EP0471610B1 - Nozzle with incorporated valve - Google Patents

Nozzle with incorporated valve Download PDF

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Publication number
EP0471610B1
EP0471610B1 EP19910402204 EP91402204A EP0471610B1 EP 0471610 B1 EP0471610 B1 EP 0471610B1 EP 19910402204 EP19910402204 EP 19910402204 EP 91402204 A EP91402204 A EP 91402204A EP 0471610 B1 EP0471610 B1 EP 0471610B1
Authority
EP
European Patent Office
Prior art keywords
characterized
valve
core
nozzle according
sleeve
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
EP19910402204
Other languages
German (de)
French (fr)
Other versions
EP0471610A1 (en
Inventor
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.)
S O F A B
SOFAB
Original Assignee
S O F A B
SOFAB
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
Priority to FR9010441 priority Critical
Priority to FR9010441A priority patent/FR2665848B1/en
Application filed by S O F A B, SOFAB filed Critical S O F A B
Publication of EP0471610A1 publication Critical patent/EP0471610A1/en
Application granted granted Critical
Publication of EP0471610B1 publication Critical patent/EP0471610B1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/0005Components or details
    • B05B11/0062Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007Outlet 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, 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
    • B05B1/3405Nozzles, 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
    • B05B1/341Nozzles, 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
    • B05B1/3421Nozzles, 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
    • B05B1/3431Nozzles, 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
    • B05B1/3436Nozzles, 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

Description

  • Il est connu de distribuer de nombreux produits sous forme pulvérisée, en particulier à l'aide de vaporisateurs manuels, souvent de petites dimensions : la substance active est généralement enfermée en solution ou en suspension dans un milieu liquide qui peut être expulsé sous pression à travers une buse pulvérisatrice grâce à l'action de l'opérateur sur une tête de commande. It is known to dispense many products in powder form, in particular using manual sprays, often of small dimensions: the active substance is generally enclosed in solution or in suspension in a liquid medium which may be expelled under pressure through a spray nozzle by the action of the operator on a control head. Facultativement mais de façon très générale, la buse est placée sur la tête de commande, elle-même montée sur un distributeur, valve ou pompe, à gicleur axial ; Optionally but very general way, the nozzle is placed on the control head, itself mounted on a distributor valve or pump, axial nozzle; cette tête, au besoin équipée d'un embout convenable, sert ainsi en même temps de tête pulvérisatrice au vaporisateur. this head, if necessary equipped with a suitable tip, thus serves at the same time to spray atomizing head.
  • Par raison d'hygiène, de conservation du produit ou de simple commodité pour éviter les bouchages ou suintements de liquide entre deux utilisations, il est utile d'obtenir l'étanchéité du vaporisateur au repos contre toute entrée d'air ou fuite de liquide et, pour y parvenir directement donc commodément en dispensant de prévoir un bouchon, divers types de clapets ont déjà été envisagés ; For reasons of hygiene, preservation of the product or mere convenience to avoid blockages or liquid seeps between uses, it is useful to obtain the seal of spray resting against any entry of air or fluid leakage and to achieve this so conveniently directly by providing a plug to provide various types of valves have been considered; encore ne doivent-ils pas empêcher le bon fonctionnement. yet they should not prevent proper operation.
  • D'autre part plusieurs types de buses ont pu être conçus, dans lesquels un opercule percé d'un étroit orifice coopère avec un noyau axial interne pour former un système tourbillonnaire de canaux. Moreover several types of nozzles have been designed, wherein a lid pierced with a narrow orifice cooperates with an internal axial core to form a vortex system channels. Un modèle simple et efficace est désormais d'usage quasi universel : l'opercule s'y applique à demeure sur le noyau, les faces transversales en regard de ces deux pièces venant en appui pour former des canaux convergents dirigés obliquement vers une cavité centrale afin d'alimenter l'orifice à partir de passages latéraux en créant le tourbillon quand le liquide les traverse pour s'échapper ; A simple and effective model is now of almost universal use: the lid applies to it permanently on the core, the transverse faces of the two parts coming into abutment to form convergent channels directed obliquely towards a central cavity to supplying the orifice from lateral passages creating the vortex when the liquid passes through them to escape; cette structure à deux éléments assemblés dont chacun peut être obtenu par moulage est très économique. this structure two assembled components each of which may be obtained by molding is very economical. L'opercule est généralement porté par une coupelle emboîtée puis soudée sur la tête. The cover is generally carried by a nested cup then welded to the head. Le noyau est en général partie intégrante de la tête mais peut former une pièce rapportée, l'opercule et lui-même alignés sur un même axe par des portées de centrage latérales ménageant un passage simple ou multiple vers leurs faces transversales en regard : le brevet US-A-4 538 745 a proposé d'équiper une telle buse d'un noyau emmanché à force dans la coupelle, son tronc axial porteur d'une cupule circulaire à lèvre souple de concavité tournée vers l'aval, pour former un clapet miniature inséré dans une chambre juste en amont. The core is usually an integral part of the head but may form an insert, and the cap itself aligned on the same axis by lateral centering litters of providing a single or multiple pass towards their transverse faces facing: patent US-a-4,538,745 has proposed to equip such a nozzle of a ring pressed into the cup, the holder axial stem of a flexible circular lip cup concavity turned toward the downstream to form a valve miniature inserted in a room upstream. Ce montage offre l'avantage de combiner miniaturisation facile et bonne précision. This arrangement offers the advantage of combining easy miniaturization and accuracy.
  • La publication de brevet FR-A-2 635 084 préfère que ce clapet soit monté indépendant dans sa chambre, emprisonné par le noyau fixe mais lui-même mobile à l'intérieur de la buse, guidé dans son logement sur un tronc axial propre : la lèvre travaillant plus favorablement, l'étanchéité apparaît plus précise et plus durable. Patent Publication FR-A-2,635,084 is preferred that this valve is mounted independent in its chamber, trapped by the fixed core itself but movable within the nozzle, is guided in its housing on a clean axial stem: lip working more favorably, the seal appears more precise and durable.
  • La présente invention propose au contraire de rendre mobile axialement, en continuant à le centrer donc en le guidant latéralement, l'ensemble intégré du noyau et du clapet. The present invention proposes instead to make axially movable, continuing thus to center the guiding it laterally, the integrated assembly of the core and the valve. C'est alors l'extrémité du tronc de cette pièce qui servira de noyau, ne venant s'appliquer sur la face interne de l'opercule pour constituer le système tourbillonnaire de canaux que sous l'effet de la pression engendrée en amont par la mise en oeuvre du vaporisateur. It is then the end of the shaft of this piece to serve as core, not being applied against the internal face of the lid to form the vortex channel system that under the effect of pressure generated upstream from the implementation of the vaporizer.
  • Le bon fonctionnement du clapet est alors préservé tandis que l'application du tronc sur l'opercule pour servir de noyau se révèle assez correcte pour que la buse conserve pratiquement la même efficacité qu'une buse classique du modèle considéré. The proper functioning of the valve is then preserved while the application of the trunk on the lid to serve as a nucleus appears quite correct that the nozzle retains virtually the same efficiency as a conventional nozzle of the considered model.
  • Le dispositif sera décrit ci-dessous, sous deux variantes correspondant respectivement aux figures 1 et 2, qui sont des coupes longitudinales de chacune d'elles : The device will be described below, in two versions respectively corresponding to Figures 1 and 2, which are longitudinal sections of each of them:
    La figure 1 montre l'extrémité d'un embout 1 traversé par un canal 1 a et doté d'un chambrage 2 destiné à recevoir la buse selon l'invention : s'y emboîte la courte douille ou coupelle 3 dont le fond forme un opercule 3 a percé d'un orifice axial 3 b . Figure 1 shows the end of a tip 1 through which a channel 1a and with a recess 2 for receiving the nozzle according to the invention: it engages the short sleeve or cup 3 whose bottom forms a cap 3 is pierced by an axial orifice 3 b. La coupelle 3 enferme une pièce 4 dont le tronc 4 a porte une cupule tronconique 4 b de concavité tournée vers l'aval, sa lèvre circulaire souple en contact périphérique avec la paroi du chambrage formant clapet. The cap 3 encloses a part 4 with a trunk door 4 has a tapered cup 4b of concavity turned toward the downstream, the flexible circular lip in contact with the peripheral wall of the counterbore forming a valve. Cette pièce, guidée latéralement, libre ou à très faible frottement, par les parois de la coupelle 3, reste mobile axialement car ladite coupelle n'est pas enfoncée à fond mais seulement jusqu'à une butée convenable, un épaulement 2 a dans le chambrage par exemple ; This part, guided laterally, free or very low friction, by the walls of the cup 3 remains axially movable as said cup is not fully depressed but only up to a suitable stop, a shoulder in the recess 2 has for example ; le clapet, dans la chambre amont, reste donc libre de s'adapter aux légers écarts de pression qu'il peut subir notamment du fait des dilatations et conserve ainsi une très bonne étanchéité. the valve in the upstream chamber, remains free to adapt to slight pressure differences that may suffer particularly because of the expansion and retains a very good seal.
  • Par l'extrémité aval du tronc 4a, la pièce 4 reste capable de jouer le rôle de noyau ; The downstream end of the trunk 4a, piece 4 remains capable of acting as the hub; en effet quand l'utilisateur cherche à expulser du liquide, l'augmentation de pression engendrée a d'abord pour effet de plaquer sa face avant contre l'opercule 3 a ; Indeed when the user seeks to expel the liquid, the pressure increase generated initially the effect of pressing its front face against the cap 3 a; ce n'est qu'ensuite, sous la pression d'utilisation voulue, que la lèvre cède laissant passage au liquide. only then, under the pressure of intended use, the lip yields leaving the liquid passage. Le tronc 4 a étant pourvu de rainures 5 dont, de préférence, la partie latérale 5 a est parallèle à l'axe mais, sur la face avant, se prolonge en 5 b obliquement et non radialement vers l'orifice, ce liquide est mis en rotation rapide avant d'être expulsé à travers l'orifice et se trouve ainsi finement pulvérisé ; The trunk 4a being provided with grooves 5 which, preferably, the side portion 5a is parallel to the axis but, on the front side, extends obliquely 5b and not radially towards the orifice, this liquid is rapidly rotating before being expelled through the orifice and is thus finely pulverized; en effet il existe à la traversée de la buse une perte de charge suffisante pour que le noyau reste plaqué contre l'opercule, formant des canaux tangentiels vers la cavité centrale 5 c . indeed it exists at the nozzle passage a sufficient pressure drop for the core remains pressed against the cover, forming tangential channels to the central cavity 5 c. Quand la pression s'interrompt, le clapet se trouve libre de reculer légèrement, soulageant la lèvre étanche. When the pressure is interrupted, the valve is free to move back slightly, relieving the sealing lip.
  • Le dispositif montré sur la figure 2 repose sur un principe identique. The device shown in Figure 2 is based on the same principle. Il s'emboîte cependant sur un embout mâle 11 appartenant à la tête ou même au corps du récipient, sous forme d'une douille 13 en doigt de gant, en laissant subsister une chambre 12 que ferme l'opercule 13 a ; This however fits over a male end 11 belonging to the same head or the body of the container, in the form of a sleeve 13 in thermowell, leaving a chamber 12 that closes the cover 13 a; dans cette chambre se trouve inclus le clapet 14, mobile, dont le tronc de guidage 14 a porte la cupule 14 b . in this chamber is included the valve 14, mobile, the guide stem 14 has the cup holder 14 b. Bien que la lèvre de cette dernière frotte sur la paroi de la chambre, un épaulement à entrée conique 12 a peut accessoirement être prévu pour donner toute sécurité au montage. Although the lip thereof rubs against the wall of the chamber, a conical entrance shoulder 12 may incidentally be provided to give safe mounting.
  • On pourra noter que le tronc 14 a est proportionnellement plus fort et la lèvre de la cupule 14 b plus rabattue mais le fonctionnement est inchangé, la pression d'expulsion dépendant encore de sa flexibilité. It may be noted that the stem 14 has proportionally stronger and the lip of the cup 14 b more folded but the operation is unchanged, the discharging pressure still dependent on its flexibility.
  • D'autre part, le tronc 14 a est entièrement cylindrique, sans contre-dépouilles : ceci facilite le moulage de la pièce. Second, the trunk has 14 fully cylindrical without undercuts cons: this facilitates molding of the part. Enfin c'est sur la paroi interne du puits qui dans la douille 13 termine la chambre 12 que sont creusées les rainures 15 ou des passages analogues : on pourrait même imaginer de placer leurs parties 15 a sur l'une des pièces et leurs parties 15 b sur l'autre, un canal intermédiaire évitant d'avoir à les orienter, voire de les imbriquer pour bloquer le noyau en rotation mais ceci compliquerait les pièces et n'est normalement pas nécessaire. Finally it is on the internal wall of the well in which the sleeve 13 closes the chamber 12 that are carved grooves 15 or similar passages: one could even imagine placing parts 15a on one of the parts and their parts 15 b on the other, an intermediate channel avoiding having to orient or even nested to block the rotating ring but this would complicate the parts and is not normally necessary.
  • Dans chacune des deux versions décrites, le nombre de pièces reste réduit à deux et leur montage très simple, ce qui conduit à une fabrication d'un prix de revient particulièrement avantageux. In both versions described, the number of pieces still reduced to two and their very simple assembly, which leads to production of a particularly advantageous cost.

Claims (7)

  1. Atomizing nozzle comprising a diaphragm (3a, 13a) perforated by a narrow orifice (3b, 13b) and an internal core (4, 14), aligned on the same axis by lateral surfaces providing a passage (5a, 15a) towards the transverse facing faces of said two parts in order to form a turbulent system (5, 15) of channels supplying the orifice (3b, 13b), the core (4, 14) comprising an axial stem (4a, 14a) carrying a circular dimple having a flexible lip (4b, 14b), whose concavity is directed towards the downstream side in order to form a valve inserted in an upstream chamber, characterized in that said core (4, 14) is axially mobile with respect to the diaphragm (3a, 13a).
  2. Nozzle according to claim 1, characterized in that the core (14) serving as a valve and whose front face can bear on the diaphragm (13a) carrying the orifice (13b) to create a system of convergent channels directed obliquely towards the latter, has a stem (14a) free from undercuts.
  3. Nozzle according to one of the claims 1 and 2, characterized in that the stem slides in a sleeve (3, 13) sealed by the diaphragm.
  4. Nozzle according to claim 3, characterized in that the stem is entirely cylindrical and the sleeve internally grooved.
  5. Nozzle according to claim 3, characterized in that the valve serving as a core is entirely included in the sleeve.
  6. Nozzle according to claim 5, characterized in that the valve is held in the sleeve by a shoulder (12a) having a conical inlet.
  7. Nozzle according to claim 5, characterized in that the sleeve has a glove finger shape and can be fitted, without abutment, on the valve to a male end piece belonging to the atomizer.
EP19910402204 1990-08-17 1991-08-08 Nozzle with incorporated valve Expired - Lifetime EP0471610B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9010441 1990-08-17
FR9010441A FR2665848B1 (en) 1990-08-17 1990-08-17 Nozzles incorporates a valve.

Publications (2)

Publication Number Publication Date
EP0471610A1 EP0471610A1 (en) 1992-02-19
EP0471610B1 true EP0471610B1 (en) 1995-05-10

Family

ID=9399717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910402204 Expired - Lifetime EP0471610B1 (en) 1990-08-17 1991-08-08 Nozzle with incorporated valve

Country Status (7)

Country Link
US (1) US5181658A (en)
EP (1) EP0471610B1 (en)
JP (1) JP3220185B2 (en)
AT (1) AT122268T (en)
CA (1) CA2048313C (en)
DE (2) DE69109578T2 (en)
FR (1) FR2665848B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385302A (en) * 1990-10-25 1995-01-31 Contico Low cost trigger sprayer
FR2705589B1 (en) * 1993-05-28 1995-07-28 Valois Spray nozzle and spray having such a nozzle.
US5687877A (en) * 1995-11-03 1997-11-18 Owens-Illinois Closure Inc. Pump dispenser having moveable outlet check valve element
FR2746657B1 (en) * 1996-03-29 1998-06-26 Sofab antibacterial spray device for a liquid product
DE19622124A1 (en) * 1996-06-01 1997-12-04 Alfred Von Schuckmann Device for applying liquids
FR2758801B1 (en) * 1997-01-27 1999-03-26 Valois Shutter system of a fluid delivery device
DE19715359C2 (en) * 1997-04-12 1999-08-12 Mannesmann Vdo Ag An apparatus for heating of washing liquid of a washer
FR2771296B1 (en) * 1997-11-25 2000-03-10 Sofab nosepiece with closing extremity
US6131820A (en) * 1999-06-01 2000-10-17 Calmar Inc. Discharge valve assembly for trigger sprayer
AT257399T (en) 1999-10-14 2004-01-15 Becton Dickinson Co Nasal administrator with sprayer
US6382204B1 (en) 1999-10-14 2002-05-07 Becton Dickinson And Company Drug delivery system including holder and drug container
US6443176B1 (en) 1999-11-30 2002-09-03 Hilmar Lumber, Inc. Flush valve with rotatable grate
US6543703B2 (en) 2000-12-26 2003-04-08 William S. Blake Flexible face non-clogging actuator assembly
DE10200595A1 (en) * 2002-01-10 2003-07-31 Aero Pump Gmbh Actuating head of a suction-pressure pump for ejecting a product from a container
DE10200593A1 (en) * 2002-01-10 2003-07-31 Aero Pump Gmbh Actuating head of a suction-pressure pump for ejecting a product from a container
GB0302536D0 (en) * 2003-02-04 2003-03-12 Bespak Plc Container

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1259052A (en) * 1915-07-03 1918-03-12 Fletcher C Starr Fuel-oil atomizing-burner.
US1453161A (en) * 1919-01-06 1923-04-24 Thomas W Murphy Spray nozzle
US4109869A (en) * 1977-06-16 1978-08-29 Dutton-Lainson Company Oiler with adjustable spray nozzle
US4182496A (en) * 1977-12-16 1980-01-08 Ethyl Products Company Actuator button for fluid dispenser
US4358057A (en) * 1980-05-27 1982-11-09 Ethyl Products Company Fluid dispenser method and apparatus
US4538745A (en) * 1983-05-19 1985-09-03 The Clorox Company Trigger sprayer
ES272902Y (en) * 1983-06-14 1984-05-01 Workum Donald "Sprayer manually squeezable containers"
BR8407331A (en) * 1984-06-01 1986-09-23 Robert L Bundschuh Spray bottle with sliding trigger
FR2635084B1 (en) * 1988-08-08 1991-04-12 Sofab Caps distributors
US4944431A (en) * 1988-09-23 1990-07-31 Blake William S Trigger sprayer with multi-function piston

Also Published As

Publication number Publication date
US5181658A (en) 1993-01-26
FR2665848A1 (en) 1992-02-21
FR2665848B1 (en) 1992-10-30
JP3220185B2 (en) 2001-10-22
DE69109578D1 (en) 1995-06-14
DE69109578T2 (en) 1996-01-18
CA2048313A1 (en) 1992-02-18
AT122268T (en) 1995-05-15
EP0471610A1 (en) 1992-02-19
JPH0679202A (en) 1994-03-22
CA2048313C (en) 2001-10-30

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