US20220097935A1 - Package and closure with tamper-evident band - Google Patents

Package and closure with tamper-evident band Download PDF

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Publication number
US20220097935A1
US20220097935A1 US17/034,456 US202017034456A US2022097935A1 US 20220097935 A1 US20220097935 A1 US 20220097935A1 US 202017034456 A US202017034456 A US 202017034456A US 2022097935 A1 US2022097935 A1 US 2022097935A1
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US
United States
Prior art keywords
closure
polymeric
extension portion
tamper
extension
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.)
Abandoned
Application number
US17/034,456
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English (en)
Inventor
Rishi Deshpande
Ryan Konger
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.)
Closure Systems International Inc
Original Assignee
Closure Systems International 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 Closure Systems International Inc filed Critical Closure Systems International Inc
Priority to US17/034,456 priority Critical patent/US20220097935A1/en
Assigned to CLOSURE SYSTEMS INTERNATIONAL INC. reassignment CLOSURE SYSTEMS INTERNATIONAL INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DESHPANDE, RISHI, KONGER, Ryan
Priority to MX2023003497A priority patent/MX2023003497A/es
Priority to PCT/US2021/051039 priority patent/WO2022066555A1/fr
Priority to CN202180053991.8A priority patent/CN116323416A/zh
Priority to AU2021347122A priority patent/AU2021347122A1/en
Priority to EP21798491.3A priority patent/EP4217287A1/fr
Priority to JP2023519501A priority patent/JP2023543294A/ja
Priority to KR1020237008148A priority patent/KR20230075407A/ko
Priority to CA3192221A priority patent/CA3192221A1/fr
Publication of US20220097935A1 publication Critical patent/US20220097935A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • B65D41/325—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 with integral internal sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/026—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • B65D55/08—Annular elements encircling container necks
    • B65D55/0872—Destructible rigid elements snapping into annular grooves in closure for maintaining closure on 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal

Definitions

  • the present invention relates generally to a polymeric closure for a package. More specifically, the present invention relates to a polymeric closure with a tamper-evident band and package using the same.
  • Polymeric closures have been used in many applications over the years in conjunction with containers.
  • the polymeric closures are adapted to thread on and off of the container.
  • Many polymeric closures also include a tamper-evident feature such as a tamper-evident band.
  • a tamper-evident band when properly designed and located, indicates to a user that the container has been opened. This indication can be accomplished after opening, for example, by leaving a second portion of the closure around the container while a first portion of the closure is removed from the container.
  • the placement of the polymeric closure onto the container is important for removal of the closure and for the effectiveness of a tamper-evident band.
  • One of the problems of placing a polymeric closure onto a container occurs when a portion of the tamper-evident band is not positioned properly with respect to an A-collar or A-diameter of the container during the opening process. If the tamper-evident band is not properly positioned, a user could potentially open the container without the closure separating into two pieces, indicating tamper-evidency. Or, alternatively, the user could have difficulty in breaking the frangible connection when the tamper-evident band rotates inwardly into an exterior wall of the container or unfolds.
  • a closure includes a first closure portion and a second closure portion.
  • the first closure portion includes a polymeric top wall portion and a polymeric annular skirt portion depending from the polymeric top wall portion.
  • the annular skirt portion includes an exterior surface and an interior surface.
  • the interior surface of the annular skirt portion includes an internal thread formation for mating engagement with an external thread formation of a container.
  • the second closure portion includes a polymeric tamper-evident band depending from and being at least partially detachably connected to the polymeric annular skirt portion by a frangible connection.
  • the polymeric tamper-evident band includes a first portion and a second portion connected via a bending area.
  • the second portion extends generally upwardly from the bending area towards the polymeric top portion and is located inwardly from the first portion of the polymeric tamper-evident band.
  • the second portion of the tamper-evident band includes a tab portion and an extension portion.
  • the extension portion is located further from the bending area than the tab portion.
  • the average thickness of the tab portion is greater than the average thickness of the extension portion.
  • the extension portion extends continuously around an entire inner circumference of the closure.
  • a closure in another embodiment, includes a first closure portion and a second closure portion.
  • the first closure portion includes a polymeric top wall portion and a polymeric annular skirt portion depending from the polymeric top wall portion.
  • the annular skirt portion includes an exterior surface and an interior surface.
  • the interior surface of the annular skirt portion includes an internal thread formation for mating engagement with an external thread formation of a container.
  • the second closure portion includes a polymeric tamper-evident band depending from and being at least partially detachably connected to the polymeric annular skirt portion by a frangible connection.
  • the polymeric tamper-evident band includes a first portion and a second portion connected via a bending area towards the polymeric top wall portion.
  • the second portion extends generally upwardly from the bending area and is located inwardly from the first portion of the polymeric tamper-evident band.
  • the second portion of the tamper-evident band includes a tab portion and an extension portion.
  • the extension portion is located further from the bending area than the tab portion.
  • the average thickness of the tab portion is greater than the average thickness of the extension portion.
  • the extension portion extends around the entire inner circumference of the closure in a substantially continuous manner.
  • a package in a further embodiment, includes a container and a closure.
  • the container has a neck portion defining an opening.
  • the container has an external thread formation on the neck portion and an A-collar.
  • the closure is configured for fitment to the neck portion of the container for closing the opening.
  • the closure includes a first closure portion and a second closure portion.
  • the first closure portion includes a polymeric top wall portion and a polymeric annular skirt portion depending from the polymeric top wall portion.
  • the annular skirt portion includes an exterior surface and an interior surface.
  • the interior surface of the annular skirt portion includes an internal thread formation for mating engagement with the external thread formation of the container.
  • the second closure portion includes a polymeric tamper-evident band depending from and being at least partially detachably connected to the polymeric annular skirt portion by a frangible connection.
  • the polymeric tamper-evident band includes a first portion and a second portion connected via a bending area. The second portion extends generally upwardly from the bending area towards the polymeric top portion and is located inwardly from the first portion of the polymeric tamper-evident band.
  • the second portion of the tamper-evident band includes a tab portion and an extension portion. The extension portion is located further from the bending area than the tab portion. The average thickness of the tab portion is greater than the average thickness of the extension portion.
  • the extension portion extends continuously around an entire inner circumference of the closure. The extension portion abuts with an exterior surface of the A-collar of the container.
  • FIG. 1A is a side perspective view of a closure according to one embodiment.
  • FIG. 1B is a top perspective view of the closure of FIG. 1A .
  • FIG. 2A is a cross-sectional view (without the cross-hatching) of the closure taken generally along the line 2 A- 2 A of FIG. 1B .
  • FIG. 2B is an enlarged view of generally circular region 2 B in FIG. 2A .
  • FIG. 3A is a side perspective view of a package including a container and the closure of FIGS. 1A, 1B .
  • FIG. 3B is a top perspective view of the package of FIG. 3A .
  • FIG. 4A is a cross-sectional front view of the package taken generally along line 4 A- 4 A in FIG. 3B .
  • FIG. 4B is an enlarged view of generally circular region 4 B in FIG. 4A .
  • FIG. 4C is an enlarged view of generally circular region 4 B in FIG. 4A further depicting the original position of the second portion of the tamper-evident band in dashed lines.
  • FIGS. 1A, 1B illustrate a polymeric closure 10 according to one embodiment of the present invention.
  • the closures are configured to be placed on a container or bottle that contain product.
  • the product is typically a liquid product, but also may be a solid product or a combination of a liquid and solid product.
  • the polymeric closure 10 of FIGS. 1A, 1B is generally cylindrically shaped.
  • the polymeric closure 10 of FIGS. 1A, 1B is a one-piece closure assembly. It is contemplated that the closure may be a two-piece closure. It is contemplated that the closure may be of other shapes and dimensions.
  • the polymeric closure 10 includes a polymeric top wall portion 12 , a polymeric annular skirt portion 14 , a polymeric continuous plug seal 16 ( FIG. 2A ), an outer seal 18 ( FIG. 2A ), a top seal 20 ( FIG. 2A ) and a polymeric tamper-evident band 30 .
  • the polymeric annular skirt portion 14 depends from the polymeric top wall portion 12 .
  • an outer surface 14 b of the polymeric annular skirt portion 14 may also include a plurality of ridges 14 c thereon.
  • the plurality of ridges 14 c has a contoured shape that assists a user in gripping the closure 10 .
  • the polymeric continuous plug seal 16 depends from the polymeric top wall portion 12 and provides a sealing mechanism.
  • the outer seal 18 depends from the polymeric top wall portion 12 and also provides a sealing mechanism.
  • the top stop 20 assists in locating the closure with respect to the finish of the container.
  • the top stop 20 may also assist in providing some sealing aspects to the closure.
  • the continuous plug seal 16 , the outer seal 18 and the top stop 20 are spaced from an interior surface 14 a of the polymeric annular skirt portion 14 as shown in FIG. 2A . It is contemplated that the outer seal may extend from an interior surface of the polymeric annular skirt portion instead of the top wall portion in another embodiment.
  • the closure may include other sealing mechanisms.
  • the closure may include a polymeric lining material that provides a seal to the closure. This would be a two-piece closure.
  • Non-limiting examples of a closure including a polymeric liner and a polymeric disk can be found at U.S. Publication No. 2018/0099795, which is incorporated by reference herein in its entirety.
  • the closure would be formed from separate components, but would function as the one-piece closure discussed except with a different sealing mechanism.
  • the closure may include either a polymeric outer seal or a continuous plug seal. It is contemplated that the closure may include other sealing mechanisms.
  • the polymeric tamper-evident band 30 depends from and is at least partially detachably connected to the polymeric annular skirt portion 14 by a frangible connection 50 .
  • the closure moves from an initial closed position (see, e.g., FIG. 2A ) to an open position, the polymeric tamper-evident band 30 is desirably fully detached from the polymeric annular skirt portion 14 .
  • the tamper-evident band 30 works in conjunction with the container to indicate to a user that the contents of the container may have been accessed.
  • the tamper-evident band 30 is designed to at least partially separate from the annular skirt portion 14 if a user opens the package by unthreading and removing the closure to gain access to the container.
  • the frangible connection 50 may be formed using bridges, scoring or scored lines, notches, leaders, nicks or other lines of weaknesses.
  • the polymeric tamper-evident band 30 includes a first portion 32 and a second portion 34 connected via a bending area 36 .
  • the first portion 32 , the second portion 34 and the bending area 36 are typically integrally connected.
  • the second portion 34 is folded over inwardly and upwardly (arrow A in FIGS. 2A, 2B ) in the direction of the polymeric top wall portion 12 as shown in FIGS. 2A, 2B .
  • the second portion 34 extends generally upwardly from the bending area 36 and is located inwardly from the first portion 32 of the polymeric tamper-evident band 30 .
  • the second portion 34 initially extends downwardly (arrow B in FIGS. 2A, 2B ) in generally the opposite direction of arrow A.
  • the second portion 34 of the tamper-evident band 30 is positioned substantially axially to the first portion 32 before being folded over and inwardly in the manufacturing process via the bending area 36 into the position shown in FIGS. 2A, 2B .
  • the second portion 34 of the tamper-evident band 30 includes a tab portion 38 and an extension portion 40 .
  • the extension portion 40 assists in initially locating and maintaining the position of the tab portion 38 during the opening process.
  • the extension portion 40 is located further from the bending area 36 than the tab portion 38 as shown in FIGS. 2A, 2B .
  • the tab portion 38 and the extension portion 40 are generally vertical. This is shown by the direction of the arrow A in, for example, FIGS. 2A, 2B .
  • the tab portion and the extension portion may be substantially vertical or vertical in another embodiment.
  • tab portion 38 and the extension portion 40 are vertical or substantially vertical so as to prevent or inhibit the tab portion 38 from rotating inwardly towards an exterior wall of a container or bottle finish, or by unfolding. It is desirable for the tab portion 38 and the extension portion 40 to be substantially vertical to prevent or inhibit from being located too sharply against the interior surface 14 b of the polymeric annular skirt portion 14 .
  • the tab portion 38 By keeping the tab portion 38 from rotating inwardly or unfolding assists in avoiding or inhibiting problems in the opening process by a user. Specifically, when a user applies vertical and axial forces in opening the closure, it is desirable for these forces to be substantially applied to breaking the frangible connection instead of transmitting the energy into moving (i.e., rotating or unfolding) the tab portion 38 . When the tab portion remains generally in place, the vertical and axial forces from the user transmits only to or substantially to the opening of the frangible connections (e.g., breaking the bridges).
  • the first portion 32 may include an inwardly-extending bead 46 .
  • the bead 46 prevents or inhibits the tab portion 38 and the extension portion 40 from folding too sharply against the interior surface 14 a of the polymeric annular skirt portion 14 .
  • an inwardly-extending bead may be made smaller than the inwardly-extending bead 46 of FIG. 2B or may be eliminated entirely.
  • the tab portion moves inwardly towards an exterior wall of the bottle finish or the tab portion unfolds, this can lead to undesirable results. For example, if a certain percentage of the bridges in the frangible connection are not broken (typically on one side) because energy is transmitted into moving the tab portion, a user may have difficulty in opening and accessing the contents of the container. Specifically, when some of the bridges remain unbroken, this can lead to a tether-like or hinged-band scenario. This can lead to the closure being in a hanging or stuck position. When bridges remain unbroken, the closure becomes looser with more ability or freedom to move around, resulting in potential undesirable movement. For example, a side-to-side movement of the closure can result in a user inadvertently pulling the closure to one side that makes the closure off-centered.
  • the entire tamper-evident band may go underneath the A-collar or A-diameter of the finish, which may make the closure difficult to open.
  • some section of the tamper-evident band may lift over and partly above the A-collar of the finish, which leads to a hiked band that makes the closure difficult to open.
  • the positioning of the tab portion could lead to the tamper-evident band riding entirely over an A-collar of the finish and coming off with the remainder of the closure when the container is being opened. This is undesirable for several reasons including making the opening of the container more difficult and defeating the tamper-evident aspects of the package because the tamper-evident band should remain with the container after the closure is unthreaded.
  • the tab portion 38 is desirably positioned to remain below and adjacent to a bottom surface of an A-collar of the finish of the container.
  • the tab portion 38 as discussed above is desirably spaced from an exterior wall of the container finish.
  • the tab portion 38 includes a ledge 38 a .
  • the ledge 38 a desirably seals under the A-collar of the finish.
  • the extension portion 40 extends continuously around the entire inner circumference in one embodiment.
  • the outer circumference of the closure 10 is formed by the polymeric annular skirt portion 14 .
  • the inner circumference of the closure is formed by the second portion 34 of the tamper-evident band 30 .
  • the extension portion extends around the entire inner circumference of the closure in a substantially continuous manner. This embodiment also assists in placing and positioning the extension portion adjacent to and abutting an exterior surface of the A-collar. In one embodiment, the extension portion extends from about 75% to about 99% around the inner circumference of the closure. In another embodiment, the extension portion extends from about 80 to about 99% around the inner circumference of the closure. In another embodiment, the extension portion extends from about 90 to about 99% around the inner circumference of the closure. In a further embodiment, the extension portion extends from about 95 to about 99% around the inner circumference of the closure. If the extension portion does not extend around the entire inner circumference of the closure in at least a substantially continuous manner, it will not desirably and consistently assist in preventing or inhibiting the extension portion from moving underneath the A-collar of the finish during the opening process.
  • the extension portion in a more desirable embodiment extends around the entire inner circumference of the closure and maintains a position adjacent to and abutting an exterior surface of the A-collar without the extension portion moving underneath the A-collar.
  • the extension portion 40 is positioned between an interior surface 14 a of the polymeric wall portion 14 and an A-collar or A-diameter 106 . It is desirable for the extension portion 40 to conform or slightly confirm with the A-collar 106 of a container continuously around the entire inner circumference of the closure. In this specific embodiment, the extension portion 40 is squeezed between the interior surface 14 a of the polymeric wall portion 14 and the A-collar 106 . By not having a gap or much of a gap therebetween, the tab portion 38 is prevented or inhibited from rotating inwardly towards an exterior wall of the container finish or unfolding further away from the A-collar. It, however, can be difficult to maintain the tolerances such that the extension portion is squeezed or pinched between the interior surface of the polymeric wall portion and the A-collar.
  • the extension portion 40 of the tamper-evident band 30 conforms with and abuts an exterior surface 106 a of the A-collar 106 .
  • the extension portion 40 desirably forms a seal with the exterior surface 106 a of the A-collar 106 .
  • the ledge 38 a desirably is located underneath the A-collar 106 and away from the sidewall of the finish. As shown in FIG. 4B , the extension portion 40 prevents or inhibits vertical (arrows A and B) or horizontal (arrows C and D) movement of the tab portion 38 .
  • the extension portion 40 has a smaller diameter than the A-collar 106 .
  • FIG. 4C where the first position 82 of the extension portion 40 before being placed onto the container is shown in dashed lines and the second position 84 of the extension portion 40 is shown after being placed onto the container and being moved outwardly by the A-collar 106 .
  • the diameter of the extension portion 40 varies since the second portion 34 including the extension portion 40 is angled (see the first position 82 ) as opposed to being vertical.
  • a top end 40 a of the extension portion 40 has a smaller diameter than a bottom end 40 b of the extension portion 40 .
  • the diameter of the tab portion 38 varies from being angled.
  • the extension portion 40 is generally at an angle A of from about 3 to about 35 degrees. More specifically, the extension portion 40 is generally at an angle A of from about 5 to about 30 degrees, or at an angle A of from about 5 to about 25 degrees. The extension portion 40 is at an angle A is typically from about 10 to about 25 degrees, or at an angle A of from about 10 to about 20 degrees.
  • the diameter of the extension portion 40 is smaller than the diameter of the A-collar 106 . Because the diameter of the extension portion 40 is smaller than diameter of the A-collar 106 , the extension is moved outwardly (in the direction of arrow D in FIG. 4D ) towards the polymeric annular skirt portion 14 . The relative diameters of the extension portion 40 and the A-collar 106 also assist in positioning the second portion 34 of the tamper-evident band 30 .
  • the thickness and the materials used to form the extension portion 40 allow it to be moved from the position in FIG. 2A to the position of FIGS. 4A-4C during the placement of the closure onto the finish of the container.
  • the angle B of the extension portion 40 in FIG. 4B is generally from about ⁇ 5 to about 35 degrees.
  • the angle B of the extension portion 40 is typically from about 0 to about 35 degrees, and more specifically from about 0 to about 25 degrees. More specifically, the angle B of the extension portion 40 is from about 0 to about 15 degrees and, more specifically from 0 to about 10 degrees.
  • angle B may be a negative angle (past vertical and angled toward the interior surface 14 a ) after being placed onto the finish of the container.
  • the angle B at 0 degrees is in a vertical position.
  • angle A is greater than angle B.
  • angle A is 0 to about 20 degrees greater than angle B.
  • angle A is 0 to about 10 or about 15 degrees greater than angle B.
  • the average thickness of the tab portion is greater than the average thickness of the extension portion.
  • the average thickness T 1 of the tab portion 38 as shown in FIG. 2B is generally from about 2 to about 8 times greater than the average thickness T 2 of the extension portion 40 .
  • the average thickness T 1 of the tab portion 38 is generally from about 2 to about 6 times greater than the average thickness T 2 of the extension portion 40 .
  • the average thickness T 1 of the tab portion 38 is typically from about 3 to about 6 times greater than the average thickness T 2 of the extension portion 40 .
  • the average thickness T 1 of the tab portion 38 of the tamper-evident band 30 in FIG. 2B is generally from about 0.03 to about 0.075 inches. More specifically, the average thickness T 1 of the tab portion 38 is from about 0.03 to about 0.06 inches.
  • the length L 1 of the tab portion 38 of the tamper-evident band 30 in FIG. 2B is generally from about 0.05 to about 0.175 inches. More specifically, the length L 1 of the tab portion 38 is from about 0.06 to about 0.16 inches, or from about 0.075 to about 0.15 inches.
  • the average thickness T 2 of the extension portion 40 of the tamper-evident band 30 in FIG. 2B is generally from about 0.005 to about 0.025 inches. More specifically, the average thickness T 2 of the extension portion 40 is from about 0.01 inches to about 0.025 inches, or from about 0.01 to about 0.02 inches.
  • the length L 2 of the extension portion 40 of the tamper-evident band 30 in FIG. 2B is generally from about 0.05 to about 0.15 inches. More specifically, the length L 2 of the extension portion 40 is from about 0.075 inches to about 0.12 inches, or from about 0.08 to about 0.10 inches.
  • the length of the tab portion is typically greater than the length of the extension portion.
  • the length L 1 of the tab portion 38 as shown in FIG. 2B is generally from about 0.75 to about 3 times greater than the length L 2 of the extension portion 40 .
  • the length L 1 of the tab portion 38 is generally from about 1 to about 3 times greater than the length L 2 of the extension portion 40 .
  • the length L 1 of the tab portion 38 is generally from about 1 to about 2 times greater than the length L 2 of the extension portion 40 .
  • the polymeric annular skirt portion includes an internal thread formation for mating engagement with an external thread formation of a container.
  • the polymeric annular skirt portion 14 of FIG. 2A includes an internal thread formation 60 for mating engagement with an external thread formation of a container.
  • the internal thread formation 60 includes a first closure lead 62 and a second closure lead 64 .
  • the thread development is typically discontinuous.
  • the thread segments in the polymeric annular skirt portion 14 from the beginning to the end are helical in this embodiment.
  • the first closure lead 62 begins near the polymeric top wall portion 12 at a first position (not shown in FIG. 2A ) and extends in a helical fashion to a second position closer to the tamper-evident band 30 .
  • the second closure lead 64 begins near the polymeric top wall portion 12 at a first position (not shown in FIG. 2A ) and extends in a helical fashion to a second position (not shown in FIG. 2A ) closer to the tamper-evident band 30 .
  • the first and second closure leads 62 , 64 are referred collectively as a double lead closure thread. Each of the first and second closure leads 62 , 64 is continuous.
  • the first positions of the first and second closure leads 62 , 64 are located roughly 180 degrees apart from each other and, thus, begin on generally opposing sides of the closure 10 .
  • first and second closure leads may be discontinuous. It is also contemplated that the internal thread formation of the closure may differ from a helical thread formation. It is also contemplated that other internal thread formations may be used in the closure.
  • the thread closure turns may be continuous, especially in those applications with packages having less than 45 psi. It is also contemplated that the internal thread formation of the closure may differ from a helical thread formation. It is also contemplated that other internal thread formations may be used in the closure.
  • the frangible connection 50 may be formed by molded-in-bridges in one embodiment.
  • the molded-in-bridges are typically formed using a feature in the mold.
  • the frangible connection may be formed using scoring or scored lines, notches, leaders, nicks or other lines of weaknesses.
  • FIGS. 4A, 4B are general cross-sectional views of a portion of the container 108 that includes a neck portion 102 that defines an opening and the closure 10 .
  • the neck portion 102 of the container 108 includes an external thread formation 140 and a continuous outer ring 110 .
  • the external thread formation 140 includes a first finish lead 142 and a second finish lead 144 .
  • the external thread formation 140 (first finish lead 142 and second finish lead 144 ) engages with the corresponding internal thread formation 60 (the first and second closure leads 62 , 64 ) to seal the package 100 .
  • the first finish lead 142 begins near the open end of the container 108 and extends in a helical fashion to a second position that is closer to the closed end of the container.
  • the second finish lead starts closer to the open end of the container 108 and extends in a helical fashion to a second position that is closer to the closed end of the container.
  • Each of the first and second finish leads is continuous.
  • the first positions of the first and second finish leads are typically located roughly 180 degrees apart from each other and, thus, begin on opposing sides of the neck portion 102 of the container 108 .
  • the first closure lead 62 is desirably in contact with the first finish lead 142 and the second closure lead 64 is desirably in contact with the second finish lead 144 . It is contemplated that the external thread formation of the container may have discontinuous leads.
  • the external thread formation of the container may be different than that disclosed with respect to the container 108 .
  • the closures of the present invention may include an oxygen-scavenger material.
  • This oxygen-scavenger material may be distributed within the closure or may be a separate layer.
  • the oxygen-scavenger material may be any material that assists in removing oxygen within the container, while having little or no effect on the contents within the container.
  • the closures may include an oxygen-barrier material.
  • the oxygen-barrier material may be added as a separate layer or may be integrated within the closure itself.
  • the oxygen-barrier materials assist in preventing or inhibiting oxygen from entering the container through the closure. These materials may include, but are not limited to, ethylene vinyl alcohol (EVOH). It is contemplated that other oxygen-barrier materials may be used in the closure.
  • EVOH ethylene vinyl alcohol
  • features other than the tamper-evident band may be included in the closure described above.
  • U.S. Publication No. 2018/009979, U.S. Publication No. 2017/0349336, U.S. Pat. Nos. 9,126,726, 9,085,385, 8,763,830, 8,485,374, U.S. Publication No. 2009/0045158 and U.S. Pat. No. 6,123,212 all include such features that may be incorporated in the closures of the present invention. All of these references are hereby incorporated by reference in their entireties.
  • the top wall portion 12 , the annular skirt portion 14 , and the tamper-evident band 30 are made of polymeric material.
  • the top wall portion 12 , the annular skirt portion 14 , and the tamper-evident band 30 are typically made of an olefin (e.g., polyethylene (PE), polypropylene (PP)), polyethylene terephthalate (PET) or blends thereof.
  • PE polyethylene
  • PP polypropylene
  • PET polyethylene terephthalate
  • HDPE high density polyethylene
  • the top wall portion, the annular skirt portion, the tamper-evident band may be made of other polymeric materials.
  • the tamper-evident band 30 is typically made of the same materials as the top wall portion 12 , and the annular skirt portion 14 .
  • the closures are typically formed by processes such as injection or compression molding, extrusion or the combination thereof.
  • the container 108 is typically made of polymeric material.
  • a material to be used in forming a polymeric container is polyethylene terephthalate (PET), polypropylene (PP) or blends using the same. It is contemplated that the container may be formed of other polymeric or copolymer materials. It is also contemplated that the container may be formed of glass.
  • the container 108 typically has an encapsulated oxygen-barrier layer or oxygen barrier material incorporated therein.
  • the closure 10 is unthreaded by turning the closure 10 with respect to the container 108 . After the closure has been unthreaded, the closure 10 can be removed from the container 108 .
  • the tamper-evident band 30 is desirably fully separated from the reminder of the closure 10 via the frangible connection 50 , which indicates that the closure 10 has been unthreaded with respect to the container 108 .
  • the neck portion 102 of the container 108 includes the external thread formation 104 , the A-collar 106 and the continuous outer ring 110 .
  • the continuous outer ring 110 assists in positioning the tamper-evident band 30 if the annular skirt portion 14 is unthreaded from the neck 102 of the container 108 by the breaking of the frangible connection 50 .
  • the continuous outer ring 110 also assists in simplifying the handling of the container during the formation and filling of the container during the manufacturing process.
  • the polymeric closures of the present invention are desirable in both low-temperature and high-temperature applications.
  • the polymeric closures may be used in low-temperature applications such as an ambient or a cold fill. These applications typically include pressurized products such as carbonated soft drinks. It is contemplated that the closure may be used in other applications such as water, sports drinks, and aseptic applications such as dairy products. It is contemplated that other low-temperature applications may be used with the polymeric closures of the present invention.
  • the polymeric closures of the present invention may be exposed to high-temperature applications such as hot-fill, pasteurization, and retort applications.
  • a hot fill application is generally performed at temperatures around 185° F.
  • a hot-fill with pasteurization is generally performed at temperatures around 205° F.
  • Retort applications are typically done at temperatures greater than 250° F. It is contemplated that the polymeric closures of the present invention can be used in other high-temperature applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US17/034,456 2020-09-28 2020-09-28 Package and closure with tamper-evident band Abandoned US20220097935A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US17/034,456 US20220097935A1 (en) 2020-09-28 2020-09-28 Package and closure with tamper-evident band
CA3192221A CA3192221A1 (fr) 2020-09-28 2021-09-20 Emballage et fermeture a bande inviolable
AU2021347122A AU2021347122A1 (en) 2020-09-28 2021-09-20 Package and closure with tamper-evident band
PCT/US2021/051039 WO2022066555A1 (fr) 2020-09-28 2021-09-20 Emballage et fermeture à bande inviolable
CN202180053991.8A CN116323416A (zh) 2020-09-28 2021-09-20 具有防窃启带的包装和封盖
MX2023003497A MX2023003497A (es) 2020-09-28 2021-09-20 Envase y tapa con banda evidente de manipulacion.
EP21798491.3A EP4217287A1 (fr) 2020-09-28 2021-09-20 Emballage et fermeture à bande inviolable
JP2023519501A JP2023543294A (ja) 2020-09-28 2021-09-20 不正開封明示バンドを有するパッケージおよびクロージャ
KR1020237008148A KR20230075407A (ko) 2020-09-28 2021-09-20 탬퍼-에비던트 밴드를 갖는 패키지 및 클로저

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17/034,456 US20220097935A1 (en) 2020-09-28 2020-09-28 Package and closure with tamper-evident band

Publications (1)

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US20220097935A1 true US20220097935A1 (en) 2022-03-31

Family

ID=78372097

Family Applications (1)

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US17/034,456 Abandoned US20220097935A1 (en) 2020-09-28 2020-09-28 Package and closure with tamper-evident band

Country Status (9)

Country Link
US (1) US20220097935A1 (fr)
EP (1) EP4217287A1 (fr)
JP (1) JP2023543294A (fr)
KR (1) KR20230075407A (fr)
CN (1) CN116323416A (fr)
AU (1) AU2021347122A1 (fr)
CA (1) CA3192221A1 (fr)
MX (1) MX2023003497A (fr)
WO (1) WO2022066555A1 (fr)

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* Cited by examiner, † Cited by third party
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US20220371785A1 (en) * 2021-05-24 2022-11-24 Richard D. Lohrman Modified Sidewall of Tethered Closure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220371785A1 (en) * 2021-05-24 2022-11-24 Richard D. Lohrman Modified Sidewall of Tethered Closure

Also Published As

Publication number Publication date
EP4217287A1 (fr) 2023-08-02
AU2021347122A1 (en) 2023-03-16
WO2022066555A1 (fr) 2022-03-31
KR20230075407A (ko) 2023-05-31
CN116323416A (zh) 2023-06-23
CA3192221A1 (fr) 2022-03-31
MX2023003497A (es) 2023-04-14
JP2023543294A (ja) 2023-10-13

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