EP3204307B1 - Tamper evident lid and method of making same - Google Patents

Tamper evident lid and method of making same Download PDF

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Publication number
EP3204307B1
EP3204307B1 EP14903692.3A EP14903692A EP3204307B1 EP 3204307 B1 EP3204307 B1 EP 3204307B1 EP 14903692 A EP14903692 A EP 14903692A EP 3204307 B1 EP3204307 B1 EP 3204307B1
Authority
EP
European Patent Office
Prior art keywords
band portion
cylindrical band
cover panel
closure
top cover
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.)
Active
Application number
EP14903692.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3204307A4 (en
EP3204307A1 (en
Inventor
Stephen Hugh Witt
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.)
Stanpac Inc
Original Assignee
Stanpac Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanpac Inc filed Critical Stanpac Inc
Publication of EP3204307A1 publication Critical patent/EP3204307A1/en
Publication of EP3204307A4 publication Critical patent/EP3204307A4/en
Application granted granted Critical
Publication of EP3204307B1 publication Critical patent/EP3204307B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • B65D43/0256—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container
    • B65D43/0262—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container leaving only an outside friction after removal of the tamper element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00231—Overall construction of the lid made of several pieces
    • B65D2543/0024—Overall construction of the lid made of several pieces two pieces, one forming at least the whole skirt, the other forming at least the whole upper part
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00268—Paper
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00314—Combination, e.g. laminates, several different materials
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00759—Flange or lip
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/78—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for ice-cream

Definitions

  • the invention relates generally to lids for containers and particularly to tamper-resistant, tamper-evident lids for containers for products that present significant concerns for the consumer about unauthorized tampering with the product (e.g. food products and other consumables).
  • the invention relates in particular to a closure according to the preamble of claim 1, to a closure member according to the preamble of claim 10, to a system for forming a tamper resistant push-on closure according to claim 11, to a mould for forming a closure, and to methods of moulding a closure.
  • 7,703,626 (to the present inventor Witt) describes the pre-assembly heating of the closure components with directed hot air to partially melt the thermoplastic surfaces and allow the parts to be immediately assembled sealingly, and describes a paperboard composite closure in which the plastic rim is of a two-piece snap-fit construction where the paperboard is compressed between first and second annular flanges of the two-piece plastic rim.
  • WO2010053462A1 discloses storage boxes, enabling the preservation of foodstuffs against external environmental conditions, a comprising a main body having a cavity with a closed bottom part and an open top part, a lid which covers the top opening of the said main body and radial surfaces formed on the brim edges of the said main body; characterized in that, it comprises a lid lock-notch which ensures that the lid is locked onto the body every time after the bottom ring is broken during first use and the sealing notch which hold the said main body from the radial surfaces and the internal surface.
  • US20010015341A1 discloses a tamper evident closure.
  • a tamper resistant push-on closure according to claim 1
  • a tamper resistant push-on closure member according to claim 10 a system for forming a tamper resistant push-on closure according to claim 11, a mould for forming a tamper resistant push-on closure or closure member according to claim 13, a method of moulding a tamper resistant push-on closure according to claim 14, and a method of moulding a tamper resistant push-on closure member according to claim 15.
  • the container closure (lid) can be used to resist and make readily detectable tampering of the products at the point of sale.
  • Particular examples include dairy products, cosmetics, granular or powdered food products such as tubs for bread crumbs, hardware product tubs for screws, nuts and bolts, and so on.
  • the tamper-resistant tamper-evident container closure may be provided for ice cream, dairy and other food products that are commercially practical and provides the level of tamper evidence needed for food safety.
  • FIG. 1 shows an example closure 10 in accordance with the present disclosure.
  • the closure 10 is a snap-on closure such as a lid, and may be suitable for use to close an opening of a food container such as a plastic or paperboard container (e.g., an ice cream container).
  • the closure 10 of FIG. 1 has a top cover panel 20 and may be manufactured using a molding process, as described further below.
  • the closure 10 may include a top cover panel 20, a top cylindrical band portion 30 with upper and lower margins 30a and 30b, respectively, and a bottom cylindrical band portion 40 with upper and lower peripheral margins 40a and 40b, respectively.
  • the top cylindrical band portion 30 and the bottom cylindrical band portion 40 are integrally formed and connected, and these portions 30, 40 as a single unit may be referred to in the application as the cylindrical closure portion (closure member) 15.
  • the top cylindrical band portion 30 and the bottom cylindrical band portion 40 are connected by a line of weakness 50 as described below.
  • the top cylindrical band portion 30 has a top cover panel 20 that is recessed from the outer side of the top cylindrical band portion 30 and extends upwardly and inwardly. Beneath the top cover panel 20, the closure 10 provides an annular ledge 18.
  • the top cover panel 20 may consist of a paper disk or the like that may be printed on its upper side for product identification, marketing information, graphics etc. Particularly for use with ice-cream and food products, the cover panel 20 will have a polymer layer attached to the underside for keeping moisture from the product from entering through the paper. In the embodiment illustrated in FIGS. 6A, 6B , 7A and 7B , the top cover panel 20 is continuous with the annular ledge 18.
  • the bottom cylindrical band portion 40 has a plurality of circumferentially spaced tamper evident tooth systems 70 (may also be referred to herein as tamper resistant teeth). Extending upwardly and inwardly from the lower peripheral margin 40b of the bottom cylindrical band 40 at the plurality of tamper evident tooth system 70 are a plurality of circumferentially spaced teeth 60.
  • the plurality of teeth 60 lock under the rim of the container when the closure 10 is first pushed downwardly to seal the container.
  • the plurality of teeth 60 act as a tamper resistant mechanism on the closure 10.
  • the plurality of teeth 60 may include notches 64, 66 located at the right and left sides of a top edge 62 of the teeth 60.
  • the notches 64,66 may further facilitate the locking engagement of the plurality of teeth 60 of the rim of the container.
  • each tamper evident tooth system 70 between the plurality of teeth 60 and the lower peripheral edge 30b of the top cylindrical band portion 30 is an open space.
  • Each tamper evident tooth system 70 further has a plurality of projections 72 that connect the plurality of teeth 60 to the bottom peripheral area 30b of the top cylindrical band portion 30.
  • the plurality of projections 72 may be seen when viewing the outer side of the closure 10, providing an effective means for determining if the closure 10 has been tampered with. Additionally, the plurality of projections 72 may function to increase the force of engagement of the plurality of teeth 60 against the lip of the container.
  • each tamper evident tooth system 70 there are two or more projections 76 that are connected to the bottom of the plurality of teeth 60 and to the lower peripheral margin 40b of the bottom cylindrical band portion 40.
  • the projections 76 may provide additional rigidity to the plurality of teeth 60 and also may assist in increasing the force of engagement of the plurality of teeth 60 against the lip of the container.
  • the upper peripheral margin 40a of the bottom cylindrical band portion 40 is thinned and weakened.
  • the line of weakness 50 includes one or more of a circumferential notch 52, the plurality of projections 72, and open spaces that are viewable from the outer side of the bottom cylindrical band portion 40. Legitimate opening of the container by a consumer starts by separating the top cylindrical band portion 30 from the bottom cylindrical band portion 40 by tearing away the bottom cylindrical band portion 40 along the line of weakness 50.
  • the bottom cylindrical band portion 40 is provided with a gripping means.
  • the bottom cylindrical band 40 is formed with an accessible edge portion 45 disposed at a location along the outwardly facing surface.
  • the accessible edge portion 45 may include projections or ridges on its outer surface that assist a user's ability to grip and hold the portion 45.
  • the closure 10 has a multi-snap closing.
  • the inner surface 32 of the top cylindrical band portion 30 may have a plurality of continuous annular ridges 38 extending inwardly along the circumference of the inner surface 32.
  • the plurality of continuous annular ridges 38 provide multiple contact points against a paperboard or cardboard rim 102 of a container 100.
  • the plurality of continuous annular ridges 38 provide multiple places to contact the paperboard rim 102, thereby improving the seal of the closure 10 on the container 100.
  • the plurality of continuous annular ridges 38 provide an improved mechanism for resealing the container 100.
  • the top cylindrical band 30 and the bottom cylindrical band 40 of the closure 10 may be manufactured by a one-piece molding process, such as injection-molding, using a single mold. This one-step process may help to simplify manufacturing and/or reduce manufacturing costs.
  • the closure 10 may be molded using any suitable polymer, for example any suitable food-grade plastic when used as a closure for a food container (e.g., used as a lid on a yogurt or ice cream container).
  • the cover panel 20 may be made of the same plastic material as the top cylindrical band portion 30 and the bottom cylindrical band portion 40. Accordingly, in this embodiment, the cover panel 20, the top cylindrical portion 30 and the bottom cylindrical portion 40 may be manufactured by a one-piece molding process, such as injection-molding, using a single mold.
  • the closure 10 of the present application has specific elements that facilitate the molding process. As shown in FIGS. 1 and 2 , the closure 10 has one or more openings or gates 80 located on the upper peripheral portion 30a of the top cylindrical band portion 30. The gates 80 act as an opening for the plastic resin to enter a mold and fill the mold cavity.
  • the upper peripheral portion 40a of the bottom cylindrical band portion 40 has multiple tooth channels that allow the plastic to flow into the tamper evident tooth system 70.
  • the tamper evident tooth system 70 includes the plurality of teeth 60 that is formed on the bottom cylindrical band 40 and the plurality of projections 72.
  • the plurality of projections 72 define and/or delineate the tooth channels in the corresponding mold.
  • the tooth channels improve the process of filling the mold cavity and also increases the speed by which the tamper evident tooth system 70 that includes the plurality of teeth 60 and the projections 72 are formed.
  • the tooth channels reduce the amount of defects in the tamper evident tooth system 70.
  • the tooth channels further facilitate the creation of larger and thicker tamper resistant bands than conventional solutions, thereby increasing the rigidity of the plurality of teeth 60.
  • the tamper evident tooth system 70 has edges 64, 66 that slope inwardly.
  • the cover panel 20 is inserted into the mold.
  • the mold is filled with resin by injection.
  • the resin covers the edge of the paper cover panel 20, creating the lid.
  • the mold then collapses at the edges of the tamper evident tooth system 70 to facilitate the ejection of the part from the mold.
  • FIG. 4A illustrates the closure 10 with a container 100
  • FIG. 4B illustrates the closure 10 attached to the container 100
  • the cover panel 20 e.g. a disc
  • plastic resin is molded around the top and bottom to hold it in place.
  • a coating of suitable adhesive may be applied to either of the outer edge of the facing surfaces prior to insertion of cover panel 20 onto the annular ledge 18 located on the bottom of the projection 34.
  • heating, ultrasonic welding, or spin welding may be used.
  • the cover panel 20 is secured to the top cylindrical band 30, by the interference fit in recess 19.
  • the cover panel 20 is secured to the cylindrical closure portion 15 prior to attaching the closure 10 to the container 100 ( FIG. 4B ).
  • the closure 10 is attached to the container 100 by applying a downward force to the top to the closure 10 onto the top of the container 100.
  • the plurality of teeth 60 of the closure 10 lock under the rim of the container when the closure 10 is pushed downwardly to seal the container.
  • FIGS. 6A and 6B illustrate a further embodiment for incorporating the cover panel 20 into the cylindrical closure portion 15.
  • the cover panel 20 may be positioned above the container 100.
  • the cover panel 20 may be placed to sit and rest on the circumferential paperboard rim 102 of the container 100.
  • the cylindrical closure portion 15 is positioned above the cover panel 20.
  • the closure i.e. cover panel 20 and cylindrical closure portion 15
  • the container 100 would contain a material or food product to be sealed.
  • the cylindrical closure portion 15 snaps onto the paperboard rim 102 and in this process, the cover panel 20 is secured to the cylindrical closure portion 15, creating an assembled closure.
  • the cover panel 20 is pushed into position in the upper cylindrical band portion 30 and is secured within an annular recess 19 located along the inner circumference of the upper peripheral margin 30a of the top cylindrical band portion 30.
  • the cover panel 20 may also have an adhesive applied to its top circumference to further secure the cover panel 20 to annular ledge 18 of the top cylindrical band portion 30.
  • the plurality of teeth 60 lock under the rim of the container when the closure 10 pushed downwardly to seal the container.
  • the plurality of continuous annular ridges 38 provide multiple contact points against the paperboard rim 102 of a container 100, providing an improved interference fit. This improves the seal of the closure 10 on the container 100.
  • the plurality of continuous annular ridges 38 provide an improved mechanism for resealing the container 100.
  • the lid is circular. In other embodiments, it is rectangular, oval, square, or other shapes.
EP14903692.3A 2014-10-07 2014-12-12 Tamper evident lid and method of making same Active EP3204307B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462060730P 2014-10-07 2014-10-07
PCT/CA2014/051209 WO2016054720A1 (en) 2014-10-07 2014-12-12 Tamper evident lid and method of making same

Publications (3)

Publication Number Publication Date
EP3204307A1 EP3204307A1 (en) 2017-08-16
EP3204307A4 EP3204307A4 (en) 2018-09-12
EP3204307B1 true EP3204307B1 (en) 2021-09-22

Family

ID=55652422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14903692.3A Active EP3204307B1 (en) 2014-10-07 2014-12-12 Tamper evident lid and method of making same

Country Status (13)

Country Link
US (1) US20170305615A1 (es)
EP (1) EP3204307B1 (es)
AU (2) AU2014408671B2 (es)
BR (1) BR112017006979B1 (es)
CA (1) CA2963825C (es)
CL (1) CL2017000376A1 (es)
CO (1) CO2017003463A2 (es)
CR (1) CR20170126A (es)
DK (1) DK3204307T3 (es)
ES (1) ES2900854T3 (es)
MX (1) MX2017004377A (es)
PE (1) PE20170614A1 (es)
WO (1) WO2016054720A1 (es)

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USD891175S1 (en) * 2014-10-20 2020-07-28 N2 Packaging Systems, Llc Child resistant lid for beverage container
US20170355495A1 (en) 2016-06-08 2017-12-14 N2 Packaging Systems, Llc Child resistant and senior friendly can lid
US11958666B2 (en) 2017-06-07 2024-04-16 N2 Packaging Systems, Llc Child resistant double seam container lid
US11834237B2 (en) 2017-06-07 2023-12-05 N2 Packaging Systems, Llc Child resistant double seam container lid adapter ring
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CR20170126A (es) 2017-05-19
ES2900854T3 (es) 2022-03-18
AU2017232086A1 (en) 2017-10-12
CL2017000376A1 (es) 2017-11-03
BR112017006979A2 (pt) 2018-01-09
EP3204307A4 (en) 2018-09-12
WO2016054720A1 (en) 2016-04-14
AU2017232086B2 (en) 2018-09-27
AU2014408671A1 (en) 2017-05-25
CA2963825A1 (en) 2016-04-14
DK3204307T3 (da) 2022-01-03
MX2017004377A (es) 2017-06-22
CO2017003463A2 (es) 2017-06-30
BR112017006979B1 (pt) 2022-10-18
US20170305615A1 (en) 2017-10-26
EP3204307A1 (en) 2017-08-16
AU2014408671B2 (en) 2017-11-02
CA2963825C (en) 2018-08-21
PE20170614A1 (es) 2017-05-24

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