EP2258484B1 - Druckknopf für eine Vorrichtung zur Abgabe einer unter Druck Flüssigkeit - Google Patents

Druckknopf für eine Vorrichtung zur Abgabe einer unter Druck Flüssigkeit Download PDF

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Publication number
EP2258484B1
EP2258484B1 EP20100290285 EP10290285A EP2258484B1 EP 2258484 B1 EP2258484 B1 EP 2258484B1 EP 20100290285 EP20100290285 EP 20100290285 EP 10290285 A EP10290285 A EP 10290285A EP 2258484 B1 EP2258484 B1 EP 2258484B1
Authority
EP
European Patent Office
Prior art keywords
push
nozzle
button according
button
recess
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.)
Active
Application number
EP20100290285
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English (en)
French (fr)
Other versions
EP2258484A1 (de
Inventor
Jean-Pierre Songbe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Albea Le Treport SAS
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Publication date
Application filed by Albea Le Treport SAS filed Critical Albea Le Treport SAS
Publication of EP2258484A1 publication Critical patent/EP2258484A1/de
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Publication of EP2258484B1 publication Critical patent/EP2258484B1/de
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Classifications

    • 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
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • 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
    • 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

Definitions

  • the invention relates to a push button for a dispensing system for a pressurized liquid, as well as to such a dispensing system.
  • the dispensing system is intended to equip bottles used in perfumery, in cosmetics or for pharmaceutical treatments.
  • this type of bottle contains a liquid which is returned by a dispensing system comprising a device for sampling under pressure of said liquid, said system being actuated by a push button to allow the spraying of the liquid.
  • the sampling device comprises a pump or a manually operated valve via the push button.
  • Such push buttons are conventionally made in two parts: an actuating body and a liquid spray nozzle which are associated with one another to form a vortex assembly comprising a vortex chamber provided with a dispensing orifice as well as channels for dispensing fluid. feeding of said chamber.
  • the vortex chamber is arranged to rotate very quickly the liquid so that it escapes through the orifice with a sufficient speed to split into droplets forming the aerosol.
  • the nozzle is mounted around an anvil formed in a housing of the body.
  • the vortex assembly is then delimited between a proximal wall of the nozzle in which is formed a cavity of said vortex assembly and a distal wall of said anvil which is classically flat.
  • the nozzle is pressed on the anvil until the distal wall is pressed against the proximal wall and laterally closes the impression to form the swirl assembly.
  • the document FR-2 907 106 describes such a recess to form a swirling counter-chamber so to homogenize the aerosol and the document EP-1 042 072 , which describes the preamble of claim 1, provides a recess size sufficient to solve the problem of residual flow.
  • the vortex assembly is made at the interface between the nozzle and the anvil which, particularly in view of their size, are difficult to produce industrially large quantities by perfectly mastering the accuracy of their geometry.
  • the assembly of the nozzle on the anvil must be performed industrially at high rate, which does not ensure optimal positioning of said nozzle on said anvil.
  • the distal wall may have after pressing a convex shape disturbing the swirling of the liquid in the chamber.
  • the anvil may undergo deformations due to the withdrawal of the material during its cooling after molding producing its skew.
  • the distal wall is then crooked which causes during pressing the partial concealment of some asymmetrical supply channels and especially a distal wall not only convex, but not having a symmetry of revolution.
  • the aerosol produced is then called "hollow", that is to say that there are very few droplets at its center, or deformed which means that its impact is not circular, or off-axis, or crosswise to the axis of the dispensing orifice.
  • the object of the invention is to solve the problems of the prior art by proposing in particular a push button in which the quality of the aerosol generated by the swirl assembly can be guaranteed independently of the dispersions of manufacture and / or assembly of the spray nozzle around the anvil of the actuating body.
  • the invention proposes a push button for a system for dispensing a liquid under pressure, said push button comprising a body having a mounting well on a tube for supplying the pressurized liquid. and a housing in communication with said well, said housing being provided with an anvil around which a spray nozzle is mounted to form a fluid distribution path between said housing and a vortex assembly comprising a vortex chamber provided with a dispensing orifice and at least one supply channel of said chamber, said nozzle having a proximal wall in which is formed an impression of the swirl assembly and said anvil having a distal wall on which the proximal wall of the nozzle is in support to delimit between them said swirl assembly, said distal wall having a recess which is formed in view of the cavity of the vortex chamber, the maximum depth of said recess being between 25% and 300% of the minimum depth of the channel footprint.
  • the invention proposes a system for dispensing a liquid under pressure, comprising a sampling device equipped with a pressurized liquid supply tube on which the well of such a push button is mounted to allow spraying of the liquid.
  • a push button for a dispensing system for a pressurized liquid is described below, said liquid being of any nature, in particular used in perfumery, in cosmetics or for pharmaceutical treatments.
  • the push button comprises a body 1 having an annular skirt of appearance 2 surrounding a well 3 mounting the push button on a tube for supplying the pressurized liquid. Furthermore, the push button comprises an upper zone 4 allowing the user to exert a digital support on said push button in order to move it axially.
  • the dispensing system comprises a sampling device equipped with a tube for supplying the pressurized liquid (not shown) which is sealed in the well 3.
  • the dispensing system also comprises mounting means on a bottle containing the liquid and liquid collection means inside said bottle which are arranged to supply the feed tube with liquid under pressure.
  • the sampling device may comprise a manually operated pump or, in the case where the liquid is packaged under pressure in the bottle, a manually operated valve.
  • a manually operated pump or, in the case where the liquid is packaged under pressure in the bottle, a manually operated valve.
  • the pump or the valve is actuated to supply the supply tube with liquid under pressure.
  • the body 1 also has an annular housing 5 of axis perpendicular to that of the mounting well 3, said housing having a rear wall 6 on which axially extends a cylindrical anvil 7 of revolution. Furthermore, the housing 5 is in communication with the well 3 through an orifice 8 formed in the rear wall 6 to allow the passage of the fluid supplied by the tube from said well into said housing.
  • the push button also comprises a spray nozzle 9 which is associated with the body 1 by being mounted around the anvil 7 so as to form a fluid distribution path.
  • the nozzle 9 is arranged collinearly with the axis of the housing 5 to allow lateral spraying of the liquid relative to the body 1 of the push button.
  • the nozzle 9 has a cylindrical side wall 10 of revolution which is closed forward by a proximal wall 11.
  • the association of the nozzle 9 in the housing 5 is formed by fitting the outer face of the side wall 10, the rear edge of said outer face being further provided with a radial projection 12 for anchoring the nozzle 9 in said housing.
  • the nozzle 9 and the body 1 are made by molding, in particular of a different thermoplastic material.
  • the material forming the nozzle 9 has a stiffness that is greater than the stiffness of the material forming the body 1.
  • the significant stiffness of the nozzle 9 prevents its deformation during fitting.
  • the lower stiffness of the body 1 allows on the one hand a more qualitative touch during the actuation and on the other hand an improved seal between the mounting well 3 and the feed tube.
  • the greater rigidity of the nozzle 9 improves the reliability of the harpooning of the projection 12 in the housing 5 to avoid the risk of expulsion of the nozzle 9 during distribution.
  • the body 1 is made of polyolefin and the nozzle 9 is made of cycloolefinic copolymer (COC), poly (oxymethylene) or poly (butylene terephthalate).
  • the distribution path comprises an annular duct 13 which is formed between the inner face of the side wall 10 of the nozzle 9 and the outer face of the side wall 14 of the anvil 7.
  • this annular duct 13 is supplied with pressurized liquid from port 8 by via an upstream annular duct 15 which is formed between the side wall 14 and the housing 5.
  • the annular duct 13 supplies pressurized liquid to a vortex assembly comprising a vortex chamber 16 provided at its center with a dispensing orifice 17 and at least one supply channel 18 of said chamber.
  • a vortex assembly comprising a vortex chamber 16 provided at its center with a dispensing orifice 17 and at least one supply channel 18 of said chamber.
  • an impression of the vortex assembly is formed recess on the rear face of the proximal wall 11 of the nozzle 9 and the anvil 7 has a distal wall 19 on which the proximal wall 11 is supported to delimit between they said swirling assembly.
  • the vortex assembly comprises four radial feed channels 18 which open laterally into the vortex chamber 16, said channels having a constant U-section.
  • a different number of feed channels 18 may be provided. provided, possibly with an orientation and / or a modified geometry, and another mode of supply of the vortex chamber 16.
  • the distal wall 19 has a recess 20 which is formed facing the cavity of the vortex chamber 16, the maximum depth of said recess being between 25% and 300% of the minimum depth of the channel 18 footprint .
  • the depth of the supply channels 18 is constant and similar to that of the vortex chamber 16.
  • the depth of the recess 20 is sufficient to ensure that, after pressing the nozzle 9 on the anvil 7, the geometry of the distal wall 19 which is arranged facing the vortex chamber 16 is never convex, and this taking into account the manufacturing and assembly dispersions of the nozzle 9 around the anvil 7.
  • the depth of the recess 20 is sufficiently limited not to interact significantly on the characteristics of the aerosol dispensed, in particular by not being large enough to form swirling counter-chamber.
  • the quality of the aerosol remains identical from one manufacture to another while maintaining high manufacturing and assembly rates.
  • the maximum depth of the recess 20 is between 50% and 150% of the minimum depth of the channel footprint 18.
  • the recess 20 may have an opening whose size is between 80% and 110% of the diameter of the vortex chamber 16, in particular being substantially equal to said diameter.
  • the recess 20 has a geometry of revolution, more precisely cylindrical of revolution on the Figures 1 and 2 .
  • a slightly frustoconical or semi-elliptical geometry can be provided as shown in FIG. figure 3 .
  • the diameter of the vortex chamber 16 is 0.6 mm
  • the feed channels 18 have a depth of 0.33 mm for a width of 0.2 mm
  • the diameter of the recess 20 is between 0.5 and 0.6 mm for a depth before pressing between 0.1 and 0.5 mm.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Claims (10)

  1. Druckknopf für ein System zur Verteilung einer Flüssigkeit unter Druck, wobei der Druckknopf einen Körper (1) umfasst, der einen Schacht (3) zur Montage auf einer Zuführungsröhre der Flüssigkeit unter Druck und eine Aufnahme (5) in Verbindung mit dem Schacht aufweist, wobei die Aufnahme mit einem Amboss (7) versehen ist, um welchen eine Sprühdüse (9) derart montiert ist, dass ein Verteilungsweg der Flüssigkeit zwischen der Aufnahme und einer Wirbeleinheit gebildet wird, die eine Wirbelkammer (16) umfasst, die mit einer Verteilungsöffnung (17) versehen ist, sowie mit mindestens einem Zuführkanal (18) der Kammer, wobei die Düse eine proximale Wand (11) aufweist, in der ein Abdruck der Wirbeleinheit ausgebildet ist, und der Amboss eine distale Wand (19) aufweist, auf der die proximale Wand (11) der Düse (9) in Auflage ist, um untereinander die Wirbeleinheit abzugrenzen, wobei die distale Wand eine Aussparung (20) aufweist, die gegenüber dem Abdruck der Wirbelkammer (16) ausgebildet ist, wobei der Druckknopf dadurch gekennzeichnet ist, dass die maximale Tiefe der Aussparung zwischen 25 % und 300 % der Mindesttiefe des Abdrucks der Zuführkanäle (18) liegt.
  2. Druckknopf nach Anspruch 1, dadurch gekennzeichnet, dass die maximale Tiefe der Aussparung (20) zwischen 50 % und 150 % der minimalen Tiefe des Abdrucks der Zuführkanäle (18) liegt.
  3. Druckknopf nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wirbeleinheit eine Mehrzahl radialer Zuführkanäle (18) umfasst, die seitlich in die Wirbelkammer (16) münden.
  4. Druckknopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Aussparung (20) eine Öffnung aufweist, deren Maß zwischen 80 % und 110 % des Durchmessers der Wirbelkammer (16) liegt.
  5. Druckknopf nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Aussparung (20) eine Rotationsgeometrie aufweist.
  6. Druckknopf nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Werkstoff, der die Düse (9) bildet, eine Steifigkeit aufweist, die größer ist als die Steifigkeit des Werkstoffs, der den Körper (1) bildet.
  7. Druckknopf nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Düse (9) und der Amboss (7) jeweils eine seitliche Wand (10, 14) aufweisen, zwischen welchen eine ringförmige Leitung (13) des Verteilungswegs ausgebildet ist, wobei die Leitung zu beiden Seiten jeweils mit dem Schacht (3) und mit den Zuführkanälen (18) verbunden ist.
  8. Druckknopf nach Anspruch 7, dadurch gekennzeichnet, dass die Außenseite der seitlichen Wand (14) der Düse (9) in die Aufnahme (5) geschrumpft ist.
  9. Druckknopf nach Anspruch 8, dadurch gekennzeichnet, dass der hintere Rand der äußeren Seite mit einem radialen Vorsprung (15) zur Verankerung der Düse (9) in der Aufnahme (5) versehen ist.
  10. Verteilungssystem einer Flüssigkeit unter Druck, das eine Entnahmevorrichtung umfasst, die mit einer Zuführungsröhre der Flüssigkeit unter Druck ausgestattet ist, auf die der Schacht (3) eines Druckknopfs nach einem der Ansprüche 1 bis 9 montiert ist, um das Sprühen der Flüssigkeit zu erlauben.
EP20100290285 2009-06-04 2010-06-01 Druckknopf für eine Vorrichtung zur Abgabe einer unter Druck Flüssigkeit Active EP2258484B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0902713A FR2946326B1 (fr) 2009-06-04 2009-06-04 Bouton poussoir pour un systeme de distribution d'un liquide sous pression

Publications (2)

Publication Number Publication Date
EP2258484A1 EP2258484A1 (de) 2010-12-08
EP2258484B1 true EP2258484B1 (de) 2014-11-05

Family

ID=41254672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100290285 Active EP2258484B1 (de) 2009-06-04 2010-06-01 Druckknopf für eine Vorrichtung zur Abgabe einer unter Druck Flüssigkeit

Country Status (6)

Country Link
US (1) US8640977B2 (de)
EP (1) EP2258484B1 (de)
CN (1) CN101905203B (de)
BR (1) BRPI1001643B1 (de)
ES (1) ES2529493T3 (de)
FR (1) FR2946326B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9821126B2 (en) * 2014-02-21 2017-11-21 Neogen Corporation Fluid atomizer, nozzle assembly and methods for assembling and utilizing the same
FR3019475B1 (fr) * 2014-04-08 2021-10-15 Albea Le Treport Module de distribution d’un produit destine a etre monte sur un conduit d’amenee sous pression dudit produit
US10370177B2 (en) * 2016-11-22 2019-08-06 Summit Packaging Systems, Inc. Dual component insert with uniform discharge orifice for fine mist spray
US11006724B2 (en) * 2018-03-30 2021-05-18 Rea.Deeming Beauty, Inc. Container and dispenser system and apparatus
US10940493B2 (en) * 2018-07-26 2021-03-09 S. C. Johnson & Son, Inc. Actuator and nozzle insert for dispensing systems
CN109693884A (zh) * 2019-01-29 2019-04-30 中山市美捷时包装制品有限公司 一种环形气雾剂促动器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503481A (en) * 1946-12-04 1950-04-11 William W Hallinan Atomizing nozzle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785571A (en) * 1972-05-05 1974-01-15 Seaquist Valve Co Mechanical breakup aerosol sprayer button
US5738282A (en) * 1996-03-20 1998-04-14 Calmar Inc. Pump sprayer nozzle for producing a solid spray pattern
DE19622124A1 (de) * 1996-06-01 1997-12-04 Alfred Von Schuckmann Gerät zum Aufbringen von Flüssigkeiten
FR2772644B1 (fr) * 1997-12-24 2000-02-04 D Investissement Ind Et Commer Buse de pulverisation a moyen statique d'inhibition d'ecoulement
US5992765A (en) * 1998-04-24 1999-11-30 Summit Packaging Systems, Inc. Mechanical break-up for spray actuator
FR2828821B1 (fr) * 2001-08-23 2004-01-23 Valois Sa Tete de distribution pour distributeur de produit fluide
FR2832079B1 (fr) 2001-11-14 2004-07-30 Valois Sa Tete de distribution et distributeur de produit fluide comportant une telle tete de distribution
FR2887232B1 (fr) 2005-06-21 2010-11-05 Rexam Dispensing Sys Embout poussoir pour distributeur de produit liquide
FR2907106B1 (fr) * 2006-10-16 2011-06-10 Rexam Dispensing Sys Dispositif de distribution pour produit fluide.
FR2908752B1 (fr) * 2006-11-22 2009-01-30 Rexam Dispensing Systems Sas Bouton poussoir de pulverisation comprenant une buse invisible

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503481A (en) * 1946-12-04 1950-04-11 William W Hallinan Atomizing nozzle

Also Published As

Publication number Publication date
US8640977B2 (en) 2014-02-04
EP2258484A1 (de) 2010-12-08
US20100308136A1 (en) 2010-12-09
FR2946326B1 (fr) 2011-08-05
ES2529493T3 (es) 2015-02-20
BRPI1001643A2 (pt) 2011-08-02
CN101905203A (zh) 2010-12-08
FR2946326A1 (fr) 2010-12-10
BRPI1001643B1 (pt) 2019-10-08
CN101905203B (zh) 2014-09-24

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