EP1324834B1 - Dispositif de distribution de fluides - Google Patents

Dispositif de distribution de fluides Download PDF

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Publication number
EP1324834B1
EP1324834B1 EP01986625A EP01986625A EP1324834B1 EP 1324834 B1 EP1324834 B1 EP 1324834B1 EP 01986625 A EP01986625 A EP 01986625A EP 01986625 A EP01986625 A EP 01986625A EP 1324834 B1 EP1324834 B1 EP 1324834B1
Authority
EP
European Patent Office
Prior art keywords
piston
pressure
dispensing device
pressure cylinder
pressure 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
EP01986625A
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German (de)
English (en)
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EP1324834A1 (fr
Inventor
Steven Padar
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Individual
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Individual
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 Individual filed Critical Individual
Publication of EP1324834A1 publication Critical patent/EP1324834A1/fr
Application granted granted Critical
Publication of EP1324834B1 publication Critical patent/EP1324834B1/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
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the invention relates to a dispensing device for fluids from a sealed storage container.
  • EP-0 739 247 B1 describes an air compensation-free metering pump, which is used for Spraying of liquids is determined whose life on contact with Atmospheric oxygen is reduced.
  • the known metering pump has a in the Fluid container protruding pressure cylinder, in which a piston with a axial pumping channel is sealingly guided in the pressure cylinder is a Pressure chamber formed by the piston and by a relative to the Fluid container acting ball valve, which closes at overpressure and at Negative pressure opens, limited and connected to the axial pumping channel. Of the Piston is held by spring force in the upper rest position.
  • the valve to the fluid container closes and that in the pressure chamber located liquid escapes under pressure through the axial pumping channel Outside.
  • the piston When releasing the piston creates a negative pressure in the pressure chamber, so that the valve opens to the fluid container and liquid into the pressure chamber is sucked. Since the dosing pump works air-balanced, it is located in the fluid container a sealed against the atmosphere inner bag, the collapsed when emptying the fluid container.
  • the EP-0 739 247 B1 therefore proposes the residual air via the axial pumping channel suck.
  • the piston is through a sealing lip on only one part of the impression cylinder guided.
  • the gap between the Inner wall of the pressure cylinder and the outer wall of the piston in the Suction chamber and sucked out of the pressure chamber via the axial pumping channel become.
  • acting opposite the bag close the valve. This is done by means of a plunger, the suction of the Residual air is introduced into the piston.
  • the invention is therefore based on the object, a dispensing device for To provide fluids from a sealed storage container, in which the Removing residual air in a particularly simple manner is possible.
  • the residual air in the storage container is not via the axial pumping channel, but sucked through a passageway between the outer wall of the Piston and the inner wall of the pressure cylinder above the opening in Pressure cylinder is formed.
  • To close the passage are means provided, which are such that when creating a negative pressure Residual air from the storage container can be sucked through the passage, otherwise the passage is closed. Since the residual air is not over the axial pumping channel is sucked, the protective cap needs of the Dispensing device not to be removed.
  • the passage between pistons and impression cylinder in a space to be acted upon with negative pressure in is formed of the housing body.
  • a vacuum pump to generate the negative pressure is connected to the Housing body.
  • the means for closing the passage are preferably as Sealing disk formed with a circular recess in which the Piston is guided sealing.
  • a sealing washer preferably made of polyethylene, can be used without major manufacturing effort be used the housing body.
  • the passage for sucking off the residual air between the piston and the pressure cylinder is preferably a gap, i. H. the piston is in this area of the Pressure cylinder not guided sealing. But instead of a gap can also longitudinal grooves or the like. In the inner wall of the impression cylinder and / or the Be provided outer wall of the piston.
  • one or more can be used to suck off the air Be provided openings.
  • the openings are in the Pressure cylinder circumferentially distributed slots arranged.
  • the housing body has two Housing parts, each with a cylindrical portion on which to operate of the piston are mutually displaceable.
  • these close two housing parts the space to be acted upon with negative pressure and preferably seal against each other when compressed, so that the piston is advanced into the pressure chamber.
  • the cylindrical Sections of the two housing parts can also be with a ring seal or Like. Be sealed against each other so that in the of the two parts enclosed space can build a vacuum even when the Piston is not in the advanced position.
  • the piston is preferably below the opening in the rotary cylinder only from sealed a peripheral sealing lip at the lower end of the piston, wherein the pressure cylinder for venting in an area at the lower end of the Pressure chamber is extended so that in this area the sealing effect of Sealing lip is lost.
  • the two become Casing parts of the housing body compressed, so that the piston in the Pressure chamber is advanced.
  • the two seal Housing parts against each other, and the sealing lip of the piston seals against from the impression cylinder.
  • the sealing lip is below the extension of the Pressure cylinder on the inner wall sealingly.
  • the sealing lip can also rest on a shoulder of the impression cylinder below the extension, which forms a lower stop for the piston.
  • the housing body may be attached to the storage container, in particular a glass or Plastic bottle, fastened by means of a clamp or screw cap become.
  • the dispenser is for spraying a liquid from a Reservoir 1 with a collapsible bag 1 a determined in the Reservoir is inserted.
  • the housing body 2 of the dispenser consists of a lower Housing part 3 and an upper housing part 4, on the lower housing part. 3 is attached.
  • the lower housing part 3 of the housing body is as Cap formed, the snapping and sealing on the Reservoir 1 is placed.
  • the lower housing part 3 takes a Pressure cylinder 5, which extends into the reservoir 1.
  • a pressure chamber 6 is formed, which at the upper end from a guided in the pressure cylinder piston 7 and at the lower end of a relative to the reservoir 1 acting ball valve 8 is limited.
  • the piston 7 has a lower portion 7a and an upper portion 7b, wherein the outer diameter of the lower portion is slightly larger than that Diameter of the upper section is.
  • the impression cylinder 5 has accordingly a lower portion 5a having a larger inner diameter and a upper portion 5b with a smaller diameter.
  • the lower portion 7a of the piston 7 by means of a in the pressure cylinder 5 used compression spring 9 against the upper portion 5b biased the pressure cylinder 5.
  • the upper portion 5b of the impression cylinder 5 has at its upper edge an annular projection 26 with several circumferentially distributed grooves 27 arranged on.
  • the inner diameter of the annular projection 26 corresponds to the outer diameter of the piston 7, so that the piston is guided in the approach (Fig. 2). Otherwise, the piston 7 has a smaller diameter than the impression cylinder 5 remains between Piston outer wall and cylinder inner wall a narrow gap 10.
  • the gap 10 between the upper portion 7b of the piston and the upper Section 5b of the printing cylinder 5 is of a flexible sealing disc 19th locked.
  • the gasket 19 is made of polyethylene and has in Center on a circular recess 20 in which the piston 7 sealing is guided.
  • the outer edge of the sealing disc 19 is sealing in the lower Housing part 3 of the housing body 2 is inserted, wherein the sealing disc with their underside in the region of the outer edge on a circumferential shoulder 21st the housing body rests, in the inner area, however, is free to move.
  • the piston 7 has an axial Pumping channel 14, which is connected to a riser 15, which at the top Housing part 4 is attached.
  • the upper end of the riser 15 is provided with a Check valve 16 closed.
  • a spray head 17 is provided for spraying the liquid is above the check valve.
  • a closure cap 30 Sitting on the riser 15 a closure cap 30 which sealingly closes the pumping channel 14.
  • the upper and lower housing part 3, 4 of the housing body 2 each have one cylindrical portion 3a, 4a, which are mutually displaceable.
  • To the Upper housing part 4 is next to the riser an opening 24 for sucking the Provided residual air.
  • the dispenser works as follows. It is first assumed that the Reservoir 1 filled with liquid, the dispenser but still free of liquid.
  • the piston 7 moves into the pressure chamber 6, wherein the air in the pressure chamber through the axial pumping channel 14th and the riser 15 can escape. This is due to the overpressure in Pressure chamber, the check valve 16 is opened and the ball valve 8 is closed.
  • the piston recoils due to the spring force, it creates in the Pressure chamber a negative pressure, so that the ball valve 8 opens and the Check valve 16 closes.
  • the negative pressure liquid from the Reservoir 1 sucked into the pressure chamber.
  • the Check valve 16 opens and the ball valve 8 closes.
  • the residual air is sucked off by means of a vacuum pump, not shown, the has a trained in the manner of a cap suction device 28, at the the pressure hose 29 of the vacuum pump is connected.
  • the suction cap is sealing on the upper housing part 3 of the housing body 2 of the Dispensing device mounted, wherein the opening 24 of the housing part 3 within the suction cap is located. For this purpose, the cap 30 does not need to be removed become. Then the vacuum pump is switched on.
  • FIG. 6 shows a partial view of an alternative embodiment of the invention Pressure cylinder 5 'with the piston 7' in the region of the extension 13 '.
  • Piston 7 ' is supported in this embodiment with its sealing lip 11' on an inwardly projecting shoulder 31 of the impression cylinder below the Extension 13 'from, so that the pressure chamber 6, regardless of the position of the Ball valve 8 is closed.
  • the paragraph 31 also forms a front Stopper for the piston, which makes this particularly easy to install attach the riser.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Closures For Containers (AREA)
  • Pipe Accessories (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Nozzles (AREA)

Claims (12)

  1. Dispositif de distribution de fluides à partir d'un réservoir étanchéifié, avec un corps de bâti (2) pouvant être posé sur le réservoir qui accueille un vérin pneumatique (5) pouvant être inséré dans le réservoir, dans lequel est réalisé un compartiment de pression (6) qui est limité à l'extrémité supérieure par un piston (7) guidé dans le vérin pneumatique et à l'extrémité inférieure par une soupape (8) qui agit par rapport au réservoir, qui se ferme en cas de surpression dans le compartiment de surpression et s'ouvre en cas de dépression, le piston comportant un canal de pompage (14) relié au compartiment de pression et le vérin pneumatique au-dessus de l'espace de pression au moins un orifice (12) pour l'aspiration d'air résiduel se trouvant dans le réservoir,
    caractérisé en ce que
    entre la paroi extérieure du piston (7) et la paroi intérieure du vérin pneumatique (5) au-dessus du au moins un orifice (12), un passage (10) pour l'air résiduel à aspirer est réalisé, et
    en ce que des moyens (20) de fermeture du passage sont prévus, qui sont tels que de l'air résiduel peut être aspiré du réservoir par le passage en créant une dépression.
  2. Dispositif de distribution selon la revendication 1, caractérisé en ce que le passage (10) mène dans un espace devant être soumis à une dépression (22) qui est réalisé dans le corps du bâti (2).
  3. Dispositif de distribution selon la revendication 1 ou 2, caractérisé en ce que les moyens de fermeture du passage (10) sont réalisés comme bague d'étanchéité (19), en particulier en polyéthylène, avec un évidement circulaire (20) dans lequel le piston (7) est guidé de manière étanche.
  4. Dispositif de distribution selon l'une des revendications 1 à 3, caractérisé en ce que le passage est une fente (10) qui est prévue entre la paroi extérieure du piston (7) et la paroi intérieure du vérin pneumatique (5).
  5. Dispositif de distribution selon l'une des revendications 1 à 4, caractérisé en ce que les orifices dans le vérin pneumatique (5) sont des fentes (12) disposées sur la circonférence.
  6. Dispositif de distribution selon l'une des revendications 1 à 5, caractérisé en ce que le corps de bâti (2) comporte un premier élément de bâti (3) avec une première section cylindrique (3a) et un deuxième élément de bâti (4) qui est posé sur le premier élément de bâti avec une deuxième section cylindrique (4a), et en ce que le vérin pneumatique (5) est fixé sur le premier élément de bâti et un tube montant (15) raccordé au canal de pompage (14) du piston (7) sur le deuxième élément de bâti, les deux éléments de bâti étant coulissants l'un par rapport à l'autre pour actionner le piston.
  7. Dispositif de distribution selon la revendication 6, caractérisé en ce que les premier et deuxième éléments de bâti (3, 4) font étanchéité l'un contre l'autre, l'espace où une dépression doit être créée (22) étant entouré par les deux éléments de bâti.
  8. Dispositif de distribution selon la revendication 7, caractérisé en ce que les premier et deuxième éléments de bâti (3, 4) font étanchéité l'un contre l'autre quand les éléments de bâti sont pressés l'un contre l'autre et quand le piston (7) est avancé dans le compartiment de pression (6).
  9. Dispositif de distribution selon la revendication 7 ou 8, caractérisé en ce qu'un orifice (24) est prévu sur le deuxième élément de bâti (3, 4).
  10. Dispositif de distribution selon la revendication 8 ou 9, caractérisé en ce que le piston (7) dans le vérin pneumatique (5) est, en dessous du au moins un orifice (12), seulement étanchéifié par une lèvre d'étanchéité (11) sur la circonférence à l'extrémité inférieure du piston, le vérin pneumatique (5) étant évasé dans une zone à l'extrémité inférieure du compartiment de pression (6) de telle manière que la lèvre d'étanchéité ne garantit par l'étanchéité du piston par rapport au vérin pneumatique dans cette zone.
  11. Dispositif de distribution selon la revendication 10, caractérisé en ce que la lèvre d'étanchéité (11) du piston (7) garantit l'étanchéité du vérin pneumatique (5) quand les deux éléments de bâti (3, 4) sont pressés l'un contre l'autre et quand le piston est avancé dans le compartiment de pression (6).
  12. Dispositif de distribution selon la revendication 11, caractérisé en ce que la lèvre d'étanchéité (11) du piston (7) se trouve dans la position avancée dans le compartiment de pression (6) en dessous de l'évasement (13) à l'extrémité inférieure du compartiment de pression.
EP01986625A 2000-10-10 2001-10-06 Dispositif de distribution de fluides Expired - Lifetime EP1324834B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10049898 2000-10-10
DE10049898A DE10049898C2 (de) 2000-10-10 2000-10-10 Abgabevorrichtung für Fluide
PCT/EP2001/011534 WO2002030577A1 (fr) 2000-10-10 2001-10-06 Dispositif de distribution de fluides

Publications (2)

Publication Number Publication Date
EP1324834A1 EP1324834A1 (fr) 2003-07-09
EP1324834B1 true EP1324834B1 (fr) 2005-09-07

Family

ID=7659111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01986625A Expired - Lifetime EP1324834B1 (fr) 2000-10-10 2001-10-06 Dispositif de distribution de fluides

Country Status (8)

Country Link
US (1) US6666355B2 (fr)
EP (1) EP1324834B1 (fr)
AT (1) ATE303869T1 (fr)
AU (1) AU2002221656A1 (fr)
DE (3) DE10049898C2 (fr)
ES (1) ES2252318T3 (fr)
HK (1) HK1057185A1 (fr)
WO (1) WO2002030577A1 (fr)

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Publication number Priority date Publication date Assignee Title
FR2832329B1 (fr) * 2001-11-20 2004-11-19 Valois Sa Dispositif de pulverisation a actionnement lateral
FR2862106B1 (fr) * 2003-11-07 2007-08-24 Valois Sas Pompe de distribution de produit fluide.
DE102004020152A1 (de) * 2004-04-24 2005-11-10 Hagin Susanne El Dosierpumpenanordnung und Verfahren zu ihrer Herstellung
WO2006007646A1 (fr) * 2004-07-22 2006-01-26 Keith Reginald Jacobs Stockage et distribution de vin provenant d'une poche situee a l'interieur d'un fut
EP1714706A3 (fr) 2005-04-21 2009-12-09 Steven Padar Pompe de dosage et procédé de fabrication d'une telle pompe remplie
DE102005043839B4 (de) * 2005-09-13 2009-10-29 Steven Padar Verfahren zur Herstellung einer befüllten Dosierpumpenanordnung und Dosierpumpenanordnung
DE102005019969B3 (de) 2005-04-27 2006-05-11 Steven Padar Verfahren zur Herstellung einer befüllten Dosierpumpenanordnung
US8336740B1 (en) 2005-11-02 2012-12-25 Daansen Warren S Fluid dispenser and pump adapter system therefor
CA2549972C (fr) * 2006-06-13 2013-11-12 Gotohti.Com Inc. Guide tubulaire porte-piston
EP2165967B1 (fr) * 2007-06-04 2012-04-18 Ryo Nishino Système de distributeur de boisson
US7967509B2 (en) 2007-06-15 2011-06-28 S.C. Johnson & Son, Inc. Pouch with a valve
DE102008002765B4 (de) * 2008-02-01 2016-06-23 Deb Ip Limited Spendereinheit sowie Verfahren zum Befüllen und Evakuieren einer Spendereinheit und Fülleinsatz für eine Spendereinheit für pastöse, schaumförmige oder flüssige Medien
CN102056677B (zh) * 2008-06-10 2014-02-26 米德韦斯特瓦科卡尔马有限责任公司 流体排出头
DE102008027599A1 (de) * 2008-06-10 2009-12-31 Meadwestvaco Calmar Gmbh Fluidaustragkopf
DE102009006430A1 (de) * 2009-01-23 2010-07-29 Ing. Erich Pfeiffer Gmbh Austragvorrichtung
IT1393823B1 (it) * 2009-04-20 2012-05-11 Lumson Spa Dispositivo per contenere a tenuta d'aria e per erogare sostanze fluide
DE102010045059A1 (de) * 2010-09-10 2012-03-15 F. Holzer Gmbh Dosiervorrichtung
DE102010048986A1 (de) * 2010-10-20 2012-04-26 Ursapharm Arzneimittel Gmbh Dosierpumpe
CN102358463B (zh) * 2011-06-20 2015-07-22 姚斌 定量泵装置
CN107262308B (zh) * 2011-10-27 2022-07-08 固瑞克明尼苏达有限公司 具有可收缩衬管的喷涂器流体供应系统
DE102011086755A1 (de) * 2011-11-21 2013-05-23 Aptar Radolfzell Gmbh Spender zum Austrag von pharmazeutischen Flüssigkeiten
USD733866S1 (en) * 2012-11-28 2015-07-07 Meadwestvaco Calmar Gmbh Dispenser
USD734449S1 (en) * 2013-05-21 2015-07-14 Meadwestvaco Calmar Gmbh Dispenser
CN103879651A (zh) * 2014-02-11 2014-06-25 温州眼视光发展有限公司 一种液体定量供给装置
FR3021881B1 (fr) * 2014-06-10 2018-03-09 Lablabo Dispositif de conditionnement et de distribution de produits pateux
US9796492B2 (en) 2015-03-12 2017-10-24 Graco Minnesota Inc. Manual check valve for priming a collapsible fluid liner for a sprayer
IT201700082234A1 (it) * 2017-07-19 2019-01-19 Lumson Spa Dispositivo di erogazione di una sostanza fluida
FR3087360B1 (fr) * 2018-10-19 2021-06-04 Promens Sa Procede de remplissage d'un reservoir d'un dispositif de distribution du type sans reprise d'air
CN117046639A (zh) 2019-05-31 2023-11-14 固瑞克明尼苏达有限公司 手持式流体喷雾器

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DE3225692A1 (de) * 1982-07-09 1984-01-12 Pfeiffer Zerstäuber Vertriebsgesellschaft mbH & Co KG, 7760 Radolfzell Dosierpumpe sowie verfahren und vorrichtung zum befuellen eines mit einer dosierpumpe versehenen behaelters
US5405038A (en) * 1993-12-02 1995-04-11 Chuang; Hsiao-Cheng Vacuum food container device
DE4400944A1 (de) 1994-01-14 1995-07-20 Ursatec Verpackung Gmbh Saug-Druckpumpe für Fluidbehälter
FR2718372B1 (fr) * 1994-04-08 1996-06-28 Sofab Dispensateur de produits fluides.
DE59610157D1 (de) * 1995-11-17 2003-03-27 Ursatec Verpackung Gmbh Vor kontamination schützende abgabevorrichtung für fluide

Also Published As

Publication number Publication date
ATE303869T1 (de) 2005-09-15
DE50107383D1 (de) 2005-10-13
DE20100429U1 (de) 2001-04-26
DE10049898A1 (de) 2002-04-25
WO2002030577A1 (fr) 2002-04-18
EP1324834A1 (fr) 2003-07-09
DE10049898C2 (de) 2002-10-02
HK1057185A1 (en) 2004-03-19
AU2002221656A1 (en) 2002-04-22
US20030183655A1 (en) 2003-10-02
US6666355B2 (en) 2003-12-23
ES2252318T3 (es) 2006-05-16

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