EP1248682B1 - Procede et dispositif de distribution commandee de mousse - Google Patents

Procede et dispositif de distribution commandee de mousse Download PDF

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Publication number
EP1248682B1
EP1248682B1 EP01900075A EP01900075A EP1248682B1 EP 1248682 B1 EP1248682 B1 EP 1248682B1 EP 01900075 A EP01900075 A EP 01900075A EP 01900075 A EP01900075 A EP 01900075A EP 1248682 B1 EP1248682 B1 EP 1248682B1
Authority
EP
European Patent Office
Prior art keywords
foam
air
phase
backward stroke
compressed air
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
EP01900075A
Other languages
German (de)
English (en)
Other versions
EP1248682A1 (fr
Inventor
Markus Ehrensperger
Hans-Jörg Studer
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.)
HTS International Trading AG
Original Assignee
HTS International Trading AG
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 HTS International Trading AG filed Critical HTS International Trading AG
Priority to DK01900075T priority Critical patent/DK1248682T3/da
Priority to EP01900075A priority patent/EP1248682B1/fr
Publication of EP1248682A1 publication Critical patent/EP1248682A1/fr
Application granted granted Critical
Publication of EP1248682B1 publication Critical patent/EP1248682B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47K5/14—Foam or lather making devices
    • 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
    • B05B11/1087—Combination of liquid and air 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
    • B05B11/01—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like

Definitions

  • the present invention relates to a method for foam output and a device according to the preamble of claim 1 or claim 4.
  • foam dispensers are often in laundry and toilet rooms, in particular of public facilities, restaurants etc. used. You can also find them in areas with high hygiene requirements such as food industry, Health care etc., where they often use soap solutions, which Disinfectants are included, operated.
  • Fig. 4 is a concentric structure
  • Foam dispenser known, via a check valve Air from the dispenser housing sucks, compresses and simultaneously promotes soap solution from an intermediate container. Both media are brought together in a mixing room; The coarse-bubble foam formed there is subsequently Homogenized via a foamer and for Wash hands out.
  • a foam dispenser is also known from US-A-5,862,954 known.
  • the known device is relatively bulky and consists of numerous items polluting over time and stick and / or contaminate the donor. He also tends to dribble because in the mixing room and in the dispenser the remaining foam partially breaks down and partly, especially during longer business interruptions, bonded.
  • the donor to be created should be reliable and improved create hygienic conditions. He should have one large intermediate container with a clearly visible level indicator have enough time to do so for replacing the empty storage bottle with a new, filled is available. In addition, the donor should be economical be produced and a minimum of maintenance require.
  • the nozzle chamber always remains clean; he does not encrust, allowing the dispenser even after long interruptions is functional.
  • the method of claim 2 is very easy in integrate existing designs of air cylinders.
  • a residual foam present in the foam dispensing bore becomes successfully destroyed by an upstream expansion, so that no dripping occurs.
  • the device according to claim 5 has the advantage of very hygienic and reliable construction.
  • the embodiment according to claim 8 prevents the penetration of germs, etc. in the donor and represents a crucial Improvement of hygienic conditions safe.
  • the embodiment according to claim 9 increases the operational safety and serves to ensure the use of appropriate Soap solutions, especially in critical areas (Food production and distribution, health care Etc.).
  • 1 is a fragmentary shown Foam dispenser called, which arranged with an overhead Reservoir is supplied with soap solution. used is the supply bottle symbolized by an arrow 2 in an adapter 8 with central piercing sleeve 9 and a coding edge 10, which on a closure lid. 7 a trained in the manner of a birdbath tank 6 are embedded. On the lid 7 are In addition, clamping and locking pieces 11, the corresponding to Profiles fit in side cheeks 34 on a rear wall 30 and easy assembly and disassembly of the functionally essential Allow parts of the dispenser 1.
  • a vertical, projecting, see transparent part 19 On the front side, a vertical, projecting, see transparent part 19, in which a float 22 with flag 22 'which is a Fill level indicator.
  • a soap dosing cylinder 83 and an air cylinder 82 Below are a soap dosing cylinder 83 and an air cylinder 82, the latter supplied by a not drawn air inlet valve 90 is. Furthermore, a discharge hole 80 for soap foam and to see a nozzle / expansion body 74.
  • Curved grooves 35 are embedded in the side cheeks 34, in the both sides of flanges 36 outstanding Pin a lever 24 grab, which on its lower Side is provided with an actuating ring 23.
  • the operating lever 24 is opposed by two times bent spring wires 60 pressed into the drawn position.
  • the direction of movement of the ring 23 is denoted by + and -, wherein the + direction corresponds to the forward stroke (effective stroke) and the negative direction (-) the reverse stroke of the corresponds to 43 designated piston rod.
  • the air cylinder 82 is provided with a pump support 13, which is locked on the side cheeks 34; as well are in the intermediate container 6 side guides 12 embedded, which serve the exact positioning.
  • a film hinge which is used to connect the Rear wall 30 with a hinged hood 20 is used, see Fig. 2.
  • FIG. 2 shows the outer shape of the hood 20th and thus the whole device housing, with the front one Viewing window 21 is omitted for the level indicator.
  • the float 22 is shown in full in Fig. 2a. From a float body 25 protrudes the flag 22, while arranged on both sides of body 25 guide profiles 26 with grooves are.
  • FIG. 3 Further details of the dispenser Fig. 1 to 2 are the Sectional view Fig. 3 can be seen.
  • a bottleneck 3 has a liquid-tight attached Part 4, which characterizes and codes the bottle.
  • a pricked Membrane 52 Inside the bottle neck 3 is a pricked Membrane 52, which serves as a bottle cap to see. The piercing happens when inserting the container 2 by the piercing sleeve 9 in the adapter 8, with his Form is adapted to the coding part 4.
  • a pushes on Bottle neck 3 provided projection on a hemispherical Closure plug 50, removes this from the valve seat 51 and open the passage for the soap solution, so that adjusts the level represented by which a nachgespeisten airspace L is kept constant.
  • the Closure plug 50 is in one piece via a spring leaf 48 provided with two opposite mounting pins 49 and inserted in the closure cap 7.
  • the soap solution can via a soap passage 69 and a Passage pin 84 to a buoyant check valve 44, which is the top side to the soap dispensing cylinder 83 is arranged. On the opposite side is another check valve 44 'over a valve spring 45 is pressed against its upper valve seat is. Below is a foamer 73 to see through completed a nozzle / expansion body 74 and with a oblique discharge hole 80 is provided.
  • the air cylinder 82 In the air cylinder 82 is an axially displaceable air piston 42, which is integral with the piston rod 43 and a frontal soap dissolving piston 40 is formed. Further, in the air cylinder 82 two holes are visible, the radial one air passage 89 to the nozzle / expansion body 74 and the axial one air passage 91 to Foamer 73 is.
  • the rear end of the piston rod 43 is inserted between two Side guides 54 and has a bearing pin 39 which is engaged laterally in a pressure cam 38.
  • a positive coupling will be the piston rod 43 in + and - direction (see Fig. 1) with the actuating lever 24th horizontally guided; the front end position of the lever 24 is indicated by a dashed line.
  • the observer side front spring 60 to see in the manner of a leaf spring, the provision of the lever 24 causes in its rear end position.
  • FIG. 4 are in an enlarged view, the items the foamer and the formation of the nozzle / expansion body 74 to see.
  • a Valve ball 70 In addition to Fig. 3 is a Valve ball 70, a plug 71 with a central passage, and a pipe section 72, the leadership of the spring 45th serves, visible.
  • a foam divider 86 In the lower part of the foamer 73, however, still arranged in this is a foam divider 86 to see.
  • the foaming principle is notoriously known as such, as well as that of refinement and homogenization Membrane sieve 85 at the lower end of the foamer 73 as well the foam divider 86.
  • the plan view of the foamer 73 is notoriously shown in FIG known foam nozzles through which from above through the Lucas 2008üngen 88 the compressed air in the VorMumhunt 87 foam formed through drives.
  • the air cylinder 82 shown schematically in FIG. 7a lets you see how it works.
  • a foaming of soap solution serving forward stroke H w is effective from passing over the air piston 42 via the radial air passage 89; it builds on the stroke H of Fig. 7b drawn pressure curve p, up to a maximum value of the effective pressure P w , on.
  • This active pressure P w is delivered via the axial air passage 91 to the connected foamer.
  • FIG. 7c A preferred embodiment of an air cylinder 82 with foamer 73 and nozzle / expansion body 74 is shown in Fig. 7c shown on one side.
  • FIG. 7c In contrast to the embodiment of FIG. 3 is in Fig. 7c only a single air passage 89 provided.- In addition to a radial Passage 89 has the variant of FIG. 3 channels 93, which is also connected to the nozzle / expansion body 74 are.
  • Fig. 7c the single air passage 89 is formed analogous to Fig. 7a; also the reverse stroke H B and the further reverse stroke H s are entered.
  • the return suction direction characterized by arrows is designated by -p.
  • the subject invention is compared to the aforementioned State of the art in relation to its reliability, Cleanliness and hygiene a considerable improvement represents.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Detergent Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)

Claims (12)

  1. Procédé de distribution par portions contrôlée de mousse dans un appareil destiné à produire et à doser de la mousse, qui à partir d'un liquide transformable en mousse peut être transformée, sous apport d'air comprimé, en une mousse à grosses bulles et est affinée et homogénéisée dans un système de moussage monté en aval, une course d'avance du piston pneumatique pour la production de mousse et une course de recul pour expulser la mousse hors d'une filière de distribution de mousse étant réalisées dans un vérin à air comprimé, caractérisé en ce que le flux d'air produit par la course de recul du piston pneumatique (42) est introduit, dans le secteur de la filière de distribution de mousse (80), sous forme de pression dans une première phase et sous forme de dépression dans une seconde phase, la mousse présente dans la filière de distribution (80) étant en majeure partie expulsée pendant la première phase et la mousse résiduelle qui reste se dilatant et retombant sous l'effet de la dépression pendant la seconde phase.
  2. Procédé selon la revendication 1, caractérisé en ce que l'inversion du sens du flux sous pression est produite par un passage d'air radial qui se trouve, pendant la première phase, devant le piston pneumatique actionné pour la course de recul et, pendant la seconde phase, derrière le piston pneumatique se trouvant en cours de course de recul.
  3. Procédé selon la revendication 2, caractérisé en ce que l'inversion du sens du flux sous pression est produite par un passage d'air unique disposé de manière fixe, dans le secteur de la course de recul, radialement dans le vérin à air comprimé.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le flux sous pression de la course de recul est expansé derrière la filière de distribution de mousse.
  5. Dispositif de mise en oeuvre du procédé selon la revendication 1 dans un appareil (1) de production et de distribution par portions contrôlée de mousse, constitué d'un conteneur de réserve (2) pour une solution savonneuse, disposé tête en bas, d'un réservoir intermédiaire (6) avec indication de niveau, d'un dispositif de dosage pour solution savonneuse et d'un vérin à air comprimé (82) comportant un piston pneumatique à double effet (42), l'air comprimé produit dans la course d'avance sortant du côté frontal, d'une chambre de mélange pour air et solution savonneuse et d'un système de moussage (73) comportant une filière de distribution (80) montée en aval pour diviser en portions de la mousse savonneuse, caractérisé en ce que dans le vérin à air comprimé (82) est prévu au moins un passage d'air (89) radial, et que celui-ci est relié de manière pneumatique à la filière de distribution de mousse (80).
  6. Dispositif selon la revendication 5, caractérisé en ce qu'un passage d'air (89) unique est présent, sur lequel le piston pneumatique glisse pendant la course de recul.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce qu'un corps de filière/d'expansion (74) est monté entre le passage d'air (89) et la sortie du système de moussage (73).
  8. Dispositif selon la revendication 6, caractérisé en ce que le réservoir intermédiaire (6) est couvert vers le haut par un couvercle de fermeture (7) dans lequel un taquet de fermeture (50) disposé élastiquement est monté de telle façon que le réservoir intermédiaire (6) est toujours fermé lorsque le conteneur de réserve (2) n'est pas en place.
  9. Dispositif selon la revendication 8, caractérisé en ce que sur le couvercle de fermeture (7) est prévu un adaptateur qui présente un bord de codage (10) qui correspond à des pièces de codage (4), disposées sur le col (3), d'un conteneur de réserve (2).
  10. Dispositif selon la revendication 6 ou 8, caractérisé en ce que dans le réservoir intermédiaire (6) sont prévus des éléments de guidage (47) qui guident un flotteur (22) mobile verticalement avec fanion indicateur (22') dans une pièce verticale saillante.
  11. Dispositif selon la revendication 6 ou l'une des revendications 8 à 9, caractérisé en ce que dans le couvercle de fermeture (7) est prévue une douille de perçage (9) qui perce une membrane (52) présente dans le flacon de réserve (2), pendant la mise en place de celui-ci sur le couvercle de fermeture (7).
  12. Utilisation du dispositif selon l'une des revendications 6 à 11 dans un distributeur de mousse à actionnement manuel ou électromécanique, pour la distribution de mousse de savon pour le lavage des mains.
EP01900075A 2000-01-19 2001-01-16 Procede et dispositif de distribution commandee de mousse Expired - Lifetime EP1248682B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK01900075T DK1248682T3 (da) 2000-01-19 2001-01-16 Fremgangsmåde og indretning til styret afgivelse af skum
EP01900075A EP1248682B1 (fr) 2000-01-19 2001-01-16 Procede et dispositif de distribution commandee de mousse

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP00810042A EP1118389A1 (fr) 2000-01-19 2000-01-19 Procédé et dispositif de distribution contrôlée de mousse
EP00810042 2000-01-19
PCT/CH2001/000028 WO2001053002A1 (fr) 2000-01-19 2001-01-16 Procede et dispositif de distribution commandee de mousse
EP01900075A EP1248682B1 (fr) 2000-01-19 2001-01-16 Procede et dispositif de distribution commandee de mousse

Publications (2)

Publication Number Publication Date
EP1248682A1 EP1248682A1 (fr) 2002-10-16
EP1248682B1 true EP1248682B1 (fr) 2005-05-25

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP00810042A Withdrawn EP1118389A1 (fr) 2000-01-19 2000-01-19 Procédé et dispositif de distribution contrôlée de mousse
EP01900075A Expired - Lifetime EP1248682B1 (fr) 2000-01-19 2001-01-16 Procede et dispositif de distribution commandee de mousse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00810042A Withdrawn EP1118389A1 (fr) 2000-01-19 2000-01-19 Procédé et dispositif de distribution contrôlée de mousse

Country Status (9)

Country Link
US (1) US6626332B2 (fr)
EP (2) EP1118389A1 (fr)
AT (1) ATE296168T1 (fr)
AU (1) AU2339001A (fr)
DE (1) DE50106308D1 (fr)
DK (1) DK1248682T3 (fr)
ES (1) ES2241774T3 (fr)
PT (1) PT1248682E (fr)
WO (1) WO2001053002A1 (fr)

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AU5653090A (en) 1989-05-16 1990-12-18 Pech, Viktor Device for dispensing portions of a medium
US5348189A (en) * 1991-04-10 1994-09-20 Bespak Plc Air purge pump dispenser
US5544788A (en) * 1993-02-17 1996-08-13 Steiner Company, Inc. Method of and apparatus for dispensing batches of soap lather
DE9407178U1 (de) * 1994-05-02 1994-07-07 Reidel Hermann Vorrichtung zur Erzeugung und Abgabe von Schaum
CH688021A5 (de) * 1994-07-18 1997-04-30 Cws Ag Geraet zur Bildung von Seifenschaum und dessen Verwendung.
US5984146A (en) * 1996-09-27 1999-11-16 Kaufman; John G. Dispenser having foamed output

Also Published As

Publication number Publication date
DK1248682T3 (da) 2005-08-01
AU2339001A (en) 2001-07-31
PT1248682E (pt) 2005-10-31
EP1118389A1 (fr) 2001-07-25
DE50106308D1 (de) 2005-06-30
US6626332B2 (en) 2003-09-30
WO2001053002A1 (fr) 2001-07-26
EP1248682A1 (fr) 2002-10-16
ES2241774T3 (es) 2005-11-01
US20030000967A1 (en) 2003-01-02
ATE296168T1 (de) 2005-06-15

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