EP1499532A1 - Extremite de canette de boisson presentant une extremite d'ouverture pour une paille - Google Patents

Extremite de canette de boisson presentant une extremite d'ouverture pour une paille

Info

Publication number
EP1499532A1
EP1499532A1 EP03726139A EP03726139A EP1499532A1 EP 1499532 A1 EP1499532 A1 EP 1499532A1 EP 03726139 A EP03726139 A EP 03726139A EP 03726139 A EP03726139 A EP 03726139A EP 1499532 A1 EP1499532 A1 EP 1499532A1
Authority
EP
European Patent Office
Prior art keywords
end closure
membrane
central panel
metallic container
puncturable membrane
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.)
Withdrawn
Application number
EP03726139A
Other languages
German (de)
English (en)
Inventor
Howard C. Chasteen
Gene Lee
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.)
Ball Corp
Original Assignee
Ball Corp
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 Ball Corp filed Critical Ball Corp
Publication of EP1499532A1 publication Critical patent/EP1499532A1/fr
Withdrawn legal-status Critical Current

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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/506—Rigid or semi-rigid members, e.g. plugs
    • B65D17/507—Rigid or semi-rigid members, e.g. plugs moulded in situ, e.g. during production of 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
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/02—Precut holes or weakened zones
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/002—Unusual opening actions
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/0038—Reclosable openings the plug being reinsertable into the opening
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0047—Provided with additional elements other than for closing the opening
    • B65D2517/0049—Straws, spouts, funnels, or other devices facilitating pouring or emptying
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/0059—General cross-sectional shape of container end panel
    • B65D2517/0061—U-shaped
    • B65D2517/0062—U-shaped and provided with an additional U-shaped peripheral channel

Definitions

  • the present invention relates to beverage containers, and more specifically a metallic beverage container end closure with a substantially impermeable membrane which may be penetrated by a drinking straw.
  • beverage containers which are designed to receive a drinking straw have become increasingly popular.
  • the straw is especially beneficial for small children to prevent spilling, and for the physically handicapped or disabled which have difficulty drinking from a standard glass, cup, or larger opening beverage can end.
  • One such product described in U.S. Pat. No. 5,253,779 to Lee combines a compressible straw disposed within the can body. Upon opening, the straw projects itself through a v-shaped panel for a user's benefit.
  • these types of products are undesirable since the flavor of the beverage may become compromised from scalping as the straw is suspended for indefinite periods of time in the beverage. Additionally, it is possible for the straw to become obstructed and thus difficult to retrieve. Further, the opening disclosed in the '779 is too large to make the container substantially spill-proof when the container is knocked over, thus substantially defeating its purpose.
  • Two of the more common types of beverage containers which are adapted to receive a drinking straw include cardboard juice cartons and metallic cans having a foil pull tab.
  • a foil tab or other impermeable material is positioned over a hole and pierced with a sharpened end of the straw to provide entry into the beverage container.
  • a foil pull tab is typically used which is removably interconnected to an upper surface of the metal juice can and positioned over an opening in the beverage can end. Both of the aforementioned foil opening mechanisms have inherent problems.
  • the nature of the squeezable cardboard makes the beverage container conducive to spilling and prone to damage during shipping and bulk storage.
  • the foil when the foil is punctured with the sharpened straw, they often spill as a result of a small child or adult inadvertently squeezing the juice carton. Thus, the goal of preventing spilling is oftentimes exasperated by the collapsible nature of the cardboard storage carton. Additionally, the foil is often difficult to pierce with a plastic drinking straw, especially for the physically disabled or small children. Thus, the goal of making a user friendly, spill-proof drink container is not realized. Further, the foil and associated cardboard containers are significantly less durable than a typical metallic beverage can end, and are thus not suitable for high pressure applications, hot-fillable pasteurized liquids, and other applications which require a high degree of durability. Finally, flavor scalping may be an inherent problem as the enclosed beverages are in contact with the foil, which may have a tendency to alter the taste of the beverage contained therein.
  • a metallic beverage can end is provided which is capable of holding hot-fill liquids such as pasteurized milk at the time the beverage is introduced into the can and which is durable enough to withstand shipping and mishandling during transportation and bulk storage.
  • a metallic beverage can end which can be manufactured with the use of existing production equipment in a beverage can end manufacturing facility.
  • a beverage can end which is adapted for receiving a straw and which does not have a pull tab with any significant sharp edges to substantially decrease the likelihood of any type of finger injury to the user pulling the pull tabs.
  • a score line is provided to define the selectively weakened fracturable zone and which may incorporate a raised reinforcing bead which substantially encircles the small opening and shrouds the opening to prevent inadvertent contact with a user's fingers.
  • a beverage can end which is adapted to receive a straw and which may be selectively closed and resealed to prevent spillage and product contamination.
  • a hinged closure mechanism is provided which closes when the straw is removed from the opening in the end closure.
  • a hinged plug is sized to effectively seal the opening when a straw is removed, and can be repeatedly opened and closed without compromising the hinged closure mechanism.
  • a puncturable membrane which has a vent area positioned substantially adjacent an inserted drinking straw. This vent area allows a small child or the physically disabled to efficiently withdraw a beverage from the container without creating a vacuum in the container.
  • a metallic beverage can end closure which is adapted for receiving a drinking straw
  • a metallic beverage can end closure comprising: a substantially circular end wall; a central panel interconnected to said substantially circular end wall, and further comprising an aperture extending therethrough having a first diameter; a puncturable membrane sealingly engaged to and positioned within said aperture in said central panel, wherein when a downward force is applied to said puncturable membrane with a first end of the drinking straw, said puncturable membrane is opened to receive the drinking straw.
  • FIG. 1 is a top plan view of a beverage can end with a puncturable membrane positioned substantially in a middle portion therein;
  • Fig. 1A is a top plan view of the embodiment shown in Fig. 1 but with the puncturable membrane opened to receive a drinking straw;
  • Fig. 2 is a top plan view of the beverage can end of Fig. 1 and showing the puncturable membrane in greater detail;
  • Fig. 3 is a cross sectional front elevation view of Fig. 2 taken at line AA;
  • Fig. 4 is a top plan view of an alternative embodiment of the present invention.
  • Fig. 5 is a cross-sectional front elevation view of the embodiment shown in Fig. 4 taken at line AA;
  • Fig. 6 is an alternative embodiment of the present invention
  • Fig. 7 is a cross-sectional front elevation view of the invention shown in Fig. 6, and identifying when a positive or negative pressure is present within the beverage container and the flexure associated with the puncturable membrane;
  • Fig. 8 is a cross-sectional, front elevation view of the embodiment shown in Fig. 9 taken at line AA;
  • Fig. 9 is a top plan view of a straw penetrating the puncturable membrane;
  • Fig. 10 is a top plan view of an alternative embodiment of the present invention.
  • Fig. 11 is a cross-sectional, front elevation view of the embodiment shown in Fig. 10 taken at line AA;
  • Fig. 12 is a top plan view of an alternative embodiment of the present invention
  • Fig. 13 is a cross-sectional, front elevation view of the embodiment shown in Fig. 12, taken at line AA;
  • Fig. 14 is a top plan view of an alternative embodiment of the present invention.
  • Fig. 15 is a cross-sectional, front elevation view of the embodiment shown in Fig. 14 at line AA;
  • Fig. 16 is a top plan view of an alternative embodiment of the present invention.
  • Fig. 17 is a cross-sectional, front elevation view of the embodiment of Fig. 16 taken at line AA shown just prior to penetration by a drinking straw;
  • Fig. 18 is a detailed front elevation view of the embodiment shown in Fig. 17;
  • Fig. 18 A is a detailed, exploded view of the non-hinged corner portion of the plug shown in Fig. 18;
  • Fig. 19 is a cross-sectional, front elevation view of the invention shown in Fig. 18 after penetration by the drinking straw.
  • Fig. 1 represents a metallic beverage can end 2 and a puncturable membrane 12 associated with the present invention.
  • the beverage can end 2 typically comprises a circular end wall 4 which is interconnected on an interior portion to a central panel 6 and which is adapted for interconnection to a neck portion of a beverage container by means of double seaming or other methods commonly known in the art.
  • the puncturable membrane 12 as shown in Fig.
  • Fig. 1 is positioned in substantially a central portion of the central panel 6, but alternatively may be positioned proximate to the circular end wall or in any other portion of the central panel 6 as preferred by the manufacturer or filler.
  • Fig. 1 A is a depiction of the beverage can end 2 of Fig. 1 , but further showing the puncturable membrane 12 in an open position.
  • Fig. 2 is a top plan view of one embodiment of the puncturable membrane 12, while Fig. 3 is a cross-sectional front elevation view of the embodiment shown in Fig. 2 taken at line AA.
  • the puncturable membrane 12 is generally comprised of an upper ring 18 and a lower ring 16 which are operably interconnected to the central panel 6 of the beverage can end 2 proximate to a central panel aperture 8.
  • a central portion of the lower ring 16 may additionally include one or more score lines 14 which are used to allow shearing and penetration of the puncturable membrane 12 with a typical drinking straw 20 (not shown).
  • Fig. 1 is a top plan view of one embodiment of the puncturable membrane 12
  • Fig. 3 is a cross-sectional front elevation view of the embodiment shown in Fig. 2 taken at line AA.
  • the puncturable membrane 12 is generally comprised of an upper ring 18 and a lower ring 16 which are operably interconnected to the central panel 6 of the beverage can end 2 proximate to a central
  • the puncturable membrane 12 in this embodiment of the present invention is concave with respect to the beverage can end closure, although the puncturable membrane 12 may additionally be flat, convex, or any other geometric configuration. Further, the puncturable membrane 12 may be formed in the shape and color of an object such as an orange, apple, etc. to identify the beverage in the container.
  • the puncturable membrane 12 is comprised of a resilient plastic, rubber, polymer or other material such as a multi layer laminate which is capable of retaining internal pressures of between about 80 and 105 psi and has good gas barrier properties, yet can be punctured with a tip of a typical drinking straw.
  • the puncturable membrane may also have the capability to function with a vacuum product such as a hot fluid juice beverage.
  • the material is preferably comprised of a material which will not scalp into the beverage to effect the taste or color after extended periods of storage.
  • any adhesive or a sealant material 38 such as a heat seal coating or hot melt adhesive or spin welding to an appropriate coated surface may be used to sufficiently interconnect the puncturable membrane 12 to the central panel 6.
  • the puncturable membrane 12 may be interconnected to the central panel aperture 8 purely by means of friction, and which does not require any type of adhesive or bonding for interconnection to the central panel 6.
  • Fig. 4 is a top plan view of the puncturable membrane 12
  • Fig. 5 is a cross-sectional front elevation view of the embodiment shown in Fig. 4 taken along lines AA.
  • the puncturable membrane 12 has a central portion comprised of an upper cap 22 which extends in a substantially linear direction between the central panel 6.
  • the upper cap 22 may additionally include one or more score lines 14 which are used for selective penetration into the puncturable membrane 12 with a drinking straw 20.
  • a top plan view and a cross-sectional front elevation view of an alternative embodiment is provided herein. More specifically, the affects of a positive internal pressure and a negative internal pressure which creates a vacuum are shown in Fig. 7 and depicts the flexure of the upper cap 22 as pressure is applied either internally or externally to the beverage can end 2. This particular feature is important as a tamper proof indicator for the consumer. More specifically, when beverage products or pasteurized goods are stored in the container, a vacuum may be created showing a negative pressure and would provide an indicator to a consumer that the beverage container has not been contaminated. Likewise, a positive pressure may be used to indicate a positive pressure in the container and could be used to indicate that the beverage container has not been penetrated or inadvertently contaminated.
  • Fig. 8 is a front cross-sectional elevation view of one embodiment of the present invention and which identifies a beverage can body 28 which is double seamed to the circular end wall 4 of a beverage can end 2, and taken along lines AA in Fig. 9.
  • This drawing further identifies the penetration of a drinking straw 20 as it is inserted through the puncturable membrane 12.
  • Fig. 9 is a cross-sectional, top perspective view of the embodiment shown in Fig. 8, and which further identifies the drinking straw 20 penetrating the puncturable membrane 12 and further identifying a vent area 10 which permits easy withdrawal of the beverage in the beverage can body 28.
  • Fig. 10 is a top plan view of an alternative embodiment of the present invention while Fig. 1 1 is a front cross-sectional elevation view of the invention shown in Fig. 10 taken at line AA.
  • This drawing further identifies the positioning of the puncturable membrane 12 in the central panel 6 and the orientation of one or more score lines 14 which are positioned in the puncturable membrane 12 to allow the penetration of a drinking straw 20.
  • the puncturable membrane 12 has a substantially convex shape with respect to the central panel 6, and thus has an upwardly projecting profile.
  • Fig. 1 1 further depicts that the puncturable membrane 12 may be positioned below the upper cap 22.
  • Fig. 12 is a top plan view of another embodiment of the present invention
  • Fig. 13 is a front elevation view of the puncturable membrane 12 shown therein.
  • the puncturable membrane 12 comprises a lower ring portion 16 which fits below the central panel (6) (not shown) of the beverage can end 2, and which has an upper cap portion 22 positioned above the central panel 6 to retain the puncturable membrane 12 in a sealed position on a central panel aperture 8 of the beverage can end closure 2.
  • the lower ring 16 has an outer diameter which is less than the outer diameter of the upper cap 22, although the diameter of the upper cap 22 and the lower ring 16 are greater than the central panel aperture 8, (not shown).
  • Fig. 15 identifies that the puncturable membrane of the present invention has a lower ring 16 with an exterior diameter which is greater than the external diameter of the upper cap 22. Additional detail is provided with regard to the dimensions of the puncturable membrane 12 and the score profile 14 , as well as the radius of curvature of the puncturable membrane 12 and the lower ring portion 16 below the cap which engages the central panel 6.
  • FIG. 16 is a top plan view while Fig. 17 is a cross-sectional front elevation view of the embodiment shown in Fig. 16 taken along line A A.
  • Fig. 17 further identifies the positioning of a drinking straw 20 prior to penetrating the puncturable membrane 12 along the score lines 14.
  • the lower ring 16 has an external diameter just slightly larger than the central panel aperture 8
  • the upper cap 22 has an external diameter which is larger than the external diameter of the lower ring 16.
  • the application of an adhesive or other material to interconnect the central panel 6 to a lower surface of the upper cap 22 is also shown, as well as an internal sidewall 24 which effectively interconnects the lower ring 16 to the upper cap 22.
  • FIG. 18 is a cross-sectional, front elevation view of a beverage end closure 2 with a puncturable membrane 12 and a sealing plug 34 sealingly interconnected to the central panel 6.
  • the upper cap 22 is interconnected to a central panel 6 with a sealing material 38 such as an adhesive, spin welding, thermal welding, ultrasonic welding or other means commonly known in the art. As shown, the upper cap 22 extends beyond the diameter of the central panel aperture 8 to provide a sufficient seal and prevent leaking.
  • a sealing material 38 such as an adhesive, spin welding, thermal welding, ultrasonic welding or other means commonly known in the art. As shown, the upper cap 22 extends beyond the diameter of the central panel aperture 8 to provide a sufficient seal and prevent leaking.
  • a sealing plug 34 is provided on a lower portion of the upper cap 22, and is hingedly connected at the hinge area 30.
  • a tapered lip 32 is provided which engages a back taper 36 of the lower ring 16, which sealingly engages the lower ring 16 portion to the sealing plug 34.
  • a puncturable membrane 12 begins to tear along one or more score lines 14. Once the score lines are torn, the downward force from the drinking straw begins acting on an upper portion of the sealing plug 34, which allows rotation at the hinge area 30. Initially, a minimum amount of finger pressure is believed to be required to disengage the tapered lip 32 of the sealing plug 34 from the back taper 36 of the sealing cap lower ring 16. Additional detail of the fit showing the tapered lip 32 and back taper 36 may be seen in Fig. 18A.
  • the sealing plug 34 is free to rotate about the hinge area 30 to allow complete penetration of the drinking straw 20 as shown in Fig. 19.
  • the sealing plug 34 preferably rotates back to the original position shown in Fig. 18, and thus substantially prevents spillage when a beverage product is still present in the beverage can body 28.

Landscapes

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

Abstract

L'invention concerne une fermeture (2) d'extrémité de canette métallique de boisson, conçue, dans un mode de réalisation, pour recevoir une paille (20) à travers une membrane perforable (12); et qui met en oeuvre dans un autre mode de réalisation un mécanisme de fermeture articulé destiné à fournir un accès à une boisson stockée dans un récipient (28) auquel est interconnecté ledit mécanisme.
EP03726139A 2002-03-29 2003-03-28 Extremite de canette de boisson presentant une extremite d'ouverture pour une paille Withdrawn EP1499532A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36876202P 2002-03-29 2002-03-29
US368762P 2002-03-29
PCT/US2003/009539 WO2003082687A1 (fr) 2002-03-29 2003-03-28 Extremite de canette de boisson presentant une extremite d'ouverture pour une paille

Publications (1)

Publication Number Publication Date
EP1499532A1 true EP1499532A1 (fr) 2005-01-26

Family

ID=28675535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03726139A Withdrawn EP1499532A1 (fr) 2002-03-29 2003-03-28 Extremite de canette de boisson presentant une extremite d'ouverture pour une paille

Country Status (4)

Country Link
US (1) US20030213803A1 (fr)
EP (1) EP1499532A1 (fr)
AU (1) AU2003228390A1 (fr)
WO (1) WO2003082687A1 (fr)

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WO2003082687A1 (fr) 2003-10-09
AU2003228390A1 (en) 2003-10-13

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