• 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:
    Anti-bubbling device, applicable in a container closure with cap (1) and cutting ring (4), by means of teeth, of a sealing foil (6). It comprises a collapsible tube (7), related to the cutting ring (4). In the folded or loaded position, the tube (7) is located outside the sealing sheet (6) and with the breakage of the sheet (6) is automatically inserted and deployed inside the package. The tube can be made by means of springs (10, 11) covered with a waterproof film (12) and comprise elements for guiding, fixing, orienting and retaining the mechanism. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2641605A1
    申请号:ES201630435
    申请日:2016-04-08
    公开日:2017-11-10
    发明作者:Pablo IBAÑEZ RAZOLA
    申请人:Pablo IBAÑEZ RAZOLA；
    IPC主号:
    专利说明:

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    Anti-spurt device SECTOR OF THE TECHNIQUE
    The present invention relates to an anti-spurt device, especially for tetrabrik® type nozzles, or in general any container that has a frangible sheet between the outlet nozzle and the inside of the container.
    It is applicable in the field of packaging, mainly in food.
    STATE OF THE TECHNIQUE
    The packages, for example those made with plurilaminar material such as the so-called "tetrabrik®", which contain liquids have an opening system consisting of a cap, a threaded nozzle attached to the body of the container and, according to the type, a ring of cutting a frangible sealing sheet.The container is not usually filled with liquid, so when you open it for the first time some air enters it.This air forms a bag on the top that is filled with the emptying of the container.
    Due to the geometry of the container and the nozzle, when pouring and especially in the first uses, there is a vacuum inside which increases as the emptying of the container occurs. With a certain frequency there comes a time when the vacuum pressure is sufficient to suck air from outside and stop the exit of the liquid. This produces a new balance of pressure, which facilitates the exit of new liquid. This continuous effect of vacuum and air inlet produces a series of spurts or discontinuous and generally annoying flows because the liquid is usually spilled and stained when filling the container.
    The German patent DE202008010645 offers a solution that involves placing a cannula in the nozzle that facilitates communication between the air bag and the outside. This system forces the manufacturing of the packages to vary and to dispose of foreign elements in contact with the liquid from the beginning, so it is not very hygienic.
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    French patent FR3001205 is known, relating to an anti-spurt device, which comprises a cannula included in the cap of a container, but in this case outside the sealing and closing sheet, whereby the hygiene of the contents is maintained. . The cap comprises a cutting ring that breaks the sheet when the cap is opened the first time, and which in one embodiment drags the cannula to serve as an aeration of the container and reduce the bubbles in the outlet. In other embodiments, the cannula must be manually deployed, with the hygiene problems involved and the risk of the cannula being in an incorrect position inside the container and between liquid. Again due to the limited dimensions of the cannula, the 180 degree rotation of the cannula into the container produces interference with half of the teeth of the cutting ring, therefore they have been eliminated. This insufficiency in the number of teeth can be a serious problem for the proper cutting of the seal
    This system is unreliable, as it is relatively easy that liquid enters the cannula and is blocked. To do this, it provides a small valve at its innermost end, but nothing can be arranged at its outer end. Likewise, the cannula is limited in terms of dimensions, so it only works properly for specific container sizes.
    In addition, the cannula is attached to the nozzle of the container and not with the cutting ring, so there is interference with the paddle blades that drive it. Therefore, it is complicated to assemble and close the user. Moreover, the cannula forces to redesign the cutting ring, making it difficult to break the sealing sheet. In addition, the union of the cannula with the nozzle above the cutting ring limits its height, so that the teeth and the thread must be small.
    It is therefore necessary to solve these problems of the French patent, for which the following invention has been developed.
    BRIEF EXPLANATION OF THE INVENTION
    The invention consists of an anti-spurt device according to the claims. This device solves with its variants the problems of the state of the art.
    The present invention has hygiene advantages, since the elements of the invention are not in contact with the contents of the package until it is opened. Also,
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    The tube is deployed automatically, without the need for contact with external bodies, or a different handling by the user. The entire mechanism remains inside the hole that leaves the plug free, outside the sealing sheet, and it is released when the box is opened, so that the user does not have to do anything different from what he is doing now.
    Being extensible, the connection between the air bag and the outside is total, so the outflow is homogeneous from the first utilization.
    Finally, when the system is applied to the cut-off ring of the closure, it is not necessary to affect any existing elements, so that the already optimized design of this can be used. Since the cutting ring is below the fins or blades of the cap, once the container is fully opened, the cutting ring will always remain below the fins or rotating blades of the cap, and therefore there will never be interference between these fins and the tube during the successive uses of the container.
    The anti-spurting device of the invention therefore resembles that of the French document, as it has a tube, with a longitudinal section parallel to the axis of the nozzle (generally vertical, so that term will be used to name it) finished off an aspiration mouth and a section transverse to the axis of the nozzle (normally horizontal, although in this case it accepts some variation within the invention, regardless of the actual position) with an air expulsion mouth at its free end. This tube is related to one or more hook legs of the cutting ring for simultaneous descent. But unlike the already known, the tube is deployable to increase efficiency. That is, the dimensions of the tube are variable, being compressed, folded or similar when the container has not yet been opened.
    The preferred way to carry out this deployment is by means of two springs covered by an impermeable film, which form the mentioned sections. The springs will generally be helical, and their section may be circular, oval, rectangular, ... Preferably, the vertical spring, which forms the vertical section, is conical or pyramidal trunk.
    An accumulation bag can be made in the lower part of the tube bend (that is, the union between both sections).
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    Preferably, the vertical section joins the cutting ring, but has an extension above it.
    In the bending, a connector can be arranged that joins the two sections together. This connector may include elements that establish the direction of the sections, which we will call orientators, and whose function is to contain the spring so that it does not escape or deploy to the sides. They may be two elements that contact the internal or external walls of the section itself, or the corresponding spring.
    To facilitate deployment, glues can be made on the leg or legs of the cutting ring, which collaborate with a carriage attached to the tube bend. This carriage may have a hook that connects to the upper edge of the cutting ring (including any element integral to it, such as the leg or legs or a support for fixing the vertical section to these legs), but against a return tension that Store to free the hook.
    The carriage may also comprise a gate, articulated horizontally or vertically, which is arranged in front of the free end of the horizontal section of the tube, in its folded position, so that the upper edge of the gate is above the upper edge of the teeth . In this way, the gate cannot be opened because it is prevented by the cutting ring until the deployment and lowering of the carriage has begun below the cutting ring.
    DESCRIPTION OF THE DRAWINGS
    For a better understanding of the invention, the following figures are included.
    Figure 1: Schematic side view of an embodiment of the invention.
    Figure 2: Close according to a usual solution in the state of the art, without any element of the device.
    Figure 3: Two views of an example connector for the bend.
    Figure 4: A first example of a car.
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    Figure 5: the carriage example of the previous figure, fixed to the connector of figure 3 and with a horizontal spring in a loaded position.
    Figure 6: schematic cuts of the device, according to one realization, showing the operation of the hook: A) in initial position; B) with the beginning of the breakage of the sheet; C) after complete breakage of the sheet.
    Figure 7: side view of an example of a carriage with a gate, with a horizontal spring loaded and with a mechanism fixing hook.
    Figure 8: top view of two cutting rings of the invention with one or two legs, according to two embodiments.
    Figure 9: Perspective view of an example of support for the vertical section.
    Figure 10: first stages of the assembly of the device, according to one embodiment.
    Figure 11: Other stages of the assembly of the device, according to the embodiment of Figure 10.
    Figure 12: an example of embodiment without springs in the tube.
    Figure 13: A second example of realization without helical springs.
    EMBODIMENTS OF THE INVENTION
    Next, a mode of embodiment of the invention is briefly described as an illustrative and non-limiting example of this.
    The invention shown in the embodiments of Figures 1 to 13 is an anti-spurt device for containers, for example tetrabrik® and the like. It is formed by a closure similar to those existing in the state of the art, to which elements are added to aerate the interior during pouring. The closure comprises a screw plug (1) with a series of fins (2) arranged inwards. It also includes a nozzle (3) fixed to the body of the container and with an external thread corresponding to that of the cap (1). The nozzle (3) also has an internal thread in the opposite direction to the outside. In
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    this internal thread is mounted a cutting ring (4) with teeth (5) in a part of its lower edge, intended to break a sealing sheet (6) of the container, arranged between the cutting ring (4) and the interior of the container Normally these teeth (5) cover more than half of the lower edge of the cutting ring (4), and the space they leave uncovered will serve to leave the piece of cut sheet (6) cut together by a bridge to the rest.
    By turning the cap (1), its fins (2) drive the cutting ring (4), which rotates in the internal thread of the nozzle (3), but moving in the opposite direction to the cap (1), being introduced into the container . In this way their teeth (5) penetrate the sheet (6) and tear, break or cut.
    To this plug (1), already known, is added a deployment system of a tube (7) with a general "L" shape that is deployed from inside the cutting ring (4). Thus, the movement The system is integral with that of the cutting ring (4), so it is not necessary to modify the fins (2) or the teeth (5) with respect to the system already known.
    The tube (7) has a vertical section (8), parallel to the axis of the nozzle (3), and a horizontal section (9), approximately perpendicular to the axis. Both are deployable, preferably by having two springs (10.11) inside covered by a waterproof film (12) that shapes the tube (7). The springs (10,11) may have a square, rectangular, round or any other type of shape, but it is recommended that they be truncated conical or truncated-pyramidal to occupy the minimum space folded.
    It is also possible to make the tube (7) by means of flexible folded elements: the spiral tube (7) itself (figure 12), an internal zig-zag spring, etc. In this case, it would be of interest that the horizontal section (9) does not fold down easily, but if towards the sides (by reinforcements (28) in the upper and lower areas of the tube wall (7) or internal to it ( Figures 12 and 13)). In this way, it can be kept folded inside the nozzle (3), but the free end of the horizontal section (9) will not fall by its weight once deployed, despite being cantilevered.
    It is also possible to tilt the horizontal section (9) so that the free end is higher and therefore further away from the liquid level (figure 10).
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    The vertical section (8) will appear through the nozzle (3) to aspirate the air through a suction mouth (13), while the horizontal section (9) will communicate with the air bag through an air outlet (14) . Between the two an elbowing will occur, as will be described later. Each of the sections (8,9) will have its own spring (10,11), although these may be a single helical metal wire, with the cited crank.
    The suction mouth (13) of the vertical section (8) will be at the upper level of the cutting ring (4), preferably comprising an extension (15), conical or pyramidal, extending its length beyond the cutting ring (4) . This extension (15) may be folded once the plug (1) is placed for the first time at the factory. In subsequent placement of the plug (1) after its first use, the cutting ring (4) will remain at a lower level and the extension (15) of the suction mouth (13) will not exceed the nozzle (3)
    The mouths (13,14) can be single holes (figure 9) or a plurality of perforations (figure 1), which reduces the risk of liquid ingress blocking the tube (7). The ejection mouth (14) will preferably be oriented upwards for the same reason.
    The tube (7) may have a storage bag (16), or small collection tank, of any liquid that accidentally enters it at the bottom of the bend. For example, it will be done by widening the film (12) in that area.
    While the container has not been opened for the first time, the tube (7) will be compressed and "loaded" into the nozzle (3). The sheet (6) will brake its deployment. With the breakage of the sheet (6) by the cutting ring (4), the deployment brake is removed and the tube emerges from the lower edge of the cutting ring (4), generally through the tooth-free zone (5). ), for being simpler. It should be positioned so that at the end of the path of the cutting ring (4), pushed by the fins (2), the horizontal section (9) is oriented towards the side opposite to the natural pouring position. This implies that the vertical section (8) is arranged by the upper part in that natural position. In the case of a tetrabrik® the horizontal section (9) will be oriented towards the edge of the upper base furthest from the nozzle (3).
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    It is advisable to arrange in the cutting ring (4) clips or hook legs (17) that drag the tube (7) in the folded position with the rotation of the tube (figure 8).
    To keep the tube (7) folded, and to direct its deployment, it is proposed to arrange a series of optional auxiliary elements.
    When the sections (8,9) that make up the compressible structure of the tube (7) are independent, an intermediate connector (18) in the bending that relates them will be required. The fixation of each section (8,9) will depend on the elements thereof. For example, if they include springs (10.11), they could be eyelashes (19) or notches (19 ’) for fixing them. It could also be by adhesive, plastic welding, or be made in a single piece with one of the two sections (8,9). If the tube (7) is unique, the intermediate connector (18) may be obviated or make the curve to generate the bending avoiding the throttling of the tube (7).
    In turn, the connector (18) can serve to ensure the orientation of the horizontal section (9) in its folded or compressed position, for example by keeping the horizontal spring (11) in position by orientators (20) whether internal (figure 3) or external, such as a drawer (not shown).
    For vertical movement of the tube (7), a carriage (21) attached to it can be arranged to move in glues (22) made in the legs (17) of the cutting ring (4). The first function of the carriage (21) is to prevent the tube (7) in the folded position from being disoriented by the force of the horizontal section (9) against the wall of the cutting ring (4). If you do not have this car (21), it could result in a fortuitous escape of the compressed tube (7) through the teeth (5) or above the cutting ring (4), or some jamming due to the release of the tube (7 ) sideways or up.
    In turn, the carriage (21) and the glues (22) ensure that the deployment movement is carried out correctly into the container when the sheet (6) is cut.
    The carriage (21) may be integral with the connector (18) or be directly connected to the tube (7). Figure 4 shows projections (23) for joining a hole (24) of the connector (18). In figure 5 this union has already taken place, in addition to the coupling of the horizontal spring (11), although the film (12) is not shown to be imprisoned between the carriage (21) and the connector (18).
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    As an additional brake measure, the carriage (21) can have one or more hooks (25) for fixing to the upper edge of the cutting ring (4) or some element integral thereto, preferably a single hook (25). In the fixation position, the hook (25) will be in a somewhat forced or tensioned position, so that its natural position (without tension or stress) is removed from its interlocking point. Thus, the hook (25) will be released automatically at the beginning of the first opening of the container, at the moment in which the tube (7), integral with the cutting ring (4), presses towards the seal in its movement inwards of the container
    The hook (25) helps prevent the carriage (21) from traveling and exiting the glues (22) even when the sheet (6) is not in position. That is, it facilitates the assembly of the entire mechanism, since the assembly is collected and loaded into the cutting ring (4) even before its assembly with the package.
    As shown schematically in Figures 6A to 6C; In the initial position, the hook (25) is attached to the upper edge of the cutting ring (4), or of any element integral thereto (Figure 6A). When starting the opening, the teeth (5) are stuck in the sheet (6), whereby the cutting ring (4) descends slightly. However, the carriage (21) cannot descend since the sheet (6) still prevents it. Therefore, although the upper edge of the cutting ring (4) has descended, the hook (25), integral with the carriage (21), has not done so and can be released (Figure 6B). At this point the system is free of anchors and is only supported by the sealing sheet (6), the vertical section (8) being even more folded or compressed than its initial state. By continuing with the opening, the cutting ring (4) finishes breaking the sheet (6) and the carriage (21) that descends through the glues (22) is automatically released, driven by the deployment of the vertical section (8) of the tube (7). When the bend exceeds the lower edge of the cutting ring (4), the horizontal section (9) is automatically deployed and remains in the final position (Figure 6B).
    The vertical section (8) of the tube (7) must be connected to the cutting ring (4), for example in the mentioned legs (17). For this, it can have a support (26), preferably independent of the legs (17) to facilitate assembly of the assembly, but fixable to them. In the support (26) the vertical spring (10) can be fixed by means of grooves. The support (26) may comprise a receiver of the hook (25) (not shown) which
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    it could be a sunken, a projection, ... to define the hook interlocking point (25).
    The horizontal section (9) in the folded position is directed against the cutting ring (4), generally in an area without teeth (5). With vibrations, by blows, or during assembly, it is possible to move under the cutting ring (4), through the space left free by the teeth (5), starting its deployment and causing jams. For this, a gate (27) can be arranged in front of the free end of the horizontal drum (9). This gate (27) will be articulated in the lower part of the carriage (21) as shown in the figures, or on the side. The upper edge of the gate (27) will be above the upper edge of the teeth (5) in the loaded position. Ace! prevents the deployment of the horizontal section (9) of the tube (7) while the sheet (6) has not been broken.
    The fins (2) of the plug (1) will not require modification if the size of the device is reduced or is provided with a cutting ring (4) like the one seen in the right part of figure 8. If you wish to do so somewhat larger, it may be necessary to modify the arrangement of the fins (2). If in the state of the art three fins (2) are usually arranged in an equilateral triangle, in the invention it may be necessary to reduce them to two fins (2) or arrange them in another geometry. The cutting ring (4) usually has, in the state of the art, projections for contact with the fins (2), the legs (17) being able to be used in substitution of one of these projections.
    Figures 10 and 11 show the assembly steps of the most complete embodiment of the invention. In parts of these figures the cutting ring (4) has been shown transparently to facilitate understanding.
    1. It begins with the forming of the springs (10,11), either from a single element or by means of a connector (18) (figure 10A).
    2. The film (12) is arranged around the springs (10.11) and the connector (Figure 10B).
    3. The vertical spring (10) is fixed on the support (26), figure 10C, which is fixed to the legs (17) of the cutting ring (4) (figure 10D).
    4. The carriage (21) is placed in position, joining the connector (18). If this joint must pierce the film (12), it will be done with tightening to maintain the tightness. However, it is preferable that the film (12) is not punctured,
    eliminating edges and points and leaving a margin or tolerance between the elements to place the film (12) (figure 11A).
    5. The horizontal spring (11) is compressed, closing the gate (27) (figure 11B), and the carriage (21) is inserted into the glues (22) (figure 11C), until the hook 5 (25) is it can be locked in the support (26) (figure 11D). In this position, the
    rigid element of the lower invention (generally a part of the carriage (21) is at the height of the teeth (5) of the cutting ring (4).
    权利要求:
    Claims (1)
    [1]
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    1- Anti-spurting device, for application in a container closure formed by a plug (1) screwed into a nozzle (3), a cutting ring (4) with teeth (5) at the bottom and a sheet (6 ) sealing, so that the first rotation of the cap (1) drives the cutting ring (4) to break the sheet (6), and where the closure contains a tube (7), with a parallel vertical section (8) to the axis of the nozzle (3) finished off in a suction mouth (13) and a horizontal section (9) with an outlet mouth (14) of the air at its free end, related to one or more hook legs (17) of the cutting ring (4) for simultaneous descent, characterized in that the tube (7) is automatically deployable and is folded prior to the breakage of the sheet (6).
    2- Device, according to the first claim, where the sections (8.9) are made by means of two springs (10.11) covered by a waterproof film (12).
    3- Device, according to claim 2, wherein at least one of the springs (10,11) is rectangular helical section.
    4- Device, according to claim 2, comprising an accumulation bag (16) in the lower part of the tube bend (7).
    5- Device, according to claim 2, wherein the vertical spring (10) has a trunk-pyramidal or conical shape.
    6- Device, according to claim 2, wherein the vertical section (8) has an extension (15) above the cutting ring (4).
    7- Device, according to the first claim, where the mouths (13,14) correspond to paths of small perforations.
    8- Device, according to the first claim, comprising a connector (18) of the sections (8,9) in the pipe bending (7).
    9- Device, according to claim 7, wherein the connector (18) has orientators (20) of the horizontal section (9).
    10- Device, according to claim 8, which has a carriage (21) attached to the bending of the mobile tube (7) in guides (22) arranged in the leg or legs (17) of the cutting ring (4).
    5 11- Device according to claim 10, wherein the carriage (21) comprises one or more
    hooks (25) that connect with the upper edge of the cutting ring (4), or with an integral element thereto, against a return tension.
    12- Device, according to claim 10, wherein the carriage (21) comprises a gate (27), arranged in front of the free end of the horizontal section (9), and whose
    upper edge is above the upper edge of the teeth (5) of the cutting ring (4).
    13. Device, according to the first claim, comprising a support (26) of fixing the vertical section (8) attached to the leg or legs (17) of the cutting ring (4).
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    同族专利:
    公开号 | 公开日
    WO2017174850A1|2017-10-12|
    ES2641605B1|2018-09-13|
    CN109071066A|2018-12-21|
    US20190375538A1|2019-12-12|
    US10589896B2|2020-03-17|
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