WO2010020926A1 - Agencement de fermeture - Google Patents

Agencement de fermeture Download PDF

Info

Publication number
WO2010020926A1
WO2010020926A1 PCT/IB2009/053600 IB2009053600W WO2010020926A1 WO 2010020926 A1 WO2010020926 A1 WO 2010020926A1 IB 2009053600 W IB2009053600 W IB 2009053600W WO 2010020926 A1 WO2010020926 A1 WO 2010020926A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure arrangement
end wall
cap
bottle
inner cap
Prior art date
Application number
PCT/IB2009/053600
Other languages
English (en)
Inventor
Neelin Naidoo
Kenneth Trevor Bode
Mark Eric Stone
Original Assignee
Mcg Industries (Pty) Limited
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 Mcg Industries (Pty) Limited filed Critical Mcg Industries (Pty) Limited
Publication of WO2010020926A1 publication Critical patent/WO2010020926A1/fr
Priority to ZA2011/01195A priority Critical patent/ZA201101195B/en

Links

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

Definitions

  • This invention relates to a closure arrangement for closing a container, and more particularly, but not exclusively, to a closure arrangement for closing a bottle with a threaded neck finish.
  • Containers, and in particular bottles, are typically closed and sealed using two alternative closure arrangements.
  • the one arrangement is a threaded closure arrangement such as a screw cap, and the other arrangement is an internal interference fit arrangement such as a cork or other similar type of stopper- arrangement.
  • Internal interference fit arrangements have always been particularly popular in the wine industry, and usually comprise a solid cylindrical body, made of cork or a suitable synthetic material, that is inserted into the aperture of the bottle.
  • the cylindrical body is at least partially resilient, and is configured to have an outer diameter in excess of the inner diameter of the aperture of the bottle, thus resulting in an interference fit between the body and the bottle when installed.
  • the neck of the bottle is subsequently covered with an aluminium sleeve for aesthetic purposes, and also to provide a smooth printing area onto which the name of the wine-estate, inter alia, could be printed.
  • the outer appearance of the sealed bottles remained substantially the same as the outer appearance of conventional interference fit arrangements. It would, for instance, be important from a printing point of view that the outer sleeve remains smooth, and does not become threaded, as is the case in many threaded cap arrangements.
  • threaded closure arrangements have been proposed for this purpose.
  • a common requirement is that these threaded closure arrangements should be able to fit onto standard thread finishes. This requirement results in a number of design constraints insofar as the dimensions and configuration of the threaded closure is concerned.
  • Threaded closure arrangements such as the closure disclosed in International patent application number WO 2006/011002 in the name of Guala Closures S.p.A. are known in industry.
  • This closure includes an inner cap of plastics material having an end wall and a tubular skirt, which is provided with an internal thread, which engages a corresponding thread provided on the neck of the bottle; an outer cap of sheet metal which covers the said inner cap and which is fixed to the neck of the bottle by fixing means, wherein at least one circular weakening line is provided in the said sheet metal outer cap.
  • the outer cap has a tubular shape and is provided with an annular enlargement forming an inner annular channel delimited by corresponding axial end stops; said channel faces the tubular skirt of the inner cap which is provided with an annular thickening extending radially and axially, wherein the said thickening is delimited by corresponding axial end stops and is force-fitted into the said channel.
  • a disadvantage of this closure is that it is complex to manufacture, and it is believed that it is possible to simplify this method so as to render the process simpler and more cost-effective.
  • a closure arrangement suitable for closing and sealing an aperture of a bottle with a threaded neck finish
  • the closure arrangement comprising: an inner cap of a metal material, with an inner end wall and an inner tubular skirt extending from a rim of the end wall, the tubular skirt having threading for engaging complementary threading of the opening of the bottle; and - an outer cap of a metal material, with an outer end wall and an outer tubular skirt extending from a rim of the end wall, covering and being secured to the inner cap, and including two portions, an upper portion and a lower portion, which are connected to one another by a plurality of bridge members, which are breakable by rotating the upper section relative to the lower section, and wherein the outer surface of the upper section is substantially uniformly smooth to conceal the inner threaded profile of the inner cap.
  • the closure may include a disc-shaped liner lining the end wall of the inner cap.
  • the plurality of bridge members may form a line of weakness, between the upper portion and lower portion, and may provide tamper evident means.
  • the rim of the end wall of the inner cap may include an inwardly protruding lip formation.
  • figure 1 is a side view, partially in cross-section, of a closure arrangement according to a preferred embodiment of the invention.
  • figure 2 is a side view of the closure arrangement of figure 1 , in use.
  • a closure arrangement according to a preferred embodiment of the invention is generally designated by reference numeral 10.
  • the closure arrangement 10 is suitable for closing and sealing the opening of a bottle 12 with a threaded neck finish.
  • the closure arrangement 10 comprises an inner cap 14 of a metal material, such as aluminium, having an inner end wall 16 and an inner tubular skirt 18 extending from a rim of the end wall 16.
  • the inner cap 14 could also be made of tin or any other suitable metal alloy.
  • the tubular skirt 18 has threading 20 for engaging complementary threading 22 of the opening of the bottle 12.
  • the rim of the end wall 16 of the inner cap 14 further includes an inwardly protruding lip formation 24, know in the industry as a reform, and a liner 26 located adjacent the end wall 16.
  • the liner 26 is disc-shaped and is generally made of expanded polyethylene. However, the liner 26 could be made of any other suitable materials, such as Saran Tin, Saranex, EVOH, PVC, Non PVC/EVA, or a Co-polymer. The liner 26 is responsible for achieving the required sealing performances of the closure arrangement 10.
  • the closure arrangement 10 further comprises an outer cap 28 of a metal material, with an outer end wall 30 and an outer tubular skirt 32 extending from a rim of the end wall 30, covering and being secured to the inner cap 14.
  • the tubular skirt 32 of the outer cap 28 includes two portions, an upper portion 34 and a lower portion 36, which are connected to one another by a plurality of bridge members 38.
  • the upper section 34 can be removed from the lower section 36 by breaking the bridge members 36, typically by rotating the upper section 34 relative to the lower section 36. When the upper section 34 is subsequently removed from the neck of the bottle 12, the bridge members 38 will break, thus leaving the lower section 36 on the neck of the bottle 12.
  • the bridge members 38 also forms a line of weakness, between the upper portion 34 and lower portion 36 the outer cap 28, so as to provide tamper evident means.
  • the lower portion 36 of the tubular skirt 32 of the outer cap 28 could vary in length.
  • the outer surface of the upper section 34 of the outer cap 28 is substantially uniformly smooth to conceal the inner threaded profile of the inner cap 14.
  • the outer surface of the outer cap 28 is further suitable for being printed on due to its smooth surface finish.
  • the inner and outer caps 14 and 28 respectively are secured to one another by being fixed together by using heat activated adhesive coatings on the external surface of the end wall 16 of the inner cap 14 and the internal surface of the end wall 30 of the outer cap 28. It is, however, foreseen that the inner and outer caps 14 and 28 could be secured to one another in other know methods.
  • the closure 10 is installed on the neck of the bottle 12 using standard capping equipment, such as for example an Andre Zalkin-type magnetic torque head having suitable clamping jaws to grip the closure arrangement 10 during application.
  • the closure will be torqued onto the bottle's neck, using a predetermined force setting, followed by two skirt rollers forming a horizontal groove in the closure against the glass, to lock the skirt of the closure to the bottle.
  • the lower portion 36 Upon removal of the closure from the bottle, the lower portion 36 will remain on the neck of the bottle 12.
  • closure arrangement 10 would be acceptable for closing and sealing any type of bottle, but typically also wine and spirit bottles, owing to the fact that the outer cap 28 is smooth and hides the thread of the inner cap. The appearance is thus aesthetically appealing to consumers of spirits and wine.
  • the finished product applied to the bottle thus does not have any visual thread, as currently seen on screw caps.
  • the closure of the present invention is further suitable to be applied to bottles with standard thread and neck finishes, generally suited to aluminium screw caps.

Landscapes

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

Abstract

L’invention concerne un agencement de fermeture (10) permettant de fermer et d’obturer de manière étanche l’ouverture d’une bouteille (12) au moyen d’une bague de col filetée. L’agencement de fermeture (10) comprend un capuchon métallique interne (14) présentant un filetage (20) destiné à venir en prise avec le filetage complémentaire de la bouteille (12) et un capuchon métallique externe (28) fixé sur le capuchon interne (14). La surface externe du capuchon externe (28) est lissée de manière sensiblement uniforme de manière à cacher le profil fileté interne du capuchon interne (14).
PCT/IB2009/053600 2008-08-17 2009-08-14 Agencement de fermeture WO2010020926A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2011/01195A ZA201101195B (en) 2008-08-17 2011-02-15 Closure arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200806667 2008-08-17
ZA2008/06667 2008-08-17

Publications (1)

Publication Number Publication Date
WO2010020926A1 true WO2010020926A1 (fr) 2010-02-25

Family

ID=41395792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/053600 WO2010020926A1 (fr) 2008-08-17 2009-08-14 Agencement de fermeture

Country Status (2)

Country Link
WO (1) WO2010020926A1 (fr)
ZA (1) ZA201101195B (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326480A (en) * 1941-03-18 1943-08-10 Empire Metal Cap Company Closure
US3088615A (en) * 1960-07-25 1963-05-07 Owens Illinois Glass Co Closure caps
GB947043A (en) * 1959-08-18 1964-01-22 Frederick Guy Robinson Screw caps for bottles, jars, canisters and other suitable containers
US3664536A (en) * 1970-05-22 1972-05-23 Cutter Lab Screw type closure cap
US3823841A (en) * 1972-04-13 1974-07-16 American Hospital Supply Corp Closure system for sterile medical liquid container
GB2073159A (en) * 1980-03-28 1981-10-14 Metal Closures Ltd Closures for Containers
EP1695917A1 (fr) * 2005-02-21 2006-08-30 Penn-Wheeling Closure LLC Fermeture à vis et son procédé de fabrication

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326480A (en) * 1941-03-18 1943-08-10 Empire Metal Cap Company Closure
GB947043A (en) * 1959-08-18 1964-01-22 Frederick Guy Robinson Screw caps for bottles, jars, canisters and other suitable containers
US3088615A (en) * 1960-07-25 1963-05-07 Owens Illinois Glass Co Closure caps
US3664536A (en) * 1970-05-22 1972-05-23 Cutter Lab Screw type closure cap
US3823841A (en) * 1972-04-13 1974-07-16 American Hospital Supply Corp Closure system for sterile medical liquid container
GB2073159A (en) * 1980-03-28 1981-10-14 Metal Closures Ltd Closures for Containers
EP1695917A1 (fr) * 2005-02-21 2006-08-30 Penn-Wheeling Closure LLC Fermeture à vis et son procédé de fabrication

Also Published As

Publication number Publication date
ZA201101195B (en) 2012-04-25

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