EP1932595B1 - Sprühdüse, Verteilungsorgan, das eine solche Düse umfasst, Verteiler, der ein solches Organ umfasst, und Einsatz einer solchen Düse - Google Patents

Sprühdüse, Verteilungsorgan, das eine solche Düse umfasst, Verteiler, der ein solches Organ umfasst, und Einsatz einer solchen Düse Download PDF

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Publication number
EP1932595B1
EP1932595B1 EP07123074A EP07123074A EP1932595B1 EP 1932595 B1 EP1932595 B1 EP 1932595B1 EP 07123074 A EP07123074 A EP 07123074A EP 07123074 A EP07123074 A EP 07123074A EP 1932595 B1 EP1932595 B1 EP 1932595B1
Authority
EP
European Patent Office
Prior art keywords
lateral surface
fluid product
outlet channel
spray nozzle
axis
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.)
Expired - Fee Related
Application number
EP07123074A
Other languages
English (en)
French (fr)
Other versions
EP1932595A1 (de
Inventor
Jean-Pierre Songbe
Bernard Clerget
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.)
Albea Le Treport SAS
Original Assignee
Rexam Dispensing Systems SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP1932595A1 publication Critical patent/EP1932595A1/de
Application granted granted Critical
Publication of EP1932595B1 publication Critical patent/EP1932595B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/0005—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
    • 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

Definitions

  • the invention relates to a spray nozzle, a dispensing member comprising such a nozzle, a dispenser comprising such a member and a use of such a nozzle.
  • the fluid comes out of the spray nozzle in the form of an aerosol comprising droplets of various sizes, which can be large, and whose spray angle is reduced, for example up to 10 °, or even in the form of 'a jet.
  • the recess allows a coating of the lateral surface of the outlet channel with a layer of immobilized fluid product on which the remainder of the fluid can slide without friction.
  • the fluid product can be broken down into fine droplets and form an aerosol having the desired spray angle.
  • the subject of the invention is a dispensing member comprising a generally cylindrical body and a spray nozzle as defined above, the body comprising a housing having a stop surface, and a suitable feed channel.
  • the spray nozzle being disposed in the housing, the front wall defining the housing outwardly and coming into contact with the abutment surface, the upstream end of the supply conduit being in communication with the feed channel.
  • the reservoir may contain a fluid having a viscosity of less than or equal to 10 Pa.s at 20 ° C.
  • the invention relates to a use of a spray nozzle as defined above for spraying a fluid product which has a viscosity of less than or equal to 10 Pa.s at 20 ° C.
  • a dispensing device 7 mounted in the opening 5 of the reservoir 3 is adapted to withdraw the fluid inside the reservoir 3 and deliver it under pressure to the outside.
  • the dispensing device 7 may comprise a tubular body 8 which extends along an axis 9 and a nozzle 10 mounted in the open upper end of the body 8.
  • the nozzle 10 is partially movable inside the body 8 in translation along the axis 9.
  • the lower end also open body 8 is in communication with the reservoir 3, for example by means of a tubular fixing wall 11 receiving a plunger tube 12 by fitting.
  • the dispensing device 7 may be manually operable.
  • the dispensing device 7 may be a valve mounted on the reservoir 3, which is then pressurized, and in which the nozzle 10 comprises at least one closable orifice that can be placed in communication with the inside of the body 8.
  • the device distribution 7 may be a pump comprising a compression chamber defined by an intake valve near the lower end of the body 8, an exhaust valve and a piston integral with the base of the nozzle 10 and movable sealingly inside the body 8.
  • a fixing member fixes the dispensing device 7 to the reservoir 3.
  • the fixing member is a metal band 13 which is crimped, on the one hand, on a collar integral with the body 8 of the dispensing device, and, on the other hand, on a flange 14 of the neck 6. It can be provided to interpose a seal 15 between the upper surface of the neck 6 and a radial surface 16 of the hoop 13.
  • the attachment of the dispensing device 7 to the reservoir is not limited to this embodiment.
  • a dispensing member for example in the form of a push button 17, can be mounted on the upper end of the nozzle 10.
  • the push button 17 comprises a generally cylindrical body which extends along an axis 18.
  • the body has an upper actuating wall 19 which extends substantially radially with respect to the axis 18 of the push button 17 and from the edge of which a lateral skirt 20 extends along the axis 18 of the pushbutton 17.
  • the push button 17 further comprises a supply channel in communication with the nozzle 10.
  • the supply channel may comprise, for example, an axial sleeve 25 which extends from the actuating wall 19 inside the nozzle. the skirt 20 along the axis 18 of the body, and a radial passage 26 generally perpendicular to the axis 18 of the body and whose upstream and downstream ends respectively open in the axial sleeve 25 and in the annular space 24 of the housing 21.
  • the lower end of the axial sleeve 25 may be sealingly attached, for example by fitting and / or snapping, on the upper end of the nozzle 10.
  • the axis 22 of the housing 21 and the feed channel may be parallel, whether or not merged, with the axis 18 of the dispenser member to enable dispensing axial fluid product.
  • the dispensing member may form a nozzle mounted on a dispensing device 7 or directly on the reservoir 3.
  • a spray nozzle 28 is disposed in the housing 21.
  • the spray nozzle 28 comprises a front wall 29 which has an upstream face 33 and a downstream face 34 and which delimits the housing 21 towards the outside.
  • the spray nozzle 28 also includes an outlet channel which extends through the end wall 28.
  • the outlet channel comprises an upstream section forming a swirl chamber 32 and a downstream section forming an outlet port 30.
  • the vortex chamber 32 is delimited by a front surface 32a formed on the upstream face 33 of the front wall 29 and a lateral surface 32b substantially of revolution about an axis A1 perpendicular to the front wall 29.
  • the lateral surface 32b the vortex chamber 32 may be substantially cylindrical and have a first cross section.
  • the outlet orifice 30 extends between an upstream end formed on the front surface 32a of the swirl chamber 32 and a downstream end formed on the downstream face 34 of the front wall 29 to open outwards.
  • the outlet orifice 30 is delimited by a lateral surface 30b substantially of revolution about an axis A2 perpendicular to the end wall 29.
  • the lateral surface 30b of the outlet orifice 30 may be substantially cylindrical and have a large diameter. second cross section of dimensions smaller than those of the first cross section.
  • lateral surface substantially of revolution is meant a surface generated by the displacement of a rectilinear generatrix, in the case of a cylindrical or frustoconical surface, or curve, parallel to the corresponding axis, along a closed directional curve , in particular a circle or an ellipse.
  • a substantially revolutional side surface also designates a such a surface presenting locally, as described below, singularities.
  • the section of the outlet orifice 30 is circular or elliptical.
  • the lateral surface 30b of the outlet orifice 30 may also be frustoconical with a convergence or a divergence between its upstream end and its downstream end.
  • the axis A2 of the outlet orifice 30 can be offset with respect to the axis A1 of the swirl chamber 32, as shown in FIG. figure 2 , or coincident with the axis A1 of the vortex chamber 32 to form a common axis A of the side surface of the outlet channel, which side surface is formed jointly by the side surfaces 30b, 32b of the outlet port 30 and the vortex chamber 32.
  • the spray nozzle 28 comprises at least one supply duct 36.
  • the supply duct 36 and the swirl chamber 32 are adapted to drive the fluid product. in a rotational movement about the axis A1 of the vortex chamber 32 in a direction of rotation materialized on the Figures 2 and 3 by an arrow F.
  • Each supply duct 36 extends in a plane perpendicular to the axis A1 of the vortex chamber 32 between an upstream end and a downstream end. Each supply duct 36 extends tangentially with respect to the lateral surface 32b of the vortex chamber 32 and the downstream end of each supply duct 36 opens into the lateral surface 32b of the vortex chamber 32.
  • Each supply duct 36 may be delimited by bottom surface 38 and internal lateral edges 39 and outer 40 substantially perpendicular to the bottom surface 38. It can be provided that the lateral edges 39, 40 converge towards each other from the upstream end to the downstream end of the feed duct 36.
  • the front wall 29 may have, on its upstream face 33, a generally flat front surface and an annular boss 37, for example integral with the front wall 29, projecting from the front surface of the front wall 29.
  • the boss Annular 37 internally defines the vortex chamber 32.
  • the annular boss 37 also delimits externally a peripheral chamber 35.
  • the lateral surface 32b of the vortex chamber 32 comprises a relief arranged radially relative to to the axis A1 and adapted to form a static surface layer of fluid product.
  • the relief then forms, on the lateral surface 32b of the vortex chamber 32, a singularity which immobilizes a stable, surface layer of fluid product.
  • the circulation of the fluid product on the lateral surface 32b forms a boundary layer on the lateral surface 32b which is immobilized by the relief to coat the lateral surface 32b with a coating layer of a predetermined thickness on which the remainder of the fluid can slide. without rubbing.
  • the relief may comprise one or more striations parallel to the axis A2. It can also be provided that the relief comprises a plurality of asperities forming a roughness on the lateral surface of the outlet channel, the roughness being local, distributed, continuous or discontinuous.
  • the spray nozzle 28 may constitute an insert which is fitted into the housing 21 of the push button 17.
  • the spray nozzle 28 may then comprise, on the side of the upstream face 33 of the end wall 29, an associated wall 31 which extends in the vicinity of the periphery of the front wall 29 substantially perpendicular to the front wall 29.
  • the spray nozzle 28 is integral with the body of the dispensing member 17, the abutment surface 27 being attached, for example by the insertion of a inserted in the housing 21. This avoids the risk of expulsion of the spray nozzle 28 when spraying the fluid.
  • the swirl chamber 32 then formed at the interface between the front wall 29 and the abutment surface 27 is delimited by the front surface 32a, the abutment surface 27 and the lateral surface 32b extending between the front surface 32a and the abutment surface 27.
  • the supply duct 36 is delimited by the bottom surface 38, the abutment surface 27 and the lateral edges 39, 40 which extend between the bottom surface 38 and abutment surface 27.
  • the spray nozzle 28 as described above can be used for spraying any type of fluid, for example a viscous fluid product having a viscosity greater than 0.001 Pa.s at 20 ° C. It is expected, moreover, that the nozzle of spraying 28 can be used to spray a fluid that has a viscosity of less than or equal to 10 Pa.s at 20 ° C.
  • the fluid product disposed within the tank 3 may therefore have a viscosity in the range provided above.

Landscapes

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

Claims (9)

  1. Zerstäuberdüse (28) für ein Fluid-Produkt, umfassend:
    - eine Stirnwand (29),
    - einen Ausgangskanal (30, 32), der sich durch die Stirnwand (29) hindurch erstreckt, wobei der Ausgangskanal von einer Seitenfläche (30b, 32b) begrenzt ist, die im Wesentlichen eine Fläche eines Rotationskörpers um eine Achse (A, A1, A2) senkrecht zu der Stirnwand (29) ist, wobei die Seitenfläche (30b, 32b) des Ausgangskanals (30, 32) wenigstens ein Relief (41) umfasst, das radial in Bezug auf die Achse (A, A1, A2) angeordnet ist,
    - eine Zuführungsleitung (36), die dazu angepasst ist, das Fluid-Produkt in dem Ausgangskanal (30, 32) zuzuführen, wobei die Zuführungsleitung (36) und der Ausgangskanal (30, 32) dazu angepasst sind, das Fluid-Produkt in einer Drehbewegung um die Achse (A, A1, A2) in eine Drehrichtung (F) zu treiben, wobei die Zuführungsleitung (36) sich in einer Ebene senkrecht zu der Achse (A, A1, A2) erstreckt, im Wesentlichen tangential in Bezug auf die Seitenfläche (30b, 32b) des Ausgangskanals (30, 32), zwischen einem stromaufwärts gelagerten Ende, das dazu angepasst ist, mit dem Fluid-Produkt gespeist zu werden, und einem stromabwärts gelagerten Ende, das in die Seitenfläche (30b, 32b) des Ausgangskanals (30, 32) mündet,
    wobei die Zerstäuberdüse (28) dadurch gekennzeichnet ist, dass das Relief wenigstens eine Aussparung (41) umfasst, die auf der Seitenfläche (30b, 32b) des Ausgangskanals (30, 32) vorgesehen ist, wobei die Seitenfläche aus einer Fläche besteht, die durch die Versetzung einer geradlinigen oder gekrümmten Mantellinie parallel zu der Achse (A, A1, A2) erzeugt wird, entlang einer geschlossenen kreisförmigen oder elliptischen Leitkurve, und die lokal eine sich von der Achse (A, A1, A2) in die Drehrichtung (F) des Fluid-Produkts in dem Ausgangskanal (30, 32) entfernende und die Aussparung bildende Rampe aufweist, wobei die Aussparung dazu angepasst ist, eine statische oberflächliche Schicht aus Fluid-Produkt zu bilden.
  2. Zerstäuberdüse (28) nach Anspruch 1, wobei der Ausgangskanal einen stromaufwärts gelagerten Bereich, der eine Wirbelkammer (32) bildet und einen ersten transversalen Abschnitt aufweist, und einen stromabwärts gelagerten Bereich, der eine Ausgangsöffnung (30) bildet und einen zweiten transversalen Abschnitt aufweist, der kleinere Ausmaße aufweist als die des ersten transversalen Abschnitts, umfasst, wobei das stromabwärts gelagerte Ende der Zuführungsleitung (36) in die Seitenfläche (32b) der Wirbelkammer (32) mündet, wobei das Relief (41) auf der Seitenfläche (32b) der Wirbelkammer (32) angeordnet ist.
  3. Zerstäuberdüse (28) nach Anspruch 1, wobei der Ausgangskanal einen Bereich umfasst, der eine Ausgangsöffnung (30) bildet, die sich zwischen einem stromaufwärts gelagerten Ende und einem stromabwärts gelagerten Ende erstreckt, wobei das stromabwärts gelagerte Ende der Zuführungsleitung (36) in die Seitenfläche (30b) der Ausgangsöffnung (30) in der Nachbarschaft des stromaufwärts gelagerten Endes der Ausgangsöffnung (30) mündet, wobei das Relief (41) auf der Seitenfläche (30b) der Ausgangsöffnung (30) angeordnet ist.
  4. Zerstäuberdüse (28) nach einem der Ansprüche 1 bis 3, wobei das Relief eine Mehrzahl von Unebenheiten umfasst, die eine Rauheit auf der Seitenfläche (30b, 32b) des Ausgangskanals (30, 32) bilden.
  5. Zerstäuberdüse nach einem der vorhergehenden Ansprüche, umfassend mehrere Leitungskanäle (36).
  6. Verteilungsorgan (17), umfassend einen im Allgemeinen zylindrischen Körper und eine Zerstäuberdüse (28) nach einem der Ansprüche 1 bis 5,
    wobei der Körper eine Aufnahme (21), die eine Anlagefläche (27) aufweist, und einen Speisungskanal (25, 26) umfasst, der angepasst ist, um die Aufnahme (21) mit dem Fluid-Produkt zu speisen, wobei die Zerstäuberdüse (28) in der Aufnahme (21) angeordnet ist, wobei die Stirnwand (29) die Aufnahme (21) nach außen begrenzt und mit der Anlagefläche (27) in Kontakt kommt, wobei das stromaufwärts gelagerte Ende der Zuführungsleitung (36) in Kommunikation mit dem Speisungskanal (25, 26) steht.
  7. Verteiler (1), umfassend:
    - ein Reservoir (3), das eine Öffnung (5) aufweist und angepasst ist, ein Fluid-Produkt zu enthalten,
    - eine Verteilungsvorrichtung (7), die in der Öffnung (5) angebracht ist und eine Spritz-Düse (10) umfasst, die translativ verlagerbar ist, in Kommunikation mit dem Reservoir (3) steht und angepasst ist, um unter Druck das Fluid-Produkt abzugeben,
    - ein Verteilungsorgan (17) nach Anspruch 6, das auf der Spritz-Düse (10) angebracht ist, um die Spritz-Düse (10) zu verlagern, wobei der Speisungskanal (25, 26) in Kommunikation mit der Spritz-Düse (10) steht.
  8. Verteiler (1) nach Anspruch 7, wobei das Reservoir (3) ein Fluid-Produkt enthält, das eine Viskosität aufweist, die bei 20°C kleiner als oder gleich 10 Pa*s ist.
  9. Verwendung einer Zerstäuberdüse (28) nach einem der Ansprüche 1 bis 5, um ein Fluid-Produkt zu zerstäuben, das eine Viskosität aufweist, die bei 20°C kleiner als oder gleich 10 Pa*s ist.
EP07123074A 2006-12-15 2007-12-12 Sprühdüse, Verteilungsorgan, das eine solche Düse umfasst, Verteiler, der ein solches Organ umfasst, und Einsatz einer solchen Düse Expired - Fee Related EP1932595B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0610944A FR2909908B1 (fr) 2006-12-15 2006-12-15 Buse de pulverisation, organe de distribution comprenant une telle buse, distributeur comprenant un tel organe et utilisation d'une telle buse.

Publications (2)

Publication Number Publication Date
EP1932595A1 EP1932595A1 (de) 2008-06-18
EP1932595B1 true EP1932595B1 (de) 2010-04-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07123074A Expired - Fee Related EP1932595B1 (de) 2006-12-15 2007-12-12 Sprühdüse, Verteilungsorgan, das eine solche Düse umfasst, Verteiler, der ein solches Organ umfasst, und Einsatz einer solchen Düse

Country Status (5)

Country Link
US (1) US8418940B2 (de)
EP (1) EP1932595B1 (de)
DE (1) DE602007005909D1 (de)
ES (1) ES2341042T3 (de)
FR (1) FR2909908B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022601B1 (ko) * 2010-08-19 2011-03-16 정해룡 디스펜서용 노즐
FR3050125B1 (fr) * 2016-04-14 2021-12-17 Albea Le Treport Buse de pulverisation, notamment pour un systeme de distribution d'un produit sous pression muni d'un bouton poussoir, et systeme de distribution comprenant une telle buse

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071196A (en) * 1975-08-28 1978-01-31 Vca Corporation Aerosol valve tip and insert assembly
US4358057A (en) * 1980-05-27 1982-11-09 Ethyl Products Company Fluid dispenser method and apparatus
US5738282A (en) * 1996-03-20 1998-04-14 Calmar Inc. Pump sprayer nozzle for producing a solid spray pattern
MXPA00000068A (es) * 1997-07-04 2002-09-18 Univ Southampton Direccionamiento mejorado hacia insectos voladores con insecticidas y aparato para cargar liquidos.
FR2772644B1 (fr) * 1997-12-24 2000-02-04 D Investissement Ind Et Commer Buse de pulverisation a moyen statique d'inhibition d'ecoulement
FR2835203B1 (fr) * 2002-01-25 2004-04-09 Verbena Corp N V Buse de pulverisation a diametre reduit
US6793156B2 (en) * 2002-02-28 2004-09-21 Saint-Gobain Calmar Inc. Orifice cup for manually actuated sprayer
US7198201B2 (en) * 2002-09-09 2007-04-03 Bete Fog Nozzle, Inc. Swirl nozzle and method of making same

Also Published As

Publication number Publication date
US8418940B2 (en) 2013-04-16
FR2909908B1 (fr) 2009-02-27
US20080164346A1 (en) 2008-07-10
ES2341042T3 (es) 2010-06-14
DE602007005909D1 (de) 2010-05-27
EP1932595A1 (de) 2008-06-18
FR2909908A1 (fr) 2008-06-20

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