AU2008339122B2 - Improvements in Containers - Google Patents
Improvements in Containers Download PDFInfo
- Publication number
- AU2008339122B2 AU2008339122B2 AU2008339122A AU2008339122A AU2008339122B2 AU 2008339122 B2 AU2008339122 B2 AU 2008339122B2 AU 2008339122 A AU2008339122 A AU 2008339122A AU 2008339122 A AU2008339122 A AU 2008339122A AU 2008339122 B2 AU2008339122 B2 AU 2008339122B2
- Authority
- AU
- Australia
- Prior art keywords
- container
- breachable portion
- breachable
- lid
- tab
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 15
- 235000014214 soft drink Nutrition 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000019985 fermented beverage Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 235000015040 sparkling wine Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- B65D2517/0091—Means for venting upon initial opening
- B65D2517/0092—Means for venting upon initial opening formed as a partial score line located close to the tab connection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The invention relates to a sealed container for containing a pressurised fluid, the container containing two breachable portions, the first for allowing the fluid inside the container to be poured and the second breachable portion distinct from the first breachable portion capable of being breached to allow at least partial depressurisation of the container. The invention also relates to a method of opening the containers described above where the container is initially breached at a second breachable portion to at least partially depressurise the container before breaching the first breachable portion to permit passage of the container contents. The invention has a number of advantages including the provision of a container capable of a controlled depressurisation before opening the first breachable portion and therefore ameliorate the risk of rapid depressurisation and egression of the container contents out of the main breachable portion.
Description
WO 2009/078738 PCT/NZ2008/000330 IMPROVEMENTS IN CONTAINERS TECHNICAL FIELD The present invention relates to improvements in containers. In particular, the present invention relates to an improved container and method of 5 opening for equalising pressure before accessing the contents. BACKGROUND ART To aid clarity and to avoid prolixity the present invention will be described herein with respect to containers in the form of soft-drink cans or the like for which the present application has particular application. However, it should be appreciated that the 10 present invention may also relate to other sealed containers having pressurised contents for which rapid and/or violent depressurisation is undesirable. Soft-drinks and other canned beverages containing carbonated fluid provide the quintessential bubbles which appeal to many people. In order to create such carbonated fluid, carbon dioxide is dissolved under pressure in the fluid before being 15 sealed inside an aluminium can, plastic or glass bottle or other sealed container. When the container is opened, the carbon dioxide is allowed to expand and forms as bubbles in the fluid. Agitation of the container before opening leads to nucleation of the gas in the fluid. This agitation creates regions of fluid at different pressure and diffuses the gas 20 molecules through the fluid. The molecules thus collect together during the diffusion to form clusters of gas which expand into bubbles when the container is opened and the fluid is depressurised. Sufficient agitation and rapid depressurisation can also lead to egression of fluid as frothy foam and/or spray when the container is opened. 1 WO 2009/078738 PCT/NZ2008/000330 There is not only a fluid loss during opening but also the inconvenience of having uncontrolled fluid expulsion. To alleviate these problems the container may be rested and the fluid left to return to equilibrium over an extended period of time, or alternatively, in the case of bottles having screw-caps, the cap may be opened slightly 5 to reduce the rate of depressurisation until the pressure has equalised with the external environment. However, the latter method cannot be used for cans and many other sealed containers. For example, cans typically have a pull-tab used to breach a scored region of the can lid. The only means of reducing the depressurisation rate for such cans is to 10 breach only a small portion of the scoring which thus requires careful manipulation of the pull-tab by the user. This manipulation may be beyond the skill or dexterity of many people and thus there is a need for an improved method. Similar problems are encountered with beer, sparkling wine and other fermented beverages which contain gas dissolved in a fluid. 15 It is an object of the present invention to address the foregoing problems or at least to provide the public with a useful choice. All references, including any patents or patent applications cited in this specification are hereby incorporated by reference. No admission is made that any reference constitutes prior art. The discussion of the references states what their authors 20 assert, and the applicants reserve the right to challenge the accuracy and pertinency of the cited documents. It will be clearly understood that, although a number of prior art publications are referred to herein; this reference does not constitute an admission that any of these documents form part of the common general knowledge in the art, in New Zealand or in any other country. 2 WO 2009/078738 PCT/NZ2008/000330 It is acknowledged that the term 'comprise' may, under varying jurisdictions, be attributed with either an exclusive or an inclusive meaning. For the purpose of this specification, and unless otherwise noted, the term 'comprise' shall have an inclusive meaning - i.e. that it will be taken to mean an inclusion of not only the listed 5 components it directly references, but also other non-specified components or elements. This rationale will also be used when the term 'comprised' or 'comprising' is used in relation to one or more steps in a method or process. Further aspects and advantages of the present invention will become apparent from the ensuing description which is given by way of example only. 10 DISCLOSURE OF INVENTION According to a first aspect of the present invention there is provided a sealed container for containing a pressurised fluid, the container including: - a first breachable portion capable of being breached to permit passage of the container contents therethrough; 15 - an opening member capable of impinging on the first breachable portion to breach same, and characterised in the inclusion of a second breachable portion distinct from said first breachable portion, the second breachable portion capable of being breached to allow at least partial depressurisation of the container. 20 According to one aspect of the present invention at least one said breachable portion is irreversibly breachable. Preferably both said breachable portions are breachable by said opening member. 3 WO 2009/078738 PCT/NZ2008/000330 Preferably breaching of either the first or second breachable portions permits complete depressurisation of the container. As referred to herein, the term "breachable portion" refers to any frangible or weakened portion of the container (or a lid of the container) that is capable of being 5 ruptured, broken or otherwise breached in order to provide an opening to permit passage of the container contents. Preferably the container is an aluminium can. Preferably the container includes: - a lid having the first and second breachable portions; 10 - the opening member attached to the lid and having a first end for impinging on the first breachable portion to breach same, and characterised in that said opening member includes a protrusion capable of impinging on and breaching the second breachable portion to equalise pressure between the container contents and the external environment. 15 Preferably at least one said breachable portion is formed by scoring the container lid about at least part of a region defining the, or each, breachable portion. Pressure of the opening member on the region bound by the scoring may thus breach the breachable portion to provide an opening to the container contents. It is preferable that a portion of the boundary is un-scored to prevent the entire 20 breachable portion of lid from being detached, and passing into the container. A detachable breachable portion may contaminate the container contents and/or interfere with the user during drinking from the container. 4.
WO 2009/078738 PCT/NZ2008/000330 In another embodiment at least one said breachable portion is formed from a relatively thinner portion of material than the surrounding lid. In yet another embodiment at least one said breachable portion is formed from a relatively weaker portion of material than the surrounding lid. 5 Preferably the second breachable portion is substantially rectilinear. In one preferred embodiment the second breachable portion includes a perimeter comprising two opposing sides and a curved end connecting the two opposing sides. Preferably the second breachable portion has a smaller surface area than the first breachable portion. 10 Preferably the second breachable portion is less than one fifth of the surface area of the first breachable portion. Preferably the area of the second breachable portion is less than approximately 2.4x10- 5
M
2 Preferably the second breachable portion is substantially rectilinear. 15 Preferably the opening member is a 'pull-tab' as utilised on known soft-drink cans. According to another aspect of the present invention there is provided a pull-tab for attachment to a container substantially as hereinbefore described, the pull-tab including: - a first end for impinging on the first breachable portion to breach same, 20 and 5 WO 2009/078738 PCT/NZ2008/000330 characterised in that said pull-tab includes a protrusion capable of impinging on and breaching the second breachable portion to equalise pressure between the container contents and the external environment. Preferably the protrusion is formed integrally with the pull-tab. The protrusion may 5 thus be formed during the moulding and folding process of typical pull-tabs alleviating the need for retrofitting of additional members. According to another aspect of the present invention there is provided a container lid for a container substantially as hereinbefore described, the container lid including: - the first and second breachable portions; 10 - the opening member having a first end for impinging on the first breachable portion to breach same, and characterised in that said opening member includes a protrusion capable of impinging on and breaching the second breachable portion on the container lid. According to another aspect of the present invention there is provided a method of 15 opening a container as claimed in any one of the previous claims, said method including the steps of: - breaching the second breachable portion to at least partially depressurise the container, - breaching the first breachable portion to permit passage of the container 20 contents. The present invention may thus provide significant advantages over the prior art, including provision of a container capable of a controlled depressurisation before opening the first breachable portion and thereby ameliorate the risk of rapid 6 depressurisation and egression of the container contents out of the main breachable portion. BRIEF DESCRIPTION OF DRAWINGS Further aspects and advantages of the present invention will become apparent from 5 the following description which is given by way of example only and with reference to the accompanying drawings in which: Figure 1 Shows a side perspective view of a container according to one preferred embodiment of the present invention. Figure 2 Shows a side perspective view of the container of figure 1 with the 10 second breachable portion breached. BEST MODES FOR CARRYING OUT THE INVENTION Figures 1 and 2 show a container according to one preferred embodiment in the form of an aluminium soft drink can as generally indicated by arrow 1. It will be readily appreciated by one skilled in the art that numerous embodiments are 15 possible and that the example of an aluminium soft drink can is purely exemplary and in no way limiting. The soft drink can (1) is generally cylindrical and has a lid (2) with first and second breachable portions (3, 4) formed by scoring a region of the can lid (2) along peripheral boundaries (5, 6) around the breachable portions (3, 4). The scoring (5, 6) 20 provides a weakened region which will rupture when sufficient pressure is placed on each breachable portion (3, 4). The first breachable portion (3) is significantly larger than the second breachable portion (4) to allow a user to pour the contents of the can (1). The second breachable 7 WO 2009/078738 PCT/NZ2008/000330 portion (4) is smaller to allow depressurisation without significant egression of the can (1) contents. The second breachable portion (4) includes two scored sides (6), a scored curved end (not shown) and one un-scored side (7) which, when the second breachable portion 5 (4) is breached, acts as a hinge to retain the breachable portion (4) of lid (2) and prevents the breached portion (4') from falling into the can (1). The exemplary can (1) shown in figures 1 and 2 is sized such that the two scored sides (6) are approximately 6.5mm in length and separated by the un-scored side of length approximately 3.8mm, although it will be appreciated the dimensions of the 10 breachable portions (3, 4) may be adapted to suit the particular container. A pull-tab (8) is riveted to the lid (2) with a rivet (9) between the two breachable portions (3, 4) and includes a first end (8a) adapted to impinge on and breach the first breachable portion (3) and a second end (8b) having a protrusion (10) which is adapted to breach the second breachable portion (4) when pushed against the 15 second breachable portion (4), as is shown in figure 2. The protrusion (10) is formed during the manufacture of the pull-tab (8) by including additional portions of aluminium on the tab (8) when cast in a die. The additional portions may then be folded together to form the protrusion (10). In the example shown in figures 1 and 2, the protrusion (10) extends approximately 4mm from the 20 pull-tab second end (8b) and is approximately 3mm wide at its widest point. The protrusion (10) is formed on the innermost side of the second end (8b) so that the outer side may still be gripped by a user when pulling upwards to open the first breachable portion (3). 8 WO 2009/078738 PCT/NZ2008/000330 To open the can (1), the second end (8b) of the pull-tab (8) is pressed onto the second breachable portion (4) to breach same and thereby allow depressurisation of the can (1). The pull-tab (8) is then pulled away from the second breachable portion (4) to force the first end (8a) into contact with the first breachable portion (3) to breach 5 same. Thus, by providing a second breachable portion (4) which is relatively small, the can (1) may be depressurised at a controlled slower rate than breaching the first breachable portion (3). In contrast, existing soft drink cans only have a 'first breachable portion' which when opened can lead to rapid depressurisation of the can 10 and therefore rapid egression of the contents i.e. a shaken can will often froth and spill drink when opened. Aspects of the present invention have been described by way of example only and it should be appreciated that modifications and additions may be made thereto without departing from the scope thereof. 9
Claims (16)
1. A container including: - a lid having a first and second breachable portion; - said first breachable portion capable of being breached to permit passage of the container contents therethrough; - said second breachable portion separate to the first, the second breachable portion capable of being breached to allow at least partial depressurisation of the container, - a single piece opening member attached to said lid so as to form a lever having a first end for impinging on the first breachable portion to breach same, and a second end of said single piece opening member which includes a protrusion configured to, upon a downward application of force, impinge on and breach the second breachable portion on the container lid to equalise pressure between the container contents and the external environment.
2. A container as claimed in claim 1, wherein the container is an aluminium can.
3. A container as claimed in claim 1 or claim 2, wherein at least one said breachable portion is formed by scoring the container lid about a region defining the, or each, breachable portion.
4. A container as claimed in any one of the previous claims, wherein at least one said breachable portion is formed from a relatively thinner portion of material than the surrounding lid.
5. A container as claimed in any one of the previous claims, wherein at least one said breachable portion is formed from a relatively weaker portion of material than the surrounding lid.
6. A container as claimed in any one of the previous claims, wherein the second breachable portion is substantially rectilinear.
7. A container as claimed in any one of the previous claims, wherein the second breachable portion is substantially smaller than the first breachable portion.
8. A container as claimed in claim 9, wherein the second breachable portion is less than one fifth of the size of the first breachable portion.
9. A container as claimed in any one of the previous claims, wherein the area of the second breachable portion is less than approximately 1.6x1 0~5 M 2 .
10. A container as claimed in any one of the previous claims, wherein the second breachable portion is substantially rectilinear.
11. A container as claimed in any one of the previous claims, wherein the opening member is a 'pull-tab'.
12. A single piece pull-tab for attachment to a container having a first breachable portion and a second breachable portion, the single piece pull-tab including: - an attachment point for attaching the pull-tab to the container so that when the pull tab is connected to the container it functions as a lever; - a first end for impinging on the first breachable portion to breach same, and a second end of said single piece pull-tab includes a protrusion configured to, upon a downward application of force, impinge on and breach the second breachable portion on the container to equalise pressure between the container contents and the external environment.
13. A container lid for a container including: - a first and a second breachable portion; - a single piece opening member attached to said lid so as to form a lever and having a first end for impinging on the first breachable portion to breach same, and a second end of the single piece opening member which includes a protrusion configured to, upon a downward application of force, impinge on and breach the second breachable portion on the container lid to equalise pressure between the container contents and the external environment.
14. A method of opening a container as claimed in any one of the previous claims, said method including the steps of: - breaching the second breachable portion to at least partially depressurise the container, - breaching the first breachable portion to permit passage of the container contents.
15. A container lid substantially as hereinbefore described and with respect to the accompanying representations.
16. A pull-tab substantially as hereinbefore described and with reference to the accompanying representations.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ561599A NZ561599A (en) | 2007-12-14 | 2007-12-14 | Improvements in pull tab containers |
NZ561599 | 2007-12-14 | ||
PCT/NZ2008/000330 WO2009078738A1 (en) | 2007-12-14 | 2008-12-12 | Container opening for equalising pressure before accessing contents. |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2008339122A1 AU2008339122A1 (en) | 2009-06-25 |
AU2008339122B2 true AU2008339122B2 (en) | 2013-07-18 |
Family
ID=40599581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2008339122A Ceased AU2008339122B2 (en) | 2007-12-14 | 2008-12-12 | Improvements in Containers |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100294771A1 (en) |
AU (1) | AU2008339122B2 (en) |
NZ (1) | NZ561599A (en) |
WO (1) | WO2009078738A1 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8397935B2 (en) | 2009-09-10 | 2013-03-19 | Arthur Joseph Emanuele, III | Vent opening mechanism |
US8678221B2 (en) | 2010-04-28 | 2014-03-25 | Crown Packaging Technology, Inc. | Beverage container lid with mouth opening and separate push in vent |
US10017295B2 (en) | 2010-08-06 | 2018-07-10 | Ball Corporation | Container end closure with optional secondary vent opening |
US8567158B2 (en) | 2010-08-06 | 2013-10-29 | Ball Corporation | Container end closure with optional secondary vent opening |
USD691039S1 (en) | 2011-10-27 | 2013-10-08 | Ball Corporation | Vented container end closure |
PL2773572T3 (en) | 2011-11-04 | 2020-03-31 | Ball Corporation | Vented metallic container end closure |
ES2403165B1 (en) * | 2011-11-08 | 2014-06-17 | Oscar LORENZANA IGLESIAS | OPENING DEVICE FOR DRINK CAN |
EP2612822A1 (en) * | 2012-01-03 | 2013-07-10 | Anheuser-Busch InBev S.A. | Can comprising a first, dispense opening and second, vent opening and a single pull tab |
EP2612823A1 (en) | 2012-01-03 | 2013-07-10 | Anheuser-Busch InBev S.A. | Can comprising a maxi-dispense opening and a vent opening |
EP2612821A1 (en) | 2012-01-03 | 2013-07-10 | Anheuser-Busch InBev S.A. | Can comprising a first, dispense opening and second, vent opening |
JP2015526353A (en) * | 2012-08-24 | 2015-09-10 | ストール マシーナリ カンパニー, エルエルシーStolle Machinery Company, LLC | Easy spout |
US8893913B2 (en) * | 2012-08-24 | 2014-11-25 | Stolle Machinery Company, Llc | Rotating tab |
US9296529B2 (en) * | 2012-09-11 | 2016-03-29 | Lalkrushna C. MALAVIYA | Beverage canister top |
USD715144S1 (en) | 2012-11-13 | 2014-10-14 | Ball Corporation | Vented container end closure |
USD715647S1 (en) | 2012-11-28 | 2014-10-21 | Ball Corporation | Vented end closure |
US9181007B2 (en) | 2013-03-12 | 2015-11-10 | Rexam Beverage Can Company | Beverage can end with vent port |
USD731887S1 (en) | 2013-03-14 | 2015-06-16 | Crown Packaging Technology, Inc. | Vented beverage can end |
US10246229B2 (en) | 2013-03-14 | 2019-04-02 | Crown Packaging Technology, Inc. | Vented beverage can and can end |
US9403628B2 (en) | 2013-03-14 | 2016-08-02 | Crown Packaging Technology, Inc. | Vented beverage can and can end |
WO2014149768A1 (en) | 2013-03-15 | 2014-09-25 | Ball Corporation | End closure with a ring pull actuated secondary vent |
JP6140594B2 (en) * | 2013-11-29 | 2017-05-31 | 株式会社吉野工業所 | Cup container with lid |
EP3174807A4 (en) * | 2014-07-30 | 2018-03-21 | Ball Corporation | Vented container end closure |
EP3183181A4 (en) | 2014-08-19 | 2018-03-28 | Ball Corporation | Metal end closure with an extended score which is opened with a secondary tool |
CN105564774B (en) * | 2016-01-21 | 2017-11-03 | 义乌市易开盖实业公司 | Beer bottle easy-open end |
ES2852673A1 (en) * | 2020-03-10 | 2021-09-14 | Caselles Genoveva Serra | Profiled rail plate with slide opening and closing device for containers (Machine-translation by Google Translate, not legally binding) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10245032A (en) * | 1997-03-06 | 1998-09-14 | Katsumasa Koshimura | Can lid |
JP2004359339A (en) * | 2003-06-04 | 2004-12-24 | Ryoji Ogawa | Air vent of aluminum can |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3251515A (en) * | 1964-06-10 | 1966-05-17 | Continental Can Co | Container closure |
US3307737A (en) * | 1964-12-11 | 1967-03-07 | Harvey Aluminum Inc | Attachment of an opener to the wall of a can |
GB1371934A (en) * | 1972-01-12 | 1974-10-30 | Campbell Soup Co | Can end with removable tab closure |
US4003493A (en) * | 1975-05-27 | 1977-01-18 | Wells Robert A | Easy-open container with nondetachable opening member |
US4872597A (en) * | 1988-10-13 | 1989-10-10 | Hisao Hanafusa | Beverage container with dual dispensing tabs |
US5285919A (en) * | 1992-12-30 | 1994-02-15 | Donald Recchia | Beverage container with air access for direct drinking |
US5397014A (en) * | 1993-12-22 | 1995-03-14 | Aydt; Robert | Dual aperture retained tab |
DE59605318D1 (en) * | 1995-09-26 | 2000-06-29 | Schmalbach Lubeca | Tear-off lid with a surprising tear-open area |
US5713481A (en) * | 1996-05-06 | 1998-02-03 | Aluminum Company Of America | Full panel pull out can end with vent means |
US5695085A (en) * | 1996-10-11 | 1997-12-09 | Hadener; Albert K. | Beverage can with an opener |
US6131763A (en) * | 1999-07-19 | 2000-10-17 | Stanish; Walt | Beverage container and dispenser apparatus |
-
2007
- 2007-12-14 NZ NZ561599A patent/NZ561599A/en not_active IP Right Cessation
-
2008
- 2008-12-12 AU AU2008339122A patent/AU2008339122B2/en not_active Ceased
- 2008-12-12 WO PCT/NZ2008/000330 patent/WO2009078738A1/en active Application Filing
-
2010
- 2010-03-17 US US12/747,989 patent/US20100294771A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10245032A (en) * | 1997-03-06 | 1998-09-14 | Katsumasa Koshimura | Can lid |
JP2004359339A (en) * | 2003-06-04 | 2004-12-24 | Ryoji Ogawa | Air vent of aluminum can |
Also Published As
Publication number | Publication date |
---|---|
US20100294771A1 (en) | 2010-11-25 |
NZ561599A (en) | 2009-01-31 |
AU2008339122A1 (en) | 2009-06-25 |
WO2009078738A1 (en) | 2009-06-25 |
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