EP3548185A1 - Tete de distribution de produit fluide - Google Patents
Tete de distribution de produit fluideInfo
- Publication number
- EP3548185A1 EP3548185A1 EP17821972.1A EP17821972A EP3548185A1 EP 3548185 A1 EP3548185 A1 EP 3548185A1 EP 17821972 A EP17821972 A EP 17821972A EP 3548185 A1 EP3548185 A1 EP 3548185A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holes
- series
- spray
- dispensing head
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 85
- 238000009826 distribution Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000003205 fragrance Substances 0.000 claims description 9
- 210000003128 head Anatomy 0.000 description 26
- 239000002304 perfume Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 7
- 230000008447 perception Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003906 humectant Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 210000003800 pharynx Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
- B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
- B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
Definitions
- the present invention relates to a fluid dispensing head intended to be associated with a dispensing member such as a pump or a valve.
- the dispensing head may be integrated with, or mounted on, the dispenser member.
- the dispensing head may comprise a bearing surface so as to constitute a pusher on which the user presses to actuate the dispensing member.
- the dispensing head may be devoid of bearing surface. This kind of fluid dispensing head is frequently used in the fields of perfumery, cosmetics or pharmacy.
- a conventional dispensing head for example of the push-type, comprises:
- a dispensing member such as a pump or a valve
- an axial mounting housing in which a pin extends, defining a side wall and a front wall, and
- a bucket-shaped nozzle comprising a substantially cylindrical wall, one end of which is closed by a spray wall forming a spray orifice, the nozzle being mounted along an axis X in the axial mounting housing with its cylindrical wall engaged around the spindle and its spray wall in axial abutment against the front wall of the spindle.
- the inlet well is connected to the axial mounting housing by a single supply conduit.
- a swirl system conventionally includes a plurality of tangential swirl channels that open into a swirl chamber centered on the spray orifice of the nozzle.
- the swirl system is disposed upstream of the spray orifice.
- a nozzle comprising a spray wall pierced with several spray holes of substantially identical or perfectly identical diameter, of the order of 1 to 100 ⁇ , with a tolerance of 20% .
- Such a spray wall would generate a spray whose droplet size is relatively homogeneous.
- the spray has a more complex droplet size distribution, that is to say less homogeneous as a whole, allowing to fill several distinct and distinct functions.
- a fluid product containing a fragrance, such as a perfume it is advantageous that the spray ensures on the one hand the deposition of droplets on the skin of the user and on the other hand the dispersion in the air of olfactory compounds from the rapid evaporation of the solvent part of very fine droplets.
- the deposition of droplets on the skin of the user must be perceived by the user to be sure that perfume has reached the target, and this perception results in a feeling of moisture or "wet" at the level of the user. skin.
- a spray for filling a number of distinct and distinct functions may be advantageous to have a spray for filling a number of distinct and distinct functions.
- a fluid product may be adapted to treat several distinct targets (oral cavity & pharynx, or pharynx and larynx, or larynx and trachea, or trachea and lungs, or different segments of the lungs, etc.). To reach their targets, the droplets must penetrate more or less deeply into the patient's breathing circuit.
- the present invention provides a fluid dispensing head comprising a spray wall pierced with a network of holes through which the pressurized fluid product passes to be sprayed into fine droplets, characterized in that the network of holes comprises at least two sets of holes, with the holes of the same series having a substantially identical hole size, and with the different series holes having different hole sizes, so that a series of holes generates a spray of fine droplets with a droplet size distribution defining a first Gaussian, while another series of holes generates a spray of fine droplets with a droplet size distribution defining a second Gaussian, which is shifted with respect to the first Gaussian, thus producing a complex spray with at least two distinct Gaussians.
- the nozzle of the invention is obtained with complex droplet size distribution with two Gaussian (or more), which are relatively narrow, homogeneous and above all separate and distinct, allowing to reach different targets to ensure different functions.
- a series of larger holes is arranged around a series of smaller holes.
- the finest droplets are surrounded, guided and / or channeled by the largest droplets.
- the humectant aspect (wet) is preponderant on the olfactory aspect.
- a series of smaller holes may be arranged around a series of larger holes.
- the olfactory aspect is preponderant on the humectant aspect (wet).
- the series of holes are arranged in concentric rings.
- the series of holes may have a polygonal overall layout.
- the spray wall defines an upper zone and a lower zone, the series of smaller holes extends mainly in the upper zone, whereas the series of larger holes extends mainly in the lower area.
- the series of holes can be nested in a substantially homogeneous manner.
- the droplets of different sizes are intimately mixed, potentially reducing their own characteristics, but producing a visually more homogeneous spray.
- the size of the holes of the series of holes can be of the order of 1 to 100 ⁇ , advantageously of the order of 5 to 30 ⁇ , and preferably of the order of 10 to 20 ⁇ .
- Each series of holes comprises at least 5 holes (O) of substantially identical size.
- the size of the different series of holes differs by at least 30%.
- the hole size of the series of smaller holes may be of the order of 5 to 15 ⁇ and the hole size of the series of larger holes is the order of 15 to 30 ⁇ .
- a spray is produced whose particle size distribution would not be a wide Gaussian, but the superposition of two Gaussian (or more) rather narrow, centered on distinct values (30 ⁇ and 50 ⁇ per example).
- too fine particles tend, because of their low inertia to swirl quickly and therefore the contour of the spray cone is revealed. disturbed and very subject to disturbances of the surrounding air. This is why it is sometimes advantageous to generate on the periphery of the spray cone the larger particles in diameter and those finer in diameter at the heart of the cone. This makes it possible to reduce these effects of turbulence and to obtain a more controlled spray.
- a possible configuration could be 40 holes of 10 ⁇ in the central part and 10 holes of 15 ⁇ on the outer ring.
- the dispensing head comprises:
- a dispensing member such as a pump or a valve
- a nozzle comprising a mounting wall engaged in the axial mounting housing, the spray wall being secured to the nozzle.
- the mounting wall is overmolded on the spray wall.
- the spirit of the invention lies in the fact of producing, in one and the same distribution or spray wall, groups of holes of different sizes in order to generate distinct sprays which are, however, superimposed, adjacent, surrounded, nested or even intermingled, during the distribution.
- FIG. 1 is a vertical cross-sectional view through a pump equipped with a distribution head according to the invention
- FIG. 2 is a perspective view of the dispensing head of FIG. 1,
- FIG. 3 is a cross-sectional view through the dispensing head of FIGS. 1 and 2,
- FIG. 4 is an enlarged perspective view of the nozzle of FIGS.
- FIG. 5 is an enlarged cross-sectional view through the nozzle of FIG. 4, and
- Figures 6 to 13 are greatly enlarged front views of the nozzle spray wall of Figures 4 and 5 according to eight embodiments of the invention.
- the dispensing head T is mounted on a dispensing member P, such as a pump or a valve, which has a design quite conventional in the fields of perfumery or pharmacy.
- This dispensing member P is actuated by the user by pressing axially with a finger, generally the index, on the head T.
- the normal pressure generated by this axial support on the fluid product inside the pump P and the head T is of the order of 5 to 6 bar, and preferably of 5.5 at 6 bars. Peaks at 7 to 8 bar are possible, but it is then in abnormal conditions of use. Conversely, at the approach of 2.5 bar, the spray is deteriorated, between 2.5 and 2.2 bar, the spray is strongly altered, and below 2 bar, there is no more spray.
- the initial pressure generated by the propellant gas is of the order of 12 to 13 bar and then drops, as the aerosol empties, until about 6 bars.
- An initial pressure of 10 bars is common in the field of perfumery and cosmetics.
- the pressure of the fluid product at the nozzle is of the order of 1 bar, that is to say the atmospheric pressure, or slightly less . Because of the pressure value used and the energy used, these ultrasonic vibration sprayers are outside the scope of the invention.
- a dispensing head T made according to the invention.
- the dispensing head T comprises two essential components, namely a head body 1 and a nozzle 2. These two parts can be made by plastic injection molding.
- the head body 1 is preferably made in one piece: it can however be made from several parts assembled to each other. It is the same for the nozzle 2 which can be made monobloc mono-material, or by overmolding or bi-injection, possibly with a subsequent recovery operation.
- the head body 1 comprises a substantially cylindrical peripheral skirt 10 which is closed at its upper end by a plate 14.
- the head body 1 also comprises a connecting sleeve 15 which here concentrically extends inside the body. peripheral skirt 10.
- the connecting sleeve 15 extends downwards from the plate 14. It internally defines an inlet well 11 which is open downwards and closed at its upper end by the plate 12.
- the connecting sleeve 15 is intended to be mounted on the free end of an actuating rod P5 of the dispenser member P.
- This actuating rod P5 is movable back and forth along the axis Y.
- the actuating rod P5 is hollow so as to define a discharge pipe in communication with a chamber of PO dosing of pump P or valve.
- the inlet well 1 1 extends in the extension of the actuating rod P5 so that the fluid from the dosing chamber PO can flow into the inlet well January 1.
- the head body 1 also defines a feed duct 13 which connects the inlet well 1 1 to a mounting housing 12, as can be seen in Figures 1 and 3.
- the axial mounting housing 12 is configuration overall cylindrical, thereby defining an inner wall which is substantially cylindrical.
- the supply duct 13 opens into the mounting housing 2 centrally. It may also be noted that the inner wall of the mounting housing 12 has hooking profiles for better maintenance of the nozzle 2, as will be seen below.
- the head body 1 can be engaged in a covering cap 3 comprising upper bearing surface 31 for a finger and a lateral casing 32 forming a lateral opening 33 for the passage of the nozzle 2.
- the nozzle 2 has a substantially conventional overall configuration in the form of a bucket which is open at one end and closed at its opposite end by a spray wall 26 at which several holes or spraying orifices O are formed.
- the nozzle 2 comprises a nozzle body 20 of substantially cylindrical overall shape which preferably has an axial symmetry of revolution about the X axis, as shown in FIG. In other words, the nozzle 2 does not need to be oriented angularly before its presentation in front of the inlet of the axial mounting housing 12.
- the nozzle body 20 forms an external mounting wall 21 which is advantageously provided with attachment reliefs adapted to cooperate with the attachment profiles of the mounting housing 12.
- the nozzle 2 can be engaged axially without particular orientation in the axial mounting housing 12, as shown in Figure 1.
- the nozzle 2 is in the configuration shown in Figures 1 and 3.
- the nozzle body 20 internally forms a chamber 22 delimited by an inner wall 23 of substantially cylindrical overall configuration, although it forms a frustoconical section 23a and two small cylindrical sections 2b and 23c.
- the nozzle body 20 On its outer end face, the nozzle body 20 forms a planar annular surface 25 in which a guide cone 25 is formed.
- the spray wall 26 is integral with the nozzle body 20, advantageously at the point where the small cylindrical section 23c meets the guide cone 25.
- the spray wall 26 is fixed to the nozzle body 20 by any means, such as overmolding, bi-injection, single-piece monoblock molding, snapping, crimping, swaging, etc.
- the spray wall 26 may be a single-piece piece, an assembly of several parts or a multilayer product, for example laminated. It can be made of metal, plastic, ceramic, glass or a combination of these. More generally, any material that can be pierced with small holes or holes is usable.
- the thickness of the spray wall 26 at the level where the holes O are formed is of the order of 10 to 100 ⁇ .
- the number of holes O is of the order of 30 to 500. The thickness may be constant, or conversely variable.
- the diameter of the spray wall 26 at the level where the holes O are formed is of the order of 0.5 to 5 mm.
- the spray wall 26 may be entirely flat on one or both sides, or on the contrary convex, preferably outwardly.
- the bending of the wall 26 may be performed after the drilling of the holes O, or conversely before drilling.
- the holes O may have an identical orientation, for example parallel to the X axis, or on the contrary have divergent orientations, especially when the wall 26 is curved.
- the density of the holes O on the wall 26 may be homogeneous, or on the contrary inhomogeneous, for example increasing or decreasing starting from the center of the wall.
- the holes O are drilled in the spray wall 26 while it is already integral with the nozzle body 20.
- spraying 26 for its drilling operation which can for example be performed by laser.
- the spray wall 26 is a very small piece, and therefore difficult to handle. It should be noted that the drilling of the holes O with the spray wall 26 pre-mounted on the nozzle body 20 is a process that can be implemented regardless of the size of the holes O, that is to say independently of the that the holes are of different sizes.
- the holes or spray orifices O form a network of holes comprising two series 27, 28 of holes O of different sizes with the holes O of the same series 27 or 28 having an identical hole size. or unique, taking into account manufacturing tolerances, which do not exceed 10%.
- a spray wall 26 pierced with 100 holes O there may be a first series 28 of 50 holes O having a diameter of 10 ⁇ and a second series 27 of 50 holes O having a diameter of 20 ⁇ .
- the first series 28 of 50 holes O will generate a spray of fine droplets whose granulometric curve has a peak formed by a relatively narrow Gaussian, then the second series 27 of 50 holes O will generate a spray of larger droplets whose particle size curve It also has a peak formed by a relatively narrow Gaussian, which is however shifted and distinct from the first Gaussian of the series 28. This gives a spray with two sizes of majority droplets corresponding to the two Gaussian granulometric curves.
- the distribution between the series 27 and 28 can vary from 10 to 90%, and vice versa, with a minimum of five O holes per series.
- the size of the holes of the series 27 can vary from 15 to 50 ⁇ , while the size of the holes of the series 28 can vary from 5 to 20 ⁇ , with always the size of the series 27 clearly superior, at least of the order of 30%, to that of series 28.
- Figure 6 we see the visible part of the spray wall 26 of the dispensing head T of Figures 1 to 5. It may be noted that it comprises a first series 27 of ten holes O having a size or a diameter clearly greater than forty holes O of a second series 28.
- the first series 27 forms a ring which surrounds two other rings forming the series 28.
- the overall configuration is concentric.
- This spray wall 26 may be used to spray perfume on the body of a user.
- the diameter of the holes of the first series 27 may be of the order of 15 to 30 ⁇ and the diameter of the holes of the second series 28 may be of the order of 5 to 15 ⁇ . It thus manages to optimize the wet perception of the perfume when it is deposited on the skin thanks to the spray from the first series 27 and the olfactory perception of the perfume with the spray from the first series 28.
- the 27 series by arranging the 27 series around the 28 series, the finest droplets from the 28 series are surrounded, channeled and guided by the larger droplets from the 27 series. This prevents the finest droplets from dispersing too much by creating turbulence.
- FIG 7 there is shown a spray wall 26a which has a reverse arrangement, with the series 27a of larger diameter surrounded by two rings of small holes forming a series 28a of smaller diameter.
- a spray wall 26a which has a reverse arrangement, with the series 27a of larger diameter surrounded by two rings of small holes forming a series 28a of smaller diameter.
- perfume we favor the olfactory aspect, while guaranteeing the wetting touch aspect.
- FIG 8 there is shown a spray wall 26b defining two distinct areas, namely an upper zone Zs and a lower zone Zi separated by a horizontal median.
- the largest diameter holes 27b of the series 27b occupy the lower zone Zi, while the smaller diameter holes 28b of the series 28b occupy the upper zone Zs.
- the two series 27b and 28b have a semi-circular configuration forming together a complete record. With this arrangement, the vaporous cloud from holes O of the 28b series disperses rapidly in the air and will be immediately perceived by the user's sense of smell, because in general, the perfume target is located below the nose.
- FIG 10 there is shown a spray wall 26d with a larger diameter series 27d occupying the lower zone Zi and an upper zone portion ZS and disposed in a crescent moon, and the smaller diameter series 28d occupying the zone upper Zs and arranged in disc inside the crescent moon 27d series.
- the wetting aspect is preponderant with a channeled olfactory appearance, but nevertheless directed upwards.
- FIG. 12 there is shown a spray wall 26f with a larger diameter 27f series arranged in a square surrounding by a series 28f of smaller diameter also arranged in a square inside the series 27f.
- a spray substantially comparable in performance to that of the spray wall 26 of FIG. 6 is obtained.
- FIG 13 there is shown a spray wall 26g with a 27g series of larger diameter dispersed in a 28g series of smaller diameter.
- the holes O of different sizes are mixed and distributed substantially homogeneously.
- the number of sets of holes, the number of holes per series, the arrangement of the holes on the spray wall, and the size or diameter of the holes are all parameters which make it possible to determine the number of Gaussians, the peak value of each Gaussian and the structure of the spray. These parameters must be set according to the fluid to be sprayed and the desired multiple functions: tactile and olfactory for fluid products containing fragrances - penetration at different depths in the respiratory system for a fluid to be inhaled - specific density gradient and controlled on an application surface.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1661845A FR3059573B1 (fr) | 2016-12-02 | 2016-12-02 | Tete de distribution de produit fluide |
PCT/FR2017/053344 WO2018100321A1 (fr) | 2016-12-02 | 2017-12-01 | Tete de distribution de produit fluide |
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EP3548185A1 true EP3548185A1 (fr) | 2019-10-09 |
EP3548185B1 EP3548185B1 (fr) | 2022-09-28 |
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EP17821972.1A Active EP3548185B1 (fr) | 2016-12-02 | 2017-12-01 | Distributeur de produit fluide |
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US (2) | US11633747B2 (fr) |
EP (1) | EP3548185B1 (fr) |
JP (1) | JP7094286B2 (fr) |
CN (5) | CN110035830A (fr) |
BR (4) | BR112019010499B1 (fr) |
ES (2) | ES2929990T3 (fr) |
FR (5) | FR3059573B1 (fr) |
WO (1) | WO2018100321A1 (fr) |
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DE102019109081B4 (de) * | 2018-07-03 | 2020-06-04 | MO GmbH & Co. KG | Aerosol-Dispersionseinrichtung |
DE102019109079B4 (de) * | 2018-07-03 | 2020-06-04 | MO GmbH & Co. KG | Aerosol-Dispersionseinrichtung |
US10940493B2 (en) * | 2018-07-26 | 2021-03-09 | S. C. Johnson & Son, Inc. | Actuator and nozzle insert for dispensing systems |
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FR3096089B1 (fr) | 2019-05-14 | 2022-08-05 | Aptar France Sas | Procédé d'assemblage d'une pompe à précompression haute pression |
FR3095968B1 (fr) | 2019-05-14 | 2021-10-01 | Aptar France Sas | Dispositif de distribution de produit fluide |
BR112022009354B1 (pt) * | 2019-11-22 | 2023-12-12 | Aptar France Sas | Método de fabricação de uma parede de pulverização, bocal e cabeça dispensadora de fluido |
JP7378878B2 (ja) | 2020-09-17 | 2023-11-14 | エルジー・ケム・リミテッド | スパージャおよびこれを含む反応器 |
WO2022152921A1 (fr) * | 2021-01-17 | 2022-07-21 | S. C. Johnson & Son, Inc. | Pulvérisateurs d'aérosol, procédés de génération de pulvérisateurs d'aérosol et systèmes de distribution d'aérosol |
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