US20220250804A1 - A metal screw cap for beverage bottle - Google Patents

A metal screw cap for beverage bottle Download PDF

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Publication number
US20220250804A1
US20220250804A1 US17/628,212 US201917628212A US2022250804A1 US 20220250804 A1 US20220250804 A1 US 20220250804A1 US 201917628212 A US201917628212 A US 201917628212A US 2022250804 A1 US2022250804 A1 US 2022250804A1
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US
United States
Prior art keywords
screw cap
dome
radius
bottle
cylinder
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
US17/628,212
Inventor
Andrzej FURMAN
Tomasz LATOS
Maciej KOCIOLEK
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.)
Canpack SA
Original Assignee
Canpack SA
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
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Assigned to CANPACK SPOLKA AKCYJNA reassignment CANPACK SPOLKA AKCYJNA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FURMAN, Andrzej, LATOS, Tomasz, KOCIOLEK, Maciej
Publication of US20220250804A1 publication Critical patent/US20220250804A1/en
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
    • B65D41/348—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being rolled or pressed to conform to the shape of the container, e.g. metallic closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/0442—Collars or rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
    • B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D2543/00277—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B65D41/0421—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck and combined with integral sealing means contacting other surfaces of a container neck

Definitions

  • the object of the present invention is a metal screw cap for a beverage bottle consisting of a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap.
  • Screw caps of the presented type are used for closing bottles for beverages, in particular for carbonated beverages. After filling and closing bottles, carbonated beverages may also be subjected to pasteurization process. Because of high temperatures and a carbon dioxide contained in beverages, it may lead to very high inner pressure inside the bottle, e.g. 5-6 bar, what can undesirably cause escape of carbon dioxide in the area of the screw cap, since the sealing in the area of the bottle closure may become unsatisfactory because of high inner pressure. However reducing of the amount of the carbon dioxide results in undesirable decrease in the beverage quality. Therefore it is necessary to seal the screw cap in such a way that the “escape” of carbon dioxide does not happen.
  • a permeable closure may also cause penetration of air from outside inside the bottle, what may lead to fermentation of the beverage, and in case of beverages comprising oxidisable substances, to alteration of the chemical composition of the beverage (what is particularly undesirable in case of the beverages comprising vitamins or medicinal substances).
  • Patent specification PL374268A discloses a screw cap for containers equipped with a threaded neck, in particular polyethylene bottles, in which beverages containing carbon dioxide are stored.
  • the cap comprises a top plate, a cap jacket provided with an interior thread, an inner sealing ring having cylindrical shape, whose part extends outside in circumferential way and an outer sealing ring also having cylindrical shape, which is placed concentrically in relation to the inner ring.
  • Patent specification US2016288945 discloses a bottle with a screw cap made from light metal intended in particular for storing carbonated beverages. Improvement in relation to the tightness of the closure of the bottle was achieved by modification of the upper edge of the neck of the bottle and appropriate adjustment of the screw cap to such modified neck.
  • Patent specification US2016318674 discloses a screw cap intended for closing bottles for storing oxygen-sensitive medicines, which comprises a dome and a threaded skirt. Outstanding seating was achieved by adding annular pliable gasket secured to the circumferential portion of the inner section of the dome and a layer of lacquer applied on the inner surface of the dome inside the gasket. In this construction, threaded connection of the twisted closing skirt with the pharmaceutical bottle under pressure causes, that the pliable gasket seals the upper edge of the pharmaceutical bottle, to provide a gas-tight seal.
  • a metal screw cap for a beverage bottle consisting of a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap in accordance with the invention is characterised by this that the dome is concave and is connected with the cylinder through a top ring, where between the dome and the top ring there is a circumferential groove having the radius of the inner curvature R 1 .
  • the cylinder is connected with a security band by frangible bridges.
  • the depth of the screw cap is from 1 to 10 mm, preferably from 1.2 to 8 mm.
  • the radius R 1 is from 0.5 to 4 mm, when the screw cap is not twisted.
  • the radius R 1 is from 1 to 3 mm.
  • the diameter of the cylinder is from 10 to 100 mm.
  • the radius of the curvature of the dome of the screw cap is from 35 to 105 mm.
  • the radius R 2 is from 45 to 50 mm.
  • the screw cap according to the invention allows to increase force of the sealing of the system by use of the inner pressure.
  • Special shape of the screw cap causes that the pressure inside the bottle deforms the screw cap in a controlled way and pushes its wall to the wall of the bottle in the place, where the groove is in the dome.
  • the screw cap according to the invention is a self-sealing screw cap.
  • FIG. 1 illustrates the screw cap
  • FIG. 2 its cross-section
  • FIG. 3 a cross-section of the neck of the bottle with the screw cap
  • FIGS. 4 and 5 illustraterate the mode of action of the screw cap
  • FIG. 4 before closing
  • FIG. 5 after closing.
  • the dome 1 is concave and is connected with the cylinder 3 having the height H through the top ring 2 . Between the dome 1 and the top ring 2 is placed the circumferential groove having the radius of the inner curvature R 1 .
  • the cylinder 3 is equipped with a tread 4 .
  • the cylinder 3 is connected with a security band 5 by the frangible bridges 6 .
  • the depth of the screw cap D is from 1 to 10 mm, preferably from 1.2 to 8 mm.
  • the radius R 1 is from 0.5 to 4 mm, when the screw cap is not twisted.
  • the radius R 1 is from 1 to 3 mm.
  • the diameter of the cylinder S is from 10 to 100 mm.
  • the radius R 2 of the curvature of the dome 1 of the screw cap is from 35 to 105 mm.
  • the radius R 2 is from 45 to 50 mm.
  • the screw cap 8 is applied on the threaded neck 9 of the bottle 10 . Twisting of the screw cap causes sealing of the outlet of the bottle, because the radius R 1 is reduced, owing to that the wall of the screw cap is being pushed to the wall of the bottle.

Landscapes

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

Abstract

A metal screw cap for a beverage bottle consisting of a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap, where the dome is concave and is connected with the cylinder through a top ring, where between the dome and the top ring there is a circumferential groove having the radius of the inner curvature.

Description

    TECHNICAL FIELD
  • The object of the present invention is a metal screw cap for a beverage bottle consisting of a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap.
    • BACKGROUND ART.
  • Screw caps of the presented type are used for closing bottles for beverages, in particular for carbonated beverages. After filling and closing bottles, carbonated beverages may also be subjected to pasteurization process. Because of high temperatures and a carbon dioxide contained in beverages, it may lead to very high inner pressure inside the bottle, e.g. 5-6 bar, what can undesirably cause escape of carbon dioxide in the area of the screw cap, since the sealing in the area of the bottle closure may become unsatisfactory because of high inner pressure. However reducing of the amount of the carbon dioxide results in undesirable decrease in the beverage quality. Therefore it is necessary to seal the screw cap in such a way that the “escape” of carbon dioxide does not happen. A permeable closure may also cause penetration of air from outside inside the bottle, what may lead to fermentation of the beverage, and in case of beverages comprising oxidisable substances, to alteration of the chemical composition of the beverage (what is particularly undesirable in case of the beverages comprising vitamins or medicinal substances).
  • Patent specification PL374268A discloses a screw cap for containers equipped with a threaded neck, in particular polyethylene bottles, in which beverages containing carbon dioxide are stored. The cap comprises a top plate, a cap jacket provided with an interior thread, an inner sealing ring having cylindrical shape, whose part extends outside in circumferential way and an outer sealing ring also having cylindrical shape, which is placed concentrically in relation to the inner ring.
  • Patent specification US2016288945 discloses a bottle with a screw cap made from light metal intended in particular for storing carbonated beverages. Improvement in relation to the tightness of the closure of the bottle was achieved by modification of the upper edge of the neck of the bottle and appropriate adjustment of the screw cap to such modified neck.
  • Patent specification US2016318674 discloses a screw cap intended for closing bottles for storing oxygen-sensitive medicines, which comprises a dome and a threaded skirt. Outstanding seating was achieved by adding annular pliable gasket secured to the circumferential portion of the inner section of the dome and a layer of lacquer applied on the inner surface of the dome inside the gasket. In this construction, threaded connection of the twisted closing skirt with the pharmaceutical bottle under pressure causes, that the pliable gasket seals the upper edge of the pharmaceutical bottle, to provide a gas-tight seal.
    • DISCLOSURE OF THE INVENTION
  • A metal screw cap for a beverage bottle consisting of a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap in accordance with the invention is characterised by this that the dome is concave and is connected with the cylinder through a top ring, where between the dome and the top ring there is a circumferential groove having the radius of the inner curvature R1.
  • The cylinder is connected with a security band by frangible bridges.
  • The depth of the screw cap is from 1 to 10 mm, preferably from 1.2 to 8 mm.
  • The radius R1 is from 0.5 to 4 mm, when the screw cap is not twisted.
  • The radius R1 is from 1 to 3 mm.
  • The diameter of the cylinder is from 10 to 100 mm.
  • The radius of the curvature of the dome of the screw cap is from 35 to 105 mm.
  • The radius R2 is from 45 to 50 mm.
  • The screw cap according to the invention allows to increase force of the sealing of the system by use of the inner pressure. Special shape of the screw cap causes that the pressure inside the bottle deforms the screw cap in a controlled way and pushes its wall to the wall of the bottle in the place, where the groove is in the dome. Thereby the screw cap according to the invention, is a self-sealing screw cap.
  • The subject of the invention is disclosed at the drawings, where FIG. 1 illustrates the screw cap, FIG. 2—its cross-section, FIG. 3—a cross-section of the neck of the bottle with the screw cap, FIGS. 4 and 5—illustrate the mode of action of the screw cap, FIG. 4—before closing, FIG. 5—after closing.
    • EXAMPLE
  • The dome 1 is concave and is connected with the cylinder 3 having the height H through the top ring 2. Between the dome 1 and the top ring 2 is placed the circumferential groove having the radius of the inner curvature R1. The cylinder 3 is equipped with a tread 4. The cylinder 3 is connected with a security band 5 by the frangible bridges 6. The depth of the screw cap D is from 1 to 10 mm, preferably from 1.2 to 8 mm. The radius R1 is from 0.5 to 4 mm, when the screw cap is not twisted. Preferably the radius R1 is from 1 to 3 mm. The diameter of the cylinder S is from 10 to 100 mm. The radius R2 of the curvature of the dome 1 of the screw cap is from 35 to 105 mm. Preferably the radius R2 is from 45 to 50 mm.
  • Inside of the screw cap is lined with a liner 7.
  • The screw cap 8 is applied on the threaded neck 9 of the bottle 10. Twisting of the screw cap causes sealing of the outlet of the bottle, because the radius R1 is reduced, owing to that the wall of the screw cap is being pushed to the wall of the bottle.

Claims (8)

1. A metal screw cap for a beverage bottle comprising a dome and a cylinder having internal thread adapted to co-operate with a threaded neck of the bottle and a liner affixed to the inner surface of the screw cap, characterized in that the dome (1) is concave and is connected with the cylinder (3) through a top ring (2), wherein between the dome (1) and the top ring (2) there is a circumferential groove having the radius of the inner curvature R1.
2. The screw cap according to claim 1, characterized in that the cylinder (3) is connected with a security band (5) by frangible bridges (6).
3. The screw cap according to claim 1, characterized in that, the depth of the screw cap (D) is from 1 to 10 mm, preferably from 1.2 to 8 mm.
4. The screw cap according to claim 1, characterized in that the radius (R1) is from 0.5 to 4 mm, when the screw cap is not twisted.
5. The screw cap according to claim 4, characterized in that the radius (R1) is from 1 to 3 mm.
6. The screw cap according to claim 1, characterized in that the diameter of the cylinder (S) is from 10 to 100 mm.
7. The screw cap according to claim 1, characterized in that, the radius (R2) of the curvature of the dome (1) of the screw cap is from 35 to 105 mm.
8. The screw cap according to claim 7, characterized in that the radius R2 is from 45 to 50 mm.
US17/628,212 2019-07-18 2019-07-18 A metal screw cap for beverage bottle Pending US20220250804A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2019/056164 WO2021009551A1 (en) 2019-07-18 2019-07-18 A metal screw cap for beverage bottle

Publications (1)

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US20220250804A1 true US20220250804A1 (en) 2022-08-11

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US17/628,212 Pending US20220250804A1 (en) 2019-07-18 2019-07-18 A metal screw cap for beverage bottle

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WO (1) WO2021009551A1 (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556335A (en) * 1969-06-06 1971-01-19 Brockway Glass Co Inc Container closure
US3997077A (en) * 1974-11-13 1976-12-14 G. D. Searle & Co. Ltd. Containers with screw caps
US5458252A (en) * 1994-06-03 1995-10-17 American Precision Plastics Corporation Invertible, pressure-responsive sealing cap
US20050147773A1 (en) * 2004-01-06 2005-07-07 Saliaris George P. Thermally conductive cap
WO2005092730A1 (en) * 2004-03-25 2005-10-06 Carbonite Corporation Fitting caps to containers
WO2009064032A1 (en) * 2007-11-12 2009-05-22 Hyunjin Cho Dual sealing structure for container
US20110204058A1 (en) * 2010-02-22 2011-08-25 Jack Edward Maze Specimen Container
US20160288945A1 (en) * 2015-04-02 2016-10-06 Red Bull Gmbh Bottle having a screw cap
US20170107020A1 (en) * 2014-03-26 2017-04-20 Ardagh Mp West France Metal container comprising a neck capable of receiving a screw cap-type sealing element
US20170197764A1 (en) * 2014-07-25 2017-07-13 Threadless Closures Limited Container And Closure
US20200406337A1 (en) * 2019-06-26 2020-12-31 Ball Corporation A method and apparatus for sealing a metallic container with a metallic end closure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197055A (en) * 1963-07-09 1965-07-27 Aluminum Co Of America Plastic container, metallic closure packaging
US4813557A (en) * 1984-03-05 1989-03-21 Sewell Plastics Inc. Pasteurizable container closure
GB2542641A (en) * 2015-07-24 2017-03-29 Threadless Closures Ltd Container and closure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556335A (en) * 1969-06-06 1971-01-19 Brockway Glass Co Inc Container closure
US3997077A (en) * 1974-11-13 1976-12-14 G. D. Searle & Co. Ltd. Containers with screw caps
US5458252A (en) * 1994-06-03 1995-10-17 American Precision Plastics Corporation Invertible, pressure-responsive sealing cap
US20050147773A1 (en) * 2004-01-06 2005-07-07 Saliaris George P. Thermally conductive cap
WO2005092730A1 (en) * 2004-03-25 2005-10-06 Carbonite Corporation Fitting caps to containers
WO2009064032A1 (en) * 2007-11-12 2009-05-22 Hyunjin Cho Dual sealing structure for container
US20110204058A1 (en) * 2010-02-22 2011-08-25 Jack Edward Maze Specimen Container
US20170107020A1 (en) * 2014-03-26 2017-04-20 Ardagh Mp West France Metal container comprising a neck capable of receiving a screw cap-type sealing element
US20170197764A1 (en) * 2014-07-25 2017-07-13 Threadless Closures Limited Container And Closure
US20160288945A1 (en) * 2015-04-02 2016-10-06 Red Bull Gmbh Bottle having a screw cap
US20200406337A1 (en) * 2019-06-26 2020-12-31 Ball Corporation A method and apparatus for sealing a metallic container with a metallic end closure

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