EP1458939B1 - Device for feeding a liquid active ingredient into flushing water - Google Patents

Device for feeding a liquid active ingredient into flushing water Download PDF

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Publication number
EP1458939B1
EP1458939B1 EP02792670.8A EP02792670A EP1458939B1 EP 1458939 B1 EP1458939 B1 EP 1458939B1 EP 02792670 A EP02792670 A EP 02792670A EP 1458939 B1 EP1458939 B1 EP 1458939B1
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EP
European Patent Office
Prior art keywords
trough
active substance
distribution plate
siphon
distributor plate
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Expired - Lifetime
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EP02792670.8A
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German (de)
French (fr)
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EP1458939A1 (en
Inventor
Horst Hautmann
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Henkel Ltd
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Henkel Ltd
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    • 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 invention relates to a device for dispensing a liquid active substance into a rinsing water, in particular into a toilet bowl.
  • a device for dispensing a liquid drug is known.
  • the document De 199 12 217 is considered to be the closest prior art.
  • This device has a container for receiving the liquid active substance, which has a lower-side opening. This opening is associated with a distributor plate which distributes the liquid active substance emerging from the container over the surface thereof.
  • the distributor plate is surrounded by a sub-frame, over which the active ingredient is discharged together with the rinse water. This known device has proven itself well in practice.
  • EP 1 087 067 A describes a dispenser for the delivery of at least one active ingredient, in particular in the form of a cleaning liquid or a cleaning gel in a toilet bowl.
  • the invention has the object to improve the aforementioned device to the effect that dripping of the liquid active ingredient is reliably prevented.
  • the device according to claim 1 comprises a container receiving a liquid agent.
  • a liquid active substance has the advantage over a solid active substance that it is of constant quality and in particular concentration, so that its effect remains constant over the entire period of use. Fragrances, cleaning agents, preferably in the form of surfactants and colorants, in particular blue colorants, are used as active ingredients Question. These drugs must be added to the rinse water in a certain dosage, so that they can develop their optimal effect.
  • the opening of the container is in operative connection with a distributor plate, which distributes the active substance as evenly as possible over the surface thereof.
  • the distributor plate ensures a correct dosage of the active ingredient for the next flushing process.
  • the active ingredient contains a colorant for dyeing the rinse water, in particular, a blue color of the rinse water is desired, which gives the impression of freshness.
  • the distributor plate is surrounded by a trough which extends over the upper edge thereof.
  • the rinsing water is generally washed away on the upper side together with the active substance located on the distributor plate, so that only a part of the rinsing water and of the active ingredient gets into the trough. This is important to prevent rinse water from staying on the distributor plate after the rinse cycle is complete.
  • the flushing water impinging on the distributor plate passes completely into the tub in the tub.
  • the tub itself has at least one drain, so that they can empty again.
  • the drain is equipped with a siphon, which leaves liquid only from a certain level of the tub.
  • the siphon is included preferably designed such that the tub can be almost completely emptied. Dripping rinsing water or active ingredient from the distributor plate into the tub, the siphon holds this liquid back in the tub until the next flushing process. In this meadow, unsightly traces of late dripping in the toilet bowl are reliably prevented.
  • the distributor plate distributes the active substance by means of capillary channels over its surface. This distributes a reproducible amount of the drug as evenly as possible on the distributor plate. For example, it is intended to form the distribution plate of porous material which absorbs the active ingredient like a sponge.
  • the distributor plate at least one opening is provided and can pass through the liquid active ingredient and / or the rinse water in the tub.
  • a plurality of apertures are distributed over the distributor plate to ensure effective drainage of the liquid into the pan.
  • This pipe socket creates a certain suction on the liquid contained in the tub, so that it is emptied to the lowest point of the siphon.
  • the tub can then, for example, by dripping from the distributor plate drug or Fill the water up to the highest point of the siphon without liquid leaking out of the siphon.
  • any known siphon shape can be used.
  • the formation of the siphon according to claim 3 has been proven.
  • the pipe socket dives from below into the tank bottom and is surrounded by a bell.
  • This bell has openings near the floor, so that the liquid contained in the tub can penetrate through the openings in the bell.
  • the openings form the lowest point of the siphon.
  • an outflow of this liquid is only possible when the liquid level in the tub reaches to the upper end of the pipe socket.
  • the liquid level in the tub during the rinsing process will usually extend substantially beyond the upper end of the pipe socket, so that the bell is completely filled with the liquid in this case. This optimally ensures almost complete emptying of the tub.
  • the siphon of the pipe socket can be straight, which considerably simplifies its production, especially in the injection molding process.
  • a further simplification of the production of the device results when, according to claim 4, the bell is integrally formed on the trough. This eliminates assembly steps for installing the bell in the tub. In the production of the tub by injection molding, this may optionally be formed together with the bell without or with only minor undercuts, so that no cores must be drawn during their production.
  • the pipe socket is created in this case as a separate part and held positively on the tub.
  • the opening in the distributor plate is dimensioned such that it can be passed by the active ingredient only in the diluted state by the rinse water.
  • the applied on the distributor plate drug is maintained between the rinses, which is particularly important for fragrance components contained in the active ingredient.
  • an opening through which the active ingredient or the rinse water can get into the tub is advantageous according to claim 8, when formed between the pan and the distributor plate an opening through which the active ingredient or the rinse water can get into the tub.
  • This opening is preferably arranged in the corner region of the distributor plate, so that it can not unfavorably influence the holding action of the trough on the distributor plate.
  • a preferred embodiment of the capillary channels results from claim 9.
  • grooves or slots are formed in the surface of the distributor plate, which form the capillary channels. This has the advantage that the distributor plate can be made of the same material as the trough, which considerably simplifies the production of the entire device.
  • the capillary channels are formed by slots of the distributor plate, then it is advantageous according to claim 10, if these simultaneously form the openings in order to guide the active ingredient or the rinse water into the trough. In this case, can be dispensed with additional openings of the distributor plate.
  • the distributor plate, the tub and / or the siphon are made of a thermoplastic polymer, in particular polyethylene.
  • a thermoplastic polymer in particular polyethylene.
  • Such a polymer can be very easily processed by injection molding, which makes the production of the device overall cost.
  • a device 1 for dispensing the liquid active ingredient 2 in a toilet bowl according to FIG. 1 has a container 3 for receiving the liquid active substance 2.
  • the container 3 is preferably made of a transparent polymer in order to easily check the liquid level of the active substance 2 in the container 3.
  • the container 3 is inserted in a housing 4, which allows a simple replacement of the container 3. This is particularly necessary when the active ingredient 2 is consumed in the container 3.
  • the device 1 also has a distributor plate 5, which receives the liquid active substance 2 and distributed as evenly as possible over the surface thereof.
  • This distributor plate 5 has a number of capillary channels 6, which are formed in the form of grooves 6.
  • the capillary channels 6 could also be formed by the distributor plate 5 completely penetrating slots.
  • the distributor plate 5 is arranged inside a trough 7.
  • This trough 7 can basically be shaped in any desired manner, it only being necessary to ensure that the trough 7 projects beyond an upper edge 8 of the distributor plate 5 on all sides.
  • the distributor plate 5 has a plurality of apertures 9, through which flushing water located on the distributor plate 5, in which the active ingredient 2 is partially dissolved, can flow into the trough 7.
  • the drain 10 is formed by a siphon 11, by which a dripping of the active ingredient 2 is to be prevented from the tub 7 after completion of the rinsing process.
  • This siphon 11 is formed by a pipe socket 12 and a bell 14 which includes its upper end 13.
  • the bell 14 is integrally formed on the trough 7 in order to simplify their production.
  • openings 16 Between the bell 14 and the tub bottom 15 are openings 16 which allow the liquid contained in the tub 7 to penetrate into the space inside the bell 14. These Openings 16 are arranged at the level of the trough bottom 15 and they form the lowest point of the siphon 11. This ensures that the trough 7 can be completely emptied via the siphon 11.
  • the upper end 13 of the pipe socket 12 forms the highest point of the siphon, which must overcome the leaking from the tub 7 liquid.
  • the pipe socket 12 extends beyond the lower end 17 of the siphon 11 addition, so that when emptying the tub 7 on the liquid contained therein, a force is exerted, which lifts them to over the upper end 13 of the pipe socket 12.
  • the tub 7 is emptied after flushing not only up to the top 13 of the pipe socket 12, but up to the height of the openings 16 of the bell 14 and thus to the tub bottom 15.
  • a ring 18 is formed, which comprises a neck 19 of the container 3.
  • the connection between the ring 18 and the neck 19 is designed such that between the two air may occur to Substance 2 removed from the container 3 is to be replaced, but the rinsing water is kept away from the container 3. In this way it is prevented that the active ingredient 2 in the container 3 is diluted by entering rinse water.
  • a mandrel 20 is formed, which breaks a closure 21 of the container 3 along a predetermined breaking point.
  • the closure 21 in this case has a density which is less than the density of the active ingredient 2, so that it floats and the formed opening 22 of the container 3 can no longer hinder.
  • the distributor plate 5 In order to fix the distributor plate 5 on the housing 4, the distributor plate 5 holding clips 23, which engage in corresponding recesses of the housing 4.
  • FIG. 4 shows an alternative embodiment of the device 1 according to FIG. 1 from above, wherein like reference numerals designate like parts.
  • the distributor plate 5 is shaped such that a slot-shaped opening 24 forms in its corner region, through which the active substance 2 or the rinsing water located on the distributor plate 5 can reach the trough 7.
  • the distributor plate 5 has capillary channels 25 in the form of slots 25 through which the active substance 2 passes the distributor plate 5 is distributed. These slots 25 are formed such that the undiluted active substance 2 is held in the slots 25. Once the active ingredient 2 is diluted by rinsing water, however, the capillary action of the slots 25 is no longer sufficient, so that the active ingredient 2 enters the trough 7 from there via the siphon 10 into the toilet bowl.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Description

Vorrichtung zur Abgabe eines flüssigen Wirkstoffs in ein Spülwasser Die Erfindung betrifft eine Vorrichtung zur Abgabe eines flüssigen Wirkstoffs in ein Spülwasser, insbesondere in ein Toilettenbecken. Aus der DE 199 12 217 AI ist eine Vorrichtung zur Abgabe eines flüssigen Wirkstoffs bekannt. Das Dokument De 199 12 217 wird als nächstliegender Stand der Technik angesehen. Diese Vorrichtung weist einen Behälter zur Aufnahme des flüssigen Wirkstoffs auf, der eine unterseitige Öffnung besitzt. Dieser Öffnung ist eine Verteilerplatte zugeordnet, die den aus dem Behälter austretenden flüssigen Wirkstoff über deren Oberfläche verteilt. Die Verteilerplatte ist von einem Teilrahmen umgeben, über den der Wirkstoff zusammen mit dem Spülwasser abgeleitet wird. Diese bekannte Vorrichtung hat sich in der Praxis gut bewährt.The invention relates to a device for dispensing a liquid active substance into a rinsing water, in particular into a toilet bowl. From the DE 199 12 217 AI a device for dispensing a liquid drug is known. The document De 199 12 217 is considered to be the closest prior art. This device has a container for receiving the liquid active substance, which has a lower-side opening. This opening is associated with a distributor plate which distributes the liquid active substance emerging from the container over the surface thereof. The distributor plate is surrounded by a sub-frame, over which the active ingredient is discharged together with the rinse water. This known device has proven itself well in practice.

Allerdings hat sich herausgestellt, dass der Wirkstoff nach dem Spülvorgang in das Toilettenbecken nachtropft, was insbesondere bei färbenden Wirkstoffen zu unansehnlichen Tropfspuren im Toilettenbecken führt.However, it has been found that the active substance drips into the toilet bowl after the rinsing process, which leads to unsightly dripping marks in the toilet bowl, especially in the case of coloring active ingredients.

US 4,168,551 A beschreibt eine Toilettenspülwasserfärbemittelvorrichtung, welche einen Behälter zur Aufnahme eines Spülwasserfärbemittelblocks und mindestens eine Eintrittsöffnung zum Eintritt von Spülwasser und eine Auslassmittel zur Ableitung von verfärbtem Spülwasser aus dem Behälter beinhaltet. US 4,168,551 A describes a Toilettenspülwasserstärbemittelvorrichtung, which includes a container for receiving a Spülwasserstärbemittelblocks and at least one inlet opening for the entry of rinse water and an outlet means for discharging discolored rinse water from the container.

EP 1 087 067 A beschreibt eine Abgabevorrichtung für die Abgabe mindestens eines Wirkstoffes, insbesondere in Form einer Reinigungsflüssigkeit oder eines Reinigungsgels in ein Toilettenbecken. EP 1 087 067 A describes a dispenser for the delivery of at least one active ingredient, in particular in the form of a cleaning liquid or a cleaning gel in a toilet bowl.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs genannte Vorrichtung dahingehend zu verbessern, dass ein Nachtropfen des flüssigen Wirkstoffs zuverlässig verhindert wird.The invention has the object to improve the aforementioned device to the effect that dripping of the liquid active ingredient is reliably prevented.

Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of claim 1.

Die Vorrichtung gemäß Anspruch 1 weist einen Behälter auf, der einen flüssigen Wirkstoff aufnimmt. Ein flüssiger Wirkstoff hat gegenüber einem festen Wirkstoff den Vorteil, dass dieser in gleichbleibender Qualität und insbesondere Konzentration vorliegt, so dass dessen Wirkung für die gesamte Einsatzdauer konstant bleibt. Als Wirkstoffe kommen insbesondere Duftstoffe, Reinigungsmittel vorzugsweise in der Form von Tensiden und Färbemittel, insbesondere Blaufärbemittel in Frage. Diese Wirkstoffe müssen in bestimmter Dosierung dem Spülwasser zugesetzt werden, damit sie ihre optimale Wirkung entfalten können.
Zu diesem Zweck steht die Öffnung des Behälters mit einer Verteilerplatte in Wirkverbindung, die den Wirkstoff über deren Oberfläche möglichst gleichmäßig verteilt. Insbesondere beim Einsatz von Duftstoffen als Wirkstoffkomponente sorgt diese flächige Verteilung des Wirkstoffs für ein effizientes Verdunsten des Duftstoffs, so dass auch zwischen den einzelnen Spülvorgängen eine ausreichende Duftstoffmenge an die Umgebungsluft abgegeben wird. Im übrigen sorgt die Verteilerplatte für eine korrekte Dosierung des Wirkstoffs für den nächsten Spülvorgang. In der Regel enthält der Wirkstoff ein Färbemittel zur Färbung des Spülwassers, wobei insbesondere eine Blaufärbung des Spülwassers erwünscht ist, was den Eindruck von Frische erweckt. Um zu verhindern, dass nach Abschluss des Spülvorgangs der Wirkstoff in das Toilettenbecken nachtropfen kann, was zu unerwünschten Verfärbungen des Toilettenbeckens führen würde, ist die Verteilerplatte von einer Wanne umfasst, die sich über deren Oberkante erstreckt. Während des Spülvorgangs wird in der Regel das Spülwasser zusammen mit dem auf der Verteilerplatte befindlichen Wirkstoff oberseitig weggeschwemmt, so dass nur ein Teil des Spülwassers und des Wirkstoffs in die Wanne gelangt. Dies ist wichtig, um zu verhindern, dass nach Beendigung des Spülvorgangs Spülwasser auf der Verteilerplatte stehen bleibt. Gegebenenfalls ist es auch vorstellbar, dass das auf die Verteilerplatte auftreffende Spülwasser vollständig in die Wannndig in die Wanne gelangt. Die Wanne selbst weist mindestens einen Abfluss auf, damit sich diese wieder entleeren kann. Um ein unerwünschtes Nachtropfen der in der Wanne enthaltenen Flüssigkeit nach Beendigung des Spülvorgangs zu vermeiden, ist der Abfluss mit einem Siphon ausgerüstet, der erst ab einem bestimmten Füllstand der Wanne Flüssigkeit austreten lässt. Der Siphon ist dabei vorzugsweise derart ausgebildet, dass die Wanne nahezu vollständig entleert werden kann. Tropft anschließend von der Verteilerplatte Spülwasser bzw. Wirkstoff in die Wanne, so hält der Siphon diese Flüssigkeit bis zum nächsten Spülvorgang in der Wanne zurück. Auf diese Wiese werden unansehnliche Nachtropfspuren im Toilettenbecken zuverlässig verhindert.The device according to claim 1 comprises a container receiving a liquid agent. A liquid active substance has the advantage over a solid active substance that it is of constant quality and in particular concentration, so that its effect remains constant over the entire period of use. Fragrances, cleaning agents, preferably in the form of surfactants and colorants, in particular blue colorants, are used as active ingredients Question. These drugs must be added to the rinse water in a certain dosage, so that they can develop their optimal effect.
For this purpose, the opening of the container is in operative connection with a distributor plate, which distributes the active substance as evenly as possible over the surface thereof. In particular when fragrances are used as the active ingredient component, this two-dimensional distribution of the active ingredient ensures efficient evaporation of the fragrance, so that a sufficient amount of fragrance is also released into the ambient air between the individual rinsing operations. Moreover, the distributor plate ensures a correct dosage of the active ingredient for the next flushing process. In general, the active ingredient contains a colorant for dyeing the rinse water, in particular, a blue color of the rinse water is desired, which gives the impression of freshness. In order to prevent the active substance from dripping into the toilet bowl after the rinsing process has ended, which would lead to undesired discoloration of the toilet bowl, the distributor plate is surrounded by a trough which extends over the upper edge thereof. During the rinsing process, the rinsing water is generally washed away on the upper side together with the active substance located on the distributor plate, so that only a part of the rinsing water and of the active ingredient gets into the trough. This is important to prevent rinse water from staying on the distributor plate after the rinse cycle is complete. Optionally, it is also conceivable that the flushing water impinging on the distributor plate passes completely into the tub in the tub. The tub itself has at least one drain, so that they can empty again. In order to avoid unwanted dripping of the liquid contained in the tub after completion of the rinsing process, the drain is equipped with a siphon, which leaves liquid only from a certain level of the tub. The siphon is included preferably designed such that the tub can be almost completely emptied. Dripping rinsing water or active ingredient from the distributor plate into the tub, the siphon holds this liquid back in the tub until the next flushing process. In this meadow, unsightly traces of late dripping in the toilet bowl are reliably prevented.

Die Verteilerplatte verteilt den Wirkstoff mittels Kapillarkanälen über deren Oberfläche. Damit verteilt sich eine reproduzierbare Menge des Wirkstoffs möglichst gleichmäßig auf der Verteilerplatte. Beispielsweise ist daran gedacht, die Verteilerplatte aus porösem Material zu bilden, das den Wirkstoff wie ein Schwamm aufsaugt.The distributor plate distributes the active substance by means of capillary channels over its surface. This distributes a reproducible amount of the drug as evenly as possible on the distributor plate. For example, it is intended to form the distribution plate of porous material which absorbs the active ingredient like a sponge.

In der Verteilerplatte ist mindestens eine Durchbrechung vorgesehen und durch die der flüssige Wirkstoff und/oder das Spülwasser in die Wanne gelangen kann. Vorzugsweise werden mehrere Durchbrechungen über die Verteilerplatte verteilt angeordnet, um einen effektiven Abfluss der Flüssigkeit in die Wanne zu gewährleisten.In the distributor plate at least one opening is provided and can pass through the liquid active ingredient and / or the rinse water in the tub. Preferably, a plurality of apertures are distributed over the distributor plate to ensure effective drainage of the liquid into the pan.

Um mit einfachen Mitteln sicherzustellen, dass die Wanne möglichst vollständig entleert wird, ist es gemäß Anspruch 2 vorteilhaft, wenn der Siphon einen Rohrstutzen aufweist, der unterseitig über den Wannenboden übersteht.In order to ensure by simple means that the tub is emptied as completely as possible, it is advantageous according to claim 2, when the siphon has a pipe socket which projects beyond the bottom of the tub bottom side.

Dieser Rohrstutzen erzeugt eine bestimmte Saugkraft auf die in der Wanne enthaltene Flüssigkeit, so dass diese bis zum tiefsten Punkt des Siphons entleert wird. Damit kann sich die Wanne anschließend beispielsweise durch von der Verteilerplatte tropfenden Wirkstoff bzw. Wasser bis zum höchsten Punkt des Siphons füllen, ohne dass Flüssigkeit aus dem Siphon austritt.This pipe socket creates a certain suction on the liquid contained in the tub, so that it is emptied to the lowest point of the siphon. Thus, the tub can then, for example, by dripping from the distributor plate drug or Fill the water up to the highest point of the siphon without liquid leaking out of the siphon.

Grundsätzlich kann jede beliebige bekannte Siphonform genutzt werden. Um die Vorrichtung möglichst einfach und damit preisgünstig herstellen zu können, hat sich die Ausbildung des Siphons gemäß Anspruch 3 bewährt. Bei dieser Ausbildung taucht der Rohrstutzen von unten in den Wannenboden ein und ist von einer Glocke umfasst. Diese Glocke besitzt bodennahe Öffnungen, so dass die in der Wanne enthaltene Flüssigkeit durch die Öffnungen in die Glocke eindringen kann. Die Öffnungen bilden dabei den tiefsten Punkt des Siphons. Ein Abfluss dieser Flüssigkeit ist jedoch erst dann möglich, wenn der Flüssigkeitspegel in der Wanne bis zum oberen Ende des Rohrstutzens reicht.In principle, any known siphon shape can be used. In order to make the device as simple as possible and therefore inexpensive, the formation of the siphon according to claim 3 has been proven. In this embodiment, the pipe socket dives from below into the tank bottom and is surrounded by a bell. This bell has openings near the floor, so that the liquid contained in the tub can penetrate through the openings in the bell. The openings form the lowest point of the siphon. However, an outflow of this liquid is only possible when the liquid level in the tub reaches to the upper end of the pipe socket.

Da das Spülwasser schwallartig ankommt, wird der Flüssigkeitspegel in der Wanne während des Spülvorgangs in der Regel wesentlich über das obere Ende des Rohrstutzens reichen, so dass die Glocke in diesem Fall vollständig mit der Flüssigkeit gefüllt ist. Dies gewährleistet in optimaler Weise eine nahezu vollständige Entleerung der Wan- ne. Bei dieser Ausgestaltung des Siphons kann der Rohrstutzen gerade ausgebildet sein, was dessen Herstellung insbesondere im Spritzgussverfahren erheblich vereinfacht.Since the rinse water arrives in a surge, the liquid level in the tub during the rinsing process will usually extend substantially beyond the upper end of the pipe socket, so that the bell is completely filled with the liquid in this case. This optimally ensures almost complete emptying of the tub. In this embodiment of the siphon of the pipe socket can be straight, which considerably simplifies its production, especially in the injection molding process.

Eine weitere Vereinfachung der Herstellung der Vorrichtung ergibt sich, wenn gemäß Anspruch 4 die Glocke einstückig an die Wanne angeformt ist. Damit entfallen Mon- tageschritte zum Einbau der Glocke in die Wanne. Bei der Herstellung der Wanne im Spritzgussverfahren kann diese zusammen mit der Glocke gegebenenfalls ohne oder mit nur geringfügigen Hinterschneidungen ausgebildet sein, so dass bei deren Herstellung keinerlei Kerne gezogen werden müssen. Der Rohrstutzen wird in diesem Fall als gesondertes Teil erstellt und formschlüssig an der Wanne gehalten.A further simplification of the production of the device results when, according to claim 4, the bell is integrally formed on the trough. This eliminates assembly steps for installing the bell in the tub. In the production of the tub by injection molding, this may optionally be formed together with the bell without or with only minor undercuts, so that no cores must be drawn during their production. The pipe socket is created in this case as a separate part and held positively on the tub.

Hierzu sind am den Rohrstutzen tragenden Teil und an der Wanne geringfügige Hinterschneidungen erforderlich, die jedoch spritzgusstechnisch unproblematisch sind.For this purpose, slight undercuts are required on the pipe socket-carrying part and on the tub, which, however, are unproblematic injection molding.

Um die Wanne an der Verteilerplatte festzulegen, hat sich gemäß Anspruch 6 eine reibschlüssige Verbindung bewährt. Diese ist besonders einfach herzustellen, zumal keinerlei Hinterschneidungen erforderlich sind. In der Regel wird diese Verbindung durch sich daran ablagernden Wirkstoff zusätzlich verfestigt, so dass sich ohne weitere Maßnahmen eine feste Halterung der Wanne an der Verteilerplatte ergeben.In order to determine the trough on the distributor plate, a frictional connection has proven itself according to claim 6. This is particularly easy to manufacture, especially since no undercuts are required. As a rule, this compound is additionally solidified by the active substance deposited thereon, so that a firm retention of the trough on the distributor plate results without further measures.

Um zu verhindern, dass der Wirkstoff ungehindert in die Wanne abfließen kann, ist es gemäß Anspruch 7 günstig, wenn die Durchbrechung in der Verteilerplatte derart dimensioniert ist, dass sie vom Wirkstoff nur im durch das Spülwasser verdünnten Zustand passiert werden kann. Damit bleibt der auf der Verteilerplatte aufgebrachte Wirkstoff zwischen den Spülvorgängen erhalten, was insbesondere für im Wirkstoff enthaltene Duftstoffkomponenten wichtig ist.In order to prevent that the active ingredient can flow freely into the tub, it is favorable according to claim 7, when the opening in the distributor plate is dimensioned such that it can be passed by the active ingredient only in the diluted state by the rinse water. Thus, the applied on the distributor plate drug is maintained between the rinses, which is particularly important for fragrance components contained in the active ingredient.

Alternativ oder zusätzlich ist es gemäß Anspruch 8 günstig, wenn zwischen der Wanne und der Verteilerplatte eine Öffnung gebildet ist, durch die der Wirkstoff bzw. das Spülwasser in die Wanne gelangen kann. Diese Öffnung ist bevorzugt im Eckbereich der Verteilerplatte angeordnet, so dass diese die Haltewirkung der Wanne an der Verteilerplatte nicht ungünstig beeinflussen kann.Alternatively or additionally, it is advantageous according to claim 8, when formed between the pan and the distributor plate an opening through which the active ingredient or the rinse water can get into the tub. This opening is preferably arranged in the corner region of the distributor plate, so that it can not unfavorably influence the holding action of the trough on the distributor plate.

Eine bevorzugte Ausbildung der Kapillarkanäle ergibt sich aus Anspruch 9. Dabei sind in die Oberfläche der Verteilerplatte Nuten bzw. Schlitze eingeformt, die die Kapillarkanäle bilden. Dies hat den Vorteil, dass die Verteilerplatte aus dem gleichen Material wie die Wanne gefertigt werden kann, was die Herstellung der gesamten Vorrichtung erheblich vereinfacht.A preferred embodiment of the capillary channels results from claim 9. In this case, grooves or slots are formed in the surface of the distributor plate, which form the capillary channels. This has the advantage that the distributor plate can be made of the same material as the trough, which considerably simplifies the production of the entire device.

Sind die Kapillarkanäle durch Schlitze der Verteilerplatte gebildet, so ist es gemäß Anspruch 10 günstig, wenn diese gleichzeitig die Durchbrechungen bilden, um den Wirkstoff bzw. das Spülwasser in die Wanne zu leiten. In diesem Fall kann auf zusätzliche Durchbrechungen der Verteilerplatte verzichtet werden.If the capillary channels are formed by slots of the distributor plate, then it is advantageous according to claim 10, if these simultaneously form the openings in order to guide the active ingredient or the rinse water into the trough. In this case, can be dispensed with additional openings of the distributor plate.

Bei der Ausbildung der Kapillarkanäle in Form von Nuten der Verteilerplatte ist es gemäß Anspruch 11 zweckmäßig, die Durchbrechungen in der Verteilerplatte im Bereich zwischen den Nuten vorzusehen, um ein unkontrolliertes Abfließen des Wirkstoffs in die Wanne zu verhindern.In the formation of the capillary channels in the form of grooves of the distributor plate, it is expedient according to claim 11 to provide the openings in the distributor plate in the region between the grooves in order to prevent an uncontrolled flow of the active ingredient into the trough.

Schließlich ist es gemäß Anspruch 12 vorteilhaft, wenn die Verteilerplatte, die Wanne und/oder der Siphon aus einem thermoplastischen Polymer, insbesondere Polyethylen erstellt sind. Ein derartiger Polymer lässt sich sehr einfach im Spritzgussverfahren verarbeiten, was die Herstellung der Vorrichtung insgesamt kostengünstig macht.Finally, it is advantageous according to claim 12, when the distributor plate, the tub and / or the siphon are made of a thermoplastic polymer, in particular polyethylene. Such a polymer can be very easily processed by injection molding, which makes the production of the device overall cost.

Weitere Vorteile und Merkmale der vorliegenden Erfindung werden in der folgenden detaillierten Beschreibung anhand der dazugehörigen Figuren dargelegt, in denen mehrere Ausführungsbeispiele der vorliegenden Erfindung enthalten sind. Es sollte jedoch verstanden werden, dass die Zeichnung nur dem Zweck der Darstellung der Erfindung dient und nicht den Schutzbereich der Erfindung beschränkt.Further advantages and features of the present invention are set forth in the following detailed description with reference to the accompanying figures, in which several embodiments of the present invention are included. It should be understood, however, that the Drawing is only for the purpose of illustrating the invention and does not limit the scope of the invention.

Es zeigt :

Figur 1
eine räumliche Darstellung einer Vorrichtung zur Abgabe eines flüssigen Wirkstoffs,
Figur 2
eine Schnittdarstellung durch die Vorrichtung gemäß Figur 1.
Figur 3
eine vergrößerte Detailansicht der Schnittdarstellung gemäß Figur 2 und
Figur 4
eine Ansicht einer alternativen Ausführungsform einer Vorrichtung von oben.
It shows :
FIG. 1
a spatial representation of a device for dispensing a liquid active ingredient,
FIG. 2
a sectional view through the device according to FIG. 1 ,
FIG. 3
an enlarged detail view of the sectional view according to FIG. 2 and
FIG. 4
a view of an alternative embodiment of a device from above.

Eine Vorrichtung 1 zur Abgabe des flüssigen Wirkstoffs 2 in ein Toilettenbecken gemäß Figur 1 weist einen Behälter 3 zur Aufnahme des flüssigen Wirkstoffs 2 auf. Der Behälter 3 besteht vorzugsweise aus einem transparenten Polymer, um den Flüssigkeitsstand des Wirkstoffs 2 im Behälter 3 leicht überprüfen zu können. Der Behälter 3 ist in einem Gehäuse 4 eingesteckt, das ein einfaches Auswechseln des Behälters 3 ermöglicht. Dies ist insbesondere dann erforderlich, wenn der Wirkstoff 2 im Behälter 3 verbraucht ist.A device 1 for dispensing the liquid active ingredient 2 in a toilet bowl according to FIG. 1 has a container 3 for receiving the liquid active substance 2. The container 3 is preferably made of a transparent polymer in order to easily check the liquid level of the active substance 2 in the container 3. The container 3 is inserted in a housing 4, which allows a simple replacement of the container 3. This is particularly necessary when the active ingredient 2 is consumed in the container 3.

Die Vorrichtung 1 weist außerdem eine Verteilerplatte 5 auf, die den flüssigen Wirkstoff 2 aufnimmt und über deren Oberfläche möglichst gleichmäßig verteilt. Diese Verteilerplatte 5 besitzt eine Reihe von Kapillarkanälen 6, die in Form von Nuten 6 ausgebildet sind. Alternativ
könnten die Kapillarkanäle 6 auch von die Verteilerplatte 5 vollständig durchsetzenden Schlitzen gebildet sein.The device 1 also has a distributor plate 5, which receives the liquid active substance 2 and distributed as evenly as possible over the surface thereof. This distributor plate 5 has a number of capillary channels 6, which are formed in the form of grooves 6. alternative
the capillary channels 6 could also be formed by the distributor plate 5 completely penetrating slots.

Um zu verhindern, daß auf der Verteilerplatte 5 befindlicher flüssiger Wirkstoff 2 bzw. Spülwasser nach dem Spülvorgang in das Toilettenbecken tropfen kann, ist die Verteilerplatte 5 innerhalb einer Wanne 7 angeordnet. Diese Wanne 7 kann grundsätzlich in beliebiger Weise geformt sein, wobei lediglich sichergestellt sein muß, daß die Wanne 7 eine Oberkante 8 der Verteilerplatte 5 allseitig überragt. Zusätzlich weist die Verteilerplatte 5 mehrere Durchbrechungen 9 auf, durch die auf der Verteilerplatte 5 befindliches Spülwasser, in dem teilweise der Wirkstoff 2 gelöst ist, in die Wanne 7 abfließen kann.In order to prevent liquid active substance 2 or rinse water present on the distributor plate 5 from dripping into the toilet bowl after the rinsing process, the distributor plate 5 is arranged inside a trough 7. This trough 7 can basically be shaped in any desired manner, it only being necessary to ensure that the trough 7 projects beyond an upper edge 8 of the distributor plate 5 on all sides. In addition, the distributor plate 5 has a plurality of apertures 9, through which flushing water located on the distributor plate 5, in which the active ingredient 2 is partially dissolved, can flow into the trough 7.

Um zu verhindern, daß die Wanne 7 durch ständige Aufnahme von Spülwasser und Wirkstoff 2 überläuft, ist diese mit einem Abfluß 10 versehen.In order to prevent the tub 7 overflows by constant intake of rinse water and active ingredient 2, this is provided with a drain 10.

Die weitere Beschreibung der Vorrichtung 1 erfolgt anhand der Schnittdarstellungen gemäß den Figuren 2 und 3. Der Abfluß 10 wird von einem Siphon 11 gebildet, durch den ein Nachtropfen des Wirkstoffs 2 aus der Wanne 7 nach Beendigung des Spülvorgangs verhindert werden soll. Dieser Siphon 11 wird von einem Rohrstutzen 12 und einer dessen oberes Ende 13 umfassenden Glocke 14 gebildet. Die Glocke 14 ist dabei einstückig an die Wanne 7 angeformt, um deren Herstellung zu vereinfachen. Zwischen der Glocke 14 und dem Wannenboden 15 befinden sich Öffnungen 16, die es der in der Wanne 7 befindlichen Flüssigkeit ermöglichen, in den Raum innerhalb der Glocke 14 einzudringen. Diese Öffnungen 16 sind in Höhe des Wannenbodens 15 angeordnet und sie bilden den tiefsten Punkt des Siphons 11. Damit ist gewährleistet, daß die Wanne 7 über den Siphon 11 vollständig entleert werden kann.The further description of the device 1 is based on the sectional views according to the FIGS. 2 and 3 , The drain 10 is formed by a siphon 11, by which a dripping of the active ingredient 2 is to be prevented from the tub 7 after completion of the rinsing process. This siphon 11 is formed by a pipe socket 12 and a bell 14 which includes its upper end 13. The bell 14 is integrally formed on the trough 7 in order to simplify their production. Between the bell 14 and the tub bottom 15 are openings 16 which allow the liquid contained in the tub 7 to penetrate into the space inside the bell 14. These Openings 16 are arranged at the level of the trough bottom 15 and they form the lowest point of the siphon 11. This ensures that the trough 7 can be completely emptied via the siphon 11.

Das obere Ende 13 des Rohrstutzens 12 bildet den höchsten Punkt des Siphons, den die aus der Wanne 7 austretende Flüssigkeit überwinden muß. Der Rohrstutzen 12 erstreckt sich dabei über das untere Ende 17 des Siphons 11 hinaus, so daß beim Entleeren der Wanne 7 auf die darin enthaltende Flüssigkeit eine Kraft ausgeübt wird, die diese bis über das obere Ende 13 des Rohrstutzens 12 anhebt. Damit wird die Wanne 7 nach dem Spülvorgang nicht nur bis zur Oberkante 13 des Rohrstutzens 12, sondern bis zur Höhe der Öffnungen 16 der Glocke 14 und damit bis zum Wannenboden 15 entleert.The upper end 13 of the pipe socket 12 forms the highest point of the siphon, which must overcome the leaking from the tub 7 liquid. The pipe socket 12 extends beyond the lower end 17 of the siphon 11 addition, so that when emptying the tub 7 on the liquid contained therein, a force is exerted, which lifts them to over the upper end 13 of the pipe socket 12. Thus, the tub 7 is emptied after flushing not only up to the top 13 of the pipe socket 12, but up to the height of the openings 16 of the bell 14 and thus to the tub bottom 15.

Tropft anschließend weiterer Wirkstoff 2 durch die Durchbrechung 9 in die Wanne 7 hinein, so verhindert der Siphon 11 das Austreten dieser Flüssigkeit aus der Wanne 7. Erst wenn sich der Flüssigkeitspegel über das obere Ende 13 des Rohrstutzens 12 erstreckt, kann die Wanne 7 über den Siphon 11 wieder entleert werden. Ein Nachtropfen des Wirkstoffs 2 in das Toilettenbecken wird daher zwischen den Spülvorgängen zuverlässig verhindert.Then drips further active ingredient 2 through the opening 9 in the trough 7, so the siphon 11 prevents the escape of this liquid from the trough 7. Only when the liquid level extends over the upper end 13 of the pipe socket 12, the trough 7 via the Siphon 11 be emptied again. A dripping of the drug 2 in the toilet bowl is therefore reliably prevented between rinses.

Aus der Figur 2 ist außerdem der Aufbau des Gehäuses 4 zu entnehmen. Am Gehäuse 4 ist ein Ring 18 angeformt, der einen Hals 19 des Behälters 3 umfaßt. Die Verbindung zwischen dem Ring 18 und dem Hals 19 ist dabei derart ausgebildet, daß zwischen beiden zwar Luft eintreten kann, um aus dem Behälter 3 entnommenen Wirkstoff 2 zu ersetzen, das Spülwasser jedoch vom Behälter 3 ferngehalten wird. Auf diese Weise wird verhindert, daß sich der Wirkstoff 2 im Behälter 3 durch eintretendes Spülwasser verdünnt.From the FIG. 2 In addition, the structure of the housing 4 can be seen. On the housing 4, a ring 18 is formed, which comprises a neck 19 of the container 3. The connection between the ring 18 and the neck 19 is designed such that between the two air may occur to Substance 2 removed from the container 3 is to be replaced, but the rinsing water is kept away from the container 3. In this way it is prevented that the active ingredient 2 in the container 3 is diluted by entering rinse water.

An der Verteilerplatte 5 ist ein Dorn 20 angeformt, der einen Verschluß 21 des Behälters 3 entlang einer Sollbruchstelle aufbricht. Auf diese Weise wird der Behälter 3 unmittelbar beim Einsetzen in das Gehäuse 4 geöffnet, wodurch ein versehentliches Austreten des Wirkstoffs 2 vor dem Einsetzen des Behälters 3 in das Gehäuse 4 verhindert wird. Der Verschluß 21 weist dabei eine Dichte auf, die geringer ist als die Dichte des Wirkstoffs 2, so daß dieser aufschwimmt und die gebildete Öffnung 22 des Behälters 3 nicht mehr behindern kann.On the distributor plate 5, a mandrel 20 is formed, which breaks a closure 21 of the container 3 along a predetermined breaking point. In this way, the container 3 is opened immediately upon insertion into the housing 4, whereby accidental leakage of the active substance 2 is prevented before inserting the container 3 in the housing 4. The closure 21 in this case has a density which is less than the density of the active ingredient 2, so that it floats and the formed opening 22 of the container 3 can no longer hinder.

Um die Verteilerplatte 5 am Gehäuse 4 festzulegen, weist die Verteilerplatte 5 Halteclips 23 auf, die in entsprechende Ausnehmungen des Gehäuses 4 eingreifen.In order to fix the distributor plate 5 on the housing 4, the distributor plate 5 holding clips 23, which engage in corresponding recesses of the housing 4.

Figur 4 zeigt eine alternative Ausführungsform der Vorrichtung 1 gemäß Figur 1 von oben, wobei gleiche Bezugszeichen gleiche Teile benennen. Bei dieser Ausführungsform ist die Verteilerplatte 5 derart geformt, daß sich in ihrem Eckbereich eine schlitzförmige Öffnung 24 bildet, durch die der Wirkstoff 2 bzw. das auf der Verteilerplatte 5 befindliche Spülwasser in die Wanne 7 gelangen kann. FIG. 4 shows an alternative embodiment of the device 1 according to FIG. 1 from above, wherein like reference numerals designate like parts. In this embodiment, the distributor plate 5 is shaped such that a slot-shaped opening 24 forms in its corner region, through which the active substance 2 or the rinsing water located on the distributor plate 5 can reach the trough 7.

Außerdem weist die Verteilerplatte 5 Kapillarkanäle 25 in Form von Schlitzen 25 auf, durch die der Wirkstoff 2 entlang der Verteilerplatte 5 verteilt wird. Diese Schlitze 25 sind derart ausgebildet, daß der unverdünnte Wirkstoff 2 in den Schlitzen 25 gehalten wird. Sobald der Wirkstoff 2 durch Spülwasser verdünnt ist, reicht dagegen die Kapillarwirkung der Schlitze 25 nicht mehr aus, so daß der Wirkstoff 2 in die Wanne 7 von dort über den Siphon 10 in das Toilettenbecken gelangt.In addition, the distributor plate 5 has capillary channels 25 in the form of slots 25 through which the active substance 2 passes the distributor plate 5 is distributed. These slots 25 are formed such that the undiluted active substance 2 is held in the slots 25. Once the active ingredient 2 is diluted by rinsing water, however, the capillary action of the slots 25 is no longer sufficient, so that the active ingredient 2 enters the trough 7 from there via the siphon 10 into the toilet bowl.

Da einige Ausführungsbeispiele der vorliegenden Erfindung nicht gezeigt bzw. beschrieben sind, ist zu verstehen, daß eine Vielzahl von Änderungen und Abwandlungen dieser beschriebenen Ausführungsbeispiele möglich ist, ohne den wesentlichen Gedanken und den Schutzbereich der Erfindung zu verlassen, der durch die Ansprüche festgelegt ist.Since some embodiments of the present invention are not shown or described, it is to be understood that a variety of changes and modifications of these described embodiments are possible without departing from the essential spirit and scope of the invention as defined by the claims.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Vorrichtungcontraption
22
flüssiger Wirkstoffliquid active ingredient
33
Behältercontainer
44
Gehäusecasing
55
Verteilerplattedistribution plate
66
Nutgroove
77
Wannetub
88th
Oberkante der VerteilerplatteTop edge of the distributor plate
99
Durchbrechungperforation
1010
Abflußoutflow
1111
Siphonsiphon
1212
Rohrstutzenpipe socket
1313
oberes Ende des RohrstutzensUpper end of the pipe socket
1414
GlockeBell jar
1515
WannenbodenWannenboden
1616
Öffnung der GlockeOpening of the bell
1717
unteres Ende des Siphonslower end of the siphon
1818
Ringring
1919
Halsneck
2020
Dornmandrel
2121
Verschlußshutter
2222
Öffnung des BehältersOpening of the container
2323
Halteclipclip
2424
Öffnungopening
2525
Schlitzslot

Claims (12)

  1. Device for discharging a liquid active substance (2) into a cleaning water, in particular of a toilet bowl, wherein the device (1) has a container (3) which receives the liquid active substance (2) and which is provided with a lower-side opening (22) which is operationally connected to a distribution plate (5) which distributes the liquid active substance (2) and which can be acted on by the cleaning water, wherein the distribution plate (5) distributes the active substance (2) by means of capillary channels (6, 25) over the surface thereof, wherein the distribution plate (5) is enclosed at the bottom by a trough (7) in which at least a portion of the active substance (2) and/or cleaning water can be introduced, wherein the trough (7) extends beyond the upper edge (8) of the distribution plate (5), at least one aperture (9, 24) being provided in the distribution plate (5), through which the liquid active substance and/or the cleaning water can reach the trough (7) and wherein at least one outlet (10) is provided in the trough base (15), which has a siphon (11).
  2. Device according to claim 1, wherein the siphon (11) has a pipe connection piece (12) which protrudes at the lower side over the trough base (15).
  3. Device according to claim 2, wherein the pipe connection piece (12) is introduced from the lower side in the trough base (15) and in order to form the siphon (11) is surrounded by a bell-like member (14) which is provided with openings (16) close to the base.
  4. Device according to claim 3, wherein the bell-like member (14) is formed integrally on the trough (7) and the pipe connection piece (12) is retained as a separate component in a positive-locking manner on the trough (7).
  5. Device according to at least one of claims 1 to 4, wherein the trough (7) is in abutment at least in the part-region against the distribution plate (5) in order to retain the trough (7).
  6. Device according to claim 5, wherein the trough (7) is retained on the distribution plate (5) in a frictionally engaging manner.
  7. Device according to claim 6, wherein the aperture (9, 24) is sized to be so small that the active substance (2) can pass through it only in the state diluted by the cleaning water.
  8. Device according to at least one of claims 1 to 7, wherein between the trough (7) and the distribution plate (5), preferably in the corner region, an opening (24) is formed.
  9. Device according to claim 8, wherein the capillary channels (6, 25) are formed by means of grooves (6) and/or slots (25) which are formed in the surface of the distribution plate (5).
  10. Device according to claim 9, wherein the slots (25) form the apertures in order to direct the active substance (2) and/or the cleaning water into the trough (7).
  11. Device according to claim 9, wherein the apertures (9) are provided in the region between the grooves (6).
  12. Device according to at least one of claims 1 to 11, wherein the distribution plate (5), the trough (7) and/or the siphon (11) are produced from a thermoplastic polymer, in particular polyethylene.
EP02792670.8A 2001-12-20 2002-12-18 Device for feeding a liquid active ingredient into flushing water Expired - Lifetime EP1458939B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10162904A DE10162904B4 (en) 2001-12-20 2001-12-20 Device for dispensing a liquid active ingredient into a rinsing water
DE10162904 2001-12-20
PCT/DE2002/004627 WO2003054311A1 (en) 2001-12-20 2002-12-18 Device for feeding a liquid active ingredient into flushing water

Publications (2)

Publication Number Publication Date
EP1458939A1 EP1458939A1 (en) 2004-09-22
EP1458939B1 true EP1458939B1 (en) 2017-11-22

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EP (1) EP1458939B1 (en)
DE (1) DE10162904B4 (en)
ES (1) ES2657077T3 (en)
WO (1) WO2003054311A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20215129U1 (en) * 2002-10-01 2003-03-13 Skot S A Chemical Products Att Device for dispensing a liquid active substance
WO2006010412A1 (en) * 2004-07-29 2006-02-02 Re.Levi.-S.P.A. Liquid active substance dispenser for w.c. bowl
US8307467B2 (en) 2007-08-23 2012-11-13 The Clorox Company Toilet device with indicator
EP2729580B1 (en) 2011-07-08 2015-09-16 Keygene N.V. Sequence based genotyping based on oligonucleotide ligation assays

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999024679A1 (en) * 1997-11-11 1999-05-20 S.C. Johnson & Son, Inc. Dispensing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU79505A1 (en) * 1978-04-24 1979-11-07 Globol Werk CLOSET FLUSH WATER FAIRER
US4168551A (en) * 1978-04-24 1979-09-25 Globol-Werk Gmbh Toilet flush water colorizer
GB2345494A (en) * 1998-06-15 2000-07-12 Johnson & Son Inc S C Unit for dispensing a liquid into a toilet bowl
DE19912217C2 (en) * 1999-01-12 2002-09-05 Jeyes Deutschland Gmbh Device for dispensing active substances in the flushing water, especially in toilet bowls
DE19945598B4 (en) * 1999-09-23 2008-03-13 Buck- Chemie Gmbh Dispensing device for the delivery of an active substance
MXPA02004481A (en) * 1999-11-02 2004-09-10 Jeyes Group Ltd Liquid delivery devices.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999024679A1 (en) * 1997-11-11 1999-05-20 S.C. Johnson & Son, Inc. Dispensing device

Also Published As

Publication number Publication date
EP1458939A1 (en) 2004-09-22
ES2657077T3 (en) 2018-03-01
WO2003054311A1 (en) 2003-07-03
DE10162904A1 (en) 2003-07-17
DE10162904B4 (en) 2006-05-11

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