EP0471610B1 - Düse mit eingebautem Ventil - Google Patents

Düse mit eingebautem Ventil Download PDF

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Publication number
EP0471610B1
EP0471610B1 EP91402204A EP91402204A EP0471610B1 EP 0471610 B1 EP0471610 B1 EP 0471610B1 EP 91402204 A EP91402204 A EP 91402204A EP 91402204 A EP91402204 A EP 91402204A EP 0471610 B1 EP0471610 B1 EP 0471610B1
Authority
EP
European Patent Office
Prior art keywords
core
valve
nozzle according
sleeve
nozzle
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
EP91402204A
Other languages
English (en)
French (fr)
Other versions
EP0471610A1 (de
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
Original Assignee
S O F A B
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 S O F A B, Sofab SA filed Critical S O F A B
Publication of EP0471610A1 publication Critical patent/EP0471610A1/de
Application granted granted Critical
Publication of EP0471610B1 publication Critical patent/EP0471610B1/de
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
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis

Definitions

  • the active substance is generally enclosed in solution or in suspension in a liquid medium which can be expelled under pressure through a spray nozzle thanks to the action of the operator on a control head.
  • the nozzle is placed on the control head, itself mounted on a distributor, valve or pump, with axial nozzle; this head, if necessary fitted with a suitable nozzle, thus also serves as a spray head for the sprayer.
  • nozzles have been able to be designed, in which a cover pierced with a narrow orifice cooperates with an internal axial core to form a vortex system of channels.
  • a simple and effective model is now almost universal in use: the cover is permanently applied to it on the core, the transverse faces opposite these two parts coming to bear to form converging channels directed obliquely towards a central cavity to feed the orifice from lateral passages by creating the vortex when the liquid passes through them to escape; this structure with two assembled elements, each of which can be obtained by molding is very economical.
  • the operculum is generally carried by a cup fitted and then welded to the head.
  • the core is generally an integral part of the head but can form an attached part, the cover and itself aligned on the same axis by lateral centering spans providing a single or multiple passage towards their opposite transverse faces:
  • the patent US-A-4,538,745 has proposed equipping such a nozzle with a core force-fitted into the cup, its axial trunk carrying a circular cup with flexible lip of concavity turned downstream, to form a valve miniature inserted in a room just upstream. This assembly offers the advantage of combining easy miniaturization and good precision.
  • Patent publication FR-A-2 635 084 prefers that this valve be mounted independently in its chamber, trapped by the fixed core but itself movable inside the nozzle, guided in its housing on a clean axial trunk: the lip working more favorably, the sealing appears more precise and more durable.
  • the present invention proposes, on the contrary, to make it axially mobile, continuing to center it, therefore by guiding it laterally, the integrated assembly of the core and of the valve. It is then the end of the trunk of this part which will serve as a core, not coming to apply on the internal face of the cover to constitute the vortex system of channels only under the effect of the pressure generated upstream by the implementation of the vaporizer.
  • FIG. 1 shows the end of a nozzle 1 crossed by a channel 1 a and provided with a recess 2 intended to receive the nozzle according to the invention: the short socket or cup 3 is fitted therein, the bottom of which forms a cover 3 has an axial hole 3 b .
  • the cup 3 encloses a part 4 whose trunk 4 a carries a frustoconical cup 4 b of concavity turned downstream, its flexible circular lip in peripheral contact with the wall of the recess forming a valve.
  • the part 4 By the downstream end of the trunk 4a, the part 4 remains capable of playing the role of core; in fact when the user seeks to expel liquid, the increase in pressure generated firstly has the effect of pressing its front face against the cover 3 a ; it is only then, under the desired operating pressure, that the lip gives way, leaving passage to the liquid.
  • the trunk 4 a being provided with grooves 5 of which, preferably, the lateral part 5 a is parallel to the axis but, on the front face, extends in 5 b obliquely and not radially towards the orifice, this liquid is put in rapid rotation before being expelled through the orifice and is thus finely pulverized; in fact, there is a sufficient pressure drop across the nozzle so that the core remains pressed against the cover, forming tangential channels towards the central cavity 5 c . When the pressure stops, the valve is free to move back slightly, relieving the tight lip.
  • the device shown in Figure 2 is based on an identical principle. However, it fits onto a male end 11 belonging to the head or even to the body of the container, in the form of a sleeve 13 in a thermowell, leaving a chamber 12 which closes the cover 13 a ; in this chamber is included the movable valve 14, the guide trunk 14a of which carries the cup 14b . Although the lip of the latter rubs against the wall of the chamber, a conical inlet shoulder 12 a can incidentally be provided to give complete security to the assembly.
  • trunk 14 a is proportionally stronger and the lip of the cup 14 b more folded down but the operation is unchanged, the expulsion pressure still depending on its flexibility.
  • the trunk has 14 fully cylindrical without undercuts cons: this facilitates molding of the part. Finally it is on the internal wall of the well which in the socket 13 ends the chamber 12 that the grooves 15 or similar passages are dug: one could even imagine placing their parts 15 a on one of the parts and their parts 15 b on the other, an intermediate channel avoiding having to orient them, or even nesting them to block the rotating core, but this would complicate the parts and is normally not necessary.

Landscapes

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

Claims (7)

  1. Zerstäuberdüse mit einem Innenhütchen (3a, 13a), das von einer schmalen Öffnung (3b, 13b) durchsetzt ist, und einem inneren Kern (4, 14), die durch seitliche Auflagerflächen entlang einer gemeinsamen Achse ausgerichtet sind und einen Durchgang (5a, 15a) über die einander zugewandten Seitenflächen dieser beiden Teile bilden, um ein Wirbelsystem (5, 15) aus Kanälen zu bilden, welche die Öffnung (3b, 13b) speisen, wobei der Kern (4, 14) einen axialen Schaft (4a, 14a) aufweist, der einen kreisförmigen, stromabwärts konkaven Becher mit weicher Lippe (4b, 14b) trägt, um ein Ventil zu bilden, das in eine stromaufwärtige Kummer eingefügt ist, dadurch gekennzeichnet, daß der Kern (4, 14) gegenüber dem Innenhütchen (3a, 13a) axial beweglich ist.
  2. Düse nach Anspruch 1, dadurch gekennzeichnet, daß der Kern (14), welcher als Ventil dient und dessen Vorderseite in Anlage an dem die Öffnung (13b) tragenden Innenhütchen (13a) gelangen kann, um ein System aus konvergierenden, schräg zu der letzteren verlaufenden Kanäle zu bilden, einen Schaft (14a) ohne Hinterschneidungen besitzt.
  3. Düse nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der Schaft in einer Hülse (3, 13) gleitet, welche das Innenhütchen umschließt.
  4. Düse nach Anspruch 3, dadurch gekennzeichnet, daß der Schält zur Gänze zylindrisch und die Hülse innenseitig mit Nuten versehen ist.
  5. Düse nach Anspruch 3, dadurch gekennzeichnet, daß das Ventil, welches als Kern dient, vollständig in der Hülse enthalten ist.
  6. Düse nach Anspruch 5, dadurch gekennzeichnet, daß das Ventil in der Hülse durch eine Schulter (12a) mit konischem Einlaß zurückgehalten ist.
  7. Düse nach Anspruch 5, dadurch gekennzeichnet, daß die Hülse (13) die Form eines Handschuhfingers aufweist und ohne Anschlagen an dem Ventil auf ein männliches Ansatzstück (11) aufsetzbar ist, welches zum Zerstäuber gehört.
EP91402204A 1990-08-17 1991-08-08 Düse mit eingebautem Ventil Expired - Lifetime EP0471610B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9010441A FR2665848B1 (fr) 1990-08-17 1990-08-17 Buses a clapet incorpore.
FR9010441 1990-08-17

Publications (2)

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

Family

ID=9399717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402204A Expired - Lifetime EP0471610B1 (de) 1990-08-17 1991-08-08 Düse mit eingebautem Ventil

Country Status (7)

Country Link
US (1) US5181658A (de)
EP (1) EP0471610B1 (de)
JP (1) JP3220185B2 (de)
AT (1) ATE122268T1 (de)
CA (1) CA2048313C (de)
DE (1) DE69109578T2 (de)
FR (1) FR2665848B1 (de)

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 (fr) * 1993-05-28 1995-07-28 Valois Buse de pulvérisation et pulvérisateur comportant une telle buse.
US5687877A (en) * 1995-11-03 1997-11-18 Owens-Illinois Closure Inc. Pump dispenser having moveable outlet check valve element
FR2746657B1 (fr) * 1996-03-29 1998-06-26 Sofab Dispositif antibacterien de pulverisation d'un produit liquide
DE19622124A1 (de) 1996-06-01 1997-12-04 Alfred Von Schuckmann Gerät zum Aufbringen von Flüssigkeiten
FR2758801B1 (fr) * 1997-01-27 1999-03-26 Valois Systeme d'obturation d'un dispositif de distribution de produit fluide
DE19715359C2 (de) * 1997-04-12 1999-08-12 Mannesmann Vdo Ag Vorrichtung zum Erwärmen von Waschflüssigkeit einer Scheibenwaschanlage
FR2771296B1 (fr) * 1997-11-25 2000-03-10 Sofab Embout nasal avec fermeture d'extremite
US6131820A (en) * 1999-06-01 2000-10-17 Calmar Inc. Discharge valve assembly for trigger sprayer
US6382204B1 (en) 1999-10-14 2002-05-07 Becton Dickinson And Company Drug delivery system including holder and drug container
EP1092447B1 (de) 1999-10-14 2004-01-07 Becton Dickinson and Company Nasales Verabreichungsgerät mit Zerstäuberdüse
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
DE10200593A1 (de) * 2002-01-10 2003-07-31 Aero Pump Gmbh Betätigungskopf einer Saug-Druck-Pumpe zum Ausspritzen eines Produkts aus einem Behältnis
DE10200595A1 (de) * 2002-01-10 2003-07-31 Aero Pump Gmbh Betätigungskopf einer Saug-Druck-Pumpe zum Ausspritzen eines Produkts aus einem Behältnis
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 (es) * 1983-06-14 1984-05-01 Workum Donald "pulverizador para recipientes deformables manualmente"
JPS61502239A (ja) * 1984-06-01 1986-10-09 バンドシユ−　ロバ−ト　エル 摺動自在なトリガ−を有するポンプディスペンサ−
FR2635084B1 (fr) * 1988-08-08 1991-04-12 Sofab Embouts de distributeurs
US4944431A (en) * 1988-09-23 1990-07-31 Blake William S Trigger sprayer with multi-function piston

Also Published As

Publication number Publication date
JPH0679202A (ja) 1994-03-22
CA2048313C (fr) 2001-10-30
DE69109578D1 (de) 1995-06-14
US5181658A (en) 1993-01-26
FR2665848B1 (fr) 1992-10-30
DE69109578T2 (de) 1996-01-18
JP3220185B2 (ja) 2001-10-22
FR2665848A1 (fr) 1992-02-21
ATE122268T1 (de) 1995-05-15
CA2048313A1 (fr) 1992-02-18
EP0471610A1 (de) 1992-02-19

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