EP1243217A1 - Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären - Google Patents

Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären Download PDF

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Publication number
EP1243217A1
EP1243217A1 EP01830175A EP01830175A EP1243217A1 EP 1243217 A1 EP1243217 A1 EP 1243217A1 EP 01830175 A EP01830175 A EP 01830175A EP 01830175 A EP01830175 A EP 01830175A EP 1243217 A1 EP1243217 A1 EP 1243217A1
Authority
EP
European Patent Office
Prior art keywords
dispenser
membrane
pasty detergents
detergents according
detergent
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.)
Granted
Application number
EP01830175A
Other languages
English (en)
French (fr)
Other versions
EP1243217B1 (de
Inventor
Gianandrea Niada
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.)
QTS SRL
Original Assignee
QTS SRL
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 QTS SRL filed Critical QTS SRL
Priority to DK01830175T priority Critical patent/DK1243217T3/da
Priority to AT01830175T priority patent/ATE268559T1/de
Priority to EP01830175A priority patent/EP1243217B1/de
Priority to DE60103730T priority patent/DE60103730T2/de
Priority to SI200130106T priority patent/SI1243217T1/xx
Priority to ES01830175T priority patent/ES2220699T3/es
Publication of EP1243217A1 publication Critical patent/EP1243217A1/de
Application granted granted Critical
Publication of EP1243217B1 publication Critical patent/EP1243217B1/de
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
    • 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

Definitions

  • the present invention relates to apparatuses for dispensing pre-established amounts of pasty detergents, and in particular in the form of gel containing solid abrasive particles such as microspheres.
  • washing pastes are used to wash the hands of users working in contact with substances which are particularly difficult to remove such as grease, oil, dyes, etc.
  • These pastes often available in the form of gel, usually include very aggressive detergent substances and also microscopic abrasive particles to combine the chemical action and the mechanical action so as to achieve a thorough cleaning.
  • Such detergents can not be dispensed by conventional liquid soap dispensers but require specific dispensers.
  • Such dispensers generally consist of a dispensing group provided with an upper socket wherein the container of pasty detergent is placed upside down, and of one or two valves to control the delivery of the detergent.
  • dispensers comprising a single valve are disclosed in US-3.838.985 and in GB-1.261.815, wherein a valve closes through elastic means the delivery nozzle of a body in communication with the detergent container. This valve is opened by elastically deforming said body so as to block the access of the detergent from the container and to generate a pressure sufficient to overcome the elastic biasing of the valve.
  • a type of dispenser with a better tightness is that including a chamber provided with a valve for the inlet of the detergent from the container and an outlet valve to the delivery nozzle.
  • These valves usually are two one-way ball valves arranged so that, by alternately creating in the chamber a pressure and a vacuum through a small pump, the detergent is first sucked into the chamber and then sent out through the nozzle.
  • this type of valve becomes easily clogged when the dispenser is used for pasty products as those mentioned above. This implies a poor reliability and the need for a frequent maintenance to clean the seats of the balls from the deposits of detergent.
  • the object of the present invention is to provide a dispenser which is free from said drawbacks. This object is achieved by means of a dispenser having two one-way valves specifically designed for pasty detergents. Other advantageous features of the present dispenser are disclosed in the dependent claims.
  • the main advantage of the present dispenser is to combine the tightness of the double one-way valve system with the reliability stemming from the use of uncloggable valves.
  • valves are simple and cheap to manufacture and do not require significant modifications of the dispenser with respect to the conventional liquid soap dispenser.
  • the present dispenser is provided with a socket A for introducing the detergent container.
  • This socket A may be made in various known ways, e.g. threaded, bayonet-like, snap-in, etc.
  • the container (indicated by the dashed lines) has a spring-loaded sliding plug B, integral with an internal valve C which closes some openings D formed on top of the container.
  • a peg F located at the center of socket A pushes upward plug B and valve C thus allowing the downflow by gravity of the detergent through openings D.
  • the detergent first passes through a ring of holes E and fills the space between socket A and a first membrane M which is substantially U-shaped and provided with a central bore closed by a conical shutter N, as better shown in the enlarged detail.
  • the membrane M and shutter N together act as inlet valve to the underlying chamber G which communicates through a duct H with a small pump P located on the front of the dispenser.
  • a return spring S is arranged inside pump P, which is operated through a button T whose travel is defined by an adjustable stop R.
  • member R may be mounted on button T in two or more different positions, so as to change the travel of button T and therefore the amount of dispensed detergent.
  • the detergent fills the space between chamber G and a second membrane V which is substantially U-shaped and provided with a central bore closed by a conical shutter Z, as better shown in the enlarged detail.
  • the membrane V and shutter Z together act as a detergent outlet valve, same as the inlet valve.
  • membrane V elastically returns to its rest position of fig.1. During this return movement the top internal edge of the small cylinder U abuts against the conical surface of shutter Z (see detail of fig. 1). In this way the residual film of detergent possibly remaining on shutter Z is cut and a perfect tightness is achieved without risk of dripping. It should be noted that, in order to provide a greater effectiveness to this cutting and sealing action, the central portion of the membrane is thicker so as to have a greater rigidity.
  • membrane M elastically returns to the rest position, with the central portion K abutting against the conical surface of shutter N (see detail of fig.1) thus achieving a perfect seal.
  • both the top shutter N and the bottom shutter Z have a conicity of 50°, while the corresponding bores which they enter have a diameter of 7 mm and 6 mm respectively. Furthermore, the two membranes are obviously different for the presence on the bottom membrane V of nozzle U which extends for 8,5 mm below the horizontal portion W.
  • the two membranes have the same size and thickness, in particular a minimum thickness of 0,4 mm in the horizontal deformation portions L and W, a maximum thickness of 1,3 mm in the central portions K and U abutting on the respective shutters N and Z, and an intermediate thickness of 0,9 mm in the other portions of the membrane.
  • a further difference between the two membranes is the material of which they are preferably made, since they operate in two different environments. In fact while the top membrane M is completely immersed in the detergent and therefore more subject to the chemical aggression, the bottom membrane V is in contact with the detergent only on the inner face and is therefore less subject to aggression.
  • top membrane M a low-density polyethylene (LDPE) which better resists the detergent without excessively swelling.
  • LDPE low-density polyethylene
  • bottom membrane V a thermoplastic elastomer (TPE) with an olefinic base, which having a greater elasticity provides a quick closing of the valve upon delivery without allowing the inlet of air from outside.
  • the materials used for the membranes may be different from those mentioned above, as long as they have adequate properties of elasticity and resistance to the detergent.
EP01830175A 2001-03-14 2001-03-14 Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären Expired - Lifetime EP1243217B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK01830175T DK1243217T3 (da) 2001-03-14 2001-03-14 Dispenser til dejagtige rengöringsmidler, især i form at gel med mikrosfærer
AT01830175T ATE268559T1 (de) 2001-03-14 2001-03-14 Spender für pastenförmige reinigungsmittel, insbesondere gel mit mikrosphären
EP01830175A EP1243217B1 (de) 2001-03-14 2001-03-14 Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären
DE60103730T DE60103730T2 (de) 2001-03-14 2001-03-14 Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären
SI200130106T SI1243217T1 (en) 2001-03-14 2001-03-14 Dispenser for pasty detergents, particularly in the form of gel with microspheres
ES01830175T ES2220699T3 (es) 2001-03-14 2001-03-14 Dispensador de detergentes pastosos, particularmente en forma de gel con microesferas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01830175A EP1243217B1 (de) 2001-03-14 2001-03-14 Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären

Publications (2)

Publication Number Publication Date
EP1243217A1 true EP1243217A1 (de) 2002-09-25
EP1243217B1 EP1243217B1 (de) 2004-06-09

Family

ID=8184443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01830175A Expired - Lifetime EP1243217B1 (de) 2001-03-14 2001-03-14 Spender für pastenförmige Reinigungsmittel, insbesondere Gel mit Mikrosphären

Country Status (6)

Country Link
EP (1) EP1243217B1 (de)
AT (1) ATE268559T1 (de)
DE (1) DE60103730T2 (de)
DK (1) DK1243217T3 (de)
ES (1) ES2220699T3 (de)
SI (1) SI1243217T1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH285438A (fr) * 1948-07-16 1952-09-15 Churchill Henry Winston S Appareil pour distribuer des substances pâteuses et liquides.
CH375860A (de) * 1960-03-01 1964-03-15 Hebeisen Alfred Vorrichtung zur portionenweisen Abgabe von flüssiger Seife
US3211340A (en) * 1963-04-23 1965-10-12 Waldo H Zander Dispensing device
US3288332A (en) * 1964-06-22 1966-11-29 Zyma Sa Liquid product distributor
GB1261815A (en) 1968-09-03 1972-01-26 Handtmann Metallguss Albert Fluid dispenser
US3838985A (en) 1972-08-07 1974-10-01 Texas Instruments Inc Composite three layer metal thermostat
DE2341259A1 (de) * 1973-08-16 1975-03-06 Gss Ges Fuer Sanitaere Spender Spender fuer fluessigkeiten, insbesondere fuer seife
US6092695A (en) * 1992-05-11 2000-07-25 Cytologix Corporation Interchangeable liquid dispensing cartridge pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH285438A (fr) * 1948-07-16 1952-09-15 Churchill Henry Winston S Appareil pour distribuer des substances pâteuses et liquides.
CH375860A (de) * 1960-03-01 1964-03-15 Hebeisen Alfred Vorrichtung zur portionenweisen Abgabe von flüssiger Seife
US3211340A (en) * 1963-04-23 1965-10-12 Waldo H Zander Dispensing device
US3288332A (en) * 1964-06-22 1966-11-29 Zyma Sa Liquid product distributor
GB1261815A (en) 1968-09-03 1972-01-26 Handtmann Metallguss Albert Fluid dispenser
US3838985A (en) 1972-08-07 1974-10-01 Texas Instruments Inc Composite three layer metal thermostat
DE2341259A1 (de) * 1973-08-16 1975-03-06 Gss Ges Fuer Sanitaere Spender Spender fuer fluessigkeiten, insbesondere fuer seife
US6092695A (en) * 1992-05-11 2000-07-25 Cytologix Corporation Interchangeable liquid dispensing cartridge pump

Also Published As

Publication number Publication date
DE60103730T2 (de) 2005-06-16
ES2220699T3 (es) 2004-12-16
DE60103730D1 (de) 2004-07-15
SI1243217T1 (en) 2004-08-31
ATE268559T1 (de) 2004-06-15
EP1243217B1 (de) 2004-06-09
DK1243217T3 (da) 2004-10-18

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