-02-18 Fermeture dotee d'un manchon temoin d'inviolabilite destructible WO2005077777A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2004900814A AU2004900814A0 (en) 2004-02-18 Plastic closure plastic cup and mould and manufacturing method therefore
AU2004900814 2004-02-18

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Publication Number Publication Date
WO2005077777A1 true WO2005077777A1 (fr) 2005-08-25

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012130916A1 (fr) 2011-03-29 2012-10-04 Bericap Bouchon bi-injecte et procede de fabrication d'un tel bouchon
CN109219565A (zh) * 2016-08-04 2019-01-15 日本山村硝子株式会社 合成树脂制盖
WO2020219860A1 (fr) * 2019-04-25 2020-10-29 Ball Corporation Couvercle de surbouchage à l'épreuve des enfants
WO2021099310A2 (fr) 2019-11-20 2021-05-27 Alpla Werke Alwin Lehner Gmbh & Co. Kg Fermeture de récipient
US11214411B2 (en) 2019-04-12 2022-01-04 Ball Corporation Childproof tamper evident closure assembly

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Publication number Priority date Publication date Assignee Title
US4458821A (en) * 1982-12-09 1984-07-10 Ethyl Molded Products Company Tamper-indicating closure
JPH0891402A (ja) * 1994-09-27 1996-04-09 Shibasaki Seisakusho:Kk 閉止装置
US5660288A (en) * 1995-01-20 1997-08-26 Kerr Group, Inc. Reverse helix tamper-evident container
WO1997043190A1 (fr) * 1996-05-14 1997-11-20 Shibazaki Seisakusho Ltd. Dispositif de fermeture et contenant
JPH1159791A (ja) * 1997-08-26 1999-03-02 Shibazaki Seisakusho Ltd 閉止装置および合成樹脂製キャップ
JPH11100093A (ja) * 1997-09-29 1999-04-13 Shibasaki Seisakusho:Kk 合成樹脂製キャップ及び閉止装置
US20030015490A1 (en) * 2000-06-28 2003-01-23 Saad Taha Container closure
WO2005012125A1 (fr) * 2003-08-04 2005-02-10 Abacus (C.I.) Limited As Trustee Of The Bayview Trust Fermeture avec bande inviolable cassable

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Publication number Priority date Publication date Assignee Title
US4458821A (en) * 1982-12-09 1984-07-10 Ethyl Molded Products Company Tamper-indicating closure
JPH0891402A (ja) * 1994-09-27 1996-04-09 Shibasaki Seisakusho:Kk 閉止装置
US5660288A (en) * 1995-01-20 1997-08-26 Kerr Group, Inc. Reverse helix tamper-evident container
WO1997043190A1 (fr) * 1996-05-14 1997-11-20 Shibazaki Seisakusho Ltd. Dispositif de fermeture et contenant
JPH1159791A (ja) * 1997-08-26 1999-03-02 Shibazaki Seisakusho Ltd 閉止装置および合成樹脂製キャップ
JPH11100093A (ja) * 1997-09-29 1999-04-13 Shibasaki Seisakusho:Kk 合成樹脂製キャップ及び閉止装置
US20030015490A1 (en) * 2000-06-28 2003-01-23 Saad Taha Container closure
WO2005012125A1 (fr) * 2003-08-04 2005-02-10 Abacus (C.I.) Limited As Trustee Of The Bayview Trust Fermeture avec bande inviolable cassable

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DATABASE WPI Week 199919, Derwent World Patents Index; AN 1999-225450 *
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012130916A1 (fr) 2011-03-29 2012-10-04 Bericap Bouchon bi-injecte et procede de fabrication d'un tel bouchon
US9061801B2 (en) 2011-03-29 2015-06-23 Bericap Bi-injected cap, and method for manufacturing such a cap
US9943998B2 (en) 2011-03-29 2018-04-17 Bericap Method for molding a bi-material cap
CN109219565A (zh) * 2016-08-04 2019-01-15 日本山村硝子株式会社 合成树脂制盖
CN109219565B (zh) * 2016-08-04 2019-07-23 日本山村硝子株式会社 合成树脂制盖
US11214411B2 (en) 2019-04-12 2022-01-04 Ball Corporation Childproof tamper evident closure assembly
WO2020219860A1 (fr) * 2019-04-25 2020-10-29 Ball Corporation Couvercle de surbouchage à l'épreuve des enfants
WO2021099310A2 (fr) 2019-11-20 2021-05-27 Alpla Werke Alwin Lehner Gmbh & Co. Kg Fermeture de récipient

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