EP2322066B1 - Procédé et distributeur destinés à distribuer des portions d'un fluide - Google Patents

Procédé et distributeur destinés à distribuer des portions d'un fluide Download PDF

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Publication number
EP2322066B1
EP2322066B1 EP10014191.0A EP10014191A EP2322066B1 EP 2322066 B1 EP2322066 B1 EP 2322066B1 EP 10014191 A EP10014191 A EP 10014191A EP 2322066 B1 EP2322066 B1 EP 2322066B1
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EP
European Patent Office
Prior art keywords
fluid
dispenser
pump
discharge opening
conveying
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.)
Active
Application number
EP10014191.0A
Other languages
German (de)
English (en)
Other versions
EP2322066A1 (fr
Inventor
Hans Georg Hagleitner
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.)
Individual
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Individual
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Publication date
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Publication of EP2322066A1 publication Critical patent/EP2322066A1/fr
Application granted granted Critical
Publication of EP2322066B1 publication Critical patent/EP2322066B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
    • A47K5/1208—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a flexible dispensing chamber
    • 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
    • B05B11/1097—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 with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke

Definitions

  • the invention relates to a method for lossless delivery of portions of a fluid from a supply by means of a dispenser having a reservoir, a line portion comprising a dispensing opening and a feed pump arranged between the reservoir and the dispensing opening, wherein after completion of each conveying operation at the dispensing opening pending Fluid is conveyed back through the conduit section, and contamination of each subsequent portion of the fluid is thereby at least substantially prevented, that the fluid is conveyed through a line section, which is made of an antimicrobial plastic, and a dispenser for use in this method.
  • a sprayer for liquids has become known, which is provided with a hand-operated reciprocating pump. This sucks after delivery of the liquid during the return to the starting position not only the next portion of the liquid in the pump cylinder, but indirectly also remaining Liquid from the spray channel in a provided before the pump chamber back, from which the liquid is displaced again in the next operation of the pump.
  • the antimicrobial plastic used for the spray channel and the chamber prevents settlement of these areas with microorganisms.
  • the invention has now set itself the task of actively using a pump for the emptying of the last line section, and achieves this by reversing the conveying direction of the pump for the return conveyance of the fluid.
  • the feed pump is designed as a peristaltic pump with a switchable conveying direction and the dispensing opening is provided on a line section which is made of an antimicrobially active plastic.
  • a peristaltic pump is particularly suitable for the delivery of the various fluids in the method according to the invention, since it does not require check valves that do not allow a return of a fluid residue by the pump in the normal case.
  • the line section In order to be able to easily exchange the line section, it is preferably fastened releasably to the dispenser without tools.
  • the last line section is directed at least approximately vertically downwards, wherein the cross section of the line section is related to properties of the fluid to be dispensed: the less fluid the fluid is and the lower its surface tension, the smaller the diameter of the Be conduit section to guarantee the trouble-free return of the fluid, which is necessary to prevent dripping or drying.
  • the diameter of the Be conduit section For alcoholic solutions, for example, a diameter of 1.6 mm has been found to be favorable.
  • the tool-less interchangeability mentioned above is advantageous.
  • a fluid dispenser has a housing 21 with a cover, in the upper region of a reservoir 23 is inserted into a liquid-tight receptacle 20 of an intermediate container 2 interchangeable.
  • the reservoir 23 has a reducible volume and is in particular a foil bag or the like, so that the fluid to be dispensed is not replaced by air.
  • a compact working block 1 is provided in which all the elements required for the function are combined.
  • the working block 1 contains the intermediate container 2, from which a peristaltic pump 5 sucks in fluid and conveys it through a line section 8 to an outlet opening 9.
  • the peristaltic pump 5 has an electric drive motor 6, in particular a DC motor whose speed is directly proportional to the motor voltage.
  • a rotor On an output shaft, a rotor is fixed, are rotatably mounted on the two or three circumferentially projecting rollers 27 and rolling elements.
  • a hose 28 is disposed around the rotor, which in section in Fig. 2 can be seen, and is squeezed by the rollers 27 upon rotation of the rotor so that fluid contained in the tube 28 is conveyed from the inlet 29 to the outlet 30.
  • Such a peristaltic pump 5 is self-priming and is not affected by trapped air in their conveying effect, so it is well suited for the uniform dosage of portions of any fluid. Their conveying direction can be reversed by switching the drive motor 6, since it is valve-free.
  • Fig. 3 shows a view obliquely from below into the work block 1.
  • the work block has a molded plastic part, on the upper side of the intermediate container 2 is provided, which is closed with a receptacle 20 carrying lid 19, in particular welded.
  • the lines and a control board are provided on the underside recesses for the peristaltic pump 5, which are provided.
  • a hose 4 leads to the last line section 8 with the discharge opening 9.
  • the inlet 29 of the soap pump 5 is connected by a further hose 31 with the downward protruding outlet 3 of the intermediate container 2 connected.
  • the line section 8 is provided by a U-shaped clip 32 replaceable on the work block 1.
  • the function of the dispenser is as follows: The dispensing of a portion of the fluid contained in the reservoir 23 by non-contact or via an actuating button initiated commissioning of the drive motor 6, which puts the peristaltic pump 5 in rotation and the fluid contained in the hose 28 through the hose 4 and the line section 8 promotes the discharge opening 9, from which it is discharged, for example, in the hand held. Once the predetermined portion is delivered, the drive motor 6 is switched in its direction of rotation, and conveys the fluid back to the reservoir 23, wherein at least the last line section 8, which in particular projects vertically downwards, is emptied. Optionally, the fluid can also be sucked back from a part of the tube 4. It can danender no fluid from the discharge opening 9 drip or flow or evaporate.
  • the recirculated fluid is conveyed again loss-free to the discharge opening at the beginning of the next portion delivery. In this case, the contamination of the emptied line section 8 and the re-promoted subsequent portion of the fluid is avoided.
  • the discharge opening 9 is closed.
  • the line section 8 possibly also of the peristaltic pump 5 continuing hose 4, from an antimicrobial, bactericidal, fungicidal od. The like. Effective plastic is made.
  • a layer is provided which contains a zeolite grid with embedded silver ions. Even after a longer break again promoted fluid can not come into contact with impurities on the inner surfaces of the empty line section 8, so that even when possible germ-free to handle fluids no discardable flow of contaminated material is delivered.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Reciprocating Pumps (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (3)

  1. Procédé destiné à la délivrance, avec le moins de pertes possibles, de portions d'un fluide à partir d'une réserve au moyen d'un distributeur qui présente un réservoir (23), un tronçon de conduite (8) comprenant une ouverture de distribution (9) et une pompe de refoulement (5) disposée entre le réservoir (23) et l'ouverture de distribution (9), le fluide présent à l'ouverture de distribution (9) étant transporté en retour à travers le tronçon de conduite (8) à la fin de chaque processus de refoulement, et une souillure de chaque portion consécutive du fluide étant au moins largement empêchée en ce que le fluide est transporté à travers un tronçon de conduite (8) qui est fabriqué en matière plastique efficace contre les microbes, caractérisé en ce que le sens de refoulement de la pompe (5) est inversé pour le transport en retour du fluide.
  2. Distributeur destiné à être utilisé dans le procédé selon la revendication 1, avec un réservoir (23) remplaçable contenant un fluide, avec une ouverture de distribution (9) et avec une pompe de refoulement (5) disposée entre le réservoir (23) et l'ouverture de distribution (9), caractérisé en ce que la pompe de refoulement (5) est constituée en tant que pompe péristaltique avec sens de refoulement commutable et en ce que l'ouverture de distribution (9) est prévue sur un tronçon de conduite (8) qui est fabriqué en matière plastique efficace contre les microbes.
  3. Distributeur selon la revendication 2, caractérisé en ce que le tronçon de conduite (8) est disposé sur le distributeur de façon à pouvoir être détaché sans outil.
EP10014191.0A 2009-11-06 2010-11-02 Procédé et distributeur destinés à distribuer des portions d'un fluide Active EP2322066B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0176109A AT508916B1 (de) 2009-11-06 2009-11-06 Spender zur abgabe von portionen eines fluids

Publications (2)

Publication Number Publication Date
EP2322066A1 EP2322066A1 (fr) 2011-05-18
EP2322066B1 true EP2322066B1 (fr) 2015-10-21

Family

ID=43480954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10014191.0A Active EP2322066B1 (fr) 2009-11-06 2010-11-02 Procédé et distributeur destinés à distribuer des portions d'un fluide

Country Status (2)

Country Link
EP (1) EP2322066B1 (fr)
AT (1) AT508916B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023110368A1 (fr) * 2021-12-17 2023-06-22 Toi Toi & Dixi Group Gmbh Cabine sanitaire, en particulier cabine de toilettes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781942A (en) 1989-07-12 1998-07-21 Sloan Valve Company Wash stations and method of operation
DE4344306A1 (de) 1992-12-24 1994-06-30 Theodor Dipl Ing Krall Von Keimen nicht besiedelbare Kunststoffteile für den medizinischen Bedarf
CH688021A5 (de) 1994-07-18 1997-04-30 Cws Ag Geraet zur Bildung von Seifenschaum und dessen Verwendung.
EP0861128B1 (fr) 1995-11-17 2003-02-19 Ursatec Verpackung Gmbh Distributeur de fluides protegeant ces derniers contre une contamination
DE19642976A1 (de) 1996-10-18 1998-04-23 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
US6082586A (en) * 1998-03-30 2000-07-04 Deb Ip Limited Liquid dispenser for dispensing foam
FR2779129B1 (fr) * 1998-05-26 2000-08-18 Sofab Diffuseur de produits liquides sous forme d'aerosols
ES2247507T3 (es) 2003-06-26 2006-03-01 Q T S S.R.L. Suministrador para detergentes en espuma.
DE102007035063A1 (de) 2007-07-26 2009-01-29 Spiegelberg (Gmbh & Co.) Kg Verfahren zur Herstellung eines antimikrobiellen Kunststoffproduktes
DE202007010891U1 (de) 2007-08-03 2008-12-18 Rehau Ag + Co Rohr
DE102007043311B4 (de) 2007-09-12 2010-02-25 Trovotech Gmbh Zusammensetzung mit antimikrobieller Wirkung, Verfahren zu deren Herstellung und deren Verwendung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023110368A1 (fr) * 2021-12-17 2023-06-22 Toi Toi & Dixi Group Gmbh Cabine sanitaire, en particulier cabine de toilettes

Also Published As

Publication number Publication date
AT508916B1 (de) 2011-05-15
AT508916A4 (de) 2011-05-15
EP2322066A1 (fr) 2011-05-18

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