EP1287211B1 - Versorgungsflüssigkeitsspender für toilettenbecken - Google Patents

Versorgungsflüssigkeitsspender für toilettenbecken Download PDF

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Publication number
EP1287211B1
EP1287211B1 EP01953988A EP01953988A EP1287211B1 EP 1287211 B1 EP1287211 B1 EP 1287211B1 EP 01953988 A EP01953988 A EP 01953988A EP 01953988 A EP01953988 A EP 01953988A EP 1287211 B1 EP1287211 B1 EP 1287211B1
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EP
European Patent Office
Prior art keywords
tube
liquid
opening
dispenser
water
Prior art date
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Expired - Lifetime
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EP01953988A
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English (en)
French (fr)
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EP1287211A1 (de
Inventor
Jean Klimis
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Eurvest SA
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Eurvest SA
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Priority claimed from FR0006434A external-priority patent/FR2809122A1/fr
Application filed by Eurvest SA filed Critical Eurvest SA
Publication of EP1287211A1 publication Critical patent/EP1287211A1/de
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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 present invention relates to a dispenser for cleaning liquid for toilet bowls, and more specifically to a dispenser for cleaning and scouring liquid for toilets.
  • the dispenser of the invention can be used in toilet bowls and provides a distribution of maintenance liquid.
  • US-A-3 946 448 (El Sioufy) describes a device for disinfection and chemical purification for toilet bowls.
  • the device is fixed on the inner rim of the bowl; it comprises a tank filled with disinfection and purification product.
  • the tank is closed in its lower part by a plug, biased upwards by a spring located in the tank.
  • the cap is also connected to a hinged board, covered with foam.
  • the water flowing down the board causes it to rotate downward and temporarily opens the tank.
  • the product contained in the tank flows on the hinged board, and in the toilet bowl.
  • the disinfection effect is obtained thanks to the product carried by the water in the toilet bowl, and the chemical purification effect is obtained because of the product that is on the board and evaporates little by little.
  • This device essentially has the disadvantage of being made up of a large number of articulated parts, which makes it cost prohibitive.
  • EP-A-0 538 957 discloses a cleaning and purification device, which like the previous clings on the rim of the toilet bowl.
  • the device comprises a reservoir, filled with a cleaning and purification liquid, which is in constant communication with a porous mass lying in the flow path of water from the flush.
  • this document proposes to use a foam introduced into the neck of the tank.
  • the water flows and causes some of the product that soaks the porous mass.
  • the chemical purification effect is obtained by the evaporation of the product impregnating the porous mass, between the flushing of water.
  • This device has the disadvantage that the tank is empty sometimes, even when the toilet is not used. More precisely, the flow is not systematically continuous; the flow stops when the plate is saturated, depending on the viscosity, temperature, and frequency of the flushes.
  • the operation of the device is irregular, and the service life can vary from single to double.
  • the device is not functional before the porous mass is soaked with liquid, which can take a long time; in case of intensive use, the liquid distribution may be insufficient, and the porous mass is washed of any liquid.
  • the control of the liquid flow depends on the viscosity; the dispensed product has a high viscosity, of the order of 3000mPa.s. The use of thickeners to obtain such a viscosity can lead to blockages of the dispenser.
  • EP-A-0 785 315 proposes another device of the same kind.
  • This device proposes to provide in the neck of the reservoir a liquid passage, opening against the porous mass; the liquid passage is provided with an air inlet opening.
  • the viscosity of the product and the size of the passages and openings are determined such that the pressure of the liquid on the porous mass is constant and is independent of the level of liquid in the reservoir.
  • This device provides a complex solution to the problem of the variation of the product flow depending on the level in the tank, but still has the same drawbacks, namely that the tank empties, even when the toilet is not used, and that the operation of the device is irregular.
  • FR-A-2,747,139 proposes a liquid dispensing device.
  • the different variants of this device are complex, and involve a flow of the water of the hunt through various siphons or others. The whole is difficult to build and of low reliability.
  • the device of FR-A-2,747,139 discloses a closed reservoir containing a liquid product surmounted by a volume of air.
  • the tank comprises, in the lower part, an outlet opening which opens into the lower compartment of a second tank.
  • a tube is immersed in a cavity filled with liquid product. One end of the tube opens to the bottom of the cavity and the other end opens into the upper compartment of the second tank.
  • the flush is fired, water enters the upper compartment of the second tank and the air in the tube is compressed.
  • An air bubble then enters the tank and creates a pressure imbalance that pushes a portion of liquid out of the tank through the free opening.
  • GB-A-2 094 846 discloses a liquid dispenser in a toilet bowl comprising a reservoir containing a liquid product and air and having an opening in its lower part. The opening opens into an inverted container containing air. When the flush is drawn, the water level in the bowl increases to surround the container, which increases the pressure in said container and causes the escape of air bubbles from the pressure vessel to the tank.
  • the pressure in the inverted container becomes equal to the atmospheric pressure while the air bubbles added to the tank cause an overpressure that pushes a certain amount of liquid out of the opening.
  • the product dispensing device described in this document is intended to be at least partially immersed in the water of the bowl.
  • EP-A-0 570 326 discloses a liquid dispenser comprising a liquid reservoir provided with a nozzle for delivering product into a cuvette.
  • a detection tube has one end that opens into the tank above the liquid and another end that opens into the liquid of the bowl.
  • the liquid column in the detection tube also decreases by drawing air from the reservoir and air is introduced into the reservoir through the nozzle.
  • the column of liquid in the tube also increases and introduces air into the reservoir, which pushes a certain amount of liquid through the nozzle.
  • GB-A-03485 A.D. discloses a liquid dispenser comprising a liquid reservoir for delivering product into a cuvette.
  • a tube has one end that opens into the tank above the liquid and another end that opens into the bowl.
  • a dispensing tube connects an opening of the tank to the bottom of the bowl with a return avoiding the flow of the liquid without pressure.
  • EP-A-0 878 586 discloses a device for dispensing a liquid agent into a toilet bowl.
  • a container attached to the toilet bowl contains the liquid agent, which is dispensed drop by drop through a dispensing orifice. Because the liquid agent is continuously dispensed drop by drop, the bowl may appear dirty at the level of the liquid flow.
  • a support plate is then provided, positioned under the opening; this plate collects the liquid agent as it flows. When the flush is drawn, the liquid agent accumulated on the support plate is entrained in the bowl. Flushing does not affect the distribution of the liquid, but simply rinses the backing plate.
  • the porous mass is expensive.
  • the porous mass also poses a problem of impregnation, the impregnation time corresponding to the time required for the active ingredient to diffuse outside the porous mass. Frequent hunts can flush the porous mass and limit the spread.
  • the device operates only if the water enters the slot in the porous mass; this limits the operation to a flow of water having a certain force and a certain direction. The device is therefore very sensitive to the conditions of use.
  • the invention provides a solution to these new problems. It offers a liquid product dispenser, without moving parts, which prevents the product from emptying when the flush is not activated. In a preferred embodiment, the dispenser of the invention also avoids upwellings in the tank.
  • the dispenser of the invention can be used in a toilet bowl, for dispensing a liquid product.
  • the invention provides a dispenser for cleaning liquid for a toilet bowl, comprising means for hooking on the bowl, a reservoir of maintenance liquid, the reservoir having in its lower part a free opening of a size which prevents the flow of the maintenance liquid out of the tank in the absence of flush, the dispenser having a tube at one end of which opens the opening, the other end of the tube being open; the other end of the tube is in the vicinity of the wall of the bowl or in the vicinity of a device for guiding the water of a hunt and
  • the opening is of a size that allows the suction of the maintenance liquid by hydrodynamic effect when the water passes from a hunt to neighborhood of the distributor.
  • a circular opening and having a diameter of between 0.2 and 5 mm, preferably of the order of 3 mm.
  • the maintenance liquid has a viscosity of between 10 and 4000 mPa.s.
  • the guiding device may be in the form of a grooved plate and / or a plate with a flange, or a curved plate. He can present an opening.
  • the reservoir is removable.
  • the tank may also have in its lower part a second free opening of a size that prevents the flow of maintenance liquid out of the tank in the absence of flush.
  • the opening and the second opening of the reservoir preferably have different dimensions.
  • a second tube extending in said tube may be provided below one of the two openings. It is also possible that the tube does not surround the second opening.
  • the invention proposes, to control the flow of the maintenance liquid contained in the dispenser according to the use of the toilet, to exploit the hydrodynamic effect caused by flushing. More specifically, the tank is provided in its lower part with an opening, which has a dimension such that it prevents the flow of the cleaning liquid in the absence of external stress.
  • lower part is meant the part of the reservoir in which the liquid is located when the dispenser is in position in the toilet bowl. This opening is free, in that it is not closed by a plug, unlike that proposed in US-A-3 946 448.
  • a tube below this opening, in the direction of use of the dispenser, is provided a tube.
  • the lower end of the tube is open or free, unlike the solution proposed in WO-A-01 02653; this avoids the difficulty of adjustment encountered in the device of this document.
  • the flow of water from the flush near the end of the tube causes the hydrodynamic effect of the suction of a quantity of maintenance liquid out of the tank.
  • the liquid may flow during the flush, or may in some embodiments of the invention, finish flowing after the end of the flush.
  • the cleaning liquid does not flow out of the tank.
  • Product distribution is therefore provided only on demand, as in US Pat. No. 3,946,448, but without moving mechanical elements.
  • the invention is therefore both of a simple structure, of a safe operation, and avoids the disadvantages of the distributors with a permanent contact between the reservoir liquid and a diffusion mass.
  • the dispenser of the invention does not function as that of EP-A-0 538 957 by gravity or capillarity, but by the simple hydrodynamic action of the flow of water during a flush.
  • Figure 1 shows a schematic sectional view of a dispenser according to a first embodiment of the invention
  • 1 denotes the rim of a toilet bowl, on which the distributor 2 is fixed.
  • the dispenser comprises a reservoir 4, the orifice 6 is located downward in the operating position of the dispenser shown in FIG.
  • the dispenser holding means in the bowl in the example, it is a tab 8 of flexible plastic.
  • the tongue In the rest position, the tongue is folded, as shown in broken lines in the figure; it is unfolded by the user to hang the dispenser in the toilet bowl, as shown in solid lines in the figure. It is advantageous that this tongue is adjustable in height, so as to ensure proper positioning of the dispenser, for different shapes of bowls and bowl rims.
  • the dispenser further includes a tube, referred to above as a liquid dispensing tube.
  • This tube 10 is connected by one end 12 to the tank, and its other end 14 or free end is in the vicinity of the path of the water flush, or even in the water path; in the example of the figure, the free end of the tube is in the vicinity of the wall of the bowl; this position ensures that when the flush is actuated, the water flows near the end of it.
  • the distance between the end of the tube and the wall of the bowl is of the order of 3 mm. This distance may more generally be between 0.2 and 6 mm. This distance range ensures when the flow of water a vacuum sufficient to suck the maintenance liquid. It is possible that the water also flows along the tube.
  • the shape of the tube can be any; in the example, a round section has been chosen for the tube; this ensures that the tube has a maximum internal volume, for a given perimeter. This section also ensures that the water flushes from all sides of the tube.
  • the tube has in the embodiment of the figure a bent shape, which allows to bring its free end of the wall of the bowl when the dispenser is in the operating position. This bent shape improves the efficiency of the dispenser.
  • the section of the opening 15 at the end of the tube is chosen so as to prevent the flow of the maintenance liquid in the absence of flow water around the tube; in this way, when the toilet is not used, the maintenance liquid does not flow. This is an advantage over prior art dispensers in which the reservoir is in constant communication with a porous mass.
  • the section of the opening at the end of the tube is chosen so that the maintenance liquid flows when the flush water flows along the tube or near the end of the tube. -this.
  • the section of the opening at the free end of the tube has a diameter of 1.5 mm in the embodiment of Figures 1 and 2, for a maintenance liquid having a viscosity of the order of 500 mPa. s. More generally, the maintenance liquid may have a viscosity between 10 and 4000 mPa.s, and the opening may have a diameter between 0.2 and 15 mm - the latter value corresponding to the embodiment of Figures 3 or 5.
  • the diameter of the opening can be determined experimentally for a given maintenance liquid. Even greater viscosities are possible, especially in the embodiments of FIGS. 3, 5 or 6. Values between 2500 and 5000 mPa.s and even up to 6000 mPa.s are suitable.
  • the diameter of the opening can then be chosen between 1.2 and 1.5 mm.
  • the bent shape of the tube also controls the angle between the tube and the wall of the bowl, and thus the angle ⁇ between the axis of the tube and the vertical.
  • this angle is between 0 and 90 °.
  • the angle ⁇ is 75 °, so that the axis of the end of the tube is substantially perpendicular to the wall of the bowl and the direction of flow of the water.
  • the bent shape of the tube makes it possible to ensure that the axis of study is as perpendicular as possible to the flow of water; this improves the suction effect, with respect to a stream of water whose direction is inclined relative to the perpendicular to the tube.
  • Figure 2 is a view similar to that of Figure 1, but showing the product in the tank; the liquid is in the reservoir, and also in the tube near its free end. As can be seen in the figure, there is no contact between the liquid at the end of the tube and the liquid in the reservoir; this does not affect the flow of liquid out of the dispenser, but avoids any upwelling in the tank, as explained in detail below.
  • the invention avoids a constant flow of the maintenance liquid, and a loss of liquid in the absence of use of the toilet. It is also understood that the invention avoids the upwelling in the tank, and the dilution of the maintenance liquid. Furthermore, the device of the invention is immediately functional, unlike devices with a porous mass: from the first flush, or the second, a specific amount of maintenance liquid is distributed. The amount of maintenance fluid dispensed is independent of how often the dispenser is used.
  • the maintenance liquid may have a lower viscosity than in the distributors of the state of the art. This prevents blocking of the dispenser by thickeners, and improves its reliability.
  • the dispenser of the invention is in fact made of several parts; each of these parts can be made of injection molded plastic.
  • the tank is formed of a first piece.
  • a second part forms the body of the dispenser, and receives the reservoir; the attachment means are fixed on this second part.
  • This second part advantageously has on the side of the tank a beveled opening tube 16, which opens the tank by tearing a closure cap. This allows the dispenser to be delivered with a sealed tank, or to provide sealed spare tanks.
  • the lid of the tank is torn by the opening tube when the tank is inserted into the body of the distributor.
  • the second piece On the side opposite the tank, the second piece has a cylindrical housing in which the tube 10 fits.
  • the dispenser further comprises a fourth piece, which forms a nozzle at the end of the tube 10.
  • a fourth piece at the end of the tube, in which the opening 15 is defined makes it possible to modify the diameter of the opening without changing the structure of the dispenser. None of the parts of the distributor is mobile, and the distributor is simpler in its structure as in its operation than the distributor of the document El Sioufy mentioned above.
  • the dispenser comprises in the vicinity of the end of the tube a hole 18.
  • This hole allows the admission of air into the distributor, after the flow of the liquid under the effect of the depression created by a flush.
  • the hole thus ensures a balancing of the pressure in the tube, between two hunts.
  • the operation of the dispenser is independent of the level of the liquid in the reservoir.
  • the end of the tube is separated from the tank; in the example of Figures 1 and 2, the bottom of the housing which receives the tube thus has an opening 22 Like the opening 15, this second opening 22 in the tube prevents the flow of liquid in the absence of hunting. water.
  • the liquid in the reservoir is retained by the opening 22; and the liquid present in the vicinity of the free end of the tube 10 is not in contact with the liquid of the reservoir.
  • the opening 22 may have a diameter between 0.2 and 10 mm; such a diameter is sufficient to prevent in normal operation a liquid flow from the reservoir to the end of the tube. In this way, a compartment is defined between the free end of the tube 10 and the opening 22.
  • the vacuum in the tube is then compensated by the suction of air through the hole 18.
  • This air suction ensures a separation between the liquid in the tube, in the vicinity of the lower opening of the tube, on the one hand, and the reservoir liquid above the opening 22, on the other hand. This separation avoids any upwelling in the tank by osmosis. In fact, even if the liquid in the tube is partially diluted by water entering the tube, the liquid in the reservoir is not diluted.
  • the ratio between the diameter of the air hole and the opening at the free end of the tube allows a delay in the balancing of the pressures, and thus a suction of the liquid out of the tank, before the balancing of the pressures.
  • the diameter of the air hole is sufficiently small to allow the formation of a vacuum in the reservoir during the evacuation of the liquid. If the diameter of the air hole is too large, it does not form depression in the tube during the distribution of the liquid by flushing, and the new amount of liquid sucked may be insufficient. Conversely, if the diameter of the hole is too small, the amount of air between the liquid of the tube and the liquid of the reservoir decreases, and the separation can no longer be ensured.
  • the hole has a diameter of 0.8 mm, which is suitable for the viscosities of liquid mentioned above. More generally, the hole may have a diameter between 0.2 and 2 mm.
  • the hole is sufficiently far from the free end of the tube for the introduced air to rise in the tube; the fact that during the suction phase, the water of the flush passes over the hole has the advantage of also avoiding too rapid balancing of the pressures.
  • the dispenser has a lug or projecting portion 20 in the vicinity of the opening at the free end of the tube.
  • the lug rests on the wall of the bowl and allows to determine exactly the position of the end of the tube relative to the wall.
  • This lug is particularly useful in the absence of a water guide plate like that of Figures 3 or 5.
  • a length of the lug between 0.2 and 6 mm is suitable. It is advantageous that the lug does not disturb the flow of water, and in particular does not slow it down. As a result, the offset lug can be arranged with respect to the axis of the tube, as shown in FIGS. 1 and 2.
  • Figures 3 to 9 show views of principle of other dispenser embodiments.
  • the dispenser has a reservoir 24, with an opening 26 which opens into a tube 28 of larger diameter than the diameter of the opening.
  • the tube has a constant diameter.
  • the operation of the device is similar to that described above: the flow of the liquid creates a vacuum in the tube, and a quantity of liquid is sucked. The aspirated liquid flows into the tube and is dispensed. In the absence of flushing, the liquid remains in the tank. There is no contact between the water and the reservoir liquid, and the advantages of the invention are ensured.
  • Another explanation of the flow of the liquid is as follows: during flushing, the water rises in the tube, and created by rising in the tube 28 an overpressure.
  • the dispenser is similar to that of Figure 3, but has an opening 30 of smaller diameter at the end of the tube.
  • the tube has no air hole.
  • the operation of the device is similar to that described above: a quantity of liquid present at the free end of the tube is sucked by the depression caused by flushing. This creates a corresponding depression in the reservoir, and the suction of a new quantity of liquid through the opening 26 of the reservoir.
  • Figure 5 shows still an embodiment of the invention.
  • the dispenser is similar to that of Figure 3, and has a reservoir 24 provided in its lower part an opening 26.
  • This has a size - a diameter in the case of a circular opening - which prevents the flow of maintenance liquid in the absence of external stresses.
  • it is possible to use a size of the order of 3 mm, and more generally a size of between 0.2 and 6 mm, depending on the viscosity of the maintenance liquid.
  • the opening opens into a tube 32, with a diameter of the order of 15 mm and a length of about 8 mm.
  • the distributor further has a guide plate 34, which is disposed under the end of the tube 32.
  • the distance between the free end of the tube and the grooved plate is in the embodiment of the order of 1.5 mm. More generally, this distance - or the distance between the plate and the opening in the absence of a tube - can be between 0.2 and 6 mm.
  • the dispenser of FIG. 5 operates as follows: in the absence of flushing, the opening 26 ensures that the liquid does not flow out of the tank.
  • the water flows on the plate 34, which guides it, as symbolized by the arrow of the figure; it also flows around the tube 32, and between the end of the tube and the plate 34, in a direction perpendicular to the axis of the tube.
  • the flow of water causes a depression in the tube, then in the tank, which leads to a few drops of the cleaning fluid from the tank.
  • the flow causes at the same time the rise of an air bubble in the space of the tank above the maintenance liquid. This rise in air allows the flow of the maintenance liquid out of the tank, until the equilibrium pressure is reached in the tank, and the flow of the maintenance liquid ceases.
  • the liquid flows through the opening 26, and falls on the plate 34; some of the liquid is carried away by the water of the hunt; the liquid, however, continues to flow for a period of about 6 s after the end of the flush, for a viscosity of the maintenance liquid of the order of 500 mPa.s; more generally, depending on the viscosity and the diameters of the various holes, this duration can be between 2 and 60 s or more. In any case, at the end of this period, the flow of liquid ceases completely. Maintenance fluid flowing after the end of flushing remains on the plate. This is advantageously grooved, which facilitates the spreading of the maintenance liquid and improves the olfactory effect of the dispenser caused by the evaporation of the maintenance liquid.
  • the proportion of liquid flowing during the flush and after the flush thereof depends on the size of the opening 26, and more specifically, the speed of pressure equalization.
  • the tube 32 in which opens the opening 26 has the following advantages: on the one hand, the tube guides the water, and improves the hydrodynamic suction effect. On the other hand, the tube avoids any contact between the opening 26 and the water, in other words avoids any upwelling in the tank. It is possible to do without the tube, at the risk of reducing the hydrodynamic effect of the hunt, and allow upwelling in the maintenance liquid.
  • the distribution of the liquid can also be explained by the hydrodynamic effect of rising liquid in and around the tube, as in the previous figures.
  • the tube 32 and the plate 34 are in contact with each other on a part of the periphery of the tube; the contact zone, if it exists, is advantageously opposed to the direction of the incident water flow. In the example of the figure, this contact zone would be on the left side of the figure.
  • This contact zone can be made by cutting the end of the tube, bevel or otherwise; it can also provide a projection on the plate 34, partially surrounding the tube or inside a part thereof. In all cases, the end of the tube remains open, so as to avoid the disadvantages of the device WO-A-01 02653. It is also possible for a part of the periphery of the tube to be closer to the guide device - without necessarily the touch - only the rest of the tube.
  • One can also provide an opening at the end of the tube in the peripheral wall of the tube.
  • Figure 6 shows another embodiment of a dispenser according to the invention.
  • the dispenser is similar in principle to that of Figure 5, except for the shape of the plate 36.
  • the plate 36 is shaped to promote the rise of water around the tube. It is therefore placed in the path of the stream of water, and may advantageously have a rim retaining part of the water flow.
  • the flanged plate 36 has a funnel function to raise the water level around the tube. It can be provided openings 38 in the rim. Note that the plate can also be grooved.
  • the operation of the dispenser of FIG. 6 can be explained as follows; if the flow of water is sufficiently strong, the plate guides the water perpendicularly to the tube, which causes a vacuum and the suction of a quantity of liquid, as in the dispenser of FIG. water is too low, the flushing time of the water allows the rise of water around the tube; this rise causes an increase in the static pressure at the bottom of the tube and inside thereof; this pressure causes the introduction of air into the tank, and therefore an overpressure above the active liquid.
  • the static pressure decreases and a quantity of active liquid is sucked out of the tank, until re-equilibration of the pressures and disappearance of the overpressure.
  • the liquid arriving on the plate 36 after the interruption of the water flow it spreads and enhances the deodorizing effect by evaporation, until the next hunt.
  • the liquid previously sucked and found on the plate is driven by the water, so as to distribute the active substances in the water of the bowl.
  • This embodiment is particularly advantageous for the deodorant effect, due to the spreading on the plate of a freshly aspirated maintenance liquid immediately after flushing.
  • This device also has the advantage of operating even with water flows at very low speed.
  • the conformation of the plate 36 can be effected by providing openings 38 on the edges of the plate.
  • the size of the openings is such that the water rises around the tube during the flush, but then flows after the end thereof to cause the suction of the maintenance liquid. This creates a delay effect in the suction of the liquid and ensures that the maintenance liquid is sucked out of the dispenser after the end of the flush.
  • the emptying of the plate ensures that the tube is full of air before the next flush.
  • the tube partially touches the plate 36, on the opposite side to the arrival of the flow of water. It could also be provided that the tube touches the plate 36, on the side of the arrival of the flow of water; this would have the effect of promoting the static operation of the device, by the rise of the water around the tube, and to disadvantage the dynamic operation of the device, by rising water in the tube during the flow of water. As described above, one can simply bring the end of the tube or a portion thereof, without contact.
  • the opening in the plate guide is in the vicinity of the free end of the tube; it does not fulfill the function of diffuser, but only serves to guide the flow of water to ensure the distribution of the maintenance liquid.
  • Figures 7 and 8 show partial sectional views of two further embodiments of a dispenser; these figures only show the portion of the dispenser adjacent to the opening; the two figures are examples with a removable tank, and thus show the beveled tube 40 which allows to pierce the lid of a removable tank.
  • the distributor has two separate openings, which serve respectively to the air inlet and the distribution of maintenance liquid.
  • openings 42 and 44 there are two openings 42 and 44; the opening 42 serves for the entry of air into the reservoir, while the opening 44 serves for the distribution of the maintenance liquid; for this purpose, the tube 46 surrounds the opening 42, while there is no tube below the opening 44; it could also provide a tube below the opening 44, which would extend less than the tube 46. Due to the tube 46, the flow of water causes an air inlet into the tank through the door. Opening 42, which can be explained by one of the phenomena referred to above. On the other hand, the flow of water, in the absence of a tube surrounding the opening 44, or because of the smaller size of this tube, causes no or little air entry through the opening. 44.
  • the liquid distribution is in the example of FIG. 7 simultaneous with the flow: it can begin through the opening 44 as soon as the air begins to enter the reservoir through the opening 42.
  • two openings also makes it possible to independently adjust the dimensions of the two openings.
  • the size of the opening 42 may be smaller than in the examples with a single opening, without impairing the efficiency of the distribution of the liquid. This makes it possible to reliably distribute a lower dose than in the presence of a single opening.
  • the size of the dispensing opening 44 can then be chosen simply so as to prevent the flow of the maintenance liquid out of the tank in the absence of a flush; the size of the opening 42 is chosen according to the quantity of liquid to be dispensed. It is thus possible to dispense a smaller amount of liquid, and to extend the life of the product, for a given reservoir volume.
  • a single tube 48 surrounds the two openings 42 and 44; in order for the air to enter the opening 42 and the product to be distributed through the other opening 44, a second tube 50 is formed under the liquid dispensing opening 44, inside the single tube 48. made of the height of this second tube, there is during the flush a pressure difference at the two openings; this has the effect of promoting the entry of air through the opening 42 and the distribution of maintenance liquid through the opening 44.
  • the guide device is not shown; the guiding devices of the preceding figures can be used, or even dispensed with, depending on the nature of the water flow.
  • distributors may be associated with other elements. It is thus possible to associate with the reservoir a porous mass soaked in perfume, which would be changed at the same time as the reservoir. In particular, it is possible to use a cellulose block soaked in perfume. This solution avoids mixing in liquid perfumes and active substances that could degrade these fragrance essences. Thus, the acids used for their descaling action can degrade the perfumes.
  • a diffusing mass for example porous or grooved.
  • This mass could be in contact with the liquid of the tube, but would be out of the path of the water of the hunt; it could thus be provided on the lower part of the tube an opening through which flow the maintenance liquid.
  • This solution has the advantage of improving the diffusing power of the dispenser, which is suitable for scented active substances.
  • the diffusing mass is in communication with the liquid of the tube, it avoids the disadvantages of the state of the art Sara Lee. It is also possible to provide a diffusing mass which is not in direct contact with the liquid, but which is in the path of the water of the flush.
  • a device for guiding the water towards the free end of the tube 10 such a device, for example in the form of guide plates, or a funnel, to guide the water towards the end of the tube. It is thus possible to increase the amount of water flowing to the tube, with a possible loss of speed.
  • the embodiments of Figures 3, 5 and 6 use a water guide plate, from which the cleaning liquid evaporates between two flushes.
  • a water guide plate from which the cleaning liquid evaporates between two flushes.
  • Such a plate could also be used in the embodiments of FIGS. 1 and 2 or FIG. 4.
  • the plate as explained above, has a guiding function and a function for improving the olfactory effect. It can be used simply for the guiding effect, for example for a maintenance liquid without perfuming function, or simply for the olfactory effect without participating in guiding the water.
  • the tube may be rectilinear as in the embodiment of Figure 5, or bent as in the embodiments of the other figures; again, we can exchange the shapes of tubes, depending on the direction of the water flow; it is advantageous to choose the shape of the tube to maximize the hydrodynamic effect of the water. If the tube is bent, or more generally if it is not vertical, it can be used to induce a delay effect during the suction of the maintenance liquid, the latter flowing on the walls of the tube. In the case of a dispenser immersed in a flush tank, the tube is preferably of a length or more exactly of a height such that it avoids the rise of water until the opening of the distributor tank. This prevents any contact between the maintenance fluid and the water of the tank of the hunt.
  • the dispenser may have a removable reservoir, as already proposed for some distributors of the state of the art.
  • the dispenser is typically provided with means for receiving and holding the dispenser, and a tip or the like for tearing a cap of the reservoir.
  • the term "reservoir” refers to the portion of the dispenser in which the liquid is stored in the operating position of the dispenser.
  • the tank in the sense of the present description is not simply the removable part, but also includes the entire part of the dispenser in which the liquid is located, when the dispenser is in operating position.
  • Embodiments of the invention may have a tube into which the opening opens.
  • the free end of the tube - that is to say the end which is not connected to the reservoir - is itself distant from any guide device or the wall of the toilet. , so as to allow a passage of the water of the hunt. It can also be provided, as explained above, that the tube is only partially open at its lower end.
  • the three phenomena can be combined according to the force and direction of the water flow. This allows the dispenser to operate for different flushing conditions.
  • the distributor is more reliable.
  • the present invention is not limited to the embodiments described by way of example; thus, the dispensing tube could have a shape other than that which is given in the exemplary embodiments, and for example, could have an elongate opening.
  • the word "diameter" in the above may be replaced by the word "size”.
  • the tube of the invention may have a section different from that which is proposed; for example, a square section may be used, the tube being simply formed of four walls which surround the opening provided in the lower part of the tank.
  • the length of the tube may vary from the embodiments, and it may well be smaller than the section.
  • the section of the tube can also cover the entire surface of the dispenser; one could in this case call the tube "skirt" or "compartment".
  • the invention is described in its preferred application to the distribution of maintenance liquid in the toilet bowl; it can also be applied to the distribution of liquid of another nature in an environment with a flow of fluid.

Landscapes

  • 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)
  • Cleaning By Liquid Or Steam (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Devices For Dispensing Beverages (AREA)

Claims (17)

  1. Versorgungsflüssigkeitsspender für Toilettenbecken, umfassend
    - Mittel (8) zur Befestigung am Becken,
    - einen Versorgungsflüssigkeitsbehälter (4, 24), wobei der Behälter in seinem unteren Teil eine freie Öffnung (22, 15, 26, 42) mit einer Größe aufweist, die das Abfließen der Versorgungsflüssigkeit aus dem Behälter bei Nichtvorhandensein einer Wasserspülung verhindert, gekennzeichnet durch ein Rohr (10, 28, 32), an dessen einen Ende die Öffnung mündet, wobei das andere Ende des Rohrs offen ist,
    wobei sich das andere des Rohrs in der Nähe der Wand des Beckens oder in der Nähe einer Führungsvorrichtung (34) des Wassers einer Wasserspülung befindet, und wobei die Öffnung eine derartige Größe aufweist, dass das Ansaugen der Versorgungsflüssigkeit durch hydrodynamische Wirkung beim Durchströmen des Wassers einer Wasserspülung in der Nähe des Spenders möglich ist.
  2. Spender nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung kreisförmig ist und einen Durchmesser zwischen 0,2 und 5 mm, vorzugsweise von ungefähr 3 mm aufweist.
  3. Spender nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Versorgungsflüssigkeit eine Viskosität zwischen 10 und 4000 mPa.s aufweist.
  4. Spender nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Führungsvorrichtung die Form einer gerillten Platte hat.
  5. Spender nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Führungsvorrichtung die Form einer Platte mit einem Rand (36) hat.
  6. Spender nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Führungsvorrichtung die Form einer gekrümmten Platte hat.
  7. Spender nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Führungsvorrichtung eine Öffnung (38) aufweist.
  8. Spender nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Behälter in seinem unteren Teil eine zweite freie Öffnung (44) mit einer Größe aufweist, die das Abfließen der Versorgungsflüssigkeit aus dem Behälter bei Fehlen einer Wasserspülung verhindert.
  9. Spender nach Anspruch 8, dadurch gekennzeichnet, dass die Öffnung (42) und die zweite Öffnung (44) des Behälters unterschiedliche Abmessungen aufweisen.
  10. Spender nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass er ein zweites Rohr (50) umfasst, das sich in dem Rohr unter einer der beiden Öffnungen erstreckt.
  11. Spender nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass das Rohr von der zweiten Öffnung umgeben ist.
  12. Spender nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Behälter abnehmbar ist.
  13. Versorgungsflüssigkeitsspendeverfahren für Toilettenbecken, umfassend die folgenden Schritte:
    - Befestigung eines Versorgungsflüssigkeitsspenders nach einem der Ansprüche 1 bis 12 in dem Toilettenbecken,
    - Ansaugung von Versorgungsflüssigkeit aus dem Behälter durch hydrodynamische Wirkung des Wassers, das in der Nähe des offenen Endes des Rohrs bei einer Wasserspülung geführt wird.
  14. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass der Schritt des Ansaugens umfasst:
    - Hochsteigen des Wassers der Wasserspülung in das Rohr, so dass ein Überdruck im Bereich der Öffnung erzeugt wird und Luft in den Behälter eintritt,
    - Spenden von Flüssigkeit aus dem Behälter.
  15. Verfahren nach Ansprüche 13 oder 14, dadurch gekennzeichnet, dass der Schritt des Ansaugens umfasst:
    - Hochsteigen des Wassers der Wasserspülung um das Rohr, so dass ein Überdruck im Bereich der Öffnung erzeugt wird und Luft in den Behälter eintritt;
    - Spenden von Flüssigkeit aus dem Behälter.
  16. Verfahren nach Anspruch 14 oder 15, dadurch gekennzeichnet, dass der Schritt des Hochsteigens und der Schritt des Wasserspendens gleichzeitig erfolgen.
  17. Verfahren nach Anspruch 14, 15 oder 16, dadurch gekennzeichnet, dass der Schritt des Ansaugens umfasst:
    - Durchströmen des Wassers der Wasserspülung um das Rohr, so dass ein Unterdruck im Bereich der Öffnung erzeugt wird,
    - Spenden von Flüssigkeit aus dem Behälter.
EP01953988A 2000-05-19 2001-05-18 Versorgungsflüssigkeitsspender für toilettenbecken Expired - Lifetime EP1287211B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0006434 2000-05-19
FR0006434A FR2809122A1 (fr) 2000-05-19 2000-05-19 Distributeur de liquide d'entretien pour cuvettes de toilettes
FR0011613 2000-09-12
FR0011613A FR2809123B1 (fr) 2000-05-19 2000-09-12 Distributeur de liquide d'entretien pour toilettes
PCT/EP2001/006875 WO2001088286A1 (fr) 2000-05-19 2001-05-18 Distributeur de liquide d'entretien pour cuvettes de toilettes

Publications (2)

Publication Number Publication Date
EP1287211A1 EP1287211A1 (de) 2003-03-05
EP1287211B1 true EP1287211B1 (de) 2007-02-14

Family

ID=26212412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01953988A Expired - Lifetime EP1287211B1 (de) 2000-05-19 2001-05-18 Versorgungsflüssigkeitsspender für toilettenbecken

Country Status (8)

Country Link
EP (1) EP1287211B1 (de)
AT (1) ATE354000T1 (de)
DE (1) DE60126606T2 (de)
ES (1) ES2281430T3 (de)
FR (1) FR2809123B1 (de)
PL (1) PL198922B1 (de)
PT (1) PT1287211E (de)
WO (1) WO2001088286A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA04011170A (es) 2002-05-10 2005-02-17 Johnson & Son Inc S C Abastecedor de liquido montado en borde de sanitario utilizando un sistema de mechas vertical.
US6651261B1 (en) 2002-07-19 2003-11-25 S. C. Johnson & Son, Inc. Toilet rim mounted toilet cleaner with extension plate
EP1469132B2 (de) 2003-04-15 2014-05-14 The Procter & Gamble Company Unter dem Spülrand eines Toilettenbeckens zu montierende Vorrichtung zur Erzeugung einer Kombination aus permanenter Duftabgabe und eines Duftstosses beim Spülen
GB2416301A (en) * 2004-07-22 2006-01-25 Arran Bawn A bubble maker
DE102006038616A1 (de) * 2006-08-17 2008-02-28 Budich International Gmbh Wirkstoffabgabevorrichtung
FR2914661B1 (fr) 2007-04-03 2009-06-26 Eurvest Distributeur de liquides d'entretien a compartiments multiples pour cuvettes de toilettes
GB0714946D0 (en) * 2007-08-01 2007-09-12 Slade Brian P Dispensing device
FR2964672B1 (fr) 2010-09-15 2014-01-10 Eurvest Distributeur de produit d'entretien pour cuvettes de toilettes
WO2023053426A1 (ja) * 2021-09-30 2023-04-06 小林製薬株式会社 薬液供給装置
WO2023053427A1 (ja) * 2021-09-30 2023-04-06 小林製薬株式会社 薬液供給装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191303485A (en) * 1913-02-11 1913-11-27 Harry William Cox Improvements in Apparatus for Automatically Supplying Fluid Disinfectant or the like to Water Flushing Systems.
GB2094846A (en) * 1981-03-18 1982-09-22 Kuo Kwang Shi A liquid dispenser for use in a flushing cistern
CA2095806A1 (en) * 1992-05-12 1993-11-13 Daniel N. Campau Liquid dispensing apparatus and method
FR2747139A1 (fr) * 1996-04-05 1997-10-10 Robertet Dispensateur de liquide dans une cuvette sanitaire
DE19720393A1 (de) * 1997-05-15 1998-11-19 Buck Chemie Gmbh Reinigungs- und Erfrischungsvorrichtung für Toilettenbecken
GB2338495B (en) * 1998-06-15 2000-08-09 Johnson & Son Inc S C A unit for dispensing a liquid from the rim of a lavatory bowl

Also Published As

Publication number Publication date
ES2281430T3 (es) 2007-10-01
WO2001088286A1 (fr) 2001-11-22
PT1287211E (pt) 2007-05-31
PL351989A1 (en) 2003-07-14
EP1287211A1 (de) 2003-03-05
FR2809123B1 (fr) 2003-01-10
DE60126606D1 (de) 2007-03-29
DE60126606T2 (de) 2007-10-31
FR2809123A1 (fr) 2001-11-23
ATE354000T1 (de) 2007-03-15
PL198922B1 (pl) 2008-07-31

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