FR2635084A1 - Dispensing adapters - Google Patents

Dispensing adapters Download PDF

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Publication number
FR2635084A1
FR2635084A1 FR8810681A FR8810681A FR2635084A1 FR 2635084 A1 FR2635084 A1 FR 2635084A1 FR 8810681 A FR8810681 A FR 8810681A FR 8810681 A FR8810681 A FR 8810681A FR 2635084 A1 FR2635084 A1 FR 2635084A1
Authority
FR
France
Prior art keywords
valve
nozzle
end piece
channel
piece 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.)
Granted
Application number
FR8810681A
Other languages
French (fr)
Other versions
FR2635084B1 (en
Inventor
Jean-Louis Bougamont
Alain Behar
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Sofab 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 Sofab SA filed Critical Sofab SA
Priority to FR8810681A priority Critical patent/FR2635084B1/en
Priority to IT8921458A priority patent/IT1230532B/en
Publication of FR2635084A1 publication Critical patent/FR2635084A1/en
Application granted granted Critical
Publication of FR2635084B1 publication Critical patent/FR2635084B1/en
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
    • B05B11/0005—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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets
    • B65D83/7535—Outlet valves opened by the product to be delivered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The invention relates to dispensing adapters for fluid products, from the channel of which a miniaturised valve 7, 8 blocks the emission orifice, giving way during functioning under the effect of the driving pressure used. This valve will preferably be in the form of a circular cupola 7a with its concaveness facing downstream and inserted, at the outlet of the channel 2, in a circular chamber formed upstream of the dispensing nozzle. On packages generally intended for ambulatory use, in particular the spraying of aerosols and particularly of medicines, it prevents the oozing of liquid in the rest state.

Description

EMBOUTS DE DISTRIBUTEURS
Il existe divers types de conditionnements pour produits fluides, en particulier de conditionnements de faible capacité, aisément transportables, qui permettent de distribuer ces produits sous forme pulvérisée.DISTRIBUTOR TIPS
There are various types of packaging for fluid products, in particular of low capacity packaging, easily transportable, which make it possible to distribute these products in sprayed form.

Si le produit actif n'est pas lui-même volatil, une version très répandue de pulverisateurs manuels recourt a sa mise en solution ou en suspension dans un liquide vecteur volatil, l'intérieur d'un récipient pressurise equipe d'une valve distributrice, que coiffe un embout muni à son extrémité d'une buse de distribution rapporté. La valve peut être simple ou doseuse ; a son ouverture, la vaporisation du liquide entraine le produit et provoque la formation d'un aerosol. If the active product is not itself volatile, a very widespread version of manual sprayers uses its dissolution or suspension in a volatile carrier liquid, the interior of a pressurized container fitted with a dispensing valve, that a cap fitted at its end with an attached dispensing nozzle. The valve can be simple or dosing; when opened, the vaporization of the liquid causes the product and causes the formation of an aerosol.

Le liquide vecteur est quelquefois du butane mais appartient en general a la famille des hydrocarbures fluorés, et les inconvenients de ces composes conduisent à en ecarter l'emploi. Aussi recourt-on de plus en plus soit a des pompes miniaturisées, soit a une pressurisation indirecte sous l'effet de la pression transmise par un gaz enferme dans une poche interne souple. The carrier liquid is sometimes butane but generally belongs to the family of fluorinated hydrocarbons, and the disadvantages of these compounds lead to discard their use. We therefore resort more and more to miniaturized pumps, or to indirect pressurization under the effect of the pressure transmitted by a gas enclosed in a flexible internal pocket.

Dans l'un ou l'autre de ces derniers cas, l'expulsion du fluide cesse tres vite faute d'énergie propre lorsque l'appareil se referme et que la pression interne au recipient cesse de s'exercer : une certaine quantite de produit subsiste donc dans le canal d'évacuation de l'embout du distributeur.Bien que ce canal soit assez fin sinon capillaire et que des précautions soient généralement prises en cas de besoin, pour qu'au repos, seul son orifice d'emission mais non son orifice d'admission reste ouvert, il y a la un inconvenient notable ; en effet, generalement destines à des usages ambulatoires, les conditionnements sont alors transportes dans des positions quelconques et soumis en outre des variation; de température ; le liquide restant tend alors å suinter. In either of these latter cases, the expulsion of the fluid ceases very quickly for lack of clean energy when the device closes and the internal pressure in the container ceases to exert: a certain amount of product So there remains in the outlet channel of the dispenser tip. Although this channel is quite fine if not capillary and precautions are generally taken when necessary, so that at rest, only its emission orifice but not its inlet remains open, there is a notable drawback; indeed, generally intended for ambulatory uses, the packages are then transported in any positions and further subjected to variations; temperature; the remaining liquid then tends to ooze.

Ce phénomène est particulierement gênant si le canal est long ou le produit plus ou moins huileux, caracteres souvent reunis en particulier sur les medicaments. This phenomenon is particularly annoying if the canal is long or the product more or less oily, characteristics often found in particular on drugs.

L'invention propose d'eliminer cet inconvenient en obturant l'orifice d'émission du canal par un clapet miniaturisé a lèvres assez souples pour avoir un comportement élastique : assez puissant pour fermer l'orifice au repos, avec une bonne efficacité, il cédera néammoins en cours de fonctionnement sous l'effet de la pression motrice mise en oeuvre, pour laisser passer un flux normal de liquide. The invention proposes to eliminate this drawback by closing the emission orifice of the channel with a miniature valve with lips flexible enough to have an elastic behavior: powerful enough to close the orifice at rest, with good efficiency, it will yield nonetheless during operation under the effect of the driving pressure used, to allow a normal flow of liquid to pass.

De façon avantageuse ce clapet sera insere, a la sortie du canal, dans une chambre circulaire ménagée en amont de la buse de distribution et maintenu non pas a force mais en appui sur cette dernière. Il pourrait alors revêtir la forme d'une douille porteuse d'une valvule multicuspide mais aura de préférence celle d'une cupule circulaire a concavité tournée vers l'aval et a levres périphériques non fendues ; plus efficace, cette dernière forme assure une meilleure repartition centrifuge du fluide vers les canaux usuellement menages le long de la paroi latérale de la buse. Advantageously, this valve will be inserted, at the outlet of the channel, in a circular chamber formed upstream of the dispensing nozzle and maintained not by force but supported on the latter. It could then take the form of a socket carrying a multicuspid valve but will preferably have that of a circular cup with concavity turned downstream and with non-split peripheral lips; more efficient, this latter form ensures better centrifugal distribution of the fluid towards the channels usually arranged along the side wall of the nozzle.

Une structure d'embout particulièrement avantageuse sera notamment décrite ci-dessous de façon plus détaillée, en reference aux dessins, qui montrent
- Figure 1 : une coupe partielle d'un embout selon l'invention,
- Figure 2 : une vue laterale de son clapet,
- Figure 3 : une vue en bout du clapet,
- Figure 4 : une vue latérale d'une variante de clapet,
- Figure 5 : une vue en bout de cette variante.A particularly advantageous tip structure will in particular be described below in more detail, with reference to the drawings, which show
- Figure 1: a partial section of a tip according to the invention,
- Figure 2: a side view of its valve,
- Figure 3: an end view of the valve,
- Figure 4: a side view of a variant valve,
- Figure 5: an end view of this variant.

La figure 1 montre l'extrémité de la canule 1 d'un embout de distributeur de modèle couramment utilise en oto-rhino-laryngologie ; de telles canules, d'une lonoueur de l'ordre de 5 a 10 cm, sont plus ou moins perpendiculaires a l'axe du corps non represente de l'embout. Celui-ci vient s'adapter sur la valve du recipient qui contient le médicament. Figure 1 shows the end of the cannula 1 of a model dispenser nozzle commonly used in otolaryngology; such cannulas, with a length of the order of 5 to 10 cm, are more or less perpendicular to the axis of the body not represented by the nozzle. This fits on the valve of the container that contains the medicine.

Le canal interne 2, d'un diamètre de l'ordre de 1,5 mm, debouche sur un double chambrage cylindrique 3 qui reçoit la buse de "micronisation" et dont le fond porte des nervures 3a destinees å fournir un passage radial centrifuge au fluide. La buse comporte une coupelle 4, munie de rainures 4a destinées a faire tourbillonner le jet fluide, coiffant un noyau 5, centré dans la partie postérieure 3b du chambrage par des ailettes 5a ;; penétrant aussi dans la partie antérieure avec un jeu qui menage a sa périphérie un passage 6 mais raccourci par rapport a sa longueur habituelle, ce noyau laisse subsister une chambre 3c dans laquelle le clapet 7 selon l'invention vient se loger au contact des parois latérales. The internal channel 2, with a diameter of the order of 1.5 mm, opens onto a double cylindrical recess 3 which receives the "micronization" nozzle and the bottom of which carries ribs 3a intended to provide a centrifugal radial passage to the fluid. The nozzle comprises a cup 4, provided with grooves 4a intended to swirl the fluid jet, covering a core 5, centered in the rear part 3b of the recess by fins 5a; also penetrating into the front part with a clearance which leads to its periphery a passage 6 but shortened compared to its usual length, this core leaves a chamber 3c in which the valve 7 according to the invention is housed in contact with the side walls .

Representé a l'échelle sur les figures 2 et 3, ce clapet presente la forme d'une cupule 7a, 9 lèvres périphériques minces 7b et concavité tournée vers l'aval, dont l'épaisseur maximale ne depasse pas 0,5 mm. Cette cupule se trouve ici situee dans l'axe d'un-tenon 7c, dirigé en sens oppose et rainure en Y. Le clapet n'est pas place å force mais centré sur le canal 2 par le tenon 7c, qui pénètre å frottement doux ; c'est un tronc 7d qui, venant en appui, å l'opposé, sur le noyau central 5, au montage puis sous l'effet de la pression de fonctionnement, fixe la distance qui en separe les levres 7b. Represented to scale in Figures 2 and 3, this valve has the shape of a cup 7a, 9 thin peripheral lips 7b and concavity turned downstream, the maximum thickness of which does not exceed 0.5 mm. This cup is located here in the axis of a tenon 7c, directed in opposite direction and Y-groove. The valve is not placed by force but centered on the channel 2 by the tenon 7c, which penetrates by friction sweet; it is a trunk 7d which, coming to bear, opposite, on the central core 5, during assembly then under the effect of the operating pressure, fixes the distance which separates the lips 7b therefrom.

Lors du fonctionnement, la pression interne fait ceder les levres 7b dans l'espace disponible, permettant au fluide de s'ecouler a la périphérie ; ensuite ces levres reviennent au contact de la paroi, fermant l'issue du canal 2, dont le liquide ne peut plus s'écouler. During operation, the internal pressure causes the lips 7b to yield in the space available, allowing the fluid to flow at the periphery; then these lips come back into contact with the wall, closing the outlet of channel 2, from which the liquid can no longer flow.

Il est a noter que le tronc 7d, s'adaptant sur le noyau 5, pourrait au besoin servir a lui seul au centrage, et même l'ensemble du clapet se trouver solidaire de la buse. It should be noted that the trunk 7d, adapting to the core 5, could if necessary be used alone for centering, and even the whole of the valve be secured to the nozzle.

Dans la variante des figures 4 et 5, le clapet revêt la forme d'une valvule tricuspide 8a portée par une douille de centrage 8b. Alors que sa fabrication est plus difficile, une telle structure est toutefois moins avantageuse car le fluide a tendance a s'échapper vers le centre entre les trois lèvres et non pas a se repartir vers la peripherie du  In the variant of Figures 4 and 5, the valve takes the form of a tricuspid valve 8a carried by a centering sleeve 8b. While its manufacture is more difficult, such a structure is however less advantageous because the fluid tends to escape towards the center between the three lips and not to spread out towards the periphery of the

Claims (10)

REVEN DICAT I(MSREVEN DICAT I (MS 1. Embout de distributeur de liquides sous pression, caractérisé en ce que l'orifice d'emission de son canal d'evacuation (2) est obturé par un clapet miniaturisé (7) a lèvres assez souples pour avoir un comportement élastique. 1. Nozzle for distributor of pressurized liquids, characterized in that the emission orifice of its evacuation channel (2) is closed by a miniaturized valve (7) with lips flexible enough to have an elastic behavior. 2. Embout selon la revendication 1, caractérisé en ce que le clapet est Inséré, å la sortie du canal, dansune chambre circulaire (3b), en amont d'une buse de distribution rapportée (4,5). 2. End piece according to claim 1, characterized in that the valve is inserted, at the outlet of the channel, in a circular chamber (3b), upstream of an attached dispensing nozzle (4,5). 3. Embout selon la revendication 2, caractérisé en ce que le clapet est maintenu en appui sur la buse de distribution par la pression de fonctionnement. 3. A nozzle according to claim 2, characterized in that the valve is held in abutment on the dispensing nozzle by the operating pressure. 4. Embout selon l'une des revendication 2 et 3, caractérisé en ce que le clapet revêt la forme d'une cupule circulaire (7a) a concavite tournee vers l'aval, dont les lèvres périphériques minces (7b), non fendues, viennent au contact des parois latérales de la chambre. 4. End piece according to one of claims 2 and 3, characterized in that the valve takes the form of a circular cup (7a) with a concavity turned downstream, including the thin peripheral lips (7b), not split, come into contact with the side walls of the chamber. 5. Embout selon la revendication 4, caracterise en ce que la cupule se trouve située dans l'axe d'un tenon (7c) dirigé en sens opposé a celui de sa concavité. 5. A tip according to claim 4, characterized in that the cup is located in the axis of a stud (7c) directed in the opposite direction to that of its concavity. 6. Embout selon la revendication 5, caractérisé en ce que le clapet est centré a frottement doux sur le canal (2) par le tenon (7c). 6. End piece according to claim 5, characterized in that the valve is centered with gentle friction on the channel (2) by the tenon (7c). 7. Embout selon la revendication 4, caractérise en ce que la cupule se trouve situee dans l'axe d'un tronc (7d) dirige dans le sens de sa concavite.  7. End piece according to claim 4, characterized in that the cup is located in the axis of a trunk (7d) directed in the direction of its concavity. 8. Embout selon la revendication 7, caractérisé en ce que le tronc vient centrer le clapet en appui sur la buse de distribution. 8. A nozzle according to claim 7, characterized in that the trunk centers the valve resting on the dispensing nozzle. 9. Embout selon l'une des revendication 5 et 6, caractérise en ce qu'un tronc (7d), en simple appui a l'opposé du tenon sur le noyau central de la buse de distribution fixe la distance qui sépare les lèvres (7b) de ce noyau. 9. End piece according to one of claims 5 and 6, characterized in that a trunk (7d), by simple support opposite the tenon on the central core of the dispensing nozzle fixes the distance between the lips ( 7b) of this nucleus. 10. Application d'un embout selon l'une des revendications précédentes 9 la pulverisation d'aérosols.  10. Application of a nozzle according to one of the preceding claims 9, the spraying of aerosols.
FR8810681A 1988-08-08 1988-08-08 DISTRIBUTOR TIPS Expired - Lifetime FR2635084B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8810681A FR2635084B1 (en) 1988-08-08 1988-08-08 DISTRIBUTOR TIPS
IT8921458A IT1230532B (en) 1988-08-08 1989-08-04 MOUTHPIECES FOR DISTRIBUTORS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810681A FR2635084B1 (en) 1988-08-08 1988-08-08 DISTRIBUTOR TIPS

Publications (2)

Publication Number Publication Date
FR2635084A1 true FR2635084A1 (en) 1990-02-09
FR2635084B1 FR2635084B1 (en) 1991-04-12

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Family Applications (1)

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FR8810681A Expired - Lifetime FR2635084B1 (en) 1988-08-08 1988-08-08 DISTRIBUTOR TIPS

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FR (1) FR2635084B1 (en)
IT (1) IT1230532B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388651A2 (en) * 1989-03-18 1990-09-26 Ing. Erich Pfeiffer GmbH Device for discharging a fluid
EP0452728A1 (en) * 1990-04-17 1991-10-23 Coster Tecnologie Speciali S.P.A. Device for nasal or oral administration of medicaments
EP0471610A1 (en) * 1990-08-17 1992-02-19 S O F A B Nozzle with incorporated valve
EP0526824A3 (en) * 1991-08-07 1993-03-31 Becton Dickinson And Company Syringe sprayer
US5509221A (en) * 1994-05-10 1996-04-23 Black & Decker Inc. Spray nozzle assembly for an electric iron
FR2746657A1 (en) * 1996-03-29 1997-10-03 Sofab ANTIBACTERIAL DEVICE FOR SPRAYING A LIQUID PRODUCT
EP1327477A1 (en) * 2002-01-10 2003-07-16 AERO PUMP GMBH Zerstäuberpumpen A force and suction pump actuator for spraying of a product from a container
WO2004069664A2 (en) * 2003-02-04 2004-08-19 Bespak Plc Closure member
US6824021B2 (en) 2002-01-10 2004-11-30 Aero Pump GmbH, Zerstäuberpumpen Actuating head of a double-acting pump for ejecting a product from a container
US7296566B2 (en) 1999-10-14 2007-11-20 Becton, Dickinson And Company Nasal delivery device including spray nozzle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539302A (en) * 1966-09-26 1968-09-13 Gillette Co Container for aerosols and the like
US3545682A (en) * 1968-10-09 1970-12-08 Walter C Beard Dispensing device
EP0024333A1 (en) * 1979-08-16 1981-03-04 Canyon Corporation Foam dispenser
EP0128585A2 (en) * 1983-06-13 1984-12-19 AFA Products, Inc. Hand manipulatable sprayer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539302A (en) * 1966-09-26 1968-09-13 Gillette Co Container for aerosols and the like
US3545682A (en) * 1968-10-09 1970-12-08 Walter C Beard Dispensing device
EP0024333A1 (en) * 1979-08-16 1981-03-04 Canyon Corporation Foam dispenser
EP0128585A2 (en) * 1983-06-13 1984-12-19 AFA Products, Inc. Hand manipulatable sprayer

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388651A3 (en) * 1989-03-18 1991-05-29 Ing. Erich Pfeiffer GmbH Device for discharging a fluid
EP0388651A2 (en) * 1989-03-18 1990-09-26 Ing. Erich Pfeiffer GmbH Device for discharging a fluid
EP0452728A1 (en) * 1990-04-17 1991-10-23 Coster Tecnologie Speciali S.P.A. Device for nasal or oral administration of medicaments
US5284132A (en) * 1990-04-17 1994-02-08 Coster Technologie Speciali S.P.A. Device for the transnasal or oral administration of drugs or the like
EP0471610A1 (en) * 1990-08-17 1992-02-19 S O F A B Nozzle with incorporated valve
FR2665848A1 (en) * 1990-08-17 1992-02-21 Aerosols & Bouchage NOZZLES WITH CLAPPER INCORPORATED.
US5181658A (en) * 1990-08-17 1993-01-26 Societe Francaise D'aerosols Et De Bonchage Nozzle with incorporated valve
US5601077A (en) * 1991-08-07 1997-02-11 Becton, Dickinson And Company Nasal syringe sprayer with removable dose limiting structure
EP0526824A3 (en) * 1991-08-07 1993-03-31 Becton Dickinson And Company Syringe sprayer
US5509221A (en) * 1994-05-10 1996-04-23 Black & Decker Inc. Spray nozzle assembly for an electric iron
FR2746657A1 (en) * 1996-03-29 1997-10-03 Sofab ANTIBACTERIAL DEVICE FOR SPRAYING A LIQUID PRODUCT
WO1997036690A1 (en) * 1996-03-29 1997-10-09 Sofab Antibacterial device for spraying a liquid
US7296566B2 (en) 1999-10-14 2007-11-20 Becton, Dickinson And Company Nasal delivery device including spray nozzle
EP1327477A1 (en) * 2002-01-10 2003-07-16 AERO PUMP GMBH Zerstäuberpumpen A force and suction pump actuator for spraying of a product from a container
US6776312B2 (en) 2002-01-10 2004-08-17 Aero Pump GmbH, Zerstäuberpumpen Actuating head of a double-acting pump for ejecting a product from a container
US6824021B2 (en) 2002-01-10 2004-11-30 Aero Pump GmbH, Zerstäuberpumpen Actuating head of a double-acting pump for ejecting a product from a container
WO2004069664A2 (en) * 2003-02-04 2004-08-19 Bespak Plc Closure member
WO2004069664A3 (en) * 2003-02-04 2007-03-01 Bespak Plc Closure member
US7731065B2 (en) 2003-02-04 2010-06-08 Consort Medical Plc Closure member

Also Published As

Publication number Publication date
IT8921458A0 (en) 1989-08-04
FR2635084B1 (en) 1991-04-12
IT1230532B (en) 1991-10-28

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