• 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:

    公开号:FR3017603A1
    申请号:FR1451183
    申请日:2014-02-14
    公开日:2015-08-21
    发明作者:Guen Vincent Le
    申请人:Sidel Participations SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a container for liquid, in particular for gaseous liquid, and a package of several containers according to the invention, arranged so as to occupy as little space as possible. In general, the invention relates to the field of the manufacture of containers, in particular bottles, of thermoplastic material such as PET, by blowing or stretch-blow molding preforms in molds, the containers being designed not to deform under the action of an internal pressure, for example bottles intended to contain a carbonated beverage, such as a naturally gaseous liquid, for example gaseous water, or a gaseous or carbonated liquid, for example a soda. When such containers are made, it is necessary to give them a special shape that allows them to withstand the internal pressure. In particular, the bottom of the container is often of curved shape or more or less hemispherical shape to ensure sufficient resistance to pressure, the bottom constituting a weak point in the design of such containers. A bottom hemispherical or curved shape does not allow to rest the container on a flat support. Also, such containers are often associated with rings or cups, reported on the hemispherical bottom of the containers, which allow to place the upright containers on a flat support. Document FR 2 357 437 describes an example of such containers.
    [0002] The invention particularly aims to overcome such rings or cups for packaging containers in packages and for their transport. Therefore, the problem of stability of the containers arises again. The invention aims to overcome this problem.
    [0003] The invention also aims to reduce the bulk of container packages. The invention proposes for this purpose a container for gaseous liquid, made of plastic, comprising a curved base integral with a body, the bottom and the body having a same axis of symmetry of revolution, said body comprising a first part upper and a second lower part, the second lower part being integral with the bottom, said first and second parts being interconnected by an intermediate zone, the first and second parts each having a substantially concave shape whose concavity is turned towards the axis of symmetry of the body. In view of the state of the art, the container according to the invention is remarkable in that the concave shape of the first part is substantially the same as the concave shape of the second part, in that the intermediate zone has a convex shape, whose convexity is turned towards the axis of symmetry of the body and in that, in a plane comprising said axis of symmetry, said convexity and said concavity are substantially complementary. Thanks to these features, a part of a container according to the invention (first upper part or second lower part) can nest in the intermediate zone of a second container according to the invention. In this way, several contiguous containers in accordance with the invention interlock with each other, the bottoms of the containers being offset relative to one another, which allows a saving of space in the volume occupied by several containers (compared with the volume occupied by as many containers but which do not include the characteristics of the invention). The stability of a package of several containers is obtained with at least four containers, three of which form the vertices of a triangle of levitation, surrounding the fourth vertically offset container (see the embodiments below). According to the invention, the container may have the following characteristics: the concavity and the convexity may be substantially of partially spherical shape, of the same diameter. This characteristic is ideal for the distribution of internal forces to the container against the wall of the container, due to the presence of gas once the containers are filled. The containers are thus less likely to deform once filled; the intermediate zone may be surrounded by a holding band, to maintain the shapes of the upper and lower parts by constricting the intermediate zone; the container may be filled with a gaseous liquid.
    [0004] The invention also relates to a method of manufacturing a container as defined above, filled with a gaseous liquid and having a holding strip surrounding the intermediate zone. The method according to the invention comprises the following steps: - production of the hollow container by blowing or stretching a preform in a mold having an imprint capable of producing a container comprising a curved base integral with a body, the bottom and the body having a same axis of rotational symmetry, said body comprising a first upper portion and a second lower portion, the second lower portion being integral with the bottom, said first and second portions being interconnected by an intermediate zone, the first and second parts each having a substantially concave shape whose concavity is turned towards the axis of symmetry of the body, the concave shape of the first part being substantially the same as the concave shape of the second part, the intermediate zone having a shape convex, whose convexity is turned towards the axis of symmetry of the body and, in a plane co comprising said axis of symmetry of the body, said convexity and said concavity being substantially complementary to allow the nesting of a first or a second part of a container in an intermediate zone of a second container, - filling of the hollow container with a gaseous liquid, and fixing a retaining band around the body of the container on the intermediate zone, after the filling step. This process is particularly intended for producing containers according to the invention containing a naturally gaseous liquid, for example a mineral water.
    [0005] The invention also relates to a method of manufacturing a container as defined above, filled with a gasified liquid, such as a carbonated liquid by adding carbon dioxide, and having a holding band surrounding the intermediate zone. The method according to the invention comprises the following steps: - production of the hollow container by blowing or stretching a preform in a mold having an imprint capable of producing a container comprising a curved base integral with a body, the bottom and the body having a same axis of rotational symmetry, said body comprising a first upper portion and a second lower portion, the second lower portion being integral with the bottom, said first and second portions being interconnected by an intermediate zone, the first and second parts each having a substantially concave shape whose concavity is turned towards the axis of symmetry of the body, the concave shape of the first part being substantially the same as the concave shape of the second part, the intermediate zone having a shape convex, whose convexity is turned towards the axis of symmetry of the body and, in a plane co comprising said axis of symmetry of the body, said convexity and said concavity being substantially complementary to allow the nesting of a first or a second part of a container in an intermediate zone of a second container, - filling of the hollow container with a liquid, - addition of gas in the liquid, so as to obtain a gasified liquid, - and fixing a retaining band around the body of the container on the intermediate zone, after the step of adding gas. The invention also relates to the production of a package comprising at least four containers as defined above. According to the invention, two contiguous containers are placed in such a way that the first part or the second part of one is inserted into the intermediate zone of the other. In this case, the package can be arranged in such a way that three containers each have at least one point of their bottom in the same plane so that the bottom of each of the at least three containers is able to be in contact with the same support plan. The three containers thus ensure the stability of the entire package on the flat support.
    [0006] The package of containers according to the invention may also comprise the following characteristics taken separately or taken in combination: the containers are oriented in the same direction and in the same direction; - The containers are oriented in the same direction and placed head to tail; the containers are held in position by a heat-shrinkable film; the containers are held in position by a strip of cardboard surrounding the package.
    [0007] In order to be able to be executed, the invention is disclosed in a sufficiently clear and complete manner in the following description which is, in addition, accompanied by drawings in which: FIG. 1 is a side view of a container according to the invention; FIG. 2 is a side view of two containers according to the invention, nested one inside the other; FIG. 3 is a view from above of a first package of containers according to the invention; FIG. 4 is a side view of the package illustrated in FIG. 3; FIG. 5 is a side view of a second package of containers according to the invention; FIG. 6 is a top view of the illustrated package; FIG. 7 is a side view of another package of containers according to the invention arranged in a first nesting mode, and FIG. 8 is a side view of another package. containers according to the invention, arranged in a second mode of nesting. In the following description, the terms "lower", "higher", "high", "low", etc. are used with reference to the drawings for greater ease of understanding. They should not be understood as limitations of the scope of the invention. Figure 1 shows a hollow container 1 according to the invention, made of plastic, such as PET, by blowing or stretching a preform into a mold. The hollow container 1 is filled with a gaseous liquid 2, such as a carbonated water-type beverage or a carbonated liquid, such as a soda. According to the example illustrated in the figures, the hollow container 1 comprises a body 3 extending along a main axis Z, and has a side wall 3 'of symmetry of revolution about the main axis Z. In the upper part of the container 1, the side wall 3 'squeezes to reach the neck of the container, called neck 4, comprising a top opening sealed by a cap 5, such as a cap, a cap or a cap. In the lower part, in the continuity of the lateral wall 3 ', the container 1 comprises a bottom 6 whose wall follows a circular generatrix whose center O is positioned on the main axis Z and whose radius r corresponds to the distance the widest between the main Z axis and the side wall 3 '. Thus, the bottom 6 of the container 1 forms a spherical cap, for example a hemisphere, which constitutes a rounded or outwardly curved shape of the container 1, particularly adapted to withstand the stresses due to the filling of the container 1 by a gaseous or gasified liquid. The body 3 of the container comprises several parts, and in particular a first upper part 7 located under the neck 4. The body 3 of the container 1 also comprises a second lower part 8 secured to the bottom 6 of the container 1, formed partially in the continuity of the spherical cap of the bottom 6. The second part 8 thus has, when viewed in a plane parallel to the main axis Z, a concave shape whose concavity is turned towards the axis of symmetry Z of the body 3 of the container 1. The first part 7 has, when viewed in a plane parallel to the main axis Z, substantially the same concave shape as the second part 8, the concavity of which is also turned towards the main axis Z of the body 3 of the container 1. first and second parts 7 and 8 are interconnected by an intermediate zone 9.
    [0008] The intermediate zone 9 is surrounded by a band 10 which provides pressure on the wall 3 ', so that the intermediate zone 9 does not deform under the action of the internal pressure in the container 1, the pressure being due to the presence of gas in the liquid 2 contained in the container.
    [0009] Unlike the first and second parts 7 and 8, the intermediate zone 9 has a convex shape whose convexity is turned towards the axis of symmetry Z. If we consider a plane P of symmetry which comprises the axis of symmetry Z (That is to say a vertical sectional plane for the container 1 shown in Figure 1), the convexity of the intermediate zone 9 constitutes a hollow, whose concavity is oriented opposite to that of the first and second parts 7 and 8 and is complementary to one and the other of the first and second parts 7 and 8. In other words, the hollow of the intermediate zone 9, on the one hand, and the valleys of the first and second parts 7 and 8 on the other hand, are respectively turned outwardly and inwardly of the container 1. In other words again, the first portion 7 and the second portion 8 are bulged outwardly of the container 1, while the intermediate zone 9 is convex towards the inside of the container 1. Thus, two containers 1 can be nested one inside the other: the first part 7 of a first container is inserted into the intermediate zone 9 of the second container 1, while the second part 8 of the second container 1 is inserted into the zone 9 intermediate the first container 1. According to one embodiment, the first and second parts 7 and 8 are truncated spheres. For example, and as illustrated in the example of the figures, following the curvature of the spherical cap of the bottom 6, the second portion 8 is itself a partially spherical shape. The first part 7 is then also a partially spherical shape and of the same diameter as the shape of the second part 8 of the body 3. The hollow shape of the intermediate zone 9 is substantially the same as that of the two recesses formed by the two concavities first and second parts 7 and 8, but oriented in the opposite direction. The convexity of the intermediate zone 9 is thus complementary to the concavity of the first and second parts 7 and 8.
    [0010] According to the example illustrated in the figures, by the symmetry of revolution around the main axis Z, any section of the body 3 of the container 1 in a plane perpendicular to the axis Z of revolution is a circle, the circle of more small diameter, outside the bottom 6, being on the intermediate zone 9. The overall shape of the container 1 is thus comparable to the shape of a peanut. The spherical shape of the first and second parts 7 and 8 has a certain advantage when the container 1 is filled with a gaseous liquid, because it makes it possible to increase the resistance of the container 1 to the internal pressure. The shape of the recesses being substantially the same, this allows the insertion with contact of the first part 7 of a first container 1 in the intermediate zone 9 of a second container 1, as shown in FIG. 2 and, similarly, the insertion with contact of the second portion 8 of the second container 1 in the intermediate zone 9 of the first container 1. In other words, the side wall 3 'of the first container 1 at its intermediate zone 9 is in contact with the side wall 3 'of the second container 1 at its second portion 8, and similarly, the side wall 3' of the second container 1 at its intermediate zone 9 is in contact with the side wall 3 'of the first container 1 at its first part 7. The first container 1 is then closely interwoven with the second container 1, which allows for a minimum footprint. The two containers 1 are for example oriented in the same direction, that is to say with their neck 4 positioned upwards. However, they are offset vertically relative to each other due to the interlocking of the upper 7 and lower 8 parts in the intermediate areas 9: the caps 5 of the two hollow containers 1 are at different levels n1 and n2. The two nested containers 1 occupy less surface area than two containers positioned next to each other but not nested one inside the other. Thanks to the particular shape of the containers 1 according to the invention, it is possible to produce different nestings of containers between them, ensuring the formation of floors of several containers which generally occupy less space than the packages of containers which are commonly found. , whose containers 1 are arranged next to each other with their bottom 6 resting on a flat support.
    [0011] Figures 3 and 4 show a first example of a package 11 of containers 1 according to the invention, comprising four containers according to the invention and identical to each other. The package 11 is designed to present the containers 1 in the upright position (i.e. upright with the caps 5 facing upwards) and to rest stably on a plane support 12. To do this, it is necessary that the bottoms 6 of three containers 1 rest on the plane support 12, each by at least one point of contact, so that the contact points of each of these three containers 1 with the support 12 plane form the three vertices of a triangle T of levitation (shown in Figure 3), ensuring the balance of the package 11. The triangle T of levitation is an equilateral triangle. The three containers 1 ensuring the balance of the package 11 are the containers 1 whose caps 5 are at a first level n1 in Figure 4.
    [0012] The fourth container 1 is nested between the three containers 1 ensuring the equilibrium of the pack 11: the second part 8 of the body 3 of the fourth pack 1 is inserted into the intermediate zones 9 of the bodies 3 of the containers ensuring the balance of the pack 11. Because the triangle T is equilateral, the main Z axis of the fourth container 1 is in the center of the triangle T, which ensures the package 11 a high stability. Thus, the bottom 6 of the fourth container 1 is at a level n above the level of the support plane 12, and the cap 5 of the fourth container 1 is at a level n2 above the level n1 of the three caps 5 of the three containers 1 ensuring the balance of the package 11.
    [0013] In order to hold the containers 1 forming the package 11 in position, a heat-shrinkable film 13 surrounds the package 11. In this way, the package 11 occupies less surface area on the flat support 12 than a conventional package of four containers. Packet 11 however spreads over a height (corresponding to level n2) greater than the conventional height (corresponding to level n1) of a conventional package of four containers. It is possible, however, to reduce the level n2 a little, by placing the containers 1 upside down, as illustrated in FIG.
    [0014] In this configuration, the containers 1 nested within each other are placed neck 4 at the top or neck 4 at the bottom, once in two. More particularly, three containers 1 are placed neck 4 at the top and rest by their base 6 bulged on the support 12 plane. Two containers 1 are placed neck 4 down, between the containers 1 placed neck 4 at the top, being nested in the containers 1 placed neck 4 at the top. The caps 5 of the containers 1 placed neck 4 at the top are at a level nl. The bottoms 6 of the containers 1 placed col 4 down are at a level n3.
    [0015] Figure 7 shows the same nesting of the containers 1, but the containers 1 are all positioned neck 4 at the top. The caps of the two nested containers 1 reach a level n2 as previously seen (FIG. 2). Level n2 is located above level n3. The difference in height between the levels n2 and n3 substantially corresponds to the height h of the cap 5 and the neck 4 of the container 1 on which the cap 5 is fixed by screwing (for example). Thus, by placing the containers 1 head spades, the packets take up less room in height than in the case where all the containers 1 are positioned in the same direction.
    [0016] It should be understood that the invention is not specifically limited to the embodiment of a package 11 of four containers 1. Other configurations may be envisaged and may correspond to the invention. For example, the two packets illustrated in Figures 7 and 8 are configurations corresponding to the invention.
    [0017] Similarly, the embodiment of a package 14 of five containers 1, such as that illustrated in Figures 5 and 6, also corresponds to a package of containers according to the invention. In the context of this embodiment, four containers 1 form four feet ensuring the stability of the package 14, being arranged at the vertices of a square C (see Figure 6). A central container is nested between the four containers 1 providing stability, so that the second part of the central container 1 enters each of the intermediate areas 9 of the four containers ensuring the stability of the package 14. With regard to the dimensions of the containers, one could still provide more containers 1 in a package without departing from the scope of the invention.
    [0018] In the context of the embodiment illustrated in FIG. 5, the containers are held in place by being surrounded by a cardboard strip 15 that can serve as an advertising medium, for example, or as a support for any other information relating to the product contained in the containers 1 of the package 14. Reference will now be made to two examples of container manufacturing processes 1. Currently, two categories of gaseous liquids are packaged and marketed: there are naturally gaseous products, such as certain mineral waters, and there are carbonated products, of the soda type, which, at the base, are flat liquid products to which, in a second time, gases are added. Two processes are therefore used to condition these two kinds of products. However, the processes have several steps in common. The first step in common consists in producing the hollow container, by blowing or stretching a plastic preform in a mold. The mold has an internal imprint making it possible to obtain the shape of the container according to the invention, that is to say a container 1 comprising two upper and lower parts 7 and 8 of substantially at least partly spherical shape, separated by a intermediate zone 9 hourglass-shaped, thus having a recessed shape adapted to accommodate either of the upper and lower parts at least partially spherical of the same container attached. The second step in common is to fill the container with the flat or naturally gaseous liquid.
    [0019] If the liquid is flat, the next step is to incorporate gas into the liquid and then to fix a holding band around the zone 9 so that it does not deform under the action of the internal pressure at container 1.
    [0020] If the liquid is naturally gaseous, then the next step consists only in fixing the holding band around zone 9. It is understood from the foregoing description how the invention makes it possible to solve congestion problems related to the conditioning of containers, while ensuring optimum resistance to internal pressure in the case of carbonated liquids. In particular, it is understood how the shape of the wall of the body of the bottle allows nesting of the containers into each other, which reduces the overall size of a package of containers according to the invention. It should be understood, however, that the invention is not limited to the embodiments described. In particular, only a container with first and second partially spherical parts has been described and presented. A container having other concave and convex shapes at the lower and upper parts and the transition zone may correspond to a container according to the invention. For example, the first and second portions 7 and 8 may be ovalized. In addition, the shape of the intermediate zone 9 is not necessarily identical to that of the first and second parts 7 and 8. Finally, the container 1 may not be symmetrical of revolution. In this case, the first and second parts 7 and 8 and the intermediate zone 9 are adapted so that the intermediate zone 9 forms a housing for one and the other of the first and second parts 7 and 8 on a determined portion of the side wall 3 'of the container, imposing an orientation to be able to nest the containers 1. It is finally perfectly understandable that, if the container of the invention is of interest when filled with a gaseous liquid, because of its high resistance to internal pressure stresses, it is quite usable for a flat liquid and, in this case, it retains the advantages of its great facility to constitute stable packages allowing a saving of storage space.
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Container (1) hollow, made of plastic, comprising a bottom (6) of curved shape integral with a body (3) extending along a main axis (Z), said body (3) comprising a first part (7) ) and a second portion (8) lower, the second portion (8) being secured to the bottom bottom (6), said first and second parts (7, 8) being interconnected by an intermediate zone (9), the first and second parts (7, 8) each having a substantially concave shape whose concavity is turned towards the main axis (Z) of the body (3), characterized in that the concave shape of the first part (7) is substantially the same as the concave shape of the second part (8), in that the intermediate zone (9) has a convex shape whose convexity is turned towards the main axis (Z) of the body (3), and in a plane (P) comprising said main axis (Z) of the body (3), said concavity and said convexity are substantially complementary.
    [0002]
    2. Container according to claim 1, characterized in that said concavity and said convexity are substantially of partially spherical shape, of the same diameter.
    [0003]
    3. Container according to claim 1 or 2, characterized in that the zone (9) intermediate is surrounded by a strip (10) for holding. 25
    [0004]
    4. Container according to claim 3, characterized in that it is filled with a liquid (2) gas.
    [0005]
    5. A method of manufacturing a container according to claim 4, comprising the steps of: producing the hollow container (1) by blowing or stretching a preform in a mold having an imprint capable of producing a container comprising a bottom (6) curved integral with a body (3), the bottom (6) and the body (3) having the same axis (Z) of rotational symmetry, said body (3) comprising a first portion (7) upper and a second portion (8) lower, the second portion (8) being secured to the bottom bottom (6), said first and second parts (7, 8) being interconnected by an area (9) intermediate, the first and second parts (7, 8) each having a substantially concave shape whose concavity is turned towards the axis (Z) of symmetry of the body, the concave shape of the first part (7) being substantially the same as the concave shape of the second part (8), the intermediate zone (9) having a convex shape, whose convexity is turned towards the axis (Z) of symmetry of the body (3) and, in a plane (P) comprising said axis (Z) of symmetry of the body (3), said convexity and said concavity being substantially complementary to allow the nesting of a first or a second portion (7, 8) of a container (1) in an area (9) intermediate a second container (1) filling the container (1) hollow with a liquid (2) flat or gas, - and fixing a band (10) for holding around the body (3) of the container (1) on the zone (9) intermediate, after the step of filling.
    [0006]
    6. A method of manufacturing a container according to claim 4, comprising the steps of: producing the hollow container (1) by blowing or stretching a preform in a mold having a cavity adapted to produce a container (1) comprising a bottom (6) of convex form integral with a body (3), the bottom (6) and the body (3) having a same axis (Z) of rotational symmetry, said body (3) comprising a first part ( 7) and a second portion (8) lower, the second portion (8) being secured to the bottom bottom (6), said first and second parts (7, 8) being interconnected by an intermediate zone (9), the first and second parts (7, 8) each having a substantially concave shape whose concavity is turned towards the axis (Z) of symmetry of the body (3), the concave shape of the first part (7) being substantially the same as the concave shape of the second part (8), the intermedia zone (9) having a convex shape, whose convexity is turned towards the axis (Z) of symmetry of the body (3) and, in a plane (P) comprising said axis (Z) of symmetry of the body (3), said convexity and said concavity being substantially complementary to allow the nesting of a first or a second part (7, 8) of a container (1) in an intermediate zone (9) of a second container (1), filling of the container (1) hollow with a liquid, addition of gas in the liquid, so as to obtain a gasified liquid (2), and fixing a band (10) for holding around the body (3) of the container (1) on the zone (9) intermediate, after the step of adding gas.
    [0007]
    Pack (11; 14) having at least four containers according to any one of claims 1 to 4, characterized in that two adjacent containers (1) are placed in such a way that the first part (7) or the second part (8) one is inserted in the zone (9) intermediate the other.
    [0008]
    8. Pack (11; 14) according to claim 7, characterized in that at least three containers (1) each have at least one point of their bottom (6) in the same plane so that the bottom (6) of each of the at least three containers (1) is adapted to be in contact with the same support (12) plane.
    [0009]
    9. Pack (11; 14) according to claim 7 or claim 8, characterized in that the containers (1) are oriented in the same direction and in the same direction.
    [0010]
    10. Pack (11; 14) according to claim 7 or claim 8, characterized in that the containers are oriented in the same direction and placed head to tail.
    [0011]
    11. Package (11) according to any one of claims 7 to 10, characterized in that the containers (1) are held in position by a heat-shrinkable film (13).
    [0012]
    12. Package (14) according to any one of claims 7 to 10, characterized in that the containers (1) are held in position by a strip (15) of cardboard surrounding the package (14).
    类似技术:
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    同族专利:
    公开号 | 公开日
    FR3017603B1|2017-03-24|
    CN105992738A|2016-10-05|
    EP3105134A1|2016-12-21|
    WO2015121560A1|2015-08-20|
    US20160340079A1|2016-11-24|
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    法律状态:
    2015-02-20| PLFP| Fee payment|Year of fee payment: 2 |
    2016-01-21| PLFP| Fee payment|Year of fee payment: 3 |
    2017-01-24| PLFP| Fee payment|Year of fee payment: 4 |
    2018-11-30| ST| Notification of lapse|Effective date: 20181031 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1451183A|FR3017603B1|2014-02-14|2014-02-14|CONTAINER FOR CARBONATE LIQUID AND PACKAGE COMPRISING MULTIPLE CONTAINERS|FR1451183A| FR3017603B1|2014-02-14|2014-02-14|CONTAINER FOR CARBONATE LIQUID AND PACKAGE COMPRISING MULTIPLE CONTAINERS|
    EP15706872.7A| EP3105134A1|2014-02-14|2015-01-28|Container for carbonated liquid and pack comprising a plurality of containers|
    PCT/FR2015/050197| WO2015121560A1|2014-02-14|2015-01-28|Container for carbonated liquid and pack comprising a plurality of containers|
    CN201580007905.4A| CN105992738A|2014-02-14|2015-01-28|Container for carbonated liquid and pack comprising a plurality of containers|
    US15/110,796| US20160340079A1|2014-02-14|2015-01-28|Container for carbonated liquid and pack comprising a plurality of containers|
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