Abstract: A toilet bowl cleaning unit disposed to intercept an intermittent flow of water from each flush of the water from a water line to a toilet bowl comprising a mounting device for installation in the flow of water, and a water-soluble compound positioned on the mounting device to intercept a substantial portion of the water as it is flushed from the water line to the toilet bowl, said water-soluble compound thereby being released into the toiled bowl with the water from each flush to inhibit formation of mineral deposits on the surfaces of the toilet bowl and/or drainage pipes.

Abstract: The present invention relates to a cageless lavatory dispensing device comprising a hanger (10) and a compressed solid block (50). The hanger (10) has a hook end (20) for suspending the dispensing device to a sanitary-appliance, and the compressed solid block (50) comprises at least one chemical agent. A process for delivering a treatment composition to a sanitary appliance is also disclosed. Said process comprises the steps of: providing and suspending a cageless lavatory dispensing device within the sanitary appliance; periodically flushing water about the exterior of the compressed block to elute at least one chemical constituent to form a treatment composition with said water, which treatment composition provides cleaning and/or sanitizing and/or disinfecting benefit to the sanitary appliance.

Abstract: A urinal deodorizer set includes a support frame member, which has an upright board, a sloping flow guide board disposed at the top side of the upright board, and first diversion boards perpendicularly extended from the upright board and the sloping flow guide board, a holder frame member, which has an outer upright board, an arched bottom board, two sideboards, and second diversion boards perpendicularly extended from the outer upright boards and respectively abutted against the first diversion boards and defining with the first diversion boards an accommodation space, a deodorizer block accommodated in the accommodation space, and an anchoring member provided at the support frame member for securing the urinal deodorizer set to the vertical wall of a urinal to let flushing water run through the urinal deodorizer in mixing with the deodorizer block to achieve effective cleaning of the vertical and bottom walls of the urinal.

Abstract: The present invention relates to improved toilet dispensing devices for use in conjunction with a sanitary appliance, particularly a toilet.

Abstract: An apparatus to illuminate and air freshen a toilet bowl. More particularly an easily installed apparatus in a saddle type configuration that is placed on the toilet bowl rim and is capable of providing illumination into the bowl and deodorizing functions by emanation of a pleasant fragrance into the air in the bowl or surrounding environment. More particularly an apparatus to illuminate, disinfect and air freshen a toilet bowl in a saddle type configuration that is placed on the toilet bowl rim and is capable of providing illumination into the bowl, disinfecting the toilet bowl water, and deodorizing functions by emanation of a pleasant fragrance into the air in the bowl or surrounding environment.

Abstract: A device for dispensing into the flushing water and/or for mixing with the flushing water detergent and/or sanitizing and/or deodorant products, in toilet bowls or hydraulic and sanitary fixtures in general. The device comprises a supporting structure provided with engagement means which can engage the hydraulic and sanitary fixture in order to support the supporting structure in a region of the fixture that is affected by the flushing water flow. The supporting structure supports rotatably, about a rotation axis, at least one rotating element, which interacts with the flow of flushing water in order to mix detergent and/or sanitizing and/or deodorant products introduced in the flushing water and/or adjust the dispensing of detergent and/or sanitizing and/or deodorant products connected to the supporting structure and/or vary the orientation of the flow of flushing water conveyed onto detergent and/or sanitizing and/or deodorant products connected to the supporting structure.

Abstract: A liquid dispensing unit for a toilet bowl comprises a first container containing a first, liquid formulation, a second container containing a second formulation, which may be a solid tablet. The liquid from container flows onto a delivery surface from where it is washed into the toilet bowl by the flush water. Some flush water also washes over the second formulation to take components into solution and deliver them into the toilet bowl through aperture. The constituents of the two formulations are thus kept separate until they enter the toilet bowl. The second formulation may also be a liquid.

Abstract: A device for dispensing liquids from under the rim of a toilet by way of the toilet flush water is disclosed. The device includes a first arcuate bottle containing a first liquid and a second arcuate bottle containing a second liquid. The dispensing device has an arcuate base for holding the bottles. A wicking device supported by the base conveys liquid from the bottles to dispensing positions contacted with flush water. A hook is provided for suspending the base from a toilet rim. The majority of the upper surfaces of the bottles are not visible from above the rim of the toilet bowl when the dispensing device is installed on the rim, and the wicking device does not extend outward beyond an edge of the base. The bottles are at least partially spaced apart to define a flush water flow path between the bottles and through openings in the base.

Abstract: Devices for dispensing cleaning chemicals from under the rim of a toilet bowl are suspended from either an open bottom toilet bowl rim or a toilet bowl rim with bottom wall holes, using a brush or brush-like suspender. Bristles of the brush flex together to permit the brush to extend into toilet bowl rim holes or an entrance of an open bottom rim. They then expand away from each other to retain the dispenser directly under the rim, in an essentially hidden manner.

Abstract: The dispenser comprises at least two bottles (11) having separate internal chambers, each for containing an active substance (R) in the liquid state and having an exit mouth (12) for the active substance (R), and a support means (20) for supporting said bottles (11) in an inverted position, with their mouth (12) facing downwards, in a position subjected to the action of the flushing water flow, said bottles (11) being separate from the support means (20).

Abstract: An arrangement and associated method for moving and filling multiple storage containers with pressurized contents. The arrangement includes a movable rack for receiving the multiple containers. The rack includes ground-engaging movable members for permitting the rack and the multiple containers received thereon to be moved. The arrangement includes a fixed filling station that has a plurality of dispensing devices. Each dispensing device is engagable with a storage container to provide the pressurized contents to the containers. The rack and the filling station are arranged such that the rack is movable into proximity with the filling station and the rack is movable away from the filling station. The dispensing devices are arranged within the filling station such that each container is in proximity to a respective device when the rack and the filling station are in proximity. Also, an arrangement and method for moving and filling different types of storage containers.

Abstract: The invention provides a dispenser which can be suspended over the rim of a toilet bowl to dispense a dose of active ingredient into the bowl as the bowl is flushed. The dispenser draws active liquid from a reservoir in discrete doses, each does being released by a pumping action which is caused by the action of the flush water on the dispenser. The dispenser includes a flow restrictor which normally prevents egress of the active liquid from the reservoir but which releases a dose under the influence of the pumping action.

Abstract: A dispenser for releasing a treatment substance into a toilet bowl, said dispenser being in the form of an elongate tubular member, adapted to release the substance when the toilet is flushed, and resilient so that in use it is self-supporting under the rim of the bowl. The substance to be released is at least one of a bleach, cleanser, surfactant, perfume or disinfectant.

Abstract: A device for dispenses a liquid active substance into the flushing water of a toilet bowl. The device has a supply container provided with an opening on the underside and is filled with the liquid active substance. This supply container is retained in a carrying body which can be fixed on a rim of the toilet bowl. Retained on the underside of the carrying body is a distributor plate, which can be reached by the flushing water and has capillary channels. These capillary channels are connected to the opening of the supply container via distributor channels. The distributor channels here are branched and are each connected to a plurality of capillary channels.

Abstract: A dispensing device for dispensing fluids into toilet flushing liquids. The device has a supply container for an active-substance fluid, the supply container having an outlet-side border, an outlet for dispensing active-substance fluid onto a plate-shaped distributing element. The distributing element has a region of action over which flushing liquid flows during the flushing and a connection region, in which the outlet opening of the supply container is arranged. The border is spaced a small distance from the surface of the distributing element. On the top of the distributing element, on the point of connection and directed away from the region of action, is a ventilating channel that is open on top and closed on three sides at its inner end.

Abstract: A device with multiple toilet care action is provided with a reservoir for an active substance and suspension means for suspending the device from the rim of a toilet bowl such, that with every flushing operation, an active substance is dispensed to the flushing water in the toilet bowl. The reservoir is provided with at least two compartments for such an active substance. In a particular embodiment, in the compartments, active liquids have been disposed. In this situation, the device is provided with a holder, a bottle with said compartments detachably connected to the holder and a liquid collecting element which, when the device is suspended from the rim of a toilet bowl, is located in the path of the flushing water in the toilet bowl for adding thereto with each flushing operation an active liquid, the contents of the compartments being in constant communication with the liquid collecting element.

Abstract: A device with a toilet care action, provided with a reservoir having at least one compartment for an active liquid, a liquid collecting element which, during use, is in a constant communication with the contents of the at least one compartment, and provided with fastening means for fastening the device to a toilet in such a manner that, in an operative condition of the device, the liquid collecting element is located in a path of toilet flushing water, the liquid collecting element comprising a plate which on a side facing the flushing water stream is provided with liquid collecting means, while the side of the plate facing away from the flushing water stream is also provided with liquid collecting means which are in communication with the liquid collecting means of the side facing the flushing water stream via capillary channels provided in the plate.

Abstract: A device for dispensing a liquid active substance into the flushing water of a toilet bowl has a supply container for containing the liquid active substance. The supply container has an opening in its underside and is retained in a carrying body which can be fixed on a rim of the toilet bowl. The carrying body has sidewalls and a base having an opening. Tabs disposed around a portion of the perimeter of the base opening project upwardly from the base. A distributor plate is secured to the carrying body and has a plug-in spike projecting upwardly through the base opening and into the supply container opening. The plug-in spike has grooves distributed circumferentially around it which are in fluid communication with the liquid active substance. Distributor channels in the distributor plate are in fluid communication with the grooves and with multiple capillary channels via branching locations in the distributor plate.

Abstract: The dispenser comprises a bottle (11) for containing the active substance (R) in the liquid state and provided with an exit mouth (12) for the active substance (R), and a support means (20) for supporting said bottle (11) in an inverted position, in a position subjected to the action of the flushing water flow. The support means (20 comprises, for containing the active substance, a reservoir (21) located in a position subjected to the action of the flushing water flow and arranged to receive the mouth (12) of the bottle, and a member (30) positioned in said containing reservoir (21) to close the mouth (12) of the bottle (11); there is also provided for the active substance at least one passageway associated with said closure member (30) to enable the active substance to pass from the internal chamber of the bottle (11) to the containing reservoir (21). The containing reservoir (21) defines a volume for containing a quantity of active substance which closes said passageway for the active substance.

Abstract: A device for dispensing toilet bowl treatment preparations, such as a cleaning liquid and a liquid containing a dissolved solid cleaner, from under the rim of a toilet bowl by way of the flow of water during a toilet flush is disclosed. The device comprises a bottle that holds a liquid and a base that is suspended from the toilet rim and holds the bottle. The base has a piercing post for opening a closure of the bottle. A wicking device that is supported by the base conveys the liquid to a dispensing position within the flow of flush water. The container holds a dissolvable solid product, and is configured to permit flush water to enter the container. The container has an exit opening that permits a mixture of water and dissolved product to be released from the container into the toilet bowl.

Abstract: A device with a toilet care action, provided with a reservoir having at least one compartment for an active liquid, a liquid collecting element which, during use, is in a constant communication with the contents of the at least one compartment, and provided with fastening means for fastening the device to a toilet in such a manner that, in an operative condition of the device, the liquid collecting element is located in a path of toilet flushing water, the liquid collecting element comprising a plate which on a side facing the flushing water stream is provided with liquid collecting means, while the side of the plate facing away from the flushing water stream is also provided with liquid collecting means which are in communication with the liquid collecting means of the side facing the flushing water stream via capillary channels provided in the plate.

Abstract: A device for dispensing liquids from under the rim of a toilet bowl is disclosed. The dispensing device includes a reservoir for holding a liquid, a wick, and means for suspending the reservoir from the toilet bowl rim. The wick transports the liquid upward from the reservoir to a position at or above an upper surface of the reservoir. During a toilet flush, flush water washes liquid on the upper surface of the reservoir and/or liquid on the wick into the toilet bowl. The wick is formed from a hydrophobic material in order to repel flush water so that flush water does not travel down the side of the wick and dilute the liquid in the reservoir with flush water. In another aspect, the suspension means and/or the entire device is not visible from above the rim of the toilet bowl when the dispensing device is installed on the rim.

Abstract: A device for dispensing liquids from under the rim of a toilet by way of the toilet flush water is disclosed. The device includes a first arcuate bottle containing a first liquid and a second arcuate bottle containing a second liquid. The dispensing device has an arcuate base for holding the bottles. A wicking device supported by the base conveys liquid from the bottles to dispensing positions contacted with flush water. A hook is provided for suspending the base from a toilet rim. The majority of the upper surfaces of the bottles are not visible from above the rim of the toilet bowl when the dispensing device is installed on the rim, and the wicking device does not extend outward beyond an edge of the base. The bottles are at least partially spaced apart to define a flush water flow path between the bottles and through openings in the base.

Abstract: A liquid dispensing unit for a toilet bowl comprises a first container containing a first, liquid formulation, a second container containing a second formulation, which may be a solid tablet. The liquid from container flows onto a delivery surface from where it is washed into the toilet bowl by the flush water. Some flush water also washes over the second formulation to take components into solution and deliver them into the toilet bowl through aperture. The constituents of the two formulations are thus kept separate until they enter the toilet bowl. The second formulation may also be a liquid.

Abstract: Methods and apparatus for dispensing a material such as a fragrance, a disinfectant, a coloring agent, or a cleaner into a toilet bowl are disclosed. In accordance with certain preferred embodiments of the present invention, a rim holder and material container are provided. The rim holder includes a vessel section that collects flush water after initiation of a flush cycle. After the volume within the vessel section reaches a predetermined level, the material is mixed with the water and permitted to flow into the toilet bowl from a lower aperture. The present invention permits the material to be added in the flush cycle so that the material is no carried away with the initial flow, but instead remains in the bowl after the flush cycle is complete.

Abstract: A device for distributing active substance fluids into a toilet flush liquid. A holder suspended from the edge of a toilet bowl holds at least two containers each having its own outlet to distribute its respective active substance fluid into the flush liquid. The containers are designed such that no flush liquid may enter and only active substance may exit the containers. A partial quantity of fluid containing active ingredients is distributed into the flush liquid each time the toilet is flushed.

Abstract: The invention relates to a dispensing device for dispensing active substance fluid into the flushing liquid inside a toilet bowl. The dispensing device comprises a holder (1) that can be suspended-on the edge of the toilet bowl and comprises at least two reservoirs (2, 3), which are separate from one another, are provided inside the holder (1), and which each accommodate an active substance fluid. Each reservoir (2, 3) has its own discharge opening (4) via which the respective active substance fluid can be dispensed into the flushing liquid. The inventive dispensing device is characterized in that flushing liquid is not permitted to enter the interior of the reservoirs (2, 3), and the discharge openings (4) of the reservoirs (2, 3) are arranged so that only active substance fluid is discharged and a partial quantity of the active substance fluid is dispensed from each of the reservoirs (2,3) into the flushing liquid during each flushing.

Abstract: A device with multiple toilet care action is provided with a reservoir for an active substance and suspension means for suspending the device from the rim of a toilet bowl such, that with every flushing operation, an active substance is dispensed to the flushing water in the toilet bowl. The reservoir is provided with at lest two compartments for such an active substance. In a particular embodiment, in the compartments, active liquids have been disposed. In this situation, the device is provided with a holder, a bottle with said compartments detachably connected to the holder and a liquid collecting element which, when the device is suspended from the rim of a toilet bowl, is located in the path of the flushing water in the toilet bowl for adding thereto with each flushing operation an active liquid, the contents of the compartments being in constant communication with the liquid collecting element.

Abstract: A lavatory freshening and/or cleaning system comprises a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl. The dispenser is in the form of a reservoir arranged for suspension from the rim of lavatory bowl, and the reservoir contains the liquid composition. The liquid composition comprises a combination of anionic and non-ionic surfactants having a total concentration of 22.5 wt. %, a thickening agent having a concentration of 0.40 wt. % and a perfume having a concentration of 6.00 wt. % and having a viscosity of a bout 3,500 mPa s.

Abstract: A device for dispensing toilet bowl treatment preparations, such as a cleaning liquid and a liquid containing a dissolved solid cleaner, from under the rim of a toilet bowl by way of the flow of water during a toilet flush is disclosed. The device comprises a bottle that holds a liquid and a base that is suspended from the toilet rim and holds the bottle. The base has a piercing post for opening a closure of the bottle. A wicking device that is supported by the base conveys the liquid to a dispensing position within the flow of flush water. The container holds a dissolvable solid product, and is configured to permit flush water to enter the container. The container has an exit opening that permits a mixture of water and dissolved product to be released from the container into the toilet bowl.

Abstract: A liquid rim dispenser intended for suspension from a rim of a toilet bowl adjacent a wall thereof, in the path of flushing water during a flushing operation, comprises a basin with a basin wall and a basin bottom having a bottom opening and a cup with a cup wall and a cup bottom fixed within said basin. The dispenser further comprises a container with a colored staining liquid having a discharge opening facing the bottom of the cup with a predetermined clearance therebetween. The dispenser is so configured that the discharge opening is lower than the cup wall, and the bottom opening is lower than the cup wall and is located remote from the wall of the toilet bowl, and at least when the dispenser is suspended from the bowl rim, the bottom opening is higher than a low portion of the basin bottom.

Abstract: A liquid rim dispenser intended for suspension from a rim of a toilet bowl adjacent a wall thereof, in the path of flushing water during a flushing operation, comprises a basin with a basin wall and a basin bottom having a bottom opening and a cup with a cup wall and a cup bottom fixed within said basin. The dispenser further comprises a container with a colored staining liquid having a discharge opening facing the bottom of the cup with a predetermined clearance therebetween. The dispenser is so configured that the discharge opening is lower than the cup wall, and the bottom opening is lower than the cup wall and is located remote from the wall of the toilet bowl, and at least when the dispenser is suspended from the bowl rim, the bottom opening is higher than a low portion of the basin bottom.

Abstract: A bottle used to dispense a fluid for cleaning a toilet bowl is configured to provide for refilling the bottle. Such a bottle includes a reservoir, a metering portion, and a cover, which is removable to expose an opening within the reservoir for refilling. The cover may include the metering portion, or it may be formed as a cap at an end of the reservoir opposite the metering portion.

Abstract: A liquid delivery device is particularly suited for dosing a toilet bowl with a viscous cleaning agent. Liquid from a reservoir 10 flows through a neck 52 into a cup 18 until the liquid level reaches the mouth 54 of the neck 52. The space 14 in cup 18 is open to atmosphere. Liquid is drawn from the cup 18 by a capillary 66 formed between the wall of cup 18 and an insert 60 and delivered on to the surface 72 of a textile layer 6. Flush water runs over textile layer 6 to carry the liquid into a toilet bowl.

Abstract: A device for dosing a liquid product into a flow of liquid, the device comprising a dosing chamber (6) for the liquid product, said chamber having a porous wall (26) through which the liquid product is transported when the porous wall is within the flow of liquid but which retains the liquid product within the dosing chamber when the liquid flow is removed, and a constant head construction (14,30,36) such that the hydrostatic pressure of the product in the chamber (6) is substantially independent of the head of liquid product above it.

Abstract: A lavatory freshening and/or cleaning system comprises a dispenser for dispensing liquid composition from under the rim of a lavatory bowl. The dispenser is in the form of a reservoir arranged for suspension from the rim of a lavatory bowl, and the reservoir contains the liquid composition. The liquid composition comprises a combination of anionic and non-ionic surfactants having a total concentration equal to substantially 7.6 wt. %, a thickening agent having a concentration of 0.40 wt. % and a perfume having a concentration of 6.00 wt. %.

Abstract: A device for dispensing liquids from under the rim of a toilet bowl is disclosed. The dispensing device includes a reservoir for holding a liquid, a wick, and means for suspending the reservoir from the toilet bowl rim. The wick transports the liquid upward from the reservoir to a position at or above an upper surface of the reservoir. During a toilet flush, flush water washes liquid on the upper surface of the reservoir and/or liquid on the wick into the toilet bowl. The wick is formed from a hydrophobic material in order to repel flush water so that flush water does not travel down the side of the wick and dilute the liquid in the reservoir with flush water. In another aspect, the suspension means and/or the entire device is not visible from above the rim of the toilet bowl when the dispensing device is installed on the rim.

Abstract: A liquid dispenser for dispensing a liquid from the rim of a toilet bowl such that a controlled, consistent amount of liquid is dispensed into each flush. The liquid dispenser includes a bottle for holding the liquid, a base for holding the bottle and for providing a liquid feed conduit between the bottle and a dispensing plate, and a hook for suspending the base from the rim of the toilet bowl. The dispensing plate is integral with or attached to the base, downwardly inclined at an angle of from about 10 to about 30 degrees from the horizontal, and serves to distribute liquid from the feed conduit to a dispensing position on the upper surface of the dispensing plate where the liquid is contacted by flushing water from the toilet bowl. The dispensing plate has various configurations that assist in the distribution of the liquid to the dispensing position on the upper surface of the dispensing plate.

Abstract: A device for dispensing toilet bowl treatment preparations, such as a cleaning liquid and a liquid containing a dissolved solid cleaner, from under the rim of a toilet bowl by way of the flow of water during a toilet flush is disclosed. The device comprises a bottle that holds a liquid and a base that is suspended from the toilet rim and holds the bottle. The base has a piercing post for opening a closure of the bottle. A wicking device that is supported by the base conveys the liquid to a dispensing position within the flow of flush water. The container holds a dissolvable solid product, and is configured to permit flush water to enter the container. The container has an exit opening that permits a mixture of water and dissolved product to be released from the container into the toilet bowl.

Abstract: A device for dispensing liquid toilet bowl treatment preparations from under the rim of a toilet bowl by way of the flow of water during a toilet flush is disclosed. The device comprises a bottle that holds a liquid and a base that is suspended from the toilet rim and holds the bottle. The base has a piercing post for opening a closure of the bottle. A wicking device that is supported by the base conveys the liquid from the bottle to a dispensing position within the flow of flush water. An extension plate is removably secured to the base or wicking device. The extension plate is dimensioned such that the extension plate is positioned within the flow of water during a toilet flush and such that at least a portion of the flow of water is directed onto the dispensing position of the wicking device during a toilet flush.

Abstract: A method of purifying sewage is described. The method relates to purifying sewage in sewage systems which comprise a toilet, by adding a precipitant for precipitation of phosphates and for binding organic substances. The method is characterized in that the precipitant is selected from the group consisting of iron salts and aluminum salts, such as sulphates, chlorides and nitrates and is adapted to be flushed with water in the toilet bowl when flushing. In the method, the sewage from the toilet is preferably conducted to a sludge separator through an outlet pipe which leads to the lower part of the sludge separator below its outlet.

Abstract: A dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls, including a container, which is provided at an end thereof with a tray element having at least one cavity in continuous communication with the container; the cavity is provided with at least one outlet for the controlled dispensing of a surfactant liquid.

Abstract: A dispenser is provided for dispensing cleaning and deodorizing products for toilets, particularly for hanging over the rim of a toilet bowl. The dispenser comprises a location device and a refill cartridge for storing product to be dispensed. The location device comprises an attachment member for attaching the device to a toilet bowl and an element for receiving and supporting the refill cartridge. The refill cartridge comprises a container which, prior to use, is. sealed with a removable lid, wherein removal of the lid exposes at least a portion of the product contained in the container for dispensing.

Abstract: A device to dispense active substances into rinse water, especially in toilet bowls, with a container for the active substance, wherein the container has an opening that connects with an essentially plate-shaped distributor, and with a device to hold the distributor on or close to the toilet bowl wall. The distributor consists of two essentially plate-shaped elements. There are intersecting grooves, channels or the like between the plate-shaped elements, and a first group of grooves runs outward from the distributor while the other second group of grooves only runs within the distributor.

Abstract: A dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls, including a container, which is provided at an end thereof with a tray element having at least one cavity in continuous communication with the container; the cavity is provided with at least one outlet for the controlled dispensing of a surfactant liquid.

Abstract: The invention concerns a device to dispense active substances into rinse water, especially in toilet bowls, with a container for the active substance, wherein the container has an opening that connects with an essentially plate-shaped distributor, and with a device to hold the distributor on or close to the toilet bowl wall. The distributor consists of two essentially plate-shaped elements. There are intersecting grooves, channels or the like between the plate-shaped elements, and a first group of grooves runs outward from the distributor while the other second group of grooves only runs within the distributor.

Abstract: A dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls, including a container, which is provided at an end thereof with a tray element having at least one cavity in continuous communication with the container; the cavity is provided with at least one outlet for the controlled dispensing of a surfactant liquid.

Abstract: A dispensing device comprising a body defining first and second compartments, separated by a flexible impermeable membrane. The second compartment is closed off by a semi-permeable membrane adjacent which a water container is disposed. An apertured delivery tube leads from the first compartment. The device may be used to dispense a cleaning, disinfectant and/or fragrancing gel into a toilet bowl. On flushing, water enters the container and migrates through the semi-permeable membrane, increasing the pressure in an osmotic agent or swellable hydrogel contained in the second compartment. This imposes a pressure on the flexible impermeable membrane to displace a gel from the first compartment into the toilet bowl through apertures in the tube.

Abstract: A liquid dispenser comprises a housing and a hook for suspending the housing from the rim of a lavatory bowl. A user inserts a sealed inverted reservoir bottle into the housing, which breaks the seal. A plate located in the housing conveys liquid from the bottle to a position within the stream of flushing water. The plate can be adjusted to accommodate different lavatories. To allow venting of the bottle, small vent holes are formed in the plate. The plate may have a number of raised holes or elongate slots. A vent system for the bottle is also provided.

Abstract: A liquid dispensing unit for a toilet bowl comprises a first container containing a first, liquid formulation, a second container containing a second formulation, which may be a solid tablet. The liquid from container flows onto a delivery surface from where it is washed into the toilet bowl by the flush water. Some flush water also washes over the second formulation to take components into solution and deliver them into the toilet bowl through aperture. The constituents of the two formulations are thus kept separate until they enter the toilet bowl. The second formulation may also be a liquid.