EP0663240A1 - Abgabevorrichtung mit geringen Druckverlusten, mit einer Abgabedüse versehen - Google Patents

Abgabevorrichtung mit geringen Druckverlusten, mit einer Abgabedüse versehen Download PDF

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Publication number
EP0663240A1
EP0663240A1 EP94402884A EP94402884A EP0663240A1 EP 0663240 A1 EP0663240 A1 EP 0663240A1 EP 94402884 A EP94402884 A EP 94402884A EP 94402884 A EP94402884 A EP 94402884A EP 0663240 A1 EP0663240 A1 EP 0663240A1
Authority
EP
European Patent Office
Prior art keywords
dispensing
distribution
nozzle
core
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.)
Granted
Application number
EP94402884A
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English (en)
French (fr)
Other versions
EP0663240B1 (de
Inventor
Philippe Renault
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of EP0663240A1 publication Critical patent/EP0663240A1/de
Application granted granted Critical
Publication of EP0663240B1 publication Critical patent/EP0663240B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the present invention relates to a dispensing device with reduced pressure drops, comprising a dispensing nozzle and intended to equip a fluid dispenser having a container containing the fluid to be dispensed.
  • a dispensing device generally comprises a body provided with a supply duct, for supplying the distribution nozzle of the fluid contained in the container, and a distribution chamber in which extends a core which defines, with the distribution chamber, at least one distribution passage, the distribution nozzle having a distribution orifice one end of which allows the outflow of the fluid to be distributed and the other end of which is connected to said distribution passage by at least one distribution channel disposed transversely to the core.
  • the dispensing nozzles are traversed by the fluid to be dispensed following an action by the user: this action is, for example, a pressure exerted on the walls of the container then provided flexible, or l actuation of a support, or push button, equipped with the nozzle, which controls the opening of a valve with which the dispenser is equipped, the container then being filled with a gas under pressure to propel the fluid to be dispensed to the through the nozzle, or which implements means for pumping the fluid.
  • this action is, for example, a pressure exerted on the walls of the container then provided flexible, or l actuation of a support, or push button, equipped with the nozzle, which controls the opening of a valve with which the dispenser is equipped, the container then being filled with a gas under pressure to propel the fluid to be dispensed to the through the nozzle, or which implements means for pumping the fluid.
  • the core which extends into the dispensing chamber and defines with it the dispensing passage, either with the body of the device, or with the dispensing nozzle.
  • the core When the core is integral with the body, it is generally molded at the same time as the body, which is advantageous from the point of view of the number of parts; therefore, the supply duct is not arranged along the axis of the core, which would be suitable for good uniform distribution around the core; however, it is possible to limit the pressure drops downstream of the supply duct by tangentially supplying the distribution passage (s): such a solution is, for example, described in the French patent application FR- A-2 688 712.
  • the supply channel can extend, at least in its part which opens into the distribution chamber, along the axis of the core.
  • the object of the invention is to provide a distribution device in which, at the same time, the distribution of the fluid around the core is homogeneous, the supply duct having at least one part, which opens into the distribution passage, arranged according to the axis of the core, and the pressure losses are reduced.
  • a dispensing device intended to equip a fluid distributor, comprising a body provided with a supply duct, for supplying the fluid distribution nozzle contained in a container of the distributor, and a distribution chamber in which extends a core which defines, with the distribution chamber, at least one dispensing passage, the dispensing nozzle having a dispensing orifice one end of which allows the outflow of the fluid to be dispensed and the other end of which is connected to said dispensing passage by at least one dispensing channel arranged transversely to the core, the core being carried by the dispensing nozzle which is itself carried by the body of the device, the dispensing passage being defined between two surfaces, an internal surface corresponding to the core and an external surface, at least the internal surface being of revolution around an axis along which extends at least the part of the supply duct which opens into the distribution passage, characterized in that the external surface is also of revolution around the same axis, the external and internal surfaces being complementary, from a point on the axi
  • the internal surface as well as the external surface, have a profile which includes all the continuous forms, with or without point of inflection, comprised between a point on the axis of revolution and another point distant from the first and located at distance from the axis; for example, said surface of revolution is ovoid in shape; alternatively, its shape is conical; according to another variant, its shape is hemispherical.
  • the dispensing nozzle is of revolution about an axis coincident with the axis of revolution, and the dispensing orifice extends along this axis.
  • said distribution channel extends in a plane perpendicular to the axis of the nozzle.
  • said distribution channel is defined between two faces, one of which is the rear face of the distribution nozzle and the other of which is the front face of the core.
  • the distribution passage is defined by all the space between the two surfaces.
  • distribution passages are provided between the two surfaces; the distribution passages are hollowed out on the outer surface of the core; there are as many distribution passages as distribution channels the distribution passages are connected to the distribution channels by grooves extending parallel to the axis of revolution.
  • the distribution passage (s) extends (s) around the axis of revolution in a helical manner.
  • the rear faces of the nozzle and the front face of the core are substantially flat; the rear faces of the nozzle and the front face of the core are connected to the surfaces in arcs of a circle in axial section.
  • the rear faces of the nozzle and the front face of the core are also of revolution.
  • the body of the device is the body of a push button fitted to a fluid distributor.
  • the push button 1 consists of a body 2 comprising a cavity 3 intended to receive the end of a hollow operating rod for actuating a valve or of a mounted distribution pump at the top of a container forming a reservoir for the fluid to be dispensed.
  • the body 2 also includes a chamber 4 of cylindrical shape connected to the cavity 3 by a supply duct 5 for the fluid.
  • the nozzle 6 Before its assembly in chamber 4, the nozzle 6 is previously equipped with a core 10 which is force fitted therein; the core 10 is of cylindrical shape and carries, as can be seen in FIG. 2, longitudinal projections 12 regularly distributed circumferentially and defining therebetween, and in cooperation with the peripheral inner surface of the skirt 14, passages 11; channels 9 dug at the inner surface of the wall 13 of the nozzle 6, and regularly distributed circumferentially, extend from the recess 8 to the inner periphery of the skirt 14; when the nozzle 6 is mounted in the chamber 4, the front face 15 of the core 10 being pressed against the rear face 16 of the wall 13 of the nozzle 6, the rear face 17 of the core 10 is at a distance from the transverse bottom 18 of the bedroom 4; the passages 11 open on one side into the channels 9 and on the other side into the chamber 4 into which also opens the supply duct 5 which is thus connected to the orifice 7 of distribution, via the passages 11 and the channels 9; the dispensing orifice 7 and the supply duct 5 are arranged
  • a push button according to the present invention is shown in Figures 3 to 5; such a push button 21 consists of a body 22 comprising a cavity 31 for receiving the end of the operating rod, the introduction of which is facilitated by a frustoconical entry 32; a chamber limited by a surface of revolution 24 of axis 33 is connected to the cavity 31 by a supply duct 23; according to the example shown, the axis 33 is horizontal and the axis of the cavity 31, which corresponds to the axis of the actuator rod of the distributor for which the push button 21 is intended, is vertical: therefore, the supply duct 23 is in two parts, a horizontal part 25 and a vertical part 30; it will be understood that the invention applies regardless of the relative arrangement of said axes which can be aligned or make any angle between them, as soon as the supply duct 23 has at least one part 25 extending along the axis 33 of the surface of revolution 24; according to the invention, the surface 24 is ovoid in shape and the part 25 of the supply duct 23 opens into the
  • the body 22 of the push button 21 comprises a cylindrical housing 35, of axis 33, open to the outside and having an annular transverse bottom 38 to which the surface of revolution of oval shape 24 is connected; a cup-shaped dispensing nozzle 26 is force-fitted and sealed in the housing 35, until the annular rear face 37 of its skirt 45 comes into abutment against the annular bottom 38 of the housing 35; the front wall 39 of the nozzle 26 is traversed by a dispensing orifice 27 disposed along the axis 33, and opening out on the inner side in a recess 28 of circular section, larger than that of the orifice 27, provided on the inner face of the front wall 39.
  • the spraying nozzle 26 Before being mounted in the housing 35 of the body 22, the spraying nozzle 26 is previously equipped with a core 40 which is force fitted into the skirt 45 by cooperating closely with the cylindrical inner surface 36 of the latter; grooves 29 are dug on the inner surface of the wall 39 of the nozzle 26, from the recess 28 and extend, at right angles, along a portion 41 dug on the inner surface 36 of the skirt 45, so that transverse channels 29 are created with axial distribution portions 41 when the core 40 is mounted in the skirt 45 until its end face 46 abuts with the inner surface of the wall 39 of the nozzle 26.
  • the outer surface 34 of the core 40 is a surface of revolution of ovoid shape, complementary with respect to the inner surface 24, and such that when the nozzle 26 fitted with the core 40 is mounted in its housing 35, a clearance remains between the surfaces 24 and 34, such a clearance constituting a distribution passage 44 of revolution, the portions 41 of the channels 29 opening into this distribution passage 44.
  • transverse channels 29 are arranged radially, relative to the circular recess 28, as shown in Figure 4; alternatively, as shown in FIG. 5, they are arranged tangentially so as to induce a swirling effect on the fluid current.
  • the fluid during its distribution, is distributed homogeneously without pressure drop between surfaces 24 and 34, and all the channels 29 are identically supplied.
  • grooves 43 are provided on the outer surface of the core 40 and arranged in line with the portions 41 of the channels 29.
  • the channels 29 are hollowed out in the core 40, instead of being hollowed out in the nozzle 26, such an arrangement facilitating the communication of the grooves 43 and the channels 29, by construction.
  • the surfaces of revolution 24 and 34 cooperate in abutment and several distribution passages 51 are hollowed out on the external surface 34 of the core 40; the distribution passages 51 are regularly distributed around the axis 33 and there can be up to, for example, six distribution passages 51; according to this variant, as shown, the passages 51 extend along planes passing through the axis 33 from each portion 41 of the channels 29 to a recess 52 formed in the central area of the surface 24 and into which opens the opening 42 of part 25 of the supply duct 23.
  • FIG. 8 The variant of FIG. 8 is of the kind described in connection with FIG. 7, with several distribution passages, but these, instead of extending along planes passing through the axis 33, are hollowed out in a helix only one such passage, passage 48, is shown in FIG. 8.
  • the core 60 has a rounded edge 61 for connection between the outer surface 34 of oval shape and its front face 64 transverse; the rear face of the nozzle 66 also has a complementary concave rounded edge and the channels 29 have a portion 62 rounded accordingly.
  • the channels 29 are advantageously hollowed out in the core 40 (FIGS. 7 and 8) or in the core 60 (FIG. 9 ) to facilitate their communication, by construction, with the passages 51 ( Figures 7 and 9) or 48 ( Figure 8).
  • FIG. 10 shows another variant of a push button according to the invention in which the nozzle 76 has the shape of a cup, the inner face 74 of which is also of ovoid shape; advantageously, when the nozzle 76 is in place, the surfaces 24 and 74 envelop a complete ovoid constituted by the core 70; the distribution channels 72 and the recess 73 have a section, in a plane passing through the axis, of oval shape, as do the distribution passages 71.
  • Figures 9 and 10 show variants in which the distribution passages, respectively 51 and 71, are of the kind shown in Figure 7; of course, the cores 60 and 70, respectively of FIGS. 9 and 10, can be used to produce distribution devices in which the supply of the distribution orifice can be carried out as described with reference to FIGS. 3, 6 or 8 .
  • the surfaces of revolution 24 and 34 are of generally hemispherical shape; according to the variant of Figure 12, the surfaces 24 and 34 are conical.
  • the distribution passages 51 are hollowed out on the outer surface of the core 40; alternatively, the distribution passages 51 can be hollowed out in the push button 21; FIG. 16 shows such a variant of FIG. 7: in this case, it is advantageous to open the distribution passages 51 in an annular ring 81 defined between the outer surface of the core 40 and the cylindrical inner surface 36 of the skirt 45 of the spray nozzle 26.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP94402884A 1994-01-17 1994-12-14 Abgabevorrichtung mit geringen Druckverlusten, mit einer Abgabedüse versehen Expired - Lifetime EP0663240B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9400433 1994-01-17
FR9400433A FR2715083B1 (fr) 1994-01-17 1994-01-17 Dispositif de distribution à pertes de charge réduites comportant une buse de distribution.

Publications (2)

Publication Number Publication Date
EP0663240A1 true EP0663240A1 (de) 1995-07-19
EP0663240B1 EP0663240B1 (de) 1998-04-08

Family

ID=9459100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402884A Expired - Lifetime EP0663240B1 (de) 1994-01-17 1994-12-14 Abgabevorrichtung mit geringen Druckverlusten, mit einer Abgabedüse versehen

Country Status (4)

Country Link
EP (1) EP0663240B1 (de)
DE (1) DE69409486T2 (de)
ES (1) ES2115903T3 (de)
FR (1) FR2715083B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2961189A1 (fr) * 2010-06-14 2011-12-16 Valois Sas Tete de distribution de produit fluide.
CN106573258A (zh) * 2014-08-15 2017-04-19 Dlh鲍尔斯公司 具有共用的相互作用区域的多个入口、多个喷射的射流杯喷嘴和喷射产生方法
US11154876B2 (en) 2011-04-19 2021-10-26 Dlhbowles, Inc. Multi-inlet, multi-spray fluidic cup nozzle with shared interaction region and spray generation method
IT202000023515A1 (it) * 2020-10-06 2022-04-06 Coster Tecnologie Speciali Spa Dispositivo di erogazione di una sostanza fluida

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1453161A (en) * 1919-01-06 1923-04-24 Thomas W Murphy Spray nozzle
US1794013A (en) * 1929-10-16 1931-02-24 Groen Gerard Te Sprinkler
GB2230479A (en) * 1989-04-15 1990-10-24 Nutec Chemicals Ltd Trigger operated spray dispenser
WO1992010306A1 (en) * 1990-12-04 1992-06-25 Dmw (Technology) Limited Nozzle assembly for preventing back-flow
EP0497255A2 (de) * 1991-01-30 1992-08-05 Ing. Erich Pfeiffer GmbH Austragdüse für Medien

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1453161A (en) * 1919-01-06 1923-04-24 Thomas W Murphy Spray nozzle
US1794013A (en) * 1929-10-16 1931-02-24 Groen Gerard Te Sprinkler
GB2230479A (en) * 1989-04-15 1990-10-24 Nutec Chemicals Ltd Trigger operated spray dispenser
WO1992010306A1 (en) * 1990-12-04 1992-06-25 Dmw (Technology) Limited Nozzle assembly for preventing back-flow
EP0497255A2 (de) * 1991-01-30 1992-08-05 Ing. Erich Pfeiffer GmbH Austragdüse für Medien

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2961189A1 (fr) * 2010-06-14 2011-12-16 Valois Sas Tete de distribution de produit fluide.
WO2011157932A1 (fr) * 2010-06-14 2011-12-22 Valois Sas Tete de distribution de produit fluide.
US8690081B2 (en) 2010-06-14 2014-04-08 Aptar France Sas Fluid dispenser head
US11154876B2 (en) 2011-04-19 2021-10-26 Dlhbowles, Inc. Multi-inlet, multi-spray fluidic cup nozzle with shared interaction region and spray generation method
CN106573258A (zh) * 2014-08-15 2017-04-19 Dlh鲍尔斯公司 具有共用的相互作用区域的多个入口、多个喷射的射流杯喷嘴和喷射产生方法
CN106573258B (zh) * 2014-08-15 2020-03-13 Dlh鲍尔斯公司 具有共用的相互作用区域的多个入口、多个喷射的射流杯喷嘴和喷射产生方法
IT202000023515A1 (it) * 2020-10-06 2022-04-06 Coster Tecnologie Speciali Spa Dispositivo di erogazione di una sostanza fluida

Also Published As

Publication number Publication date
FR2715083B1 (fr) 1996-03-08
DE69409486D1 (de) 1998-05-14
ES2115903T3 (es) 1998-07-01
EP0663240B1 (de) 1998-04-08
FR2715083A1 (fr) 1995-07-21
DE69409486T2 (de) 1998-08-06

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