EP2590753B1 - Tete de pulverisation pour dispositif de distribution de produit fluide - Google Patents

Tete de pulverisation pour dispositif de distribution de produit fluide Download PDF

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Publication number
EP2590753B1
EP2590753B1 EP20110743106 EP11743106A EP2590753B1 EP 2590753 B1 EP2590753 B1 EP 2590753B1 EP 20110743106 EP20110743106 EP 20110743106 EP 11743106 A EP11743106 A EP 11743106A EP 2590753 B1 EP2590753 B1 EP 2590753B1
Authority
EP
European Patent Office
Prior art keywords
spray
head
longitudinal axis
profile
syringe
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
EP20110743106
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2590753A1 (fr
Inventor
Frédéric HELDT
Jean-Marc Pardonge
Ludovic Petit
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.)
Aptar France SAS
Original Assignee
Aptar France SAS
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Filing date
Publication date
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Publication of EP2590753A1 publication Critical patent/EP2590753A1/fr
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Publication of EP2590753B1 publication Critical patent/EP2590753B1/fr
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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
    • B05B1/3426—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 emerging in the swirl chamber perpendicularly 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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • 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
    • 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
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons

Definitions

  • the present invention relates to a spray head for fluid dispensing device.
  • Spray heads for fluid dispensing devices are well known. These heads generally comprise several parts, namely a body forming the head and one or two part (s) forming the nozzle, that is to say the part that creates the spray by swirling the fluid when it is distributed .
  • a small sleeve is moved outwardly into the downstream end of the head to define therewith said spray profile.
  • a so-called internal jet it is an insert inserted through the inside of the head which cooperates with the end wall thereof to define the spray profile.
  • the spray patterns generally comprise a plurality of non-radial channels, including three, formed either in the bottom wall of the head, or on the outer nozzle sleeve, or on the inner nozzle insert.
  • the spraying is carried out only by the cooperation of these two parts, that is to say on the one hand the external nozzle with the head and on the other hand the inner nozzle with the head.
  • Existing spray heads require an assembly of at least one part in another. This assembly induces differences in performance from one spray head to the other. This is not always desirable. Similarly, making heads with two or three parts complicates the manufacture and assembly and makes it more expensive.
  • the spray heads are assembled on the piston rods or valve valves to guide the product, which is dispensed from the pump or valve, to the spray port.
  • the present invention aims to provide a spray head for fluid dispensing device that does not reproduce the aforementioned drawbacks.
  • the present invention also aims to provide a spray head for fluid dispensing device that is simple and inexpensive to manufacture and assemble.
  • Another object of the present invention is to provide such a spray head for a fluid dispenser device which makes it possible to produce a correct and reproducible spray.
  • the subject of the present invention is therefore a spray head for a fluid dispenser device, comprising a hollow body comprising a substantially cylindrical sleeve extending along a longitudinal axis, and a substantially radial bottom wall provided with a spray orifice, and a spray profile upstream of said spray orifice, said spray profile comprising at least one non-radial channel and / or non-axial with respect to said longitudinal axis, said head, said spray orifice and said spray profile being made in the form of a single piece, said spray profile comprising a central stud, the inner end of said central stud, disposed inside said hollow body, being of conical or frustoconical shape, for guiding the fluid product. to said at least one non-radial and / or non-axial channel, said inner end forming an outlet valve.
  • said spray orifice is annular in shape around said longitudinal axis.
  • said spray orifice is bowl-shaped symmetrical with respect to said longitudinal axis.
  • said spray profile comprises at least one channel extending obliquely and circumferentially with respect to the longitudinal axis, connecting the interior of said hollow body to said spray orifice.
  • said spray profile comprises at least one oblique helical channel in radial and axial directions, connecting the interior of said hollow body to said spray orifice.
  • said central stud is connected to said sleeve via a deformable monobloc membrane allowing a slight axial displacement of said central stud.
  • the present invention also relates to a fluid dispenser device comprising a reservoir, means for dispensing the product contained in said reservoir, and a spray head as described above.
  • said reservoir is a syringe
  • said dispensing means comprise a piston sliding in said syringe, said spray head being assembled directly on said syringe.
  • said spray head comprises an outlet valve cooperating with said syringe.
  • said dispensing means comprise a pump or an assembly valve on said tank, said spray head being assembled on said pump or valve.
  • the figure 1 represents a spray head 10 assembled on a reservoir 2 of the syringe type.
  • suitable dispensing means may be provided in said syringe 2 for dispensing the contents thereof.
  • these dispensing means comprise a piston secured to an actuating rod actuated by the user at the time of dispensing.
  • different distribution means could be envisaged, for example automatic dispensing means of the self-injector type. Nevertheless, these distribution means not directly involved in the present invention, they will not be described in more detail below.
  • the figure 1 represents a dispensing head 10 assembled directly on a reservoir 2
  • this dispensing head could also be assembled on a dispensing member, such as a pump or a valve, itself assembled on a reservoir.
  • the dispensing head 10 comprises a hollow body 11 comprising a spray orifice 15.
  • This hollow body 11 advantageously comprises a substantially cylindrical sleeve 12 which connects to a bottom wall substantially radial 13 which comprises said spray orifice 15, preferably at its center, therefore on the longitudinal axis A of said hollow body 11.
  • a spray profile 20 is provided, preferably also at said bottom wall 13.
  • said dispensing head is made of a single piece.
  • the spraying of the fluid product is performed by one and the same piece, and it is not necessary to assemble one or more inserts on or in said head to perform this spraying.
  • the spray profile 20 comprises at least one channel extending obliquely in the axial direction defined by the longitudinal axis A of the hollow body 11.
  • the spray profile 20 comprises at least one channel extending obliquely in the axial direction defined by the longitudinal axis A of the hollow body 11.
  • These channels 25 extend peripherally with respect to said longitudinal axis A and thus axially obliquely in said bottom wall 13, to connect the interior of the hollow body 11 to said spray orifice 15.
  • the peripheral shape, and therefore partially circular, and oblique in the axial direction of these channels 25 causes a swirling of the fluid product when it will pass through said channels 25 at the time of its expulsion under pressure.
  • the spray orifice 15 When the product reaches the spray orifice 15, it will therefore have a swirling motion and will therefore be dispensed in the form of a spray.
  • the spray orifice 15 has an annular shape around said longitudinal axis A. This annular shape further promotes the swirling of the product at the time of its expulsion.
  • the spray profile 20 comprises a central stud 21.
  • this central stud defines, by its external part, said annular shape of the spray orifice 15.
  • said central block 21 has a conical or frustoconical shape, which serves in particular to guide the product to the input of said channels 25.
  • the Figures 5 and 6 illustrate another embodiment.
  • This second embodiment differs from the first embodiment of the Figures 1 to 4 mainly by the shape of the channels 25 and the spray orifice 15.
  • the spray orifice 15 is here formed in the form of a bowl substantially symmetrical with respect to the longitudinal axis A and the channels 25, preferably also three in number, comprise oblique helical channels connecting the
  • said channels 25 therefore extend obliquely not only in the axial direction but also in the radial direction, since they are not peripheral around said longitudinal axis. but on the contrary helical, that is to say that they are gradually approaching said axis in the radial direction.
  • channels of this second embodiment could be associated with an annular spray orifice as shown in FIG. figure 3 .
  • the bowl spray orifice of the figure 5 could be associated with the channels of the first embodiment of the Figures 1 to 4 .
  • channels made according to the two embodiments described above could be associated and / or combined.
  • FIGS 7 and 8 illustrate an embodiment of the present invention.
  • the lower end 22 of the central stud 21 of the spray pattern 20 form outlet valve. So, as we see on the figure 8 this lower end cooperates with the outlet orifice of the reservoir 2.
  • said central block 21 closes the outlet of the tank 2.
  • said central block 21 must therefore be able to slightly deform, preferably axially, to allow the expulsion of the product.
  • said central stud 21, and more generally the bottom wall 13 of the hollow body 11 is connected to the sleeve 12 by a deformable membrane 14.
  • the spray channels 25 and the spray orifice 15 are made as in the embodiment of the Figures 5 and 6 , but it is understood that they could also be made in the manner of the first embodiment described with reference to the Figures 1 to 4 , even differently.
  • the membrane 14 is made in one piece with the hollow body 11 so that the spray head 10 is always made in one piece.
  • this membrane 14 is formed by wall narrowing created by recesses 19 formed in the bottom wall 13 of the hollow body 11.
  • the present invention provides a spraying head made in one piece piece which ensures a good spray fluid during each actuation. Moreover, the fact that this spray head is in one piece and that there is no assembly from one part to another, ensures that all the spray heads from the same mold will produce substantially the same. same performance, eliminating the differences in performance associated with the assembly, as is generally the case with spray heads with multiple rooms.
  • This one-piece structure also allows you to use the syringe in both expulsion and suction mode, including the absence of moving parts and springs in the head.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
EP20110743106 2010-07-09 2011-07-07 Tete de pulverisation pour dispositif de distribution de produit fluide Active EP2590753B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1055626A FR2962351B1 (fr) 2010-07-09 2010-07-09 Tete de pulverisation pour dispositif de distribution de produit fluide.
PCT/FR2011/051623 WO2012004539A1 (fr) 2010-07-09 2011-07-07 Tete de pulverisation pour dispositif de distribution de produit fluide.

Publications (2)

Publication Number Publication Date
EP2590753A1 EP2590753A1 (fr) 2013-05-15
EP2590753B1 true EP2590753B1 (fr) 2015-05-13

Family

ID=43533554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110743106 Active EP2590753B1 (fr) 2010-07-09 2011-07-07 Tete de pulverisation pour dispositif de distribution de produit fluide

Country Status (6)

Country Link
US (1) US9433952B2 (ja)
EP (1) EP2590753B1 (ja)
JP (1) JP5865365B2 (ja)
CN (2) CN103079709B (ja)
FR (2) FR2962351B1 (ja)
WO (2) WO2012004539A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101951627B1 (ko) * 2018-09-20 2019-02-25 (주)삼화피앤티 스프레이 펌프
CN111150909A (zh) * 2019-06-03 2020-05-15 霍强 治疗狐臭的喷雾器结构及内部液体配方
CN112718362B (zh) * 2020-12-28 2023-12-15 喻建荣 一种水雾生成组件以及水雾生成方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1536982A (en) * 1922-12-23 1925-05-05 Morse Dry Dock & Repair Co Fluid atomizer
US4923448A (en) * 1988-12-06 1990-05-08 Mark Anderson Syringe with spray nozzle tip
US5601077A (en) 1991-08-07 1997-02-11 Becton, Dickinson And Company Nasal syringe sprayer with removable dose limiting structure
JP2930526B2 (ja) * 1994-05-31 1999-08-03 株式会社キートロン インジェクター型アトマイザー
FR2773784B1 (fr) * 1998-01-16 2000-03-24 Valois Sa Tete de pulverisation pour un distributeur de produit fluide
FR2782024B1 (fr) * 1998-08-04 2000-10-13 Valois Sa Tete de distribution et dispositif de distribution de produit fluide comportant une telle tete
FR2794651B1 (fr) * 1999-04-14 2003-10-03 Ussel Bernard D Seringue a usage unique dite de securite
FR2793708B1 (fr) * 1999-05-21 2001-08-03 Valois Sa Dispositif de distribution de produit fluide
DE10321902A1 (de) * 2003-05-06 2004-12-09 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für zumindest ein Medium
FR2858568B1 (fr) * 2003-08-08 2006-09-15 Valois Sas Tete de pulverisation de produit liquide
FR2860768B1 (fr) * 2003-10-09 2006-08-04 Airlessystems Tete de distribution de produit fluide
FR2862009B1 (fr) * 2003-11-07 2007-01-05 Valois Sas Tete de pulverisation de produit fluide et pompe de distribution comportant une telle tete.
DE102005033771A1 (de) * 2005-07-15 2007-01-25 Saint-Gobain Calmar Gmbh Fluidaustragkopf
GB0515592D0 (en) * 2005-07-28 2005-09-07 Glaxo Group Ltd Nozzle for a nasal inhaler
FR2905941B1 (fr) * 2006-09-20 2011-02-11 Valois Sas Ensemble de distribution et distributeur de produit fluide comportant un tel ensemble de distribution
US8226619B2 (en) * 2007-06-15 2012-07-24 Kyphon Sarl Systems and methods for needle access to an intervertebral disc
EP2213322B1 (en) * 2007-10-30 2017-03-08 Daikyo Seiko, LTD. Prefilled nasal drop appliance

Also Published As

Publication number Publication date
FR2962352A1 (fr) 2012-01-13
CN103108703B (zh) 2016-08-24
US20130181069A1 (en) 2013-07-18
WO2012004539A1 (fr) 2012-01-12
JP2013530829A (ja) 2013-08-01
WO2012004541A1 (fr) 2012-01-12
CN103108703A (zh) 2013-05-15
JP5865365B2 (ja) 2016-02-17
CN103079709B (zh) 2015-11-25
US9433952B2 (en) 2016-09-06
FR2962351A1 (fr) 2012-01-13
EP2590753A1 (fr) 2013-05-15
FR2962352B1 (fr) 2012-08-31
FR2962351B1 (fr) 2015-01-16
CN103079709A (zh) 2013-05-01

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