JP3210937U - Pressurized container with hollow head and additional gas inlet valve - Google Patents

Abstract

Disclosed is a container comprising a dispensing head and a dispensing valve that are particularly suitable for spraying cosmetics. A container pressurized by non-liquefied compressed gas, open at two opposing axial ends, open at two opposing axial ends, and at least a dispensing orifice And a dispensing valve comprising a valve body equipped with an additional gas suction orifice and an internal restrictor. [Selection] Figure 1

Description

  The present invention relates to a dispensing head used for dispensing a product contained in a container, in particular for spraying it.

  More particularly, but not exclusively, the present invention relates to a spray head intended to be fitted onto a pressurized container containing a cosmetic product.

  Many spray heads with one or several dispensing orifices have been proposed. There are a number of parameters that must be taken into account when designing the spray head.

  First of all, the generated spray should have a particle size distribution suitable for application. In this regard, the droplet size should not be too small or too large.

  Moreover, the spray produced should be delivered at the required flow rate and the spray head should not expose the product flow to excessive pressure loss.

  Similarly, the shape of the spray should correspond to the intended application and therefore in some cases should be able to cover a more or less wide area.

  Finally, the spray head should be aesthetically pleasing to the consumer and its manufacture should meet the requirements of mass production.

European Patent Application No. 1052023 International Publication No. 2011-066543 Pamphlet European Patent Application Publication No. 2800632

  The invention aims to propose a novel dispensing head which is very particularly suitable for spraying cosmetics.

  U.S. Patent No. 6,057,051 discloses a spray head comprising a dispensing orifice defined between a closure member having a frustoconical portion and the body of the head. The closure member is opened by deformation of the frustoconical part under the pressure of the product being dispensed. A conical and hollow spray is formed at least near the head.

  U.S. Pat. No. 6,057,077 discloses various arrangements of spray heads in which a spray orifice is defined between a peripheral part and a central part connected to each other by a bridge of material.

Patent document 3 belonging to the applicant is a dispensing head intended to be fitted onto a container containing at least one product to be dispensed,
-A body that is open at its two opposite axial ends;
-An engagement portion that is open at its two opposite axial ends and at least partially defines a dispensing orifice;
A dispensing head comprising:
When the container is pressurized with a non-liquefied compressed gas, eg compressed air, the pressure in the container is generally limited to about 12 × 10 ⁵ Pascals. As the product is dispensed, the pressure in the container decreases. The result is that since the initial pressure is capped, at the end of dispensing or spraying, the pressure may be insufficient to spray properly due to mechanical effects at the dispensing orifice.
-In addition, for multi-product dispensing, the dispensing valve rod can be tilted, even if the device is in a "head-up" position where the dispensing valve rod is tilted or vertical and facing upwards. It is desirable to be able to actuate the dispensing head of the device, whether in a “head-down” position, which is vertical or down.
-Two such use options exist especially when the container is allowed to contain cosmetics intended to be applied to the entire body, such as tanning products or care products.
-Therefore, still
-It is practical to use, especially when going out,
-Can be aesthetically appealing,
-Deliver the product to any location, especially if the device is held head down;
-Has a sufficient discharge rate,
-Providing improved spraying without emptying the pressurized gas pressurized container too quickly,
There is a need to provide packaging suitable for cosmetic compositions such as care oils, creams or gels.

The present invention meets this need with a container pressurized with non-liquefied compressed gas. The container is
-A body that is open at its two opposite axial ends;
A dispensing head comprising: an engagement portion that is open at its two opposite axial ends and at least partially defines the dispensing orifice; an additional gas inlet orifice (71) and an internal restrictor (72); A distribution valve (60) including a valve body (77) equipped with

  The particular valve used in accordance with the present invention comprises a separate individual inlet orifice. One is for liquid products (optionally as a mixture with solid particles). It forms a restrictor in the valve body, called the “internal restrictor”. Another termed “additional gas inlet orifice” is for the propellant gas. Two individual orifices lead to the mixing chamber. Within this chamber, the liquid product stream and the propellant gas stream are mixed to produce the resulting product. The latter is ejected through an exit orifice called a “spray nozzle”.

  Distributing products without changing flow rates both when the device is positioned "head up" and when the device is positioned "head down" by providing additional gas intake and internal restrictors on the valve Is possible.

  The invention makes it possible to use a dispensing head comprising a body and an engagement part as defined above for spraying cosmetics on more difficult body areas such as the sole or back of the foot. In particular, even if the user flips or tilts the device, the distribution is still possible. Regions that are difficult to reach can now be treated as efficiently as the face or neck, for example by care products or tanning products.

  In particular, the dispensing orifice is preferably defined between the body and the engagement portion, but may alternatively be entirely defined by the engagement portion.

  By means of the present invention, a passage is formed through the dispensing head, more particularly through the body and the engagement part, making it possible to establish a flow of air through the head when the product to be dispensed is discharged, This can prove to be advantageous when the product is released in the form of a spray, making it possible to create an air flow through the head as it follows the flow of spray.

  Furthermore, the dispensing head has an appearance that clearly proves to be particularly attractive to the consumer, clearly contrasting with the usual beauty of known dispensing heads.

  Moreover, the passage through the head can be produced with dimensions sufficient to allow a finger or hair to be inserted into this passage as required. This can make it easier to apply the product to fingers or hair.

If desired, the present invention can also make it easier to produce a dispensing orifice having an annular cross section between the engagement portion and the body, allowing the formation of a hollow spray. Alternatively, a plurality of dispensing orifices are formed between the body and the engagement portion, for example to dispense the product in the form of several sprays or jets. The number of dispensing orifices may in particular be greater than or equal to 10, better still greater than or equal to 20 and better still (even better still) greater than or equal to 30. It's okay. Each dispensing orifice, for example, greater than or equal to than 0.003 mm ^2, further have equal cross-section greater than or 0.006 mm ² to be good, apart preferably by a distance greater than 1mm from each other (Measurement along a straight line between the centroids of the orifices).

  In another variation, several dispensing orifices are formed entirely within the engagement portion. The orifices can be constructed such that the jet exiting each orifice is swirled by at least two spiral ducts that are directed tangentially around the axis of the orifice. The engagement portion may have a U-shaped axial one-sided cross section. The body may have two concentric mounting skirts with an engagement portion between them. The body may comprise a crown into which the engagement portion is inserted, which crown may optionally include a duct for providing a dispensing orifice, in particular a spiral duct, together with the engagement portion. Have a relief.

  The body may define a housing that receives the engagement portion, in which case the engagement portion is referred to as a core.

  One or more dispensing orifices may be opened at device installation. The expression “when the device is installed” should be understood to mean before the engaging part is exposed to the pressure of the product to be dispensed. Thus, in this case, one or more dispensing orifices are already formed and open when the product is sent to the head for dispensing. Alternatively, the dispensing orifice is formed by the elasticity of at least a portion of the body or engagement portion that deforms under product pressure when the product is dispensed, for example when the product is dispensed.

  According to the invention, in the case of a spray, the spray can be discharged at a relatively high flow rate, if necessary, with a spray head having a relatively simple design and functioning reliably. In particular, the dispensing orifice can be produced to have a well-defined dimension. Furthermore, the dispensing head may be aesthetically pleasing to the consumer.

  The body may have a first surface that expands outward or converges toward the exterior, and the engagement portion faces the first surface, diverges outward, or converges toward the exterior. You may have the 2nd surface to do. The first surface may be conical. The second surface may be conical having the same angle as the first surface or having a larger or smaller angle.

  The different angles that result in the expansion of the space created between the engagement part and the body as it approaches the dispensing orifice, when the bubble is dispensed, the bubble expands and slows down before exiting the dispensing orifice. May be preferred to enable

  Different angles that result in a narrowing of space can lead to acceleration of the jet before it exits, which can be advantageous in the context of spraying.

  There may be one or more dispensing orifices, and the one or more dispensing orifices may have an annular shape or some other shape. The distribution orifice may have a constant width in the circumferential direction. One or more dispensing orifices can be defined between two concentric rotating surfaces, for example in the form of a rotating cylinder.

  The one or more dispensing orifices may have axial symmetry, preferably rotational symmetry, especially around the dispensing axis. The dispensing axis is defined by the general direction in which the product is dispensed by the head.

  Preferably, the engaging portion is attached, thereby facilitating manufacture of the engaging portion and the main body. Alternatively, the engagement part is shaped as part of the body, especially in the case of foam dispensing, in which case the dispensing orifice can have a larger cross section than in the case of spraying.

  The space formed between the body and the engagement part is supplied by at least one supply duct, the cross section of which is preferably larger than the distribution orifice cross section, so that before the product emerges through the distribution orifice. It becomes easier to fill this space.

  The product delivery chamber may advantageously be formed upstream of the dispensing orifice between the engagement part and the body. This can make the discharge of a homogeneous spray particularly easier.

  A supply duct for the product may open into this chamber, which preferably has an annular shape. Its width corresponding to the gap between the engagement part and the body is preferably greater than the maximum width of the passage, through which the delivery chamber communicates with the dispensing orifice.

  At least one of the body and the engagement portion, preferably the body is at least one relief for centering the engagement portion relative to the body, preferably at least 10, better still at least 20, more Good may have at least 40 reliefs. These reliefs may extend to the edge of the part that is produced to produce multiple orifices from which the product jets exit, and the centering reliefs are especially parallel to or about the same axis as the dispensing axis. It is possible to define cross-sectional narrowings between each other that are oriented obliquely and optionally to accelerate the jet of the product. This or these reliefs are preferably set back from the dispensing orifice when it is desired to produce the spray in the form of a single jet. The relief can be produced on the body, for example, in the form of axial ribs regularly distributed around the entire surface of the body opposite the engagement portion.

  The centering relief may optionally only ensure that the engagement portion is held on the body. Alternatively, the engagement portion is secured to the body somewhere other than within the centering relief area, where the centering relief has or has the function of holding the engagement portion on the body. It is possible not to.

  Preferably, the engaging portion is fixed to the main body. Alternatively, the engagement portion may be, for example, by screwing the dispensing orifice a quarter turn, for example to allow the user to adjust the width of the dispensing orifice or to close the dispensing orifice when not in use. The screw is fixed so as to be adjustable, and this screwing is accompanied by an axial movement of the engaging portion with respect to the main body.

  The engagement portion may be flush with the front end of the body so as to produce a spray having an axis that is substantially parallel to the axis of the engagement portion.

  The engagement portion may extend axially beyond the front end of the body by an amount between 0 and 1 mm, and better still between 0 and 0.5 mm. In that case, the spray may diverge away from the axis of the engaging part.

  The engagement portion may be retracted axially from the front end of the body by an amount between 0 and 1 mm, and better still between 0 and 0.5 mm. In that case, the spray may diverge so as to converge toward the axis of the engaging portion.

  The present invention makes it possible to easily produce a dispensing orifice having a circular internal contour if necessary. The inner diameter of the passage formed through the head is, for example, greater than or equal to 10 mm, and better still greater than or equal to 15 mm, 20 mm, or 30 mm. When the passage does not have a circular cross section, the “inner diameter” indicates the diameter of the largest circle inscribed in the passage.

  The head may include at least two housings and two engagement portions disposed within the housing and each defining a dispensing orifice according to the present invention with the body during device installation. In that case, the distribution axes may be parallel or non-parallel, and may or may not intersect, for example, may converge towards each other.

  The dispensing orifice may have an axis that converges or diverges with respect to the spray direction in an axial cross-section.

  Advantageously, the diameter of the additional gas inlet orifice is greater than or equal to the diameter of the internal restrictor.

  The resulting spray is therefore fine, visually pleasing and similar to dry mist.

Preferably, if the cross-sectional area of the orifice ranges from 0.01 mm ² to 0.1 mm ² , a diffusion head with 5 to 20 holes is used.

  This makes it possible to imagine a range of possibilities for both the number of orifices and the cross-sectional area or force of the spray. Similarly, the amount of gas can be reevaluated according to requirements.

  According to another aspect of the present invention, a further subject of the present invention is a container with a dispensing head according to the present invention.

  The product may be a cosmetic product to be dispensed in the form of a spray or foam.

  The container may be a pressurized container with a hollow valve rod inserted into a housing in a head suitable for holding the rod, for example.

  The present invention may be better understood upon reading the following detailed description of an example, non-limiting implementation thereof, and examining the accompanying drawings.

It is a schematic perspective view of the example of the distribution head produced by this invention before the engaging part is fitted on the main body of a head. It is a figure which shows the distribution head after an engaging part was fitted in the main body. It is a fragmentary sectional view similar to FIG. It is a figure which shows arrangement | positioning of an engaging part and a main body. It is a figure which shows arrangement | positioning of an engaging part and a main body. It is a figure which shows arrangement | positioning of an engaging part and a main body. It is a figure which shows arrangement | positioning of an engaging part and a main body. It is a figure which shows arrangement | positioning of an engaging part and a main body. It is a figure which shows arrangement | positioning of an engaging part and a main body. FIG. 4 shows the possibility of creating a dispensing head with two dispensing orifices according to the invention. FIG. 3 is a front view of a dispensing head having concentric dispensing orifices. It is an axial sectional view which passes the modification of embodiment of an engaging part. It is various examples of the structure of the engaging part of FIG. 7 as a partial front view. It is various examples of the structure of the engaging part of FIG. 7 as a partial front view. FIG. 6 is an axial fragmentary sectional view through an alternative embodiment of a dispensing orifice. Figure 10 is a front view of various examples of configurations along X according to Figure 9; Figure 10 is a front view of various examples of configurations along X according to Figure 9; FIG. 4 is a diagram of a variation of the head embodiment similar to FIG. 2. It is a figure which shows the example of various arrangement | positioning of the relief on a main body. It is a figure which shows the example of various arrangement | positioning of the relief on a main body. It is a figure which shows the example of various arrangement | positioning of the relief on a main body. It is a figure which shows the various examples of a structure of the engaging part with respect to a main body. It is a figure which shows the various examples of a structure of the engaging part with respect to a main body. It is a figure which shows the various examples of a structure of the engaging part with respect to a main body. FIG. 6 is an axial fragmentary sectional view through a variation of the embodiment of the dispensing orifice. It is sectional drawing in alignment with XV of FIG. FIG. 15 is a diagram of an exemplary embodiment of a body according to FIG. FIG. 15 is a cutaway perspective view of an example of a distribution head having the configuration of FIG. 14. It is longitudinal direction sectional drawing of an additional gas suction valve.

  In the drawings, for the sake of clarity, the actual proportions of the various components are not always considered.

  The dispensing head 1 shown in FIGS. 1 to 3 is on a container (not shown) with a hollow valve rod or hollow pump rod in which the product to be dispensed contained in the container is conveyed towards the head 1. It is intended to be fitted.

  This container may in particular be an aerosol can type pressurized container containing a propellant gas such as, for example, compressed air. The container may contain at least one cosmetic compound, dermatological compound, or other compound, particularly directed to home applications. The product may be sprayed or dispensed differently, for example in the form of bubbles. The weight ratio of the gas in the cosmetic composition may be greater than or equal to 50%, in particular in the case of alcoholic cosmetic compounds, in particular between 50% and 60%, in particular In the case of cosmetic compounds in the form of emulsions, it may even be between 70% and 80%, and in particular in the case of anhydrous cosmetic compounds it may be between 80% and 95%. The cosmetic compound to be dispensed may be a mixture of water, alcohol, oil and gas.

  The container comprises a valve, which may be opened, for example, by pushing the hollow rod, or alternatively by opening the hollow rod. When the container comprises a pump, this pump can be activated, for example, by pushing a hollow rod along its longitudinal axis.

  The head 1 includes a main body 3, and the main body 3 may be integrally manufactured by molding a single portion, or may include a plurality of elements that are individually manufactured and joined to each other.

  As can be seen in FIG. 2, the dispensing head 1 engages with the hollow rod to allow the product delivered through the hollow rod to reach the supply duct 7 which opens into the housing 8 in the body 3. A housing 6 intended to be fitted can be provided. The housing 6 has a size adapted to the outer diameter of the rod so as to obtain a sealing fit of the rod within the housing 6 in order for the product delivered through the rod to completely enter the supply duct 7. . The supply duct 7 is, for example, coaxial with the container rod, but may be oriented in some other direction, for example having a plurality of parts oriented differently.

  Engagement portion 10 is referred to in the following text as a core when in the body and is secured within housing 8 to define a dispensing orifice 12 having, for example, an annular cross section with body 3 as shown. To do.

  The expression "annular cross section" means in the meaning of the invention any cross-section that traces this closed contour, whether the closed contour is circular, elliptical, polygonal or some other shape. It should be understood to mean.

  Passing axially through the core 10 is an opening 90, whose inner diameter D may be relatively large, for example 10 mm, better still greater than or equal to 15, 20, or 30 mm.

  The opening 90 helps to give the head a particularly aesthetic appearance. In addition, the opening 90 can allow air to flow through the head under the entrainment effect of the spray emitted through the dispensing orifice 12. This can help to increase the range of spraying and, if required, can increase the freshness effect / influence caused thereby.

  The opening 90 may also allow a finger or hair to be inserted through the head, thereby allowing the product to be applied in a single motion around the entire circumference of the element inserted through the head. be able to. This can be an advantage, for example for applying a disinfectant product or a care product to the finger or for treating the hair.

  The distribution axis Z may be perpendicular to the longitudinal axis X of the container in which the head is fitted, as shown.

  The head 1 comprises a base 92 that defines a surface 4 that can be pushed by a user to cause dispensing.

  The bottom of the base 92 can be extended by a sealing skirt 93 that covers the top of the container.

  The housing 8 that receives the core 10 is defined by the crown 94 of the axis Z, and the underside of the crown 94 is joined to the base 92. The supply duct 7 passes through the base 92 and enters the housing 8 at a distance along the axis Z from the axial end of the crown 94 and is preferably closer to the rear end 94a than to the front end 94b as can be seen in FIG. .

  The body 3 may have a shoulder 95 near the rear end 94a, as shown, and the core 10 may abut against the shoulder 95 axially at the end of its fit, if required. it can.

  The core 10 and the housing 8 can bring the annular surfaces 96 and 97 into sealing contact in order to close the space formed between the core 10 and the body 3 behind the supply duct 7.

  Preferably, the circumferential width l of the distribution orifice 12 around the spray direction Z is constant. For example, if this width l changes to take into account the possibly non-uniform pressure loss experienced by the product flow upstream of the dispensing orifice 12, this does not depart from the scope of the present invention. . This non-uniform pressure loss results, for example, from the presence of the geometric geometry of the space between the core and the body, in particular the angle or intersection. By varying the width l, it is possible to ensure that the product can be more easily exited when this pressure loss is maximum if a spray that is as homogeneous as possible is desired.

  The width l of the dispensing orifice is for example between 0.01 mm and 0.15 mm for the purpose of spraying and between 0.5 mm and 2 mm for the purpose of dispensing bubbles.

  The core 10 can be fixed to the main body 3 by various methods. In the example shown in FIGS. 1 to 3, the core 10 is held on the main body 3 by friction.

  In the illustrated example, the core 10 is produced separately from the main body 3 and attached to the main body 3. The core 10 can be produced from the same thermoplastic material as the body 3 or alternatively from a different thermoplastic material. It is also possible to produce the core 10 using a metal material.

  As can be seen in particular in FIGS. 1 and 3, axial ribs 38 are formed on the inner circumference of the housing 8 in order to place the core 10 in the center of the housing 8. As shown in FIGS. 12A to 12C, the centering relief 38 may be parallel or oblique in the circumferential direction with respect to the axis Z, or may be curved. When viewed in a top view, each relief 38 may have a polygon, in particular a square or trapezoidal profile, or may have a profile that extends in the direction of the dispensing edge. The two centering reliefs 38 may define a constriction 39 between each other near the dispensing orifice so as to accelerate the fluid via the venturi effect. The number of centering reliefs 38 is preferably at least 10, better 20 and better 40.

  The space 22 formed between the core 10 and the main body 3 has a configuration schematically shown in FIG. 4A and is between two surfaces 3a and 10a in the shape of a rotating cylinder centered on the axis Z. May be connected to the dispensing orifice 12 by an annular end portion 22c formed in

  The end wall 22c is attached to the proximal portion 22a by an inclined middle portion 22b formed between the opposing surfaces 3b and 10b.

  A centering relief 38 extends into the proximal portion 22a. Proximal portion 22a is supplied with product via delivery chamber 22d.

  When the user activates the dispensing head 1, the product can pass through the supply duct 7 into the space 22 between the core 10 and the body 3 and be delivered in the form of a spray through the dispensing orifice 12.

  In the example of FIGS. 1 to 3, the spray is angularly continuous around the dispensing axis because there is no contact between the core 10 and the body 3 in the region of the dispensing orifice 12. Specifically, the one or more bearing areas between the core 10 and the body 3 are measured at a distance of at least 0.5 mm from the dispensing orifice 12 (measured along the dispensing axis Z, for example, as shown). ) Is set back only.

  The spray may be angularly discontinuous around the dispensing axis due to the contact between the core 10 and the body 3 when the product exits, especially at the relief 38.

  Preferably, the cross section of the supply duct 7 is larger than the cross section of the distribution orifice 12 so as to allow the product to quickly fill the space installed upstream of the distribution orifice, which is from the beginning of the spray. Allows to help form a uniform spray properly.

  A delivery chamber 22 d formed upstream of the space 22 a in which the centering relief 38 extends receives the product delivered through the supply duct 7.

  The width ω of the delivery chamber 22d is greater than the width l of the end portion 22c leading to the dispensing orifice 12.

  The delivery chamber 22d improves product delivery before the product reaches a narrow portion of the passage through which the product is discharged.

  4B and 4C show other examples of different possible configurations of the space 22 formed between the core 10 and the body 3 for the product to flow into the dispensing orifice.

  In the example of FIG. 4B, the space 22 formed between the core and the body comprises a proximal portion 22a in which the centering relief 38 of the core 10 extends relative to the body 3, wherein the proximal portion 22a is sprayed. It is extended by an intermediate portion 22b forming an angle with respect to the direction Z, for example a concave angle. This intermediate portion 22b can be attached to a distal portion 22c leading to the dispensing orifice 12, which is, for example, in the form of a rotating cylinder and parallel to the dispensing direction Z, as shown, on the two surfaces 3a and 10a. Is defined between. The variation in FIG. 4B does not have a delivery chamber.

In the variation in FIG. 4C, the end portion 22c communicates directly with the portion 22a from which the centering relief 38 extends. The end portion 22c forms an angle with the distribution direction Z, for example. Thus, the axial half-section view, the axis Z ₁ of the orifice 12, for example, converge as shown.

  In the variant in FIG. 4D, the engaging part 10 is outside the body 3. The engaging portion 10 is fixed to the main body 3 so as to form a delivery chamber 22 d facing the supply duct 7 together with the main body 3. Portions 22a, 22b, and 22c allow product to be delivered to dispensing orifice 12.

  The supply duct 7 opens into the delivery chamber 22d, for example, via a part oriented parallel to the distribution axis Z.

  The centering relief 38 is produced on the main body 3, for example. The engagement portion 10 can be produced as shown with an annular lip 39 that partially delimits the delivery chamber 22d and between the chamber 22d and the proximal portion 22a. A narrow portion 47 of the cross section is formed.

Figure 4E shows the possibility of having an angle of divergence between the axis Z ₂ of the orifice 12 and the distribution shaft in one axial section view.

  The variant in FIG. 4F shows the possibility of not having an angle between the distribution axis and the axis Z of the engagement part 10. The supply duct 7 leads to, for example, a delivery chamber 22d. The product is conveyed towards the dispensing orifice 12 via the duct 22 with the relief 38. The relief 38 extends to the edge of the dispensing orifice 12 and defines a plurality of orifices that allow delivery of the product in the form of a plurality of jets.

  The present invention is not limited to a dispensing head with only one dispensing orifice 12 produced according to the present invention.

  As an example, FIG. 5 shows a dispensing head 1 comprising two dispensing orifices 12.

  When there are multiple dispensing orifices, these dispensing orifices may be distributed in multiple directions on the dispensing head. For example, the spray axes are parallel or, for example, the spray axes intersect to form an angle.

  7, 8A, and 8B illustrate the possibility that the dispensing head has a plurality of dispensing orifices 12 formed generally within the core 10 to dispense the product, for example, in the form of a plurality of jets. The dispensing orifice 12 may have a number of shapes when viewed along the horizontal axis, and may be particularly circular or triangular as shown in FIGS. 8A and 8B. The dispensing orifice 12 may be cut into the core 10 by, for example, laser cutting.

  The core 10 may have a U-shaped axial unilateral cross section, as shown in FIG. The main body 3 may include two concentric mounting skirts 41 that define a space for mounting the core 10 therebetween, and a crown 43 that serves to support the engaging portion 10 at the center thereof. Good. The skirt 41, together with the crown 43, defines two annular ducts 45 into which U arms fit. The crown 43 may have for each orifice 12 two ducts 22 for supplying liquid to the orifice 12.

  During mounting, as shown in FIGS. 14 and 17, the core 10 can carry against the pad 43, and the end face 48 of the crown 43 contacts the inner surface 11 of the core 10. The U arm of the core 10 is fixed in the duct 45, and the inner surface 46 of the mounting skirt 41 contacts the surface 13 of the core 10. The inner surface 14 of the U arm and the outer surface 49 of the crown 43 may define a duct 22 between them for supplying liquid to the dispensing orifice 12. The crown 43 may have a supply duct 23 on its outer surface 48 that allows liquid to pass from the supply duct 22 to the distribution orifice 12, particularly in the form of an indentation.

  The supply duct 22 leads to a supply duct 23 that reaches the distribution orifice 12 upstream of the distribution orifice 12. The supply duct 23 generates a swirl at the outlet of the distribution orifice 12 depending on the direction relative to the distribution orifice. This configuration is more particularly useful in the case of non-liquefied carrier gas.

  In one variation, the supply duct 22 may take the form of a recess on the outer surface 49 of the body and / or on the inner surface 14 of the core 10.

  In another variant (not shown), the core 10 possesses a supply duct 23, in particular in the form of a recess on its inner surface 11, and the end face 48 of the crown 43 can be smooth.

  In one variation, the crown 43 is not continuous in the circumferential direction and defines a pad. The pad is placed upstream of the dispensing orifice 12 and may have supply ducts 22 and 23 as described above upstream of the dispensing orifice 12.

In the variants in FIGS. 4F, 9 and 10, the dispensing orifice 12 is formed between the core 10 and the body 3 and is distributed, for example, all around the spray axis Z. The core 10 or body 3 may have a centering relief 38 that circumferentially delimits the dispensing orifice 12. The centering relief 38 extends to the edge of the core 10 over its entire circumference, as shown in FIGS. 12A-12C, and defines the dispensing orifice 12 therebetween. The number of dispensing orifices 12 is preferably at least 10, better 20 and better 40. The cross-sectional area of the distribution orifice 12 is larger than 0.003 mm ² , for example. The dispensing orifices 12 are preferably spaced apart by a space of at least 1 mm, which is the same as the pitch p between the centering reliefs. As shown in FIGS. 10A and 10B, the dispensing orifice 12 can have a polygonal cross-section, particularly a triangular cross-section.

  The core 10 may be retracted relative to the body by an amount between 0 and 1 mm, and better still between 0 and 0.5 mm, as shown in FIG. 13A. The body 3 can project into the dispensing orifice and produce a converging spray.

  The core 10 may be flush with the body 3 as shown in FIG. 13B. In that case, the spray can be linear.

  The core 10 may extend forward by an amount between 0 and 1 mm, and better still between 0 and 0.5 mm, as shown in FIG. 13C. In that case, the spray can diverge.

  As shown in FIG. 6, additional dispensing orifices may include a second core 50 within the core 10 that defines, for example, a second dispensing orifice 51 that is coaxial with the first dispensing orifice together with the first core 10. If provided by mounting, this does not depart from the scope of the present invention. The passage 90 continues to be formed through the dispensing head.

  A plurality of products may be supplied to the dispensing orifice.

  The dispensing head can be supplied with two products that are dispensed through separate dispensing orifices.

  As shown in FIG. 11, it is possible that the axis Z is not perpendicular to the axis of the rod of the container into which the head is fitted. In this example, axis Z is oriented upward when the container is perpendicular to the dispensing head at the top.

  The supply duct 7 can be oriented substantially parallel to the distribution axis Z in the case of at least a portion that opens facing the engaging portion 10. The engagement portion 10 may be produced with an annular lip 39 that defines a narrow portion of the cross-section 47.

  The configuration may be similar to the configuration in FIG. 4D, except that the engaging portion 10 is external to the body 3 in the example of FIG. 4D and is in the body 3 in the example of FIG.

  Referring to FIG. 18, the type of axis X in which the aerosol pressurized container comprises a liquid to be sprayed and a propellant material, preferably composed of a compressed inert gas, in particular air or propellant. It is possible to understand that it may be.

  The container includes an opening 64 on which a mounting cup 65 is crimped. The distribution valve 60 is generally clamped to the center of the mounting cup 65 by crimping. The valve 60 comprises a valve body 77 with a peripheral ridge 68 or valve shell at its end fastened to the mounting cup 65. The edge of this ridge 68 away from the bottom of the container is provided with a peripheral rib 69 that determines the ridge against which a sealing washer 610 made of, for example, an elastomeric material is pressed. The outer edge of the washer 610 is then crimped to the ridges of the ribs 69 to achieve a seal at this level by crimping the center of the mounting cup 65 against the ridges 68.

  At its end opposite the rib 69, the valve body 77 extends to a reduced diameter tube 611 that forms the valve stem. The valve body 77 defines a mixing chamber 177 for gases and liquids.

  The valve rod 612 is mounted so as to be movable in the axial direction within the main body 77, and this rod extends through a portion 613 having a smaller outer diameter that protrudes to the outside of the mounting cup 65. An axial channel 614 is provided in the portion 613 and is open at the free end.

  The rod 612 is held in the installation position or the closed position by a return spring 618 provided between the shoulder 67 of the main body 77 and the rod 612. A sufficient radial space is provided between the outer surface of the rod 612 and the inner surface 811 of the body 77 to allow free passage of fluid.

  In the illustrated example, the additional gas inlet 71 is perpendicular to the axis X of the valve body 77. The additional gas intake 71 is open to the valve body 77. The additional gas intake 71 may be formed from two right-angle portions or a single portion.

  The internal restrictor 72 is installed in the lower part of the valve 60. Its axis coincides with the axis X of the valve 60.

  The spray nozzle 73 is installed in the upper part of the valve 60. Its axis is perpendicular to axis X.

The valve 60 advantageously has the following characteristics.
The diameter (PGA) of the additional gas inlet orifice (71) is between 0.6 mm and 0.8 mm.
The diameter (Ri) of the internal restrictor (72) is between 0.5 mm and 0.6 mm.
The diameter (Gi) of the spray nozzle (73) is between 0.4 mm and 0.6 mm. The term “between x and y” means belonging to a range extending from x to y, and includes x and y.

  The dispensing head is fitted with a protective cap and, if required, when the dispensing head is in a fixed position with respect to the container or when the locking element of the dispensing head is in a fixed position with respect to the container It can be arranged with an on / off system that makes it possible to prevent the activation of.

  The product to be sprayed may be a deodorant, in particular a deodorant comprising alcohol, antiperspirant, hair care composition, shaving foam, among other possibilities.

  In a variant not shown, the dispensing orifice is formed between the main body and the engaging part, the main body being radially inward of the engaging part and the supply duct for the product passes through the main body. All of the features described with reference to the figures can be described in a variant in which the body is radially inside with respect to the engagement part.

  The expression “comprising a” should be understood as synonymous with “comprising at least one of”.

DESCRIPTION OF SYMBOLS 1 Distribution head, head 3 Main body 3a, 10a Surface 3b, 10b Surface 4 Surface 6 Housing 7 Supply duct 8 Housing 10 Core, engaging part, 1st core 11 Inner surface 12 Distribution orifice, Orifice 13 Surface 14 Inner surface 22 Duct, Supply Duct, space 22a space, proximal portion 22b intermediate portion 22c end portion, end wall 22d delivery chamber, chamber 23 supply duct 38 axial rib, relief, centering relief 39 narrow, annular lip 41 skirt for mounting, Skirt 43 Crown, pad 45 Duct 46 Inner surface 47 Narrow part, section 48 End surface, Outer surface 49 Outer surface 50 Second core 51 Second distribution orifice 60 Distribution valve, valve 64 Opening 65 Mounting cup 67 Shoulder 68 Peripheral bump, bump 69 Peripheral ribs, ribs 71 Additional gas suction 7 Internal restrictor 73 Spray nozzle 77 Valve body, main body 90 opening, passage 92 base 93 sealing skirt 94 crown 94a rear end 94b front end 95 shoulder 96, 97 annular surface 177 mixing chamber 610 sealing washer, washer 611 tube 612 valve rod, rod 613 Portion 614 Axial channel 618 Return spring 811 Inner surface

Claims (9)

A container pressurized by a non-liquefied compressed gas,
A body (3), open at its two opposite axial ends, the body (3);
An engagement portion (10) open at its two opposite axial ends and defining at least partly the dispensing orifice (12);
A dispensing head comprising
A container comprising a distribution valve (60) comprising a valve body (77) equipped with an additional gas inlet orifice (71) and an internal restrictor (72).   The container according to claim 1, wherein the additional gas intake orifice (71) has a diameter (PGA) that is greater than or equal to the diameter (Ri) of the internal restrictor (72).   A container according to any one of the preceding claims, wherein the additional gas inlet orifice (71) has a diameter (PGA) between 0.6 mm and 0.8 mm.   A container according to any one of the preceding claims, wherein the internal restrictor (72) has a diameter (Ri) between 0.5 mm and 0.6 mm.   A container according to any one of the preceding claims, wherein the dispensing valve (60) comprises a spray nozzle (73) with a diameter (Gi) between 0.4 mm and 0.6 mm.   A container according to any one of the preceding claims, wherein the dispensing orifice (12) is annular and preferably has a constant width (l) in the circumferential direction.   A container according to any one of the preceding claims, wherein the dispensing orifice (12) has axial symmetry, preferably rotational symmetry.   A container according to any one of the preceding claims, wherein the engagement portion (10) protrudes axially beyond the front end (94b) of the body (3).   The dispensing head comprises a number of dispensing orifices (12) made in the engagement portion (10), the engagement portion (10) having a U-shaped axial one-sided cross section, and the body Has two concentric mounting skirts (41) between which the engaging portion (10) is clamped, and the body (3) is optionally a crown into which the engaging portion (10) is inserted. (43), the crown (43) optionally having one or more reliefs defining a spiral duct (23) with the engagement portion (10). The container according to any one of the above.