EP0209223B1 - Distributeur de savon liquide - Google Patents

Distributeur de savon liquide Download PDF

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Publication number
EP0209223B1
EP0209223B1 EP19860303696 EP86303696A EP0209223B1 EP 0209223 B1 EP0209223 B1 EP 0209223B1 EP 19860303696 EP19860303696 EP 19860303696 EP 86303696 A EP86303696 A EP 86303696A EP 0209223 B1 EP0209223 B1 EP 0209223B1
Authority
EP
European Patent Office
Prior art keywords
tank
cartridge
dispenser
wall
dispenser according
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
Application number
EP19860303696
Other languages
German (de)
English (en)
Other versions
EP0209223A1 (fr
Inventor
Antonio Macchi Cassia
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.)
Steiner Co Inc
Original Assignee
Steiner Co Inc
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
Priority claimed from IT8520792A external-priority patent/IT1208551B/it
Application filed by Steiner Co Inc filed Critical Steiner Co Inc
Priority to AT86303696T priority Critical patent/ATE60209T1/de
Publication of EP0209223A1 publication Critical patent/EP0209223A1/fr
Application granted granted Critical
Publication of EP0209223B1 publication Critical patent/EP0209223B1/fr
Expired 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
    • 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
    • A47K5/1209—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a flexible dispensing chamber with chamber in the form of a cylindrical tube

Definitions

  • the present invention relates to a liquid soap dispenser, of the type in which, upon operation, liquid soap is delivered from a container in discrete doses.
  • Dispensers of this type are well known and have been used and widely installed in public lavatories and toilets in public places, such as restaurants, schools, hospitals and trains.
  • the prior art liquid soap dispensers have shown a number of inconveniences, some of which have been overcome by the use of a dispensing nozzle or valve-including pump cartridge according to the prior Italian patent application No. 22295 A/84, corresponding to U.S. patent application serial no. 680,8822, filed December 12, 1984 of the same applicant.
  • the device therein described and claimed affords a more reliable operation of the dispenser, with a fixed quantity of liquid soap being always supplied, irrespective of the mass of liquid soap being in the container, while at the same time preventing undesired dripping of the product, when no pressure is exerted onto the lever.
  • the product container is usually made integral with the back support to be fastened to the wall resulting in certain constructional complications because the dispensing nozzle being clamped to the support or container is not easy to service or replace.
  • it could be difficult to feed the product directly into the dispenser container by pouring the liquid from a big supply tank because the container is so close to the wall.
  • Some difficulties may also arise when it is required to loosen screws for the replacement of parts, particularly the dispensing nozzle or cartridge pump, which are usually rusted and/or encrusted with the soap.
  • US-A-2 772 817 discloses a liquid soap dispenser comprising a reservoir clamped to a vertical rear portion of a bracket for mounting on a wall, the container having a hollow downwardly projecting portion of generally cylindrical shape adapted to be connected to a pump mechanism for dispensing soap from the reservoir in discrete doses.
  • FR-A-2 365 997 discloses according to the pre-characterising part of claim 1, a liquid soap dispenser comprising a container having a vertical rear plate for mounting on a wall and having a horizontal base having a bottom wall, two side walls and a front wall, a tank shaped to be supported by the bottom wall and housed within a space defined by the rear plate and the side end front walls, the container having a hollow downwardly projecting portion of generally cylindrical shape adapted to be connected to a pump mechanism for dispensing soap from the tank in discrete doses.
  • An object of the present invention is to provide a liquid soap dispenser of the type referred to and having a simple, efficient valve arrangement comprised of a small number of parts and which can be easily assembled.
  • a further object is to provide a liquid soap dispenser wherein a nozzle is detachably connected to the tank, whereby the nozzle is readily replaceable.
  • a liquid soap dispenser including a container having a vertical rear plate adapted to be mounted on a wall and having a horizontal base having a bottom wall, two side walls and a front wall; a tank shaped to be supported on said bottom wall and housed within a space defined by said rear plate and said side walls and front wall, said tank having a hollow downwardly projecting portion of generally cylindrical shape adapted to be connected to a pump mechanism for dispensing soap from the tank in discrete doses; characterized by the downwardly projecting tank portion having a substantially flat bottom with a central hole therein of a diameter that is small compared to the size of said bottom, and by a flexible, flat diaphragm having a slit therein, said diaphragm, in use, abutting said flat bottom with said central hole being in registry with said slit, so that the bottom of the tank and the slitted diaphragm in combination, cooperate to form a back check valve to prevent reverse flow of soap from the container
  • the liquid soap dispenser comprises, as main structural components, a support bracket 1, a tank 2 and a cover 3.
  • the support bracket 1 is substantially a L-shaped element with a vertical portion or rear plate 10 to be fixed to a wall such as by screws passing through holes 12, or also by adhesive strips (not shown) providing along plate 10.
  • the support bracket 1 has a horizontal portion 11 which comprise a bottom wall 13 with side walls 14 and a front wall 14a for housing the tank 2.
  • Centrally disposed along the bottom wall 13, at right angles with the rear plate 10 and the front wall is a central zone 15 defined by peripheral walls extending upward from the bottom wall 13 at a height lower than side walls 14, and downward at a position near to the front wall 14a.
  • This zone 15 encloses various ribs, ledges, shoulders and holes to form the guides, seats and abutments for the dispensing pump actuating mechanism, as will be hereafter disclosed.
  • the tank 2 can be made conveniently of the same material as the bracket 1, preferably plastics like ABS, and in particular of the transparent type so to allow that the level of liquid in the tank be viewed and checked from the outside.
  • the shape of the tank 2 is such as to conform to the rear plate and side walls of bracket 1, wherein it is housed and rests by gravity, supported by the bottom wall 13.
  • the tank 2 has a downward projecting portion 20, of circular cross-section, adapted to pass through an associated hole 30 forming the seat therefor in the bottom wall 13 of the above-mentioned zone 15 which includes downwardly extending walls 16.
  • a cover plate 3, of the same material as the tank 2, is adapted to be snap shut onto the tank, such as by having a recess 31 (Fig. 2) which cooperates with a corresponding hook-shaped member 21 of the tank 2 and an inwardly extending rib 32 to cooperate with a corresponding recess 22 of the tank.
  • the projecting cylindrical portion 20 of the tank 2 is adapted to be connected with a dispensing nozzle 40 having a valve including the diaphragm 44 of the type disclosed in my prior Italian patent application no.22295 A/84.
  • the nozzle 40 and valve 44 are connected to the portion 20 of tank 2 through an internally threaded ring 50.
  • the ring 50 can be readily coupled to the tank portion 20 by means of a bayonet-type fitting, wherein the cylindrical portion 20 has a one-pitch external thread 23 as shown in Fig. 2. Since the upper portion 41 of nozzle 40 is of deformable character, it can be firmly fitted between the projection 20 and the outer ring 50.
  • the cartridge pump of the above-mentioned patent application is formed of three parts, one of which is the nozzle 40, a second one is a membrane or diaphragm 44 with a central slit 45 and the third one is a rigid disc with a central hole, which in this case is conveniently provided by the integral bottom 28 of the cylindrical portion 20 of the tank 2, with a central through hole 46 being coaxial with a slit 45 and the outlet aperture 43 of the nozzle 40.
  • a first embodiment of tank 2 is represented which is adapted to be used in combination with a liquid soap supply cartridge 100, partly illustrated in cross-section and in phantom in Fig. 2 to show its position within tank 2 and in perspective, full line in Fig. 5.
  • the cartridge 100 preferably made of plastics, of the disposable type, will be described more in detail in the following, with reference to Fig. 5.
  • the tank 2 at a position between the cylindrical projection 20 and the rear wall 24, is formed with a tubular mounting 25 C-shaped in horizontal cross-section which extends itself to a certain height h from the bottom of tank 2 and is defined by a number (three in the drawings, referred to as 26, 26a, 26b) of upright ribs also extending from the tank bottom.
  • the ribs 26-26b end at their top portion with inclined, corresponding faces 27, 27a, 27b at a level higher than said height h from the tank bottom.
  • Such ribs 26-26b have the function of reinforcing or stiffening the C-shaped mounting 25 which has cutting edges for piercing the sealed cap 101 of cartridge 100 as it is caused to rest upside down on the support formed by the mounting 25, the ribs 26-26b also serving to guide the cartridge 100 into alignment and then engagement with cutting edges of mounting 25.
  • the open portion or concavity of the C-shaped cross-section of the mounting is positioned facing toward the mouth of the downwardly directed cylindrical recess 20.
  • bracket support 1 comprises, as seen from Figs. 2 and 4, two parallel walls 17, 17a each having a rounded recess 51 for housing the pivot pin 52 of a lever 55 to be operated manually form the outside.
  • Lever 55 cooperates with a sliding piston 56 having a pusher end 58 capable of exerting pressure onto the side wall 42 of the dispensing nozzle 40, as described in the above-mentioned prior patent application, so that a dosed amount of liquid product is delivered from the nozzle outlet 43.
  • piston 56 may have, as shown, an end 54 opposite to end 58 shaped to fit in a correspondingly shaped aperture 53 in the lever body 55.
  • abutment 60 is provided, integral with the bracket 1 structure, against which one end of a spiral spring 59 is urged, having its second end fixed to or biased against a projecting portion 57 of piston end 54.
  • return spring means could be provided between piston 16 and the bracket 1 body, such as a leaf spring integrally formed with the piston as an appendix thereof, being forced against a fixed portion of the dispenser, in particular of the bracket support.
  • Piston 56 is slidably mounted on a horizontal plate 33 underlying and parallel to the bottom wall 13, by means of cooperating guides 61, 61a.
  • Lower plate 33 is connected to the bottom wall 13 through vertical walls 16 and an inclined wall 62 forming a stop for the forward oscillation of lever 55 in order to prevent an excessive pressure of piston 56 onto the nozzle wall 42 when the lever is caused to rotate in the direction of the arrow in Fig. 1 against the resistance of spring 59.
  • the spring means such as compressed spiral spring 59.
  • the lever 52 protrudes outside of the bottom wall 13 through an aperture 18 which in Fig. 4 is represented to be in communication with a lower chamber 34 formed between bottom wall 13 and plate 33 wherein the piston 56 is slidably housed.
  • the cartridge 100 may show e.g. one or more grooves 104 (in number of two and mutually staggered in Fig. 5) which cause it to be suitable for use with correspondingly shaped tanks.
  • the associated tanks 2 shall show a corresponding combination of ribs on their inner walls, such as the one referred to as 47 in Figs. 2, 3 so as only a given type of cartridge can match with and be used in the tank of the dispenser.
  • long slits 29 can be formed along at least one side wall of the tank from the top thereof down which terminate above the height h , thus preventing unauthorized use of the dispenser, because the liquid soap would flow from such slits, should soap be fed directly into the tank without the proper cartridge.
  • the slits 29 can also have the further function of allowing the liquid level in the cartridge 100 to be observed and checked when the cartridge is of transparent material and the tank 2 is opaque.
  • the ribs 26-26b in combination with the slits 29 also prevent the use of unauthorized cartridges with the dispenser 1 because unauthorized (bootleg) cartridges will not fit into proper nesting position between the ribs 26-26b.
  • the tops of the ribs 26-26b are just above the bottom of the slits 29 so that soap from a bootleg cartridge resting on the top of ribs 26-26b will fill to the bottom of the bootleg cartridge, above the bottom of slits 29, and leak out of the dispenser 1.
  • tank 2a would be constructed as illustrated in Fig. 6 wherein tank 2a is shown. Where the details of tank 2a are similar to those of tank 2, the same reference numbers have been used.
  • the C-shaped cartridge closure mounting and cutting means 25 and the associated reinforcing means 26, 26b, 27, 27b are obviously missing and there are no slits 29 on the tank 2a lateral walls.
  • the tank itself can be easily brought away from its position near the wall to which the dispenser is mounted, by simply removing it upward from its support bracket 1 and subsequently arranging the same thereon again with the nozzle 40, integral with the tank 2a, inserted in the hole bar 30 of the base 11.
  • the replacement of the dispensing nozzle 40 in both the embodiments of the tank is accomplished with the coupling ring 50, by making one complete turn only, first in the unscrewing direction and then by screwing it again onto the new nozzle.
  • the nozzles 40 are changed manually, without the need of tools.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (11)

1. Distributeur de savon liquide comprenant un récipient (1) muni d'une plaque verticale dorsale (10), conçue pour être montée sur un mur et comprenant une base horizontale (11) munie d'une paroi de fond (13), de deux parois latérales (14) et d'une paroi frontale (14a); un réservoir (2) façonné afin d'être supporté sur la paroi de fond et logé au sein d'un espace défini par la plaque dorsale (10), les parois latérales (14) et la paroi frontale (14a), le réservoir étant muni d'une portion creuse (20) faisant saillie vers le bas, de forme généralement cylindrique, conçue pour venir se raccorder à un mécanisme de pompe (40, 44, 56) destiné à distribuer du savon à partir du réservoir en doses discrètes; caractérisé en ce que la portion du réservoir faisant saillie vers le bas est munie d'un fond (28) essentiellement plat, dans lequel est pratiqué un trou central (46) dont le diamètre est petit, comparé à la dimension du fond et en ce qu'une fente (45) est pratiquée dans un diaphragme flexible plat (44), ce diaphragme venant, lors de son utilisation, buter contre le fond plat, le trou central se trouvant en concordance avec la fente, tant et si bien que le fond du réservoir et le diaphragme dans lequel est pratiqué une fente coopèrent en combinaison afin de constituer une soupape de non-retour destinée à empêcher un écoulement du savon en sens inverse, depuis le gicleur en direction du réservoir.
2. Distributeur selon la revendication 1, comprenant, en outre, un gicleur déformable (40) se trouvant en communication de fluide avec le réservoir, ainsi qu'un anneau d'accouplement (50) destiné à raccorder mutuellement une portion supérieure (41) du gicleur et la portion cylindrique (20) du réservoir (2) faisant saillie.
3. Distributeur selon la revendication 2, dans lequel l'anneau d'accouplement (50) consiste en un anneau (50) à filet interne, la portion cylindrique (20) étant munie d'un filet externe correspondant.
4. Distributeur selon l'une quelconque des revendications précédentes, dans lequel le réservoir (2) est équipé d'un moyen de montage (25) faisant saillie jusqu'à une hauteur déterminée, à partir de la paroi de fond du réservoir, afin de supporter une cartouche de remplissage (100) venant se placer sur le moyen de montage à la hauteur prédéterminée; le moyen de montage est équipé d'un moyen de perçage (26, 27) destiné à ouvrir la cartouche à un niveau plus élevé que la hauteur prédéterminée, à partir du fond du réservoir, le moyen de montage procurant ainsi une communication entre l'ouverture de la cartouche et le mécanisme de pompe, ainsi que de moyens de renforcement (26a, 26b) destinés au moyen de montage, afin de positionner une cartouche de remplissage par rapport au moyen de perçage.
5. Distributeur selon la revendication 4, dans lequel le moyen de montage (25) a une section transversale horizontale en forme de C, la portion ouverte du moyen de montage en forme de C étant dirigée vers le mécanisme de pompe (40, 55, 56).
6. Distributeur selon la revendication 4 ou 5, dans lequel les moyens de renforcement (26a, 26b) sont constitués de nervures faisant saillie vers le haut à partir du fond du réservoir, une portion de ces nervures étant inclinée en direction du moyen de perçage (26) et les surfaces de sommet (27) de ces nervures étant situées à un niveau plus élevé que le niveau prédéterminé, à partir du fond du réservoir (2).
7. Distributeur selon la revendication 6, dans lequel le réservoir (2) est équipé d'un fente longitudinale (29) pratiquée dans au moins une paroi latérale, cette fente s'étendant depuis le sommet du réservoir jusqu'à un niveau légèrement supérieur à la hauteur prédéterminée.
8. Distributeur selon l'une quelconque des revendications 4 à 7, dans lequel le réservoir (2) est muni d'au moins une nervure (47) destinée à positionner une cartouche façonnée de manière correspondante, au sein de ce dernier.
9. Distributeur selon l'une quelconque des revendications 4 à 8, comprenant, en outre, une cartouche (100) destinée à alimenter le savon liquide au sein du distributeur, cette cartouche étant logée dans le réservoir et étant munie d'un collet de sortie (102) et d'un couvercle d'étanchéité (101) approprié pour être ouvert par le moyen de perçage (26, 27) afin de permettre au liquide de s'écouler jusqu'à la hauteur prédéterminée, à partir du fond du réservoir.
10. Distributeur selon la revendication 9, dans lequel la cartouche a, en général, une forme de parallélépipède, une rainure (104) étant façonnée dans au moins une paroi latérale, dont la forme est complémentaire aux nervures (47).
11. Distributeur selon l'une quelconque des revendications précédentes, dans lequel le mécanisme de pompe (40, 44, 28, 56, 58) comprend un organe d'entraînement (55) et un piston (56) muni d'une extrémité (58), destinés à exercer une action de poussée sur une paroi latérale du gicleur (40), et une extrémité opposée (54) façonnée pour venir s'ajuster au sein d'une ouverture correspondante (53) pratiquée dans l'organe d'entraînement (55), ainsi qu'un moyen de ressort (59) disposé entre le piston (56) et le support (1).
EP19860303696 1985-05-20 1986-05-15 Distributeur de savon liquide Expired EP0209223B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86303696T ATE60209T1 (de) 1985-05-20 1986-05-15 Fluessigseifespender.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT8520792A IT1208551B (it) 1985-05-20 1985-05-20 Erogatore perfezionato di sapone liquido e relativa cartuccia di alimentazione.
IT2079285 1985-05-20
US83241986A 1986-02-24 1986-02-24

Publications (2)

Publication Number Publication Date
EP0209223A1 EP0209223A1 (fr) 1987-01-21
EP0209223B1 true EP0209223B1 (fr) 1991-01-23

Family

ID=26327664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860303696 Expired EP0209223B1 (fr) 1985-05-20 1986-05-15 Distributeur de savon liquide

Country Status (2)

Country Link
EP (1) EP0209223B1 (fr)
CA (1) CA1303566C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7774096B2 (en) 2003-12-31 2010-08-10 Kimberly-Clark Worldwide, Inc. Apparatus for dispensing and identifying product in washrooms
US7783380B2 (en) 2003-12-31 2010-08-24 Kimberly-Clark Worldwide, Inc. System and method for measuring, monitoring and controlling washroom dispensers and products

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930667A (en) * 1989-01-23 1990-06-05 Steiner Company, Inc. Breathing device for soap dispenser
US5927567A (en) * 1996-11-12 1999-07-27 Owens-Illinois Closure Inc. Dispensing closure and method of making
US6360181B1 (en) * 1997-12-23 2002-03-19 Kimberly-Clark Worldwide, Inc. System and method for collecting data on product consumption
US6411920B1 (en) 1999-06-23 2002-06-25 Kimberly-Clark Worldwide, Inc. System and method for collecting data on product consumption
DE10147702A1 (de) * 2001-09-27 2003-04-10 Form Orange Produktentwicklung Befeuchtungsvorrichtung für Toilettenpapier
US7066356B2 (en) 2002-08-15 2006-06-27 Ecolab Inc. Foam soap dispenser for push operation
US20050098580A1 (en) * 2003-11-06 2005-05-12 Ciavarella Nick E. Dispenser container
CA2505812C (fr) * 2004-08-12 2013-04-09 Gotohti.Com Inc. Ressort en cantilever
US7270250B2 (en) 2004-08-30 2007-09-18 Hygiene-Tecknik Inc. Disposable dispenser
CA2477584C (fr) 2004-08-12 2011-07-26 Hygiene-Technik Inc. Distributeur jetable

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772817A (en) * 1952-03-01 1956-12-04 Robert J Jauch Dispensing pumps
FR2151586A5 (fr) * 1971-08-27 1973-04-20 Broilliard Bernard
DE2341259A1 (de) * 1973-08-16 1975-03-06 Gss Ges Fuer Sanitaere Spender Spender fuer fluessigkeiten, insbesondere fuer seife
SE401780B (sv) * 1976-09-30 1978-05-29 Benson Gustav Eric Valdemar Anordning vid apparater for utmatning av vetske- eller kremformiga produkter
FR2520702A1 (fr) * 1982-02-04 1983-08-05 Gournelle Maurice Appareil distributeur de doses d'un produit susceptible de s'ecouler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7774096B2 (en) 2003-12-31 2010-08-10 Kimberly-Clark Worldwide, Inc. Apparatus for dispensing and identifying product in washrooms
US7783380B2 (en) 2003-12-31 2010-08-24 Kimberly-Clark Worldwide, Inc. System and method for measuring, monitoring and controlling washroom dispensers and products
US8160742B2 (en) 2003-12-31 2012-04-17 Kimberly-Clark Worldwide Inc. Apparatus for dispensing and identifying product in washrooms

Also Published As

Publication number Publication date
EP0209223A1 (fr) 1987-01-21
CA1303566C (fr) 1992-06-16

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