EP0413373B1 - Vorratsbehälter mit verzögerter Freigabe - Google Patents

Vorratsbehälter mit verzögerter Freigabe Download PDF

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Publication number
EP0413373B1
EP0413373B1 EP90201892A EP90201892A EP0413373B1 EP 0413373 B1 EP0413373 B1 EP 0413373B1 EP 90201892 A EP90201892 A EP 90201892A EP 90201892 A EP90201892 A EP 90201892A EP 0413373 B1 EP0413373 B1 EP 0413373B1
Authority
EP
European Patent Office
Prior art keywords
container
dispensing system
fluid
opening
water
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
EP90201892A
Other languages
English (en)
French (fr)
Other versions
EP0413373A1 (de
Inventor
George Kerr Rennie
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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 Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP0413373A1 publication Critical patent/EP0413373A1/de
Application granted granted Critical
Publication of EP0413373B1 publication Critical patent/EP0413373B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
    • E03D9/031—Devices connected to or dispensing into the flushing pipe
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0056—Lavatory cleansing blocks
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
    • E03D9/032—Devices connected to or dispensing into the bowl

Definitions

  • the present invention relates to a dispenser. More in particular, it relates to a delayed release dispensing system for delivering amounts of a chemical product to a discontinuous stream of a fluid, such as the flush water in a toilet.
  • the chemicals to be delivered by the dispenser may be cleansing agents, sanitizing agents, deodorants and the like.
  • Cistern dosing devices are known.
  • EP-168 075 discloses a passive dosing dispenser for immersion in a still body of water as found in a toilet cistern. The body of water is intermittently replaced. This complex device is particularly adapted to dispense chemicals into a body of water when immersed in the water for an extended period of time.
  • Lavatory rim block dispensing devices are also known, in the art. They may, for instance, comprise a cage-like container with holds and a hook for mounting inside the toilet bowl. Inside the container there is a solid block of sparingly soluble cleansing agent, which is continuously delivered to the flush water for the duration of the flush.
  • the European patent application EP-92,283 (Unilever) describes a cage-like toilet bowl dispenser which is equipped with a siphon system in order to achieve a time delay during the flush cycle.
  • a dispenser functions satisfactorily in that some of the dissolved chemical is delivered at the end of the flush, the efficiency is still low.
  • drip stains are sometimes observed and the cost of manufacturing is high due to the complexity of the siphon system.
  • the international patent application WO-83/01974 discloses a liquid dispensing system for connecting to a flush-water pipe, comprising a connecting pipe and a casing having therein a chamber a float-operated valve, whereby a predetermined amount of a liquid product is dispensed into the chamber when the chamber is flooded with flush water.
  • the delayed release dispensing system of the present invention which comprises a substantially closed container for holding the chemical product and fastening means for mounting the container, said container having an opening both for receiving the steam of a fluid, such as water, and for allowing it to flow out again after a delay, said system being free of any moving parts.
  • the opening is placed above the lowest point of the container, such that some of the fluid is retained inside the container after the stream of the fluid has ceased.
  • one or more further openings in the upper part of the container for equalizing the air pressure in and outside the container when the container is being filled with the fluid.
  • the opening in the container for letting the fluid in and out is non-wetting to the fluid to reduce dripping.
  • the openings may have a hydrophobic finish to reduce dripping.
  • the entire container may be made from an hydrophobic material or an hydrophobic insert may be introduced in the openings. Suitable materials for these purposes include for instance poly tetra-fluoro ethylene (teflon) and silicone resins.
  • the dispensing system according to the invention may be used as a toilet bowl dispensing system.
  • the fluid is water and there are provided fastening means to mount the container inside a toilet bowl. It is preferred when there are also provided means to lock the dispensing system in place under the rim of the toilet bowl.
  • a pin may be provided which fits into a hole under the rim.
  • the dispenser of the invention may further comprise one or more additional compartments which are open to the atmosphere, and which are designed to deliver volatile components such as perfume, from a suitable impregnated pad, a chemical block or gel.
  • the dispensing system according to the invention may also be used inside spray-cleaning machines such as dish washing machines, more in particular in industrial ware washing machines.
  • the dispenser comprises a deflector funnel to direct the water to the opening in the container.
  • the dispensing system may be attached to the end of pipes and taps.
  • it comprises a suitable clamping device and a deflector to direct the fluid into the container.
  • Figure 1 is a cross-section through a toilet bowl dispensing system showing a substantially closed container 1 to be held close to the flush water channel by an appropriate hanger 2 which fits onto the toilet rim.
  • a block of a sparingly soluble chemical 3 suitable for cleaning and sanitizing a toilet bowl.
  • Such blocks are known in the art.
  • the container 1 possesses a hole 4 allowing the flush water which may be taken from the flush stream by a deflector 5 to enter the container 1. Near the end of the flush the pressure of the water flow into the container 1 decreases and is finally reduced to zero. The water inside the container which has been in contact with the block of chemical for some time now flows back through the opening 4 into the toilet bowl.
  • air may escape during the filling phase, thereby allowing more water to enter the container.
  • the air may be perfumed so that a perfume is dispensed during the early stages of flushing the toilet.
  • a sump 7 is formed because the opening 4 is situated above the lowest point of the container 1. A small volume of water is retained in this sump, dissolving some of the chemical to form a solution ready for the next flush.
  • FIG 2 a schematical projection of the device of figure 1 is shown along the line A-A. It shows a wedge-shaped part 5 to direct the flow of flush water to the opening 4 in the container 1.
  • FIG. 3 shows a dispensing system according to the invention for use in a mechanical ware washing machine.
  • the discontinuous stream of water originates from the rotating spray arms or a shower head.
  • the device comprises a substantially closed container 10 holding a sparingly soluble block of chemical 13, which is in this case a caustic detergent composition.
  • the fastening means 12 for mounting the container the device is positioned inside the machine to receive water from the shower head.
  • the container has an opening 14 allowing the spray water caught in the deflector funnel 15 to enter the container rapidly to contact the block of chemical. The entry of the spray water is facilitated by the small opening 16 for equalizing the pressure inside and outside the container.
  • the opening 14 is positioned above the lowest point of the container 10 such that a residual amount of water is left in sump 17 to dissolve some of the chemical for the next spraying cycle.
  • FIG. 4 shows a dispensing system according to the invention for use on an inlet pipe or tap.
  • the discontinuous stream of fluid indicated by the arrows originates from a pipe or tap 21.
  • the device comprises a substantially closed cylindrical container 20 holding one or more blocks of a chemical 23.
  • the device is held at the end of a pipe 21 by means of fastening means 22, such that liquid may flow through the device.
  • the container 20 has an opening 24 allowing liquid to enter until it is filled or until the back pressure stops the entry of further liquid.
  • the liquid is directed towards the opening 24 by the deflection means 25.
  • the opening 24 is positioned above the lowest point of the container such that a residual amount of liquid is left to dissolve some of the chemical 23 for the next time liquid is drawn from the pipe.
  • Figure 5 shows a dispensing system according to the invention for use in the sink which can be found on top of a Japanese-type toilet.
  • the water used to wash the hands is thereby collected in a tank and used subsequently to flush the toilet.
  • the device according to the invention is placed onto the drain of the sink and is thus used to deliver an amount of cleaning or sanitizing agent to the flush water in the toilet.
  • the device shown in Figure 5 comprises a substantially closed container 26 having therein a block of a sparingly soluble chemical 27, suitable for cleaning and sanitizing a toilet bowl. As said before, such blocks are known in the art.
  • the device also possesses fastening means in the form of two hooks 28 to keep it in place onto the drain of the sink.
  • the upwardly curved edge 29 of the device causes the water falling from the tap to enter the container via hole 30.
  • the pressure of the water flow into the container decreases and is finally reduced to zero.
  • the water inside the container which has been in contact with the block of chemical for some time now flows back through the opening 30 onto the edge 29.
  • This edge comprises a number of small holes 31 which allow the water to flow down the drain of the sink into the tank, where it is kept until the toilet is flushed again.

Landscapes

  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Claims (9)

  1. Spendersystem zur Abgabe einer Menge eines chemischen produktes an einen diskontinuierlichen Strom eines Fluids, mit einem im wesentlichen geschlossenen Container (1), zum Halten des chemischen produktes (3), und mit Befestigungsmitteln (2), die den Container an Ort und Stelle halten, wobei der Container eine Öffnung (4), sowohl für das Eindringen des Stromes eines Fluids, als auch, um diesem nach einer Verzögerung wieder das Ausfließen zu gestatten, aufweist, dadurch gekennzeichnet, daß es Einrichtungen (5), zum Leiten des Stroms des Fluids zu der Öffnung im Container aufweist, wobei das System frei von jeglichen beweglichen Teilen ist.
  2. Spendersystem gemäß Anspruch 1, bei welchem die Öffnung (4) oberhalb des tiefsten Punktes des Containers plaziert ist, so daß etwas von dem Fluid innerhalb des Containers zurückbleibt, nachdem der Strom des Fluids geendet hat.
  3. Spendersystem gemäß Anspruch 1 bis 2, wobei sich zum Ausgleich des Luftdruckes innerhalb und außerhalb des Containers, wenn der Container mit dem Fluid gefüllt wird, eine oder mehrere weitere Öffnungen (6) im oberen Teil des Containers befinden.
  4. Spendersystem gemäß Ansprüchen 1 bis 3, wobei die Öffnung (4) in dem Container nicht-benetzend für das Fluid ist, um das Tropfen zu reduzieren.
  5. Spendersystem gemäß Anspruch 4, wobei die Öffnung (4) in dem Container eine hydrophobische Oberfläche besitzt, um das Tropfen eines wässrigen Fluids zu reduzieren.
  6. Spendersystem gemäß den Ansprüchen 1 bis 5 zur Benutzung in einem Toilettenbecken, mit Befestigungsmitteln zum Montieren des Containers innerhalb eines Toilettenbeckens.
  7. Spendersystem gemäß Anspruch 6, weiterhin mit Einrichtungen zum Festhalten des Systems an Ort und Stelle unter dem Rand des Toilettenbeckens.
  8. Spendersystem gemäß den Ansprüchen 1 bis 5 zur Benutzung in Sprühreinigungsmaschinen, mit einem Ablenktrichter (15) zum Leiten des Wassers zu der Öffnung (14) im Container (10).
  9. Spendersystem gemäß den Ansprüchen 1 bis 5 zur Benutzung am Ende von Rohren und Hähnen, mit einem geeigneten Klemmteil (22) und einer Ablenkeinrichtung (25) zur Leitung des Fluids zu der Öffnung (24) im Container (20).
EP90201892A 1989-07-27 1990-07-12 Vorratsbehälter mit verzögerter Freigabe Expired - Lifetime EP0413373B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8917224 1989-07-27
GB898917224A GB8917224D0 (en) 1989-07-27 1989-07-27 Dispensing system

Publications (2)

Publication Number Publication Date
EP0413373A1 EP0413373A1 (de) 1991-02-20
EP0413373B1 true EP0413373B1 (de) 1993-03-03

Family

ID=10660740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90201892A Expired - Lifetime EP0413373B1 (de) 1989-07-27 1990-07-12 Vorratsbehälter mit verzögerter Freigabe

Country Status (9)

Country Link
EP (1) EP0413373B1 (de)
JP (1) JPH0384130A (de)
AU (1) AU631664B2 (de)
BR (1) BR9003646A (de)
CA (1) CA2021741A1 (de)
DE (1) DE69001002T2 (de)
ES (1) ES2041119T3 (de)
GB (1) GB8917224D0 (de)
ZA (1) ZA905853B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9403131B2 (en) 2013-03-14 2016-08-02 Ecolab Usa Inc. Method for dispensing solid products
US9662618B2 (en) 2013-03-14 2017-05-30 Ecolab Usa Inc. Solid product dispenser
US10549245B2 (en) 2014-08-05 2020-02-04 Ecolab Usa Inc. Apparatus and method for dispensing solutions from solid products
US11278922B2 (en) 2018-02-13 2022-03-22 Ecolab Usa Inc. Portable solid product dispenser

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1016052C2 (nl) * 2000-08-30 2002-03-01 Robert Marc Fifield Werkwijze voor het vrijgeven van een actief bestanddeel.
NL1016645C2 (nl) * 2000-11-17 2002-05-22 Sara Lee De Nv Inrichting met een toiletverzorgende werking.
MXPA04004515A (es) * 2001-11-13 2004-09-10 Reckitt Benckiser Inc Mejoras referentes a articulos para limpieza de inodoro.
WO2011070755A1 (ja) 2009-12-07 2011-06-16 パナソニック株式会社 撮像装置及びその制御方法
EP2672696B1 (de) 2011-01-31 2018-06-13 Panasonic Corporation Bildwiederherstellungsvorrichtung, abbildungsvorrichtung und bildwiederherstellungsverfahren
JP5934940B2 (ja) 2012-05-17 2016-06-15 パナソニックＩｐマネジメント株式会社 撮像装置、半導体集積回路および撮像方法
DE102014010620A1 (de) * 2014-07-21 2016-01-21 Mohammad Reza Amiri Vorrichtung zur Anordnung in einem Toilettenbecken zur Abgabe einer Substanz beim Spülvorgang in das Spülwasser einer Toilettenspülung und Toilettenbecken mit einer derartigen Vorrichtung
WO2016011997A1 (de) 2014-07-21 2016-01-28 Amiri Mohammad Reza Vorrichtung zur anordnung in einem toilettenbecken zur abgabe einer substanz beim spülvorgang in das spülwasser einer toilettenspülung und toilettenbecken mit einer derartigen vorrichtung
JP6437264B2 (ja) * 2014-09-30 2018-12-12 アース製薬株式会社 芳香洗浄用容器
JP2020105798A (ja) * 2018-12-27 2020-07-09 小林製薬株式会社 薬剤供給具
JP2020105797A (ja) * 2018-12-27 2020-07-09 小林製薬株式会社 薬剤供給具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168075A1 (de) * 1984-06-08 1986-01-15 The Procter & Gamble Company Passiver Dosierverteiler, bei dem eine intern erzeugte eingeschlossene Gasblase einen Produktabschluss bewirkt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2130467A (en) * 1968-03-18 1969-09-25 Herbert John Byne Means for infusing a cleansing, deodorizing and germicidal substance into the water flowing froma water cistern
GB2098253B (en) * 1981-05-08 1985-07-03 Oreal Disinfecting water closet pans
FR2532346B1 (fr) * 1982-08-26 1985-05-10 Reckitt & Colmann Sa Support perfectionne pour produits nettoyants et/ou colorants, destine a etre accroche sous le rebord d'une cuvette de wc
DE3639686A1 (de) * 1986-11-20 1988-05-26 Henkel Kgaa Wc-koerbchen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168075A1 (de) * 1984-06-08 1986-01-15 The Procter & Gamble Company Passiver Dosierverteiler, bei dem eine intern erzeugte eingeschlossene Gasblase einen Produktabschluss bewirkt

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9403131B2 (en) 2013-03-14 2016-08-02 Ecolab Usa Inc. Method for dispensing solid products
US9662618B2 (en) 2013-03-14 2017-05-30 Ecolab Usa Inc. Solid product dispenser
US10549245B2 (en) 2014-08-05 2020-02-04 Ecolab Usa Inc. Apparatus and method for dispensing solutions from solid products
US11278922B2 (en) 2018-02-13 2022-03-22 Ecolab Usa Inc. Portable solid product dispenser
US11931759B2 (en) 2018-02-13 2024-03-19 Ecolab Usa Inc. Portable solid product dispenser

Also Published As

Publication number Publication date
DE69001002T2 (de) 1993-06-24
GB8917224D0 (en) 1989-09-13
ES2041119T3 (es) 1993-11-01
JPH0384130A (ja) 1991-04-09
CA2021741A1 (en) 1991-01-28
AU631664B2 (en) 1992-12-03
AU5970890A (en) 1991-01-31
EP0413373A1 (de) 1991-02-20
ZA905853B (en) 1992-03-25
DE69001002D1 (de) 1993-04-08
BR9003646A (pt) 1991-08-27

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