• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    CAN CONTAINING A LIQUID UNDERSTANDING A TOP END. The present invention relates to a liquid-containing can comprising a top end, said top end comprising: (a) a distribution area (3A) defined at said top end by a first dotted line (31A), (b) a pull tab (2A) coupled to the top end by a first rivet (4A), said pull tab (2A) being suitable for drilling into the dispensing area (3A) to open a dispensing opening (13A ) when lifting an actuator end (22A) of said pull tab out of the top end, (c) a breathing area defined at said top end by a second dotted line (d) a secondary lever (2B) coupled to the top end by a second rivet (4B), said secondary lever (2B) comprising a piercing end (21B) suitable for piercing the breathing area (3B) to open a breathing opening (13B) when lifting an end up to opposite user (22B) of said secondary lever out of the top end, characterized in that the secondary lever (3B) and the pull tab (3A) are interconnected so that the lift (...).
    公开号:BR112014016452B1
    申请号:R112014016452-5
    申请日:2012-12-21
    公开日:2020-11-17
    发明作者:Christopher Neiner
    申请人:Anheuser-Busch Inbev S.A.；
    IPC主号:
    专利说明:

    TECHNICAL FIELD
    [001] The present invention concerns the field of cans for containing a liquid. In particular, it concerns beverage cans such as beer, soft drinks, tonic water and the like, comprising a first dispensing opening and a second breathing opening, in which both openings can be opened in a single movement. BACKGROUND OF THE INVENTION
    [002] Drink cans have been on the market for several decades, having undergone a series of developments, such as the progressive passage of a "detachable pull tab" in which a dotted section of closed back is attached to a pull tab , even a type of "pressure tab", in which no element is detached from the can when opened. Since in both cases an actuating end of a tab has to be pulled from the plane formed by the upper end of the can to open a dispensing zone, such tabs are here referred to indiscriminately as "pull tabs".
    [003] It quickly became apparent that cans with a single dispensing opening cause the drink to come out in gusts, due to the difficulty of such systems balancing the pressures inside and outside the can when dispensing. It was found that by providing the top of the can with a second breathing opening, spaced from the dispensing opening, a flow of liquid out of the can was achieved much more fluidly, since the pressure inside the can could instantly adapt at ambient pressure through said breath opening. Many double can opening systems have been proposed in the art with very different opening mechanisms.
    [004] US4213538 proposes a can with a can top equipped with two dotted lines forming closed loops defining two areas to be pressed inwards with a finger or an external tool. An alternative solution is to attach a pull tab to a rivet located between two areas defined by dotted lines, so that the tab can be pushed to both sides to press a first and then a second area into the can like a saw , as disclosed in US5695085 or US5397014. In some cases, a single pull tab is first pulled upward to push the dispensing zone and then pressed down to its initial position and then further down to press the breathing zone, as in US2010 / 0018976, US2011 / 0056946, W02009 / 078738. These systems, however, have the problem that the vent can be accidentally opened if pressure is applied to the tab. To solve this problem, it was proposed not to align the first and second openings with the rivet by coupling the tab to the top of the can. In this way, after opening the dispensing opening, the pull tab must be turned on the rivet axis at the corresponding angle of deviation to face the breathing area and only then pushed down to press the breathing area inside the can as revealed in W02008 / 023983. In a first embodiment, the actuating end of a tab is first pulled upwards to open the dispensing opening, then rotated 180 ° to face the diametrically opposite breathing area, the enduring end being pulled up again to open the breathing opening in the same way as the delivery opening was opened, as in US5494184. W02010 / 046516 discloses a can comprising a main pull tab and a secondary lever, both fixed to the top of the can by a single rivet, where the secondary lever is placed in the puncture position when lifting the main pulling tab to pierce the distribution area, after which the main lever is brought to its original position, with the secondary lever taken to the puncture position in front of the breathing area, which is opened by pressing the main pull lever further down. This system prevents any accidental opening of the vent. All of these systems have in common that several movements are necessary to open the dispensing and breathing openings, which is quite inconvenient, particularly when the user has only one free hand to open the can.
    [005] Solutions have been proposed in the technique to open the distribution and breathing openings with a single movement. US3307737 discloses a single pull tab coupled to a distribution area and a breathing area, each forming a closed loop. When pulling a free end of the pull tab, the vent is first pulled from the top of the can, and after the distribution area. The drawback of this very old system is well known, as it causes waste that usually ends up in the soil and represents a environmental threat and a source of injuries. CA2280461 proposes to engage the ring end of a pull tab with a rivet with a dotted line of breath forming a closed loop. When pulling said ring end to pierce the dispensing area, the breathing area is pulled from the top of the can. This system has the disadvantage that it takes a lot of force to pull the breathing area from the top of the can without the said design having any leverage to do so. US2003 / 0098306 proposes an improvement on the previous system by providing a second lever articulated with the main pull tab at the level of the breathing area rivet, so that the main pull tab is pulled when pulling the second lever, thus providing greater coupling. W02004 / 035399 and US3326406 disclose systems in which a single pull tab is attached to the top of the can with a first rivet and a breathing area with a second rivet. In contrast to the preceding systems, here both the dispensing and breathing areas are pushed into the can by pulling up on the pull tab at a point forming a triangle with the first and second rivets forming sharp angles. Leverage is provided by the altitude of the triangle that crosses the line between the two rivets.
    [006] The present invention further provides an alternative solution for simultaneously opening a delivery and breathing opening with a single hand movement. SUMMARY OF THE INVENTION
    [007] The present invention is defined in the attached independent claims. Preferred modalities are defined in the dependent claims. In particular, the present invention relates to a can containing a liquid, comprising an upper end, said upper end comprising: a. A distribution area defined at said upper end by a first dotted line, b. A pull tab coupled to the upper end by a first rivet, said pull tab being suitable for drilling into the dispensing area to open a dispensing opening by lifting an actuating end of said pull tab out of the upper end, c. A breathing area defined at said upper end by a second dotted line, d. A secondary lever coupled to the upper end by a second rivet, said secondary lever comprising a piercing end suitable for piercing the breathing area to open a breath opening by lifting an opposite actuating end of said secondary lever out of the upper end,
    [008] Characterized in that, the secondary lever and the pull tab are interconnected in such a way that the lifting of the actuating end of the pull tab triggers the lifting of the actuating end of the secondary lever, thus causing the opening of both distribution openings and breathing in one movement.
    [009] In a preferred embodiment, the actuating end of the pull tab comprises an opening and the secondary lever penetrates said opening of the ring pull tab so that the actuating end of the secondary lever rests on top of the pull, while the punching end of said secondary lever is below the pull tab, so that when lifting the pull tab, the actuating end of the secondary lever resting on an edge of the opening of the pull tab is raised, thus pressing the perforating end of the secondary lever against the breathing area. For example, the secondary lever may be in the form of a plate extending between a first and second substantially parallel planes, with a first piercing portion comprising the piercing end and extending along said first plan, and a second actuating portion comprising the actuating end and extending substantially along said second plane, the first piercing portion comprising an orifice for receiving the second rivet.
    [010] It is preferable that the first and / or second dotted line does not form a closed loop and in which when opening the corresponding distribution and / or breathing area, it is folded inwards on a line joining two ends of said first and / or second dotted line. In an alternative embodiment, the first and / or second dotted line forms a closed loop with a first deep dotted portion and a second superficial dotted portion, and when opening the corresponding distribution and / or breathing area is folded to inside over a superficial dotted portion of the first and / or second dotted line.
    [011] In a preferred embodiment, the first and second rivets and distribution and breathing areas are all substantially aligned in a diameter of the upper end of the can, in a sequence (a) distribution area, (b) first rivet, (c) second rivet, (d) breathing area.
    [012] To further increase the flow rate of the liquid coming out of the can, the distribution area has a dimension (d) along the diameter of the upper end, passing through the first rivet greater than or equal to the radius (R) of the upper end. By deviating the position of the first rivet in relation to the center of the top of the can, more surface is released for the dispensing opening, which allows to substantially increase and smooth the flow out of the can.
    [013] A can according to the present invention is particularly suitable for containing liquids such as beer with or without alcohol or other fermented drinks, soft drinks, tonic water, juice, soup, energy drinks, soup, pre-mixed long drinks and the like. A can according to the present invention is preferably made of aluminum, an aluminum alloy or tinplate. BRIEF DESCRIPTION OF THE FIGURES
    [014] For a more complete understanding of the nature of the present invention, reference is made to the following detailed description, made in conjunction with the accompanying drawings in which:
    [015] Figure 1; shows a perspective view of the top of the can of a can according to the present invention.
    [016] Figure 2: shows a top view of the top of a can according to the present invention.
    [017] Figure 3: shows a side view of the can top of a can according to the present invention: (a) in a closed position (b) and in an open position.
    [018] Figure 4: shows (a) a top view and (b) a perspective view of the top of a can can according to another embodiment of the present invention.
    [019] Figure 5: shows (a) a top view and (b) a perspective view of the top of a can can according to yet another embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION
    [020] As can be seen in Figures 1, 2, 4 and 5, a can according to the present invention comprises an upper end similar to the traditional cans commercially available to date, with a distribution area (3A) defined in said upper end by a first dotted line (31A) and a pull tab (2A) coupled to the upper end by a first rivet (4A). The pull tab (2A) comprises a drill end (21A) overlapping the distribution area and an opposite actuator end (22A) which, when lifting from the plane of the upper end of the can, presses the drill end (21A) against the distribution, breaking the dotted line and pushing the distribution area against the can, thus opening the distribution opening. Of course, it is much more preferable that when opening the dispensing opening (13A) neither the pull tab (2A) nor the dispensing area (3A) detach from the upper end of the can. This can be achieved either by not closing the path formed by the first dotted line (31A) or by providing a portion of said line with a more superficial (i.e., less deep) dotted line than the rest of the contour. In any of these ways, when pressing the punching end (21A) of the main pull tab against the dispensing area (3A), the latter will fold over a line between the two ends of the dotted line open back or over the most superficial portion of the dotted line. The distribution component of the can is very similar to traditional cans. The essence of the present invention, however, is in the breathing area (3B) and the secondary lever (2B) for drilling and opening.
    [021] The breathing area (3B) is defined by a second dotted line (31B) and is located at the upper end of the can opposite the distribution area (3A) in relation to the first rivet (4a). The breathing area (3B) should most preferably not be separated from the upper end of the can when opening the breathing opening. As for the distribution area (3A) discussed above, the dotted line (31B) defining the breathing area (3B) must define an opening path or comprise a more superficial dotted portion, to allow the breathing area (3B ) can flex inward over said non-dotted portion or superficial dotted line. The breathing area (3B) is generally smaller in size than the distribution area (3A), since the first only needs to ensure the pressure balance during the distribution of the liquid out of the can, and a gentle depressurization when open the can. The breathing area is also preferably located near the periphery of the top end of the can, to reduce the risk of liquid flowing through the breath opening when tilting the can to distribute the liquid.
    [022] Opening the breathing opening is ensured by a secondary lever coupled to the upper end by a second rivet (4B). The first and second rivets (4A, 4B) and delivery and breathing areas (2A, 2B) are preferably substantially aligned in a diameter of the upper end of the can. The order can be as illustrated in Figure 2, in a sequence (a) distribution area (3A), (b) first rivet (4A), (c) second rivet (4B), and (d) breathing area (2B ). Alternatively, as illustrated in Figures 4 (a) and 5 (a), the first and second rivets (4A, 4B) and delivery and breathing areas (2A, 2B) can all be substantially aligned in a diameter of the upper end of the can, in a sequence (a) distribution area (3A), (b) first rivet (4A), (c) breathing area (2B), (d) second rivet (4B). The secondary lever (2B) has an actuating end (22B) and an opposite drilling end (21B) overlapping the breathing area (3B), so that when lifting the actuating end (22B) of the secondary lever (2B), its perforating end (21B) applies pressure against the breathing area (3B) capable of breaking the second dotted line (21B) to push and bend the breathing area (3B) into the can, thus opening the breathing opening (13B).
    [023] Instead of operating the pull tab (2A) to open the dispensing opening (13A) separately from the secondary lever (2B) to open the breathing opening (13B), and therefore need at least two movements to open both openings, this one proposes to interconnect the secondary lever (3B) with the pull tab (3A) so that the lifting of the actuating end (22A) of the pull tab triggers the lifting of the actuating end (22B) of the secondary lever (2B), thus causing the opening of both distribution and breathing openings (13A, 13B) in a single movement.
    [024] The interconnection of the secondary lever (2B) and the pull tab (2A) can be achieved by providing the actuating end (22A) of the pull tab (2A) with an opening - as is often present in pull tabs. single-opening cans - and slide the secondary lever (2B) through said opening so that the actuating end (22B) of the secondary lever (2B) rests on top of the pull tab (2A), while the perforating end (21B ) and second rivet (4B) of said secondary lever (2B) are positioned below the pull tab (2A). With this configuration, as shown in Figure 3 (b), lifting the actuating end (22A) of the pull tab (2A) to open the dispensing opening (13A) pushes up the actuating end (22B) of the secondary lever ( 2B) resting and sliding on an edge of the raised opening of the pull tab as it is raised. The secondary lever (2B), attached to the upper end of the can by the second rivet (4B), is thus tilted by pressing the drill end (21B) down against the breathing area (3B) until the second dotted line (31B) breaks to open the breathing opening (13B).
    [025] In a preferred embodiment of the arrangement illustrated above in Figures 2 and 5, the secondary lever (2B) is in the form of a plate extending between a first and second substantially parallel planes, with a first perforating portion comprising the drill end (21B) and extending along said first plane, and a second actuator portion comprising the actuator end (21B) and extending substantially along said second plane, the first drill portion comprising a hole for receive the second rivet (4B). The distance between the two planes is substantially equal to the distance between the upper surface of the pull tab (2A) and the surface of the upper end of the can. With this geometry, the actuating portion of the secondary lever (2B) can rest on the top of the pull tab (2A) and the perforating portion of the secondary lever (2B) can rest on the surface of the upper end of the can. In a slightly different embodiment illustrated in Figure 4, the secondary lever (2B) can comprise arms that extend transversely along the pull tab (2A).
    [026] In a preferred embodiment, the first rivet (4A) is offset from the center of the upper end of the can. In the preferred embodiment discussed above, the first and second rivets (4A, 4B) and distribution and breathing areas (2A, 2B) are preferably substantially aligned in a diameter of the upper end of the can, in a sequence (a) area (3A), (b) first rivet (4A), (c) second rivet (4B), (d) breathing area (2B), which makes it possible to increase the size of the distribution opening and place the vent closer the outer edge, which is advantageous for the flow rate, as discussed above. For example, the distribution area (2A) may have a dimension (d) along the diameter of the upper end passing through the first rivet (4A) greater than or equal to the radius (R) of the upper end.
    [027] The present invention allows a breathing opening (13B) whose opening combined with the dispensing opening (13A) can be triggered by the same single movement as has been used by generations of end consumers with traditional single opening cans. Unlike the solution proposed in CA2280461, the force required to open both openings is not much different from that required to open traditional single-opening cans because the geometry of the opening system of the present invention allows for a substantial leverage effect. For example, it is possible to open both can openings according to the present invention in a single movement with just one hand.
    [028] A can according to the present invention is particularly suitable for containing drinks. For example, alcoholic or non-alcoholic beer or other fermented drinks, such as cider, low-malt beer, sparkling wine and the like, soft drinks, tonic water, juices, energy drinks, pre-mixed long drinks a spirit drink and a soft drink, milk, condensed milk, soup, sauce and the like. The can can be made of aluminum, an aluminum alloy or tinplate.
    权利要求:
    Claims (9)
    [0001]
    1. CAN TO CONTAIN A LIQUID UNDERSTANDING A TOP END, said top end comprises: (a) a distribution area (3A) defined at said top end, (b) a pull tab (2A) coupled to the top end by a first rivet (4A), said pull tab (2A) being suitable for drilling into the dispensing area (3A) to open a dispensing opening (13A) by lifting an actuator end (22A) of said pull tab out of the upper end, (c) a breathing area (3B) defined at said upper end, (d) a secondary lever (2B) coupled to the upper end by a second rivet (4B), said secondary lever (2B) comprising an end perforator (21B) suitable for perforating the breathing area (3B) to open a breathing opening (13B) by lifting an opposite actuating end (22B) of said secondary lever out of the upper end, characterized a by the secondary lever (3B) and the pull tab (3A) are interconnected so that the lifting of the actuating end (22A) of the pulling tab triggers the lifting of the actuating end (22B) of the secondary lever (2B), causing thus opening both the delivery and breathing openings (13A, 13B) in a single movement.
    [0002]
    2. CAN according to claim 1, characterized in that the actuating end (22A) of the pull tab (2A) comprises an opening and the secondary lever (2B) penetrates said opening of the pull tab (2A) so that the actuating end (22B) of the secondary lever (2B) resting on the top of the pull tab (2A), while the drill end (21B) of said secondary lever (2B) is below the pull tab (2A), in order to that when lifting the pull tab (2A), the actuating end (22B) of the secondary lever (2B) resting on an edge of the opening of the pull tab is raised, thus pressing the punching end (21B) of the secondary lever against the area breathing (3A).
    [0003]
    3. CAN according to claim 2, characterized in that the secondary lever (2B) is in the form of a plate extending between a first and second substantially parallel planes, with a first piercing portion comprising the piercing end (21B) and extending along said first plane, and a second actuating portion comprising the actuating end (21B) and extending substantially along said second plane, the first piercing portion comprising an orifice for receiving the second rivet (4B) .
    [0004]
    4. CAN according to any one of claims 1 to 3, characterized in that it also comprises a first and / or second dotted line (31A, 31B) which does not form a closed loop and in which, when opened, the corresponding distribution area and / or breath (3A, 3B) is folded inward on a line joining two ends of said first and / or second dotted line.
    [0005]
    5. CAN, according to claim 4, characterized by the first and / or second dotted line (31A, 31B) forming a closed loop with a first deep dotted portion and a second superficial dotted portion, and in which, when opening, the corresponding distribution and / or breathing area (3A, 3B) is folded inward over a superficial dotted portion of the first and / or second dotted line.
    [0006]
    6. CAN according to any one of claims 1 to 5, characterized in that the first and / or second rivets (4A, 4B) and distribution and breathing areas (2A, 2B) are substantially aligned in a diameter of the upper end of the can , in a sequence (a) distribution area (3A), (b) first rivet (4A), (c) second rivet (4B), (d) breathing area (2B) or alternatively, in a sequence (a ) distribution area (3A), (b) first rivet (4A), (c) breathing area (2B), (d) second rivet (4B).
    [0007]
    CAN according to any one of claims 1 to 6, characterized in that the distribution area (2A) has a dimension (d) along the diameter of the upper end passing through the first rivet (4A) greater than or equal to the radius (R ) of the upper end.
    [0008]
    8. CAN according to any one of claims 1 to 7, characterized in that the liquid contained therein is a beverage selected from the group of alcoholic or non-alcoholic beer or other fermented drinks, soft drinks, tonic water, juice, energy drinks, soup, long drink.
    [0009]
    9. CAN according to any one of claims 1 to 8, characterized in that it is made of aluminum, an aluminum alloy or tinplate.
    类似技术:
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    同族专利:
    公开号 | 公开日
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    US20140374419A1|2014-12-25|
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    WO2013124019A3|2013-10-17|
    RU2604026C2|2016-12-10|
    BR112014016452A2|2017-06-13|
    AR089522A1|2014-08-27|
    CA2862783A1|2013-08-29|
    EP2800706A2|2014-11-12|
    UA112458C2|2016-09-12|
    CA2862783C|2018-10-09|
    CN104136334A|2014-11-05|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-06-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-11-17| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/12/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    EP20120150043|EP2612821A1|2012-01-03|2012-01-03|Can comprising a first, dispense opening and second, vent opening|
    EP12150043.3|2012-01-03|
    PCT/EP2012/076818|WO2013124019A2|2012-01-03|2012-12-21|Can comprising a first, dispense opening and second, vent opening|
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