Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
  • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
  • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
  • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
  • E03D9/032—Devices connected to or dispensing into the bowl

Definitions

• Dispensing device for dispensing an active fluid into the flushing liquid in a toilet bowl
• the invention relates to a dispensing device for dispensing an active substance fluid into the flushing liquid in a toilet bowl with the features of the preamble of claim 1.
• active substance fluid means flowable, i.e. liquid to viscous, possibly gel-like or also pasty or granular or otherwise pourable active substance preparations with cleaning, disinfecting, deodorizing, bleaching and others. Effect (described in particular in DE 199 30 362 A1, as well as in EP 0 775 741 A1 and EP 0 960 984 A2).
• Dispensing devices of the type in question are known under the keyword “toilet basket” in various designs.
• Dispensing devices for a single active substance fluid are initially known.
• the active substance fluid is located there in a storage container which is fixedly arranged or exchangeably inserted in a holder and has an outlet opening arranged on the bottom when the storage container is attached to the holder.
• the active substance fluid is added via an actuating element which can be impregnated therewith and can be acted upon with the rinsing liquid (for example made of an open-cell foam) (EP 785 315 A1).
• the outlet opening of the storage container is largely closed by pushing out a closure part of the storage container by a sealing element arranged in a fixed manner on the holder, so that only one flow path with a small cross-section is available for the active substance fluid to seep out.
• the device works using the capillary action of the open-cell foam.
• a delivery device similar to the delivery device explained above with a rib plate serving to distribute the active substance fluid in the rinsing liquid is also known (DE 199 12 217 A1; WO 99/66140 A). At this
• the storage container has a ring-shaped edge closed outlet opening through which the active fluid can be dispensed into the rinsing liquid.
• a plate-like distribution element is provided on the holder, which on the one hand has an application area over which washing liquid flows during the rinsing process and on the other hand has a connection area in which a piercing tip is arranged.
• the interior of the storage container is continuously connected to the distribution element via the outlet opening with the interposition of the pusher tip, which prevents free flowing active substance fluid, with lateral ribs.
• the edge of the outlet opening is arranged at a short distance from the surface of the distribution element.
• a spacer arrangement which has ribs running parallel to one another, which form depressions between them. These depressions extend from the connection area into the application area to the opposite edge and serve in the application area to distribute the active substance fluid into the rinsing liquid.
• the teaching is based on the problem of optimizing the known dispensing device for dispensing active substance fluids with regard to the control option for dispensing the active substance fluid.
• the ventilation channel is open at the edge at the inner end.
• the connection area located under the outlet opening of the storage container thus opens laterally on the one hand in the direction of the loading area and on the other hand to the ventilation channel.
• This realizes the classic, dynamic interaction of viscous active fluid and air for the purpose of active fluid / air exchange.
• this typical air exchange which has been known for decades, can be optimized via a ventilation channel at the top of the distribution element by a lateral closure of the ventilation channel at the inner end.
• the air supply is diverted upwards through the ventilation duct in the crucial area near the outlet opening. This corresponds to the direction of ascent of the air into the storage container.
• the lowest possible resistance is opposed to the air entry into the storage container.
• active substance fluid itself serves to seal the ventilation duct, but allows air to enter via the ventilation duct.
• the active substance fluid is dispensed even in the opposite direction to the area of action.
• the closure of the lateral ventilation duct at the inner end after the outlet opening also means that the rinsing liquid entering the connection area, which dilutes the active substance fluid and discharges it as intended from the connection area to the outside, does not, at least not as much as previously, into the ventilation duct entry.
• the ventilation duct remains reserved for ventilation.
• FIG. 2 shows the distribution element of the dispensing device from FIG. 1 in a plan view, drawn in the position of the section of FIG. 1,
• Fig. 3 shows the distribution element of the dispenser of Fig. 1 in one
• the dispensing device shown in the drawing serves to dispense an active substance fluid into the flushing liquid, which is used to dispense in a toilet bowl or the like. is rinsed.
• active substance fluid in the sense of the teaching has been defined in the general part of the description.
• the dispensing device shown initially has a holder 1 which can be suspended from the edge of the toilet bowl and a storage container 2 provided in the holder 1 for an active substance fluid.
• a storage container 2 provided in the holder 1 for an active substance fluid.
• the active substance fluids can be identical, different, compatible or incompatible active substance fluids.
• Active substance fluids suitable according to the invention are, for example, fragrance phases, in particular perfumed fragrance phases.
• fragrance phases usually contain at least one fragrance, preferably perfume oil, at least one surfactant or an emulsifier and water and, if appropriate, further ingredients such as preservatives, thickeners, complexing agents, dyes, further surfactants or emulsifiers, stabilizers, limescale dissolver etc.
• Bleaching phases in particular chlorine-containing bleaching phases, preferably bleaching phases based on hypochlorite, are likewise suitable according to the invention as active ingredient fluids, the bleaching phases usually being able to contain, besides the actual bleaching agent and water, possibly further ingredients such as thickeners, surfactants or emulsifiers, neutralizing agents, dyes, fragrances, etc.
• lime-dissolving active substance phases preferably acidic lime-dissolving active substance phases.
• Such lime-dissolving active ingredient phases can contain, in addition to the actual lime-dissolving agent - preferably an organic or inorganic acid - and water, if appropriate, further ingredients such as surfactants or emulsifiers, thickeners, fragrances, preservatives, etc.
• active substance fluids can also contain other conventional ingredients in addition to the surfactants.
• active substance fluids with an antibacterial and / or fungicidal and / or antiviral active substance phase the active substance phase in addition to the antibacterial and / or fungicidal and / or antiviral active substance and water, if appropriate, further ingredients, such as, for example, surfactants or emulsifiers , Thickeners, fragrances, preservatives, etc.
• the active substance fluids are enzyme-containing active substance phases.
• enzyme (s) and water such enzyme-containing active substance phases can optionally contain further ingredients such as surfactants or emulsifiers, thickeners, fragrances, preservatives, etc.
• the active substance fluids used according to the invention are absorbent, in particular odor-absorbing active substance phases.
• these can optionally contain further ingredients such as surfactants or emulsifiers, thickeners, fragrances, preservatives, etc.
• the dispensing device offers the possibility of using 2 combinations of different active substance fluids in the storage containers, wherein according to a preferred embodiment one of the storage containers 2 contains a fragrance phase, in particular as previously defined.
• perfumed fragrance phases combined with chlorine bleach (together not stable in storage), perfumed fragrance phase with highly concentrated surfactant phase (foam booster), fragrance phase with lime-dissolving, acidic active ingredient phase, fragrance phase with antibacterial active ingredient phase, different acid systems, fragrance phase combined with enzyme-containing active substance phase, perfumed acid phase combined with water-coloring phase, fragrance phase with odor-absorbing phase, perfumed acid phase with active oxygen, perfumed acid phase with active substance phase, thickened with polyacrylate etc.
• viscous to gel-like active fluids with viscosities in the range of a few thousand mPas, in particular from 2000 to 5000 mPas, preferably 2500 to 3500 mPas (measured with Rotovisko LVT, spindle 2, 6 rpm, 20 ° C).
• the storage container 2 has an edge 3 on the outlet side and an outlet opening 4 through which the active substance fluid can be dispensed into the rinsing liquid.
• the illustrated and in this respect preferred, but not mandatory embodiment further shows that here the outlet opening 4 is arranged in a cover 5 forming the edge 3.
• the outlet opening 4 is formed by an outlet edge 3 ′ offset inwards relative to the edge 3 on the cover 5.
• an exchangeable storage container 2 is provided, the outlet opening 4 of which is initially firmly closed with a stopper 5 '.
• the plug 5 ′ By inserting the storage container 2 into the holder 1, the plug 5 ′, as can be seen in FIG. 1, is pushed upwards out of the outlet opening 4 into the interior of the storage container 2, so that the outlet opening 4 is then opened.
• the use of a cover 5 with the stopper 5 'which is initially locked therein by a predetermined breaking point is expedient in terms of production. You want to be able to fill the storage container 2 quickly with a large opening, but then the outlet opening 4 should be arranged and designed according to completely different criteria.
• the plug 5 ' is used as a lost element in order to allow the storage container 2 to be simply plugged on with the outlet opening 4 pointing downward.
• a plate-like distribution element 6 is provided on the holder 1, which on the one hand has an application area 7 over which washing liquid flows, and on the other hand a connection area 8 in which a connection point 9 for the outlet opening 4 of the storage container 2 is arranged. This can be understood well in Fig. 2 together with Fig. 1.
• the interior of the storage container 2 is permanently connected to the distribution element 6 via the outlet opening 4, specifically in the illustrated embodiment with the interposition of an arrangement preventing a free flow of the active substance fluid, in the illustrated and preferred embodiment shown at the connection point 9, having an impact tip.
• the edge 3 - with the storage container 2 attached to the holder 1 - is arranged at a short distance from the surface of the distribution element 6.
• the arrangement explained above protects the storage container 2 against the entry of rinsing liquid into its interior and the outlet opening 4 of the storage container 2 is arranged in such a way that only active substance fluid escapes and air to replace the active substance fluid in the storage container 2 into the interior of the storage container 2 occurs. With each rinsing process, a portion of the active substance fluid is dispensed from the storage container 2 into the rinsing liquid.
• the dispensing device shown in Fig. 1 shows, moreover, that in this embodiment, the holder 1 a holder 2 receiving the carrier
• the front wall 11 of the holder 1 is used to shield the storage container 2 against unwanted water entry from this side.
• the negative consequences of an unwanted entry of water into the storage container 2 are known, explained further above, and are also the subject of extensive analyzes in the prior art.
• the embodiment of a dispensing device shown in the drawing now shows that on the top of the distribution element 6 on the side of the connection point 9 facing away from the application area 7 there is a ventilation channel 12 which extends from the edge of the distribution element 6 under the edge 3 and is open at the top.
• the ventilation duct 12 is used for the targeted supply of air from the outside into the interior of the storage container 2 already explained above, in order to optimize the flow characteristics of the active substance fluid.
• the exemplary embodiment shown is now distinguished, as is particularly clear from the detail in FIG. 1, in that the ventilation channel 12 is closed at the inner end at the edge.
• the ventilation channel 12 is directed openly on the one hand in the direction away from the outlet opening 4 and on the other hand upwards. Due to the position of the edge 3 of the reservoir 2 relative to the distribution element 6 in the connection area 8, this means that the Ventilation channel 12 forms an upward air outlet opening with respect to the outlet opening 4. This has the advantageous effects explained in the general part of the description with regard to the exchange of air / active fluid.
• the ventilation duct 12 in the distribution element 6 can be designed in different ways and this ventilation duct 12 can also be designed differently in shape. In cross-section, a V-shape, a U-shape or a shape of a multi-lane channel can prove to be expedient.
• the ventilation duct 12 can be embedded in the material of the distribution element 6 in the connection area 8. This already has the previously mentioned advantage of redirecting the air upwards. In addition, a direct lateral inflow of rinsing liquid is prevented.
• the illustrated and preferred embodiment is further characterized in that the ventilation channel 12 is closed at the inner end by means of a channel edge 13 projecting upwards from the top of the distribution element 6. 1 shows in section the channel edge 13 which closes the ventilation channel 12 on the inside. The channel edge 13 protruding from the surface of the distribution element 6 particularly effectively prevents the mixture of rinsing liquid and active agent fluid from entering the ventilation channel 12.
• the ventilation channel 12 is simply smooth on the bottom.
• the closed end of the ventilation duct 12 is V-shaped here with a certain rounding, or tapering in a U-shape. This creates a wide ventilation duct 12 which allows a slight inflow of air from the outside, but nevertheless realizes a defined, small air passage cross section in the connection area 8.
• This air passage cross-section is expediently matched to the viscosity and the other properties of the active substance fluid located or to be accommodated in the storage container 2 in order to guarantee the desired mode of operation.
• 3 shows the position and width of the ventilation ducts 12 in perspective.
• the arrangement that prevents the free flow of the active substance fluid has a spacer arrangement with spacers 14 that protrude from the top of the distribution element 6. protrude slightly upwards and on which the edge 3 of the storage container 2 stands.
• the previously explained ventilation duct 12 now interrupts this spacer arrangement or is arranged between two spacers 14 of this spacer arrangement.
• the spacers 14 and the channel edge 13 of the ventilation channel 12 project upwards from the top of the distribution element 6 by the same amount. Then the edge 3 of the storage container 2 lies both on the spacers 14 and on the channel edge 13. Only the innermost upwardly open end of the ventilation duct 12 then defines the air access cross section in a defined manner.
• dimensioning when using active agent fluids with medium viscosity, dimensioning has been found to be expedient, in which it is provided that the spacers 14 protrude upward from the top of the distribution element 6 by approximately 0.7 mm.
• the illustrated and preferred embodiment shows at the same time that the channel edge 13 protrudes from the top of the distribution element 6 " by about 0.7 mm upwards.
• the channel edge 13 In further experiments with different viscosities, it has also proven to be expedient in an alternative to allow the channel edge 13 to protrude upward from the top of the distribution element 6 by a greater amount than the spacers 14, for example by 0.9 mm for spacers 14 of 0.7 mm.
• the channel edge 13 thus projects into the inner region of the cover 5 within the edge 3 and represents an even more effective barrier for the mixture of active substance fluid and rinsing liquid within the spacer arrangement.
• connection area 8 on the side of the connection point 9 facing the one longitudinal edge, which comprises the spacers 14 on this side a protective edge 15 slightly protruding upward from the top of the distribution element 6 is formed.
• this protective edge 15 protrudes somewhat further upward than the channel edge 13 and the spacers 14, namely by 0.9 mm here.
• the inner opening of the ventilation duct 12 is important.
• Another parameter for the ventilation duct 12 is preferably a maximum width of 1.0 to 5.0 mm, preferably of about 2.5 mm. This results in the good accessibility for air explained above.
• the ventilation channel 12 has a width on the inner periphery of the rim 3 from about 0.5 to 2.5 mm, preferably from about 1.0 to 1.5 mm.
• the preferred dimensions given above result in a free cross section at the end of the ventilation duct 12 for the passage of air from 0.2 to 2.2 mm 2 , preferably from 0.5 to 1.0 mm 2 .
• connection area 8 there is a strip of smooth surface of the connection area 8 between the outer edge of the connection point 9 and the application area 7.
• the dispensing device described is particularly suitable for dispensing a plurality of, in particular two, active substance fluids from a plurality, in particular two, storage containers 2 onto a distribution element 6.
• 2 shows a distribution element 6 for two storage containers 2, which are themselves not shown.
• at least two storage containers 2 are provided in the holder 1, each for one active substance fluid.
• Both storage containers 2 are protected in a corresponding manner against the ingress of rinsing liquid into their interior and both outlet openings 4 of the storage containers 2 are arranged such that only active fluid emerges and, if possible, only ventilation air re-enters.
• the outlet openings 4 of both storage containers 2 are shown in FIG. 1 arranged to be removed use position on the bottom.
• the storage containers 2 are individually replaceable in the holder.
• FIGS. 1 and 2 a summary of FIGS. 1 and 2 reveals that the distribution element 6 in the application area 7, starting from the edge of the connection area 8 and extending approximately to the opposite longitudinal edge, has depressions 16 which distribute the active ingredient fluid or the active ingredient fluids into the rinsing liquid serve.
• the depressions 16 extend to just below the edge of the front wall 11.
• FIG. 1 shows the position of the front wall 11 of the holder 1 in relation to the depressions 16 in the loading area 7 of the distribution element 6.
• Fig. 1 also makes it clear that in the embodiment shown here, the carrier 10 is not an integral part of the holder 1, but is a separate insert that is inserted into the holder 1.
• the front wall 11 is formed here on the holder 1. If the carrier 10 is an integral part of the holder 1, the front wall 11 is formed on the holder 1.
• the exemplary embodiment shown can be seen in FIG. 1 that the top of the distribution element 6 in the connection area 8 runs at the lowest point of the depressions 16 in the application area 7.
• the active substance fluid can thus enter the recesses 16 on the end face.
• Fig. 2 finally shows that, as already explained, the top of the distribution element 6 in the connection area 8 for the active substance fluid is smooth, but can also have individual increases for fastening, connection and sealing reasons.

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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)
• Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
• Devices For Dispensing Beverages (AREA)
• Washing And Drying Of Tableware (AREA)
• Detergent Compositions (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Publications (2)

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• 2002
  • 2002-02-07 DE DE10204928A patent/DE10204928B4/de not_active Expired - Fee Related
• 2003
  • 2003-01-29 WO PCT/EP2003/000863 patent/WO2003066979A1/fr not_active Application Discontinuation
  • 2003-01-29 EP EP03704486A patent/EP1472419B1/fr not_active Expired - Lifetime
  • 2003-01-29 AT AT03704486T patent/ATE304087T1/de active
  • 2003-01-29 AU AU2003206793A patent/AU2003206793A1/en not_active Abandoned
  • 2003-01-29 DE DE50301144T patent/DE50301144D1/de not_active Expired - Lifetime
  • 2003-01-29 CN CNA038035391A patent/CN1630761A/zh active Pending
  • 2003-01-29 ES ES03704486T patent/ES2248728T3/es not_active Expired - Lifetime
• 2004
  • 2004-08-03 US US10/910,678 patent/US6934973B2/en not_active Expired - Lifetime

Non-Patent Citations (1)

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