EP0232571B1 - Distributeur de savon liquide - Google Patents

Distributeur de savon liquide Download PDF

Info

Publication number
EP0232571B1
EP0232571B1 EP86300742A EP86300742A EP0232571B1 EP 0232571 B1 EP0232571 B1 EP 0232571B1 EP 86300742 A EP86300742 A EP 86300742A EP 86300742 A EP86300742 A EP 86300742A EP 0232571 B1 EP0232571 B1 EP 0232571B1
Authority
EP
European Patent Office
Prior art keywords
nipple
liquid soap
check valve
container
slit
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
EP86300742A
Other languages
German (de)
English (en)
Other versions
EP0232571A1 (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
Application filed by Steiner Co Inc filed Critical Steiner Co Inc
Priority to EP86300742A priority Critical patent/EP0232571B1/fr
Priority to DE8686300742T priority patent/DE3682392D1/de
Priority to AT86300742T priority patent/ATE69146T1/de
Publication of EP0232571A1 publication Critical patent/EP0232571A1/fr
Application granted granted Critical
Publication of EP0232571B1 publication Critical patent/EP0232571B1/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.
  • the dispenser normally dispenses soap in discrete quantities.
  • the invention has particular application to the dispensing of liquid soap containing grit for scouring purposes.
  • One type of soap dispenser is disclosed in my U.S. Patent No. 4,018,363 and includes a flexible pump bowl which receives soap from a container through a diaphragm-type check valve. When the bowl is compressed it closes the check valve and forces the soap in the bowl out through a passageway to a discharge outlet.
  • This structure is relatively complex and is not well suited to the dispensing of soap containing grit, since the grit tends to clog the passageways in the device.
  • U.S. Patent No. 1,326,880 the dispenser ejecting soap directly from a slit in the pump nipple.
  • This dispenser utilizes a custom-made check valve stopper in the soap container outlet, and depends on distortion of the slit in the nipple for dispensing of soap therefrom.
  • the nipple is compressed in the direction of the slit. This has the disadvantage that the slit can be opened permitting soap to drip therefrom before pressure in the nipple has been raised sufficiently to close the check valve.
  • FR-A-1 399 098 discloses a discharge assembly for a liquid soap dispenser which includes bans defining a discharge chamber having an inlet opening with a resilient check valve member, in the form of a bell-shaped nipple, mounted therein and having an outlet opening with a duck bill-shaped valve mounted therein and communicating with the inlet opening through the discharge chamber.
  • a plunger is operable to discharge liquid soap contained in the discharge chamber through the duck-billed valve, and upon restoring, the plunger draws liquid soap into the discharge chamber through the check valve.
  • An important object of the invention is the provision of a liquid soap dispenser including a discharge assembly which is suitable for dispensing liquid soap containing grit.
  • Still another object of the invention is the provision of a liquid soap dispenser including a discharge assembly of the type set forth, which is dependent upon an increase in pressure within a discharge nipple for operation of the discharge assembly.
  • a liquid soap dispenser including: a liquid soap container having an outlet opening; an elongate flexible resilient nipple having a normal expanded condition defining a discharge chamber for accommodating a charge of liquid soap and having a longitudinal axis, said nipple being generally cylindrical in shape and having aproximal end and a distal end with a cylindrical side wall at its proximal end and an annular flange integral with the side wall and extending radially outwardly therefrom, an inlet opening being defined at the proximal end of the nipple and the distal end of said nipple including sloping wall portions which converge to a flat rectangular tip with a normally closed discharge slit formed in said tip and extending diametrically of said nipple and generally perpendicular to said longitudinal axis, means mounting said nipple on said container with said nipple inlet opening disposed in registry with said container outlet opening; check valve means disposed between
  • the container 12 contains liquid soap 20, which is preferably of the type containing particles 21 of grit suspended therein, the grit particles 21 being of a suitable material for providing an abrasive or scouring function, in a known manner.
  • the discharge assembly 30 includes an elongated, generally circularly cylindrical nipple 31 formed of a suitable flexible, resilient material, such as rubber.
  • the nipple 31 has a cylindrical side wall 32 provided at one end thereof with a radially outwardly extending annular flange 33, integral at the outer periphery thereof with an upstanding cylindrical wall 34 which defines an inlet opening into the nipple 31.
  • the cylindrical wall 34 has an annular groove 35 formed on the inner surface thereof adjacent to the flange 33, the wall 34 also being provided with two diametrically opposed and axially extending part-cylindrical notches 35a communicating with the groove 35.
  • the nipple 31 defines a discharge chamber 36 therein, and is provided at its distal end with a pair of radially inwardly sloping concave walls 37 which cooperate to form a flat, narrow duckbill-shaped tip 38 at the distal end of the nipple 31 closing the discharge chamber 36.
  • a valve assembly 40 Seated in the upper end of the nipple 31 is a valve assembly 40, which includes a circular backing disk 41 which is disposed in the groove 35 and has a circular opening 42 formed therethrough centrally thereof. Also disposed in the groove 35 and seated on the annular flange 33 beneath the backing disk 41 is a circular membrane 45 formed of a suitable flexible resilient material impermeable to liquid soap. The membrane 45 has a straight-line slit 46 formed therein extending substantially diametrically thereof in registry with the opening 42 in the backing disk 41. It will be appreciated that the notches 35a in the nipple wall 34 facilitate flexure thereof to permit insertion of the backing disk 41 and the membrane 45 in the groove 35.
  • the discharge assembly 30 In use, when the discharge assembly 30 has been assembled as described above, it is mounted on the container 12. More specifically, the cylindrical wall 34 is fitted over the distal end of the neck 13 in surrounding relationship therewith, until the wall 34 abuts the flange 14, and the end surface 15 of the neck 13 engages the upper surface of the backing disk 41, as illustrated in FIG. 5.
  • the check valve assembly 40 is disposed for controlling the flow of liquid soap between the outlet opening of the container 12 and the inlet opening of the nipple 31.
  • the discharge assembly 30 is assembled on the container 12 when the neck 13 is disposed upwardly. Then, after assembly, the container 12 is inverted and mounted in the housing 11, as indicated in FIG. 1, with the nipple 31 projecting downwardly through and from the bottom of the retainer 17.
  • the nipple 31 is oriented so that the discharge slit 39 is substantially parallel to the opening 18 in the retainer 17, so that the actuator 50 engages the nipple 31 toward one side of the slit 39, rather than at an end thereof.
  • the container 12 may be vented, so that atmospheric pressure plus the weight of the liquid soap 20 on the membrane 45 will force the slit 46 open, allowing liquid soap to flow through the opening 42 in the backing disk 41 and through the slit 46 into the discharge chamber 36 in the nipple 31. This flow will continue until the discharge chamber 36 is filled, at which point the pressure on the opposite sides of the membrane 45 will be equalized, thereby allowing the slit 46 to close in an equilibrium condition, illustrated in FIG. 5.
  • the nipple 31 is so constructed that in this nomal equilibrium condition, the natural resilient bias of the nipple 31 will hold the discharge slit 39 closed against the weight of the charge of liquid soap 20 contained in the discharge chamber 36.
  • a user When it is desired to dispense a charge of liquid soap, a user operates the actuator 50 for compressing the side of the nipple 31 in the direction of the arrows in FIGS. 6, 8 and 9. This compression of the cylindrical wall 32 of the nipple 31 raises the pressure in the discharge chamber 36, so that it holds the slit 46 of the valve assembly 40 closed, and forces the ejection of a charge 55 of liquid soap from the discharge slit 39, as illustrated in FIGS. 6 and 9.
  • the liquid soap 20 is discharged directly from the nipple 31, there are no narrow passages to be clogged by the grit particles 21. Furthermore, the pumping action of the nipple 31 during the discharge operation serves to flush accumulated grit particles 21 from the discharge chamber 36 during each dispensing operation.
  • the nipple 31 is of unitary, one-piece construction, and may be formed by molding.
  • the container 12 may be formed of a suitable plastic, and the housing 11, the retainer 17 and the actuator 50 may be formed of plastic or metal. It will be appreciated that the discharge assembly 30 can readily be assembled and mounted on the container 12 without the use of tools.
  • an improved liquid soap dispenser having a discharge assembly which is of simple and economical construction, and is uniquely suited for the discharge of liquid soap containing grit particles without clogging, and without leakage of soap until the check valve thereof has been closed.

Landscapes

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

Claims (8)

  1. Distributeur de savon liquide (10) comprenant : un récipient (12) destiné au savon liquide et muni d'une ouverture de sortie (16) ; un embout allongé (31) résilient flexible présentant une condition dilatée normale qui définit une chambre d'évacuation (36) dans laquelle vient se loger une charge de savon liquide et qui comprend un axe longitudinal, l'embout étant généralement de forme cylindrique et étant muni d'une extrémité proximale et d'une extrémité distale, une paroi latérale cylindrique (32) étant dispose à son extrémité proximale et un rebord annulaire (33) solidaire à la paroi latérale s'étendant radialement à l'extérieur de cette dernière, une ouverture d'entrée étant définie à l'extrémité proximale de l'embout et l'extrémité distale de l'embout comprenant des portions de paroi pentues (37) qui convergent en une pointe rectangulaire plate (38) munie d'une fente d'évacuation (39) normalement fermée, pratiquée dans la pointe, s'étendant diamétralement par rapport à l'embout et étant généralement perpendiculaire à l'axe longitudinal ; un moyen destiné à monter l'embout sur le récipient, l'ouverture d'entrée de l'embout étant disposée en correspondance avec l'ouverture de sortie du récipient ; un moyen de soupape d'arrêt (40) disposé entre l'ouverture d'entrée et l'ouverture de sortie du récipient ; ainsi qu'un moyen d'entraînement (50) pouvant venir se mettre en contact avec l'embout dans le but d'exercer une compression latérale sur ce dernier, dans une direction essentiellement perpendiculaire à l'axe et à la fente, jusqu'à ce qu'il prenne une condition comprimée, le mouvement de l'embout jusqu'à la condition comprimée de ce dernier élevant la pression régnant dans la chambre d'évacuation dans le but de fermer la soupape d'arrêt et d'éjecter le savon liquide par la fente d'<évacuation, le mouvement de l'embout en retour jusque dans sa condition dilatée abaissant la pression régnant dans la chambre d'évacuation dans le but de fermer la fente d'évacuation et d'ouvrir la soupape d'arrêt pour tirer une nouvelle charge de savon liquide au sein de la chambre d'évacuation ;
    caractérisé en ce que
    le moyen de soupape d'arrêt (40) comprend un diaphragme circulaire plat (45) muni d'une fente de soupape (46) pratiquée en son centre, ainsi qu'un disque de support plat (41) muni d'une ouverture (42) pratiquée en son centre, l'embout comprenant une portion de paroi cylindrique verticale (34) solidaire avec son rebord annulaire en position adjacente à la périphérie externe de ce dernier , qui définit une portion terminale supérieure évidée de l'embout, le moyen de soupape d'arrêt ayant son siège sur le rebord annulaire, le diaphragme s'étendant à travers l'ouverture d'entrée et le support plat recouvrant le diaphragme avec son ouverture est disposée en correspondance avec la fente de soupape, la portion de paroi d'embout définissant un moyen de retenue (35) qui coopère avec le disque de support et le diaphragme à proximité des bords de ce dernier, dans le but de retenir le moyen de soupape d'arrêt dans la portion terminale supérieure évidée de l'embout.
  2. Distributeur de savon liquide selon la revendication 1, dans lequel la portion de paroi cylindrique est munie d'une rainure annulaire (35) pratiquée dans sa surface interne en position adjacente au rebord (33), qui définit le moyen de retenue.
  3. Distributeur de savon liquide selon la revendication 2, dans lequel la portion de paroi cylindrique est munie de deux encoches (35a) partiellement cylindriques, diamétralement opposées et s'étendant en direction axiale, qui communiquent avec la rainure annulaire (35) pour faciliter la flexion de la portion de paroi cylindrique dans le but de permettre l'insertion des bords du disque de support et du diaphragme dans la rainure.
  4. Distributeur de savon liquide selon l'une quelconque des revendications précédentes, comprenant, en outre, un logement (11) dans lequel vient se loger le récipient destiné au savon.
  5. Distributeur de savon liquide selon la revendication 4, dans lequel le logement comprend une portion de sortie (17) dans laquelle vient se loger l'embout.
  6. Distributeur de savon liquide selon la revendication 5, dans lequel la portion de sortie est munie d'une ouverture (18) dans laquelle vient se loger le moyen d'entraînement.
  7. Distributeur de savon liquide selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion de paroi (34) de l'embout à son extrémité proximale est conçue pour s'accoupler au récipient destiné au savon, on venant entourer l'ouverture de sortie.
  8. Distributeur de savon liquide selon la revendication 7, comprenant, en outre, un moyen de fixation (47) destiné à fixer l'extrémité proximale de l'embout au récipient.
EP86300742A 1986-02-04 1986-02-04 Distributeur de savon liquide Expired EP0232571B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP86300742A EP0232571B1 (fr) 1986-02-04 1986-02-04 Distributeur de savon liquide
DE8686300742T DE3682392D1 (de) 1986-02-04 1986-02-04 Spender fuer fluessige seife.
AT86300742T ATE69146T1 (de) 1986-02-04 1986-02-04 Spender fuer fluessige seife.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86300742A EP0232571B1 (fr) 1986-02-04 1986-02-04 Distributeur de savon liquide

Publications (2)

Publication Number Publication Date
EP0232571A1 EP0232571A1 (fr) 1987-08-19
EP0232571B1 true EP0232571B1 (fr) 1991-11-06

Family

ID=8195872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86300742A Expired EP0232571B1 (fr) 1986-02-04 1986-02-04 Distributeur de savon liquide

Country Status (3)

Country Link
EP (1) EP0232571B1 (fr)
AT (1) ATE69146T1 (fr)
DE (1) DE3682392D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9318312U1 (de) * 1993-12-02 1994-01-27 Reidel, Hermann, 63791 Karlstein Verschluß
US6422415B1 (en) 1998-02-06 2002-07-23 Playtex Products, Inc. Leak-proof cup assembly with flow control element
US7066356B2 (en) 2002-08-15 2006-06-27 Ecolab Inc. Foam soap dispenser for push operation

Families Citing this family (7)

* 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
US5082150A (en) * 1990-05-01 1992-01-21 Steiner Company, Inc. Liquid dispensing system including a discharge assembly providing a positive air flow condition
CH683064A5 (fr) * 1990-05-23 1994-01-14 Steiner Co Int Sa Distributeur de produits visqueux, tel que du savon liquide ou pâteux.
US5542670A (en) 1995-07-17 1996-08-06 Playtex Products, Inc. Flow control element and covered drinking cup
US5927567A (en) 1996-11-12 1999-07-27 Owens-Illinois Closure Inc. Dispensing closure and method of making
US7543684B2 (en) * 2005-11-01 2009-06-09 Hiwin Technologies Corp. Oil-conducting apparatus for a linear motion system
SE536371C2 (sv) 2011-12-09 2013-09-17 Asept Int Ab Portioneringsanordning

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1206034A (fr) * 1957-05-08 1960-02-05 Newton Dispositif pour la distribution de savon en pâte ou d'autres matières fluides
FR1399087A (fr) * 1964-06-17 1965-05-14 Roma Ind Pty Ltd Distributeur de produits fluides
IT8222769V0 (it) * 1982-09-02 1982-09-02 Steiner Co Int Sa Struttura di distributore erogatore particolarmente per sapone liquido.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9318312U1 (de) * 1993-12-02 1994-01-27 Reidel, Hermann, 63791 Karlstein Verschluß
US6422415B1 (en) 1998-02-06 2002-07-23 Playtex Products, Inc. Leak-proof cup assembly with flow control element
US7066356B2 (en) 2002-08-15 2006-06-27 Ecolab Inc. Foam soap dispenser for push operation

Also Published As

Publication number Publication date
DE3682392D1 (de) 1991-12-12
EP0232571A1 (fr) 1987-08-19
ATE69146T1 (de) 1991-11-15

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