EP1154863B1 - Vaporisateur pour liquides - Google Patents

Vaporisateur pour liquides Download PDF

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Publication number
EP1154863B1
EP1154863B1 EP00990022A EP00990022A EP1154863B1 EP 1154863 B1 EP1154863 B1 EP 1154863B1 EP 00990022 A EP00990022 A EP 00990022A EP 00990022 A EP00990022 A EP 00990022A EP 1154863 B1 EP1154863 B1 EP 1154863B1
Authority
EP
European Patent Office
Prior art keywords
nebulizer
liquid
fact
chamber
compression chamber
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 - Lifetime
Application number
EP00990022A
Other languages
German (de)
English (en)
Other versions
EP1154863A1 (fr
Inventor
Stefano Santagiuliana
Franco Iannascoli
Paolo Lobba
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.)
Taplast SRL
Original Assignee
Taplast SRL
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 Taplast SRL filed Critical Taplast SRL
Publication of EP1154863A1 publication Critical patent/EP1154863A1/fr
Application granted granted Critical
Publication of EP1154863B1 publication Critical patent/EP1154863B1/fr
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
    • 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
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/107—Gate valves; Sliding 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
    • B05B11/10—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
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure

Definitions

  • the invention refers to a nebulizer for liquids, perfumes and similar products, particularly suitable for temporary application to recipients containing the liquid to be delivered.
  • a nebulizer according to preamble of claim 1 is known from US-A-5025958.
  • liquids and in particular perfumes and similar products, can be nebulized by increasing the pressure of the liquid to be delivered by passing it through a nozzle equipped with holes gauged in relation to the density of the liquid to be delivered and the degree of nebulization to be obtained.
  • nebulizers special devices which are temporarily applied to the recipients containing the liquid to be nebulized and are activated manually by the user.
  • nebulizers generally include a hollow body with a compression chamber for the liquid communicating with a suction duct inserted in said liquid, whose opening/closing is controlled by means of valves.
  • a sealed piston in a sliding configuration coupled to the hollow body that moves in a contrasting manner with the elastic means, compresses and sucks the liquid contained in the compression chamber.
  • the sealed piston is equipped with a tubular chamber that communicates on one side with the compression chamber and on the other, through a choke, with a delivery duct for the liquid equipped with a nozzle.
  • a stopper plug sliding elastically inside the tubular chamber, opens/closes the choke and allows the liquid to flow.
  • the user by activating the piston, closes the valves, loads the elastic means and compresses the liquid contained in the compression chamber, gradually increasing its pressure.
  • the pressure is discharged on the stopper plug until the choke opens, allowing the pressurised liquid to reach the nozzle.
  • the elastic means After completing the delivery operation, the elastic means returns the piston to the initial position, generating a vacuum within the compression chamber, opening the valves and sucking the liquid, preparing the nebulizer for the next delivery operation.
  • the main problem with the nebulizers as described is that the elastic means used to make the movement of the sealed piston and the stopper plug smoother, consists of metallic helical springs. This makes it difficult to recycle the nebulizer because the metallic parts must first be separated from the plastic parts.
  • Such elastic elements have a compression curve R that is different from the expansion curve D, thus significantly increasing the complexity in creating elements with characteristics that are similar to those of the metallic helical springs.
  • the purpose of this invention is to solve the aforementioned problems.
  • the purpose of this invention is to build an all-plastic nebulizer.
  • a nebulizer for liquids equipped with a cap to be coupled to the neck of a recipient containing the liquid to be delivered that in accordance with the main claim includes:
  • the advantage of this invention is that it reduces the number of elements comprising the nebulizer with respect to the known types.
  • Another advantage of the invention is that it improves the nebulization of the liquid with respect to the known types of nebulizers.
  • nebulizer described in this invention is represented in fig. 3 where it is indicated overall with 1 at neck O of a recipient C containing a liquid L to be delivered and includes a hollow body 3 that at the top consists of a liquid compression chamber 4 which communicates with the interior of the recipient C, through a suction duct 5 immersed in the liquid L.
  • Valves are installed downstream of the suction duct 5 and are used to open/close it during the various operating phases of the nebulizer 1.
  • the first sealed piston 7 is coupled in a sliding configuration to the hollow body 3 and is equipped intemally with a tubular chamber 8 which, through a passage way 9, communicates with the compression chamber 4 and by means of a choke 10, communicates with a delivery channel 11 for the liquid L with a nozzle 12 to nebulize said liquid L.
  • a stopper plug 13 is coupled in a sliding configuration to the interior of the tubular chamber 8 and moves in a contrasting manner with the first set of elastic means 14 to open/dose the choke 10.
  • a second set of elastic means 15 installed between the hollow body 3 and the sealed piston 7 is loaded during the liquid L compression phase and, once delivery has been completed, allows the sealed piston 7 to return to the resting position with an elastic movement.
  • the first set of elastic means 14 must be built with non-metallic elastic materials, for instance elastomers, such as thermoplastic rubber.
  • the elastic element basically has a cylindrical shape but, based on another executive arrangement, can also be spherical 14a, as shown in figs. 4 and 5.
  • a spherical elastomer element 14a is shown which is placed in contact with the sealed piston 7 by means of a projection 16 for which a sudden elastic yield can be obtained at the critical force.
  • a projection 16 for which a sudden elastic yield can be obtained at the critical force.
  • the second set of elastic means 15 consists of a compression spring 17 made with plastic material having, in the preferred version, a truncated conic shape but that, according to additional shapes, can also be, for example, cylindrical.
  • the perimeter of the compression spring 17 has a spiral ribbing 18 that guarantees the necessary elastic performances at said spring.
  • valves 6 For what concerns the valves 6, they include a valve element installed near the bottom of the compression chamber 4, represented in detail in figs. 6 and 7, designed to close/open the suction duct 5 of the liquid L.
  • It consists substantially of a main flat body 20 that on the exterior has projecting elastic spokes 21 that are coplanar to it in what is basically a spiral shape.
  • the user loads the compression spring 17, as shown in fig. 8, by exerting pressure P on the first sealed piston 7 and pushes the main body 20 against the walls of the compression chamber 4.
  • the main body 20 closes the suction duct 5, allowing the piston 7 to compress the liquid L inside the compression chamber 4.
  • the pressure increasing gradually, is discharged through the communication duct 9 on the stopper plug 13 that, in turn, compresses the elastomer 14.
  • the compression spring 17 returns the sealed piston 7 to its initial position, generating a vacuum inside the compression chamber 4.
  • This vacuum lifts the main body 20 and opens the suction duct 5, allowing the liquid L to flow within the compression chamber 4 and preparing the nebulizer 1 for the next delivery operation.
  • An executive arrangement of the nebulizer that is the subject of the invention indicated with 100 is shown in detail in fig. 11 and differs from the pervious one owing to the different construction of the valves 6 designed to open/close the suction duct 5 for the liquid L.
  • valves 6 consist of a second sealed piston 23 that is solidly joined to the first sealed piston 7, coupled in a sliding configuration to a suction chamber 22 built along the extension of the compression chamber 4, installed between the latter and the suction duct 5 for the liquid L.
  • Figures 12 and 13 demonstrate the similar operating phases of the executive arrangement of the nebulizer of fig. 11.
  • Another executive arrangement represented in fig. 14, and indicated overall with 101, shows how the suction duct 5 for the liquid L can be closed during the compression phase by using a diaphragm 24 that adhering to the stem 25 of the second sealed piston 23, guarantees the seal necessary for compression and suction of the liquid L.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Closures For Containers (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Catching Or Destruction (AREA)

Claims (12)

  1. Pulvérisateur (1, 100, 101) pour liquides équipé d'un capuchon pour l'accouplement (2) au goulot (O) d'un récipient (C) qui contient ledit liquide (L) devant être distribué, comprenant:
    au moins un corps creux (3) qui, dans sa partie supérieure, se compose d'une chambre de compression (4) pour ledit liquide (L);
    au moins un tuyau d'aspiration (5) pour ledit liquide au moins partiellement immergé dans ledit liquide (L) communiquant avec ladite chambre de compression (4);
    des soupapes (6) installées en aval dudit tuyau d'aspiration (5) pour le liquide (L) pour l'ouverture/fermeture dudit tuyau d'aspiration (5);
    un premier piston étanche (7) couplé d'une manière coulissante audit corps creux (3), équipé dans la partie intérieure d'une chambre tubulaire (8) qui communique à travers un tuyau de communication (9) avec ladite chambre de compression (4) et au moyen d'un étrangleur (10) avec un canal de refoulement (11) pour le liquide (L), et ledit canal de refoulement (11) étant équipé d'une buse (12) pour pulvériser ledit liquide pressurisé (L);
    un bouchon de fermeture (13) coulissant à l'intérieur de ladite chambre tubulaire (8) qui bouge d'une manière contrastante avec un premier groupe de moyens élastiques (14) pour l'ouverture/fermeture dudit étrangleur (10) ;
    caractérisé en ce qu'un deuxième groupe de moyens élastiques (15) est installé entre ledit capuchon (2) pour l'accouplement au goulot et à l'actuateur de pompe et en ce que ledit premier groupe de moyens élastiques (14) est réalisé en matériels non métalliques.
  2. Pulvérisateur (1, 100, 101) selon la revendication 1) caractérisé en ce que lesdits matériels non métalliques sont des élastomères.
  3. Pulvérisateur (1, 100, 101) selon la revendication 1) caractérisé en ce que lesdits moyens élastiques (15) se composent d'un ressort de compression (17) réalisé en matériel plastique.
  4. Pulvérisateur (1, 100, 101) selon la revendication 3) caractérisé en ce que ledit ressort de compression (17) a une forme à troc de cône.
  5. Pulvérisateur (1, 100, 101) selon la revendication 3) caractérisé en ce que ledit ressort de compression (17) a une forme cylindrique.
  6. Pulvérisateur (1, 100, 101) selon la revendication 3), 4) ou 5) caractérisé en ce que ledit ressort de compression (17) a au moins une nervure en spirale (18) le long du périmètre.
  7. Pulvérisateur (1) selon la revendication 1) caractérisé en ce que lesdites soupapes (6) comprennent un élément de valve installé près du fond de ladite chambre de compression (4) et conçu pour fermer ledit tuyau d'aspiration (5) pour le liquide (L).
  8. Pulvérisateur (1) selon la revendication 7) caractérisé en ce que ledit élément de valve comprend un corps principal essentiellement plan (20) équipé de rayons élastiques saillants (21) qui sont essentiellement coplanaires par rapport à celui-ci.
  9. Pulvérisateur (1) selon la revendication 8) caractérisé en ce que lesdits rayons élastiques (21) sont en forme de spirale.
  10. Pulvérisateur (100, 101) selon la revendication 1) caractérisé en ce que ledit corps creux (3) se compose, dans sa partie inférieure, d'une chambre d'aspiration (22) réalisée le long de l'extension de ladite chambre de compression (4) et installée entre cette dernière et ledit tuyau d'aspiration (5) pour le liquide (L).
  11. Pulvérisateur (100, 101) selon la revendication 10) caractérisé en ce que lesdites soupapes (6) se composent d'un deuxième piston étanche (23) couplé d'une manière coulissante à ladite chambre d'aspiration (22) et fixé solidairement audit premier piston étanche (7).
  12. Pulvérisateur (101) selon la revendication 11) caractérisé en ce que lesdites soupapes (6) se composent d'un diaphragme (24) fixé solidairement à la chambre de compression (4) qui adhère à la tige (25) d'un deuxième piston étanche (23) couplé d'une manière coulissante à ladite chambre d'aspiration (22) et relié solidairement audit premier piston étanche (7) quand ledit pulvérisateur (1) est actionné.
EP00990022A 1999-12-24 2000-12-22 Vaporisateur pour liquides Expired - Lifetime EP1154863B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITVI990265 1999-12-24
IT1999VI000265A IT1307537B1 (it) 1999-12-24 1999-12-24 Vaporizzatore per liquidi
PCT/EP2000/013211 WO2001047641A1 (fr) 1999-12-24 2000-12-22 Vaporisateur pour liquides

Publications (2)

Publication Number Publication Date
EP1154863A1 EP1154863A1 (fr) 2001-11-21
EP1154863B1 true EP1154863B1 (fr) 2003-04-09

Family

ID=11427240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00990022A Expired - Lifetime EP1154863B1 (fr) 1999-12-24 2000-12-22 Vaporisateur pour liquides

Country Status (7)

Country Link
EP (1) EP1154863B1 (fr)
AT (1) ATE236731T1 (fr)
AU (1) AU2676601A (fr)
DE (1) DE60002052T2 (fr)
ES (1) ES2195953T3 (fr)
IT (1) IT1307537B1 (fr)
WO (1) WO2001047641A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1404091B1 (it) * 2011-01-31 2013-11-08 Taplast Srl Elemento elastico per un dispositivo per l'erogazione di fluidi o miscele e dipositivo comprendente tale elemento elastico.
WO2021155449A1 (fr) 2020-02-04 2021-08-12 Eric Zembrod Mécanisme de pression pour emballages divers destiné à l'extraction de produits fluidiques
WO2023139260A1 (fr) 2022-01-24 2023-07-27 Aptar Dortmund Gmbh Ressort de soupape, pompe, unité de distribution et distributeur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1086022B (it) * 1977-09-05 1985-05-28 Coster Tecnologie Speciali Spa Pompetta manuale alternativa nebulizzatrice di liquidi,come profumi ed altri liquidi
ES2024213A6 (es) * 1990-04-26 1992-02-16 Monturas Sa Perfeccionamientos en el objeto de la patente de invencion 88 03075 por bomba pulverizadora.
DE4332869C2 (de) * 1993-09-27 1995-10-19 Perfect Ventil Gmbh Dosierpumpe
IT1280284B1 (it) * 1995-03-10 1998-01-08 Taplast Srl Ora Taplast S P A Pompa dosatrice in plastica per l'erogazione di prodotti da contenitori
DE19606702A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien

Also Published As

Publication number Publication date
WO2001047641A1 (fr) 2001-07-05
DE60002052D1 (de) 2003-05-15
ITVI990265A1 (it) 2001-06-25
ATE236731T1 (de) 2003-04-15
AU2676601A (en) 2001-07-09
DE60002052T2 (de) 2004-03-04
ES2195953T3 (es) 2003-12-16
IT1307537B1 (it) 2001-11-06
EP1154863A1 (fr) 2001-11-21

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