WO2004043801A1 - Pull tab with insect guard for drinks can - Google Patents

Pull tab with insect guard for drinks can Download PDF

Info

Publication number
WO2004043801A1
WO2004043801A1 PCT/GB2003/004896 GB0304896W WO2004043801A1 WO 2004043801 A1 WO2004043801 A1 WO 2004043801A1 GB 0304896 W GB0304896 W GB 0304896W WO 2004043801 A1 WO2004043801 A1 WO 2004043801A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
ring pull
outlet
opening
over
Prior art date
Application number
PCT/GB2003/004896
Other languages
French (fr)
Inventor
Virginia Poole
Original Assignee
Buzzoff Guard 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
Priority claimed from GB0226625A external-priority patent/GB2395183A/en
Application filed by Buzzoff Guard Limited filed Critical Buzzoff Guard Limited
Priority to AU2003283561A priority Critical patent/AU2003283561A1/en
Publication of WO2004043801A1 publication Critical patent/WO2004043801A1/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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B65D2517/0014—Action for opening container pivot tab and push-down tear panel
    • 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
    • B65D2517/0022—Means for preventing insects from entering container
    • B65D2517/0023—Means for preventing insects from entering container formed as part of the tab and moved into position
    • 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
    • B65D2517/0022—Means for preventing insects from entering container
    • B65D2517/0025—Means for preventing insects from entering container connected to the rivet and rotated into position, but formed separately from the tab

Definitions

  • This invention relates to a container having a guard, and particularly although not exclusively relates to a modified ring pull for a beverage can which prevents the ingress of wasps into the can.
  • Beverage cans with ring pulls are extremely widely used throughout the world. Certain insects are attracted to sweet beverages and can get into unattended beverage cans, so that the insect can be swallowed when a person drinks from the can. This experience is always extremely distressing, but if the insect stings, the incident can become life-threatening. The insect which is responsible for the largest number of serious incidents in Europe is the European wasp (Vespula Germanica) .
  • a container having an insect guard comprising a ring pull with an opening, the insect guard being movable over an outlet of the container, the opening being sized to prevent the ingress of insects into the outlet whilst enabling the contents of the container to be poured out .
  • the opening comprises a slot formed in the ring pull.
  • the slot is arcuate.
  • the slot is elongate and is longer than it is wide.
  • the width of the slot is no greater than 3.5 mm.
  • the ring pull is moveable from a first position, in which the container can be opened to a second position over the said outlet.
  • the opening comprises a recess which may be formed in an edge of the ring pull.
  • the said edge is a distal or free edge of the ring pull.
  • a pouring opening is defined between the distal edge of the ring pull and the outlet in the container.
  • the ring pull is adapted to engage in the outlet of the container or to engage the can adjacent the outlet.
  • the ring pull is provided with a tang which engages in the outlet when the ring pull has been moved over the outlet.
  • the ring pull is provided with a pair of depending tangs, which tangs may engage opposite sides of the outlet.
  • the tang or tangs are provided with a circumferential recess into which a rim of the outlet seats, when the ring pull is moved over the outlet.
  • the ring pull must be moved towards the outlet in order to seat the rim of the outlet into the recess or recesses. In this embodiment, the ring pull "snaps" into its locked position over the outlet.
  • a container having a ring pull which can be positioned over an outlet of the container, to function as a guard to prevent the ingress of foreign objects into the container, whilst enabling the contents of the container to be poured out, the ring pull being adapted to engage in the outlet of the container or to engage the can adjacent the outlet.
  • the said foreign objects may comprise insects, drug tablets, or other objects which present a health risk.
  • Figure 1 is a top view of a closed beverage can
  • Figure 2 shows a beverage can in the process of being opened
  • Figure 3 shows a ring pull being rotated over a fluid outlet of the can
  • Figure 4 shows a ring pull acting as an insect guard by covering the fluid outlet from the can;
  • Figure 5 is a perspective view of an alternative embodiment of ring pull/guard, provided with depending tangs;
  • Figure 6 is a view on arrow A of Figure 5.
  • ring pull encompasses any type, shape or size of ring pull and may include a ring pull having a main body and a cover which is separate from, but attached to, the main body.
  • Figures 1 and 2 show a container in the form of a beverage can 2 having a top surface 4 in which is formed a fluid outlet 6.
  • the fluid outlet 6 of the unopened can is closed by a tab of material 8 which is integrally formed with the top surface 4 of the can, and which is defined by a line of weakening 10 which runs around the periphery of the tab 8.
  • a ring pull 12 is rotatably connected to the top surface 4 by means of a rivet 14.
  • the ring pull 12 comprises a base portion 16 which is connected to the rivet 14 and a grip portion 18 which is gripped by a user when the can is opened.
  • An elongate arcuate opening 20 is formed substantially across the full width of the grip portion 18 of the ring pull 12.
  • a top edge 22 of the grip portion 18 is relieved, to form a recessed portion 24 of the ring pull 12.
  • the can 2 is opened with the ring pull 12 in the orientation illustrated in Figure 1.
  • the grip portion 18 is pulled upwardly by a user, so that the base portion 16 is pivoted down onto the tab 8, causing the line of weakening 10 to break and the tab to be pushed down into the drinks can, as illustrated in Figure 2.
  • the ring pull 12 is then pushed back against the top surface 4 of the can 2 and is rotated through 180°, into the orientation illustrated in Figure 4.
  • the grip portion 18 covers the fluid outlet 6 in the top surface 4 of the can 2.
  • the width dl of the arcuate opening 20, and the width d2 of the gap between the recessed portion 24 of the ring pull 12 and the radially outer edge of the fluid outlet 6 are set, so that insects can not enter the can when the can is left unattended.
  • dl and d2 are less than or equal to 3.5 mm.
  • Figures 5 and 6 show an alternative embodiment of ring pull 12 in which a pair of tangs 26, 28 project downwardly from an underside of the ring pull 12 on opposite sides of the grip portion 18.
  • the outer surface of each tang 26, 28 is provided with an arcuate recess 30, 32 and bevelled leading edge 34, 36.
  • the distance between the bottoms of the arcuate recesses 30, 32 is substantially identical to the width of the fluid outlet 6 in the region of the tangs 26, 28, whereas the distance between the outer surfaces of the tangs 26, 28 at their widest point would be greater than the width of the fluid outlet 6 in the region of the tangs 26, 28.
  • the precise relationship between the above mentioned dimensions can of course be adjusted, for use in any particular application, dependent on the shape of the components, and on the material from which the can, ring pull and tangs are made.
  • the ring pull 12 is provided with an arcuate opening 20 of a particular shape, and the top edge 22 of the ring pull 12 is relieved to form a recessed portion 24, any combination of openings and/or recessed portions in the ring pull 12 are contemplated, provided that the contents of the can can be drunk through the opening (s) and/or recess (es) whilst the ingress of specific foreign objects, such as insects, is prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Catching Or Destruction (AREA)

Abstract

A container (2) having a ring pull (12) with an opening (20), the ring pull (12) being moveable over an outlet (6) of the container (2), the opening (20) being sized to prevent the ingress of specific foreign objects into the outlet (6) whilst enabling the contents of the container (2) to be poured out.

Description

PULL TAB WITH INSECT GUARD FOR DRINKS CAN
This invention relates to a container having a guard, and particularly although not exclusively relates to a modified ring pull for a beverage can which prevents the ingress of wasps into the can.
BACKGROUND OF THE INVENTION
Beverage cans with ring pulls are extremely widely used throughout the world. Certain insects are attracted to sweet beverages and can get into unattended beverage cans, so that the insect can be swallowed when a person drinks from the can. This experience is always extremely distressing, but if the insect stings, the incident can become life-threatening. The insect which is responsible for the largest number of serious incidents in Europe is the European wasp (Vespula Germanica) .
STATEMENT OF INVENTION
According to a first aspect of the present invention, there is provided a container having an insect guard comprising a ring pull with an opening, the insect guard being movable over an outlet of the container, the opening being sized to prevent the ingress of insects into the outlet whilst enabling the contents of the container to be poured out .
Preferably, the opening comprises a slot formed in the ring pull. Preferably the slot is arcuate. Preferably, the slot is elongate and is longer than it is wide. Preferably, the width of the slot is no greater than 3.5 mm.
Preferably, the ring pull is moveable from a first position, in which the container can be opened to a second position over the said outlet.
Preferably, the opening comprises a recess which may be formed in an edge of the ring pull. Preferably, the said edge is a distal or free edge of the ring pull. Preferably, a pouring opening is defined between the distal edge of the ring pull and the outlet in the container. With such an arrangement the pouring characteristics of the container are not made worse by the presence of the ring pull over the outlet. Also, by providing the ring pull with a smooth edge profile, the pouring characteristics of the container may be enhanced. This is particularly advantageous if the container is intended to be drunk from directly.
Preferably, the ring pull is adapted to engage in the outlet of the container or to engage the can adjacent the outlet.
Preferably, the ring pull is provided with a tang which engages in the outlet when the ring pull has been moved over the outlet. Most preferably, the ring pull is provided with a pair of depending tangs, which tangs may engage opposite sides of the outlet.
Preferably, the tang or tangs are provided with a circumferential recess into which a rim of the outlet seats, when the ring pull is moved over the outlet. Preferably, the ring pull must be moved towards the outlet in order to seat the rim of the outlet into the recess or recesses. In this embodiment, the ring pull "snaps" into its locked position over the outlet.
According to a second aspect of the present invention, there is provided a container having a ring pull which can be positioned over an outlet of the container, to function as a guard to prevent the ingress of foreign objects into the container, whilst enabling the contents of the container to be poured out, the ring pull being adapted to engage in the outlet of the container or to engage the can adjacent the outlet.
The said foreign objects may comprise insects, drug tablets, or other objects which present a health risk.
BRIEF DESCRIPTION OF THE DRAWING
For a better understanding of the present invention and to show how it may be carried into effect, reference will now be made, by way of example, to the accompanying drawing in which:
Figure 1 is a top view of a closed beverage can;
Figure 2 shows a beverage can in the process of being opened;
Figure 3 shows a ring pull being rotated over a fluid outlet of the can;
Figure 4 shows a ring pull acting as an insect guard by covering the fluid outlet from the can; Figure 5 is a perspective view of an alternative embodiment of ring pull/guard, provided with depending tangs; and
Figure 6 is a view on arrow A of Figure 5.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT
For the avoidance of doubt, the term "ring pull" encompasses any type, shape or size of ring pull and may include a ring pull having a main body and a cover which is separate from, but attached to, the main body.
Figures 1 and 2 show a container in the form of a beverage can 2 having a top surface 4 in which is formed a fluid outlet 6. As is well known in the art, the fluid outlet 6 of the unopened can is closed by a tab of material 8 which is integrally formed with the top surface 4 of the can, and which is defined by a line of weakening 10 which runs around the periphery of the tab 8.
A ring pull 12 is rotatably connected to the top surface 4 by means of a rivet 14. The ring pull 12 comprises a base portion 16 which is connected to the rivet 14 and a grip portion 18 which is gripped by a user when the can is opened. An elongate arcuate opening 20 is formed substantially across the full width of the grip portion 18 of the ring pull 12.
Furthermore, a top edge 22 of the grip portion 18 is relieved, to form a recessed portion 24 of the ring pull 12. The can 2 is opened with the ring pull 12 in the orientation illustrated in Figure 1. The grip portion 18 is pulled upwardly by a user, so that the base portion 16 is pivoted down onto the tab 8, causing the line of weakening 10 to break and the tab to be pushed down into the drinks can, as illustrated in Figure 2.
Referring to Figure 3, the ring pull 12 is then pushed back against the top surface 4 of the can 2 and is rotated through 180°, into the orientation illustrated in Figure 4. In this orientation the grip portion 18 covers the fluid outlet 6 in the top surface 4 of the can 2. The width dl of the arcuate opening 20, and the width d2 of the gap between the recessed portion 24 of the ring pull 12 and the radially outer edge of the fluid outlet 6 are set, so that insects can not enter the can when the can is left unattended. In a preferred embodiment, intended to prevent the ingress of European wasps, dl and d2 are less than or equal to 3.5 mm.
Figures 5 and 6 show an alternative embodiment of ring pull 12 in which a pair of tangs 26, 28 project downwardly from an underside of the ring pull 12 on opposite sides of the grip portion 18. The outer surface of each tang 26, 28 is provided with an arcuate recess 30, 32 and bevelled leading edge 34, 36.
In use of the can 2, in the orientation illustrated in Figure 4 (with the ring pull 12 disposed directly over the outlet 6 from the can 2) , the bevelled leading edges 34, 36 of the tangs 26, 28 will be resting on the top surface 4 of the can adjacent the fluid outlet 6. If the ring pull 12 is then pushed downwardly, a rim of the fluid outlet 6 will ride up the bevelled leading edge 34, 36 until it springs into the arcuate recesses 30, 32. This process is facilitated by slight elastic deflection of the top surface 4 of the can, and/or by slight elastic deflection of the tangs 26,28.
Unfortunately, it is not unknown for a person to tamper with an unattended can. For example, a drug tablet may be introduced into the can without the knowledge of the user of the can. This danger is greatly reduced with the above described can, because the shape and size of the opening (s) in the ring pull prevent a tablet being introduced into the outlet 6. Furthermore, once the rim of the fluid outlet 6 is located in the arcuate recesses 30, 32, withdrawal of the tangs 26, 28 from the interior of the can is impossible, unless the ring pull 12 is levered by a tool such as a screwdriver. This would cause damage to the ring pull, so if a third party forcibly removed the ring pull 12 from the fluid outlet 6, this tampering would be evident to the user of the can.
In a preferred embodiment, the distance between the bottoms of the arcuate recesses 30, 32 is substantially identical to the width of the fluid outlet 6 in the region of the tangs 26, 28, whereas the distance between the outer surfaces of the tangs 26, 28 at their widest point would be greater than the width of the fluid outlet 6 in the region of the tangs 26, 28. The precise relationship between the above mentioned dimensions can of course be adjusted, for use in any particular application, dependent on the shape of the components, and on the material from which the can, ring pull and tangs are made. Although in the preferred embodiment, the ring pull 12 is provided with an arcuate opening 20 of a particular shape, and the top edge 22 of the ring pull 12 is relieved to form a recessed portion 24, any combination of openings and/or recessed portions in the ring pull 12 are contemplated, provided that the contents of the can can be drunk through the opening (s) and/or recess (es) whilst the ingress of specific foreign objects, such as insects, is prevented.

Claims

1. A container having a ring pull with an opening, the ring pull being moveable over an outlet of the container, the opening being sized to prevent the ingress of specific foreign objects into the outlet whilst enabling the contents of the container to be poured out .
2. A container as claimed in claim 1, in which the opening comprises a slot formed in the ring pull.
3. A container as claimed in claim 2, in which the slot is arcuate.
4. A container as claimed in claim 2 or 3, in which the slot is elongate and is longer than it is wide, the width of the slot being less than or equal to 3.5 mm.
5. A container as claimed in any one of the preceding claims, in which the ring pull is moveable from a first position in which the container can be opened to a second position over the said outlet.
6. A container as claimed in any one of the preceding claims, in which the opening comprises a recess in an edge of the ring pull.
7. A container as claimed in any one of the preceding claims, in which the said foreign objects comprise insects .
8. A container as claimed in any one of the preceding claims in which means are provided to fix the ring pull permanently over the outlet of the container.
9. A container as claimed in claim 8, in which the ring pull is provided with a tang which engages in the outlet when the ring pull is over the outlet.
10. A container as claimed in claim 9, in which the ring pull is provided with a pair of depending tangs which engage opposite sides of the outlet.
11. A container having a ring pull which can be positioned permanently over an outlet of the container to function as a guard to prevent the ingress of foreign objects into the container, whilst enabling the contents of the container to be poured out.
12. A container as claimed in any one of claims 1 to 6, in which the opening comprises a pouring opening, defined between a distal edge of the ring pull and the outlet in the container.
PCT/GB2003/004896 2002-11-14 2003-11-12 Pull tab with insect guard for drinks can WO2004043801A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003283561A AU2003283561A1 (en) 2002-11-14 2003-11-12 Pull tab with insect guard for drinks can

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0226625A GB2395183A (en) 2002-11-14 2002-11-14 Ring pull having an insect guard
GB0226625.2 2002-11-14
GB0310387A GB2395184A (en) 2002-11-14 2003-05-06 Ring pull having a contaminant guard
GB0310387.6 2003-05-06

Publications (1)

Publication Number Publication Date
WO2004043801A1 true WO2004043801A1 (en) 2004-05-27

Family

ID=32299716

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2003/004896 WO2004043801A1 (en) 2002-11-14 2003-11-12 Pull tab with insect guard for drinks can

Country Status (3)

Country Link
US (1) US20040094550A1 (en)
AU (1) AU2003283561A1 (en)
WO (1) WO2004043801A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2424643A (en) * 2005-04-02 2006-10-04 Brian Paget Drinking vessel anti-spike device
US8622238B1 (en) * 2008-03-28 2014-01-07 John Kaper Rotatable pull-tab assembly
US11661233B2 (en) * 2019-06-28 2023-05-30 Florence M Vinger Reclosable can ends

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537326A (en) * 1983-12-13 1985-08-27 Morehead Clyde D Protector for drink opening
DE9102413U1 (en) * 1991-02-22 1991-05-08 Behneke, Peter, 8000 Muenchen, De
DE29504427U1 (en) * 1995-03-15 1995-06-08 Schroll Stefan Insect protection device on tin cans
US5555993A (en) * 1995-02-24 1996-09-17 Borkowski; James T. Beverage can and pivotal, screen guard opener system
DE29718341U1 (en) * 1997-10-20 1998-01-08 Schulz Friedrich Liquid container with insect protection
DE19909861A1 (en) * 1999-03-08 2000-09-14 Tomas Cechura Drinks can has ring pull designed like a sieve which can be moved over opening to prevent swallowing of any foreign bodies in can

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US5190149A (en) * 1992-03-27 1993-03-02 Krause Arthur A Side-pivoting frangible opening for container end wall
US5497896A (en) * 1994-12-12 1996-03-12 Shand; Ronnie A. Container opener with extendable member
US5617970A (en) * 1996-01-05 1997-04-08 Lee; Hae B. Protector for drink opening
US6053349A (en) * 1996-01-16 2000-04-25 Griggs, Jr.; Eugene S. Beverage can identification apparatus and method for reducing the spread of disease by limiting the chance of inadvertent drinking from an open can of another
US5647499A (en) * 1996-03-19 1997-07-15 Piazza; John Beverage can assembly with straw retention means
US5845801A (en) * 1997-12-09 1998-12-08 Heitl; Thomas L. Safety shield for pop top beverage containers
US5975327A (en) * 1998-02-26 1999-11-02 Funk; Gerald L. Covering tab for a beverage can opening
TR200003152T2 (en) * 1998-04-29 2001-06-21 Bongjeong Cantech Co., Ltd. Top cover of beverage cans combined with healthy opening order
USD426155S (en) * 1999-01-20 2000-06-06 Crown Cork & Seal Technologies Corporation Can end pull tab
DE19942827A1 (en) * 1999-08-17 2001-03-01 Mueller Sebastian Frederic Ring-pull closure for drinks can has perforated cover which fits over pouring opening once can has been opened and is held in place by rivet on ring pull
US6793087B2 (en) * 2000-08-15 2004-09-21 Effektivator Foretagens Ledningsresurs Sealing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537326A (en) * 1983-12-13 1985-08-27 Morehead Clyde D Protector for drink opening
DE9102413U1 (en) * 1991-02-22 1991-05-08 Behneke, Peter, 8000 Muenchen, De
US5555993A (en) * 1995-02-24 1996-09-17 Borkowski; James T. Beverage can and pivotal, screen guard opener system
DE29504427U1 (en) * 1995-03-15 1995-06-08 Schroll Stefan Insect protection device on tin cans
DE29718341U1 (en) * 1997-10-20 1998-01-08 Schulz Friedrich Liquid container with insect protection
DE19909861A1 (en) * 1999-03-08 2000-09-14 Tomas Cechura Drinks can has ring pull designed like a sieve which can be moved over opening to prevent swallowing of any foreign bodies in can

Also Published As

Publication number Publication date
AU2003283561A1 (en) 2004-06-03
US20040094550A1 (en) 2004-05-20

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