EP4403487A2 - Fesselnder kunststoff-schraubverschluss - Google Patents

Fesselnder kunststoff-schraubverschluss Download PDF

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Publication number
EP4403487A2
EP4403487A2 EP24180692.6A EP24180692A EP4403487A2 EP 4403487 A2 EP4403487 A2 EP 4403487A2 EP 24180692 A EP24180692 A EP 24180692A EP 4403487 A2 EP4403487 A2 EP 4403487A2
Authority
EP
European Patent Office
Prior art keywords
strip
weakness line
hinge
stopper
closure shell
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.)
Pending
Application number
EP24180692.6A
Other languages
English (en)
French (fr)
Other versions
EP4403487A3 (de
Inventor
Kirk DODD
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.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=70731706&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP4403487(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sidel Participations SAS filed Critical Sidel Participations SAS
Publication of EP4403487A2 publication Critical patent/EP4403487A2/de
Publication of EP4403487A3 publication Critical patent/EP4403487A3/de
Pending 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
    • 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
    • B65D41/32—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
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members

Definitions

  • This invention relates to a tethered plastic screw stopper.
  • a container In the field of liquid packaging, it is very common to seal the aperture of a container with a stopper, often made from a plastic material.
  • a stopper often made from a plastic material.
  • Such container is usually a plastic or glass bottle, but other materials may be used as well.
  • the stopper has a tubular shape closed at its top edge by a top wall.
  • the stopper comprises a roof attached to a tamper shell through bridges. Bridges are distributed around the circumference of the roof and the tamper shall. The bridges may be made when molding the stopper or after through undergoing a cutting step during the manufacturing process.
  • the bottle neck includes outer fixation feature, such as thread(s) for screw type stopper or annular fixation rings for snap type stopper, to secure the stopper on the bottle neck.
  • outer fixation feature such as thread(s) for screw type stopper or annular fixation rings for snap type stopper, to secure the stopper on the bottle neck.
  • the tamper shell comprises inner thread(s) arranged inside side walls.
  • the bottle neck fixation feature may include outer thread(s). Such combination of outer and inner thread(s) allows the stopper to be screwed on a bottle neck to seal it and unscrewed for bottle opening.
  • a snap type stopper may include an inner annular area and the bottle neck fixation feature may include outer fixation ring, in order to slot in force the stopper on the bottle neck.
  • a snap type stopper may include a tamper shell with a movable sealing roof from a closed position to a partial opening position, and reversely. The roof may be separated upon opening or may be connected to the tamper shell.
  • the tamper shell may be secured around the bottle neck through inner shell retaining features or through the retaining features diameter being smaller than a diameter of a tamper shell of the bottle neck.
  • the roof may be removable.
  • the bridges form a weakness line and may be torn apart from the roof, separating it from the bottle.
  • the weakness line may be torn when user unscrews the tamper shell of the stopper or when user lifts the roof by tilting.
  • One solution includes linking the roof to the tamper shell secured on the bottle neck, so the roof stays attached to the bottle after bottle opening.
  • Such an attached stopper may be called a "tethered stopper.”
  • U.S. Patent No. 9,010,555 teaches a plastic screw stopper including a peripheral strip between a tamper shell and a roof. Such peripheral strip is linked to the tamper shell through a bottom weakness line and to the roof through a top weakness line.
  • the bottom weakness line and top weakness line are parallel and extend across the periphery of the stopper in order to incorporate one or two hinges in close proximity to each other. When unscrewing the stopper the bottom weakness line and top weakness line tear apart, but the two hinges hold the roof on the tamper shell.
  • the roof becomes unmovable and as capable of toggling around the hinges beside of the stopper secured on the bottle neck.
  • U.S. 8,490,805 teaches a plastic screw stopper comprises a helicoidal strip between a tamper shell and a roof. Such helicoidal strip is obtained by cutting the tamper shell around the stopper. The outer wall of the tamper shell is placed against a blade and the stopper is moved in rotation relative to the blade according to an angular stroke greater than an entire turn or more than 360°. During rotation, the stopper is being moved in an axial movement relative to the blade. The cut line forms a helicoidal weakness line which remains attached at one end to the tamper shell and at its opposite end to the roof after opening.
  • tethered stopper comprising a spiral strip.
  • the spiral strip is made during the stopper molding so there is no cutting or slitting operations.
  • Other known prior art systems includes tethered stoppers comprising two strips linking the closure shell to the tamper band secured on the bottle.
  • This invention is a tethered plastic screw stopper where its closure shell remains attached to its tamper band after the bottle is opened by use of a strip made into the plastic material of the stopper between the tamper band and the closure shell using a bottom weakness line and a top weakness line.
  • Each strip remains connected to the tamper band secured on the bottle neck by a least a bottom hinge managed into the bottom weakness line.
  • the opposite ends of each strip are directly linked to the closure shell through a junction point.
  • the stopper further comprises a specific top weakness line where the junction point of the strip with the closure shell is located over a bottom bridge located at the nearest from the bottom hinge(s), so called “nearest bottom bridge” on a side of the screwing direction of the closure shell.
  • the invention systematically allows the nearest bottom bridge to be broken due to the junction point location where the closure shell and the strip ends are upwardly moved the farthest from the tamper band during closure shell unscrewing motion. A force is applied on the closest bridge due to the specific position of the junction point of the end of the strip.
  • phrases such as 'configured to' perform a function can include any or all of being sized, shaped, positioned in the arrangement, and comprising material to perform the function.
  • Terms indicating quantity such as 'first' or 'second' are used for exemplary and explanation purposes and are not intended to dictate the specific ordering of a component with respect to other components.
  • Terms indicating position such as 'top' or 'bottom' and 'left' or right' are used for exemplary and explanation purposes with respect to other components.
  • This invention relates to a tethered plastic screw stopper 100 for closing a bottle neck 102.
  • the stopper 100 is integrally made of one plastic piece by a molding fabrication step. Other parts or elements of the stopper 100 can be further created into the entire plastic piece through a cutting or slitting step.
  • the stopper 100 is a screw type and comprises inner fixation features, such as thread(s), designed to cooperate with outer complementary fixation features made on the bottle neck 102.
  • the screwing direction of the stopper 100 is typically clockwise and extends from right to left.
  • the screwing orientation is represented as a directional arrow in Figures 1 through 4 .
  • the unscrewing direction of the stopper 100 oppositely extends relative to the screw direction, so counterclockwise from left to right.
  • the screwing direction can be designed counterclockwise.
  • the stopper 100 comprises a closure shell 104 and underneath a tamper band 106.
  • the tamper band 106 and the closure shell 104 are separably linked together by way of a strip 108.
  • the stopper 100 includes one strip 108. In other embodiments, the stopper 100 includes two or more strips 108. For example, the stopper 100 includes two strips 108 positioned on opposite sides of the stopper 100. The two strips 108 can be positioned in a symmetrical or asymmetrical layout.
  • the strip 108 is separably connected to the closure shell 104 through a plurality of top bridges 112 that form a top weakness line 110. Similarly, the strip 108 is separably connected to the tamper band 106 through a plurality of bottom bridges 116 that form a bottom weakness line 114.
  • the bottom weakness line 114 comprises at least one hinge 118 configured to connect the strip 108 and the tamper band 106.
  • the bottom weakness line 114 comprises two hinges 118 where each hinge 118 connects a respective strip 108 to the tamper band 106.
  • the two hinges 118 can be spaced through a hole or a less thick material managed into the tamper band 106 between the two hinges 118.
  • the top bridges 112 and bottom bridges 116 are each configured to be stretched and ultimately broken when unscrewing the closure shell 104.
  • the top and bottom bridges 112, 116 are regularly or irregularly positioned around the perimeter of the top and bottom weakness lines 110, 114 respectively. However, at the location of the hinge(s) 118, the top and bottom bridges 112, 116 are not present.
  • Each strip 108 comprises an extremity at an end of the top weakness line 110, linking the strip 108 with the closure shell 104 at a junction point 120.
  • the top weakness line 110 is configured in order to form an end 122 of the strip 108 positioned above a bottom bridge 116 located at the nearest to the hinge 118 on the left side of the hinge considering a clockwise screwing direction of the closure shell 104.
  • the junction point of the left strip relative to the hinge 118 is located over the nearest left bottom bridge 116 (denoted with parallel vertical lines in Figure 2 ).
  • the end of the top weakness line located on the left of the hinge 118 for a clockwise screwing stopper is angularly located between - 40° to 40° relative to the vertical axis of the bottom bridge 116 located at the nearest from the hinge 118.
  • the hinge 118 is more particularly located between - 20° to 20° relative to the vertical axis of the bottom bridge 116 located at the nearest from the hinge 118.
  • the junction point 120 of the left strip 108 is angularly situated approximately 20° relative to the left nearest bottom bridge 116.
  • Such angular variation is shown in the drawings illustrated in dotted lines on Figures 3 and 4 .
  • the top weakness line 110 is asymmetric relative to the bottom weakness line 114 which is symmetric relative to a vertical plane crossing the diameter of the stopper 100. So when molding or further slitting the stopper 100, the top weakness line 110 is angularly switched or turned offset in relation with the position of the hinge(s) 118 of the bottom weakness line 114. Thus, one strip 108 (e.g., the left strip) in a clockwise screwing configuration, is shorter than the opposite strip 108 (e.g., the right strip). In other embodiments, such as show in Figure 3 , the bottom weakness line 114 is symmetric relative to a vertical plane crossing the diameter of the stopper 100 where the plane being shown by a fine continuous line.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP24180692.6A 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss Pending EP4403487A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862759931P 2018-11-12 2018-11-12
PCT/US2019/060808 WO2020102122A2 (en) 2018-11-12 2019-11-12 Tethered plastic screw stopper
EP19884687.5A EP3880575B1 (de) 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19884687.5A Division EP3880575B1 (de) 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss

Publications (2)

Publication Number Publication Date
EP4403487A2 true EP4403487A2 (de) 2024-07-24
EP4403487A3 EP4403487A3 (de) 2024-10-23

Family

ID=70731706

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19884687.5A Active EP3880575B1 (de) 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss
EP24180692.6A Pending EP4403487A3 (de) 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss
EP23171082.3A Active EP4234431B1 (de) 2018-11-12 2019-11-12 Stopper für angebundenen kunststoffschraubstopfen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19884687.5A Active EP3880575B1 (de) 2018-11-12 2019-11-12 Fesselnder kunststoff-schraubverschluss

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23171082.3A Active EP4234431B1 (de) 2018-11-12 2019-11-12 Stopper für angebundenen kunststoffschraubstopfen

Country Status (6)

Country Link
US (1) US20210394970A1 (de)
EP (3) EP3880575B1 (de)
CA (1) CA3111602A1 (de)
ES (1) ES2956518T3 (de)
MX (1) MX2021003759A (de)
WO (1) WO2020102122A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220041339A1 (en) 2020-08-07 2022-02-10 Niagara Bottling, Llc Single anchor closure
US20220177199A1 (en) * 2020-12-04 2022-06-09 Niagara Bottling, Llc Multiple asymmetric anchor container closure
ES1289137Y (es) * 2022-03-18 2022-06-29 Betapack S A U Tapón de cierre de orificios de vertido en envases de líquidos
US20250002228A1 (en) * 2023-06-29 2025-01-02 Niagara Bottling, Llc Container closure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8490805B2 (en) 2007-11-06 2013-07-23 Tetra Laval Holdings & Finance S.A. Method and machine for making a stopper for the neck of a container, and stopper as produced by this method
US9010555B2 (en) 2008-10-09 2015-04-21 Tetra Laval Holdings & Finance S.A. Stopper having a subdivided line of weakness and a method of fabricating such a stopper

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Publication number Priority date Publication date Assignee Title
FR2329536A1 (fr) 1973-07-02 1977-05-27 Somepla Sa Nouvelle capsule a vis inviolable et imperdable
US4557393A (en) * 1984-04-17 1985-12-10 Continental White Cap, Inc. Snap-on cap with tethering strap
US4805792A (en) * 1984-04-17 1989-02-21 Continental White Cap, Inc. Litterless tamper indicating closure
USRE32879E (en) * 1988-02-24 1989-02-28 Sunbeam Plastics Corporation Tamper indicating screw cap
GB8916099D0 (en) * 1989-07-13 1989-08-31 Metal Closures Group Ltd Closure for containers
US5725115A (en) 1995-02-21 1998-03-10 Crown Cork Ag Closure cap with tether
FR2832984B1 (fr) * 2001-12-05 2004-01-30 Sobem Ensemble de bouchage(10)a capuchon(11)imperdable
WO2009002057A2 (en) * 2007-06-22 2008-12-31 Si Joong Kwon Container with anti-loss and anti-idle-rotation cap
CN201136626Y (zh) * 2008-01-03 2008-10-22 黄开刚 多功能塑料防伪瓶盖
AU324981S (en) 2008-06-17 2009-02-27 Creanova Universal Closures Ltd Closure
EP2504249B1 (de) * 2009-11-27 2015-03-18 Tetra Laval Holdings & Finance SA Verschluss mit einer schwächungslinie
FR2957587B1 (fr) * 2010-03-22 2012-07-13 Tetra Laval Holdings & Finance Bouchon avec ligne d'affaiblissement
CN102700822A (zh) * 2012-05-15 2012-10-03 李红彪 瓶盖
CN102700823A (zh) * 2012-05-15 2012-10-03 李红彪 一种瓶盖
WO2015061834A1 (en) * 2013-10-31 2015-05-07 Doran Brian Capping device for a container
US9776779B2 (en) 2014-03-10 2017-10-03 Phillip John Campbell Closure with spring loaded tether docking
US10836549B2 (en) * 2015-04-02 2020-11-17 Thiscap Inc. Cap for container
CN105015912B (zh) * 2015-08-04 2017-12-19 泉州华硕实业有限公司 一种防伪瓶盖
KR101880107B1 (ko) * 2016-12-16 2018-07-19 성보연 분리수거가 용이한 용기 마개
WO2019207149A1 (en) 2018-04-26 2019-10-31 Obrist Closures Switzerland Gmbh Closure
US10836544B2 (en) * 2018-05-09 2020-11-17 Silgan White Cap LLC Closure with hinge
WO2021074726A1 (en) * 2019-10-18 2021-04-22 Novembal Usa Inc. Tethered plastic screw stopper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8490805B2 (en) 2007-11-06 2013-07-23 Tetra Laval Holdings & Finance S.A. Method and machine for making a stopper for the neck of a container, and stopper as produced by this method
US9010555B2 (en) 2008-10-09 2015-04-21 Tetra Laval Holdings & Finance S.A. Stopper having a subdivided line of weakness and a method of fabricating such a stopper

Also Published As

Publication number Publication date
EP4234431A2 (de) 2023-08-30
CA3111602A1 (en) 2020-05-22
MX2021003759A (es) 2021-05-27
ES2956518T3 (en) 2025-02-13
ES2956518T1 (es) 2023-12-22
EP3880575A4 (de) 2022-08-03
WO2020102122A3 (en) 2020-07-23
WO2020102122A2 (en) 2020-05-22
EP4234431A3 (de) 2023-09-20
EP4403487A3 (de) 2024-10-23
EP3880575B1 (de) 2024-07-10
EP4234431B1 (de) 2024-08-28
EP3880575A2 (de) 2021-09-22
EP4234431C0 (de) 2024-08-28
US20210394970A1 (en) 2021-12-23

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