EP2983832B1 - Verbesserter sprühkopf - Google Patents

Verbesserter sprühkopf Download PDF

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Publication number
EP2983832B1
EP2983832B1 EP14722261.6A EP14722261A EP2983832B1 EP 2983832 B1 EP2983832 B1 EP 2983832B1 EP 14722261 A EP14722261 A EP 14722261A EP 2983832 B1 EP2983832 B1 EP 2983832B1
Authority
EP
European Patent Office
Prior art keywords
insert
spray head
spray
upstream
head according
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
EP14722261.6A
Other languages
English (en)
French (fr)
Other versions
EP2983832A2 (de
Inventor
François LE MANER
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
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 Aptar France SAS filed Critical Aptar France SAS
Publication of EP2983832A2 publication Critical patent/EP2983832A2/de
Application granted granted Critical
Publication of EP2983832B1 publication Critical patent/EP2983832B1/de
Active 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
    • 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
    • B05B11/0072—A valve member forming part of an 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
    • 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
    • B05B11/0064—Lift valves
    • B05B11/0067—Lift valves having a valve seat located downstream the valve element (take precedence)
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • 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
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • 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
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element

Definitions

  • the present invention relates to an improved spray head and a fluid dispenser device incorporating such a spray head.
  • the present invention also aims to provide a spray head that withstands the "drops tests" and the flow of materials over time.
  • the present invention also aims to provide a spray head that is simple and inexpensive to manufacture and assemble, and reliable in use throughout the life of the device.
  • the present invention therefore relates to a spray head according to claim 1.
  • said body comprises an inner sleeve forming the expulsion channel and an outer body.
  • said insert is placed entirely inside said internal part of the body, said insert comprising an upstream part and a downstream part, in the direction of flow of the fluid, said elastically deformable part connecting said parts. upstream and downstream.
  • said upstream portion of the insert is mounted by clamping in said internal part of the body.
  • said internal portion of the body comprises an internal radial shoulder, said upstream portion of the insert being abutted on said shoulder to maintain the insert in said internal part of the body.
  • said upstream portion of the insert comes into contact with the dispensing member when the spray head is assembled on said dispenser member.
  • said elastically deformable portion of the insert is deformed during assembly of the spray head on said dispensing member.
  • said downstream portion of the insert comprises a portion of reduced diameter axially offset from the downstream end of said insert, to form a chamber in the expulsion channel near said spray profile, so that said downstream end of the The insert may at least partially pivot relative to said reduced diameter portion, generating a ball-and-socket effect.
  • said elastically deformable portion of the insert is disposed at the upstream end of said insert.
  • the present invention also relates to a fluid dispenser device comprising a dispensing member, such as a pump, and a spray head as described above, assembled on said dispensing member.
  • the present invention which mainly concerns a particular implementation of a spray profile in a dispensing head of a fluid dispenser device, is adaptable to all fluid dispensing devices comprising such a spray profile.
  • a particularly advantageous application of the present invention relates to nasal delivery devices, and the present invention will therefore be described with reference to a nasal pusher. It should be clear, however, that the present invention is not limited to this application example.
  • a spray head 1 comprising a body 10 which incorporates an expulsion channel 11 which extends into said body 10 between an upstream part intended to connect to the dispensing member, for example a pump, of the dispensing device on which said spray head 1 will be applied, and a downstream end incorporating a dispensing orifice 12.
  • body 10 may comprise an inner sleeve 101, which defines the expulsion channel, and an outer portion 102.
  • an insert 20, also called internal nozzle is placed inside said expulsion channel 11, and preferably extends substantially over a large part of said expulsion channel 11.
  • said insert 20 fills to a large extent the volume of the delivery channel. expulsion 11, leaving only one or more narrow passage (s) as an expulsion channel. Also known, the downstream end of the insert 20, in the flow direction of the product, defines with the downstream end portion of the expulsion channel 11 (or bottom portion of the expulsion channel) a spray profile, which promotes a distribution of the fluid in finely pulverized form.
  • This spray pattern may be of any shape, but it generally has one or more swirl channels that connect the expulsion channel to a central swirl chamber disposed just upstream of the dispensing orifice.
  • the spray head 1 is intended to be associated with a dispensing member 2, such as a pump, a part of which is schematically represented on the Figures 4 and 5 .
  • the insert 20 comprises an elastically deformable portion 21, adapted to deform, for example to absorb deformations of the body 10 of the spray head 1, deformations that may be due to shocks or creep materials .
  • This elastically deformable portion 21 of the insert 20 thus generates a spring effect to compensate for the dimensional variations of the body 10 of the spray head 1.
  • the elastically deformable portion 21 can also act to absorb and / or compensate for dimensional variations of said insert 20 , and / or to compensate for deformations and / or displacements of said insert 20 in said body 10, for example during a displacement of the piston 2 which may cause over-stress on the insert or play or displacement of said insert.
  • FIGS. 2 to 5 which are schematic illustrations, represent this elastically deformable portion 21 in the form of a spring, but it is understood that this schematic representation relates to the spring function, and not the structure itself.
  • the figures 1 and 6 to 13 illustrate various possible structural forms to achieve this spring function in the elastically deformable portion 21 of the insert 20.
  • This elastically deformable portion 21 of the insert 20 also ensures a good definition of the geometry of the spray profile, by applying a certain pressing force on the downstream end of the insert 20, against the downstream end portion of the expulsion channel 11 (or bottom part of the expulsion channel). This guarantees a correct positioning in all circumstances of the insert 20 in the inner sleeve 101 defining the expulsion channel 11.
  • the elastically deformable portion 21 of the insert 20 also allows to pre-assemble the insert 20 in the body 10 of the spray head, and not to contact the insert with the bottom of the spray channel (or alternatively to increase the contact force) only when the spray head is assembled on the pump.
  • the figure 1 represents an advantageous embodiment, wherein the elastically deformable portion 21 is formed by deformable material bridges connecting an inner portion 201 of the insert 20 extending inside the inner sleeve 101 of the body 10 to an outer portion 202 of the insert 20 which remains outside said inner sleeve 101.
  • This outer portion 202 may in particular be fixed to the pump, and comprise an axial sleeve 203 extending axially around a portion of said inner sleeve 101 of the body 10, and a radial flange 204, which may be in contact with an inner surface of said outer portion 102 of said body 10.
  • This axial sleeve 203 and / or radial flange 204 are not necessarily associated with said bridges of material deformable connecting the inner portion 201 to the outer portion 202.
  • the insert 20 may deform at the level of said deformable material bridges, and thus absorb these variations, while maintaining a correct contact with the bottom of the expulsion channel, to ensure the integrity of the spray profile.
  • the insert 20 is entirely disposed inside the inner sleeve 101 of the body 10, and therefore has no external part as in the figure 1 .
  • the insert 20 has an upstream portion 25 and a downstream portion 26, in the direction of flow of the fluid, which are interconnected by said elastically deformable portion 21.
  • the lower part is held in the inner sleeve 101 by clamping.
  • one or more internal and / or external fluid passages are provided in this lower portion to allow the fluid to pass.
  • said inner portion 101 of the body 10 has an internal radial shoulder 103, said upstream portion 25 of the insert 20 abutting said shoulder 103 to maintain the insert 10 in said inner portion 101 of the body 10.
  • said upstream portion 25 of the insert 20 comes into contact with the dispensing member 2, in this case the outlet of the pump, when the spray head 1 is assembled on said dispensing member 2.
  • said part elastically deformable 21 of the insert 20 is deformed during this assembly of the spray head on said dispensing member. This optimizes the contact between the insert 20 and the body 10, to define the spray profile, only at the time of assembly.
  • said downstream portion 26 of the insert 20 may comprise a portion of reduced diameter 28 shifted axially from the downstream end 27 of said insert 20, to form a chamber 15 in the expulsion channel 11 near said spray profile.
  • said downstream end 27 of the insert 20 can at least partially pivot relative to said reduced diameter portion 28, generating a ball-and-socket effect, which further enables the contact between the insert 20 and the bottom of the channel to be further optimized. This allows in particular to compensate for a lack of perpendicularity between the insert and the bottom of the head.
  • FIGS 6 to 13 show various possible embodiments for the elastically deformable portion 21 of the insert.
  • said elastically deformable portion 21 of the insert 20 comprises axially and / or radially deformable lugs 210.
  • These blades may comprise inclined parts which will deform both axially and radially to generate the spring effect.
  • these tabs can be arranged at the upstream end of said insert 20.
  • the figure 10 shows an example in which said elastically deformable portion 21 of the insert 20 has an overmolded portion 220 of deformable material. This overmoulded part may also be disposed at the upstream end of said insert 20.
  • said elastically deformable portion 21 of the insert 20 has one or more radial openings 230, in this case three, passing through said insert 20.
  • the Figures 7 and 8 show an elastically deformable portion 21 of the insert 20 which comprises at least one strip of inclined deformable material 240. On the figure 7 , there is an S-shaped band, whereas on the figure 8 there are two X-shaped bands.
  • the spray head of the invention especially as described above with reference to the figures, of course adapts to any type of suitable fluid dispensing device.

Landscapes

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

Claims (10)

  1. Sprühkopf (1) für eine Ausgabevorrichtung für ein fluides Produkt, wobei der Sprühkopf (1) einen Körper (10), der einen Austreibkanal (11) definiert, der in einer Ausgabeöffnung (12) mündet, einen Einsatz (20), der in dem Austreibkanal (11) angeordnet ist, aufweist, wobei das stromabwärtige Ende des Einsatzes (20) in Fließrichtung des Produkts mit dem stromabwärtigen Endteil des Austreibkanals (11) ein Sprühprofil definiert, wobei der Einsatz (20) einen elastisch verformbaren Teil (21) aufweist, der dazu geeignet ist, sich zu verformen, um Größenänderungen des Körpers (10) und/oder des Einsatzes (20) aufzunehmen und/oder auszugleichen, und/oder um Verformungen und/oder Verschiebungen des Einsatzes (20) in dem Körper (10) auszugleichen, dadurch gekennzeichnet, dass der elastisch verformbare Teil (21) des Einsatzes (20) zwei Streifen aus einem verformbaren Material (240) aufweist, die in Form von einem X geneigt sind.
  2. Kopf nach Anspruch 1, wobei der Körper eine interne Hülse (101), die den Austreibkanal (11) bildet, und einen externen Körper (102) aufweist.
  3. Kopf nach Anspruch 2, wobei der Einsatz (20) vollständig im Inneren des internen Teils (101) des Körpers (10) angeordnet ist, wobei der Einsatz (20) einen in Fließrichtung des Fluids stromaufwärtigen (25) und einen stromabwärtigen Teil (26) aufweist, wobei der elastisch verformbare Teil (21) den stromaufwärtigen und den stromabwärtigen Teil (25, 26), miteinander verbindet.
  4. Kopf nach Anspruch 3, wobei der stromaufwärtige Teil (25) des Einsatzes (20) durch Pressen in dem internen Teil (101) des Körpers (10) montiert ist.
  5. Kopf nach Anspruch 3, wobei der interne Teil (101) des Körpers (10) einen internen radialen Absatz (103) aufweist, wobei der stromaufwärtige Teil (25) des Einsatzes (20) gegen den Absatz (103) anliegt, um den Einsatz (10) in dem internen Teil (101) des Körpers (10) zu halten.
  6. Kopf nach einem der vorhergehenden Ansprüche 3 bis 5, wobei der stromaufwärtige Teil (25) des Einsatzes (20) mit der Ausgabeeinrichtung (2) in Kontakt kommt, wenn der Sprühkopf (1) auf der Ausgabeeinrichtung (2) montiert wird.
  7. Kopf nach Anspruch 6, wobei der elastisch verformbare Teil (21) des Einsatzes (20) bei der Montage des Sprühkopfes (1) auf der Ausgabeeinrichtung (2) verformt wird.
  8. Kopf nach einem der vorhergehenden Ansprüche 3 bis 7, wobei der stromabwärtige Teil (26) des Einsatzes (20) einen Teil (28) mit verkleinertem Durchmesser aufweist, der axial zum stromabwärtigen Ende (27) des Einsatzes (20) versetzt ist, um eine Kammer (15) in dem Austreibkanal (11) in der Nähe des Sprühprofils zu bilden, so dass das stromabwärtige Ende (27) des Einsatzes (20) zumindest teilweise in Bezug auf den Teil (28) mit verkleinertem Durchmesser (28) schwenken kann, wodurch eine Kugelgelenkwirkung erzeugt wird.
  9. Kopf nach einem der vorhergehenden Ansprüche, wobei der elastisch verformbare Teil (21) des Einsatzes (20) an dem stromaufwärtigen Ende des Einsatzes (20) angeordnet ist.
  10. Ausgabevorrichtung für ein fluides Produkt, dadurch gekennzeichnet, dass sie eine Ausgabeeinrichtung (2), wie eine Pumpe, und einen Sprühkopf (1) nach einem der vorhergehenden Ansprüche, der auf der Ausgabeeinrichtung (2) montiert ist, aufweist.
EP14722261.6A 2013-04-08 2014-04-04 Verbesserter sprühkopf Active EP2983832B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1353102A FR3004128B1 (fr) 2013-04-08 2013-04-08 Tete de pulverisation amelioree.
PCT/FR2014/050814 WO2014167224A2 (fr) 2013-04-08 2014-04-04 Tete de pulverisation amelioree.

Publications (2)

Publication Number Publication Date
EP2983832A2 EP2983832A2 (de) 2016-02-17
EP2983832B1 true EP2983832B1 (de) 2017-07-19

Family

ID=48741391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14722261.6A Active EP2983832B1 (de) 2013-04-08 2014-04-04 Verbesserter sprühkopf

Country Status (6)

Country Link
US (1) US10092920B2 (de)
EP (1) EP2983832B1 (de)
JP (1) JP6348970B2 (de)
CN (1) CN105209176B (de)
FR (1) FR3004128B1 (de)
WO (1) WO2014167224A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106512156A (zh) * 2016-09-28 2017-03-22 苏州林华医疗器械股份有限公司 鼻疗雾化器
TWI669157B (zh) * 2016-11-06 2019-08-21 微邦科技股份有限公司 微結構噴嘴
PL3600687T3 (pl) * 2017-03-29 2023-04-11 Essity Hygiene And Health Aktiebolag Sprężyna z plastomeru z zaworem zatrzymującym
JP6801738B2 (ja) * 2019-04-12 2020-12-16 東洋製罐株式会社 エアゾール容器およびエアゾール容器のアクチュエータ
JP7193693B2 (ja) * 2020-09-11 2022-12-21 東洋製罐株式会社 吐出装置および無人航空機

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US4082223A (en) * 1975-12-06 1978-04-04 Yoshino Kogyosho Co., Ltd. Trigger type spraying device
US4273290A (en) * 1977-11-14 1981-06-16 The Afa Corporation Unitary valve and spring assembly
ZA785777B (en) 1977-11-14 1979-09-26 Afa Corp Unitary valve and spring assembly
US4365751A (en) * 1980-09-26 1982-12-28 Yoshino Kogyosho Co., Ltd. Trigger type liquid injector
DE3315334A1 (de) * 1983-04-28 1984-10-31 Pfeiffer Erich Gmbh & Co Kg Zerstaeuber- oder dosierpumpe
FR2547737B1 (fr) 1983-06-24 1988-04-08 Valois Sa Embout-poussoir pour pulverisateur medical
US4624413A (en) * 1985-01-23 1986-11-25 Corsette Douglas Frank Trigger type sprayer
US4773571A (en) * 1986-03-27 1988-09-27 Mckesson Corporation Seltzer package, valve, poppet and spring
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US5074440A (en) * 1990-07-16 1991-12-24 Alcon Laboratories, Inc. Container for dispensing preservative-free preparations
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US5720419A (en) * 1996-03-11 1998-02-24 Calmar Inc. Pre-compression pump sprayer having improved inlet and discharge valving and an improved pump priming feature
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Also Published As

Publication number Publication date
EP2983832A2 (de) 2016-02-17
JP6348970B2 (ja) 2018-06-27
US20160339464A1 (en) 2016-11-24
WO2014167224A3 (fr) 2014-12-18
WO2014167224A2 (fr) 2014-10-16
FR3004128A1 (fr) 2014-10-10
FR3004128B1 (fr) 2017-01-13
JP2016522013A (ja) 2016-07-28
CN105209176B (zh) 2017-04-12
US10092920B2 (en) 2018-10-09
CN105209176A (zh) 2015-12-30

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