EP0771166B1 - Appareil de production de mousse de savon et son procede d'utilisation - Google Patents

Appareil de production de mousse de savon et son procede d'utilisation Download PDF

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Publication number
EP0771166B1
EP0771166B1 EP95924149A EP95924149A EP0771166B1 EP 0771166 B1 EP0771166 B1 EP 0771166B1 EP 95924149 A EP95924149 A EP 95924149A EP 95924149 A EP95924149 A EP 95924149A EP 0771166 B1 EP0771166 B1 EP 0771166B1
Authority
EP
European Patent Office
Prior art keywords
air
foaming unit
lather
cylinder space
soap
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
EP95924149A
Other languages
German (de)
English (en)
Other versions
EP0771166A1 (fr
Inventor
Markus Ehrensperger
Rupert Pachler
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.)
CWS AG
CWS International AG
Original Assignee
CWS AG
CWS International 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 CWS AG, CWS International AG filed Critical CWS AG
Publication of EP0771166A1 publication Critical patent/EP0771166A1/fr
Application granted granted Critical
Publication of EP0771166B1 publication Critical patent/EP0771166B1/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
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/02—Lathering the body; Producing lather
    • A45D27/10—Lather-producing devices operated by compressed air or by swirling water
    • 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
    • A47K5/1204—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a rigid dispensing chamber and pistons
    • 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
    • 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

Definitions

  • the present invention relates to an apparatus for forming Soap foam, with one operated by a single lever Soap solution dosing pump, with one in its cylinder space piston reciprocating from the lever, as well as with a coaxial to the dosing pump, mutually movable, and with this synchronously moving device for compaction and introduction of air, with closable openings and / or lines lead into a foaming unit, where fine-bubble foam portions are formed.
  • a device for dispensing corresponding to the generic term of cleaning agents or disinfectants or the like, is known from CH -A5- 676 227. This construction is based on manufacturing-technical adjustments of the constructions according to EP-A1-0 019 582 and EP-A1-0 079 853.
  • the foaming unit used here is also already known (CH -A5- 676 456) and finds its usual Use for closure and dispensing parts of mostly plastic bottles. Pressing on the bottle walls will Liquid and air in the "foamer” above pressed, swirled, foamed, through a microsieve pressed and directly as an unshaped foam structure over a Nozzle issued.
  • manufacturing technology Tolerances due to relative mobility of the components balanced to each other.
  • the known devices are relatively complex in their construction (EP-A1-0 019 582 and EP-A1-0 079 853), or leave something to be desired in their foam quality (C -A5-676 227).
  • the individual foam portions fall at slow Movements of the operating lever compared to fast movements different from; the valves and arrangements used tend to drip.
  • the in the dosing pump provided air springs, which the output should ensure the soap solution, negatively on the constancy the dosing amount.
  • the construction should be economical be designed and especially for a Suitable for mass production.
  • the design of the cylinder space according to the invention allows an accurate and synchronous dosage of liquid soap and of air, so that, regardless of the path of the lever, one similar soap foam formation results. Also results the front contacting of the piston in the cylinder chamber clear strokes and thus precisely defined delivery rates, without remaining volumes.
  • this solution Technically cheap and economical; other positive configurations of the piston and the cylinder space are also conceivable, but less cheap for one mutual coordination.
  • the embodiment according to claim 2 is manufacturing technology cheap and allows the contact area between the piston and precisely define the cylinder space without wear of the two parts is created.
  • a ball made of an elastomer has proven particularly useful, Claim 4, since this is already a with minimal spring pressure results in optimal tightness.
  • the siphon-like expansion / conditioning space, claim 6, is particularly cheap; on the one hand, it serves for compression and homogenization of the foam and, on the other hand, can can be easily cleaned in its vertical area.
  • an aperture according to claim 9 forces the soap foam to a contraction and serves, according to the subsequent repeated expansion, for its homogenization.
  • the screen acts compared to the one behind it Expansion part, after blowing off the soap foam, as a defined finish with minimal surface area and reduced thus the penetration of air into the conditioning part and into the foaming unit.
  • Claim 10 therefore serves to improve the foam quality and leads to a reproducible Portioning the foam.
  • the air spring listed in claim 11 can be simplified Form by an outer ring groove in the foaming unit realize and improve the flow conditions in the inlet area of the foaming unit.
  • the device according to the invention is outstanding for use in public washrooms, especially in toilet rooms.
  • the device is largely maintenance-free; the replacement
  • the soap solution bottle can, depending on the frequency, at intervals from several days to several weeks.
  • a soap foam dispenser is shown, which is compatible with the previous model, which has been manufactured a million times according to EP -A1- 0 019 582 and EP -A1- 0 079 853.
  • Reference number 1 is a metering pump with a cylinder space 2 designated for soap solution.
  • This cylinder space 2 has a flat surface on the front. Plan around this Are an overhead inlet valve 4 with a surface floatable ball 4a and below, opposite, one Exhaust valve 5 with a ball 5a.
  • Corresponding inputs and Outlet bores are labeled 21 and 22 and are tangent a bevel 20 in the cylinder space 2.
  • Piston head 24 executed at the same angle
  • Piston head 24, with its also flat end face 23 has a seal 26, a commercially available O-ring on, and is via an elastically designed piston rod 27 driven with cavity 28.
  • the piston rod has at the end 27 a pressure sliding surface 29 on which a cam 30 a yoke 31 serving to actuate the dispenser, with struts 32 and an annular actuating lever 33 lies on.
  • An air pump 12 is arranged concentrically with the metering pump, which via a compression spring supported on its housing 13 an elastic piston 14, with double lips and an O-ring seal 15, in the drawn rest position presses.
  • a support / adapter serves as the housing cover for the air pump 12 36, which on the one hand has a rear side bearing 34 (drawn) and a front side bearing 35 (not drawn) for the yoke 31 and on the other hand with its back Mounting rail 37 for mounting - by pushing it in -
  • notoriously known apparatus housing serves.
  • the ball 5a of the exhaust valve 5 is through a valve spring 9 is pressed into a corresponding valve seat, the second end of the valve spring 9 in a - drawn in plan view - drilling of a foaming unit 18 is stored.
  • Below the foaming unit 18, connected to a mixing nozzle, the expansion part 19a an expansion / conditioning room, with a first Cross section q1.
  • the expansion part 19a leads to a conditioning part 19b, with an aperture 19c, in rectangular Form between which the two parts 19a and 19b is inserted.
  • the cylindrical cross section present in part 19b is q2 larger than the likewise cylindrical cross section q1.
  • an air outlet 16 is provided, which with the Interior of a wind boiler 17 is operatively connected, in which the foaming unit 18 is arranged concentrically.
  • the inlet valve 4 is connected to the interior via a bore 4 ' a housing 38 connected, which serves as an intermediate soap storage serves.
  • This interim storage facility is fed by a notoriously known bottle, not shown liquid soap, which is screwed into a connector 39 is part of a cover 40 of the housing 38.
  • a blow-out valve 6 Located at the end of the blow-out line 45 ' a blow-out valve 6, with a corresponding valve ball. Below the valve 6 is a cylindrical inflow part provided which is concentric with the upper end of the Conditioning part 19b is arranged.
  • the mode of operation of the device according to FIG. 1 is as follows:
  • the soap foam thus formed first expands in the Mixing nozzle 53 of the foaming unit 18 and then in the horizontal region of the expansion part 19a; more flowing Foam presses the foam formed first over the vertical, cylindrical area of the expansion part 19a, is contracted in the aperture 19c, can with an expanded cross section q2 expand again and undergoes conditioning in part 19b before it goes through the Exhaust nozzle 10 exits.
  • the conditioned one discharged via the outlet nozzle 10 Foam is of high homogeneity and delicacy and is in its volume stabilized.
  • the spring 13 presses the Piston 14 backwards, in the sense of a double-acting Piston air compresses via lines 41 to 45 'flows into the inflow part 46 and here in the expansion part 19a completely pushes out the existing foam.
  • valves used are arranged so that the rest position corresponds to the sealing position. So that is ensures that even with very small currents (quasi-static) their function is fulfilled.
  • the ball guide designed for a small gap width of approx. 0.5 mm; the ball guide is made in a manner known per se achieved by four delimiting surfaces, so that a possible Already glue through those acting on the ball hydraulic forces is canceled again.
  • the pressure range, measured at the outlet of the metering pump, is to a maximum of 1.5 bar; the air pressure, measured at the outlet of the air cylinder, shows a maximum pressure of 0.2 bar.
  • the typical amount of time to operate the foam dispenser moves in the range of one second. Shorter or slower Activities do not adversely affect the Foam quality.
  • the optimal dosing volume has been found to be 0.4 ml of soap solution per stroke, with an approximately 30-fold increase in volume in the foam. Due to its high consistency, the resulting foam volume of 12.5 cm 3 creates the "illusion" of a bar of soap.
  • the foaming unit is known per se 18 (CH -A5- 676 456) from an inner flange 61 surrounded, which in turn partially by one Outer flange 62 enclosed and below in the outflow direction the valve 5 is centered, detachably mounted.
  • the flow body 56 has one at its upper end deep, circumferential groove, which acts as an inner air spring 55 acts and, like the wind boiler 60, a uniform Introducing the air into the mixture line 54 causes. - This type of flow against the foaming element 18 is decisive for the continuous swirling described above responsible and thereby initiates the qualitative high quality foam generation.
  • the flow body 56 is held by a carrier flange 57 and held by the circumferential clamping part 58 and positioned axially symmetrically in a centering bushing 59.
  • Fig. 3 shows a foam dispenser, although in the known housing would fit, but has a soap bottle 70, which is larger in volume than that in the array 1 used bottles.
  • the device housing 71 is provided for mounting on a wall W, mostly determined over a wash basin etc.
  • the metering pump 1 has one fixed piston head 24, with two through it guided outlet bores 22 '.
  • the previously described exhaust valve 5 which in the here horizontally arranged foaming unit 18 with a Spring 9 over the bore 22 ', with its ball on one Valve seat rests.
  • the foaming unit 18 points again the outflow aids described in the air chamber 17 on.
  • the mixing nozzle 53 lying horizontally here flows the expansion / conditioning room also designed as a siphon via the expansion part 19a in the transverse direction.
  • the cam 30 acts on the vertically arranged one Air pump 12.
  • the other parts correspond to the devices already described; only the intake valve 7 here arranged asymmetrically to the cylinder space 11. the horizontal running air supply is designated 44.
  • This device has the advantage of hygienic operation and, due to its compact construction, a larger soap bottle 70 and a larger intermediate soap store Record 38 '.
  • the device also intended for wall mounting, Fig. 5, is constructed in an analogous manner to the previous ones.
  • actuated via an actuating button 33 ' emerges from the device housing 71 with the piston rod 27 '.
  • the air flow for the blow-out process also takes place here asymmetrical over air supply lines shown in dashed lines 43 'and a ring line 42'. Further here is a relatively massive central warehouse 74 is provided which If the actuating force P does not act axially on the button 33 ', or on the piston rod 27' the resulting Record moments and transfer them to the housing 71 can.
  • the device can also be used as a table model build up.
  • the components previously discussed visible, as well as the reinforced central warehouse 74, and one that dips into the underlying soap bottle 70 ' Intake pipe 73.
  • the short one is advantageous here Air supply 44 ', which also has an inflow part 46
  • the conditioning part 19b flows coaxially, so that one a hand of foam under the outlet nozzle 10 is administered.
  • the housing 71 ' is to be made stable and possibly to be glued to the table T.
  • the device is therefore very environmentally friendly in use and clean (drip-free), ergonomically favorable and due to its Functional safety is ideal for installation in public places Suitable for washrooms.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Detergent Compositions (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Reciprocating Pumps (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (12)

  1. Appareil de production de mousse de savon, comprenant une pompe de dosage de solution de savon (2, 24, 25, 27) actionnée par un seul levier (31, 33), un piston (24, 25, 27) pouvant être anime par le levier d'un mouvement de va-et-vient dans son espace cylindrique (2), ainsi qu'un dispositif pour la compression et l'injection de l'air (12) monté coaxialement de manière mobile par rapport à la pompe de dosage (2, 24, 25, 27) et déplacé en synchronisme avec celle-ci, des orifices et/ou conduites (22, 16) obturables débouchant dans une unité de moussage (18) dans laquelle sont formées des portions de mousse à fines bulles, caractérisé en ce que l'espace cylindrique (2) est plan du côté frontal, qu'une soupape d'admission à bille (4) et une soupape de sortie à bille (5) commandée par ressort sont disposées en face l'une de l'autre, que la tête de piston (24) présente une forme plane du côté frontal et que le levier (31, 33) contacte le piston (24, 25, 26, 27) à engagement positif dans sa position de fin de course, dans l'espace cylindrique (2) du côté frontal.
  2. Appareil selon la revendication 1, caractérisé en ce que le piston (24, 25, 26, 27) et l'espace cylindrique (2) présentent chacun du côté frontal, à la périphérie, des chanfreins (25 ; 20) complémentaires.
  3. Appareil selon la revendication 1, caractérisé en ce que la bille (4a) de la soupape d'admission (4) présente une densité inférieure à celle de la solution de savon à doser.
  4. Appareil selon la revendication 3, caractérisé en ce que la bille (4a) de la soupape d'admission (4) est réalisée dans un élastomère.
  5. Appareil selon la revendication 1, caractérisé en ce qu'un espace d'expansion/de conditionnement (19) de forme cylindrique est raccordé à l'unité de moussage (18).
  6. Appareil selon la revendication 5, caractérisé en ce que l'espace d'expansion/de conditionnement (19) est conformé en siphon dont la section de conditionnement (19b) orientée verticalement présente par rapport à la section d'expansion (19a) une largeur intérieure (q1 ; q2) plus grande.
  7. Appareil selon la revendication 6, caractérisé en ce que la section de conditionnement (19b) verticale est alimentée coaxialement, au moyen d'une conduite de soufflage (45, 45'), avec un courant d'air de soufflage sous une pression (p).
  8. Appareil selon la revendication 7, caractérisé en ce que la conduite de soufflage (45, 45') est raccordée à une sortie de la pompe à air (12).
  9. Appareil selon la revendication 7, caractérisé en ce qu'un diaphragme (19c) est inséré entre la section d'expansion (19a) et la section de conditionnement (19b).
  10. Appareil selon la revendication 1, caractérisé en ce qu'un réservoir d'air (60) est monté en amont de l'unité de moussage (18).
  11. Appareil selon la revendication 10, caractérisé en ce qu'un coussin d'air (55) intérieur est prévu dans l'unité de moussage (18), en plus du réservoir d'air (60).
  12. Utilisation de l'appareil selon au moins l'une des revendications 1 à 11 dans des lavabos publics.
EP95924149A 1994-07-18 1995-07-17 Appareil de production de mousse de savon et son procede d'utilisation Expired - Lifetime EP0771166B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2276/94 1994-07-18
CH02276/94A CH688021A5 (de) 1994-07-18 1994-07-18 Geraet zur Bildung von Seifenschaum und dessen Verwendung.
PCT/CH1995/000165 WO1996002178A1 (fr) 1994-07-18 1995-07-17 Appareil de production de mousse de savon et son procede d'utilisation

Publications (2)

Publication Number Publication Date
EP0771166A1 EP0771166A1 (fr) 1997-05-07
EP0771166B1 true EP0771166B1 (fr) 1998-05-06

Family

ID=4229982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95924149A Expired - Lifetime EP0771166B1 (fr) 1994-07-18 1995-07-17 Appareil de production de mousse de savon et son procede d'utilisation

Country Status (17)

Country Link
US (1) US5862954A (fr)
EP (1) EP0771166B1 (fr)
JP (1) JP3539969B2 (fr)
KR (1) KR970704374A (fr)
AT (1) ATE165720T1 (fr)
AU (1) AU685964B2 (fr)
CA (1) CA2195184A1 (fr)
CH (1) CH688021A5 (fr)
DE (1) DE59502120D1 (fr)
DK (1) DK0771166T3 (fr)
ES (1) ES2116093T3 (fr)
FI (1) FI105010B (fr)
HK (1) HK1010041A1 (fr)
NO (1) NO325330B1 (fr)
PL (1) PL318313A1 (fr)
SK (1) SK284807B6 (fr)
WO (1) WO1996002178A1 (fr)

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US4174056A (en) * 1977-05-10 1979-11-13 Ciba-Geigy Corporation Pump type dispenser with continuous flow feature
CH636761A5 (de) * 1979-05-10 1983-06-30 Europtool Trust Einrichtung zur dosierung und bildung von seifenschaum.
US4477000A (en) * 1979-05-10 1984-10-16 Europtool Trust Apparatus for forming portions of soap foam
DE2932359A1 (de) * 1979-08-09 1981-02-26 Siemens Ag Isolator fuer aussenraum-klima
DE2932848C2 (de) * 1979-08-14 1983-09-15 Apura GmbH + Co PWA Einmalhandtücher, 6200 Wiesbaden Seifenspender für Flüssigseifen
DE3262348D1 (en) * 1981-11-18 1985-03-28 Cws Ag Device for the portional formation of soap lather
CH676456A5 (fr) * 1988-04-05 1991-01-31 Supermatic Kunststoff Ag
CH676227A5 (en) * 1988-05-02 1990-12-28 Proma Ag Dispenser for cleaning or disinfecting material - has fluid reservoir and piston with lower air mixing head
US5570819A (en) * 1992-07-07 1996-11-05 Daiwa Can Company Foam dispensing pump container

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DK0771166T3 (da) 1998-10-07
WO1996002178A1 (fr) 1996-02-01
CA2195184A1 (fr) 1996-02-01
AU2878595A (en) 1996-02-16
FI970178A (fi) 1997-01-16
NO970218L (no) 1997-03-17
ATE165720T1 (de) 1998-05-15
DE59502120D1 (de) 1998-06-10
NO325330B1 (no) 2008-03-31
SK6497A3 (en) 1997-07-09
JP3539969B2 (ja) 2004-07-07
KR970704374A (ko) 1997-09-06
CH688021A5 (de) 1997-04-30
FI970178A0 (fi) 1997-01-16
EP0771166A1 (fr) 1997-05-07
PL318313A1 (en) 1997-06-09
HK1010041A1 (en) 1999-06-11
JPH10502837A (ja) 1998-03-17
ES2116093T3 (es) 1998-07-01
FI105010B (fi) 2000-05-31
US5862954A (en) 1999-01-26
AU685964B2 (en) 1998-01-29
SK284807B6 (sk) 2005-11-03
NO970218D0 (no) 1997-01-17

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