• 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:
    Assembly of a garbage bag (1) and a sprayable adhesive (2), wherein the adhesive (2) is provided for releasably attaching the garbage bag (1) to the inner surface of a container (4), the adhesive (2) being water and glycerol.
    公开号:BE1025676B1
    申请号:E2018/5257
    申请日:2018-04-18
    公开日:2019-05-27
    发明作者:Bob Cornelis
    申请人:B-Core；
    IPC主号:
    专利说明:

    COMPOSITION OF A WASTE BAG AND A CUSTOMER
    This invention relates to an assembly of a garbage bag and a sprayable adhesive for releasably bonding the garbage bag to an inner surface of a container.
    This invention also relates to a method for arranging a garbage bag in a container, wherein the container comprises an inner space bounded by an inner surface and wherein prior to the application of the garbage bag in the container, a sprayable adhesive is applied to the inner surface.
    A sprayable adhesive is used herein to refer to a sprayable substance for bonding one surface to another surface. The adhesive can also be referred to as spray, adhesive, adhesive, etc. The containers are, for example, waste containers, such as waste containers for green waste (GFT containers: containers for vegetable, horticultural and garden waste).
    In certain countries, such as Belgium and the Netherlands, fruit and vegetable waste and garden waste is recycled and collected separately. For this purpose, households are provided with a VFG container in which vegetable, huit and / or garden waste can be deposited. This container comprises an inner space bounded by an inner surface that is accessible via an opening. Waste can then be deposited in this inner space by bringing waste through the opening. The contents of these containers are collected at regular intervals, and this by tilting / tipping these containers and then pouring them out. To ensure proper processing of this waste, no plastic bag may be placed in the interior of the GFT container. This is because these plastic bags are also collected during the collection of the waste and can then hinder the further processing of this waste. One cannot even use biodegradable plastic bags here, as these will also hinder processing. This means that the waste must be disposed of separately in the interior. These containers will start to smell after a certain amount of time, since a lot of waste sticks to the inner surface of these containers. This one
    BE2018 / 5257 containers must therefore also be cleaned regularly. However, cleaning is cumbersome and very unpleasant. There is also the risk that not all of the waste will be collected, as a large part of the waste will stick to the inner surface.
    It would therefore be desirable if it were nevertheless possible to be able to use plastic bags, but without the problem arising that these bags end up with the waste during the waste collection.
    Systems already exist in which the plastic bag does not or will hardly come loose from the container during tilting / tipping and thus emptying the container. Such a system is described, for example, in US8573265. Here, use is made of an adhesive, namely an adhesive strip, which is adhered to the inner surface of the container and to which the garbage bag can also adhere. The container of this system further comprises a vacuum device with which one can properly attach the garbage bag to the inner surface of the container. This system is not very user-friendly. This because it is cumbersome, among other things, to apply this adhesive strip. The container itself is also complex since it comprises a vacuum device. This vacuum device is also susceptible to breakage of wear, as a result of which this container is not suitable for frequent emptying by, for example, the personnel of garbage collection companies. Removing the used plastic bags is also cumbersome.
    It is therefore an object of the invention to develop a system, a device or an assembly with which it becomes possible to use bags in containers in a user-friendly and little complex manner, without the problem of these bags being created come loose from the container when collecting the waste that is in these bags.
    This object is achieved by providing an assembly of a garbage bag and a sprayable adhesive for releasably bonding the garbage bag to an inner surface of a container, the adhesive comprising water and glycerol.
    BE2018 / 5257
    Sprayable means that the adhesive can be sprayed, sprayed or sprayed. Even more specifically, the adhesive may be sprayable. This adhesive can hereby be easily applied to at least a part of the inner surface of the container, and this by spraying the adhesive onto the inner surface. Since this adhesive is sprayable, it is also possible to apply this adhesive on a relatively large surface of the inner surface with relatively little adhesive. As a result, one must not provide for complex systems to attach the garbage bag with a sufficiently large contact surface to the inner surface.
    As standard, a container comprises an inner space bounded by an inner surface of the container in which the waste can be deposited. The container then usually comprises an opening which limits the inner space at the top, so that this inner space can be filled by bringing waste through this opening. Emptying is done by tilting the container so that the waste falls out of the container through the opening with the help of gravity. This opening is classically bordered by an edge. The garbage bag is then going to be attached to a container by largely bringing the garbage bag into the inner space and bringing the end of the garbage bag comprising an opening over the edge so that the garbage bag is held open by the edge.
    This sprayable adhesive is preferably applied to the inner surface of the container. When applying the garbage bag around the edge of a container, in order to keep the garbage bag open, the garbage bag normally comes into contact with the inner surface of the container. If there is already adhesive on this portion of the inner surface, this means that when applying the garbage bag, there is already contact with the adhesive. When adhesive is also applied at other locations of the inner surface, it is possible to additionally push the garbage bag partly against the inner surface to ensure further adhesion. However, by throwing trash into the garbage bag, the weight of the garbage will cause the garbage bag to at least partially touch it
    BE2018 / 5257 inner surface comes to abut and thus adheres to the inner surface with the aid of the adhesive. It is therefore in principle irrespective of which parts of the inner surface are applied with adhesive. This sprayable adhesive can optionally be designed in such a way that this adhesive can move a little downwards due to gravity. If adhesive is then applied to the inner surface of the inner space only at the opening of the container, then lower parts of the inner surface will also be covered with the adhesive.
    With the aid of this assembly, it is thus possible in a very simple manner to sufficiently attach a garbage bag to the inner surface of the container, so that when emptying the container, only the waste comes out of the garbage bag and the garbage bag largely adheres to the inner surface of the container. the waste container. Since the garbage bag remains largely stuck to the inner surface of the container during the collection of the waste, there is no risk of contamination of the outer surface of the container during waste collection. Since the adhesive provides a releasable adhesion, the garbage bag can easily be removed again. For example, after waste collection, the used garbage bag can be removed to avoid odor nuisance. The used garbage bag can be deposited with the residual waste.
    The adhesive comprises water and glycerol. Glycerol can also be referred to as glycerin or propane-1,2,3-triol. Water and glycerol are components that are easily available and are present in large quantities. Glycerol has a high viscosity, so that the garbage bag here adheres well to the inner surface of the container. The water ensures good sprayability. The combination of water and glycerol provides a desired surface tension so that the garbage bag can adhere well to the container. These components also ensure that the adhesion between the garbage bag and the inner surface of the container can be released again if desired. Moreover, these components do not contaminate the inner surface of the container, so that after removing the garbage bag after emptying the waste, the container does not have to be cleaned
    BE2018 / 5257. You can then apply some adhesive back to the inner surface without cleaning and put a new garbage bag in the container. These components also do not spread an unpleasant odor. Even more preferably, the adhesive comprises mainly water and glycerol.
    Furthermore, the adhesive preferably consists of a mixture of water and glycerol. The adhesive then only comprises water and glycerol, so that this adhesive is very cheap and easy to produce. This adhesive is also environmentally friendly.
    Preferably the adhesive comprises at least 50 volume percent water, preferably at least 60 volume percent. This makes the adhesive highly sprayable. A spray bottle comprising this adhesive will also not become clogged quickly, so that this adhesive can always be easily sprayed with the aid of a spray bottle.
    The adhesive preferably comprises at least 15 volume percent glycerol, preferably at least 25 volume percent. This ensures that the adhesion between the garbage bag and the inner surface of a container is sufficient, so that during the waste collection the garbage bag remains connected to the inner surface of the container and therefore does not end up with the waste.
    Furthermore, most preferably, the adhesive consists of a mixture of substantially 70 percent by volume water and substantially 30 percent by volume glycerine.
    The garbage bag is preferably made of plastic. Plastic bags are very suitable for depositing waste. The garbage bag can, for example, be a single-layer plastic bag. Plastic bags adhere very well to a container using an adhesive comprising water and glycerol.
    In a very preferred embodiment, the garbage bag comprises linear low-density polyethylene (LLDPE) and ethylene vinyl acetate (EVA). Further preferably, the weight ratio LLDPE to EVA is between 1.5 and 2.5. And further preferably also, the EVA comprises 12 to 25 weight percent of vinyl acetate. Because the garbage bag is made from the above components, this garbage bag will be very
    BE2018 / 5257 adhere well to the adhesive and therefore to an inner surface on which the adhesive is applied. Certainly when the adhesive consists more specifically of a mixture of water and glycerol, the adhesion between the garbage bag and the adhesive will be optimal. Here, the garbage bag will then not or only slightly come loose from the inner surface of the container when collecting the waste and thus when tilting the container. If, however, you want to remove this garbage bag yourself, you can easily separate it from the container.
    Due to this composition, this garbage bag is not susceptible to leaks and will not degrade during use, as a result of which the inner surface of the container will not get soiled due to this garbage bag. This also applies if the waste is not collected frequently and there is a few weeks between successive waste collections. If you then forget to place the container outside during a waste collection, you do not have to worry about leaks and cracks in the garbage bag.
    Due to this composition, this garbage bag also has a certain stretchability, as a result of which, if the garbage bag is of suitable dimensions and the container comprises a said edge and opening, it can be stretched over said edge of the container, so that this garbage bag certainly does not come off at emptying the container. Because of this composition, the garbage bag can start to exert a certain tension on the edge, without the risk of the garbage bag tearing. Appropriate dimensions here mean that the size of the opening of the garbage bag, which is provided to be arranged over the edge of the container, is substantially the same size or slightly smaller than the size of the edge around which it is provided to hold the garbage bag so that the garbage bag can then be tensioned around the edge of the container. Considering that usually standard containers are used, garbage bags with standard dimensions can then be provided. The size of the opening of the garbage bag can for instance be substantially the same as the size of the said opening of a container.
    BE2018 / 5257
    The LLDPE is preferably C4, C6 or C8 LLDPE, even more preferably C6 or C8 LLDPE. In a very preferred embodiment, the garbage bag comprises erucamide and / or CaCl 2. As a result, the adhesion between the garbage bag and the adhesive is optimal and the elongation and strength are also optimal. Further preferably, the garbage bag comprises at most 5% by weight of erucamide and / or CaCl 2, preferably at most 2.5% by weight, even more preferably at most 1% by weight. Preferably, the garbage bag mainly comprises LLDPE and EVA.
    In a preferred embodiment, the elongation of the garbage bag at an ultimate tensile strength is between 300% and 700%. Further preferably, the garbage bag is a plastic garbage bag, wherein the elongation at the ultimate tensile strength in the machine direction is between 300% and 620%, even more preferably between 320% and 600% and even more preferably between 350% and 570%. Furthermore, the garbage bag is also preferably a plastic garbage bag, wherein the elongation at the ultimate transverse direction strength is between 420% and 700%, even more preferably between 440% and 680% and even more preferably between 470% and 650%. The garbage bag here therefore has a certain stretchability, as a result of which it can be tensioned around, for example, a said edge of a container which limits the opening of the container. The dimensions of the garbage bag can then be designed in such a way that it can be stretched over the edge, which provides additional protection against the garbage bag coming loose from the container during the emptying of the container.
    The refuse bag preferably has a tensile strength between 18 and 45 MPa. Even more preferably, the garbage bag is a plastic garbage bag, with an (ultimate) tensile strength in the longitudinal direction (machine direction) between 24 and 45 MPa, more preferably between 29 and 40.5 MPa and even more preferably between 31 and 39 MPa. The garbage bag is also preferably a plastic garbage bag, with an (ultimate) tensile strength in the transverse direction (transverse direction) between 18 and 41 MPa, more preferably between 23 and 36 MPa and even more preferably between 26 and 34 MPa . The tensile strength can for example be determined with a
    BE2018 / 5257 standard test method for the mechanical properties of thin plastic film, such as the ASTM D882. To apply this test method, the samples of the garbage bag are conditioned at, for example, +/- 23 ° C and a relative humidity of +/- 50% at a minimum of 24 hours. The test speed can for example be 500 mm / min, the used samples for example 15 mm wide and the grip to grip separation for example 50 mm.
    These garbage bags have a certain strength, as a result of which the risk of breakage, for example when they are stretched over the edge of a container, is small. The risk of tearing due to the weight of the waste is also small here. Moreover, garbage bags with these tensile strengths are also highly suitable for being sufficiently adhered to the inner surface of a container with a sprayable adhesive, so that this garbage bag does not come loose when the container is emptied, but this garbage bag will simply come off when one wishes to remove it .
    The melt flow index (MFI) is preferably between 0.50 g / 10 min and 1 g / 10 min. The refuse bag is preferably a plastic one-layer bag with a thickness between 20 and 25 μm. Since this garbage bag is relatively thin, it is extremely suitable for sticking to the inner surface of a container with the aid of an adhesive when emptying the container.
    This invention also relates to the adhesive per se as described above. It also concerns the garbage bag per se as described above.
    The assembly preferably comprises a spray bottle, wherein the adhesive is included in this spray bottle and the adhesive is sprayable with the aid of this spray bottle. The spray bottle can also be designated, for example, with the terms spray bottle, spray bottle, spray bottle or spray bottle. More specifically, the spray bottle can be an atomizer. With the help of a spray bottle it is easy to apply the adhesive to the inner surface and this also quickly over a relatively large surface and this also
    BE2018 / 5257 sufficiently thin. For simplicity, garbage bags can then be sold together with a spray bottle filled with adhesive.
    This object is also achieved by providing a method for applying a garbage bag in a container, the container comprising an inner space bounded by an inner surface, wherein prior to the application of the garbage bag in the container, a sprayable adhesive is applied to the inner surface, and the adhesive is sprayed on at least a portion of the inner surface and the garbage bag is at least partially applied to the inner space and the adhesive comprises water and glycerol
    This is a very simple and quick to carry out method with which a garbage bag can be attached so releasably to the inner surface of a container that this garbage bag does not come loose when collecting waste present in the container, i.e. when tilting / tipping the container, but that this garbage bag can easily be removed after waste collection. Spraying an adhesive is in fact very simple and by spraying an adhesive one can quickly cover a large part of the inner surface with adhesive. When applying the garbage bag to the inner space, a part of the garbage bag will normally already come into contact with the adhesive applied to the inner surface. If this is not the case, the weight of the waste deposited in the garbage bag will cause the garbage bag to come into contact with this adhesive. Even when there is already contact with the adhesive, the weight of the waste will provide additional contact between the garbage bag and the adhesive, whereby this garbage bag remains in good contact with the inner surface when the container is emptied. Because the adhesive can easily be applied over a relatively large part of the inner surface and ensures a large surface tension, a large contact surface between the garbage bag and the container is also easily possible, which reduces the risk of the garbage bag coming loose during waste collection. is.
    BE2018 / 5257
    The container preferably comprises at the top an opening through which the inner space of the container can be reached, wherein the container comprises an edge which delimits this opening all around, and wherein the garbage bag comprises an opening through which garbage can be arranged in the garbage bag, the garbage bag being at the level of its opening is arranged so substantially around the edge of the container that the garbage bag largely extends into the inner space of the container and the garbage bag is held open by the edge. It is easy to attach a garbage bag to the container in this way. Preferably, therefore, adhesive is sprayed on the inner surface that is in the vicinity of this edge, so that by arranging the garbage bag in the container, there is already contact between the garbage bag and the adhesive.
    Further preferably, the garbage bag, at least at the height of its opening, is stretchable and the garbage bag at the height of its opening is stretched over the edge. The dimensions of the garbage bag at the height of its opening are for this purpose preferably substantially the same size or somewhat smaller than the dimensions of the outer circumference of the edge, so that the garbage bag can then be tightened around this edge.
    In a very preferred embodiment, the garbage bag and the adhesive form an assembly as shown above.
    This invention will now be further elucidated with reference to the following detailed description of a preferred embodiment of an assembly and a method according to the present invention. The purpose of this description is to provide illustrative examples only and to indicate further advantages and details, and thus can in no way be interpreted as limiting the scope of the invention or the patent rights claimed in the claims.
    In this detailed description reference is made by reference numerals to the accompanying drawings wherein
    BE2018 / 5257
    figure 1 represents a perspective representation of a container, in which a garbage bag is arranged according to a method according to the invention, wherein this container comprises a lid to close the opening of the container and this lid closes the opening;
    figure 2 represents a perspective representation of the container shown in figure 1, wherein the lid leaves the opening open;
    figure 3 represents a cross-section of the container shown in figure 2; Figure 4 is a perspective view of a spray bottle comprising an adhesive.
    The invention relates to an assembly of a garbage bag (1) and an adhesive (2). This adhesive (2) is provided for releasably attaching the garbage bag (1) to the inner surface of a GFT container (4). This GFT container (4) comprises an inner space (5) bounded by the inner surface in which waste (7) can be deposited. Furthermore, this container (4) comprises at the top an opening bounded by an edge (8), through which the inner space (5) of the container (4) can be reached, and this container (4) comprises a hinged lid (6) which can open the opening close if desired.
    It is desirable to provide this inner space (5) with a garbage bag (1), so that the waste (7) is not loosely deposited in this inner space (5), but ends up in the garbage bag (1) which enters this inner space (5) has been prepared. This is to prevent the inner surface from becoming contaminated with waste (7) and waste (7) sticking to this inner surface and after a certain time it starts to smell and / or rot, etc.
    However, this garbage bag (1) may not end up with the waste (7) during waste collection. Therefore, an assembly according to the invention is provided.
    The adhesive (2) is a sprayable adhesive (2) consisting of 30 volume percent glycerol and 70 volume percent water. The garbage bag (1) is a plastic garbage bag (1) comprising LLDPE and EVA, the weight ratio being LLDPE on EVA 2/1. Furthermore, the garbage bag (1) comprises erucamide and CaCCh. The garbage bag
    BE2018 / 5257 (1) comprises almost 0.45% by weight of CaCl 2. The melt flow index of the garbage bag (1) is almost 0.77 g / 10 min. The tensile strength in the longitudinal direction is almost 34.7 MPa and the tensile strength in the transverse direction is almost 29.7 MPa. The elongation at the ultimate tensile strength in the longitudinal direction is almost 460% and the elongation at the ultimate tensile strength in the transverse direction is almost 560%
    This garbage bag (1) comprises one opening through which waste (7) can be brought. The size of the opening of the garbage bag (1), in the non-stretched state, substantially corresponds to the size of the said opening of the container (4).
    In order to place the garbage bag (1) of the assembly in the inner space (5), the adhesive (2) is first sprayed on a large part of the inner surface of the container (4). For this purpose a spray bottle (3) is provided comprising the adhesive (2). An example of such a spray bottle (3) is shown in Figure 4.
    The garbage bag (1) is then placed at the height of its opening, around the edge (8) of the container (4) and this by tensioning the garbage bag (1) over the edge (8). The garbage bag (1), after it has been placed in the container (4), largely extends into the inner space (5) and is held up by the edge (8). By applying this and further by the weight of the waste (7) deposited in the garbage bag (1), the garbage bag (1) will adhere to the adhesive (2) present on the inner surface and thus adhere to the inner surface.
    Due to this adhesive (2), the composition of the garbage bag (1) and the tensioning of the garbage bag (1) around the edge (8), the garbage bag (1) will not come loose from the container (4) during the waste collection. When this container (4) is tipped, the garbage bag (1) will not end up with the waste (7). However, this adhesive (2) and this garbage bag (1) also allow easy manual removal of the garbage bag (1).
    权利要求:
    Claims (20)
    [1]
    CONCLUSIONS
    An assembly of a garbage bag (1) and a sprayable adhesive (2) for releasably bonding the garbage bag (1) to an inner surface of a container (4), characterized in that the adhesive (2) comprises water and glycerol.
    [2]
    An assembly according to claim 1, characterized in that the adhesive (2) consists of a mixture of water and glycerol.
    [3]
    An assembly according to claim 1 or 2, characterized in that the adhesive (2) comprises at least 50 volume percent water, preferably at least 60 volume percent.
    [4]
    An assembly according to any one of the preceding claims, characterized in that the adhesive (2) comprises at least 15 volume percent glycerol, preferably at least 25 volume percent.
    [5]
    An assembly according to any one of the preceding claims, characterized in that the garbage bag (1) comprises linear low-density polyethylene (LLDPE) and ethylene vinyl acetate (EVA).
    [6]
    An assembly according to claim 5, characterized in that the weight ratio LLDPE on EVA is between 1.5 and 2.5.
    [7]
    An assembly according to claim 5 or 6, characterized in that the EVA comprises 12 to 25 weight percent of vinyl acetate.
    [8]
    An assembly according to any one of the preceding claims, characterized in that the garbage bag (1) comprises erucamide.
    [9]
    An assembly according to any one of the preceding claims, characterized in that the garbage bag (1) comprises CaCCh.
    BE2018 / 5257
    [10]
    An assembly according to any one of the preceding claims, characterized in that the elongation of the garbage bag (1) at an ultimate tensile strength is between 320% and 680%.
    [11]
    An assembly according to claim 10, characterized in that the garbage bag (1) is a plastic garbage bag (1), wherein the elongation at the ultimate tensile strength is between 320% and 600% and / or the elongation at the ultimate tensile strength in the transverse direction is between 440% and 680%.
    [12]
    An assembly according to any one of the preceding claims, characterized in that the garbage bag (1) has a tensile strength between 18 and 45 MPa.
    [13]
    An assembly according to claim 12, characterized in that the garbage bag (1) is a plastic garbage bag (1) with a tensile strength in the longitudinal direction between 24 and 45 MPa and / or a tensile strength in the transverse direction between 18 and 41 MPa .
    [14]
    An assembly according to any one of the preceding claims, characterized in that the assembly comprises a spray bottle (3), that the adhesive (2) is included in this spray bottle (3) and that the adhesive (2) is sprayable with the aid of this spray bottle (3).
    [15]
    Method for placing a garbage bag (1) in a container (4), the container (4) comprising an inner space (5) bounded by an inner surface, wherein prior to the application of the garbage bag (1) in the container (4), a sprayable adhesive (2) is applied to the inner surface, characterized in that the adhesive (2) is sprayed on at least a part of the inner surface, and that the garbage bag (1) is applied at least partially in the inner space ( 5) and that the adhesive (2) comprises water and glycerol.
    BE2018 / 5257
    [16]
    Method according to claim 15, characterized in that the container (4) at the top comprises an opening through which the inner space (5) of the container (4) can be reached, wherein the container (4) comprises an edge (8) which this opening bounded around, and that the garbage bag (1) comprises an opening through which garbage can be inserted into the garbage bag (1), wherein for placing the garbage bag (1) in the container (4), the garbage bag (1) is at the level of opening is provided mainly around the edge (8) of the container (4) such that the garbage bag (1) extends largely into the inner space (5) of the container (4) and the garbage bag (1) is held open by the edge ( 8).
    [17]
    A method according to claim 16, characterized in that the garbage bag (1) can be stretched at least at its opening, and so that the garbage bag (1) can be arranged so substantially around the edge (8) of the container (4) , the garbage bag (1) at the height of its opening is stretched over the edge (8).
    [18]
    Method according to one of claims 15 to 17, characterized in that the garbage bag (1) and the adhesive (2) form an assembly as shown in one of claims 1 to 14.
    [19]
    Adhesive (2) for releasably attaching a garbage bag (1) to an inner surface of a container (4), characterized in that the adhesive (2) is an adhesive (2) as shown in one or more of the claims 1 to 14.
    [20]
    Garbage bag (1), characterized in that the garbage bag (1) is a garbage bag (1) as shown in one or more of claims 1 to 14.
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    同族专利:
    公开号 | 公开日
    BE1025676A1|2019-05-23|
    BE1025165B1|2018-11-28|
    BE1025165A1|2018-11-20|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH03147601A|1989-11-02|1991-06-24|Toray Ind Inc|Refuse bin|
    DE9217217U1|1992-12-16|1993-02-25|Van Egmond B.V., Nijkerk, Nl|
    EP0726081A1|1994-08-29|1996-08-14|Osaka Shipbuilding Co., Ltd.|Constant-delivery aerosol container|
    WO2001036298A1|1999-10-27|2001-05-25|Clean Up Korea Co., Ltd.|Waste box|
    US8079945B2|2004-02-10|2011-12-20|Pactiv Corporation|Fiber-reinforced film processes and films|
    WO2013113053A1|2012-02-01|2013-08-08|Thuc Tran|Bin liner system with nested bin liners|
    法律状态:
    2019-06-19| FG| Patent granted|Effective date: 20190527 |
    优先权:
    申请号 | 申请日 | 专利标题
    BE2017/5280A|BE1025165B1|2017-04-21|2017-04-21|COMPOSITION OF A WASTE BAG AND A CUSTOMER|
    BE2017/5280|2017-04-21|
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