• 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:
    distributor. it is a distributor that comprises an internal drum, external casing, screw member, control member and platform; the outer casing, the screw member and the control member having configurations that provide particular coupling features in the assembled distributor, including features that compensate for dimensional variation.
    公开号:BR112014018811B1
    申请号:R112014018811-4
    申请日:2013-01-30
    公开日:2021-04-13
    发明作者:Amit Arora；Alex Sandor Szekely；Amanda Claire Wilding；Garen Kouyoumjian；Timothy Charles Dzurik
    申请人:Unilever Ip Holdings B.V.；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [001] The present invention relates to a distributor for the application of solid or semi-solid products, such as, for example, wax sticks, creams, gels and structured emulsions. More particularly, the invention in question relates to double-walled dispensers for dispensing cosmetic products which include, but are not limited to, antiperspirants, deodorants, lipsticks and lip balms, in solid or semi-solid form. BACKGROUND OF THE INVENTION
    [002] In many distributors for the application of solid or semi-solid cosmetic products, in particular, antiperspirant and / or deodorant sticks, a product support platform or elevator is provided that engages with a threaded screw, whose rotation moves the platform axially through the drum to an upper distribution end from which the product is applied. In recent years, double-walled distributors in which the product support elevator is contained within an inner cylinder or drum, which, in contrast, is contained in an outer casing or casing, have progressively become available.
    [003] Double-walled or double-walled dispensers allow for interesting design features that include the possibility of employing transparent or translucent outer casings that allow all or a portion of the colors, graphics or other visual features of the inner drum to appear through the outer casing . The possibility of employing various color combinations of inner drum / outer shell significantly expands the potential for brand customization within the same distributor configuration.
    [004] Where standardizing the dimensions of an internal drum is of interest, double-walled distributors can provide manufacturers with added flexibility in changing the appearance of their packaging, that is, it may be possible to change the outer casing without having to replace the tools in the inner drum. In addition, double-walled dispensers provide the potential for an outer shell that has more extreme conformation, often desirable from an ergonomic perspective.
    [005] Despite the benefits they can provide, double-walled distributors present several engineering challenges.
    [006] A major challenge for manufacturers looking to produce double-walled packages is to compensate for dimensional variations, for example, part shrinkage, in a way that considers the combination of the inner drum and the outer shell. The dimensional variability may be partly attributable to molding conditions and / or tool designs. Part shrinkage problems can be exacerbated by changes to the materials from which the distributor components are molded, such as, for example, changes in color concentrates. Where the same tool is to be used for molding a variety of materials, it is especially essential that the inner drum / outer shell is configured to provide part shrinkage and other dimensional variations. Dimensional variations, even when very small, can result in such components that appear incompatible, interfering with the distributor assembly and / or impacting functionality and / or visual aesthetics.
    [007] To reduce buildup in the mounted distributor, the inner drum and / or the outer wrapper of double-walled packages may have a lesser wall thickness than that of conventional single-walled packages and, as a result, may be more susceptible flex or bend. In addition, the body components of a relatively thin wall thickness may be less resistant to fracture of the top load or other stresses. Even if individually finer, joined together, the strength of such components can be improved. The joining of the inner drum and outer shell in a way that provides acceptable sensory performance, including desirable rotation, however, can be problematic. The joining of the inner drum and the outer shell is often accomplished by adding components or package features, for example, retaining members such as ribs, latches, and the like, which deviate from the appearance and / or add cost to the assembly.
    [008] One aspect of this invention is to provide a distributor with a double wall tolerant to dimensional variations, in particular, shrinkage of the inner drum and / or the outer shell.
    [009] Another aspect of this invention is to provide a robust double-walled package that has an aesthetically pleasing appearance, in which the inner drum and outer shell engage with each other in a way that resists unwanted axial and radial movement , otherwise, desirably with a minimum number of component parts. Another aspect of this invention is to provide a double-walled dispenser that has desirable sensory properties.
    [010] These and other aspects of this invention can be achieved by providing a distributor as described hereinafter more particularly. DESCRIPTION OF THE INVENTION
    [011] In one embodiment, a distributor is provided comprising: A) an internal drum comprising a tubular side wall (IBSW) and a bottom wall (IBBW) that together define an interior space (IBIS), in which the bottom wall of the inner drum includes an opening (IBO) surrounded by an inner collar that extends upward from such a bottom wall (IBBW) in the inner space of the inner drum and an outer collar that extends downward from the bottom wall of the inner drum (IBBW), with the inner collar and the outer collar each comprising an inner and outer surface; wherein the tubular side wall of the inner drum ends at its upper end at an upper edge (IBSWUE), the tubular side wall of the inner drum additionally comprising an outer ridge which is optionally chamfered; B) an outer shell comprising a tubular side wall (OSSW) and a bottom wall (OSBW) that together define an inner space of the outer shell (OBIS) that holds the inner barrel, and the tubular side wall of the outer shell ends at the top end of it an upper edge (OSSWUE) which is optionally chamfered; C) a screw member comprising: i) a base comprising: a) one or more shoulders, b) a sealing means, and c) a drum fitting; eii) a threaded shaft; D) a mobile platform; eE) a control member comprising a tubular side wall (CMSW) and a top wall (CMTW) that together define an interior space of the control member (CMIS), in which: I) the interior space of the outer shell surrounds the inner drum, with the outer collar of the inner drum extending outside the inner space of the outer shell through an opening in the bottom wall of the outer shell; the outer crest of the inner barrel engages the upper edge of the outer shell; and the inner drum and outer casing do not move relative to each other; II) the screw member engages the control member so that a portion of the base is contained within the interior space of the control member, and a portion the base extends through an opening in the top wall of the control member in the inner collar of the inner drum and engages the sealing means with the inner surface of the inner collar and locks the drum fitting in place above the inner collar; the sealing means and the drum fitting being rotatable with respect to the inner collar; eIII) the outer collar of the inner drum extends into the inner space of the control member through the opening in the top wall of the control member, and the inner surface of the outer collar cooperates with the bosses of the screw base. BRIEF DESCRIPTION OF THE DRAWINGS
    [012] Figure 1 is an exploded perspective view of a distributor according to this invention, which has a shape suitable for filling from the bottom.
    [013] Figure 2 is an exploded front elevation of the Figure 1 dispenser, with some components shown in clear view.
    [014] Figure 3 is a side elevation of the Figure 1 dispenser.
    [015] Figure 4 is a cross section of the distributor of Figure 1 seen along the vertical geometric axis 4-4 shown in Figure 3.
    [016] Figure 5A is a clear front elevation of the inner drum shown in the distributor in Figure 1; Figure 5B is a clear side elevation of the inner drum shown in the dispenser of Figure 1; Figure 5C is a top plan view of the bottom of the inner drum shown in the dispenser of Figure 1; Figure 5D is a plan view of the bottom of the drum. inner shown in the dispenser in Figure 1; Figure 6A is a clear front elevation of the outer wrap shown in the dispenser in Figure 1; Figure 6B is a top plan view of the outer wrap shown in the dispenser in Figure 1; Figure 7A is a top plan view of the screw member shown in the distributor of Figure 1; Figure 7B is a front elevation of the screw member shown in the distributor of Figure 1; Figure 7C is a side elevation of the screw member shown in the distributor of Figure 1 ; Figure 7D is a bottom plan view of the screw member shown in the distributor of Figure 1; Figure 8A is a top plan view of the control member shown in the distributor of Figure 1; Figure 8b is a front elevation 1 of the control member shown in the distributor of Figure 1; Figure 8C is a side elevation of the control member shown in the distributor of Figure 1; Figure 8D is a bottom plan view of the control member shown in the distributor of Figure 1; Figure 9A is a front elevation of the platform shown in the distributor of Figure 1; Figure 9B is a side elevation of the platform shown in the Figure 1 dispenser; Figure 9C is a bottom plan view of the platform shown in the Figure 1 dispenser. DESCRIPTION OF ACCOMPLISHMENTS OF THE INVENTION
    [017] Except where otherwise noted, throughout this specification, the terms “upper” and “lower” are used in relation to an orientation where the dispensing end is at the top and the bottom end is at the bottom of the distributor, whose orientation is shown, for example, in Figures 3 and 4. More particularly, in relation to the positions of components, component resources and component assemblies, "upper" means towards the distribution end, and "lower" means towards the base end of the distributor. Other terms of reference such as "above" and "below" are similarly applied with the distributor in the orientation described above. The terms "down" and "below" are used interchangeably in relation to a direction that generally extends towards the base or bottom end of the distributor and the terms "up" and "above" are used in relation to a direction that generally extends towards the dispensing end of the distributor. Unless otherwise stated, in relation to the base, top and / or side walls that define an interior space, the terms "inner surface" and "inner surface" are used interchangeably in relation to a wall surface facing the inner space and the terms "outer surface" and "outer surface" are used interchangeably to refer to a surface facing the opposite side of the wall, that is, an outer or outer surface to such an inner space. In relation to a component or subcomponent that has or defines an internal space, for example, the inner drum, outer shell, collar control member and the base, the term "outer surface" generally refers to an outer or outer surface of such a component and the term "inner surface" refers to an inner or inner surface of such a component in relation to such inner space.
    [018] Any numerical range used in this description must be understood as modified by the word "approximately", as well as encompassing the ranges expressly revealed. Whether the distributor of the invention in question or components thereof is described as "including" or "comprising" specific components, the less extensive embodiments in which the distributor can "consist essentially" or "consist" of the recited components are also contemplated.
    [019] The distributor in question combines several features that together make it possible to produce a robust double-wall distributor of desirable appearance, including a “superior”, clean and / or elegant appearance, preferably without any external features that are readily apparent. for a user as conventional “lock” components, for example, external, ribs, fittings and the like.
    [020] In addition, the distributor readily accommodates dimensional variations, in particular shrinkage, which typically occur with modifications to the molding conditions and / or material from which a component is made. In addition, the dispenser lends itself to filling from the bottom, in which the product to be contained in the dispenser is introduced in the form of fluid through the base end of the dispenser.
    [021] The dispenser described in this document is adaptable to many different sizes. The size of the distributor depends, in large part, on the product to be distributed, the dose in which it is applied and the insertion on the market and / or the service life of the distributor, for example, magnitude of value, samples, travel size, and the like, with product volumes in the range of 5 ml to 200 ml, more particularly, from 80 ml to 150 ml, being common for many applications. Distributors with product volumes from 5 ml to 20 ml are contemplated for products dosed in relatively small quantities or for travel applications. For many distributors of antiperspirant / deodorant applications that have product volumes from 10 ml to 150 ml, more particularly 40 ml to 100 ml, are of particular interest. As will be evident to a person skilled in the art, the volume of the inner drum will typically be greater than the volume of the product, to accommodate the components contained therein, the component features and the production requirements.
    [022] Dispensers that have volumes from 80 to 150 ml will typically have an "area" or will rest on a bottom or base that has an area of 10 cm2 to 40 cm2, more particularly 15 cm2 to 25 cm2. Within such a range of product volumes, larger or smaller areas are possible depending on the shape of the distributor.
    [023] The distributor comprises components that are sensitive to be molded, preferably by injection molding, from any of a variety of plastic materials, preferably thermoplastics, including, for example, polyethylene, including high and low density polyethylene, polypropylene, polyesters such as polyethylene terephthalate (PET), styrene-butadiene copolymers, and the like. Polypropylene and polyethylene are of particular interest. The inner drum / outer casing structure allows for variations in materials and material colors in which the same and other distributor components can be made. Optionally, the distributor may employ one or more transparent or translucent components, with a translucent or transparent outer casing being of interest in one or more embodiments.
    [024] The double-walled structure of the distributor arises from the use of an internal drum and an external housing provided, each, as separate components that were together a structure in this document referred to as the “body assembly” or “body”. The outer casing contains the inner drum, which, on the other hand, contains the platform and, when the distributor is filled, the product to be distributed. The inner drum and outer shell each comprise a tubular side wall and a bottom wall. Together, the tubular side wall and the bottom wall define the interior space of the body component that comprises them. In each of these body components there is an opening or hole in the bottom wall, preferably in the center of the bottom wall, and such openings are desirably aligned when the inner drum is engaged with the outer shell. To allow for dimensional variations, it may be desirable to have a small gap between the bottom wall of the inner body and the bottom wall of the outer shell.
    [025] The tubular side walls can be configured for any one of a variety of different cross-sectional areas, for example, circular, square, elliptical and the like. In one or more embodiments, the cross-sectional areas that are generally oval or elliptical are of particular interest. Cross-sectional configurations of circular inner drum can give rise to additional design considerations, given the potential rotational movement of the platform. When the platform has a cross-sectional configuration in the region of the platform flap that generally conforms to that of the internal drum that it traverses. The inclusion of internal guide means or other changes to the internal surface of the internal drum and changes to the cross-sectional configuration of the platform are among the many different design options available to engineers looking to accommodate the platform and prevent the platform from rotating inside the drum. internal.
    [026] In one or more embodiments, it is preferable that the cross-sectional configuration of the tubular side wall of the inner drum generally conforms to that of the outer shell with which it makes contact, at least in relation to that portion of the side wall of the drum inner which is contained within the outer casing, so that the inner drum side wall fits, preferably by a friction fit, within the outer casing side wall. In one or more embodiments, the outer surface of the inner drum side wall and the inner surface of the outer casing side wall abut or generally join one another on a main portion of such surfaces. In an embodiment of particular interest, it is desirable that any gap between the side wall of the inner drum and the side wall of the outer casing is less than 2 mm and, preferably, less than 1 mm.
    [027] The invention also contemplates embodiments in which a portion of the cross-sectional configuration of the tubular side wall of the outer casing diverges from that of the inner drum to provide a body with a more extreme appearance, for example, waist formation, protrusions and the like.
    [028] The thickness of the tubular side walls of the distributor body may vary, that is, the inner drum and the outer shell may be thinner or thicker in different regions of the respective side walls thereof. The thickness of the sidewall depends, in part, on the size and shape of the distributor, the engineering criteria of the distributor, including the tensile forces that a sidewall or sidewall region is designed to support, the material from which the component comprising the same is manufactured, and the design of the molds from which such components are made. From an environmental and material cost perspective, it is desirable to minimize the wall thickness. From a production perspective, the reduced wall thickness can also allow for faster cycle times in molding operations. For many cosmetic applications, especially applications where the dispenser has a product volume of 40 ml to 100 ml, the side wall of the inner drum and outer shell are individually in the order of 0.5 mm to 8 mm thick , more particularly, from 0.5 mm to 6 mm thick, the combined side wall thickness of such components being on the order of 1 mm to 10 mm, more particularly, from 2 to 8 mm and, in at least one embodiment, from 2 to 5 mm. In one or more embodiments, it is desirable to reduce the side wall thickness of at least one such component to 0.5 to 4 mm.
    [029] At the distribution end, the tubular side wall of the inner drum and the outer casing each end at an upper edge. In relation to the inner drum and outer casing side walls, the distance from the upper end of the side wall to the lower end of the side wall can optionally vary by moving around the circumference of such a component, giving rise to an upper edge that is more high at some points than others, for example, the inner drum may be higher on the side of the dispenser than on the rear or front of the dispenser. This allows for flexibility in body design and can allow the top edge of the inner drum to be configured so that, near the end of the distributor's life, it is less likely to come into contact with the surface to which the product is applied. . Optionally, the upper edge of the inner drum and / or the outer casing is beveled or chamfered.
    [030] The hole in the bottom wall of the inner drum is additionally characterized as being surrounded by an inner collar that extends upwards from the bottom wall of the inner drum in the inner space of the same, and an outer collar that extends to down from the bottom wall of the inner drum. When the inner barrel is inserted into the outer shell, the outer collar extends through the hole in the bottom wall of the outer shell in the inner space of the control member.
    [031] The outer surface of the inner drum includes an outer ridge, also referred to as an interface ridge, which extends around the outer circumference of the inner drum, and in one or more embodiments, is preferably without gaps or discontinuities similar to span in the same. When the inner drum and outer shell are assembled, the top edge of the outer shell engages the outer crest to form a connection that desirably is not a rigid connection. Put another way, in one or more embodiments, it is desirable that the connection formed between the outer crest of the inner drum and the upper edge of the outer shell is preferably a “floating” connection. In one or more embodiments, it is contemplated that neither the outer crest nor the upper edge of the tubular side wall with which it engages a holding force on each other. It is also contemplated that, in one or more embodiments, no tension is applied between the outer ridge and the upper edge of the tubular side wall of the outer shell when engaged.
    [032] The connection between the outer crest of the inner barrel and the upper edge of the side wall of the outer shell is so that there is enough space for the connection to accommodate or “absorb” the dimensional variations that result in the inner barrel and / or outer shell being slightly longer or shorter than the standard for which they are designed, for example, as a result of variations in material or molding. The connection between the outer crest of the inner drum and the upper edge of the side wall of the outer casing desirably builds the dimensional tolerance in the distributor in question. In one or more embodiments, of particular interest, excluding the outer crest, there are no visible locking features present in the body assembly. In other realizations of interest, excluding the outer ridge, there are no external blocking features present on the outer surface of the body assembly. In still other embodiments, excluding the outer crest and the rotation assembly, there are no visible locking features present in the distributor,
    [033] In one or more embodiments, it is preferable that the outer ridge is configured to allow the top edge of the outer shell to pass or slide under it without a fastening feature that connects that edge and the ridge together. For example, the top edge of the outer casing can be chamfered, and the outer crest can be provided with an inverse gap or chamfer with which the top edge of the outer drum can and join or make contact.
    [034] When an elegant appearance is desired, it is preferable that the outer surface of the outer ridge is flush with that of the outer drum. Preferably, the upper edge of the inner drum is positioned on top of the outer ridge to provide space for the lid hitch. In one or more embodiments, the side wall of the inner drum above the outer ridge may extend above the side wall of the outer shell by a distance of at least 0.5 mm, more particularly, at least 1 mm, with distances between 0.5 mm and 25 mm, more particularly, between 5 mm and 15 mm, are of particular interest. The outer surface of the inner drum above the outer ridge may include a lid engaging means. Alternative embodiments are contemplated in which the outer crest itself forms the upper edge of the inner drum.
    [035] The distributor additionally includes a screw member, also referred to simply as a screw comprising a base and a threaded shaft. The threaded shaft engages the platform, and the base engages the control member. The threaded axis extends in the inner space of the inner drum for a substantial length of the side wall, forming a vertical geometric axis that the platform travels as it is advanced or retracted. In one or more embodiments, it is contemplated that the base and the threaded axis form a single integral molding, however, the realizations in which the threaded axis is molded separately from the base are also provided for. By molding the threaded shaft and the base separately, it is possible to engage the threaded shaft to the platform outside the distributor body, potentially shortening the assembly process.
    [036] The base includes a sealing means that engages the inner surface of the inner drum and a drum insert that is locked in place when the inner body, base and control member are assembled. The sealing means and the drum insert are capable of being rotated in relation to the inner collar. The sealing means engages the base with the inner surface of the inner collar. The sealing means is desirably flexible, in order to allow the section of the base containing the same to be fitted to the inner collar and to engage with the inner surface of the same in a way that allows the relative rotation between the screw and the body assembly . The sealing means must also be sufficiently inflexible in the assembled state that a desirable seal with the inner surface of the inner collar is provided.
    [037] The configuration of the sealing member is impacted by features that include the contact area, the resistance of the torsional forces applied during rotation, and the frictional force between the sealing member and the inner surface of the inner collar. Consideration of such factors can be readily taken into account by a packaging engineer when setting up an appropriate sealing medium. In one or more embodiments, the sealing means can take the form of one or more annular spheres or, more preferably, one or more annular fins or blades.
    [038] To perform the locking function described above, the drum fitting is preferably configured as a crimp or impedance that releases and fits in place above the upper edge of the inner collar in the course of assembly of the body and rotating member. portion of the base that contains the drum housing must be able to pass through both the inner and outer collars in order to secure the drum housing engagement. Once the drum fitting is engaged, it must resist being pulled back through the inner drum, that is, the lock provided by the drum fitting is “permanent”, as is the resulting engagement of the body, base and member of control.
    [039] To minimize the gaps between the control member and the body assembly, the connection provided by the rotation assembly and the body assembly must be such that the drum fitting extends beyond the upper flap of the inner collar, being that the body assembly is locked to the rotation assembly by the cooperative action of the drum fitting, the inner collar, the base and the control member. That is, the rotating assembly resists being disengaged from the body assembly due to the drum fitting that prevents it from moving downwards.
    [040] The internal and external collars are typically of a generally circular configuration. The outer collar must be sufficiently rigid to maintain control of the sensory profile and is typically more rigid than the inner collar. In the larger diameter of the same, the drum fit is typically wider than the inner diameter of the opening or hole defined by the upper edge or flange of the inner collar. To assist with assembly, the inner diameter of the opening or hole defined by the outer collar may be larger than the larger diameter of the drum fitting. The inner collar is preferably sufficiently flexible that, in the course of the assembly, the drum insert can pass through and be clicked or clicked into place above it. The inner collar can be tapered so that the opening defined by its upper edge is narrower than the opening at the base of the inner collar, thereby minimizing the force required to engage the drum fitting. The inner collar should not be so high or so long that rotation of the control member is impeded, as a taller collar can increase the surface on which friction is observed. In contrast, the inner collar should not be so short that it negatively impacts the gap between the rotating member and the distributor body.
    [041] The base additionally includes one or more shoulders that cross the inner surface of the outer collar and, by interacting with the outer collar, contribute to the sensory characteristics or “feel” of the distributor as the control member and, consequently, the screw is rotated or turned. More particularly, changes in the distance between the shoulder and the inner surface of the outer wall can contribute to a greater or lesser force that is required to turn the control member in relation to the distributor body. By slightly changing the cross-sectional configuration of the collar so that the distance between the shoulder and the inner surface of the outer wall changes when the control member is rotated, an individual can change the force required to turn the control member in the course such rotation. In one or more embodiments, the bosses can assist a user in finding an “initial” alignment position between the control member and the distributor body. Additionally, the dispenser can be configured so that the lugs provide an additional dose audible and / or sensory signal. When more than one boss is present, it is typically preferred that the bosses line up in the same horizontal plane as the base.
    [042] In one or more embodiments, the base is configured to include a shoulder and a skirt. Typically, the sealing means, snap fit and lugs are positioned on the shoulder with the sealing means that is positioned on top of the lugs and the drum fitting that is positioned on top of the sealing means. The skirt comprises a top wall and a tubular side wall that together define the interior space of the skirt.
    [043] As indicated above, in one or more realizations, it is desirable that the distributor has the capacity to be filled by the fund. For bottom filling to occur, the base needs to provide an opening for filling that extends into the inner barrel and ends in a filling hole that opens in the inner barrel. Typically, filling occurs from a nozzle or fluid injection point positioned outside the dispenser. Bottom filling is desirably carried out with the dispenser in an inverted position, with the dispensing end closed by a dome former, and the platform in the position close to the bottom wall of the inner drum. The product is introduced as a fluid, the distributor being held in an inverted position for a period sufficient to solidify, structure or gel the fluid, optionally under conditions to accelerate it. Bottom filling takes place with the inner drum, the outer casing, the screw member, the control member, the dome former and, optionally, the lid having been assembled. In some filling processes, the dome maker can be replaced with a disc that is used in production and removed after the product has solidified, allowing the dome maker to be eliminated as a distributor component, as the dome maker , when present, is usually discarded upon first use by the distributor.
    [044] To assist in filling, as well as to provide a place to fit a plug or closure after filling, the skirt preferably includes a collar or chimney depending downward that surrounds a hole in the top wall of the skirt. Above the top wall of the skirt, the chimney is surrounded by the shoulder, which is typically of a generally tubular configuration and opens in the inner space of the inner drum through the filling hole.
    [045] The invention in question also contemplates realizations in which the distributor can be filled from the top.
    [046] The screw member engages the control member to form an assembly referred to as the rotation assembly. The formation of the control member as separate components allows the most extreme conformation of the control member. In some configurations, however, it may be possible to shape the rotation assembly as a single integral component.
    [047] The control member comprises a top wall and a tubular side wall that define the interior space of the control member. A portion of the base fits within the control member and a portion of the base extends outside the control member. The portion of the base that fits within the control member includes the shoulders and the portion of the base that extends outside the control member includes the sealing means and the drum fitting. To provide a desirable aesthetic, the top wall of the control member is typically configured to correspond, preferably, relative and approximately, to the curvature, if present, of the bottom wall. As the rotating member is turned, such bottom / top wall curvatures can give rise to the impedances that contribute to the distributor's sensory profile.
    [048] When the rotating assembly and the body assembly are connected and aligned, that is, the control member is in the starting position, there is desirably a very small gap between the top wall of the control member and the bottom wall the outer casing. This span assists in the rotation and impacts the tension of the fit between the rotation assembly and the body assembly. In many applications, this span preferably does not exceed 3 mm and more preferably does not exceed 2 mm.
    [049] The platform engages with the threaded shaft and serves as a conveyor for the product contained in the distributor. The platform can be configured to fill at the bottom, fill at the top or to hold a cartridge containing the product. Consequently, the intended application largely dictates the configuration of the platform. For antiperspirant / deodorant compositions in the form of solid sticks, it is generally desirable for the dispenser to be receptive to bottom filling. In the bottom-filled dispensers, the platform comprises a plurality of openings, often defined by a skeletal structure comprising a plurality of vertical walls. Typically, the platform comprises a flap that can be continuous or intermittent, the flap of which makes contact or is positioned slightly into the inner surface of the side wall of the inner drum creating a gap in which the product can flow and solidify. The frictional force created by a gap filled with the product helps to provide a smoother axial movement of the platform that supports the product along the vertical geometric axis of the distributor. The platform should provide the desirable product hitch, typically, maximizing the available surface for product contact, while minimizing the amount of unused product that remains in the distributor at the end of the package's life. A platform of particular interest for applications filled by the fund is described in the document in PCT / EP2009 / 067504, incorporated in this document as a reference.
    [050] The distributor in question preferably provides an action to repel / propel the platform, that is, the platform can be moved up or down depending on the direction in which the control member is turned.
    [051] While the upper end of the inner drum is generally “open” when the product to be distributed is a solid stick or other relatively rigid material, when the product to be distributed is a softer material, it is generally desirable to include a head of applicator that has a plurality of openings or slits through which such a product can be distributed. In such a case, the platform may need to be modified to accommodate the softer product.
    [052] In an assembly method, the body is formed by inserting the inner barrel into the outer shell so that the outer collar of the inner barrel extends out of the opening in the bottom wall of the outer shell; the rotation member is formed separately by inserting the screw into the control member so that the base engages the control member and the threaded shaft passes through the opening in the top wall of the control member. The platform is added to the body and held in position while the threaded shaft is passed through the bottom collar and, without blocking the rotation assembly to the body, the control member is turned to engage the platform shaft and move it under the shaft to the base of the screw. Since the platform is close to the bottom end of the threaded shaft, the base can be pushed upward on the inner collar so that the drum insert snaps into place above the top edge of the inner collar. Then, the platform can be brought to its stop position at the top of the platform stop. The dome former, if present, followed by the cap, can then be mounted on the dispensing end of the distributor.
    [053] The non-limiting realizations of the distributor in question and / or components thereof are described in additional details with reference to the attached Figures which are provided by way of illustration only and should not be construed as limiting the invention in question to the realizations thus represented .
    [054] As shown in Figures 1 to 4, dispenser 10 includes inner barrel 20, outer shell 80, screw member 120, control member 180 and platform 220. Together, inner barrel 20 and shell outer body 80 form the body 12, shown in the disassembled form in Figure 1. As shown in greater detail in Figure 7D, the screw member 120 includes the base 130 and the threaded shaft 168, with the threaded shaft 168 being shown in engagement with platform 220 in Figures 3 and 4.
    [055] The dispenser 10 is shown with the dome former 240 which, in Figures 3 and 4, is mounted on the distribution end 26 of the inner barrel 20. As shown in one or more of Figures 1 to 4, the dome former 240 includes the sealing face 242 that joins the inner surface 32 of the side wall 30 of the inner barrel 20 at the dispensing end 26. The dome former 240 is also shown to include the sealing flap 244 that engages the edge 40 of the barrel inner 20 and the claw 246. The cover 260 is shown in Figures 3 and 4 mounted on the distribution end 26 of the inner drum 20. As shown in Figures 2 and 4, the cover includes the projections 262 which, in the assembled distributor, are engaged with cap fittings 38.
    [056] The outer casing 80 of the dispenser 10 is shown in further detail in Figures 5A to 5D. The inner drum 20 includes the tubular side wall 30 and the bottom wall 42. The tubular side wall 30 extends between the dispensing end 26 and the bottom end 28 of the inner drum 20. Together, the tubular side wall 30 and the bottom wall 42 define the inner space 52 of the inner drum 20. The side wall 30 has an inner surface 32 and an outer surface 34; and the bottom wall 42 has an inner surface 44 and an outer surface 48. The outer ridge 36 extends from the outer surface 34 of the sidewall 30 at a location close to the distribution end 26 of the inner barrel 20. As shown in Figure 5B , the cover insert 38 is included in the inner drum 20 and is shown in Figure 3 on the outer surface 48 in a position above the outer ridge 36. A pair of platform supports 46 extends over the inner surface 44 of the wall of bottom 42. At the distribution end 26, the side wall 30 ends at the top edge 40. A slightly outward curve of the side wall 30 between the outer ridge 36 and the top edge 40 forms the comfort top 72. As shown, the wall lateral 30 has a cross-sectional configuration that is generally elliptical.
    [057] Bottom wall 42 includes opening or hole 50. Opening 50 is surrounded by outer collar 60 which extends downwardly from outer surface 48 of bottom wall 42. Opening 50 is surrounded by inner collar 54 which extends upwardly from the inner surface 44 of the bottom wall 42 into the inner space 52 of the inner drum 10. The inner collar 54 has an inner surface 58 and an outer surface 56; the outer collar 60 has an inner surface 62 and an outer surface 68. As shown in Figures 5A and 5B, the inner collar 54 tapers to a smaller inner diameter at the upper edge 74 of it, whose diameter is shorter than the inner diameter of the outer collar 60 at the lower edge 76 thereof. A plurality of tabs 70 are positioned on the outer surface 68 of the outer collar 60. The inner flap 64 extends inwardly from the inner surface 62 of the outer collar 60. As shown in Figures 5B and 5C, the outer collar 60 includes a pair of grooves or slots 66. Separated from the opening 50, the bottom wall 42 seals the bottom end 28 of the inner drum 20.
    [058] The outer casing 80 of the dispenser 10 is shown in greater detail in Figures 6A and 6B. The outer shell 80 includes the tubular side wall 90 and the bottom wall 98. The tubular side wall 90 extends between the top end 86 and the bottom end 88 of the outer shell 80. Together, the tubular side wall 90 and the the bottom wall 98 defines the inner space 108 of the outer shell 80. The side wall 90 has an inner surface 92 and an outer surface 94, and the bottom wall 98 has an inner surface 100 and an outer surface 102. At the top end 86, the side wall 90 ends at the top edge 96, shown in Figure 6A as chamfered. As shown in Figure 4, the upper edge 96 is engaged with the outer ridge 36 of the inner drum 20. The side wall 90 is shown to have a cross-section which is generally elliptical. As illustrated in one or more of Figures 1 to 4, the outer surface 94 of the sidewall 90 of the outer casing 80 generally follows, that is, conforms, to the contour of the inner surface 34 of the sidewall 30 of the inner drum 20. As shown in Figure 4, in the mounted distributor 10 there is a small gap 16 between the bottom wall 42 of the inner drum 20 and the bottom wall 98 of the outer shell 80.
    [059] As shown in Figure 6B, the bottom wall 98 includes an opening or hole 104 that has a plurality of indentations 106 along its periphery. Separated from the opening 104, the bottom wall 98 seals the bottom end 88 of the outer casing 80. As shown in the mounted dispenser 10 of Figures 3 and 4, the outer collar 60 of the inner barrel 20 extends through the opening 104 of the casing wall. bottom 98 of the outer shell 80 and the tabs 70 of the outer collar 60 align with the indentations 106 of the opening 104.
    [060] The screw member 120 is shown in further detail in Figures 7A to 7D. The screw member 120 includes the base 130 which includes a skirt 132 and a shoulder 156. The skirt 132 includes the side wall 150 and the top wall 134. The top wall 134 has an upper surface 136 and a lower surface 138, and additionally includes the opening or hole 142. As shown in Figure 4, the filling collar 140 surrounds the opening 142 and extends downwardly from the top wall 134. The filling collar 140 is closed by inserting the plug 280.
    [061] Shoulder 156 extends upward from opening 142 in top wall 134 of skirt 132. As illustrated, shoulder 156 includes a pair of shoulders 160. Upon rotation of the control member 180, shoulders 160 pass through the flap inner 64 of the outer collar 60, moving in and out of the slits 66 and, as they do so, changing the torque required to rotate the control member. The sealing means 158 includes a pair of flexible annular fins 158a and 158b, positioned above the shoulders 160. The shoulder 156 includes the drum insert 162. The shoulder 156 includes the filling hole 164 by connecting rods 166. As shown in Figure 7A, the rods 166 mount the threaded shaft 168 on the base 130. The bottom side of the rods 166 is shown in Figure 7D, which also represents the bottom edge 174 of the side wall 150 of the skirt 132. The threaded shaft 168 includes the section fall protection 170 and screw tip 172.
    [062] Control member 180 is shown in further detail in Figures 8A to 8D. The control member 180 includes the top wall 182 and the side wall 198 which together define the interior space 206. The top wall 182 additionally includes the opening or hole 188. The screw member 120 and the control member 180 form the rotation assembly 14, shown not assembled in Figure 1, which engages the body 12. As shown in Figure 8B, the control member 180 includes the stop strip 204 and ball stop 208. Figure 4 shows the stop strip 204 engaged with the top wall 134 of the skirt 132 and the ball stop 208 engaged with the bottom edge 174 of the side wall 150 of the skirt 132.
    [063] Platform 220 is illustrated in further detail in Figures 9A to 9C. As shown, platform 220 includes shaft 224 which has a pair of gas outlet stops 226. As illustrated on the assembled manifold, shaft 224 is engaged with threaded shaft 168. Fill ring 222, curved walls 228 and divisions 230 provide platform 220 with a skeletal structure for retaining the product (not shown). Platform 220 additionally includes flap 232.
    权利要求:
    Claims (13)
    [0001]
    1. DISTRIBUTOR FOR THE APPLICATION OF COSMETICS PRODUCTS (10), which comprises: i. an inner drum (20) comprising a tubular side wall (30) and a bottom wall (42) which together define an inner space (52) of the inner drum (20), wherein the bottom wall (42) of the drum inner (20) includes an opening (50) surrounded by an inner collar (54) extending upwardly from such a bottom wall (42) into the inner space of the inner drum (20) and an outer collar (60) that extends downwardly from the bottom wall (42) of the inner drum (20), the inner collar (54) and the outer collar (60) each having an inner (58) and outer (56) surface ); wherein the tubular side wall (30) of the inner drum (20) ends at its upper end at an upper edge, the tubular side wall (30) of the inner drum (20) additionally comprising an outer ridge (36) which it is optionally chamfered ii. an outer shell (80) comprising a tubular side wall (90) and a bottom wall (98) that together define an inner space (108) of the outer shell (80) that holds the inner drum (20), the tubular side wall (90) of the outer casing (80) ends at its upper end at an upper edge which is optionally chamfered; iii. a screw member (120) comprising: 1) a base (130) comprising: a) one or more shoulders (160), b) a sealing means (158), and c) a drum fitting (162); and ii) a threaded shaft (168); iv. a mobile platform (220); ev. a control member (180) comprising a tubular side wall (198) and a top wall (182) which together define an interior space (206) of the control member (180), wherein: vi. the inner space of the outer shell (80) surrounds the inner barrel (20), the outer crest (36) of the inner barrel (20) engages the upper edge of the outer shell (80); and the inner drum (20) and outer shell (80) do not move relative to each other; vii. wherein the sealing means (158) and the drum fitting (162) are rotatable with respect to the inner collar (54); the distributor (10) characterized by: viii. the outer collar (60) of the inner drum (20) extends outside the inner space (108) of the outer shell (80) through an opening in the bottom wall (98) of the outer shell (80); ix. the screw member (120) engages with the control member (180) so that a portion of the base is contained within the interior space of the control member (180) and a portion of the base extends through an opening in the wall of top (182) of the control member (180) on the inner collar (54) of the inner barrel (20) and engage the sealing means (158) with the inner surface of the inner collar (54) and lock the barrel housing (162 ) in place above the inner collar (54); x. . the outer collar (60) of the inner barrel (20) extends into the inner space of the control member (180) through the opening in the top wall of the control member (180) so that the outer collar (60) cooperates with the shoulders (160) of the screw base; xi. at least a portion of the tubular side wall (30) of the inner drum (20) extends above the inner space of the outer shell (80); exii. the upper edge of the inner drum (20) is positioned on top of the outer ridge (36).
    [0002]
    2. DISTRIBUTOR (10) according to claim 1, characterized in that the base additionally comprises a filling orifice that opens inside the inner drum (20).
    [0003]
    3. DISTRIBUTOR (10), according to claim 1, characterized by having the capacity to be filled from the bottom.
    [0004]
    4. DISTRIBUTOR (10), according to claim 1, characterized by the outer collars (60) of the inner drum (20), each defining inner diameters, with the outer collar (60) which has an inner diameter that is larger than that of the inner collar (54) where it opens in the inner space of the inner drum (20).
    [0005]
    5. DISTRIBUTOR (10), according to claim 1, characterized in that the outer ridge (36) is flush with the outer surface of the outer shell (80) where they engage.
    [0006]
    6. DISTRIBUTOR (10), according to claim 1, characterized in that, when engaged, there is no tension applied between the outer crest (36) and the upper edge of the tubular side wall (90) of the outer shell (80).
    [0007]
    7. DISTRIBUTOR (10), according to claim 1, characterized in that the inner drum (20) and the outer shell (80) form an assembly in which, excluding the outer ridge (36), there are no visible locking features present.
    [0008]
    8. DISTRIBUTOR (10) according to claim 1, characterized in that the outer collar (60) additionally comprises at least one notch with which the shoulders move in and out of engagement as the control member (180 ) is rotated.
    [0009]
    9. DISTRIBUTOR (10), according to claim 1, characterized in that excluding the outer collar (60), the bottom wall (42) of the inner drum (20) is integrally contained within the inner space of the outer shell (80) .
    [0010]
    10. DISTRIBUTOR (10), according to claim 1, characterized in that the tubular side wall (30) of the inner drum (20) fits, by friction, inside the tubular side wall (90) of the outer casing (80).
    [0011]
    11. DISTRIBUTOR (10), according to claim 1, characterized in that the bottom wall (98) of the outer casing (80) and the top wall (182) of the control member (180) have curvatures that are configured to match against each other.
    [0012]
    12. DISTRIBUTOR (10) according to claim 1, characterized by any gap between the tubular side wall (30) of the inner drum (20) and tubular side wall (90) of the outer casing (80) is less than 1 mm .
    [0013]
    13. DISTRIBUTOR (10), according to claim 1, characterized in that neither the outer ridge (36) nor the upper edge of the outer shell (80), with which the outer ridge (36) engages, exert a force of retention in each other.
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    同族专利:
    公开号 | 公开日
    US20130193167A1|2013-08-01|
    WO2013113723A1|2013-08-08|
    US8875955B2|2014-11-04|
    ES2563187T3|2016-03-11|
    EP2809200B1|2016-01-13|
    CA2861944A1|2013-08-08|
    CA2861944C|2020-04-14|
    AR089847A1|2014-09-24|
    EP2809200A1|2014-12-10|
    PL2809200T3|2016-07-29|
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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]|
    2019-12-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-22| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|
    2021-02-09| B25A| Requested transfer of rights approved|Owner name: UNILEVER IP HOLDINGS B.V. (PB) |
    2021-03-16| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/01/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201261593165P| true| 2012-01-31|2012-01-31|
    US61/593,165|2012-01-31|
    PCT/EP2013/051731|WO2013113723A1|2012-01-31|2013-01-30|Dual-walled dispenser|
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