EP0408421B1 - Kleine Austragsvorrichtungen - Google Patents

Kleine Austragsvorrichtungen Download PDF

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Publication number
EP0408421B1
EP0408421B1 EP90401921A EP90401921A EP0408421B1 EP 0408421 B1 EP0408421 B1 EP 0408421B1 EP 90401921 A EP90401921 A EP 90401921A EP 90401921 A EP90401921 A EP 90401921A EP 0408421 B1 EP0408421 B1 EP 0408421B1
Authority
EP
European Patent Office
Prior art keywords
container
bush
assembly
distributor according
pump
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
EP90401921A
Other languages
English (en)
French (fr)
Other versions
EP0408421A1 (de
Inventor
William Desazars De Montgailhard
Jean-Louis Bougamont
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9383429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0408421(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by S O F A B, Sofab SA filed Critical S O F A B
Publication of EP0408421A1 publication Critical patent/EP0408421A1/de
Application granted granted Critical
Publication of EP0408421B1 publication Critical patent/EP0408421B1/de
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
    • B05B11/0097—Means for filling or refilling the sprayer
    • 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
    • B05B11/1001—Piston pumps

Definitions

  • the invention relates to devices of this kind, of a construction similar to that described by patent US-A-4,311,255 and intended for example for the distribution of drugs used at very low doses or even for that of perfume samples.
  • miniature metering pumps of known type with piston carrying an axial nozzle and whose body has a diameter of approximately seven millimeters for a length of approximately three centimeters, under an assembly flange projecting on the order of a millimeter but not necessarily circular, their external volume may not exceed four or five cubic centimeters, for a diameter of the order of ten to twelve millimeters, and their capacity will vary between fifty and ten doses only, that is to say down to the milliliter.
  • the pump body carrying the internal mechanism, engages in a container on the neck of which it centers in its upper part; its flange, resting on the upper edge of said container, is immobilized under the internal flange, forming a cover, of an external sleeve fitted by tightening its lower skirt on an external bearing of the wall of this container in a conventional manner, it has a vent allowing air to enter at each stroke of the pump into the reservoir thus formed, to balance the pressure.
  • the assembly practically generates on the parts only easily supported compression forces and, on small members, the precision proper to injection molding will make it possible to obtain an assembly which is practically non-removable and leaktight.
  • This can be done on a container already filled, with existing machines, at the cost of a minimum of adaptations, by fitting the socket already carrying the pump; to facilitate the operation, this socket can carry a retaining ring for the flange of the pump body.
  • the structure adopted makes it possible to build such devices in very large series, at very low cost. It can still be applied to slightly larger models but its characteristics then generally lose part of their interest.
  • the invention is based on the observation that these specific evacuation passages are not necessary: since the pumps themselves have a vent for temporary venting of the tank liquid, it will suffice to open it artificially during assembly, making it then play a role opposite to its usual role.
  • the bearing surfaces of the socket and of the container which come in radial clamping can follow the same contour, preferably convex, which gives an appreciable gain in diameter, but above all in solidity, precision and, consequently, ease of Implementation.
  • the container will thus be constituted by a tube with a thinned wall in its upper part to form an external shoulder, the external generatrices of the sleeve, relatively short, coming to align during assembly with those of the container to generate a shape.
  • essentially cylindrical or at least cylindro-conical and the assembly will require a cone-on-cone tightening; but if the rigidity of the material of the sleeve is relatively low, the external face of the assembly surface of the container may be provided with circular sealing ribs making it possible to widen the tightening tolerances.
  • the sprayer thus described in example comprises a container formed by a narrow tube 1, made in the present case of transparent polyethylene terephthalate.
  • This tube is of circular section, injection molded and cylindrical if we omit the remains, but its wall is thinned in its upper part 1 a so as to form an outer surface very slightly conical with an external shoulder 1 b .
  • the opening of the tube receives with a small lateral clearance a pump whose body 2, with successively cylindrical-conical ferrules, terminates at its lower part by an integrated intake tube 2 a and carries at its upper part a flange 2 b notched by at least one groove 2 c serving as a vent for the tank.
  • the body 2 contains the mechanism of the piston 3, the rod 3 of which forms the nozzle.
  • the assembly will be capped by a cylindrical sleeve 4, which is also injection molded and, in the case described, made of polyamide.
  • This sleeve has a skirt 4 has the same external contour as the tube 1 and closing by an inner flange 4b facing the nozzle.
  • the inner face of the skirt 4a of the sleeve is smooth, providing a range whose conicity corresponds to that of the corresponding bearing surface of the tube, with the exception of unjonc 4c whose usefulness will appear below and which must not prohibit extracting the punch from the mold.
  • the external face of the upper part 1 a of the tube could, as shown in the right part of the drawing, carry sealing ribs 1 c ; here their presence is however unnecessary because of the tenacity of the materials used, and could even cause defects in external appearance.
  • the skirt 4 a is also extended upwards by a ferrule 4 d.
  • a head 5 carrying a spray nozzle 6 can be placed on the nozzle by means of a seat 5 a , masked by the lower skirt 5 b , itself internal to the shell 4 d to be less bulky.
  • the parts could be placed on the tube in their stacking order and assembled directly by pressing the sleeve; this would suppose either that the container was first filled with liquid, which amounts to saying that the complete assembly would be carried out only at this stage, at the user's, or that the device made assembled empty then filled by intrusion, which is hardly conceivable on plastic containers of as little capacity as that sought.
  • the pump will therefore be assembled separately: the sleeve first fits onto the body 2, thus enclosing the piston mechanism under the flange 4 b , the nozzle 3 a of which passes through its axial opening, the collar 2 b conveniently retained, provisionally, by the rod 4 c .
  • the assembly can then be placed on the container 1 filled with the desired dose of product and its fitting ensures final fixing and sealing cone on cone, the rod 4 c finding place between the flange and the flange 1 d of the tube.
  • FIG. 2 shows the external appearance of the assembled sprayer, at rest, the various members appearing diagrammatically in dotted lines, the ferrule 4 d masking the edge of the skirt 5 b .
  • the piston 3 Returned to the top position by an internal spring 3b, the piston 3 abuts sealingly on the lid formed by the flange 4b to close the vent.
  • the depressed position is also used for mounting: during this operation, the assembled pump, temporarily closed by its socket 4, is gripped by a mandrel with a vertical axis which places the assembly on the top of the tube 1 centered on its mounting.
  • the tool will not first press on the sleeve itself but on the nozzle therefore on the piston 3: the resistance of the sleeve 4 to the depression on the tube 1 then causes this piston to yield, releasing the vent to vent the internal space or tank.
  • the spray head of a moreover common type, could if necessary be put in place from the start of assembly and even, replacing a specific pressing tool, come and play the role described.
  • a direct grip of the tool is however preferable as regards the transmission of forces.
  • a pump capable of withstanding a certain overpressure of the reservoir by sealing at least one of its seals, for example seal drawer inlet or, as is very common today, exhaust gasket capable of creating precompression.
  • the cylindrical shape of revolution of the dispenser is as compact as possible, the length of the tube 1 determining the internal volume with, of course, adaptation of the intake tube; the assembly of the device, of a perfect simplicity, is however effective and entirely waterproof at rest.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Liquid Crystal Substances (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (8)

  1. Miniaturabgabevorrichtung für Produkte, die in sehr geringen Dosen verwendet werden, mit einer Pumpe mit einem Kolben (3), welcher eine axiale Spritzdüse (3a) trägt, wobei der Körper (2) der Pumpe, der eine Belüftung (2c) zur temporären Verbindung des Produktbehälterinneren mit der freien Umgebungsluft aufweist, in einem Behälter (1) befestigt ist, auf dessen Hals er in seinem oberen Teil zentriert ist, wobei der Befestigungskragen (2b) dieses Körpers auf dem oberen Rand (1d) des Behälters ruht und unter Bildung einer Abdeckung unter dem Flansch (4b) einer äußeren Hülse (4) festgelegt ist, welche durch Pressung des Innenbereiches ihrer unteren Schürze (4a) auf einen Außenbereich der Wandung (1a) ebendieses Behälters aufgezogen ist, wobei die Spritzdüse die axiale Öffnung des Flansches durchsetzt, um einen Abgabekopf (5) aufzunehmen, dadurch gekennzeichnet, daß die genannten Radialpressungsbereiche der Schürze und des Behälters dieselbe Kontur haben und so über ihren gesamten Umfang miteinander in Kontakt stehen.
  2. Abgabevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Pumpe eine Pumpe mit Vorkompression ist.
  3. Abgabevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Innenseite der unteren Schürze (4a) der Hülse (4) einen Haltewulst (4c) für den Befestigungskragen (2b) des Pumpenkörpers (2) trägt.
  4. Abgabevorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß ihr Querschnitt von einer kreisförmigen Kontur abweicht, wobei eine ungefähr gleichmäßige Wandstärke beibehalten wird.
  5. Angabevorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Behälter (1) sowie die Hülse (4) allgemein zylindrische Form haben und aus Kunststoffen aufgebaut und spritzgußgeformt sind, wobei der Behälter ein Rohr mit einer Wandung ist, die in ihrem oberen Bereich verjüngt ist, um eine Außenschulter (1b) zu bilden, und die äußeren Erzeugenden der relativ kurzen Hülse bei der Montage mit jenen des Behälters zur Ausrichtung gelangen, um eine im wesentlichen zylindrische oder zumindest zylindrisch-konische Form zu erzeugen.
  6. Abgabevorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Radialpressung der Hülse auf dem Behälter Konus auf Konus und entsprechend einer konvexen Kontur erfolgt.
  7. Abgabevorrichtung nach zumindest einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Behälter und die Hülse aus unterschiedlichen Materialien gebildet sind, wobei jenes des Behälters steifer und gegenüber dem aufzunehmenden Produkt widerstandsfähiger ist als jenes der Hülse.
  8. Verfahren zur Montage einer Abgabevorrichtung nach einem der Ansprüche 1 bis 7, bei welchem die Pumpe gesondert von der Hülse (4) zusammengebaut wird, diese auf den Körper (2) gesetzt wird, welcher den Mechanismus des Kolbens (3) umschließt, anschließend die Anordnung auf dem mit der gewünschten Produktdosis gefüllten Behälter (1) angeordnet wird, und das Aufsetzen der Hülse die endgültige Festlegung und Abdichtung gewährleistet, dadurch gekennzeichnet, daß man direkt oder unter Zwischenschaltung des Abgabekopfes (5) zunächst auf die Spritzdüse (3a) drückt, wobei der Widerstand der Spritzdüse gegen das Niederdrücken auf den Behälter dann bewirkt, daß der Kolben zurückweicht, um die Belüftung (2c) freizugeben, und anschließend, am Anschlag angelangt, auf die Hülse eine Preßkraft aufgebracht wird, um sie auf den oberen Teil des Behälters zu treiben, bis sie in den Preßsitz geführt ist, um den Zusammenbau dicht und praktisch unumkehrbar zu machen.
EP90401921A 1989-07-04 1990-07-03 Kleine Austragsvorrichtungen Expired - Lifetime EP0408421B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8908941A FR2649382B1 (fr) 1989-07-04 1989-07-04 Distributeurs miniatures
FR8908941 1989-07-04

Publications (2)

Publication Number Publication Date
EP0408421A1 EP0408421A1 (de) 1991-01-16
EP0408421B1 true EP0408421B1 (de) 1994-10-05

Family

ID=9383429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401921A Expired - Lifetime EP0408421B1 (de) 1989-07-04 1990-07-03 Kleine Austragsvorrichtungen

Country Status (7)

Country Link
US (1) US5102018A (de)
EP (1) EP0408421B1 (de)
AT (1) ATE112510T1 (de)
DE (1) DE69013085T2 (de)
DK (1) DK0408421T3 (de)
ES (1) ES2064685T3 (de)
FR (1) FR2649382B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9107249U1 (de) * 1991-06-12 1992-10-15 Ortner, Georg, 5000 Koeln, De
US5277340A (en) * 1992-11-05 1994-01-11 Risdon Corporation Dispensing container
US5800770A (en) * 1994-04-15 1998-09-01 Owens-Brockway Plastic Products Inc. Method of making a flexible tube
US5988443A (en) * 1994-04-15 1999-11-23 Owens-Brockway Plastic Products Inc. Flexible tube with pump dispenser and method of making
US5687878A (en) * 1994-04-15 1997-11-18 Owens-Brockway Plastic Products Inc. Flexible tube with pump dispenser and method of making
FR2719292B1 (fr) * 1994-04-29 1996-07-12 Valois Sa Dispositif et procédé de fixation d'un organe de dosage dans un récipient contenant du produit à distribuer.
FR2734246B1 (fr) * 1995-05-19 1997-07-11 Teleplastics Ind Distributeur miniature
FR2751897B1 (fr) * 1996-08-05 1998-10-30 Sofab Systeme d'assemblage etanche d'une pompe miniature sur un reservoir de faible contenance
US5950880A (en) * 1997-04-14 1999-09-14 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having a take-up piston
DE19741957A1 (de) 1997-09-23 1999-03-25 Wischerath Josef Gmbh Co Kg Verfahren zum Befüllen eines Spenders und Spender
EP1344571B1 (de) * 2002-03-15 2008-04-30 L'oreal Verpackung- und Abgabeeinheit von Medien, insbesondere von flüssigen Proben
US20040069811A1 (en) * 2002-10-10 2004-04-15 Valois S.A.S. Fixing member for fixing a dispensing member to an opening of a reservoir, and a dispenser including such a fixing member
FR2854821B1 (fr) * 2003-05-16 2006-12-08 Oreal Ensemble pour le conditionnement et la distribution d'un produit, notamment sous forme d'un echantillon
FR2917650B1 (fr) † 2007-06-20 2011-03-18 Valois Sas Procede et dispositif de conditionnement de distributeur de produit fluide.
FR2999958B1 (fr) * 2012-12-20 2015-08-14 Aptar France Sas Tete de distribution de produit fluide.
USD750766S1 (en) * 2015-05-05 2016-03-01 Jack Cheika Cigarette smoke sanitizing spray dispenser

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228571A (en) * 1964-06-12 1966-01-11 Valve Corp Of America Discharge valve construction for dispenser pump
US3263871A (en) * 1964-11-23 1966-08-02 Arnold M Thompson Dispensing pump for a container
BE752932A (fr) * 1969-07-07 1970-12-16 Pulverisation Par Abreviation Vaporisateur a tube plongeur
FR2149669A5 (de) * 1971-08-19 1973-03-30 Step
US4144987A (en) * 1973-11-07 1979-03-20 Yoshino Kogyosho Co., Ltd. Liquid sprayer
NL179791C (nl) * 1977-05-12 1986-11-17 Yoshino Kogyosho Co Ltd Zowel rechtop als in omgekeerde stand te gebruiken verstuiver.
US4420096A (en) * 1977-08-22 1983-12-13 Ethyl Products Company Child-resistant actuator cover
US4311255A (en) * 1979-10-30 1982-01-19 Philip Meshberg Hand held container and dispenser assembly
US4435135A (en) * 1981-04-03 1984-03-06 Seaquist Valve Company Pump assembly with improved seal
FR2620052B1 (fr) * 1987-09-09 1990-04-27 Valois Vaporisateur du type pompe manuelle a precompression pour utilisation avec un gaz propulseur
US4991747A (en) * 1988-10-11 1991-02-12 Risdon Corporation Sealing pump

Also Published As

Publication number Publication date
DE69013085D1 (de) 1994-11-10
US5102018A (en) 1992-04-07
DK0408421T3 (da) 1995-03-20
DE69013085T2 (de) 1995-04-13
FR2649382B1 (fr) 1991-10-31
ES2064685T3 (es) 1995-02-01
EP0408421A1 (de) 1991-01-16
ATE112510T1 (de) 1994-10-15
FR2649382A1 (fr) 1991-01-11

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