EP3775144B1 - Device for sanitary fittings bowls with vortical flow inside the device and related tablet of chemical product - Google Patents

Device for sanitary fittings bowls with vortical flow inside the device and related tablet of chemical product Download PDF

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Publication number
EP3775144B1
EP3775144B1 EP18728733.9A EP18728733A EP3775144B1 EP 3775144 B1 EP3775144 B1 EP 3775144B1 EP 18728733 A EP18728733 A EP 18728733A EP 3775144 B1 EP3775144 B1 EP 3775144B1
Authority
EP
European Patent Office
Prior art keywords
tablet
rear wall
container
shaped
sanitary fittings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18728733.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3775144A1 (en
Inventor
Cinzia Brignoli
Michele CANTISANI
Gianpaolo Baiguerra
Massimiliano Pimazzoni
Gianni Alderuccio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bolton Manitoba SpA
Original Assignee
Bolton Manitoba SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bolton Manitoba SpA filed Critical Bolton Manitoba SpA
Priority to RS20230971A priority Critical patent/RS64816B1/sr
Priority to SI201831013T priority patent/SI3775144T1/sl
Priority to HRP20231368TT priority patent/HRP20231368T1/hr
Publication of EP3775144A1 publication Critical patent/EP3775144A1/en
Application granted granted Critical
Publication of EP3775144B1 publication Critical patent/EP3775144B1/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
    • E03D9/032—Devices connected to or dispensing into the bowl
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0056—Lavatory cleansing blocks
    • 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
    • E03D2009/024—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing using a solid substance
    • 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
    • E03D9/033—Devices placed inside or dispensing into the cistern
    • E03D9/038—Passive dispensers, i.e. without moving parts

Definitions

  • the present invention relates to a device for cleaning and/or sanitizing and/or deodorizing sanitary fittings bowls, and a tablet of detergent and/or sanitizing and/or deodorizing chemical product particularly effective in the device.
  • the sanitary fittings bowls in which the present invention can be applied are of various kinds, but in particular WCs and urinals and more in particular WCs.
  • a sanitary device for WCs comprises a container, a tablet of detergent and/or sanitizing and/or deodorizing chemical product, and a hook for securing the device to an edge of a sanitary fittings bowl;
  • the tablet has the shape of a rectangular parallelepiped
  • the container has the shape of a rectangular parallelepiped, contains the tablet inside it and is totally perforated so that the water can easily lap all the surfaces of the tablet; during use, the flushing water of the WC slowly dissolves the tablet.
  • Examples of such a device are disclosed for example in WO2017/137922 A1 , US2007/214555A1 , EP1674625A1 , EP3133217A1 , EP2407601A2 or in WO90/10121A1 .
  • document US2007/214555A1 discloses a device for dispensing in 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.
  • This device comprises a supporting structure which is constituted substantially by an enclosure composed of two parts which are mutually assembled and define a compartment inside them; these two parts may have an asymmetric profile both relative to a horizontal axis and relative to a vertical axis.
  • Such compartment is connected to the outside through openings and the detergent and/or sanitizing and/or deodorant products are arranged inside the compartment itself.
  • the general object of the present invention is to try to satisfy these requirements, in particular to satisfy them better than known solutions did.
  • the idea underlying the present invention is to shape the container and the tablet so as to create vortices in the liquid flowing in the device.
  • the flushing flow of a sanitary fittings bowl can be likened to a laminar flow of liquid that runs adjacent to an inside surface of a wall of the bowl.
  • Such flow of liquid external to the device should not be confused with the flow of liquid inside the device, even if the internal flow derives from the external flow as the device has been specifically designed to intercept part of the liquid of an external flow and to make it flow inside itself.
  • Figures 1 to 10 all relate to the same embodiment of a device 1 for cleaning and/or sanitizing and/or deodorizing sanitary fittings bowls according to the present invention.
  • the device 1 is represented in a position that substantially corresponds to the position that the device assumes when it is secured to an edge of a sanitary fittings bowl.
  • Fig. 1 and Fig. 2 are views from the back of the device 1, i.e. the perforated wall (which is at the "rear") is adapted to rest on an internal surface of the sanitary fittings bowl and is therefore not visible to the user during normal use of the sanitary fittings bowl while the flat wall (which is at the "front") is adapted not to rest on an internal surface of the sanitary fittings bowl (i.e. to be about 3-4 cm away from it, approximately corresponding to the thickness of the device) and is therefore visible to the user during normal use of the sanitary fittings bowl.
  • the device according to the present invention is equipped with a tablet of chemical detergent and/or sanitizing product and/or deodorizing product in order to perform its function; the present invention is independent, in the first instance, from the composition of the tablet.
  • a tablet like the one shown in Fig. 11 there is a tablet like the one shown in Fig. 11 ; alternatively, there may be a tablet like the one shown in Fig. 12 ; alternatively again, there may a tablet that is different again, e.g. more similar to the tablets of the prior art.
  • the device according to the present invention may perform its cleaning and/or sanitizing and/or deodorizing function only if its rear wall is resting on an internal surface of a sanitary fittings bowl and if this internal surface is repeatedly subject to a flow of liquid (in other words, a WC is flushed every time the user activates the flushing device after use); in general, the liquid is water or an aqueous solution; the tablet of chemical product of the device dissolves slowly as this liquid flows.
  • the device 1 comprises:
  • the vortices promote both the creation of foam and the stopping of the liquid in the pocket 15 and therefore increase the contact time of the liquid with the external surfaces of the tablet.
  • the upper opening 13 has an area corresponding to 25-75 % preferably 30-50 % of the area of the front wall.
  • the front wall 11 has an asymmetric front profile both relative to a horizontal axis H as well as relative to a vertical axis V, in particular in the shape of a drop; see for example Fig. 5 .
  • the lower openings 14 are situated both at a peripheral zone and at a central zone of the rear wall 12, as can be seen for example in Fig. 5 ; alternatively, the lower openings could be situated only at a peripheral zone of the rear wall or only at a central zone of the rear wall. It is to be noted that the lower openings are mainly designed for the outlet of liquid, but it is not to be excluded that, under certain operating conditions, there may be a flow of liquid entering into the pocket through one or more of these.
  • the shape of the lower openings may be quite varied; it is advantageous for the shape and/or arrangement and/or size of these openings to be irregular.
  • the lower openings may have a wavy shape.
  • the lower openings 14 have a circular shape and, in particular, they have different diameters from each other; see, for example Fig. 5 .
  • the container 10 and the tablet 20 are shaped and positioned in such a way as to create vortices above (zone ZA) and/or below (zone ZB) and/or on a first side (zone ZC) and/or on a second side (zone ZD) with respect to the tablet 20; see for example Fig. 4 .
  • the container 10 and the tablet 20 are shaped and positioned in such a way as to create vortices on the front (zone ZE) and/or on the back (zone ZF) of the tablet (20); see for example Fig. 9 .
  • the front wall 11 has a protrusion 16 adapted to cover the tablet 20 from the top at least partly; see for example Fig. 6 , Fig. 8 , Fig. 9 and Fig. 10 .
  • the container 10 is a casing with a substantially constant thickness, for example 1.0-3.5 mm in particular about 2.25 mm; in this latter case, the thickness may vary according to the points for example from 2.0 mm to 2.5 mm.
  • the securing of the device to the sanitary fittings bowl is important so that the device performs its function well; in fact, following the securing, the container of the device must be positioned so that itself and the tablet are hit well by the liquid.
  • the securing is desirable for the securing to be suitable regardless of the shape and size of the sanitary fittings bowl (in particular of the edge of the bowl).
  • the hook 30 comprises a shaped strip comprised of three elongated sections 31, 32, 33 joined together by two elbows 34, 35 and to the container 10 by a further elbow 36.
  • the sections 31, 32, 33 are joined together by small bars; when the device 10 is to be used, the small bars are broken at the sections 31, 32, 33, the strip is opened bending the elbows 34, 35 and clings onto an edge of a WC, for example, so that the container 10 rests on an internal surface of the sanitary fittings bowl; the elbow 36 also contributes to determining a good support of the container 10.
  • the first section 31 of the shaped strip has a length of 30-45 mm; the second section 32 of the shaped strip has a length of 50-55 mm; the third section 33 of the shaped strip has a length of 65-75 mm.
  • the elbows 34, 35, 36 have a radius of 7-10 mm.
  • the shaped strip in particular its components 31, 32, 33, 34, 35, 36, has a substantially constant width, e.g. of 4-10 mm in particular of about 8 mm, and has a substantially constant section e.g. of 4-35 mm 2 in particular of about 18 mm 2 and is made of polypropylene; the material of the strip and the section of the strip determine its flexibility and its elasticity, and therefore contribute to the securing.
  • One of the elements that influences the support of the container 10 of the device on the internal surface of the sanitary fittings bowl is the distance between the starting point of the elbow 36 (at the join with the section 31) and the point of maximum protrusion of the rear wall 12 (distance that can be appreciated in particular considering Fig. 8 and Fig. 9 and Fig. 10 ); in fact, this distance determines the lever effect of the container 10 on the elbow 36 due to the effect of an internal surface of a wall of the sanitary fittings bowl to which the device 1 is applied; in the example of the figures such distance is 30-35 mm.
  • the front wall (11 in the example) and/or, particularly the rear wall (12 in the example) is curved;
  • the front wall is curved: it has a vertical profile that can be likened to a circumference with a radius of curvature of 35 mm (more generally of 30-500 mm) and a horizontal profile that can be likened to a straight line (more generally that can be likened to a circumference with a radius of curvature greater than 100 mm);
  • the rear wall is curved: it has a vertical profile that can be likened to a circumference with a radius of curvature of 45 mm (more generally of 30-200 mm) and a horizontal profile that can be likened to a circumference with a radius of curvature that varies from 25 at a first end to 55 mm at a second end (more generally of 20-100 mm).
  • the vertical and horizontal profiles of the front and rear walls have a radius of curvature that varies from point to point; in particular, the horizontal profile of the front wall starts with an arc of circumference having a radius of 4 mm, then there is a straight stretch and it finishes with an arc of circumference having a radius of 1 mm; the horizontal profile of the rear wall has a radius of curvature that increases gradually from 25 mm to 55 mm.
  • the front wall 11 and the rear wall 12 are hinged so as to enable the opening of the pocket 15, in particular they are hinged in a lower zone of the device 1; see Fig. 5 .
  • the tablets 120 and 220 of Fig. 11 and Fig. 12 are particularly adapted to the use of the device of Fig. 1 but not only; in particular, their inherent shape, their shape in relation to the shape of the container where they are situated and the conformation of their surfaces promote the formation of vortices in liquid that laps their external surfaces.
  • the tablets 120 and 220 can be made of chemical detergent and/or sanitizing product and/or deodorizing product for sanitary fittings bowls.
  • the tablet 120 has an upper surface 121, a first side surface 122, a lower surface 123, a second side surface 124, a back surface 125 (the term “back” is used here in relation to the position of the tablet inserted in a pocket of the device) and a front surface 126 (the term “front” is used here in relation to the position of the tablet inserted in a pocket of the device).
  • the tablet 220 has an upper surface 221, a first side surface 222, a lower surface 223, a second side surface 224, a back surface 225 (the term “back” is used here in relation to the position of the tablet inserted in a pocket of the device) and a front surface 226 (the term “front” is used here in relation to the position of the tablet inserted in a pocket of the device).
  • the tablets according to the present invention may have one or more of their external surfaces being wavy; in this way, the formation of vortices in liquid that laps these surfaces is promoted, and the area of the surface that comes into contact with the liquid that laps these surfaces is increased.
  • Such waviness may be comprised of a plurality of flanked cylindrical surfaces; e.g. the radius of the cylindrical surfaces may be 2-6 mm.
  • the surfaces 121, 123 and 126 are wavy and are wavy across their whole area.
  • the surfaces 221, 223, 225, 226 are wavy; the surfaces 221, 223, 226 are wavy across their whole area, whereas the surface 225 is wavy across part of its area.
  • the tablets 120 and 220 have an asymmetric front profile both relative to a horizontal axis H and relative to a vertical axis V, in particular in the form of a parallelogram.
  • the tablet 120 has a rear wall 127 that has a recess 128, in particular a flat recess; the liquid can flow in the recess (i.e. precisely between the surface of the recess and the internal surface of the front wall of the device - see Fig. 9 ) and this promotes the vortices and increases the area of contact.
  • the area of the recess preferably corresponds to 30-70 %, more preferably to 40-60 % of the area of the rear wall 127.
  • the recess 128 is delimited by two longitudinal ribbons 129.
  • the tablet 220 has a rear wall 227 shaped so as to be adjacent to the front wall of a container of a device for sanitary fittings bowls.
  • Fig. 12 and Fig. 9 it can be seen that the arched shape of the wall 227 corresponds to the arched shape of the wall 11.
  • Comparative tests have been performed between devices according to the present invention and devices already present on the market; the devices according to the present invention provide greater foaminess in the bowl and a longer lifetime than the comparative devices with a similar chemical composition, despite the weight of the tablet (in particular 35g) being 10-20% lighter than the average on the market of the same product category.
  • the container and the hook of the device according to the present invention are preferably made of polypropylene and are made in a single piece preferably by injection.
  • a label that is used to show the user, for example: the manufacturer's brand and/or product information and/or decorative elements.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Epidemiology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Closures For Containers (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP18728733.9A 2018-03-27 2018-04-16 Device for sanitary fittings bowls with vortical flow inside the device and related tablet of chemical product Active EP3775144B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RS20230971A RS64816B1 (sr) 2018-03-27 2018-04-16 Uređaj za šolje sanitarnih armatura sa vrtložnim protokom unutar uređaja i pripadajućom tabletom hemijskog proizvoda
SI201831013T SI3775144T1 (sl) 2018-03-27 2018-04-16 Naprava za sanitarne armature z vortikalnim tokom znotraj naprave in povezano tableto kemičnega proizvoda
HRP20231368TT HRP20231368T1 (hr) 2018-03-27 2018-04-16 Uređaj za posude sanitarne armature s vrtložnim strujanjem unutar uređaja i pripadajuća tableta kemijskog proizvoda

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000004015A IT201800004015A1 (it) 2018-03-27 2018-03-27 Dispositivo per vasi sanitari con flusso vorticoso interno al dispositivo e relativa tavoletta di prodotto chimico
PCT/IB2018/052620 WO2019186247A1 (en) 2018-03-27 2018-04-16 Device for sanitary fittings bowls with vortical flow inside the device and related tablet of chemical product

Publications (2)

Publication Number Publication Date
EP3775144A1 EP3775144A1 (en) 2021-02-17
EP3775144B1 true EP3775144B1 (en) 2023-08-02

Family

ID=62492682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18728733.9A Active EP3775144B1 (en) 2018-03-27 2018-04-16 Device for sanitary fittings bowls with vortical flow inside the device and related tablet of chemical product

Country Status (10)

Country Link
EP (1) EP3775144B1 (sl)
ES (1) ES2959763T3 (sl)
HR (1) HRP20231368T1 (sl)
HU (1) HUE065011T2 (sl)
IT (1) IT201800004015A1 (sl)
PL (1) PL3775144T3 (sl)
RS (1) RS64816B1 (sl)
SA (1) SA520420194B1 (sl)
SI (1) SI3775144T1 (sl)
WO (1) WO2019186247A1 (sl)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643665B1 (fr) * 1989-02-28 1991-06-21 Oreal Procede pour la mise en place d'un produit solide hydrosoluble dans une cuvette de toilettes et dispositif pour la mise en oeuvre de ce procede
ATE374290T1 (de) * 2004-12-23 2007-10-15 Deoflor Spa Vorrichtung zur abgabe von als tablette oder stab abgepackten wirkstoffen in toilettenschüsseln oder ähnliche sanitäre einrichtungen
ES2328522T3 (es) * 2006-03-14 2009-11-13 Deoflor S.P.A. Dispositivo para dispensar en la descarga de agua y/o para mezclar con la descarga de agua productos detergentes y/o desinfectantes y/o desodorantes, en inodoros o dispositivos hidraulicos y sanitarios en general.
ITMI20080325U1 (it) * 2008-10-07 2010-04-08 Bolton Manitoba S P A Dispositivo igienico migliorato per wc
ITMI20100237U1 (it) * 2010-07-12 2012-01-13 Bolton Manitoba S P A Dispositivo igienico profumante per apparecchi sanitari
DE102012001541A1 (de) * 2012-01-27 2013-08-01 Budich International Gmbh Wirkstoffabgabevorrichtung und Verfahren zur Herstellung einer Wirkstoffabgabevorrichtung
ITMI20130195A1 (it) * 2013-02-12 2014-08-13 Bolton Manitoba S P A Dispositivo igienico perfezionato per apparecchi sanitari
DE102015113834B4 (de) * 2015-08-20 2017-08-24 Budich International Gmbh Haltevorrichtung zu Halterung von Wirkstoffformkörpern in einer Toilettenschüssel mit einer Aufhängevorrichtung sowie WC-Wirkstoffabgabevorrichtung mit dieser Haltevorrichtung
FR3047741B1 (fr) * 2016-02-11 2019-06-07 S.A. Gerlon Procede de fabrication de tablettes uni-dose
ITUB20160666A1 (it) * 2016-02-11 2017-08-11 Deco Ind S Coop P A Dispositivo di supporto per apparato igienico e apparato igienico impiegante lo stesso

Also Published As

Publication number Publication date
RS64816B1 (sr) 2023-12-29
WO2019186247A1 (en) 2019-10-03
ES2959763T3 (es) 2024-02-28
IT201800004015A1 (it) 2019-09-27
HRP20231368T1 (hr) 2024-02-16
SA520420194B1 (ar) 2024-07-25
EP3775144A1 (en) 2021-02-17
SI3775144T1 (sl) 2023-12-29
PL3775144T3 (pl) 2024-01-29
HUE065011T2 (hu) 2024-04-28

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